/*
* Copyright (C) 2012 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:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * 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.
* * Neither the name of Google Inc. nor the names of its
* contributors may be used to endorse or promote products derived from
* this software without specific prior written permission.
*
* 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
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef WebMediaStreamCenter_h
#define WebMediaStreamCenter_h
#include "WebVector.h"
namespace blink {
class WebAudioSourceProvider;
class WebMediaStream;
class WebMediaStreamTrack;
class WebMediaStreamTrackSourcesRequest;
class WebSourceInfo;
class WebString;
class WebMediaStreamCenter {
public:
virtual ~WebMediaStreamCenter() { }
virtual bool getMediaStreamTrackSources(const WebMediaStreamTrackSourcesRequest&)= 0;
// Stream functionality.
virtual void didCreateMediaStream(WebMediaStream&) = 0;
virtual bool didAddMediaStreamTrack(const WebMediaStream&, const WebMediaStreamTrack&) = 0;
virtual bool didRemoveMediaStreamTrack(const WebMediaStream&, const WebMediaStreamTrack&) = 0;
virtual void didStopLocalMediaStream(const WebMediaStream&) = 0;
// Track functionality.
virtual void didCreateMediaStreamTrack(const WebMediaStreamTrack&) { }
virtual void didEnableMediaStreamTrack(const WebMediaStreamTrack&) { }
virtual void didDisableMediaStreamTrack(const WebMediaStreamTrack&) { }
virtual bool didStopMediaStreamTrack(const WebMediaStreamTrack&) { return false; }
// Caller must take the ownership of the returned |WebAudioSourceProvider| object.
virtual WebAudioSourceProvider* createWebAudioSourceFromMediaStreamTrack(const WebMediaStreamTrack&) { return 0; }
};
} // namespace blink
#endif // WebMediaStreamCenter_h