UiModeManagerService.java revision be87e2f5885b28145a788fd31d1fb5ae88a71100
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.BroadcastReceiver; 29import android.content.Context; 30import android.content.Intent; 31import android.content.IntentFilter; 32import android.content.pm.PackageManager; 33import android.content.res.Configuration; 34import android.os.BatteryManager; 35import android.os.Binder; 36import android.os.Handler; 37import android.os.PowerManager; 38import android.os.RemoteException; 39import android.os.ServiceManager; 40import android.os.UserHandle; 41import android.provider.Settings; 42import android.service.dreams.DreamService; 43import android.service.dreams.IDreamManager; 44import android.util.Slog; 45 46import java.io.FileDescriptor; 47import java.io.PrintWriter; 48 49import com.android.internal.R; 50import com.android.internal.app.DisableCarModeActivity; 51import com.android.server.TwilightService.TwilightState; 52 53class UiModeManagerService extends IUiModeManager.Stub { 54 private static final String TAG = UiModeManager.class.getSimpleName(); 55 private static final boolean LOG = false; 56 57 // Enable launching of applications when entering the dock. 58 private static final boolean ENABLE_LAUNCH_CAR_DOCK_APP = true; 59 private static final boolean ENABLE_LAUNCH_DESK_DOCK_APP = true; 60 61 private static final int DEFAULT_SCREENSAVER_ENABLED = 1; 62 private static final int DEFAULT_SCREENSAVER_ACTIVATED_ON_DOCK = 1; 63 64 private final Context mContext; 65 private final TwilightService mTwilightService; 66 private final Handler mHandler = new Handler(); 67 68 final Object mLock = new Object(); 69 70 private int mDockState = Intent.EXTRA_DOCK_STATE_UNDOCKED; 71 private int mLastBroadcastState = Intent.EXTRA_DOCK_STATE_UNDOCKED; 72 73 private int mNightMode = UiModeManager.MODE_NIGHT_NO; 74 private boolean mCarModeEnabled = false; 75 private boolean mCharging = false; 76 private final int mDefaultUiModeType; 77 private final boolean mCarModeKeepsScreenOn; 78 private final boolean mDeskModeKeepsScreenOn; 79 private final boolean mTelevision; 80 81 private boolean mComputedNightMode; 82 private int mCurUiMode = 0; 83 private int mSetUiMode = 0; 84 85 private boolean mHoldingConfiguration = false; 86 private Configuration mConfiguration = new Configuration(); 87 88 private boolean mSystemReady; 89 90 private NotificationManager mNotificationManager; 91 92 private StatusBarManager mStatusBarManager; 93 private final PowerManager.WakeLock mWakeLock; 94 95 static Intent buildHomeIntent(String category) { 96 Intent intent = new Intent(Intent.ACTION_MAIN); 97 intent.addCategory(category); 98 intent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK 99 | Intent.FLAG_ACTIVITY_RESET_TASK_IF_NEEDED); 100 return intent; 101 } 102 103 // The broadcast receiver which receives the result of the ordered broadcast sent when 104 // the dock state changes. The original ordered broadcast is sent with an initial result 105 // code of RESULT_OK. If any of the registered broadcast receivers changes this value, e.g., 106 // to RESULT_CANCELED, then the intent to start a dock app will not be sent. 107 private final BroadcastReceiver mResultReceiver = new BroadcastReceiver() { 108 @Override 109 public void onReceive(Context