7fc872b797
* [ios, macos] Add -[MGLMapViewDelegate mapView:canSelectAnnotation:] method. * [ios, macos] Update changelogs. * [ios, macos] Add mapView:canSelect: integration tests. * [ios, macos] Change semantics to shape annotations. * [ios, macos] Update changelogs. * [ios, macos] Update shapeAnnotationIsEnabled documentation, improve code readability.
6474 lines
250 KiB
Plaintext
6474 lines
250 KiB
Plaintext
#import "MGLMapView_Private.h"
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#include <mbgl/util/logging.hpp>
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#import <GLKit/GLKit.h>
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#import <OpenGLES/EAGL.h>
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#include <mbgl/map/map.hpp>
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#include <mbgl/annotation/annotation.hpp>
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#include <mbgl/map/camera.hpp>
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#include <mbgl/map/mode.hpp>
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#include <mbgl/util/platform.hpp>
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#include <mbgl/storage/reachability.h>
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#include <mbgl/util/default_thread_pool.hpp>
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#include <mbgl/storage/default_file_source.hpp>
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#include <mbgl/storage/network_status.hpp>
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#include <mbgl/style/style.hpp>
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#include <mbgl/style/image.hpp>
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#include <mbgl/style/transition_options.hpp>
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#include <mbgl/style/layers/custom_layer.hpp>
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#include <mbgl/renderer/mode.hpp>
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#include <mbgl/renderer/renderer.hpp>
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#include <mbgl/renderer/renderer_backend.hpp>
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#include <mbgl/renderer/backend_scope.hpp>
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#include <mbgl/math/wrap.hpp>
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#include <mbgl/util/exception.hpp>
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#include <mbgl/util/geo.hpp>
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#include <mbgl/util/constants.hpp>
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#include <mbgl/util/image.hpp>
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#include <mbgl/util/projection.hpp>
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#include <mbgl/util/default_styles.hpp>
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#include <mbgl/util/chrono.hpp>
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#include <mbgl/util/run_loop.hpp>
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#include <mbgl/util/shared_thread_pool.hpp>
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#include <mbgl/util/string.hpp>
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#include <mbgl/util/projection.hpp>
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#import "Mapbox.h"
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#import "MGLShape_Private.h"
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#import "MGLFeature_Private.h"
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#import "MGLGeometry_Private.h"
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#import "MGLMultiPoint_Private.h"
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#import "MGLOfflineStorage_Private.h"
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#import "MGLVectorTileSource_Private.h"
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#import "MGLFoundation_Private.h"
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#import "MGLRendererFrontend.h"
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#import "MGLRendererConfiguration.h"
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#import "NSBundle+MGLAdditions.h"
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#import "NSDate+MGLAdditions.h"
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#import "NSException+MGLAdditions.h"
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#import "NSPredicate+MGLPrivateAdditions.h"
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#import "NSProcessInfo+MGLAdditions.h"
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#import "NSString+MGLAdditions.h"
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#import "NSURL+MGLAdditions.h"
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#import "UIDevice+MGLAdditions.h"
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#import "UIImage+MGLAdditions.h"
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#import "UIViewController+MGLAdditions.h"
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#import "MGLFaux3DUserLocationAnnotationView.h"
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#import "MGLUserLocationAnnotationView.h"
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#import "MGLUserLocationAnnotationView_Private.h"
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#import "MGLUserLocation_Private.h"
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#import "MGLAnnotationImage_Private.h"
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#import "MGLAnnotationView_Private.h"
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#import "MGLScaleBar.h"
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#import "MGLStyle_Private.h"
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#import "MGLStyleLayer_Private.h"
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#import "MGLMapboxEvents.h"
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#import "MMEConstants.h"
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#import "MGLSDKUpdateChecker.h"
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#import "MGLCompactCalloutView.h"
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#import "MGLAnnotationContainerView.h"
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#import "MGLAnnotationContainerView_Private.h"
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#import "MGLAttributionInfo_Private.h"
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#import "MGLMapAccessibilityElement.h"
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#import "MGLLocationManager_Private.h"
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#include <algorithm>
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#include <cstdlib>
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#include <map>
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#include <unordered_set>
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class MBGLView;
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class MGLAnnotationContext;
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const MGLMapViewDecelerationRate MGLMapViewDecelerationRateNormal = UIScrollViewDecelerationRateNormal;
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const MGLMapViewDecelerationRate MGLMapViewDecelerationRateFast = UIScrollViewDecelerationRateFast;
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const MGLMapViewDecelerationRate MGLMapViewDecelerationRateImmediate = 0.0;
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const MGLMapViewPreferredFramesPerSecond MGLMapViewPreferredFramesPerSecondDefault = -1;
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const MGLMapViewPreferredFramesPerSecond MGLMapViewPreferredFramesPerSecondLowPower = 30;
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const MGLMapViewPreferredFramesPerSecond MGLMapViewPreferredFramesPerSecondMaximum = 60;
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const MGLExceptionName MGLMissingLocationServicesUsageDescriptionException = @"MGLMissingLocationServicesUsageDescriptionException";
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const MGLExceptionName MGLUserLocationAnnotationTypeException = @"MGLUserLocationAnnotationTypeException";
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const MGLExceptionName MGLResourceNotFoundException = @"MGLResourceNotFoundException";
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/// Indicates the manner in which the map view is tracking the user location.
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typedef NS_ENUM(NSUInteger, MGLUserTrackingState) {
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/// The map view is not yet tracking the user location.
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MGLUserTrackingStatePossible = 0,
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/// The map view has begun to move to the first reported user location.
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MGLUserTrackingStateBegan,
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/// The map view begins a significant transition.
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MGLUserTrackingStateBeginSignificantTransition,
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/// The map view has finished moving to the first reported user location.
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MGLUserTrackingStateChanged,
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};
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const NSTimeInterval MGLAnimationDuration = 0.3;
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/// Duration of an animation due to a user location update, typically chosen to
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/// match a typical interval between user location updates.
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const NSTimeInterval MGLUserLocationAnimationDuration = 1.0;
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/// Distance between the map view’s edge and that of the user location
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/// annotation view.
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const UIEdgeInsets MGLUserLocationAnnotationViewInset = UIEdgeInsetsMake(50, 0, 50, 0);
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const CGSize MGLAnnotationUpdateViewportOutset = {150, 150};
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const CGFloat MGLMinimumZoom = 3;
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/// Minimum initial zoom level when entering user tracking mode.
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const double MGLMinimumZoomLevelForUserTracking = 10.5;
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/// Initial zoom level when entering user tracking mode from a low zoom level.
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const double MGLDefaultZoomLevelForUserTracking = 14.0;
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/// Tolerance for snapping to true north, measured in degrees in either direction.
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const CLLocationDirection MGLToleranceForSnappingToNorth = 7;
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/// Distance threshold to stop the camera while animating.
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const CLLocationDistance MGLDistanceThresholdForCameraPause = 500;
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/// Reuse identifier and file name of the default point annotation image.
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static NSString * const MGLDefaultStyleMarkerSymbolName = @"default_marker";
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/// Reuse identifier and file name of the invisible point annotation image used
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/// by annotations that are visually backed by MGLAnnotationView objects
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static NSString * const MGLInvisibleStyleMarkerSymbolName = @"invisible_marker";
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/// Prefix that denotes a sprite installed by MGLMapView, to avoid collisions
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/// with style-defined sprites.
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NSString * const MGLAnnotationSpritePrefix = @"com.mapbox.sprites.";
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/// Slop area around the hit testing point, allowing for imprecise annotation selection.
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const CGFloat MGLAnnotationImagePaddingForHitTest = 5;
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/// Distance from the callout’s anchor point to the annotation it points to.
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const CGFloat MGLAnnotationImagePaddingForCallout = 1;
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const CGSize MGLAnnotationAccessibilityElementMinimumSize = CGSizeMake(10, 10);
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/// Padding to edge of view that an offscreen annotation must have when being brought onscreen (by being selected)
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const UIEdgeInsets MGLMapViewOffscreenAnnotationPadding = UIEdgeInsetsMake(-20.0f, -20.0f, -20.0f, -20.0f);
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/// An indication that the requested annotation was not found or is nonexistent.
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enum { MGLAnnotationTagNotFound = UINT32_MAX };
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/// Mapping from an annotation tag to metadata about that annotation, including
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/// the annotation itself.
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typedef std::unordered_map<MGLAnnotationTag, MGLAnnotationContext> MGLAnnotationTagContextMap;
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/// Mapping from an annotation object to an annotation tag.
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typedef std::map<id<MGLAnnotation>, MGLAnnotationTag> MGLAnnotationObjectTagMap;
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mbgl::util::UnitBezier MGLUnitBezierForMediaTimingFunction(CAMediaTimingFunction *function)
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{
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if ( ! function)
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{
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function = [CAMediaTimingFunction functionWithName:kCAMediaTimingFunctionDefault];
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}
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float p1[2], p2[2];
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[function getControlPointAtIndex:0 values:p1];
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[function getControlPointAtIndex:1 values:p2];
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return { p1[0], p1[1], p2[0], p2[1] };
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}
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/// Lightweight container for metadata about an annotation, including the annotation itself.
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class MGLAnnotationContext {
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public:
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id <MGLAnnotation> annotation;
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/// The annotation’s image’s reuse identifier.
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NSString *imageReuseIdentifier;
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MGLAnnotationAccessibilityElement *accessibilityElement;
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MGLAnnotationView *annotationView;
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NSString *viewReuseIdentifier;
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};
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#pragma mark - Private -
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@interface MGLMapView () <UIGestureRecognizerDelegate,
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GLKViewDelegate,
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MGLLocationManagerDelegate,
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MGLSMCalloutViewDelegate,
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MGLCalloutViewDelegate,
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MGLMultiPointDelegate,
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MGLAnnotationImageDelegate>
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@property (nonatomic) EAGLContext *context;
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@property (nonatomic) GLKView *glView;
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@property (nonatomic) UIImageView *glSnapshotView;
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@property (nonatomic) NSMutableArray<NSLayoutConstraint *> *scaleBarConstraints;
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@property (nonatomic, readwrite) MGLScaleBar *scaleBar;
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@property (nonatomic, readwrite) UIImageView *compassView;
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@property (nonatomic) NSMutableArray<NSLayoutConstraint *> *compassViewConstraints;
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@property (nonatomic, readwrite) UIImageView *logoView;
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@property (nonatomic) NSMutableArray<NSLayoutConstraint *> *logoViewConstraints;
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@property (nonatomic, readwrite) UIButton *attributionButton;
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@property (nonatomic) NSMutableArray<NSLayoutConstraint *> *attributionButtonConstraints;
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@property (nonatomic, readwrite) MGLStyle *style;
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@property (nonatomic) UITapGestureRecognizer *singleTapGestureRecognizer;
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@property (nonatomic) UITapGestureRecognizer *doubleTap;
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@property (nonatomic) UITapGestureRecognizer *twoFingerTap;
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@property (nonatomic) UIPanGestureRecognizer *pan;
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@property (nonatomic) UIPinchGestureRecognizer *pinch;
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@property (nonatomic) UIRotationGestureRecognizer *rotate;
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@property (nonatomic) UILongPressGestureRecognizer *quickZoom;
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@property (nonatomic) UIPanGestureRecognizer *twoFingerDrag;
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@property (nonatomic) MGLCameraChangeReason cameraChangeReasonBitmask;
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/// Mapping from reusable identifiers to annotation images.
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@property (nonatomic) NSMutableDictionary<NSString *, MGLAnnotationImage *> *annotationImagesByIdentifier;
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/// Currently shown popover representing the selected annotation.
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@property (nonatomic) UIView<MGLCalloutView> *calloutViewForSelectedAnnotation;
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@property (nonatomic) MGLUserLocationAnnotationView *userLocationAnnotationView;
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/// Indicates how thoroughly the map view is tracking the user location.
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@property (nonatomic) MGLUserTrackingState userTrackingState;
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@property (nonatomic) CGFloat scale;
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@property (nonatomic) CGFloat angle;
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@property (nonatomic) CGFloat quickZoomStart;
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@property (nonatomic, getter=isDormant) BOOL dormant;
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@property (nonatomic, readonly, getter=isRotationAllowed) BOOL rotationAllowed;
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@property (nonatomic) BOOL shouldTriggerHapticFeedbackForCompass;
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@property (nonatomic) MGLMapViewProxyAccessibilityElement *mapViewProxyAccessibilityElement;
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@property (nonatomic) MGLAnnotationContainerView *annotationContainerView;
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@property (nonatomic) MGLUserLocation *userLocation;
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@property (nonatomic) NSMutableDictionary<NSString *, NSMutableArray<MGLAnnotationView *> *> *annotationViewReuseQueueByIdentifier;
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/// Experimental rendering performance measurement.
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@property (nonatomic) BOOL experimental_enableFrameRateMeasurement;
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@property (nonatomic) CGFloat averageFrameRate;
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@property (nonatomic) CFTimeInterval frameTime;
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@property (nonatomic) CFTimeInterval averageFrameTime;
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@end
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@implementation MGLMapView
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{
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mbgl::Map *_mbglMap;
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MBGLView *_mbglView;
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std::unique_ptr<MGLRenderFrontend> _rendererFrontend;
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std::shared_ptr<mbgl::ThreadPool> _mbglThreadPool;
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BOOL _opaque;
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MGLAnnotationTagContextMap _annotationContextsByAnnotationTag;
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MGLAnnotationObjectTagMap _annotationTagsByAnnotation;
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/// Tag of the selected annotation. If the user location annotation is selected, this ivar is set to `MGLAnnotationTagNotFound`.
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MGLAnnotationTag _selectedAnnotationTag;
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BOOL _userLocationAnnotationIsSelected;
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/// Size of the rectangle formed by unioning the maximum slop area around every annotation image and annotation image view.
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CGSize _unionedAnnotationRepresentationSize;
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CGSize _largestAnnotationViewSize;
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std::vector<MGLAnnotationTag> _annotationsNearbyLastTap;
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CGPoint _initialImplicitCalloutViewOffset;
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NSDate *_userLocationAnimationCompletionDate;
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/// True if a willChange notification has been issued for shape annotation layers and a didChange notification is pending.
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BOOL _isChangingAnnotationLayers;
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BOOL _isWaitingForRedundantReachableNotification;
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BOOL _isTargetingInterfaceBuilder;
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CLLocationDegrees _pendingLatitude;
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CLLocationDegrees _pendingLongitude;
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CADisplayLink *_displayLink;
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BOOL _needsDisplayRefresh;
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NSInteger _changeDelimiterSuppressionDepth;
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/// Center coordinate of the pinch gesture on the previous iteration of the gesture.
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CLLocationCoordinate2D _previousPinchCenterCoordinate;
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NSUInteger _previousPinchNumberOfTouches;
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CLLocationDistance _distanceFromOldUserLocation;
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BOOL _delegateHasAlphasForShapeAnnotations;
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BOOL _delegateHasStrokeColorsForShapeAnnotations;
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BOOL _delegateHasFillColorsForShapeAnnotations;
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BOOL _delegateHasLineWidthsForShapeAnnotations;
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MGLCompassDirectionFormatter *_accessibilityCompassFormatter;
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NSArray<id <MGLFeature>> *_visiblePlaceFeatures;
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NSArray<id <MGLFeature>> *_visibleRoadFeatures;
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NSMutableSet<MGLFeatureAccessibilityElement *> *_featureAccessibilityElements;
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BOOL _accessibilityValueAnnouncementIsPending;
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MGLReachability *_reachability;
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/// Experimental rendering performance measurement.
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CFTimeInterval _frameCounterStartTime;
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NSInteger _frameCount;
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CFTimeInterval _frameDurations;
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}
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#pragma mark - Setup & Teardown -
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- (instancetype)initWithFrame:(CGRect)frame
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{
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if (self = [super initWithFrame:frame])
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{
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[self commonInit];
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self.styleURL = nil;
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}
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return self;
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}
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- (instancetype)initWithFrame:(CGRect)frame styleURL:(nullable NSURL *)styleURL
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{
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if (self = [super initWithFrame:frame])
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{
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[self commonInit];
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self.styleURL = styleURL;
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}
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return self;
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}
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- (instancetype)initWithCoder:(nonnull NSCoder *)decoder
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{
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if (self = [super initWithCoder:decoder])
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{
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[self commonInit];
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self.styleURL = nil;
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}
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return self;
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}
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+ (void)initialize
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{
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if (self == [MGLMapView class])
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{
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[MGLSDKUpdateChecker checkForUpdates];
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}
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}
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+ (NSSet<NSString *> *)keyPathsForValuesAffectingStyle
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{
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return [NSSet setWithObject:@"styleURL"];
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}
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+ (NSSet<NSString *> *)keyPathsForValuesAffectingStyleURL
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{
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return [NSSet setWithObjects:@"styleURL__", nil];
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}
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- (nonnull NSURL *)styleURL
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{
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NSString *styleURLString = @(_mbglMap->getStyle().getURL().c_str()).mgl_stringOrNilIfEmpty;
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NSAssert(styleURLString || _isTargetingInterfaceBuilder, @"Invalid style URL string %@", styleURLString);
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return styleURLString ? [NSURL URLWithString:styleURLString] : nil;
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}
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- (void)setStyleURL:(nullable NSURL *)styleURL
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{
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if (_isTargetingInterfaceBuilder) return;
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if ( ! styleURL)
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{
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styleURL = [MGLStyle streetsStyleURLWithVersion:MGLStyleDefaultVersion];
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}
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styleURL = styleURL.mgl_URLByStandardizingScheme;
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self.style = nil;
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_mbglMap->getStyle().loadURL([[styleURL absoluteString] UTF8String]);
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}
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- (IBAction)reloadStyle:(__unused id)sender {
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NSURL *styleURL = self.styleURL;
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_mbglMap->getStyle().loadURL("");
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self.styleURL = styleURL;
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}
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- (mbgl::Map *)mbglMap
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{
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return _mbglMap;
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}
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- (mbgl::Renderer *)renderer
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{
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return _rendererFrontend->getRenderer();
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}
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- (void)commonInit
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{
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_isTargetingInterfaceBuilder = NSProcessInfo.processInfo.mgl_isInterfaceBuilderDesignablesAgent;
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_opaque = NO;
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BOOL background = [UIApplication sharedApplication].applicationState == UIApplicationStateBackground;
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if (!background)
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{
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[self createGLView];
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}
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// setup accessibility
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//
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// self.isAccessibilityElement = YES;
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self.accessibilityLabel = NSLocalizedStringWithDefaultValue(@"MAP_A11Y_LABEL", nil, nil, @"Map", @"Accessibility label");
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self.accessibilityTraits = UIAccessibilityTraitAllowsDirectInteraction | UIAccessibilityTraitAdjustable;
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_accessibilityCompassFormatter = [[MGLCompassDirectionFormatter alloc] init];
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_accessibilityCompassFormatter.unitStyle = NSFormattingUnitStyleLong;
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self.backgroundColor = [UIColor clearColor];
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self.clipsToBounds = YES;
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if (@available(iOS 11.0, *)) { self.accessibilityIgnoresInvertColors = YES; }
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self.preferredFramesPerSecond = MGLMapViewPreferredFramesPerSecondDefault;
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// setup mbgl view
|
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_mbglView = new MBGLView(self);
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// Delete the pre-offline ambient cache at ~/Library/Caches/cache.db.
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NSArray *paths = NSSearchPathForDirectoriesInDomains(NSCachesDirectory, NSUserDomainMask, YES);
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NSString *fileCachePath = [paths.firstObject stringByAppendingPathComponent:@"cache.db"];
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[[NSFileManager defaultManager] removeItemAtPath:fileCachePath error:NULL];
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// setup mbgl map
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MGLRendererConfiguration *config = [MGLRendererConfiguration currentConfiguration];
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_mbglThreadPool = mbgl::sharedThreadPool();
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auto renderer = std::make_unique<mbgl::Renderer>(*_mbglView, config.scaleFactor, *config.fileSource, *_mbglThreadPool, config.contextMode, config.cacheDir, config.localFontFamilyName);
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_rendererFrontend = std::make_unique<MGLRenderFrontend>(std::move(renderer), self, *_mbglView);
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_mbglMap = new mbgl::Map(*_rendererFrontend, *_mbglView, self.size, config.scaleFactor, *[config fileSource], *_mbglThreadPool, mbgl::MapMode::Continuous, mbgl::ConstrainMode::None, mbgl::ViewportMode::Default);
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// start paused if in IB
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if (_isTargetingInterfaceBuilder || background) {
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self.dormant = YES;
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}
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// Notify map object when network reachability status changes.
|
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[[NSNotificationCenter defaultCenter] addObserver:self
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selector:@selector(reachabilityChanged:)
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name:kMGLReachabilityChangedNotification
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object:nil];
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_reachability = [MGLReachability reachabilityForInternetConnection];
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if ([_reachability isReachable])
|
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{
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_isWaitingForRedundantReachableNotification = YES;
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}
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[_reachability startNotifier];
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|
||
// setup default location manager
|
||
self.locationManager = nil;
|
||
|
||
// Set up annotation management and selection state.
|
||
_annotationImagesByIdentifier = [NSMutableDictionary dictionary];
|
||
_annotationContextsByAnnotationTag = {};
|
||
_annotationTagsByAnnotation = {};
|
||
_annotationViewReuseQueueByIdentifier = [NSMutableDictionary dictionary];
|
||
_selectedAnnotationTag = MGLAnnotationTagNotFound;
|
||
_annotationsNearbyLastTap = {};
|
||
|
||
// setup logo
|
||
//
|
||
UIImage *logo = [MGLMapView resourceImageNamed:@"mapbox"];
|
||
_logoView = [[UIImageView alloc] initWithImage:logo];
|
||
_logoView.accessibilityTraits = UIAccessibilityTraitStaticText;
|
||
_logoView.accessibilityLabel = NSLocalizedStringWithDefaultValue(@"LOGO_A11Y_LABEL", nil, nil, @"Mapbox", @"Accessibility label");
|
||
_logoView.translatesAutoresizingMaskIntoConstraints = NO;
|
||
[self addSubview:_logoView];
|
||
_logoViewConstraints = [NSMutableArray array];
|
||
|
||
// setup attribution
|
||
//
|
||
_attributionButton = [UIButton buttonWithType:UIButtonTypeInfoLight];
|
||
_attributionButton.accessibilityLabel = NSLocalizedStringWithDefaultValue(@"INFO_A11Y_LABEL", nil, nil, @"About this map", @"Accessibility label");
|
||
_attributionButton.accessibilityHint = NSLocalizedStringWithDefaultValue(@"INFO_A11Y_HINT", nil, nil, @"Shows credits, a feedback form, and more", @"Accessibility hint");
|
||
[_attributionButton addTarget:self action:@selector(showAttribution:) forControlEvents:UIControlEventTouchUpInside];
|
||
_attributionButton.translatesAutoresizingMaskIntoConstraints = NO;
|
||
[self addSubview:_attributionButton];
|
||
_attributionButtonConstraints = [NSMutableArray array];
|
||
[_attributionButton addObserver:self forKeyPath:@"hidden" options:NSKeyValueObservingOptionNew context:NULL];
|
||
|
||
UILongPressGestureRecognizer *attributionLongPress = [[UILongPressGestureRecognizer alloc] initWithTarget:self action:@selector(showAttribution:)];
|
||
[_attributionButton addGestureRecognizer:attributionLongPress];
|
||
|
||
// setup compass
|
||
//
|
||
_compassView = [[UIImageView alloc] initWithImage:self.compassImage];
|
||
_compassView.alpha = 0;
|
||
_compassView.userInteractionEnabled = YES;
|
||
[_compassView addGestureRecognizer:[[UITapGestureRecognizer alloc] initWithTarget:self action:@selector(handleCompassTapGesture:)]];
|
||
_compassView.accessibilityTraits = UIAccessibilityTraitButton;
|
||
_compassView.accessibilityLabel = NSLocalizedStringWithDefaultValue(@"COMPASS_A11Y_LABEL", nil, nil, @"Compass", @"Accessibility label");
|
||
_compassView.accessibilityHint = NSLocalizedStringWithDefaultValue(@"COMPASS_A11Y_HINT", nil, nil, @"Rotates the map to face due north", @"Accessibility hint");
|
||
_compassView.translatesAutoresizingMaskIntoConstraints = NO;
|
||
[self addSubview:_compassView];
|
||
_compassViewConstraints = [NSMutableArray array];
|
||
|
||
// setup scale control
|
||
//
|
||
_scaleBar = [[MGLScaleBar alloc] init];
|
||
_scaleBar.translatesAutoresizingMaskIntoConstraints = NO;
|
||
[self addSubview:_scaleBar];
|
||
_scaleBarConstraints = [NSMutableArray array];
|
||
|
||
// setup interaction
|
||
//
|
||
_pan = [[UIPanGestureRecognizer alloc] initWithTarget:self action:@selector(handlePanGesture:)];
|
||
_pan.delegate = self;
|
||
_pan.maximumNumberOfTouches = 1;
|
||
[self addGestureRecognizer:_pan];
|
||
_scrollEnabled = YES;
|
||
|
||
_pinch = [[UIPinchGestureRecognizer alloc] initWithTarget:self action:@selector(handlePinchGesture:)];
|
||
_pinch.delegate = self;
|
||
[self addGestureRecognizer:_pinch];
|
||
_zoomEnabled = YES;
|
||
|
||
_rotate = [[UIRotationGestureRecognizer alloc] initWithTarget:self action:@selector(handleRotateGesture:)];
|
||
_rotate.delegate = self;
|
||
[self addGestureRecognizer:_rotate];
|
||
_rotateEnabled = YES;
|
||
|
||
_doubleTap = [[UITapGestureRecognizer alloc] initWithTarget:self action:@selector(handleDoubleTapGesture:)];
|
||
_doubleTap.numberOfTapsRequired = 2;
|
||
[self addGestureRecognizer:_doubleTap];
|
||
|
||
_twoFingerDrag = [[UIPanGestureRecognizer alloc] initWithTarget:self action:@selector(handleTwoFingerDragGesture:)];
|
||
_twoFingerDrag.minimumNumberOfTouches = 2;
|
||
_twoFingerDrag.maximumNumberOfTouches = 2;
|
||
_twoFingerDrag.delegate = self;
|
||
[_twoFingerDrag requireGestureRecognizerToFail:_pan];
|
||
[self addGestureRecognizer:_twoFingerDrag];
|
||
_pitchEnabled = YES;
|
||
|
||
_twoFingerTap = [[UITapGestureRecognizer alloc] initWithTarget:self action:@selector(handleTwoFingerTapGesture:)];
|
||
_twoFingerTap.numberOfTouchesRequired = 2;
|
||
[_twoFingerTap requireGestureRecognizerToFail:_pinch];
|
||
[_twoFingerTap requireGestureRecognizerToFail:_rotate];
|
||
[_twoFingerTap requireGestureRecognizerToFail:_twoFingerDrag];
|
||
[self addGestureRecognizer:_twoFingerTap];
|
||
|
||
_hapticFeedbackEnabled = YES;
|
||
|
||
_decelerationRate = MGLMapViewDecelerationRateNormal;
|
||
|
||
_quickZoom = [[UILongPressGestureRecognizer alloc] initWithTarget:self action:@selector(handleQuickZoomGesture:)];
|
||
_quickZoom.numberOfTapsRequired = 1;
|
||
_quickZoom.minimumPressDuration = 0;
|
||
[_quickZoom requireGestureRecognizerToFail:_doubleTap];
|
||
[self addGestureRecognizer:_quickZoom];
|
||
|
||
_singleTapGestureRecognizer = [[UITapGestureRecognizer alloc] initWithTarget:self action:@selector(handleSingleTapGesture:)];
|
||
[_singleTapGestureRecognizer requireGestureRecognizerToFail:_doubleTap];
|
||
_singleTapGestureRecognizer.delegate = self;
|
||
[_singleTapGestureRecognizer requireGestureRecognizerToFail:_quickZoom];
|
||
[self addGestureRecognizer:_singleTapGestureRecognizer];
|
||
|
||
// observe app activity
|
||
//
|
||
[[NSNotificationCenter defaultCenter] addObserver:self selector:@selector(willTerminate) name:UIApplicationWillTerminateNotification object:nil];
|
||
[[NSNotificationCenter defaultCenter] addObserver:self selector:@selector(sleepGL:) name:UIApplicationDidEnterBackgroundNotification object:nil];
|
||
[[NSNotificationCenter defaultCenter] addObserver:self selector:@selector(wakeGL:) name:UIApplicationWillEnterForegroundNotification object:nil];
|
||
[[NSNotificationCenter defaultCenter] addObserver:self selector:@selector(wakeGL:) name:UIApplicationDidBecomeActiveNotification object:nil];
|
||
// As of 3.7.5, we intentionally do not listen for `UIApplicationWillResignActiveNotification` or call `sleepGL:` in response to it, as doing
|
||
// so causes a loop when asking for location permission. See: https://github.com/mapbox/mapbox-gl-native/issues/11225
|
||
|
||
[[NSNotificationCenter defaultCenter] addObserver:self selector:@selector(didReceiveMemoryWarning) name:UIApplicationDidReceiveMemoryWarningNotification object:nil];
|
||
[[NSNotificationCenter defaultCenter] addObserver:self selector:@selector(deviceOrientationDidChange:) name:UIDeviceOrientationDidChangeNotification object:nil];
|
||
[[UIDevice currentDevice] beginGeneratingDeviceOrientationNotifications];
|
||
|
||
|
||
// set initial position
|
||
//
|
||
mbgl::CameraOptions options;
|
||
options.center = mbgl::LatLng(0, 0);
|
||
mbgl::EdgeInsets padding = MGLEdgeInsetsFromNSEdgeInsets(self.contentInset);
|
||
options.padding = padding;
|
||
options.zoom = 0;
|
||
|
||
_cameraChangeReasonBitmask = MGLCameraChangeReasonNone;
|
||
|
||
_mbglMap->jumpTo(options);
|
||
_pendingLatitude = NAN;
|
||
_pendingLongitude = NAN;
|
||
_targetCoordinate = kCLLocationCoordinate2DInvalid;
|
||
|
||
if ([UIApplication sharedApplication].applicationState != UIApplicationStateBackground) {
|
||
[MGLMapboxEvents pushTurnstileEvent];
|
||
[MGLMapboxEvents pushEvent:MMEEventTypeMapLoad withAttributes:@{}];
|
||
}
|
||
}
|
||
|
||
- (mbgl::Size)size
|
||
{
|
||
// check for minimum texture size supported by OpenGL ES 2.0
|
||
//
|
||
CGSize size = CGSizeMake(MAX(self.bounds.size.width, 64), MAX(self.bounds.size.height, 64));
|
||
return { static_cast<uint32_t>(size.width),
|
||
static_cast<uint32_t>(size.height) };
|
||
}
|
||
|
||
- (mbgl::Size)framebufferSize
|
||
{
|
||
return { static_cast<uint32_t>(self.glView.drawableWidth),
|
||
static_cast<uint32_t>(self.glView.drawableHeight) };
|
||
}
|
||
|
||
- (void)createGLView
|
||
{
|
||
if (_context) return;
|
||
|
||
// create context
|
||
//
|
||
_context = [[EAGLContext alloc] initWithAPI:kEAGLRenderingAPIOpenGLES2];
|
||
NSAssert(_context, @"Failed to create OpenGL ES context.");
|
||
|
||
// create GL view
|
||
//
|
||
_glView = [[GLKView alloc] initWithFrame:self.bounds context:_context];
|
||
_glView.autoresizingMask = UIViewAutoresizingFlexibleWidth | UIViewAutoresizingFlexibleHeight;
|
||
_glView.enableSetNeedsDisplay = NO;
|
||
_glView.drawableStencilFormat = GLKViewDrawableStencilFormat8;
|
||
_glView.drawableDepthFormat = GLKViewDrawableDepthFormat16;
|
||
_glView.contentScaleFactor = [UIScreen instancesRespondToSelector:@selector(nativeScale)] ? [[UIScreen mainScreen] nativeScale] : [[UIScreen mainScreen] scale];
|
||
_glView.layer.opaque = _opaque;
|
||
_glView.delegate = self;
|
||
|
||
[_glView bindDrawable];
|
||
[self insertSubview:_glView atIndex:0];
|
||
_glView.contentMode = UIViewContentModeCenter;
|
||
}
|
||
|
||
- (UIImage *)compassImage
|
||
{
|
||
UIImage *scaleImage = [MGLMapView resourceImageNamed:@"Compass"];
|
||
UIGraphicsBeginImageContextWithOptions(scaleImage.size, NO, [UIScreen mainScreen].scale);
|
||
[scaleImage drawInRect:{ CGPointZero, scaleImage.size }];
|
||
|
||
NSAttributedString *north = [[NSAttributedString alloc] initWithString:NSLocalizedStringWithDefaultValue(@"COMPASS_NORTH", nil, nil, @"N", @"Compass abbreviation for north") attributes:@{
|
||
NSFontAttributeName: [UIFont systemFontOfSize:11 weight:UIFontWeightUltraLight],
|
||
NSForegroundColorAttributeName: [UIColor whiteColor],
|
||
}];
|
||
CGRect stringRect = CGRectMake((scaleImage.size.width - north.size.width) / 2,
|
||
scaleImage.size.height * 0.435,
|
||
north.size.width, north.size.height);
|
||
[north drawInRect:stringRect];
|
||
|
||
UIImage *image = UIGraphicsGetImageFromCurrentImageContext();
|
||
UIGraphicsEndImageContext();
|
||
return image;
|
||
}
|
||
|
||
- (void)reachabilityChanged:(NSNotification *)notification
|
||
{
|
||
MGLAssertIsMainThread();
|
||
|
||
MGLReachability *reachability = [notification object];
|
||
if ( ! _isWaitingForRedundantReachableNotification && [reachability isReachable])
|
||
{
|
||
mbgl::NetworkStatus::Reachable();
|
||
}
|
||
_isWaitingForRedundantReachableNotification = NO;
|
||
}
|
||
|
||
- (void)dealloc
|
||
{
|
||
[_reachability stopNotifier];
|
||
|
||
[[UIDevice currentDevice] endGeneratingDeviceOrientationNotifications];
|
||
[[NSNotificationCenter defaultCenter] removeObserver:self];
|
||
[_attributionButton removeObserver:self forKeyPath:@"hidden"];
|
||
|
||
// Removing the annotations unregisters any outstanding KVO observers.
|
||
NSArray *annotations = self.annotations;
|
||
if (annotations)
|
||
{
|
||
[self removeAnnotations:annotations];
|
||
}
|
||
|
||
[self validateDisplayLink];
|
||
|
||
if (_mbglMap)
|
||
{
|
||
delete _mbglMap;
|
||
_mbglMap = nullptr;
|
||
}
|
||
|
||
if (_mbglView)
|
||
{
|
||
delete _mbglView;
|
||
_mbglView = nullptr;
|
||
}
|
||
|
||
if ([[EAGLContext currentContext] isEqual:_context])
|
||
{
|
||
[EAGLContext setCurrentContext:nil];
|
||
}
|
||
|
||
[self.compassViewConstraints removeAllObjects];
|
||
self.compassViewConstraints = nil;
|
||
|
||
[self.scaleBarConstraints removeAllObjects];
|
||
self.scaleBarConstraints = nil;
|
||
|
||
[self.logoViewConstraints removeAllObjects];
|
||
self.logoViewConstraints = nil;
|
||
|
||
[self.attributionButtonConstraints removeAllObjects];
|
||
self.attributionButtonConstraints = nil;
|
||
|
||
[_locationManager stopUpdatingLocation];
|
||
[_locationManager stopUpdatingHeading];
|
||
_locationManager.delegate = nil;
|
||
|
||
}
|
||
|
||
- (void)setDelegate:(nullable id<MGLMapViewDelegate>)delegate
|
||
{
|
||
if (_delegate == delegate) return;
|
||
|
||
_delegate = delegate;
|
||
|
||
_delegateHasAlphasForShapeAnnotations = [_delegate respondsToSelector:@selector(mapView:alphaForShapeAnnotation:)];
|
||
_delegateHasStrokeColorsForShapeAnnotations = [_delegate respondsToSelector:@selector(mapView:strokeColorForShapeAnnotation:)];
|
||
_delegateHasFillColorsForShapeAnnotations = [_delegate respondsToSelector:@selector(mapView:fillColorForPolygonAnnotation:)];
|
||
_delegateHasLineWidthsForShapeAnnotations = [_delegate respondsToSelector:@selector(mapView:lineWidthForPolylineAnnotation:)];
|
||
}
|
||
|
||
- (void)didReceiveMemoryWarning
|
||
{
|
||
MGLAssertIsMainThread();
|
||
|
||
_rendererFrontend->reduceMemoryUse();
|
||
}
|
||
|
||
#pragma mark - Layout -
|
||
|
||
+ (BOOL)requiresConstraintBasedLayout
|
||
{
|
||
return YES;
|
||
}
|
||
|
||
- (UIViewController *)viewControllerForLayoutGuides
|
||
{
|
||
// Per -[UIResponder nextResponder] documentation, a UIView’s next responder
|
||
// is its managing UIViewController if applicable, or otherwise its
|
||
// superview. UIWindow’s next responder is UIApplication, which has no next
|
||
// responder.
|
||
UIResponder *laterResponder = self;
|
||
while ([laterResponder isKindOfClass:[UIView class]])
|
||
{
|
||
laterResponder = laterResponder.nextResponder;
|
||
}
|
||
if ([laterResponder isKindOfClass:[UIViewController class]])
|
||
{
|
||
return (UIViewController *)laterResponder;
|
||
}
|
||
return nil;
|
||
}
|
||
|
||
- (void)updateConstraintsPreiOS11 {
|
||
// If we have a view controller reference and its automaticallyAdjustsScrollViewInsets
|
||
// is set to YES, use its view as the parent for constraints. -[MGLMapView adjustContentInset]
|
||
// already take top and bottom layout guides into account. If we don't have a reference, apply
|
||
// constraints against ourself to maintain placement of the subviews.
