HdmiControlService.java revision 350e68d0b80c22e6ec37dd683134f46079619803
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 static android.hardware.hdmi.HdmiControlManager.DEVICE_EVENT_ADD_DEVICE; 20import static android.hardware.hdmi.HdmiControlManager.DEVICE_EVENT_REMOVE_DEVICE; 21import static com.android.server.hdmi.Constants.DISABLED; 22import static com.android.server.hdmi.Constants.ENABLED; 23import static com.android.server.hdmi.Constants.OPTION_CEC_AUTO_WAKEUP; 24import static com.android.server.hdmi.Constants.OPTION_CEC_ENABLE; 25import static com.android.server.hdmi.Constants.OPTION_CEC_SERVICE_CONTROL; 26import static com.android.server.hdmi.Constants.OPTION_MHL_ENABLE; 27import static com.android.server.hdmi.Constants.OPTION_MHL_INPUT_SWITCHING; 28import static com.android.server.hdmi.Constants.OPTION_MHL_POWER_CHARGE; 29 30import android.annotation.Nullable; 31import android.content.BroadcastReceiver; 32import android.content.ContentResolver; 33import android.content.Context; 34import android.content.Intent; 35import android.content.IntentFilter; 36import android.database.ContentObserver; 37import android.hardware.hdmi.HdmiControlManager; 38import android.hardware.hdmi.HdmiDeviceInfo; 39import android.hardware.hdmi.HdmiHotplugEvent; 40import android.hardware.hdmi.HdmiPortInfo; 41import android.hardware.hdmi.IHdmiControlCallback; 42import android.hardware.hdmi.IHdmiControlService; 43import android.hardware.hdmi.IHdmiDeviceEventListener; 44import android.hardware.hdmi.IHdmiHotplugEventListener; 45import android.hardware.hdmi.IHdmiInputChangeListener; 46import android.hardware.hdmi.IHdmiRecordListener; 47import android.hardware.hdmi.IHdmiSystemAudioModeChangeListener; 48import android.hardware.hdmi.IHdmiVendorCommandListener; 49import android.media.AudioManager; 50import android.net.Uri; 51import android.os.Build; 52import android.os.Handler; 53import android.os.HandlerThread; 54import android.os.IBinder; 55import android.os.Looper; 56import android.os.PowerManager; 57import android.os.RemoteException; 58import android.os.SystemClock; 59import android.os.SystemProperties; 60import android.os.UserHandle; 61import android.provider.Settings.Global; 62import android.text.TextUtils; 63import android.util.ArraySet; 64import android.util.Slog; 65import android.util.SparseArray; 66import android.util.SparseIntArray; 67 68import com.android.internal.annotations.GuardedBy; 69import com.android.server.SystemService; 70import com.android.server.hdmi.HdmiAnnotations.ServiceThreadOnly; 71import com.android.server.hdmi.HdmiCecController.AllocateAddressCallback; 72import com.android.server.hdmi.HdmiCecLocalDevice.ActiveSource; 73import com.android.server.hdmi.HdmiCecLocalDevice.PendingActionClearedCallback; 74 75import libcore.util.EmptyArray; 76 77import java.util.ArrayList; 78import java.util.Arrays; 79import java.util.Collections; 80import java.util.List; 81 82/** 83 * Provides a service for sending and processing HDMI control messages, 84 * HDMI-CEC and MHL control command, and providing the information on both standard. 85 */ 86public final class HdmiControlService extends SystemService { 87 private static final String TAG = "HdmiControlService"; 88 89 static final String PERMISSION = "android.permission.HDMI_CEC"; 90 91 // The reason code to initiate intializeCec(). 92 static final int INITIATED_BY_ENABLE_CEC = 0; 93 static final int INITIATED_BY_BOOT_UP = 1; 94 static final int INITIATED_BY_SCREEN_ON = 2; 95 static final int INITIATED_BY_WAKE_UP_MESSAGE = 3; 96 97 /** 98 * Interface to report send result. 99 */ 100 interface SendMessageCallback { 101 /** 102 * Called when {@link HdmiControlService#sendCecCommand} is completed. 103 * 104 * @param error result of send request. 105 * <ul> 106 * <li>{@link Constants#SEND_RESULT_SUCCESS} 107 * <li>{@link Constants#SEND_RESULT_NAK} 108 * <li>{@link Constants#SEND_RESULT_FAILURE} 109 * </ul> 110 */ 111 void onSendCompleted(int error); 112 } 113 114 /** 115 * Interface to get a list of available logical devices. 116 */ 117 interface DevicePollingCallback { 118 /** 119 * Called when device polling is finished. 120 * 121 * @param ackedAddress a list of logical addresses of available devices 122 */ 123 void onPollingFinished(List<Integer> ackedAddress); 124 } 125 126 private class PowerStateReceiver extends BroadcastReceiver { 127 @Override 128 public void onReceive(Context context, Intent intent) { 129 switch (intent.getAction()) { 130 case Intent.ACTION_SCREEN_OFF: 131 if (isPowerOnOrTransient()) { 132 onStandby(); 133 } 134 break; 135 case Intent.ACTION_SCREEN_ON: 136 if (isPowerStandbyOrTransient()) { 137 onWakeUp(); 138 } 139 break; 140 } 141 } 142 } 143 144 // A thread to handle synchronous IO of CEC and MHL control service. 145 // Since all of CEC and MHL HAL interfaces processed in short time (< 200ms) 146 // and sparse call it shares a thread to handle IO operations. 147 private final HandlerThread mIoThread = new HandlerThread("Hdmi Control Io Thread"); 148 149 // Used to synchronize the access to the service. 150 private final Object mLock = new Object(); 151 152 // Type of logical devices hosted in the system. Stored in the unmodifiable list. 153 private final List<Integer> mLocalDevices; 154 155 // List of listeners registered by callers that want to get notified of 156 // hotplug events. 157 @GuardedBy("mLock") 158 private final ArrayList<IHdmiHotplugEventListener> mHotplugEventListeners = new ArrayList<>(); 159 160 // List of records for hotplug event listener to handle the the caller killed in action. 161 @GuardedBy("mLock") 162 private final ArrayList<HotplugEventListenerRecord> mHotplugEventListenerRecords = 163 new ArrayList<>(); 164 165 // List of listeners registered by callers that want to get notified of 166 // device status events. 167 @GuardedBy("mLock") 168 private final ArrayList<IHdmiDeviceEventListener> mDeviceEventListeners = new ArrayList<>(); 169 170 // List of records for device event listener to handle the the caller killed in action. 171 @GuardedBy("mLock") 172 private final ArrayList<DeviceEventListenerRecord> mDeviceEventListenerRecords = 173 new ArrayList<>(); 174 175 // List of records for vendor command listener to handle the the caller killed in action. 176 @GuardedBy("mLock") 177 private final ArrayList<VendorCommandListenerRecord> mVendorCommandListenerRecords = 178 new ArrayList<>(); 179 180 @GuardedBy("mLock") 181 private IHdmiInputChangeListener mInputChangeListener; 182 183 @GuardedBy("mLock") 184 private InputChangeListenerRecord mInputChangeListenerRecord; 185 186 @GuardedBy("mLock") 187 private IHdmiRecordListener mRecordListener; 188 189 @GuardedBy("mLock") 190 private HdmiRecordListenerRecord mRecordListenerRecord; 191 192 // Set to true while HDMI control is enabled. If set to false, HDMI-CEC/MHL protocol 193 // handling will be disabled and no request will be handled. 194 @GuardedBy("mLock") 195 private boolean mHdmiControlEnabled; 196 197 // Set to true while the service is in normal mode. While set to false, no input change is 198 // allowed. Used for situations where input change can confuse users such as channel auto-scan, 199 // system upgrade, etc., a.k.a. "prohibit mode". 