UiModeManagerService.java revision 9158825f9c41869689d6b1786d7c7aa8bdd524ce
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.IBinder; 38import android.os.PowerManager; 39import android.os.RemoteException; 40import android.os.UserHandle; 41import android.provider.Settings; 42import android.service.dreams.Sandman; 43import android.util.Slog; 44 45import java.io.FileDescriptor; 46import java.io.PrintWriter; 47 48import com.android.internal.R; 49import com.android.internal.app.DisableCarModeActivity; 50import com.android.server.twilight.TwilightListener; 51import com.android.server.twilight.TwilightManager; 52import com.android.server.twilight.TwilightState; 53 54final class UiModeManagerService extends SystemService { 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 final Object mLock = new Object(); 63 private int mDockState = Intent.EXTRA_DOCK_STATE_UNDOCKED; 64 65 private int mLastBroadcastState = Intent.EXTRA_DOCK_STATE_UNDOCKED; 66 int mNightMode = UiModeManager.MODE_NIGHT_NO; 67 68 private boolean mCarModeEnabled = false; 69 private boolean mCharging = false; 70 private int mDefaultUiModeType; 71 private boolean mCarModeKeepsScreenOn; 72 private boolean mDeskModeKeepsScreenOn; 73 private boolean mTelevision; 74 private boolean mComputedNightMode; 75 76 int mCurUiMode = 0; 77 private int mSetUiMode = 0; 78 private boolean mHoldingConfiguration = false; 79 80 private Configuration mConfiguration = new Configuration(); 81 boolean mSystemReady; 82 83 private final Handler mHandler = new Handler(); 84 85 private TwilightManager mTwilightManager; 86 private NotificationManager mNotificationManager; 87 private StatusBarManager mStatusBarManager; 88 89 private PowerManager.WakeLock mWakeLock; 90 91 private static Intent buildHomeIntent(String category) { 92 Intent intent = new Intent(Intent.ACTION_MAIN); 93 intent.addCategory(category); 94 intent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK 95 | Intent.FLAG_ACTIVITY_RESET_TASK_IF_NEEDED); 96 return intent; 97 } 98 99 // The broadcast receiver which receives the result of the ordered broadcast sent when 100 // the dock state changes. The original ordered broadcast is sent with an initial result 101 // code of RESULT_OK. If any of the registered broadcast receivers changes this value, e.g., 102 // to RESULT_CANCELED, then the intent to start a dock app will not be sent. 103 private final BroadcastReceiver mResultReceiver = new BroadcastReceiver() { 104 @Override 105 public void onReceive(Context context, Intent intent) { 106 if (getResultCode() != Activity.RESULT_OK) { 107 if (LOG) { 108 Slog.v(TAG, "Handling broadcast result for action " + intent.getAction() 109 + ": canceled: " + getResultCode()); 110 } 111 return; 112 } 113 114 final int enableFlags = intent.getIntExtra("enableFlags", 0); 115 final int disableFlags = intent.getIntExtra("disableFlags", 0); 116 synchronized (mLock) { 117 updateAfterBroadcastLocked(intent.getAction(), enableFlags, disableFlags); 118 } 119 } 120 }; 121 122 private final BroadcastReceiver mDockModeReceiver = new BroadcastReceiver() { 123 @Override 124 public void onReceive(Context context, Intent intent) { 125 int state = intent.getIntExtra(Intent.EXTRA_DOCK_STATE, 126 Intent.EXTRA_DOCK_STATE_UNDOCKED); 