UiModeManagerService.java revision 62c82e4d92cc0b856059f905d81885f7808a0e7d
1/* 2 * Copyright (C) 2008 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; 18 19import android.app.Activity; 20import android.app.ActivityManager; 21import android.app.ActivityManagerNative; 22import android.app.IUiModeManager; 23import android.app.Notification; 24import android.app.NotificationManager; 25import android.app.PendingIntent; 26import android.app.StatusBarManager; 27import android.app.UiModeManager; 28import android.content.ActivityNotFoundException; 29import android.content.BroadcastReceiver; 30import android.content.Context; 31import android.content.Intent; 32import android.content.IntentFilter; 33import android.content.pm.PackageManager; 34import android.content.res.Configuration; 35import android.os.BatteryManager; 36import android.os.Binder; 37import android.os.Handler; 38import android.os.PowerManager; 39import android.os.RemoteException; 40import android.os.ServiceManager; 41import android.os.UserHandle; 42import android.provider.Settings; 43import android.service.dreams.Dream; 44import android.service.dreams.IDreamManager; 45import android.util.Slog; 46 47import java.io.FileDescriptor; 48import java.io.PrintWriter; 49 50import com.android.internal.R; 51import com.android.internal.app.DisableCarModeActivity; 52import com.android.server.TwilightService.TwilightState; 53 54class UiModeManagerService extends IUiModeManager.Stub { 55 private static final String TAG = UiModeManager.class.getSimpleName(); 56 private static final boolean LOG = false; 57 58 // Enable launching of applications when entering the dock. 59 private static final boolean ENABLE_LAUNCH_CAR_DOCK_APP = true; 60 private static final boolean ENABLE_LAUNCH_DESK_DOCK_APP = true; 61 62 private static final int DEFAULT_SCREENSAVER_ENABLED = 1; 63 private static final int DEFAULT_SCREENSAVER_ACTIVATED_ON_DOCK = 1; 64 65 private final Context mContext; 66 private final TwilightService mTwilightService; 67 private final Handler mHandler = new Handler(); 68 69 final Object mLock = new Object(); 70 71 private int mDockState = Intent.EXTRA_DOCK_STATE_UNDOCKED; 72 private int mLastBroadcastState = Intent.EXTRA_DOCK_STATE_UNDOCKED; 73 74 private int mNightMode = UiModeManager.MODE_NIGHT_NO; 75 private boolean mCarModeEnabled = false; 76 private boolean mCharging = false; 77 private final int mDefaultUiModeType; 78 private final boolean mCarModeKeepsScreenOn; 79 private final boolean mDeskModeKeepsScreenOn; 80 private final boolean mTelevision; 81 82 private boolean mComputedNightMode; 83 private int mCurUiMode = 0; 84 private int mSetUiMode = 0; 85 86 private boolean mHoldingConfiguration = false; 87 private Configuration mConfiguration = new Configuration(); 88 89 private boolean mSystemReady; 90 91 private NotificationManager mNotificationManager; 92 93 private StatusBarManager mStatusBarManager; 94 private final PowerManager.WakeLock mWakeLock; 95 96 static Intent buildHomeIntent(String category) { 97 Intent intent = new Intent(Intent.ACTION_MAIN); 98 intent.addCategory(category); 99 intent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK 100 | Intent.FLAG_ACTIVITY_RESET_TASK_IF_NEEDED); 101 return intent; 102 } 103 104 // The broadcast receiver which receives the result of the ordered broadcast sent when 105 // the dock state changes. The original ordered broadcast is sent with an initial result 106 // code of RESULT_OK. If any of the