200 @GuardedBy("mLock") 201 private boolean mProhibitMode; 202 203 // Set to true while the input change by MHL is allowed. 204 @GuardedBy("mLock") 205 private boolean mMhlInputChangeEnabled; 206 207 @GuardedBy("mLock") 208 private List<HdmiDeviceInfo> mMhlDevices; 209 210 // List of listeners registered by callers that want to get notified of 211 // system audio mode changes. 212 private final ArrayList<IHdmiSystemAudioModeChangeListener> 213 mSystemAudioModeChangeListeners = new ArrayList<>(); 214 // List of records for system audio mode change to handle the the caller killed in action. 215 private final ArrayList<SystemAudioModeChangeListenerRecord> 216 mSystemAudioModeChangeListenerRecords = new ArrayList<>(); 217 218 // Handler used to run a task in service thread. 219 private final Handler mHandler = new Handler(); 220 221 private final SettingsObserver mSettingsObserver; 222 223 @Nullable 224 private HdmiCecController mCecController; 225 226 @Nullable 227 private HdmiMhlController mMhlController; 228 229 // HDMI port information. Stored in the unmodifiable list to keep the static information 230 // from being modified. 231 private List<HdmiPortInfo> mPortInfo; 232 233 // Map from path(physical address) to port ID. 234 private UnmodifiableSparseIntArray mPortIdMap; 235 236 // Map from port ID to HdmiPortInfo. 237 private UnmodifiableSparseArray<HdmiPortInfo> mPortInfoMap; 238 239 private HdmiCecMessageValidator mMessageValidator; 240 241 private final PowerStateReceiver mPowerStateReceiver = new PowerStateReceiver(); 242 243 @ServiceThreadOnly 244 private int mPowerStatus = HdmiControlManager.POWER_STATUS_STANDBY; 245 246 @ServiceThreadOnly 247 private boolean mStandbyMessageReceived = false; 248 249 @ServiceThreadOnly 250 private boolean mWakeUpMessageReceived = false; 251 252 @ServiceThreadOnly 253 private int mActivePortId = Constants.INVALID_PORT_ID; 254 255 public HdmiControlService(Context context) { 256 super(context); 257 mLocalDevices = getIntList(SystemProperties.get(Constants.PROPERTY_DEVICE_TYPE)); 258 mSettingsObserver = new SettingsObserver(mHandler); 259 } 260 261 private static List<Integer> getIntList(String string) { 262 ArrayList<Integer> list = new ArrayList<>(); 263 TextUtils.SimpleStringSplitter splitter = new TextUtils.SimpleStringSplitter(','); 264 splitter.setString(string); 265 for (String item : splitter) { 266 try { 267 list.add(Integer.parseInt(item)); 268 } catch (NumberFormatException e) { 269 Slog.w(TAG, "Can't parseInt: " + item); 270 } 271 } 272 return Collections.unmodifiableList(list); 273 } 274 275 @Override 276 public void onStart() { 277 mIoThread.start(); 278 mPowerStatus = HdmiControlManager.POWER_STATUS_TRANSIENT_TO_ON; 279 mProhibitMode = false; 280 mHdmiControlEnabled = readBooleanSetting(Global.HDMI_CONTROL_ENABLED, true); 281 mMhlInputChangeEnabled = readBooleanSetting(Global.MHL_INPUT_SWITCHING_ENABLED, true); 282 283 mCecController = HdmiCecController.create(this); 284 if (mCecController != null) { 285 // TODO: Remove this as soon as OEM's HAL implementation is corrected. 286 mCecController.setOption(OPTION_CEC_ENABLE, ENABLED); 287 288 // TODO: load value for mHdmiControlEnabled from preference. 289 if (mHdmiControlEnabled) { 290 initializeCec(INITIATED_BY_BOOT_UP); 291 } 292 } else { 293 Slog.i(TAG, "Device does not support HDMI-CEC."); 294 } 295 296 mMhlController = HdmiMhlController.create(this); 297 if (mMhlController == null) { 298 Slog.i(TAG, "Device does not support MHL-control."); 299 } 300 initPortInfo(); 301 mMhlDevices = Collections.emptyList(); 302 mMessageValidator = new HdmiCecMessageValidator(this); 303 publishBinderService(Context.HDMI_CONTROL_SERVICE, new BinderService()); 304 305 // Register broadcast receiver for power state change. 306 if (mCecController != null || mMhlController != null) { 307 IntentFilter filter = new IntentFilter(); 308 filter.addAction(Intent.ACTION_SCREEN_OFF); 309 filter.addAction(Intent.ACTION_SCREEN_ON); 310 getContext().registerReceiver(mPowerStateReceiver, filter); 311 } 312 } 313 314 /** 315 * Called when the initialization of local devices is complete. 316 */ 317 private void onInitializeCecComplete() { 318 if (mPowerStatus == HdmiControlManager.POWER_STATUS_TRANSIENT_TO_ON) { 319 mPowerStatus = HdmiControlManager.POWER_STATUS_ON; 320 } 321 mWakeUpMessageReceived = false; 322 323 if (isTvDevice()) { 324 mCecController.setOption(OPTION_CEC_AUTO_WAKEUP, toInt(tv().getAutoWakeup())); 325 registerContentObserver(); 326 } 327 } 328 329 private void registerContentObserver() { 330 ContentResolver resolver = getContext().getContentResolver(); 331 String[] settings = new String[] { 332 Global.HDMI_CONTROL_ENABLED, 333 Global.HDMI_CONTROL_AUTO_WAKEUP_ENABLED, 334 Global.HDMI_CONTROL_AUTO_DEVICE_OFF_ENABLED, 335 Global.MHL_INPUT_SWITCHING_ENABLED, 336 Global.MHL_POWER_CHARGE_ENABLED 337 }; 338 for (String s : settings) { 339 resolver.registerContentObserver(Global.getUriFor(s), false, mSettingsObserver, 340 UserHandle.USER_ALL); 341 } 342 } 343 344 private class SettingsObserver extends ContentObserver { 345 public SettingsObserver(Handler handler) { 346 super(handler); 347 } 348 349 @Override 350 public void onChange(boolean selfChange, Uri uri) { 351 String option = uri.getLastPathSegment(); 352 boolean enabled = readBooleanSetting(option, true); 353 switch (option) { 354 case Global.HDMI_CONTROL_ENABLED: 355 setControlEnabled(enabled); 356 break; 357 case Global.HDMI_CONTROL_AUTO_WAKEUP_ENABLED: 358 tv().setAutoWakeup(enabled); 359 setCecOption(OPTION_CEC_AUTO_WAKEUP, toInt(enabled)); 360 break; 361 case Global.HDMI_CONTROL_AUTO_DEVICE_OFF_ENABLED: 362 tv().setAutoDeviceOff(enabled); 363 // No need to propagate to HAL. 364 break; 365 case Global.MHL_INPUT_SWITCHING_ENABLED: 366 setMhlInputChangeEnabled(enabled); 367 break; 368 case Global.MHL_POWER_CHARGE_ENABLED: 369 if (mMhlController != null) { 370 mMhlController.setOption(OPTION_MHL_POWER_CHARGE, toInt(enabled)); 371 } 372 break; 373 } 374 } 375 } 376 377 private static int toInt(boolean enabled) { 378 return enabled ? ENABLED : DISABLED; 379 } 380 381 boolean readBooleanSetting(String key, boolean defVal) { 382 ContentResolver cr = getContext().getContentResolver(); 383 return Global.getInt(cr, key, toInt(defVal)) == ENABLED; 384 } 385 386 void writeBooleanSetting(String key, boolean value) { 387 ContentResolver cr = getContext().getContentResolver(); 388 Global.putInt(cr, key, toInt(value)); 389 } 390 391 private void unregisterSettingsObserver() { 392 getContext().getContentResolver().unregisterContentObserver(mSettingsObserver); 393 } 394 395 private void initializeCec(int initiatedBy) { 396 mCecController.setOption(OPTION_CEC_SERVICE_CONTROL, ENABLED); 397 initializeLocalDevices(mLocalDevices, initiatedBy); 398 } 399 400 @ServiceThreadOnly 401 private void initializeLocalDevices(final List<Integer> deviceTypes, final int initiatedBy) { 402 assertRunOnServiceThread(); 403 // A container for [Logical Address, Local device info]. 