1 /* 2 * Copyright (C) 2014 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.systemui.keyguard; 18 19 import android.app.Activity; 20 import android.app.ActivityManager; 21 import android.app.ActivityManagerNative; 22 import android.app.AlarmManager; 23 import android.app.PendingIntent; 24 import android.app.SearchManager; 25 import android.app.StatusBarManager; 26 import android.content.BroadcastReceiver; 27 import android.content.ContentResolver; 28 import android.content.Context; 29 import android.content.Intent; 30 import android.content.IntentFilter; 31 import android.content.pm.UserInfo; 32 import android.media.AudioManager; 33 import android.media.SoundPool; 34 import android.os.Bundle; 35 import android.os.Handler; 36 import android.os.Looper; 37 import android.os.Message; 38 import android.os.PowerManager; 39 import android.os.RemoteException; 40 import android.os.SystemClock; 41 import android.os.SystemProperties; 42 import android.os.UserHandle; 43 import android.os.UserManager; 44 import android.provider.Settings; 45 import android.telephony.TelephonyManager; 46 import android.util.EventLog; 47 import android.util.Log; 48 import android.util.Slog; 49 import android.view.IWindowManager; 50 import android.view.ViewGroup; 51 import android.view.WindowManagerGlobal; 52 import android.view.WindowManagerPolicy; 53 import android.view.animation.Animation; 54 import android.view.animation.AnimationUtils; 55 import com.android.internal.policy.IKeyguardExitCallback; 56 import com.android.internal.policy.IKeyguardShowCallback; 57 import com.android.internal.telephony.IccCardConstants; 58 import com.android.internal.widget.LockPatternUtils; 59 import com.android.keyguard.KeyguardDisplayManager; 60 import com.android.keyguard.KeyguardUpdateMonitor; 61 import com.android.keyguard.KeyguardUpdateMonitorCallback; 62 import com.android.keyguard.MultiUserAvatarCache; 63 import com.android.keyguard.ViewMediatorCallback; 64 import com.android.systemui.SystemUI; 65 import com.android.systemui.statusbar.phone.PhoneStatusBar; 66 import com.android.systemui.statusbar.phone.ScrimController; 67 import com.android.systemui.statusbar.phone.StatusBarKeyguardViewManager; 68 import com.android.systemui.statusbar.phone.StatusBarWindowManager; 69 70 import static android.provider.Settings.System.SCREEN_OFF_TIMEOUT; 71 72 73 /** 74 * Mediates requests related to the keyguard. This includes queries about the 75 * state of the keyguard, power management events that effect whether the keyguard 76 * should be shown or reset, callbacks to the phone window manager to notify 77 * it of when the keyguard is showing, and events from the keyguard view itself 78 * stating that the keyguard was succesfully unlocked. 79 * 80 * Note that the keyguard view is shown when the screen is off (as appropriate) 81 * so that once the screen comes on, it will be ready immediately. 82 * 83 * Example queries about the keyguard: 84 * - is {movement, key} one that should wake the keygaurd? 85 * - is the keyguard showing? 86 * - are input events restricted due to the state of the keyguard? 87 * 88 * Callbacks to the phone window manager: 89 * - the keyguard is showing 90 * 91 * Example external events that translate to keyguard view changes: 92 * - screen turned off -> reset the keyguard, and show it so it will be ready 93 * next time the screen turns on 94 * - keyboard is slid open -> if the keyguard is not secure, hide it 95 * 96 * Events from the keyguard view: 97 * - user succesfully unlocked keyguard -> hide keyguard view, and no longer 98 * restrict input events. 99 * 100 * Note: in addition to normal power managment events that effect the state of 101 * whether the keyguard should be showing, external apps and services may request 102 * that the keyguard be disabled via {@link #setKeyguardEnabled(boolean)}. When 103 * false, this will override all other conditions for turning on the keyguard. 104 * 105 * Threading and synchronization: 106 * This class is created by the initialization routine of the {@link android.view.WindowManagerPolicy}, 107 * and runs on its thread. The keyguard UI is created from that thread in the 108 * constructor of this class. The apis may be called from other threads, including the 109 * {@link com.android.server.input.InputManagerService}'s and {@link android.view.WindowManager}'s. 110 * Therefore, methods on this class are synchronized, and any action that is pointed 111 * directly to the keyguard UI is posted to a {@link android.os.Handler} to ensure it is taken on the UI 112 * thread of the keyguard. 