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#import "MGLRasterTileSource_Private.h"
#import "MGLMapView_Private.h"
#import "MGLSource_Private.h"
#import "MGLTileSource_Private.h"
#import "NSURL+MGLAdditions.h"
#include <mbgl/map/map.hpp>
#include <mbgl/style/sources/raster_source.hpp>
const MGLTileSourceOption MGLTileSourceOptionTileSize = @"MGLTileSourceOptionTileSize";
static const CGFloat MGLRasterTileSourceClassicTileSize = 256;
static const CGFloat MGLRasterTileSourceRetinaTileSize = 512;
@interface MGLRasterTileSource ()
@property (nonatomic, readonly) mbgl::style::RasterSource *rawSource;
@end
@implementation MGLRasterTileSource
- (instancetype)initWithIdentifier:(NSString *)identifier configurationURL:(NSURL *)configurationURL {
// The style specification default is 512, but 256 is the expected value for
// any tile set that would be accessed through a mapbox: URL and therefore
// any tile URL that this option currently affects.
BOOL isMapboxURL = ([configurationURL.scheme isEqualToString:@"mapbox"]
&& [configurationURL.host containsString:@"."]
&& (!configurationURL.path.length || [configurationURL.path isEqualToString:@"/"]));
CGFloat tileSize = isMapboxURL ? MGLRasterTileSourceClassicTileSize : MGLRasterTileSourceRetinaTileSize;
return [self initWithIdentifier:identifier configurationURL:configurationURL tileSize:tileSize];
}
- (instancetype)initWithIdentifier:(NSString *)identifier configurationURL:(NSURL *)configurationURL tileSize:(CGFloat)tileSize {
NSString *configurationURLString = configurationURL.mgl_URLByStandardizingScheme.absoluteString;
auto source = [self pendingSourceWithIdentifier:identifier urlOrTileset:configurationURLString.UTF8String tileSize:tileSize];
return self = [super initWithPendingSource:std::move(source)];
}
- (std::unique_ptr<mbgl::style::RasterSource>)pendingSourceWithIdentifier:(NSString *)identifier urlOrTileset:(mbgl::variant<std::string, mbgl::Tileset>)urlOrTileset tileSize:(uint16_t)tileSize {
auto source = std::make_unique<mbgl::style::RasterSource>(identifier.UTF8String,
urlOrTileset,
tileSize);
return source;
}
- (instancetype)initWithIdentifier:(NSString *)identifier tileURLTemplates:(NSArray<NSString *> *)tileURLTemplates options:(nullable NSDictionary<MGLTileSourceOption, id> *)options {
mbgl::Tileset tileSet = MGLTileSetFromTileURLTemplates(tileURLTemplates, options);
uint16_t tileSize = MGLRasterTileSourceRetinaTileSize;
if (NSNumber *tileSizeNumber = options[MGLTileSourceOptionTileSize]) {
if (![tileSizeNumber isKindOfClass:[NSNumber class]]) {
[NSException raise:NSInvalidArgumentException
format:@"MGLTileSourceOptionTileSize must be set to an NSNumber."];
}
tileSize = static_cast<uint16_t>(round(tileSizeNumber.doubleValue));
}
auto source = [self pendingSourceWithIdentifier:identifier urlOrTileset:tileSet tileSize:tileSize];
return self = [super initWithPendingSource:std::move(source)];
}
- (mbgl::style::RasterSource *)rawSource {
return (mbgl::style::RasterSource *)super.rawSource;
}
- (NSURL *)configurationURL {
MGLAssertStyleSourceIsValid();
auto url = self.rawSource->getURL();
return url ? [NSURL URLWithString:@(url->c_str())] : nil;
}
- (NSString *)attributionHTMLString {
MGLAssertStyleSourceIsValid();
auto attribution = self.rawSource->getAttribution();
return attribution ? @(attribution->c_str()) : nil;
}
@end
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