HdmiControlService.java revision f4eb72d53b4c5bc2286841006ad473ad4448bcf8
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.hdmi; 18 19import android.annotation.Nullable; 20import android.content.BroadcastReceiver; 21import android.content.ContentResolver; 22import android.content.Context; 23import android.content.Intent; 24import android.content.IntentFilter; 25import android.hardware.hdmi.HdmiCecDeviceInfo; 26import android.hardware.hdmi.HdmiControlManager; 27import android.hardware.hdmi.HdmiHotplugEvent; 28import android.hardware.hdmi.HdmiPortInfo; 29import android.hardware.hdmi.HdmiTvClient; 30import android.hardware.hdmi.IHdmiControlCallback; 31import android.hardware.hdmi.IHdmiControlService; 32import android.hardware.hdmi.IHdmiDeviceEventListener; 33import android.hardware.hdmi.IHdmiHotplugEventListener; 34import android.hardware.hdmi.IHdmiInputChangeListener; 35import android.hardware.hdmi.IHdmiRecordListener; 36import android.hardware.hdmi.IHdmiSystemAudioModeChangeListener; 37import android.hardware.hdmi.IHdmiVendorCommandListener; 38import android.media.AudioManager; 39import android.os.Build; 40import android.os.Handler; 41import android.os.HandlerThread; 42import android.os.IBinder; 43import android.os.Looper; 44import android.os.PowerManager; 45import android.os.RemoteException; 46import android.os.SystemClock; 47import android.provider.Settings.Global; 48import android.util.ArraySet; 49import android.util.Slog; 50import android.util.SparseArray; 51import android.util.SparseIntArray; 52 53import com.android.internal.annotations.GuardedBy; 54import com.android.server.SystemService; 55import com.android.server.hdmi.HdmiAnnotations.ServiceThreadOnly; 56import com.android.server.hdmi.HdmiCecController.AllocateAddressCallback; 57import com.android.server.hdmi.HdmiCecLocalDevice.PendingActionClearedCallback; 58 59import libcore.util.EmptyArray; 60 61import java.util.ArrayList; 62import java.util.Arrays; 63import java.util.Collections; 64import java.util.List; 65 66/** 67 * Provides a service for sending and processing HDMI control messages, 68 * HDMI-CEC and MHL control command, and providing the information on both standard. 69 */ 70public final class HdmiControlService extends SystemService { 71 private static final String TAG = "HdmiControlService"; 72 73 static final String PERMISSION = "android.permission.HDMI_CEC"; 74 75 /** 76 * Interface to report send result. 77 */ 78 interface SendMessageCallback { 79 /** 80 * Called when {@link HdmiControlService#sendCecCommand} is completed. 81 * 82 * @param error result of send request. 83 * <ul> 84 * <li>{@link Constants#SEND_RESULT_SUCCESS} 85 * <li>{@link Constants#SEND_RESULT_NAK} 86 * <li>{@link Constants#SEND_RESULT_FAILURE} 87 * </ul> 88 */ 89 void onSendCompleted(int error); 90 } 91 92 /** 93 * Interface to get a list of available logical devices. 94 */ 95 interface DevicePollingCallback { 96 /** 97 * Called when device polling is finished. 98 * 99 * @param ackedAddress a list of logical addresses of available devices 100 */ 101 void onPollingFinished(List<Integer> ackedAddress); 102 } 103 104 private class PowerStateReceiver extends BroadcastReceiver { 105 @Override 106 public void onReceive(Context context, Intent intent) { 107 switch (intent.getAction()) { 108 case Intent.ACTION_SCREEN_OFF: 109 if (isPowerOnOrTransient()) { 110 onStandby(); 111 } 112 break; 113 case Intent.ACTION_SCREEN_ON: 114 if (isPowerStandbyOrTransient()) { 115 onWakeUp(); 116 } 117 break; 118 } 119 } 120 } 121 122 // A thread to handle synchronous IO of CEC and MHL control service. 123 // Since all of CEC and MHL HAL interfaces processed in short time (< 200ms) 124 // and sparse call it shares a thread to handle IO operations. 125 private final HandlerThread mIoThread = new HandlerThread("Hdmi Control Io Thread"); 126 127 // Used to synchronize the access to the service. 128 private final Object mLock = new Object(); 129 130 // Type of logical devices hosted in the system. Stored in the unmodifiable list. 131 private final List<Integer> mLocalDevices; 132 133 // List of listeners registered by callers that want to get notified of 134 // hotplug events. 135 @GuardedBy("mLock") 136 private final ArrayList<IHdmiHotplugEventListener> mHotplugEventListeners = new ArrayList<>(); 137 138 // List of records for hotplug event listener to handle the the caller killed in action. 139 @GuardedBy("mLock") 140 private final ArrayList<HotplugEventListenerRecord> mHotplugEventListenerRecords = 141 new ArrayList<>(); 142 143 // List of listeners registered by callers that want to get notified of 144 // device status events. 145 @GuardedBy("mLock") 146 private final ArrayList<IHdmiDeviceEventListener> mDeviceEventListeners = new ArrayList<>(); 147 148 // List of records for device event listener to handle the the caller killed in action. 149 @GuardedBy("mLock") 150 private final ArrayList<DeviceEventListenerRecord> mDeviceEventListenerRecords = 151 new ArrayList<>(); 152 153 // List of records for vendor command listener to handle the the caller killed in action. 154 @GuardedBy("mLock") 155 private final ArrayList<VendorCommandListenerRecord> mVendorCommandListenerRecords = 156 new ArrayList<>(); 157 158 @GuardedBy("mLock") 159 private IHdmiInputChangeListener mInputChangeListener; 160 161 @GuardedBy("mLock") 162 private InputChangeListenerRecord mInputChangeListenerRecord; 163 164 @GuardedBy("mLock") 165 private IHdmiRecordListener mRecordListener; 166 167 @GuardedBy("mLock") 168 private HdmiRecordListenerRecord mRecordListenerRecord; 169 170 // Set to true while HDMI control is enabled. If set to false, HDMI-CEC/MHL protocol 171 // handling will be disabled and no request will be handled. 172 @GuardedBy("mLock") 173 private boolean mHdmiControlEnabled; 174 175 // Set to true while the service is in normal mode. While set to false, no input change is 176 // allowed. Used for situations where input change can confuse users such as channel auto-scan, 177 // system upgrade, etc., a.k.a. "prohibit mode". 