KeyguardViewMediator.java revision 299422baebe1b4c1bc2378f184b014a899dfe6ab
1/* 2 * Copyright (C) 2007 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.keyguard; 18 19import android.graphics.Bitmap; 20import com.android.internal.policy.IKeyguardExitCallback; 21import com.android.internal.policy.IKeyguardShowCallback; 22import static android.provider.Settings.System.SCREEN_OFF_TIMEOUT; 23 24import android.app.Activity; 25import android.app.ActivityManagerNative; 26import android.app.AlarmManager; 27import android.app.PendingIntent; 28import android.app.SearchManager; 29import android.app.StatusBarManager; 30import android.content.BroadcastReceiver; 31import android.content.ContentResolver; 32import android.content.Context; 33import android.content.Intent; 34import android.content.IntentFilter; 35import android.media.AudioManager; 36import android.media.SoundPool; 37import android.os.Bundle; 38import android.os.Handler; 39import android.os.Looper; 40import android.os.Message; 41import android.os.PowerManager; 42import android.os.RemoteException; 43import android.os.SystemClock; 44import android.os.SystemProperties; 45import android.os.UserHandle; 46import android.os.UserManager; 47import android.provider.Settings; 48import android.telephony.TelephonyManager; 49import android.util.EventLog; 50import android.util.Log; 51import android.util.Slog; 52import android.view.KeyEvent; 53import android.view.MotionEvent; 54import android.view.WindowManager; 55import android.view.WindowManagerPolicy; 56 57import com.android.internal.telephony.IccCardConstants; 58import com.android.internal.widget.LockPatternUtils; 59 60 61/** 62 * Mediates requests related to the keyguard. This includes queries about the 63 * state of the keyguard, power management events that effect whether the keyguard 64 * should be shown or reset, callbacks to the phone window manager to notify 65 * it of when the keyguard is showing, and events from the keyguard view itself 66 * stating that the keyguard was succesfully unlocked. 67 * 68 * Note that the keyguard view is shown when the screen is off (as appropriate) 69 * so that once the screen comes on, it will be ready immediately. 70 * 71 * Example queries about the keyguard: 72 * - is {movement, key} one that should wake the keygaurd? 73 * - is the keyguard showing? 74 * - are input events restricted due to the state of the keyguard? 75 * 76 * Callbacks to the phone window manager: 77 * - the keyguard is showing 78 * 79 * Example external events that translate to keyguard view changes: 80 * - screen turned off -> reset the keyguard, and show it so it will be ready 81 * next time the screen turns on 82 * - keyboard is slid open -> if the keyguard is not secure, hide it 83 * 84 * Events from the keyguard view: 85 * - user succesfully unlocked keyguard -> hide keyguard view, and no longer 86 * restrict input events. 87 * 88 * Note: in addition to normal power managment events that effect the state of 89 * whether the keyguard should be showing, external apps and services may request 90 * that the keyguard be disabled via {@link #setKeyguardEnabled(boolean)}. When 91 * false, this will override all other conditions for turning on the keyguard. 92 * 93 * Threading and synchronization: 94 * This class is created by the initialization routine of the {@link WindowManagerPolicy}, 95 * and runs on its thread. The keyguard UI is created from that thread in the 96 * constructor of this class. The apis may be called from other threads, including the 97 * {@link com.android.server.input.InputManagerService}'s and {@link android.view.WindowManager}'s. 98 * Therefore, methods on this class are synchronized, and any action that is pointed 99 * directly to the keyguard UI is posted to a {@link Handler} to ensure it is taken on the UI 100 * thread of the keyguard. 101 */ 102public class KeyguardViewMediator { 103 private static final int KEYGUARD_DISPLAY_TIMEOUT_DELAY_DEFAULT = 30000; 104 final static boolean DEBUG = false; 105 private final static boolean DBG_WAKE = false; 106 107 private final static String TAG = "KeyguardViewMediator"; 108 109 private static final String DELAYED_KEYGUARD_ACTION = 110 "com.android.internal.policy.impl.PhoneWindowManager.DELAYED_KEYGUARD"; 111 112 // used for handler messages 113 private static final int SHOW = 2; 114 private static final int HIDE = 3; 115 private static final int RESET = 4; 116 private static final int VERIFY_UNLOCK = 5; 117 private static final int NOTIFY_SCREEN_OFF = 6; 118 private static final int NOTIFY_SCREEN_ON = 7; 119 private static final int KEYGUARD_DONE = 9; 120 private static final int KEYGUARD_DONE_DRAWING = 10; 121 private static final int KEYGUARD_DONE_AUTHENTICATING = 11; 122 private static final int SET_HIDDEN = 12; 123 private static final int KEYGUARD_TIMEOUT = 13; 124 private static final int SHOW_ASSISTANT = 14; 125 private static final int DISPATCH_EVENT = 15; 126 private static final int LAUNCH_CAMERA = 16; 127 private static final int DISMISS = 17; 128 129 /** 130 * The default amount of time we stay awake (used for all key input) 131 */ 132 protected static final int AWAKE_INTERVAL_DEFAULT_MS = 10000; 133 134 /** 135 * How long to wait after the screen turns off due to timeout before 136 * turning on the keyguard (i.e, the user has this much time to turn 137 * the screen back on without having to face the keyguard). 138 */ 139 private static final int KEYGUARD_LOCK_AFTER_DELAY_DEFAULT = 5000; 140 141 /** 142 * How long we'll wait for the {@link ViewMediatorCallback#keyguardDoneDrawing()} 143 * callback before unblocking a call to {@link #setKeyguardEnabled(boolean)} 144 * that is reenabling the keyguard. 145 */ 146 private static final int KEYGUARD_DONE_DRAWING_TIMEOUT_MS = 2000; 147 148 /** 149 * Allow the user to expand the status bar when the keyguard is engaged 150 * (without a pattern or password). 