70 lines
2.0 KiB
Plaintext
70 lines
2.0 KiB
Plaintext
#import "MGLSource_Private.h"
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#import "MGLMapView_Private.h"
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#include <mbgl/map/map.hpp>
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#include <mbgl/style/source.hpp>
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@interface MGLSource ()
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// Even though this class is abstract, MGLStyle uses it to represent some
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// special internal source types like mbgl::AnnotationSource.
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@property (nonatomic, readonly) mbgl::style::Source *rawSource;
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@property (nonatomic, readonly, weak) MGLMapView *mapView;
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@end
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@implementation MGLSource {
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std::unique_ptr<mbgl::style::Source> _pendingSource;
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}
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- (instancetype)initWithIdentifier:(NSString *)identifier
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{
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if (self = [super init]) {
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_identifier = identifier;
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}
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return self;
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}
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- (instancetype)initWithRawSource:(mbgl::style::Source *)rawSource {
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NSString *identifier = @(rawSource->getID().c_str());
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if (self = [self initWithIdentifier:identifier]) {
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_rawSource = rawSource;
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_rawSource->peer = SourceWrapper { self };
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}
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return self;
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}
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- (instancetype)initWithPendingSource:(std::unique_ptr<mbgl::style::Source>)pendingSource {
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if (self = [self initWithRawSource:pendingSource.get()]) {
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_pendingSource = std::move(pendingSource);
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}
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return self;
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}
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- (void)addToMapView:(MGLMapView *)mapView {
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if (_pendingSource == nullptr) {
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[NSException raise:@"MGLRedundantSourceException"
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format:@"This instance %@ was already added to %@. Adding the same source instance " \
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"to the style more than once is invalid.", self, mapView.style];
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}
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_mapView = mapView;
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mapView.mbglMap->addSource(std::move(_pendingSource));
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}
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- (void)removeFromMapView:(MGLMapView *)mapView {
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if (self.rawSource == mapView.mbglMap->getSource(self.identifier.UTF8String)) {
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_pendingSource = mapView.mbglMap->removeSource(self.identifier.UTF8String);
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_mapView = nil;
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}
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}
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- (NSString *)description {
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return [NSString stringWithFormat:@"<%@: %p; identifier = %@>",
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NSStringFromClass([self class]), (void *)self, self.identifier];
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}
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@end
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