context, Intent intent) { 110 if (getResultCode() != Activity.RESULT_OK) { 111 if (LOG) { 112 Slog.v(TAG, "Handling broadcast result for action " + intent.getAction() 113 + ": canceled: " + getResultCode()); 114 } 115 return; 116 } 117 118 final int enableFlags = intent.getIntExtra("enableFlags", 0); 119 final int disableFlags = intent.getIntExtra("disableFlags", 0); 120 synchronized (mLock) { 121 updateAfterBroadcastLocked(intent.getAction(), enableFlags, disableFlags); 122 } 123 } 124 }; 125 126 private final BroadcastReceiver mDockModeReceiver = new BroadcastReceiver() { 127 @Override 128 public void onReceive(Context context, Intent intent) { 129 int state = intent.getIntExtra(Intent.EXTRA_DOCK_STATE, 130 Intent.EXTRA_DOCK_STATE_UNDOCKED); 131 updateDockState(state); 132 } 133 }; 134 135 private final BroadcastReceiver mBatteryReceiver = new BroadcastReceiver() { 136 @Override 137 public void onReceive(Context context, Intent intent) { 138 mCharging = (intent.getIntExtra(BatteryManager.EXTRA_PLUGGED, 0) != 0); 139 synchronized (mLock) { 140 if (mSystemReady) { 141 updateLocked(0, 0); 142 } 143 } 144 } 145 }; 146 147 private final TwilightService.TwilightListener mTwilightListener = 148 new TwilightService.TwilightListener() { 149 @Override 150 public void onTwilightStateChanged() { 151 updateTwilight(); 152 } 153 }; 154 155 public UiModeManagerService(Context context, TwilightService twilight) { 156 mContext = context; 157 mTwilightService = twilight; 158 159 ServiceManager.addService(Context.UI_MODE_SERVICE, this); 160 161 mContext.registerReceiver(mDockModeReceiver, 162 new IntentFilter(Intent.ACTION_DOCK_EVENT)); 163 mContext.registerReceiver(mBatteryReceiver, 164 new IntentFilter(Intent.ACTION_BATTERY_CHANGED)); 165 166 PowerManager powerManager = (PowerManager)context.getSystemService(Context.POWER_SERVICE); 167 mWakeLock = powerManager.newWakeLock(PowerManager.FULL_WAKE_LOCK, TAG); 168 169 mConfiguration.setToDefaults(); 170 171 mDefaultUiModeType = context.getResources().getInteger( 172 com.android.internal.R.integer.config_defaultUiModeType); 173 mCarModeKeepsScreenOn = (context.getResources().getInteger( 174 com.android.internal.R.integer.config_carDockKeepsScreenOn) == 1); 175 mDeskModeKeepsScreenOn = (context.getResources().getInteger( 176 com.android.internal.R.integer.config_deskDockKeepsScreenOn) == 1); 177 mTelevision = context.getPackageManager().hasSystemFeature( 178 PackageManager.FEATURE_TELEVISION); 179 180 mNightMode = Settings.Secure.getInt(mContext.getContentResolver(), 181 Settings.Secure.UI_NIGHT_MODE, UiModeManager.MODE_NIGHT_AUTO); 182 183 mTwilightService.registerListener(mTwilightListener, mHandler); 184 } 185 186 public void disableCarMode(int flags) { 187 synchronized (mLock) { 188 setCarModeLocked(false); 189 if (mSystemReady) { 190 updateLocked(0, flags); 191 } 192 } 193 } 194 195 public void enableCarMode(int flags) { 196 synchronized (mLock) { 197 setCarModeLocked(true); 198 if (mSystemReady) { 199 updateLocked(flags, 0); 200 } 201 } 202 } 203 204 public int getCurrentModeType() { 205 synchronized (mLock) { 206 return mCurUiMode & Configuration.UI_MODE_TYPE_MASK; 207 } 208 } 209 210 public void setNightMode(int mode) throws RemoteException { 211 synchronized (mLock) { 212 