113 */ 114 public class KeyguardViewMediator extends SystemUI { 115 private static final int KEYGUARD_DISPLAY_TIMEOUT_DELAY_DEFAULT = 30000; 116 final static boolean DEBUG = false; 117 private final static boolean DBG_WAKE = false; 118 119 private final static String TAG = "KeyguardViewMediator"; 120 121 private static final String DELAYED_KEYGUARD_ACTION = 122 "com.android.internal.policy.impl.PhoneWindowManager.DELAYED_KEYGUARD"; 123 124 // used for handler messages 125 private static final int SHOW = 2; 126 private static final int HIDE = 3; 127 private static final int RESET = 4; 128 private static final int VERIFY_UNLOCK = 5; 129 private static final int NOTIFY_SCREEN_OFF = 6; 130 private static final int NOTIFY_SCREEN_ON = 7; 131 private static final int KEYGUARD_DONE = 9; 132 private static final int KEYGUARD_DONE_DRAWING = 10; 133 private static final int KEYGUARD_DONE_AUTHENTICATING = 11; 134 private static final int SET_OCCLUDED = 12; 135 private static final int KEYGUARD_TIMEOUT = 13; 136 private static final int DISMISS = 17; 137 private static final int START_KEYGUARD_EXIT_ANIM = 18; 138 private static final int ON_ACTIVITY_DRAWN = 19; 139 140 /** 141 * The default amount of time we stay awake (used for all key input) 142 */ 143 public static final int AWAKE_INTERVAL_DEFAULT_MS = 10000; 144 145 /** 146 * How long to wait after the screen turns off due to timeout before 147 * turning on the keyguard (i.e, the user has this much time to turn 148 * the screen back on without having to face the keyguard). 149 */ 150 private static final int KEYGUARD_LOCK_AFTER_DELAY_DEFAULT = 5000; 151 152 /** 153 * How long we'll wait for the {@link ViewMediatorCallback#keyguardDoneDrawing()} 154 * callback before unblocking a call to {@link #setKeyguardEnabled(boolean)} 155 * that is reenabling the keyguard. 156 */ 157 private static final int KEYGUARD_DONE_DRAWING_TIMEOUT_MS = 2000; 158 159 /** 160 * Secure setting whether analytics are collected on the keyguard. 161 */ 162 private static final String KEYGUARD_ANALYTICS_SETTING = "keyguard_analytics"; 163 164 /** The stream type that the lock sounds are tied to. */ 165 private int mMasterStreamType; 166 167 private AlarmManager mAlarmManager; 168 private AudioManager mAudioManager; 169 private StatusBarManager mStatusBarManager; 170 private boolean mSwitchingUser; 171 172 private boolean mSystemReady; 173 private boolean mBootCompleted; 174 private boolean mBootSendUserPresent; 175 176 // Whether the next call to playSounds() should be skipped. Defaults to 177 // true because the first lock (on boot) should be silent. 178 private boolean mSuppressNextLockSound = true; 179 180 181 /** High level access to the power manager for WakeLocks */ 182 private PowerManager mPM; 183 184 /** High level access to the window manager for dismissing keyguard animation */ 185 private IWindowManager mWM; 186 187 /** UserManager for querying number of users */ 188 private UserManager mUserManager; 189 190 /** SearchManager for determining whether or not search assistant is available */ 191 private SearchManager mSearchManager; 192 193 /** 194 * Used to keep the device awake while to ensure the keyguard finishes opening before 195 * we sleep. 196 */ 197 private PowerManager.WakeLock mShowKeyguardWakeLock; 198 199 private StatusBarKeyguardViewManager mStatusBarKeyguardViewManager; 200 201 // these are protected by synchronized (this) 202 203 /** 204 * External apps (like the phone app) can tell us to disable the keygaurd. 205 */ 206 private boolean mExternallyEnabled = true; 207 208 /** 209 * Remember if an external call to {@link #setKeyguardEnabled} with value 210 * false caused us to hide the keyguard, so that we need to reshow it once 211 * the keygaurd is reenabled with another call with value true. 212 */ 213 private boolean mNeedToReshowWhenReenabled = false; 214 215 // cached value of whether we are showing (need to know this to quickly 216 // answer whether the input should be restricted) 217 private boolean mShowing; 218 219 // true if the keyguard is hidden by another window 220 private boolean mOccluded = false; 221 222 /** 223 * Helps remember whether the screen has turned on since the last time 224 * it turned off due to timeout. see {@link #onScreenTurnedOff(int)} 225 */ 226 private int mDelayedShowingSequence; 227 228 /** 229 * If the user has disabled the keyguard, then requests to exit, this is 230 * how we'll ultimately let them know whether it was successful. We use this 231 * var being non-null as an indicator that there is an in progress request. 232 */ 233 private IKeyguardExitCallback mExitSecureCallback; 234 235 // the properties of the keyguard 236 237 private KeyguardUpdateMonitor mUpdateMonitor; 238 239 private boolean mScreenOn; 240 241 // last known state of the cellular connection 242 private String mPhoneState = TelephonyManager.EXTRA_STATE_IDLE; 243 244 /** 245 * Whether a hide is pending an we are just waiting for #startKeyguardExitAnimation to be 246 * called. 247 * */ 248 private boolean mHiding; 249 250 /** 251 * we send this intent when the keyguard is dismissed. 252 */ 253 private static final Intent USER_PRESENT_INTENT = new Intent(Intent.ACTION_USER_PRESENT) 254 .addFlags(Intent.FLAG_RECEIVER_REPLACE_PENDING 255 | Intent.FLAG_RECEIVER_REGISTERED_ONLY_BEFORE_BOOT); 256 257 /** 258 * {@link #setKeyguardEnabled} waits on this condition when it reenables 259 * the keyguard. 260 */ 261 private boolean mWaitingUntilKeyguardVisible = false; 262 private LockPatternUtils mLockPatternUtils; 263 private boolean mKeyguardDonePending = false; 264 private boolean mHideAnimationRun = false; 265 266 private SoundPool mLockSounds; 267 private int mLockSoundId; 268 private int mUnlockSoundId; 269 private int mTrustedSoundId; 270 private int mLockSoundStreamId; 271 272 /** 273 * The animation used for hiding keyguard. This is used to fetch the animation timings if 274 * WindowManager is not providing us with them. 275 */ 276 private Animation mHideAnimation; 277 278 /** 279 * The volume applied to the lock/unlock sounds. 