|
||
//
|
||
UIViewController *viewController = self.viewControllerForLayoutGuides;
|
||
BOOL useLayoutGuides = viewController.view && viewController.automaticallyAdjustsScrollViewInsets;
|
||
UIView *containerView = useLayoutGuides ? viewController.view : self;
|
||
|
||
// compass view
|
||
//
|
||
[containerView removeConstraints:self.compassViewConstraints];
|
||
[self.compassViewConstraints removeAllObjects];
|
||
|
||
if (useLayoutGuides) {
|
||
[self.compassViewConstraints addObject:
|
||
[NSLayoutConstraint constraintWithItem:self.compassView
|
||
attribute:NSLayoutAttributeTop
|
||
relatedBy:NSLayoutRelationGreaterThanOrEqual
|
||
toItem:viewController.topLayoutGuide
|
||
attribute:NSLayoutAttributeBottom
|
||
multiplier:1.0
|
||
constant:8.0]];
|
||
}
|
||
[self.compassViewConstraints addObject:
|
||
[NSLayoutConstraint constraintWithItem:self.compassView
|
||
attribute:NSLayoutAttributeTop
|
||
relatedBy:NSLayoutRelationGreaterThanOrEqual
|
||
toItem:self
|
||
attribute:NSLayoutAttributeTop
|
||
multiplier:1.0
|
||
constant:8.0 + self.contentInset.top]];
|
||
|
||
[self.compassViewConstraints addObject:
|
||
[NSLayoutConstraint constraintWithItem:self
|
||
attribute:NSLayoutAttributeTrailing
|
||
relatedBy:NSLayoutRelationEqual
|
||
toItem:self.compassView
|
||
attribute:NSLayoutAttributeTrailing
|
||
multiplier:1.0
|
||
constant:8.0 + self.contentInset.right]];
|
||
|
||
[containerView addConstraints:self.compassViewConstraints];
|
||
|
||
// scale bar view
|
||
//
|
||
[containerView removeConstraints:self.scaleBarConstraints];
|
||
[self.scaleBarConstraints removeAllObjects];
|
||
|
||
if (useLayoutGuides) {
|
||
[self.scaleBarConstraints addObject:
|
||
[NSLayoutConstraint constraintWithItem:self.scaleBar
|
||
attribute:NSLayoutAttributeTop
|
||
relatedBy:NSLayoutRelationGreaterThanOrEqual
|
||
toItem:viewController.topLayoutGuide
|
||
attribute:NSLayoutAttributeBottom
|
||
multiplier:1.0
|
||
constant:8.0]];
|
||
}
|
||
[self.scaleBarConstraints addObject:
|
||
[NSLayoutConstraint constraintWithItem:self.scaleBar
|
||
attribute:NSLayoutAttributeTop
|
||
relatedBy:NSLayoutRelationGreaterThanOrEqual
|
||
toItem:self
|
||
attribute:NSLayoutAttributeTop
|
||
multiplier:1.0
|
||
constant:8.0 + self.contentInset.top]];
|
||
[self.scaleBarConstraints addObject:
|
||
[NSLayoutConstraint constraintWithItem:self.scaleBar
|
||
attribute:NSLayoutAttributeLeft
|
||
relatedBy:NSLayoutRelationEqual
|
||
toItem:self
|
||
attribute:NSLayoutAttributeLeft
|
||
multiplier:1.0
|
||
constant:8.0 + self.contentInset.left]];
|
||
|
||
[containerView addConstraints:self.scaleBarConstraints];
|
||
|
||
// logo view
|
||
//
|
||
[containerView removeConstraints:self.logoViewConstraints];
|
||
[self.logoViewConstraints removeAllObjects];
|
||
|
||
if (useLayoutGuides) {
|
||
[self.logoViewConstraints addObject:
|
||
[NSLayoutConstraint constraintWithItem:viewController.bottomLayoutGuide
|
||
attribute:NSLayoutAttributeTop
|
||
relatedBy:NSLayoutRelationGreaterThanOrEqual
|
||
toItem:self.logoView
|
||
attribute:NSLayoutAttributeBaseline
|
||
multiplier:1.0
|
||
constant:8.0 + self.contentInset.bottom]];
|
||
}
|
||
[self.logoViewConstraints addObject:
|
||
[NSLayoutConstraint constraintWithItem:self
|
||
attribute:NSLayoutAttributeBottom
|
||
relatedBy:NSLayoutRelationGreaterThanOrEqual
|
||
toItem:self.logoView
|
||
attribute:NSLayoutAttributeBaseline
|
||
multiplier:1
|
||
constant:8.0 + self.contentInset.bottom]];
|
||
[self.logoViewConstraints addObject:
|
||
[NSLayoutConstraint constraintWithItem:self.logoView
|
||
attribute:NSLayoutAttributeLeading
|
||
relatedBy:NSLayoutRelationEqual
|
||
toItem:self
|
||
attribute:NSLayoutAttributeLeading
|
||
multiplier:1.0
|
||
constant:8.0 + self.contentInset.left]];
|
||
[containerView addConstraints:self.logoViewConstraints];
|
||
|
||
// attribution button
|
||
//
|
||
[containerView removeConstraints:self.attributionButtonConstraints];
|
||
[self.attributionButtonConstraints removeAllObjects];
|
||
|
||
if (useLayoutGuides) {
|
||
[self.attributionButtonConstraints addObject:
|
||
[NSLayoutConstraint constraintWithItem:viewController.bottomLayoutGuide
|
||
attribute:NSLayoutAttributeTop
|
||
relatedBy:NSLayoutRelationGreaterThanOrEqual
|
||
toItem:self.attributionButton
|
||
attribute:NSLayoutAttributeBaseline
|
||
multiplier:1
|
||
constant:8.0 + self.contentInset.bottom]];
|
||
}
|
||
[self.attributionButtonConstraints addObject:
|
||
[NSLayoutConstraint constraintWithItem:self
|
||
attribute:NSLayoutAttributeBottom
|
||
relatedBy:NSLayoutRelationGreaterThanOrEqual
|
||
toItem:self.attributionButton
|
||
attribute:NSLayoutAttributeBaseline
|
||
multiplier:1
|
||
constant:8.0 + self.contentInset.bottom]];
|
||
|
||
[self.attributionButtonConstraints addObject:
|
||
[NSLayoutConstraint constraintWithItem:self
|
||
attribute:NSLayoutAttributeTrailing
|
||
relatedBy:NSLayoutRelationEqual
|
||
toItem:self.attributionButton
|
||
attribute:NSLayoutAttributeTrailing
|
||
multiplier:1
|
||
constant:8.0 + self.contentInset.right]];
|
||
[containerView addConstraints:self.attributionButtonConstraints];
|
||
}
|
||
|
||
- (void)updateConstraints
|
||
{
|
||
// If safeAreaLayoutGuide API exists
|
||
if (@available(iOS 11.0, *)) {
|
||
UILayoutGuide *safeAreaLayoutGuide = self.safeAreaLayoutGuide;
|
||
|
||
// compass view
|
||
[self removeConstraints:self.compassViewConstraints];
|
||
[self.compassViewConstraints removeAllObjects];
|
||
[self.compassViewConstraints addObject:[self constraintForYAxisAnchor:self.compassView.topAnchor belowAnchor:safeAreaLayoutGuide.topAnchor]];
|
||
[self.compassViewConstraints addObject:[safeAreaLayoutGuide.rightAnchor constraintEqualToAnchor:self.compassView.rightAnchor
|
||
constant:8.0 + self.contentInset.right]];
|
||
[self addConstraints:self.compassViewConstraints];
|
||
|
||
// scale bar view
|
||
[self removeConstraints:self.scaleBarConstraints];
|
||
[self.scaleBarConstraints removeAllObjects];
|
||
[self.scaleBarConstraints addObject:[self constraintForYAxisAnchor:self.scaleBar.topAnchor belowAnchor:safeAreaLayoutGuide.topAnchor]];
|
||
[self.scaleBarConstraints addObject:[self.scaleBar.leftAnchor constraintEqualToAnchor:safeAreaLayoutGuide.leftAnchor
|
||
constant:8.0 + self.contentInset.left]];
|
||
[self addConstraints:self.scaleBarConstraints];
|
||
|
||
// logo view
|
||
[self removeConstraints:self.logoViewConstraints];
|
||
[self.logoViewConstraints removeAllObjects];
|
||
[self.logoViewConstraints addObject:[self constraintForYAxisAnchor:safeAreaLayoutGuide.bottomAnchor belowAnchor:self.logoView.bottomAnchor]];
|
||
[self.logoViewConstraints addObject:[self.logoView.leftAnchor constraintEqualToAnchor:safeAreaLayoutGuide.leftAnchor
|
||
constant:8.0 + self.contentInset.left]];
|
||
[self addConstraints:self.logoViewConstraints];
|
||
|
||
// attribution button
|
||
[self removeConstraints:self.attributionButtonConstraints];
|
||
[self.attributionButtonConstraints removeAllObjects];
|
||
[self.attributionButtonConstraints addObject:[self constraintForYAxisAnchor:safeAreaLayoutGuide.bottomAnchor belowAnchor:self.attributionButton.bottomAnchor]];
|
||
[self.attributionButtonConstraints addObject:[safeAreaLayoutGuide.rightAnchor constraintEqualToAnchor:self.attributionButton.rightAnchor
|
||
constant:8.0 + self.contentInset.right]];
|
||
[self addConstraints:self.attributionButtonConstraints];
|
||
} else {
|
||
[self updateConstraintsPreiOS11];
|
||
}
|
||
|
||
[super updateConstraints];
|
||
}
|
||
|
||
- (NSLayoutConstraint *)constraintForYAxisAnchor:(NSLayoutYAxisAnchor *)yAxisAnchor belowAnchor:(NSLayoutYAxisAnchor *)anchor
|
||
{
|
||
if (@available(iOS 11.0, *)) {
|
||
return [yAxisAnchor constraintEqualToSystemSpacingBelowAnchor:anchor multiplier:1];
|
||
} else {
|
||
return nil;
|
||
}
|
||
}
|
||
|
||
- (BOOL)isOpaque
|
||
{
|
||
return _opaque;
|
||
}
|
||
|
||
- (void)setOpaque:(BOOL)opaque
|
||
{
|
||
_glView.layer.opaque = _opaque = opaque;
|
||
}
|
||
|
||
// This is the delegate of the GLKView object's display call.
|
||
- (void)glkView:(__unused GLKView *)view drawInRect:(__unused CGRect)rect
|
||
{
|
||
if ( ! self.dormant || ! _rendererFrontend)
|
||
{
|
||
_rendererFrontend->render();
|
||
|
||
[self updateUserLocationAnnotationView];
|
||
}
|
||
}
|
||
|
||
// This gets called when the view dimension changes, e.g. because the device is being rotated.
|
||
- (void)layoutSubviews
|
||
{
|
||
// Calling this here instead of in the scale bar itself because if this is done in the
|
||
// scale bar instance, it triggers a call to this `layoutSubviews` method that calls
|
||
// `_mbglMap->setSize()` just below that triggers rendering update which triggers
|
||
// another scale bar update which causes a rendering update loop and a major performace
|
||
// degradation. The only time the scale bar's intrinsic content size _must_ invalidated
|
||
// is here as a reaction to this object's view dimension changes.
|
||
[self.scaleBar invalidateIntrinsicContentSize];
|
||
|
||
[super layoutSubviews];
|
||
|
||
[self adjustContentInset];
|
||
|
||
if (!_isTargetingInterfaceBuilder) {
|
||
_mbglMap->setSize([self size]);
|
||
}
|
||
|
||
if (self.compassView.alpha)
|
||
{
|
||
[self updateCompass];
|
||
}
|
||
|
||
if (self.compassView.alpha || self.showsUserHeadingIndicator)
|
||
{
|
||
[self updateHeadingForDeviceOrientation];
|
||
}
|
||
|
||
[self updateUserLocationAnnotationView];
|
||
}
|
||
|
||
/// Updates `contentInset` to reflect the current window geometry.
|
||
- (void)adjustContentInset
|
||
{
|
||
// We could crawl all the way up the responder chain using
|
||
// -viewControllerForLayoutGuides, but an intervening view means that any
|
||
// manual contentInset should not be overridden; something other than the
|
||
// top and bottom bars may be influencing the manual inset.
|
||
UIViewController *viewController;
|
||
if ([self.nextResponder isKindOfClass:[UIViewController class]])
|
||
{
|
||
// This map view is the content view of a view controller.
|
||
viewController = (UIViewController *)self.nextResponder;
|
||
}
|
||
else if ([self.superview.nextResponder isKindOfClass:[UIViewController class]])
|
||
{
|
||
// This map view is an immediate child of a view controller’s content view.
|
||
viewController = (UIViewController *)self.superview.nextResponder;
|
||
}
|
||
|
||
if ( ! viewController.automaticallyAdjustsScrollViewInsets)
|
||
{
|
||
return;
|
||
}
|
||
|
||
UIEdgeInsets contentInset = UIEdgeInsetsZero;
|
||
CGPoint topPoint = CGPointMake(0, viewController.topLayoutGuide.length);
|
||
contentInset.top = [self convertPoint:topPoint fromView:viewController.view].y;
|
||
CGPoint bottomPoint = CGPointMake(0, CGRectGetMaxY(viewController.view.bounds)
|
||
- viewController.bottomLayoutGuide.length);
|
||
contentInset.bottom = (CGRectGetMaxY(self.bounds)
|
||
- [self convertPoint:bottomPoint fromView:viewController.view].y);
|
||
|
||
// Negative insets are invalid, replace with 0.
|
||
contentInset.top = fmaxf(contentInset.top, 0);
|
||
contentInset.bottom = fmaxf(contentInset.bottom, 0);
|
||
|
||
self.contentInset = contentInset;
|
||
}
|
||
|
||
- (void)setContentInset:(UIEdgeInsets)contentInset
|
||
{
|
||
[self setContentInset:contentInset animated:NO];
|
||
}
|
||
|
||
- (void)setContentInset:(UIEdgeInsets)contentInset animated:(BOOL)animated
|
||
{
|
||
if (UIEdgeInsetsEqualToEdgeInsets(contentInset, self.contentInset))
|
||
{
|
||
return;
|
||
}
|
||
|
||
// After adjusting the content inset, move the center coordinate from the
|
||
// old frame of reference to the new one represented by the newly set
|
||
// content inset.
|
||
CLLocationCoordinate2D oldCenter = self.centerCoordinate;
|
||
|
||
_contentInset = contentInset;
|
||
|
||
if (self.userTrackingMode == MGLUserTrackingModeNone)
|
||
{
|
||
// Don’t call -setCenterCoordinate:, which resets the user tracking mode.
|
||
[self _setCenterCoordinate:oldCenter animated:animated];
|
||
}
|
||
else
|
||
{
|
||
[self didUpdateLocationWithUserTrackingAnimated:animated];
|
||
}
|
||
|
||
// Compass, logo and attribution button constraints needs to be updated.
|
||
[self setNeedsUpdateConstraints];
|
||
}
|
||
|
||
/// Returns the frame of inset content within the map view.
|
||
- (CGRect)contentFrame
|
||
{
|
||
return UIEdgeInsetsInsetRect(self.bounds, self.contentInset);
|
||
}
|
||
|
||
/// Returns the center point of the inset content within the map view.
|
||
- (CGPoint)contentCenter
|
||
{
|
||
CGRect contentFrame = self.contentFrame;
|
||
return CGPointMake(CGRectGetMidX(contentFrame), CGRectGetMidY(contentFrame));
|
||
}
|
||
|
||
#pragma mark - Life Cycle -
|
||
|
||
- (void)updateFromDisplayLink
|
||
{
|
||
MGLAssertIsMainThread();
|
||
|
||
if (_needsDisplayRefresh)
|
||
{
|
||
_needsDisplayRefresh = NO;
|
||
|
||
[self.glView display];
|
||
}
|
||
|
||
if (self.experimental_enableFrameRateMeasurement)
|
||
{
|
||
CFTimeInterval now = CACurrentMediaTime();
|
||
|
||
self.frameTime = now - _displayLink.timestamp;
|
||
_frameDurations += self.frameTime;
|
||
|
||
_frameCount++;
|
||
|
||
CFTimeInterval elapsed = now - _frameCounterStartTime;
|
||
|
||
if (elapsed >= 1.0) {
|
||
self.averageFrameRate = _frameCount / elapsed;
|
||
self.averageFrameTime = (_frameDurations / _frameCount) * 1000;
|
||
|
||
_frameCount = 0;
|
||
_frameDurations = 0;
|
||
_frameCounterStartTime = now;
|
||
}
|
||
}
|
||
}
|
||
|
||
- (void)setNeedsGLDisplay
|
||
{
|
||
MGLAssertIsMainThread();
|
||
|
||
_needsDisplayRefresh = YES;
|
||
}
|
||
|
||
- (void)willTerminate
|
||
{
|
||
MGLAssertIsMainThread();
|
||
|
||
if ( ! self.dormant)
|
||
{
|
||
[self validateDisplayLink];
|
||
self.dormant = YES;
|
||
[self.glView deleteDrawable];
|
||
}
|
||
}
|
||
|
||
- (void)validateDisplayLink
|
||
{
|
||
BOOL isVisible = self.superview && self.window;
|
||
if (isVisible && ! _displayLink)
|
||
{
|
||
if (_mbglMap->getConstrainMode() == mbgl::ConstrainMode::None)
|
||
{
|
||
_mbglMap->setConstrainMode(mbgl::ConstrainMode::HeightOnly);
|
||
}
|
||
|
||
_displayLink = [CADisplayLink displayLinkWithTarget:self selector:@selector(updateFromDisplayLink)];
|
||
[self updateDisplayLinkPreferredFramesPerSecond];
|
||
[_displayLink addToRunLoop:[NSRunLoop currentRunLoop] forMode:NSRunLoopCommonModes];
|
||
_needsDisplayRefresh = YES;
|
||
[self updateFromDisplayLink];
|
||
}
|
||
else if ( ! isVisible && _displayLink)
|
||
{
|
||
[_displayLink invalidate];
|
||
_displayLink = nil;
|
||
}
|
||
}
|
||
|
||
- (void)updateDisplayLinkPreferredFramesPerSecond
|
||
{
|
||
if (!_displayLink)
|
||
{
|
||
return;
|
||
}
|
||
|
||
NSInteger newFrameRate;
|
||
if (_preferredFramesPerSecond == MGLMapViewPreferredFramesPerSecondDefault)
|
||
{
|
||
// On legacy devices that cannot maintain a reasonable frame rate, set
|
||
// a lower limit to avoid jank.
|
||
newFrameRate = UIDevice.currentDevice.mgl_isLegacyDevice ? MGLMapViewPreferredFramesPerSecondLowPower : MGLMapViewPreferredFramesPerSecondMaximum;
|
||
}
|
||
else
|
||
{
|
||
newFrameRate = _preferredFramesPerSecond;
|
||
}
|
||
|
||
if (@available(iOS 10.0, *))
|
||
{
|
||
_displayLink.preferredFramesPerSecond = newFrameRate;
|
||
}
|
||
else
|
||
{
|
||
// CADisplayLink.frameInterval does not support more than 60 FPS (and
|
||
// no device that supports >60 FPS ever supported iOS 9).
|
||
NSInteger maximumFrameRate = 60;
|
||
_displayLink.frameInterval = maximumFrameRate / MIN(newFrameRate, maximumFrameRate);
|
||
}
|
||
}
|
||
|
||
- (void)setPreferredFramesPerSecond:(MGLMapViewPreferredFramesPerSecond)preferredFramesPerSecond
|
||
{
|
||
if (_preferredFramesPerSecond == preferredFramesPerSecond)
|
||
{
|
||
return;
|
||
}
|
||
|
||
_preferredFramesPerSecond = preferredFramesPerSecond;
|
||
[self updateDisplayLinkPreferredFramesPerSecond];
|
||
}
|
||
|
||
- (void)didMoveToWindow
|
||
{
|
||
[self validateDisplayLink];
|
||
[super didMoveToWindow];
|
||
}
|
||
|
||
- (void)didMoveToSuperview
|
||
{
|
||
[self validateDisplayLink];
|
||
[super didMoveToSuperview];
|
||
}
|
||
|
||
- (void)deviceOrientationDidChange:(__unused NSNotification *)notification
|
||
{
|
||
[self setNeedsLayout];
|
||
}
|
||
|
||
- (void)sleepGL:(__unused NSNotification *)notification
|
||
{
|
||
MGLAssertIsMainThread();
|
||
|
||
// Ideally we would wait until we actually received a memory warning but the bulk of the memory
|
||
// we have to release is tied up in GL buffers that we can't touch once we're in the background.
|
||
// Compromise position: release everything but currently rendering tiles
|
||
// A possible improvement would be to store a copy of the GL buffers that we could use to rapidly
|
||
// restart, but that we could also discard in response to a memory warning.
|
||
_rendererFrontend->reduceMemoryUse();
|
||
|
||
if ( ! self.dormant)
|
||
{
|
||
self.dormant = YES;
|
||
|
||
[self validateLocationServices];
|
||
|
||
[MGLMapboxEvents flush];
|
||
|
||
_displayLink.paused = YES;
|
||
|
||
if ( ! self.glSnapshotView)
|
||
{
|
||
self.glSnapshotView = [[UIImageView alloc] initWithFrame:self.glView.frame];
|
||
self.glSnapshotView.autoresizingMask = self.glView.autoresizingMask;
|
||
self.glSnapshotView.contentMode = UIViewContentModeCenter;
|
||
[self insertSubview:self.glSnapshotView aboveSubview:self.glView];
|
||
}
|
||
|
||
self.glSnapshotView.image = self.glView.snapshot;
|
||
self.glSnapshotView.hidden = NO;
|
||
|
||
if (self.debugMask && [self.glSnapshotView.subviews count] == 0)
|
||
{
|
||
UIView *snapshotTint = [[UIView alloc] initWithFrame:self.glSnapshotView.bounds];
|
||
snapshotTint.autoresizingMask = self.glSnapshotView.autoresizingMask;
|
||
snapshotTint.backgroundColor = [[UIColor redColor] colorWithAlphaComponent:0.25];
|
||
[self.glSnapshotView addSubview:snapshotTint];
|
||
}
|
||
|
||
[self.glView deleteDrawable];
|
||
}
|
||
}
|
||
|
||
- (void)wakeGL:(__unused NSNotification *)notification
|
||
{
|
||
MGLAssertIsMainThread();
|
||
|
||
if (self.dormant && [UIApplication sharedApplication].applicationState != UIApplicationStateBackground)
|
||
{
|
||
self.dormant = NO;
|
||
|
||
[self createGLView];
|
||
|
||
self.glSnapshotView.hidden = YES;
|
||
|
||
[self.glSnapshotView.subviews makeObjectsPerformSelector:@selector(removeFromSuperview)];
|
||
|
||
[self.glView bindDrawable];
|
||
|
||
_displayLink.paused = NO;
|
||
|
||
[self validateLocationServices];
|
||
|
||
[MGLMapboxEvents pushTurnstileEvent];
|
||
[MGLMapboxEvents pushEvent:MMEEventTypeMapLoad withAttributes:@{}];
|
||
}
|
||
}
|
||
|
||
- (void)setHidden:(BOOL)hidden
|
||
{
|
||
super.hidden = hidden;
|
||
_displayLink.paused = hidden;
|
||
}
|
||
|
||
- (void)tintColorDidChange
|
||
{
|
||
for (UIView *subview in self.subviews) [self updateTintColorForView:subview];
|
||
}
|
||
|
||
- (void)updateTintColorForView:(UIView *)view
|
||
{
|
||
// Don't update:
|
||
// - annotation views
|
||
// - attribution button (handled automatically)
|
||
if ([view isEqual:self.annotationContainerView] || [view isEqual:self.attributionButton]) return;
|
||
|
||
if ([view respondsToSelector:@selector(setTintColor:)]) view.tintColor = self.tintColor;
|
||
|
||
for (UIView *subview in view.subviews) [self updateTintColorForView:subview];
|
||
}
|
||
|
||
- (BOOL)canBecomeFirstResponder {
|
||
return YES;
|
||
}
|
||
|
||
#pragma mark - Gestures -
|
||
|
||
- (void)handleCompassTapGesture:(__unused id)sender
|
||
{
|
||
self.cameraChangeReasonBitmask |= MGLCameraChangeReasonResetNorth;
|
||
|
||
[self resetNorthAnimated:YES];
|
||
|
||
if (self.userTrackingMode == MGLUserTrackingModeFollowWithHeading ||
|
||
self.userTrackingMode == MGLUserTrackingModeFollowWithCourse)
|
||
{
|
||
self.userTrackingMode = MGLUserTrackingModeFollow;
|
||
}
|
||
}
|
||
|
||
- (void)touchesBegan:(__unused NSSet<UITouch *> *)touches withEvent:(__unused UIEvent *)event
|
||
{
|
||
_mbglMap->setGestureInProgress(false);
|
||
if (self.userTrackingState == MGLUserTrackingStateBegan)
|
||
{
|
||
[self setUserTrackingMode:MGLUserTrackingModeNone animated:NO];
|
||
}
|
||
[self cancelTransitions];
|
||
}
|
||
|
||
- (void)notifyGestureDidBegin {
|
||
BOOL animated = NO;
|
||
|
||
[self cameraWillChangeAnimated:animated];
|
||
_mbglMap->setGestureInProgress(true);
|
||
_changeDelimiterSuppressionDepth++;
|
||
}
|
||
|
||
- (void)notifyGestureDidEndWithDrift:(BOOL)drift {
|
||
_changeDelimiterSuppressionDepth--;
|
||
NSAssert(_changeDelimiterSuppressionDepth >= 0,
|
||
@"Unbalanced change delimiter suppression/unsuppression");
|
||
if (_changeDelimiterSuppressionDepth == 0) {
|
||
_mbglMap->setGestureInProgress(false);
|
||
}
|
||
if ( ! drift)
|
||
{
|
||
BOOL animated = NO;
|
||
[self cameraDidChangeAnimated:animated];
|
||
}
|
||
}
|
||
|
||
- (BOOL)isSuppressingChangeDelimiters {
|
||
return _changeDelimiterSuppressionDepth > 0;
|
||
}
|
||
|
||
- (BOOL)_shouldChangeFromCamera:(nonnull MGLMapCamera *)oldCamera toCamera:(nonnull MGLMapCamera *)newCamera
|
||
{
|
||
// Check delegates first
|
||
if ([self.delegate respondsToSelector:@selector(mapView:shouldChangeFromCamera:toCamera:reason:)])
|
||
{
|
||
return [self.delegate mapView:self shouldChangeFromCamera:oldCamera toCamera:newCamera reason:self.cameraChangeReasonBitmask];
|
||
}
|
||
else if ([self.delegate respondsToSelector:@selector(mapView:shouldChangeFromCamera:toCamera:)])
|
||
{
|
||
return [self.delegate mapView:self shouldChangeFromCamera:oldCamera toCamera:newCamera];
|
||
}
|
||
else
|
||
{
|
||
return YES;
|
||
}
|
||
}
|
||
|
||
- (void)handlePanGesture:(UIPanGestureRecognizer *)pan
|
||
{
|
||
if ( ! self.isScrollEnabled) return;
|
||
|
||
[self cancelTransitions];
|
||
|
||
MGLMapCamera *oldCamera = self.camera;
|
||
|
||
self.cameraChangeReasonBitmask |= MGLCameraChangeReasonGesturePan;
|
||
|
||
if (pan.state == UIGestureRecognizerStateBegan)
|
||
{
|
||
[self trackGestureEvent:MMEEventGesturePanStart forRecognizer:pan];
|
||
|
||
self.userTrackingMode = MGLUserTrackingModeNone;
|
||
|
||
[self notifyGestureDidBegin];
|
||
}
|
||
else if (pan.state == UIGestureRecognizerStateChanged)
|
||
{
|
||
CGPoint delta = [pan translationInView:pan.view];
|
||
|
||
MGLMapCamera *toCamera = [self cameraByPanningWithTranslation:delta panGesture:pan];
|
||
|
||
if ([self _shouldChangeFromCamera:oldCamera toCamera:toCamera])
|
||
{
|
||
_mbglMap->moveBy({ delta.x, delta.y });
|
||
[pan setTranslation:CGPointZero inView:pan.view];
|
||
}
|
||
|
||
[self cameraIsChanging];
|
||
}
|
||
else if (pan.state == UIGestureRecognizerStateEnded || pan.state == UIGestureRecognizerStateCancelled)
|
||
{
|
||
CGPoint velocity = [pan velocityInView:pan.view];
|
||
if (self.decelerationRate == MGLMapViewDecelerationRateImmediate || sqrtf(velocity.x * velocity.x + velocity.y * velocity.y) < 100)
|
||
{
|
||
// Not enough velocity to overcome friction
|
||
velocity = CGPointZero;
|
||
}
|
||
|
||
BOOL drift = ! CGPointEqualToPoint(velocity, CGPointZero);
|
||
if (drift)
|
||
{
|
||
CGPoint offset = CGPointMake(velocity.x * self.decelerationRate / 4, velocity.y * self.decelerationRate / 4);
|
||
MGLMapCamera *toCamera = [self cameraByPanningWithTranslation:offset panGesture:pan];
|
||
|
||
if ([self _shouldChangeFromCamera:oldCamera toCamera:toCamera])
|
||
{
|
||
_mbglMap->moveBy({ offset.x, offset.y }, MGLDurationFromTimeInterval(self.decelerationRate));
|
||
}
|
||
}
|
||
|
||
[self notifyGestureDidEndWithDrift:drift];
|
||
|
||
// metrics: pan end
|
||
CGPoint pointInView = CGPointMake([pan locationInView:pan.view].x, [pan locationInView:pan.view].y);
|
||
CLLocationCoordinate2D panCoordinate = [self convertPoint:pointInView toCoordinateFromView:pan.view];
|
||
int zoom = round([self zoomLevel]);
|
||
|
||
[MGLMapboxEvents pushEvent:MMEEventTypeMapDragEnd withAttributes:@{
|
||
MMEEventKeyLatitude: @(panCoordinate.latitude),
|
||
MMEEventKeyLongitude: @(panCoordinate.longitude),
|
||
MMEEventKeyZoomLevel: @(zoom)
|
||
}];
|
||
}
|
||
|
||
}
|
||
|
||
- (void)handlePinchGesture:(UIPinchGestureRecognizer *)pinch
|
||
{
|
||
if ( ! self.isZoomEnabled) return;
|
||
|
||
[self cancelTransitions];
|
||
|
||
CGPoint centerPoint = [self anchorPointForGesture:pinch];
|
||
MGLMapCamera *oldCamera = self.camera;
|
||
|
||
self.cameraChangeReasonBitmask |= MGLCameraChangeReasonGesturePinch;
|
||
|
||
if (pinch.state == UIGestureRecognizerStateBegan)
|
||
{
|
||
[self trackGestureEvent:MMEEventGesturePinchStart forRecognizer:pinch];
|
||
|
||
self.scale = powf(2, _mbglMap->getZoom());
|
||
|
||
[self notifyGestureDidBegin];
|
||
}
|
||
else if (pinch.state == UIGestureRecognizerStateChanged)
|
||
{
|
||
// Zoom limiting happens at the core level.
|
||
CGFloat newScale = self.scale * pinch.scale;
|
||
double newZoom = log2(newScale);
|
||
|
||
// Calculates the final camera zoom, has no effect within current map camera.
|
||
MGLMapCamera *toCamera = [self cameraByZoomingToZoomLevel:newZoom aroundAnchorPoint:centerPoint];
|
||
|
||
if ([self _shouldChangeFromCamera:oldCamera toCamera:toCamera])
|
||
{
|
||
_mbglMap->setZoom(newZoom, mbgl::ScreenCoordinate { centerPoint.x, centerPoint.y });
|
||
// The gesture recognizer only reports the gesture’s current center
|
||
// point, so use the previous center point to anchor the transition.
|
||
// If the number of touches has changed, the remembered center point is
|
||
// meaningless.
|
||
if (self.userTrackingMode == MGLUserTrackingModeNone && pinch.numberOfTouches == _previousPinchNumberOfTouches)
|
||
{
|
||
CLLocationCoordinate2D centerCoordinate = _previousPinchCenterCoordinate;
|
||
_mbglMap->setLatLng(MGLLatLngFromLocationCoordinate2D(centerCoordinate),
|
||
mbgl::ScreenCoordinate { centerPoint.x, centerPoint.y });
|
||
}
|
||
}
|
||
[self cameraIsChanging];
|
||
}
|
||
else if (pinch.state == UIGestureRecognizerStateEnded || pinch.state == UIGestureRecognizerStateCancelled)
|
||
{
|
||
CGFloat velocity = pinch.velocity;
|
||
if (isnan(velocity))
|
||
{
|
||
// UIPinchGestureRecognizer sometimes returns NaN for the velocity
|
||
velocity = 0;
|
||
}
|
||
if (velocity > -0.5 && velocity < 3)
|
||
{
|
||
velocity = 0;
|
||
}
|
||
|
||
NSTimeInterval duration = (velocity > 0 ? 1 : 0.25) * self.decelerationRate;
|
||
|
||
CGFloat scale = self.scale * pinch.scale;
|
||
CGFloat newScale = scale;
|
||
if (velocity >= 0)
|
||
{
|
||
newScale += scale * velocity * duration * 0.1;
|
||
}
|
||
else
|
||
{
|
||
newScale += scale / (velocity * duration) * 0.1;
|
||
}
|
||
|
||
if (newScale <= 0 || log2(newScale) < _mbglMap->getMinZoom())
|
||
{
|
||
velocity = 0;
|
||
}
|
||
|
||
BOOL drift = velocity && duration;
|
||
|
||
// Calculates the final camera zoom, this has no effect within current map camera.
|
||
double zoom = log2(newScale);
|
||
MGLMapCamera *toCamera = [self cameraByZoomingToZoomLevel:zoom aroundAnchorPoint:centerPoint];
|
||
|
||
if ( ! [self _shouldChangeFromCamera:oldCamera toCamera:toCamera])
|
||
{
|
||
drift = NO;
|
||
}
|
||
else
|
||
{
|
||
if (drift)
|
||
{
|
||
_mbglMap->setZoom(zoom, mbgl::ScreenCoordinate { centerPoint.x, centerPoint.y }, MGLDurationFromTimeInterval(duration));
|
||
}
|
||
}
|
||
|
||
[self notifyGestureDidEndWithDrift:drift];
|
||
[self unrotateIfNeededForGesture];
|
||
}
|
||
|
||
_previousPinchCenterCoordinate = [self convertPoint:centerPoint toCoordinateFromView:self];
|
||
_previousPinchNumberOfTouches = pinch.numberOfTouches;
|
||
}
|
||
|
||
- (void)handleRotateGesture:(UIRotationGestureRecognizer *)rotate
|
||
{
|
||
if ( ! self.isRotateEnabled) return;
|
||
|
||
[self cancelTransitions];
|
||
|
||
CGPoint centerPoint = [self anchorPointForGesture:rotate];
|
||
MGLMapCamera *oldCamera = self.camera;
|
||
|
||
self.cameraChangeReasonBitmask |= MGLCameraChangeReasonGestureRotate;
|
||
|
||
if (rotate.state == UIGestureRecognizerStateBegan)
|
||
{
|
||
[self trackGestureEvent:MMEEventGestureRotateStart forRecognizer:rotate];
|
||
|
||
self.angle = MGLRadiansFromDegrees(_mbglMap->getBearing()) * -1;
|
||
|
||
if (self.userTrackingMode != MGLUserTrackingModeNone)
|
||
{
|
||
self.userTrackingMode = MGLUserTrackingModeFollow;
|
||
}
|
||
|
||
self.shouldTriggerHapticFeedbackForCompass = NO;
|
||
|
||
[self notifyGestureDidBegin];
|
||
}
|
||
else if (rotate.state == UIGestureRecognizerStateChanged)
|
||
{
|
||
CGFloat newDegrees = MGLDegreesFromRadians(self.angle + rotate.rotation) * -1;
|
||
|
||
// constrain to +/-30 degrees when merely rotating like Apple does
|
||
//
|
||
if ( ! self.isRotationAllowed && std::abs(self.pinch.scale) < 10)
|
||
{
|
||
newDegrees = fminf(newDegrees, 30);
|
||
newDegrees = fmaxf(newDegrees, -30);
|
||
}
|
||
|
||
MGLMapCamera *toCamera = [self cameraByRotatingToDirection:newDegrees aroundAnchorPoint:centerPoint];
|
||
|
||
if ([self _shouldChangeFromCamera:oldCamera toCamera:toCamera])
|
||
{
|
||
_mbglMap->setBearing(newDegrees, mbgl::ScreenCoordinate { centerPoint.x, centerPoint.y });
|
||
}
|
||
|
||
[self cameraIsChanging];
|
||
|
||
// Trigger a light haptic feedback event when the user rotates to due north.
|
||
if (@available(iOS 10.0, *))
|
||
{
|
||
if (self.isHapticFeedbackEnabled && fabs(newDegrees) <= 1 && self.shouldTriggerHapticFeedbackForCompass)
|
||
{
|
||
UIImpactFeedbackGenerator *hapticFeedback = [[UIImpactFeedbackGenerator alloc] initWithStyle:UIImpactFeedbackStyleLight];
|
||
[hapticFeedback impactOccurred];
|
||
|
||
self.shouldTriggerHapticFeedbackForCompass = NO;
|
||
}
|
||
else if (fabs(newDegrees) > 1)
|
||
{
|
||
self.shouldTriggerHapticFeedbackForCompass = YES;
|
||
}
|
||
}
|
||
}
|
||
else if (rotate.state == UIGestureRecognizerStateEnded || rotate.state == UIGestureRecognizerStateCancelled)
|
||
{
|
||
CGFloat velocity = rotate.velocity;
|
||
CGFloat decelerationRate = self.decelerationRate;
|
||
if (decelerationRate != MGLMapViewDecelerationRateImmediate && fabs(velocity) > 3)
|
||
{
|
||
CGFloat radians = self.angle + rotate.rotation;
|
||
CGFloat newRadians = radians + velocity * decelerationRate * 0.1;
|
||
CGFloat newDegrees = MGLDegreesFromRadians(newRadians) * -1;
|
||
|
||
MGLMapCamera *toCamera = [self cameraByRotatingToDirection:newDegrees aroundAnchorPoint:centerPoint];
|
||
|
||
if ([self _shouldChangeFromCamera:oldCamera toCamera:toCamera])
|
||
{
|
||
_mbglMap->setBearing(newDegrees, mbgl::ScreenCoordinate { centerPoint.x, centerPoint.y }, MGLDurationFromTimeInterval(decelerationRate));
|
||
|
||
[self notifyGestureDidEndWithDrift:YES];
|
||
|
||
__weak MGLMapView *weakSelf = self;
|
||
|
||
[self animateWithDelay:decelerationRate animations:^
|
||
{
|
||
[weakSelf unrotateIfNeededForGesture];
|
||
}];
|
||
}
|
||
}
|
||
else
|
||
{
|
||
[self notifyGestureDidEndWithDrift:NO];
|
||
[self unrotateIfNeededForGesture];
|
||
}
|
||
}
|
||
}
|
||
|
||
- (void)handleSingleTapGesture:(UITapGestureRecognizer *)singleTap
|
||
{
|
||
if (singleTap.state != UIGestureRecognizerStateRecognized) return;
|
||
|
||
[self trackGestureEvent:MMEEventGestureSingleTap forRecognizer:singleTap];
|
||
|
||
if (self.mapViewProxyAccessibilityElement.accessibilityElementIsFocused)
|
||
{
|
||
id nextElement;
|
||
if (_userLocationAnnotationIsSelected)
|
||
{
|
||
nextElement = self.userLocationAnnotationView;
|
||
}
|
||
else
|
||
{
|
||
if (_selectedAnnotationTag != MGLAnnotationTagNotFound) {
|
||
nextElement = _annotationContextsByAnnotationTag.at(_selectedAnnotationTag).accessibilityElement;
|
||
}
|
||
}
|
||
[self deselectAnnotation:self.selectedAnnotation animated:YES];
|
||
UIAccessibilityPostNotification(UIAccessibilityScreenChangedNotification, nextElement);
|
||
|
||
return;
|
||
}
|
||
|
||
id<MGLAnnotation> annotation = [self annotationForGestureRecognizer:singleTap persistingResults:YES];
|
||
if (annotation)
|
||
{
|
||
CGPoint calloutPoint = [singleTap locationInView:self];
|
||
CGRect positionRect = [self positioningRectForAnnotation:annotation defaultCalloutPoint:calloutPoint];
|
||
[self selectAnnotation:annotation moveOnscreen:YES animateSelection:YES calloutPositioningRect:positionRect];
|
||
}
|
||
else if (self.selectedAnnotation)
|
||
{
|
||
[self deselectAnnotation:self.selectedAnnotation animated:YES];
|
||
}
|
||
}
|
||
|
||
/**
|
||
Returns the annotation that would be selected by a tap gesture recognizer.
