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/*
* Copyright (C) 2013 Nokia Corporation and/or its subsidiary(-ies).
*
* 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 THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "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 THE COPYRIGHT
* OWNER 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 MediaStreamTrackPrivate_h
#define MediaStreamTrackPrivate_h
#if ENABLE(MEDIA_STREAM)
#include "MediaStreamSource.h"
#include <wtf/PassRefPtr.h>
#include <wtf/RefCounted.h>
#include <wtf/text/AtomicString.h>
namespace WebCore {
class MediaSourceStates;
class MediaStreamSourceCapabilities;
class MediaStreamTrackPrivateClient {
public:
virtual ~MediaStreamTrackPrivateClient() { }
virtual void trackReadyStateChanged() = 0;
virtual void trackMutedChanged() = 0;
virtual void trackEnabledChanged() = 0;
};
class MediaStreamTrackPrivate : public RefCounted<MediaStreamTrackPrivate>, public MediaStreamSource::Observer {
public:
static PassRefPtr<MediaStreamTrackPrivate> create(PassRefPtr<MediaStreamSource>);
virtual ~MediaStreamTrackPrivate();
const String& id() const;
const String& label() const;
bool ended() const;
bool muted() const;
void setMuted(bool);
bool readonly() const;
bool remote() const;
bool enabled() const { return m_enabled; }
void setEnabled(bool);
void setReadyState(MediaStreamSource::ReadyState);
MediaStreamSource::ReadyState readyState() const;
RefPtr<MediaStreamTrackPrivate> clone();
MediaStreamSource* source() const { return m_source.get(); }
void setSource(PassRefPtr<MediaStreamSource>);
enum StopBehavior { StopTrackAndStopSource, StopTrackOnly };
void stop(StopBehavior);
bool stopped() const { return m_stopped; }
void setClient(MediaStreamTrackPrivateClient* client) { m_client = client; }
MediaStreamSource::Type type() const;
const MediaStreamSourceStates& states() const;
RefPtr<MediaStreamSourceCapabilities> capabilities() const;
RefPtr<MediaConstraints> constraints() const;
void applyConstraints(PassRefPtr<MediaConstraints>);
void configureTrackRendering();
protected:
explicit MediaStreamTrackPrivate(const MediaStreamTrackPrivate&);
MediaStreamTrackPrivate(PassRefPtr<MediaStreamSource>);
private:
MediaStreamTrackPrivateClient* client() const { return m_client; }
// MediaStreamSourceObserver
virtual void sourceReadyStateChanged() override final;
virtual void sourceMutedChanged() override final;
virtual void sourceEnabledChanged() override final;
virtual bool observerIsEnabled() override final;
RefPtr<MediaStreamSource> m_source;
MediaStreamTrackPrivateClient* m_client;
RefPtr<MediaConstraints> m_constraints;
MediaStreamSource::ReadyState m_readyState;
mutable String m_id;
bool m_muted;
bool m_enabled;
bool m_stopped;
bool m_ignoreMutations;
};
} // namespace WebCore
#endif // ENABLE(MEDIA_STREAM)
#endif // MediaStreamTrackPrivate_h
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