Tyler Gunn | 86014fc | 2015-06-12 14:31:25 -0700 | [diff] [blame^] | 1 | /* |
| 2 | * Copyright (C) 2015 The Android Open Source Project |
| 3 | * |
| 4 | * Licensed under the Apache License, Version 2.0 (the "License"); |
| 5 | * you may not use this file except in compliance with the License. |
| 6 | * You may obtain a copy of the License at |
| 7 | * |
| 8 | * http://www.apache.org/licenses/LICENSE-2.0 |
| 9 | * |
| 10 | * Unless required by applicable law or agreed to in writing, software |
| 11 | * distributed under the License is distributed on an "AS IS" BASIS, |
| 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 13 | * See the License for the specific language governing permissions and |
| 14 | * limitations under the License |
| 15 | */ |
| 16 | |
| 17 | package com.android.server.telecom; |
| 18 | |
| 19 | import android.net.Uri; |
| 20 | import android.os.IBinder; |
| 21 | import android.os.Looper; |
| 22 | import android.os.RemoteException; |
| 23 | import android.telecom.Connection; |
| 24 | import android.telecom.InCallService; |
| 25 | import android.telecom.VideoProfile; |
| 26 | import android.view.Surface; |
| 27 | |
| 28 | import com.android.internal.telecom.IVideoCallback; |
| 29 | import com.android.internal.telecom.IVideoProvider; |
| 30 | |
| 31 | import java.util.Collections; |
| 32 | import java.util.HashMap; |
| 33 | import java.util.Set; |
| 34 | import java.util.concurrent.ConcurrentHashMap; |
| 35 | |
| 36 | /** |
| 37 | * Proxies video provider messages from {@link InCallService.VideoCall} |
| 38 | * implementations to the underlying {@link Connection.VideoProvider} implementation. Also proxies |
| 39 | * callbacks from the {@link Connection.VideoProvider} to {@link InCallService.VideoCall} |
| 40 | * implementations. |
| 41 | * |
| 42 | * Also provides a means for Telecom to send and receive these messages. |
| 43 | */ |
| 44 | public class VideoProviderProxy extends Connection.VideoProvider { |
| 45 | |
| 46 | /** |
| 47 | * Listener for Telecom components interested in callbacks from the video provider. |
| 48 | */ |
| 49 | interface Listener { |
| 50 | void onSessionModifyRequestReceived(Call call, VideoProfile videoProfile); |
| 51 | } |
| 52 | |
| 53 | /** |
| 54 | * Set of listeners on this VideoProviderProxy. |
| 55 | * |
| 56 | * ConcurrentHashMap constructor params: 8 is initial table size, 0.9f is |
| 57 | * load factor before resizing, 1 means we only expect a single thread to |
| 58 | * access the map so make only a single shard |
| 59 | */ |
| 60 | private final Set<Listener> mListeners = Collections.newSetFromMap( |
| 61 | new ConcurrentHashMap<Listener, Boolean>(8, 0.9f, 1)); |
| 62 | |
| 63 | /** The TelecomSystem SyncRoot used for synchronized operations. */ |
| 64 | private final TelecomSystem.SyncRoot mLock; |
| 65 | |
| 66 | /** |
| 67 | * The {@link android.telecom.Connection.VideoProvider} implementation residing with the |
| 68 | * {@link android.telecom.ConnectionService} which is being wrapped by this |
| 69 | * {@link VideoProviderProxy}. |
| 70 | */ |
| 71 | private final IVideoProvider mConectionServiceVideoProvider; |
| 72 | |
| 73 | /** |
| 74 | * Binder used to bind to the {@link android.telecom.ConnectionService}'s |
| 75 | * {@link com.android.internal.telecom.IVideoCallback}. |
| 76 | */ |
