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1 // Copyright 2013 The Chromium Authors. All rights reserved. | 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 | 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 CHROME_BROWSER_EXTENSIONS_API_WEBRTC_AUDIO_PRIVATE_WEBRTC_AUDIO_PRIVATE_
API_H_ | 5 #ifndef CHROME_BROWSER_EXTENSIONS_API_WEBRTC_AUDIO_PRIVATE_WEBRTC_AUDIO_PRIVATE_
API_H_ |
6 #define CHROME_BROWSER_EXTENSIONS_API_WEBRTC_AUDIO_PRIVATE_WEBRTC_AUDIO_PRIVATE_
API_H_ | 6 #define CHROME_BROWSER_EXTENSIONS_API_WEBRTC_AUDIO_PRIVATE_WEBRTC_AUDIO_PRIVATE_
API_H_ |
7 | 7 |
8 #include "base/memory/ref_counted.h" | 8 #include "base/memory/ref_counted.h" |
9 #include "base/system_monitor/system_monitor.h" | 9 #include "base/system_monitor/system_monitor.h" |
10 #include "chrome/browser/extensions/chrome_extension_function.h" | 10 #include "chrome/browser/extensions/chrome_extension_function.h" |
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22 | 22 |
23 // Listens for device changes and forwards as an extension event. | 23 // Listens for device changes and forwards as an extension event. |
24 class WebrtcAudioPrivateEventService | 24 class WebrtcAudioPrivateEventService |
25 : public BrowserContextKeyedAPI, | 25 : public BrowserContextKeyedAPI, |
26 public base::SystemMonitor::DevicesChangedObserver { | 26 public base::SystemMonitor::DevicesChangedObserver { |
27 public: | 27 public: |
28 explicit WebrtcAudioPrivateEventService(content::BrowserContext* context); | 28 explicit WebrtcAudioPrivateEventService(content::BrowserContext* context); |
29 virtual ~WebrtcAudioPrivateEventService(); | 29 virtual ~WebrtcAudioPrivateEventService(); |
30 | 30 |
31 // BrowserContextKeyedAPI implementation. | 31 // BrowserContextKeyedAPI implementation. |
32 virtual void Shutdown() OVERRIDE; | 32 virtual void Shutdown() override; |
33 static BrowserContextKeyedAPIFactory<WebrtcAudioPrivateEventService>* | 33 static BrowserContextKeyedAPIFactory<WebrtcAudioPrivateEventService>* |
34 GetFactoryInstance(); | 34 GetFactoryInstance(); |
35 static const char* service_name(); | 35 static const char* service_name(); |
36 | 36 |
37 // base::SystemMonitor::DevicesChangedObserver implementation. | 37 // base::SystemMonitor::DevicesChangedObserver implementation. |
38 virtual void OnDevicesChanged( | 38 virtual void OnDevicesChanged( |
39 base::SystemMonitor::DeviceType device_type) OVERRIDE; | 39 base::SystemMonitor::DeviceType device_type) override; |
40 | 40 |
41 private: | 41 private: |
42 friend class BrowserContextKeyedAPIFactory<WebrtcAudioPrivateEventService>; | 42 friend class BrowserContextKeyedAPIFactory<WebrtcAudioPrivateEventService>; |
43 | 43 |
44 void SignalEvent(); | 44 void SignalEvent(); |
45 | 45 |
46 content::BrowserContext* browser_context_; | 46 content::BrowserContext* browser_context_; |
47 }; | 47 }; |
48 | 48 |
49 // Common base for WebrtcAudioPrivate functions, that provides a | 49 // Common base for WebrtcAudioPrivate functions, that provides a |
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110 protected: | 110 protected: |
111 virtual ~WebrtcAudioPrivateGetSinksFunction() {} | 111 virtual ~WebrtcAudioPrivateGetSinksFunction() {} |
112 | 112 |
113 private: | 113 private: |
114 DECLARE_EXTENSION_FUNCTION("webrtcAudioPrivate.getSinks", | 114 DECLARE_EXTENSION_FUNCTION("webrtcAudioPrivate.getSinks", |
115 WEBRTC_AUDIO_PRIVATE_GET_SINKS); | 115 WEBRTC_AUDIO_PRIVATE_GET_SINKS); |
116 | 116 |
117 // Sequence of events is that we query the list of sinks on the | 117 // Sequence of events is that we query the list of sinks on the |
118 // AudioManager's thread, then calculate HMACs on the IO thread, | 118 // AudioManager's thread, then calculate HMACs on the IO thread, |
119 // then finish on the UI thread. | 119 // then finish on the UI thread. |
