TvInputManagerService.java revision 956afc2ba79f50bb8025c6d334653e3c3419b480
1/* 2 * Copyright (C) 2014 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 17package com.android.server.tv; 18 19import static android.media.tv.TvInputManager.INPUT_STATE_CONNECTED; 20import static android.media.tv.TvInputManager.INPUT_STATE_DISCONNECTED; 21 22import android.app.ActivityManager; 23import android.content.BroadcastReceiver; 24import android.content.ComponentName; 25import android.content.ContentProviderOperation; 26import android.content.ContentProviderResult; 27import android.content.ContentResolver; 28import android.content.ContentUris; 29import android.content.ContentValues; 30import android.content.Context; 31import android.content.Intent; 32import android.content.IntentFilter; 33import android.content.OperationApplicationException; 34import android.content.ServiceConnection; 35import android.content.pm.PackageManager; 36import android.content.pm.ResolveInfo; 37import android.content.pm.ServiceInfo; 38import android.content.res.Resources; 39import android.database.Cursor; 40import android.graphics.Rect; 41import android.hardware.hdmi.HdmiDeviceInfo; 42import android.media.tv.ITvInputClient; 43import android.media.tv.ITvInputHardware; 44import android.media.tv.ITvInputHardwareCallback; 45import android.media.tv.ITvInputManager; 46import android.media.tv.ITvInputManagerCallback; 47import android.media.tv.ITvInputService; 48import android.media.tv.ITvInputServiceCallback; 49import android.media.tv.ITvInputSession; 50import android.media.tv.ITvInputSessionCallback; 51import android.media.tv.TvContentRating; 52import android.media.tv.TvContract; 53import android.media.tv.TvInputHardwareInfo; 54import android.media.tv.TvInputInfo; 55import android.media.tv.TvInputService; 56import android.media.tv.TvStreamConfig; 57import android.media.tv.TvTrackInfo; 58import android.net.Uri; 59import android.os.Binder; 60import android.os.Bundle; 61import android.os.Handler; 62import android.os.IBinder; 63import android.os.Looper; 64import android.os.Message; 65import android.os.Process; 66import android.os.RemoteException; 67import android.os.UserHandle; 68import android.util.Slog; 69import android.util.SparseArray; 70import android.view.InputChannel; 71import android.view.Surface; 72 73import com.android.internal.content.PackageMonitor; 74import com.android.internal.os.SomeArgs; 75import com.android.internal.util.IndentingPrintWriter; 76import com.android.server.IoThread; 77import com.android.server.SystemService; 78 79import org.xmlpull.v1.XmlPullParserException; 80 81import java.io.FileDescriptor; 82import java.io.IOException; 83import java.io.PrintWriter; 84import java.util.ArrayList; 85import java.util.HashMap; 86import java.util.HashSet; 87import java.util.Iterator; 88import java.util.List; 89import java.util.Map; 90import java.util.Set; 91 92/** This class provides a system service that manages television inputs. */ 93public final class TvInputManagerService extends SystemService { 94 // STOPSHIP: Turn debugging off. 95 private static final boolean DEBUG = true; 96 private static final String TAG = "TvInputManagerService"; 97 98 private final Context mContext; 99 private final TvInputHardwareManager mTvInputHardwareManager; 100 101 private final ContentResolver mContentResolver; 102 103 // A global lock. 104 private final Object mLock = new Object(); 105 106 // ID of the current user. 107 private int mCurrentUserId = UserHandle.USER_OWNER; 108 109 // A map from user id to UserState. 110 private final SparseArray<UserState> mUserStates = new SparseArray<UserState>(); 111 112 private final Handler mLogHandler; 113 114 public TvInputManagerService(Context context) { 115 super(context); 116 117 mContext = context; 118 mContentResolver = context.getContentResolver(); 119 mLogHandler = new LogHandler(IoThread.get().getLooper()); 120 121 mTvInputHardwareManager = new TvInputHardwareManager(context, new HardwareListener()); 122 123 synchronized (mLock) { 124 mUserStates.put(mCurrentUserId, new UserState(mContext, mCurrentUserId)); 125 } 126 } 127 128 @Override 129 public void onStart() { 130 publishBinderService(Context.TV_INPUT_SERVICE, new BinderService()); 131 } 132 133 @Override 134 public void onBootPhase(int phase) { 135 if (phase == SystemService.PHASE_SYSTEM_SERVICES_READY) { 136 registerBroadcastReceivers(); 137 } else if (phase == SystemService.PHASE_THIRD_PARTY_APPS_CAN_START) { 138 synchronized (mLock) { 139 buildTvInputListLocked(mCurrentUserId); 140 } 141 } 142 mTvInputHardwareManager.onBootPhase(phase); 143 } 144 145 private void registerBroadcastReceivers() { 146 PackageMonitor monitor = new PackageMonitor() { 147 @Override 148 public void onSomePackagesChanged() { 149 synchronized (mLock) { 150 buildTvInputListLocked(mCurrentUserId); 151 } 152 } 153 154 @Override 155 public void onPackageRemoved(String packageName, int uid) { 156 synchronized (mLock) { 157 UserState userState = getUserStateLocked(mCurrentUserId); 158 if (!userState.packageSet.contains(packageName)) { 159 // Not a TV input package. 160 return; 161 } 162 } 163 164 ArrayList<ContentProviderOperation> operations = 165 new ArrayList<ContentProviderOperation>(); 166 167 String selection = TvContract.BaseTvColumns.COLUMN_PACKAGE_NAME + "=?"; 168 String[] selectionArgs = { packageName }; 169 170 operations.add(ContentProviderOperation.newDelete(TvContract.Channels.CONTENT_URI) 171 .withSelection(selection, selectionArgs).build()); 172 operations.add(ContentProviderOperation.newDelete(TvContract.Programs.CONTENT_URI) 173 .withSelection(selection, selectionArgs).build()); 174 operations.add(ContentProviderOperation 175 .newDelete(TvContract.WatchedPrograms.CONTENT_URI) 176 .withSelection(selection, selectionArgs).build()); 177 178 ContentProviderResult[] results = null; 179 try { 180 results = mContentResolver.applyBatch(TvContract.AUTHORITY, operations); 181 } catch (RemoteException | OperationApplicationException e) { 182 Slog.e(TAG, "error in applyBatch" + e); 183 } 184 185 if (DEBUG) { 186 Slog.d(TAG, "onPackageRemoved(packageName=" + packageName + ", uid=" + uid 187 + ")"); 188 Slog.d(TAG, "results=" + results); 189 } 190 } 191 }; 192 monitor.register(mContext, null, UserHandle.ALL, true); 193 194 IntentFilter intentFilter = new IntentFilter(); 195 intentFilter.addAction(Intent.ACTION_USER_SWITCHED); 196 intentFilter.addAction(Intent.ACTION_USER_REMOVED); 197 mContext.registerReceiverAsUser(new BroadcastReceiver() { 198 @Override 199 public void onReceive(Context context, Intent intent) { 200 String action = intent.getAction(); 201 if (Intent.ACTION_USER_SWITCHED.equals(action)) { 202 switchUser(intent.getIntExtra(Intent.EXTRA_USER_HANDLE, 0)); 203 } else if (Intent.ACTION_USER_REMOVED.equals(action)) { 204 removeUser(intent.getIntExtra(Intent.EXTRA_USER_HANDLE, 0)); 205 } 206 } 207 }, UserHandle.ALL, intentFilter, null, null); 208 } 209 210 private static boolean hasHardwarePermission(PackageManager pm, ComponentName component) { 211 return pm.checkPermission(android.Manifest.permission.TV_INPUT_HARDWARE, 212 component.getPackageName()) == PackageManager.PERMISSION_GRANTED; 213 } 214 215 private void buildTvInputListLocked(int userId) { 216 UserState userState = getUserStateLocked(userId); 217 218 Map<String, TvInputState> inputMap = new HashMap<String, TvInputState>(); 219 userState.packageSet.clear(); 220 221 if (DEBUG) Slog.d(TAG, "buildTvInputList"); 222 PackageManager pm = mContext.getPackageManager(); 223 List<ResolveInfo> services = pm.queryIntentServices( 224 new Intent(TvInputService.SERVICE_INTERFACE), 225 PackageManager.GET_SERVICES | PackageManager.GET_META_DATA); 226 List<TvInputInfo> inputList = new ArrayList<TvInputInfo>(); 227 for (ResolveInfo ri : services) { 228 ServiceInfo si = ri.serviceInfo; 229 if (!android.Manifest.permission.BIND_TV_INPUT.equals(si.permission)) { 230 Slog.w(TAG, "Skipping TV input " + si.name + ": it does not require the permission " 231 + android.Manifest.permission.BIND_TV_INPUT); 232 continue; 233 } 234 try { 235 inputList.clear(); 236 ComponentName component = new ComponentName(si.packageName, si.name); 237 if (hasHardwarePermission(pm, component)) { 238 ServiceState serviceState = userState.serviceStateMap.get(component); 239 if (serviceState == null) { 240 // We see this hardware TV input service for the first time; we need to 241 // prepare the ServiceState object so that we can connect to the service and 242 // let it add TvInputInfo objects to mInputList if there's any. 243 serviceState = new ServiceState(component, userId); 244 userState.serviceStateMap.put(component, serviceState); 245 } else { 246 inputList.addAll(serviceState.mInputList); 247 } 248 } else { 249 inputList.add(TvInputInfo.createTvInputInfo(mContext, ri)); 250 } 251 252 for (TvInputInfo info : inputList) { 253 if (DEBUG) Slog.d(TAG, "add " + info.getId()); 254 TvInputState state = userState.inputMap.get(info.getId()); 255 if (state == null) { 256 state = new TvInputState(); 257 } 258 state.mInfo = info; 259 inputMap.put(info.getId(), state); 260 } 261 262 // Reconnect the service if existing input is updated. 263 updateServiceConnectionLocked(component, userId); 264 265 userState.packageSet.add(si.packageName); 266 } catch (IOException | XmlPullParserException e) { 267 Slog.e(TAG, "Can't load TV input " + si.name, e); 268 } 269 } 270 271 for (String inputId : inputMap.keySet()) { 272 if (!userState.inputMap.containsKey(inputId)) { 273 notifyInputAddedLocked(userState, inputId); 274 } 275 } 276 277 for (String inputId : userState.inputMap.keySet()) { 278 if (!inputMap.containsKey(inputId)) { 279 notifyInputRemovedLocked(userState, inputId); 280 } 281 } 282 283 userState.inputMap.clear(); 284 userState.inputMap = inputMap; 285 286 Resources r = Resources.getSystem(); 287 userState.ratingSystemXmlUriSet.clear(); 288 userState.ratingSystemXmlUriSet.add(TvContentRating.SYSTEM_CONTENT_RATING_SYSTEM_XML); 289 for (TvInputState state : userState.inputMap.values()) { 290 Uri ratingSystemXmlUri = state.mInfo.getRatingSystemXmlUri(); 291 if (ratingSystemXmlUri != null) { 292 // TODO: need to check the validation of xml format and the duplication of rating 293 // systems. 