| 77 | private final VideoCallListenerBinder mVideoCallListenerBinder; |
| 78 | |
| 79 | /** |
| 80 | * The Telecom {@link Call} this {@link VideoProviderProxy} is associated with. |
| 81 | */ |
| 82 | private Call mCall; |
| 83 | |
| 84 | private IBinder.DeathRecipient mDeathRecipient = new IBinder.DeathRecipient() { |
| 85 | @Override |
| 86 | public void binderDied() { |
| 87 | mConectionServiceVideoProvider.asBinder().unlinkToDeath(this, 0); |
| 88 | } |
| 89 | }; |
| 90 | |
| 91 | /** |
| 92 | * Creates a new instance of the {@link VideoProviderProxy}, binding it to the passed in |
| 93 | * {@code videoProvider} residing with the {@link android.telecom.ConnectionService}. |
| 94 | * |
| 95 | * |
| 96 | * @param lock |
| 97 | * @param videoProvider The {@link android.telecom.ConnectionService}'s video provider. |
| 98 | * @param call The current call. |
| 99 | * @throws RemoteException Remote exception. |
| 100 | */ |
| 101 | VideoProviderProxy(TelecomSystem.SyncRoot lock, |
| 102 | IVideoProvider videoProvider, Call call) throws RemoteException { |
| 103 | |
| 104 | super(Looper.getMainLooper()); |
| 105 | |
| 106 | mLock = lock; |
| 107 | |
| 108 | mConectionServiceVideoProvider = videoProvider; |
| 109 | mConectionServiceVideoProvider.asBinder().linkToDeath(mDeathRecipient, 0); |
| 110 | |
| 111 | mVideoCallListenerBinder = new VideoCallListenerBinder(); |
| 112 | mConectionServiceVideoProvider.addVideoCallback(mVideoCallListenerBinder); |
| 113 | mCall = call; |
| 114 | } |
| 115 | |
| 116 | /** |
| 117 | * IVideoCallback stub implementation. An instance of this class receives callbacks from the |
| 118 | * {@code ConnectionService}'s video provider. |
| 119 | */ |
| 120 | private final class VideoCallListenerBinder extends IVideoCallback.Stub { |
| 121 | /** |
| 122 | * Proxies a request from the {@link #mConectionServiceVideoProvider} to the |
| 123 | * {@link InCallService} when a session modification request is received. |
| 124 | * |
| 125 | * @param videoProfile The requested video profile. |
| 126 | */ |
| 127 | @Override |
| 128 | public void receiveSessionModifyRequest(VideoProfile videoProfile) { |
| 129 | synchronized (mLock) { |
| 130 | logFromVideoProvider("receiveSessionModifyRequest: " + videoProfile); |
| 131 | |
| 132 | // Inform other Telecom components of the session modification request. |
| 133 | for (Listener listener : mListeners) { |
| 134 | listener.onSessionModifyRequestReceived(mCall, videoProfile); |
| 135 | } |
| 136 | |
| 137 | VideoProviderProxy.this.receiveSessionModifyRequest(videoProfile); |
| 138 | } |
| 139 | } |
| 140 | |
| 141 | /** |
| 142 | * Proxies a request from the {@link #mConectionServiceVideoProvider} to the |
| 143 | * {@link InCallService} when a session modification response is received. |
| 144 | * |
| 145 | * @param status The status of the response. |
| 146 | * @param requestProfile The requested video profile. |
| 147 | * @param responseProfile The response video profile. |
| 148 | */ |
| 149 | @Override |
| 150 | public void receiveSessionModifyResponse(int status, VideoProfile requestProfile, |
| 151 | VideoProfile responseProfile) { |
| 152 | synchronized (mLock) { |
| 153 | logFromVideoProvider("receiveSessionModifyResponse: status=" + status + |
| 154 | " requestProfile=" + requestProfile + " responseProfile=" + |
| 155 | responseProfile); |