280 */ 281 private float mLockSoundVolume; 282 283 /** 284 * For managing external displays 285 */ 286 private KeyguardDisplayManager mKeyguardDisplayManager; 287 288 KeyguardUpdateMonitorCallback mUpdateCallback = new KeyguardUpdateMonitorCallback() { 289 290 @Override 291 public void onUserSwitching(int userId) { 292 // Note that the mLockPatternUtils user has already been updated from setCurrentUser. 293 // We need to force a reset of the views, since lockNow (called by 294 // ActivityManagerService) will not reconstruct the keyguard if it is already showing. 295 synchronized (KeyguardViewMediator.this) { 296 mSwitchingUser = true; 297 mKeyguardDonePending = false; 298 resetStateLocked(); 299 adjustStatusBarLocked(); 300 // When we switch users we want to bring the new user to the biometric unlock even 301 // if the current user has gone to the backup. 302 KeyguardUpdateMonitor.getInstance(mContext).setAlternateUnlockEnabled(true); 303 } 304 } 305 306 @Override 307 public void onUserSwitchComplete(int userId) { 308 mSwitchingUser = false; 309 if (userId != UserHandle.USER_OWNER) { 310 UserInfo info = UserManager.get(mContext).getUserInfo(userId); 311 if (info != null && info.isGuest()) { 312 // If we just switched to a guest, try to dismiss keyguard. 313 dismiss(); 314 } 315 } 316 } 317 318 @Override 319 public void onUserRemoved(int userId) { 320 mLockPatternUtils.removeUser(userId); 321 MultiUserAvatarCache.getInstance().clear(userId); 322 } 323 324 @Override 325 public void onUserInfoChanged(int userId) { 326 MultiUserAvatarCache.getInstance().clear(userId); 327 } 328 329 @Override 330 public void onPhoneStateChanged(int phoneState) { 331 synchronized (KeyguardViewMediator.this) { 332 if (TelephonyManager.CALL_STATE_IDLE == phoneState // call ending 333 && !mScreenOn // screen off 334 && mExternallyEnabled) { // not disabled by any app 335 336 // note: this is a way to gracefully reenable the keyguard when the call 337 // ends and the screen is off without always reenabling the keyguard 338 // each time the screen turns off while in call (and having an occasional ugly 339 // flicker while turning back on the screen and disabling the keyguard again). 340 if (DEBUG) Log.d(TAG, "screen is off and call ended, let's make sure the " 341 + "keyguard is showing"); 342 doKeyguardLocked(null); 343 } 344 } 345 } 346 347 @Override 348 public void onClockVisibilityChanged() { 349 adjustStatusBarLocked(); 350 } 351 352 @Override 353 public void onDeviceProvisioned() { 354 sendUserPresentBroadcast(); 355 } 356 357 @Override 358 public void onSimStateChanged(IccCardConstants.State simState) { 359 if (DEBUG) Log.d(TAG, "onSimStateChanged: " + simState); 360 361 switch (simState) { 362 case NOT_READY: 363 case ABSENT: 364 // only force lock screen in case of missing sim if user hasn't 365 // gone through setup wizard 366 synchronized (this) { 367 if (!mUpdateMonitor.isDeviceProvisioned()) { 368 if (!isShowing()) { 369 if (DEBUG) Log.d(TAG, "ICC_ABSENT isn't showing," 370 + " we need to show the keyguard since the " 371 + "device isn't provisioned yet."); 372 doKeyguardLocked(null); 373 } else { 374 resetStateLocked(); 375 } 376 } 377 } 378 break; 379 case PIN_REQUIRED: 380 case PUK_REQUIRED: 381 synchronized (this) { 382 if (!isShowing()) { 383 if (DEBUG) Log.d(TAG, "INTENT_VALUE_ICC_LOCKED and keygaurd isn't " 384 + "showing; need to show keyguard so user can enter sim pin"); 385 doKeyguardLocked(null); 386 } else { 387 resetStateLocked(); 388 } 389 } 390 break; 391 case PERM_DISABLED: 392 synchronized (this) { 393 if (!isShowing()) { 394 if (DEBUG) Log.d(TAG, "PERM_DISABLED and " 395 + "keygaurd isn't showing."); 396 doKeyguardLocked(null); 397 } else { 398 if (DEBUG) Log.d(TAG, "PERM_DISABLED, resetStateLocked to" 399 + "show permanently disabled message in lockscreen."); 400 resetStateLocked(); 401 } 402 } 403 break; 404 case READY: 405 synchronized (this) { 406 if (isShowing()) { 407 resetStateLocked(); 408 } 409 } 410 break; 411 } 412 } 413 414 public void onFingerprintRecognized(int userId) { 415 if (mStatusBarKeyguardViewManager.isBouncerShowing()) { 416 mViewMediatorCallback.keyguardDone(true); 417 } 418 }; 419 420 }; 421 422 ViewMediatorCallback mViewMediatorCallback = new ViewMediatorCallback() { 423 424 public void userActivity() { 425 KeyguardViewMediator.this.userActivity(); 426 } 427 428 public void keyguardDone(boolean authenticated) { 429 KeyguardViewMediator.this.keyguardDone(authenticated, true); 430 } 431 432 public void keyguardDoneDrawing() { 433 mHandler.sendEmptyMessage(KEYGUARD_DONE_DRAWING); 434 } 435 436 @Override 437 public void setNeedsInput(boolean needsInput) { 438 mStatusBarKeyguardViewManager.setNeedsInput(needsInput); 439 } 440 441 @Override 442 public void onUserActivityTimeoutChanged() { 443 mStatusBarKeyguardViewManager.updateUserActivityTimeout(); 444 } 445 446 @Override 447 public void keyguardDonePending() { 448 mKeyguardDonePending = true; 449 mHideAnimationRun = true; 450 mStatusBarKeyguardViewManager.startPreHideAnimation(null /* finishRunnable */); 451 } 452 453 @Override 454 public void keyguardGone() { 455 mKeyguardDisplayManager.hide(); 456 } 457 458 @Override 459 public void readyForKeyguardDone() { 460 if (mKeyguardDonePending) { 461 // Somebody has called keyguardDonePending before, which means that we are 462 // authenticated 463 KeyguardViewMediator.this.keyguardDone(true /* authenticated */, true /* wakeUp */); 464 } 465 } 466 467 @Override 468 public void playTrustedSound() { 469 KeyguardViewMediator.this.playTrustedSound(); 470 } 471 }; 472 473 public void userActivity() { 474 mPM.userActivity(SystemClock.uptimeMillis(), false); 475 } 476 477 private void setup() { 478 mPM = (PowerManager) mContext.getSystemService(Context.POWER_SERVICE); 479 mWM = WindowManagerGlobal.getWindowManagerService(); 480 mUserManager = (UserManager) mContext.getSystemService(Context.USER_SERVICE); 481 mShowKeyguardWakeLock = mPM.newWakeLock(PowerManager.PARTIAL_WAKE_LOCK, "show keyguard"); 482 mShowKeyguardWakeLock.setReferenceCounted(false); 483 484 mContext.registerReceiver(mBroadcastReceiver, new IntentFilter(DELAYED_KEYGUARD_ACTION)); 485 486 mKeyguardDisplayManager = new KeyguardDisplayManager(mContext); 487 488 mAlarmManager = (AlarmManager) mContext.getSystemService(Context.ALARM_SERVICE); 489 490 mUpdateMonitor = KeyguardUpdateMonitor.getInstance(mContext); 491 492 mLockPatternUtils = new LockPatternUtils(mContext); 493 mLockPatternUtils.setCurrentUser(ActivityManager.getCurrentUser()); 494 495 // Assume keyguard is showing (unless it's disabled) until we know for sure... 496 mShowing = (mUpdateMonitor.isDeviceProvisioned() || mLockPatternUtils.isSecure()) 497 && !mLockPatternUtils.isLockScreenDisabled(); 498 499 mStatusBarKeyguardViewManager = new StatusBarKeyguardViewManager(mContext, 500 mViewMediatorCallback, mLockPatternUtils); 501 final ContentResolver cr = mContext.getContentResolver(); 502 503 mScreenOn = mPM.isScreenOn(); 504 505 mLockSounds = new SoundPool(1, AudioManager.STREAM_SYSTEM, 0); 506 String soundPath = Settings.Global.getString(cr, Settings.Global.LOCK_SOUND); 507 if (soundPath != null) { 508 mLockSoundId = mLockSounds.load(soundPath, 1); 509 } 510 if (soundPath == null || mLockSoundId == 0) { 511 Log.w(TAG, "failed to load lock sound from " + soundPath); 512 } 513 soundPath = Settings.Global.getString(cr, Settings.Global.UNLOCK_SOUND); 514 if (soundPath != null) { 515 mUnlockSoundId = mLockSounds.load(soundPath, 1); 516 } 517 if (soundPath == null || mUnlockSoundId == 0) { 518 Log.w(TAG, "failed to load unlock sound from " + soundPath); 519 } 520 soundPath = Settings.Global.getString(cr, Settings.Global.TRUSTED_SOUND); 521 if (soundPath != null) { 522 mTrustedSoundId = mLockSounds.load(soundPath, 1); 523 } 524 if (soundPath == null || mTrustedSoundId == 0) { 525 Log.w(TAG, "failed to load trusted sound from " + soundPath); 526 } 527 528 int lockSoundDefaultAttenuation = mContext.getResources().getInteger( 529 com.android.internal.R.integer.config_lockSoundVolumeDb); 530 mLockSoundVolume = (float)Math.pow(10, (float)lockSoundDefaultAttenuation/20); 531 532 mHideAnimation = AnimationUtils.loadAnimation(mContext, 533 com.android.internal.R.anim.lock_screen_behind_enter); 534 } 535 536 @Override 537 public void start() { 538 setup(); 539 putComponent(KeyguardViewMediator.class, this); 540 } 541 542 /** 543 * Let us know that the system is ready after startup. 544 */ 545 public void onSystemReady() { 546 mSearchManager = (SearchManager) mContext.getSystemService(Context.SEARCH_SERVICE); 547 synchronized (this) { 548 if (DEBUG) Log.d(TAG, "onSystemReady"); 549 mSystemReady = true; 550 mUpdateMonitor.registerCallback(mUpdateCallback); 551 552 // Suppress biometric unlock right after boot until things have settled if it is the 553 // selected security method, otherwise unsuppress it. It must be unsuppressed if it is 554 // not the selected security method for the following reason: if the user starts 555 // without a screen lock selected, the biometric unlock would be suppressed the first 556 // time they try to use it. 557 // 558 // Note that the biometric unlock will still not show if it is not the selected method. 559 // Calling setAlternateUnlockEnabled(true) simply says don't suppress it if it is the 560 // selected method. 561 if (mLockPatternUtils.usingBiometricWeak() 562 && mLockPatternUtils.isBiometricWeakInstalled()) { 563 if (DEBUG) Log.d(TAG, "suppressing biometric unlock during boot"); 564 mUpdateMonitor.setAlternateUnlockEnabled(false); 565 } else { 566 mUpdateMonitor.setAlternateUnlockEnabled(true); 567 } 568 569 doKeyguardLocked(null); 570 } 571 // Most services aren't available until the system reaches the ready state, so we 572 // send it here when the device first boots. 573 maybeSendUserPresentBroadcast(); 574 } 575 576 /** 577 * Called to let us know the screen was turned off. 578 * @param why either {@link android.view.WindowManagerPolicy#OFF_BECAUSE_OF_USER} or 579 * {@link android.view.WindowManagerPolicy#OFF_BECAUSE_OF_TIMEOUT}. 580 */ 581 public void onScreenTurnedOff(int why) { 582 synchronized (this) { 583 mScreenOn = false; 584 if (DEBUG) Log.d(TAG, "onScreenTurnedOff(" + why + ")"); 585 586 mKeyguardDonePending = false; 587 mHideAnimationRun = false; 588 589 // Lock immediately based on setting if secure (user has a pin/pattern/password). 