|
||
|
||
This is used when a gesture is recognized, and to check if the gesture should be recognized.
|
||
|
||
@param singleTap An in progress tap gesture recognizer.
|
||
@param persist True to remember the cycleable set of annotations. @see annotationTagAtPoint:persistingResults
|
||
*/
|
||
- (nullable id <MGLAnnotation>)annotationForGestureRecognizer:(UITapGestureRecognizer*)singleTap persistingResults:(BOOL)persist
|
||
{
|
||
CGPoint tapPoint = [singleTap locationInView:self];
|
||
|
||
if (self.userLocationVisible)
|
||
{
|
||
CGPoint tapPointForUserLocation;
|
||
if (self.userLocationAnnotationView.hitTestLayer == self.userLocationAnnotationView.layer.presentationLayer)
|
||
{
|
||
tapPointForUserLocation = tapPoint;
|
||
}
|
||
else
|
||
{
|
||
// Get the tap point within the custom hit test layer.
|
||
tapPointForUserLocation = [singleTap locationInView:self.userLocationAnnotationView];
|
||
}
|
||
|
||
CALayer *hitLayer = [self.userLocationAnnotationView.hitTestLayer hitTest:tapPointForUserLocation];
|
||
|
||
if (hitLayer)
|
||
{
|
||
if ( ! _userLocationAnnotationIsSelected)
|
||
{
|
||
return self.userLocation;
|
||
}
|
||
return nil;
|
||
}
|
||
}
|
||
|
||
MGLAnnotationTag hitAnnotationTag = [self annotationTagAtPoint:tapPoint persistingResults:persist];
|
||
if (hitAnnotationTag != MGLAnnotationTagNotFound)
|
||
{
|
||
if (hitAnnotationTag != _selectedAnnotationTag)
|
||
{
|
||
id <MGLAnnotation> annotation = [self annotationWithTag:hitAnnotationTag];
|
||
NSAssert(annotation, @"Cannot select nonexistent annotation with tag %u", hitAnnotationTag);
|
||
return annotation;
|
||
}
|
||
}
|
||
|
||
return nil;
|
||
}
|
||
|
||
- (void)handleDoubleTapGesture:(UITapGestureRecognizer *)doubleTap
|
||
{
|
||
if (doubleTap.state != UIGestureRecognizerStateRecognized) return;
|
||
|
||
if ( ! self.isZoomEnabled) return;
|
||
|
||
[self cancelTransitions];
|
||
|
||
self.cameraChangeReasonBitmask |= MGLCameraChangeReasonGestureZoomIn;
|
||
|
||
MGLMapCamera *oldCamera = self.camera;
|
||
|
||
double newZoom = round(self.zoomLevel) + 1.0;
|
||
|
||
CGPoint gesturePoint = [self anchorPointForGesture:doubleTap];
|
||
|
||
MGLMapCamera *toCamera = [self cameraByZoomingToZoomLevel:newZoom aroundAnchorPoint:gesturePoint];
|
||
|
||
if ([self _shouldChangeFromCamera:oldCamera toCamera:toCamera])
|
||
{
|
||
[self trackGestureEvent:MMEEventGestureDoubleTap forRecognizer:doubleTap];
|
||
|
||
mbgl::ScreenCoordinate center(gesturePoint.x, gesturePoint.y);
|
||
_mbglMap->setZoom(newZoom, center, MGLDurationFromTimeInterval(MGLAnimationDuration));
|
||
|
||
__weak MGLMapView *weakSelf = self;
|
||
|
||
[self animateWithDelay:MGLAnimationDuration animations:^
|
||
{
|
||
[weakSelf unrotateIfNeededForGesture];
|
||
}];
|
||
}
|
||
else
|
||
{
|
||
[self unrotateIfNeededForGesture];
|
||
}
|
||
}
|
||
|
||
- (void)handleTwoFingerTapGesture:(UITapGestureRecognizer *)twoFingerTap
|
||
{
|
||
if (twoFingerTap.state != UIGestureRecognizerStateRecognized) return;
|
||
|
||
if ( ! self.isZoomEnabled) return;
|
||
|
||
if (_mbglMap->getZoom() == _mbglMap->getMinZoom()) return;
|
||
|
||
[self cancelTransitions];
|
||
|
||
self.cameraChangeReasonBitmask |= MGLCameraChangeReasonGestureZoomOut;
|
||
|
||
MGLMapCamera *oldCamera = self.camera;
|
||
|
||
double newZoom = round(self.zoomLevel) - 1.0;
|
||
|
||
CGPoint gesturePoint = [self anchorPointForGesture:twoFingerTap];
|
||
|
||
MGLMapCamera *toCamera = [self cameraByZoomingToZoomLevel:newZoom aroundAnchorPoint:gesturePoint];
|
||
|
||
if ([self _shouldChangeFromCamera:oldCamera toCamera:toCamera])
|
||
{
|
||
[self trackGestureEvent:MMEEventGestureTwoFingerSingleTap forRecognizer:twoFingerTap];
|
||
|
||
mbgl::ScreenCoordinate center(gesturePoint.x, gesturePoint.y);
|
||
_mbglMap->setZoom(newZoom, center, MGLDurationFromTimeInterval(MGLAnimationDuration));
|
||
|
||
__weak MGLMapView *weakSelf = self;
|
||
|
||
[self animateWithDelay:MGLAnimationDuration animations:^
|
||
{
|
||
[weakSelf unrotateIfNeededForGesture];
|
||
}];
|
||
}
|
||
}
|
||
|
||
- (void)handleQuickZoomGesture:(UILongPressGestureRecognizer *)quickZoom
|
||
{
|
||
if ( ! self.isZoomEnabled) return;
|
||
|
||
[self cancelTransitions];
|
||
|
||
self.cameraChangeReasonBitmask |= MGLCameraChangeReasonGestureOneFingerZoom;
|
||
|
||
if (quickZoom.state == UIGestureRecognizerStateBegan)
|
||
{
|
||
[self trackGestureEvent:MMEEventGestureQuickZoom forRecognizer:quickZoom];
|
||
|
||
self.scale = powf(2, _mbglMap->getZoom());
|
||
|
||
self.quickZoomStart = [quickZoom locationInView:quickZoom.view].y;
|
||
|
||
[self notifyGestureDidBegin];
|
||
}
|
||
else if (quickZoom.state == UIGestureRecognizerStateChanged)
|
||
{
|
||
CGFloat distance = [quickZoom locationInView:quickZoom.view].y - self.quickZoomStart;
|
||
|
||
CGFloat newZoom = MAX(log2f(self.scale) + (distance / 75), _mbglMap->getMinZoom());
|
||
|
||
if (_mbglMap->getZoom() == newZoom) return;
|
||
|
||
CGPoint centerPoint = [self anchorPointForGesture:quickZoom];
|
||
|
||
MGLMapCamera *oldCamera = self.camera;
|
||
MGLMapCamera *toCamera = [self cameraByZoomingToZoomLevel:newZoom aroundAnchorPoint:centerPoint];
|
||
|
||
if ([self _shouldChangeFromCamera:oldCamera toCamera:toCamera])
|
||
{
|
||
_mbglMap->setZoom(newZoom, mbgl::ScreenCoordinate { centerPoint.x, centerPoint.y });
|
||
}
|
||
|
||
[self cameraIsChanging];
|
||
}
|
||
else if (quickZoom.state == UIGestureRecognizerStateEnded || quickZoom.state == UIGestureRecognizerStateCancelled)
|
||
{
|
||
[self notifyGestureDidEndWithDrift:NO];
|
||
[self unrotateIfNeededForGesture];
|
||
}
|
||
}
|
||
|
||
- (void)handleTwoFingerDragGesture:(UIPanGestureRecognizer *)twoFingerDrag
|
||
{
|
||
if ( ! self.isPitchEnabled) return;
|
||
|
||
[self cancelTransitions];
|
||
|
||
self.cameraChangeReasonBitmask |= MGLCameraChangeReasonGestureTilt;
|
||
|
||
if (twoFingerDrag.state == UIGestureRecognizerStateBegan)
|
||
{
|
||
[self trackGestureEvent:MMEEventGesturePitchStart forRecognizer:twoFingerDrag];
|
||
[self notifyGestureDidBegin];
|
||
}
|
||
|
||
if (twoFingerDrag.state == UIGestureRecognizerStateBegan || twoFingerDrag.state == UIGestureRecognizerStateChanged)
|
||
{
|
||
CGFloat gestureDistance = CGPoint([twoFingerDrag translationInView:twoFingerDrag.view]).y;
|
||
CGFloat currentPitch = _mbglMap->getPitch();
|
||
CGFloat slowdown = 20.0;
|
||
|
||
CGFloat pitchNew = currentPitch - (gestureDistance / slowdown);
|
||
|
||
CGPoint centerPoint = [self anchorPointForGesture:twoFingerDrag];
|
||
|
||
MGLMapCamera *oldCamera = self.camera;
|
||
MGLMapCamera *toCamera = [self cameraByTiltingToPitch:pitchNew];
|
||
|
||
if ([self _shouldChangeFromCamera:oldCamera toCamera:toCamera])
|
||
{
|
||
_mbglMap->setPitch(pitchNew, mbgl::ScreenCoordinate { centerPoint.x, centerPoint.y });
|
||
}
|
||
|
||
[self cameraIsChanging];
|
||
}
|
||
else if (twoFingerDrag.state == UIGestureRecognizerStateEnded || twoFingerDrag.state == UIGestureRecognizerStateCancelled)
|
||
{
|
||
[self notifyGestureDidEndWithDrift:NO];
|
||
[self unrotateIfNeededForGesture];
|
||
}
|
||
|
||
}
|
||
|
||
- (MGLMapCamera *)cameraByPanningWithTranslation:(CGPoint)endPoint panGesture:(UIPanGestureRecognizer *)pan
|
||
{
|
||
MGLMapCamera *panCamera = [self.camera copy];
|
||
|
||
CGPoint centerPoint = CGPointMake(CGRectGetMidX(self.bounds), CGRectGetMidY(self.bounds));
|
||
CGPoint endCameraPoint = CGPointMake(centerPoint.x - endPoint.x, centerPoint.y - endPoint.y);
|
||
CLLocationCoordinate2D panCoordinate = [self convertPoint:endCameraPoint toCoordinateFromView:pan.view];
|
||
|
||
panCamera.centerCoordinate = panCoordinate;
|
||
|
||
return panCamera;
|
||
}
|
||
|
||
- (MGLMapCamera *)cameraByZoomingToZoomLevel:(double)zoom aroundAnchorPoint:(CGPoint)anchorPoint
|
||
{
|
||
mbgl::ScreenCoordinate anchor = mbgl::ScreenCoordinate { anchorPoint.x, anchorPoint.y };
|
||
mbgl::EdgeInsets padding = mbgl::EdgeInsets(anchor.y, anchor.x, self.size.height - anchor.y, self.size.width - anchor.x);
|
||
mbgl::CameraOptions currentCameraOptions = _mbglMap->getCameraOptions(padding);
|
||
|
||
currentCameraOptions.zoom = mbgl::util::clamp(zoom, self.minimumZoomLevel, self.maximumZoomLevel);
|
||
currentCameraOptions.anchor = anchor;
|
||
MGLCoordinateBounds bounds = MGLCoordinateBoundsFromLatLngBounds(_mbglMap->latLngBoundsForCamera(currentCameraOptions));
|
||
|
||
return [self cameraThatFitsCoordinateBounds:bounds];
|
||
}
|
||
|
||
- (MGLMapCamera *)cameraByRotatingToDirection:(CLLocationDirection)degrees aroundAnchorPoint:(CGPoint)anchorPoint
|
||
{
|
||
mbgl::EdgeInsets padding = MGLEdgeInsetsFromNSEdgeInsets(self.contentInset);
|
||
mbgl::CameraOptions currentCameraOptions = _mbglMap->getCameraOptions(padding);
|
||
|
||
MGLMapCamera *camera;
|
||
|
||
mbgl::ScreenCoordinate anchor = mbgl::ScreenCoordinate { anchorPoint.x, anchorPoint.y };
|
||
currentCameraOptions.angle = degrees * mbgl::util::DEG2RAD;
|
||
currentCameraOptions.anchor = anchor;
|
||
camera = [self cameraForCameraOptions:currentCameraOptions];
|
||
|
||
return camera;
|
||
}
|
||
|
||
- (MGLMapCamera *)cameraByTiltingToPitch:(CGFloat)pitch
|
||
{
|
||
mbgl::EdgeInsets padding = MGLEdgeInsetsFromNSEdgeInsets(self.contentInset);
|
||
mbgl::CameraOptions currentCameraOptions = _mbglMap->getCameraOptions(padding);
|
||
|
||
MGLMapCamera *camera;
|
||
|
||
currentCameraOptions.pitch = pitch * mbgl::util::DEG2RAD;
|
||
camera = [self cameraForCameraOptions:currentCameraOptions];
|
||
|
||
return camera;
|
||
}
|
||
|
||
- (CGPoint)anchorPointForGesture:(UIGestureRecognizer *)gesture {
|
||
if (self.userTrackingMode != MGLUserTrackingModeNone)
|
||
{
|
||
return self.userLocationAnnotationViewCenter;
|
||
}
|
||
|
||
// Special case for two-finger drag and quickzoom
|
||
if ([gesture isKindOfClass:[UIPanGestureRecognizer class]] || [gesture isKindOfClass:[UILongPressGestureRecognizer class]])
|
||
{
|
||
return self.contentCenter;
|
||
}
|
||
|
||
return [gesture locationInView:gesture.view];
|
||
}
|
||
|
||
- (void)handleCalloutAccessoryTapGesture:(UITapGestureRecognizer *)tap
|
||
{
|
||
if ([self.delegate respondsToSelector:@selector(mapView:annotation:calloutAccessoryControlTapped:)])
|
||
{
|
||
NSAssert([tap.view isKindOfClass:[UIControl class]], @"Tapped view %@ is not a UIControl", tap.view);
|
||
id <MGLAnnotation> selectedAnnotation = self.selectedAnnotation;
|
||
NSAssert(selectedAnnotation, @"Selected annotation should not be nil.");
|
||
[self.delegate mapView:self annotation:selectedAnnotation
|
||
calloutAccessoryControlTapped:(UIControl *)tap.view];
|
||
}
|
||
}
|
||
|
||
- (BOOL)calloutViewShouldHighlight:(__unused MGLCompactCalloutView *)calloutView
|
||
{
|
||
return [self.delegate respondsToSelector:@selector(mapView:tapOnCalloutForAnnotation:)];
|
||
}
|
||
|
||
- (void)calloutViewClicked:(__unused MGLSMCalloutView *)calloutView
|
||
{
|
||
if ([self.delegate respondsToSelector:@selector(mapView:tapOnCalloutForAnnotation:)])
|
||
{
|
||
id <MGLAnnotation> selectedAnnotation = self.selectedAnnotation;
|
||
NSAssert(selectedAnnotation, @"Selected annotation should not be nil.");
|
||
[self.delegate mapView:self tapOnCalloutForAnnotation:selectedAnnotation];
|
||
}
|
||
}
|
||
|
||
- (void)calloutViewTapped:(__unused MGLCompactCalloutView *)calloutView
|
||
{
|
||
if ([self.delegate respondsToSelector:@selector(mapView:tapOnCalloutForAnnotation:)])
|
||
{
|
||
id <MGLAnnotation> selectedAnnotation = self.selectedAnnotation;
|
||
NSAssert(selectedAnnotation, @"Selected annotation should not be nil.");
|
||
[self.delegate mapView:self tapOnCalloutForAnnotation:selectedAnnotation];
|
||
}
|
||
}
|
||
|
||
- (void)calloutViewDidAppear:(UIView<MGLCalloutView> *)calloutView
|
||
{
|
||
UIAccessibilityPostNotification(UIAccessibilityScreenChangedNotification, nil);
|
||
UIAccessibilityPostNotification(UIAccessibilityLayoutChangedNotification, calloutView);
|
||
}
|
||
|
||
- (BOOL)gestureRecognizerShouldBegin:(UIGestureRecognizer *)gestureRecognizer
|
||
{
|
||
if ([gestureRecognizer isKindOfClass:[UIPanGestureRecognizer class]])
|
||
{
|
||
UIPanGestureRecognizer *panGesture = (UIPanGestureRecognizer *)gestureRecognizer;
|
||
|
||
if (panGesture.minimumNumberOfTouches == 2)
|
||
{
|
||
CGPoint west = [panGesture locationOfTouch:0 inView:panGesture.view];
|
||
CGPoint east = [panGesture locationOfTouch:1 inView:panGesture.view];
|
||
|
||
if (west.x > east.x) {
|
||
CGPoint swap = west;
|
||
west = east;
|
||
east = swap;
|
||
}
|
||
|
||
CLLocationDegrees horizontalToleranceDegrees = 60.0;
|
||
if ([self angleBetweenPoints:west east:east] > horizontalToleranceDegrees) {
|
||
return NO;
|
||
}
|
||
}
|
||
}
|
||
else if (gestureRecognizer == _singleTapGestureRecognizer)
|
||
{
|
||
// Gesture will be recognized if it could deselect an annotation
|
||
if(!self.selectedAnnotation)
|
||
{
|
||
id<MGLAnnotation> annotation = [self annotationForGestureRecognizer:(UITapGestureRecognizer*)gestureRecognizer persistingResults:NO];
|
||
if (!annotation) {
|
||
return NO;
|
||
}
|
||
}
|
||
}
|
||
return YES;
|
||
}
|
||
|
||
- (BOOL)gestureRecognizer:(UIGestureRecognizer *)gestureRecognizer shouldRecognizeSimultaneouslyWithGestureRecognizer:(UIGestureRecognizer *)otherGestureRecognizer
|
||
{
|
||
NSArray *validSimultaneousGestures = @[ self.pan, self.pinch, self.rotate ];
|
||
|
||
return ([validSimultaneousGestures containsObject:gestureRecognizer] && [validSimultaneousGestures containsObject:otherGestureRecognizer]);
|
||
}
|
||
|
||
- (CLLocationDegrees)angleBetweenPoints:(CGPoint)west east:(CGPoint)east
|
||
{
|
||
CGFloat slope = (west.y - east.y) / (west.x - east.x);
|
||
|
||
CGFloat angle = atan(fabs(slope));
|
||
CLLocationDegrees degrees = MGLDegreesFromRadians(angle);
|
||
|
||
return degrees;
|
||
}
|
||
|
||
- (void)trackGestureEvent:(NSString *)gestureID forRecognizer:(UIGestureRecognizer *)recognizer
|
||
{
|
||
CGPoint pointInView = CGPointMake([recognizer locationInView:recognizer.view].x, [recognizer locationInView:recognizer.view].y);
|
||
CLLocationCoordinate2D gestureCoordinate = [self convertPoint:pointInView toCoordinateFromView:recognizer.view];
|
||
int zoom = round([self zoomLevel]);
|
||
|
||
[MGLMapboxEvents pushEvent:MMEEventTypeMapTap withAttributes:@{
|
||
MMEEventKeyLatitude: @(gestureCoordinate.latitude),
|
||
MMEEventKeyLongitude: @(gestureCoordinate.longitude),
|
||
MMEEventKeyZoomLevel: @(zoom),
|
||
MMEEventKeyGestureID: gestureID
|
||
}];
|
||
}
|
||
|
||
#pragma mark - Attribution -
|
||
|
||
- (void)showAttribution:(id)sender
|
||
{
|
||
BOOL shouldShowVersion = [sender isKindOfClass:[UILongPressGestureRecognizer class]];
|
||
if (shouldShowVersion)
|
||
{
|
||
UILongPressGestureRecognizer *longPress = (UILongPressGestureRecognizer *)sender;
|
||
if (longPress.state != UIGestureRecognizerStateBegan)
|
||
{
|
||
return;
|
||
}
|
||
}
|
||
|
||
NSString *title = NSLocalizedStringWithDefaultValue(@"SDK_NAME", nil, nil, @"Mapbox Maps SDK for iOS", @"Action sheet title");
|
||
UIAlertController *attributionController = [UIAlertController alertControllerWithTitle:title
|
||
message:nil
|
||
preferredStyle:UIAlertControllerStyleActionSheet];
|
||
|
||
if (shouldShowVersion)
|
||
{
|
||
attributionController.title = [title stringByAppendingFormat:@" %@", [NSBundle mgl_frameworkInfoDictionary][@"MGLSemanticVersionString"]];
|
||
}
|
||
|
||
NSArray *attributionInfos = [self.style attributionInfosWithFontSize:[UIFont buttonFontSize]
|
||
linkColor:nil];
|
||
for (MGLAttributionInfo *info in attributionInfos)
|
||
{
|
||
NSString *title = [info.title.string mgl_titleCasedStringWithLocale:[NSLocale currentLocale]];
|
||
UIAlertAction *action = [UIAlertAction actionWithTitle:title
|
||
style:UIAlertActionStyleDefault
|
||
handler:^(UIAlertAction * _Nonnull action) {
|
||
NSURL *url = info.URL;
|
||
if (url)
|
||
{
|
||
if (info.feedbackLink)
|
||
{
|
||
MGLMapCamera *camera = self.camera;
|
||
url = [info feedbackURLForStyleURL:self.styleURL
|
||
atCenterCoordinate:camera.centerCoordinate
|
||
zoomLevel:self.zoomLevel
|
||
direction:camera.heading
|
||
pitch:camera.pitch];
|
||
}
|
||
[[UIApplication sharedApplication] openURL:url];
|
||
}
|
||
}];
|
||
[attributionController addAction:action];
|
||
}
|
||
|
||
NSString *telemetryTitle = NSLocalizedStringWithDefaultValue(@"TELEMETRY_NAME", nil, nil, @"Mapbox Telemetry", @"Action in attribution sheet");
|
||
UIAlertAction *telemetryAction = [UIAlertAction actionWithTitle:telemetryTitle
|
||
style:UIAlertActionStyleDefault
|
||
handler:^(UIAlertAction * _Nonnull action) {
|
||
[self presentTelemetryAlertController];
|
||
}];
|
||
[attributionController addAction:telemetryAction];
|
||
|
||
NSString *cancelTitle = NSLocalizedStringWithDefaultValue(@"CANCEL", nil, nil, @"Cancel", @"");
|
||
UIAlertAction *cancelAction = [UIAlertAction actionWithTitle:cancelTitle
|
||
style:UIAlertActionStyleCancel
|
||
handler:NULL];
|
||
[attributionController addAction:cancelAction];
|
||
|
||
attributionController.popoverPresentationController.sourceView = self;
|
||
attributionController.popoverPresentationController.sourceRect = self.attributionButton.frame;
|
||
|
||
UIViewController *viewController = [self.window.rootViewController mgl_topMostViewController];
|
||
[viewController presentViewController:attributionController
|
||
animated:YES
|
||
completion:NULL];
|
||
}
|
||
|
||
- (void)presentTelemetryAlertController
|
||
{
|
||
NSString *title = NSLocalizedStringWithDefaultValue(@"TELEMETRY_TITLE", nil, nil, @"Make Mapbox Maps Better", @"Telemetry prompt title");
|
||
NSString *message;
|
||
NSString *participateTitle;
|
||
NSString *declineTitle;
|
||
if ([[NSUserDefaults standardUserDefaults] boolForKey:@"MGLMapboxMetricsEnabled"])
|
||
{
|
||
message = NSLocalizedStringWithDefaultValue(@"TELEMETRY_ENABLED_MSG", nil, nil, @"You are helping to make OpenStreetMap and Mapbox maps better by contributing anonymous usage data.", @"Telemetry prompt message");
|
||
participateTitle = NSLocalizedStringWithDefaultValue(@"TELEMETRY_ENABLED_ON", nil, nil, @"Keep Participating", @"Telemetry prompt button");
|
||
declineTitle = NSLocalizedStringWithDefaultValue(@"TELEMETRY_ENABLED_OFF", nil, nil, @"Stop Participating", @"Telemetry prompt button");
|
||
}
|
||
else
|
||
{
|
||
message = NSLocalizedStringWithDefaultValue(@"TELEMETRY_DISABLED_MSG", nil, nil, @"You can help make OpenStreetMap and Mapbox maps better by contributing anonymous usage data.", @"Telemetry prompt message");
|
||
participateTitle = NSLocalizedStringWithDefaultValue(@"TELEMETRY_DISABLED_ON", nil, nil, @"Participate", @"Telemetry prompt button");
|
||
declineTitle = NSLocalizedStringWithDefaultValue(@"TELEMETRY_DISABLED_OFF", nil, nil, @"Don’t Participate", @"Telemetry prompt button");
|
||
}
|
||
|
||
UIAlertController *alertController = [UIAlertController alertControllerWithTitle:title
|
||
message:message
|
||
preferredStyle:UIAlertControllerStyleAlert];
|
||
|
||
NSString *moreTitle = NSLocalizedStringWithDefaultValue(@"TELEMETRY_MORE", nil, nil, @"Tell Me More", @"Telemetry prompt button");
|
||
UIAlertAction *moreAction = [UIAlertAction actionWithTitle:moreTitle
|
||
style:UIAlertActionStyleDefault
|
||
handler:^(UIAlertAction * _Nonnull action) {
|
||
[[UIApplication sharedApplication] openURL:
|
||
[NSURL URLWithString:@"https://www.mapbox.com/telemetry/"]];
|
||
}];
|
||
[alertController addAction:moreAction];
|
||
|
||
UIAlertAction *declineAction = [UIAlertAction actionWithTitle:declineTitle
|
||
style:UIAlertActionStyleDefault
|
||
handler:^(UIAlertAction * _Nonnull action) {
|
||
[[NSUserDefaults standardUserDefaults] setBool:NO forKey:@"MGLMapboxMetricsEnabled"];
|
||
}];
|
||
[alertController addAction:declineAction];
|
||
|
||
UIAlertAction *participateAction = [UIAlertAction actionWithTitle:participateTitle
|
||
style:UIAlertActionStyleCancel
|
||
handler:^(UIAlertAction * _Nonnull action) {
|
||
[[NSUserDefaults standardUserDefaults] setBool:YES forKey:@"MGLMapboxMetricsEnabled"];
|
||
}];
|
||
[alertController addAction:participateAction];
|
||
|
||
UIViewController *viewController = [self.window.rootViewController mgl_topMostViewController];
|
||
[viewController presentViewController:alertController
|
||
animated:YES
|
||
completion:NULL];
|
||
}
|
||
|
||
#pragma mark - Properties -
|
||
|
||
- (void)observeValueForKeyPath:(NSString *)keyPath ofObject:(id)object change:(NSDictionary *)change context:(void *)context
|
||
{
|
||
if ([keyPath isEqualToString:@"hidden"] && object == _attributionButton)
|
||
{
|
||
NSNumber *hiddenNumber = change[NSKeyValueChangeNewKey];
|
||
BOOL attributionButtonWasHidden = [hiddenNumber boolValue];
|
||
if (attributionButtonWasHidden)
|
||
{
|
||
[MGLMapboxEvents ensureMetricsOptoutExists];
|
||
}
|
||
}
|
||
else if ([keyPath isEqualToString:@"coordinate"] && [object conformsToProtocol:@protocol(MGLAnnotation)] && ![object isKindOfClass:[MGLMultiPoint class]])
|
||
{
|
||
id <MGLAnnotation> annotation = object;
|
||
MGLAnnotationTag annotationTag = (MGLAnnotationTag)(NSUInteger)context;
|
||
// We can get here because a subclass registered itself as an observer
|
||
// of the coordinate key path of a non-multipoint annotation but failed
|
||
// to handle the change. This check deters us from treating the
|
||
// subclass’s context as an annotation tag. If the context happens to
|
||
// match a valid annotation tag, the annotation will be unnecessarily
|
||
// but safely updated.
|
||
if (annotation == [self annotationWithTag:annotationTag])
|
||
{
|
||
const mbgl::Point<double> point = MGLPointFromLocationCoordinate2D(annotation.coordinate);
|
||
|
||
if (annotationTag != MGLAnnotationTagNotFound) {
|
||
MGLAnnotationContext &annotationContext = _annotationContextsByAnnotationTag.at(annotationTag);
|
||
if (annotationContext.annotationView)
|
||
{
|
||
// Redundantly move the associated annotation view outside the scope of the animation-less transaction block in -updateAnnotationViews.
|
||
annotationContext.annotationView.center = [self convertCoordinate:annotationContext.annotation.coordinate toPointToView:self];
|
||
}
|
||
|
||
MGLAnnotationImage *annotationImage = [self imageOfAnnotationWithTag:annotationTag];
|
||
NSString *symbolName = annotationImage.styleIconIdentifier;
|
||
|
||
// Update the annotation’s backing geometry to match the annotation model object. Any associated annotation view is also moved by side effect. However, -updateAnnotationViews disables the view’s animation actions, because it can’t distinguish between moves due to the viewport changing and moves due to the annotation’s coordinate changing.
|
||
_mbglMap->updateAnnotation(annotationTag, mbgl::SymbolAnnotation { point, symbolName.UTF8String });
|
||
[self updateCalloutView];
|
||
}
|
||
}
|
||
}
|
||
else if ([keyPath isEqualToString:@"coordinates"] && [object isKindOfClass:[MGLMultiPoint class]])
|
||
{
|
||
MGLMultiPoint *annotation = object;
|
||
MGLAnnotationTag annotationTag = (MGLAnnotationTag)(NSUInteger)context;
|
||
// We can get here because a subclass registered itself as an observer
|
||
// of the coordinates key path of a multipoint annotation but failed
|
||
// to handle the change. This check deters us from treating the
|
||
// subclass’s context as an annotation tag. If the context happens to
|
||
// match a valid annotation tag, the annotation will be unnecessarily
|
||
// but safely updated.
|
||
if (annotation == [self annotationWithTag:annotationTag])
|
||
{
|
||
// Update the annotation’s backing geometry to match the annotation model object.
|
||
_mbglMap->updateAnnotation(annotationTag, [annotation annotationObjectWithDelegate:self]);
|
||
[self updateCalloutView];
|
||
}
|
||
}
|
||
}
|
||
|
||
+ (NSSet<NSString *> *)keyPathsForValuesAffectingZoomEnabled
|
||
{
|
||
return [NSSet setWithObject:@"allowsZooming"];
|
||
}
|
||
|
||
+ (NSSet<NSString *> *)keyPathsForValuesAffectingScrollEnabled
|
||
{
|
||
return [NSSet setWithObject:@"allowsScrolling"];
|
||
}
|
||
|
||
+ (NSSet<NSString *> *)keyPathsForValuesAffectingRotateEnabled
|
||
{
|
||
return [NSSet setWithObject:@"allowsRotating"];
|
||
}
|
||
|
||
+ (NSSet<NSString *> *)keyPathsForValuesAffectingPitchEnabled
|
||
{
|
||
return [NSSet setWithObject:@"allowsTilting"];
|
||
}
|
||
|
||
- (MGLMapDebugMaskOptions)debugMask
|
||
{
|
||
mbgl::MapDebugOptions options = _mbglMap->getDebug();
|
||
MGLMapDebugMaskOptions mask = 0;
|
||
if (options & mbgl::MapDebugOptions::TileBorders)
|
||
{
|
||
mask |= MGLMapDebugTileBoundariesMask;
|
||
}
|
||
if (options & mbgl::MapDebugOptions::ParseStatus)
|
||
{
|
||
mask |= MGLMapDebugTileInfoMask;
|
||
}
|
||
if (options & mbgl::MapDebugOptions::Timestamps)
|
||
{
|
||
mask |= MGLMapDebugTimestampsMask;
|
||
}
|
||
if (options & mbgl::MapDebugOptions::Collision)
|
||
{
|
||
mask |= MGLMapDebugCollisionBoxesMask;
|
||
}
|
||
if (options & mbgl::MapDebugOptions::Overdraw)
|
||
{
|
||
mask |= MGLMapDebugOverdrawVisualizationMask;
|
||
}
|
||
return mask;
|
||
}
|
||
|
||
- (void)setDebugMask:(MGLMapDebugMaskOptions)debugMask
|
||
{
|
||
mbgl::MapDebugOptions options = mbgl::MapDebugOptions::NoDebug;
|
||
if (debugMask & MGLMapDebugTileBoundariesMask)
|
||
{
|
||
options |= mbgl::MapDebugOptions::TileBorders;
|
||
}
|
||
if (debugMask & MGLMapDebugTileInfoMask)
|
||
{
|
||
options |= mbgl::MapDebugOptions::ParseStatus;
|
||
}
|
||
if (debugMask & MGLMapDebugTimestampsMask)
|
||
{
|
||
options |= mbgl::MapDebugOptions::Timestamps;
|
||
}
|
||
if (debugMask & MGLMapDebugCollisionBoxesMask)
|
||
{
|
||
options |= mbgl::MapDebugOptions::Collision;
|
||
}
|
||
if (debugMask & MGLMapDebugOverdrawVisualizationMask)
|
||
{
|
||
options |= mbgl::MapDebugOptions::Overdraw;
|
||
}
|
||
_mbglMap->setDebug(options);
|
||
}
|
||
|
||
- (void)setDebugActive:(BOOL)debugActive
|
||
{
|
||
self.debugMask = debugActive ? (MGLMapDebugTileBoundariesMask |
|
||
MGLMapDebugTileInfoMask |
|
||
MGLMapDebugCollisionBoxesMask) : 0;
|
||
}
|
||
|
||
- (void)resetNorth
|
||
{
|
||
[self resetNorthAnimated:YES];
|
||
}
|
||
|
||
- (void)resetNorthAnimated:(BOOL)animated
|
||
{
|
||
[self setDirection:0 animated:animated];
|
||
}
|
||
|
||
- (void)resetPosition
|
||
{
|
||
auto camera = _mbglMap->getStyle().getDefaultCamera();
|
||
CGFloat pitch = *camera.pitch;
|
||
CLLocationDirection heading = mbgl::util::wrap(*camera.angle, 0., 360.);
|
||
CLLocationDistance distance = MGLAltitudeForZoomLevel(*camera.zoom, pitch, 0, self.frame.size);
|
||
self.camera = [MGLMapCamera cameraLookingAtCenterCoordinate:MGLLocationCoordinate2DFromLatLng(*camera.center)
|
||
fromDistance:distance
|
||
pitch:pitch
|
||
heading:heading];
|
||
}
|
||
|
||
- (void)setZoomEnabled:(BOOL)zoomEnabled
|
||
{
|
||
_zoomEnabled = zoomEnabled;
|
||
self.pinch.enabled = zoomEnabled;
|
||
self.doubleTap.enabled = zoomEnabled;
|
||
self.quickZoom.enabled = zoomEnabled;
|
||
self.twoFingerTap.enabled = zoomEnabled;
|
||
}
|
||
|
||
- (void)setScrollEnabled:(BOOL)scrollEnabled
|
||
{
|
||
_scrollEnabled = scrollEnabled;
|
||
self.pan.enabled = scrollEnabled;
|
||
}
|
||
|
||
- (void)setRotateEnabled:(BOOL)rotateEnabled
|
||
{
|
||
_rotateEnabled = rotateEnabled;
|
||
self.rotate.enabled = rotateEnabled;
|
||
}
|
||
|
||
- (void)setPitchEnabled:(BOOL)pitchEnabled
|
||
{
|
||
_pitchEnabled = pitchEnabled;
|
||
self.twoFingerDrag.enabled = pitchEnabled;
|
||
}
|
||
|
||
- (void)setShowsScale:(BOOL)showsScale
|
||
{
|
||
_showsScale = showsScale;
|
||
self.scaleBar.hidden = !showsScale;
|
||
|
||
if (showsScale)
|
||
{
|
||
[self updateScaleBar];
|
||
}
|
||
}
|
||
|
||
#pragma mark - Accessibility -
|
||
|
||
- (NSString *)accessibilityValue
|
||
{
|
||
NSMutableArray *facts = [NSMutableArray array];
|
||
|
||
double zoomLevel = round(self.zoomLevel + 1);
|
||
[facts addObject:[NSString stringWithFormat:NSLocalizedStringWithDefaultValue(@"MAP_A11Y_VALUE_ZOOM", nil, nil, @"Zoom %dx.", @"Map accessibility value; {zoom level}"), (int)zoomLevel]];
|
||
|
||
NSInteger annotationCount = self.accessibilityAnnotationCount;
|
||
if (annotationCount) {
|
||
[facts addObject:[NSString stringWithFormat:NSLocalizedStringWithDefaultValue(@"MAP_A11Y_VALUE_ANNOTATIONS", nil, nil, @"%ld annotation(s) visible.", @"Map accessibility value; {number of visible annotations}"), (long)self.accessibilityAnnotationCount]];
|
||
}
|
||
|
||
NSArray *placeFeatures = self.visiblePlaceFeatures;
|
||
if (placeFeatures.count) {
|
||
NSMutableArray *placesArray = [NSMutableArray arrayWithCapacity:placeFeatures.count];
|
||
NSMutableSet *placesSet = [NSMutableSet setWithCapacity:placeFeatures.count];
|
||
for (id <MGLFeature> placeFeature in placeFeatures.reverseObjectEnumerator) {
|
||
NSString *name = [placeFeature attributeForKey:@"name"];
|
||
if (![placesSet containsObject:name]) {
|
||
[placesArray addObject:name];
|
||
[placesSet addObject:name];
|
||
}
|
||
if (placesArray.count >= 3) {
|
||
break;
|
||
}
|
||
}
|
||
NSString *placesString = [placesArray componentsJoinedByString:NSLocalizedStringWithDefaultValue(@"LIST_SEPARATOR", nil, nil, @", ", @"List separator")];
|
||
[facts addObject:[NSString stringWithFormat:NSLocalizedStringWithDefaultValue(@"MAP_A11Y_VALUE_PLACES", nil, nil, @"Places visible: %@.", @"Map accessibility value; {list of visible places}"), placesString]];
|
||
}
|
||
|
||
NSArray *roadFeatures = self.visibleRoadFeatures;
|
||
if (roadFeatures.count) {
|
||
[facts addObject:[NSString stringWithFormat:NSLocalizedStringWithDefaultValue(@"MAP_A11Y_VALUE_ROADS", nil, nil, @"%ld road(s) visible.", @"Map accessibility value; {number of visible roads}"), roadFeatures.count]];
|
||
}
|
||
|
||
NSString *value = [facts componentsJoinedByString:@" "];
|
||
return value;
|
||
}
|
||
|
||
- (NSArray<id <MGLFeature>> *)visiblePlaceFeatures
|
||
{
|
||
if (!_visiblePlaceFeatures)
|
||
{
|
||
NSArray *placeStyleLayerIdentifiers = [self.style.placeStyleLayers valueForKey:@"identifier"];
|
||
_visiblePlaceFeatures = [self visibleFeaturesInRect:self.bounds inStyleLayersWithIdentifiers:[NSSet setWithArray:placeStyleLayerIdentifiers]];
|
||
}
|
||
return _visiblePlaceFeatures;
|
||
}
|
||
|
||
- (NSArray<id <MGLFeature>> *)visibleRoadFeatures
|
||
{
|
||
if (!_visibleRoadFeatures)
|
||
{
|
||
NSArray *roadStyleLayerIdentifiers = [self.style.roadStyleLayers valueForKey:@"identifier"];
|
||
_visibleRoadFeatures = [self visibleFeaturesInRect:self.bounds inStyleLayersWithIdentifiers:[NSSet setWithArray:roadStyleLayerIdentifiers]];
|
||
}
|
||
return _visibleRoadFeatures;
|
||
}
|
||
|
||
- (CGRect)accessibilityFrame
|
||
{
|
||
CGRect frame = [super accessibilityFrame];
|
||
UIViewController *viewController = self.viewControllerForLayoutGuides;
|
||
if (viewController)
|
||
{
|
||
CGFloat topInset = viewController.topLayoutGuide.length;
|
||
frame.origin.y += topInset;
|
||
frame.size.height -= topInset + viewController.bottomLayoutGuide.length;
|
||
}
|
||
return frame;
|
||
}
|
||
|
||
- (UIBezierPath *)accessibilityPath
|
||
{
|
||
UIBezierPath *path = [UIBezierPath bezierPathWithRect:self.accessibilityFrame];
|
||
|
||
// Exclude any visible annotation callout view.