registered broadcast receivers changes this value, e.g., 107 // to RESULT_CANCELED, then the intent to start a dock app will not be sent. 108 private final BroadcastReceiver mResultReceiver = new BroadcastReceiver() { 109 @Override 110 public void onReceive(Context context, Intent intent) { 111 if (getResultCode() != Activity.RESULT_OK) { 112 if (LOG) { 113 Slog.v(TAG, "Handling broadcast result for action " + intent.getAction() 114 + ": canceled: " + getResultCode()); 115 } 116 return; 117 } 118 119 final int enableFlags = intent.getIntExtra("enableFlags", 0); 120 final int disableFlags = intent.getIntExtra("disableFlags", 0); 121 synchronized (mLock) { 122 updateAfterBroadcastLocked(intent.getAction(), enableFlags, disableFlags); 123 } 124 } 125 }; 126 127 private final BroadcastReceiver mDockModeReceiver = new BroadcastReceiver() { 128 @Override 129 public void onReceive(Context context, Intent intent) { 130 int state = intent.getIntExtra(Intent.EXTRA_DOCK_STATE, 131 Intent.EXTRA_DOCK_STATE_UNDOCKED); 132 updateDockState(state); 133 } 134 }; 135 136 private final BroadcastReceiver mBatteryReceiver = new BroadcastReceiver() { 137 @Override 138 public void onReceive(Context context, Intent intent) { 139 mCharging = (intent.getIntExtra(BatteryManager.EXTRA_PLUGGED, 0) != 0); 140 synchronized (mLock) { 141 if (mSystemReady) { 142 updateLocked(0, 0); 143 } 144 } 145 } 146 }; 147 148 private final TwilightService.TwilightListener mTwilightListener = 149 new TwilightService.TwilightListener() { 150 @Override 151 public void onTwilightStateChanged() { 152 updateTwilight(); 153 } 154 }; 155 156 public UiModeManagerService(Context context, TwilightService twilight) { 157 mContext = context; 158 mTwilightService = twilight; 159 160 ServiceManager.addService(Context.UI_MODE_SERVICE, this); 161 162 mContext.registerReceiver(mDockModeReceiver, 163 new IntentFilter(Intent.ACTION_DOCK_EVENT)); 164 mContext.registerReceiver(mBatteryReceiver, 165 new IntentFilter(Intent.ACTION_BATTERY_CHANGED)); 166 167 PowerManager powerManager = (PowerManager)context.getSystemService(Context.POWER_SERVICE); 168 mWakeLock = powerManager.newWakeLock(PowerManager.FULL_WAKE_LOCK, TAG); 169 170 mConfiguration.setToDefaults(); 171 172 mDefaultUiModeType = context.getResources().getInteger( 173 com.android.internal.R.integer.config_defaultUiModeType); 174 mCarModeKeepsScreenOn = (context.getResources().getInteger( 175 com.android.internal.R.integer.config_carDockKeepsScreenOn) == 1); 176 mDeskModeKeepsScreenOn = (context.getResources().getInteger( 177 com.android.internal.R.integer.config_deskDockKeepsScreenOn) == 1); 178 mTelevision = context.getPackageManager().hasSystemFeature( 179 PackageManager.FEATURE_TELEVISION); 180 181 mNightMode = Settings.Secure.getInt(mContext.getContentResolver(), 182 Settings.Secure.UI_NIGHT_MODE, UiModeManager.MODE_NIGHT_AUTO); 183 184 mTwilightService.registerListener(mTwilightListener, mHandler); 185 } 186 187 public void disableCarMode(int flags) { 188 synchronized (mLock) { 189 setCarModeLocked(false); 190 if (mSystemReady) { 191 updateLocked(0, flags); 192 } 193 } 194 } 195 196 public void enableCarMode(int flags) { 197 synchronized (mLock) { 198 setCarModeLocked(true); 199 if (mSystemReady) { 200 updateLocked(flags, 0); 201 } 202 } 203 } 204 205 public int getCurrentModeType() { 206 synchronized (mLock) { 207 return mCurUiMode & Configuration.UI_MODE_TYPE_MASK; 208 } 209 } 210 211 public void setNightMode(int