feat: add ios particle field runtime facade
This commit is contained in:
tei
@@ -5,6 +5,7 @@ MLN_IOS_SDK_HEADERS = [
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"src/MLNCameraChangeReason.h",
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"src/MLNCompassButton.h",
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"src/MLNMapProjection.h",
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"src/MLNParticleFieldRuntime.h",
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"src/MLNMapView+IBAdditions.h",
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"src/MLNMapViewDelegate.h",
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"src/MLNMapView.h",
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@@ -67,6 +68,7 @@ MLN_IOS_PUBLIC_OBJCPP_SOURCE = [
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"src/MLNMapProjection.mm",
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"src/MLNMapView.mm",
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"src/MLNMapView+Impl.mm",
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"src/MLNParticleFieldRuntime.mm",
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"src/MLNScaleBar.mm",
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"src/UIColor+MLNAdditions.mm",
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"src/UIImage+MLNAdditions.mm",
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122
platform/ios/src/MLNParticleFieldRuntime.h
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122
platform/ios/src/MLNParticleFieldRuntime.h
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@@ -0,0 +1,122 @@
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#import <Foundation/Foundation.h>
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#import "MLNFoundation.h"
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#import "MLNMapView.h"
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NS_ASSUME_NONNULL_BEGIN
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FOUNDATION_EXPORT NSErrorDomain const MLNParticleFieldRuntimeErrorDomain;
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typedef NS_ERROR_ENUM(MLNParticleFieldRuntimeErrorDomain, MLNParticleFieldRuntimeErrorCode) {
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MLNParticleFieldRuntimeErrorInvalidArgument = 1,
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MLNParticleFieldRuntimeErrorDisposed,
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MLNParticleFieldRuntimeErrorMapUnavailable,
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MLNParticleFieldRuntimeErrorStyleNotReady,
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MLNParticleFieldRuntimeErrorSourceMissing,
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MLNParticleFieldRuntimeErrorSourceTypeMismatch,
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MLNParticleFieldRuntimeErrorWeatherColorLayerMissing,
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MLNParticleFieldRuntimeErrorWeatherColorLayerTypeMismatch,
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MLNParticleFieldRuntimeErrorParticleLayerMissing,
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MLNParticleFieldRuntimeErrorParticleLayerTypeMismatch,
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MLNParticleFieldRuntimeErrorLayerSourceMismatch,
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};
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typedef NS_ENUM(NSInteger, MLNParticleEncodedFieldSubmitResult) {
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/// Facade/lifecycle errors are returned through NSError and use no Core result.
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MLNParticleEncodedFieldSubmitResultNone = 0,
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MLNParticleEncodedFieldSubmitResultAcceptedInserted = 1,
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MLNParticleEncodedFieldSubmitResultAcceptedReplacedRevision = 2,
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MLNParticleEncodedFieldSubmitResultDuplicate = 3,
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MLNParticleEncodedFieldSubmitResultRejectedDecode = -1,
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MLNParticleEncodedFieldSubmitResultRejectedContract = -2,
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MLNParticleEncodedFieldSubmitResultRejectedInvalidFieldKey = -3,
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MLNParticleEncodedFieldSubmitResultRejectedIdentityConflict = -4,
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MLNParticleEncodedFieldSubmitResultRejectedStaleRevision = -5,
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MLNParticleEncodedFieldSubmitResultRejectedIncompatible = -6,
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MLNParticleEncodedFieldSubmitResultRejectedCapacity = -7,
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};
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typedef NS_ENUM(NSInteger, MLNParticleFieldValueClass) {
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MLNParticleFieldValueClassScalar = 0,
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MLNParticleFieldValueClassVelocityComponent = 1,
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MLNParticleFieldValueClassDirectionAngle = 2,
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};
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typedef NS_ENUM(NSInteger, MLNParticleEncodedParticleBindingMode) {
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MLNParticleEncodedParticleBindingModeVectorComponents = 0,
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MLNParticleEncodedParticleBindingModeDirectionAngle = 1,
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};
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/** Host-neutral identifiers for the existing style JSON raster-array and particle layers. */
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MLN_EXPORT
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@interface MLNParticleFieldRuntimeConfiguration : NSObject <NSCopying>
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@property (nonatomic, copy, readonly) NSString *sourceIdentifier;
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@property (nonatomic, copy, readonly) NSString *weatherColorLayerIdentifier;
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@property (nonatomic, copy, readonly) NSString *particleLayerIdentifier;
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- (instancetype)initWithSourceIdentifier:(NSString *)sourceIdentifier
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weatherColorLayerIdentifier:(NSString *)weatherColorLayerIdentifier
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particleLayerIdentifier:(NSString *)particleLayerIdentifier NS_DESIGNATED_INITIALIZER;
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- (instancetype)init NS_UNAVAILABLE;
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@end
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/**
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A map-scoped V4 QBIN control facade. It owns neither a provider nor Core field
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state; each operation resolves the current style again so style reloads fail closed.