294 userState.ratingSystemXmlUriSet.add(state.mInfo.getRatingSystemXmlUri()); 295 } 296 } 297 } 298 299 private void switchUser(int userId) { 300 synchronized (mLock) { 301 if (mCurrentUserId == userId) { 302 return; 303 } 304 // final int oldUserId = mCurrentUserId; 305 // TODO: Release services and sessions in the old user state, if needed. 306 mCurrentUserId = userId; 307 308 UserState userState = mUserStates.get(userId); 309 if (userState == null) { 310 userState = new UserState(mContext, userId); 311 } 312 mUserStates.put(userId, userState); 313 buildTvInputListLocked(userId); 314 } 315 } 316 317 private void removeUser(int userId) { 318 synchronized (mLock) { 319 UserState userState = mUserStates.get(userId); 320 if (userState == null) { 321 return; 322 } 323 // Release created sessions. 324 for (SessionState state : userState.sessionStateMap.values()) { 325 if (state.mSession != null) { 326 try { 327 state.mSession.release(); 328 } catch (RemoteException e) { 329 Slog.e(TAG, "error in release", e); 330 } 331 } 332 } 333 userState.sessionStateMap.clear(); 334 335 // Unregister all callbacks and unbind all services. 336 for (ServiceState serviceState : userState.serviceStateMap.values()) { 337 if (serviceState.mCallback != null) { 338 try { 339 serviceState.mService.unregisterCallback(serviceState.mCallback); 340 } catch (RemoteException e) { 341 Slog.e(TAG, "error in unregisterCallback", e); 342 } 343 } 344 serviceState.mClientTokens.clear(); 345 mContext.unbindService(serviceState.mConnection); 346 } 347 userState.serviceStateMap.clear(); 348 349 userState.clientStateMap.clear(); 350 351 mUserStates.remove(userId); 352 } 353 } 354 355 private UserState getUserStateLocked(int userId) { 356 UserState userState = mUserStates.get(userId); 357 if (userState == null) { 358 throw new IllegalStateException("User state not found for user ID " + userId); 359 } 360 return userState; 361 } 362 363 private ServiceState getServiceStateLocked(ComponentName component, int userId) { 364 UserState userState = getUserStateLocked(userId); 365 ServiceState serviceState = userState.serviceStateMap.get(component); 366 if (serviceState == null) { 367 throw new IllegalStateException("Service state not found for " + component + " (userId=" 368 + userId + ")"); 369 } 370 return serviceState; 371 } 372 373 private SessionState getSessionStateLocked(IBinder sessionToken, int callingUid, int userId) { 374 UserState userState = getUserStateLocked(userId); 375 SessionState sessionState = userState.sessionStateMap.get(sessionToken); 376 if (sessionState == null) { 377 throw new IllegalArgumentException("Session state not found for token " + sessionToken); 378 } 379 // Only the application that requested this session or the system can access it. 380 if (callingUid != Process.SYSTEM_UID && callingUid != sessionState.mCallingUid) { 381 throw new SecurityException("Illegal access to the session with token " + sessionToken 382 + " from uid " + callingUid); 383 } 384 return sessionState; 385 } 386 387 private ITvInputSession getSessionLocked(IBinder sessionToken, int callingUid, int userId) { 388 return getSessionLocked(getSessionStateLocked(sessionToken, callingUid, userId)); 389 } 390 391 private ITvInputSession getSessionLocked(SessionState sessionState) { 392 ITvInputSession session = sessionState.mSession; 393 if (session == null) { 394 throw new IllegalStateException("Session not yet created for token " 395 + sessionState.mSessionToken); 396 } 397 return session; 398 } 399 400 private int resolveCallingUserId(int callingPid, int callingUid, int requestedUserId, 401 String methodName) { 402 return ActivityManager.handleIncomingUser(callingPid, callingUid, requestedUserId, false, 403 false, methodName, null); 404 } 405 406 private static boolean shouldMaintainConnection(ServiceState serviceState) { 407 return !serviceState.mClientTokens.isEmpty() 408 || !serviceState.mSessionTokens.isEmpty() 409 || serviceState.mIsHardware; 410 // TODO: Find a way to maintain connection only when necessary. 411 } 412 413 private void updateServiceConnectionLocked(ComponentName component, int userId) { 414 UserState userState = getUserStateLocked(userId); 415 ServiceState serviceState = userState.serviceStateMap.get(component); 416 if (serviceState == null) { 417 return; 418 } 419 if (serviceState.mReconnecting) { 420 if (!serviceState.mSessionTokens.isEmpty()) { 421 // wait until all the sessions are removed. 422 return; 423 } 424 serviceState.mReconnecting = false; 425 } 426 boolean maintainConnection = shouldMaintainConnection(serviceState); 427 if (serviceState.mService == null && maintainConnection && userId == mCurrentUserId) { 428 // This means that the service is not yet connected but its state indicates that we 429 // have pending requests. Then, connect the service. 430 if (serviceState.mBound) { 431 // We have already bound to the service so we don't try to bind again until after we 432 // unbind later on. 433 return; 434 } 435 if (DEBUG) { 436 Slog.d(TAG, "bindServiceAsUser(service=" + component + ", userId=" + userId + ")"); 437 } 438 439 Intent i = new Intent(TvInputService.SERVICE_INTERFACE).setComponent(component); 440 // Binding service may fail if the service is updating. 441 // In that case, the connection will be revived in buildTvInputListLocked called by 442 // onSomePackagesChanged. 443 serviceState.mBound = mContext.bindServiceAsUser( 444 i, serviceState.mConnection, Context.BIND_AUTO_CREATE, new UserHandle(userId)); 445 } else if (serviceState.mService != null && !maintainConnection) { 446 // This means that the service is already connected but its state indicates that we have 447 // nothing to do with it. Then, disconnect the service. 448 if (DEBUG) { 449 Slog.d(TAG, "unbindService(service=" + component + ")"); 450 } 451 mContext.unbindService(serviceState.mConnection); 452 userState.serviceStateMap.remove(component); 453 } 454 } 455 456 private ClientState createClientStateLocked(IBinder clientToken, int userId) { 457 UserState userState = getUserStateLocked(userId); 458 ClientState clientState = new ClientState(clientToken, userId); 459 try { 460 clientToken.linkToDeath(clientState, 0); 461 } catch (RemoteException e) { 462 Slog.e(TAG, "Client is already died."); 463 } 464 userState.clientStateMap.put(clientToken, clientState); 465 return clientState; 466 } 467 468 private void createSessionInternalLocked(ITvInputService service, final IBinder sessionToken, 469 final int userId) { 470 final UserState userState = getUserStateLocked(userId); 471 final SessionState sessionState = userState.sessionStateMap.get(sessionToken); 472 if (DEBUG) { 473 Slog.d(TAG, "createSessionInternalLocked(inputId=" + sessionState.mInfo.getId() + ")"); 474 } 475 476 final InputChannel[] channels = InputChannel.openInputChannelPair(sessionToken.toString()); 477 478 // Set up a callback to send the session token. 479 ITvInputSessionCallback callback = new ITvInputSessionCallback.Stub() { 480 @Override 481 public void onSessionCreated(ITvInputSession session, IBinder harewareSessionToken) { 482 if (DEBUG) { 483 Slog.d(TAG, "onSessionCreated(inputId=" + sessionState.mInfo.getId() + ")"); 484 } 485 synchronized (mLock) { 486 sessionState.mSession = session; 487 sessionState.mHardwareSessionToken = harewareSessionToken; 488 if (session == null) { 489 removeSessionStateLocked(sessionToken, userId); 490 sendSessionTokenToClientLocked(sessionState.mClient, 491 sessionState.mInfo.getId(), null, null, sessionState.mSeq); 492 } else { 493 try { 494 session.asBinder().linkToDeath(sessionState, 0); 495 } catch (RemoteException e) { 496 Slog.e(TAG, "Session is already died."); 497 } 498 499 IBinder clientToken = sessionState.mClient.asBinder(); 500 ClientState clientState = userState.clientStateMap.get(clientToken); 501 if (clientState == null) { 502 clientState = createClientStateLocked(clientToken, userId); 503 } 504 clientState.mSessionTokens.add(sessionState.mSessionToken); 505 506 sendSessionTokenToClientLocked(sessionState.mClient, 507 sessionState.mInfo.getId(), sessionToken, channels[0], 508 sessionState.mSeq); 509 } 510 channels[0].dispose(); 511 } 512 } 513 514 @Override 515 public void onChannelRetuned(Uri channelUri) { 516 synchronized (mLock) { 517 if (DEBUG) { 518 Slog.d(TAG, "onChannelRetuned(" + channelUri + ")"); 519 } 520 if (sessionState.mSession == null || sessionState.mClient == null) { 521 return; 522 } 523 try { 524 // TODO: Consider adding this channel change in the watch log. When we do 525 // that, how we can protect the watch log from malicious tv inputs should 526 // be addressed. e.g. add a field which represents where the channel change 527 // originated from. 528 sessionState.mClient.onChannelRetuned(channelUri, sessionState.mSeq); 529 } catch (RemoteException e) { 530 Slog.e(TAG, "error in onChannelRetuned"); 531 } 532 } 533 } 534 535 @Override 536 public void onTracksChanged(List<TvTrackInfo> tracks) { 537 synchronized (mLock) { 538 if (DEBUG) { 539 Slog.d(TAG, "onTracksChanged(" + tracks + ")"); 540 } 541 if (sessionState.mSession == null || sessionState.mClient == null) { 542 return; 543 } 544 try { 545 sessionState.mClient.onTracksChanged(tracks, sessionState.mSeq); 546 } catch (RemoteException e) { 547 Slog.e(TAG, "error in onTracksChanged"); 548 } 549 } 550 } 551 552 @Override 553 public void onTrackSelected(int type, String trackId) { 554 synchronized (mLock) { 555 if (DEBUG) { 556 Slog.d(TAG, "onTrackSelected(type=" + type + ", trackId=" + trackId + ")"); 557 } 558 if (sessionState.mSession == null || sessionState.mClient == null) { 559 return; 560 } 561 try { 562 sessionState.mClient.onTrackSelected(type, trackId, sessionState.mSeq); 