151 */ 152 private static final boolean ENABLE_INSECURE_STATUS_BAR_EXPAND = true; 153 154 /** The stream type that the lock sounds are tied to. */ 155 private int mMasterStreamType; 156 157 private Context mContext; 158 private AlarmManager mAlarmManager; 159 private AudioManager mAudioManager; 160 private StatusBarManager mStatusBarManager; 161 private boolean mSwitchingUser; 162 163 private boolean mSystemReady; 164 165 // Whether the next call to playSounds() should be skipped. Defaults to 166 // true because the first lock (on boot) should be silent. 167 private boolean mSuppressNextLockSound = true; 168 169 170 /** High level access to the power manager for WakeLocks */ 171 private PowerManager mPM; 172 173 /** UserManager for querying number of users */ 174 private UserManager mUserManager; 175 176 /** SearchManager for determining whether or not search assistant is available */ 177 private SearchManager mSearchManager; 178 179 /** 180 * Used to keep the device awake while to ensure the keyguard finishes opening before 181 * we sleep. 182 */ 183 private PowerManager.WakeLock mShowKeyguardWakeLock; 184 185 private KeyguardViewManager mKeyguardViewManager; 186 187 // these are protected by synchronized (this) 188 189 /** 190 * External apps (like the phone app) can tell us to disable the keygaurd. 191 */ 192 private boolean mExternallyEnabled = true; 193 194 /** 195 * Remember if an external call to {@link #setKeyguardEnabled} with value 196 * false caused us to hide the keyguard, so that we need to reshow it once 197 * the keygaurd is reenabled with another call with value true. 198 */ 199 private boolean mNeedToReshowWhenReenabled = false; 200 201 // cached value of whether we are showing (need to know this to quickly 202 // answer whether the input should be restricted) 203 private boolean mShowing; 204 205 // true if the keyguard is hidden by another window 206 private boolean mHidden = false; 207 208 /** 209 * Helps remember whether the screen has turned on since the last time 210 * it turned off due to timeout. see {@link #onScreenTurnedOff(int)} 211 */ 212 private int mDelayedShowingSequence; 213 214 /** 215 * If the user has disabled the keyguard, then requests to exit, this is 216 * how we'll ultimately let them know whether it was successful. We use this 217 * var being non-null as an indicator that there is an in progress request. 218 */ 219 private IKeyguardExitCallback mExitSecureCallback; 220 221 // the properties of the keyguard 222 223 private KeyguardUpdateMonitor mUpdateMonitor; 224 225 private boolean mScreenOn; 226 227 // last known state of the cellular connection 228 private String mPhoneState = TelephonyManager.EXTRA_STATE_IDLE; 229 230 /** 231 * we send this intent when the keyguard is dismissed. 232 */ 233 private static final Intent USER_PRESENT_INTENT = new Intent(Intent.ACTION_USER_PRESENT) 234 .addFlags(Intent.FLAG_RECEIVER_REPLACE_PENDING 235 | Intent.FLAG_RECEIVER_REGISTERED_ONLY_BEFORE_BOOT); 236 237 /** 238 * {@link #setKeyguardEnabled} waits on this condition when it reenables 239 * the keyguard. 240 */ 241 private boolean mWaitingUntilKeyguardVisible = false; 242 private LockPatternUtils mLockPatternUtils; 243 private boolean mKeyguardDonePending = false; 244 245 private SoundPool mLockSounds; 246 private int mLockSoundId; 247 private int mUnlockSoundId; 248 private int mLockSoundStreamId; 249 250 /** 251 * The volume applied to the lock/unlock sounds. 252 */ 253 private final float mLockSoundVolume; 254 255 /** 256 * For managing external displays 257 */ 258 private KeyguardDisplayManager mKeyguardDisplayManager; 259 260 /** 261 * Cache of avatar drawables, for use by KeyguardMultiUserAvatar. 262 */ 263 private static MultiUserAvatarCache sMultiUserAvatarCache = new MultiUserAvatarCache(); 264 265 /** 266 * The callback used by the keyguard view to tell the {@link KeyguardViewMediator} 267 * various things. 268 */ 269 public interface ViewMediatorCallback { 270 /** 271 * Reports user activity and requests that the screen stay on. 272 */ 273 void userActivity(); 274 275 /** 276 * Reports user activity and requests that the screen stay on for at least 277 * the specified amount of time. 278 * @param millis The amount of time in millis. This value is currently ignored. 279 */ 280 void userActivity(long millis); 281 282 /** 283 * Report that the keyguard is done. 284 * @param authenticated Whether the user securely got past the keyguard. 285 * the only reason for this to be false is if the keyguard was instructed 286 * to appear temporarily to verify the user is supposed to get past the 287 * keyguard, and the user fails to do so. 288 */ 289 void keyguardDone(boolean authenticated); 290 291 /** 292 * Report that the keyguard is done drawing. 293 */ 294 void keyguardDoneDrawing(); 295 296 /** 297 * Tell ViewMediator that the current view needs IME input 298 * @param needsInput 299 */ 300 void setNeedsInput(boolean needsInput); 301 302 /** 303 * Tell view mediator that the keyguard view's desired user activity timeout 304 * has changed and needs to be reapplied to the window. 305 */ 306 void onUserActivityTimeoutChanged(); 307 308 /** 309 * Report that the keyguard is dismissable, pending the next keyguardDone call. 310 */ 311 void keyguardDonePending(); 312 313 /** 314 * Report when keyguard is actually gone 315 */ 316 void keyguardGone(); 317 } 318 319 KeyguardUpdateMonitorCallback mUpdateCallback = new KeyguardUpdateMonitorCallback() { 320 321 @Override 322 public void onUserSwitching(int userId) { 323 // Note that the mLockPatternUtils user has already been updated from setCurrentUser. 324 // We need to force a reset of the views, since lockNow (called by 325 // ActivityManagerService) will not reconstruct the keyguard if it is already showing. 