178 @GuardedBy("mLock") 179 private boolean mProhibitMode; 180 181 // List of listeners registered by callers that want to get notified of 182 // system audio mode changes. 183 private final ArrayList<IHdmiSystemAudioModeChangeListener> 184 mSystemAudioModeChangeListeners = new ArrayList<>(); 185 // List of records for system audio mode change to handle the the caller killed in action. 186 private final ArrayList<SystemAudioModeChangeListenerRecord> 187 mSystemAudioModeChangeListenerRecords = new ArrayList<>(); 188 189 // Handler used to run a task in service thread. 190 private final Handler mHandler = new Handler(); 191 192 @Nullable 193 private HdmiCecController mCecController; 194 195 @Nullable 196 private HdmiMhlController mMhlController; 197 198 // HDMI port information. Stored in the unmodifiable list to keep the static information 199 // from being modified. 200 private List<HdmiPortInfo> mPortInfo; 201 202 // Map from path(physical address) to port ID. 203 private SparseIntArray mPortIdMap = new SparseIntArray(); 204 205 // Map from port ID to HdmiPortInfo. 206 private SparseArray<HdmiPortInfo> mPortInfoMap = new SparseArray<>(); 207 208 private HdmiCecMessageValidator mMessageValidator; 209 210 private final PowerStateReceiver mPowerStateReceiver = new PowerStateReceiver(); 211 212 @ServiceThreadOnly 213 private int mPowerStatus = HdmiControlManager.POWER_STATUS_STANDBY; 214 215 @ServiceThreadOnly 216 private boolean mStandbyMessageReceived = false; 217 218 public HdmiControlService(Context context) { 219 super(context); 220 mLocalDevices = HdmiUtils.asImmutableList(getContext().getResources().getIntArray( 221 com.android.internal.R.array.config_hdmiCecLogicalDeviceType)); 222 } 223 224 @Override 225 public void onStart() { 226 mIoThread.start(); 227 mPowerStatus = HdmiControlManager.POWER_STATUS_TRANSIENT_TO_ON; 228 mProhibitMode = false; 229 mHdmiControlEnabled = readBooleanSetting(Global.HDMI_CONTROL_ENABLED, true); 230 231 mCecController = HdmiCecController.create(this); 232 if (mCecController != null) { 233 // TODO: Remove this as soon as OEM's HAL implementation is corrected. 234 mCecController.setOption(HdmiTvClient.OPTION_CEC_ENABLE, 235 HdmiTvClient.ENABLED); 236 237 // TODO: load value for mHdmiControlEnabled from preference. 238 if (mHdmiControlEnabled) { 239 initializeCec(true); 240 } 241 } else { 242 Slog.i(TAG, "Device does not support HDMI-CEC."); 243 } 244 245 mMhlController = HdmiMhlController.create(this); 246 if (mMhlController == null) { 247 Slog.i(TAG, "Device does not support MHL-control."); 248 } 249 initPortInfo(); 250 mMessageValidator = new HdmiCecMessageValidator(this); 251 publishBinderService(Context.HDMI_CONTROL_SERVICE, new BinderService()); 252 253 // Register broadcast receiver for power state change. 254 if (mCecController != null || mMhlController != null) { 255 IntentFilter filter = new IntentFilter(); 256 filter.addAction(Intent.ACTION_SCREEN_OFF); 257 filter.addAction(Intent.ACTION_SCREEN_ON); 258 getContext().registerReceiver(mPowerStateReceiver, filter); 259 } 260 } 261 262 boolean readBooleanSetting(String key, boolean defVal) { 263 ContentResolver cr = getContext().getContentResolver(); 264 return Global.getInt(cr, key, defVal ? Constants.TRUE : Constants.FALSE) == Constants.TRUE; 265 } 266 267 void writeBooleanSetting(String key, boolean value) { 268 ContentResolver cr = getContext().getContentResolver(); 269 Global.putInt(cr, key, value ? Constants.TRUE : Constants.FALSE); 270 } 271 272 private void initializeCec(boolean fromBootup) { 273 mCecController.setOption(HdmiTvClient.OPTION_CEC_SERVICE_CONTROL, 274 HdmiTvClient.ENABLED); 275 initializeLocalDevices(mLocalDevices, fromBootup); 276 } 277 278 @ServiceThreadOnly 279 private void initializeLocalDevices(final List<Integer> deviceTypes, final boolean fromBootup) { 280 assertRunOnServiceThread(); 281 // A container for [Logical Address, Local device info]. 282 final SparseArray<HdmiCecLocalDevice> devices = new SparseArray<>(); 283 final SparseIntArray finished = new SparseIntArray(); 284 mCecController.clearLogicalAddress(); 285 for (int type : deviceTypes) { 286 final HdmiCecLocalDevice localDevice = HdmiCecLocalDevice.create(this, type); 287 localDevice.init(); 288 mCecController.allocateLogicalAddress(type, 289 localDevice.getPreferredAddress(), new AllocateAddressCallback() { 290 @Override 291 public void onAllocated(int deviceType, int logicalAddress) { 292 if (logicalAddress == Constants.ADDR_UNREGISTERED) { 293 Slog.e(TAG, "Failed to allocate address:[device_type:" + deviceType + "]"); 294 } else { 295 HdmiCecDeviceInfo deviceInfo = createDeviceInfo(logicalAddress, deviceType); 296 localDevice.setDeviceInfo(deviceInfo); 297 mCecController.addLocalDevice(deviceType, localDevice); 298 mCecController.addLogicalAddress(logicalAddress); 299 devices.append(logicalAddress, localDevice); 300 } 301 finished.append(deviceType, logicalAddress); 302 303 // Address allocation completed for all devices. Notify each device. 304 if (deviceTypes.size() == finished.size()) { 305 if (mPowerStatus == HdmiControlManager.POWER_STATUS_TRANSIENT_TO_ON) { 306 mPowerStatus = HdmiControlManager.POWER_STATUS_ON; 307 } 308 notifyAddressAllocated(devices, fromBootup); 309 } 310 } 311 }); 312 } 313 } 314 315 @ServiceThreadOnly 316 private void notifyAddressAllocated(SparseArray<HdmiCecLocalDevice> devices, 317 boolean fromBootup) { 318 assertRunOnServiceThread(); 319 for (int i = 0; i < devices.size(); ++i) { 320 int address = devices.keyAt(i); 321 HdmiCecLocalDevice device = devices.valueAt(i); 322 device.handleAddressAllocated(address, fromBootup); 323 } 324 } 325 326 // Initialize HDMI port information. Combine the information from CEC and MHL HAL and 327 // keep them in one place. 