563 } catch (RemoteException e) { 564 Slog.e(TAG, "error in onTrackSelected"); 565 } 566 } 567 } 568 569 @Override 570 public void onVideoAvailable() { 571 synchronized (mLock) { 572 if (DEBUG) { 573 Slog.d(TAG, "onVideoAvailable()"); 574 } 575 if (sessionState.mSession == null || sessionState.mClient == null) { 576 return; 577 } 578 try { 579 sessionState.mClient.onVideoAvailable(sessionState.mSeq); 580 } catch (RemoteException e) { 581 Slog.e(TAG, "error in onVideoAvailable"); 582 } 583 } 584 } 585 586 @Override 587 public void onVideoUnavailable(int reason) { 588 synchronized (mLock) { 589 if (DEBUG) { 590 Slog.d(TAG, "onVideoUnavailable(" + reason + ")"); 591 } 592 if (sessionState.mSession == null || sessionState.mClient == null) { 593 return; 594 } 595 try { 596 sessionState.mClient.onVideoUnavailable(reason, sessionState.mSeq); 597 } catch (RemoteException e) { 598 Slog.e(TAG, "error in onVideoUnavailable"); 599 } 600 } 601 } 602 603 @Override 604 public void onContentAllowed() { 605 synchronized (mLock) { 606 if (DEBUG) { 607 Slog.d(TAG, "onContentAllowed()"); 608 } 609 if (sessionState.mSession == null || sessionState.mClient == null) { 610 return; 611 } 612 try { 613 sessionState.mClient.onContentAllowed(sessionState.mSeq); 614 } catch (RemoteException e) { 615 Slog.e(TAG, "error in onContentAllowed"); 616 } 617 } 618 } 619 620 @Override 621 public void onContentBlocked(String rating) { 622 synchronized (mLock) { 623 if (DEBUG) { 624 Slog.d(TAG, "onContentBlocked()"); 625 } 626 if (sessionState.mSession == null || sessionState.mClient == null) { 627 return; 628 } 629 try { 630 sessionState.mClient.onContentBlocked(rating, sessionState.mSeq); 631 } catch (RemoteException e) { 632 Slog.e(TAG, "error in onContentBlocked"); 633 } 634 } 635 } 636 637 @Override 638 public void onLayoutSurface(int left, int top, int right, int bottom) { 639 synchronized (mLock) { 640 if (DEBUG) { 641 Slog.d(TAG, "onLayoutSurface (left=" + left + ", top=" + top 642 + ", right=" + right + ", bottom=" + bottom + ",)"); 643 } 644 if (sessionState.mSession == null || sessionState.mClient == null) { 645 return; 646 } 647 try { 648 sessionState.mClient.onLayoutSurface(left, top, right, bottom, 649 sessionState.mSeq); 650 } catch (RemoteException e) { 651 Slog.e(TAG, "error in onLayoutSurface"); 652 } 653 } 654 } 655 656 @Override 657 public void onSessionEvent(String eventType, Bundle eventArgs) { 658 synchronized (mLock) { 659 if (DEBUG) { 660 Slog.d(TAG, "onEvent(what=" + eventType + ", data=" + eventArgs + ")"); 661 } 662 if (sessionState.mSession == null || sessionState.mClient == null) { 663 return; 664 } 665 try { 666 sessionState.mClient.onSessionEvent(eventType, eventArgs, 667 sessionState.mSeq); 668 } catch (RemoteException e) { 669 Slog.e(TAG, "error in onSessionEvent"); 670 } 671 } 672 } 673 }; 674 675 // Create a session. When failed, send a null token immediately. 676 try { 677 service.createSession(channels[1], callback, sessionState.mInfo.getId()); 678 } catch (RemoteException e) { 679 Slog.e(TAG, "error in createSession", e); 680 removeSessionStateLocked(sessionToken, userId); 681 sendSessionTokenToClientLocked(sessionState.mClient, sessionState.mInfo.getId(), null, 682 null, sessionState.mSeq); 683 } 684 channels[1].dispose(); 685 } 686 687 private void sendSessionTokenToClientLocked(ITvInputClient client, String inputId, 688 IBinder sessionToken, InputChannel channel, int seq) { 689 try { 690 client.onSessionCreated(inputId, sessionToken, channel, seq); 691 } catch (RemoteException exception) { 692 Slog.e(TAG, "error in onSessionCreated", exception); 693 } 694 } 695 696 private void releaseSessionLocked(IBinder sessionToken, int callingUid, int userId) { 697 SessionState sessionState = getSessionStateLocked(sessionToken, callingUid, userId); 698 if (sessionState.mSession != null) { 699 try { 700 sessionState.mSession.release(); 701 } catch (RemoteException e) { 702 Slog.w(TAG, "session is already disapeared", e); 703 } 704 sessionState.mSession = null; 705 } 706 removeSessionStateLocked(sessionToken, userId); 707 } 708 709 private void removeSessionStateLocked(IBinder sessionToken, int userId) { 710 UserState userState = getUserStateLocked(userId); 711 if (sessionToken == userState.mainSessionToken) { 712 userState.mainSessionToken = null; 713 } 714 715 // Remove the session state from the global session state map of the current user. 716 SessionState sessionState = userState.sessionStateMap.remove(sessionToken); 717 718 // Close the open log entry, if any. 719 if (sessionState.mLogUri != null) { 720 SomeArgs args = SomeArgs.obtain(); 721 args.arg1 = sessionState.mLogUri; 722 args.arg2 = System.currentTimeMillis(); 723 mLogHandler.obtainMessage(LogHandler.MSG_CLOSE_ENTRY, args).sendToTarget(); 724 } 725 726 // Also remove the session token from the session token list of the current client and 727 // service. 728 ClientState clientState = userState.clientStateMap.get(sessionState.mClient.asBinder()); 729 if (clientState != null) { 730 clientState.mSessionTokens.remove(sessionToken); 731 if (clientState.isEmpty()) { 732 userState.clientStateMap.remove(sessionState.mClient.asBinder()); 733 } 734 } 735 736 TvInputInfo info = sessionState.mInfo; 737 if (info != null) { 738 ServiceState serviceState = userState.serviceStateMap.get(info.getComponent()); 739 if (serviceState != null) { 740 serviceState.mSessionTokens.remove(sessionToken); 741 } 742 } 743 updateServiceConnectionLocked(sessionState.mInfo.getComponent(), userId); 744 } 745 746 private void notifyInputAddedLocked(UserState userState, String inputId) { 747 if (DEBUG) { 748 Slog.d(TAG, "notifyInputAdded: inputId = " + inputId); 749 } 750 for (ITvInputManagerCallback callback : userState.callbackSet) { 751 try { 752 callback.onInputAdded(inputId); 753 } catch (RemoteException e) { 754 Slog.e(TAG, "Failed to report added input to callback."); 755 } 756 } 757 } 758 759 private void notifyInputRemovedLocked(UserState userState, String inputId) { 760 if (DEBUG) { 761 Slog.d(TAG, "notifyInputRemovedLocked: inputId = " + inputId); 762 } 763 for (ITvInputManagerCallback callback : userState.callbackSet) { 764 try { 765 callback.onInputRemoved(inputId); 766 } catch (RemoteException e) { 767 Slog.e(TAG, "Failed to report removed input to callback."); 768 } 769 } 770 } 771 772 private void notifyInputStateChangedLocked(UserState userState, String inputId, 773 int state, ITvInputManagerCallback targetCallback) { 774 if (DEBUG) { 775 Slog.d(TAG, "notifyInputStateChangedLocked: inputId = " + inputId 776 + "; state = " + state); 777 } 778 if (targetCallback == null) { 779 for (ITvInputManagerCallback callback : userState.callbackSet) { 780 try { 781 callback.onInputStateChanged(inputId, state); 782 } catch (RemoteException e) { 783 Slog.e(TAG, "Failed to report state change to callback."); 784 } 785 } 786 } else { 787 try { 788 targetCallback.onInputStateChanged(inputId, state); 789 } catch (RemoteException e) { 790 Slog.e(TAG, "Failed to report state change to callback."); 791 } 792 } 793 } 794 795 private void setStateLocked(String inputId, int state, int userId) { 796 UserState userState = getUserStateLocked(userId); 797 TvInputState inputState = userState.inputMap.get(inputId); 798 ServiceState serviceState = userState.serviceStateMap.get(inputState.mInfo.getComponent()); 799 int oldState = inputState.mState; 800 inputState.mState = state; 801 if (serviceState != null && serviceState.mService == null 802 && shouldMaintainConnection(serviceState)) { 803 // We don't notify state change while reconnecting. It should remain disconnected. 804 return; 805 } 806 if (oldState != state) { 807 notifyInputStateChangedLocked(userState, inputId, state, null); 808 } 809 } 810 811 private final class BinderService extends ITvInputManager.Stub { 812 @Override 813 public List<TvInputInfo> getTvInputList(int userId) { 814 final int resolvedUserId = resolveCallingUserId(Binder.getCallingPid(), 815 Binder.getCallingUid(), userId, "getTvInputList"); 816 final long identity = Binder.clearCallingIdentity(); 817 try { 818 synchronized (mLock) { 819 UserState userState = getUserStateLocked(resolvedUserId); 820 List<TvInputInfo> inputList = new ArrayList<TvInputInfo>(); 821 for (TvInputState state : userState.inputMap.values()) { 822 inputList.add(state.mInfo); 823 } 824 return inputList; 825 } 826 } finally { 827 Binder.restoreCallingIdentity(identity); 828 } 829 } 830 831 @Override 832 public TvInputInfo getTvInputInfo(String inputId, int userId) { 833 final int resolvedUserId = resolveCallingUserId(Binder.getCallingPid(), 834 Binder.getCallingUid(), userId, "getTvInputInfo"); 835 final long identity = Binder.clearCallingIdentity(); 836 try { 837 synchronized (mLock) { 838 UserState userState = getUserStateLocked(resolvedUserId); 839 TvInputState state = userState.inputMap.get(inputId); 840 return state == null ? null : state.mInfo; 841 } 842 } finally { 843 Binder.restoreCallingIdentity(identity); 844 } 845 } 846 847 @Override 848 public List<Uri> getTvContentRatingSystemXmls(int userId) { 849 final int resolvedUserId = resolveCallingUserId(Binder.getCallingPid(), 850 Binder.getCallingUid(), userId, "getTvContentRatingSystemXmls"); 851 final long identity = Binder.clearCallingIdentity(); 852 try { 853 synchronized (mLock) { 854 UserState userState = getUserStateLocked(resolvedUserId); 855 List<Uri> ratingSystemXmlUriList = new ArrayList<Uri>(); 856 ratingSystemXmlUriList.addAll(userState.ratingSystemXmlUriSet); 857 return ratingSystemXmlUriList; 858 } 859 } finally { 860 Binder.restoreCallingIdentity(identity); 861 } 862 } 863 864 @Override 865 public void registerCallback(final ITvInputManagerCallback callback, int userId) { 866 final int resolvedUserId = resolveCallingUserId(Binder.getCallingPid(), 867 Binder.getCallingUid(), userId, "registerCallback"); 868 final long identity = Binder.clearCallingIdentity(); 