326 synchronized (KeyguardViewMediator.this) { 327 mSwitchingUser = true; 328 resetStateLocked(null); 329 adjustStatusBarLocked(); 330 // When we switch users we want to bring the new user to the biometric unlock even 331 // if the current user has gone to the backup. 332 KeyguardUpdateMonitor.getInstance(mContext).setAlternateUnlockEnabled(true); 333 } 334 } 335 336 @Override 337 public void onUserSwitchComplete(int userId) { 338 mSwitchingUser = false; 339 } 340 341 @Override 342 public void onUserRemoved(int userId) { 343 mLockPatternUtils.removeUser(userId); 344 sMultiUserAvatarCache.clear(userId); 345 } 346 347 @Override 348 public void onUserInfoChanged(int userId) { 349 sMultiUserAvatarCache.clear(userId); 350 } 351 352 @Override 353 void onPhoneStateChanged(int phoneState) { 354 synchronized (KeyguardViewMediator.this) { 355 if (TelephonyManager.CALL_STATE_IDLE == phoneState // call ending 356 && !mScreenOn // screen off 357 && mExternallyEnabled) { // not disabled by any app 358 359 // note: this is a way to gracefully reenable the keyguard when the call 360 // ends and the screen is off without always reenabling the keyguard 361 // each time the screen turns off while in call (and having an occasional ugly 362 // flicker while turning back on the screen and disabling the keyguard again). 363 if (DEBUG) Log.d(TAG, "screen is off and call ended, let's make sure the " 364 + "keyguard is showing"); 365 doKeyguardLocked(null); 366 } 367 } 368 }; 369 370 @Override 371 public void onClockVisibilityChanged() { 372 adjustStatusBarLocked(); 373 } 374 375 @Override 376 public void onDeviceProvisioned() { 377 sendUserPresentBroadcast(); 378 } 379 380 @Override 381 public void onSimStateChanged(IccCardConstants.State simState) { 382 if (DEBUG) Log.d(TAG, "onSimStateChanged: " + simState); 383 384 switch (simState) { 385 case NOT_READY: 386 case ABSENT: 387 // only force lock screen in case of missing sim if user hasn't 388 // gone through setup wizard 389 synchronized (this) { 390 if (!mUpdateMonitor.isDeviceProvisioned()) { 391 if (!isShowing()) { 392 if (DEBUG) Log.d(TAG, "ICC_ABSENT isn't showing," 393 + " we need to show the keyguard since the " 394 + "device isn't provisioned yet."); 395 doKeyguardLocked(null); 396 } else { 397 resetStateLocked(null); 398 } 399 } 400 } 401 break; 402 case PIN_REQUIRED: 403 case PUK_REQUIRED: 404 synchronized (this) { 405 if (!isShowing()) { 406 if (DEBUG) Log.d(TAG, "INTENT_VALUE_ICC_LOCKED and keygaurd isn't " 407 + "showing; need to show keyguard so user can enter sim pin"); 408 doKeyguardLocked(null); 409 } else { 410 resetStateLocked(null); 411 } 412 } 413 break; 414 case PERM_DISABLED: 415 synchronized (this) { 416 if (!isShowing()) { 417 if (DEBUG) Log.d(TAG, "PERM_DISABLED and " 418 + "keygaurd isn't showing."); 419 doKeyguardLocked(null); 420 } else { 421 if (DEBUG) Log.d(TAG, "PERM_DISABLED, resetStateLocked to" 422 + "show permanently disabled message in lockscreen."); 423 resetStateLocked(null); 424 } 425 } 426 break; 427 case READY: 428 synchronized (this) { 429 if (isShowing()) { 430 resetStateLocked(null); 431 } 432 } 433 break; 434 } 435 } 436 437 }; 438 439 ViewMediatorCallback mViewMediatorCallback = new ViewMediatorCallback() { 440 public void userActivity() { 441 KeyguardViewMediator.this.userActivity(); 442 } 443 444 public void userActivity(long holdMs) { 445 KeyguardViewMediator.this.userActivity(holdMs); 446 } 447 448 public void keyguardDone(boolean authenticated) { 449 KeyguardViewMediator.this.keyguardDone(authenticated, true); 450 } 451 452 public void keyguardDoneDrawing() { 453 mHandler.sendEmptyMessage(KEYGUARD_DONE_DRAWING); 454 } 455 456 @Override 457 public void setNeedsInput(boolean needsInput) { 458 mKeyguardViewManager.setNeedsInput(needsInput); 459 } 460 461 @Override 462 public void onUserActivityTimeoutChanged() { 463 mKeyguardViewManager.updateUserActivityTimeout(); 464 } 465 466 @Override 467 public void keyguardDonePending() { 468 mKeyguardDonePending = true; 469 } 470 471 @Override 472 public void keyguardGone() { 473 mKeyguardDisplayManager.hide(); 474 } 475 }; 476 477 private void userActivity() { 478 userActivity(AWAKE_INTERVAL_DEFAULT_MS); 479 } 480 481 public void userActivity(long holdMs) { 482 // We ignore the hold time. Eventually we should remove it. 483 // Instead, the keyguard window has an explicit user activity timeout set on it. 484 mPM.userActivity(SystemClock.uptimeMillis(), false); 485 } 486 487 /** 488 * Construct a KeyguardViewMediator 489 * @param context 490 * @param lockPatternUtils optional mock interface for LockPatternUtils 491 */ 492 public KeyguardViewMediator(Context context, LockPatternUtils lockPatternUtils) { 493 mContext = context; 494 mPM = (PowerManager) context.getSystemService(Context.POWER_SERVICE); 495 mUserManager = (UserManager) mContext.getSystemService(Context.USER_SERVICE); 496 mShowKeyguardWakeLock = mPM.newWakeLock(PowerManager.PARTIAL_WAKE_LOCK, "show keyguard"); 497 mShowKeyguardWakeLock.setReferenceCounted(false); 498 499 mContext.registerReceiver(mBroadcastReceiver, new IntentFilter(DELAYED_KEYGUARD_ACTION)); 500 501 mKeyguardDisplayManager = new KeyguardDisplayManager(context); 502 503 mAlarmManager = (AlarmManager) context.getSystemService(Context.ALARM_SERVICE); 504 505 mUpdateMonitor = KeyguardUpdateMonitor.getInstance(context); 506 507 mLockPatternUtils = lockPatternUtils != null 508 ? lockPatternUtils : new LockPatternUtils(mContext); 509 mLockPatternUtils.setCurrentUser(UserHandle.USER_OWNER); 510 511 // Assume keyguard is showing (unless it's disabled) until we know for sure... 512 mShowing = (mUpdateMonitor.isDeviceProvisioned() || mLockPatternUtils.isSecure()) 513 && !mLockPatternUtils.isLockScreenDisabled(); 514 515 WindowManager wm = (WindowManager)context.getSystemService(Context.WINDOW_SERVICE); 516 517 mKeyguardViewManager = new