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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 <stddef.h> | 8 #include <stddef.h> |
9 | 9 |
10 #include <string> | 10 #include <string> |
11 | 11 |
12 #include "base/macros.h" | 12 #include "base/macros.h" |
13 #include "base/memory/ref_counted.h" | 13 #include "base/memory/ref_counted.h" |
14 #include "base/system_monitor/system_monitor.h" | 14 #include "base/system_monitor/system_monitor.h" |
15 #include "chrome/browser/extensions/chrome_extension_function.h" | 15 #include "chrome/browser/extensions/chrome_extension_function.h" |
16 #include "chrome/common/extensions/api/webrtc_audio_private.h" | 16 #include "chrome/common/extensions/api/webrtc_audio_private.h" |
17 #include "content/public/browser/render_process_host.h" | 17 #include "content/public/browser/render_process_host.h" |
18 #include "content/public/browser/resource_context.h" | 18 #include "content/public/browser/resource_context.h" |
19 #include "extensions/browser/browser_context_keyed_api_factory.h" | 19 #include "extensions/browser/browser_context_keyed_api_factory.h" |
20 #include "media/audio/audio_device_name.h" | 20 #include "media/audio/audio_device_description.h" |
21 | 21 |
22 namespace extensions { | 22 namespace extensions { |
23 | 23 |
24 // Listens for device changes and forwards as an extension event. | 24 // Listens for device changes and forwards as an extension event. |
25 class WebrtcAudioPrivateEventService | 25 class WebrtcAudioPrivateEventService |
26 : public BrowserContextKeyedAPI, | 26 : public BrowserContextKeyedAPI, |
27 public base::SystemMonitor::DevicesChangedObserver { | 27 public base::SystemMonitor::DevicesChangedObserver { |
28 public: | 28 public: |
29 explicit WebrtcAudioPrivateEventService(content::BrowserContext* context); | 29 explicit WebrtcAudioPrivateEventService(content::BrowserContext* context); |
30 ~WebrtcAudioPrivateEventService() override; | 30 ~WebrtcAudioPrivateEventService() override; |
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47 }; | 47 }; |
48 | 48 |
49 // Common base for WebrtcAudioPrivate functions, that provides a | 49 // Common base for WebrtcAudioPrivate functions, that provides a |
50 // couple of optionally-used common implementations. | 50 // couple of optionally-used common implementations. |
51 class WebrtcAudioPrivateFunction : public ChromeAsyncExtensionFunction { | 51 class WebrtcAudioPrivateFunction : public ChromeAsyncExtensionFunction { |
52 protected: | 52 protected: |
53 WebrtcAudioPrivateFunction(); | 53 WebrtcAudioPrivateFunction(); |
54 ~WebrtcAudioPrivateFunction() override; | 54 ~WebrtcAudioPrivateFunction() override; |
55 | 55 |
56 protected: | 56 protected: |
57 // Retrieves the list of output device names on the appropriate | 57 // Retrieves the list of output device descriptions on the appropriate |
58 // thread. Call from UI thread, callback will occur on IO thread. | 58 // thread. Call from UI thread, callback will occur on IO thread. |
59 void GetOutputDeviceNames(); | 59 void GetOutputDeviceDescriptions(); |
60 | 60 |
61 // Must override this if you call GetOutputDeviceNames. Called on IO thread. | 61 // Must override this if you call GetOutputDeviceDescriptions. Called on IO |
62 virtual void OnOutputDeviceNames( | 62 // thread. |
63 std::unique_ptr<media::AudioDeviceNames> device_names); | 63 virtual void OnOutputDeviceDescriptions( |
| 64 std::unique_ptr<media::AudioDeviceDescriptions> device_descriptions); |
64 | 65 |
65 // Retrieve the list of AudioOutputController objects. Calls back | 66 // Retrieve the list of AudioOutputController objects. Calls back |