switch (mode) { 213 case UiModeManager.MODE_NIGHT_NO: 214 case UiModeManager.MODE_NIGHT_YES: 215 case UiModeManager.MODE_NIGHT_AUTO: 216 break; 217 default: 218 throw new IllegalArgumentException("Unknown mode: " + mode); 219 } 220 if (!isDoingNightMode()) { 221 return; 222 } 223 224 if (mNightMode != mode) { 225 long ident = Binder.clearCallingIdentity(); 226 Settings.Secure.putInt(mContext.getContentResolver(), 227 Settings.Secure.UI_NIGHT_MODE, mode); 228 Binder.restoreCallingIdentity(ident); 229 mNightMode = mode; 230 updateLocked(0, 0); 231 } 232 } 233 } 234 235 public int getNightMode() throws RemoteException { 236 return mNightMode; 237 } 238 239 void systemReady() { 240 synchronized (mLock) { 241 mSystemReady = true; 242 mCarModeEnabled = mDockState == Intent.EXTRA_DOCK_STATE_CAR; 243 updateComputedNightModeLocked(); 244 updateLocked(0, 0); 245 } 246 } 247 248 boolean isDoingNightMode() { 249 return mCarModeEnabled || mDockState != Intent.EXTRA_DOCK_STATE_UNDOCKED; 250 } 251 252 void setCarModeLocked(boolean enabled) { 253 if (mCarModeEnabled != enabled) { 254 mCarModeEnabled = enabled; 255 } 256 } 257 258 void updateDockState(int newState) { 259 synchronized (mLock) { 260 if (newState != mDockState) { 261 mDockState = newState; 262 setCarModeLocked(mDockState == Intent.EXTRA_DOCK_STATE_CAR); 263 if (mSystemReady) { 264 updateLocked(UiModeManager.ENABLE_CAR_MODE_GO_CAR_HOME, 0); 265 } 266 } 267 } 268 } 269 270 final static boolean isDeskDockState(int state) { 271 switch (state) { 272 case Intent.EXTRA_DOCK_STATE_DESK: 273 case Intent.EXTRA_DOCK_STATE_LE_DESK: 274 case Intent.EXTRA_DOCK_STATE_HE_DESK: 275 return true; 276 default: 277 return false; 278 } 279 } 280 281 final void updateConfigurationLocked() { 282 int uiMode = mTelevision ? Configuration.UI_MODE_TYPE_TELEVISION : mDefaultUiModeType; 283 if (mCarModeEnabled) { 284 uiMode = Configuration.UI_MODE_TYPE_CAR; 285 } else if (isDeskDockState(mDockState)) { 286 uiMode = Configuration.UI_MODE_TYPE_DESK; 287 } 288 if (mCarModeEnabled) { 289 if (mNightMode == UiModeManager.MODE_NIGHT_AUTO) { 290 updateComputedNightModeLocked(); 291 uiMode |= mComputedNightMode ? Configuration.UI_MODE_NIGHT_YES 292 : Configuration.UI_MODE_NIGHT_NO; 293 } else { 294 uiMode |= mNightMode << 4; 295 } 296 } else { 297 // Disabling the car mode clears the night mode. 298 uiMode = (uiMode & ~Configuration.UI_MODE_NIGHT_MASK) | Configuration.UI_MODE_NIGHT_NO; 299 } 300 301 if (LOG) { 302 Slog.d(TAG, 303 "updateConfigurationLocked: mDockState=" + mDockState 304 + "; mCarMode=" + mCarModeEnabled 305 + "; mNightMode=" + mNightMode 306 + "; uiMode=" + uiMode); 307 } 308 309 mCurUiMode = uiMode; 310 if (!mHoldingConfiguration) { 311 mConfiguration.uiMode = uiMode; 312 } 313 } 314 315 final void sendConfigurationLocked() { 316 if (mSetUiMode != mConfiguration.uiMode) { 317 mSetUiMode = mConfiguration.uiMode; 318 319 try { 320 ActivityManagerNative.getDefault().updateConfiguration(mConfiguration); 321 } catch (RemoteException e) { 322 Slog.w(TAG, "Failure communicating with activity manager", e); 323 } 324 } 325 } 326 327 final void updateLocked(int enableFlags, int disableFlags) { 328 long ident = Binder.clearCallingIdentity(); 329 330 try { 331 String action = null; 332 String oldAction = null; 333 if (mLastBroadcastState == Intent.EXTRA_DOCK_STATE_CAR) { 334 adjustStatusBarCarModeLocked(); 335 oldAction = UiModeManager.ACTION_EXIT_CAR_MODE; 336 } else if (isDeskDockState(mLastBroadcastState)) { 337 oldAction = UiModeManager.ACTION_EXIT_DESK_MODE; 338 } 339 340 if (mCarModeEnabled) { 341 if (mLastBroadcastState != Intent.EXTRA_DOCK_STATE_CAR) { 342 adjustStatusBarCarModeLocked(); 343 344 if (oldAction != null) { 345 mContext.sendBroadcastAsUser(new Intent(oldAction), UserHandle.ALL); 346 } 347 mLastBroadcastState = Intent.EXTRA_DOCK_STATE_CAR; 348 action = UiModeManager.ACTION_ENTER_CAR_MODE; 349 } 350 } else if (isDeskDockState(mDockState)) { 351 if (!isDeskDockState(mLastBroadcastState)) { 352 if (oldAction != null) { 353 mContext.sendBroadcastAsUser(new Intent(oldAction), UserHandle.ALL); 354 } 355 mLastBroadcastState = mDockState; 356 action = UiModeManager.ACTION_ENTER_DESK_MODE; 357 } 358 } else { 359 mLastBroadcastState = Intent.EXTRA_DOCK_STATE_UNDOCKED; 360 action = oldAction; 361 } 362 363 if (action != null) { 364 if (LOG) { 365 Slog.v(TAG, String.format( 366 "updateLocked: preparing broadcast: action=%s enable=0x%08x disable=0x%08x", 367 action, enableFlags, disableFlags)); 368 } 369 370 // Send the ordered broadcast; the result receiver will receive after all 371 // broadcasts have been sent. If any broadcast receiver changes the result 372 // code from the initial value of RESULT_OK, then the result receiver will 373 // not launch the corresponding dock application. This gives apps a chance 374 // to override the behavior and stay in their app even when the device is 375 // placed into a dock. 376 Intent intent = new Intent(action); 377 intent.putExtra("enableFlags", enableFlags); 378 intent.putExtra("disableFlags", disableFlags); 379 mContext.sendOrderedBroadcastAsUser(intent, UserHandle.CURRENT, null, 380 mResultReceiver, null, Activity.RESULT_OK, null, null); 381 382 // Attempting to make this transition a little more clean, we are going 383 // to hold off on doing a configuration change until we have finished 384 // the broadcast and started the home activity. 385 mHoldingConfiguration = true; 386 updateConfigurationLocked(); 387 } else { 388 String category = null; 389 if (mCarModeEnabled) { 390 if (ENABLE_LAUNCH_CAR_DOCK_APP 391 && (enableFlags & UiModeManager.ENABLE_CAR_MODE_GO_CAR_HOME) != 0) { 392 category = Intent.CATEGORY_CAR_DOCK; 393 } 394 } else if (isDeskDockState(mDockState)) { 395 if (ENABLE_LAUNCH_DESK_DOCK_APP 396 && (enableFlags & UiModeManager.ENABLE_CAR_MODE_GO_CAR_HOME) != 0) { 397 category = Intent.CATEGORY_DESK_DOCK; 398 } 399 } else { 400 if ((disableFlags & UiModeManager.DISABLE_CAR_MODE_GO_HOME) != 0) { 401 category = Intent.CATEGORY_HOME; 402 } 403 } 404 405 if (LOG) { 406 Slog.v(TAG, "updateLocked: null action, mDockState=" 407 + mDockState +", category=" + category); 408 } 409 410 sendConfigurationAndStartDreamOrDockAppLocked(category); 411 } 412 413 // keep screen on when charging and in car mode 414 boolean keepScreenOn = mCharging && 415 ((mCarModeEnabled && mCarModeKeepsScreenOn) || 416 (mCurUiMode == Configuration.UI_MODE_TYPE_DESK && mDeskModeKeepsScreenOn)); 417 if (keepScreenOn != mWakeLock.isHeld()) { 418 if (keepScreenOn) { 419 mWakeLock.acquire(); 