KeyguardViewManager(context, wm, mViewMediatorCallback, 518 mLockPatternUtils); 519 520 final ContentResolver cr = mContext.getContentResolver(); 521 522 mScreenOn = mPM.isScreenOn(); 523 524 mLockSounds = new SoundPool(1, AudioManager.STREAM_SYSTEM, 0); 525 String soundPath = Settings.Global.getString(cr, Settings.Global.LOCK_SOUND); 526 if (soundPath != null) { 527 mLockSoundId = mLockSounds.load(soundPath, 1); 528 } 529 if (soundPath == null || mLockSoundId == 0) { 530 Log.w(TAG, "failed to load lock sound from " + soundPath); 531 } 532 soundPath = Settings.Global.getString(cr, Settings.Global.UNLOCK_SOUND); 533 if (soundPath != null) { 534 mUnlockSoundId = mLockSounds.load(soundPath, 1); 535 } 536 if (soundPath == null || mUnlockSoundId == 0) { 537 Log.w(TAG, "failed to load unlock sound from " + soundPath); 538 } 539 int lockSoundDefaultAttenuation = context.getResources().getInteger( 540 com.android.internal.R.integer.config_lockSoundVolumeDb); 541 mLockSoundVolume = (float)Math.pow(10, (float)lockSoundDefaultAttenuation/20); 542 } 543 544 /** 545 * Let us know that the system is ready after startup. 546 */ 547 public void onSystemReady() { 548 mSearchManager = (SearchManager) mContext.getSystemService(Context.SEARCH_SERVICE); 549 synchronized (this) { 550 if (DEBUG) Log.d(TAG, "onSystemReady"); 551 mSystemReady = true; 552 mUpdateMonitor.registerCallback(mUpdateCallback); 553 554 // Suppress biometric unlock right after boot until things have settled if it is the 555 // selected security method, otherwise unsuppress it. It must be unsuppressed if it is 556 // not the selected security method for the following reason: if the user starts 557 // without a screen lock selected, the biometric unlock would be suppressed the first 558 // time they try to use it. 559 // 560 // Note that the biometric unlock will still not show if it is not the selected method. 561 // Calling setAlternateUnlockEnabled(true) simply says don't suppress it if it is the 562 // selected method. 563 if (mLockPatternUtils.usingBiometricWeak() 564 && mLockPatternUtils.isBiometricWeakInstalled()) { 565 if (DEBUG) Log.d(TAG, "suppressing biometric unlock during boot"); 566 mUpdateMonitor.setAlternateUnlockEnabled(false); 567 } else { 568 mUpdateMonitor.setAlternateUnlockEnabled(true); 569 } 570 571 doKeyguardLocked(null); 572 } 573 // Most services aren't available until the system reaches the ready state, so we 574 // send it here when the device first boots. 575 maybeSendUserPresentBroadcast(); 576 } 577 578 /** 579 * Called to let us know the screen was turned off. 580 * @param why either {@link WindowManagerPolicy#OFF_BECAUSE_OF_USER}, 581 * {@link WindowManagerPolicy#OFF_BECAUSE_OF_TIMEOUT} or 582 * {@link WindowManagerPolicy#OFF_BECAUSE_OF_PROX_SENSOR}. 583 */ 584 public void onScreenTurnedOff(int why) { 585 synchronized (this) { 586 mScreenOn = false; 587 if (DEBUG) Log.d(TAG, "onScreenTurnedOff(" + why + ")"); 588 589 mKeyguardDonePending = false; 590 591 // Lock immediately based on setting if secure (user has a pin/pattern/password). 592 // This also "locks" the device when not secure to provide easy access to the 593 // camera while preventing unwanted input. 594 final boolean lockImmediately = 595 mLockPatternUtils.getPowerButtonInstantlyLocks() || !mLockPatternUtils.isSecure(); 596 597 if (mExitSecureCallback != null) { 598 if (DEBUG) Log.d(TAG, "pending exit secure callback cancelled"); 599 try { 600 mExitSecureCallback.onKeyguardExitResult(false); 601 } catch (RemoteException e) { 602 Slog.w(TAG, "Failed to call onKeyguardExitResult(false)", e); 603 } 604 mExitSecureCallback = null; 605 if (!mExternallyEnabled) { 606 hideLocked(); 607 } 608 } else if (mShowing) { 609 notifyScreenOffLocked(); 610 resetStateLocked(null); 611 } else if (why == WindowManagerPolicy.OFF_BECAUSE_OF_TIMEOUT 612 || (why == WindowManagerPolicy.OFF_BECAUSE_OF_USER && !lockImmediately)) { 613 doKeyguardLaterLocked(); 614 } else if (why == WindowManagerPolicy.OFF_BECAUSE_OF_PROX_SENSOR) { 615 // Do not enable the keyguard if the prox sensor forced the screen off. 616 } else { 617 doKeyguardLocked(null); 618 } 619 } 620 KeyguardUpdateMonitor.getInstance(mContext).dispatchScreenTurndOff(why); 621 622 // This needs to run on the UI thread 623 mHandler.post(new Runnable() { 624 @Override 625 public void run() { 626 mKeyguardDisplayManager.show(); 627 } 628 }); 629 } 630 631 private void doKeyguardLaterLocked() { 632 // if the screen turned off because of timeout or the user hit the power button 633 // and we don't need to lock immediately, set an alarm 634 // to enable it a little bit later (i.e, give the user a chance 635 // to turn the screen back on within a certain window without 636 // having to unlock the screen) 637 final ContentResolver cr = mContext.getContentResolver(); 638 639 // From DisplaySettings 640 long displayTimeout = Settings.System.getInt(cr, SCREEN_OFF_TIMEOUT, 641 KEYGUARD_DISPLAY_TIMEOUT_DELAY_DEFAULT); 642 643 // From SecuritySettings 644 final long lockAfterTimeout = Settings.Secure.getInt(cr, 645 Settings.Secure.LOCK_SCREEN_LOCK_AFTER_TIMEOUT, 646 KEYGUARD_LOCK_AFTER_DELAY_DEFAULT); 647 648 // From DevicePolicyAdmin 649 final long policyTimeout = mLockPatternUtils.getDevicePolicyManager() 650 .getMaximumTimeToLock(null, mLockPatternUtils.getCurrentUser()); 651 652 long timeout; 653 if (policyTimeout > 0) { 654 // policy in effect. Make sure we don't go beyond policy limit. 