1 // Copyright 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_PUBLIC_RENDERER_MEDIA_STREAM_SINK_H_ 6 #define CONTENT_PUBLIC_RENDERER_MEDIA_STREAM_SINK_H_ 7 8 #include "base/compiler_specific.h" 9 #include "content/common/content_export.h" 10 #include "third_party/WebKit/public/platform/WebMediaStreamSource.h" 11 12 namespace content { 13 14 // MediaStreamSink is the base interface for MediaStreamAudioSink and 15 // MediaStreamVideoSink. It allows an implementation to receive notifications 16 // about state changes on a blink::WebMediaStreamSource object or such an 17 // object underlying a blink::WebMediaStreamTrack. 18 class CONTENT_EXPORT MediaStreamSink { 19 public: OnReadyStateChanged(blink::WebMediaStreamSource::ReadyState state)20 virtual void OnReadyStateChanged( 21 blink::WebMediaStreamSource::ReadyState state) {} OnEnabledChanged(bool enabled)22 virtual void OnEnabledChanged(bool enabled) {} 23 24 protected: ~MediaStreamSink()25 virtual ~MediaStreamSink() {} 26 }; 27 28 } // namespace content 29 30 #endif // CONTENT_PUBLIC_RENDERER_MEDIA_STREAM_SINK_H_ 31