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 17 package com.android.keyguard; 18 19 import android.graphics.Bitmap; 20 import com.android.internal.policy.IKeyguardExitCallback; 21 import com.android.internal.policy.IKeyguardShowCallback; 22 import static android.provider.Settings.System.SCREEN_OFF_TIMEOUT; 23 24 import android.app.Activity; 25 import android.app.ActivityManagerNative; 26 import android.app.AlarmManager; 27 import android.app.PendingIntent; 28 import android.app.SearchManager; 29 import android.app.StatusBarManager; 30 import android.content.BroadcastReceiver; 31 import android.content.ContentResolver; 32 import android.content.Context; 33 import android.content.Intent; 34 import android.content.IntentFilter; 35 import android.media.AudioManager; 36 import android.media.SoundPool; 37 import android.os.Bundle; 38 import android.os.Handler; 39 import android.os.Looper; 40 import android.os.Message; 41 import android.os.PowerManager; 42 import android.os.RemoteException; 43 import android.os.SystemClock; 44 import android.os.SystemProperties; 45 import android.os.UserHandle; 46 import android.os.UserManager; 47 import android.provider.Settings; 48 import android.telephony.TelephonyManager; 49 import android.util.EventLog; 50 import android.util.Log; 51 import android.util.Slog; 52 import android.view.KeyEvent; 53 import android.view.MotionEvent; 54 import android.view.WindowManager; 55 import android.view.WindowManagerPolicy; 56 57 import com.android.internal.telephony.IccCardConstants; 58 import 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 */ 102 public 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 } 622 623 private void doKeyguardLaterLocked() { 624 // if the screen turned off because of timeout or the user hit the power button 625 // and we don't need to lock immediately, set an alarm 626 // to enable it a little bit later (i.e, give the user a chance 627 // to turn the screen back on within a certain window without 628 // having to unlock the screen) 629 final ContentResolver cr = mContext.getContentResolver(); 630 631 // From DisplaySettings 632 long displayTimeout = Settings.System.getInt(cr, SCREEN_OFF_TIMEOUT, 633 KEYGUARD_DISPLAY_TIMEOUT_DELAY_DEFAULT); 634 635 // From SecuritySettings 636 final long lockAfterTimeout = Settings.Secure.getInt(cr, 637 Settings.Secure.LOCK_SCREEN_LOCK_AFTER_TIMEOUT, 638 KEYGUARD_LOCK_AFTER_DELAY_DEFAULT); 639 640 // From DevicePolicyAdmin 641 final long policyTimeout = mLockPatternUtils.getDevicePolicyManager() 642 .getMaximumTimeToLock(null, mLockPatternUtils.getCurrentUser()); 643 644 long timeout; 645 if (policyTimeout > 0) { 646 // policy in effect. Make sure we don't go beyond policy limit. 647 displayTimeout = Math.max(displayTimeout, 0); // ignore negative values 648 timeout = Math.min(policyTimeout - displayTimeout, lockAfterTimeout); 649 } else { 650 timeout = lockAfterTimeout; 651 } 652 653 if (timeout <= 0) { 654 // Lock now 655 mSuppressNextLockSound = true; 656 doKeyguardLocked(null); 657 } else { 658 // Lock in the future 659 long when = SystemClock.elapsedRealtime() + timeout; 660 Intent intent = new Intent(DELAYED_KEYGUARD_ACTION); 661 intent.putExtra("seq", mDelayedShowingSequence); 662 PendingIntent sender = PendingIntent.getBroadcast(mContext, 663 