127 updateDockState(state); 128 } 129 }; 130 131 private final BroadcastReceiver mBatteryReceiver = new BroadcastReceiver() { 132 @Override 133 public void onReceive(Context context, Intent intent) { 134 mCharging = (intent.getIntExtra(BatteryManager.EXTRA_PLUGGED, 0) != 0); 135 synchronized (mLock) { 136 if (mSystemReady) { 137 updateLocked(0, 0); 138 } 139 } 140 } 141 }; 142 143 private final TwilightListener mTwilightListener = new TwilightListener() { 144 @Override 145 public void onTwilightStateChanged() { 146 updateTwilight(); 147 } 148 }; 149 150 @Override 151 public void onStart() { 152 final Context context = getContext(); 153 mTwilightManager = getLocalService(TwilightManager.class); 154 final PowerManager powerManager = 155 (PowerManager) context.getSystemService(Context.POWER_SERVICE); 156 mWakeLock = powerManager.newWakeLock(PowerManager.FULL_WAKE_LOCK, TAG); 157 158 context.registerReceiver(mDockModeReceiver, 159 new IntentFilter(Intent.ACTION_DOCK_EVENT)); 160 context.registerReceiver(mBatteryReceiver, 161 new IntentFilter(Intent.ACTION_BATTERY_CHANGED)); 162 163 mConfiguration.setToDefaults(); 164 165 mDefaultUiModeType = context.getResources().getInteger( 166 com.android.internal.R.integer.config_defaultUiModeType); 167 mCarModeKeepsScreenOn = (context.getResources().getInteger( 168 com.android.internal.R.integer.config_carDockKeepsScreenOn) == 1); 169 mDeskModeKeepsScreenOn = (context.getResources().getInteger( 170 com.android.internal.R.integer.config_deskDockKeepsScreenOn) == 1); 171 mTelevision = context.getPackageManager().hasSystemFeature( 172 PackageManager.FEATURE_TELEVISION); 173 174 mNightMode = Settings.Secure.getInt(context.getContentResolver(), 175 Settings.Secure.UI_NIGHT_MODE, UiModeManager.MODE_NIGHT_AUTO); 176 177 mTwilightManager.registerListener(mTwilightListener, mHandler); 178 179 publishBinderService(Context.UI_MODE_SERVICE, mService); 180 } 181 182 private final IBinder mService = new IUiModeManager.Stub() { 183 @Override 184 public void enableCarMode(int flags) { 185 final long ident = Binder.clearCallingIdentity(); 186 try { 187 synchronized (mLock) { 188 setCarModeLocked(true); 189 if (mSystemReady) { 190 updateLocked(flags, 0); 191 } 192 } 193 } finally { 194 Binder.restoreCallingIdentity(ident); 195 } 196 } 197 198 @Override 199 public void disableCarMode(int flags) { 200 final long ident = Binder.clearCallingIdentity(); 201 try { 202 synchronized (mLock) { 203 setCarModeLocked(false); 204 if (mSystemReady) { 205 updateLocked(0, flags); 206 } 207 } 208 } finally { 209 Binder.restoreCallingIdentity(ident); 210 } 211 } 212 213 @Override 214 public int getCurrentModeType() { 215 final long ident = Binder.clearCallingIdentity(); 216 try { 217 synchronized (mLock) { 218 return mCurUiMode & Configuration.UI_MODE_TYPE_MASK; 219 } 220 } finally { 221 Binder.restoreCallingIdentity(ident); 222 } 223 } 224 225 @Override 226 public void setNightMode(int mode) { 227 switch (mode) { 228 case UiModeManager.MODE_NIGHT_NO: 229 case UiModeManager.MODE_NIGHT_YES: 230 case UiModeManager.MODE_NIGHT_AUTO: 231 break; 232 default: 233 throw new IllegalArgumentException("Unknown mode: " + mode); 234 } 235 236 final long ident = Binder.clearCallingIdentity(); 