404 final SparseArray<HdmiCecLocalDevice> devices = new SparseArray<>(); 405 final int[] finished = new int[1]; 406 clearLocalDevices(); 407 for (int type : deviceTypes) { 408 final HdmiCecLocalDevice localDevice = HdmiCecLocalDevice.create(this, type); 409 localDevice.init(); 410 mCecController.allocateLogicalAddress(type, 411 localDevice.getPreferredAddress(), new AllocateAddressCallback() { 412 @Override 413 public void onAllocated(int deviceType, int logicalAddress) { 414 if (logicalAddress == Constants.ADDR_UNREGISTERED) { 415 Slog.e(TAG, "Failed to allocate address:[device_type:" + deviceType + "]"); 416 } else { 417 // Set POWER_STATUS_ON to all local devices because they share lifetime 418 // with system. 419 HdmiDeviceInfo deviceInfo = createDeviceInfo(logicalAddress, deviceType, 420 HdmiControlManager.POWER_STATUS_ON); 421 localDevice.setDeviceInfo(deviceInfo); 422 mCecController.addLocalDevice(deviceType, localDevice); 423 mCecController.addLogicalAddress(logicalAddress); 424 devices.append(logicalAddress, localDevice); 425 } 426 427 // Address allocation completed for all devices. Notify each device. 428 if (deviceTypes.size() == ++finished[0]) { 429 onInitializeCecComplete(); 430 notifyAddressAllocated(devices, initiatedBy); 431 } 432 } 433 }); 434 } 435 } 436 437 @ServiceThreadOnly 438 private void notifyAddressAllocated(SparseArray<HdmiCecLocalDevice> devices, int initiatedBy) { 439 assertRunOnServiceThread(); 440 for (int i = 0; i < devices.size(); ++i) { 441 int address = devices.keyAt(i); 442 HdmiCecLocalDevice device = devices.valueAt(i); 443 device.handleAddressAllocated(address, initiatedBy); 444 } 445 } 446 447 // Initialize HDMI port information. Combine the information from CEC and MHL HAL and 448 // keep them in one place. 449 @ServiceThreadOnly 450 private void initPortInfo() { 451 assertRunOnServiceThread(); 452 HdmiPortInfo[] cecPortInfo = null; 453 454 // CEC HAL provides majority of the info while MHL does only MHL support flag for 455 // each port. Return empty array if CEC HAL didn't provide the info. 456 if (mCecController != null) { 457 cecPortInfo = mCecController.getPortInfos(); 458 } 459 if (cecPortInfo == null) { 460 return; 461 } 462 463 SparseArray<HdmiPortInfo> portInfoMap = new SparseArray<>(); 464 SparseIntArray portIdMap = new SparseIntArray(); 465 for (HdmiPortInfo info : cecPortInfo) { 466 portIdMap.put(info.getAddress(), info.getId()); 467 portInfoMap.put(info.getId(), info); 468 } 469 mPortIdMap = new UnmodifiableSparseIntArray(portIdMap); 470 mPortInfoMap = new UnmodifiableSparseArray<>(portInfoMap); 471 472 if (mMhlController == null) { 473 mPortInfo = Collections.unmodifiableList(Arrays.asList(cecPortInfo)); 474 return; 475 } else { 476 HdmiPortInfo[] mhlPortInfo = mMhlController.getPortInfos(); 477 ArraySet<Integer> mhlSupportedPorts = new ArraySet<Integer>(mhlPortInfo.length); 478 for (HdmiPortInfo info : mhlPortInfo) { 479 if (info.isMhlSupported()) { 480 mhlSupportedPorts.add(info.getId()); 481 } 482 } 483 484 // Build HDMI port info list with CEC port info plus MHL supported flag. 485 ArrayList<HdmiPortInfo> result = new ArrayList<>(cecPortInfo.length); 486 for (HdmiPortInfo info : cecPortInfo) { 487 if (mhlSupportedPorts.contains(info.getId())) { 488 result.add(new HdmiPortInfo(info.getId(), info.getType(), info.getAddress(), 489 info.isCecSupported(), true, info.isArcSupported())); 490 } else { 491 result.add(info); 492 } 493 } 494 mPortInfo = Collections.unmodifiableList(result); 495 } 496 } 497 498 /** 499 * Returns HDMI port information for the given port id. 500 * 501 * @param portId HDMI port id 502 * @return {@link HdmiPortInfo} for the given port 503 */ 504 HdmiPortInfo getPortInfo(int portId) { 505 return mPortInfoMap.get(portId, null); 506 } 507 508 /** 509 * Returns the routing path (physical address) of the HDMI port for the given 510 * port id. 511 */ 512 int portIdToPath(int portId) { 513 HdmiPortInfo portInfo = getPortInfo(portId); 514 if (portInfo == null) { 515 Slog.e(TAG, "Cannot find the port info: " + portId); 516 return Constants.INVALID_PHYSICAL_ADDRESS; 517 } 518 return portInfo.getAddress(); 519 } 520 521 /** 522 * Returns the id of HDMI port located at the top of the hierarchy of 523 * the specified routing path. For the routing path 0x1220 (1.2.2.0), for instance, 524 * the port id to be returned is the ID associated with the port address 525 * 0x1000 (1.0.0.0) which is the topmost path of the given routing path. 526 */ 527 int pathToPortId(int path) { 528 int portAddress = path & Constants.ROUTING_PATH_TOP_MASK; 529 return mPortIdMap.get(portAddress, Constants.INVALID_PORT_ID); 530 } 531 532 boolean isValidPortId(int portId) { 533 return getPortInfo(portId) != null; 534 } 535 536 /** 537 * Returns {@link Looper} for IO operation. 538 * 539 * <p>Declared as package-private. 540 */ 541 Looper getIoLooper() { 542 return mIoThread.getLooper(); 543 } 544 545 /** 546 * Returns {@link Looper} of main thread. Use this {@link Looper} instance 547 * for tasks that are running on main service thread. 548 * 549 * <p>Declared as package-private. 550 */ 551 Looper getServiceLooper() { 552 return mHandler.getLooper(); 553 } 554 555 /** 556 * Returns physical address of the device. 557 */ 558 int getPhysicalAddress() { 559 return mCecController.getPhysicalAddress(); 560 } 561 562 /** 563 * Returns vendor id of CEC service. 564 */ 565 int getVendorId() { 566 return mCecController.getVendorId(); 567 } 568 569 @ServiceThreadOnly 570 HdmiDeviceInfo getDeviceInfo(int logicalAddress) { 571 assertRunOnServiceThread(); 572 HdmiCecLocalDeviceTv tv = tv(); 573 if (tv == null) { 574 return null; 575 } 576 return tv.getCecDeviceInfo(logicalAddress); 577 } 578 579 /** 580 * Returns version of CEC. 581 */ 582 int getCecVersion() { 583 return mCecController.getVersion(); 584 } 585 586 /** 587 * Whether a device of the specified physical address is connected to ARC enabled port. 588 */ 589 boolean isConnectedToArcPort(int physicalAddress) { 590 int portId = mPortIdMap.get(physicalAddress); 591 if (portId != Constants.INVALID_PORT_ID) { 592 return mPortInfoMap.get(portId).isArcSupported(); 593 } 594 return false; 595 } 596 597 void runOnServiceThread(Runnable runnable) { 598 mHandler.post(runnable); 599 } 600 601 void runOnServiceThreadAtFrontOfQueue(Runnable runnable) { 602 mHandler.postAtFrontOfQueue(runnable); 603 } 604 605 private void assertRunOnServiceThread() { 606 if (Looper.myLooper() != mHandler.getLooper()) { 607 throw new IllegalStateException("Should run on service thread."); 608 } 609 } 610 611 /** 612 * Transmit a CEC command to CEC bus. 613 * 614 * @param command CEC command to send out 615 * @param callback interface used to the result of send command 616 */ 617 @ServiceThreadOnly 618 void sendCecCommand(HdmiCecMessage command, @Nullable SendMessageCallback callback) { 619 assertRunOnServiceThread(); 620 if (mMessageValidator.isValid(command)) { 621 mCecController.sendCommand(command, callback); 622 } else { 623 Slog.e(TAG, "Invalid message type:" + command); 624 if (callback != null) { 625 callback.onSendCompleted(Constants.SEND_RESULT_FAILURE); 626 } 627 } 628 } 629 630 @ServiceThreadOnly 631 void sendCecCommand(HdmiCecMessage command) { 632 assertRunOnServiceThread(); 633 sendCecCommand(command, null); 634 } 635 636 @ServiceThreadOnly 637 void sendMhlSubcommand(int portId, HdmiMhlSubcommand command) { 638 assertRunOnServiceThread(); 639 sendMhlSubcommand(portId, command, null); 640 } 641 642 @ServiceThreadOnly 643 void sendMhlSubcommand(int portId, HdmiMhlSubcommand command, SendMessageCallback callback) { 644 assertRunOnServiceThread(); 645 mMhlController.sendSubcommand(portId, command, callback); 646 } 647 648 /** 649 * Send <Feature Abort> command on the given CEC message if possible. 