#ifndef TextTrackCue_h
#define TextTrackCue_h
#if ENABLE(VIDEO_TRACK)
#include "EventTarget.h"
#include "HTMLElement.h"
#include <wtf/MediaTime.h>
#include <wtf/NeverDestroyed.h>
#include <wtf/RefCounted.h>
namespace WebCore {
class TextTrack;
class TextTrackCue : public RefCounted<TextTrackCue>, public EventTargetWithInlineData {
public:
static Ref<TextTrackCue> create(ScriptExecutionContext&, double start, double end, const String& content);
static Ref<TextTrackCue> create(ScriptExecutionContext&, const MediaTime& start, const MediaTime& end, const String& content);
static const AtomicString& cueShadowPseudoId()
{
static NeverDestroyed<const AtomicString> cue("cue", AtomicString::ConstructFromLiteral);
return cue;
}
virtual ~TextTrackCue();
TextTrack* track() const;
void setTrack(TextTrack*);
const String& id() const { return m_id; }
void setId(const String&);
MediaTime startMediaTime() const { return m_startTime; }
double startTime() const { return startMediaTime().toDouble(); }
void setStartTime(const MediaTime&);
void setStartTime(double, ExceptionCode&);
MediaTime endMediaTime() const { return m_endTime; }
double endTime() const { return endMediaTime().toDouble(); }
void setEndTime(const MediaTime&);
void setEndTime(double, ExceptionCode&);
bool pauseOnExit() const { return m_pauseOnExit; }
void setPauseOnExit(bool);
int cueIndex();
void invalidateCueIndex();
using EventTarget::dispatchEvent;
bool dispatchEvent(Event&) override;
bool isActive();
virtual void setIsActive(bool);
EventTargetInterface eventTargetInterface() const final { return TextTrackCueEventTargetInterfaceType; }
ScriptExecutionContext* scriptExecutionContext() const final { return &m_scriptExecutionContext; }
virtual bool isOrderedBefore(const TextTrackCue*) const;
virtual bool isPositionedAbove(const TextTrackCue* cue) const { return isOrderedBefore(cue); }
bool hasEquivalentStartTime(const TextTrackCue&) const;
enum CueType {
Data,
Generic,
WebVTT
};
virtual CueType cueType() const = 0;
virtual bool isRenderable() const { return false; }
enum CueMatchRules {
MatchAllFields,
IgnoreDuration,
};
virtual bool isEqual(const TextTrackCue&, CueMatchRules) const;
virtual bool cueContentsMatch(const TextTrackCue&) const;
virtual bool doesExtendCue(const TextTrackCue&) const;
void willChange();
virtual void didChange();
using RefCounted<TextTrackCue>::ref;
using RefCounted<TextTrackCue>::deref;
protected:
TextTrackCue(ScriptExecutionContext&, const MediaTime& start, const MediaTime& end);
Document& ownerDocument() { return downcast<Document>(m_scriptExecutionContext); }
private:
void refEventTarget() final { ref(); }
void derefEventTarget() final { deref(); }
String m_id;
MediaTime m_startTime;
MediaTime m_endTime;
int m_cueIndex;
int m_processingCueChanges;
TextTrack* m_track;
ScriptExecutionContext& m_scriptExecutionContext;
bool m_isActive : 1;
bool m_pauseOnExit : 1;
};
}
#endif
#endif