655 displayTimeout = Math.max(displayTimeout, 0); // ignore negative values 656 timeout = Math.min(policyTimeout - displayTimeout, lockAfterTimeout); 657 } else { 658 timeout = lockAfterTimeout; 659 } 660 661 if (timeout <= 0) { 662 // Lock now 663 mSuppressNextLockSound = true; 664 doKeyguardLocked(null); 665 } else { 666 // Lock in the future 667 long when = SystemClock.elapsedRealtime() + timeout; 668 Intent intent = new Intent(DELAYED_KEYGUARD_ACTION); 669 intent.putExtra("seq", mDelayedShowingSequence); 670 PendingIntent sender = PendingIntent.getBroadcast(mContext, 671 0, intent, PendingIntent.FLAG_CANCEL_CURRENT); 672 mAlarmManager.set(AlarmManager.ELAPSED_REALTIME_WAKEUP, when, sender); 673 if (DEBUG) Log.d(TAG, "setting alarm to turn off keyguard, seq = " 674 + mDelayedShowingSequence); 675 } 676 } 677 678 private void cancelDoKeyguardLaterLocked() { 679 mDelayedShowingSequence++; 680 } 681 682 /** 683 * Let's us know the screen was turned on. 684 */ 685 public void onScreenTurnedOn(IKeyguardShowCallback callback) { 686 synchronized (this) { 687 mScreenOn = true; 688 cancelDoKeyguardLaterLocked(); 689 if (DEBUG) Log.d(TAG, "onScreenTurnedOn, seq = " + mDelayedShowingSequence); 690 if (callback != null) { 691 notifyScreenOnLocked(callback); 692 } 693 } 694 KeyguardUpdateMonitor.getInstance(mContext).dispatchScreenTurnedOn(); 695 maybeSendUserPresentBroadcast(); 696 } 697 698 private void maybeSendUserPresentBroadcast() { 699 if (mSystemReady && mLockPatternUtils.isLockScreenDisabled() 700 && mUserManager.getUsers(true).size() == 1) { 701 // Lock screen is disabled because the user has set the preference to "None". 702 // In this case, send out ACTION_USER_PRESENT here instead of in 703 // handleKeyguardDone() 704 sendUserPresentBroadcast(); 705 } 706 } 707 708 /** 709 * A dream started. We should lock after the usual screen-off lock timeout but only 710 * if there is a secure lock pattern. 711 */ 712 public void onDreamingStarted() { 713 synchronized (this) { 714 if (mScreenOn && mLockPatternUtils.isSecure()) { 715 doKeyguardLaterLocked(); 716 } 717 } 718 } 719 720 /** 721 * A dream stopped. 722 */ 723 public void onDreamingStopped() { 724 synchronized (this) { 725 if (mScreenOn) { 726 cancelDoKeyguardLaterLocked(); 727 } 728 } 729 } 730 731 /** 732 * Same semantics as {@link WindowManagerPolicy#enableKeyguard}; provide 733 * a way for external stuff to override normal keyguard behavior. For instance 734 * the phone app disables the keyguard when it receives incoming calls. 735 */ 736 public void setKeyguardEnabled(boolean enabled) { 737 synchronized (this) { 738 if (DEBUG) Log.d(TAG, "setKeyguardEnabled(" + enabled + ")"); 739 740 mExternallyEnabled = enabled; 741 742 if (!enabled && mShowing) { 743 if (mExitSecureCallback != null) { 744 if (DEBUG) Log.d(TAG, "in process of verifyUnlock request, ignoring"); 745 // we're in the process of handling a request to verify the user 746 // can get past the keyguard. ignore extraneous requests to disable / reenable 747 return; 748 } 749 750 // hiding keyguard that is showing, remember to reshow later 751 if (DEBUG) Log.d(TAG, "remembering to reshow, hiding keyguard, " 752 + "disabling status bar expansion"); 753 mNeedToReshowWhenReenabled = true; 754 hideLocked(); 755 } else if (enabled && mNeedToReshowWhenReenabled) { 756 // reenabled after previously hidden, reshow 757 if (DEBUG) Log.d(TAG, "previously hidden, reshowing, reenabling " 758 + "status bar expansion"); 759 mNeedToReshowWhenReenabled = false; 760 761 if (mExitSecureCallback != null) { 762 if (DEBUG) Log.d(TAG, "onKeyguardExitResult(false), resetting"); 763 try { 764 mExitSecureCallback.onKeyguardExitResult(false); 765 } catch (RemoteException e) { 766 Slog.w(TAG, "Failed to call onKeyguardExitResult(false)", e); 767 } 768 mExitSecureCallback = null; 769 resetStateLocked(null); 770 } else { 771 showLocked(null); 772 773 // block until we know the keygaurd is done drawing (and post a message 774 // to unblock us after a timeout so we don't risk blocking too long 775 // and causing an ANR). 776 mWaitingUntilKeyguardVisible = true; 777 mHandler.sendEmptyMessageDelayed(KEYGUARD_DONE_DRAWING, KEYGUARD_DONE_DRAWING_TIMEOUT_MS); 778 if (DEBUG) Log.d(TAG, "waiting until mWaitingUntilKeyguardVisible is false"); 779 while (mWaitingUntilKeyguardVisible) { 780 try { 781 wait(); 782 } catch (InterruptedException e) { 783 Thread.currentThread().interrupt(); 784 } 785 } 786 if (DEBUG) Log.d(TAG, "done waiting for mWaitingUntilKeyguardVisible"); 787 } 788 } 789 } 790 } 791 792 /** 793 * @see android.app.KeyguardManager#exitKeyguardSecurely 794 */ 795 public void verifyUnlock(IKeyguardExitCallback callback) { 796 synchronized (this) { 797 if (DEBUG) Log.d(TAG, "verifyUnlock"); 798 if (!mUpdateMonitor.isDeviceProvisioned()) { 799 // don't allow this api when the device isn't provisioned 800 if (DEBUG) Log.d(TAG, "ignoring because device isn't provisioned"); 801 try { 802 callback.onKeyguardExitResult(false); 803 } catch (RemoteException e) { 804 Slog.w(TAG, "Failed to call onKeyguardExitResult(false)", e); 805 } 806 } else if (mExternallyEnabled) { 807 // this only applies when the user has externally disabled the 808 // keyguard. this is unexpected and means the user is not 809 // using the api properly. 810 Log.w(TAG, "verifyUnlock called when not externally disabled"); 811 try { 812 callback.onKeyguardExitResult(false); 813 } catch (RemoteException e) { 814 Slog.w(TAG, "Failed to call onKeyguardExitResult(false)", e); 815 } 816 } else if (mExitSecureCallback != null) { 817 // already in progress with someone else 818 try { 819 callback.onKeyguardExitResult(false); 820 } catch (RemoteException e) { 821 Slog.w(TAG, "Failed to call onKeyguardExitResult(false)", e); 822 } 823 } else { 824 mExitSecureCallback = callback; 825 verifyUnlockLocked(); 826 } 827 } 828 } 829 830 /** 831 * Is the keyguard currently showing? 832 */ 833 public boolean isShowing() { 834 return mShowing; 835 } 836 837 /** 838 * Is the keyguard currently showing and not being force hidden? 