650 * If the aborted message is invalid, then it wont send the message. 651 * @param command original command to be aborted 652 * @param reason reason of feature abort 653 */ 654 @ServiceThreadOnly 655 void maySendFeatureAbortCommand(HdmiCecMessage command, int reason) { 656 assertRunOnServiceThread(); 657 mCecController.maySendFeatureAbortCommand(command, reason); 658 } 659 660 @ServiceThreadOnly 661 boolean handleCecCommand(HdmiCecMessage message) { 662 assertRunOnServiceThread(); 663 if (!mMessageValidator.isValid(message)) { 664 return false; 665 } 666 return dispatchMessageToLocalDevice(message); 667 } 668 669 void setAudioReturnChannel(boolean enabled) { 670 mCecController.setAudioReturnChannel(enabled); 671 } 672 673 @ServiceThreadOnly 674 private boolean dispatchMessageToLocalDevice(HdmiCecMessage message) { 675 assertRunOnServiceThread(); 676 for (HdmiCecLocalDevice device : mCecController.getLocalDeviceList()) { 677 if (device.dispatchMessage(message) 678 && message.getDestination() != Constants.ADDR_BROADCAST) { 679 return true; 680 } 681 } 682 683 if (message.getDestination() != Constants.ADDR_BROADCAST) { 684 Slog.w(TAG, "Unhandled cec command:" + message); 685 } 686 return false; 687 } 688 689 /** 690 * Called when a new hotplug event is issued. 691 * 692 * @param portId hdmi port number where hot plug event issued. 693 * @param connected whether to be plugged in or not 694 */ 695 @ServiceThreadOnly 696 void onHotplug(int portId, boolean connected) { 697 assertRunOnServiceThread(); 698 for (HdmiCecLocalDevice device : mCecController.getLocalDeviceList()) { 699 device.onHotplug(portId, connected); 700 } 701 announceHotplugEvent(portId, connected); 702 } 703 704 /** 705 * Poll all remote devices. It sends <Polling Message> to all remote 706 * devices. 707 * 708 * @param callback an interface used to get a list of all remote devices' address 709 * @param sourceAddress a logical address of source device where sends polling message 710 * @param pickStrategy strategy how to pick polling candidates 711 * @param retryCount the number of retry used to send polling message to remote devices 712 * @throw IllegalArgumentException if {@code pickStrategy} is invalid value 713 */ 714 @ServiceThreadOnly 715 void pollDevices(DevicePollingCallback callback, int sourceAddress, int pickStrategy, 716 int retryCount) { 717 assertRunOnServiceThread(); 718 mCecController.pollDevices(callback, sourceAddress, checkPollStrategy(pickStrategy), 719 retryCount); 720 } 721 722 private int checkPollStrategy(int pickStrategy) { 723 int strategy = pickStrategy & Constants.POLL_STRATEGY_MASK; 724 if (strategy == 0) { 725 throw new IllegalArgumentException("Invalid poll strategy:" + pickStrategy); 726 } 727 int iterationStrategy = pickStrategy & Constants.POLL_ITERATION_STRATEGY_MASK; 728 if (iterationStrategy == 0) { 729 throw new IllegalArgumentException("Invalid iteration strategy:" + pickStrategy); 730 } 731 return strategy | iterationStrategy; 732 } 733 734 List<HdmiCecLocalDevice> getAllLocalDevices() { 735 assertRunOnServiceThread(); 736 return mCecController.getLocalDeviceList(); 737 } 738 739 Object getServiceLock() { 740 return mLock; 741 } 742 743 void setAudioStatus(boolean mute, int volume) { 744 AudioManager audioManager = getAudioManager(); 745 boolean muted = audioManager.isStreamMute(AudioManager.STREAM_MUSIC); 746 if (mute) { 747 if (!muted) { 748 audioManager.setStreamMute(AudioManager.STREAM_MUSIC, true); 749 } 750 } else { 751 if (muted) { 752 audioManager.setStreamMute(AudioManager.STREAM_MUSIC, false); 753 } 754 // FLAG_HDMI_SYSTEM_AUDIO_VOLUME prevents audio manager from announcing 755 // volume change notification back to hdmi control service. 756 audioManager.setStreamVolume(AudioManager.STREAM_MUSIC, volume, 757 AudioManager.FLAG_SHOW_UI | 758 AudioManager.FLAG_HDMI_SYSTEM_AUDIO_VOLUME); 759 } 760 } 761 762 void announceSystemAudioModeChange(boolean enabled) { 763 for (IHdmiSystemAudioModeChangeListener listener : mSystemAudioModeChangeListeners) { 764 invokeSystemAudioModeChange(listener, enabled); 765 } 766 } 767 768 private HdmiDeviceInfo createDeviceInfo(int logicalAddress, int deviceType, int powerStatus) { 769 // TODO: find better name instead of model name. 770 String displayName = Build.MODEL; 771 return new HdmiDeviceInfo(logicalAddress, 772 getPhysicalAddress(), pathToPortId(getPhysicalAddress()), deviceType, 773 getVendorId(), displayName); 774 } 775 776 @ServiceThreadOnly 777 boolean handleMhlSubcommand(int portId, HdmiMhlSubcommand message) { 778 assertRunOnServiceThread(); 779 780 HdmiMhlLocalDevice device = mMhlController.getLocalDevice(portId); 781 if (device != null) { 782 return device.handleSubcommand(message); 783 } 784 Slog.w(TAG, "No mhl device exists[portId:" + portId + ", message:" + message); 785 return false; 786 } 787 788 @ServiceThreadOnly 789 void handleMhlHotplugEvent(int portId, boolean connected) { 790 assertRunOnServiceThread(); 791 if (connected) { 792 HdmiMhlLocalDevice newDevice = new HdmiMhlLocalDevice(this, portId); 793 HdmiMhlLocalDevice oldDevice = mMhlController.addLocalDevice(newDevice); 794 if (oldDevice != null) { 795 oldDevice.onDeviceRemoved(); 796 Slog.i(TAG, "Old device of port " + portId + " is removed"); 797 } 798 } else { 799 HdmiMhlLocalDevice device = mMhlController.removeLocalDevice(portId); 800 if (device != null) { 801 device.onDeviceRemoved(); 802 // There is no explicit event for device removal unlike capability register event 803 // used for device addition . Hence we remove the device on hotplug event. 804 invokeDeviceEventListeners(device.getInfo(), DEVICE_EVENT_REMOVE_DEVICE); 805 updateSafeMhlInput(); 806 } else { 807 Slog.w(TAG, "No device to remove:[portId=" + portId); 808 } 809 } 810 announceHotplugEvent(portId, connected); 811 } 812 813 @ServiceThreadOnly 814 void handleMhlCbusModeChanged(int portId, int cbusmode) { 815 assertRunOnServiceThread(); 816 HdmiMhlLocalDevice device = mMhlController.getLocalDevice(portId); 817 if (device != null) { 818 device.setCbusMode(cbusmode); 819 } else { 820 Slog.w(TAG, "No mhl device exists for cbus mode change[portId:" + portId + 821 ", cbusmode:" + cbusmode + "]"); 822 } 823 } 824 825 @ServiceThreadOnly 826 void handleMhlVbusOvercurrent(int portId, boolean on) { 827 assertRunOnServiceThread(); 828 HdmiMhlLocalDevice device = mMhlController.getLocalDevice(portId); 829 if (device != null) { 830 device.onVbusOvercurrentDetected(on); 831 } else { 832 Slog.w(TAG, "No mhl device exists for vbus overcurrent event[portId:" + portId + "]"); 833 } 834 } 835 836 @ServiceThreadOnly 837 void handleMhlCapabilityRegisterChanged(int portId, int adopterId, int deviceId) { 838 assertRunOnServiceThread(); 839 HdmiMhlLocalDevice device = mMhlController.getLocalDevice(portId); 840 841 // Hotplug event should already have been called before capability register change event. 