420 } else { 421 mWakeLock.release(); 422 } 423 } 424 } finally { 425 Binder.restoreCallingIdentity(ident); 426 } 427 } 428 429 private void updateAfterBroadcastLocked(String action, int enableFlags, int disableFlags) { 430 // Launch a dock activity 431 String category = null; 432 if (UiModeManager.ACTION_ENTER_CAR_MODE.equals(action)) { 433 // Only launch car home when car mode is enabled and the caller 434 // has asked us to switch to it. 435 if (ENABLE_LAUNCH_CAR_DOCK_APP 436 && (enableFlags & UiModeManager.ENABLE_CAR_MODE_GO_CAR_HOME) != 0) { 437 category = Intent.CATEGORY_CAR_DOCK; 438 } 439 } else if (UiModeManager.ACTION_ENTER_DESK_MODE.equals(action)) { 440 // Only launch car home when desk mode is enabled and the caller 441 // has asked us to switch to it. Currently re-using the car 442 // mode flag since we don't have a formal API for "desk mode". 443 if (ENABLE_LAUNCH_DESK_DOCK_APP 444 && (enableFlags & UiModeManager.ENABLE_CAR_MODE_GO_CAR_HOME) != 0) { 445 category = Intent.CATEGORY_DESK_DOCK; 446 } 447 } else { 448 // Launch the standard home app if requested. 449 if ((disableFlags & UiModeManager.DISABLE_CAR_MODE_GO_HOME) != 0) { 450 category = Intent.CATEGORY_HOME; 451 } 452 } 453 454 if (LOG) { 455 Slog.v(TAG, String.format( 456 "Handling broadcast result for action %s: enable=0x%08x, disable=0x%08x, " 457 + "category=%s", 458 action, enableFlags, disableFlags, category)); 459 } 460 461 sendConfigurationAndStartDreamOrDockAppLocked(category); 462 } 463 464 private void sendConfigurationAndStartDreamOrDockAppLocked(String category) { 465 // Update the configuration but don't send it yet. 466 mHoldingConfiguration = false; 467 updateConfigurationLocked(); 468 469 // Start the dock app, if there is one. 470 boolean dockAppStarted = false; 471 if (category != null) { 472 // Now we are going to be careful about switching the 473 // configuration and starting the activity -- we need to 474 // do this in a specific order under control of the 475 // activity manager, to do it cleanly. So compute the 476 // new config, but don't set it yet, and let the 477 // activity manager take care of both the start and config 478 // change. 479 Intent homeIntent = buildHomeIntent(category); 480 try { 481 int result = ActivityManagerNative.getDefault().startActivityWithConfig( 482 null, homeIntent, null, null, null, 0, 0, 483 mConfiguration, null, UserHandle.USER_CURRENT); 484 if (result >= ActivityManager.START_SUCCESS) { 485 dockAppStarted = true; 486 } else if (result != ActivityManager.START_INTENT_NOT_RESOLVED) { 487 Slog.e(TAG, "Could not start dock app: " + homeIntent 488 + ", startActivityWithConfig result " + result); 489 } 490 } catch (RemoteException ex) { 491 Slog.e(TAG, "Could not start dock app: " + homeIntent, ex); 492 } 493 } 494 495 // Send the new configuration. 496 sendConfigurationLocked(); 497 498 // If we did not start a dock app, then start dreaming if supported. 499 if (category != null && !dockAppStarted 500 && isScreenSaverEnabled() && isScreenSaverActivatedOnDock()) { 501 Slog.i(TAG, "Activating dream while docked."); 502 try { 503 IDreamManager dreamManagerService = IDreamManager.Stub.asInterface( 504 ServiceManager.getService(DreamService.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