mode) throws RemoteException { 212 synchronized (mLock) { 213 switch (mode) { 214 case UiModeManager.MODE_NIGHT_NO: 215 case UiModeManager.MODE_NIGHT_YES: 216 case UiModeManager.MODE_NIGHT_AUTO: 217 break; 218 default: 219 throw new IllegalArgumentException("Unknown mode: " + mode); 220 } 221 if (!isDoingNightMode()) { 222 return; 223 } 224 225 if (mNightMode != mode) { 226 long ident = Binder.clearCallingIdentity(); 227 Settings.Secure.putInt(mContext.getContentResolver(), 228 Settings.Secure.UI_NIGHT_MODE, mode); 229 Binder.restoreCallingIdentity(ident); 230 mNightMode = mode; 231 updateLocked(0, 0); 232 } 233 } 234 } 235 236 public int getNightMode() throws RemoteException { 237 return mNightMode; 238 } 239 240 void systemReady() { 241 synchronized (mLock) { 242 mSystemReady = true; 243 mCarModeEnabled = mDockState == Intent.EXTRA_DOCK_STATE_CAR; 244 updateComputedNightModeLocked(); 245 updateLocked(0, 0); 246 } 247 } 248 249 boolean isDoingNightMode() { 250 return mCarModeEnabled || mDockState != Intent.EXTRA_DOCK_STATE_UNDOCKED; 251 } 252 253 void setCarModeLocked(boolean enabled) { 254 if (mCarModeEnabled != enabled) { 255 mCarModeEnabled = enabled; 256 } 257 } 258 259 void updateDockState(int newState) { 260 synchronized (mLock) { 261 if (newState != mDockState) { 262 mDockState = newState; 263 setCarModeLocked(mDockState == Intent.EXTRA_DOCK_STATE_CAR); 264 if (mSystemReady) { 265 updateLocked(UiModeManager.ENABLE_CAR_MODE_GO_CAR_HOME, 0); 266 } 267 } 268 } 269 } 270 271 final static boolean isDeskDockState(int state) { 272 switch (state) { 273 case Intent.EXTRA_DOCK_STATE_DESK: 274 case Intent.EXTRA_DOCK_STATE_LE_DESK: 275 case Intent.EXTRA_DOCK_STATE_HE_DESK: 276 return true; 277 default: 278 return false; 279 } 280 } 281 282 final void updateConfigurationLocked() { 283 int uiMode = mTelevision ? Configuration.UI_MODE_TYPE_TELEVISION : mDefaultUiModeType; 284 if (mCarModeEnabled) { 285 uiMode = Configuration.UI_MODE_TYPE_CAR; 286 } else if (isDeskDockState(mDockState)) { 287 uiMode = Configuration.UI_MODE_TYPE_DESK; 288 } 289 if (mCarModeEnabled) { 290 if (mNightMode == UiModeManager.MODE_NIGHT_AUTO) { 291 updateComputedNightModeLocked(); 292 uiMode |= mComputedNightMode ? Configuration.UI_MODE_NIGHT_YES 293 : Configuration.UI_MODE_NIGHT_NO; 294 } else { 295 uiMode |= mNightMode << 4; 296 } 297 } else { 298 // Disabling the car mode clears the night mode. 299 uiMode = (uiMode & ~Configuration.UI_MODE_NIGHT_MASK) | Configuration.UI_MODE_NIGHT_NO; 300 } 301 302 if (LOG) { 303 Slog.d(TAG, 304 "updateConfigurationLocked: mDockState=" + mDockState 305 + "; mCarMode=" + mCarModeEnabled 306 + "; mNightMode=" + mNightMode 307 + "; uiMode=" + uiMode); 308 } 309 310 mCurUiMode = uiMode; 311 if (!mHoldingConfiguration) { 312 mConfiguration.uiMode = uiMode; 313 } 314 } 315 316 final void sendConfigurationLocked() { 317 if (mSetUiMode != mConfiguration.uiMode) { 318 mSetUiMode = mConfiguration.uiMode; 319 320 try { 321 ActivityManagerNative.getDefault().updateConfiguration(mConfiguration); 322 } catch (RemoteException e) { 323 Slog.w(TAG, "Failure communicating with activity manager", e); 324 } 325 } 326 } 327 328 final void updateLocked(int enableFlags, int disableFlags) { 329 long ident = Binder.clearCallingIdentity(); 330 331 try { 332 String action = null; 333 String oldAction = null; 334 if (mLastBroadcastState == Intent.EXTRA_DOCK_STATE_CAR) { 335 adjustStatusBarCarModeLocked(); 336 oldAction = UiModeManager.ACTION_EXIT_CAR_MODE; 337 } else if (isDeskDockState(mLastBroadcastState)) { 338 oldAction = UiModeManager.ACTION_EXIT_DESK_MODE; 339 } 340 341 if (mCarModeEnabled) { 342 if (mLastBroadcastState != Intent.EXTRA_DOCK_STATE_CAR) { 343 adjustStatusBarCarModeLocked(); 344 345 if (oldAction != null) { 346 mContext.sendBroadcastAsUser(new Intent(oldAction), UserHandle.ALL); 347 } 348 mLastBroadcastState = Intent.EXTRA_DOCK_STATE_CAR; 349 action = UiModeManager.ACTION_ENTER_CAR_MODE; 350 } 351 } else if (isDeskDockState(mDockState)) { 352 if (!isDeskDockState(mLastBroadcastState)) { 353 if (oldAction != null) { 354 mContext.sendBroadcastAsUser(new Intent(oldAction), UserHandle.ALL); 355 } 356 mLastBroadcastState = mDockState; 357 action = UiModeManager.ACTION_ENTER_DESK_MODE; 358 } 359 } else { 360 mLastBroadcastState = Intent.EXTRA_DOCK_STATE_UNDOCKED; 361 action = oldAction; 362 } 363 364 if (action != null) { 365 if (LOG) { 366 Slog.v(TAG, String.format( 367 "updateLocked: preparing broadcast: action=%s enable=0x%08x disable=0x%08x", 368 action, enableFlags, disableFlags)); 369 } 370 371 // Send the ordered broadcast; the result receiver will receive after all 372 // broadcasts have been sent. If any broadcast receiver changes the result 373 // code from the initial value of RESULT_OK, then the result receiver will 374 // not launch the corresponding dock application. This gives apps a chance 375 // to override the behavior and stay in their app even when the device is 376 // placed into a dock. 377 Intent intent = new Intent(action); 378 intent.putExtra("enableFlags", enableFlags); 379 intent.putExtra("disableFlags", disableFlags); 380 mContext.sendOrderedBroadcastAsUser(intent, UserHandle.CURRENT, null, 381 mResultReceiver, null, Activity.RESULT_OK, null, null); 382 383 // Attempting to make this transition a little more clean, we are going 384 // to hold off on doing a configuration change until we have finished 385 // the broadcast and started the home activity. 386 mHoldingConfiguration = true; 387 updateConfigurationLocked(); 388 } else { 389 String category = null; 390 if (mCarModeEnabled) { 391 if (ENABLE_LAUNCH_CAR_DOCK_APP 392 && (enableFlags & UiModeManager.ENABLE_CAR_MODE_GO_CAR_HOME) != 0) { 393 category = Intent.CATEGORY_CAR_DOCK; 394 } 395 } else if (isDeskDockState(mDockState)) { 396 if (ENABLE_LAUNCH_DESK_DOCK_APP 397 && (enableFlags & UiModeManager.ENABLE_CAR_MODE_GO_CAR_HOME) != 0) { 398 category = Intent.CATEGORY_DESK_DOCK; 399 } 400 } else { 401 if ((disableFlags & UiModeManager.DISABLE_CAR_MODE_GO_HOME) != 0) { 402 category = Intent.CATEGORY_HOME; 403 } 404 } 405 406 if (LOG) { 407 Slog.v(TAG, "updateLocked: null action, mDockState=" 408 + mDockState +", category=" + category); 409 } 410 411 sendConfigurationAndStartDreamOrDockAppLocked(category); 412 } 413 414 // keep screen on when charging and in car mode 415 boolean keepScreenOn = mCharging && 416 ((mCarModeEnabled && mCarModeKeepsScreenOn) || 417 (mCurUiMode == Configuration.UI_MODE_TYPE_DESK && mDeskModeKeepsScreenOn)); 418 if (keepScreenOn != mWakeLock.isHeld()) { 419 if (keepScreenOn) { 420 mWakeLock.acquire(); 421 } else { 422 mWakeLock.release(); 423 } 424 } 425 } finally { 426 Binder.restoreCallingIdentity(ident); 427 } 428 } 429 430 private void updateAfterBroadcastLocked(String action, int enableFlags, int disableFlags) { 431 // Launch a dock activity 432 String category = null; 433 if (UiModeManager.ACTION_ENTER_CAR_MODE.equals(action)) { 434 // Only launch car home when car mode is enabled and the caller 435 // has asked us to switch to it. 436 if (ENABLE_LAUNCH_CAR_DOCK_APP 437 && (enableFlags & UiModeManager.ENABLE_CAR_MODE_GO_CAR_HOME) != 0) { 438 category = Intent.CATEGORY_CAR_DOCK; 439 } 440 } else if (UiModeManager.ACTION_ENTER_DESK_MODE.equals(action)) { 441 // Only launch car home when desk mode is enabled and the caller 442 // has asked us to switch to it. Currently re-using the car 443 // mode flag since we don't have a formal API for "desk mode". 444 if (ENABLE_LAUNCH_DESK_DOCK_APP 445 && (enableFlags & UiModeManager.ENABLE_CAR_MODE_GO_CAR_HOME) != 0) { 446 category = Intent.CATEGORY_DESK_DOCK; 447 } 448 } else { 449 // Launch the standard home app if requested. 450 if ((disableFlags & UiModeManager.DISABLE_CAR_MODE_GO_HOME) != 0) { 451 category = Intent.CATEGORY_HOME; 452 } 453 } 454 455 if (LOG) { 456 Slog.v(TAG, String.format( 457 "Handling broadcast result for action %s: enable=0x%08x, disable=0x%08x, " 458 + "category=%s", 459 action, enableFlags, disableFlags, category)); 460 } 461 462 sendConfigurationAndStartDreamOrDockAppLocked(category); 463 } 464 465 private void sendConfigurationAndStartDreamOrDockAppLocked(String category) { 466 // Update the configuration but don't send it yet. 467 mHoldingConfiguration = false; 468 updateConfigurationLocked(); 469 470 // Start the dock app, if there is one. 471 boolean dockAppStarted = false; 472 if (category != null) { 473 // Now we are going to be careful about switching the 474 // configuration and starting the activity -- we need to 475 // do this in a specific order under control of the 476 // activity manager, to do it cleanly. So compute the 477 // new config, but don't set it yet, and let the 478 // activity manager take care of both the start and config 479 // change. 480 Intent homeIntent = buildHomeIntent(category); 481 try { 482 int result = ActivityManagerNative.getDefault().startActivityWithConfig( 483 null, homeIntent, null, null, null, 0, 0, 484 mConfiguration, null, UserHandle.USER_CURRENT); 485 if (result >= ActivityManager.START_SUCCESS) { 486 dockAppStarted = true; 487 } else if (result != ActivityManager.START_INTENT_NOT_RESOLVED) { 488 Slog.e(TAG, "Could not start dock app: " + homeIntent 489 + ", startActivityWithConfig result " + result); 490 } 491 } catch (RemoteException ex) { 492 Slog.e(TAG, "Could not start dock app: " + homeIntent, ex); 493 } 494 } 495 496 // Send the new configuration. 497 sendConfigurationLocked(); 498 499 // If we did not start a dock app, then start dreaming if supported. 500 if (!dockAppStarted && isScreenSaverEnabled() && isScreenSaverActivatedOnDock()) { 501 Slog.i(TAG, "Activating dream while docked."); 502 try { 503 IDreamManager dreamManagerService = IDreamManager.Stub.asInterface( 504 ServiceManager.getService(Dream.DREAM_SERVICE)); 505 dreamManagerService.dream(); 506 } catch (RemoteException ex) { 507 Slog.e(TAG, "Could not start dream when docked.", ex); 508 } 509 } 510 } 511 512 private boolean isScreenSaverEnabled() { 513 return Settings.Secure.getIntForUser(mContext.getContentResolver(), 514 Settings.Secure.SCREENSAVER_ENABLED, DEFAULT_SCREENSAVER_ENABLED, 515 UserHandle.USER_CURRENT) != 0; 516 } 517 518 private boolean isScreenSaverActivatedOnDock() { 519 return Settings.Secure.getIntForUser(mContext.getContentResolver(), 520 Settings.Secure.SCREENSAVER_ACTIVATE_ON_DOCK, 