842 if (device != null) { 843 device.setCapabilityRegister(adopterId, deviceId); 844 invokeDeviceEventListeners(device.getInfo(), DEVICE_EVENT_ADD_DEVICE); 845 updateSafeMhlInput(); 846 } else { 847 Slog.w(TAG, "No mhl device exists for capability register change event[portId:" 848 + portId + ", adopterId:" + adopterId + ", deviceId:" + deviceId + "]"); 849 } 850 } 851 852 @ServiceThreadOnly 853 private void updateSafeMhlInput() { 854 assertRunOnServiceThread(); 855 List<HdmiDeviceInfo> inputs = Collections.emptyList(); 856 SparseArray<HdmiMhlLocalDevice> devices = mMhlController.getAllLocalDevices(); 857 for (int i = 0; i < devices.size(); ++i) { 858 HdmiMhlLocalDevice device = devices.valueAt(i); 859 HdmiDeviceInfo info = device.getInfo(); 860 if (info != null) { 861 if (inputs.isEmpty()) { 862 inputs = new ArrayList<>(); 863 } 864 inputs.add(device.getInfo()); 865 } 866 } 867 synchronized (mLock) { 868 mMhlDevices = inputs; 869 } 870 } 871 872 private List<HdmiDeviceInfo> getMhlDevicesLocked() { 873 return mMhlDevices; 874 } 875 876 // Record class that monitors the event of the caller of being killed. Used to clean up 877 // the listener list and record list accordingly. 878 private final class HotplugEventListenerRecord implements IBinder.DeathRecipient { 879 private final IHdmiHotplugEventListener mListener; 880 881 public HotplugEventListenerRecord(IHdmiHotplugEventListener listener) { 882 mListener = listener; 883 } 884 885 @Override 886 public void binderDied() { 887 synchronized (mLock) { 888 mHotplugEventListenerRecords.remove(this); 889 mHotplugEventListeners.remove(mListener); 890 } 891 } 892 } 893 894 private final class DeviceEventListenerRecord implements IBinder.DeathRecipient { 895 private final IHdmiDeviceEventListener mListener; 896 897 public DeviceEventListenerRecord(IHdmiDeviceEventListener listener) { 898 mListener = listener; 899 } 900 901 @Override 902 public void binderDied() { 903 synchronized (mLock) { 904 mDeviceEventListenerRecords.remove(this); 905 mDeviceEventListeners.remove(mListener); 906 } 907 } 908 } 909 910 private final class SystemAudioModeChangeListenerRecord implements IBinder.DeathRecipient { 911 private final IHdmiSystemAudioModeChangeListener mListener; 912 913 public SystemAudioModeChangeListenerRecord(IHdmiSystemAudioModeChangeListener listener) { 914 mListener = listener; 915 } 916 917 @Override 918 public void binderDied() { 919 synchronized (mLock) { 920 mSystemAudioModeChangeListenerRecords.remove(this); 921 mSystemAudioModeChangeListeners.remove(mListener); 922 } 923 } 924 } 925 926 class VendorCommandListenerRecord implements IBinder.DeathRecipient { 927 private final IHdmiVendorCommandListener mListener; 928 private final int mDeviceType; 929 930 public VendorCommandListenerRecord(IHdmiVendorCommandListener listener, int deviceType) { 931 mListener = listener; 932 mDeviceType = deviceType; 933 } 934 935 @Override 936 public void binderDied() { 937 synchronized (mLock) { 938 mVendorCommandListenerRecords.remove(this); 939 } 940 } 941 } 942 943 private class HdmiRecordListenerRecord implements IBinder.DeathRecipient { 944 @Override 945 public void binderDied() { 946 synchronized (mLock) { 947 mRecordListener = null; 948 } 949 } 950 } 951 952 private void enforceAccessPermission() { 953 getContext().enforceCallingOrSelfPermission(PERMISSION, TAG); 954 } 955 956 private final class BinderService extends IHdmiControlService.Stub { 957 @Override 958 public int[] getSupportedTypes() { 959 enforceAccessPermission(); 960 // mLocalDevices is an unmodifiable list - no lock necesary. 961 int[] localDevices = new int[mLocalDevices.size()]; 962 for (int i = 0; i < localDevices.length; ++i) { 963 localDevices[i] = mLocalDevices.get(i); 964 } 965 return localDevices; 966 } 967 968 @Override 969 public HdmiDeviceInfo getActiveSource() { 970 HdmiCecLocalDeviceTv tv = tv(); 971 if (tv == null) { 972 Slog.w(TAG, "Local tv device not available"); 973 return null; 974 } 975 ActiveSource activeSource = tv.getActiveSource(); 976 if (activeSource.isValid()) { 977 return new HdmiDeviceInfo(activeSource.logicalAddress, 978 activeSource.physicalAddress, HdmiDeviceInfo.PORT_INVALID, 979 HdmiDeviceInfo.DEVICE_INACTIVE, 0, ""); 980 } 981 int activePath = tv.getActivePath(); 982 if (activePath != HdmiDeviceInfo.PATH_INVALID) { 983 return new HdmiDeviceInfo(activePath, tv.getActivePortId()); 984 } 985 return null; 986 } 987 988 @Override 989 public void deviceSelect(final int deviceId, final IHdmiControlCallback callback) { 990 enforceAccessPermission(); 991 runOnServiceThread(new Runnable() { 992 @Override 993 public void run() { 994 if (callback == null) { 995 Slog.e(TAG, "Callback cannot be null"); 996 return; 997 } 998 HdmiCecLocalDeviceTv tv = tv(); 999 if (tv == null) { 1000 Slog.w(TAG, "Local tv device not available"); 1001 invokeCallback(callback, HdmiControlManager.RESULT_SOURCE_NOT_AVAILABLE); 1002 return; 1003 } 1004 tv.deviceSelect(deviceId, callback); 1005 } 1006 }); 1007 } 1008 1009 @Override 1010 public void portSelect(final int portId, final IHdmiControlCallback callback) { 1011 enforceAccessPermission(); 1012 runOnServiceThread(new Runnable() { 1013 @Override 1014 public void run() { 1015 if (callback == null) { 1016 Slog.e(TAG, "Callback cannot be null"); 1017 return; 1018 } 1019 HdmiCecLocalDeviceTv tv = tv(); 1020 if (tv == null) { 1021 Slog.w(TAG, "Local tv device not available"); 1022 invokeCallback(callback, HdmiControlManager.RESULT_SOURCE_NOT_AVAILABLE); 1023 return; 1024 } 1025 tv.doManualPortSwitching(portId, callback); 1026 } 1027 }); 1028 } 1029 1030 @Override 1031 public void sendKeyEvent(final int deviceType, final int keyCode, final boolean isPressed) { 1032 enforceAccessPermission(); 1033 runOnServiceThread(new Runnable() { 1034 @Override 1035 public void run() { 1036 if (mMhlController != null) { 1037 HdmiMhlLocalDevice device = mMhlController.getLocalDevice(mActivePortId); 1038 if (device != null) { 1039 device.sendKeyEvent(keyCode, isPressed); 1040 return; 1041 } 1042 } 1043 if (mCecController != null) { 1044 HdmiCecLocalDevice localDevice = mCecController.getLocalDevice(deviceType); 1045 if (localDevice == null) { 1046 Slog.w(TAG, "Local device not available"); 1047 return; 1048 } 1049 localDevice.sendKeyEvent(keyCode, isPressed); 1050 } 1051 } 1052 }); 1053 } 1054 1055 @Override 1056 public void oneTouchPlay(final IHdmiControlCallback callback) { 1057 enforceAccessPermission(); 1058 runOnServiceThread(new Runnable() { 1059 @Override 1060 public void run() { 1061 HdmiControlService.this.oneTouchPlay(callback); 1062 } 1063 }); 1064 } 1065 1066 @Override 1067 public void queryDisplayStatus(final IHdmiControlCallback callback) { 1068 enforceAccessPermission(); 1069 runOnServiceThread(new Runnable() { 1070 @Override 1071 public void run() { 1072 HdmiControlService.this.queryDisplayStatus(callback); 1073 } 1074 }); 1075 } 1076 1077 @Override 1078 public void addHotplugEventListener(final IHdmiHotplugEventListener listener) { 1079 enforceAccessPermission(); 1080 runOnServiceThread(new Runnable() { 1081 @Override 1082 public void run() { 1083 HdmiControlService.this.addHotplugEventListener(listener); 1084 } 1085 }); 1086 } 1087 1088 @Override 1089 public void