120 virtual bool RunAsync() OVERRIDE; | 120 virtual bool RunAsync() override; |
121 void DoQuery(); | 121 void DoQuery(); |
122 virtual void OnOutputDeviceNames( | 122 virtual void OnOutputDeviceNames( |
123 scoped_ptr<media::AudioDeviceNames> raw_ids) OVERRIDE; | 123 scoped_ptr<media::AudioDeviceNames> raw_ids) override; |
124 void DoneOnUIThread(); | 124 void DoneOnUIThread(); |
125 }; | 125 }; |
126 | 126 |
127 class WebrtcAudioPrivateGetActiveSinkFunction | 127 class WebrtcAudioPrivateGetActiveSinkFunction |
128 : public WebrtcAudioPrivateFunction { | 128 : public WebrtcAudioPrivateFunction { |
129 protected: | 129 protected: |
130 virtual ~WebrtcAudioPrivateGetActiveSinkFunction() {} | 130 virtual ~WebrtcAudioPrivateGetActiveSinkFunction() {} |
131 | 131 |
132 private: | 132 private: |
133 DECLARE_EXTENSION_FUNCTION("webrtcAudioPrivate.getActiveSink", | 133 DECLARE_EXTENSION_FUNCTION("webrtcAudioPrivate.getActiveSink", |
134 WEBRTC_AUDIO_PRIVATE_GET_ACTIVE_SINK); | 134 WEBRTC_AUDIO_PRIVATE_GET_ACTIVE_SINK); |
135 | 135 |
136 virtual bool RunAsync() OVERRIDE; | 136 virtual bool RunAsync() override; |
137 virtual void OnControllerList( | 137 virtual void OnControllerList( |
138 const content::RenderViewHost::AudioOutputControllerList& | 138 const content::RenderViewHost::AudioOutputControllerList& |
139 controllers) OVERRIDE; | 139 controllers) override; |
140 virtual void OnHMACCalculated(const std::string& hmac) OVERRIDE; | 140 virtual void OnHMACCalculated(const std::string& hmac) override; |
141 }; | 141 }; |
142 | 142 |
143 class WebrtcAudioPrivateSetActiveSinkFunction | 143 class WebrtcAudioPrivateSetActiveSinkFunction |
144 : public WebrtcAudioPrivateFunction { | 144 : public WebrtcAudioPrivateFunction { |
145 public: | 145 public: |
146 WebrtcAudioPrivateSetActiveSinkFunction(); | 146 WebrtcAudioPrivateSetActiveSinkFunction(); |
147 | 147 |
148 protected: | 148 protected: |
149 virtual ~WebrtcAudioPrivateSetActiveSinkFunction(); | 149 virtual ~WebrtcAudioPrivateSetActiveSinkFunction(); |
150 | 150 |
151 private: | 151 private: |
152 DECLARE_EXTENSION_FUNCTION("webrtcAudioPrivate.setActiveSink", | 152 DECLARE_EXTENSION_FUNCTION("webrtcAudioPrivate.setActiveSink", |
153 WEBRTC_AUDIO_PRIVATE_SET_ACTIVE_SINK); | 153 WEBRTC_AUDIO_PRIVATE_SET_ACTIVE_SINK); |
154 | 154 |
155 virtual bool RunAsync() OVERRIDE; | 155 virtual bool RunAsync() override; |
156 virtual void OnControllerList( | 156 virtual void OnControllerList( |
157 const content::RenderViewHost::AudioOutputControllerList& | 157 const content::RenderViewHost::AudioOutputControllerList& |
158 controllers) OVERRIDE; | 158 controllers) override; |
159 virtual void OnOutputDeviceNames( | 159 virtual void OnOutputDeviceNames( |
160 scoped_ptr<media::AudioDeviceNames> device_names) OVERRIDE; | 160 scoped_ptr<media::AudioDeviceNames> device_names) override; |
161 void SwitchDone(); | 161 void SwitchDone(); |
162 void DoneOnUIThread(); | 162 void DoneOnUIThread(); |
163 | 163 |
164 int tab_id_; | 164 int tab_id_; |
165 std::string sink_id_; | 165 std::string sink_id_; |
166 | 166 |
167 // Filled in by OnControllerList. | 167 // Filled in by OnControllerList. |
168 content::RenderViewHost::AudioOutputControllerList controllers_; | 168 content::RenderViewHost::AudioOutputControllerList controllers_; |
169 | 169 |
170 // Number of sink IDs we are still waiting for. Can become greater | 170 // Number of sink IDs we are still waiting for. Can become greater |
171 // than 0 in OnControllerList, decreases on every OnSinkId call. | 171 // than 0 in OnControllerList, decreases on every OnSinkId call. |
172 size_t num_remaining_sink_ids_; | 172 size_t num_remaining_sink_ids_; |
173 }; | 173 }; |
174 | 174 |
