1 /* 2 * Copyright 2014 Google Inc. All rights reserved. 3 * 4 * Redistribution and use in source and binary forms, with or without 5 * modification, are permitted provided that the following conditions 6 * are met: 7 * 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer 12 * in the documentation and/or other materials provided with the 13 * distribution. 14 * 3. Neither the name of Ericsson nor the names of its contributors 15 * may be used to endorse or promote products derived from this 16 * software without specific prior written permission. 17 * 18 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 19 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 20 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 21 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 22 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 23 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 24 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 25 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 26 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 27 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 28 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 29 */ 30 31 #ifndef MediaStreamCenter_h 32 #define MediaStreamCenter_h 33 34 #include "platform/PlatformExport.h" 35 #include "platform/heap/Handle.h" 36 #include "public/platform/WebMediaStreamCenterClient.h" 37 #include "public/platform/WebVector.h" 38 #include "wtf/OwnPtr.h" 39 #include "wtf/PassRefPtr.h" 40 #include "wtf/text/WTFString.h" 41 42 namespace blink { 43 class WebMediaStream; 44 class WebMediaStreamCenter; 45 class WebMediaStreamTrack; 46 } 47 48 namespace WebCore { 49 50 class AudioSourceProvider; 51 class MediaStreamComponent; 52 class MediaStreamDescriptor; 53 class MediaStreamTrackSourcesRequest; 54 55 class PLATFORM_EXPORT MediaStreamCenter FINAL : public blink::WebMediaStreamCenterClient { 56 WTF_MAKE_NONCOPYABLE(MediaStreamCenter); 57 public: 58 virtual ~MediaStreamCenter(); 59 60 static MediaStreamCenter& instance(); 61 62 bool getMediaStreamTrackSources(PassRefPtrWillBeRawPtr<MediaStreamTrackSourcesRequest>); 63 64 void didCreateMediaStreamTrack(MediaStreamComponent*); 65 void didSetMediaStreamTrackEnabled(MediaStreamComponent*); 66 bool didStopMediaStreamTrack(MediaStreamComponent*); 67 PassOwnPtr<AudioSourceProvider> createWebAudioSourceFromMediaStreamTrack(MediaStreamComponent*); 68 69 void didCreateMediaStream(MediaStreamDescriptor*); 70 void didCreateMediaStreamAndTracks(MediaStreamDescriptor*); 71 bool didAddMediaStreamTrack(MediaStreamDescriptor*, MediaStreamComponent*); 72 bool didRemoveMediaStreamTrack(MediaStreamDescriptor*, MediaStreamComponent*); 73 void didStopLocalMediaStream(MediaStreamDescriptor*); 74 75 // blink::WebMediaStreamCenterClient 76 virtual void stopLocalMediaStream(const blink::WebMediaStream&) OVERRIDE; 77 78 private: 79 MediaStreamCenter(); 80 81 OwnPtr<blink::WebMediaStreamCenter> m_private; 82 }; 83 84 } // namespace WebCore 85 86 #endif // MediaStreamCenter_h 87