839 */ 840 public boolean isShowingAndNotHidden() { 841 return mShowing && !mHidden; 842 } 843 844 /** 845 * Notify us when the keyguard is hidden by another window 846 */ 847 public void setHidden(boolean isHidden) { 848 if (DEBUG) Log.d(TAG, "setHidden " + isHidden); 849 mUpdateMonitor.sendKeyguardVisibilityChanged(!isHidden); 850 mHandler.removeMessages(SET_HIDDEN); 851 Message msg = mHandler.obtainMessage(SET_HIDDEN, (isHidden ? 1 : 0), 0); 852 mHandler.sendMessage(msg); 853 } 854 855 /** 856 * Handles SET_HIDDEN message sent by setHidden() 857 */ 858 private void handleSetHidden(boolean isHidden) { 859 synchronized (KeyguardViewMediator.this) { 860 if (mHidden != isHidden) { 861 mHidden = isHidden; 862 updateActivityLockScreenState(); 863 adjustStatusBarLocked(); 864 } 865 } 866 } 867 868 /** 869 * Used by PhoneWindowManager to enable the keyguard due to a user activity timeout. 870 * This must be safe to call from any thread and with any window manager locks held. 871 */ 872 public void doKeyguardTimeout(Bundle options) { 873 mHandler.removeMessages(KEYGUARD_TIMEOUT); 874 Message msg = mHandler.obtainMessage(KEYGUARD_TIMEOUT, options); 875 mHandler.sendMessage(msg); 876 } 877 878 /** 879 * Given the state of the keyguard, is the input restricted? 880 * Input is restricted when the keyguard is showing, or when the keyguard 881 * was suppressed by an app that disabled the keyguard or we haven't been provisioned yet. 882 */ 883 public boolean isInputRestricted() { 884 return mShowing || mNeedToReshowWhenReenabled || !mUpdateMonitor.isDeviceProvisioned(); 885 } 886 887 /** 888 * Enable the keyguard if the settings are appropriate. 889 */ 890 private void doKeyguardLocked(Bundle options) { 891 // if another app is disabling us, don't show 892 if (!mExternallyEnabled) { 893 if (DEBUG) Log.d(TAG, "doKeyguard: not showing because externally disabled"); 894 895 // note: we *should* set mNeedToReshowWhenReenabled=true here, but that makes 896 // for an occasional ugly flicker in this situation: 897 // 1) receive a call with the screen on (no keyguard) or make a call 898 // 2) screen times out 899 // 3) user hits key to turn screen back on 900 // instead, we reenable the keyguard when we know the screen is off and the call 901 // ends (see the broadcast receiver below) 902 // TODO: clean this up when we have better support at the window manager level 903 // for apps that wish to be on top of the keyguard 904 return; 905 } 906 907 // if the keyguard is already showing, don't bother 908 if (mKeyguardViewManager.isShowing()) { 909 if (DEBUG) Log.d(TAG, "doKeyguard: not showing because it is already showing"); 910 return; 911 } 912 913 // if the setup wizard hasn't run yet, don't show 914 final boolean requireSim = !SystemProperties.getBoolean("keyguard.no_require_sim", 915 false); 916 final boolean provisioned = mUpdateMonitor.isDeviceProvisioned(); 917 final IccCardConstants.State state = mUpdateMonitor.getSimState(); 918 final boolean lockedOrMissing = state.isPinLocked() 919 || ((state == IccCardConstants.State.ABSENT 920 || state == IccCardConstants.State.PERM_DISABLED) 921 && requireSim); 922 923 if (!lockedOrMissing && !provisioned) { 924 if (DEBUG) Log.d(TAG, "doKeyguard: not showing because device isn't provisioned" 925 + " and the sim is not locked or missing"); 926 return; 927 } 928 929 if (mUserManager.getUsers(true).size() < 2 930 && mLockPatternUtils.isLockScreenDisabled() && !lockedOrMissing) { 931 if (DEBUG) Log.d(TAG, "doKeyguard: not showing because lockscreen is off"); 932 return; 933 } 934 935 if (DEBUG) Log.d(TAG, "doKeyguard: showing the lock screen"); 936 showLocked(options); 937 } 938 939 /** 940 * Dismiss the keyguard through the security layers. 941 */ 942 public void handleDismiss() { 943 if (mShowing && !mHidden) { 944 mKeyguardViewManager.dismiss(); 945 } 946 } 947 948 public void dismiss() { 949 mHandler.sendEmptyMessage(DISMISS); 950 } 951 952 /** 953 * Send message to keyguard telling it to reset its state. 954 * @param options options about how to show the keyguard 955 * @see #handleReset() 956 */ 957 private void resetStateLocked(Bundle options) { 958 if (DEBUG) Log.e(TAG, "resetStateLocked"); 959 Message msg = mHandler.obtainMessage(RESET, options); 960 mHandler.sendMessage(msg); 961 } 962 963 /** 964 * Send message to keyguard telling it to verify unlock 965 * @see #handleVerifyUnlock() 966 */ 967 private void verifyUnlockLocked() { 968 if (DEBUG) Log.d(TAG, "verifyUnlockLocked"); 969 mHandler.sendEmptyMessage(VERIFY_UNLOCK); 970 } 971 972 973 /** 974 * Send a message to keyguard telling it the screen just turned on. 975 * @see #onScreenTurnedOff(int) 976 * @see #handleNotifyScreenOff 977 */ 978 private void notifyScreenOffLocked() { 979 if (DEBUG) Log.d(TAG, "notifyScreenOffLocked"); 980 mHandler.sendEmptyMessage(NOTIFY_SCREEN_OFF); 981 } 982 983 /** 984 * Send a message to keyguard telling it the screen just turned on. 985 * @see #onScreenTurnedOn() 986 * @see #handleNotifyScreenOn 987 */ 988 private void notifyScreenOnLocked(IKeyguardShowCallback result) { 989 if (DEBUG) Log.d(TAG, "notifyScreenOnLocked"); 990 Message msg = mHandler.obtainMessage(NOTIFY_SCREEN_ON, result); 991 mHandler.sendMessage(msg); 992 } 993 994 /** 995 * Send message to keyguard telling it to show itself 996 * @see #handleShow() 997 */ 998 private void showLocked(Bundle options) { 999 if (DEBUG) Log.d(TAG, "showLocked"); 1000 // ensure we stay awake until we are finished displaying the keyguard 1001 mShowKeyguardWakeLock.acquire(); 1002 Message msg = mHandler.obtainMessage(SHOW, options); 1003 mHandler.sendMessage(msg); 1004 } 1005 1006 /** 1007 * Send message to keyguard telling it to hide itself 1008 * @see #handleHide() 1009 */ 1010 private void hideLocked() { 1011 if (DEBUG) Log.d(TAG, "hideLocked"); 1012 Message msg = mHandler.obtainMessage(HIDE); 1013 mHandler.sendMessage(msg); 1014 } 1015 1016 public boolean isSecure() { 1017 return mLockPatternUtils.isSecure() 1018 || KeyguardUpdateMonitor.getInstance(mContext).isSimPinSecure(); 1019 } 1020 1021 /** 1022 * Update the newUserId. Call while holding WindowManagerService lock. 1023 * NOTE: Should only be called by KeyguardViewMediator in response to the user id changing. 