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*/
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MLN_EXPORT
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@interface MLNParticleFieldRuntime : NSObject
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@property (nonatomic, copy, readonly) MLNParticleFieldRuntimeConfiguration *configuration;
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@property (nonatomic, readonly, getter=isDisposed) BOOL disposed;
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- (instancetype)init NS_UNAVAILABLE;
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- (void)dispose;
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- (MLNParticleEncodedFieldSubmitResult)submitEncodedFieldWithFieldKey:(NSString *)fieldKey
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fieldID:(NSString *)fieldID
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generation:(uint64_t)generation
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dataVersion:(uint64_t)dataVersion
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contractJSON:(NSString *)contractJSON
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qbin:(NSData *)qbin
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error:(NSError * _Nullable * _Nullable)error;
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- (BOOL)setEncodedColorBindingWithFieldKey:(NSString *)fieldKey
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semanticID:(uint16_t)semanticID
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groupID:(uint16_t)groupID
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expectedValueClass:(MLNParticleFieldValueClass)expectedValueClass
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expectedUnitID:(uint16_t)expectedUnitID
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error:(NSError * _Nullable * _Nullable)error;
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- (BOOL)setEncodedParticleBindingWithFieldKey:(NSString *)fieldKey
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mode:(MLNParticleEncodedParticleBindingMode)mode
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uSemanticID:(uint16_t)uSemanticID
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uGroupID:(uint16_t)uGroupID
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vSemanticID:(uint16_t)vSemanticID
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vGroupID:(uint16_t)vGroupID
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directionSemanticID:(uint16_t)directionSemanticID
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directionGroupID:(uint16_t)directionGroupID
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expectedUnitID:(uint16_t)expectedUnitID
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error:(NSError * _Nullable * _Nullable)error;
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- (BOOL)setEncodedForecastTime:(uint64_t)timestamp error:(NSError * _Nullable * _Nullable)error;
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- (BOOL)setEncodedForecastPlaybackState:(BOOL)playing error:(NSError * _Nullable * _Nullable)error;
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- (BOOL)setEncodedForecastPlaybackSpeed:(float)speed error:(NSError * _Nullable * _Nullable)error;
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- (BOOL)clearEncodedFieldWithFieldKey:(NSString *)fieldKey error:(NSError * _Nullable * _Nullable)error;
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- (BOOL)clearAllEncodedFieldsWithError:(NSError * _Nullable * _Nullable)error;
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@end
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/** MapView owns the runtime and disposes a replaced runtime before attaching a new one. */
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@interface MLNMapView (ParticleFieldRuntime)
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- (nullable MLNParticleFieldRuntime *)replaceParticleFieldRuntimeWithConfiguration:(MLNParticleFieldRuntimeConfiguration *)configuration
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error:(NSError * _Nullable * _Nullable)error;
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- (nullable MLNParticleFieldRuntime *)particleFieldRuntime;
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- (void)disposeParticleFieldRuntime;
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@end
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NS_ASSUME_NONNULL_END
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253
platform/ios/src/MLNParticleFieldRuntime.mm
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253
platform/ios/src/MLNParticleFieldRuntime.mm
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@@ -0,0 +1,253 @@
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#import "MLNParticleFieldRuntime.h"
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#import "MLNMapView_Private.h"
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#import <objc/runtime.h>
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#include <mbgl/particle/field/field_profile_contract_json.hpp>
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#include <mbgl/map/map.hpp>
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#include <mbgl/style/style.hpp>
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#include <mbgl/style/layers/raster_particle_layer.hpp>
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#include <mbgl/style/layers/raster_particle_layer_impl.hpp>
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#include <mbgl/style/layers/weather_color_layer.hpp>
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#include <mbgl/style/layers/weather_color_layer_impl.hpp>