|
||
if (self.calloutViewForSelectedAnnotation)
|
||
{
|
||
UIBezierPath *calloutViewPath = [UIBezierPath bezierPathWithRect:self.calloutViewForSelectedAnnotation.frame];
|
||
[path appendPath:calloutViewPath];
|
||
}
|
||
|
||
return path;
|
||
}
|
||
|
||
- (NSInteger)accessibilityElementCount
|
||
{
|
||
if (self.calloutViewForSelectedAnnotation)
|
||
{
|
||
return 2 /* calloutViewForSelectedAnnotation, mapViewProxyAccessibilityElement */;
|
||
}
|
||
return !!self.userLocationAnnotationView + self.accessibilityAnnotationCount + self.visiblePlaceFeatures.count + self.visibleRoadFeatures.count + 2 /* compass, attributionButton */;
|
||
}
|
||
|
||
- (NSInteger)accessibilityAnnotationCount
|
||
{
|
||
std::vector<MGLAnnotationTag> visibleAnnotations = [self annotationTagsInRect:self.bounds];
|
||
return visibleAnnotations.size();
|
||
}
|
||
|
||
- (id)accessibilityElementAtIndex:(NSInteger)index
|
||
{
|
||
if (self.calloutViewForSelectedAnnotation)
|
||
{
|
||
if (index == 0)
|
||
{
|
||
return self.calloutViewForSelectedAnnotation;
|
||
}
|
||
if (index == 1)
|
||
{
|
||
self.mapViewProxyAccessibilityElement.accessibilityFrame = self.accessibilityFrame;
|
||
self.mapViewProxyAccessibilityElement.accessibilityPath = self.accessibilityPath;
|
||
return self.mapViewProxyAccessibilityElement;
|
||
}
|
||
return nil;
|
||
}
|
||
|
||
// Compass
|
||
NSUInteger compassIndex = 0;
|
||
if (index == compassIndex)
|
||
{
|
||
return self.compassView;
|
||
}
|
||
|
||
// User location annotation
|
||
NSRange userLocationAnnotationRange = NSMakeRange(compassIndex + 1, !!self.userLocationAnnotationView);
|
||
if (NSLocationInRange(index, userLocationAnnotationRange))
|
||
{
|
||
return self.userLocationAnnotationView;
|
||
}
|
||
|
||
CGPoint centerPoint = self.contentCenter;
|
||
if (self.userTrackingMode != MGLUserTrackingModeNone)
|
||
{
|
||
centerPoint = self.userLocationAnnotationViewCenter;
|
||
}
|
||
|
||
// Visible annotations
|
||
std::vector<MGLAnnotationTag> visibleAnnotations = [self annotationTagsInRect:self.bounds];
|
||
NSRange visibleAnnotationRange = NSMakeRange(NSMaxRange(userLocationAnnotationRange), visibleAnnotations.size());
|
||
if (NSLocationInRange(index, visibleAnnotationRange))
|
||
{
|
||
std::sort(visibleAnnotations.begin(), visibleAnnotations.end());
|
||
std::sort(visibleAnnotations.begin(), visibleAnnotations.end(), [&](const MGLAnnotationTag tagA, const MGLAnnotationTag tagB) {
|
||
CLLocationCoordinate2D coordinateA = [[self annotationWithTag:tagA] coordinate];
|
||
CLLocationCoordinate2D coordinateB = [[self annotationWithTag:tagB] coordinate];
|
||
CGPoint pointA = [self convertCoordinate:coordinateA toPointToView:self];
|
||
CGPoint pointB = [self convertCoordinate:coordinateB toPointToView:self];
|
||
CGFloat deltaA = hypot(pointA.x - centerPoint.x, pointA.y - centerPoint.y);
|
||
CGFloat deltaB = hypot(pointB.x - centerPoint.x, pointB.y - centerPoint.y);
|
||
return deltaA < deltaB;
|
||
});
|
||
|
||
NSUInteger annotationIndex = index - visibleAnnotationRange.location;
|
||
MGLAnnotationTag annotationTag = visibleAnnotations[annotationIndex];
|
||
NSAssert(annotationTag != MGLAnnotationTagNotFound, @"Can’t get accessibility element for nonexistent or invisible annotation at index %li.", (long)index);
|
||
return [self accessibilityElementForAnnotationWithTag:annotationTag];
|
||
}
|
||
|
||
// Visible place features
|
||
NSArray *visiblePlaceFeatures = self.visiblePlaceFeatures;
|
||
NSRange visiblePlaceFeatureRange = NSMakeRange(NSMaxRange(visibleAnnotationRange), visiblePlaceFeatures.count);
|
||
if (NSLocationInRange(index, visiblePlaceFeatureRange))
|
||
{
|
||
visiblePlaceFeatures = [visiblePlaceFeatures sortedArrayUsingComparator:^NSComparisonResult(id <MGLFeature> _Nonnull featureA, id <MGLFeature> _Nonnull featureB) {
|
||
CGPoint pointA = [self convertCoordinate:featureA.coordinate toPointToView:self];
|
||
CGPoint pointB = [self convertCoordinate:featureB.coordinate toPointToView:self];
|
||
CGFloat deltaA = hypot(pointA.x - centerPoint.x, pointA.y - centerPoint.y);
|
||
CGFloat deltaB = hypot(pointB.x - centerPoint.x, pointB.y - centerPoint.y);
|
||
return [@(deltaA) compare:@(deltaB)];
|
||
}];
|
||
|
||
id <MGLFeature> feature = visiblePlaceFeatures[index - visiblePlaceFeatureRange.location];
|
||
return [self accessibilityElementForPlaceFeature:feature];
|
||
}
|
||
|
||
// Visible road features
|
||
NSArray *visibleRoadFeatures = self.visibleRoadFeatures;
|
||
NSRange visibleRoadFeatureRange = NSMakeRange(NSMaxRange(visiblePlaceFeatureRange), visibleRoadFeatures.count);
|
||
if (NSLocationInRange(index, visibleRoadFeatureRange))
|
||
{
|
||
visibleRoadFeatures = [visibleRoadFeatures sortedArrayUsingComparator:^NSComparisonResult(id <MGLFeature> _Nonnull featureA, id <MGLFeature> _Nonnull featureB) {
|
||
CGPoint pointA = [self convertCoordinate:featureA.coordinate toPointToView:self];
|
||
CGPoint pointB = [self convertCoordinate:featureB.coordinate toPointToView:self];
|
||
CGFloat deltaA = hypot(pointA.x - centerPoint.x, pointA.y - centerPoint.y);
|
||
CGFloat deltaB = hypot(pointB.x - centerPoint.x, pointB.y - centerPoint.y);
|
||
return [@(deltaA) compare:@(deltaB)];
|
||
}];
|
||
|
||
id <MGLFeature> feature = visibleRoadFeatures[index - visibleRoadFeatureRange.location];
|
||
return [self accessibilityElementForRoadFeature:feature];
|
||
}
|
||
|
||
// Attribution button
|
||
NSUInteger attributionButtonIndex = NSMaxRange(visibleRoadFeatureRange);
|
||
if (index == attributionButtonIndex)
|
||
{
|
||
return self.attributionButton;
|
||
}
|
||
|
||
NSAssert(NO, @"Index %ld not in recognized accessibility element ranges. "
|
||
@"User location annotation range: %@; visible annotation range: %@; "
|
||
@"visible place feature range: %@; visible road feature range: %@.",
|
||
(long)index, NSStringFromRange(userLocationAnnotationRange),
|
||
NSStringFromRange(visibleAnnotationRange), NSStringFromRange(visiblePlaceFeatureRange),
|
||
NSStringFromRange(visibleRoadFeatureRange));
|
||
return nil;
|
||
}
|
||
|
||
/**
|
||
Returns an accessibility element corresponding to a visible annotation with the given tag.
|
||
|
||
@param annotationTag Tag of the annotation represented by the accessibility element to return.
|
||
*/
|
||
- (id)accessibilityElementForAnnotationWithTag:(MGLAnnotationTag)annotationTag
|
||
{
|
||
NSAssert(_annotationContextsByAnnotationTag.count(annotationTag), @"Missing annotation for tag %u.", annotationTag);
|
||
MGLAnnotationContext &annotationContext = _annotationContextsByAnnotationTag.at(annotationTag);
|
||
id <MGLAnnotation> annotation = annotationContext.annotation;
|
||
|
||
// Let the annotation view serve as its own accessibility element.
|
||
MGLAnnotationView *annotationView = annotationContext.annotationView;
|
||
if (annotationView && annotationView.superview)
|
||
{
|
||
return annotationView;
|
||
}
|
||
|
||
// Lazily create an accessibility element for the found annotation.
|
||
if ( ! annotationContext.accessibilityElement)
|
||
{
|
||
annotationContext.accessibilityElement = [[MGLAnnotationAccessibilityElement alloc] initWithAccessibilityContainer:self tag:annotationTag];
|
||
}
|
||
|
||
// Update the accessibility element.
|
||
MGLAnnotationImage *annotationImage = [self imageOfAnnotationWithTag:annotationTag];
|
||
CGRect annotationFrame = [self frameOfImage:annotationImage.image centeredAtCoordinate:annotation.coordinate];
|
||
CGPoint annotationFrameCenter = CGPointMake(CGRectGetMidX(annotationFrame), CGRectGetMidY(annotationFrame));
|
||
CGRect minimumFrame = CGRectInset({ annotationFrameCenter, CGSizeZero },
|
||
-MGLAnnotationAccessibilityElementMinimumSize.width / 2,
|
||
-MGLAnnotationAccessibilityElementMinimumSize.height / 2);
|
||
annotationFrame = CGRectUnion(annotationFrame, minimumFrame);
|
||
CGRect screenRect = UIAccessibilityConvertFrameToScreenCoordinates(annotationFrame, self);
|
||
annotationContext.accessibilityElement.accessibilityFrame = screenRect;
|
||
|
||
if ([annotation respondsToSelector:@selector(title)])
|
||
{
|
||
annotationContext.accessibilityElement.accessibilityLabel = annotation.title;
|
||
}
|
||
if ([annotation respondsToSelector:@selector(subtitle)])
|
||
{
|
||
annotationContext.accessibilityElement.accessibilityValue = annotation.subtitle;
|
||
}
|
||
|
||
return annotationContext.accessibilityElement;
|
||
}
|
||
|
||
/**
|
||
Returns an accessibility element corresponding to the given place feature.
|
||
|
||
@param feature The place feature represented by the accessibility element.
|
||
*/
|
||
- (id)accessibilityElementForPlaceFeature:(id <MGLFeature>)feature
|
||
{
|
||
if (!_featureAccessibilityElements)
|
||
{
|
||
_featureAccessibilityElements = [NSMutableSet set];
|
||
}
|
||
|
||
MGLFeatureAccessibilityElement *element = [_featureAccessibilityElements objectsPassingTest:^BOOL(MGLFeatureAccessibilityElement * _Nonnull element, BOOL * _Nonnull stop) {
|
||
return element.feature.identifier && ![element.feature.identifier isEqual:@0] && [element.feature.identifier isEqual:feature.identifier];
|
||
}].anyObject;
|
||
if (!element)
|
||
{
|
||
element = [[MGLPlaceFeatureAccessibilityElement alloc] initWithAccessibilityContainer:self feature:feature];
|
||
}
|
||
CGPoint center = [self convertCoordinate:feature.coordinate toPointToView:self];
|
||
CGRect annotationFrame = CGRectInset({center, CGSizeZero}, -MGLAnnotationAccessibilityElementMinimumSize.width / 2, -MGLAnnotationAccessibilityElementMinimumSize.width / 2);
|
||
CGRect screenRect = UIAccessibilityConvertFrameToScreenCoordinates(annotationFrame, self);
|
||
element.accessibilityFrame = screenRect;
|
||
|
||
[_featureAccessibilityElements addObject:element];
|
||
|
||
return element;
|
||
}
|
||
|
||
/**
|
||
Returns an accessibility element corresponding to the given road feature.
|
||
|
||
@param feature The road feature represented by the accessibility element.
|
||
*/
|
||
- (id)accessibilityElementForRoadFeature:(id <MGLFeature>)feature
|
||
{
|
||
if (!_featureAccessibilityElements)
|
||
{
|
||
_featureAccessibilityElements = [NSMutableSet set];
|
||
}
|
||
|
||
MGLFeatureAccessibilityElement *element = [_featureAccessibilityElements objectsPassingTest:^BOOL(MGLFeatureAccessibilityElement * _Nonnull element, BOOL * _Nonnull stop) {
|
||
return element.feature.identifier && ![element.feature.identifier isEqual:@0] && [element.feature.identifier isEqual:feature.identifier];
|
||
}].anyObject;
|
||
if (!element)
|
||
{
|
||
element = [[MGLRoadFeatureAccessibilityElement alloc] initWithAccessibilityContainer:self feature:feature];
|
||
}
|
||
|
||
UIBezierPath *path;
|
||
if ([feature isKindOfClass:[MGLPointFeature class]])
|
||
{
|
||
CGPoint center = [self convertCoordinate:feature.coordinate toPointToView:self];
|
||
CGRect annotationFrame = CGRectInset({center, CGSizeZero}, -MGLAnnotationAccessibilityElementMinimumSize.width / 2, -MGLAnnotationAccessibilityElementMinimumSize.width / 2);
|
||
CGRect screenRect = UIAccessibilityConvertFrameToScreenCoordinates(annotationFrame, self);
|
||
element.accessibilityFrame = screenRect;
|
||
}
|
||
else if ([feature isKindOfClass:[MGLPolylineFeature class]])
|
||
{
|
||
path = [self pathOfPolyline:(MGLPolyline *)feature];
|
||
}
|
||
else if ([feature isKindOfClass:[MGLMultiPolylineFeature class]])
|
||
{
|
||
path = [UIBezierPath bezierPath];
|
||
for (MGLPolyline *polyline in [(MGLMultiPolylineFeature *)feature polylines])
|
||
{
|
||
[path appendPath:[self pathOfPolyline:polyline]];
|
||
}
|
||
}
|
||
|
||
if (path)
|
||
{
|
||
CGPathRef strokedCGPath = CGPathCreateCopyByStrokingPath(path.CGPath, NULL, MGLAnnotationAccessibilityElementMinimumSize.width, kCGLineCapButt, kCGLineJoinMiter, 0);
|
||
UIBezierPath *strokedPath = [UIBezierPath bezierPathWithCGPath:strokedCGPath];
|
||
CGPathRelease(strokedCGPath);
|
||
UIBezierPath *screenPath = UIAccessibilityConvertPathToScreenCoordinates(strokedPath, self);
|
||
element.accessibilityPath = screenPath;
|
||
}
|
||
|
||
[_featureAccessibilityElements addObject:element];
|
||
|
||
return element;
|
||
}
|
||
|
||
- (UIBezierPath *)pathOfPolyline:(MGLPolyline *)polyline
|
||
{
|
||
CLLocationCoordinate2D *coordinates = polyline.coordinates;
|
||
NSUInteger pointCount = polyline.pointCount;
|
||
UIBezierPath *path = [UIBezierPath bezierPath];
|
||
for (NSUInteger i = 0; i < pointCount; i++)
|
||
{
|
||
CGPoint point = [self convertCoordinate:coordinates[i] toPointToView:self];
|
||
if (i)
|
||
{
|
||
[path addLineToPoint:point];
|
||
}
|
||
else
|
||
{
|
||
[path moveToPoint:point];
|
||
}
|
||
}
|
||
return path;
|
||
}
|
||
|
||
- (NSInteger)indexOfAccessibilityElement:(id)element
|
||
{
|
||
if (self.calloutViewForSelectedAnnotation)
|
||
{
|
||
return [@[self.calloutViewForSelectedAnnotation, self.mapViewProxyAccessibilityElement]
|
||
indexOfObject:element];
|
||
}
|
||
|
||
// Compass
|
||
NSUInteger compassIndex = 0;
|
||
if (element == self.compassView)
|
||
{
|
||
return compassIndex;
|
||
}
|
||
|
||
// User location annotation
|
||
NSRange userLocationAnnotationRange = NSMakeRange(compassIndex + 1, !!self.userLocationAnnotationView);
|
||
if (element == self.userLocationAnnotationView)
|
||
{
|
||
return userLocationAnnotationRange.location;
|
||
}
|
||
|
||
CGPoint centerPoint = self.contentCenter;
|
||
if (self.userTrackingMode != MGLUserTrackingModeNone)
|
||
{
|
||
centerPoint = self.userLocationAnnotationViewCenter;
|
||
}
|
||
|
||
// Visible annotations
|
||
std::vector<MGLAnnotationTag> visibleAnnotations = [self annotationTagsInRect:self.bounds];
|
||
NSRange visibleAnnotationRange = NSMakeRange(NSMaxRange(userLocationAnnotationRange), visibleAnnotations.size());
|
||
MGLAnnotationTag tag = MGLAnnotationTagNotFound;
|
||
if ([element isKindOfClass:[MGLAnnotationView class]])
|
||
{
|
||
id <MGLAnnotation> annotation = [(MGLAnnotationView *)element annotation];
|
||
tag = [self annotationTagForAnnotation:annotation];
|
||
}
|
||
else if ([element isKindOfClass:[MGLAnnotationAccessibilityElement class]])
|
||
{
|
||
tag = [(MGLAnnotationAccessibilityElement *)element tag];
|
||
}
|
||
|
||
if (tag != MGLAnnotationTagNotFound)
|
||
{
|
||
std::sort(visibleAnnotations.begin(), visibleAnnotations.end());
|
||
std::sort(visibleAnnotations.begin(), visibleAnnotations.end(), [&](const MGLAnnotationTag tagA, const MGLAnnotationTag tagB) {
|
||
CLLocationCoordinate2D coordinateA = [[self annotationWithTag:tagA] coordinate];
|
||
CLLocationCoordinate2D coordinateB = [[self annotationWithTag:tagB] coordinate];
|
||
CGPoint pointA = [self convertCoordinate:coordinateA toPointToView:self];
|
||
CGPoint pointB = [self convertCoordinate:coordinateB toPointToView:self];
|
||
CGFloat deltaA = hypot(pointA.x - centerPoint.x, pointA.y - centerPoint.y);
|
||
CGFloat deltaB = hypot(pointB.x - centerPoint.x, pointB.y - centerPoint.y);
|
||
return deltaA < deltaB;
|
||
});
|
||
|
||
auto foundElement = std::find(visibleAnnotations.begin(), visibleAnnotations.end(), tag);
|
||
if (foundElement == visibleAnnotations.end())
|
||
{
|
||
return NSNotFound;
|
||
}
|
||
return visibleAnnotationRange.location + std::distance(visibleAnnotations.begin(), foundElement);
|
||
}
|
||
|
||
// Visible place features
|
||
NSArray *visiblePlaceFeatures = self.visiblePlaceFeatures;
|
||
NSRange visiblePlaceFeatureRange = NSMakeRange(NSMaxRange(visibleAnnotationRange), visiblePlaceFeatures.count);
|
||
if ([element isKindOfClass:[MGLPlaceFeatureAccessibilityElement class]])
|
||
{
|
||
visiblePlaceFeatures = [visiblePlaceFeatures sortedArrayUsingComparator:^NSComparisonResult(id <MGLFeature> _Nonnull featureA, id <MGLFeature> _Nonnull featureB) {
|
||
CGPoint pointA = [self convertCoordinate:featureA.coordinate toPointToView:self];
|
||
CGPoint pointB = [self convertCoordinate:featureB.coordinate toPointToView:self];
|
||
CGFloat deltaA = hypot(pointA.x - centerPoint.x, pointA.y - centerPoint.y);
|
||
CGFloat deltaB = hypot(pointB.x - centerPoint.x, pointB.y - centerPoint.y);
|
||
return [@(deltaA) compare:@(deltaB)];
|
||
}];
|
||
|
||
id <MGLFeature> feature = [(MGLPlaceFeatureAccessibilityElement *)element feature];
|
||
NSUInteger featureIndex = [visiblePlaceFeatures indexOfObject:feature];
|
||
if (featureIndex == NSNotFound)
|
||
{
|
||
featureIndex = [visiblePlaceFeatures indexOfObjectPassingTest:^BOOL (id <MGLFeature> _Nonnull visibleFeature, NSUInteger idx, BOOL * _Nonnull stop) {
|
||
return visibleFeature.identifier && ![visibleFeature.identifier isEqual:@0] && [visibleFeature.identifier isEqual:feature.identifier];
|
||
}];
|
||
}
|
||
if (featureIndex == NSNotFound)
|
||
{
|
||
return NSNotFound;
|
||
}
|
||
return visiblePlaceFeatureRange.location + featureIndex;
|
||
}
|
||
|
||
// Visible road features
|
||
NSArray *visibleRoadFeatures = self.visibleRoadFeatures;
|
||
NSRange visibleRoadFeatureRange = NSMakeRange(NSMaxRange(visiblePlaceFeatureRange), visibleRoadFeatures.count);
|
||
if ([element isKindOfClass:[MGLRoadFeatureAccessibilityElement class]])
|
||
{
|
||
visibleRoadFeatures = [visibleRoadFeatures sortedArrayUsingComparator:^NSComparisonResult(id <MGLFeature> _Nonnull featureA, id <MGLFeature> _Nonnull featureB) {
|
||
CGPoint pointA = [self convertCoordinate:featureA.coordinate toPointToView:self];
|
||
CGPoint pointB = [self convertCoordinate:featureB.coordinate toPointToView:self];
|
||
CGFloat deltaA = hypot(pointA.x - centerPoint.x, pointA.y - centerPoint.y);
|
||
CGFloat deltaB = hypot(pointB.x - centerPoint.x, pointB.y - centerPoint.y);
|
||
return [@(deltaA) compare:@(deltaB)];
|
||
}];
|
||
|
||
id <MGLFeature> feature = [(MGLRoadFeatureAccessibilityElement *)element feature];
|
||
NSUInteger featureIndex = [visibleRoadFeatures indexOfObject:feature];
|
||
if (featureIndex == NSNotFound)
|
||
{
|
||
featureIndex = [visibleRoadFeatures indexOfObjectPassingTest:^BOOL (id <MGLFeature> _Nonnull visibleFeature, NSUInteger idx, BOOL * _Nonnull stop) {
|
||
return visibleFeature.identifier && ![visibleFeature.identifier isEqual:@0] && [visibleFeature.identifier isEqual:feature.identifier];
|
||
}];
|
||
}
|
||
if (featureIndex == NSNotFound)
|
||
{
|
||
return NSNotFound;
|
||
}
|
||
return visibleRoadFeatureRange.location + featureIndex;
|
||
}
|
||
|
||
// Attribution button
|
||
NSUInteger attributionButtonIndex = NSMaxRange(visibleRoadFeatureRange);
|
||
if (element == self.attributionButton)
|
||
{
|
||
return attributionButtonIndex;
|
||
}
|
||
|
||
return NSNotFound;
|
||
}
|
||
|
||
- (MGLMapViewProxyAccessibilityElement *)mapViewProxyAccessibilityElement
|
||
{
|
||
if ( ! _mapViewProxyAccessibilityElement)
|
||
{
|
||
_mapViewProxyAccessibilityElement = [[MGLMapViewProxyAccessibilityElement alloc] initWithAccessibilityContainer:self];
|
||
}
|
||
return _mapViewProxyAccessibilityElement;
|
||
}
|
||
|
||
- (void)accessibilityIncrement
|
||
{
|
||
// Swipe up to zoom out.
|
||
[self accessibilityScaleBy:0.5];
|
||
}
|
||
|
||
- (void)accessibilityDecrement
|
||
{
|
||
// Swipe down to zoom in.
|
||
[self accessibilityScaleBy:2];
|
||
}
|
||
|
||
- (void)accessibilityScaleBy:(double)scaleFactor
|
||
{
|
||
CGPoint centerPoint = self.contentCenter;
|
||
if (self.userTrackingMode != MGLUserTrackingModeNone)
|
||
{
|
||
centerPoint = self.userLocationAnnotationViewCenter;
|
||
}
|
||
double newZoom = round(self.zoomLevel) + log2(scaleFactor);
|
||
_mbglMap->setZoom(newZoom, mbgl::ScreenCoordinate { centerPoint.x, centerPoint.y });
|
||
[self unrotateIfNeededForGesture];
|
||
|
||
_accessibilityValueAnnouncementIsPending = YES;
|
||
}
|
||
|
||
#pragma mark - Geography -
|
||
|
||
+ (NSSet<NSString *> *)keyPathsForValuesAffectingCenterCoordinate
|
||
{
|
||
return [NSSet setWithObjects:@"latitude", @"longitude", @"camera", nil];
|
||
}
|
||
|
||
- (void)setCenterCoordinate:(CLLocationCoordinate2D)coordinate animated:(BOOL)animated
|
||
{
|
||
[self setCenterCoordinate:coordinate zoomLevel:self.zoomLevel animated:animated];
|
||
}
|
||
|
||
- (void)setCenterCoordinate:(CLLocationCoordinate2D)centerCoordinate
|
||
{
|
||
[self setCenterCoordinate:centerCoordinate animated:NO];
|
||
}
|
||
|
||
- (CLLocationCoordinate2D)centerCoordinate
|
||
{
|
||
mbgl::EdgeInsets padding = MGLEdgeInsetsFromNSEdgeInsets(self.contentInset);
|
||
return MGLLocationCoordinate2DFromLatLng(_mbglMap->getLatLng(padding));
|
||
}
|
||
|
||
- (void)setCenterCoordinate:(CLLocationCoordinate2D)centerCoordinate zoomLevel:(double)zoomLevel animated:(BOOL)animated
|
||
{
|
||
[self setCenterCoordinate:centerCoordinate zoomLevel:zoomLevel direction:self.direction animated:animated];
|
||
}
|
||
|
||
- (void)setCenterCoordinate:(CLLocationCoordinate2D)centerCoordinate zoomLevel:(double)zoomLevel direction:(CLLocationDirection)direction animated:(BOOL)animated {
|
||
[self setCenterCoordinate:centerCoordinate zoomLevel:zoomLevel direction:direction animated:animated completionHandler:NULL];
|
||
}
|
||
|
||
- (void)setCenterCoordinate:(CLLocationCoordinate2D)centerCoordinate zoomLevel:(double)zoomLevel direction:(CLLocationDirection)direction animated:(BOOL)animated completionHandler:(nullable void (^)(void))completion
|
||
{
|
||
self.userTrackingMode = MGLUserTrackingModeNone;
|
||
|
||
self.cameraChangeReasonBitmask |= MGLCameraChangeReasonProgrammatic;
|
||
|
||
[self _setCenterCoordinate:centerCoordinate edgePadding:self.contentInset zoomLevel:zoomLevel direction:direction duration:animated ? MGLAnimationDuration : 0 animationTimingFunction:nil completionHandler:completion];
|
||
}
|
||
|
||
- (void)_setCenterCoordinate:(CLLocationCoordinate2D)centerCoordinate animated:(BOOL)animated {
|
||
[self _setCenterCoordinate:centerCoordinate edgePadding:self.contentInset zoomLevel:self.zoomLevel direction:self.direction duration:animated ? MGLAnimationDuration : 0 animationTimingFunction:nil completionHandler:NULL];
|
||
}
|
||
|
||
- (void)_setCenterCoordinate:(CLLocationCoordinate2D)centerCoordinate edgePadding:(UIEdgeInsets)insets zoomLevel:(double)zoomLevel direction:(CLLocationDirection)direction duration:(NSTimeInterval)duration animationTimingFunction:(nullable CAMediaTimingFunction *)function completionHandler:(nullable void (^)(void))completion
|
||
{
|
||
mbgl::CameraOptions cameraOptions;
|
||
cameraOptions.center = MGLLatLngFromLocationCoordinate2D(centerCoordinate);
|
||
cameraOptions.padding = MGLEdgeInsetsFromNSEdgeInsets(insets);
|
||
cameraOptions.zoom = zoomLevel;
|
||
if (direction >= 0)
|
||
{
|
||
cameraOptions.angle = MGLRadiansFromDegrees(-direction);
|
||
}
|
||
|
||
mbgl::AnimationOptions animationOptions;
|
||
if (duration)
|
||
{
|
||
animationOptions.duration.emplace(MGLDurationFromTimeInterval(duration));
|
||
animationOptions.easing.emplace(MGLUnitBezierForMediaTimingFunction(function));
|
||
}
|
||
if (completion)
|
||
{
|
||
animationOptions.transitionFinishFn = [completion]() {
|
||
// Must run asynchronously after the transition is completely over.
|
||
// Otherwise, a call to -setCenterCoordinate: within the completion
|
||
// handler would reenter the completion handler’s caller.