869 try { 870 synchronized (mLock) { 871 UserState userState = getUserStateLocked(resolvedUserId); 872 userState.callbackSet.add(callback); 873 for (TvInputState state : userState.inputMap.values()) { 874 notifyInputStateChangedLocked(userState, state.mInfo.getId(), 875 state.mState, callback); 876 } 877 } 878 } finally { 879 Binder.restoreCallingIdentity(identity); 880 } 881 } 882 883 @Override 884 public void unregisterCallback(ITvInputManagerCallback callback, int userId) { 885 final int resolvedUserId = resolveCallingUserId(Binder.getCallingPid(), 886 Binder.getCallingUid(), userId, "unregisterCallback"); 887 final long identity = Binder.clearCallingIdentity(); 888 try { 889 synchronized (mLock) { 890 UserState userState = getUserStateLocked(resolvedUserId); 891 userState.callbackSet.remove(callback); 892 } 893 } finally { 894 Binder.restoreCallingIdentity(identity); 895 } 896 } 897 898 @Override 899 public boolean isParentalControlsEnabled(int userId) { 900 final int resolvedUserId = resolveCallingUserId(Binder.getCallingPid(), 901 Binder.getCallingUid(), userId, "isParentalControlsEnabled"); 902 final long identity = Binder.clearCallingIdentity(); 903 try { 904 synchronized (mLock) { 905 UserState userState = getUserStateLocked(resolvedUserId); 906 return userState.persistentDataStore.isParentalControlsEnabled(); 907 } 908 } finally { 909 Binder.restoreCallingIdentity(identity); 910 } 911 } 912 913 @Override 914 public void setParentalControlsEnabled(boolean enabled, int userId) { 915 ensureParentalControlsPermission(); 916 final int resolvedUserId = resolveCallingUserId(Binder.getCallingPid(), 917 Binder.getCallingUid(), userId, "setParentalControlsEnabled"); 918 final long identity = Binder.clearCallingIdentity(); 919 try { 920 synchronized (mLock) { 921 UserState userState = getUserStateLocked(resolvedUserId); 922 userState.persistentDataStore.setParentalControlsEnabled(enabled); 923 } 924 } finally { 925 Binder.restoreCallingIdentity(identity); 926 } 927 } 928 929 @Override 930 public boolean isRatingBlocked(String rating, int userId) { 931 final int resolvedUserId = resolveCallingUserId(Binder.getCallingPid(), 932 Binder.getCallingUid(), userId, "isRatingBlocked"); 933 final long identity = Binder.clearCallingIdentity(); 934 try { 935 synchronized (mLock) { 936 UserState userState = getUserStateLocked(resolvedUserId); 937 return userState.persistentDataStore.isRatingBlocked( 938 TvContentRating.unflattenFromString(rating)); 939 } 940 } finally { 941 Binder.restoreCallingIdentity(identity); 942 } 943 } 944 945 @Override 946 public List<String> getBlockedRatings(int userId) { 947 final int resolvedUserId = resolveCallingUserId(Binder.getCallingPid(), 948 Binder.getCallingUid(), userId, "getBlockedRatings"); 949 final long identity = Binder.clearCallingIdentity(); 950 try { 951 synchronized (mLock) { 952 UserState userState = getUserStateLocked(resolvedUserId); 953 List<String> ratings = new ArrayList<String>(); 954 for (TvContentRating rating 955 : userState.persistentDataStore.getBlockedRatings()) { 956 ratings.add(rating.flattenToString()); 957 } 958 return ratings; 959 } 960 } finally { 961 Binder.restoreCallingIdentity(identity); 962 } 963 } 964 965 @Override 966 public void addBlockedRating(String rating, int userId) { 967 ensureParentalControlsPermission(); 968 final int resolvedUserId = resolveCallingUserId(Binder.getCallingPid(), 969 Binder.getCallingUid(), userId, "addBlockedRating"); 970 final long identity = Binder.clearCallingIdentity(); 971 try { 972 synchronized (mLock) { 973 UserState userState = getUserStateLocked(resolvedUserId); 974 userState.persistentDataStore.addBlockedRating( 975 TvContentRating.unflattenFromString(rating)); 976 } 977 } finally { 978 Binder.restoreCallingIdentity(identity); 979 } 980 } 981 982 @Override 983 public void removeBlockedRating(String rating, int userId) { 984 ensureParentalControlsPermission(); 985 final int resolvedUserId = resolveCallingUserId(Binder.getCallingPid(), 986 Binder.getCallingUid(), userId, "removeBlockedRating"); 987 final long identity = Binder.clearCallingIdentity(); 988 try { 989 synchronized (mLock) { 990 UserState userState = getUserStateLocked(resolvedUserId); 991 userState.persistentDataStore.removeBlockedRating( 992 TvContentRating.unflattenFromString(rating)); 993 } 994 } finally { 995 Binder.restoreCallingIdentity(identity); 996 } 997 } 998 999 private void ensureParentalControlsPermission() { 1000 if (mContext.checkCallingPermission( 1001 android.Manifest.permission.MODIFY_PARENTAL_CONTROLS) 1002 != PackageManager.PERMISSION_GRANTED) { 1003 throw new SecurityException( 1004 "The caller does not have parental controls permission"); 1005 } 1006 } 1007 1008 @Override 1009 public void createSession(final ITvInputClient client, final String inputId, 1010 int seq, int userId) { 1011 final int callingUid = Binder.getCallingUid(); 1012 final int resolvedUserId = resolveCallingUserId(Binder.getCallingPid(), callingUid, 1013 userId, "createSession"); 1014 final long identity = Binder.clearCallingIdentity(); 1015 try { 1016 synchronized (mLock) { 1017 UserState userState = getUserStateLocked(resolvedUserId); 1018 TvInputInfo info = userState.inputMap.get(inputId).mInfo; 1019 ServiceState serviceState = userState.serviceStateMap.get(info.getComponent()); 1020 if (serviceState == null) { 1021 serviceState = new ServiceState(info.getComponent(), resolvedUserId); 1022 userState.serviceStateMap.put(info.getComponent(), serviceState); 1023 } 1024 // Send a null token immediately while reconnecting. 1025 if (serviceState.mReconnecting == true) { 1026 sendSessionTokenToClientLocked(client, inputId, null, null, seq); 1027 return; 1028 } 1029 1030 // Create a new session token and a session state. 1031 IBinder sessionToken = new Binder(); 1032 SessionState sessionState = new SessionState(sessionToken, info, client, 1033 seq, callingUid, resolvedUserId); 1034 1035 // Add them to the global session state map of the current user. 1036 userState.sessionStateMap.put(sessionToken, sessionState); 1037 1038 // Also, add them to the session state map of the current service. 1039 serviceState.mSessionTokens.add(sessionToken); 1040 1041 if (serviceState.mService != null) { 1042 createSessionInternalLocked(serviceState.mService, sessionToken, 1043 resolvedUserId); 1044 } else { 1045 updateServiceConnectionLocked(info.getComponent(), resolvedUserId); 1046 } 1047 } 1048 } finally { 1049 Binder.restoreCallingIdentity(identity); 1050 } 1051 } 1052 1053 @Override 1054 public void releaseSession(IBinder sessionToken, int userId) { 1055 final int callingUid = Binder.getCallingUid(); 1056 final int resolvedUserId = resolveCallingUserId(Binder.getCallingPid(), callingUid, 1057 userId, "releaseSession"); 1058 final long identity = Binder.clearCallingIdentity(); 1059 try { 1060 synchronized (mLock) { 1061 releaseSessionLocked(sessionToken, callingUid, resolvedUserId); 1062 } 1063 } finally { 1064 Binder.restoreCallingIdentity(identity); 1065 } 1066 } 1067 1068 @Override 1069 public void setMainSession(IBinder sessionToken, int userId) { 1070 final int callingUid = Binder.getCallingUid(); 1071 final int resolvedUserId = resolveCallingUserId(Binder.getCallingPid(), callingUid, 1072 userId, "setMainSession"); 1073 final long identity = Binder.clearCallingIdentity(); 1074 try { 1075 synchronized (mLock) { 1076 UserState userState = getUserStateLocked(resolvedUserId); 1077 if (userState.mainSessionToken == sessionToken) { 1078 return; 1079 } 1080 1081 SessionState newMainSessionState = getSessionStateLocked( 1082 sessionToken, callingUid, resolvedUserId); 1083 if (newMainSessionState.mHardwareSessionToken != null) { 1084 newMainSessionState = getSessionStateLocked( 1085 newMainSessionState.mHardwareSessionToken, 1086 Process.SYSTEM_UID, resolvedUserId); 1087 } 1088 ServiceState newMainServiceState = getServiceStateLocked( 1089 newMainSessionState.mInfo.getComponent(), resolvedUserId); 1090 ITvInputSession newMainSession = getSessionLocked(newMainSessionState); 1091 1092 ServiceState oldMainServiceState = null; 1093 ITvInputSession oldMainSession = null; 1094 if (userState.mainSessionToken != null) { 1095 SessionState oldMainSessionState = getSessionStateLocked( 1096 userState.mainSessionToken, Process.SYSTEM_UID, resolvedUserId); 1097 if (oldMainSessionState.mHardwareSessionToken != null) { 1098 oldMainSessionState = getSessionStateLocked( 1099 oldMainSessionState.mHardwareSessionToken, 1100 Process.SYSTEM_UID, resolvedUserId); 1101 } 1102 oldMainServiceState = getServiceStateLocked( 1103 oldMainSessionState.mInfo.getComponent(), resolvedUserId); 1104 oldMainSession = getSessionLocked(oldMainSessionState); 1105 } 1106 1107 userState.mainSessionToken = sessionToken; 1108 1109 // Inform the new main session first. 1110 // See {@link TvInputService#onSetMainSession}. 1111 if (newMainServiceState.mIsHardware) { 1112 try { 1113 newMainSession.setMainSession(true); 1114 } catch (RemoteException e) { 1115 Slog.e(TAG, "error in setMainSession", e); 1116 } 1117 } 1118 if (oldMainSession != null && oldMainServiceState.mIsHardware) { 1119 try { 1120 oldMainSession.setMainSession(false); 1121 } catch (RemoteException e) { 1122 Slog.e(TAG, "error in setMainSession", e); 1123 } 1124 } 1125 } 1126 } finally { 1127 Binder.restoreCallingIdentity(identity); 1128 } 1129 } 1130 1131 @Override 1132 public void setSurface(IBinder sessionToken, Surface surface, int userId) { 1133 final int callingUid = Binder.getCallingUid(); 1134 final int resolvedUserId = resolveCallingUserId(Binder.getCallingPid(), callingUid, 1135 userId, "setSurface"); 1136 final long identity = Binder.clearCallingIdentity(); 1137 try { 1138 synchronized (mLock) { 1139 try { 1140 SessionState sessionState = getSessionStateLocked(sessionToken, callingUid, 1141 resolvedUserId); 1142 if (sessionState.mHardwareSessionToken == null) { 1143 getSessionLocked(sessionState).setSurface(surface); 1144 } else { 1145 getSessionLocked(sessionState.mHardwareSessionToken, 1146 Process.SYSTEM_UID, resolvedUserId).setSurface(surface); 1147 } 1148 } catch (RemoteException e) { 1149 Slog.e(TAG, "error in setSurface", e); 1150 } 1151 } 1152 } finally { 1153 if (surface != null) { 1154 // surface is not used in TvInputManagerService. 