237 try { 238 synchronized (mLock) { 239 if (isDoingNightModeLocked() && mNightMode != mode) { 240 Settings.Secure.putInt(getContext().getContentResolver(), 241 Settings.Secure.UI_NIGHT_MODE, mode); 242 mNightMode = mode; 243 updateLocked(0, 0); 244 } 245 } 246 } finally { 247 Binder.restoreCallingIdentity(ident); 248 } 249 } 250 251 @Override 252 public int getNightMode() { 253 synchronized (mLock) { 254 return mNightMode; 255 } 256 } 257 258 @Override 259 protected void dump(FileDescriptor fd, PrintWriter pw, String[] args) { 260 if (getContext().checkCallingOrSelfPermission(android.Manifest.permission.DUMP) 261 != PackageManager.PERMISSION_GRANTED) { 262 263 pw.println("Permission Denial: can't dump uimode service from from pid=" 264 + Binder.getCallingPid() 265 + ", uid=" + Binder.getCallingUid()); 266 return; 267 } 268 269 dumpImpl(pw); 270 } 271 }; 272 273 void dumpImpl(PrintWriter pw) { 274 synchronized (mLock) { 275 pw.println("Current UI Mode Service state:"); 276 pw.print(" mDockState="); pw.print(mDockState); 277 pw.print(" mLastBroadcastState="); pw.println(mLastBroadcastState); 278 pw.print(" mNightMode="); pw.print(mNightMode); 279 pw.print(" mCarModeEnabled="); pw.print(mCarModeEnabled); 280 pw.print(" mComputedNightMode="); pw.println(mComputedNightMode); 281 pw.print(" mCurUiMode=0x"); pw.print(Integer.toHexString(mCurUiMode)); 282 pw.print(" mSetUiMode=0x"); pw.println(Integer.toHexString(mSetUiMode)); 283 pw.print(" mHoldingConfiguration="); pw.print(mHoldingConfiguration); 284 pw.print(" mSystemReady="); pw.println(mSystemReady); 285 pw.print(" mTwilightService.getCurrentState()="); 286 pw.println(mTwilightManager.getCurrentState()); 287 } 288 } 289 290 @Override 291 public void onBootPhase(int phase) { 292 if (phase == SystemService.PHASE_SYSTEM_SERVICES_READY) { 293 synchronized (mLock) { 294 mSystemReady = true; 295 mCarModeEnabled = mDockState == Intent.EXTRA_DOCK_STATE_CAR; 296 updateComputedNightModeLocked(); 297 updateLocked(0, 0); 298 } 299 } 300 } 301 302 boolean isDoingNightModeLocked() { 303 return mCarModeEnabled || mDockState != Intent.EXTRA_DOCK_STATE_UNDOCKED; 304 } 305 306 void setCarModeLocked(boolean enabled) { 307 if (mCarModeEnabled != enabled) { 308 mCarModeEnabled = enabled; 309 } 310 } 311 312 private void updateDockState(int newState) { 313 synchronized (mLock) { 314 if (newState != mDockState) { 315 mDockState = newState; 316 setCarModeLocked(mDockState == Intent.EXTRA_DOCK_STATE_CAR); 317 if (mSystemReady) { 318 updateLocked(UiModeManager.ENABLE_CAR_MODE_GO_CAR_HOME, 0); 319 } 320 } 321 } 322 } 323 324 private static boolean isDeskDockState(int state) { 325 switch (state) { 326 case Intent.EXTRA_DOCK_STATE_DESK: 327 case Intent.EXTRA_DOCK_STATE_LE_DESK: 328 case Intent.EXTRA_DOCK_STATE_HE_DESK: 329 return true; 330 default: 331 return false; 332 } 333 } 334 335 private void updateConfigurationLocked() { 336 int uiMode = mTelevision ? Configuration.UI_MODE_TYPE_TELEVISION : mDefaultUiModeType; 337 if (mCarModeEnabled) { 338 uiMode = Configuration.UI_MODE_TYPE_CAR; 339 } else if (isDeskDockState(mDockState)) { 340 uiMode = Configuration.UI_MODE_TYPE_DESK; 341 } 342 if (mCarModeEnabled) { 343 if (mNightMode == UiModeManager.MODE_NIGHT_AUTO) { 