328 @ServiceThreadOnly 329 private void initPortInfo() { 330 assertRunOnServiceThread(); 331 HdmiPortInfo[] cecPortInfo = null; 332 333 // CEC HAL provides majority of the info while MHL does only MHL support flag for 334 // each port. Return empty array if CEC HAL didn't provide the info. 335 if (mCecController != null) { 336 cecPortInfo = mCecController.getPortInfos(); 337 } 338 if (cecPortInfo == null) { 339 return; 340 } 341 342 for (HdmiPortInfo info : cecPortInfo) { 343 mPortIdMap.put(info.getAddress(), info.getId()); 344 mPortInfoMap.put(info.getId(), info); 345 } 346 347 if (mMhlController == null) { 348 mPortInfo = Collections.unmodifiableList(Arrays.asList(cecPortInfo)); 349 return; 350 } else { 351 HdmiPortInfo[] mhlPortInfo = mMhlController.getPortInfos(); 352 ArraySet<Integer> mhlSupportedPorts = new ArraySet<Integer>(mhlPortInfo.length); 353 for (HdmiPortInfo info : mhlPortInfo) { 354 if (info.isMhlSupported()) { 355 mhlSupportedPorts.add(info.getId()); 356 } 357 } 358 359 // Build HDMI port info list with CEC port info plus MHL supported flag. 360 ArrayList<HdmiPortInfo> result = new ArrayList<>(cecPortInfo.length); 361 for (HdmiPortInfo info : cecPortInfo) { 362 if (mhlSupportedPorts.contains(info.getId())) { 363 result.add(new HdmiPortInfo(info.getId(), info.getType(), info.getAddress(), 364 info.isCecSupported(), true, info.isArcSupported())); 365 } else { 366 result.add(info); 367 } 368 } 369 mPortInfo = Collections.unmodifiableList(result); 370 } 371 } 372 373 /** 374 * Returns HDMI port information for the given port id. 375 * 376 * @param portId HDMI port id 377 * @return {@link HdmiPortInfo} for the given port 378 */ 379 @ServiceThreadOnly 380 HdmiPortInfo getPortInfo(int portId) { 381 assertRunOnServiceThread(); 382 return mPortInfoMap.get(portId, null); 383 } 384 385 /** 386 * Returns the routing path (physical address) of the HDMI port for the given 387 * port id. 388 */ 389 @ServiceThreadOnly 390 int portIdToPath(int portId) { 391 assertRunOnServiceThread(); 392 HdmiPortInfo portInfo = getPortInfo(portId); 393 if (portInfo == null) { 394 Slog.e(TAG, "Cannot find the port info: " + portId); 395 return Constants.INVALID_PHYSICAL_ADDRESS; 396 } 397 return portInfo.getAddress(); 398 } 399 400 /** 401 * Returns the id of HDMI port located at the top of the hierarchy of 402 * the specified routing path. For the routing path 0x1220 (1.2.2.0), for instance, 403 * the port id to be returned is the ID associated with the port address 404 * 0x1000 (1.0.0.0) which is the topmost path of the given routing path. 405 */ 406 @ServiceThreadOnly 407 int pathToPortId(int path) { 408 assertRunOnServiceThread(); 409 int portAddress = path & Constants.ROUTING_PATH_TOP_MASK; 410 return mPortIdMap.get(portAddress, Constants.INVALID_PORT_ID); 411 } 412 413 @ServiceThreadOnly 414 boolean isValidPortId(int portId) { 415 assertRunOnServiceThread(); 416 return getPortInfo(portId) != null; 417 } 418 419 /** 420 * Returns {@link Looper} for IO operation. 421 * 422 * <p>Declared as package-private. 423 */ 424 Looper getIoLooper() { 425 return mIoThread.getLooper(); 426 } 427 428 /** 429 * Returns {@link Looper} of main thread. Use this {@link Looper} instance 430 * for tasks that are running on main service thread. 431 * 432 * <p>Declared as package-private. 433 */ 434 Looper getServiceLooper() { 435 return mHandler.getLooper(); 436 } 437 438 /** 439 * Returns physical address of the device. 440 */ 441 int getPhysicalAddress() { 442 return mCecController.getPhysicalAddress(); 443 } 444 445 /** 446 * Returns vendor id of CEC service. 447 */ 448 int getVendorId() { 449 return mCecController.getVendorId(); 450 } 451 452 @ServiceThreadOnly 453 HdmiCecDeviceInfo getDeviceInfo(int logicalAddress) { 454 assertRunOnServiceThread(); 455 HdmiCecLocalDeviceTv tv = tv(); 456 if (tv == null) { 457 return null; 458 } 459 return tv.getDeviceInfo(logicalAddress); 460 } 461 462 /** 463 * Returns version of CEC. 464 */ 465 int getCecVersion() { 466 return mCecController.getVersion(); 467 } 468 469 /** 470 * Whether a device of the specified physical address is connected to ARC enabled port. 471 */ 472 @ServiceThreadOnly 473 boolean isConnectedToArcPort(int physicalAddress) { 474 assertRunOnServiceThread(); 475 int portId = mPortIdMap.get(physicalAddress); 476 if (portId != Constants.INVALID_PORT_ID) { 477 return mPortInfoMap.get(portId).isArcSupported(); 478 } 479 return false; 480 } 481 482 void runOnServiceThread(Runnable runnable) { 483 mHandler.post(runnable); 484 } 485 486 void runOnServiceThreadAtFrontOfQueue(Runnable runnable) { 487 mHandler.postAtFrontOfQueue(runnable); 488 } 489 490 private void assertRunOnServiceThread() { 491 if (Looper.myLooper() != mHandler.getLooper()) { 492 throw new IllegalStateException("Should run on service thread."); 493 } 494 } 495 496 /** 497 * Transmit a CEC command to CEC bus. 498 * 499 * @param command CEC command to send out 500 * @param callback interface used to the result of send command 501 */ 502 @ServiceThreadOnly 503 void sendCecCommand(HdmiCecMessage command, @Nullable SendMessageCallback callback) { 504 assertRunOnServiceThread(); 505 mCecController.sendCommand(command, callback); 506 } 507 508 @ServiceThreadOnly 509 void sendCecCommand(HdmiCecMessage command) { 510 assertRunOnServiceThread(); 511 mCecController.sendCommand(command, null); 512 } 513 514 @ServiceThreadOnly 515 boolean handleCecCommand(HdmiCecMessage message) { 516 assertRunOnServiceThread(); 517 if (!mMessageValidator.isValid(message)) { 518 return false; 519 } 520 return dispatchMessageToLocalDevice(message); 521 } 522 523 void setAudioReturnChannel(boolean enabled) { 524 mCecController.setAudioReturnChannel(enabled); 525 } 526 527 @ServiceThreadOnly 528 private boolean dispatchMessageToLocalDevice(HdmiCecMessage message) { 529 assertRunOnServiceThread(); 530 for (HdmiCecLocalDevice device : mCecController.getLocalDeviceList()) { 531 if (device.dispatchMessage(message) 532 && message.getDestination() != Constants.ADDR_BROADCAST) { 533 return true; 534 } 535 } 536 537 if (message.getDestination() != Constants.ADDR_BROADCAST) { 538 Slog.w(TAG, "Unhandled cec command:" + message); 539 } 540 return false; 541 } 542 543 /** 544 * Called when a new hotplug event is issued. 