0, intent, PendingIntent.FLAG_CANCEL_CURRENT); 664 mAlarmManager.set(AlarmManager.ELAPSED_REALTIME_WAKEUP, when, sender); 665 if (DEBUG) Log.d(TAG, "setting alarm to turn off keyguard, seq = " 666 + mDelayedShowingSequence); 667 } 668 } 669 670 private void cancelDoKeyguardLaterLocked() { 671 mDelayedShowingSequence++; 672 } 673 674 /** 675 * Let's us know the screen was turned on. 676 */ 677 public void onScreenTurnedOn(IKeyguardShowCallback callback) { 678 synchronized (this) { 679 mScreenOn = true; 680 cancelDoKeyguardLaterLocked(); 681 if (DEBUG) Log.d(TAG, "onScreenTurnedOn, seq = " + mDelayedShowingSequence); 682 if (callback != null) { 683 notifyScreenOnLocked(callback); 684 } 685 } 686 KeyguardUpdateMonitor.getInstance(mContext).dispatchScreenTurnedOn(); 687 maybeSendUserPresentBroadcast(); 688 } 689 690 private void maybeSendUserPresentBroadcast() { 691 if (mSystemReady && mLockPatternUtils.isLockScreenDisabled() 692 && mUserManager.getUsers(true).size() == 1) { 693 // Lock screen is disabled because the user has set the preference to "None". 694 // In this case, send out ACTION_USER_PRESENT here instead of in 695 // handleKeyguardDone() 696 sendUserPresentBroadcast(); 697 } 698 } 699 700 /** 701 * A dream started. We should lock after the usual screen-off lock timeout but only 702 * if there is a secure lock pattern. 703 */ 704 public void onDreamingStarted() { 705 synchronized (this) { 706 if (mScreenOn && mLockPatternUtils.isSecure()) { 707 doKeyguardLaterLocked(); 708 } 709 } 710 } 711 712 /** 713 * A dream stopped. 714 */ 715 public void onDreamingStopped() { 716 synchronized (this) { 717 if (mScreenOn) { 718 cancelDoKeyguardLaterLocked(); 719 } 720 } 721 } 722 723 /** 724 * Same semantics as {@link WindowManagerPolicy#enableKeyguard}; provide 725 * a way for external stuff to override normal keyguard behavior. For instance 726 * the phone app disables the keyguard when it receives incoming calls. 727 */ 728 public void setKeyguardEnabled(boolean enabled) { 729 synchronized (this) { 730 if (DEBUG) Log.d(TAG, "setKeyguardEnabled(" + enabled + ")"); 731 732 mExternallyEnabled = enabled; 733 734 if (!enabled && mShowing) { 735 if (mExitSecureCallback != null) { 736 if (DEBUG) Log.d(TAG, "in process of verifyUnlock request, ignoring"); 737 // we're in the process of handling a request to verify the user 738 // can get past the keyguard. ignore extraneous requests to disable / reenable 739 return; 740 } 741 742 // hiding keyguard that is showing, remember to reshow later 743 if (DEBUG) Log.d(TAG, "remembering to reshow, hiding keyguard, " 744 + "disabling status bar expansion"); 745 mNeedToReshowWhenReenabled = true; 746 hideLocked(); 747 } else if (enabled && mNeedToReshowWhenReenabled) { 748 // reenabled after previously hidden, reshow 749 if (DEBUG) Log.d(TAG, "previously hidden, reshowing, reenabling " 750 + "status bar expansion"); 751 mNeedToReshowWhenReenabled = false; 752 753 if (mExitSecureCallback != null) { 754 if (DEBUG) Log.d(TAG, "onKeyguardExitResult(false), resetting"); 755 try { 756 mExitSecureCallback.onKeyguardExitResult(false); 757 } catch (RemoteException e) { 758 Slog.w(TAG, "Failed to call onKeyguardExitResult(false)", e); 759 } 760 mExitSecureCallback = null; 761 resetStateLocked(null); 762 } else { 763 showLocked(null); 764 765 // block until we know the keygaurd is done drawing (and post a message 766 // to unblock us after a timeout so we don't risk blocking too long 767 // and causing an ANR). 