removeHotplugEventListener(final IHdmiHotplugEventListener listener) { 1090 enforceAccessPermission(); 1091 runOnServiceThread(new Runnable() { 1092 @Override 1093 public void run() { 1094 HdmiControlService.this.removeHotplugEventListener(listener); 1095 } 1096 }); 1097 } 1098 1099 @Override 1100 public void addDeviceEventListener(final IHdmiDeviceEventListener listener) { 1101 enforceAccessPermission(); 1102 runOnServiceThread(new Runnable() { 1103 @Override 1104 public void run() { 1105 HdmiControlService.this.addDeviceEventListener(listener); 1106 } 1107 }); 1108 } 1109 1110 @Override 1111 public List<HdmiPortInfo> getPortInfo() { 1112 enforceAccessPermission(); 1113 return mPortInfo; 1114 } 1115 1116 @Override 1117 public boolean canChangeSystemAudioMode() { 1118 enforceAccessPermission(); 1119 HdmiCecLocalDeviceTv tv = tv(); 1120 if (tv == null) { 1121 return false; 1122 } 1123 return tv.hasSystemAudioDevice(); 1124 } 1125 1126 @Override 1127 public boolean getSystemAudioMode() { 1128 enforceAccessPermission(); 1129 HdmiCecLocalDeviceTv tv = tv(); 1130 if (tv == null) { 1131 return false; 1132 } 1133 return tv.isSystemAudioActivated(); 1134 } 1135 1136 @Override 1137 public void setSystemAudioMode(final boolean enabled, final IHdmiControlCallback callback) { 1138 enforceAccessPermission(); 1139 runOnServiceThread(new Runnable() { 1140 @Override 1141 public void run() { 1142 HdmiCecLocalDeviceTv tv = tv(); 1143 if (tv == null) { 1144 Slog.w(TAG, "Local tv device not available"); 1145 invokeCallback(callback, HdmiControlManager.RESULT_SOURCE_NOT_AVAILABLE); 1146 return; 1147 } 1148 tv.changeSystemAudioMode(enabled, callback); 1149 } 1150 }); 1151 } 1152 1153 @Override 1154 public void addSystemAudioModeChangeListener( 1155 final IHdmiSystemAudioModeChangeListener listener) { 1156 enforceAccessPermission(); 1157 HdmiControlService.this.addSystemAudioModeChangeListner(listener); 1158 } 1159 1160 @Override 1161 public void removeSystemAudioModeChangeListener( 1162 final IHdmiSystemAudioModeChangeListener listener) { 1163 enforceAccessPermission(); 1164 HdmiControlService.this.removeSystemAudioModeChangeListener(listener); 1165 } 1166 1167 @Override 1168 public void setInputChangeListener(final IHdmiInputChangeListener listener) { 1169 enforceAccessPermission(); 1170 HdmiControlService.this.setInputChangeListener(listener); 1171 } 1172 1173 @Override 1174 public List<HdmiDeviceInfo> getInputDevices() { 1175 enforceAccessPermission(); 1176 // No need to hold the lock for obtaining TV device as the local device instance 1177 // is preserved while the HDMI control is enabled. 1178 HdmiCecLocalDeviceTv tv = tv(); 1179 synchronized (mLock) { 1180 List<HdmiDeviceInfo> cecDevices = (tv == null) 1181 ? Collections.<HdmiDeviceInfo>emptyList() 1182 : tv.getSafeExternalInputsLocked(); 1183 return HdmiUtils.mergeToUnmodifiableList(cecDevices, getMhlDevicesLocked()); 1184 } 1185 } 1186 1187 @Override 1188 public void setSystemAudioVolume(final int oldIndex, final int newIndex, 1189 final int maxIndex) { 1190 enforceAccessPermission(); 1191 runOnServiceThread(new Runnable() { 1192 @Override 1193 public void run() { 1194 HdmiCecLocalDeviceTv tv = tv(); 1195 if (tv == null) { 1196 Slog.w(TAG, "Local tv device not available"); 1197 return; 1198 } 1199 tv.changeVolume(oldIndex, newIndex - oldIndex, maxIndex); 1200 } 1201 }); 1202 } 1203 1204 @Override 1205 public void setSystemAudioMute(final boolean mute) { 1206 enforceAccessPermission(); 1207 runOnServiceThread(new Runnable() { 1208 @Override 1209 public void run() { 1210 HdmiCecLocalDeviceTv tv = tv(); 1211 if (tv == null) { 1212 Slog.w(TAG, "Local tv device not available"); 1213 return; 1214 } 1215 tv.changeMute(mute); 1216 } 1217 }); 1218 } 1219 1220 @Override 1221 public void setArcMode(final boolean enabled) { 1222 enforceAccessPermission(); 1223 runOnServiceThread(new Runnable() { 1224 @Override 1225 public void run() { 1226 HdmiCecLocalDeviceTv tv = tv(); 1227 if (tv == null) { 1228 Slog.w(TAG, "Local tv device not available to change arc mode."); 1229 return; 1230 } 1231 } 1232 }); 1233 } 1234 1235 @Override 1236 public void setProhibitMode(final boolean enabled) { 1237 enforceAccessPermission(); 1238 if (!isTvDevice()) { 1239 return; 1240 } 1241 HdmiControlService.this.setProhibitMode(enabled); 1242 } 1243 1244 @Override 1245 public void addVendorCommandListener(final IHdmiVendorCommandListener listener, 1246 final int deviceType) { 1247 enforceAccessPermission(); 1248 runOnServiceThread(new Runnable() { 1249 @Override 1250 public void run() { 1251 HdmiControlService.this.addVendorCommandListener(listener, deviceType); 1252 } 1253 }); 1254 } 1255 1256 @Override 1257 public void sendVendorCommand(final int deviceType, final int targetAddress, 1258 final byte[] params, final boolean hasVendorId) { 1259 enforceAccessPermission(); 1260 runOnServiceThread(new Runnable() { 1261 @Override 1262 public void run() { 1263 HdmiCecLocalDevice device = mCecController.getLocalDevice(deviceType); 1264 if (device == null) { 1265 Slog.w(TAG, "Local device not available"); 1266 return; 1267 } 1268 if (hasVendorId) { 1269 sendCecCommand(HdmiCecMessageBuilder.buildVendorCommandWithId( 1270 device.getDeviceInfo().getLogicalAddress(), targetAddress, 1271 getVendorId(), params)); 1272 } else { 1273 sendCecCommand(HdmiCecMessageBuilder.buildVendorCommand( 1274 device.getDeviceInfo().getLogicalAddress(), targetAddress, params)); 1275 } 1276 } 1277 }); 1278 } 1279 1280 @Override 1281 public void setHdmiRecordListener(IHdmiRecordListener listener) { 1282 HdmiControlService.this.setHdmiRecordListener(listener); 1283 } 1284 1285 @Override 1286 public void startOneTouchRecord(final int recorderAddress, final byte[] recordSource) { 1287 runOnServiceThread(new Runnable() { 1288 @Override 1289 public void run() { 1290 if (!isTvDevice()) { 1291 Slog.w(TAG, "No TV is available."); 1292 return; 1293 } 1294 tv().startOneTouchRecord(recorderAddress, recordSource); 1295 } 1296 }); 1297 } 1298 1299 @Override 1300 public void stopOneTouchRecord(final int recorderAddress) { 1301 runOnServiceThread(new Runnable() { 1302 @Override 1303 public void run() { 1304 if (!isTvDevice()) { 1305 Slog.w(TAG, "No TV is available."); 1306 return; 1307 } 1308 tv().stopOneTouchRecord(recorderAddress); 1309 } 1310 }); 1311 } 1312 1313 @Override 1314 public void startTimerRecording(final int recorderAddress, final int sourceType, 1315 final byte[] recordSource) { 1316 runOnServiceThread(new Runnable() { 1317 @Override 1318 public void run() { 1319 if (!isTvDevice()) { 1320 Slog.w(TAG, "No TV is available."); 1321 return; 1322 } 1323 tv().startTimerRecording(recorderAddress, sourceType, recordSource); 1324 } 1325 }); 1326 } 1327 1328 @Override 1329 public void clearTimerRecording(final int recorderAddress, final int sourceType, 1330 final byte[] recordSource) { 1331 runOnServiceThread(new Runnable() { 1332 @Override 1333 public void run() { 1334 if (!isTvDevice()) { 1335 Slog.w(TAG, "No TV is available."); 1336 return; 1337 } 1338 tv().clearTimerRecording(recorderAddress, sourceType, recordSource); 1339 } 1340 }); 1341 } 1342 } 1343 1344 @ServiceThreadOnly 1345 private void oneTouchPlay(final IHdmiControlCallback callback) { 1346 