LoadableTextTrack.h [plain text]
#ifndef LoadableTextTrack_h
#define LoadableTextTrack_h
#if ENABLE(VIDEO_TRACK)
#include "TextTrack.h"
#include "TextTrackLoader.h"
#include <wtf/PassRefPtr.h>
#include <wtf/Vector.h>
namespace WebCore {
class HTMLTrackElement;
class LoadableTextTrack;
class LoadableTextTrackClient : public TextTrackClient {
public:
virtual ~LoadableTextTrackClient() { }
virtual bool canLoadUrl(LoadableTextTrack*, const KURL&) { return false; }
virtual void loadingCompleted(LoadableTextTrack*, bool ) { }
};
class LoadableTextTrack : public TextTrack, private TextTrackLoaderClient {
public:
static PassRefPtr<LoadableTextTrack> create(HTMLTrackElement* track, const String& kind, const String& label, const String& language, bool isDefault)
{
return adoptRef(new LoadableTextTrack(track, kind, label, language, isDefault));
}
virtual ~LoadableTextTrack();
void scheduleLoad(const KURL&);
virtual void clearClient();
size_t trackElementIndex();
HTMLTrackElement* trackElement() { return m_trackElement; }
private:
virtual bool shouldLoadCues(TextTrackLoader*) { return true; }
virtual void newCuesAvailable(TextTrackLoader*);
virtual void cueLoadingStarted(TextTrackLoader*);
virtual void cueLoadingCompleted(TextTrackLoader*, bool loadingFailed);
LoadableTextTrack(HTMLTrackElement*, const String& kind, const String& label, const String& language, bool isDefault);
void loadTimerFired(Timer<LoadableTextTrack>*);
HTMLTrackElement* m_trackElement;
Timer<LoadableTextTrack> m_loadTimer;
OwnPtr<TextTrackLoader> m_loader;
KURL m_url;
bool m_isDefault;
};
}
#endif
#endif