175 class WebrtcAudioPrivateGetAssociatedSinkFunction | 175 class WebrtcAudioPrivateGetAssociatedSinkFunction |
176 : public WebrtcAudioPrivateFunction { | 176 : public WebrtcAudioPrivateFunction { |
177 public: | 177 public: |
178 WebrtcAudioPrivateGetAssociatedSinkFunction(); | 178 WebrtcAudioPrivateGetAssociatedSinkFunction(); |
179 | 179 |
180 protected: | 180 protected: |
181 virtual ~WebrtcAudioPrivateGetAssociatedSinkFunction(); | 181 virtual ~WebrtcAudioPrivateGetAssociatedSinkFunction(); |
182 | 182 |
183 private: | 183 private: |
184 DECLARE_EXTENSION_FUNCTION("webrtcAudioPrivate.getAssociatedSink", | 184 DECLARE_EXTENSION_FUNCTION("webrtcAudioPrivate.getAssociatedSink", |
185 WEBRTC_AUDIO_PRIVATE_GET_ASSOCIATED_SINK); | 185 WEBRTC_AUDIO_PRIVATE_GET_ASSOCIATED_SINK); |
186 | 186 |
187 virtual bool RunAsync() OVERRIDE; | 187 virtual bool RunAsync() override; |
188 | 188 |
189 // This implementation is slightly complicated because of different | 189 // This implementation is slightly complicated because of different |
190 // thread requirements for the various functions we need to invoke. | 190 // thread requirements for the various functions we need to invoke. |
191 // | 191 // |
192 // Each worker function will post a task to the appropriate thread | 192 // Each worker function will post a task to the appropriate thread |
193 // for the next one. | 193 // for the next one. |
194 // | 194 // |
195 // The sequence of events is: | 195 // The sequence of events is: |
196 // 1. Get the list of source devices on the device thread. | 196 // 1. Get the list of source devices on the device thread. |
197 // 2. Given a source ID for an origin and that security origin, find | 197 // 2. Given a source ID for an origin and that security origin, find |
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208 void GetDevicesOnDeviceThread(); | 208 void GetDevicesOnDeviceThread(); |
209 | 209 |
210 // Takes the parameters of the function, retrieves the raw source | 210 // Takes the parameters of the function, retrieves the raw source |
211 // device ID, or the empty string if none. | 211 // device ID, or the empty string if none. |
212 void GetRawSourceIDOnIOThread(); | 212 void GetRawSourceIDOnIOThread(); |
213 | 213 |
214 // Gets the raw sink ID for a raw source ID. Sends it to |CalculateHMAC|. | 214 // Gets the raw sink ID for a raw source ID. Sends it to |CalculateHMAC|. |
215 void GetAssociatedSinkOnDeviceThread(const std::string& raw_source_id); | 215 void GetAssociatedSinkOnDeviceThread(const std::string& raw_source_id); |
216 | 216 |
217 // Receives the associated sink ID after its HMAC is calculated. | 217 // Receives the associated sink ID after its HMAC is calculated. |
218 virtual void OnHMACCalculated(const std::string& hmac) OVERRIDE; | 218 virtual void OnHMACCalculated(const std::string& hmac) override; |
219 | 219 |
220 // Accessed from UI thread and device thread, but only on one at a | 220 // Accessed from UI thread and device thread, but only on one at a |
221 // time, no locking needed. | 221 // time, no locking needed. |
222 scoped_ptr<api::webrtc_audio_private::GetAssociatedSink::Params> params_; | 222 scoped_ptr<api::webrtc_audio_private::GetAssociatedSink::Params> params_; |
223 | 223 |
224 // Audio sources (input devices). Filled in by DoWorkOnDeviceThread. | 224 // Audio sources (input devices). Filled in by DoWorkOnDeviceThread. |
225 media::AudioDeviceNames source_devices_; | 225 media::AudioDeviceNames source_devices_; |
226 }; | 226 }; |
227 | 227 |
228 } // namespace extensions | 228 } // namespace extensions |
229 | 229 |
230 #endif // CHROME_BROWSER_EXTENSIONS_API_WEBRTC_AUDIO_PRIVATE_WEBRTC_AUDIO_PRIVA
TE_API_H_ | 230 #endif // CHROME_BROWSER_EXTENSIONS_API_WEBRTC_AUDIO_PRIVATE_WEBRTC_AUDIO_PRIVA
TE_API_H_ |
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