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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 AudioTrack_h
#define AudioTrack_h
#include "PlatformExportMacros.h"
#if ENABLE(VIDEO_TRACK)
#include "AudioTrackPrivate.h"
#include "ExceptionCode.h"
#include "TrackBase.h"
#include <wtf/RefCounted.h>
#include <wtf/text/WTFString.h>
namespace WebCore {
class AudioTrack;
class AudioTrackClient {
public:
virtual ~AudioTrackClient() { }
virtual void audioTrackEnabledChanged(AudioTrack*) = 0;
};
class AudioTrack final : public TrackBase, public AudioTrackPrivateClient {
public:
static Ref<AudioTrack> create(AudioTrackClient* client, PassRefPtr<AudioTrackPrivate> trackPrivate)
{
return adoptRef(*new AudioTrack(client, trackPrivate));
}
virtual ~AudioTrack();
static const AtomicString& alternativeKeyword();
static const AtomicString& descriptionKeyword();
static const AtomicString& mainKeyword();
static const AtomicString& mainDescKeyword();
static const AtomicString& translationKeyword();
static const AtomicString& commentaryKeyword();
virtual const AtomicString& defaultKindKeyword() const override { return emptyAtom; }
virtual bool enabled() const override { return m_enabled; }
void setEnabled(const bool);
virtual void clearClient() override { m_client = nullptr; }
AudioTrackClient* client() const { return m_client; }
size_t inbandTrackIndex();
void setPrivate(PassRefPtr<AudioTrackPrivate>);
protected:
AudioTrack(AudioTrackClient*, PassRefPtr<AudioTrackPrivate>);
private:
virtual bool isValidKind(const AtomicString&) const override;
// AudioTrackPrivateClient
void enabledChanged(AudioTrackPrivate*, bool) override;
// TrackPrivateBaseClient
void idChanged(TrackPrivateBase*, const AtomicString&) override;
void labelChanged(TrackPrivateBase*, const AtomicString&) override;
void languageChanged(TrackPrivateBase*, const AtomicString&) override;
void willRemove(TrackPrivateBase*) override;
void updateKindFromPrivate();
bool m_enabled;
AudioTrackClient* m_client;
RefPtr<AudioTrackPrivate> m_private;
};
inline AudioTrack* toAudioTrack(TrackBase* track)
{
ASSERT_WITH_SECURITY_IMPLICATION(track->type() == TrackBase::AudioTrack);
return static_cast<AudioTrack*>(track);
}
} // namespace WebCore
#endif
#endif
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