1155 surface.release(); 1156 } 1157 Binder.restoreCallingIdentity(identity); 1158 } 1159 } 1160 1161 @Override 1162 public void dispatchSurfaceChanged(IBinder sessionToken, int format, int width, 1163 int height, int userId) { 1164 final int callingUid = Binder.getCallingUid(); 1165 final int resolvedUserId = resolveCallingUserId(Binder.getCallingPid(), callingUid, 1166 userId, "dispatchSurfaceChanged"); 1167 final long identity = Binder.clearCallingIdentity(); 1168 try { 1169 synchronized (mLock) { 1170 try { 1171 SessionState sessionState = getSessionStateLocked(sessionToken, callingUid, 1172 resolvedUserId); 1173 getSessionLocked(sessionState).dispatchSurfaceChanged(format, width, height); 1174 if (sessionState.mHardwareSessionToken != null) { 1175 getSessionLocked(sessionState.mHardwareSessionToken, Process.SYSTEM_UID, 1176 resolvedUserId).dispatchSurfaceChanged(format, width, height); 1177 } 1178 } catch (RemoteException e) { 1179 Slog.e(TAG, "error in dispatchSurfaceChanged", e); 1180 } 1181 } 1182 } finally { 1183 Binder.restoreCallingIdentity(identity); 1184 } 1185 } 1186 1187 @Override 1188 public void setVolume(IBinder sessionToken, float volume, int userId) { 1189 final float REMOTE_VOLUME_ON = 1.0f; 1190 final float REMOTE_VOLUME_OFF = 0f; 1191 final int callingUid = Binder.getCallingUid(); 1192 final int resolvedUserId = resolveCallingUserId(Binder.getCallingPid(), callingUid, 1193 userId, "setVolume"); 1194 final long identity = Binder.clearCallingIdentity(); 1195 try { 1196 synchronized (mLock) { 1197 try { 1198 SessionState sessionState = getSessionStateLocked(sessionToken, callingUid, 1199 resolvedUserId); 1200 getSessionLocked(sessionState).setVolume(volume); 1201 if (sessionState.mHardwareSessionToken != null) { 1202 // Here, we let the hardware session know only whether volume is on or 1203 // off to prevent that the volume is controlled in the both side. 1204 getSessionLocked(sessionState.mHardwareSessionToken, 1205 Process.SYSTEM_UID, resolvedUserId).setVolume((volume > 0.0f) 1206 ? REMOTE_VOLUME_ON : REMOTE_VOLUME_OFF); 1207 } 1208 } catch (RemoteException e) { 1209 Slog.e(TAG, "error in setVolume", e); 1210 } 1211 } 1212 } finally { 1213 Binder.restoreCallingIdentity(identity); 1214 } 1215 } 1216 1217 @Override 1218 public void tune(IBinder sessionToken, final Uri channelUri, Bundle params, int userId) { 1219 final int callingUid = Binder.getCallingUid(); 1220 final int resolvedUserId = resolveCallingUserId(Binder.getCallingPid(), callingUid, 1221 userId, "tune"); 1222 final long identity = Binder.clearCallingIdentity(); 1223 try { 1224 synchronized (mLock) { 1225 try { 1226 getSessionLocked(sessionToken, callingUid, resolvedUserId).tune( 1227 channelUri, params); 1228 if (TvContract.isChannelUriForPassthroughTvInput(channelUri)) { 1229 // Do not log the watch history for passthrough inputs. 1230 return; 1231 } 1232 long currentTime = System.currentTimeMillis(); 1233 long channelId = ContentUris.parseId(channelUri); 1234 1235 // Close the open log entry first, if any. 1236 UserState userState = getUserStateLocked(resolvedUserId); 1237 SessionState sessionState = userState.sessionStateMap.get(sessionToken); 1238 if (sessionState.mLogUri != null) { 1239 SomeArgs args = SomeArgs.obtain(); 1240 args.arg1 = sessionState.mLogUri; 1241 args.arg2 = currentTime; 1242 mLogHandler.obtainMessage(LogHandler.MSG_CLOSE_ENTRY, args) 1243 .sendToTarget(); 1244 } 1245 1246 // Create a log entry and fill it later. 1247 String packageName = sessionState.mInfo.getServiceInfo().packageName; 1248 ContentValues values = new ContentValues(); 1249 values.put(TvContract.WatchedPrograms.COLUMN_PACKAGE_NAME, packageName); 1250 values.put(TvContract.WatchedPrograms.COLUMN_WATCH_START_TIME_UTC_MILLIS, 1251 currentTime); 1252 values.put(TvContract.WatchedPrograms.COLUMN_WATCH_END_TIME_UTC_MILLIS, 0); 1253 values.put(TvContract.WatchedPrograms.COLUMN_CHANNEL_ID, channelId); 1254 if (params != null) { 1255 values.put(TvContract.WatchedPrograms.COLUMN_TUNE_PARAMS, 1256 encodeTuneParams(params)); 1257 } 1258 1259 sessionState.mLogUri = mContentResolver.insert( 1260 TvContract.WatchedPrograms.CONTENT_URI, values); 1261 SomeArgs args = SomeArgs.obtain(); 1262 args.arg1 = sessionState.mLogUri; 1263 args.arg2 = ContentUris.parseId(channelUri); 1264 args.arg3 = currentTime; 1265 mLogHandler.obtainMessage(LogHandler.MSG_OPEN_ENTRY, args).sendToTarget(); 1266 } catch (RemoteException e) { 1267 Slog.e(TAG, "error in tune", e); 1268 return; 1269 } 1270 } 1271 } finally { 1272 Binder.restoreCallingIdentity(identity); 1273 } 1274 } 1275 1276 @Override 1277 public void requestUnblockContent( 1278 IBinder sessionToken, String unblockedRating, int userId) { 1279 final int callingUid = Binder.getCallingUid(); 1280 final int resolvedUserId = resolveCallingUserId(Binder.getCallingPid(), callingUid, 1281 userId, "unblockContent"); 1282 final long identity = Binder.clearCallingIdentity(); 1283 try { 1284 synchronized (mLock) { 1285 try { 1286 getSessionLocked(sessionToken, callingUid, resolvedUserId) 1287 .requestUnblockContent(unblockedRating); 1288 } catch (RemoteException e) { 1289 Slog.e(TAG, "error in unblockContent", e); 1290 } 1291 } 1292 } finally { 1293 Binder.restoreCallingIdentity(identity); 1294 } 1295 } 1296 1297 @Override 1298 public void setCaptionEnabled(IBinder sessionToken, boolean enabled, int userId) { 1299 final int callingUid = Binder.getCallingUid(); 1300 final int resolvedUserId = resolveCallingUserId(Binder.getCallingPid(), callingUid, 1301 userId, "setCaptionEnabled"); 1302 final long identity = Binder.clearCallingIdentity(); 1303 try { 1304 synchronized (mLock) { 1305 try { 1306 getSessionLocked(sessionToken, callingUid, resolvedUserId) 1307 .setCaptionEnabled(enabled); 1308 } catch (RemoteException e) { 1309 Slog.e(TAG, "error in setCaptionEnabled", e); 1310 } 1311 } 1312 } finally { 1313 Binder.restoreCallingIdentity(identity); 1314 } 1315 } 1316 1317 @Override 1318 public void selectTrack(IBinder sessionToken, int type, String trackId, int userId) { 1319 final int callingUid = Binder.getCallingUid(); 1320 final int resolvedUserId = resolveCallingUserId(Binder.getCallingPid(), callingUid, 1321 userId, "selectTrack"); 1322 final long identity = Binder.clearCallingIdentity(); 1323 try { 1324 synchronized (mLock) { 1325 try { 1326 getSessionLocked(sessionToken, callingUid, resolvedUserId).selectTrack( 1327 type, trackId); 1328 } catch (RemoteException e) { 1329 Slog.e(TAG, "error in selectTrack", e); 1330 } 1331 } 1332 } finally { 1333 Binder.restoreCallingIdentity(identity); 1334 } 1335 } 1336 1337 @Override 1338 public void sendAppPrivateCommand(IBinder sessionToken, String command, Bundle data, 1339 int userId) { 1340 final int callingUid = Binder.getCallingUid(); 1341 final int resolvedUserId = resolveCallingUserId(Binder.getCallingPid(), callingUid, 1342 userId, "sendAppPrivateCommand"); 1343 final long identity = Binder.clearCallingIdentity(); 1344 try { 1345 synchronized (mLock) { 1346 try { 1347 getSessionLocked(sessionToken, callingUid, resolvedUserId) 1348 .appPrivateCommand(command, data); 1349 } catch (RemoteException e) { 1350 Slog.e(TAG, "error in sendAppPrivateCommand", e); 1351 } 1352 } 1353 } finally { 1354 Binder.restoreCallingIdentity(identity); 1355 } 1356 } 1357 1358 @Override 1359 public void createOverlayView(IBinder sessionToken, IBinder windowToken, Rect frame, 1360 int userId) { 1361 final int callingUid = Binder.getCallingUid(); 1362 final int resolvedUserId = resolveCallingUserId(Binder.getCallingPid(), callingUid, 1363 userId, "createOverlayView"); 1364 final long identity = Binder.clearCallingIdentity(); 1365 try { 1366 synchronized (mLock) { 1367 try { 1368 getSessionLocked(sessionToken, callingUid, resolvedUserId) 1369 .createOverlayView(windowToken, frame); 1370 } catch (RemoteException e) { 1371 Slog.e(TAG, "error in createOverlayView", e); 1372 } 1373 } 1374 } finally { 1375 Binder.restoreCallingIdentity(identity); 1376 } 1377 } 1378 1379 @Override 1380 public void relayoutOverlayView(IBinder sessionToken, Rect frame, int userId) { 1381 final int callingUid = Binder.getCallingUid(); 1382 final int resolvedUserId = resolveCallingUserId(Binder.getCallingPid(), callingUid, 1383 userId, "relayoutOverlayView"); 1384 final long identity = Binder.clearCallingIdentity(); 1385 try { 1386 synchronized (mLock) { 1387 try { 1388 getSessionLocked(sessionToken, callingUid, resolvedUserId) 1389 .relayoutOverlayView(frame); 1390 } catch (RemoteException e) { 1391 Slog.e(TAG, "error in relayoutOverlayView", e); 1392 } 1393 } 1394 } finally { 1395 Binder.restoreCallingIdentity(identity); 1396 } 1397 } 1398 1399 @Override 1400 public void removeOverlayView(IBinder sessionToken, int userId) { 1401 final int callingUid = Binder.getCallingUid(); 1402 final int resolvedUserId = resolveCallingUserId(Binder.getCallingPid(), callingUid, 1403 userId, "removeOverlayView"); 1404 final long identity = Binder.clearCallingIdentity(); 1405 try { 1406 synchronized (mLock) { 1407 try { 1408 getSessionLocked(sessionToken, callingUid, resolvedUserId) 1409 .removeOverlayView(); 1410 } catch (RemoteException e) { 1411 Slog.e(TAG, "error in removeOverlayView", e); 1412 } 1413 } 1414 } finally { 1415 Binder.restoreCallingIdentity(identity); 1416 } 1417 } 1418 1419 @Override 1420 public List<TvInputHardwareInfo> getHardwareList() throws RemoteException { 1421 if (mContext.checkCallingPermission(android.Manifest.permission.TV_INPUT_HARDWARE) 1422 != PackageManager.PERMISSION_GRANTED) { 1423 return null; 1424 } 1425 1426 final long identity = Binder.clearCallingIdentity(); 1427 try { 1428 return mTvInputHardwareManager.getHardwareList(); 1429 } finally { 1430 Binder.restoreCallingIdentity(identity); 1431 } 1432 } 1433 1434 @Override 1435 public ITvInputHardware acquireTvInputHardware(int deviceId, 1436 ITvInputHardwareCallback callback, TvInputInfo info, int userId) 1437 throws RemoteException { 1438 if (mContext.checkCallingPermission(android.Manifest.permission.TV_INPUT_HARDWARE) 1439 != PackageManager.PERMISSION_GRANTED) { 1440 return null; 1441 } 1442 1443 final long identity = Binder.clearCallingIdentity(); 1444 final int callingUid = Binder.getCallingUid(); 1445 final int resolvedUserId = resolveCallingUserId(Binder.getCallingPid(), callingUid, 1446 userId, "acquireTvInputHardware"); 1447 try { 1448 return mTvInputHardwareManager.acquireHardware( 1449 deviceId, callback, info, callingUid, resolvedUserId); 1450 } finally { 1451 Binder.restoreCallingIdentity(identity); 1452 } 1453 } 1454 1455 @Override 1456 public void releaseTvInputHardware(int deviceId, ITvInputHardware hardware, int userId) 1457 throws RemoteException { 1458 if (mContext.checkCallingPermission(android.Manifest.permission.TV_INPUT_HARDWARE) 1459 != PackageManager.PERMISSION_GRANTED) { 1460 return; 1461 } 1462 1463 final long identity = Binder.clearCallingIdentity(); 1464 final int callingUid = Binder.getCallingUid(); 1465 final int resolvedUserId = resolveCallingUserId(Binder.getCallingPid(), callingUid, 1466 userId, "releaseTvInputHardware"); 1467 try { 1468 mTvInputHardwareManager.releaseHardware( 1469 deviceId, hardware, callingUid, resolvedUserId); 1470 } finally { 1471 Binder.restoreCallingIdentity(identity); 1472 } 1473 } 1474 1475 @Override 1476 public List<TvStreamConfig> getAvailableTvStreamConfigList(String inputId, int userId) 1477 throws RemoteException { 1478 if (mContext.checkCallingPermission( 1479 android.Manifest.permission.CAPTURE_TV_INPUT) 1480 != PackageManager.PERMISSION_GRANTED) { 1481 throw new SecurityException("Requires CAPTURE_TV_INPUT permission"); 1482 } 1483 1484 final long identity = Binder.clearCallingIdentity(); 1485 final int callingUid = Binder.getCallingUid(); 1486 final int resolvedUserId = resolveCallingUserId(Binder.getCallingPid(), callingUid, 1487 userId, "getAvailableTvStreamConfigList"); 1488 try { 1489 return mTvInputHardwareManager.getAvailableTvStreamConfigList( 1490 inputId, callingUid, resolvedUserId); 1491 } finally { 1492 Binder.restoreCallingIdentity(identity); 1493 } 1494 } 1495 1496 @Override 1497 public boolean captureFrame(String inputId, Surface surface, TvStreamConfig config, 1498 int userId) 1499 throws RemoteException { 1500 if (mContext.checkCallingPermission( 1501 android.Manifest.permission.CAPTURE_TV_INPUT) 1502 != PackageManager.PERMISSION_GRANTED) { 1503 throw new SecurityException("Requires CAPTURE_TV_INPUT permission"); 1504 } 1505 1506 final long identity = Binder.clearCallingIdentity(); 1507 final int callingUid = Binder.getCallingUid(); 1508 final int resolvedUserId = resolveCallingUserId(Binder.getCallingPid(), callingUid, 1509 userId, "captureFrame"); 1510 try { 1511 String hardwareInputId = null; 1512 synchronized (mLock) { 1513 UserState userState = getUserStateLocked(resolvedUserId); 1514 if (userState.inputMap.get(inputId) == null) { 1515 Slog.e(TAG, "Input not found for " + inputId); 1516 return false; 1517 } 1518 for (SessionState sessionState : userState.sessionStateMap.values()) { 1519 if (sessionState.mInfo.getId().equals(inputId) 1520 && sessionState.mHardwareSessionToken != null) { 1521 hardwareInputId = userState.sessionStateMap.get( 1522 sessionState.mHardwareSessionToken).mInfo.getId(); 1523 break; 1524 } 1525 } 1526 } 1527 return mTvInputHardwareManager.captureFrame( 1528 (hardwareInputId != null) ? hardwareInputId : inputId, 1529 surface, config, callingUid, resolvedUserId); 1530 } finally { 1531 Binder.restoreCallingIdentity(identity); 1532 } 1533 } 1534 1535 @Override 1536 public boolean isSingleSessionActive(int userId) throws RemoteException { 1537 final long identity = Binder.clearCallingIdentity(); 1538 final int callingUid = Binder.getCallingUid(); 1539 final int resolvedUserId = resolveCallingUserId(Binder.getCallingPid(), callingUid, 1540 userId, "isSingleSessionActive"); 1541 try { 1542 synchronized (mLock) { 1543 UserState userState = getUserStateLocked(resolvedUserId); 1544 if (userState.sessionStateMap.size() == 1) { 1545 return true; 1546 } 1547 else if (userState.sessionStateMap.size() == 2) { 1548 SessionState[] sessionStates = userState.sessionStateMap.values().toArray( 1549 new SessionState[0]); 1550 // Check if there is a wrapper input. 1551 if (sessionStates[0].mHardwareSessionToken != null 1552 || sessionStates[1].mHardwareSessionToken != null) { 1553 return true; 1554 } 1555 } 1556 return false; 1557 } 1558 } finally { 1559 Binder.restoreCallingIdentity(identity); 1560 } 1561 } 1562 1563 @Override 1564 @SuppressWarnings("resource") 1565 protected void dump(FileDescriptor fd, final PrintWriter writer, String[] args) { 1566 final IndentingPrintWriter pw = new IndentingPrintWriter(writer, " "); 1567 if (mContext.checkCallingOrSelfPermission(android.Manifest.permission.DUMP) 1568 != PackageManager.PERMISSION_GRANTED) { 1569 pw.println("Permission Denial: can't dump TvInputManager from pid=" 1570 + Binder.getCallingPid() + ", uid=" + Binder.getCallingUid()); 1571 return; 1572 } 1573 1574 synchronized (mLock) { 1575 pw.println("User Ids (Current user: " + mCurrentUserId + "):"); 1576 pw.increaseIndent(); 1577 for (int i = 0; i < mUserStates.size(); i++) { 1578 int userId = mUserStates.keyAt(i); 1579 pw.println(Integer.valueOf(userId)); 1580 } 1581 pw.decreaseIndent(); 1582 1583 for (int i = 0; i < mUserStates.size(); i++) { 1584 int userId = mUserStates.keyAt(i); 1585 UserState userState = getUserStateLocked(userId); 1586 pw.println("UserState (" + userId + "):"); 1587 pw.increaseIndent(); 1588 1589 pw.println("inputMap: inputId -> TvInputState"); 1590 pw.increaseIndent(); 1591 for (Map.Entry<String, TvInputState> entry: userState.inputMap.entrySet()) { 1592 pw.println(entry.getKey() + ": " + entry.getValue()); 1593 } 1594 pw.decreaseIndent(); 1595 1596 pw.println("packageSet:"); 1597 pw.increaseIndent(); 1598 for (String packageName : userState.packageSet) { 1599 pw.println(packageName); 1600 } 1601 pw.decreaseIndent(); 1602 1603 pw.println("clientStateMap: ITvInputClient -> ClientState"); 1604 pw.increaseIndent(); 1605 for (Map.Entry<IBinder, ClientState> entry : 1606 userState.clientStateMap.entrySet()) { 1607 ClientState client = entry.getValue(); 1608 pw.println(entry.getKey() + ": " + client); 1609 1610 pw.increaseIndent(); 1611 1612 pw.println("mSessionTokens:"); 1613 pw.increaseIndent(); 1614 for (IBinder token : client.mSessionTokens) { 1615 pw.println("" + token); 1616 } 1617 pw.decreaseIndent(); 1618 1619 pw.println("mClientTokens: " + client.mClientToken); 1620 pw.println("mUserId: " + client.mUserId); 1621 1622 pw.decreaseIndent(); 1623 } 1624 pw.decreaseIndent(); 1625 1626 pw.println("serviceStateMap: ComponentName -> ServiceState"); 1627 pw.increaseIndent(); 1628 for (Map.Entry<ComponentName, ServiceState> entry : 1629 userState.serviceStateMap.entrySet()) { 1630 ServiceState service = entry.getValue(); 1631 pw.println(entry.getKey() + ": " + service); 1632 1633 pw.increaseIndent(); 1634 1635 pw.println("mClientTokens:"); 1636 pw.increaseIndent(); 1637 for (IBinder token : service.mClientTokens) { 1638 pw.println("" + token); 1639 } 1640 pw.decreaseIndent(); 1641 1642 pw.println("mSessionTokens:"); 1643 pw.increaseIndent(); 1644 for (IBinder token : service.mSessionTokens) { 1645 pw.println("" + token); 1646 } 1647 pw.decreaseIndent(); 1648 1649 pw.println("mService: " + service.mService); 1650 pw.println("mCallback: " + service.mCallback); 1651 pw.println("mBound: " + service.mBound); 1652 pw.println("mReconnecting: " + service.mReconnecting); 1653 1654 pw.decreaseIndent(); 1655 } 1656 pw.decreaseIndent(); 1657 1658 pw.println("sessionStateMap: ITvInputSession -> SessionState"); 1659 pw.increaseIndent(); 1660 for (Map.Entry<IBinder, SessionState> entry : 1661 userState.sessionStateMap.entrySet()) { 1662 SessionState session = entry.getValue(); 1663 pw.println(entry.getKey() + ": " + session); 1664 1665 pw.increaseIndent(); 1666 pw.println("mInfo: " + session.mInfo); 1667 pw.println("mClient: " + session.mClient); 1668 pw.println("mSeq: " + session.mSeq); 1669 pw.println("mCallingUid: " + session.mCallingUid); 1670 pw.println("mUserId: " + session.mUserId); 1671 pw.println("mSessionToken: " + session.mSessionToken); 1672 pw.println("mSession: " + session.mSession); 1673 pw.println("mLogUri: " + session.mLogUri); 1674 pw.println("mHardwareSessionToken: " + session.mHardwareSessionToken); 1675 pw.decreaseIndent(); 1676 } 1677 pw.decreaseIndent(); 1678 1679 pw.println("callbackSet:"); 1680 pw.increaseIndent(); 1681 for (ITvInputManagerCallback callback : userState.callbackSet) { 1682 pw.println(callback.toString()); 1683 } 1684 pw.decreaseIndent(); 1685 1686 pw.println("mainSessionToken: " + userState.mainSessionToken); 1687 pw.decreaseIndent(); 1688 } 1689 } 1690 } 1691 1692 private String encodeTuneParams(Bundle tuneParams) { 1693 StringBuilder builder = new StringBuilder(); 1694 Set<String> keySet = tuneParams.keySet(); 1695 Iterator<String> it = keySet.iterator(); 1696 while (it.hasNext()) { 1697 String key = it.next(); 1698 Object value = tuneParams.get(key); 1699 if (value == null) { 1700 continue; 1701 } 1702 builder.append(replaceEscapeCharacters(key)); 1703 builder.append("="); 1704 builder.append(replaceEscapeCharacters(value.toString())); 1705 if (it.hasNext()) { 1706 builder.append(", "); 1707 } 1708 } 1709 return builder.toString(); 1710 } 1711 1712 private String replaceEscapeCharacters(String src) { 1713 final char ESCAPE_CHARACTER = '%'; 1714 final String ENCODING_TARGET_CHARACTERS = "%=,"; 1715 StringBuilder builder = new StringBuilder(); 1716 for (char ch : src.toCharArray()) { 1717 if (ENCODING_TARGET_CHARACTERS.indexOf(ch) >= 0) { 1718 builder.append(ESCAPE_CHARACTER); 1719 } 1720 builder.append(ch); 1721 } 1722 return builder.toString(); 1723 } 1724 } 1725 1726 private static final class TvInputState { 1727 // A TvInputInfo object which represents the TV input. 