|
||
dispatch_async(dispatch_get_main_queue(), ^{
|
||
completion();
|
||
});
|
||
};
|
||
}
|
||
|
||
MGLMapCamera *camera = [self cameraForCameraOptions:cameraOptions];
|
||
if ([self.camera isEqualToMapCamera:camera])
|
||
{
|
||
if (completion)
|
||
{
|
||
[self animateWithDelay:duration animations:^{
|
||
completion();
|
||
}];
|
||
}
|
||
return;
|
||
}
|
||
|
||
[self cancelTransitions];
|
||
|
||
self.cameraChangeReasonBitmask |= MGLCameraChangeReasonProgrammatic;
|
||
|
||
_mbglMap->easeTo(cameraOptions, animationOptions);
|
||
}
|
||
|
||
+ (NSSet<NSString *> *)keyPathsForValuesAffectingZoomLevel
|
||
{
|
||
return [NSSet setWithObject:@"camera"];
|
||
}
|
||
|
||
- (double)zoomLevel
|
||
{
|
||
return _mbglMap->getZoom();
|
||
}
|
||
|
||
- (void)setZoomLevel:(double)zoomLevel
|
||
{
|
||
[self setZoomLevel:zoomLevel animated:NO];
|
||
}
|
||
|
||
- (void)setZoomLevel:(double)zoomLevel animated:(BOOL)animated
|
||
{
|
||
if (zoomLevel == self.zoomLevel) return;
|
||
[self cancelTransitions];
|
||
|
||
self.cameraChangeReasonBitmask |= MGLCameraChangeReasonProgrammatic;
|
||
|
||
CGFloat duration = animated ? MGLAnimationDuration : 0;
|
||
|
||
_mbglMap->setZoom(zoomLevel,
|
||
MGLEdgeInsetsFromNSEdgeInsets(self.contentInset),
|
||
MGLDurationFromTimeInterval(duration));
|
||
}
|
||
|
||
- (void)setMinimumZoomLevel:(double)minimumZoomLevel
|
||
{
|
||
_mbglMap->setMinZoom(minimumZoomLevel);
|
||
}
|
||
|
||
- (double)minimumZoomLevel
|
||
{
|
||
return _mbglMap->getMinZoom();
|
||
}
|
||
|
||
- (void)setMaximumZoomLevel:(double)maximumZoomLevel
|
||
{
|
||
_mbglMap->setMaxZoom(maximumZoomLevel);
|
||
}
|
||
|
||
- (double)maximumZoomLevel
|
||
{
|
||
return _mbglMap->getMaxZoom();
|
||
}
|
||
|
||
- (MGLCoordinateBounds)visibleCoordinateBounds
|
||
{
|
||
return [self convertRect:self.bounds toCoordinateBoundsFromView:self];
|
||
}
|
||
|
||
- (void)setVisibleCoordinateBounds:(MGLCoordinateBounds)bounds
|
||
{
|
||
[self setVisibleCoordinateBounds:bounds animated:NO];
|
||
}
|
||
|
||
- (void)setVisibleCoordinateBounds:(MGLCoordinateBounds)bounds animated:(BOOL)animated
|
||
{
|
||
[self setVisibleCoordinateBounds:bounds edgePadding:UIEdgeInsetsZero animated:animated];
|
||
}
|
||
|
||
- (void)setVisibleCoordinateBounds:(MGLCoordinateBounds)bounds edgePadding:(UIEdgeInsets)insets animated:(BOOL)animated
|
||
{
|
||
CLLocationCoordinate2D coordinates[] = {
|
||
{bounds.ne.latitude, bounds.sw.longitude},
|
||
bounds.sw,
|
||
{bounds.sw.latitude, bounds.ne.longitude},
|
||
bounds.ne,
|
||
};
|
||
[self setVisibleCoordinates:coordinates
|
||
count:sizeof(coordinates) / sizeof(coordinates[0])
|
||
edgePadding:insets
|
||
animated:animated];
|
||
}
|
||
|
||
- (void)setVisibleCoordinateBounds:(MGLCoordinateBounds)bounds edgePadding:(UIEdgeInsets)insets direction:(CLLocationDirection)direction animated:(BOOL)animated
|
||
{
|
||
CLLocationCoordinate2D coordinates[] = {
|
||
{bounds.ne.latitude, bounds.sw.longitude},
|
||
bounds.sw,
|
||
{bounds.sw.latitude, bounds.ne.longitude},
|
||
bounds.ne,
|
||
};
|
||
[self setVisibleCoordinates:coordinates
|
||
count:sizeof(coordinates) / sizeof(coordinates[0])
|
||
edgePadding:insets
|
||
direction:direction
|
||
animated:animated];
|
||
}
|
||
|
||
- (void)setVisibleCoordinates:(const CLLocationCoordinate2D *)coordinates count:(NSUInteger)count edgePadding:(UIEdgeInsets)insets animated:(BOOL)animated
|
||
{
|
||
[self setVisibleCoordinates:coordinates count:count edgePadding:insets direction:self.direction animated:animated];
|
||
}
|
||
|
||
- (void)setVisibleCoordinates:(const CLLocationCoordinate2D *)coordinates count:(NSUInteger)count edgePadding:(UIEdgeInsets)insets direction:(CLLocationDirection)direction animated:(BOOL)animated
|
||
{
|
||
[self setVisibleCoordinates:coordinates count:count edgePadding:insets direction:direction duration:animated ? MGLAnimationDuration : 0 animationTimingFunction:nil];
|
||
}
|
||
|
||
- (void)setVisibleCoordinates:(const CLLocationCoordinate2D *)coordinates count:(NSUInteger)count edgePadding:(UIEdgeInsets)insets direction:(CLLocationDirection)direction duration:(NSTimeInterval)duration animationTimingFunction:(nullable CAMediaTimingFunction *)function {
|
||
[self setVisibleCoordinates:coordinates count:count edgePadding:insets direction:direction duration:duration animationTimingFunction:function completionHandler:NULL];
|
||
}
|
||
|
||
- (void)setVisibleCoordinates:(const CLLocationCoordinate2D *)coordinates count:(NSUInteger)count edgePadding:(UIEdgeInsets)insets direction:(CLLocationDirection)direction duration:(NSTimeInterval)duration animationTimingFunction:(nullable CAMediaTimingFunction *)function completionHandler:(nullable void (^)(void))completion
|
||
{
|
||
self.userTrackingMode = MGLUserTrackingModeNone;
|
||
|
||
self.cameraChangeReasonBitmask |= MGLCameraChangeReasonProgrammatic;
|
||
|
||
[self _setVisibleCoordinates:coordinates count:count edgePadding:insets direction:direction duration:duration animationTimingFunction:function completionHandler:completion];
|
||
}
|
||
|
||
- (void)_setVisibleCoordinates:(const CLLocationCoordinate2D *)coordinates count:(NSUInteger)count edgePadding:(UIEdgeInsets)insets direction:(CLLocationDirection)direction duration:(NSTimeInterval)duration animationTimingFunction:(nullable CAMediaTimingFunction *)function completionHandler:(nullable void (^)(void))completion
|
||
{
|
||
mbgl::EdgeInsets padding = MGLEdgeInsetsFromNSEdgeInsets(insets);
|
||
padding += MGLEdgeInsetsFromNSEdgeInsets(self.contentInset);
|
||
std::vector<mbgl::LatLng> latLngs;
|
||
latLngs.reserve(count);
|
||
for (NSUInteger i = 0; i < count; i++)
|
||
{
|
||
latLngs.push_back({coordinates[i].latitude, coordinates[i].longitude});
|
||
}
|
||
|
||
mbgl::CameraOptions cameraOptions = _mbglMap->cameraForLatLngs(latLngs, padding);
|
||
if (direction >= 0)
|
||
{
|
||
cameraOptions.angle = MGLRadiansFromDegrees(-direction);
|
||
}
|
||
|
||
mbgl::AnimationOptions animationOptions;
|
||
if (duration > 0)
|
||
{
|
||
animationOptions.duration.emplace(MGLDurationFromTimeInterval(duration));
|
||
animationOptions.easing.emplace(MGLUnitBezierForMediaTimingFunction(function));
|
||
}
|
||
if (completion)
|
||
{
|
||
animationOptions.transitionFinishFn = [completion]() {
|
||
dispatch_async(dispatch_get_main_queue(), ^{
|
||
completion();
|
||
});
|
||
};
|
||
}
|
||
|
||
MGLMapCamera *camera = [self cameraForCameraOptions:cameraOptions];
|
||
if ([self.camera isEqualToMapCamera:camera])
|
||
{
|
||
if (completion)
|
||
{
|
||
[self animateWithDelay:duration animations:^{
|
||
completion();
|
||
}];
|
||
}
|
||
return;
|
||
}
|
||
|
||
[self willChangeValueForKey:@"visibleCoordinateBounds"];
|
||
[self cancelTransitions];
|
||
|
||
self.cameraChangeReasonBitmask |= MGLCameraChangeReasonProgrammatic;
|
||
|
||
_mbglMap->easeTo(cameraOptions, animationOptions);
|
||
[self didChangeValueForKey:@"visibleCoordinateBounds"];
|
||
}
|
||
|
||
+ (NSSet<NSString *> *)keyPathsForValuesAffectingDirection
|
||
{
|
||
return [NSSet setWithObject:@"camera"];
|
||
}
|
||
|
||
- (CLLocationDirection)direction
|
||
{
|
||
return mbgl::util::wrap(_mbglMap->getBearing(), 0., 360.);
|
||
}
|
||
|
||
- (void)setDirection:(CLLocationDirection)direction animated:(BOOL)animated
|
||
{
|
||
if ( ! animated && ! self.rotationAllowed) return;
|
||
|
||
if (self.userTrackingMode == MGLUserTrackingModeFollowWithHeading)
|
||
{
|
||
self.userTrackingMode = MGLUserTrackingModeFollow;
|
||
}
|
||
|
||
[self _setDirection:direction animated:animated];
|
||
}
|
||
|
||
- (void)_setDirection:(CLLocationDirection)direction animated:(BOOL)animated
|
||
{
|
||
if (direction == self.direction) return;
|
||
[self cancelTransitions];
|
||
|
||
CGFloat duration = animated ? MGLAnimationDuration : 0;
|
||
|
||
self.cameraChangeReasonBitmask |= MGLCameraChangeReasonProgrammatic;
|
||
|
||
if (self.userTrackingMode == MGLUserTrackingModeNone)
|
||
{
|
||
_mbglMap->setBearing(direction,
|
||
MGLEdgeInsetsFromNSEdgeInsets(self.contentInset),
|
||
MGLDurationFromTimeInterval(duration));
|
||
}
|
||
else
|
||
{
|
||
CGPoint centerPoint = self.userLocationAnnotationViewCenter;
|
||
_mbglMap->setBearing(direction, mbgl::ScreenCoordinate { centerPoint.x, centerPoint.y },
|
||
MGLDurationFromTimeInterval(duration));
|
||
}
|
||
}
|
||
|
||
- (void)setDirection:(CLLocationDirection)direction
|
||
{
|
||
[self setDirection:direction animated:NO];
|
||
}
|
||
|
||
+ (NSSet<NSString *> *)keyPathsForValuesAffectingPitch
|
||
{
|
||
return [NSSet setWithObject:@"camera"];
|
||
}
|
||
|
||
+ (NSSet<NSString *> *)keyPathsForValuesAffectingCamera
|
||
{
|
||
return [NSSet setWithObjects:@"longitude", @"latitude", @"centerCoordinate", @"zoomLevel", @"direction", nil];
|
||
}
|
||
|
||
- (MGLMapCamera *)camera
|
||
{
|
||
mbgl::EdgeInsets padding = MGLEdgeInsetsFromNSEdgeInsets(self.contentInset);
|
||
return [self cameraForCameraOptions:_mbglMap->getCameraOptions(padding)];
|
||
}
|
||
|
||
- (void)setCamera:(MGLMapCamera *)camera
|
||
{
|
||
[self setCamera:camera animated:NO];
|
||
}
|
||
|
||
- (void)setCamera:(MGLMapCamera *)camera animated:(BOOL)animated
|
||
{
|
||
[self setCamera:camera withDuration:animated ? MGLAnimationDuration : 0 animationTimingFunction:nil];
|
||
}
|
||
|
||
- (void)setCamera:(MGLMapCamera *)camera withDuration:(NSTimeInterval)duration animationTimingFunction:(nullable CAMediaTimingFunction *)function
|
||
{
|
||
[self setCamera:camera withDuration:duration animationTimingFunction:function completionHandler:NULL];
|
||
}
|
||
|
||
- (void)setCamera:(MGLMapCamera *)camera withDuration:(NSTimeInterval)duration animationTimingFunction:(nullable CAMediaTimingFunction *)function completionHandler:(nullable void (^)(void))completion
|
||
{
|
||
[self setCamera:camera withDuration:duration animationTimingFunction:function edgePadding:self.contentInset completionHandler:completion];
|
||
}
|
||
|
||
- (void)setCamera:(MGLMapCamera *)camera withDuration:(NSTimeInterval)duration animationTimingFunction:(nullable CAMediaTimingFunction *)function edgePadding:(UIEdgeInsets)edgePadding completionHandler:(nullable void (^)(void))completion {
|
||
mbgl::AnimationOptions animationOptions;
|
||
if (duration > 0)
|
||
{
|
||
animationOptions.duration.emplace(MGLDurationFromTimeInterval(duration));
|
||
animationOptions.easing.emplace(MGLUnitBezierForMediaTimingFunction(function));
|
||
}
|
||
if (completion)
|
||
{
|
||
animationOptions.transitionFinishFn = [completion]() {
|
||
dispatch_async(dispatch_get_main_queue(), ^{
|
||
completion();
|
||
});
|
||
};
|
||
}
|
||
|
||
if ([self.camera isEqualToMapCamera:camera])
|
||
{
|
||
if (completion)
|
||
{
|
||
[self animateWithDelay:duration animations:^{
|
||
completion();
|
||
}];
|
||
}
|
||
return;
|
||
}
|
||
|
||
[self willChangeValueForKey:@"camera"];
|
||
[self cancelTransitions];
|
||
|
||
self.cameraChangeReasonBitmask |= MGLCameraChangeReasonProgrammatic;
|
||
|
||
mbgl::CameraOptions cameraOptions = [self cameraOptionsObjectForAnimatingToCamera:camera edgePadding:edgePadding];
|
||
_mbglMap->easeTo(cameraOptions, animationOptions);
|
||
[self didChangeValueForKey:@"camera"];
|
||
}
|
||
|
||
- (void)flyToCamera:(MGLMapCamera *)camera completionHandler:(nullable void (^)(void))completion
|
||
{
|
||
[self flyToCamera:camera withDuration:-1 completionHandler:completion];
|
||
}
|
||
|
||
- (void)flyToCamera:(MGLMapCamera *)camera withDuration:(NSTimeInterval)duration completionHandler:(nullable void (^)(void))completion
|
||
{
|
||
[self flyToCamera:camera withDuration:duration peakAltitude:-1 completionHandler:completion];
|
||
}
|
||
|
||
- (void)flyToCamera:(MGLMapCamera *)camera withDuration:(NSTimeInterval)duration peakAltitude:(CLLocationDistance)peakAltitude completionHandler:(nullable void (^)(void))completion
|
||
{
|
||
[self _flyToCamera:camera edgePadding:self.contentInset withDuration:duration peakAltitude:peakAltitude completionHandler:completion];
|
||
}
|
||
|
||
- (void)_flyToCamera:(MGLMapCamera *)camera edgePadding:(UIEdgeInsets)insets withDuration:(NSTimeInterval)duration peakAltitude:(CLLocationDistance)peakAltitude completionHandler:(nullable void (^)(void))completion
|
||
{
|
||
mbgl::AnimationOptions animationOptions;
|
||
if (duration >= 0)
|
||
{
|
||
animationOptions.duration = MGLDurationFromTimeInterval(duration);
|
||
}
|
||
if (peakAltitude >= 0)
|
||
{
|
||
CLLocationDegrees peakLatitude = (self.centerCoordinate.latitude + camera.centerCoordinate.latitude) / 2;
|
||
CLLocationDegrees peakPitch = (self.camera.pitch + camera.pitch) / 2;
|
||
animationOptions.minZoom = MGLZoomLevelForAltitude(peakAltitude, peakPitch,
|
||
peakLatitude, self.frame.size);
|
||
}
|
||
if (completion)
|
||
{
|
||
animationOptions.transitionFinishFn = [completion]() {
|
||
dispatch_async(dispatch_get_main_queue(), ^{
|
||
completion();
|
||
});
|
||
};
|
||
}
|
||
|
||
if ([self.camera isEqualToMapCamera:camera])
|
||
{
|
||
if (completion)
|
||
{
|
||
[self animateWithDelay:duration animations:^{
|
||
completion();
|
||
}];
|
||
}
|
||
return;
|
||
}
|
||
|
||
[self willChangeValueForKey:@"camera"];
|
||
[self cancelTransitions];
|
||
|
||
self.cameraChangeReasonBitmask |= MGLCameraChangeReasonProgrammatic;
|
||
|
||
mbgl::CameraOptions cameraOptions = [self cameraOptionsObjectForAnimatingToCamera:camera edgePadding:insets];
|
||
_mbglMap->flyTo(cameraOptions, animationOptions);
|
||
[self didChangeValueForKey:@"camera"];
|
||
}
|
||
|
||
- (void)cancelTransitions {
|
||
self.cameraChangeReasonBitmask |= MGLCameraChangeReasonTransitionCancelled;
|
||
_mbglMap->cancelTransitions();
|
||
self.cameraChangeReasonBitmask &= ~MGLCameraChangeReasonTransitionCancelled;
|
||
}
|
||
|
||
- (MGLMapCamera *)cameraThatFitsCoordinateBounds:(MGLCoordinateBounds)bounds
|
||
{
|
||
return [self cameraThatFitsCoordinateBounds:bounds edgePadding:UIEdgeInsetsZero];
|
||
}
|
||
|
||
- (MGLMapCamera *)cameraThatFitsCoordinateBounds:(MGLCoordinateBounds)bounds edgePadding:(UIEdgeInsets)insets
|
||
{
|
||
mbgl::EdgeInsets padding = MGLEdgeInsetsFromNSEdgeInsets(insets);
|
||
padding += MGLEdgeInsetsFromNSEdgeInsets(self.contentInset);
|
||
mbgl::CameraOptions cameraOptions = _mbglMap->cameraForLatLngBounds(MGLLatLngBoundsFromCoordinateBounds(bounds), padding);
|
||
return [self cameraForCameraOptions:cameraOptions];
|
||
}
|
||
|
||
- (MGLMapCamera *)camera:(MGLMapCamera *)camera fittingCoordinateBounds:(MGLCoordinateBounds)bounds edgePadding:(UIEdgeInsets)insets
|
||
{
|
||
mbgl::EdgeInsets padding = MGLEdgeInsetsFromNSEdgeInsets(insets);
|
||
padding += MGLEdgeInsetsFromNSEdgeInsets(self.contentInset);
|
||
|
||
MGLMapCamera *currentCamera = self.camera;
|
||
CGFloat pitch = camera.pitch < 0 ? currentCamera.pitch : camera.pitch;
|
||
CLLocationDirection direction = camera.heading < 0 ? currentCamera.heading : camera.heading;
|
||
|
||
mbgl::CameraOptions cameraOptions = _mbglMap->cameraForLatLngBounds(MGLLatLngBoundsFromCoordinateBounds(bounds), padding, direction, pitch);
|
||
return [self cameraForCameraOptions:cameraOptions];
|
||
}
|
||
|
||
- (MGLMapCamera *)camera:(MGLMapCamera *)camera fittingShape:(MGLShape *)shape edgePadding:(UIEdgeInsets)insets {
|
||
mbgl::EdgeInsets padding = MGLEdgeInsetsFromNSEdgeInsets(insets);
|
||
padding += MGLEdgeInsetsFromNSEdgeInsets(self.contentInset);
|
||
|
||
MGLMapCamera *currentCamera = self.camera;
|
||
CGFloat pitch = camera.pitch < 0 ? currentCamera.pitch : camera.pitch;
|
||
CLLocationDirection direction = camera.heading < 0 ? currentCamera.heading : camera.heading;
|
||
|
||
mbgl::CameraOptions cameraOptions = _mbglMap->cameraForGeometry([shape geometryObject], padding, direction, pitch);
|
||
|
||
return [self cameraForCameraOptions: cameraOptions];
|
||
}
|
||
|
||
- (MGLMapCamera *)cameraThatFitsShape:(MGLShape *)shape direction:(CLLocationDirection)direction edgePadding:(UIEdgeInsets)insets {
|
||
mbgl::EdgeInsets padding = MGLEdgeInsetsFromNSEdgeInsets(insets);
|
||
padding += MGLEdgeInsetsFromNSEdgeInsets(self.contentInset);
|
||
|
||
mbgl::CameraOptions cameraOptions = _mbglMap->cameraForGeometry([shape geometryObject], padding, direction);
|
||
|
||
return [self cameraForCameraOptions:cameraOptions];
|
||
}
|
||
|
||
- (MGLMapCamera *)cameraForCameraOptions:(const mbgl::CameraOptions &)cameraOptions
|
||
{
|
||
CLLocationCoordinate2D centerCoordinate = MGLLocationCoordinate2DFromLatLng(cameraOptions.center ? *cameraOptions.center : _mbglMap->getLatLng());
|
||
double zoomLevel = cameraOptions.zoom ? *cameraOptions.zoom : self.zoomLevel;
|
||
CLLocationDirection direction = cameraOptions.angle ? mbgl::util::wrap(-MGLDegreesFromRadians(*cameraOptions.angle), 0., 360.) : self.direction;
|
||
CGFloat pitch = cameraOptions.pitch ? MGLDegreesFromRadians(*cameraOptions.pitch) : _mbglMap->getPitch();
|
||
CLLocationDistance altitude = MGLAltitudeForZoomLevel(zoomLevel, pitch, centerCoordinate.latitude, self.frame.size);
|
||
return [MGLMapCamera cameraLookingAtCenterCoordinate:centerCoordinate fromDistance:altitude pitch:pitch heading:direction];
|
||
}
|
||
|
||
/// Returns a CameraOptions object that specifies parameters for animating to
|
||
/// the given camera.
|
||
- (mbgl::CameraOptions)cameraOptionsObjectForAnimatingToCamera:(MGLMapCamera *)camera edgePadding:(UIEdgeInsets)insets
|
||
{
|
||
mbgl::CameraOptions options;
|
||
if (CLLocationCoordinate2DIsValid(camera.centerCoordinate))
|
||
{
|
||
options.center = MGLLatLngFromLocationCoordinate2D(camera.centerCoordinate);
|
||
}
|
||
options.padding = MGLEdgeInsetsFromNSEdgeInsets(insets);
|
||
options.zoom = MGLZoomLevelForAltitude(camera.altitude, camera.pitch,
|
||
camera.centerCoordinate.latitude,
|
||
self.frame.size);
|
||
if (camera.heading >= 0)
|
||
{
|
||
options.angle = MGLRadiansFromDegrees(-camera.heading);
|
||
}
|
||
if (camera.pitch >= 0)
|
||
{
|
||
options.pitch = MGLRadiansFromDegrees(camera.pitch);
|
||
}
|
||
return options;
|
||
}
|
||
|
||
- (CLLocationCoordinate2D)convertPoint:(CGPoint)point toCoordinateFromView:(nullable UIView *)view
|
||
{
|
||
return MGLLocationCoordinate2DFromLatLng([self convertPoint:point toLatLngFromView:view]);
|
||
}
|
||
|
||
/// Converts a point in the view’s coordinate system to a geographic coordinate.
|
||
- (mbgl::LatLng)convertPoint:(CGPoint)point toLatLngFromView:(nullable UIView *)view
|
||
{
|
||
CGPoint convertedPoint = [self convertPoint:point fromView:view];
|
||
return _mbglMap->latLngForPixel(mbgl::ScreenCoordinate(convertedPoint.x, convertedPoint.y)).wrapped();
|
||
}
|
||
|
||
- (CGPoint)convertCoordinate:(CLLocationCoordinate2D)coordinate toPointToView:(nullable UIView *)view
|
||
{
|
||
if ( ! CLLocationCoordinate2DIsValid(coordinate))
|
||
{
|
||
return CGPointMake(NAN, NAN);
|
||
}
|
||
return [self convertLatLng:MGLLatLngFromLocationCoordinate2D(coordinate) toPointToView:view];
|
||
}
|
||
|
||
/// Converts a geographic coordinate to a point in the view’s coordinate system.
|
||
- (CGPoint)convertLatLng:(mbgl::LatLng)latLng toPointToView:(nullable UIView *)view
|
||
{
|
||
mbgl::ScreenCoordinate pixel = _mbglMap->pixelForLatLng(latLng);
|
||
return [self convertPoint:CGPointMake(pixel.x, pixel.y) toView:view];
|
||
}
|
||
|
||
- (MGLCoordinateBounds)convertRect:(CGRect)rect toCoordinateBoundsFromView:(nullable UIView *)view
|
||
{
|
||
return MGLCoordinateBoundsFromLatLngBounds([self convertRect:rect toLatLngBoundsFromView:view]);
|
||
}
|
||
|
||
- (CGRect)convertCoordinateBounds:(MGLCoordinateBounds)bounds toRectToView:(nullable UIView *)view
|
||
{
|
||
if ( ! CLLocationCoordinate2DIsValid(bounds.sw) || ! CLLocationCoordinate2DIsValid(bounds.ne))
|
||
{
|
||
return CGRectNull;
|
||
}
|
||
return [self convertLatLngBounds:MGLLatLngBoundsFromCoordinateBounds(bounds) toRectToView:view];
|
||
}
|
||
|
||
/// Converts a geographic bounding box to a rectangle in the view’s coordinate
|
||
/// system.
|
||
- (CGRect)convertLatLngBounds:(mbgl::LatLngBounds)bounds toRectToView:(nullable UIView *)view {
|
||
CGRect rect = { [self convertLatLng:bounds.southwest() toPointToView:view], CGSizeZero };
|
||
rect = MGLExtendRect(rect, [self convertLatLng:bounds.northeast() toPointToView:view]);
|
||
return rect;
|
||
}
|
||
|
||
/// Converts a rectangle in the given view’s coordinate system to a geographic
|
||
/// bounding box.
|
||
- (mbgl::LatLngBounds)convertRect:(CGRect)rect toLatLngBoundsFromView:(nullable UIView *)view
|
||
{
|
||
auto bounds = mbgl::LatLngBounds::empty();
|
||
auto topLeft = [self convertPoint:{ CGRectGetMinX(rect), CGRectGetMinY(rect) } toLatLngFromView:view];
|
||
auto topRight = [self convertPoint:{ CGRectGetMaxX(rect), CGRectGetMinY(rect) } toLatLngFromView:view];
|
||
auto bottomRight = [self convertPoint:{ CGRectGetMaxX(rect), CGRectGetMaxY(rect) } toLatLngFromView:view];
|
||
auto bottomLeft = [self convertPoint:{ CGRectGetMinX(rect), CGRectGetMaxY(rect) } toLatLngFromView:view];
|
||
|
||
// If the bounds straddles the antimeridian, unwrap it so that one side
|
||
// extends beyond ±180° longitude.
|
||
auto center = [self convertPoint:{ CGRectGetMidX(rect), CGRectGetMidY(rect) } toLatLngFromView:view];
|
||
topLeft.unwrapForShortestPath(center);
|
||
topRight.unwrapForShortestPath(center);
|
||
bottomRight.unwrapForShortestPath(center);
|
||
bottomLeft.unwrapForShortestPath(center);
|
||
|
||
bounds.extend(topLeft);
|
||
bounds.extend(topRight);
|
||
bounds.extend(bottomRight);
|
||
bounds.extend(bottomLeft);
|
||
|
||
return bounds;
|
||
}
|
||
|
||
- (CLLocationDistance)metersPerPointAtLatitude:(CLLocationDegrees)latitude
|
||
{
|
||
return mbgl::Projection::getMetersPerPixelAtLatitude(latitude, self.zoomLevel);
|
||
}
|
||
|
||
#pragma mark - Camera Change Reason -
|
||
|
||
- (void)resetCameraChangeReason
|
||
{
|
||
self.cameraChangeReasonBitmask = MGLCameraChangeReasonNone;
|
||
}
|
||
|
||
#pragma mark - Annotations -
|
||
|
||
- (nullable NSArray<id <MGLAnnotation>> *)annotations
|
||
{
|
||
if (_annotationContextsByAnnotationTag.empty())
|
||
{
|
||
return nil;
|
||
}
|
||
|
||
// Map all the annotation tags to the annotations themselves.
|
||
std::vector<id <MGLAnnotation>> annotations;
|
||
std::transform(_annotationContextsByAnnotationTag.begin(),
|
||
_annotationContextsByAnnotationTag.end(),
|
||
std::back_inserter(annotations),
|
||
^ id <MGLAnnotation> (const std::pair<MGLAnnotationTag, MGLAnnotationContext> &pair)
|
||
{
|
||
return pair.second.annotation;
|
||
});
|
||
|
||
annotations.erase(std::remove_if(annotations.begin(), annotations.end(),
|
||
[](const id <MGLAnnotation> annotation) { return annotation == nullptr; }),
|
||
annotations.end());
|
||
|
||
return [NSArray arrayWithObjects:&annotations[0] count:annotations.size()];
|
||
}
|
||
|
||
- (nullable NSArray<id <MGLAnnotation>> *)visibleAnnotations
|
||
{
|
||
return [self visibleAnnotationsInRect:self.bounds];
|
||
}
|
||
|
||
- (nullable NSArray<id <MGLAnnotation>> *)visibleAnnotationsInRect:(CGRect)rect
|
||
{
|
||
if (_annotationContextsByAnnotationTag.empty())
|
||
{
|
||
return nil;
|
||
}
|
||
|
||
std::vector<MGLAnnotationTag> annotationTags = [self annotationTagsInRect:rect];
|
||
std::vector<MGLAnnotationTag> shapeAnnotationTags = [self shapeAnnotationTagsInRect:rect];
|
||
|
||
if (shapeAnnotationTags.size()) {
|
||
annotationTags.insert(annotationTags.end(), shapeAnnotationTags.begin(), shapeAnnotationTags.end());
|
||
}
|
||
|
||
if (annotationTags.size())
|
||
{
|
||
NSMutableArray *annotations = [NSMutableArray arrayWithCapacity:annotationTags.size()];
|
||
|
||
for (auto const& annotationTag: annotationTags)
|
||
{
|
||
if (!_annotationContextsByAnnotationTag.count(annotationTag) ||
|
||
annotationTag == MGLAnnotationTagNotFound)
|
||
{
|
||
continue;
|
||
}
|
||
|
||
MGLAnnotationContext annotationContext = _annotationContextsByAnnotationTag.at(annotationTag);
|
||
NSAssert(annotationContext.annotation, @"Missing annotation for tag %u.", annotationTag);
|
||
if (annotationContext.annotation)
|
||
{
|
||
[annotations addObject:annotationContext.annotation];
|
||
}
|
||
}
|
||
|
||
return [annotations copy];
|
||
}
|
||
|
||
return nil;
|
||
}
|
||
|
||
/// Returns the annotation assigned the given tag. Cheap.
|
||
- (id <MGLAnnotation>)annotationWithTag:(MGLAnnotationTag)tag
|
||
{
|
||
if ( ! _annotationContextsByAnnotationTag.count(tag) ||
|
||
tag == MGLAnnotationTagNotFound) {
|
||
return nil;
|
||
}
|
||
|
||
MGLAnnotationContext &annotationContext = _annotationContextsByAnnotationTag.at(tag);
|
||
return annotationContext.annotation;
|
||
}
|
||
|
||
/// Returns the annotation tag assigned to the given annotation.
|
||
- (MGLAnnotationTag)annotationTagForAnnotation:(id <MGLAnnotation>)annotation
|
||
{
|
||
if ( ! annotation || annotation == self.userLocation
|
||
|| _annotationTagsByAnnotation.count(annotation) == 0)
|
||
{
|
||
return MGLAnnotationTagNotFound;
|
||
}
|
||
|
||
return _annotationTagsByAnnotation.at(annotation);
|
||
}
|
||
|
||
- (void)addAnnotation:(id <MGLAnnotation>)annotation
|
||
{
|
||
if ( ! annotation) return;
|
||
|
||
// The core bulk add API is efficient with respect to indexing and
|
||
// screen refreshes, thus we should defer to it even for individual adds.
|
||
//
|
||
[self addAnnotations:@[ annotation ]];
|
||
}
|
||
|
||
- (void)addAnnotations:(NSArray<id <MGLAnnotation>> *)annotations
|
||
{
|
||
if ( ! annotations) return;
|
||
[self willChangeValueForKey:@"annotations"];
|
||
|
||
NSMutableDictionary *annotationImagesForAnnotation = [NSMutableDictionary dictionary];
|
||
NSMutableDictionary *annotationViewsForAnnotation = [NSMutableDictionary dictionary];
|
||
|
||
BOOL delegateImplementsViewForAnnotation = [self.delegate respondsToSelector:@selector(mapView:viewForAnnotation:)];
|
||
BOOL delegateImplementsImageForPoint = [self.delegate respondsToSelector:@selector(mapView:imageForAnnotation:)];
|
||
|
||
NSMutableArray *newAnnotationViews = [[NSMutableArray alloc] initWithCapacity:annotations.count];
|
||
|
||
for (id <MGLAnnotation> annotation in annotations)
|
||
{
|
||
NSAssert([annotation conformsToProtocol:@protocol(MGLAnnotation)], @"annotation should conform to MGLAnnotation");
|
||
|
||
// adding the same annotation object twice is a no-op
|
||
if (_annotationTagsByAnnotation.count(annotation) != 0)
|
||
{
|
||
continue;
|
||
}
|
||
|
||
if ([annotation isKindOfClass:[MGLMultiPoint class]])
|
||
{
|
||
// The polyline or polygon knows how to style itself (with the map view’s help).
|
||
MGLMultiPoint *multiPoint = (MGLMultiPoint *)annotation;
|
||
if (!multiPoint.pointCount) {
|
||
continue;
|
||
}
|
||
|
||
_isChangingAnnotationLayers = YES;
|
||
MGLAnnotationTag annotationTag = _mbglMap->addAnnotation([multiPoint annotationObjectWithDelegate:self]);
|
||
MGLAnnotationContext context;
|
||
context.annotation = annotation;
|
||
_annotationContextsByAnnotationTag[annotationTag] = context;
|
||
_annotationTagsByAnnotation[annotation] = annotationTag;
|
||
|
||
[(NSObject *)annotation addObserver:self forKeyPath:@"coordinates" options:0 context:(void *)(NSUInteger)annotationTag];
|
||
}
|
||
else if ( ! [annotation isKindOfClass:[MGLMultiPolyline class]]
|
||
&& ![annotation isKindOfClass:[MGLMultiPolygon class]]
|
||
&& ![annotation isKindOfClass:[MGLShapeCollection class]]
|
||
&& ![annotation isKindOfClass:[MGLPointCollection class]])
|
||
{
|
||
MGLAnnotationView *annotationView;
|
||
NSString *symbolName;
|
||
NSValue *annotationValue = [NSValue valueWithNonretainedObject:annotation];
|
||
|
||
if (delegateImplementsViewForAnnotation)
|
||
{
|
||
annotationView = [self annotationViewForAnnotation:annotation];
|
||
if (annotationView)
|
||
{
|
||
annotationViewsForAnnotation[annotationValue] = annotationView;
|
||
annotationView.annotation = annotation;
|
||
annotationView.center = MGLPointRounded([self convertCoordinate:annotation.coordinate toPointToView:self]);
|
||
[newAnnotationViews addObject:annotationView];
|
||
|
||
MGLAnnotationImage *annotationImage = self.invisibleAnnotationImage;
|
||
symbolName = annotationImage.styleIconIdentifier;
|
||
annotationImagesForAnnotation[annotationValue] = annotationImage;
|
||
if ( ! self.annotationImagesByIdentifier[annotationImage.reuseIdentifier])
|
||
{
|
||
[self installAnnotationImage:annotationImage];
|
||
}
|
||
}
|
||
}
|
||
|
||
if ( ! annotationView) {
|
||
MGLAnnotationImage *annotationImage;
|
||
|
||
if (delegateImplementsImageForPoint)
|
||
{
|
||
annotationImage = [self.delegate mapView:self imageForAnnotation:annotation];
|
||
}
|
||
if ( ! annotationImage)
|
||
{
|
||
annotationImage = [self dequeueReusableAnnotationImageWithIdentifier:MGLDefaultStyleMarkerSymbolName];
|
||
}
|
||
if ( ! annotationImage)
|
||
{
|
||
annotationImage = self.defaultAnnotationImage;
|
||
}
|
||
|
||
symbolName = annotationImage.styleIconIdentifier;
|
||
|
||
if ( ! symbolName)
|
||
{
|
||
symbolName = [MGLAnnotationSpritePrefix stringByAppendingString:annotationImage.reuseIdentifier];
|
||
annotationImage.styleIconIdentifier = symbolName;
|
||
}
|
||
if ( ! self.annotationImagesByIdentifier[annotationImage.reuseIdentifier])
|
||
{
|
||
[self installAnnotationImage:annotationImage];
|
||
}
|
||
|
||
annotationImagesForAnnotation[annotationValue] = annotationImage;
|
||
}
|
||
|
||
MGLAnnotationTag annotationTag = _mbglMap->addAnnotation(mbgl::SymbolAnnotation {
|
||
MGLPointFromLocationCoordinate2D(annotation.coordinate),
|
||
symbolName.UTF8String
|
||
});
|
||
|
||
MGLAnnotationContext context;
|
||
context.annotation = annotation;
|
||
MGLAnnotationImage *annotationImage = annotationImagesForAnnotation[annotationValue];
|
||
context.imageReuseIdentifier = annotationImage.reuseIdentifier;
|
||
|
||
if (annotationView) {
|
||
context.annotationView = annotationView;
|
||
context.viewReuseIdentifier = annotationView.reuseIdentifier;
|
||
}
|
||
|
||
_annotationTagsByAnnotation[annotation] = annotationTag;
|
||
_annotationContextsByAnnotationTag[annotationTag] = context;
|
||
|
||
if ([annotation isKindOfClass:[NSObject class]]) {
|
||
NSAssert(![annotation isKindOfClass:[MGLMultiPoint class]], @"Point annotation should not be MGLMultiPoint.");
|
||
[(NSObject *)annotation addObserver:self forKeyPath:@"coordinate" options:0 context:(void *)(NSUInteger)annotationTag];
|
||
}
|
||
}
|
||
}
|
||
|
||
[self updateAnnotationContainerViewWithAnnotationViews:newAnnotationViews];
|
||
|
||
[self didChangeValueForKey:@"annotations"];
|
||
if (_isChangingAnnotationLayers)
|
||
{
|
||
[self.style willChangeValueForKey:@"layers"];
|
||
}
|
||
|
||
if ([self.delegate respondsToSelector:@selector(mapView:didAddAnnotationViews:)])
|
||
{
|
||
[self.delegate mapView:self didAddAnnotationViews:newAnnotationViews];
|
||
}
|
||
|
||
UIAccessibilityPostNotification(UIAccessibilityLayoutChangedNotification, nil);
|
||
}
|
||
|
||
- (void)updateAnnotationContainerViewWithAnnotationViews:(NSArray<MGLAnnotationView *> *)annotationViews
|
||
{
|
||
if (annotationViews.count == 0) return;
|
||
|
||
MGLAnnotationContainerView *newAnnotationContainerView;
|
||
if (self.annotationContainerView)
|
||
{
|
||
// reload any previously added views
|
||
newAnnotationContainerView = [MGLAnnotationContainerView annotationContainerViewWithAnnotationContainerView:self.annotationContainerView];
|
||
[self.annotationContainerView removeFromSuperview];
|
||
}
|
||
else
|
||
{
|
||
newAnnotationContainerView = [[MGLAnnotationContainerView alloc] initWithFrame:self.bounds];
|
||
}
|
||
newAnnotationContainerView.autoresizingMask = UIViewAutoresizingFlexibleWidth | UIViewAutoresizingFlexibleHeight;
|
||
newAnnotationContainerView.contentMode = UIViewContentModeCenter;
|
||
[newAnnotationContainerView addSubviews:annotationViews];
|
||
[_glView insertSubview:newAnnotationContainerView atIndex:0];
|
||
self.annotationContainerView = newAnnotationContainerView;
|
||
}
|
||
|
||
/// Initialize and return a default annotation image that depicts a round pin
|
||
/// rising from the center, with a shadow slightly below center. The alignment
|
||
/// rect therefore excludes the bottom half.
|
||
- (MGLAnnotationImage *)defaultAnnotationImage
|
||
{
|
||
UIImage *image = [MGLMapView resourceImageNamed:MGLDefaultStyleMarkerSymbolName];
|
||
image = [image imageWithAlignmentRectInsets:
|
||
UIEdgeInsetsMake(0, 0, image.size.height / 2, 0)];
|
||
MGLAnnotationImage *annotationImage = [MGLAnnotationImage annotationImageWithImage:image
|
||
reuseIdentifier:MGLDefaultStyleMarkerSymbolName];
|
||
annotationImage.styleIconIdentifier = [MGLAnnotationSpritePrefix stringByAppendingString:annotationImage.reuseIdentifier];
|
||
return annotationImage;
|
||
}
|
||
|
||
- (MGLAnnotationImage *)invisibleAnnotationImage
|
||
{
|
||
MGLAnnotationImage *annotationImage = [self dequeueReusableAnnotationImageWithIdentifier:MGLInvisibleStyleMarkerSymbolName];
|
||
|
||
if (!annotationImage)
|
||
{
|
||
UIGraphicsBeginImageContext(CGSizeMake(1, 1));
|
||
UIImage *image = UIGraphicsGetImageFromCurrentImageContext();
|
||
UIGraphicsEndImageContext();
|
||
annotationImage = [MGLAnnotationImage annotationImageWithImage:image
|
||
reuseIdentifier:MGLInvisibleStyleMarkerSymbolName];
|
||
annotationImage.styleIconIdentifier = [MGLAnnotationSpritePrefix stringByAppendingString:annotationImage.reuseIdentifier];
|
||
}
|
||
|
||
return annotationImage;
|
||
}
|
||
|
||
- (MGLAnnotationView *)annotationViewForAnnotation:(id<MGLAnnotation>)annotation
|
||
{
|
||
MGLAnnotationView *annotationView = [self.delegate mapView:self viewForAnnotation:annotation];
|
||
|
||
if (annotationView)
|
||
{
|
||
// Make sure that the annotation views are selected/deselected correctly because
|
||
// annotations are not dismissed when they move out of the visible bounds
|
||
BOOL isViewForSelectedAnnotation = self.selectedAnnotation == annotation;
|
||
[annotationView setSelected:isViewForSelectedAnnotation];
|
||
|
||
annotationView.annotation = annotation;
|
||
annotationView.mapView = self;
|
||
CGRect bounds = UIEdgeInsetsInsetRect({ CGPointZero, annotationView.frame.size }, annotationView.alignmentRectInsets);
|
||
|
||
// Take any offset into consideration
|
||
CGFloat adjustedAnnotationWidth = CGRectGetWidth(bounds) + fabs(annotationView.centerOffset.dx);
|
||
CGFloat adjustedAnnotationHeight = CGRectGetHeight(bounds) + fabs(annotationView.centerOffset.dx);
|
||
|
||
_largestAnnotationViewSize = CGSizeMake(MAX(_largestAnnotationViewSize.width, adjustedAnnotationWidth),
|
||
MAX(_largestAnnotationViewSize.height, adjustedAnnotationHeight));
|
||
|
||
_unionedAnnotationRepresentationSize = CGSizeMake(MAX(_unionedAnnotationRepresentationSize.width, _largestAnnotationViewSize.width),
|
||
MAX(_unionedAnnotationRepresentationSize.height, _largestAnnotationViewSize.height));
|
||
}
|
||
|
||
return annotationView;
|
||
}
|
||
|
||
- (nullable MGLAnnotationView *)viewForAnnotation:(id<MGLAnnotation>)annotation
|
||
{
|
||
if (annotation == self.userLocation)
|
||
{
|
||
return self.userLocationAnnotationView;
|
||
}
|
||
MGLAnnotationTag annotationTag = [self annotationTagForAnnotation:annotation];
|
||
if (annotationTag == MGLAnnotationTagNotFound) {
|
||
return nil;
|
||
}
|
||
MGLAnnotationContext &annotationContext = _annotationContextsByAnnotationTag.at(annotationTag);
|
||
return annotationContext.annotationView;
|
||
}
|
||
|
||
- (double)alphaForShapeAnnotation:(MGLShape *)annotation
|
||
{
|
||
if (_delegateHasAlphasForShapeAnnotations)
|
||
{
|
||
return [self.delegate mapView:self alphaForShapeAnnotation:annotation];
|
||
}
|
||
return 1.0;
|
||
}
|
||
|
||
- (mbgl::Color)strokeColorForShapeAnnotation:(MGLShape *)annotation
|
||
{
|
||
UIColor *color = (_delegateHasStrokeColorsForShapeAnnotations
|
||
? [self.delegate mapView:self strokeColorForShapeAnnotation:annotation]
|
||
: self.tintColor);
|
||
return color.mgl_color;
|
||
}
|
||
|
||
- (mbgl::Color)fillColorForPolygonAnnotation:(MGLPolygon *)annotation
|
||
{
|
||
UIColor *color = (_delegateHasFillColorsForShapeAnnotations
|
||
? [self.delegate mapView:self fillColorForPolygonAnnotation:annotation]
|
||
: self.tintColor);
|
||
return color.mgl_color;
|
||
}
|
||
|
||
- (CGFloat)lineWidthForPolylineAnnotation:(MGLPolyline *)annotation
|
||
{
|
||
if (_delegateHasLineWidthsForShapeAnnotations)
|
||
{
|
||
return [self.delegate mapView:self lineWidthForPolylineAnnotation:(MGLPolyline *)annotation];
|
||
}
|
||
return 3.0;
|
||
}
|
||
|
||
- (void)installAnnotationImage:(MGLAnnotationImage *)annotationImage
|
||
{
|
||
NSString *iconIdentifier = annotationImage.styleIconIdentifier;
|
||
self.annotationImagesByIdentifier[annotationImage.reuseIdentifier] = annotationImage;
|
||
annotationImage.delegate = self;
|
||
|
||
// add sprite
|
||
_mbglMap->addAnnotationImage([annotationImage.image mgl_styleImageWithIdentifier:iconIdentifier]);
|
||
|
||
// Create a slop area with a “radius” equal in size to the annotation
|
||
// image’s alignment rect, allowing the eventual tap to be on any point
|
||
// within this image. Union this slop area with any existing slop areas.
