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#import "MGLSource_Private.h"
#import "MGLStyle_Private.h"
#include <mbgl/style/style.hpp>
#include <mbgl/style/source.hpp>
@interface MGLSource ()
// Even though this class is abstract, MGLStyle uses it to represent some
// special internal source types like mbgl::AnnotationSource.
@property (nonatomic, readonly) mbgl::style::Source *rawSource;
@property (nonatomic, readonly, weak) MGLStyle *style;
@end
@implementation MGLSource {
std::unique_ptr<mbgl::style::Source> _pendingSource;
}
- (instancetype)initWithIdentifier:(NSString *)identifier
{
if (self = [super init]) {
_identifier = identifier;
}
return self;
}
- (instancetype)initWithRawSource:(mbgl::style::Source *)rawSource {
NSString *identifier = @(rawSource->getID().c_str());
if (self = [self initWithIdentifier:identifier]) {
_rawSource = rawSource;
_rawSource->peer = SourceWrapper { self };
}
return self;
}
- (instancetype)initWithPendingSource:(std::unique_ptr<mbgl::style::Source>)pendingSource {
if (self = [self initWithRawSource:pendingSource.get()]) {
_pendingSource = std::move(pendingSource);
}
return self;
}
- (void)addToStyle:(MGLStyle *)style {
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, style];
}
_style = style;
style.rawStyle->addSource(std::move(_pendingSource));
}
- (void)removeFromStyle:(MGLStyle *)style {
if (self.rawSource == style.rawStyle->getSource(self.identifier.UTF8String)) {
_pendingSource = style.rawStyle->removeSource(self.identifier.UTF8String);
_style = nil;
}
}
- (NSString *)description {
return [NSString stringWithFormat:@"<%@: %p; identifier = %@>",
NSStringFromClass([self class]), (void *)self, self.identifier];
}
@end
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