768 mWaitingUntilKeyguardVisible = true; 769 mHandler.sendEmptyMessageDelayed(KEYGUARD_DONE_DRAWING, KEYGUARD_DONE_DRAWING_TIMEOUT_MS); 770 if (DEBUG) Log.d(TAG, "waiting until mWaitingUntilKeyguardVisible is false"); 771 while (mWaitingUntilKeyguardVisible) { 772 try { 773 wait(); 774 } catch (InterruptedException e) { 775 Thread.currentThread().interrupt(); 776 } 777 } 778 if (DEBUG) Log.d(TAG, "done waiting for mWaitingUntilKeyguardVisible"); 779 } 780 } 781 } 782 } 783 784 /** 785 * @see android.app.KeyguardManager#exitKeyguardSecurely 786 */ 787 public void verifyUnlock(IKeyguardExitCallback callback) { 788 synchronized (this) { 789 if (DEBUG) Log.d(TAG, "verifyUnlock"); 790 if (!mUpdateMonitor.isDeviceProvisioned()) { 791 // don't allow this api when the device isn't provisioned 792 if (DEBUG) Log.d(TAG, "ignoring because device isn't provisioned"); 793 try { 794 callback.onKeyguardExitResult(false); 795 } catch (RemoteException e) { 796 Slog.w(TAG, "Failed to call onKeyguardExitResult(false)", e); 797 } 798 } else if (mExternallyEnabled) { 799 // this only applies when the user has externally disabled the 800 // keyguard. this is unexpected and means the user is not 801 // using the api properly. 802 Log.w(TAG, "verifyUnlock called when not externally disabled"); 803 try { 804 callback.onKeyguardExitResult(false); 805 } catch (RemoteException e) { 806 Slog.w(TAG, "Failed to call onKeyguardExitResult(false)", e); 807 } 808 } else if (mExitSecureCallback != null) { 809 // already in progress with someone else 810 try { 811 callback.onKeyguardExitResult(false); 812 } catch (RemoteException e) { 813 Slog.w(TAG, "Failed to call onKeyguardExitResult(false)", e); 814 } 815 } else { 816 mExitSecureCallback = callback; 817 verifyUnlockLocked(); 818 } 819 } 820 } 821 822 /** 823 * Is the keyguard currently showing? 824 */ 825 public boolean isShowing() { 826 return mShowing; 827 } 828 829 /** 830 * Is the keyguard currently showing and not being force hidden? 831 */ 832 public boolean isShowingAndNotHidden() { 833 return mShowing && !mHidden; 834 } 835 836 /** 837 * Notify us when the keyguard is hidden by another window 838 */ 839 public void setHidden(boolean isHidden) { 840 if (DEBUG) Log.d(TAG, "setHidden " + isHidden); 841 mUpdateMonitor.sendKeyguardVisibilityChanged(!isHidden); 842 mHandler.removeMessages(SET_HIDDEN); 843 Message msg = mHandler.obtainMessage(SET_HIDDEN, (isHidden ? 1 : 0), 0); 844 mHandler.sendMessage(msg); 845 } 846 847 /** 848 * Handles SET_HIDDEN message sent by setHidden() 849 */ 850 private void handleSetHidden(boolean isHidden) { 851 synchronized (KeyguardViewMediator.this) { 852 if (mHidden != isHidden) { 853 mHidden = isHidden; 854 updateActivityLockScreenState(); 855 adjustStatusBarLocked(); 856 } 857 } 858 } 859 860 /** 861 * Used by PhoneWindowManager to enable the keyguard due to a user activity timeout. 862 * This must be safe to call from any thread and with any window manager locks held. 863 */ 864 public void doKeyguardTimeout(Bundle options) { 865 mHandler.removeMessages(KEYGUARD_TIMEOUT); 866 Message msg = mHandler.obtainMessage(KEYGUARD_TIMEOUT, options); 867 mHandler.sendMessage(msg); 868 } 869 870 /** 871 * Given the state of the keyguard, is the input restricted? 