521 DEFAULT_SCREENSAVER_ACTIVATED_ON_DOCK, UserHandle.USER_CURRENT) != 0; 522 } 523 524 private void adjustStatusBarCarModeLocked() { 525 if (mStatusBarManager == null) { 526 mStatusBarManager = (StatusBarManager) mContext.getSystemService(Context.STATUS_BAR_SERVICE); 527 } 528 529 // Fear not: StatusBarManagerService manages a list of requests to disable 530 // features of the status bar; these are ORed together to form the 531 // active disabled list. So if (for example) the device is locked and 532 // the status bar should be totally disabled, the calls below will 533 // have no effect until the device is unlocked. 534 if (mStatusBarManager != null) { 535 mStatusBarManager.disable(mCarModeEnabled 536 ? StatusBarManager.DISABLE_NOTIFICATION_TICKER 537 : StatusBarManager.DISABLE_NONE); 538 } 539 540 if (mNotificationManager == null) { 541 mNotificationManager = (NotificationManager) 542 mContext.getSystemService(Context.NOTIFICATION_SERVICE); 543 } 544 545 if (mNotificationManager != null) { 546 if (mCarModeEnabled) { 547 Intent carModeOffIntent = new Intent(mContext, DisableCarModeActivity.class); 548 549 Notification n = new Notification(); 550 n.icon = R.drawable.stat_notify_car_mode; 551 n.defaults = Notification.DEFAULT_LIGHTS; 552 n.flags = Notification.FLAG_ONGOING_EVENT; 553 n.when = 0; 554 n.setLatestEventInfo( 555 mContext, 556 mContext.getString(R.string.car_mode_disable_notification_title), 557 mContext.getString(R.string.car_mode_disable_notification_message), 558 PendingIntent.getActivityAsUser(mContext, 0, carModeOffIntent, 0, 559 null, UserHandle.CURRENT)); 560 mNotificationManager.notifyAsUser(null, 561 R.string.car_mode_disable_notification_title, n, UserHandle.ALL); 562 } else { 563 mNotificationManager.cancelAsUser(null, 564 R.string.car_mode_disable_notification_title, UserHandle.ALL); 565 } 566 } 567 } 568 569 private void updateTwilight() { 570 synchronized (mLock) { 571 if (isDoingNightMode() && mNightMode == UiModeManager.MODE_NIGHT_AUTO) { 572 updateComputedNightModeLocked(); 573 updateLocked(0, 0); 574 } 575 } 576 } 577 578 private void updateComputedNightModeLocked() { 579 TwilightState state = mTwilightService.getCurrentState(); 580 if (state != null) { 581 mComputedNightMode = state.isNight(); 582 } 583 } 584 585 @Override 586 protected void dump(FileDescriptor fd, PrintWriter pw, String[] args) { 587 if (mContext.checkCallingOrSelfPermission(android.Manifest.permission.DUMP) 588 != PackageManager.PERMISSION_GRANTED) { 589 590 pw.println("Permission Denial: can't dump uimode service from from pid=" 591 + Binder.getCallingPid() 592 + ", uid=" + Binder.getCallingUid()); 593 return; 594 } 595 596 synchronized (mLock) { 597 pw.println("Current UI Mode Service state:"); 598 pw.print(" mDockState="); pw.print(mDockState); 599 pw.print(" mLastBroadcastState="); pw.println(mLastBroadcastState); 600 pw.print(" mNightMode="); pw.print(mNightMode); 601 pw.print(" mCarModeEnabled="); pw.print(mCarModeEnabled); 602 pw.print(" mComputedNightMode="); pw.println(mComputedNightMode); 603 pw.print(" mCurUiMode=0x"); pw.print(Integer.toHexString(mCurUiMode)); 604 pw.print(" mSetUiMode=0x"); pw.println(Integer.toHexString(mSetUiMode)); 605 pw.print(" mHoldingConfiguration="); pw.print(mHoldingConfiguration); 606 pw.print(" mSystemReady="); pw.println(mSystemReady); 607 pw.print(" mTwilightService.getCurrentState()="); 608 pw.println(mTwilightService.getCurrentState()); 609 } 610 } 611} 612