1024 * 1025 * @param newUserId The id of the incoming user. 1026 */ 1027 public void setCurrentUser(int newUserId) { 1028 mLockPatternUtils.setCurrentUser(newUserId); 1029 } 1030 1031 private final BroadcastReceiver mBroadcastReceiver = new BroadcastReceiver() { 1032 @Override 1033 public void onReceive(Context context, Intent intent) { 1034 if (DELAYED_KEYGUARD_ACTION.equals(intent.getAction())) { 1035 final int sequence = intent.getIntExtra("seq", 0); 1036 if (DEBUG) Log.d(TAG, "received DELAYED_KEYGUARD_ACTION with seq = " 1037 + sequence + ", mDelayedShowingSequence = " + mDelayedShowingSequence); 1038 synchronized (KeyguardViewMediator.this) { 1039 if (mDelayedShowingSequence == sequence) { 1040 // Don't play lockscreen SFX if the screen went off due to timeout. 1041 mSuppressNextLockSound = true; 1042 doKeyguardLocked(null); 1043 } 1044 } 1045 } 1046 } 1047 }; 1048 1049 public void keyguardDone(boolean authenticated, boolean wakeup) { 1050 if (DEBUG) Log.d(TAG, "keyguardDone(" + authenticated + ")"); 1051 EventLog.writeEvent(70000, 2); 1052 synchronized (this) { 1053 mKeyguardDonePending = false; 1054 } 1055 Message msg = mHandler.obtainMessage(KEYGUARD_DONE, authenticated ? 1 : 0, wakeup ? 1 : 0); 1056 mHandler.sendMessage(msg); 1057 } 1058 1059 /** 1060 * This handler will be associated with the policy thread, which will also 1061 * be the UI thread of the keyguard. Since the apis of the policy, and therefore 1062 * this class, can be called by other threads, any action that directly 1063 * interacts with the keyguard ui should be posted to this handler, rather 1064 * than called directly. 1065 */ 1066 private Handler mHandler = new Handler(Looper.myLooper(), null, true /*async*/) { 1067 @Override 1068 public void handleMessage(Message msg) { 1069 switch (msg.what) { 1070 case SHOW: 1071 handleShow((Bundle) msg.obj); 1072 break; 1073 case HIDE: 1074 handleHide(); 1075 break; 1076 case RESET: 1077 handleReset((Bundle) msg.obj); 1078 break; 1079 case VERIFY_UNLOCK: 1080 handleVerifyUnlock(); 1081 break; 1082 case NOTIFY_SCREEN_OFF: 1083 handleNotifyScreenOff(); 1084 break; 1085 case NOTIFY_SCREEN_ON: 1086 handleNotifyScreenOn((IKeyguardShowCallback) msg.obj); 1087 break; 1088 case KEYGUARD_DONE: 1089 handleKeyguardDone(msg.arg1 != 0, msg.arg2 != 0); 1090 break; 1091 case KEYGUARD_DONE_DRAWING: 1092 handleKeyguardDoneDrawing(); 1093 break; 1094 case KEYGUARD_DONE_AUTHENTICATING: 1095 keyguardDone(true, true); 1096 break; 1097 case SET_HIDDEN: 1098 handleSetHidden(msg.arg1 != 0); 1099 break; 1100 case KEYGUARD_TIMEOUT: 1101 synchronized (KeyguardViewMediator.this) { 1102 doKeyguardLocked((Bundle) msg.obj); 1103 } 1104 break; 1105 case SHOW_ASSISTANT: 1106 handleShowAssistant(); 1107 break; 1108 case DISPATCH_EVENT: 1109 handleDispatchEvent((MotionEvent) msg.obj); 1110 break; 1111 case LAUNCH_CAMERA: 1112 handleLaunchCamera(); 1113 break; 1114 case DISMISS: 1115 handleDismiss(); 1116 break; 1117 } 1118 } 1119 }; 1120 1121 /** 1122 * @see #keyguardDone 1123 * @see #KEYGUARD_DONE 1124 */ 1125 private void handleKeyguardDone(boolean authenticated, boolean wakeup) { 1126 if (DEBUG) Log.d(TAG, "handleKeyguardDone"); 1127 1128 if (authenticated) { 1129 mUpdateMonitor.clearFailedUnlockAttempts(); 1130 } 1131 1132 if (mExitSecureCallback != null) { 1133 try { 1134 mExitSecureCallback.onKeyguardExitResult(authenticated); 1135 } catch (RemoteException e) { 1136 Slog.w(TAG, "Failed to call onKeyguardExitResult(" + authenticated + ")", e); 1137 } 1138 1139 mExitSecureCallback = null; 1140 1141 if (authenticated) { 1142 // after succesfully exiting securely, no need to reshow 1143 // the keyguard when they've released the lock 1144 mExternallyEnabled = true; 1145 mNeedToReshowWhenReenabled = false; 1146 } 1147 } 1148 1149 handleHide(); 1150 sendUserPresentBroadcast(); 1151 } 1152 1153 protected void handleLaunchCamera() { 1154 mKeyguardViewManager.launchCamera(); 1155 } 1156 1157 protected void handleDispatchEvent(MotionEvent event) { 1158 mKeyguardViewManager.dispatch(event); 1159 } 1160 1161 private void sendUserPresentBroadcast() { 1162 final UserHandle currentUser = new UserHandle(mLockPatternUtils.getCurrentUser()); 1163 mContext.sendBroadcastAsUser(USER_PRESENT_INTENT, currentUser); 1164 } 1165 1166 /** 1167 * @see #keyguardDoneDrawing 1168 * @see #KEYGUARD_DONE_DRAWING 1169 */ 1170 private void handleKeyguardDoneDrawing() { 1171 synchronized(this) { 1172 if (DEBUG) Log.d(TAG, "handleKeyguardDoneDrawing"); 1173 if (mWaitingUntilKeyguardVisible) { 1174 if (DEBUG) Log.d(TAG, "handleKeyguardDoneDrawing: notifying mWaitingUntilKeyguardVisible"); 1175 mWaitingUntilKeyguardVisible = false; 1176 notifyAll(); 1177 1178 // there will usually be two of these sent, one as a timeout, and one 1179 // as a result of the callback, so remove any remaining messages from 1180 // the queue 1181 mHandler.removeMessages(KEYGUARD_DONE_DRAWING); 1182 } 1183 } 1184 } 1185 1186 private void playSounds(boolean locked) { 1187 // User feedback for keyguard. 1188 1189 if (mSuppressNextLockSound) { 1190 mSuppressNextLockSound = false; 1191 return; 1192 } 1193 1194 final ContentResolver cr = mContext.getContentResolver(); 1195 if (Settings.System.getInt(cr, Settings.System.LOCKSCREEN_SOUNDS_ENABLED, 1) == 1) { 1196 final int whichSound = locked 1197 ? mLockSoundId 1198 : mUnlockSoundId; 1199 mLockSounds.stop(mLockSoundStreamId); 1200 // Init mAudioManager 1201 if (mAudioManager == null) { 1202 mAudioManager = (AudioManager) mContext.getSystemService(Context.AUDIO_SERVICE); 1203 if (mAudioManager == null) return; 1204 mMasterStreamType = mAudioManager.getMasterStreamType(); 1205 } 1206 // If the stream is muted, don't play the sound 1207 if (mAudioManager.isStreamMute(mMasterStreamType)) return; 1208 1209 mLockSoundStreamId = mLockSounds.play(whichSound, 1210 mLockSoundVolume, mLockSoundVolume, 1/*priortiy*/, 0/*loop*/, 1.0f/*rate*/); 1211 } 1212 } 1213 1214 private void updateActivityLockScreenState() { 1215 try { 1216 ActivityManagerNative.getDefault().setLockScreenShown(mShowing && !mHidden); 1217 } catch (RemoteException e) { 1218 } 1219 } 1220 1221 /** 1222 * Handle message sent by {@link #showLocked}. 