|
||
CGRect bounds = UIEdgeInsetsInsetRect({ CGPointZero, annotationImage.image.size },
|
||
annotationImage.image.alignmentRectInsets);
|
||
_unionedAnnotationRepresentationSize = CGSizeMake(MAX(_unionedAnnotationRepresentationSize.width, bounds.size.width),
|
||
MAX(_unionedAnnotationRepresentationSize.height, bounds.size.height));
|
||
}
|
||
|
||
- (void)removeAnnotation:(id <MGLAnnotation>)annotation
|
||
{
|
||
if ( ! annotation) return;
|
||
|
||
// The core bulk deletion API is efficient with respect to indexing
|
||
// and screen refreshes, thus we should defer to it even for
|
||
// individual deletes.
|
||
//
|
||
[self removeAnnotations:@[ annotation ]];
|
||
}
|
||
|
||
- (void)removeAnnotations:(NSArray<id <MGLAnnotation>> *)annotations
|
||
{
|
||
if ( ! annotations) return;
|
||
|
||
[self willChangeValueForKey:@"annotations"];
|
||
|
||
for (id <MGLAnnotation> annotation in annotations)
|
||
{
|
||
NSAssert([annotation conformsToProtocol:@protocol(MGLAnnotation)], @"annotation should conform to MGLAnnotation");
|
||
|
||
MGLAnnotationTag annotationTag = [self annotationTagForAnnotation:annotation];
|
||
if (annotationTag == MGLAnnotationTagNotFound)
|
||
{
|
||
continue;
|
||
}
|
||
|
||
MGLAnnotationContext &annotationContext = _annotationContextsByAnnotationTag.at(annotationTag);
|
||
MGLAnnotationView *annotationView = annotationContext.annotationView;
|
||
|
||
if (annotationContext.viewReuseIdentifier)
|
||
{
|
||
NSMutableArray *annotationViewReuseQueue = [self annotationViewReuseQueueForIdentifier:annotationContext.viewReuseIdentifier];
|
||
if (![annotationViewReuseQueue containsObject:annotationView])
|
||
{
|
||
[annotationViewReuseQueue removeObject:annotationView];
|
||
}
|
||
}
|
||
|
||
annotationView.annotation = nil;
|
||
[annotationView removeFromSuperview];
|
||
[self.annotationContainerView.annotationViews removeObject:annotationView];
|
||
|
||
if (annotationTag == _selectedAnnotationTag)
|
||
{
|
||
[self deselectAnnotation:annotation animated:NO];
|
||
}
|
||
|
||
_annotationContextsByAnnotationTag.erase(annotationTag);
|
||
_annotationTagsByAnnotation.erase(annotation);
|
||
|
||
if ([annotation isKindOfClass:[NSObject class]] && ![annotation isKindOfClass:[MGLMultiPoint class]])
|
||
{
|
||
[(NSObject *)annotation removeObserver:self forKeyPath:@"coordinate" context:(void *)(NSUInteger)annotationTag];
|
||
}
|
||
else if ([annotation isKindOfClass:[MGLMultiPoint class]])
|
||
{
|
||
[(NSObject *)annotation removeObserver:self forKeyPath:@"coordinates" context:(void *)(NSUInteger)annotationTag];
|
||
}
|
||
|
||
_isChangingAnnotationLayers = YES;
|
||
_mbglMap->removeAnnotation(annotationTag);
|
||
}
|
||
|
||
[self didChangeValueForKey:@"annotations"];
|
||
UIAccessibilityPostNotification(UIAccessibilityLayoutChangedNotification, nil);
|
||
if (_isChangingAnnotationLayers)
|
||
{
|
||
[self.style willChangeValueForKey:@"layers"];
|
||
}
|
||
}
|
||
|
||
- (nonnull NSArray<id <MGLOverlay>> *)overlays
|
||
{
|
||
if (self.annotations == nil) { return @[]; }
|
||
|
||
NSMutableArray<id <MGLOverlay>> *mutableOverlays = [NSMutableArray array];
|
||
|
||
[self.annotations enumerateObjectsUsingBlock:^(id<MGLAnnotation> _Nonnull annotation, NSUInteger idx, BOOL * _Nonnull stop) {
|
||
if ([annotation conformsToProtocol:@protocol(MGLOverlay)])
|
||
{
|
||
[mutableOverlays addObject:(id<MGLOverlay>)annotation];
|
||
}
|
||
}];
|
||
|
||
return [NSArray arrayWithArray:mutableOverlays];
|
||
}
|
||
|
||
- (void)addOverlay:(id <MGLOverlay>)overlay
|
||
{
|
||
[self addOverlays:@[ overlay ]];
|
||
}
|
||
|
||
- (void)addOverlays:(NSArray<id <MGLOverlay>> *)overlays
|
||
{
|
||
#if DEBUG
|
||
for (id <MGLOverlay> overlay in overlays)
|
||
{
|
||
NSAssert([overlay conformsToProtocol:@protocol(MGLOverlay)], @"overlay should conform to MGLOverlay");
|
||
}
|
||
#endif
|
||
|
||
[self addAnnotations:overlays];
|
||
}
|
||
|
||
- (void)removeOverlay:(id <MGLOverlay>)overlay
|
||
{
|
||
[self removeOverlays:@[ overlay ]];
|
||
}
|
||
|
||
- (void)removeOverlays:(NSArray<id <MGLOverlay>> *)overlays
|
||
{
|
||
#if DEBUG
|
||
for (id <MGLOverlay> overlay in overlays)
|
||
{
|
||
NSAssert([overlay conformsToProtocol:@protocol(MGLOverlay)], @"overlay should conform to MGLOverlay");
|
||
}
|
||
#endif
|
||
|
||
[self removeAnnotations:overlays];
|
||
}
|
||
|
||
- (nullable MGLAnnotationImage *)dequeueReusableAnnotationImageWithIdentifier:(NSString *)identifier
|
||
{
|
||
return self.annotationImagesByIdentifier[identifier];
|
||
}
|
||
|
||
- (nullable MGLAnnotationView *)dequeueReusableAnnotationViewWithIdentifier:(NSString *)identifier
|
||
{
|
||
NSMutableArray *annotationViewReuseQueue = [self annotationViewReuseQueueForIdentifier:identifier];
|
||
MGLAnnotationView *reusableView = annotationViewReuseQueue.firstObject;
|
||
[reusableView prepareForReuse];
|
||
[annotationViewReuseQueue removeObject:reusableView];
|
||
|
||
return reusableView;
|
||
}
|
||
|
||
/**
|
||
Returns the tag of the annotation at the given point in the view.
|
||
|
||
This is more involved than it sounds: if multiple point annotations overlap
|
||
near the point, this method cycles through them so that each of them is
|
||
accessible to the user at some point.
|
||
|
||
@param persist True to remember the cycleable set of annotations, so that a
|
||
different annotation is returned the next time this method is called
|
||
with the same point. Setting this parameter to false is useful for
|
||
asking “what if?”
|
||
*/
|
||
- (MGLAnnotationTag)annotationTagAtPoint:(CGPoint)point persistingResults:(BOOL)persist
|
||
{
|
||
// Look for any annotation near the tap. An annotation is “near” if the
|
||
// distance between its center and the tap is less than the maximum height
|
||
// or width of an installed annotation image or annotation view.
|
||
CGRect queryRect = CGRectInset({ point, CGSizeZero },
|
||
-_unionedAnnotationRepresentationSize.width,
|
||
-_unionedAnnotationRepresentationSize.height);
|
||
queryRect = CGRectInset(queryRect, -MGLAnnotationImagePaddingForHitTest,
|
||
-MGLAnnotationImagePaddingForHitTest);
|
||
std::vector<MGLAnnotationTag> nearbyAnnotations = [self annotationTagsInRect:queryRect];
|
||
std::vector<MGLAnnotationTag> nearbyShapeAnnotations = [self shapeAnnotationTagsInRect:queryRect];
|
||
|
||
if (nearbyShapeAnnotations.size()) {
|
||
nearbyAnnotations.insert(nearbyAnnotations.end(), nearbyShapeAnnotations.begin(), nearbyShapeAnnotations.end());
|
||
}
|
||
|
||
if (nearbyAnnotations.size())
|
||
{
|
||
// Assume that the user is fat-fingering an annotation.
|
||
CGRect hitRect = CGRectInset({ point, CGSizeZero },
|
||
-MGLAnnotationImagePaddingForHitTest,
|
||
-MGLAnnotationImagePaddingForHitTest);
|
||
|
||
// Filter out any annotation whose image or view is unselectable or for which
|
||
// hit testing fails.
|
||
auto end = std::remove_if(nearbyAnnotations.begin(), nearbyAnnotations.end(), [&](const MGLAnnotationTag annotationTag) {
|
||
id <MGLAnnotation> annotation = [self annotationWithTag:annotationTag];
|
||
NSAssert(annotation, @"Unknown annotation found nearby tap");
|
||
if ( ! annotation)
|
||
{
|
||
return true;
|
||
}
|
||
|
||
MGLAnnotationContext annotationContext = _annotationContextsByAnnotationTag.at(annotationTag);
|
||
CGRect annotationRect;
|
||
|
||
MGLAnnotationView *annotationView = annotationContext.annotationView;
|
||
|
||
if (annotationView)
|
||
{
|
||
if ( ! annotationView.enabled)
|
||
{
|
||
return true;
|
||
}
|
||
|
||
CGPoint calloutAnchorPoint = MGLPointRounded([self convertCoordinate:annotation.coordinate toPointToView:self]);
|
||
CGRect frame = CGRectInset({ calloutAnchorPoint, CGSizeZero }, -CGRectGetWidth(annotationView.frame) / 2, -CGRectGetHeight(annotationView.frame) / 2);
|
||
|
||
// We need to take any offset into consideration. Note that a large offset will result in a
|
||
// large value for `_unionedAnnotationRepresentationSize` (and thus a larger feature query rect).
|
||
// Aim to keep the offset as small as possible.
|
||
frame = CGRectOffset(frame, annotationView.centerOffset.dx, annotationView.centerOffset.dy);
|
||
|
||
annotationRect = UIEdgeInsetsInsetRect(frame, annotationView.alignmentRectInsets);
|
||
}
|
||
else
|
||
{
|
||
if ([annotation isKindOfClass:[MGLMultiPoint class]])
|
||
{
|
||
if ([self.delegate respondsToSelector:@selector(mapView:shapeAnnotationIsEnabled:)]) {
|
||
return !!(![self.delegate mapView:self shapeAnnotationIsEnabled:(MGLMultiPoint *)annotation]);
|
||
} else {
|
||
return false;
|
||
}
|
||
}
|
||
|
||
MGLAnnotationImage *annotationImage = [self imageOfAnnotationWithTag:annotationTag];
|
||
if ( ! annotationImage.enabled)
|
||
{
|
||
return true;
|
||
}
|
||
|
||
MGLAnnotationImage *fallbackAnnotationImage = [self dequeueReusableAnnotationImageWithIdentifier:MGLDefaultStyleMarkerSymbolName];
|
||
UIImage *fallbackImage = fallbackAnnotationImage.image;
|
||
|
||
annotationRect = [self frameOfImage:annotationImage.image ?: fallbackImage centeredAtCoordinate:annotation.coordinate];
|
||
}
|
||
|
||
// Filter out the annotation if the fattened finger didn’t land
|
||
// within the image’s alignment rect.
|
||
return !!!CGRectIntersectsRect(annotationRect, hitRect);
|
||
});
|
||
|
||
nearbyAnnotations.resize(std::distance(nearbyAnnotations.begin(), end));
|
||
|
||
}
|
||
|
||
MGLAnnotationTag hitAnnotationTag = MGLAnnotationTagNotFound;
|
||
if (nearbyAnnotations.size())
|
||
{
|
||
// The first selection in the cycle should be the one nearest to the
|
||
// tap. Also the annotation tags need to be stable in order to compare them with
|
||
// the remembered tags _annotationsNearbyLastTap.
|
||
CLLocationCoordinate2D currentCoordinate = [self convertPoint:point toCoordinateFromView:self];
|
||
std::sort(nearbyAnnotations.begin(), nearbyAnnotations.end(), [&](const MGLAnnotationTag tagA, const MGLAnnotationTag tagB) {
|
||
CLLocationCoordinate2D coordinateA = [[self annotationWithTag:tagA] coordinate];
|
||
CLLocationCoordinate2D coordinateB = [[self annotationWithTag:tagB] coordinate];
|
||
CLLocationDegrees deltaA = hypot(coordinateA.latitude - currentCoordinate.latitude,
|
||
coordinateA.longitude - currentCoordinate.longitude);
|
||
CLLocationDegrees deltaB = hypot(coordinateB.latitude - currentCoordinate.latitude,
|
||
coordinateB.longitude - currentCoordinate.longitude);
|
||
return deltaA < deltaB;
|
||
});
|
||
|
||
if (nearbyAnnotations == _annotationsNearbyLastTap)
|
||
{
|
||
// The last time we persisted a set of annotations, we had the same
|
||
// set of annotations as we do now. Cycle through them.
|
||
if (_selectedAnnotationTag == MGLAnnotationTagNotFound
|
||
|| _selectedAnnotationTag == nearbyAnnotations.back())
|
||
{
|
||
// Either no annotation is selected or the last annotation in
|
||
// the set was selected. Wrap around to the first annotation in
|
||
// the set.
|
||
hitAnnotationTag = nearbyAnnotations.front();
|
||
}
|
||
else
|
||
{
|
||
auto result = std::find(nearbyAnnotations.begin(),
|
||
nearbyAnnotations.end(),
|
||
_selectedAnnotationTag);
|
||
if (result == nearbyAnnotations.end())
|
||
{
|
||
// An annotation from this set hasn’t been selected before.
|
||
// Select the first (nearest) one.
|
||
hitAnnotationTag = nearbyAnnotations.front();
|
||
}
|
||
else
|
||
{
|
||
// Step to the next annotation in the set.
|
||
auto distance = std::distance(nearbyAnnotations.begin(), result);
|
||
hitAnnotationTag = nearbyAnnotations[distance + 1];
|
||
}
|
||
}
|
||
}
|
||
else
|
||
{
|
||
// Remember the nearby annotations for the next time this method is
|
||
// called.
|
||
if (persist)
|
||
{
|
||
_annotationsNearbyLastTap = nearbyAnnotations;
|
||
}
|
||
|
||
// Choose the first nearby annotation.
|
||
if (nearbyAnnotations.size())
|
||
{
|
||
hitAnnotationTag = nearbyAnnotations.front();
|
||
}
|
||
}
|
||
}
|
||
|
||
return hitAnnotationTag;
|
||
}
|
||
|
||
/// Returns the tags of the annotations coincident with the given rectangle.
|
||
- (std::vector<MGLAnnotationTag>)annotationTagsInRect:(CGRect)rect
|
||
{
|
||
return _rendererFrontend->getRenderer()->queryPointAnnotations({
|
||
{ CGRectGetMinX(rect), CGRectGetMinY(rect) },
|
||
{ CGRectGetMaxX(rect), CGRectGetMaxY(rect) },
|
||
});
|
||
}
|
||
|
||
- (std::vector<MGLAnnotationTag>)shapeAnnotationTagsInRect:(CGRect)rect
|
||
{
|
||
return _rendererFrontend->getRenderer()->queryShapeAnnotations({
|
||
{ CGRectGetMinX(rect), CGRectGetMinY(rect) },
|
||
{ CGRectGetMaxX(rect), CGRectGetMaxY(rect) },
|
||
});
|
||
}
|
||
|
||
|
||
- (BOOL)isBringingAnnotationOnscreenSupportedForAnnotation:(id<MGLAnnotation>)annotation animated:(BOOL)animated {
|
||
// Consider delegating
|
||
return animated && [annotation isKindOfClass:[MGLPointAnnotation class]];
|
||
}
|
||
|
||
- (id <MGLAnnotation>)selectedAnnotation
|
||
{
|
||
if (_userLocationAnnotationIsSelected)
|
||
{
|
||
return self.userLocation;
|
||
}
|
||
|
||
if ( ! _annotationContextsByAnnotationTag.count(_selectedAnnotationTag) ||
|
||
_selectedAnnotationTag == MGLAnnotationTagNotFound) {
|
||
return nil;
|
||
}
|
||
|
||
MGLAnnotationContext &annotationContext = _annotationContextsByAnnotationTag.at(_selectedAnnotationTag);
|
||
return annotationContext.annotation;
|
||
}
|
||
|
||
- (void)setSelectedAnnotation:(id <MGLAnnotation>)annotation
|
||
{
|
||
[self willChangeValueForKey:@"selectedAnnotations"];
|
||
_selectedAnnotationTag = [self annotationTagForAnnotation:annotation];
|
||
_userLocationAnnotationIsSelected = annotation && annotation == self.userLocation;
|
||
[self didChangeValueForKey:@"selectedAnnotations"];
|
||
}
|
||
|
||
- (NSArray<id <MGLAnnotation>> *)selectedAnnotations
|
||
{
|
||
id <MGLAnnotation> selectedAnnotation = self.selectedAnnotation;
|
||
return (selectedAnnotation ? @[ selectedAnnotation ] : @[]);
|
||
}
|
||
|
||
- (void)setSelectedAnnotations:(NSArray<id <MGLAnnotation>> *)selectedAnnotations
|
||
{
|
||
if ( ! selectedAnnotations.count) return;
|
||
|
||
id <MGLAnnotation> firstAnnotation = selectedAnnotations[0];
|
||
|
||
NSAssert([firstAnnotation conformsToProtocol:@protocol(MGLAnnotation)], @"annotation should conform to MGLAnnotation");
|
||
|
||
if ([firstAnnotation isKindOfClass:[MGLMultiPoint class]]) return;
|
||
|
||
[self selectAnnotation:firstAnnotation animated:YES];
|
||
}
|
||
|
||
- (void)selectAnnotation:(id <MGLAnnotation>)annotation animated:(BOOL)animated
|
||
{
|
||
CGRect positioningRect = [self positioningRectForAnnotation:annotation defaultCalloutPoint:CGPointZero];
|
||
[self selectAnnotation:annotation moveOnscreen:animated animateSelection:YES calloutPositioningRect:positioningRect];
|
||
}
|
||
|
||
- (void)selectAnnotation:(id <MGLAnnotation>)annotation moveOnscreen:(BOOL)moveOnscreen animateSelection:(BOOL)animateSelection calloutPositioningRect:(CGRect)calloutPositioningRect
|
||
{
|
||
if ( ! annotation) return;
|
||
|
||
if (annotation == self.selectedAnnotation) return;
|
||
|
||
[self deselectAnnotation:self.selectedAnnotation animated:NO];
|
||
|
||
// Add the annotation to the map if it hasn’t been added yet.
|
||
MGLAnnotationTag annotationTag = [self annotationTagForAnnotation:annotation];
|
||
if (annotationTag == MGLAnnotationTagNotFound && annotation != self.userLocation)
|
||
{
|
||
[self addAnnotation:annotation];
|
||
annotationTag = [self annotationTagForAnnotation:annotation];
|
||
if (annotationTag == MGLAnnotationTagNotFound) return;
|
||
}
|
||
|
||
MGLAnnotationView *annotationView = nil;
|
||
|
||
if (annotation != self.userLocation)
|
||
if (annotationTag != MGLAnnotationTagNotFound) {
|
||
MGLAnnotationContext &annotationContext = _annotationContextsByAnnotationTag.at(annotationTag);
|
||
annotationView = annotationContext.annotationView;
|
||
if (annotationView && annotationView.enabled) {
|
||
// Annotations represented by views use the view frame as the positioning rect.
|
||
calloutPositioningRect = annotationView.frame;
|
||
[annotationView.superview bringSubviewToFront:annotationView];
|
||
|
||
[annotationView setSelected:YES animated:animateSelection];
|
||
}
|
||
}
|
||
|
||
self.selectedAnnotation = annotation;
|
||
|
||
// Determine if we're allowed to move this offscreen annotation on screen, even though we've asked it to
|
||
if (moveOnscreen) {
|
||
moveOnscreen = [self isBringingAnnotationOnscreenSupportedForAnnotation:annotation animated:animateSelection];
|
||
}
|
||
|
||
// If we have an invalid positioning rect, we need to provide a suitable default.
|
||
// This (currently) happens if you select an annotation that has NOT yet been
|
||
// added. See https://github.com/mapbox/mapbox-gl-native/issues/11476
|
||
if (CGRectIsNull(calloutPositioningRect)) {
|
||
CLLocationCoordinate2D origin = annotation.coordinate;
|
||
CGPoint originPoint = [self convertCoordinate:origin toPointToView:self];
|
||
calloutPositioningRect = { .origin = originPoint, .size = CGSizeZero };
|
||
}
|
||
|
||
CGRect expandedPositioningRect = UIEdgeInsetsInsetRect(calloutPositioningRect, MGLMapViewOffscreenAnnotationPadding);
|
||
|
||
// Used for callout positioning, and moving offscreen annotations onscreen.
|
||
CGRect constrainedRect = UIEdgeInsetsInsetRect(self.bounds, self.contentInset);
|
||
|
||
UIView <MGLCalloutView> *calloutView = nil;
|
||
|
||
if ([annotation respondsToSelector:@selector(title)] &&
|
||
annotation.title &&
|
||
[self.delegate respondsToSelector:@selector(mapView:annotationCanShowCallout:)] &&
|
||
[self.delegate mapView:self annotationCanShowCallout:annotation])
|
||
{
|
||
// build the callout
|
||
if ([self.delegate respondsToSelector:@selector(mapView:calloutViewForAnnotation:)])
|
||
{
|
||
id providedCalloutView = [self.delegate mapView:self calloutViewForAnnotation:annotation];
|
||
if (providedCalloutView) {
|
||
if (![providedCalloutView isKindOfClass:[UIView class]]) {
|
||
[NSException raise:NSInvalidArgumentException format:@"Callout view must be a kind of UIView"];
|
||
}
|
||
NSAssert([providedCalloutView conformsToProtocol:@protocol(MGLCalloutView)], @"callout view must conform to MGLCalloutView");
|
||
calloutView = providedCalloutView;
|
||
}
|
||
}
|
||
if (!calloutView)
|
||
{
|
||
calloutView = [self calloutViewForAnnotation:annotation];
|
||
}
|
||
self.calloutViewForSelectedAnnotation = calloutView;
|
||
|
||
if (_userLocationAnnotationIsSelected)
|
||
{
|
||
calloutPositioningRect = [self.userLocationAnnotationView.layer.presentationLayer frame];
|
||
|
||
CGRect implicitAnnotationFrame = [self.userLocationAnnotationView.layer.presentationLayer frame];
|
||
CGRect explicitAnnotationFrame = self.userLocationAnnotationView.frame;
|
||
_initialImplicitCalloutViewOffset = CGPointMake(CGRectGetMinX(explicitAnnotationFrame) - CGRectGetMinX(implicitAnnotationFrame),
|
||
CGRectGetMinY(explicitAnnotationFrame) - CGRectGetMinY(implicitAnnotationFrame));
|
||
}
|
||
|
||
// consult delegate for left and/or right accessory views
|
||
if ([self.delegate respondsToSelector:@selector(mapView:leftCalloutAccessoryViewForAnnotation:)])
|
||
{
|
||
calloutView.leftAccessoryView = [self.delegate mapView:self leftCalloutAccessoryViewForAnnotation:annotation];
|
||
|
||
if ([calloutView.leftAccessoryView isKindOfClass:[UIControl class]])
|
||
{
|
||
UITapGestureRecognizer *calloutAccessoryTap = [[UITapGestureRecognizer alloc] initWithTarget:self
|
||
action:@selector(handleCalloutAccessoryTapGesture:)];
|
||
|
||
[calloutView.leftAccessoryView addGestureRecognizer:calloutAccessoryTap];
|
||
}
|
||
}
|
||
|
||
if ([self.delegate respondsToSelector:@selector(mapView:rightCalloutAccessoryViewForAnnotation:)])
|
||
{
|
||
calloutView.rightAccessoryView = [self.delegate mapView:self rightCalloutAccessoryViewForAnnotation:annotation];
|
||
|
||
if ([calloutView.rightAccessoryView isKindOfClass:[UIControl class]])
|
||
{
|
||
UITapGestureRecognizer *calloutAccessoryTap = [[UITapGestureRecognizer alloc] initWithTarget:self
|
||
action:@selector(handleCalloutAccessoryTapGesture:)];
|
||
|
||
[calloutView.rightAccessoryView addGestureRecognizer:calloutAccessoryTap];
|
||
}
|
||
}
|
||
|
||
// set annotation delegate to handle taps on the callout view
|
||
calloutView.delegate = self;
|
||
|
||
// If the callout view provides inset (outset) information, we can use it to expand our positioning
|
||
// rect, which we then use to help move the annotation on-screen if want need to.
|
||
if (moveOnscreen && [calloutView respondsToSelector:@selector(marginInsetsHintForPresentationFromRect:)]) {
|
||
UIEdgeInsets margins = [calloutView marginInsetsHintForPresentationFromRect:calloutPositioningRect];
|
||
expandedPositioningRect = UIEdgeInsetsInsetRect(expandedPositioningRect, margins);
|
||
}
|
||
}
|
||
|
||
if (moveOnscreen)
|
||
{
|
||
moveOnscreen = NO;
|
||
|
||
// Need to consider the content insets.
|
||
CGRect bounds = UIEdgeInsetsInsetRect(self.bounds, self.contentInset);
|
||
|
||
// Any one of these cases should trigger a move onscreen
|
||
if (CGRectGetMinX(calloutPositioningRect) < CGRectGetMinX(bounds))
|
||
{
|
||
constrainedRect.origin.x = expandedPositioningRect.origin.x;
|
||
moveOnscreen = YES;
|
||
}
|
||
else if (CGRectGetMaxX(calloutPositioningRect) > CGRectGetMaxX(bounds))
|
||
{
|
||
constrainedRect.origin.x = CGRectGetMaxX(expandedPositioningRect) - constrainedRect.size.width;
|
||
moveOnscreen = YES;
|
||
}
|
||
|
||
if (CGRectGetMinY(calloutPositioningRect) < CGRectGetMinY(bounds))
|
||
{
|
||
constrainedRect.origin.y = expandedPositioningRect.origin.y;
|
||
moveOnscreen = YES;
|
||
}
|
||
else if (CGRectGetMaxY(calloutPositioningRect) > CGRectGetMaxY(bounds))
|
||
{
|
||
constrainedRect.origin.y = CGRectGetMaxY(expandedPositioningRect) - constrainedRect.size.height;
|
||
moveOnscreen = YES;
|
||
}
|
||
}
|
||
|
||
// Remember, calloutView can be nil here.
|
||
[calloutView presentCalloutFromRect:calloutPositioningRect
|
||
inView:self.glView
|
||
constrainedToRect:constrainedRect
|
||
animated:animateSelection];
|
||
|
||
// notify delegate
|
||
if ([self.delegate respondsToSelector:@selector(mapView:didSelectAnnotation:)])
|
||
{
|
||
[self.delegate mapView:self didSelectAnnotation:annotation];
|
||
}
|
||
|
||
if (annotationView && [self.delegate respondsToSelector:@selector(mapView:didSelectAnnotationView:)])
|
||
{
|
||
[self.delegate mapView:self didSelectAnnotationView:annotationView];
|
||
}
|
||
|
||
if (moveOnscreen)
|
||
{
|
||
CGPoint center = CGPointMake(CGRectGetMidX(constrainedRect), CGRectGetMidY(constrainedRect));
|
||
CLLocationCoordinate2D centerCoord = [self convertPoint:center toCoordinateFromView:self];
|
||
[self setCenterCoordinate:centerCoord animated:animateSelection];
|
||
}
|
||
}
|
||
|
||
- (MGLCompactCalloutView *)calloutViewForAnnotation:(id <MGLAnnotation>)annotation
|
||
{
|
||
MGLCompactCalloutView *calloutView = [MGLCompactCalloutView platformCalloutView];
|
||
calloutView.representedObject = annotation;
|
||
calloutView.tintColor = self.tintColor;
|
||
|
||
return calloutView;
|
||
}
|
||
|
||
/// Returns the rectangle that represents the annotation image of the annotation
|
||
/// with the given tag. This rectangle is fitted to the image’s alignment rect
|
||
/// and is appropriate for positioning a popover.
|
||
/// If a shape annotation is visible but its centroid is not, and a default point is specified,
|
||
/// the callout view is anchored to the default callout point.
|
||
- (CGRect)positioningRectForAnnotation:(id <MGLAnnotation>)annotation defaultCalloutPoint:(CGPoint)calloutPoint
|
||
{
|
||
MGLAnnotationTag annotationTag = [self annotationTagForAnnotation:annotation];
|
||
CGRect positioningRect = [self positioningRectForCalloutForAnnotationWithTag:annotationTag];
|
||
|
||
if (CGRectIsNull(positioningRect)) {
|
||
return positioningRect;
|
||
}
|
||
|
||
// For annotations which `coordinate` falls offscreen it will use the current tap point as anchor instead.
|
||
if ( ! CGRectIntersectsRect(positioningRect, self.bounds) && annotation != self.userLocation)
|
||
{
|
||
if (!CGPointEqualToPoint(calloutPoint, CGPointZero)) {
|
||
positioningRect = CGRectMake(calloutPoint.x, calloutPoint.y, positioningRect.size.width, positioningRect.size.height);
|
||
}
|
||
}
|
||
|
||
return positioningRect;
|
||
}
|
||
|
||
/// Returns the rectangle that represents the annotation image of the annotation
|
||
/// with the given tag. This rectangle is fitted to the image’s alignment rect
|
||
/// and is appropriate for positioning a popover.
|
||
- (CGRect)positioningRectForCalloutForAnnotationWithTag:(MGLAnnotationTag)annotationTag
|
||
{
|
||
id <MGLAnnotation> annotation = [self annotationWithTag:annotationTag];
|
||
if ( ! annotation)
|
||
{
|
||
return CGRectNull;
|
||
}
|
||
|
||
if ([annotation isKindOfClass:[MGLMultiPoint class]]) {
|
||
CLLocationCoordinate2D origin = annotation.coordinate;
|
||
CGPoint originPoint = [self convertCoordinate:origin toPointToView:self];
|
||
return CGRectMake(originPoint.x, originPoint.y, MGLAnnotationImagePaddingForHitTest, MGLAnnotationImagePaddingForHitTest);
|
||
}
|
||
|
||
UIImage *image = [self imageOfAnnotationWithTag:annotationTag].image;
|
||
if ( ! image)
|
||
{
|
||
image = [self dequeueReusableAnnotationImageWithIdentifier:MGLDefaultStyleMarkerSymbolName].image;
|
||
}
|
||
if ( ! image)
|
||
{
|
||
return CGRectZero;
|
||
}
|
||
|
||
CGRect positioningRect = [self frameOfImage:image centeredAtCoordinate:annotation.coordinate];
|
||
positioningRect.origin.x -= 0.5;
|
||
|
||
return CGRectInset(positioningRect, -MGLAnnotationImagePaddingForCallout,
|
||
-MGLAnnotationImagePaddingForCallout);
|
||
}
|
||
|
||
/// Returns the rectangle relative to the viewport that represents the given
|
||
/// image centered at the given coordinate.
|
||
- (CGRect)frameOfImage:(UIImage *)image centeredAtCoordinate:(CLLocationCoordinate2D)coordinate
|
||
{
|
||
CGPoint calloutAnchorPoint = MGLPointRounded([self convertCoordinate:coordinate toPointToView:self]);
|
||
CGRect frame = CGRectInset({ calloutAnchorPoint, CGSizeZero }, -image.size.width / 2, -image.size.height / 2);
|
||
return UIEdgeInsetsInsetRect(frame, image.alignmentRectInsets);
|
||
}
|
||
|
||
/// Returns the annotation image assigned to the annotation with the given tag.
|
||
- (MGLAnnotationImage *)imageOfAnnotationWithTag:(MGLAnnotationTag)annotationTag
|
||
{
|
||
if (annotationTag == MGLAnnotationTagNotFound
|
||
|| _annotationContextsByAnnotationTag.count(annotationTag) == 0)
|
||
{
|
||
return nil;
|
||
}
|
||
|
||
NSString *customSymbol = _annotationContextsByAnnotationTag.at(annotationTag).imageReuseIdentifier;
|
||
NSString *symbolName = customSymbol.length ? customSymbol : MGLDefaultStyleMarkerSymbolName;
|
||
|
||
return [self dequeueReusableAnnotationImageWithIdentifier:symbolName];
|
||
}
|
||
|
||
- (void)deselectAnnotation:(id <MGLAnnotation>)annotation animated:(BOOL)animated
|
||
{
|
||
if ( ! annotation) return;
|
||
|
||
if (self.selectedAnnotation == annotation)
|
||
{
|
||
// dismiss popup
|
||
[self.calloutViewForSelectedAnnotation dismissCalloutAnimated:animated];
|
||
|
||
// deselect annotation view
|
||
MGLAnnotationView *annotationView = nil;
|
||
MGLAnnotationTag annotationTag = [self annotationTagForAnnotation:annotation];
|
||
|
||
if (annotationTag != MGLAnnotationTagNotFound)
|
||
{
|
||
MGLAnnotationContext &annotationContext = _annotationContextsByAnnotationTag.at(annotationTag);
|
||
annotationView = annotationContext.annotationView;
|
||
[annotationView setSelected:NO animated:animated];
|
||
}
|
||
|
||
// clean up
|
||
self.calloutViewForSelectedAnnotation = nil;
|
||
self.selectedAnnotation = nil;
|
||
|
||
// notify delegate
|
||
if ([self.delegate respondsToSelector:@selector(mapView:didDeselectAnnotation:)])
|
||
{
|
||
[self.delegate mapView:self didDeselectAnnotation:annotation];
|
||
}
|
||
|
||
if (annotationView && [self.delegate respondsToSelector:@selector(mapView:didDeselectAnnotationView:)])
|
||
{
|
||
[self.delegate mapView:self didDeselectAnnotationView:annotationView];
|
||
}
|
||
}
|
||
}
|
||
|
||
- (void)calloutViewWillAppear:(UIView <MGLCalloutView> *)calloutView
|
||
{
|
||
if (_userLocationAnnotationIsSelected ||
|
||
CGPointEqualToPoint(_initialImplicitCalloutViewOffset, CGPointZero))
|
||
{
|
||
return;
|
||
}
|
||
|
||
__weak __typeof__(self) weakSelf = self;
|
||
|
||
// The user location callout view initially points to the user location
|
||
// annotation’s implicit (visual) frame, which is offset from the
|
||
// annotation’s explicit frame. Now the callout view needs to rendezvous
|
||
// with the explicit frame. Then,
|
||
// -updateUserLocationAnnotationViewAnimatedWithDuration: will take over the
|
||
// next time an updated location arrives.
|
||
[UIView animateWithDuration:_userLocationAnimationCompletionDate.timeIntervalSinceNow
|
||
delay:0
|
||
options:(UIViewAnimationOptionCurveLinear |
|
||
UIViewAnimationOptionAllowUserInteraction |
|
||
UIViewAnimationOptionBeginFromCurrentState)
|
||
animations:^
|
||
{
|
||
__typeof__(self) strongSelf = weakSelf;
|
||
if ( ! strongSelf)
|
||
{
|
||
return;
|
||
}
|
||
|
||
calloutView.frame = CGRectOffset(calloutView.frame,
|
||
strongSelf->_initialImplicitCalloutViewOffset.x,
|
||
strongSelf->_initialImplicitCalloutViewOffset.y);
|
||
strongSelf->_initialImplicitCalloutViewOffset = CGPointZero;
|
||
}
|
||
completion:NULL];
|
||
}
|
||
|
||
- (void)showAnnotations:(NSArray<id <MGLAnnotation>> *)annotations animated:(BOOL)animated
|
||
{
|
||
CGFloat maximumPadding = 100;
|
||
CGFloat yPadding = (self.frame.size.height / 5 <= maximumPadding) ? (self.frame.size.height / 5) : maximumPadding;
|
||
CGFloat xPadding = (self.frame.size.width / 5 <= maximumPadding) ? (self.frame.size.width / 5) : maximumPadding;
|
||
|
||
UIEdgeInsets edgeInsets = UIEdgeInsetsMake(yPadding, xPadding, yPadding, xPadding);
|
||
|
||
[self showAnnotations:annotations edgePadding:edgeInsets animated:animated];
|
||
}
|
||
|
||
- (void)showAnnotations:(NSArray<id <MGLAnnotation>> *)annotations edgePadding:(UIEdgeInsets)insets animated:(BOOL)animated
|
||
{
|
||
if ( ! annotations || ! annotations.count) return;
|
||
|
||
mbgl::LatLngBounds bounds = mbgl::LatLngBounds::empty();
|
||
|
||
for (id <MGLAnnotation> annotation in annotations)
|
||
{
|
||
if ([annotation conformsToProtocol:@protocol(MGLOverlay)])
|
||
{
|
||
bounds.extend(MGLLatLngBoundsFromCoordinateBounds(((id <MGLOverlay>)annotation).overlayBounds));
|
||
}
|
||
else
|
||
{
|
||
bounds.extend(MGLLatLngFromLocationCoordinate2D(annotation.coordinate));
|
||
}
|
||
}
|
||
|
||
[self setVisibleCoordinateBounds:MGLCoordinateBoundsFromLatLngBounds(bounds)
|
||
edgePadding:insets
|
||
animated:animated];
|
||
}
|
||
|
||
|
||
#pragma mark Annotation Image Delegate
|
||
|
||
- (void)annotationImageNeedsRedisplay:(MGLAnnotationImage *)annotationImage
|
||
{
|
||
NSString *reuseIdentifier = annotationImage.reuseIdentifier;
|
||
NSString *iconIdentifier = annotationImage.styleIconIdentifier;
|
||
NSString *fallbackReuseIdentifier = MGLDefaultStyleMarkerSymbolName;
|
||
NSString *fallbackIconIdentifier = [MGLAnnotationSpritePrefix stringByAppendingString:fallbackReuseIdentifier];
|
||
|
||
if (annotationImage.image)
|
||
{
|
||
// Add the new icon to the style.