1728 private TvInputInfo mInfo; 1729 1730 // The state of TV input. Connected by default. 1731 private int mState = INPUT_STATE_CONNECTED; 1732 1733 @Override 1734 public String toString() { 1735 return "mInfo: " + mInfo + "; mState: " + mState; 1736 } 1737 } 1738 1739 private static final class UserState { 1740 // A mapping from the TV input id to its TvInputState. 1741 private Map<String, TvInputState> inputMap = new HashMap<String, TvInputState>(); 1742 1743 // A set of all TV input packages. 1744 private final Set<String> packageSet = new HashSet<String>(); 1745 1746 // A set of all TV content rating system xml uris. 1747 private final Set<Uri> ratingSystemXmlUriSet = new HashSet<Uri>(); 1748 1749 // A mapping from the token of a client to its state. 1750 private final Map<IBinder, ClientState> clientStateMap = 1751 new HashMap<IBinder, ClientState>(); 1752 1753 // A mapping from the name of a TV input service to its state. 1754 private final Map<ComponentName, ServiceState> serviceStateMap = 1755 new HashMap<ComponentName, ServiceState>(); 1756 1757 // A mapping from the token of a TV input session to its state. 1758 private final Map<IBinder, SessionState> sessionStateMap = 1759 new HashMap<IBinder, SessionState>(); 1760 1761 // A set of callbacks. 1762 private final Set<ITvInputManagerCallback> callbackSet = 1763 new HashSet<ITvInputManagerCallback>(); 1764 1765 // The token of a "main" TV input session. 1766 private IBinder mainSessionToken = null; 1767 1768 // Persistent data store for all internal settings maintained by the TV input manager 1769 // service. 1770 private final PersistentDataStore persistentDataStore; 1771 1772 private UserState(Context context, int userId) { 1773 persistentDataStore = new PersistentDataStore(context, userId); 1774 } 1775 } 1776 1777 private final class ClientState implements IBinder.DeathRecipient { 1778 private final List<IBinder> mSessionTokens = new ArrayList<IBinder>(); 1779 1780 private IBinder mClientToken; 1781 private final int mUserId; 1782 1783 ClientState(IBinder clientToken, int userId) { 1784 mClientToken = clientToken; 1785 mUserId = userId; 1786 } 1787 1788 public boolean isEmpty() { 1789 return mSessionTokens.isEmpty(); 1790 } 1791 1792 @Override 1793 public void binderDied() { 1794 synchronized (mLock) { 1795 UserState userState = getUserStateLocked(mUserId); 1796 // DO NOT remove the client state of clientStateMap in this method. It will be 1797 // removed in releaseSessionLocked(). 1798 ClientState clientState = userState.clientStateMap.get(mClientToken); 1799 if (clientState != null) { 1800 while (clientState.mSessionTokens.size() > 0) { 1801 releaseSessionLocked( 1802 clientState.mSessionTokens.get(0), Process.SYSTEM_UID, mUserId); 1803 } 1804 } 1805 mClientToken = null; 1806 } 1807 } 1808 } 1809 1810 private final class ServiceState { 1811 private final List<IBinder> mClientTokens = new ArrayList<IBinder>(); 1812 private final List<IBinder> mSessionTokens = new ArrayList<IBinder>(); 1813 private final ServiceConnection mConnection; 1814 private final ComponentName mComponent; 1815 private final boolean mIsHardware; 1816 private final List<TvInputInfo> mInputList = new ArrayList<TvInputInfo>(); 1817 1818 private ITvInputService mService; 1819 private ServiceCallback mCallback; 1820 private boolean mBound; 1821 private boolean mReconnecting; 1822 1823 private ServiceState(ComponentName component, int userId) { 1824 mComponent = component; 1825 mConnection = new InputServiceConnection(component, userId); 1826 mIsHardware = hasHardwarePermission(mContext.getPackageManager(), mComponent); 1827 } 1828 } 1829 1830 private final class SessionState implements IBinder.DeathRecipient { 1831 private final TvInputInfo mInfo; 1832 private final ITvInputClient mClient; 1833 private final int mSeq; 1834 private final int mCallingUid; 1835 private final int mUserId; 1836 private final IBinder mSessionToken; 1837 private ITvInputSession mSession; 1838 private Uri mLogUri; 1839 // Not null if this session represents an external device connected to a hardware TV input. 1840 private IBinder mHardwareSessionToken; 1841 1842 private SessionState(IBinder sessionToken, TvInputInfo info, ITvInputClient client, 1843 int seq, int callingUid, int userId) { 1844 mSessionToken = sessionToken; 1845 mInfo = info; 1846 mClient = client; 1847 mSeq = seq; 1848 mCallingUid = callingUid; 1849 mUserId = userId; 1850 } 1851 1852 @Override 1853 public void binderDied() { 1854 synchronized (mLock) { 1855 mSession = null; 1856 if (mClient != null) { 1857 try { 1858 mClient.onSessionReleased(mSeq); 1859 } catch(RemoteException e) { 1860 Slog.e(TAG, "error in onSessionReleased", e); 1861 } 1862 } 1863 // If there are any other sessions based on this session, they should be released. 1864 UserState userState = getUserStateLocked(mUserId); 1865 for (SessionState sessionState : userState.sessionStateMap.values()) { 1866 if (mSession != null && mSession == sessionState.mHardwareSessionToken) { 1867 try { 1868 sessionState.mSession.release(); 1869 } catch (RemoteException e) { 1870 Slog.e(TAG, "error in release", e); 1871 } 1872 try { 1873 sessionState.mClient.onSessionReleased(sessionState.mSeq); 1874 } catch (RemoteException e) { 1875 Slog.e(TAG, "error in onSessionReleased", e); 1876 } 1877 } 1878 } 1879 removeSessionStateLocked(mSessionToken, mUserId); 1880 } 1881 } 1882 } 1883 1884 private final class InputServiceConnection implements ServiceConnection { 1885 private final ComponentName mComponent; 1886 private final int mUserId; 1887 1888 private InputServiceConnection(ComponentName component, int userId) { 1889 mComponent = component; 1890 mUserId = userId; 1891 } 1892 1893 @Override 1894 public void onServiceConnected(ComponentName component, IBinder service) { 1895 if (DEBUG) { 1896 Slog.d(TAG, "onServiceConnected(component=" + component + ")"); 1897 } 1898 synchronized (mLock) { 1899 UserState userState = getUserStateLocked(mUserId); 1900 ServiceState serviceState = userState.serviceStateMap.get(mComponent); 1901 serviceState.mService = ITvInputService.Stub.asInterface(service); 1902 1903 // Register a callback, if we need to. 1904 if (serviceState.mIsHardware && serviceState.mCallback == null) { 1905 serviceState.mCallback = new ServiceCallback(mComponent, mUserId); 1906 try { 1907 serviceState.mService.registerCallback(serviceState.mCallback); 1908 } catch (RemoteException e) { 1909 Slog.e(TAG, "error in registerCallback", e); 1910 } 1911 } 1912 1913 // And create sessions, if any. 1914 for (IBinder sessionToken : serviceState.mSessionTokens) { 1915 createSessionInternalLocked(serviceState.mService, sessionToken, mUserId); 1916 } 1917 1918 for (TvInputState inputState : userState.inputMap.values()) { 1919 if (inputState.mInfo.getComponent().equals(component) 1920 && inputState.mState != INPUT_STATE_DISCONNECTED) { 1921 notifyInputStateChangedLocked(userState, inputState.mInfo.getId(), 1922 inputState.mState, null); 1923 } 1924 } 1925 1926 if (serviceState.mIsHardware) { 1927 List<TvInputHardwareInfo> hardwareInfoList = 1928 mTvInputHardwareManager.getHardwareList(); 1929 for (TvInputHardwareInfo hardwareInfo : hardwareInfoList) { 1930 try { 1931 serviceState.mService.notifyHardwareAdded(hardwareInfo); 1932 } catch (RemoteException e) { 1933 Slog.e(TAG, "error in notifyHardwareAdded", e); 1934 } 1935 } 1936 1937 List<HdmiDeviceInfo> cecDeviceInfoList = 1938 mTvInputHardwareManager.getHdmiCecInputDeviceList(); 1939 for (HdmiDeviceInfo cecDeviceInfo : cecDeviceInfoList) { 1940 try { 1941 serviceState.mService.notifyHdmiCecDeviceAdded(cecDeviceInfo); 1942 } catch (RemoteException e) { 1943 Slog.e(TAG, "error in notifyHdmiCecDeviceAdded", e); 1944 } 1945 } 1946 } 1947 } 1948 } 1949 1950 @Override 1951 public void onServiceDisconnected(ComponentName component) { 1952 if (DEBUG) { 1953 Slog.d(TAG, "onServiceDisconnected(component=" + component + ")"); 1954 } 1955 if (!mComponent.equals(component)) { 1956 throw new IllegalArgumentException("Mismatched ComponentName: " 1957 + mComponent + " (expected), " + component + " (actual)."); 1958 } 1959 synchronized (mLock) { 1960 UserState userState = getUserStateLocked(mUserId); 1961 ServiceState serviceState = userState.serviceStateMap.get(mComponent); 1962 if (serviceState != null) { 1963 serviceState.mReconnecting = true; 1964 serviceState.mBound = false; 1965 serviceState.mService = null; 1966 serviceState.mCallback = null; 1967 1968 // Send null tokens for not finishing create session events. 