assertRunOnServiceThread(); 1347 HdmiCecLocalDevicePlayback source = playback(); 1348 if (source == null) { 1349 Slog.w(TAG, "Local playback device not available"); 1350 invokeCallback(callback, HdmiControlManager.RESULT_SOURCE_NOT_AVAILABLE); 1351 return; 1352 } 1353 source.oneTouchPlay(callback); 1354 } 1355 1356 @ServiceThreadOnly 1357 private void queryDisplayStatus(final IHdmiControlCallback callback) { 1358 assertRunOnServiceThread(); 1359 HdmiCecLocalDevicePlayback source = playback(); 1360 if (source == null) { 1361 Slog.w(TAG, "Local playback device not available"); 1362 invokeCallback(callback, HdmiControlManager.RESULT_SOURCE_NOT_AVAILABLE); 1363 return; 1364 } 1365 source.queryDisplayStatus(callback); 1366 } 1367 1368 private void addHotplugEventListener(IHdmiHotplugEventListener listener) { 1369 HotplugEventListenerRecord record = new HotplugEventListenerRecord(listener); 1370 try { 1371 listener.asBinder().linkToDeath(record, 0); 1372 } catch (RemoteException e) { 1373 Slog.w(TAG, "Listener already died"); 1374 return; 1375 } 1376 synchronized (mLock) { 1377 mHotplugEventListenerRecords.add(record); 1378 mHotplugEventListeners.add(listener); 1379 } 1380 } 1381 1382 private void removeHotplugEventListener(IHdmiHotplugEventListener listener) { 1383 synchronized (mLock) { 1384 for (HotplugEventListenerRecord record : mHotplugEventListenerRecords) { 1385 if (record.mListener.asBinder() == listener.asBinder()) { 1386 listener.asBinder().unlinkToDeath(record, 0); 1387 mHotplugEventListenerRecords.remove(record); 1388 break; 1389 } 1390 } 1391 mHotplugEventListeners.remove(listener); 1392 } 1393 } 1394 1395 private void addDeviceEventListener(IHdmiDeviceEventListener listener) { 1396 DeviceEventListenerRecord record = new DeviceEventListenerRecord(listener); 1397 try { 1398 listener.asBinder().linkToDeath(record, 0); 1399 } catch (RemoteException e) { 1400 Slog.w(TAG, "Listener already died"); 1401 return; 1402 } 1403 synchronized (mLock) { 1404 mDeviceEventListeners.add(listener); 1405 mDeviceEventListenerRecords.add(record); 1406 } 1407 } 1408 1409 void invokeDeviceEventListeners(HdmiDeviceInfo device, int status) { 1410 synchronized (mLock) { 1411 for (IHdmiDeviceEventListener listener : mDeviceEventListeners) { 1412 try { 1413 listener.onStatusChanged(device, status); 1414 } catch (RemoteException e) { 1415 Slog.e(TAG, "Failed to report device event:" + e); 1416 } 1417 } 1418 } 1419 } 1420 1421 private void addSystemAudioModeChangeListner(IHdmiSystemAudioModeChangeListener listener) { 1422 SystemAudioModeChangeListenerRecord record = new SystemAudioModeChangeListenerRecord( 1423 listener); 1424 try { 1425 listener.asBinder().linkToDeath(record, 0); 1426 } catch (RemoteException e) { 1427 Slog.w(TAG, "Listener already died"); 1428 return; 1429 } 1430 synchronized (mLock) { 1431 mSystemAudioModeChangeListeners.add(listener); 1432 mSystemAudioModeChangeListenerRecords.add(record); 1433 } 1434 } 1435 1436 private void removeSystemAudioModeChangeListener(IHdmiSystemAudioModeChangeListener listener) { 1437 synchronized (mLock) { 1438 for (SystemAudioModeChangeListenerRecord record : 1439 mSystemAudioModeChangeListenerRecords) { 1440 if (record.mListener.asBinder() == listener) { 1441 listener.asBinder().unlinkToDeath(record, 0); 1442 mSystemAudioModeChangeListenerRecords.remove(record); 1443 break; 1444 } 1445 } 1446 mSystemAudioModeChangeListeners.remove(listener); 1447 } 1448 } 1449 1450 private final class InputChangeListenerRecord implements IBinder.DeathRecipient { 1451 @Override 1452 public void binderDied() { 1453 synchronized (mLock) { 1454 mInputChangeListener = null; 1455 } 1456 } 1457 } 1458 1459 private void setInputChangeListener(IHdmiInputChangeListener listener) { 1460 synchronized (mLock) { 1461 mInputChangeListenerRecord = new InputChangeListenerRecord(); 1462 try { 1463 listener.asBinder().linkToDeath(mInputChangeListenerRecord, 0); 1464 } catch (RemoteException e) { 1465 Slog.w(TAG, "Listener already died"); 1466 return; 1467 } 1468 mInputChangeListener = listener; 1469 } 1470 } 1471 1472 void invokeInputChangeListener(HdmiDeviceInfo info) { 1473 synchronized (mLock) { 1474 if (mInputChangeListener != null) { 1475 try { 1476 mInputChangeListener.onChanged(info); 1477 } catch (RemoteException e) { 1478 Slog.w(TAG, "Exception thrown by IHdmiInputChangeListener: " + e); 1479 } 1480 } 1481 } 1482 } 1483 1484 private void setHdmiRecordListener(IHdmiRecordListener listener) { 1485 synchronized (mLock) { 1486 mRecordListenerRecord = new HdmiRecordListenerRecord(); 1487 try { 1488 listener.asBinder().linkToDeath(mRecordListenerRecord, 0); 1489 } catch (RemoteException e) { 1490 Slog.w(TAG, "Listener already died.", e); 1491 } 1492 mRecordListener = listener; 1493 } 1494 } 1495 1496 byte[] invokeRecordRequestListener(int recorderAddress) { 1497 synchronized (mLock) { 1498 if (mRecordListener != null) { 1499 try { 1500 return mRecordListener.getOneTouchRecordSource(recorderAddress); 1501 } catch (RemoteException e) { 1502 Slog.w(TAG, "Failed to start record.", e); 1503 } 1504 } 1505 return EmptyArray.BYTE; 1506 } 1507 } 1508 1509 void invokeOneTouchRecordResult(int result) { 1510 synchronized (mLock) { 1511 if (mRecordListener != null) { 1512 try { 1513 mRecordListener.onOneTouchRecordResult(result); 1514 } catch (RemoteException e) { 1515 Slog.w(TAG, "Failed to call onOneTouchRecordResult.", e); 1516 } 1517 } 1518 } 1519 } 1520 1521 void invokeTimerRecordingResult(int result) { 1522 synchronized (mLock) { 1523 if (mRecordListener != null) { 1524 try { 1525 mRecordListener.onTimerRecordingResult(result); 1526 } catch (RemoteException e) { 1527 Slog.w(TAG, "Failed to call onTimerRecordingResult.", e); 1528 } 1529 } 1530 } 1531 } 1532 1533 void invokeClearTimerRecordingResult(int result) { 1534 synchronized (mLock) { 1535 if (mRecordListener != null) { 1536 try { 1537 mRecordListener.onClearTimerRecordingResult(result); 1538 } catch (RemoteException e) { 1539 Slog.w(TAG, "Failed to call onClearTimerRecordingResult.", e); 1540 } 1541 } 1542 } 1543 } 1544 1545 private void invokeCallback(IHdmiControlCallback callback, int result) { 1546 try { 1547 callback.onComplete(result); 1548 } catch (RemoteException e) { 1549 Slog.e(TAG, "Invoking callback failed:" + e); 1550 } 1551 } 1552 1553 private void invokeSystemAudioModeChange(IHdmiSystemAudioModeChangeListener listener, 1554 boolean enabled) { 1555 try { 1556 listener.onStatusChanged(enabled); 1557 } catch (RemoteException e) { 1558 Slog.e(TAG, "Invoking callback failed:" + e); 1559 } 1560 } 1561 1562 private void announceHotplugEvent(int portId, boolean connected) { 1563 HdmiHotplugEvent event = new HdmiHotplugEvent(portId, connected); 1564 synchronized (mLock) { 1565 for (IHdmiHotplugEventListener listener : mHotplugEventListeners) { 1566 invokeHotplugEventListenerLocked(listener, event); 1567 } 1568 } 1569 } 1570 1571 private void invokeHotplugEventListenerLocked(IHdmiHotplugEventListener listener, 1572 HdmiHotplugEvent event) { 1573 try { 1574 listener.onReceived(event); 1575 } catch (RemoteException e) { 1576 Slog.e(TAG, "Failed to report hotplug event:" + event.toString(), e); 1577 } 1578 } 1579 1580 private HdmiCecLocalDeviceTv tv() { 