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#include <mbgl/style/sources/raster_array_source.hpp>
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#include <cmath>
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#include <vector>
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NSErrorDomain const MLNParticleFieldRuntimeErrorDomain = @"org.maplibre.MLNParticleFieldRuntime";
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namespace {
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constexpr NSUInteger MaxEncodedIdentifierUTF8Bytes = 64;
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constexpr NSUInteger MaxContractUTF8Bytes = 256 * 1024;
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constexpr NSUInteger MaxQbinBytes = 64 * 1024 * 1024;
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void setError(NSError **error, MLNParticleFieldRuntimeErrorCode code, NSString *description) {
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if (error) *error = [NSError errorWithDomain:MLNParticleFieldRuntimeErrorDomain
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code:code
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userInfo:@{NSLocalizedDescriptionKey: description}];
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}
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bool hasValidIdentifier(NSString *value) {
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return value && value.length > 0 && [value lengthOfBytesUsingEncoding:NSUTF8StringEncoding] <= MaxEncodedIdentifierUTF8Bytes;
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}
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bool hasValidContract(NSString *value) {
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return value && value.length > 0 && [value lengthOfBytesUsingEncoding:NSUTF8StringEncoding] <= MaxContractUTF8Bytes;
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}
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std::string stringFromNSString(NSString *value) {
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const char *utf8 = value.UTF8String;
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return utf8 ? std::string(utf8) : std::string();
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}
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} // namespace
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@implementation MLNParticleFieldRuntimeConfiguration
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- (instancetype)initWithSourceIdentifier:(NSString *)sourceIdentifier
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weatherColorLayerIdentifier:(NSString *)weatherColorLayerIdentifier
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particleLayerIdentifier:(NSString *)particleLayerIdentifier {
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NSParameterAssert(sourceIdentifier.length > 0);
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NSParameterAssert(weatherColorLayerIdentifier.length > 0);
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NSParameterAssert(particleLayerIdentifier.length > 0);
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if (sourceIdentifier.length == 0 || weatherColorLayerIdentifier.length == 0 || particleLayerIdentifier.length == 0) {
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[NSException raise:NSInvalidArgumentException format:@"Particle field runtime identifiers must be non-empty."];
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}
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if ((self = [super init])) {
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_sourceIdentifier = [sourceIdentifier copy];
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_weatherColorLayerIdentifier = [weatherColorLayerIdentifier copy];
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_particleLayerIdentifier = [particleLayerIdentifier copy];
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}
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return self;
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}
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- (id)copyWithZone:(NSZone *)zone {
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return [[[self class] allocWithZone:zone] initWithSourceIdentifier:_sourceIdentifier
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weatherColorLayerIdentifier:_weatherColorLayerIdentifier
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particleLayerIdentifier:_particleLayerIdentifier];
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}
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@end
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@interface MLNParticleFieldRuntime () {
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__weak MLNMapView *_mapView;
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BOOL _disposed;
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}
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- (instancetype)initWithMapView:(MLNMapView *)mapView
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configuration:(MLNParticleFieldRuntimeConfiguration *)configuration
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error:(NSError **)error;
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@end
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@implementation MLNParticleFieldRuntime
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- (instancetype)initWithMapView:(MLNMapView *)mapView
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configuration:(MLNParticleFieldRuntimeConfiguration *)configuration
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error:(NSError **)error {
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if ((self = [super init])) {
