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#import "MGLVectorSource_Private.h"
#import "MGLMapView_Private.h"
#import "MGLFeature_Private.h"
#import "MGLSource_Private.h"
#import "MGLTileSource_Private.h"
#import "NSPredicate+MGLAdditions.h"
#import "NSURL+MGLAdditions.h"
#include <mbgl/map/map.hpp>
#include <mbgl/style/sources/vector_source.hpp>
@interface MGLVectorSource ()
- (instancetype)initWithRawSource:(mbgl::style::VectorSource *)rawSource NS_DESIGNATED_INITIALIZER;
@property (nonatomic) mbgl::style::VectorSource *rawSource;
@end
@implementation MGLVectorSource {
std::unique_ptr<mbgl::style::VectorSource> _pendingSource;
}
- (instancetype)initWithIdentifier:(NSString *)identifier configurationURL:(NSURL *)configurationURL {
if (self = [super initWithIdentifier:identifier configurationURL:configurationURL]) {
auto source = std::make_unique<mbgl::style::VectorSource>(identifier.UTF8String,
configurationURL.mgl_URLByStandardizingScheme.absoluteString.UTF8String);
_pendingSource = std::move(source);
self.rawSource = _pendingSource.get();
}
return self;
}
- (instancetype)initWithIdentifier:(NSString *)identifier tileURLTemplates:(NS_ARRAY_OF(NSString *) *)tileURLTemplates options:(nullable NS_DICTIONARY_OF(MGLTileSourceOption, id) *)options {
if (self = [super initWithIdentifier:identifier tileURLTemplates:tileURLTemplates options:options]) {
mbgl::Tileset tileSet = MGLTileSetFromTileURLTemplates(tileURLTemplates, options);
auto source = std::make_unique<mbgl::style::VectorSource>(identifier.UTF8String, tileSet);
_pendingSource = std::move(source);
self.rawSource = _pendingSource.get();
}
return self;
}
- (instancetype)initWithRawSource:(mbgl::style::VectorSource *)rawSource {
return [super initWithRawSource:rawSource];
}
- (void)addToMapView:(MGLMapView *)mapView {
if (_pendingSource == nullptr) {
[NSException raise:@"MGLRedundantSourceException"
format:@"This instance %@ was already added to %@. Adding the same source instance " \
"to the style more than once is invalid.", self, mapView.style];
}
mapView.mbglMap->addSource(std::move(_pendingSource));
}
- (void)removeFromMapView:(MGLMapView *)mapView {
if (self.rawSource != mapView.mbglMap->getSource(self.identifier.UTF8String)) {
return;
}
auto removedSource = mapView.mbglMap->removeSource(self.identifier.UTF8String);
mbgl::style::VectorSource *source = dynamic_cast<mbgl::style::VectorSource *>(removedSource.get());
if (!source) {
return;
}
removedSource.release();
_pendingSource = std::unique_ptr<mbgl::style::VectorSource>(source);
self.rawSource = _pendingSource.get();
}
- (mbgl::style::VectorSource *)rawSource {
return (mbgl::style::VectorSource *)super.rawSource;
}
- (void)setRawSource:(mbgl::style::VectorSource *)rawSource {
super.rawSource = rawSource;
}
- (NSURL *)configurationURL {
auto url = self.rawSource->getURL();
return url ? [NSURL URLWithString:@(url->c_str())] : nil;
}
- (NSString *)attributionHTMLString {
auto attribution = self.rawSource->getAttribution();
return attribution ? @(attribution->c_str()) : nil;
}
- (NS_ARRAY_OF(id <MGLFeature>) *)featuresInSourceLayersWithIdentifiers:(NS_SET_OF(NSString *) *)sourceLayerIdentifiers predicate:(nullable NSPredicate *)predicate {
mbgl::optional<std::vector<std::string>> optionalSourceLayerIDs;
if (sourceLayerIdentifiers) {
__block std::vector<std::string> layerIDs;
layerIDs.reserve(sourceLayerIdentifiers.count);
[sourceLayerIdentifiers enumerateObjectsUsingBlock:^(NSString * _Nonnull identifier, BOOL * _Nonnull stop) {
layerIDs.push_back(identifier.UTF8String);
}];
optionalSourceLayerIDs = layerIDs;
}
mbgl::optional<mbgl::style::Filter> optionalFilter;
if (predicate) {
optionalFilter = predicate.mgl_filter;
}
std::vector<mbgl::Feature> features = self.rawSource->querySourceFeatures({ optionalSourceLayerIDs, optionalFilter });
return MGLFeaturesFromMBGLFeatures(features);
}
@end
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