1581 return (HdmiCecLocalDeviceTv) mCecController.getLocalDevice(HdmiDeviceInfo.DEVICE_TV); 1582 } 1583 1584 boolean isTvDevice() { 1585 return tv() != null; 1586 } 1587 1588 private HdmiCecLocalDevicePlayback playback() { 1589 return (HdmiCecLocalDevicePlayback) 1590 mCecController.getLocalDevice(HdmiDeviceInfo.DEVICE_PLAYBACK); 1591 } 1592 1593 AudioManager getAudioManager() { 1594 return (AudioManager) getContext().getSystemService(Context.AUDIO_SERVICE); 1595 } 1596 1597 boolean isControlEnabled() { 1598 synchronized (mLock) { 1599 return mHdmiControlEnabled; 1600 } 1601 } 1602 1603 int getPowerStatus() { 1604 return mPowerStatus; 1605 } 1606 1607 boolean isPowerOnOrTransient() { 1608 return mPowerStatus == HdmiControlManager.POWER_STATUS_ON 1609 || mPowerStatus == HdmiControlManager.POWER_STATUS_TRANSIENT_TO_ON; 1610 } 1611 1612 boolean isPowerStandbyOrTransient() { 1613 return mPowerStatus == HdmiControlManager.POWER_STATUS_STANDBY 1614 || mPowerStatus == HdmiControlManager.POWER_STATUS_TRANSIENT_TO_STANDBY; 1615 } 1616 1617 boolean isPowerStandby() { 1618 return mPowerStatus == HdmiControlManager.POWER_STATUS_STANDBY; 1619 } 1620 1621 @ServiceThreadOnly 1622 void wakeUp() { 1623 assertRunOnServiceThread(); 1624 mWakeUpMessageReceived = true; 1625 PowerManager pm = (PowerManager) getContext().getSystemService(Context.POWER_SERVICE); 1626 pm.wakeUp(SystemClock.uptimeMillis()); 1627 // PowerManger will send the broadcast Intent.ACTION_SCREEN_ON and after this gets 1628 // the intent, the sequence will continue at onWakeUp(). 1629 } 1630 1631 @ServiceThreadOnly 1632 void standby() { 1633 assertRunOnServiceThread(); 1634 mStandbyMessageReceived = true; 1635 PowerManager pm = (PowerManager) getContext().getSystemService(Context.POWER_SERVICE); 1636 pm.goToSleep(SystemClock.uptimeMillis(), PowerManager.GO_TO_SLEEP_REASON_HDMI, 0); 1637 // PowerManger will send the broadcast Intent.ACTION_SCREEN_OFF and after this gets 1638 // the intent, the sequence will continue at onStandby(). 1639 } 1640 1641 void nap() { 1642 PowerManager pm = (PowerManager) getContext().getSystemService(Context.POWER_SERVICE); 1643 pm.nap(SystemClock.uptimeMillis()); 1644 } 1645 1646 @ServiceThreadOnly 1647 private void onWakeUp() { 1648 assertRunOnServiceThread(); 1649 mPowerStatus = HdmiControlManager.POWER_STATUS_TRANSIENT_TO_ON; 1650 if (mCecController != null) { 1651 if (mHdmiControlEnabled) { 1652 int startReason = INITIATED_BY_SCREEN_ON; 1653 if (mWakeUpMessageReceived) { 1654 startReason = INITIATED_BY_WAKE_UP_MESSAGE; 1655 } 1656 initializeCec(startReason); 1657 } 1658 } else { 1659 Slog.i(TAG, "Device does not support HDMI-CEC."); 1660 } 1661 // TODO: Initialize MHL local devices. 1662 } 1663 1664 @ServiceThreadOnly 1665 private void onStandby() { 1666 assertRunOnServiceThread(); 1667 mPowerStatus = HdmiControlManager.POWER_STATUS_TRANSIENT_TO_STANDBY; 1668 1669 final List<HdmiCecLocalDevice> devices = getAllLocalDevices(); 1670 disableDevices(new PendingActionClearedCallback() { 1671 @Override 1672 public void onCleared(HdmiCecLocalDevice device) { 1673 Slog.v(TAG, "On standby-action cleared:" + device.mDeviceType); 1674 devices.remove(device); 1675 if (devices.isEmpty()) { 1676 onStandbyCompleted(); 1677 // We will not clear local devices here, since some OEM/SOC will keep passing 1678 // the received packets until the application processor enters to the sleep 1679 // actually. 1680 } 1681 } 1682 }); 1683 } 1684 1685 private void disableDevices(PendingActionClearedCallback callback) { 1686 if (mCecController != null) { 1687 for (HdmiCecLocalDevice device : mCecController.getLocalDeviceList()) { 1688 device.disableDevice(mStandbyMessageReceived, callback); 1689 } 1690 if (isTvDevice()) { 1691 unregisterSettingsObserver(); 1692 } 1693 } 1694 1695 if (mMhlController != null) { 1696 mMhlController.clearAllLocalDevices(); 1697 } 1698 } 1699 1700 @ServiceThreadOnly 1701 private void clearLocalDevices() { 1702 assertRunOnServiceThread(); 1703 if (mCecController == null) { 1704 return; 1705 } 1706 mCecController.clearLogicalAddress(); 1707 mCecController.clearLocalDevices(); 1708 } 1709 1710 @ServiceThreadOnly 1711 private void onStandbyCompleted() { 1712 assertRunOnServiceThread(); 1713 Slog.v(TAG, "onStandbyCompleted"); 1714 1715 if (mPowerStatus != HdmiControlManager.POWER_STATUS_TRANSIENT_TO_STANDBY) { 1716 return; 1717 } 1718 mPowerStatus = HdmiControlManager.POWER_STATUS_STANDBY; 1719 for (HdmiCecLocalDevice device : mCecController.getLocalDeviceList()) { 1720 device.onStandby(mStandbyMessageReceived); 1721 } 1722 mStandbyMessageReceived = false; 1723 mCecController.setOption(OPTION_CEC_SERVICE_CONTROL, DISABLED); 1724 } 1725 1726 private void addVendorCommandListener(IHdmiVendorCommandListener listener, int deviceType) { 1727 VendorCommandListenerRecord record = new VendorCommandListenerRecord(listener, deviceType); 1728 try { 1729 listener.asBinder().linkToDeath(record, 0); 1730 } catch (RemoteException e) { 1731 Slog.w(TAG, "Listener already died"); 1732 return; 1733 } 1734 synchronized (mLock) { 1735 mVendorCommandListenerRecords.add(record); 1736 } 1737 } 1738 1739 void invokeVendorCommandListeners(int deviceType, int srcAddress, byte[] params, 1740 boolean hasVendorId) { 1741 synchronized (mLock) { 1742 for (VendorCommandListenerRecord record : mVendorCommandListenerRecords) { 1743 if (record.mDeviceType != deviceType) { 1744 continue; 1745 } 1746 try { 1747 record.mListener.onReceived(srcAddress, params, hasVendorId); 1748 } catch (RemoteException e) { 1749 Slog.e(TAG, "Failed to notify vendor command reception", e); 1750 } 1751 } 1752 } 1753 } 1754 1755 boolean isProhibitMode() { 1756 synchronized (mLock) { 1757 return mProhibitMode; 1758 } 1759 } 1760 1761 void setProhibitMode(boolean enabled) { 1762 synchronized (mLock) { 1763 mProhibitMode = enabled; 1764 } 1765 } 1766 1767 @ServiceThreadOnly 1768 void setCecOption(int key, int value) { 1769 assertRunOnServiceThread(); 1770 mCecController.setOption(key, value); 1771 } 1772 1773 @ServiceThreadOnly 1774 void setControlEnabled(boolean enabled) { 1775 assertRunOnServiceThread(); 1776 1777 int value = toInt(enabled); 1778 mCecController.setOption(OPTION_CEC_ENABLE, value); 1779 if (mMhlController != null) { 1780 mMhlController.setOption(OPTION_MHL_ENABLE, value); 1781 } 1782 1783 synchronized (mLock) { 1784 mHdmiControlEnabled = enabled; 1785 } 1786 1787 if (enabled) { 1788 initializeCec(INITIATED_BY_ENABLE_CEC); 1789 } else { 1790 disableDevices(new PendingActionClearedCallback() { 1791 @Override 1792 public void onCleared(HdmiCecLocalDevice device) { 1793 assertRunOnServiceThread(); 1794 clearLocalDevices(); 1795 } 1796 }); 1797 } 1798 } 1799 1800 @ServiceThreadOnly 1801 void setActivePortId(int portId) { 1802 assertRunOnServiceThread(); 1803 mActivePortId = portId; 1804 } 1805 1806 void setMhlInputChangeEnabled(boolean enabled) { 1807 if (mMhlController != null) { 1808 mMhlController.setOption(OPTION_MHL_INPUT_SWITCHING, toInt(enabled)); 1809 } 1810 1811 synchronized (mLock) { 1812 mMhlInputChangeEnabled = enabled; 1813 } 1814 } 1815 1816 boolean isMhlInputChangeEnabled() { 1817 synchronized (mLock) { 1818 return mMhlInputChangeEnabled; 1819 } 1820 } 1821} 1822