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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; |
| (...skipping 16 matching lines...) Expand all Loading... |
| 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 |
| (...skipping 38 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
| 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", |
| (...skipping 15 matching lines...) Expand all Loading... |
| 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 |
| (...skipping 26 matching lines...) Expand all Loading... |
| 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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