344 updateComputedNightModeLocked(); 345 uiMode |= mComputedNightMode ? Configuration.UI_MODE_NIGHT_YES 346 : Configuration.UI_MODE_NIGHT_NO; 347 } else { 348 uiMode |= mNightMode << 4; 349 } 350 } else { 351 // Disabling the car mode clears the night mode. 352 uiMode = (uiMode & ~Configuration.UI_MODE_NIGHT_MASK) | Configuration.UI_MODE_NIGHT_NO; 353 } 354 355 if (LOG) { 356 Slog.d(TAG, 357 "updateConfigurationLocked: mDockState=" + mDockState 358 + "; mCarMode=" + mCarModeEnabled 359 + "; mNightMode=" + mNightMode 360 + "; uiMode=" + uiMode); 361 } 362 363 mCurUiMode = uiMode; 364 if (!mHoldingConfiguration) { 365 mConfiguration.uiMode = uiMode; 366 } 367 } 368 369 private void sendConfigurationLocked() { 370 if (mSetUiMode != mConfiguration.uiMode) { 371 mSetUiMode = mConfiguration.uiMode; 372 373 try { 374 ActivityManagerNative.getDefault().updateConfiguration(mConfiguration); 375 } catch (RemoteException e) { 376 Slog.w(TAG, "Failure communicating with activity manager", e); 377 } 378 } 379 } 380 381 void updateLocked(int enableFlags, int disableFlags) { 382 String action = null; 383 String oldAction = null; 384 if (mLastBroadcastState == Intent.EXTRA_DOCK_STATE_CAR) { 385 adjustStatusBarCarModeLocked(); 386 oldAction = UiModeManager.ACTION_EXIT_CAR_MODE; 387 } else if (isDeskDockState(mLastBroadcastState)) { 388 oldAction = UiModeManager.ACTION_EXIT_DESK_MODE; 389 } 390 391 if (mCarModeEnabled) { 392 if (mLastBroadcastState != Intent.EXTRA_DOCK_STATE_CAR) { 393 adjustStatusBarCarModeLocked(); 394 395 if (oldAction != null) { 396 getContext().sendBroadcastAsUser(new Intent(oldAction), UserHandle.ALL); 397 } 398 mLastBroadcastState = Intent.EXTRA_DOCK_STATE_CAR; 399 action = UiModeManager.ACTION_ENTER_CAR_MODE; 400 } 401 } else if (isDeskDockState(mDockState)) { 402 if (!isDeskDockState(mLastBroadcastState)) { 403 if (oldAction != null) { 404 getContext().sendBroadcastAsUser(new Intent(oldAction), UserHandle.ALL); 405 } 406 mLastBroadcastState = mDockState; 407 action = UiModeManager.ACTION_ENTER_DESK_MODE; 408 } 409 } else { 410 mLastBroadcastState = Intent.EXTRA_DOCK_STATE_UNDOCKED; 411 action = oldAction; 412 } 413 414 if (action != null) { 415 if (LOG) { 416 Slog.v(TAG, String.format( 417 "updateLocked: preparing broadcast: action=%s enable=0x%08x disable=0x%08x", 418 action, enableFlags, disableFlags)); 419 } 420 421 // Send the ordered broadcast; the result receiver will receive after all 422 // broadcasts have been sent. If any broadcast receiver changes the result 423 // code from the initial value of RESULT_OK, then the result receiver will 424 // not launch the corresponding dock application. This gives apps a chance 425 // to override the behavior and stay in their app even when the device is 426 // placed into a dock. 427 Intent intent = new Intent(action); 428 intent.putExtra("enableFlags", enableFlags); 429 intent.putExtra("disableFlags", disableFlags); 430 getContext().sendOrderedBroadcastAsUser(intent, UserHandle.CURRENT, null, 431 mResultReceiver, null, Activity.RESULT_OK, null, null); 432 433 // Attempting to make this transition a little more clean, we are going 434 // to hold off on doing a configuration change until we have finished 435 // the broadcast and started the home activity. 