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#ifndef MBGL_SPRITE_STORE
#define MBGL_SPRITE_STORE
#include <mbgl/sprite/sprite_image.hpp>
#include <mbgl/util/noncopyable.hpp>
#include <map>
#include <memory>
#include <mutex>
namespace mbgl {
class FileSource;
class SpriteStore : private util::noncopyable {
public:
using Sprites = std::map<std::string, std::shared_ptr<const SpriteImage>>;
class Observer {
public:
virtual ~Observer() = default;
virtual void onSpriteLoaded() {};
virtual void onSpriteError(std::exception_ptr) {};
};
SpriteStore(float pixelRatio);
~SpriteStore();
void load(const std::string& url, FileSource&);
bool isLoaded() const {
return loaded;
}
void dumpDebugLogs() const;
void setObserver(Observer* observer);
// Adds/replaces a Sprite image.
void setSprite(const std::string&, std::shared_ptr<const SpriteImage> = nullptr);
// Adds/replaces mutliple Sprite images.
void setSprites(const Sprites& sprites);
// Removes a Sprite.
void removeSprite(const std::string&);
// Obtains a Sprite image.
std::shared_ptr<const SpriteImage> getSprite(const std::string&);
// Returns Sprite images that changed since the last invocation of this function.
Sprites getDirty();
const float pixelRatio;
private:
void _setSprite(const std::string&, const std::shared_ptr<const SpriteImage>& = nullptr);
void emitSpriteLoadedIfComplete();
struct Loader;
std::unique_ptr<Loader> loader;
bool loaded = false;
Observer nullObserver;
Observer* observer = &nullObserver;
// Lock for sprites and dirty maps.
std::mutex mutex;
// Stores all current sprites.
Sprites sprites;
// Stores all Sprite IDs that changed since the last invocation.
Sprites dirty;
};
} // namespace mbgl
#endif
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