590 // This also "locks" the device when not secure to provide easy access to the 591 // camera while preventing unwanted input. 592 final boolean lockImmediately = 593 mLockPatternUtils.getPowerButtonInstantlyLocks() || !mLockPatternUtils.isSecure(); 594 595 notifyScreenOffLocked(); 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 resetStateLocked(); 610 } else if (why == WindowManagerPolicy.OFF_BECAUSE_OF_TIMEOUT 611 || (why == WindowManagerPolicy.OFF_BECAUSE_OF_USER && !lockImmediately)) { 612 doKeyguardLaterLocked(); 613 } else { 614 doKeyguardLocked(null); 615 } 616 } 617 KeyguardUpdateMonitor.getInstance(mContext).dispatchScreenTurndOff(why); 618 } 619 620 private void doKeyguardLaterLocked() { 621 // if the screen turned off because of timeout or the user hit the power button 622 // and we don't need to lock immediately, set an alarm 623 // to enable it a little bit later (i.e, give the user a chance 624 // to turn the screen back on within a certain window without 625 // having to unlock the screen) 626 final ContentResolver cr = mContext.getContentResolver(); 627 628 // From DisplaySettings 629 long displayTimeout = Settings.System.getInt(cr, SCREEN_OFF_TIMEOUT, 630 KEYGUARD_DISPLAY_TIMEOUT_DELAY_DEFAULT); 631 632 // From SecuritySettings 633 final long lockAfterTimeout = Settings.Secure.getInt(cr, 634 Settings.Secure.LOCK_SCREEN_LOCK_AFTER_TIMEOUT, 635 KEYGUARD_LOCK_AFTER_DELAY_DEFAULT); 636 637 // From DevicePolicyAdmin 638 final long policyTimeout = mLockPatternUtils.getDevicePolicyManager() 639 .getMaximumTimeToLock(null, mLockPatternUtils.getCurrentUser()); 640 641 long timeout; 642 if (policyTimeout > 0) { 643 // policy in effect. Make sure we don't go beyond policy limit. 644 displayTimeout = Math.max(displayTimeout, 0); // ignore negative values 645 timeout = Math.min(policyTimeout - displayTimeout, lockAfterTimeout); 646 } else { 647 timeout = lockAfterTimeout; 648 } 649 650 if (timeout <= 0) { 651 // Lock now 652 mSuppressNextLockSound = true; 653 doKeyguardLocked(null); 654 } else { 655 // Lock in the future 656 long when = SystemClock.elapsedRealtime() + timeout; 657 Intent intent = new Intent(DELAYED_KEYGUARD_ACTION); 658 intent.putExtra("seq", mDelayedShowingSequence); 659 PendingIntent sender = PendingIntent.getBroadcast(mContext, 660 0, intent, PendingIntent.FLAG_CANCEL_CURRENT); 661 mAlarmManager.set(AlarmManager.ELAPSED_REALTIME_WAKEUP, when, sender); 662 if (DEBUG) Log.d(TAG, "setting alarm to turn off keyguard, seq = " 663 + mDelayedShowingSequence); 664 } 665 } 666 667 private void cancelDoKeyguardLaterLocked() { 668 mDelayedShowingSequence++; 669 } 670 671 /** 672 * Let's us know the screen was turned on. 673 */ 674 public void onScreenTurnedOn(IKeyguardShowCallback callback) { 675 synchronized (this) { 676 mScreenOn = true; 677 cancelDoKeyguardLaterLocked(); 678 if (DEBUG) Log.d(TAG, "onScreenTurnedOn, seq = " + mDelayedShowingSequence); 679 if (callback != null) { 680 notifyScreenOnLocked(callback); 681 } 682 } 683 KeyguardUpdateMonitor.getInstance(mContext).dispatchScreenTurnedOn(); 684 maybeSendUserPresentBroadcast(); 685 } 686 687 private void maybeSendUserPresentBroadcast() { 688 if (mSystemReady && mLockPatternUtils.isLockScreenDisabled()) { 689 // Lock screen is disabled because the user has set the preference to "None". 690 // In this case, send out ACTION_USER_PRESENT here instead of in 691 // handleKeyguardDone() 692 sendUserPresentBroadcast(); 693 } 694 } 695 696 /** 697 * A dream started. We should lock after the usual screen-off lock timeout but only 698 * if there is a secure lock pattern. 699 */ 700 public void onDreamingStarted() { 701 synchronized (this) { 702 if (mScreenOn && mLockPatternUtils.isSecure()) { 703 doKeyguardLaterLocked(); 704 } 705 } 706 } 707 708 /** 709 * A dream stopped. 710 */ 711 public void onDreamingStopped() { 712 synchronized (this) { 713 if (mScreenOn) { 714 cancelDoKeyguardLaterLocked(); 715 } 716 } 717 } 718 719 /** 720 * Same semantics as {@link android.view.WindowManagerPolicy#enableKeyguard}; provide 721 * a way for external stuff to override normal keyguard behavior. For instance 722 * the phone app disables the keyguard when it receives incoming calls. 723 */ 724 public void setKeyguardEnabled(boolean enabled) { 725 synchronized (this) { 726 if (DEBUG) Log.d(TAG, "setKeyguardEnabled(" + enabled + ")"); 727 728 mExternallyEnabled = enabled; 729 730 if (!enabled && mShowing) { 731 if (mExitSecureCallback != null) { 732 if (DEBUG) Log.d(TAG, "in process of verifyUnlock request, ignoring"); 733 // we're in the process of handling a request to verify the user 734 // can get past the keyguard. ignore extraneous requests to disable / reenable 735 return; 736 } 737 738 // hiding keyguard that is showing, remember to reshow later 739 if (DEBUG) Log.d(TAG, "remembering to reshow, hiding keyguard, " 740 + "disabling status bar expansion"); 741 mNeedToReshowWhenReenabled = true; 742 hideLocked(); 743 } else if (enabled && mNeedToReshowWhenReenabled) { 744 // reenabled after previously hidden, reshow 745 if (DEBUG) Log.d(TAG, "previously hidden, reshowing, reenabling " 746 + "status bar expansion"); 747 mNeedToReshowWhenReenabled = false; 748 749 if (mExitSecureCallback != null) { 750 if (DEBUG) Log.d(TAG, "onKeyguardExitResult(false), resetting"); 751 try { 752 mExitSecureCallback.onKeyguardExitResult(false); 753 } catch (RemoteException e) { 754 Slog.w(TAG, "Failed to call onKeyguardExitResult(false)", e); 755 } 756 mExitSecureCallback = null; 757 resetStateLocked(); 758 } else { 759 showLocked(null); 760 761 // block until we know the keygaurd is done drawing (and post a message 762 // to unblock us after a timeout so we don't risk blocking too long 763 // and causing an ANR). 