436 mHoldingConfiguration = true; 437 updateConfigurationLocked(); 438 } else { 439 String category = null; 440 if (mCarModeEnabled) { 441 if (ENABLE_LAUNCH_CAR_DOCK_APP 442 && (enableFlags & UiModeManager.ENABLE_CAR_MODE_GO_CAR_HOME) != 0) { 443 category = Intent.CATEGORY_CAR_DOCK; 444 } 445 } else if (isDeskDockState(mDockState)) { 446 if (ENABLE_LAUNCH_DESK_DOCK_APP 447 && (enableFlags & UiModeManager.ENABLE_CAR_MODE_GO_CAR_HOME) != 0) { 448 category = Intent.CATEGORY_DESK_DOCK; 449 } 450 } else { 451 if ((disableFlags & UiModeManager.DISABLE_CAR_MODE_GO_HOME) != 0) { 452 category = Intent.CATEGORY_HOME; 453 } 454 } 455 456 if (LOG) { 457 Slog.v(TAG, "updateLocked: null action, mDockState=" 458 + mDockState +", category=" + category); 459 } 460 461 sendConfigurationAndStartDreamOrDockAppLocked(category); 462 } 463 464 // keep screen on when charging and in car mode 465 boolean keepScreenOn = mCharging && 466 ((mCarModeEnabled && mCarModeKeepsScreenOn) || 467 (mCurUiMode == Configuration.UI_MODE_TYPE_DESK && mDeskModeKeepsScreenOn)); 468 if (keepScreenOn != mWakeLock.isHeld()) { 469 if (keepScreenOn) { 470 mWakeLock.acquire(); 471 } else { 472 mWakeLock.release(); 473 } 474 } 475 } 476 477 private void updateAfterBroadcastLocked(String action, int enableFlags, int disableFlags) { 478 // Launch a dock activity 479 String category = null; 480 if (UiModeManager.ACTION_ENTER_CAR_MODE.equals(action)) { 481 // Only launch car home when car mode is enabled and the caller 482 // has asked us to switch to it. 483 if (ENABLE_LAUNCH_CAR_DOCK_APP 484 && (enableFlags & UiModeManager.ENABLE_CAR_MODE_GO_CAR_HOME) != 0) { 485 category = Intent.CATEGORY_CAR_DOCK; 486 } 487 } else if (UiModeManager.ACTION_ENTER_DESK_MODE.equals(action)) { 488 // Only launch car home when desk mode is enabled and the caller 489 // has asked us to switch to it. Currently re-using the car 490 // mode flag since we don't have a formal API for "desk mode". 491 if (ENABLE_LAUNCH_DESK_DOCK_APP 492 && (enableFlags & UiModeManager.ENABLE_CAR_MODE_GO_CAR_HOME) != 0) { 493 category = Intent.CATEGORY_DESK_DOCK; 494 } 495 } else { 496 // Launch the standard home app if requested. 497 if ((disableFlags & UiModeManager.DISABLE_CAR_MODE_GO_HOME) != 0) { 498 category = Intent.CATEGORY_HOME; 499 } 500 } 501 502 if (LOG) { 503 Slog.v(TAG, String.format( 504 "Handling broadcast result for action %s: enable=0x%08x, disable=0x%08x, " 505 + "category=%s", 506 action, enableFlags, disableFlags, category)); 507 } 508 509 sendConfigurationAndStartDreamOrDockAppLocked(category); 510 } 511 512 private void sendConfigurationAndStartDreamOrDockAppLocked(String category) { 513 // Update the configuration but don't send it yet. 514 mHoldingConfiguration = false; 515 updateConfigurationLocked(); 516 517 // Start the dock app, if there is one. 518 boolean dockAppStarted = false; 519 if (category != null) { 520 // Now we are going to be careful about switching the 521 // configuration and starting the activity -- we need to 522 // do this in a specific order under control of the 523 // activity manager, to do it cleanly. So compute the 524 // new config, but don't set it yet, and let the 525 // activity manager take care of both the start and config 526 // change. 