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#ifndef LLMR_STYLE_STYLE
#define LLMR_STYLE_STYLE
#include <cstdint>
#include <llmr/util/time.hpp>
#include <llmr/util/uv.hpp>
#include <map>
#include <unordered_map>
#include <vector>
#include <set>
#include <memory>
namespace llmr {
class Sprite;
class Source;
class StyleLayer;
typedef std::vector<std::shared_ptr<StyleLayer>> StyleLayerGroup;
class Style {
public:
struct exception : std::runtime_error { exception(const char *msg) : std::runtime_error(msg) {} };
public:
Style();
void reset();
void loadJSON(const uint8_t *const data);
size_t layerCount() const;
void cascade(float z);
bool needsTransition() const;
void updateTransitions(timestamp now);
void cancelTransitions();
void setDefaultTransitionDuration(uint64_t duration_milliseconds = 0);
void updateSources();
const std::set<std::shared_ptr<Source>> getActiveSources() const;
const std::vector<std::string> &getAppliedClasses() const;
void toggleClass(const std::string &name);
public:
std::shared_ptr<Sprite> sprite;
std::shared_ptr<StyleLayerGroup> layers;
std::shared_ptr<StyleLayer> background;
std::vector<std::string> appliedClasses;
private:
void updateSources(const std::shared_ptr<StyleLayerGroup> &layers);
void cascade(const std::shared_ptr<StyleLayerGroup> &layers, float z);
private:
std::set<std::shared_ptr<Source>> activeSources;
uint64_t default_transition_duration = 0;
bool initial_render_complete = false;
mutable uv::rwlock mtx;
};
}
#endif
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