|
||
NSString *updatedIconIdentifier = [MGLAnnotationSpritePrefix stringByAppendingString:annotationImage.reuseIdentifier];
|
||
annotationImage.styleIconIdentifier = updatedIconIdentifier;
|
||
[self installAnnotationImage:annotationImage];
|
||
|
||
if ([iconIdentifier isEqualToString:fallbackIconIdentifier])
|
||
{
|
||
// Update any annotations associated with the annotation image.
|
||
[self applyIconIdentifier:updatedIconIdentifier toAnnotationsWithImageReuseIdentifier:reuseIdentifier];
|
||
}
|
||
}
|
||
else
|
||
{
|
||
// Add the default icon to the style if necessary.
|
||
annotationImage.styleIconIdentifier = fallbackIconIdentifier;
|
||
if ( ! [self dequeueReusableAnnotationImageWithIdentifier:MGLDefaultStyleMarkerSymbolName])
|
||
{
|
||
[self installAnnotationImage:self.defaultAnnotationImage];
|
||
}
|
||
|
||
// Update any annotations associated with the annotation image.
|
||
[self applyIconIdentifier:fallbackIconIdentifier toAnnotationsWithImageReuseIdentifier:reuseIdentifier];
|
||
}
|
||
}
|
||
|
||
- (void)applyIconIdentifier:(NSString *)iconIdentifier toAnnotationsWithImageReuseIdentifier:(NSString *)reuseIdentifier
|
||
{
|
||
for (auto &pair : _annotationContextsByAnnotationTag)
|
||
{
|
||
if ([pair.second.imageReuseIdentifier isEqualToString:reuseIdentifier])
|
||
{
|
||
const mbgl::Point<double> point = MGLPointFromLocationCoordinate2D(pair.second.annotation.coordinate);
|
||
_mbglMap->updateAnnotation(pair.first, mbgl::SymbolAnnotation { point, iconIdentifier.UTF8String ?: "" });
|
||
}
|
||
}
|
||
}
|
||
|
||
#pragma mark - User Location -
|
||
|
||
- (void)setLocationManager:(nullable id<MGLLocationManager>)locationManager
|
||
{
|
||
if (!locationManager) {
|
||
locationManager = [[MGLCLLocationManager alloc] init];
|
||
}
|
||
[_locationManager stopUpdatingLocation];
|
||
[_locationManager stopUpdatingHeading];
|
||
_locationManager.delegate = nil;
|
||
|
||
_locationManager = locationManager;
|
||
_locationManager.delegate = self;
|
||
}
|
||
|
||
- (void)validateLocationServices
|
||
{
|
||
BOOL shouldEnableLocationServices = self.showsUserLocation && !self.dormant;
|
||
|
||
if (shouldEnableLocationServices)
|
||
{
|
||
if (self.locationManager.authorizationStatus == kCLAuthorizationStatusNotDetermined)
|
||
{
|
||
BOOL requiresWhenInUseUsageDescription = [NSProcessInfo.processInfo isOperatingSystemAtLeastVersion:(NSOperatingSystemVersion){11,0,0}];
|
||
BOOL hasWhenInUseUsageDescription = !![[NSBundle mainBundle] objectForInfoDictionaryKey:@"NSLocationWhenInUseUsageDescription"];
|
||
BOOL hasAlwaysUsageDescription;
|
||
if (requiresWhenInUseUsageDescription)
|
||
{
|
||
hasAlwaysUsageDescription = !![[NSBundle mainBundle] objectForInfoDictionaryKey:@"NSLocationAlwaysAndWhenInUseUsageDescription"] && hasWhenInUseUsageDescription;
|
||
}
|
||
else
|
||
{
|
||
hasAlwaysUsageDescription = !![[NSBundle mainBundle] objectForInfoDictionaryKey:@"NSLocationAlwaysUsageDescription"];
|
||
}
|
||
|
||
if (hasAlwaysUsageDescription)
|
||
{
|
||
[self.locationManager requestAlwaysAuthorization];
|
||
}
|
||
else if (hasWhenInUseUsageDescription)
|
||
{
|
||
[self.locationManager requestWhenInUseAuthorization];
|
||
}
|
||
else
|
||
{
|
||
NSString *suggestedUsageKeys = requiresWhenInUseUsageDescription ?
|
||
@"NSLocationWhenInUseUsageDescription and (optionally) NSLocationAlwaysAndWhenInUseUsageDescription" :
|
||
@"NSLocationWhenInUseUsageDescription and/or NSLocationAlwaysUsageDescription";
|
||
[NSException raise:MGLMissingLocationServicesUsageDescriptionException
|
||
format:@"This app must have a value for %@ in its Info.plist.", suggestedUsageKeys];
|
||
}
|
||
}
|
||
|
||
[self.locationManager startUpdatingLocation];
|
||
|
||
[self validateUserHeadingUpdating];
|
||
}
|
||
else if ( ! shouldEnableLocationServices && self.locationManager)
|
||
{
|
||
[self.locationManager stopUpdatingLocation];
|
||
[self.locationManager stopUpdatingHeading];
|
||
}
|
||
}
|
||
|
||
- (void)setShowsUserLocation:(BOOL)showsUserLocation
|
||
{
|
||
if (showsUserLocation == _showsUserLocation || _isTargetingInterfaceBuilder) return;
|
||
|
||
_showsUserLocation = showsUserLocation;
|
||
|
||
if (showsUserLocation)
|
||
{
|
||
if ([self.delegate respondsToSelector:@selector(mapViewWillStartLocatingUser:)])
|
||
{
|
||
[self.delegate mapViewWillStartLocatingUser:self];
|
||
}
|
||
|
||
self.userLocation = [[MGLUserLocation alloc] initWithMapView:self];
|
||
|
||
MGLUserLocationAnnotationView *userLocationAnnotationView;
|
||
|
||
if ([self.delegate respondsToSelector:@selector(mapView:viewForAnnotation:)])
|
||
{
|
||
userLocationAnnotationView = (MGLUserLocationAnnotationView *)[self.delegate mapView:self viewForAnnotation:self.userLocation];
|
||
if (userLocationAnnotationView && ! [userLocationAnnotationView isKindOfClass:MGLUserLocationAnnotationView.class])
|
||
{
|
||
[NSException raise:MGLUserLocationAnnotationTypeException
|
||
format:@"User location annotation view must be a kind of MGLUserLocationAnnotationView. %@", userLocationAnnotationView.debugDescription];
|
||
}
|
||
}
|
||
|
||
self.userLocationAnnotationView = userLocationAnnotationView ?: [[MGLFaux3DUserLocationAnnotationView alloc] init];
|
||
self.userLocationAnnotationView.mapView = self;
|
||
self.userLocationAnnotationView.userLocation = self.userLocation;
|
||
|
||
self.userLocationAnnotationView.autoresizingMask = (UIViewAutoresizingFlexibleLeftMargin | UIViewAutoresizingFlexibleRightMargin |
|
||
UIViewAutoresizingFlexibleTopMargin | UIViewAutoresizingFlexibleBottomMargin);
|
||
|
||
[self validateLocationServices];
|
||
}
|
||
else
|
||
{
|
||
[self validateLocationServices];
|
||
|
||
if ([self.delegate respondsToSelector:@selector(mapViewDidStopLocatingUser:)])
|
||
{
|
||
[self.delegate mapViewDidStopLocatingUser:self];
|
||
}
|
||
|
||
[self setUserTrackingMode:MGLUserTrackingModeNone animated:YES];
|
||
|
||
[self.userLocationAnnotationView removeFromSuperview];
|
||
self.userLocationAnnotationView = nil;
|
||
}
|
||
}
|
||
|
||
- (void)setUserLocationAnnotationView:(MGLUserLocationAnnotationView *)newAnnotationView
|
||
{
|
||
if ( ! [newAnnotationView isEqual:_userLocationAnnotationView])
|
||
{
|
||
_userLocationAnnotationView = newAnnotationView;
|
||
[self updateUserLocationAnnotationView];
|
||
}
|
||
}
|
||
|
||
+ (NSSet<NSString *> *)keyPathsForValuesAffectingUserLocation
|
||
{
|
||
return [NSSet setWithObject:@"userLocationAnnotationView"];
|
||
}
|
||
|
||
- (BOOL)isUserLocationVisible
|
||
{
|
||
if (self.userLocationAnnotationView)
|
||
{
|
||
CGPoint locationPoint = [self convertCoordinate:self.userLocation.coordinate toPointToView:self];
|
||
|
||
CGRect locationRect = CGRectMake(locationPoint.x - self.userLocation.location.horizontalAccuracy,
|
||
locationPoint.y - self.userLocation.location.horizontalAccuracy,
|
||
self.userLocation.location.horizontalAccuracy * 2,
|
||
self.userLocation.location.horizontalAccuracy * 2);
|
||
|
||
return CGRectIntersectsRect([self bounds], locationRect);
|
||
}
|
||
|
||
return NO;
|
||
}
|
||
|
||
- (void)setUserTrackingMode:(MGLUserTrackingMode)mode
|
||
{
|
||
[self setUserTrackingMode:mode animated:YES];
|
||
}
|
||
|
||
- (void)setUserTrackingMode:(MGLUserTrackingMode)mode animated:(BOOL)animated
|
||
{
|
||
if (mode == _userTrackingMode) return;
|
||
|
||
if ((mode == MGLUserTrackingModeFollowWithHeading || mode == MGLUserTrackingModeFollowWithCourse) &&
|
||
! CLLocationCoordinate2DIsValid(self.userLocation.coordinate))
|
||
{
|
||
mode = MGLUserTrackingModeNone;
|
||
}
|
||
|
||
MGLUserTrackingMode oldMode = _userTrackingMode;
|
||
[self willChangeValueForKey:@"userTrackingMode"];
|
||
_userTrackingMode = mode;
|
||
[self didChangeValueForKey:@"userTrackingMode"];
|
||
|
||
switch (_userTrackingMode)
|
||
{
|
||
case MGLUserTrackingModeNone:
|
||
{
|
||
self.userTrackingState = MGLUserTrackingStatePossible;
|
||
|
||
// Immediately update the annotation view; other cases update inside
|
||
// the locationManager:didUpdateLocations: method.
|
||
[self updateUserLocationAnnotationView];
|
||
|
||
break;
|
||
}
|
||
case MGLUserTrackingModeFollow:
|
||
case MGLUserTrackingModeFollowWithCourse:
|
||
{
|
||
self.userTrackingState = animated ? MGLUserTrackingStatePossible : MGLUserTrackingStateChanged;
|
||
self.showsUserLocation = YES;
|
||
|
||
break;
|
||
}
|
||
case MGLUserTrackingModeFollowWithHeading:
|
||
{
|
||
if (oldMode == MGLUserTrackingModeNone)
|
||
{
|
||
self.userTrackingState = animated ? MGLUserTrackingStatePossible : MGLUserTrackingStateChanged;
|
||
}
|
||
|
||
self.showsUserLocation = YES;
|
||
|
||
if (self.zoomLevel < self.currentMinimumZoom)
|
||
{
|
||
[self setZoomLevel:self.currentMinimumZoom animated:YES];
|
||
}
|
||
|
||
break;
|
||
}
|
||
}
|
||
|
||
if (_userTrackingMode != MGLUserTrackingModeNone)
|
||
{
|
||
CLLocation *location = self.userLocation.location;
|
||
if (location && self.userLocationAnnotationView)
|
||
{
|
||
[self locationManager:self.locationManager didUpdateLocations:@[location] animated:animated];
|
||
}
|
||
}
|
||
|
||
[self validateUserHeadingUpdating];
|
||
|
||
if ([self.delegate respondsToSelector:@selector(mapView:didChangeUserTrackingMode:animated:)])
|
||
{
|
||
[self.delegate mapView:self didChangeUserTrackingMode:_userTrackingMode animated:animated];
|
||
}
|
||
}
|
||
|
||
- (void)setUserLocationVerticalAlignment:(MGLAnnotationVerticalAlignment)alignment
|
||
{
|
||
[self setUserLocationVerticalAlignment:alignment animated:YES];
|
||
}
|
||
|
||
- (void)setUserLocationVerticalAlignment:(MGLAnnotationVerticalAlignment)alignment animated:(BOOL)animated
|
||
{
|
||
_userLocationVerticalAlignment = alignment;
|
||
if (self.userTrackingMode != MGLUserTrackingModeNone)
|
||
{
|
||
CLLocation *location = self.userLocation.location;
|
||
if (location)
|
||
{
|
||
[self locationManager:self.locationManager didUpdateLocations:@[location] animated:animated];
|
||
}
|
||
}
|
||
}
|
||
|
||
- (void)setTargetCoordinate:(CLLocationCoordinate2D)targetCoordinate
|
||
{
|
||
[self setTargetCoordinate:targetCoordinate animated:YES];
|
||
}
|
||
|
||
- (void)setTargetCoordinate:(CLLocationCoordinate2D)targetCoordinate animated:(BOOL)animated
|
||
{
|
||
if (targetCoordinate.latitude != self.targetCoordinate.latitude
|
||
|| targetCoordinate.longitude != self.targetCoordinate.longitude)
|
||
{
|
||
_targetCoordinate = targetCoordinate;
|
||
if (self.userTrackingMode == MGLUserTrackingModeFollowWithCourse)
|
||
{
|
||
self.userTrackingState = MGLUserTrackingStatePossible;
|
||
|
||
CLLocation *location = self.userLocation.location;
|
||
if (location)
|
||
{
|
||
[self locationManager:self.locationManager didUpdateLocations:@[location] animated:animated];
|
||
}
|
||
}
|
||
}
|
||
}
|
||
|
||
- (void)setShowsUserHeadingIndicator:(BOOL)showsUserHeadingIndicator
|
||
{
|
||
_showsUserHeadingIndicator = showsUserHeadingIndicator;
|
||
|
||
if (_showsUserHeadingIndicator)
|
||
{
|
||
self.showsUserLocation = YES;
|
||
}
|
||
[self validateUserHeadingUpdating];
|
||
}
|
||
|
||
- (void)validateUserHeadingUpdating
|
||
{
|
||
BOOL canShowPermanentHeadingIndicator = self.showsUserHeadingIndicator && self.userTrackingMode != MGLUserTrackingModeFollowWithCourse;
|
||
|
||
if (canShowPermanentHeadingIndicator || self.userTrackingMode == MGLUserTrackingModeFollowWithHeading)
|
||
{
|
||
[self updateHeadingForDeviceOrientation];
|
||
[self.locationManager startUpdatingHeading];
|
||
}
|
||
else
|
||
{
|
||
[self.locationManager stopUpdatingHeading];
|
||
}
|
||
}
|
||
|
||
- (void)locationManager:(id<MGLLocationManager>)manager didUpdateLocations:(NSArray *)locations
|
||
{
|
||
[self locationManager:manager didUpdateLocations:locations animated:YES];
|
||
}
|
||
|
||
- (void)locationManager:(__unused id<MGLLocationManager>)manager didUpdateLocations:(NSArray *)locations animated:(BOOL)animated
|
||
{
|
||
CLLocation *oldLocation = self.userLocation.location;
|
||
CLLocation *newLocation = locations.lastObject;
|
||
_distanceFromOldUserLocation = [newLocation distanceFromLocation:oldLocation];
|
||
|
||
if ( ! _showsUserLocation || ! newLocation || ! CLLocationCoordinate2DIsValid(newLocation.coordinate)) return;
|
||
|
||
if (! oldLocation || ! CLLocationCoordinate2DIsValid(oldLocation.coordinate) || [newLocation distanceFromLocation:oldLocation]
|
||
|| oldLocation.course != newLocation.course)
|
||
{
|
||
if ( ! oldLocation || ! CLLocationCoordinate2DIsValid(oldLocation.coordinate) || self.userTrackingState != MGLUserTrackingStateBegan)
|
||
{
|
||
self.userLocation.location = newLocation;
|
||
}
|
||
|
||
if ([self.delegate respondsToSelector:@selector(mapView:didUpdateUserLocation:)])
|
||
{
|
||
[self.delegate mapView:self didUpdateUserLocation:self.userLocation];
|
||
}
|
||
}
|
||
|
||
[self didUpdateLocationWithUserTrackingAnimated:animated];
|
||
|
||
NSTimeInterval duration = MGLAnimationDuration;
|
||
if (oldLocation && ! CGPointEqualToPoint(self.userLocationAnnotationView.center, CGPointZero))
|
||
{
|
||
duration = MIN([newLocation.timestamp timeIntervalSinceDate:oldLocation.timestamp], MGLUserLocationAnimationDuration);
|
||
}
|
||
[self updateUserLocationAnnotationViewAnimatedWithDuration:duration];
|
||
|
||
if (self.userTrackingMode == MGLUserTrackingModeNone &&
|
||
self.userLocationAnnotationView.accessibilityElementIsFocused &&
|
||
[UIApplication sharedApplication].applicationState == UIApplicationStateActive)
|
||
{
|
||
UIAccessibilityPostNotification(UIAccessibilityLayoutChangedNotification, self.userLocationAnnotationView);
|
||
}
|
||
}
|
||
|
||
- (void)didUpdateLocationWithUserTrackingAnimated:(BOOL)animated
|
||
{
|
||
CLLocation *location = self.userLocation.location;
|
||
if ( ! _showsUserLocation || ! location
|
||
|| ! CLLocationCoordinate2DIsValid(location.coordinate)
|
||
|| self.userTrackingMode == MGLUserTrackingModeNone)
|
||
{
|
||
return;
|
||
}
|
||
|
||
// If the user location annotation is already where it’s supposed to be,
|
||
// don’t change the viewport.
|
||
CGPoint correctPoint = self.userLocationAnnotationViewCenter;
|
||
CGPoint currentPoint = [self convertCoordinate:self.userLocation.coordinate toPointToView:self];
|
||
if (std::abs(currentPoint.x - correctPoint.x) <= 1.0 && std::abs(currentPoint.y - correctPoint.y) <= 1.0
|
||
&& self.userTrackingMode != MGLUserTrackingModeFollowWithCourse)
|
||
{
|
||
return;
|
||
}
|
||
|
||
if (self.userTrackingMode == MGLUserTrackingModeFollowWithCourse
|
||
&& CLLocationCoordinate2DIsValid(self.targetCoordinate))
|
||
{
|
||
if (self.userTrackingState != MGLUserTrackingStateBegan)
|
||
{
|
||
// Keep both the user and the destination in view.
|
||
[self didUpdateLocationWithTargetAnimated:animated];
|
||
}
|
||
}
|
||
else if (self.userTrackingState == MGLUserTrackingStatePossible)
|
||
{
|
||
// The first location update is often a great distance away from the
|
||
// current viewport, so fly there to provide additional context.
|
||
[self didUpdateLocationSignificantlyAnimated:animated];
|
||
}
|
||
else if (self.userTrackingState == MGLUserTrackingStateChanged)
|
||
{
|
||
// Subsequent updates get a more subtle animation.
|
||
[self didUpdateLocationIncrementallyAnimated:animated];
|
||
}
|
||
[self unrotateIfNeededAnimated:YES];
|
||
}
|
||
|
||
/// Changes the viewport based on an incremental location update.
|
||
- (void)didUpdateLocationIncrementallyAnimated:(BOOL)animated
|
||
{
|
||
[self _setCenterCoordinate:self.userLocation.location.coordinate
|
||
edgePadding:self.edgePaddingForFollowing
|
||
zoomLevel:self.zoomLevel
|
||
direction:self.directionByFollowingWithCourse
|
||
duration:animated ? MGLUserLocationAnimationDuration : 0
|
||
animationTimingFunction:[CAMediaTimingFunction functionWithName:kCAMediaTimingFunctionLinear]
|
||
completionHandler:NULL];
|
||
}
|
||
|
||
/// Changes the viewport based on a significant location update, such as the
|
||
/// first location update.
|
||
- (void)didUpdateLocationSignificantlyAnimated:(BOOL)animated
|
||
{
|
||
|
||
if (_distanceFromOldUserLocation >= MGLDistanceThresholdForCameraPause) {
|
||
self.userTrackingState = MGLUserTrackingStateBeginSignificantTransition;
|
||
} else {
|
||
self.userTrackingState = MGLUserTrackingStateBegan;
|
||
}
|
||
|
||
MGLMapCamera *camera = self.camera;
|
||
camera.centerCoordinate = self.userLocation.location.coordinate;
|
||
camera.heading = self.directionByFollowingWithCourse;
|
||
if (self.zoomLevel < MGLMinimumZoomLevelForUserTracking)
|
||
{
|
||
camera.altitude = MGLAltitudeForZoomLevel(MGLDefaultZoomLevelForUserTracking,
|
||
camera.pitch,
|
||
camera.centerCoordinate.latitude,
|
||
self.frame.size);
|
||
}
|
||
|
||
__weak MGLMapView *weakSelf = self;
|
||
[self _flyToCamera:camera
|
||
edgePadding:self.edgePaddingForFollowing
|
||
withDuration:animated ? -1 : 0
|
||
peakAltitude:-1
|
||
completionHandler:^{
|
||
MGLMapView *strongSelf = weakSelf;
|
||
if (strongSelf.userTrackingState == MGLUserTrackingStateBegan ||
|
||
strongSelf.userTrackingState == MGLDistanceThresholdForCameraPause)
|
||
{
|
||
strongSelf.userTrackingState = MGLUserTrackingStateChanged;
|
||
}
|
||
}];
|
||
}
|
||
|
||
/// Changes the viewport based on a location update in the presence of a target
|
||
/// coordinate that must also be displayed on the map concurrently.
|
||
- (void)didUpdateLocationWithTargetAnimated:(BOOL)animated
|
||
{
|
||
BOOL firstUpdate = self.userTrackingState == MGLUserTrackingStatePossible;
|
||
void (^completion)(void);
|
||
if (animated && firstUpdate)
|
||
{
|
||
self.userTrackingState = MGLUserTrackingStateBegan;
|
||
__weak MGLMapView *weakSelf = self;
|
||
completion = ^{
|
||
MGLMapView *strongSelf = weakSelf;
|
||
if (strongSelf.userTrackingState == MGLUserTrackingStateBegan)
|
||
{
|
||
strongSelf.userTrackingState = MGLUserTrackingStateChanged;
|
||
}
|
||
};
|
||
}
|
||
|
||
CLLocationCoordinate2D foci[] = {
|
||
self.userLocation.location.coordinate,
|
||
self.targetCoordinate,
|
||
};
|
||
UIEdgeInsets inset = self.edgePaddingForFollowingWithCourse;
|
||
if (self.userLocationVerticalAlignment == MGLAnnotationVerticalAlignmentCenter)
|
||
{
|
||
inset.bottom = CGRectGetMaxY(self.bounds) - CGRectGetMidY(self.contentFrame);
|
||
}
|
||
[self _setVisibleCoordinates:foci
|
||
count:sizeof(foci) / sizeof(foci[0])
|
||
edgePadding:inset
|
||
direction:self.directionByFollowingWithCourse
|
||
duration:animated ? MGLUserLocationAnimationDuration : 0
|
||
animationTimingFunction:[CAMediaTimingFunction functionWithName:kCAMediaTimingFunctionLinear]
|
||
completionHandler:completion];
|
||
}
|
||
|
||
/// Returns the edge padding to apply when moving the map to a tracked location.
|
||
- (UIEdgeInsets)edgePaddingForFollowing
|
||
{
|
||
// Center on user location unless we're already centered there (or very close).
|
||
CGPoint correctPoint = self.userLocationAnnotationViewCenter;
|
||
|
||
// Shift the entire frame upward or downward to accommodate a shifted user
|
||
// location annotation view.
|
||
CGRect bounds = self.bounds;
|
||
CGRect boundsAroundCorrectPoint = CGRectOffset(bounds,
|
||
correctPoint.x - CGRectGetMidX(bounds),
|
||
correctPoint.y - CGRectGetMidY(bounds));
|
||
return UIEdgeInsetsMake(CGRectGetMinY(boundsAroundCorrectPoint) - CGRectGetMinY(bounds),
|
||
self.contentInset.left,
|
||
CGRectGetMaxY(bounds) - CGRectGetMaxY(boundsAroundCorrectPoint),
|
||
self.contentInset.right);
|
||
}
|
||
|
||
/// Returns the edge padding to apply during bifocal course tracking.
|
||
- (UIEdgeInsets)edgePaddingForFollowingWithCourse
|
||
{
|
||
UIEdgeInsets inset = MGLUserLocationAnnotationViewInset;
|
||
inset.top += CGRectGetHeight(self.userLocationAnnotationView.frame);
|
||
inset.bottom += CGRectGetHeight(self.userLocationAnnotationView.frame);
|
||
return inset;
|
||
}
|
||
|
||
/// Returns the direction the map should be turned to due to course tracking.
|
||
- (CLLocationDirection)directionByFollowingWithCourse
|
||
{
|
||
CLLocationDirection direction = -1;
|
||
if (self.userTrackingMode == MGLUserTrackingModeFollowWithCourse)
|
||
{
|
||
if (CLLocationCoordinate2DIsValid(self.targetCoordinate))
|
||
{
|
||
mbgl::LatLng userLatLng = MGLLatLngFromLocationCoordinate2D(self.userLocation.coordinate);
|
||
mbgl::LatLng targetLatLng = MGLLatLngFromLocationCoordinate2D(self.targetCoordinate);
|
||
mbgl::ProjectedMeters userMeters = mbgl::Projection::projectedMetersForLatLng(userLatLng);
|
||
mbgl::ProjectedMeters targetMeters = mbgl::Projection::projectedMetersForLatLng(targetLatLng);
|
||
double angle = atan2(targetMeters.easting() - userMeters.easting(),
|
||
targetMeters.northing() - userMeters.northing());
|
||
direction = mbgl::util::wrap(MGLDegreesFromRadians(angle), 0., 360.);
|
||
}
|
||
else
|
||
{
|
||
direction = self.userLocation.location.course;
|
||
}
|
||
|
||
if (direction >= 0)
|
||
{
|
||
if (self.userLocationVerticalAlignment == MGLAnnotationVerticalAlignmentTop)
|
||
{
|
||
direction += 180;
|
||
}
|
||
}
|
||
}
|
||
return direction;
|
||
}
|
||
|
||
- (BOOL)locationManagerShouldDisplayHeadingCalibration:(id<MGLLocationManager>)manager
|
||
{
|
||
if (self.displayHeadingCalibration) [self performSelector:@selector(dismissHeadingCalibrationDisplay:)
|
||
withObject:manager
|
||
afterDelay:10.0];
|
||
|
||
return self.displayHeadingCalibration;
|
||
}
|
||
|
||
- (void)dismissHeadingCalibrationDisplay:(id<MGLLocationManager>)manager
|
||
{
|
||
[manager dismissHeadingCalibrationDisplay];
|
||
}
|
||
|
||
- (void)locationManager:(__unused id<MGLLocationManager>)manager didUpdateHeading:(CLHeading *)newHeading
|
||
{
|
||
if ( ! _showsUserLocation || self.pan.state == UIGestureRecognizerStateBegan || newHeading.headingAccuracy < 0) return;
|
||
|
||
self.userLocation.heading = newHeading;
|
||
|
||
if (self.showsUserHeadingIndicator || self.userTrackingMode == MGLUserTrackingModeFollowWithHeading)
|
||
{
|
||
[self updateUserLocationAnnotationView];
|
||
}
|
||
|
||
if ([self.delegate respondsToSelector:@selector(mapView:didUpdateUserLocation:)])
|
||
{
|
||
[self.delegate mapView:self didUpdateUserLocation:self.userLocation];
|
||
|
||
if ( ! _showsUserLocation) return;
|
||
}
|
||
|
||
CLLocationDirection headingDirection = (newHeading.trueHeading >= 0 ? newHeading.trueHeading : newHeading.magneticHeading);
|
||
|
||
if (headingDirection >= 0 && self.userTrackingMode == MGLUserTrackingModeFollowWithHeading
|
||
&& self.userTrackingState != MGLUserTrackingStateBegan)
|
||
{
|
||
[self _setDirection:headingDirection animated:YES];
|
||
}
|
||
}
|
||
|
||
- (void)locationManager:(__unused id<MGLLocationManager>)manager didFailWithError:(NSError *)error
|
||
{
|
||
if ([error code] == kCLErrorDenied)
|
||
{
|
||
self.userTrackingMode = MGLUserTrackingModeNone;
|
||
self.showsUserLocation = NO;
|
||
|
||
if ([self.delegate respondsToSelector:@selector(mapView:didFailToLocateUserWithError:)])
|
||
{
|
||
[self.delegate mapView:self didFailToLocateUserWithError:error];
|
||
}
|
||
}
|
||
}
|
||
|
||
- (void)updateHeadingForDeviceOrientation
|
||
{
|
||
if (self.locationManager)
|
||
{
|
||
// note that right/left device and interface orientations are opposites (see UIApplication.h)
|
||
//
|
||
CLDeviceOrientation orientation;
|
||
switch ([[UIApplication sharedApplication] statusBarOrientation])
|
||
{
|
||
case (UIInterfaceOrientationLandscapeLeft):
|
||
{
|
||
orientation = CLDeviceOrientationLandscapeRight;
|
||
break;
|
||
}
|
||
case (UIInterfaceOrientationLandscapeRight):
|
||
{
|
||
orientation = CLDeviceOrientationLandscapeLeft;
|
||
break;
|
||
}
|
||
case (UIInterfaceOrientationPortraitUpsideDown):
|
||
{
|
||
orientation = CLDeviceOrientationPortraitUpsideDown;
|
||
break;
|
||
}
|
||
case (UIInterfaceOrientationPortrait):
|
||
default:
|
||
{
|
||
orientation = CLDeviceOrientationPortrait;
|
||
break;
|
||
}
|
||
}
|
||
|
||
// Setting the location manager's heading orientation causes it to send
|
||
// a heading event, which in turn makes us redraw, which kicks off a
|
||
// loop... so don't do that. rdar://34059173
|
||
if (self.locationManager.headingOrientation != orientation)
|
||
{
|
||
self.locationManager.headingOrientation = orientation;
|
||
}
|
||
}
|
||
}
|
||
|
||
#pragma mark Data
|
||
|
||
- (NSArray<id <MGLFeature>> *)visibleFeaturesAtPoint:(CGPoint)point
|
||
{
|
||
return [self visibleFeaturesAtPoint:point inStyleLayersWithIdentifiers:nil];
|
||
}
|
||
|
||
- (NSArray<id <MGLFeature>> *)visibleFeaturesAtPoint:(CGPoint)point inStyleLayersWithIdentifiers:(NSSet<NSString *> *)styleLayerIdentifiers {
|
||
return [self visibleFeaturesAtPoint:point inStyleLayersWithIdentifiers:styleLayerIdentifiers predicate:nil];
|
||
}
|
||
|
||
- (NSArray<id <MGLFeature>> *)visibleFeaturesAtPoint:(CGPoint)point inStyleLayersWithIdentifiers:(NSSet<NSString *> *)styleLayerIdentifiers predicate:(NSPredicate *)predicate
|
||
{
|
||
mbgl::ScreenCoordinate screenCoordinate = { point.x, point.y };
|
||
|
||
mbgl::optional<std::vector<std::string>> optionalLayerIDs;
|
||
if (styleLayerIdentifiers)
|
||
{
|
||
__block std::vector<std::string> layerIDs;
|
||
layerIDs.reserve(styleLayerIdentifiers.count);
|
||
[styleLayerIdentifiers enumerateObjectsUsingBlock:^(NSString * _Nonnull identifier, BOOL * _Nonnull stop)
|
||
{
|
||
layerIDs.push_back(identifier.UTF8String);
|
||
}];
|
||
optionalLayerIDs = layerIDs;
|
||
}
|
||
|
||
mbgl::optional<mbgl::style::Filter> optionalFilter;
|
||
if (predicate) {
|
||
optionalFilter = predicate.mgl_filter;
|
||
}
|
||
|
||
std::vector<mbgl::Feature> features = _rendererFrontend->getRenderer()->queryRenderedFeatures(screenCoordinate, { optionalLayerIDs, optionalFilter });
|
||
return MGLFeaturesFromMBGLFeatures(features);
|
||
}
|
||
|
||
- (NSArray<id <MGLFeature>> *)visibleFeaturesInRect:(CGRect)rect {
|
||
return [self visibleFeaturesInRect:rect inStyleLayersWithIdentifiers:nil];
|
||
}
|
||
|
||
- (NSArray<id <MGLFeature>> *)visibleFeaturesInRect:(CGRect)rect inStyleLayersWithIdentifiers:(NSSet<NSString *> *)styleLayerIdentifiers {
|
||
return [self visibleFeaturesInRect:rect inStyleLayersWithIdentifiers:styleLayerIdentifiers predicate:nil];
|
||
}
|
||
|
||
- (NSArray<id <MGLFeature>> *)visibleFeaturesInRect:(CGRect)rect inStyleLayersWithIdentifiers:(NSSet<NSString *> *)styleLayerIdentifiers predicate:(NSPredicate *)predicate {
|
||
mbgl::ScreenBox screenBox = {
|
||
{ CGRectGetMinX(rect), CGRectGetMinY(rect) },
|
||
{ CGRectGetMaxX(rect), CGRectGetMaxY(rect) },
|
||
};
|
||
|
||
mbgl::optional<std::vector<std::string>> optionalLayerIDs;
|
||
if (styleLayerIdentifiers) {
|
||
__block std::vector<std::string> layerIDs;
|
||
layerIDs.reserve(styleLayerIdentifiers.count);
|
||
[styleLayerIdentifiers enumerateObjectsUsingBlock:^(NSString * _Nonnull identifier, BOOL * _Nonnull stop) {
|
||
layerIDs.push_back(identifier.UTF8String);
|
||
}];
|
||
optionalLayerIDs = layerIDs;
|
||
}
|
||
|
||
mbgl::optional<mbgl::style::Filter> optionalFilter;
|
||
if (predicate) {
|
||
optionalFilter = predicate.mgl_filter;
|
||
}
|
||
|
||
std::vector<mbgl::Feature> features = _rendererFrontend->getRenderer()->queryRenderedFeatures(screenBox, { optionalLayerIDs, optionalFilter });
|
||
return MGLFeaturesFromMBGLFeatures(features);
|
||
}
|
||
|
||
#pragma mark - Utility -
|
||
|
||
- (void)animateWithDelay:(NSTimeInterval)delay animations:(void (^)(void))animations
|
||
{
|
||
dispatch_after(dispatch_time(DISPATCH_TIME_NOW, (int64_t)(delay * NSEC_PER_SEC)), dispatch_get_main_queue(), animations);
|
||
}
|
||
|
||
- (CGFloat)currentMinimumZoom
|
||
{
|
||
return fmaxf(_mbglMap->getMinZoom(), MGLMinimumZoom);
|
||
}
|
||
|
||
- (BOOL)isRotationAllowed
|
||
{
|
||
return (self.zoomLevel >= self.currentMinimumZoom);
|
||
}
|
||
|
||
- (void)unrotateIfNeededForGesture
|
||
{
|
||
// Avoid contention with in-progress gestures.
|
||
UIGestureRecognizerState state = self.pinch.state;
|
||
if (self.direction != 0
|
||
&& state != UIGestureRecognizerStateBegan
|
||
&& state != UIGestureRecognizerStateChanged)
|
||
{
|
||
[self unrotateIfNeededAnimated:YES];
|
||
|
||
// Snap to north.
|
||
if ((self.direction < MGLToleranceForSnappingToNorth
|
||
|| self.direction > 360 - MGLToleranceForSnappingToNorth)
|
||
&& self.userTrackingMode != MGLUserTrackingModeFollowWithHeading
|
||
&& self.userTrackingMode != MGLUserTrackingModeFollowWithCourse)
|
||
{
|
||
[self resetNorthAnimated:YES];
|
||
}
|
||
}
|
||
}
|
||
|
||
/// Rotate back to true north if the map view is zoomed too far out.
|
||
- (void)unrotateIfNeededAnimated:(BOOL)animated
|
||
{
|
||
if (self.direction != 0 && ! self.isRotationAllowed
|
||
&& self.userTrackingState != MGLUserTrackingStateBegan)
|
||
{
|
||
if (animated)
|
||
{
|
||
self.userInteractionEnabled = NO;
|
||
|
||
__weak MGLMapView *weakSelf = self;
|
||
|
||
[self animateWithDelay:0.1 animations:^
|
||
{
|
||
[weakSelf resetNorthAnimated:YES];
|
||
|
||
[self animateWithDelay:MGLAnimationDuration animations:^
|
||
{
|
||
weakSelf.userInteractionEnabled = YES;
|
||
}];
|
||
|
||
}];
|
||
}
|
||
else
|
||
{
|
||
[self resetNorthAnimated:NO];
|
||
}
|
||
}
|
||
}
|
||
|
||
- (void)cameraWillChangeAnimated:(BOOL)animated {
|
||
if (!_mbglMap) {
|
||
return;
|
||
}
|
||
|
||
if ( ! _userLocationAnnotationIsSelected
|
||
|| self.userTrackingMode == MGLUserTrackingModeNone
|
||
|| self.userTrackingState != MGLUserTrackingStateChanged)
|
||
{
|
||
UIView<MGLCalloutView> *calloutView = self.calloutViewForSelectedAnnotation;
|
||
BOOL dismissesAutomatically = (calloutView
|
||
&& [calloutView respondsToSelector:@selector(dismissesAutomatically)]
|
||
&& calloutView.dismissesAutomatically);
|
||
// dismissesAutomatically is an optional property and we want to dismiss
|
||
// the callout view if it's unimplemented.