66 // via OnControllerList. | 67 // via OnControllerList. |
67 // | 68 // |
68 // Returns false on error, in which case it has set |error_| and the | 69 // Returns false on error, in which case it has set |error_| and the |
69 // entire function should fail. | 70 // entire function should fail. |
70 // | 71 // |
71 // Call from any thread. Callback will occur on originating thread. | 72 // Call from any thread. Callback will occur on originating thread. |
72 bool GetControllerList(const api::webrtc_audio_private::RequestInfo& request); | 73 bool GetControllerList(const api::webrtc_audio_private::RequestInfo& request); |
73 | 74 |
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112 | 113 |
113 private: | 114 private: |
114 DECLARE_EXTENSION_FUNCTION("webrtcAudioPrivate.getSinks", | 115 DECLARE_EXTENSION_FUNCTION("webrtcAudioPrivate.getSinks", |
115 WEBRTC_AUDIO_PRIVATE_GET_SINKS); | 116 WEBRTC_AUDIO_PRIVATE_GET_SINKS); |
116 | 117 |
117 // Sequence of events is that we query the list of sinks on the | 118 // Sequence of events is that we query the list of sinks on the |
118 // AudioManager's thread, then calculate HMACs on the IO thread, | 119 // AudioManager's thread, then calculate HMACs on the IO thread, |
119 // then finish on the UI thread. | 120 // then finish on the UI thread. |
120 bool RunAsync() override; | 121 bool RunAsync() override; |
121 void DoQuery(); | 122 void DoQuery(); |
122 void OnOutputDeviceNames( | 123 void OnOutputDeviceDescriptions( |
123 std::unique_ptr<media::AudioDeviceNames> raw_ids) override; | 124 std::unique_ptr<media::AudioDeviceDescriptions> raw_ids) override; |
124 void DoneOnUIThread(); | 125 void DoneOnUIThread(); |
125 }; | 126 }; |
126 | 127 |
127 class WebrtcAudioPrivateGetActiveSinkFunction | 128 class WebrtcAudioPrivateGetActiveSinkFunction |
128 : public WebrtcAudioPrivateFunction { | 129 : public WebrtcAudioPrivateFunction { |
129 protected: | 130 protected: |
130 ~WebrtcAudioPrivateGetActiveSinkFunction() override {} | 131 ~WebrtcAudioPrivateGetActiveSinkFunction() override {} |
131 | 132 |
132 private: | 133 private: |
133 DECLARE_EXTENSION_FUNCTION("webrtcAudioPrivate.getActiveSink", | 134 DECLARE_EXTENSION_FUNCTION("webrtcAudioPrivate.getActiveSink", |
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149 ~WebrtcAudioPrivateSetActiveSinkFunction() override; | 150 ~WebrtcAudioPrivateSetActiveSinkFunction() override; |
150 | 151 |
151 private: | 152 private: |
152 DECLARE_EXTENSION_FUNCTION("webrtcAudioPrivate.setActiveSink", | 153 DECLARE_EXTENSION_FUNCTION("webrtcAudioPrivate.setActiveSink", |
153 WEBRTC_AUDIO_PRIVATE_SET_ACTIVE_SINK); | 154 WEBRTC_AUDIO_PRIVATE_SET_ACTIVE_SINK); |
154 | 155 |
155 bool RunAsync() override; | 156 bool RunAsync() override; |
156 void OnControllerList( | 157 void OnControllerList( |
157 const content::RenderProcessHost::AudioOutputControllerList& controllers) | 158 const content::RenderProcessHost::AudioOutputControllerList& controllers) |
158 override; | 159 override; |
159 void OnOutputDeviceNames( | 160 void OnOutputDeviceDescriptions( |
160 std::unique_ptr<media::AudioDeviceNames> device_names) override; | 161 std::unique_ptr<media::AudioDeviceDescriptions> device_descriptions) |
| 162 override; |
161 void SwitchDone(); | 163 void SwitchDone(); |
162 void DoneOnUIThread(); | 164 void DoneOnUIThread(); |
163 | 165 |
164 api::webrtc_audio_private::RequestInfo request_info_; | 166 api::webrtc_audio_private::RequestInfo request_info_; |
165 std::string sink_id_; | 167 std::string sink_id_; |
166 | 168 |
167 // Filled in by OnControllerList. | 169 // Filled in by OnControllerList. |
