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1 // Copyright (c) 2011 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2011 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 WEBKIT_PLUGINS_PPAPI_PLUGIN_DELEGATE_H_ | 5 #ifndef WEBKIT_PLUGINS_PPAPI_PLUGIN_DELEGATE_H_ |
6 #define WEBKIT_PLUGINS_PPAPI_PLUGIN_DELEGATE_H_ | 6 #define WEBKIT_PLUGINS_PPAPI_PLUGIN_DELEGATE_H_ |
7 | 7 |
8 #include <string> | 8 #include <string> |
9 | 9 |
10 #include "base/callback.h" | 10 #include "base/callback.h" |
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173 | 173 |
174 // Set an optional callback that will be invoked when the context is lost | 174 // Set an optional callback that will be invoked when the context is lost |
175 // (e.g. gpu process crash). Takes ownership of the callback. | 175 // (e.g. gpu process crash). Takes ownership of the callback. |
176 virtual void SetContextLostCallback( | 176 virtual void SetContextLostCallback( |
177 const base::Callback<void()>& callback) = 0; | 177 const base::Callback<void()>& callback) = 0; |
178 | 178 |
179 // Run the callback once the channel has been flushed. | 179 // Run the callback once the channel has been flushed. |
180 virtual bool Echo(const base::Callback<void()>& callback) = 0; | 180 virtual bool Echo(const base::Callback<void()>& callback) = 0; |
181 }; | 181 }; |
182 | 182 |
183 // The (interface for the) client used by |PlatformAudio| and | |
184 // |PlatformAudioInput|. | |
185 class PlatformAudioCommonClient { | |
186 protected: | |
187 virtual ~PlatformAudioCommonClient() {} | |
188 | |
189 public: | |
190 // Called when the stream is created. | |
191 virtual void StreamCreated(base::SharedMemoryHandle shared_memory_handle, | |
192 size_t shared_memory_size, | |
193 base::SyncSocket::Handle socket) = 0; | |
194 }; | |
195 | |
196 class PlatformAudio { | 183 class PlatformAudio { |
197 public: | 184 public: |
| 185 class Client { |
| 186 protected: |
| 187 virtual ~Client() {} |
| 188 |
| 189 public: |
| 190 // Called when the stream is created. |
| 191 virtual void StreamCreated(base::SharedMemoryHandle shared_memory_handle, |
| 192 size_t shared_memory_size, |
| 193 base::SyncSocket::Handle socket) = 0; |
| 194 }; |
| 195 |
198 // Starts the playback. Returns false on error or if called before the | 196 // Starts the playback. Returns false on error or if called before the |
199 // stream is created or after the stream is closed. | 197 // stream is created or after the stream is closed. |
200 virtual bool StartPlayback() = 0; | 198 virtual bool StartPlayback() = 0; |
201 | 199 |
202 // Stops the playback. Returns false on error or if called before the stream | 200 // Stops the playback. Returns false on error or if called before the stream |
203 // is created or after the stream is closed. | 201 // is created or after the stream is closed. |
204 virtual bool StopPlayback() = 0; | 202 virtual bool StopPlayback() = 0; |
205 | 203 |
206 // Closes the stream. Make sure to call this before the object is | 204 // Closes the stream. Make sure to call this before the object is |
207 // destructed. | 205 // destructed. |
208 virtual void ShutDown() = 0; | 206 virtual void ShutDown() = 0; |
209 | 207 |
210 protected: | 208 protected: |
211 virtual ~PlatformAudio() {} | 209 virtual ~PlatformAudio() {} |
212 }; | 210 }; |
213 | 211 |
214 class PlatformAudioInput { | |
215 public: | |
216 // Starts the playback. Returns false on error or if called before the | |
217 // stream is created or after the stream is closed. | |
218 virtual bool StartCapture() = 0; | |
219 | |
220 // Stops the capture. Returns false on error or if called before the stream | |
221 // is created or after the stream is closed. | |
222 virtual bool StopCapture() = 0; | |
223 | |
224 // Closes the stream. Make sure to call this before the object is | |
225 // destructed. | |
226 virtual void ShutDown() = 0; | |
227 | |
228 protected: | |
229 virtual ~PlatformAudioInput() {} | |
230 }; | |