527 Intent homeIntent = buildHomeIntent(category); 528 if (Sandman.shouldStartDockApp(getContext(), homeIntent)) { 529 try { 530 int result = ActivityManagerNative.getDefault().startActivityWithConfig( 531 null, null, homeIntent, null, null, null, 0, 0, 532 mConfiguration, null, UserHandle.USER_CURRENT); 533 if (result >= ActivityManager.START_SUCCESS) { 534 dockAppStarted = true; 535 } else if (result != ActivityManager.START_INTENT_NOT_RESOLVED) { 536 Slog.e(TAG, "Could not start dock app: " + homeIntent 537 + ", startActivityWithConfig result " + result); 538 } 539 } catch (RemoteException ex) { 540 Slog.e(TAG, "Could not start dock app: " + homeIntent, ex); 541 } 542 } 543 } 544 545 // Send the new configuration. 546 sendConfigurationLocked(); 547 548 // If we did not start a dock app, then start dreaming if supported. 549 if (category != null && !dockAppStarted) { 550 Sandman.startDreamWhenDockedIfAppropriate(getContext()); 551 } 552 } 553 554 private void adjustStatusBarCarModeLocked() { 555 final Context context = getContext(); 556 if (mStatusBarManager == null) { 557 mStatusBarManager = (StatusBarManager) 558 context.getSystemService(Context.STATUS_BAR_SERVICE); 559 } 560 561 // Fear not: StatusBarManagerService manages a list of requests to disable 562 // features of the status bar; these are ORed together to form the 563 // active disabled list. So if (for example) the device is locked and 564 // the status bar should be totally disabled, the calls below will 565 // have no effect until the device is unlocked. 566 if (mStatusBarManager != null) { 567 mStatusBarManager.disable(mCarModeEnabled 568 ? StatusBarManager.DISABLE_NOTIFICATION_TICKER 569 : StatusBarManager.DISABLE_NONE); 570 } 571 572 if (mNotificationManager == null) { 573 mNotificationManager = (NotificationManager) 574 context.getSystemService(Context.NOTIFICATION_SERVICE); 575 } 576 577 if (mNotificationManager != null) { 578 if (mCarModeEnabled) { 579 Intent carModeOffIntent = new Intent(context, DisableCarModeActivity.class); 580 581 Notification n = new Notification(); 582 n.icon = R.drawable.stat_notify_car_mode; 583 n.defaults = Notification.DEFAULT_LIGHTS; 584 n.flags = Notification.FLAG_ONGOING_EVENT; 585 n.when = 0; 586 n.setLatestEventInfo( 587 context, 588 context.getString(R.string.car_mode_disable_notification_title), 589 context.getString(R.string.car_mode_disable_notification_message), 590 PendingIntent.getActivityAsUser(context, 0, carModeOffIntent, 0, 591 null, UserHandle.CURRENT)); 592 mNotificationManager.notifyAsUser(null, 593 R.string.car_mode_disable_notification_title, n, UserHandle.ALL); 594 } else { 595 mNotificationManager.cancelAsUser(null, 596 R.string.car_mode_disable_notification_title, UserHandle.ALL); 597 } 598 } 599 } 600 601 void updateTwilight() { 602 synchronized (mLock) { 603 if (isDoingNightModeLocked() && mNightMode == UiModeManager.MODE_NIGHT_AUTO) { 604 updateComputedNightModeLocked(); 605 updateLocked(0, 0); 606 } 607 } 608 } 609 610 private void updateComputedNightModeLocked() { 611 TwilightState state = mTwilightManager.getCurrentState(); 612 if (state != null) { 613 mComputedNightMode = state.isNight(); 614 } 615 } 616 617 618} 619