| 156 | VideoProviderProxy.this.receiveSessionModifyResponse(status, requestProfile, |
| 157 | responseProfile); |
| 158 | } |
| 159 | } |
| 160 | |
| 161 | /** |
| 162 | * Proxies a request from the {@link #mConectionServiceVideoProvider} to the |
| 163 | * {@link InCallService} when a call session event occurs. |
| 164 | * |
| 165 | * @param event The call session event. |
| 166 | */ |
| 167 | @Override |
| 168 | public void handleCallSessionEvent(int event) { |
| 169 | synchronized (mLock) { |
| 170 | logFromVideoProvider("handleCallSessionEvent: " + event); |
| 171 | VideoProviderProxy.this.handleCallSessionEvent(event); |
| 172 | } |
| 173 | } |
| 174 | |
| 175 | /** |
| 176 | * Proxies a request from the {@link #mConectionServiceVideoProvider} to the |
| 177 | * {@link InCallService} when the peer dimensions change. |
| 178 | * |
| 179 | * @param width The width of the peer's video. |
| 180 | * @param height The height of the peer's video. |
| 181 | */ |
| 182 | @Override |
| 183 | public void changePeerDimensions(int width, int height) { |
| 184 | synchronized (mLock) { |
| 185 | logFromVideoProvider("changePeerDimensions: width=" + width + " height=" + |
| 186 | height); |
| 187 | VideoProviderProxy.this.changePeerDimensions(width, height); |
| 188 | } |
| 189 | } |
| 190 | |
| 191 | /** |
| 192 | * Proxies a request from the {@link #mConectionServiceVideoProvider} to the |
| 193 | * {@link InCallService} when the video quality changes. |
| 194 | * |
| 195 | * @param videoQuality The video quality. |
| 196 | */ |
| 197 | @Override |
| 198 | public void changeVideoQuality(int videoQuality) { |
| 199 | synchronized (mLock) { |
| 200 | logFromVideoProvider("changeVideoQuality: " + videoQuality); |
| 201 | VideoProviderProxy.this.changeVideoQuality(videoQuality); |
| 202 | } |
| 203 | } |
| 204 | |
| 205 | /** |
| 206 | * Proxies a request from the {@link #mConectionServiceVideoProvider} to the |
| 207 | * {@link InCallService} when the call data usage changes. |
| 208 | * |
| 209 | * @param dataUsage The data usage. |
| 210 | */ |
| 211 | @Override |
| 212 | public void changeCallDataUsage(long dataUsage) { |
| 213 | synchronized (mLock) { |
| 214 | logFromVideoProvider("changeCallDataUsage: " + dataUsage); |
| 215 | VideoProviderProxy.this.setCallDataUsage(dataUsage); |
| 216 | } |
| 217 | } |
| 218 | |
| 219 | /** |
| 220 | * Proxies a request from the {@link #mConectionServiceVideoProvider} to the |
| 221 | * {@link InCallService} when the camera capabilities change. |
| 222 | * |
| 223 | * @param cameraCapabilities The camera capabilities. |
| 224 | */ |
| 225 | @Override |
| 226 | public void changeCameraCapabilities(VideoProfile.CameraCapabilities cameraCapabilities) { |
| 227 | synchronized (mLock) { |
| 228 | logFromVideoProvider("changeCameraCapabilities: " + cameraCapabilities); |
| 229 | VideoProviderProxy.this.changeCameraCapabilities(cameraCapabilities); |
| 230 | } |
| 231 | } |
| 232 | } |
| 233 | |
| 234 | /** |
| 235 | * Proxies a request from the {@link InCallService} to the |
| 236 | * {@link #mConectionServiceVideoProvider} to change the camera. |
| 237 | * |
| 238 | * @param cameraId The id of the camera. |
| 239 | */ |
| 240 | @Override |
| 241 | public void onSetCamera(String cameraId) { |
| 242 | synchronized (mLock) { |
| 243 | logFromInCall("setCamera: " + cameraId); |