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_mapView = mapView;
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_configuration = [configuration copy];
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if (![self withCurrentSource:error action:^bool(mbgl::style::RasterArraySource &) { return true; }]) return nil;
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}
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return self;
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}
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- (BOOL)isDisposed { return _disposed; }
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- (void)dispose {
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_disposed = YES;
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_mapView = nil;
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}
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- (BOOL)withCurrentSource:(NSError **)error action:(bool (^)(mbgl::style::RasterArraySource &))action {
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if (_disposed) {
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setError(error, MLNParticleFieldRuntimeErrorDisposed, @"Particle field runtime has been disposed.");
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return NO;
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}
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MLNMapView *mapView = _mapView;
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if (!mapView) {
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setError(error, MLNParticleFieldRuntimeErrorMapUnavailable, @"The owning map view is no longer available.");
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return NO;
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}
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@try {
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auto& style = [mapView mbglMap].getStyle();
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const auto sourceID = stringFromNSString(_configuration.sourceIdentifier);
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auto *untypedSource = style.getSource(sourceID);
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auto *source = untypedSource ? untypedSource->as<mbgl::style::RasterArraySource>() : nullptr;
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if (!source) {
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setError(error, untypedSource ? MLNParticleFieldRuntimeErrorSourceTypeMismatch : MLNParticleFieldRuntimeErrorSourceMissing,
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untypedSource ? @"The configured source is not a raster-array source." : @"The configured raster-array source is missing from the current style.");
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return NO;
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}
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const auto weatherID = stringFromNSString(_configuration.weatherColorLayerIdentifier);
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auto *untypedWeather = style.getLayer(weatherID);
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auto *weather = untypedWeather && mbgl::style::layerTypeInfoEquals(untypedWeather->getTypeInfo(), mbgl::style::WeatherColorLayer::Impl::staticTypeInfo())
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? static_cast<mbgl::style::WeatherColorLayer *>(untypedWeather) : nullptr;
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if (!weather) {
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setError(error, untypedWeather ? MLNParticleFieldRuntimeErrorWeatherColorLayerTypeMismatch : MLNParticleFieldRuntimeErrorWeatherColorLayerMissing,
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untypedWeather ? @"The configured weather-color layer has the wrong Core type." : @"The configured weather-color layer is missing from the current style.");
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return NO;
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}
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const auto particleID = stringFromNSString(_configuration.particleLayerIdentifier);
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auto *untypedParticle = style.getLayer(particleID);
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auto *particle = untypedParticle && mbgl::style::layerTypeInfoEquals(untypedParticle->getTypeInfo(), mbgl::style::RasterParticleLayer::Impl::staticTypeInfo())
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? static_cast<mbgl::style::RasterParticleLayer *>(untypedParticle) : nullptr;
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if (!particle) {
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setError(error, untypedParticle ? MLNParticleFieldRuntimeErrorParticleLayerTypeMismatch : MLNParticleFieldRuntimeErrorParticleLayerMissing,
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untypedParticle ? @"The configured raster-particle layer has the wrong Core type." : @"The configured raster-particle layer is missing from the current style.");
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return NO;
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}
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if (weather->getSourceID() != sourceID || particle->getSourceID() != sourceID) {
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setError(error, MLNParticleFieldRuntimeErrorLayerSourceMismatch, @"Configured particle layers do not reference the configured raster-array source.");
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return NO;
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}
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return action(*source);