|
||
if (dismissesAutomatically || (calloutView && ![calloutView respondsToSelector:@selector(dismissesAutomatically)]))
|
||
{
|
||
[self deselectAnnotation:self.selectedAnnotation animated:NO];
|
||
}
|
||
}
|
||
|
||
if ( ! [self isSuppressingChangeDelimiters] )
|
||
{
|
||
if ([self.delegate respondsToSelector:@selector(mapView:regionWillChangeWithReason:animated:)])
|
||
{
|
||
[self.delegate mapView:self regionWillChangeWithReason:self.cameraChangeReasonBitmask animated:animated];
|
||
}
|
||
else if ([self.delegate respondsToSelector:@selector(mapView:regionWillChangeAnimated:)])
|
||
{
|
||
[self.delegate mapView:self regionWillChangeAnimated:animated];
|
||
}
|
||
}
|
||
}
|
||
|
||
- (void)cameraIsChanging {
|
||
if (!_mbglMap) {
|
||
return;
|
||
}
|
||
|
||
[self updateCompass];
|
||
[self updateScaleBar];
|
||
|
||
if ([self.delegate respondsToSelector:@selector(mapView:regionIsChangingWithReason:)])
|
||
{
|
||
[self.delegate mapView:self regionIsChangingWithReason:self.cameraChangeReasonBitmask];
|
||
}
|
||
else if ([self.delegate respondsToSelector:@selector(mapViewRegionIsChanging:)])
|
||
{
|
||
[self.delegate mapViewRegionIsChanging:self];
|
||
}
|
||
}
|
||
|
||
- (void)cameraDidChangeAnimated:(BOOL)animated {
|
||
if (!_mbglMap) {
|
||
return;
|
||
}
|
||
|
||
[self updateCompass];
|
||
[self updateScaleBar];
|
||
|
||
if ( ! [self isSuppressingChangeDelimiters])
|
||
{
|
||
BOOL respondsToSelector = [self.delegate respondsToSelector:@selector(mapView:regionDidChangeAnimated:)];
|
||
BOOL respondsToSelectorWithReason = [self.delegate respondsToSelector:@selector(mapView:regionDidChangeWithReason:animated:)];
|
||
|
||
if ((respondsToSelector || respondsToSelectorWithReason) &&
|
||
([UIApplication sharedApplication].applicationState == UIApplicationStateActive))
|
||
{
|
||
_featureAccessibilityElements = nil;
|
||
_visiblePlaceFeatures = nil;
|
||
_visibleRoadFeatures = nil;
|
||
if (_accessibilityValueAnnouncementIsPending) {
|
||
_accessibilityValueAnnouncementIsPending = NO;
|
||
[self performSelector:@selector(announceAccessibilityValue) withObject:nil afterDelay:0.1];
|
||
} else {
|
||
UIAccessibilityPostNotification(UIAccessibilityLayoutChangedNotification, nil);
|
||
}
|
||
}
|
||
|
||
if (respondsToSelectorWithReason)
|
||
{
|
||
[self.delegate mapView:self regionDidChangeWithReason:self.cameraChangeReasonBitmask animated:animated];
|
||
}
|
||
else if (respondsToSelector)
|
||
{
|
||
[self.delegate mapView:self regionDidChangeAnimated:animated];
|
||
}
|
||
|
||
[self resetCameraChangeReason];
|
||
}
|
||
}
|
||
|
||
- (void)announceAccessibilityValue
|
||
{
|
||
UIAccessibilityPostNotification(UIAccessibilityAnnouncementNotification, self.accessibilityValue);
|
||
UIAccessibilityPostNotification(UIAccessibilityLayoutChangedNotification, nil);
|
||
}
|
||
|
||
- (void)mapViewWillStartLoadingMap {
|
||
if (!_mbglMap) {
|
||
return;
|
||
}
|
||
|
||
if ([self.delegate respondsToSelector:@selector(mapViewWillStartLoadingMap:)])
|
||
{
|
||
[self.delegate mapViewWillStartLoadingMap:self];
|
||
}
|
||
}
|
||
|
||
- (void)mapViewDidFinishLoadingMap {
|
||
if (!_mbglMap) {
|
||
return;
|
||
}
|
||
|
||
[self.style willChangeValueForKey:@"sources"];
|
||
[self.style didChangeValueForKey:@"sources"];
|
||
[self.style willChangeValueForKey:@"layers"];
|
||
[self.style didChangeValueForKey:@"layers"];
|
||
if ([self.delegate respondsToSelector:@selector(mapViewDidFinishLoadingMap:)])
|
||
{
|
||
[self.delegate mapViewDidFinishLoadingMap:self];
|
||
}
|
||
}
|
||
|
||
- (void)mapViewDidFailLoadingMapWithError:(NSError *)error {
|
||
if (!_mbglMap) {
|
||
return;
|
||
}
|
||
|
||
if ([self.delegate respondsToSelector:@selector(mapViewDidFailLoadingMap:withError:)])
|
||
{
|
||
[self.delegate mapViewDidFailLoadingMap:self withError:error];
|
||
}
|
||
}
|
||
|
||
- (void)mapViewWillStartRenderingFrame {
|
||
if (!_mbglMap) {
|
||
return;
|
||
}
|
||
|
||
if ([self.delegate respondsToSelector:@selector(mapViewWillStartRenderingFrame:)])
|
||
{
|
||
[self.delegate mapViewWillStartRenderingFrame:self];
|
||
}
|
||
}
|
||
|
||
- (void)mapViewDidFinishRenderingFrameFullyRendered:(BOOL)fullyRendered {
|
||
if (!_mbglMap) {
|
||
return;
|
||
}
|
||
|
||
if (_isChangingAnnotationLayers)
|
||
{
|
||
_isChangingAnnotationLayers = NO;
|
||
[self.style didChangeValueForKey:@"layers"];
|
||
}
|
||
[self updateAnnotationViews];
|
||
[self updateCalloutView];
|
||
if ([self.delegate respondsToSelector:@selector(mapViewDidFinishRenderingFrame:fullyRendered:)])
|
||
{
|
||
[self.delegate mapViewDidFinishRenderingFrame:self fullyRendered:fullyRendered];
|
||
}
|
||
}
|
||
|
||
- (void)mapViewWillStartRenderingMap {
|
||
if (!_mbglMap) {
|
||
return;
|
||
}
|
||
|
||
if ([self.delegate respondsToSelector:@selector(mapViewWillStartRenderingMap:)])
|
||
{
|
||
[self.delegate mapViewWillStartRenderingMap:self];
|
||
}
|
||
}
|
||
|
||
- (void)mapViewDidFinishRenderingMapFullyRendered:(BOOL)fullyRendered {
|
||
if (!_mbglMap) {
|
||
return;
|
||
}
|
||
|
||
UIAccessibilityPostNotification(UIAccessibilityLayoutChangedNotification, nil);
|
||
|
||
if ([self.delegate respondsToSelector:@selector(mapViewDidFinishRenderingMap:fullyRendered:)])
|
||
{
|
||
[self.delegate mapViewDidFinishRenderingMap:self fullyRendered:fullyRendered];
|
||
}
|
||
}
|
||
|
||
- (void)didFinishLoadingStyle {
|
||
if (!_mbglMap) {
|
||
return;
|
||
}
|
||
|
||
self.style = [[MGLStyle alloc] initWithRawStyle:&_mbglMap->getStyle() mapView:self];
|
||
if ([self.delegate respondsToSelector:@selector(mapView:didFinishLoadingStyle:)])
|
||
{
|
||
[self.delegate mapView:self didFinishLoadingStyle:self.style];
|
||
}
|
||
}
|
||
|
||
- (void)updateUserLocationAnnotationView
|
||
{
|
||
[self updateUserLocationAnnotationViewAnimatedWithDuration:0];
|
||
}
|
||
|
||
- (void)updateAnnotationViews
|
||
{
|
||
BOOL delegateImplementsViewForAnnotation = [self.delegate respondsToSelector:@selector(mapView:viewForAnnotation:)];
|
||
|
||
if (!delegateImplementsViewForAnnotation)
|
||
{
|
||
return;
|
||
}
|
||
|
||
[CATransaction begin];
|
||
[CATransaction setDisableActions:YES];
|
||
|
||
// If the map is pitched consider the viewport to be exactly the same as the bounds.
|
||
// Otherwise, add a small buffer.
|
||
CGFloat largestWidth = MAX(_largestAnnotationViewSize.width, CGRectGetWidth(self.frame));
|
||
CGFloat largestHeight = MAX(_largestAnnotationViewSize.height, CGRectGetHeight(self.frame));
|
||
CGFloat widthAdjustment = self.camera.pitch > 0.0 ? 0.0 : -largestWidth * 2.0;
|
||
CGFloat heightAdjustment = self.camera.pitch > 0.0 ? 0.0 : -largestHeight * 2.0;
|
||
CGRect viewPort = CGRectInset(self.bounds, widthAdjustment, heightAdjustment);
|
||
|
||
NSArray *visibleAnnotations = [self visibleAnnotationsInRect:viewPort];
|
||
NSMutableArray *offscreenAnnotations = [self.annotations mutableCopy];
|
||
[offscreenAnnotations removeObjectsInArray:visibleAnnotations];
|
||
|
||
// Update the center of visible annotation views
|
||
for (id<MGLAnnotation> annotation in visibleAnnotations)
|
||
{
|
||
// Defer to the shape/polygon styling delegate methods
|
||
if ([annotation isKindOfClass:[MGLMultiPoint class]])
|
||
{
|
||
continue;
|
||
}
|
||
|
||
// Get the annotation tag then use it to get the context.
|
||
MGLAnnotationTag annotationTag = [self annotationTagForAnnotation:annotation];
|
||
NSAssert(annotationTag != MGLAnnotationTagNotFound, @"-visibleAnnotationsInRect: returned unrecognized annotation");
|
||
MGLAnnotationContext &annotationContext = _annotationContextsByAnnotationTag.at(annotationTag);
|
||
|
||
MGLAnnotationView *annotationView = annotationContext.annotationView;
|
||
if (!annotationView)
|
||
{
|
||
// This will dequeue views if the delegate implements the dequeue call
|
||
annotationView = [self annotationViewForAnnotation:annotationContext.annotation];
|
||
|
||
if (annotationView)
|
||
{
|
||
annotationView.mapView = self;
|
||
annotationContext.annotationView = annotationView;
|
||
|
||
// New annotation (created because there is nothing to dequeue) may not have been added to the
|
||
// container view yet. Add them here.
|
||
if (!annotationView.superview) {
|
||
[self.annotationContainerView insertSubview:annotationView atIndex:0];
|
||
}
|
||
}
|
||
}
|
||
|
||
if (annotationView)
|
||
{
|
||
annotationView.center = MGLPointRounded([self convertCoordinate:annotationContext.annotation.coordinate toPointToView:self]);
|
||
}
|
||
}
|
||
|
||
MGLCoordinateBounds coordinateBounds = [self convertRect:viewPort toCoordinateBoundsFromView:self];
|
||
|
||
// Enqueue (and move if required) offscreen annotation views
|
||
for (id<MGLAnnotation> annotation in offscreenAnnotations)
|
||
{
|
||
// Defer to the shape/polygon styling delegate methods
|
||
if ([annotation isKindOfClass:[MGLMultiPoint class]])
|
||
{
|
||
continue;
|
||
}
|
||
|
||
MGLAnnotationTag annotationTag = [self annotationTagForAnnotation:annotation];
|
||
NSAssert(annotationTag != MGLAnnotationTagNotFound, @"-visibleAnnotationsInRect: returned unrecognized annotation");
|
||
MGLAnnotationContext &annotationContext = _annotationContextsByAnnotationTag.at(annotationTag);
|
||
UIView *annotationView = annotationContext.annotationView;
|
||
|
||
if (annotationView)
|
||
{
|
||
CLLocationCoordinate2D coordinate = annotation.coordinate;
|
||
// Every so often (1 out of 1000 frames?) the mbgl query mechanism fails. This logic spot checks the
|
||
// offscreenAnnotations values -- if they are actually still on screen then the view center is
|
||
// moved and the enqueue operation is avoided. This allows us to keep the performance benefit of
|
||
// using the mbgl query result. It also forces views that have just gone offscreen to be cleared
|
||
// fully from view.
|
||
if (MGLCoordinateInCoordinateBounds(coordinate, coordinateBounds))
|
||
{
|
||
annotationView.center = [self convertCoordinate:annotationContext.annotation.coordinate toPointToView:self];
|
||
}
|
||
else
|
||
{
|
||
if (annotationView.layer.animationKeys.count > 0) {
|
||
continue;
|
||
}
|
||
|
||
// Move the annotation view far out of view to the left
|
||
CGPoint adjustedCenter = annotationView.center;
|
||
adjustedCenter.x = -CGRectGetWidth(self.frame) * 10.0;
|
||
annotationView.center = adjustedCenter;
|
||
|
||
[self enqueueAnnotationViewForAnnotationContext:annotationContext];
|
||
}
|
||
}
|
||
}
|
||
|
||
[CATransaction commit];
|
||
}
|
||
|
||
- (void)updateCalloutView
|
||
{
|
||
UIView <MGLCalloutView> *calloutView = self.calloutViewForSelectedAnnotation;
|
||
id <MGLAnnotation> annotation = calloutView.representedObject;
|
||
|
||
BOOL isAnchoredToAnnotation = (calloutView
|
||
&& annotation
|
||
&& [calloutView respondsToSelector:@selector(isAnchoredToAnnotation)]
|
||
&& calloutView.isAnchoredToAnnotation);
|
||
|
||
if (isAnchoredToAnnotation)
|
||
{
|
||
MGLAnnotationTag tag = [self annotationTagForAnnotation:annotation];
|
||
MGLAnnotationView *annotationView = nil;
|
||
|
||
if (tag != MGLAnnotationTagNotFound) {
|
||
MGLAnnotationContext &annotationContext = _annotationContextsByAnnotationTag.at(tag);
|
||
annotationView = annotationContext.annotationView;
|
||
} else if (annotation == self.userLocation) {
|
||
annotationView = self.userLocationAnnotationView;
|
||
}
|
||
|
||
CGRect positioningRect = annotationView ? annotationView.frame : [self positioningRectForCalloutForAnnotationWithTag:tag];
|
||
|
||
NSAssert( ! CGRectIsNull(positioningRect), @"Positioning rect should not be CGRectNull by this point");
|
||
|
||
CGPoint centerPoint = CGPointMake(CGRectGetMidX(positioningRect), CGRectGetMinY(positioningRect));
|
||
|
||
if ( ! CGPointEqualToPoint(calloutView.center, centerPoint)) {
|
||
calloutView.center = centerPoint;
|
||
}
|
||
}
|
||
}
|
||
|
||
- (void)enqueueAnnotationViewForAnnotationContext:(MGLAnnotationContext &)annotationContext
|
||
{
|
||
MGLAnnotationView *annotationView = annotationContext.annotationView;
|
||
|
||
if (!annotationView) return;
|
||
|
||
if (annotationContext.viewReuseIdentifier)
|
||
{
|
||
annotationView.annotation = nil;
|
||
NSMutableArray *annotationViewReuseQueue = [self annotationViewReuseQueueForIdentifier:annotationContext.viewReuseIdentifier];
|
||
if (![annotationViewReuseQueue containsObject:annotationView])
|
||
{
|
||
[annotationViewReuseQueue addObject:annotationView];
|
||
annotationContext.annotationView = nil;
|
||
}
|
||
}
|
||
}
|
||
|
||
- (void)updateUserLocationAnnotationViewAnimatedWithDuration:(NSTimeInterval)duration
|
||
{
|
||
MGLUserLocationAnnotationView *annotationView = self.userLocationAnnotationView;
|
||
if ( ! CLLocationCoordinate2DIsValid(self.userLocation.coordinate)) {
|
||
annotationView.hidden = YES;
|
||
return;
|
||
}
|
||
|
||
CGPoint userPoint;
|
||
if (self.userTrackingMode != MGLUserTrackingModeNone
|
||
&& self.userTrackingState == MGLUserTrackingStateChanged)
|
||
{
|
||
userPoint = self.userLocationAnnotationViewCenter;
|
||
}
|
||
else
|
||
{
|
||
userPoint = MGLPointRounded([self convertCoordinate:self.userLocation.coordinate toPointToView:self]);
|
||
}
|
||
|
||
if ( ! annotationView.superview)
|
||
{
|
||
[self.glView addSubview:annotationView];
|
||
// Prevents the view from sliding in from the origin.
|
||
annotationView.center = userPoint;
|
||
}
|
||
|
||
if (CGRectContainsPoint(CGRectInset(self.bounds, -MGLAnnotationUpdateViewportOutset.width,
|
||
-MGLAnnotationUpdateViewportOutset.height), userPoint))
|
||
{
|
||
// Smoothly move the user location annotation view and callout view to
|
||
// the new location.
|
||
[UIView animateWithDuration:duration
|
||
delay:0
|
||
options:(UIViewAnimationOptionCurveLinear |
|
||
UIViewAnimationOptionAllowUserInteraction |
|
||
UIViewAnimationOptionBeginFromCurrentState)
|
||
animations:^{
|
||
if (self.selectedAnnotation == self.userLocation)
|
||
{
|
||
UIView <MGLCalloutView> *calloutView = self.calloutViewForSelectedAnnotation;
|
||
calloutView.frame = CGRectOffset(calloutView.frame,
|
||
userPoint.x - annotationView.center.x,
|
||
userPoint.y - annotationView.center.y);
|
||
}
|
||
annotationView.center = userPoint;
|
||
} completion:NULL];
|
||
_userLocationAnimationCompletionDate = [NSDate dateWithTimeIntervalSinceNow:duration];
|
||
|
||
annotationView.hidden = NO;
|
||
[annotationView update];
|
||
}
|
||
else
|
||
{
|
||
// User has moved far enough outside of the viewport that showing it or
|
||
// its callout would be useless.
|
||
annotationView.hidden = YES;
|
||
|
||
if (_userLocationAnnotationIsSelected)
|
||
{
|
||
[self deselectAnnotation:self.selectedAnnotation animated:YES];
|
||
}
|
||
}
|
||
}
|
||
|
||
/// Intended center point of the user location annotation view with respect to
|
||
/// the overall map view (but respecting the content inset).
|
||
- (CGPoint)userLocationAnnotationViewCenter
|
||
{
|
||
CGRect contentFrame = UIEdgeInsetsInsetRect(self.contentFrame, self.edgePaddingForFollowingWithCourse);
|
||
if (CGRectIsEmpty(contentFrame))
|
||
{
|
||
contentFrame = self.contentFrame;
|
||
}
|
||
CGPoint center = CGPointMake(CGRectGetMidX(contentFrame), CGRectGetMidY(contentFrame));
|
||
|
||
// When tracking course, it’s more important to see the road ahead, so
|
||
// weight the user dot down towards the bottom.
|
||
switch (self.userLocationVerticalAlignment) {
|
||
case MGLAnnotationVerticalAlignmentCenter:
|
||
break;
|
||
case MGLAnnotationVerticalAlignmentTop:
|
||
center.y = CGRectGetMinY(contentFrame);
|
||
break;
|
||
case MGLAnnotationVerticalAlignmentBottom:
|
||
center.y = CGRectGetMaxY(contentFrame);
|
||
break;
|
||
}
|
||
|
||
return center;
|
||
}
|
||
|
||
- (void)updateCompass
|
||
{
|
||
CLLocationDirection direction = self.direction;
|
||
CLLocationDirection plateDirection = mbgl::util::wrap(-direction, 0., 360.);
|
||
self.compassView.transform = CGAffineTransformMakeRotation(MGLRadiansFromDegrees(plateDirection));
|
||
|
||
self.compassView.isAccessibilityElement = direction > 0;
|
||
self.compassView.accessibilityValue = [_accessibilityCompassFormatter stringFromDirection:direction];
|
||
|
||
if (direction > 0 && self.compassView.alpha < 1)
|
||
{
|
||
[UIView animateWithDuration:MGLAnimationDuration
|
||
delay:0
|
||
options:UIViewAnimationOptionBeginFromCurrentState
|
||
animations:^
|
||
{
|
||
self.compassView.alpha = 1;
|
||
}
|
||
completion:nil];
|
||
}
|
||
else if (direction == 0 && self.compassView.alpha > 0)
|
||
{
|
||
[UIView animateWithDuration:MGLAnimationDuration
|
||
delay:0
|
||
options:UIViewAnimationOptionBeginFromCurrentState
|
||
animations:^
|
||
{
|
||
self.compassView.alpha = 0;
|
||
}
|
||
completion:nil];
|
||
}
|
||
}
|
||
|
||
- (void)updateScaleBar
|
||
{
|
||
// Use the `hidden` property (instead of `self.showsScale`) so that we don't
|
||
// break developers who still rely on the <4.0.0 approach of directly
|
||
// setting this property.
|
||
if ( ! self.scaleBar.hidden)
|
||
{
|
||
[(MGLScaleBar *)self.scaleBar setMetersPerPoint:[self metersPerPointAtLatitude:self.centerCoordinate.latitude]];
|
||
}
|
||
}
|
||
|
||
+ (UIImage *)resourceImageNamed:(NSString *)imageName
|
||
{
|
||
UIImage *image = [UIImage imageNamed:imageName
|
||
inBundle:[NSBundle mgl_frameworkBundle]
|
||
compatibleWithTraitCollection:nil];
|
||
|
||
if ( ! image)
|
||
{
|
||
[NSException raise:MGLResourceNotFoundException format:
|
||
@"The resource named “%@” could not be found in the Mapbox framework bundle.", imageName];
|
||
}
|
||
|
||
return image;
|
||
}
|
||
|
||
- (BOOL)isFullyLoaded
|
||
{
|
||
return _mbglMap->isFullyLoaded();
|
||
}
|
||
|
||
- (void)prepareForInterfaceBuilder
|
||
{
|
||
[super prepareForInterfaceBuilder];
|
||
|
||
self.layer.borderColor = [UIColor colorWithRed:59/255.
|
||
green:178/255.
|
||
blue:208/255.
|
||
alpha:0.8].CGColor;
|
||
self.layer.borderWidth = 4;
|
||
self.layer.backgroundColor = [UIColor whiteColor].CGColor;
|
||
|
||
UIView *diagnosticView = [[UIView alloc] init];
|
||
diagnosticView.translatesAutoresizingMaskIntoConstraints = NO;
|
||
[self addSubview:diagnosticView];
|
||
|
||
// Headline
|
||
UILabel *headlineLabel = [[UILabel alloc] init];
|
||
headlineLabel.text = NSStringFromClass([self class]);
|
||
headlineLabel.font = [UIFont preferredFontForTextStyle:UIFontTextStyleHeadline];
|
||
headlineLabel.textAlignment = NSTextAlignmentCenter;
|
||
headlineLabel.numberOfLines = 1;
|
||
headlineLabel.translatesAutoresizingMaskIntoConstraints = NO;
|
||
[headlineLabel setContentCompressionResistancePriority:UILayoutPriorityDefaultLow
|
||
forAxis:UILayoutConstraintAxisHorizontal];
|
||
[diagnosticView addSubview:headlineLabel];
|
||
|
||
// Explanation
|
||
UILabel *explanationLabel = [[UILabel alloc] init];
|
||
explanationLabel.text = [NSString stringWithFormat:NSLocalizedStringWithDefaultValue(@"DESIGNABLE", nil, nil, @"To display a Mapbox-hosted map here, set %@ to your access token in %@\n\nFor detailed instructions, see:", @"Instructions in Interface Builder designable; {key}, {plist file name}"), @"MGLMapboxAccessToken", @"Info.plist"];
|
||
explanationLabel.font = [UIFont preferredFontForTextStyle:UIFontTextStyleBody];
|
||
explanationLabel.numberOfLines = 0;
|
||
explanationLabel.translatesAutoresizingMaskIntoConstraints = NO;
|
||
[explanationLabel setContentCompressionResistancePriority:UILayoutPriorityDefaultLow
|
||
forAxis:UILayoutConstraintAxisHorizontal];
|
||
[diagnosticView addSubview:explanationLabel];
|
||
|
||
// Link
|
||
UIButton *linkButton = [UIButton buttonWithType:UIButtonTypeSystem];
|
||
[linkButton setTitle:NSLocalizedStringWithDefaultValue(@"FIRST_STEPS_URL", nil, nil, @"mapbox.com/help/first-steps-ios-sdk", @"Setup documentation URL display string; keep as short as possible") forState:UIControlStateNormal];
|
||
linkButton.translatesAutoresizingMaskIntoConstraints = NO;
|
||
linkButton.titleLabel.numberOfLines = 0;
|
||
[linkButton setContentCompressionResistancePriority:UILayoutPriorityDefaultLow
|
||
forAxis:UILayoutConstraintAxisHorizontal];
|
||
[diagnosticView addSubview:linkButton];
|
||
|
||
// Constraints
|
||
NSDictionary *views = @{
|
||
@"container": diagnosticView,
|
||
@"headline": headlineLabel,
|
||
@"explanation": explanationLabel,
|
||
@"link": linkButton,
|
||
};
|
||
[self addConstraint:
|
||
[NSLayoutConstraint constraintWithItem:diagnosticView
|
||
attribute:NSLayoutAttributeCenterYWithinMargins
|
||
relatedBy:NSLayoutRelationEqual
|
||
toItem:self
|
||
attribute:NSLayoutAttributeCenterYWithinMargins
|
||
multiplier:1
|
||
constant:0]];
|
||
[self addConstraint:
|
||
[NSLayoutConstraint constraintWithItem:diagnosticView
|
||
attribute:NSLayoutAttributeTopMargin
|
||
relatedBy:NSLayoutRelationGreaterThanOrEqual
|
||
toItem:self
|
||
attribute:NSLayoutAttributeTopMargin
|
||
multiplier:1
|
||
constant:8]];
|
||
[self addConstraint:
|
||
[NSLayoutConstraint constraintWithItem:self
|
||
attribute:NSLayoutAttributeBottomMargin
|
||
relatedBy:NSLayoutRelationGreaterThanOrEqual
|
||
toItem:diagnosticView
|
||
attribute:NSLayoutAttributeBottomMargin
|
||
multiplier:1
|
||
constant:8]];
|
||
[self addConstraints:
|
||
[NSLayoutConstraint constraintsWithVisualFormat:@"H:|-[container(20@20)]-|"
|
||
options:NSLayoutFormatAlignAllCenterY
|
||
metrics:nil
|
||
views:views]];
|
||
[self addConstraints:
|
||
[NSLayoutConstraint constraintsWithVisualFormat:@"V:|[headline]-[explanation]-[link]|"
|
||
options:0
|
||
metrics:nil
|
||
views:views]];
|
||
[self addConstraints:
|
||
[NSLayoutConstraint constraintsWithVisualFormat:@"H:|[headline]|"
|
||
options:0
|
||
metrics:nil
|
||
views:views]];
|
||
[self addConstraints:
|
||
[NSLayoutConstraint constraintsWithVisualFormat:@"H:|[explanation]|"
|
||
options:0
|
||
metrics:nil
|
||
views:views]];
|
||
[self addConstraints:
|
||
[NSLayoutConstraint constraintsWithVisualFormat:@"H:|[link]|"
|
||
options:0
|
||
metrics:nil
|
||
views:views]];
|
||
}
|
||
|
||
- (NSMutableArray<MGLAnnotationView *> *)annotationViewReuseQueueForIdentifier:(NSString *)identifier {
|
||
if (!_annotationViewReuseQueueByIdentifier[identifier])
|
||
{
|
||
_annotationViewReuseQueueByIdentifier[identifier] = [NSMutableArray array];
|
||
}
|
||
|
||
return _annotationViewReuseQueueByIdentifier[identifier];
|
||
}
|
||
|
||
class MBGLView : public mbgl::RendererBackend, public mbgl::MapObserver
|
||
{
|
||
public:
|
||
MBGLView(MGLMapView* nativeView_) : nativeView(nativeView_) {
|
||
}
|
||
|
||
/// This function is called before we start rendering, when iOS invokes our rendering method.
|
||
/// iOS already sets the correct framebuffer and viewport for us, so we need to update the
|
||
/// context state with the anticipated values.
|
||
void updateAssumedState() override {
|
||
assumeFramebufferBinding(ImplicitFramebufferBinding);
|
||
assumeViewport(0, 0, nativeView.framebufferSize);
|
||
}
|
||
|
||
void bind() override {
|
||
if (!implicitFramebufferBound()) {
|
||
// Something modified our state, and we need to bind the original drawable again.
|
||
// Doing this also sets the viewport to the full framebuffer.
|
||
// Note that in reality, iOS does not use the Framebuffer 0 (it's typically 1), and we
|
||
// only use this is a placeholder value.
|
||
[nativeView.glView bindDrawable];
|
||
updateAssumedState();
|
||
} else {
|
||
// Our framebuffer is still bound, but the viewport might have changed.
|
||
setViewport(0, 0, nativeView.framebufferSize);
|
||
}
|
||
}
|
||
|
||
mbgl::Size getFramebufferSize() const override {
|
||
return nativeView.framebufferSize;
|
||
}
|
||
|
||
void onCameraWillChange(mbgl::MapObserver::CameraChangeMode mode) override {
|
||
bool animated = mode == mbgl::MapObserver::CameraChangeMode::Animated;
|
||
[nativeView cameraWillChangeAnimated:animated];
|
||
}
|
||
|
||
void onCameraIsChanging() override {
|
||
[nativeView cameraIsChanging];
|
||
}
|
||
|
||
void onCameraDidChange(mbgl::MapObserver::CameraChangeMode mode) override {
|
||
bool animated = mode == mbgl::MapObserver::CameraChangeMode::Animated;
|
||
[nativeView cameraDidChangeAnimated:animated];
|
||
}
|
||
|
||
void onWillStartLoadingMap() override {
|
||
[nativeView mapViewWillStartLoadingMap];
|
||
}
|
||
|
||
void onDidFinishLoadingMap() override {
|
||
[nativeView mapViewDidFinishLoadingMap];
|
||
}
|
||
|
||
void onDidFailLoadingMap(std::exception_ptr exception) override {
|
||
NSString *description;
|
||
MGLErrorCode code;
|
||
try {
|
||
std::rethrow_exception(exception);
|
||
} catch (const mbgl::util::StyleParseException&) {
|
||
code = MGLErrorCodeParseStyleFailed;
|
||
description = NSLocalizedStringWithDefaultValue(@"PARSE_STYLE_FAILED_DESC", nil, nil, @"The map failed to load because the style is corrupted.", @"User-friendly error description");
|
||
} catch (const mbgl::util::StyleLoadException&) {
|
||
code = MGLErrorCodeLoadStyleFailed;
|
||
description = NSLocalizedStringWithDefaultValue(@"LOAD_STYLE_FAILED_DESC", nil, nil, @"The map failed to load because the style can't be loaded.", @"User-friendly error description");
|
||
} catch (const mbgl::util::NotFoundException&) {
|
||
code = MGLErrorCodeNotFound;
|
||
description = NSLocalizedStringWithDefaultValue(@"STYLE_NOT_FOUND_DESC", nil, nil, @"The map failed to load because the style can’t be found or is incompatible.", @"User-friendly error description");
|
||
} catch (...) {
|
||
code = MGLErrorCodeUnknown;
|
||
description = NSLocalizedStringWithDefaultValue(@"LOAD_MAP_FAILED_DESC", nil, nil, @"The map failed to load because an unknown error occurred.", @"User-friendly error description");
|
||
}
|
||
NSDictionary *userInfo = @{
|
||
NSLocalizedDescriptionKey: description,
|
||
NSLocalizedFailureReasonErrorKey: @(mbgl::util::toString(exception).c_str()),
|
||
};
|
||
NSError *error = [NSError errorWithDomain:MGLErrorDomain code:code userInfo:userInfo];
|
||
[nativeView mapViewDidFailLoadingMapWithError:error];
|
||
}
|
||
|
||
void onWillStartRenderingFrame() override {
|
||
[nativeView mapViewWillStartRenderingFrame];
|
||
}
|
||
|
||
void onDidFinishRenderingFrame(mbgl::MapObserver::RenderMode mode) override {
|
||
bool fullyRendered = mode == mbgl::MapObserver::RenderMode::Full;
|
||
[nativeView mapViewDidFinishRenderingFrameFullyRendered:fullyRendered];
|
||
}
|
||
|
||
void onWillStartRenderingMap() override {
|
||
[nativeView mapViewWillStartRenderingMap];
|
||
}
|
||
|
||
void onDidFinishRenderingMap(mbgl::MapObserver::RenderMode mode) override {
|
||
bool fullyRendered = mode == mbgl::MapObserver::RenderMode::Full;
|
||
[nativeView mapViewDidFinishRenderingMapFullyRendered:fullyRendered];
|
||
}
|
||
|
||
void onDidFinishLoadingStyle() override {
|
||
[nativeView didFinishLoadingStyle];
|
||
}
|
||
|
||
mbgl::gl::ProcAddress getExtensionFunctionPointer(const char* name) override {
|
||
static CFBundleRef framework = CFBundleGetBundleWithIdentifier(CFSTR("com.apple.opengles"));
|
||
if (!framework) {
|
||
throw std::runtime_error("Failed to load OpenGL framework.");
|
||
}
|
||
|
||
CFStringRef str =
|
||
CFStringCreateWithCString(kCFAllocatorDefault, name, kCFStringEncodingASCII);
|
||
void* symbol = CFBundleGetFunctionPointerForName(framework, str);
|
||
CFRelease(str);
|
||
|
||
return reinterpret_cast<mbgl::gl::ProcAddress>(symbol);
|
||
}
|
||
|
||
void activate() override
|
||
{
|
||
if (activationCount++)
|
||
{
|
||
return;
|
||
}
|
||
|
||
[EAGLContext setCurrentContext:nativeView.context];
|
||
}
|
||
|
||
void deactivate() override
|
||
{
|
||
if (--activationCount)
|
||
{
|
||
return;
|
||
}
|
||
|
||
[EAGLContext setCurrentContext:nil];
|
||
}
|
||
|
||
private:
|
||
__weak MGLMapView *nativeView = nullptr;
|
||
|
||
NSUInteger activationCount = 0;
|
||
};
|
||
|
||
@end
|
||
|
||
#pragma mark - IBAdditions methods
|
||
|
||
@implementation MGLMapView (IBAdditions)
|
||
|
||
+ (NSSet<NSString *> *)keyPathsForValuesAffectingStyleURL__
|
||
{
|
||
return [NSSet setWithObject:@"styleURL"];
|
||
}
|
||
|
||
- (nullable NSString *)styleURL__
|
||
{
|
||
return self.styleURL.absoluteString;
|
||
}
|
||
|
||
- (void)setStyleURL__:(nullable NSString *)URLString
|
||
{
|
||
URLString = [URLString stringByTrimmingCharactersInSet:
|
||
[NSCharacterSet whitespaceAndNewlineCharacterSet]];
|
||
NSURL *url = URLString.length ? [NSURL URLWithString:URLString] : nil;
|
||
if (URLString.length && !url)
|
||
{
|
||
[NSException raise:MGLInvalidStyleURLException
|
||
format:@"“%@” is not a valid style URL.", URLString];
|
||
}
|
||
self.styleURL = url;
|
||
}
|
||
|
||
+ (NSSet<NSString *> *)keyPathsForValuesAffectingLatitude
|
||
{
|
||
return [NSSet setWithObjects:@"centerCoordinate", @"camera", nil];
|
||
}
|
||
|
||
- (double)latitude
|
||
{
|
||
return self.centerCoordinate.latitude;
|
||
}
|
||
|
||
- (void)setLatitude:(double)latitude
|
||
{
|
||
if ( ! isnan(_pendingLongitude))
|
||
{
|
||
self.centerCoordinate = CLLocationCoordinate2DMake(latitude, _pendingLongitude);
|
||
_pendingLatitude = NAN;
|
||
_pendingLongitude = NAN;
|
||
}
|
||
else
|
||
{
|
||
// Not enough info to make a valid center coordinate yet. Stash this
|
||
// latitude away until the longitude is set too.
|
||
_pendingLatitude = latitude;
|
||
}
|
||
}
|
||
|
||
+ (NSSet<NSString *> *)keyPathsForValuesAffectingLongitude
|
||
{
|
||
return [NSSet setWithObjects:@"centerCoordinate", @"camera", nil];
|
||
}
|
||
|
||
- (double)longitude
|
||
{
|
||
return self.centerCoordinate.longitude;
|
||
}
|
||
|
||
- (void)setLongitude:(double)longitude
|
||
{
|
||
if ( ! isnan(_pendingLatitude))
|
||
{
|
||
self.centerCoordinate = CLLocationCoordinate2DMake(_pendingLatitude, longitude);
|
||
_pendingLatitude = NAN;
|
||
_pendingLongitude = NAN;
|
||
}
|
||
else
|
||
{
|
||
// Not enough info to make a valid center coordinate yet. Stash this
|
||
// longitude away until the latitude is set too.
|
||
_pendingLongitude = longitude;
|
||
}
|
||
}
|
||
|
||
+ (NSSet<NSString *> *)keyPathsForValuesAffectingAllowsZooming
|
||
{
|
||
return [NSSet setWithObject:@"zoomEnabled"];
|
||
}
|
||
|
||
- (BOOL)allowsZooming
|
||
{
|
||
return self.zoomEnabled;
|
||
}
|
||
|
||
- (void)setAllowsZooming:(BOOL)allowsZooming
|
||
{
|
||
self.zoomEnabled = allowsZooming;
|
||
}
|
||
|
||
+ (NSSet<NSString *> *)keyPathsForValuesAffectingAllowsScrolling
|
||
{
|
||
return [NSSet setWithObject:@"scrollEnabled"];
|
||
}
|
||
|
||
- (BOOL)allowsScrolling
|
||
{
|
||
return self.scrollEnabled;
|
||
}
|
||
|
||
- (void)setAllowsScrolling:(BOOL)allowsScrolling
|
||
{
|
||
self.scrollEnabled = allowsScrolling;
|
||
}
|
||
|
||
+ (NSSet<NSString *> *)keyPathsForValuesAffectingAllowsRotating
|
||
{
|
||
return [NSSet setWithObject:@"rotateEnabled"];
|
||
}
|
||
|
||
- (BOOL)allowsRotating
|
||
{
|
||
return self.rotateEnabled;
|
||
}
|
||
|
||
- (void)setAllowsRotating:(BOOL)allowsRotating
|
||
{
|
||
self.rotateEnabled = allowsRotating;
|
||
}
|
||
|
||
+ (NSSet<NSString *> *)keyPathsForValuesAffectingAllowsTilting
|
||
{
|
||
return [NSSet setWithObject:@"pitchEnabled"];
|
||
}
|
||
|
||
- (BOOL)allowsTilting
|
||
{
|
||
return self.pitchEnabled;
|
||
}
|
||
|
||
- (void)setAllowsTilting:(BOOL)allowsTilting
|
||
{
|
||
self.pitchEnabled = allowsTilting;
|
||
}
|
||
|
||
+ (NSSet<NSString *> *)keyPathsForValuesAffectingShowsHeading
|
||
{
|
||
return [NSSet setWithObject:@"showsUserHeadingIndicator"];
|
||
}
|
||
|
||
- (BOOL)showsHeading
|
||
{
|
||
return self.showsUserHeadingIndicator;
|
||
}
|
||
|
||
- (void)setShowsHeading:(BOOL)showsHeading
|
||
{
|
||
self.showsUserHeadingIndicator = showsHeading;
|
||
}
|
||
|
||
@end
|