| 244 | try { |
| 245 | mConectionServiceVideoProvider.setCamera(cameraId); |
| 246 | } catch (RemoteException e) { |
| 247 | } |
| 248 | } |
| 249 | } |
| 250 | |
| 251 | /** |
| 252 | * Proxies a request from the {@link InCallService} to the |
| 253 | * {@link #mConectionServiceVideoProvider} to set the preview surface. |
| 254 | * |
| 255 | * @param surface The surface. |
| 256 | */ |
| 257 | @Override |
| 258 | public void onSetPreviewSurface(Surface surface) { |
| 259 | synchronized (mLock) { |
| 260 | logFromInCall("setPreviewSurface"); |
| 261 | try { |
| 262 | mConectionServiceVideoProvider.setPreviewSurface(surface); |
| 263 | } catch (RemoteException e) { |
| 264 | } |
| 265 | } |
| 266 | } |
| 267 | |
| 268 | /** |
| 269 | * Proxies a request from the {@link InCallService} to the |
| 270 | * {@link #mConectionServiceVideoProvider} to change the display surface. |
| 271 | * |
| 272 | * @param surface The surface. |
| 273 | */ |
| 274 | @Override |
| 275 | public void onSetDisplaySurface(Surface surface) { |
| 276 | synchronized (mLock) { |
| 277 | logFromInCall("setDisplaySurface"); |
| 278 | try { |
| 279 | mConectionServiceVideoProvider.setDisplaySurface(surface); |
| 280 | } catch (RemoteException e) { |
| 281 | } |
| 282 | } |
| 283 | } |
| 284 | |
| 285 | /** |
| 286 | * Proxies a request from the {@link InCallService} to the |
| 287 | * {@link #mConectionServiceVideoProvider} to change the device orientation. |
| 288 | * |
| 289 | * @param rotation The device orientation, in degrees. |
| 290 | */ |
| 291 | @Override |
| 292 | public void onSetDeviceOrientation(int rotation) { |
| 293 | synchronized (mLock) { |
| 294 | logFromInCall("setDeviceOrientation: " + rotation); |
| 295 | try { |
| 296 | mConectionServiceVideoProvider.setDeviceOrientation(rotation); |
| 297 | } catch (RemoteException e) { |
| 298 | } |
| 299 | } |
| 300 | } |
| 301 | |
| 302 | /** |
| 303 | * Proxies a request from the {@link InCallService} to the |
| 304 | * {@link #mConectionServiceVideoProvider} to change the camera zoom ratio. |
| 305 | * |
| 306 | * @param value The camera zoom ratio. |
| 307 | */ |
| 308 | @Override |
| 309 | public void onSetZoom(float value) { |
| 310 | synchronized (mLock) { |
| 311 | logFromInCall("setZoom: " + value); |
| 312 | try { |
| 313 | mConectionServiceVideoProvider.setZoom(value); |
| 314 | } catch (RemoteException e) { |
| 315 | } |
| 316 | } |
| 317 | } |
| 318 | |
| 319 | /** |
| 320 | * Proxies a request from the {@link InCallService} to the |
| 321 | * {@link #mConectionServiceVideoProvider} to provide a response to a session modification |
| 322 | * request. |
| 323 | * |
| 324 | * @param fromProfile The video properties prior to the request. |
| 325 | * @param toProfile The video properties with the requested changes made. |
| 326 | */ |
| 327 | @Override |
| 328 | public void onSendSessionModifyRequest(VideoProfile fromProfile, VideoProfile toProfile) { |
| 329 | synchronized (mLock) { |
| 330 | logFromInCall("sendSessionModifyRequest: from=" + fromProfile + " to=" + toProfile); |
| 331 | try { |
| 332 | mConectionServiceVideoProvider.sendSessionModifyRequest(fromProfile, toProfile); |
| 333 | } catch (RemoteException e) { |
| 334 | } |
| 335 | } |
| 336 | } |
| 337 | |
| 338 | /** |
| 339 | * Proxies a request from the {@link InCallService} to the |