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} @catch (NSException *exception) {
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setError(error, MLNParticleFieldRuntimeErrorMapUnavailable, exception.reason ?: @"The underlying map is unavailable.");
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return NO;
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}
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}
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- (MLNParticleEncodedFieldSubmitResult)submitEncodedFieldWithFieldKey:(NSString *)fieldKey
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fieldID:(NSString *)fieldID
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generation:(uint64_t)generation
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dataVersion:(uint64_t)dataVersion
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contractJSON:(NSString *)contractJSON
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qbin:(NSData *)qbin
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error:(NSError **)error {
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if (!hasValidIdentifier(fieldKey) || !hasValidIdentifier(fieldID) || !hasValidContract(contractJSON) || generation == 0 || qbin.length == 0 || qbin.length > MaxQbinBytes) {
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setError(error, MLNParticleFieldRuntimeErrorInvalidArgument, @"Encoded field arguments violate the V4 transport contract.");
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return MLNParticleEncodedFieldSubmitResultNone;
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}
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const auto contract = mbgl::particle::parseResolvedFieldProfileContractJson(stringFromNSString(contractJSON));
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if (!contract || !hasValidIdentifier([NSString stringWithUTF8String:contract->profileID.c_str()])) {
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setError(error, MLNParticleFieldRuntimeErrorInvalidArgument, @"contractJSON is not a valid V4 field profile contract.");
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return MLNParticleEncodedFieldSubmitResultNone;
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}
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std::vector<uint8_t> bytes(qbin.length);
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[qbin getBytes:bytes.data() length:bytes.size()];
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__block MLNParticleEncodedFieldSubmitResult result = MLNParticleEncodedFieldSubmitResultNone;
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const BOOL completed = [self withCurrentSource:error action:^bool(mbgl::style::RasterArraySource &source) {
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const auto coreResult = source.submitEncodedField(stringFromNSString(fieldKey),
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{stringFromNSString(fieldID), generation, dataVersion}, *contract, bytes);
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result = static_cast<MLNParticleEncodedFieldSubmitResult>(coreResult);
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return true;
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}];
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return completed ? result : MLNParticleEncodedFieldSubmitResultNone;
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}
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- (BOOL)setEncodedColorBindingWithFieldKey:(NSString *)fieldKey semanticID:(uint16_t)semanticID groupID:(uint16_t)groupID expectedValueClass:(MLNParticleFieldValueClass)expectedValueClass expectedUnitID:(uint16_t)expectedUnitID error:(NSError **)error {
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if (!hasValidIdentifier(fieldKey) || semanticID == 0 || expectedValueClass < MLNParticleFieldValueClassScalar || expectedValueClass > MLNParticleFieldValueClassDirectionAngle) {
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setError(error, MLNParticleFieldRuntimeErrorInvalidArgument, @"Invalid encoded color binding."); return NO;
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}
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return [self withCurrentSource:error action:^bool(mbgl::style::RasterArraySource &source) {
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source.setColorBinding({stringFromNSString(fieldKey), {semanticID, groupID}, static_cast<mbgl::particle::FieldValueClass>(expectedValueClass), expectedUnitID});
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return true;
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}];
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}
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- (BOOL)setEncodedParticleBindingWithFieldKey:(NSString *)fieldKey mode:(MLNParticleEncodedParticleBindingMode)mode uSemanticID:(uint16_t)uSemanticID uGroupID:(uint16_t)uGroupID vSemanticID:(uint16_t)vSemanticID vGroupID:(uint16_t)vGroupID directionSemanticID:(uint16_t)directionSemanticID directionGroupID:(uint16_t)directionGroupID expectedUnitID:(uint16_t)expectedUnitID error:(NSError **)error {
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if (!hasValidIdentifier(fieldKey)) { setError(error, MLNParticleFieldRuntimeErrorInvalidArgument, @"Invalid encoded particle field key."); return NO; }
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const bool vector = mode == MLNParticleEncodedParticleBindingModeVectorComponents && uSemanticID != 0 && vSemanticID != 0 && directionSemanticID == 0 && directionGroupID == 0;
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const bool direction = mode == MLNParticleEncodedParticleBindingModeDirectionAngle && uSemanticID == 0 && uGroupID == 0 && vSemanticID == 0 && vGroupID == 0 && directionSemanticID != 0;