545 * 546 * @param portNo hdmi port number where hot plug event issued. 547 * @param connected whether to be plugged in or not 548 */ 549 @ServiceThreadOnly 550 void onHotplug(int portNo, boolean connected) { 551 assertRunOnServiceThread(); 552 for (HdmiCecLocalDevice device : mCecController.getLocalDeviceList()) { 553 device.onHotplug(portNo, connected); 554 } 555 announceHotplugEvent(portNo, connected); 556 } 557 558 /** 559 * Poll all remote devices. It sends <Polling Message> to all remote 560 * devices. 561 * 562 * @param callback an interface used to get a list of all remote devices' address 563 * @param sourceAddress a logical address of source device where sends polling message 564 * @param pickStrategy strategy how to pick polling candidates 565 * @param retryCount the number of retry used to send polling message to remote devices 566 * @throw IllegalArgumentException if {@code pickStrategy} is invalid value 567 */ 568 @ServiceThreadOnly 569 void pollDevices(DevicePollingCallback callback, int sourceAddress, int pickStrategy, 570 int retryCount) { 571 assertRunOnServiceThread(); 572 mCecController.pollDevices(callback, sourceAddress, checkPollStrategy(pickStrategy), 573 retryCount); 574 } 575 576 private int checkPollStrategy(int pickStrategy) { 577 int strategy = pickStrategy & Constants.POLL_STRATEGY_MASK; 578 if (strategy == 0) { 579 throw new IllegalArgumentException("Invalid poll strategy:" + pickStrategy); 580 } 581 int iterationStrategy = pickStrategy & Constants.POLL_ITERATION_STRATEGY_MASK; 582 if (iterationStrategy == 0) { 583 throw new IllegalArgumentException("Invalid iteration strategy:" + pickStrategy); 584 } 585 return strategy | iterationStrategy; 586 } 587 588 List<HdmiCecLocalDevice> getAllLocalDevices() { 589 assertRunOnServiceThread(); 590 return mCecController.getLocalDeviceList(); 591 } 592 593 Object getServiceLock() { 594 return mLock; 595 } 596 597 void setAudioStatus(boolean mute, int volume) { 598 AudioManager audioManager = getAudioManager(); 599 boolean muted = audioManager.isStreamMute(AudioManager.STREAM_MUSIC); 600 if (mute) { 601 if (!muted) { 602 audioManager.setStreamMute(AudioManager.STREAM_MUSIC, true); 603 } 604 } else { 605 if (muted) { 606 audioManager.setStreamMute(AudioManager.STREAM_MUSIC, false); 607 } 608 // FLAG_HDMI_SYSTEM_AUDIO_VOLUME prevents audio manager from announcing 609 // volume change notification back to hdmi control service. 610 audioManager.setStreamVolume(AudioManager.STREAM_MUSIC, volume, 611 AudioManager.FLAG_SHOW_UI | 612 AudioManager.FLAG_HDMI_SYSTEM_AUDIO_VOLUME); 613 } 614 } 615 616 void announceSystemAudioModeChange(boolean enabled) { 617 for (IHdmiSystemAudioModeChangeListener listener : mSystemAudioModeChangeListeners) { 618 invokeSystemAudioModeChange(listener, enabled); 619 } 620 } 621 622 private HdmiCecDeviceInfo createDeviceInfo(int logicalAddress, int deviceType) { 623 // TODO: find better name instead of model name. 624 String displayName = Build.MODEL; 625 return new HdmiCecDeviceInfo(logicalAddress, 626 getPhysicalAddress(), pathToPortId(getPhysicalAddress()), deviceType, 627 getVendorId(), displayName); 628 } 629 630 // Record class that monitors the event of the caller of being killed. Used to clean up 631 // the listener list and record list accordingly. 632 private final class HotplugEventListenerRecord implements IBinder.DeathRecipient { 633 private final IHdmiHotplugEventListener mListener; 634 635 public HotplugEventListenerRecord(IHdmiHotplugEventListener listener) { 636 mListener = listener; 637 } 638 639 @Override 640 public void binderDied() { 641 synchronized (mLock) { 642 mHotplugEventListenerRecords.remove(this); 643 mHotplugEventListeners.remove(mListener); 644 } 645 } 646 } 647 648 private final class DeviceEventListenerRecord implements IBinder.DeathRecipient { 649 private final IHdmiDeviceEventListener mListener; 650 651 public DeviceEventListenerRecord(IHdmiDeviceEventListener listener) { 652 mListener = listener; 653 } 654 655 @Override 656 public void binderDied() { 657 synchronized (mLock) { 658 mDeviceEventListenerRecords.remove(this); 659 mDeviceEventListeners.remove(mListener); 660 } 661 } 662 } 663 664 private final class SystemAudioModeChangeListenerRecord implements IBinder.DeathRecipient { 665 private final IHdmiSystemAudioModeChangeListener mListener; 666 667 public SystemAudioModeChangeListenerRecord(IHdmiSystemAudioModeChangeListener listener) { 668 mListener = listener; 669 } 670 671 @Override 672 public void binderDied() { 673 synchronized (mLock) { 674 mSystemAudioModeChangeListenerRecords.remove(this); 675 mSystemAudioModeChangeListeners.remove(mListener); 676 } 677 } 678 } 679 680 class VendorCommandListenerRecord implements IBinder.DeathRecipient { 681 private final IHdmiVendorCommandListener mListener; 682 private final int mDeviceType; 683 684 public VendorCommandListenerRecord(IHdmiVendorCommandListener listener, int deviceType) { 685 mListener = listener; 686 mDeviceType = deviceType; 687 } 688 689 @Override 690 public void binderDied() { 691 synchronized (mLock) { 692 mVendorCommandListenerRecords.remove(this); 693 } 694 } 695 } 696 697 private class HdmiRecordListenerRecord implements IBinder.DeathRecipient { 698 @Override 699 public void binderDied() { 700 synchronized (mLock) { 701 mRecordListener = null; 702 } 703 } 704 } 705 706 private void enforceAccessPermission() { 707 getContext().enforceCallingOrSelfPermission(PERMISSION, TAG); 708 } 709 710 private final class BinderService extends IHdmiControlService.Stub { 711 @Override 712 public int[] getSupportedTypes() { 713 enforceAccessPermission(); 714 // mLocalDevices is an unmodifiable list - no lock necesary. 