872 * Input is restricted when the keyguard is showing, or when the keyguard 873 * was suppressed by an app that disabled the keyguard or we haven't been provisioned yet. 874 */ 875 public boolean isInputRestricted() { 876 return mShowing || mNeedToReshowWhenReenabled || !mUpdateMonitor.isDeviceProvisioned(); 877 } 878 879 /** 880 * Enable the keyguard if the settings are appropriate. 881 */ 882 private void doKeyguardLocked(Bundle options) { 883 // if another app is disabling us, don't show 884 if (!mExternallyEnabled) { 885 if (DEBUG) Log.d(TAG, "doKeyguard: not showing because externally disabled"); 886 887 // note: we *should* set mNeedToReshowWhenReenabled=true here, but that makes 888 // for an occasional ugly flicker in this situation: 889 // 1) receive a call with the screen on (no keyguard) or make a call 890 // 2) screen times out 891 // 3) user hits key to turn screen back on 892 // instead, we reenable the keyguard when we know the screen is off and the call 893 // ends (see the broadcast receiver below) 894 // TODO: clean this up when we have better support at the window manager level 895 // for apps that wish to be on top of the keyguard 896 return; 897 } 898 899 // if the keyguard is already showing, don't bother 900 if (mKeyguardViewManager.isShowing()) { 901 if (DEBUG) Log.d(TAG, "doKeyguard: not showing because it is already showing"); 902 return; 903 } 904 905 // if the setup wizard hasn't run yet, don't show 906 final boolean requireSim = !SystemProperties.getBoolean("keyguard.no_require_sim", 907 false); 908 final boolean provisioned = mUpdateMonitor.isDeviceProvisioned(); 909 final IccCardConstants.State state = mUpdateMonitor.getSimState(); 910 final boolean lockedOrMissing = state.isPinLocked() 911 || ((state == IccCardConstants.State.ABSENT 912 || state == IccCardConstants.State.PERM_DISABLED) 913 && requireSim); 914 915 if (!lockedOrMissing && !provisioned) { 916 if (DEBUG) Log.d(TAG, "doKeyguard: not showing because device isn't provisioned" 917 + " and the sim is not locked or missing"); 918 return; 919 } 920 921 if (mUserManager.getUsers(true).size() < 2 922 && mLockPatternUtils.isLockScreenDisabled() && !lockedOrMissing) { 923 if (DEBUG) Log.d(TAG, "doKeyguard: not showing because lockscreen is off"); 924 return; 925 } 926 927 if (DEBUG) Log.d(TAG, "doKeyguard: showing the lock screen"); 928 showLocked(options); 929 } 930 931 /** 932 * Dismiss the keyguard through the security layers. 933 */ 934 public void handleDismiss() { 935 if (mShowing && !mHidden) { 936 mKeyguardViewManager.dismiss(); 937 } 938 } 939 940 public void dismiss() { 941 mHandler.sendEmptyMessage(DISMISS); 942 } 943 944 /** 945 * Send message to keyguard telling it to reset its state. 