1 // Copyright (c) 2013 The Chromium Authors. All rights reserved. 2 // Use of this source code is governed by a BSD-style license that can be 3 // found in the LICENSE file. 4 5 #ifndef CONTENT_RENDERER_MEDIA_MEDIA_STREAM_SOURCE_OBSERVER_H_ 6 #define CONTENT_RENDERER_MEDIA_MEDIA_STREAM_SOURCE_OBSERVER_H_ 7 8 #include "base/compiler_specific.h" 9 #include "base/memory/ref_counted.h" 10 #include "base/threading/non_thread_safe.h" 11 #include "content/common/content_export.h" 12 #include "third_party/libjingle/source/talk/app/webrtc/mediastreaminterface.h" 13 #include "third_party/WebKit/public/platform/WebMediaStreamSource.h" 14 15 namespace content { 16 17 class MediaStreamSourceExtraData; 18 19 // MediaStreamSourceObserver listens to events on MediaSourceInterface and 20 // notify WebKit. It will be owned by MediaStreamSourceExtraData. 21 class CONTENT_EXPORT MediaStreamSourceObserver 22 : NON_EXPORTED_BASE(public webrtc::ObserverInterface), 23 NON_EXPORTED_BASE(public base::NonThreadSafe) { 24 public: 25 MediaStreamSourceObserver(webrtc::MediaSourceInterface* webrtc_source, 26 MediaStreamSourceExtraData* extra_data); 27 virtual ~MediaStreamSourceObserver(); 28 29 private: 30 // webrtc::ObserverInterface implementation. 31 virtual void OnChanged() OVERRIDE; 32 33 webrtc::MediaSourceInterface::SourceState state_; 34 scoped_refptr<webrtc::MediaSourceInterface> webrtc_source_; 35 MediaStreamSourceExtraData* extra_data_; 36 37 DISALLOW_COPY_AND_ASSIGN(MediaStreamSourceObserver); 38 }; 39 40 } // namespace content 41 42 #endif // CONTENT_RENDERER_MEDIA_MEDIA_STREAM_SOURCE_OBSERVER_H_ 43
