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| 1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. |
| 2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
| 3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
| 4 | 4 |
| 5 #ifndef CONTENT_RENDERER_MEDIA_AUDIO_MESSAGE_FILTER_H_ | 5 #ifndef CONTENT_RENDERER_MEDIA_AUDIO_MESSAGE_FILTER_H_ |
| 6 #define CONTENT_RENDERER_MEDIA_AUDIO_MESSAGE_FILTER_H_ | 6 #define CONTENT_RENDERER_MEDIA_AUDIO_MESSAGE_FILTER_H_ |
| 7 | 7 |
| 8 #include "base/gtest_prod_util.h" | 8 #include "base/gtest_prod_util.h" |
| 9 #include "base/id_map.h" | 9 #include "base/id_map.h" |
| 10 #include "base/memory/scoped_ptr.h" | 10 #include "base/memory/scoped_ptr.h" |
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| 62 FRIEND_TEST_ALL_PREFIXES(AudioMessageFilterTest, Delegates); | 62 FRIEND_TEST_ALL_PREFIXES(AudioMessageFilterTest, Delegates); |
| 63 | 63 |
| 64 // Implementation of media::AudioOutputIPC which augments IPC calls with | 64 // Implementation of media::AudioOutputIPC which augments IPC calls with |
| 65 // stream_id and the source render_view_id. | 65 // stream_id and the source render_view_id. |
| 66 class AudioOutputIPCImpl; | 66 class AudioOutputIPCImpl; |
| 67 | 67 |
| 68 // Sends an IPC message using |sender_|. | 68 // Sends an IPC message using |sender_|. |
| 69 void Send(IPC::Message* message); | 69 void Send(IPC::Message* message); |
| 70 | 70 |
| 71 // IPC::MessageFilter override. Called on |io_message_loop|. | 71 // IPC::MessageFilter override. Called on |io_message_loop|. |
| 72 virtual bool OnMessageReceived(const IPC::Message& message) OVERRIDE; | 72 virtual bool OnMessageReceived(const IPC::Message& message) override; |
| 73 virtual void OnFilterAdded(IPC::Sender* sender) OVERRIDE; | 73 virtual void OnFilterAdded(IPC::Sender* sender) override; |
| 74 virtual void OnFilterRemoved() OVERRIDE; | 74 virtual void OnFilterRemoved() override; |
| 75 virtual void OnChannelClosing() OVERRIDE; | 75 virtual void OnChannelClosing() override; |
| 76 | 76 |
| 77 // Received when browser process has created an audio output stream. | 77 // Received when browser process has created an audio output stream. |
| 78 void OnStreamCreated(int stream_id, base::SharedMemoryHandle handle, | 78 void OnStreamCreated(int stream_id, base::SharedMemoryHandle handle, |
| 79 base::SyncSocket::TransitDescriptor socket_descriptor, | 79 base::SyncSocket::TransitDescriptor socket_descriptor, |
| 80 uint32 length); | 80 uint32 length); |
| 81 | 81 |
| 82 // Received when internal state of browser process' audio output device has | 82 // Received when internal state of browser process' audio output device has |
| 83 // changed. | 83 // changed. |
| 84 void OnStreamStateChanged(int stream_id, | 84 void OnStreamStateChanged(int stream_id, |
| 85 media::AudioOutputIPCDelegate::State state); | 85 media::AudioOutputIPCDelegate::State state); |
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| 105 | 105 |
| 106 // The singleton instance for this filter. | 106 // The singleton instance for this filter. |
| 107 static AudioMessageFilter* g_filter; | 107 static AudioMessageFilter* g_filter; |
| 108 | 108 |
| 109 DISALLOW_COPY_AND_ASSIGN(AudioMessageFilter); | 109 DISALLOW_COPY_AND_ASSIGN(AudioMessageFilter); |
| 110 }; | 110 }; |
| 111 | 111 |
| 112 } // namespace content | 112 } // namespace content |
| 113 | 113 |
| 114 #endif // CONTENT_RENDERER_MEDIA_AUDIO_MESSAGE_FILTER_H_ | 114 #endif // CONTENT_RENDERER_MEDIA_AUDIO_MESSAGE_FILTER_H_ |
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