946 * @param options options about how to show the keyguard 947 * @see #handleReset() 948 */ 949 private void resetStateLocked(Bundle options) { 950 if (DEBUG) Log.e(TAG, "resetStateLocked"); 951 Message msg = mHandler.obtainMessage(RESET, options); 952 mHandler.sendMessage(msg); 953 } 954 955 /** 956 * Send message to keyguard telling it to verify unlock 957 * @see #handleVerifyUnlock() 958 */ 959 private void verifyUnlockLocked() { 960 if (DEBUG) Log.d(TAG, "verifyUnlockLocked"); 961 mHandler.sendEmptyMessage(VERIFY_UNLOCK); 962 } 963 964 965 /** 966 * Send a message to keyguard telling it the screen just turned on. 967 * @see #onScreenTurnedOff(int) 968 * @see #handleNotifyScreenOff 969 */ 970 private void notifyScreenOffLocked() { 971 if (DEBUG) Log.d(TAG, "notifyScreenOffLocked"); 972 mHandler.sendEmptyMessage(NOTIFY_SCREEN_OFF); 973 } 974 975 /** 976 * Send a message to keyguard telling it the screen just turned on. 977 * @see #onScreenTurnedOn() 978 * @see #handleNotifyScreenOn 979 */ 980 private void notifyScreenOnLocked(IKeyguardShowCallback result) { 981 if (DEBUG) Log.d(TAG, "notifyScreenOnLocked"); 982 Message msg = mHandler.obtainMessage(NOTIFY_SCREEN_ON, result); 983 mHandler.sendMessage(msg); 984 } 985 986 /** 987 * Send message to keyguard telling it to show itself 988 * @see #handleShow() 989 */ 990 private void showLocked(Bundle options) { 991 if (DEBUG) Log.d(TAG, "showLocked"); 992 // ensure we stay awake until we are finished displaying the keyguard 993 mShowKeyguardWakeLock.acquire(); 994 Message msg = mHandler.obtainMessage(SHOW, options); 995 mHandler.sendMessage(msg); 996 } 997 998 /** 999 * Send message to keyguard telling it to hide itself 1000 * @see #handleHide() 1001 */ 1002 private void hideLocked() { 1003 if (DEBUG) Log.d(TAG, "hideLocked"); 1004 Message msg = mHandler.obtainMessage(HIDE); 1005 mHandler.sendMessage(msg); 1006 } 1007 1008 public boolean isSecure() { 1009 return mLockPatternUtils.isSecure() 1010 || KeyguardUpdateMonitor.getInstance(mContext).isSimPinSecure(); 1011 } 1012 1013 /** 1014 * Update the newUserId. Call while holding WindowManagerService lock. 1015 * NOTE: Should only be called by KeyguardViewMediator in response to the user id changing. 1016 * 1017 * @param newUserId The id of the incoming user. 1018 */ 1019 public void setCurrentUser(int newUserId) { 1020 mLockPatternUtils.setCurrentUser(newUserId); 1021 } 1022 1023 private final BroadcastReceiver mBroadcastReceiver = new BroadcastReceiver() { 1024 @Override 1025 public void onReceive(Context context, Intent intent) { 1026 if (DELAYED_KEYGUARD_ACTION.equals(intent.getAction())) { 1027 final int sequence = intent.getIntExtra("seq", 0); 1028 if (DEBUG) Log.d(TAG, "received DELAYED_KEYGUARD_ACTION with seq = " 1029 + sequence + ", mDelayedShowingSequence = " + mDelayedShowingSequence); 1030 synchronized (KeyguardViewMediator.this) { 1031 if (mDelayedShowingSequence == sequence) { 1032 // Don't play lockscreen SFX if the screen went off due to timeout. 1033 mSuppressNextLockSound = true; 1034 doKeyguardLocked(null); 1035 } 1036 } 1037 } 1038 } 1039 }; 1040 1041 public void keyguardDone(boolean authenticated, boolean wakeup) { 1042 if (DEBUG) Log.d(TAG, "keyguardDone(" + authenticated + ")"); 1043 EventLog.writeEvent(70000, 2); 1044 synchronized (this) { 1045 mKeyguardDonePending = false; 1046 } 1047 Message msg = mHandler.obtainMessage(KEYGUARD_DONE, authenticated ? 1 : 0, wakeup ? 1 : 0); 1048 mHandler.sendMessage(msg); 1049 } 1050 1051 /** 1052 * This handler will be associated with the policy thread, which will also 1053 * be the UI thread of the keyguard. Since the apis of the policy, and therefore 1054 * this class, can be called by other threads, any action that directly 1055 * interacts with the keyguard ui should be posted to this handler, rather 1056 * than called directly. 