168 content::RenderProcessHost::AudioOutputControllerList controllers_; | 170 content::RenderProcessHost::AudioOutputControllerList controllers_; |
169 | 171 |
170 // Number of sink IDs we are still waiting for. Can become greater | 172 // Number of sink IDs we are still waiting for. Can become greater |
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197 // 2. Given a source ID for an origin and that security origin, find | 199 // 2. Given a source ID for an origin and that security origin, find |
198 // the raw source ID. This needs to happen on the IO thread since | 200 // the raw source ID. This needs to happen on the IO thread since |
199 // we will be using the ResourceContext. | 201 // we will be using the ResourceContext. |
200 // 3. Given a raw source ID, get the raw associated sink ID on the | 202 // 3. Given a raw source ID, get the raw associated sink ID on the |
201 // device thread. | 203 // device thread. |
202 // 4. Given the raw associated sink ID, get its HMAC on the IO thread. | 204 // 4. Given the raw associated sink ID, get its HMAC on the IO thread. |
203 // 5. Respond with the HMAC of the associated sink ID on the UI thread. | 205 // 5. Respond with the HMAC of the associated sink ID on the UI thread. |
204 | 206 |
205 // Fills in |source_devices_|. Note that these are input devices, | 207 // Fills in |source_devices_|. Note that these are input devices, |
206 // not output devices, so don't use | 208 // not output devices, so don't use |
207 // |WebrtcAudioPrivateFunction::GetOutputDeviceNames|. | 209 // |WebrtcAudioPrivateFunction::GetOutputDeviceDescriptions|. |
208 void GetDevicesOnDeviceThread(); | 210 void GetDevicesOnDeviceThread(); |
209 | 211 |
210 // Takes the parameters of the function, retrieves the raw source | 212 // Takes the parameters of the function, retrieves the raw source |
211 // device ID, or the empty string if none. | 213 // device ID, or the empty string if none. |
212 void GetRawSourceIDOnIOThread(); | 214 void GetRawSourceIDOnIOThread(); |
213 | 215 |
214 // Gets the raw sink ID for a raw source ID. Sends it to |CalculateHMAC|. | 216 // Gets the raw sink ID for a raw source ID. Sends it to |CalculateHMAC|. |
215 void GetAssociatedSinkOnDeviceThread(const std::string& raw_source_id); | 217 void GetAssociatedSinkOnDeviceThread(const std::string& raw_source_id); |
216 | 218 |
217 // Receives the associated sink ID after its HMAC is calculated. | 219 // Receives the associated sink ID after its HMAC is calculated. |
218 void OnHMACCalculated(const std::string& hmac) override; | 220 void OnHMACCalculated(const std::string& hmac) override; |
219 | 221 |
220 // Accessed from UI thread and device thread, but only on one at a | 222 // Accessed from UI thread and device thread, but only on one at a |
221 // time, no locking needed. | 223 // time, no locking needed. |
222 std::unique_ptr<api::webrtc_audio_private::GetAssociatedSink::Params> params_; | 224 std::unique_ptr<api::webrtc_audio_private::GetAssociatedSink::Params> params_; |
223 | 225 |
224 // Audio sources (input devices). Filled in by DoWorkOnDeviceThread. | 226 // Audio sources (input devices). Filled in by DoWorkOnDeviceThread. |
225 media::AudioDeviceNames source_devices_; | 227 media::AudioDeviceDescriptions source_devices_; |
226 }; | 228 }; |
227 | 229 |
228 } // namespace extensions | 230 } // namespace extensions |
229 | 231 |
230 #endif // CHROME_BROWSER_EXTENSIONS_API_WEBRTC_AUDIO_PRIVATE_WEBRTC_AUDIO_PRIVA
TE_API_H_ | 232 #endif // CHROME_BROWSER_EXTENSIONS_API_WEBRTC_AUDIO_PRIVATE_WEBRTC_AUDIO_PRIVA
TE_API_H_ |
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