231 | |
232 // Interface for PlatformVideoDecoder is directly inherited from general media | 212 // Interface for PlatformVideoDecoder is directly inherited from general media |
233 // VideoDecodeAccelerator interface. | 213 // VideoDecodeAccelerator interface. |
234 class PlatformVideoDecoder : public media::VideoDecodeAccelerator { | 214 class PlatformVideoDecoder : public media::VideoDecodeAccelerator { |
235 protected: | 215 protected: |
236 virtual ~PlatformVideoDecoder() {} | 216 virtual ~PlatformVideoDecoder() {} |
237 }; | 217 }; |
238 | 218 |
239 class PlatformVideoCapture : public media::VideoCapture { | 219 class PlatformVideoCapture : public media::VideoCapture { |
240 public: | 220 public: |
241 virtual ~PlatformVideoCapture() {} | 221 virtual ~PlatformVideoCapture() {} |
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298 | 278 |
299 // The caller will own the pointer returned from this. | 279 // The caller will own the pointer returned from this. |
300 virtual PlatformVideoDecoder* CreateVideoDecoder( | 280 virtual PlatformVideoDecoder* CreateVideoDecoder( |
301 media::VideoDecodeAccelerator::Client* client, | 281 media::VideoDecodeAccelerator::Client* client, |
302 int32 command_buffer_route_id) = 0; | 282 int32 command_buffer_route_id) = 0; |
303 | 283 |
304 // The caller is responsible for calling Shutdown() on the returned pointer | 284 // The caller is responsible for calling Shutdown() on the returned pointer |
305 // to clean up the corresponding resources allocated during this call. | 285 // to clean up the corresponding resources allocated during this call. |
306 virtual PlatformAudio* CreateAudio(uint32_t sample_rate, | 286 virtual PlatformAudio* CreateAudio(uint32_t sample_rate, |
307 uint32_t sample_count, | 287 uint32_t sample_count, |
308 PlatformAudioCommonClient* client) = 0; | 288 PlatformAudio::Client* client) = 0; |
309 | |
310 // The caller is responsible for calling Shutdown() on the returned pointer | |
311 // to clean up the corresponding resources allocated during this call. | |
312 virtual PlatformAudioInput* CreateAudioInput(uint32_t sample_rate, | |
313 uint32_t sample_count, | |
314 PlatformAudioCommonClient* client) = 0; | |
315 | 289 |
316 // A pointer is returned immediately, but it is not ready to be used until | 290 // A pointer is returned immediately, but it is not ready to be used until |
317 // BrokerConnected has been called. | 291 // BrokerConnected has been called. |
318 // The caller is responsible for calling Release() on the returned pointer | 292 // The caller is responsible for calling Release() on the returned pointer |
319 // to clean up the corresponding resources allocated during this call. | 293 // to clean up the corresponding resources allocated during this call. |
320 virtual PpapiBroker* ConnectToPpapiBroker( | 294 virtual PpapiBroker* ConnectToPpapiBroker( |
321 webkit::ppapi::PPB_Broker_Impl* client) = 0; | 295 webkit::ppapi::PPB_Broker_Impl* client) = 0; |
322 | 296 |
323 // Notifies that the number of find results has changed. | 297 // Notifies that the number of find results has changed. |
324 virtual void NumberOfFindResultsChanged(int identifier, | 298 virtual void NumberOfFindResultsChanged(int identifier, |
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483 virtual void DidReceiveMouseEvent(PluginInstance* instance) = 0; | 457 virtual void DidReceiveMouseEvent(PluginInstance* instance) = 0; |
484 | 458 |
485 // Determines if the browser entered fullscreen mode. | 459 // Determines if the browser entered fullscreen mode. |
486 virtual bool IsInFullscreenMode() = 0; | 460 virtual bool IsInFullscreenMode() = 0; |
487 }; | 461 }; |
488 | 462 |
489 } // namespace ppapi | 463 } // namespace ppapi |
490 } // namespace webkit | 464 } // namespace webkit |
491 | 465 |
492 #endif // WEBKIT_PLUGINS_PPAPI_PLUGIN_DELEGATE_H_ | 466 #endif // WEBKIT_PLUGINS_PPAPI_PLUGIN_DELEGATE_H_ |
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