1057 */ 1058 private Handler mHandler = new Handler(Looper.myLooper(), null, true /*async*/) { 1059 @Override 1060 public void handleMessage(Message msg) { 1061 switch (msg.what) { 1062 case SHOW: 1063 handleShow((Bundle) msg.obj); 1064 break; 1065 case HIDE: 1066 handleHide(); 1067 break; 1068 case RESET: 1069 handleReset((Bundle) msg.obj); 1070 break; 1071 case VERIFY_UNLOCK: 1072 handleVerifyUnlock(); 1073 break; 1074 case NOTIFY_SCREEN_OFF: 1075 handleNotifyScreenOff(); 1076 break; 1077 case NOTIFY_SCREEN_ON: 1078 handleNotifyScreenOn((IKeyguardShowCallback) msg.obj); 1079 break; 1080 case KEYGUARD_DONE: 1081 handleKeyguardDone(msg.arg1 != 0, msg.arg2 != 0); 1082 break; 1083 case KEYGUARD_DONE_DRAWING: 1084 handleKeyguardDoneDrawing(); 1085 break; 1086 case KEYGUARD_DONE_AUTHENTICATING: 1087 keyguardDone(true, true); 1088 break; 1089 case SET_HIDDEN: 1090 handleSetHidden(msg.arg1 != 0); 1091 break; 1092 case KEYGUARD_TIMEOUT: 1093 synchronized (KeyguardViewMediator.this) { 1094 doKeyguardLocked((Bundle) msg.obj); 1095 } 1096 break; 1097 case SHOW_ASSISTANT: 1098 handleShowAssistant(); 1099 break; 1100 case DISPATCH_EVENT: 1101 handleDispatchEvent((MotionEvent) msg.obj); 1102 break; 1103 case LAUNCH_CAMERA: 1104 handleLaunchCamera(); 1105 break; 1106 case DISMISS: 1107 handleDismiss(); 1108 break; 1109 } 1110 } 1111 }; 1112 1113 /** 1114 * @see #keyguardDone 1115 * @see #KEYGUARD_DONE 1116 */ 1117 private void handleKeyguardDone(boolean authenticated, boolean wakeup) { 1118 if (DEBUG) Log.d(TAG, "handleKeyguardDone"); 1119 1120 if (authenticated) { 1121 mUpdateMonitor.clearFailedUnlockAttempts(); 1122 } 1123 1124 if (mExitSecureCallback != null) { 1125 try { 1126 mExitSecureCallback.onKeyguardExitResult(authenticated); 1127 } catch (RemoteException e) { 1128 Slog.w(TAG, "Failed to call onKeyguardExitResult(" + authenticated + ")", e); 1129 } 1130 1131 mExitSecureCallback = null; 1132 1133 if (authenticated) { 1134 // after succesfully exiting securely, no need to reshow 1135 // the keyguard when they've released the lock 1136 mExternallyEnabled = true; 1137 mNeedToReshowWhenReenabled = false; 1138 } 1139 } 1140 1141 handleHide(); 1142 sendUserPresentBroadcast(); 1143 } 1144 1145 protected void handleLaunchCamera() { 1146 mKeyguardViewManager.launchCamera(); 1147 } 1148 1149 protected void handleDispatchEvent(MotionEvent event) { 1150 mKeyguardViewManager.dispatch(event); 1151 } 1152 1153 private void sendUserPresentBroadcast() { 1154 final UserHandle currentUser = new UserHandle(mLockPatternUtils.getCurrentUser()); 1155 mContext.sendBroadcastAsUser(USER_PRESENT_INTENT, currentUser); 1156 } 1157 1158 /** 1159 * @see #keyguardDoneDrawing 1160 * @see #KEYGUARD_DONE_DRAWING 1161 */ 1162 private void handleKeyguardDoneDrawing() { 1163 synchronized(this) { 1164 if (DEBUG) Log.d(TAG, "handleKeyguardDoneDrawing"); 1165 if (mWaitingUntilKeyguardVisible) { 1166 if (DEBUG) Log.d(TAG, "handleKeyguardDoneDrawing: notifying mWaitingUntilKeyguardVisible"); 1167 mWaitingUntilKeyguardVisible = false; 1168 notifyAll(); 1169 1170 // there will usually be two of these sent, one as a timeout, and one 1171 // as a result of the callback, so remove any remaining messages from 1172 // the queue 1173 mHandler.removeMessages(KEYGUARD_DONE_DRAWING); 1174 } 1175 } 1176 } 1177 1178 private void playSounds(boolean locked) { 1179 // User feedback for keyguard. 