#ifndef MediaSession_h
#define MediaSession_h
#if ENABLE(MEDIA_SESSION)
#include "MediaRemoteControls.h"
#include "MediaSessionMetadata.h"
namespace WebCore {
class Dictionary;
class Document;
class HTMLMediaElement;
class MediaSession final : public RefCounted<MediaSession> {
public:
enum class State {
Idle,
Active,
Interrupted
};
static Ref<MediaSession> create(ScriptExecutionContext& context, const String& kind)
{
return adoptRef(*new MediaSession(context, kind));
}
explicit MediaSession(Document&);
MediaSession(ScriptExecutionContext&, const String&);
~MediaSession();
String kind() const;
MediaRemoteControls* controls(bool& isNull);
State currentState() const { return m_currentState; }
bool hasActiveMediaElements() const;
void setMetadata(const Dictionary&);
void releaseSession();
bool invoke();
void togglePlayback();
void skipToNextTrack();
void skipToPreviousTrack();
private:
friend class HTMLMediaElement;
enum class Kind {
Default,
Content,
Transient,
TransientSolo,
Ambient
};
static Kind parseKind(const String&);
Kind kindEnum() const { return m_kind; }
void addMediaElement(HTMLMediaElement&);
void removeMediaElement(HTMLMediaElement&);
void changeActiveMediaElements(std::function<void(void)>);
void addActiveMediaElement(HTMLMediaElement&);
bool isMediaElementActive(HTMLMediaElement&);
void releaseInternal();
State m_currentState { State::Idle };
HashSet<HTMLMediaElement*> m_participatingElements;
HashSet<HTMLMediaElement*> m_activeParticipatingElements;
HashSet<HTMLMediaElement*>* m_iteratedActiveParticipatingElements { nullptr };
Document& m_document;
const Kind m_kind { Kind::Default };
RefPtr<MediaRemoteControls> m_controls;
MediaSessionMetadata m_metadata;
};
}
#endif
#endif