| 340 | * {@link #mConectionServiceVideoProvider} to send a session modification request. |
| 341 | * |
| 342 | * @param responseProfile The response connection video properties. |
| 343 | */ |
| 344 | @Override |
| 345 | public void onSendSessionModifyResponse(VideoProfile responseProfile) { |
| 346 | synchronized (mLock) { |
| 347 | logFromInCall("sendSessionModifyResponse: " + responseProfile); |
| 348 | try { |
| 349 | mConectionServiceVideoProvider.sendSessionModifyResponse(responseProfile); |
| 350 | } catch (RemoteException e) { |
| 351 | } |
| 352 | } |
| 353 | } |
| 354 | |
| 355 | /** |
| 356 | * Proxies a request from the {@link InCallService} to the |
| 357 | * {@link #mConectionServiceVideoProvider} to request the camera capabilities. |
| 358 | */ |
| 359 | @Override |
| 360 | public void onRequestCameraCapabilities() { |
| 361 | synchronized (mLock) { |
| 362 | logFromInCall("requestCameraCapabilities"); |
| 363 | try { |
| 364 | mConectionServiceVideoProvider.requestCameraCapabilities(); |
| 365 | } catch (RemoteException e) { |
| 366 | } |
| 367 | } |
| 368 | } |
| 369 | |
| 370 | /** |
| 371 | * Proxies a request from the {@link InCallService} to the |
| 372 | * {@link #mConectionServiceVideoProvider} to request the connection data usage. |
| 373 | */ |
| 374 | @Override |
| 375 | public void onRequestConnectionDataUsage() { |
| 376 | synchronized (mLock) { |
| 377 | logFromInCall("requestCallDataUsage"); |
| 378 | try { |
| 379 | mConectionServiceVideoProvider.requestCallDataUsage(); |
| 380 | } catch (RemoteException e) { |
| 381 | } |
| 382 | } |
| 383 | } |
| 384 | |
| 385 | /** |
| 386 | * Proxies a request from the {@link InCallService} to the |
| 387 | * {@link #mConectionServiceVideoProvider} to set the pause image. |
| 388 | * |
| 389 | * @param uri URI of image to display. |
| 390 | */ |
| 391 | @Override |
| 392 | public void onSetPauseImage(Uri uri) { |
| 393 | synchronized (mLock) { |
| 394 | logFromInCall("setPauseImage: " + uri); |
| 395 | try { |
| 396 | mConectionServiceVideoProvider.setPauseImage(uri); |
| 397 | } catch (RemoteException e) { |
| 398 | } |
| 399 | } |
| 400 | } |
| 401 | |
| 402 | /** |
| 403 | * Add a listener to this {@link VideoProviderProxy}. |
| 404 | * |
| 405 | * @param listener The listener. |
| 406 | */ |
| 407 | public void addListener(Listener listener) { |
| 408 | mListeners.add(listener); |
| 409 | } |
| 410 | |
| 411 | /** |
| 412 | * Remove a listener from this {@link VideoProviderProxy}. |
| 413 | * |
| 414 | * @param listener The listener. |
| 415 | */ |
| 416 | public void removeListener(Listener listener) { |
| 417 | if (listener != null) { |
| 418 | mListeners.remove(listener); |
| 419 | } |
| 420 | } |
| 421 | |
| 422 | /** |
| 423 | * Logs a message originating from the {@link InCallService}. |
| 424 | * |
| 425 | * @param toLog The message to log. |
| 426 | */ |
| 427 | private void logFromInCall(String toLog) { |
| 428 | Log.v(this, "IC->VP: " + toLog); |
| 429 | } |
| 430 | |
| 431 | /** |
| 432 | * Logs a message originating from the {@link android.telecom.ConnectionService}'s |
| 433 | * {@link Connection.VideoProvider}. |
| 434 | * |
| 435 | * @param toLog The message to log. |
| 436 | */ |
| 437 | private void logFromVideoProvider(String toLog) { |
| 438 | Log.v(this, "VP->IC: " + toLog); |
| 439 | } |
| 440 | } |