1180 1181 if (mSuppressNextLockSound) { 1182 mSuppressNextLockSound = false; 1183 return; 1184 } 1185 1186 final ContentResolver cr = mContext.getContentResolver(); 1187 if (Settings.System.getInt(cr, Settings.System.LOCKSCREEN_SOUNDS_ENABLED, 1) == 1) { 1188 final int whichSound = locked 1189 ? mLockSoundId 1190 : mUnlockSoundId; 1191 mLockSounds.stop(mLockSoundStreamId); 1192 // Init mAudioManager 1193 if (mAudioManager == null) { 1194 mAudioManager = (AudioManager) mContext.getSystemService(Context.AUDIO_SERVICE); 1195 if (mAudioManager == null) return; 1196 mMasterStreamType = mAudioManager.getMasterStreamType(); 1197 } 1198 // If the stream is muted, don't play the sound 1199 if (mAudioManager.isStreamMute(mMasterStreamType)) return; 1200 1201 mLockSoundStreamId = mLockSounds.play(whichSound, 1202 mLockSoundVolume, mLockSoundVolume, 1/*priortiy*/, 0/*loop*/, 1.0f/*rate*/); 1203 } 1204 } 1205 1206 private void updateActivityLockScreenState() { 1207 try { 1208 ActivityManagerNative.getDefault().setLockScreenShown(mShowing && !mHidden); 1209 } catch (RemoteException e) { 1210 } 1211 } 1212 1213 /** 1214 * Handle message sent by {@link #showLocked}. 1215 * @see #SHOW 1216 */ 1217 private void handleShow(Bundle options) { 1218 synchronized (KeyguardViewMediator.this) { 1219 if (!mSystemReady) { 1220 if (DEBUG) Log.d(TAG, "ignoring handleShow because system is not ready."); 1221 return; 1222 } else { 1223 if (DEBUG) Log.d(TAG, "handleShow"); 1224 } 1225 1226 mKeyguardViewManager.show(options); 1227 mShowing = true; 1228 mKeyguardDonePending = false; 1229 updateActivityLockScreenState(); 1230 adjustStatusBarLocked(); 1231 userActivity(); 1232 try { 1233 ActivityManagerNative.getDefault().closeSystemDialogs("lock"); 1234 } catch (RemoteException e) { 1235 } 1236 1237 // Do this at the end to not slow down display of the keyguard. 1238 playSounds(true); 1239 1240 mShowKeyguardWakeLock.release(); 1241 } 1242 mKeyguardDisplayManager.show(); 1243 } 1244 1245 /** 1246 * Handle message sent by {@link #hideLocked()} 1247 * @see #HIDE 1248 */ 1249 private void handleHide() { 1250 synchronized (KeyguardViewMediator.this) { 1251 if (DEBUG) Log.d(TAG, "handleHide"); 1252 1253 // only play "unlock" noises if not on a call (since the incall UI 1254 // disables the keyguard) 1255 if (TelephonyManager.EXTRA_STATE_IDLE.equals(mPhoneState)) { 1256 playSounds(false); 1257 } 1258 1259 mKeyguardViewManager.hide(); 1260 mShowing = false; 1261 mKeyguardDonePending = false; 1262 updateActivityLockScreenState(); 1263 adjustStatusBarLocked(); 1264 } 1265 } 1266 1267 private void adjustStatusBarLocked() { 1268 if (mStatusBarManager == null) { 1269 mStatusBarManager = (StatusBarManager) 1270 mContext.getSystemService(Context.STATUS_BAR_SERVICE); 1271 } 1272 if (mStatusBarManager == null) { 1273 Log.w(TAG, "Could not get status bar manager"); 1274 } else { 1275 // Disable aspects of the system/status/navigation bars that must not be re-enabled by 1276 // windows that appear on top, ever 1277 int flags = StatusBarManager.DISABLE_NONE; 1278 if (mShowing) { 1279 // Permanently disable components not available when keyguard is enabled 1280 // (like recents). Temporary enable/disable (e.g. the "back" button) are 1281 // done in KeyguardHostView. 