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/*
* Copyright (C) 2011 Google Inc. All rights reserved.
* Copyright (C) 2011, 2012, 2013 Apple 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 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 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 VideoTrack_h
#define VideoTrack_h
#if ENABLE(VIDEO_TRACK)
#include "ExceptionCode.h"
#include "TrackBase.h"
#include "VideoTrackPrivate.h"
#include <wtf/RefCounted.h>
#include <wtf/text/WTFString.h>
namespace WebCore {
class MediaDescription;
class VideoTrack;
class VideoTrackClient {
public:
virtual ~VideoTrackClient() { }
virtual void videoTrackSelectedChanged(VideoTrack*) = 0;
};
class VideoTrack : public TrackBase, public VideoTrackPrivateClient {
public:
static PassRefPtr<VideoTrack> create(VideoTrackClient* client, PassRefPtr<VideoTrackPrivate> trackPrivate)
{
return adoptRef(new VideoTrack(client, trackPrivate));
}
virtual ~VideoTrack();
static const AtomicString& alternativeKeyword();
static const AtomicString& captionsKeyword();
static const AtomicString& mainKeyword();
static const AtomicString& signKeyword();
static const AtomicString& subtitlesKeyword();
static const AtomicString& commentaryKeyword();
virtual const AtomicString& defaultKindKeyword() const override { return emptyAtom; }
bool selected() const { return m_selected; }
virtual void setSelected(const bool);
virtual void clearClient() override { m_client = 0; }
VideoTrackClient* client() const { return m_client; }
size_t inbandTrackIndex();
#if ENABLE(MEDIA_SOURCE)
virtual void setKind(const AtomicString&) override;
virtual void setLanguage(const AtomicString&) override;
#endif
const MediaDescription& description() const;
void setPrivate(PassRefPtr<VideoTrackPrivate>);
protected:
VideoTrack(VideoTrackClient*, PassRefPtr<VideoTrackPrivate> privateTrack);
private:
virtual bool isValidKind(const AtomicString&) const override;
virtual void selectedChanged(VideoTrackPrivate*, bool) override;
virtual void idChanged(TrackPrivateBase*, const AtomicString&) override;
virtual void labelChanged(TrackPrivateBase*, const AtomicString&) override;
virtual void languageChanged(TrackPrivateBase*, const AtomicString&) override;
virtual void willRemove(TrackPrivateBase*) override;
virtual bool enabled() const override { return selected(); }
void updateKindFromPrivate();
bool m_selected;
VideoTrackClient* m_client;
RefPtr<VideoTrackPrivate> m_private;
};
inline VideoTrack* toVideoTrack(TrackBase* track)
{
ASSERT_WITH_SECURITY_IMPLICATION(track->type() == TrackBase::VideoTrack);
return static_cast<VideoTrack*>(track);
}
} // namespace WebCore
#endif
#endif
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