715 int[] localDevices = new int[mLocalDevices.size()]; 716 for (int i = 0; i < localDevices.length; ++i) { 717 localDevices[i] = mLocalDevices.get(i); 718 } 719 return localDevices; 720 } 721 722 @Override 723 public void deviceSelect(final int logicalAddress, final IHdmiControlCallback callback) { 724 enforceAccessPermission(); 725 runOnServiceThread(new Runnable() { 726 @Override 727 public void run() { 728 HdmiCecLocalDeviceTv tv = tv(); 729 if (tv == null) { 730 Slog.w(TAG, "Local tv device not available"); 731 invokeCallback(callback, HdmiControlManager.RESULT_SOURCE_NOT_AVAILABLE); 732 return; 733 } 734 tv.deviceSelect(logicalAddress, callback); 735 } 736 }); 737 } 738 739 @Override 740 public void portSelect(final int portId, final IHdmiControlCallback callback) { 741 enforceAccessPermission(); 742 runOnServiceThread(new Runnable() { 743 @Override 744 public void run() { 745 HdmiCecLocalDeviceTv tv = tv(); 746 if (tv == null) { 747 Slog.w(TAG, "Local tv device not available"); 748 invokeCallback(callback, HdmiControlManager.RESULT_SOURCE_NOT_AVAILABLE); 749 return; 750 } 751 tv.doManualPortSwitching(portId, callback); 752 } 753 }); 754 } 755 756 @Override 757 public void sendKeyEvent(final int deviceType, final int keyCode, final boolean isPressed) { 758 enforceAccessPermission(); 759 runOnServiceThread(new Runnable() { 760 @Override 761 public void run() { 762 HdmiCecLocalDevice localDevice = mCecController.getLocalDevice(deviceType); 763 if (localDevice == null) { 764 Slog.w(TAG, "Local device not available"); 765 return; 766 } 767 localDevice.sendKeyEvent(keyCode, isPressed); 768 } 769 }); 770 } 771 772 @Override 773 public void oneTouchPlay(final IHdmiControlCallback callback) { 774 enforceAccessPermission(); 775 runOnServiceThread(new Runnable() { 776 @Override 777 public void run() { 778 HdmiControlService.this.oneTouchPlay(callback); 779 } 780 }); 781 } 782 783 @Override 784 public void queryDisplayStatus(final IHdmiControlCallback callback) { 785 enforceAccessPermission(); 786 runOnServiceThread(new Runnable() { 787 @Override 788 public void run() { 789 HdmiControlService.this.queryDisplayStatus(callback); 790 } 791 }); 792 } 793 794 @Override 795 public void addHotplugEventListener(final IHdmiHotplugEventListener listener) { 796 enforceAccessPermission(); 797 runOnServiceThread(new Runnable() { 798 @Override 799 public void run() { 800 HdmiControlService.this.addHotplugEventListener(listener); 801 } 802 }); 803 } 804 805 @Override 806 public void removeHotplugEventListener(final IHdmiHotplugEventListener listener) { 807 enforceAccessPermission(); 808 runOnServiceThread(new Runnable() { 809 @Override 810 public void run() { 811 HdmiControlService.this.removeHotplugEventListener(listener); 812 } 813 }); 814 } 815 816 @Override 817 public void addDeviceEventListener(final IHdmiDeviceEventListener listener) { 818 enforceAccessPermission(); 819 runOnServiceThread(new Runnable() { 820 @Override 821 public void run() { 822 HdmiControlService.this.addDeviceEventListener(listener); 823 } 824 }); 825 } 826 827 @Override 828 public List<HdmiPortInfo> getPortInfo() { 829 enforceAccessPermission(); 830 return mPortInfo; 831 } 832 833 @Override 834 public boolean canChangeSystemAudioMode() { 835 enforceAccessPermission(); 836 HdmiCecLocalDeviceTv tv = tv(); 837 if (tv == null) { 838 return false; 839 } 840 return tv.hasSystemAudioDevice(); 841 } 842 843 @Override 844 public boolean getSystemAudioMode() { 845 enforceAccessPermission(); 846 HdmiCecLocalDeviceTv tv = tv(); 847 if (tv == null) { 848 return false; 849 } 850 return tv.isSystemAudioActivated(); 851 } 852 853 @Override 854 public void setSystemAudioMode(final boolean enabled, final IHdmiControlCallback callback) { 855 enforceAccessPermission(); 856 runOnServiceThread(new Runnable() { 857 @Override 858 public void run() { 859 HdmiCecLocalDeviceTv tv = tv(); 860 if (tv == null) { 861 Slog.w(TAG, "Local tv device not available"); 862 invokeCallback(callback, HdmiControlManager.RESULT_SOURCE_NOT_AVAILABLE); 863 return; 864 } 865 tv.changeSystemAudioMode(enabled, callback); 866 } 867 }); 868 } 869 870 @Override 871 public void addSystemAudioModeChangeListener( 872 final IHdmiSystemAudioModeChangeListener listener) { 873 enforceAccessPermission(); 874 HdmiControlService.this.addSystemAudioModeChangeListner(listener); 875 } 876 877 @Override 878 public void removeSystemAudioModeChangeListener( 879 final IHdmiSystemAudioModeChangeListener listener) { 880 enforceAccessPermission(); 881 HdmiControlService.this.removeSystemAudioModeChangeListener(listener); 882 } 883 884 @Override 885 public void setInputChangeListener(final IHdmiInputChangeListener listener) { 886 enforceAccessPermission(); 887 HdmiControlService.this.setInputChangeListener(listener); 888 } 889 890 @Override 891 public List<HdmiCecDeviceInfo> getInputDevices() { 892 enforceAccessPermission(); 893 // No need to hold the lock for obtaining TV device as the local device instance 894 // is preserved while the HDMI control is enabled. 