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/*
* Copyright (C) 2011 Google Inc. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE COMPUTER, INC. OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
* OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef LoadableTextTrack_h
#define LoadableTextTrack_h
#if ENABLE(VIDEO_TRACK)
#include "TextTrack.h"
#include "TextTrackLoader.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 /* loadingFailed */) { }
};
class LoadableTextTrack : public TextTrack, private TextTrackLoaderClient {
public:
static PassRefPtr<LoadableTextTrack> create(HTMLTrackElement* track, const String& kind, const String& label, const String& language)
{
return adoptRef(new LoadableTextTrack(track, kind, label, language));
}
virtual ~LoadableTextTrack();
void scheduleLoad(const KURL&);
virtual void clearClient();
size_t trackElementIndex();
HTMLTrackElement* trackElement() { return m_trackElement; }
void setTrackElement(HTMLTrackElement*);
virtual Element* element() OVERRIDE;
virtual bool isDefault() const OVERRIDE { return m_isDefault; }
virtual void setIsDefault(bool isDefault) OVERRIDE { m_isDefault = isDefault; }
private:
// TextTrackLoaderClient
virtual bool shouldLoadCues(TextTrackLoader*) { return true; }
virtual void newCuesAvailable(TextTrackLoader*);
virtual void cueLoadingStarted(TextTrackLoader*);
virtual void cueLoadingCompleted(TextTrackLoader*, bool loadingFailed);
#if ENABLE(WEBVTT_REGIONS)
virtual void newRegionsAvailable(TextTrackLoader*);
#endif
LoadableTextTrack(HTMLTrackElement*, const String& kind, const String& label, const String& language);
void loadTimerFired(Timer<LoadableTextTrack>*);
HTMLTrackElement* m_trackElement;
Timer<LoadableTextTrack> m_loadTimer;
OwnPtr<TextTrackLoader> m_loader;
KURL m_url;
bool m_isDefault;
};
} // namespace WebCore
#endif
#endif
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