1282 flags |= StatusBarManager.DISABLE_RECENT; 1283 if (isSecure() || !ENABLE_INSECURE_STATUS_BAR_EXPAND) { 1284 // showing secure lockscreen; disable expanding. 1285 flags |= StatusBarManager.DISABLE_EXPAND; 1286 } 1287 if (isSecure()) { 1288 // showing secure lockscreen; disable ticker. 1289 flags |= StatusBarManager.DISABLE_NOTIFICATION_TICKER; 1290 } 1291 if (!isAssistantAvailable()) { 1292 flags |= StatusBarManager.DISABLE_SEARCH; 1293 } 1294 } 1295 1296 if (DEBUG) { 1297 Log.d(TAG, "adjustStatusBarLocked: mShowing=" + mShowing + " mHidden=" + mHidden 1298 + " isSecure=" + isSecure() + " --> flags=0x" + Integer.toHexString(flags)); 1299 } 1300 1301 if (!(mContext instanceof Activity)) { 1302 mStatusBarManager.disable(flags); 1303 } 1304 } 1305 } 1306 1307 /** 1308 * Handle message sent by {@link #resetStateLocked(Bundle)} 1309 * @see #RESET 1310 */ 1311 private void handleReset(Bundle options) { 1312 if (options == null) { 1313 options = new Bundle(); 1314 } 1315 options.putBoolean(KeyguardViewManager.IS_SWITCHING_USER, mSwitchingUser); 1316 synchronized (KeyguardViewMediator.this) { 1317 if (DEBUG) Log.d(TAG, "handleReset"); 1318 mKeyguardViewManager.reset(options); 1319 } 1320 } 1321 1322 /** 1323 * Handle message sent by {@link #verifyUnlock} 1324 * @see #VERIFY_UNLOCK 1325 */ 1326 private void handleVerifyUnlock() { 1327 synchronized (KeyguardViewMediator.this) { 1328 if (DEBUG) Log.d(TAG, "handleVerifyUnlock"); 1329 mKeyguardViewManager.verifyUnlock(); 1330 mShowing = true; 1331 updateActivityLockScreenState(); 1332 } 1333 } 1334 1335 /** 1336 * Handle message sent by {@link #notifyScreenOffLocked()} 1337 * @see #NOTIFY_SCREEN_OFF 1338 */ 1339 private void handleNotifyScreenOff() { 1340 synchronized (KeyguardViewMediator.this) { 1341 if (DEBUG) Log.d(TAG, "handleNotifyScreenOff"); 1342 mKeyguardViewManager.onScreenTurnedOff(); 1343 } 1344 } 1345 1346 /** 1347 * Handle message sent by {@link #notifyScreenOnLocked()} 1348 * @see #NOTIFY_SCREEN_ON 1349 */ 1350 private void handleNotifyScreenOn(IKeyguardShowCallback callback) { 1351 synchronized (KeyguardViewMediator.this) { 1352 if (DEBUG) Log.d(TAG, "handleNotifyScreenOn"); 1353 mKeyguardViewManager.onScreenTurnedOn(callback); 1354 } 1355 } 1356 1357 public boolean isDismissable() { 1358 return mKeyguardDonePending || !isSecure(); 1359 } 1360 1361 public void showAssistant() { 1362 Message msg = mHandler.obtainMessage(SHOW_ASSISTANT); 1363 mHandler.sendMessage(msg); 1364 } 1365 1366 public void handleShowAssistant() { 1367 mKeyguardViewManager.showAssistant(); 1368 } 1369 1370 private boolean isAssistantAvailable() { 1371 return mSearchManager != null 1372 && mSearchManager.getAssistIntent(mContext, false, UserHandle.USER_CURRENT) != null; 1373 } 1374 1375 public static MultiUserAvatarCache getAvatarCache() { 1376 return sMultiUserAvatarCache; 1377 } 1378 1379 public void dispatch(MotionEvent event) { 1380 Message msg = mHandler.obtainMessage(DISPATCH_EVENT, event); 1381 mHandler.sendMessage(msg); 1382 } 1383 1384 public void launchCamera() { 1385 Message msg = mHandler.obtainMessage(LAUNCH_CAMERA); 1386 mHandler.sendMessage(msg); 1387 } 1388 1389 public void onBootCompleted() { 1390 mUpdateMonitor.dispatchBootCompleted(); 1391 } 1392 } 1393
