#pragma once
#if ENABLE(VIDEO_TRACK)
#include "EventListener.h"
#include "EventTarget.h"
#include "GenericEventQueue.h"
#include "Timer.h"
#include <wtf/RefCounted.h>
#include <wtf/Vector.h>
namespace WebCore {
class HTMLMediaElement;
class Element;
class TrackBase;
class TrackListBase : public RefCounted<TrackListBase>, public EventTargetWithInlineData {
public:
virtual ~TrackListBase();
virtual unsigned length() const;
virtual bool contains(TrackBase&) const;
virtual void remove(TrackBase&, bool scheduleEvent = true);
EventTargetInterface eventTargetInterface() const override = 0;
using RefCounted<TrackListBase>::ref;
using RefCounted<TrackListBase>::deref;
ScriptExecutionContext* scriptExecutionContext() const final { return m_context; }
virtual void clearElement();
Element* element() const;
HTMLMediaElement* mediaElement() const { return m_element; }
void scheduleChangeEvent();
bool isAnyTrackEnabled() const;
protected:
TrackListBase(HTMLMediaElement*, ScriptExecutionContext*);
void scheduleAddTrackEvent(Ref<TrackBase>&&);
void scheduleRemoveTrackEvent(Ref<TrackBase>&&);
Vector<RefPtr<TrackBase>> m_inbandTracks;
private:
void scheduleTrackEvent(const AtomicString& eventName, Ref<TrackBase>&&);
void refEventTarget() final { ref(); }
void derefEventTarget() final { deref(); }
ScriptExecutionContext* m_context;
HTMLMediaElement* m_element;
GenericEventQueue m_asyncEventQueue;
};
}
#endif // ENABLE(VIDEO_TRACK)