764 mWaitingUntilKeyguardVisible = true; 765 mHandler.sendEmptyMessageDelayed(KEYGUARD_DONE_DRAWING, KEYGUARD_DONE_DRAWING_TIMEOUT_MS); 766 if (DEBUG) Log.d(TAG, "waiting until mWaitingUntilKeyguardVisible is false"); 767 while (mWaitingUntilKeyguardVisible) { 768 try { 769 wait(); 770 } catch (InterruptedException e) { 771 Thread.currentThread().interrupt(); 772 } 773 } 774 if (DEBUG) Log.d(TAG, "done waiting for mWaitingUntilKeyguardVisible"); 775 } 776 } 777 } 778 } 779 780 /** 781 * @see android.app.KeyguardManager#exitKeyguardSecurely 782 */ 783 public void verifyUnlock(IKeyguardExitCallback callback) { 784 synchronized (this) { 785 if (DEBUG) Log.d(TAG, "verifyUnlock"); 786 if (!mUpdateMonitor.isDeviceProvisioned()) { 787 // don't allow this api when the device isn't provisioned 788 if (DEBUG) Log.d(TAG, "ignoring because device isn't provisioned"); 789 try { 790 callback.onKeyguardExitResult(false); 791 } catch (RemoteException e) { 792 Slog.w(TAG, "Failed to call onKeyguardExitResult(false)", e); 793 } 794 } else if (mExternallyEnabled) { 795 // this only applies when the user has externally disabled the 796 // keyguard. this is unexpected and means the user is not 797 // using the api properly. 798 Log.w(TAG, "verifyUnlock called when not externally disabled"); 799 try { 800 callback.onKeyguardExitResult(false); 801 } catch (RemoteException e) { 802 Slog.w(TAG, "Failed to call onKeyguardExitResult(false)", e); 803 } 804 } else if (mExitSecureCallback != null) { 805 // already in progress with someone else 806 try { 807 callback.onKeyguardExitResult(false); 808 } catch (RemoteException e) { 809 Slog.w(TAG, "Failed to call onKeyguardExitResult(false)", e); 810 } 811 } else { 812 mExitSecureCallback = callback; 813 verifyUnlockLocked(); 814 } 815 } 816 } 817 818 /** 819 * Is the keyguard currently showing? 820 */ 821 public boolean isShowing() { 822 return mShowing; 823 } 824 825 public boolean isOccluded() { 826 return mOccluded; 827 } 828 829 /** 830 * Is the keyguard currently showing and not being force hidden? 831 */ 832 public boolean isShowingAndNotOccluded() { 833 return mShowing && !mOccluded; 834 } 835 836 /** 837 * Notify us when the keyguard is occluded by another window 838 */ 839 public void setOccluded(boolean isOccluded) { 840 if (DEBUG) Log.d(TAG, "setOccluded " + isOccluded); 841 mHandler.removeMessages(SET_OCCLUDED); 842 Message msg = mHandler.obtainMessage(SET_OCCLUDED, (isOccluded ? 1 : 0), 0); 843 mHandler.sendMessage(msg); 844 } 845 846 /** 847 * Handles SET_OCCLUDED message sent by setOccluded() 848 */ 849 private void handleSetOccluded(boolean isOccluded) { 850 synchronized (KeyguardViewMediator.this) { 851 if (mOccluded != isOccluded) { 852 mOccluded = isOccluded; 853 mStatusBarKeyguardViewManager.setOccluded(isOccluded); 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 (mStatusBarKeyguardViewManager.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 (mLockPatternUtils.isLockScreenDisabled() && !lockedOrMissing) { 922 if (DEBUG) Log.d(TAG, "doKeyguard: not showing because lockscreen is off"); 923 return; 924 } 925 926 if (mLockPatternUtils.checkVoldPassword()) { 927 if (DEBUG) Log.d(TAG, "Not showing lock screen since just decrypted"); 928 // Without this, settings is not enabled until the lock screen first appears 929 mShowing = false; 930 hideLocked(); 931 return; 932 } 933 934 if (DEBUG) Log.d(TAG, "doKeyguard: showing the lock screen"); 935 showLocked(options); 936 } 937 938 /** 939 * Dismiss the keyguard through the security layers. 940 */ 941 public void handleDismiss() { 942 if (mShowing && !mOccluded) { 943 mStatusBarKeyguardViewManager.dismiss(); 944 } 945 } 946 947 public void dismiss() { 948 mHandler.sendEmptyMessage(DISMISS); 949 } 950 951 /** 952 * Send message to keyguard telling it to reset its state. 