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if (!vector && !direction) { setError(error, MLNParticleFieldRuntimeErrorInvalidArgument, @"Inactive particle selectors must be exactly semanticID = 0 and groupID = 0."); return NO; }
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return [self withCurrentSource:error action:^bool(mbgl::style::RasterArraySource &source) {
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mbgl::particle::ParticleBinding binding;
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binding.fieldKey = stringFromNSString(fieldKey);
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binding.expectedUnitID = expectedUnitID;
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if (vector) { binding.mode = mbgl::particle::ParticleBindingMode::VectorComponents; binding.uPlane = {uSemanticID, uGroupID}; binding.vPlane = {vSemanticID, vGroupID}; }
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else { binding.mode = mbgl::particle::ParticleBindingMode::DirectionAngle; binding.directionPlane = {directionSemanticID, directionGroupID}; }
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source.setParticleBinding(std::move(binding));
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return true;
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}];
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}
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- (BOOL)setEncodedForecastTime:(uint64_t)timestamp error:(NSError **)error {
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return [self withCurrentSource:error action:^bool(mbgl::style::RasterArraySource &source) { return source.setRequestedForecastTime(timestamp); }];
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}
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- (BOOL)setEncodedForecastPlaybackState:(BOOL)playing error:(NSError **)error {
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return [self withCurrentSource:error action:^bool(mbgl::style::RasterArraySource &source) { source.setForecastPlaybackState(playing ? mbgl::particle::ForecastPlaybackState::Playing : mbgl::particle::ForecastPlaybackState::Paused); return true; }];
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}
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- (BOOL)setEncodedForecastPlaybackSpeed:(float)speed error:(NSError **)error {
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if (!std::isfinite(speed) || speed <= 0) { setError(error, MLNParticleFieldRuntimeErrorInvalidArgument, @"Forecast playback speed must be finite and greater than zero."); return NO; }
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return [self withCurrentSource:error action:^bool(mbgl::style::RasterArraySource &source) { return source.setForecastPlaybackSpeed(speed); }];
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}
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- (BOOL)clearEncodedFieldWithFieldKey:(NSString *)fieldKey error:(NSError **)error {
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if (!hasValidIdentifier(fieldKey)) { setError(error, MLNParticleFieldRuntimeErrorInvalidArgument, @"Invalid encoded field key."); return NO; }
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return [self withCurrentSource:error action:^bool(mbgl::style::RasterArraySource &source) { return source.clearEncodedField(stringFromNSString(fieldKey)); }];
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}
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- (BOOL)clearAllEncodedFieldsWithError:(NSError **)error {
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return [self withCurrentSource:error action:^bool(mbgl::style::RasterArraySource &source) { source.clearAllEncodedFields(); return true; }];
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}
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@end
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namespace { const void *ParticleFieldRuntimeAssociationKey = &ParticleFieldRuntimeAssociationKey; }
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@implementation MLNMapView (ParticleFieldRuntime)
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|
||||
- (MLNParticleFieldRuntime *)replaceParticleFieldRuntimeWithConfiguration:(MLNParticleFieldRuntimeConfiguration *)configuration error:(NSError **)error {
|
||||
[self disposeParticleFieldRuntime];
|
||||
if (!configuration) { setError(error, MLNParticleFieldRuntimeErrorInvalidArgument, @"A particle field runtime configuration is required."); return nil; }
|
||||
MLNParticleFieldRuntime *runtime = [[MLNParticleFieldRuntime alloc] initWithMapView:self configuration:configuration error:error];
|
||||
if (!runtime) return nil;
|
||||
objc_setAssociatedObject(self, ParticleFieldRuntimeAssociationKey, runtime, OBJC_ASSOCIATION_RETAIN_NONATOMIC);
|
||||
return runtime;
|
||||
}
|
||||
|
||||
- (MLNParticleFieldRuntime *)particleFieldRuntime {
|
||||
return objc_getAssociatedObject(self, ParticleFieldRuntimeAssociationKey);
|
||||
}
|
||||
|
||||
- (void)disposeParticleFieldRuntime {
|
||||
MLNParticleFieldRuntime *runtime = self.particleFieldRuntime;
|
||||
[runtime dispose];
|
||||
objc_setAssociatedObject(self, ParticleFieldRuntimeAssociationKey, nil, OBJC_ASSOCIATION_RETAIN_NONATOMIC);
|
||||
}
|
||||
|
||||
@end
|
||||
@@ -42,6 +42,7 @@ FOUNDATION_EXPORT MLN_EXPORT const unsigned char MapboxVersionString[];
|
||||
#import "MLNMapView+IBAdditions.h"
|
||||
#import "MLNMapView.h"
|
||||
#import "MLNMapViewDelegate.h"
|
||||
#import "MLNParticleFieldRuntime.h"
|
||||
#import "MLNMultiPoint.h"
|
||||
#import "MLNNetworkConfiguration.h"
|
||||
#import "MLNOfflinePack.h"
|
||||
|
||||
Reference in New Issue
Block a user