1223 * @see #SHOW 1224 */ 1225 private void handleShow(Bundle options) { 1226 synchronized (KeyguardViewMediator.this) { 1227 if (!mSystemReady) { 1228 if (DEBUG) Log.d(TAG, "ignoring handleShow because system is not ready."); 1229 return; 1230 } else { 1231 if (DEBUG) Log.d(TAG, "handleShow"); 1232 } 1233 1234 mKeyguardViewManager.show(options); 1235 mShowing = true; 1236 mKeyguardDonePending = false; 1237 updateActivityLockScreenState(); 1238 adjustStatusBarLocked(); 1239 userActivity(); 1240 try { 1241 ActivityManagerNative.getDefault().closeSystemDialogs("lock"); 1242 } catch (RemoteException e) { 1243 } 1244 1245 // Do this at the end to not slow down display of the keyguard. 1246 playSounds(true); 1247 1248 mShowKeyguardWakeLock.release(); 1249 } 1250 mKeyguardDisplayManager.show(); 1251 } 1252 1253 /** 1254 * Handle message sent by {@link #hideLocked()} 1255 * @see #HIDE 1256 */ 1257 private void handleHide() { 1258 synchronized (KeyguardViewMediator.this) { 1259 if (DEBUG) Log.d(TAG, "handleHide"); 1260 1261 // only play "unlock" noises if not on a call (since the incall UI 1262 // disables the keyguard) 1263 if (TelephonyManager.EXTRA_STATE_IDLE.equals(mPhoneState)) { 1264 playSounds(false); 1265 } 1266 1267 mKeyguardViewManager.hide(); 1268 mShowing = false; 1269 mKeyguardDonePending = false; 1270 updateActivityLockScreenState(); 1271 adjustStatusBarLocked(); 1272 } 1273 } 1274 1275 private void adjustStatusBarLocked() { 1276 if (mStatusBarManager == null) { 1277 mStatusBarManager = (StatusBarManager) 1278 mContext.getSystemService(Context.STATUS_BAR_SERVICE); 1279 } 1280 if (mStatusBarManager == null) { 1281 Log.w(TAG, "Could not get status bar manager"); 1282 } else { 1283 // Disable aspects of the system/status/navigation bars that must not be re-enabled by 1284 // windows that appear on top, ever 1285 int flags = StatusBarManager.DISABLE_NONE; 1286 if (mShowing) { 1287 // Permanently disable components not available when keyguard is enabled 1288 // (like recents). Temporary enable/disable (e.g. the "back" button) are 1289 // done in KeyguardHostView. 1290 flags |= StatusBarManager.DISABLE_RECENT; 1291 if (isSecure() || !ENABLE_INSECURE_STATUS_BAR_EXPAND) { 1292 // showing secure lockscreen; disable expanding. 1293 flags |= StatusBarManager.DISABLE_EXPAND; 1294 } 1295 if (isSecure()) { 1296 // showing secure lockscreen; disable ticker. 1297 flags |= StatusBarManager.DISABLE_NOTIFICATION_TICKER; 1298 } 1299 if (!isAssistantAvailable()) { 1300 flags |= StatusBarManager.DISABLE_SEARCH; 1301 } 1302 } 1303 1304 if (DEBUG) { 1305 Log.d(TAG, "adjustStatusBarLocked: mShowing=" + mShowing + " mHidden=" + mHidden 1306 + " isSecure=" + isSecure() + " --> flags=0x" + Integer.toHexString(flags)); 1307 } 1308 1309 if (!(mContext instanceof Activity)) { 1310 mStatusBarManager.disable(flags); 1311 } 1312 } 1313 } 1314 1315 /** 1316 * Handle message sent by {@link #resetStateLocked(Bundle)} 1317 * @see #RESET 1318 */ 1319 private void handleReset(Bundle options) { 1320 if (options == null) { 1321 options = new Bundle(); 1322 } 1323 options.putBoolean(KeyguardViewManager.IS_SWITCHING_USER, mSwitchingUser); 1324 synchronized (KeyguardViewMediator.this) { 1325 if (DEBUG) Log.d(TAG, "handleReset"); 1326 mKeyguardViewManager.reset(options); 1327 } 1328 } 1329 1330 /** 1331 * Handle message sent by {@link #verifyUnlock} 1332 * @see #VERIFY_UNLOCK 1333 */ 1334 private void handleVerifyUnlock() { 1335 synchronized (KeyguardViewMediator.this) { 1336 if (DEBUG) Log.d(TAG, "handleVerifyUnlock"); 1337 mKeyguardViewManager.verifyUnlock(); 1338 mShowing = true; 1339 updateActivityLockScreenState(); 1340 } 1341 } 1342 1343 /** 1344 * Handle message sent by {@link #notifyScreenOffLocked()} 1345 * @see #NOTIFY_SCREEN_OFF 1346 */ 1347 private void handleNotifyScreenOff() { 1348 synchronized (KeyguardViewMediator.this) { 1349 if (DEBUG) Log.d(TAG, "handleNotifyScreenOff"); 1350 mKeyguardViewManager.onScreenTurnedOff(); 1351 } 1352 } 1353 1354 /** 1355 * Handle message sent by {@link #notifyScreenOnLocked()} 1356 * @see #NOTIFY_SCREEN_ON 1357 */ 1358 private void handleNotifyScreenOn(IKeyguardShowCallback callback) { 1359 synchronized (KeyguardViewMediator.this) { 1360 if (DEBUG) Log.d(TAG, "handleNotifyScreenOn"); 1361 mKeyguardViewManager.onScreenTurnedOn(callback); 1362 } 1363 } 1364 1365 public boolean isDismissable() { 1366 return mKeyguardDonePending || !isSecure(); 1367 } 1368 1369 public void showAssistant() { 1370 Message msg = mHandler.obtainMessage(SHOW_ASSISTANT); 1371 mHandler.sendMessage(msg); 1372 } 1373 1374 public void handleShowAssistant() { 1375 mKeyguardViewManager.showAssistant(); 1376 } 1377 1378 private boolean isAssistantAvailable() { 1379 return mSearchManager != null 1380 && mSearchManager.getAssistIntent(mContext, false, UserHandle.USER_CURRENT) != null; 1381 } 1382 1383 public static MultiUserAvatarCache getAvatarCache() { 1384 return sMultiUserAvatarCache; 1385 } 1386 1387 public void dispatch(MotionEvent event) { 1388 Message msg = mHandler.obtainMessage(DISPATCH_EVENT, event); 1389 mHandler.sendMessage(msg); 1390 } 1391 1392 public void launchCamera() { 1393 Message msg = mHandler.obtainMessage(LAUNCH_CAMERA); 1394 mHandler.sendMessage(msg); 1395 } 1396 1397 public void onBootCompleted() { 1398 mUpdateMonitor.dispatchBootCompleted(); 1399 } 1400} 1401