895 HdmiCecLocalDeviceTv tv = tv(); 896 if (tv == null) { 897 return Collections.emptyList(); 898 } 899 return tv.getSafeExternalInputs(); 900 } 901 902 @Override 903 public void setControlEnabled(final boolean enabled) { 904 enforceAccessPermission(); 905 runOnServiceThread(new Runnable() { 906 @Override 907 public void run() { 908 handleHdmiControlStatusChanged(enabled); 909 910 } 911 }); 912 } 913 914 @Override 915 public void setSystemAudioVolume(final int oldIndex, final int newIndex, 916 final int maxIndex) { 917 enforceAccessPermission(); 918 runOnServiceThread(new Runnable() { 919 @Override 920 public void run() { 921 HdmiCecLocalDeviceTv tv = tv(); 922 if (tv == null) { 923 Slog.w(TAG, "Local tv device not available"); 924 return; 925 } 926 tv.changeVolume(oldIndex, newIndex - oldIndex, maxIndex); 927 } 928 }); 929 } 930 931 @Override 932 public void setSystemAudioMute(final boolean mute) { 933 enforceAccessPermission(); 934 runOnServiceThread(new Runnable() { 935 @Override 936 public void run() { 937 HdmiCecLocalDeviceTv tv = tv(); 938 if (tv == null) { 939 Slog.w(TAG, "Local tv device not available"); 940 return; 941 } 942 tv.changeMute(mute); 943 } 944 }); 945 } 946 947 @Override 948 public void setArcMode(final boolean enabled) { 949 enforceAccessPermission(); 950 runOnServiceThread(new Runnable() { 951 @Override 952 public void run() { 953 HdmiCecLocalDeviceTv tv = tv(); 954 if (tv == null) { 955 Slog.w(TAG, "Local tv device not available to change arc mode."); 956 return; 957 } 958 } 959 }); 960 } 961 962 @Override 963 public void setOption(final int key, final int value) { 964 enforceAccessPermission(); 965 if (!isTvDevice()) { 966 return; 967 } 968 switch (key) { 969 case HdmiTvClient.OPTION_CEC_AUTO_WAKEUP: 970 mCecController.setOption(key, value); 971 break; 972 case HdmiTvClient.OPTION_CEC_AUTO_DEVICE_OFF: 973 // No need to pass this option to HAL. 974 tv().setAutoDeviceOff(value == HdmiTvClient.ENABLED); 975 break; 976 case HdmiTvClient.OPTION_MHL_INPUT_SWITCHING: // Fall through 977 case HdmiTvClient.OPTION_MHL_POWER_CHARGE: 978 if (mMhlController != null) { 979 mMhlController.setOption(key, value); 980 } 981 break; 982 } 983 } 984 985 @Override 986 public void setProhibitMode(final boolean enabled) { 987 enforceAccessPermission(); 988 if (!isTvDevice()) { 989 return; 990 } 991 HdmiControlService.this.setProhibitMode(enabled); 992 } 993 994 @Override 995 public void addVendorCommandListener(final IHdmiVendorCommandListener listener, 996 final int deviceType) { 997 enforceAccessPermission(); 998 runOnServiceThread(new Runnable() { 999 @Override 1000 public void run() { 1001 HdmiControlService.this.addVendorCommandListener(listener, deviceType); 1002 } 1003 }); 1004 } 1005 1006 @Override 1007 public void sendVendorCommand(final int deviceType, final int targetAddress, 1008 final byte[] params, final boolean hasVendorId) { 1009 enforceAccessPermission(); 1010 runOnServiceThread(new Runnable() { 1011 @Override 1012 public void run() { 1013 HdmiCecLocalDevice device = mCecController.getLocalDevice(deviceType); 1014 if (device == null) { 1015 Slog.w(TAG, "Local device not available"); 1016 return; 1017 } 1018 if (hasVendorId) { 1019 sendCecCommand(HdmiCecMessageBuilder.buildVendorCommandWithId( 1020 device.getDeviceInfo().getLogicalAddress(), targetAddress, 1021 getVendorId(), params)); 1022 } else { 1023 sendCecCommand(HdmiCecMessageBuilder.buildVendorCommand( 1024 device.getDeviceInfo().getLogicalAddress(), targetAddress, params)); 1025 } 1026 } 1027 }); 1028 } 1029 1030 @Override 1031 public void setHdmiRecordListener(IHdmiRecordListener listener) { 1032 HdmiControlService.this.setHdmiRecordListener(listener); 1033 } 1034 1035 @Override 1036 public void startOneTouchRecord(final int recorderAddress, final byte[] recordSource) { 1037 runOnServiceThread(new Runnable() { 1038 @Override 1039 public void run() { 1040 if (!isTvDevice()) { 1041 Slog.w(TAG, "No TV is available."); 1042 return; 1043 } 1044 tv().startOneTouchRecord(recorderAddress, recordSource); 1045 } 1046 }); 1047 } 1048 1049 @Override 1050 public void stopOneTouchRecord(final int recorderAddress) { 1051 runOnServiceThread(new Runnable() { 1052 @Override 1053 public void run() { 1054 if (!isTvDevice()) { 1055 Slog.w(TAG, "No TV is available."); 1056 return; 1057 } 1058 tv().stopOneTouchRecord(recorderAddress); 1059 } 1060 }); 1061 } 1062 1063 @Override 1064 public void startTimerRecording(final int recorderAddress, final int sourceType, 1065 final byte[] recordSource) { 1066 runOnServiceThread(new Runnable() { 1067 @Override 1068 public void run() { 1069 if (!isTvDevice()) { 1070 Slog.w(TAG, "No TV is available."); 1071 return; 1072 } 1073 tv().startTimerRecording(recorderAddress, sourceType, recordSource); 1074 } 1075 }); 1076 } 1077 1078 @Override 1079 public void clearTimerRecording(final int recorderAddress, final int sourceType, 1080 final byte[] recordSource) { 1081 runOnServiceThread(new Runnable() { 1082 @Override 1083 public void run() { 1084 if (!isTvDevice()) { 1085 Slog.w(TAG, "No TV is available."); 1086 return; 1087 } 1088 tv().clearTimerRecording(recorderAddress, sourceType, recordSource); 1089 } 1090 }); 1091 } 1092 } 1093 1094 @ServiceThreadOnly 1095 private void oneTouchPlay(final IHdmiControlCallback callback) { 1096 assertRunOnServiceThread(); 1097 HdmiCecLocalDevicePlayback source = playback(); 1098 if (source == null) { 1099 Slog.w(TAG, "Local playback device not available"); 1100 invokeCallback(callback, HdmiControlManager.RESULT_SOURCE_NOT_AVAILABLE); 1101 return; 1102 } 1103 source.oneTouchPlay(callback); 1104 } 1105 1106 @ServiceThreadOnly 1107 private void queryDisplayStatus(final IHdmiControlCallback callback) { 1108 assertRunOnServiceThread(); 1109 HdmiCecLocalDevicePlayback source = playback(); 1110 if (source == null) { 1111 Slog.w(TAG, "Local playback device not available"); 1112 invokeCallback(callback, HdmiControlManager.RESULT_SOURCE_NOT_AVAILABLE); 1113 return; 1114 } 1115 source.queryDisplayStatus(callback); 1116 } 1117 1118 private void addHotplugEventListener(IHdmiHotplugEventListener listener) { 1119 HotplugEventListenerRecord record = new HotplugEventListenerRecord(listener); 1120 try { 1121 listener.asBinder().linkToDeath(record, 0); 1122 } catch (RemoteException e) { 1123 Slog.w(TAG, "Listener already died"); 1124 return; 1125 } 1126 synchronized (mLock) { 1127 mHotplugEventListenerRecords.add(record); 1128 mHotplugEventListeners.add(listener); 1129 } 1130 } 1131 1132 private void removeHotplugEventListener(IHdmiHotplugEventListener listener) { 1133 synchronized (mLock) { 1134 for (HotplugEventListenerRecord record : mHotplugEventListenerRecords) { 1135 if (record.mListener.asBinder() == listener.asBinder()) { 1136 listener.asBinder().unlinkToDeath(record, 0); 1137 mHotplugEventListenerRecords.remove(record); 1138 break; 1139 } 1140 } 1141 mHotplugEventListeners.remove(listener); 1142 } 1143 } 1144 1145 private void addDeviceEventListener(IHdmiDeviceEventListener listener) { 1146 DeviceEventListenerRecord record = new DeviceEventListenerRecord(listener); 1147 try { 1148 listener.asBinder().linkToDeath(record, 0); 1149 } catch (RemoteException e) { 1150 Slog.w(TAG, "Listener already died"); 1151 return; 1152 } 1153 synchronized (mLock) { 1154 mDeviceEventListeners.add(listener); 1155 mDeviceEventListenerRecords.add(record); 1156 } 1157 } 1158 1159 void invokeDeviceEventListeners(HdmiCecDeviceInfo device, boolean activated) { 1160 synchronized (mLock) { 1161 for (IHdmiDeviceEventListener listener : mDeviceEventListeners) { 1162 try { 1163 listener.onStatusChanged(device, activated); 1164 } catch (RemoteException e) { 1165 Slog.e(TAG, "Failed to report device event:" + e); 1166 } 1167 } 1168 } 1169 } 1170 1171 private void addSystemAudioModeChangeListner(IHdmiSystemAudioModeChangeListener listener) { 1172 SystemAudioModeChangeListenerRecord record = new SystemAudioModeChangeListenerRecord( 1173 listener); 1174 try { 1175 listener.asBinder().linkToDeath(record, 0); 1176 } catch (RemoteException e) { 1177 Slog.w(TAG, "Listener already died"); 1178 return; 1179 } 1180 synchronized (mLock) { 1181 mSystemAudioModeChangeListeners.add(listener); 1182 mSystemAudioModeChangeListenerRecords.add(record); 1183 } 1184 } 1185 1186 private void removeSystemAudioModeChangeListener(IHdmiSystemAudioModeChangeListener listener) { 1187 synchronized (mLock) { 1188 for (SystemAudioModeChangeListenerRecord record : 1189 mSystemAudioModeChangeListenerRecords) { 1190 if (record.mListener.asBinder() == listener) { 1191 listener.asBinder().unlinkToDeath(record, 0); 1192 mSystemAudioModeChangeListenerRecords.remove(record); 1193 break; 1194 } 1195 } 1196 mSystemAudioModeChangeListeners.remove(listener); 1197 } 1198 } 1199 1200 private final class InputChangeListenerRecord implements IBinder.DeathRecipient { 1201 @Override 1202 public void binderDied() { 1203 synchronized (mLock) { 1204 mInputChangeListener = null; 1205 } 1206 } 1207 } 1208 1209 private void setInputChangeListener(IHdmiInputChangeListener listener) { 1210 synchronized (mLock) { 1211 mInputChangeListenerRecord = new InputChangeListenerRecord(); 1212 try { 1213 listener.asBinder().linkToDeath(mInputChangeListenerRecord, 0); 1214 } catch (RemoteException e) { 1215 Slog.w(TAG, "Listener already died"); 1216 return; 1217 } 1218 mInputChangeListener = listener; 1219 } 1220 } 1221 1222 void invokeInputChangeListener(int activeAddress) { 1223 synchronized (mLock) { 1224 if (mInputChangeListener != null) { 1225 HdmiCecDeviceInfo activeSource = getDeviceInfo(activeAddress); 1226 try { 1227 mInputChangeListener.onChanged(activeSource); 1228 } catch (RemoteException e) { 1229 Slog.w(TAG, "Exception thrown by IHdmiInputChangeListener: " + e); 1230 } 1231 } 1232 } 1233 } 1234 1235 private void setHdmiRecordListener(IHdmiRecordListener listener) { 1236 synchronized (mLock) { 1237 mRecordListenerRecord = new HdmiRecordListenerRecord(); 1238 try { 1239 listener.asBinder().linkToDeath(mRecordListenerRecord, 0); 1240 } catch (RemoteException e) { 1241 Slog.w(TAG, "Listener already died.", e); 1242 } 1243 mRecordListener = listener; 1244 } 1245 } 1246 1247 byte[] invokeRecordRequestListener(int recorderAddress) { 1248 synchronized (mLock) { 1249 if (mRecordListener != null) { 1250 try { 1251 return mRecordListener.getOneTouchRecordSource(recorderAddress); 1252 } catch (RemoteException e) { 1253 Slog.w(TAG, "Failed to start record.", e); 1254 } 1255 } 1256 return EmptyArray.BYTE; 1257 } 1258 } 1259 1260 void invokeOneTouchRecordResult(int result) { 1261 synchronized (mLock) { 1262 if (mRecordListener != null) { 1263 try { 1264 mRecordListener.onOneTouchRecordResult(result); 1265 } catch (RemoteException e) { 1266 Slog.w(TAG, "Failed to call onOneTouchRecordResult.", e); 1267 } 1268 } 1269 } 1270 } 1271 1272 void invokeTimerRecordingResult(int result) { 1273 synchronized (mLock) { 1274 if (mRecordListener != null) { 1275 try { 1276 mRecordListener.onTimerRecordingResult(result); 1277 } catch (RemoteException e) { 1278 Slog.w(TAG, "Failed to call onOneTouchRecordResult.", e); 1279 } 1280 } 1281 } 1282 } 1283 1284 private void invokeCallback(IHdmiControlCallback callback, int result) { 1285 try { 1286 callback.onComplete(result); 1287 } catch (RemoteException e) { 1288 Slog.e(TAG, "Invoking callback failed:" + e); 1289 } 1290 } 1291 1292 private void invokeSystemAudioModeChange(IHdmiSystemAudioModeChangeListener listener, 1293 boolean enabled) { 1294 try { 1295 listener.onStatusChanged(enabled); 1296 } catch (RemoteException e) { 1297 Slog.e(TAG, "Invoking callback failed:" + e); 1298 } 1299 } 1300 1301 private void announceHotplugEvent(int portId, boolean connected) { 1302 HdmiHotplugEvent event = new HdmiHotplugEvent(portId, connected); 1303 synchronized (mLock) { 1304 for (IHdmiHotplugEventListener listener : mHotplugEventListeners) { 1305 invokeHotplugEventListenerLocked(listener, event); 1306 } 1307 } 1308 } 1309 1310 private void invokeHotplugEventListenerLocked(IHdmiHotplugEventListener listener, 1311 HdmiHotplugEvent event) { 1312 try { 1313 listener.onReceived(event); 1314 } catch (RemoteException e) { 1315 Slog.e(TAG, "Failed to report hotplug event:" + event.toString(), e); 1316 } 1317 } 1318 1319 private static boolean hasSameTopPort(int path1, int path2) { 1320 return (path1 & Constants.ROUTING_PATH_TOP_MASK) 1321 == (path2 & Constants.ROUTING_PATH_TOP_MASK); 1322 } 1323 1324 private HdmiCecLocalDeviceTv tv() { 1325 return (HdmiCecLocalDeviceTv) mCecController.getLocalDevice(HdmiCecDeviceInfo.DEVICE_TV); 1326 } 1327 1328 boolean isTvDevice() { 1329 return tv() != null; 1330 } 1331 1332 private HdmiCecLocalDevicePlayback playback() { 1333 return (HdmiCecLocalDevicePlayback) 1334 mCecController.getLocalDevice(HdmiCecDeviceInfo.DEVICE_PLAYBACK); 1335 } 1336 1337 AudioManager getAudioManager() { 1338 return (AudioManager) getContext().getSystemService(Context.AUDIO_SERVICE); 1339 } 1340 1341 boolean isControlEnabled() { 1342 synchronized (mLock) { 1343 return mHdmiControlEnabled; 1344 } 1345 } 1346 1347 int getPowerStatus() { 1348 return mPowerStatus; 1349 } 1350 1351 boolean isPowerOnOrTransient() { 1352 return mPowerStatus == HdmiControlManager.POWER_STATUS_ON 1353 || mPowerStatus == HdmiControlManager.POWER_STATUS_TRANSIENT_TO_ON; 1354 } 1355 1356 boolean isPowerStandbyOrTransient() { 1357 return mPowerStatus == HdmiControlManager.POWER_STATUS_STANDBY 1358 || mPowerStatus == HdmiControlManager.POWER_STATUS_TRANSIENT_TO_STANDBY; 1359 } 1360 1361 boolean isPowerStandby() { 1362 return mPowerStatus == HdmiControlManager.POWER_STATUS_STANDBY; 1363 } 1364 1365 @ServiceThreadOnly 1366 void wakeUp() { 1367 assertRunOnServiceThread(); 1368 PowerManager pm = (PowerManager) getContext().getSystemService(Context.POWER_SERVICE); 1369 pm.wakeUp(SystemClock.uptimeMillis()); 1370 // PowerManger will send the broadcast Intent.ACTION_SCREEN_ON and after this gets 1371 // the intent, the sequence will continue at onWakeUp(). 1372 } 1373 1374 @ServiceThreadOnly 1375 void standby() { 1376 assertRunOnServiceThread(); 1377 mStandbyMessageReceived = true; 1378 PowerManager pm = (PowerManager) getContext().getSystemService(Context.POWER_SERVICE); 1379 pm.goToSleep(SystemClock.uptimeMillis()); 1380 // PowerManger will send the broadcast Intent.ACTION_SCREEN_OFF and after this gets 1381 // the intent, the sequence will continue at onStandby(). 1382 } 1383 1384 @ServiceThreadOnly 1385 private void onWakeUp() { 1386 assertRunOnServiceThread(); 1387 mPowerStatus = HdmiControlManager.POWER_STATUS_TRANSIENT_TO_ON; 1388 if (mCecController != null) { 1389 if (mHdmiControlEnabled) { 1390 initializeCec(true); 1391 } 1392 } else { 1393 Slog.i(TAG, "Device does not support HDMI-CEC."); 1394 } 1395 // TODO: Initialize MHL local devices. 1396 } 1397 1398 @ServiceThreadOnly 1399 private void onStandby() { 1400 assertRunOnServiceThread(); 1401 mPowerStatus = HdmiControlManager.POWER_STATUS_TRANSIENT_TO_STANDBY; 1402 1403 final List<HdmiCecLocalDevice> devices = getAllLocalDevices(); 1404 disableDevices(new PendingActionClearedCallback() { 1405 @Override 1406 public void onCleared(HdmiCecLocalDevice device) { 1407 Slog.v(TAG, "On standby-action cleared:" + device.mDeviceType); 1408 devices.remove(device); 1409 if (devices.isEmpty()) { 1410 clearLocalDevices(); 1411 onStandbyCompleted(); 1412 } 1413 } 1414 }); 1415 } 1416 1417 private void disableDevices(PendingActionClearedCallback callback) { 1418 for (HdmiCecLocalDevice device : mCecController.getLocalDeviceList()) { 1419 device.disableDevice(mStandbyMessageReceived, callback); 1420 } 1421 } 1422 1423 @ServiceThreadOnly 1424 private void clearLocalDevices() { 1425 assertRunOnServiceThread(); 1426 if (mCecController == null) { 1427 return; 1428 } 1429 mCecController.clearLogicalAddress(); 1430 mCecController.clearLocalDevices(); 1431 } 1432 1433 @ServiceThreadOnly 1434 private void onStandbyCompleted() { 1435 assertRunOnServiceThread(); 1436 Slog.v(TAG, "onStandbyCompleted"); 1437 1438 if (mPowerStatus != HdmiControlManager.POWER_STATUS_TRANSIENT_TO_STANDBY) { 1439 return; 1440 } 1441 mPowerStatus = HdmiControlManager.POWER_STATUS_STANDBY; 1442 for (HdmiCecLocalDevice device : mCecController.getLocalDeviceList()) { 1443 device.onStandby(mStandbyMessageReceived); 1444 } 1445 mStandbyMessageReceived = false; 1446 mCecController.setOption(HdmiTvClient.OPTION_CEC_SERVICE_CONTROL, HdmiTvClient.DISABLED); 1447 } 1448 1449 private void addVendorCommandListener(IHdmiVendorCommandListener listener, int deviceType) { 1450 VendorCommandListenerRecord record = new VendorCommandListenerRecord(listener, deviceType); 1451 try { 1452 listener.asBinder().linkToDeath(record, 0); 1453 } catch (RemoteException e) { 1454 Slog.w(TAG, "Listener already died"); 1455 return; 1456 } 1457 synchronized (mLock) { 1458 mVendorCommandListenerRecords.add(record); 1459 } 1460 } 1461 1462 void invokeVendorCommandListeners(int deviceType, int srcAddress, byte[] params, 1463 boolean hasVendorId) { 1464 synchronized (mLock) { 1465 for (VendorCommandListenerRecord record : mVendorCommandListenerRecords) { 1466 if (record.mDeviceType != deviceType) { 1467 continue; 1468 } 1469 try { 1470 record.mListener.onReceived(srcAddress, params, hasVendorId); 1471 } catch (RemoteException e) { 1472 Slog.e(TAG, "Failed to notify vendor command reception", e); 1473 } 1474 } 1475 } 1476 } 1477 1478 boolean isProhibitMode() { 1479 synchronized (mLock) { 1480 return mProhibitMode; 1481 } 1482 } 1483 1484 void setProhibitMode(boolean enabled) { 1485 synchronized (mLock) { 1486 mProhibitMode = enabled; 1487 } 1488 } 1489 1490 @ServiceThreadOnly 1491 private void handleHdmiControlStatusChanged(boolean enabled) { 1492 assertRunOnServiceThread(); 1493 1494 int value = enabled ? HdmiTvClient.ENABLED : HdmiTvClient.DISABLED; 1495 mCecController.setOption(HdmiTvClient.OPTION_CEC_ENABLE, value); 1496 if (mMhlController != null) { 1497 mMhlController.setOption(HdmiTvClient.OPTION_MHL_ENABLE, value); 1498 } 1499 1500 synchronized (mLock) { 1501 mHdmiControlEnabled = enabled; 1502 } 1503 1504 if (enabled) { 1505 initializeCec(false); 1506 } else { 1507 disableDevices(new PendingActionClearedCallback() { 1508 @Override 1509 public void onCleared(HdmiCecLocalDevice device) { 1510 assertRunOnServiceThread(); 1511 clearLocalDevices(); 1512 } 1513 }); 1514 } 1515 } 1516} 1517