1969 for (IBinder sessionToken : serviceState.mSessionTokens) { 1970 SessionState sessionState = userState.sessionStateMap.get(sessionToken); 1971 if (sessionState.mSession == null) { 1972 removeSessionStateLocked(sessionToken, sessionState.mUserId); 1973 sendSessionTokenToClientLocked(sessionState.mClient, 1974 sessionState.mInfo.getId(), null, null, sessionState.mSeq); 1975 } 1976 } 1977 1978 for (TvInputState inputState : userState.inputMap.values()) { 1979 if (inputState.mInfo.getComponent().equals(component)) { 1980 notifyInputStateChangedLocked(userState, inputState.mInfo.getId(), 1981 INPUT_STATE_DISCONNECTED, null); 1982 } 1983 } 1984 updateServiceConnectionLocked(mComponent, mUserId); 1985 } 1986 } 1987 } 1988 } 1989 1990 private final class ServiceCallback extends ITvInputServiceCallback.Stub { 1991 private final ComponentName mComponent; 1992 private final int mUserId; 1993 1994 ServiceCallback(ComponentName component, int userId) { 1995 mComponent = component; 1996 mUserId = userId; 1997 } 1998 1999 private void ensureHardwarePermission() { 2000 if (mContext.checkCallingPermission(android.Manifest.permission.TV_INPUT_HARDWARE) 2001 != PackageManager.PERMISSION_GRANTED) { 2002 throw new SecurityException("The caller does not have hardware permission"); 2003 } 2004 } 2005 2006 private void ensureValidInput(TvInputInfo inputInfo) { 2007 if (inputInfo.getId() == null || !mComponent.equals(inputInfo.getComponent())) { 2008 throw new IllegalArgumentException("Invalid TvInputInfo"); 2009 } 2010 } 2011 2012 private void addTvInputLocked(TvInputInfo inputInfo) { 2013 ServiceState serviceState = getServiceStateLocked(mComponent, mUserId); 2014 serviceState.mInputList.add(inputInfo); 2015 buildTvInputListLocked(mUserId); 2016 } 2017 2018 @Override 2019 public void addHardwareTvInput(int deviceId, TvInputInfo inputInfo) { 2020 ensureHardwarePermission(); 2021 ensureValidInput(inputInfo); 2022 synchronized (mLock) { 2023 mTvInputHardwareManager.addHardwareTvInput(deviceId, inputInfo); 2024 addTvInputLocked(inputInfo); 2025 } 2026 } 2027 2028 @Override 2029 public void addHdmiCecTvInput(int logicalAddress, TvInputInfo inputInfo) { 2030 ensureHardwarePermission(); 2031 ensureValidInput(inputInfo); 2032 synchronized (mLock) { 2033 mTvInputHardwareManager.addHdmiCecTvInput(logicalAddress, inputInfo); 2034 addTvInputLocked(inputInfo); 2035 } 2036 } 2037 2038 @Override 2039 public void removeTvInput(String inputId) { 2040 ensureHardwarePermission(); 2041 synchronized (mLock) { 2042 ServiceState serviceState = getServiceStateLocked(mComponent, mUserId); 2043 boolean removed = false; 2044 for (Iterator<TvInputInfo> it = serviceState.mInputList.iterator(); 2045 it.hasNext(); ) { 2046 if (it.next().getId().equals(inputId)) { 2047 it.remove(); 2048 removed = true; 2049 break; 2050 } 2051 } 2052 if (removed) { 2053 buildTvInputListLocked(mUserId); 2054 mTvInputHardwareManager.removeTvInput(inputId); 2055 } else { 2056 Slog.e(TAG, "TvInputInfo with inputId=" + inputId + " not found."); 2057 } 2058 } 2059 } 2060 } 2061 2062 private final class LogHandler extends Handler { 2063 private static final int MSG_OPEN_ENTRY = 1; 2064 private static final int MSG_UPDATE_ENTRY = 2; 2065 private static final int MSG_CLOSE_ENTRY = 3; 2066 2067 public LogHandler(Looper looper) { 2068 super(looper); 2069 } 2070 2071 @Override 2072 public void handleMessage(Message msg) { 2073 switch (msg.what) { 2074 case MSG_OPEN_ENTRY: { 2075 SomeArgs args = (SomeArgs) msg.obj; 2076 Uri uri = (Uri) args.arg1; 2077 long channelId = (long) args.arg2; 2078 long time = (long) args.arg3; 2079 onOpenEntry(uri, channelId, time); 2080 args.recycle(); 2081 return; 2082 } 2083 case MSG_UPDATE_ENTRY: { 2084 SomeArgs args = (SomeArgs) msg.obj; 2085 Uri uri = (Uri) args.arg1; 2086 long channelId = (long) args.arg2; 2087 long time = (long) args.arg3; 2088 onUpdateEntry(uri, channelId, time); 2089 args.recycle(); 2090 return; 2091 } 2092 case MSG_CLOSE_ENTRY: { 2093 SomeArgs args = (SomeArgs) msg.obj; 2094 Uri uri = (Uri) args.arg1; 2095 long time = (long) args.arg2; 2096 onCloseEntry(uri, time); 2097 args.recycle(); 2098 return; 2099 } 2100 default: { 2101 Slog.w(TAG, "Unhandled message code: " + msg.what); 2102 return; 2103 } 2104 } 2105 } 2106 2107 private void onOpenEntry(Uri uri, long channelId, long watchStarttime) { 2108 String[] projection = { 2109 TvContract.Programs.COLUMN_TITLE, 2110 TvContract.Programs.COLUMN_START_TIME_UTC_MILLIS, 2111 TvContract.Programs.COLUMN_END_TIME_UTC_MILLIS, 2112 TvContract.Programs.COLUMN_SHORT_DESCRIPTION 2113 }; 2114 String selection = TvContract.Programs.COLUMN_CHANNEL_ID + "=? AND " 2115 + TvContract.Programs.COLUMN_START_TIME_UTC_MILLIS + "<=? AND " 2116 + TvContract.Programs.COLUMN_END_TIME_UTC_MILLIS + ">?"; 2117 String[] selectionArgs = { 2118 String.valueOf(channelId), 2119 String.valueOf(watchStarttime), 2120 String.valueOf(watchStarttime) 2121 }; 2122 String sortOrder = TvContract.Programs.COLUMN_START_TIME_UTC_MILLIS + " ASC"; 2123 Cursor cursor = null; 2124 try { 2125 cursor = mContentResolver.query(TvContract.Programs.CONTENT_URI, projection, 2126 selection, selectionArgs, sortOrder); 2127 if (cursor != null && cursor.moveToNext()) { 2128 ContentValues values = new ContentValues(); 2129 values.put(TvContract.WatchedPrograms.COLUMN_TITLE, cursor.getString(0)); 2130 values.put(TvContract.WatchedPrograms.COLUMN_START_TIME_UTC_MILLIS, 2131 cursor.getLong(1)); 2132 long endTime = cursor.getLong(2); 2133 values.put(TvContract.WatchedPrograms.COLUMN_END_TIME_UTC_MILLIS, endTime); 2134 values.put(TvContract.WatchedPrograms.COLUMN_DESCRIPTION, cursor.getString(3)); 2135 mContentResolver.update(uri, values, null, null); 2136 2137 // Schedule an update when the current program ends. 2138 SomeArgs args = SomeArgs.obtain(); 2139 args.arg1 = uri; 2140 args.arg2 = channelId; 2141 args.arg3 = endTime; 2142 Message msg = obtainMessage(LogHandler.MSG_UPDATE_ENTRY, args); 2143 sendMessageDelayed(msg, endTime - System.currentTimeMillis()); 2144 } 2145 } finally { 2146 if (cursor != null) { 2147 cursor.close(); 2148 } 2149 } 2150 } 2151 2152 private void onUpdateEntry(Uri uri, long channelId, long time) { 2153 String[] projection = { 2154 TvContract.WatchedPrograms.COLUMN_WATCH_START_TIME_UTC_MILLIS, 2155 TvContract.WatchedPrograms.COLUMN_WATCH_END_TIME_UTC_MILLIS, 2156 TvContract.WatchedPrograms.COLUMN_TITLE, 2157 TvContract.WatchedPrograms.COLUMN_START_TIME_UTC_MILLIS, 2158 TvContract.WatchedPrograms.COLUMN_END_TIME_UTC_MILLIS, 2159 TvContract.WatchedPrograms.COLUMN_DESCRIPTION 2160 }; 2161 Cursor cursor = null; 2162 try { 2163 cursor = mContentResolver.query(uri, projection, null, null, null); 2164 if (cursor != null && cursor.moveToNext()) { 2165 long watchStartTime = cursor.getLong(0); 2166 long watchEndTime = cursor.getLong(1); 2167 String title = cursor.getString(2); 2168 long startTime = cursor.getLong(3); 2169 long endTime = cursor.getLong(4); 2170 String description = cursor.getString(5); 2171 2172 // Do nothing if the current log entry is already closed. 2173 if (watchEndTime > 0) { 2174 return; 2175 } 2176 2177 // The current program has just ended. Create a (complete) log entry off the 2178 // current entry. 2179 ContentValues values = new ContentValues(); 2180 values.put(TvContract.WatchedPrograms.COLUMN_WATCH_START_TIME_UTC_MILLIS, 2181 watchStartTime); 2182 values.put(TvContract.WatchedPrograms.COLUMN_WATCH_END_TIME_UTC_MILLIS, time); 2183 values.put(TvContract.WatchedPrograms.COLUMN_CHANNEL_ID, channelId); 2184 values.put(TvContract.WatchedPrograms.COLUMN_TITLE, title); 2185 values.put(TvContract.WatchedPrograms.COLUMN_START_TIME_UTC_MILLIS, startTime); 2186 values.put(TvContract.WatchedPrograms.COLUMN_END_TIME_UTC_MILLIS, endTime); 2187 values.put(TvContract.WatchedPrograms.COLUMN_DESCRIPTION, description); 2188 mContentResolver.insert(TvContract.WatchedPrograms.CONTENT_URI, values); 2189 } 2190 } finally { 2191 if (cursor != null) { 2192 cursor.close(); 2193 } 2194 } 2195 // Re-open the current log entry with the next program information. 2196 onOpenEntry(uri, channelId, time); 2197 } 2198 2199 private void onCloseEntry(Uri uri, long watchEndTime) { 2200 ContentValues values = new ContentValues(); 2201 values.put(TvContract.WatchedPrograms.COLUMN_WATCH_END_TIME_UTC_MILLIS, watchEndTime); 2202 mContentResolver.update(uri, values, null, null); 2203 } 2204 } 2205 2206 final class HardwareListener implements TvInputHardwareManager.Listener { 2207 @Override 2208 public void onStateChanged(String inputId, int state) { 2209 synchronized (mLock) { 2210 setStateLocked(inputId, state, mCurrentUserId); 2211 } 2212 } 2213 2214 @Override 2215 public void onHardwareDeviceAdded(TvInputHardwareInfo info) { 2216 synchronized (mLock) { 2217 UserState userState = getUserStateLocked(mCurrentUserId); 2218 // Broadcast the event to all hardware inputs. 2219 for (ServiceState serviceState : userState.serviceStateMap.values()) { 2220 if (!serviceState.mIsHardware || serviceState.mService == null) continue; 2221 try { 2222 serviceState.mService.notifyHardwareAdded(info); 2223 } catch (RemoteException e) { 2224 Slog.e(TAG, "error in notifyHardwareAdded", e); 2225 } 2226 } 2227 } 2228 } 2229 2230 @Override 2231 public void onHardwareDeviceRemoved(TvInputHardwareInfo info) { 2232 synchronized (mLock) { 2233 UserState userState = getUserStateLocked(mCurrentUserId); 2234 // Broadcast the event to all hardware inputs. 2235 for (ServiceState serviceState : userState.serviceStateMap.values()) { 2236 if (!serviceState.mIsHardware || serviceState.mService == null) continue; 2237 try { 2238 serviceState.mService.notifyHardwareRemoved(info); 2239 } catch (RemoteException e) { 2240 Slog.e(TAG, "error in notifyHardwareRemoved", e); 2241 } 2242 } 2243 } 2244 } 2245 2246 @Override 2247 public void onHdmiCecDeviceAdded(HdmiDeviceInfo cecDeviceInfo) { 2248 synchronized (mLock) { 2249 UserState userState = getUserStateLocked(mCurrentUserId); 2250 // Broadcast the event to all hardware inputs. 2251 for (ServiceState serviceState : userState.serviceStateMap.values()) { 2252 if (!serviceState.mIsHardware || serviceState.mService == null) continue; 2253 try { 2254 serviceState.mService.notifyHdmiCecDeviceAdded(cecDeviceInfo); 2255 } catch (RemoteException e) { 2256 Slog.e(TAG, "error in notifyHdmiCecDeviceAdded", e); 2257 } 2258 } 2259 } 2260 } 2261 2262 @Override 2263 public void onHdmiCecDeviceRemoved(HdmiDeviceInfo cecDeviceInfo) { 2264 synchronized (mLock) { 2265 UserState userState = getUserStateLocked(mCurrentUserId); 2266 // Broadcast the event to all hardware inputs. 2267 for (ServiceState serviceState : userState.serviceStateMap.values()) { 2268 if (!serviceState.mIsHardware || serviceState.mService == null) continue; 2269 try { 2270 serviceState.mService.notifyHdmiCecDeviceRemoved(cecDeviceInfo); 2271 } catch (RemoteException e) { 2272 Slog.e(TAG, "error in notifyHdmiCecDeviceRemoved", e); 2273 } 2274 } 2275 } 2276 } 2277 } 2278} 2279