953 * @see #handleReset 954 */ 955 private void resetStateLocked() { 956 if (DEBUG) Log.e(TAG, "resetStateLocked"); 957 Message msg = mHandler.obtainMessage(RESET); 958 mHandler.sendMessage(msg); 959 } 960 961 /** 962 * Send message to keyguard telling it to verify unlock 963 * @see #handleVerifyUnlock() 964 */ 965 private void verifyUnlockLocked() { 966 if (DEBUG) Log.d(TAG, "verifyUnlockLocked"); 967 mHandler.sendEmptyMessage(VERIFY_UNLOCK); 968 } 969 970 971 /** 972 * Send a message to keyguard telling it the screen just turned on. 973 * @see #onScreenTurnedOff(int) 974 * @see #handleNotifyScreenOff 975 */ 976 private void notifyScreenOffLocked() { 977 if (DEBUG) Log.d(TAG, "notifyScreenOffLocked"); 978 mHandler.sendEmptyMessage(NOTIFY_SCREEN_OFF); 979 } 980 981 /** 982 * Send a message to keyguard telling it the screen just turned on. 983 * @see #onScreenTurnedOn 984 * @see #handleNotifyScreenOn 985 */ 986 private void notifyScreenOnLocked(IKeyguardShowCallback result) { 987 if (DEBUG) Log.d(TAG, "notifyScreenOnLocked"); 988 Message msg = mHandler.obtainMessage(NOTIFY_SCREEN_ON, result); 989 mHandler.sendMessage(msg); 990 } 991 992 /** 993 * Send message to keyguard telling it to show itself 994 * @see #handleShow 995 */ 996 private void showLocked(Bundle options) { 997 if (DEBUG) Log.d(TAG, "showLocked"); 998 // ensure we stay awake until we are finished displaying the keyguard 999 mShowKeyguardWakeLock.acquire(); 1000 Message msg = mHandler.obtainMessage(SHOW, options); 1001 mHandler.sendMessage(msg); 1002 } 1003 1004 /** 1005 * Send message to keyguard telling it to hide itself 1006 * @see #handleHide() 1007 */ 1008 private void hideLocked() { 1009 if (DEBUG) Log.d(TAG, "hideLocked"); 1010 Message msg = mHandler.obtainMessage(HIDE); 1011 mHandler.sendMessage(msg); 1012 } 1013 1014 public boolean isSecure() { 1015 return mLockPatternUtils.isSecure() 1016 || KeyguardUpdateMonitor.getInstance(mContext).isSimPinSecure(); 1017 } 1018 1019 /** 1020 * Update the newUserId. Call while holding WindowManagerService lock. 1021 * NOTE: Should only be called by KeyguardViewMediator in response to the user id changing. 1022 * 1023 * @param newUserId The id of the incoming user. 1024 */ 1025 public void setCurrentUser(int newUserId) { 1026 mLockPatternUtils.setCurrentUser(newUserId); 1027 } 1028 1029 private final BroadcastReceiver mBroadcastReceiver = new BroadcastReceiver() { 1030 @Override 1031 public void onReceive(Context context, Intent intent) { 1032 if (DELAYED_KEYGUARD_ACTION.equals(intent.getAction())) { 1033 final int sequence = intent.getIntExtra("seq", 0); 1034 if (DEBUG) Log.d(TAG, "received DELAYED_KEYGUARD_ACTION with seq = " 1035 + sequence + ", mDelayedShowingSequence = " + mDelayedShowingSequence); 1036 synchronized (KeyguardViewMediator.this) { 1037 if (mDelayedShowingSequence == sequence) { 1038 // Don't play lockscreen SFX if the screen went off due to timeout. 1039 mSuppressNextLockSound = true; 1040 doKeyguardLocked(null); 1041 } 1042 } 1043 } 1044 } 1045 }; 1046 1047 public void keyguardDone(boolean authenticated, boolean wakeup) { 1048 if (DEBUG) Log.d(TAG, "keyguardDone(" + authenticated + ")"); 1049 EventLog.writeEvent(70000, 2); 1050 synchronized (this) { 1051 mKeyguardDonePending = false; 1052 } 1053 Message msg = mHandler.obtainMessage(KEYGUARD_DONE, authenticated ? 1 : 0, wakeup ? 1 : 0); 1054 mHandler.sendMessage(msg); 1055 } 1056 1057 /** 1058 * This handler will be associated with the policy thread, which will also 1059 * be the UI thread of the keyguard. Since the apis of the policy, and therefore 1060 * this class, can be called by other threads, any action that directly 1061 * interacts with the keyguard ui should be posted to this handler, rather 1062 * than called directly. 1063 */ 1064 private Handler mHandler = new Handler(Looper.myLooper(), null, true /*async*/) { 1065 @Override 1066 public void handleMessage(Message msg) { 1067 switch (msg.what) { 1068 case SHOW: 1069 handleShow((Bundle) msg.obj); 1070 break; 1071 case HIDE: 1072 handleHide(); 1073 break; 1074 case RESET: 1075 handleReset(); 1076 break; 1077 case VERIFY_UNLOCK: 1078 handleVerifyUnlock(); 1079 break; 1080 case NOTIFY_SCREEN_OFF: 1081 handleNotifyScreenOff(); 1082 break; 1083 case NOTIFY_SCREEN_ON: 1084 handleNotifyScreenOn((IKeyguardShowCallback) msg.obj); 1085 break; 1086 case KEYGUARD_DONE: 1087 handleKeyguardDone(msg.arg1 != 0, msg.arg2 != 0); 1088 break; 1089 case KEYGUARD_DONE_DRAWING: 1090 handleKeyguardDoneDrawing(); 1091 break; 1092 case KEYGUARD_DONE_AUTHENTICATING: 1093 keyguardDone(true, true); 1094 break; 1095 case SET_OCCLUDED: 1096 handleSetOccluded(msg.arg1 != 0); 1097 break; 1098 case KEYGUARD_TIMEOUT: 1099 synchronized (KeyguardViewMediator.this) { 1100 doKeyguardLocked((Bundle) msg.obj); 1101 } 1102 break; 1103 case DISMISS: 1104 handleDismiss(); 1105 break; 1106 case START_KEYGUARD_EXIT_ANIM: 1107 StartKeyguardExitAnimParams params = (StartKeyguardExitAnimParams) msg.obj; 1108 handleStartKeyguardExitAnimation(params.startTime, params.fadeoutDuration); 1109 break; 1110 case ON_ACTIVITY_DRAWN: 1111 handleOnActivityDrawn(); 1112 break; 1113 } 1114 } 1115 }; 1116 1117 /** 1118 * @see #keyguardDone 1119 * @see #KEYGUARD_DONE 1120 */ 1121 private void handleKeyguardDone(boolean authenticated, boolean wakeup) { 1122 if (DEBUG) Log.d(TAG, "handleKeyguardDone"); 1123 1124 if (authenticated) { 1125 mUpdateMonitor.clearFailedUnlockAttempts(); 1126 } 1127 mUpdateMonitor.clearFingerprintRecognized(); 1128 1129 if (mExitSecureCallback != null) { 1130 try { 1131 mExitSecureCallback.onKeyguardExitResult(authenticated); 1132 } catch (RemoteException e) { 1133 Slog.w(TAG, "Failed to call onKeyguardExitResult(" + authenticated + ")", e); 1134 } 1135 1136 mExitSecureCallback = null; 1137 1138 if (authenticated) { 1139 // after succesfully exiting securely, no need to reshow 1140 // the keyguard when they've released the lock 1141 mExternallyEnabled = true; 1142 mNeedToReshowWhenReenabled = false; 1143 } 1144 } 1145 1146 handleHide(); 1147 } 1148 1149 private void sendUserPresentBroadcast() { 1150 synchronized (this) { 1151 if (mBootCompleted) { 1152 final UserHandle currentUser = new UserHandle(mLockPatternUtils.getCurrentUser()); 1153 mContext.sendBroadcastAsUser(USER_PRESENT_INTENT, currentUser); 1154 } else { 1155 mBootSendUserPresent = true; 1156 } 1157 } 1158 } 1159 1160 /** 1161 * @see #keyguardDone 1162 * @see #KEYGUARD_DONE_DRAWING 1163 */ 1164 private void handleKeyguardDoneDrawing() { 1165 synchronized(this) { 1166 if (DEBUG) Log.d(TAG, "handleKeyguardDoneDrawing"); 1167 if (mWaitingUntilKeyguardVisible) { 1168 if (DEBUG) Log.d(TAG, "handleKeyguardDoneDrawing: notifying mWaitingUntilKeyguardVisible"); 1169 mWaitingUntilKeyguardVisible = false; 1170 notifyAll(); 1171 1172 // there will usually be two of these sent, one as a timeout, and one 1173 // as a result of the callback, so remove any remaining messages from 1174 // the queue 1175 mHandler.removeMessages(KEYGUARD_DONE_DRAWING); 1176 } 1177 } 1178 } 1179 1180 private void playSounds(boolean locked) { 1181 // User feedback for keyguard. 1182 1183 if (mSuppressNextLockSound) { 1184 mSuppressNextLockSound = false; 1185 return; 1186 } 1187 1188 playSound(locked ? mLockSoundId : mUnlockSoundId); 1189 } 1190 1191 private void playSound(int soundId) { 1192 if (soundId == 0) return; 1193 final ContentResolver cr = mContext.getContentResolver(); 1194 if (Settings.System.getInt(cr, Settings.System.LOCKSCREEN_SOUNDS_ENABLED, 1) == 1) { 1195 1196 mLockSounds.stop(mLockSoundStreamId); 1197 // Init mAudioManager 1198 if (mAudioManager == null) { 1199 mAudioManager = (AudioManager) mContext.getSystemService(Context.AUDIO_SERVICE); 1200 if (mAudioManager == null) return; 1201 mMasterStreamType = mAudioManager.getMasterStreamType(); 1202 } 1203 // If the stream is muted, don't play the sound 1204 if (mAudioManager.isStreamMute(mMasterStreamType)) return; 1205 1206 mLockSoundStreamId = mLockSounds.play(soundId, 1207 mLockSoundVolume, mLockSoundVolume, 1/*priortiy*/, 0/*loop*/, 1.0f/*rate*/); 1208 } 1209 } 1210 1211 private void playTrustedSound() { 1212 if (mSuppressNextLockSound) { 1213 return; 1214 } 1215 playSound(mTrustedSoundId); 1216 } 1217 1218 private void updateActivityLockScreenState() { 1219 try { 1220 ActivityManagerNative.getDefault().setLockScreenShown(mShowing && !mOccluded); 1221 } catch (RemoteException e) { 1222 } 1223 } 1224 1225 /** 1226 * Handle message sent by {@link #showLocked}. 1227 * @see #SHOW 1228 */ 1229 private void handleShow(Bundle options) { 1230 synchronized (KeyguardViewMediator.this) { 1231 if (!mSystemReady) { 1232 if (DEBUG) Log.d(TAG, "ignoring handleShow because system is not ready."); 1233 return; 1234 } else { 1235 if (DEBUG) Log.d(TAG, "handleShow"); 1236 } 1237 1238 mStatusBarKeyguardViewManager.show(options); 1239 mHiding = false; 1240 mShowing = true; 1241 mKeyguardDonePending = false; 1242 mHideAnimationRun = false; 1243 updateActivityLockScreenState(); 1244 adjustStatusBarLocked(); 1245 userActivity(); 1246 1247 // Do this at the end to not slow down display of the keyguard. 1248 playSounds(true); 1249 1250 mShowKeyguardWakeLock.release(); 1251 } 1252 mKeyguardDisplayManager.show(); 1253 } 1254 1255 private final Runnable mKeyguardGoingAwayRunnable = new Runnable() { 1256 @Override 1257 public void run() { 1258 try { 1259 // Don't actually hide the Keyguard at the moment, wait for window 1260 // manager until it tells us it's safe to do so with 1261 // startKeyguardExitAnimation. 1262 mWM.keyguardGoingAway( 1263 mStatusBarKeyguardViewManager.shouldDisableWindowAnimationsForUnlock(), 1264 mStatusBarKeyguardViewManager.isGoingToNotificationShade()); 1265 } catch (RemoteException e) { 1266 Log.e(TAG, "Error while calling WindowManager", e); 1267 } 1268 } 1269 }; 1270 1271 /** 1272 * Handle message sent by {@link #hideLocked()} 1273 * @see #HIDE 1274 */ 1275 private void handleHide() { 1276 synchronized (KeyguardViewMediator.this) { 1277 if (DEBUG) Log.d(TAG, "handleHide"); 1278 1279 mHiding = true; 1280 if (mShowing && !mOccluded) { 1281 if (!mHideAnimationRun) { 1282 mStatusBarKeyguardViewManager.startPreHideAnimation(mKeyguardGoingAwayRunnable); 1283 } else { 1284 mKeyguardGoingAwayRunnable.run(); 1285 } 1286 } else { 1287 1288 // Don't try to rely on WindowManager - if Keyguard wasn't showing, window 1289 // manager won't start the exit animation. 1290 handleStartKeyguardExitAnimation( 1291 SystemClock.uptimeMillis() + mHideAnimation.getStartOffset(), 1292 mHideAnimation.getDuration()); 1293 } 1294 } 1295 } 1296 1297 private void handleOnActivityDrawn() { 1298 if (mKeyguardDonePending) { 1299 mStatusBarKeyguardViewManager.onActivityDrawn(); 1300 } 1301 } 1302 1303 private void handleStartKeyguardExitAnimation(long startTime, long fadeoutDuration) { 1304 synchronized (KeyguardViewMediator.this) { 1305 1306 if (!mHiding) { 1307 return; 1308 } 1309 mHiding = false; 1310 1311 // only play "unlock" noises if not on a call (since the incall UI 1312 // disables the keyguard) 1313 if (TelephonyManager.EXTRA_STATE_IDLE.equals(mPhoneState)) { 1314 playSounds(false); 1315 } 1316 1317 mStatusBarKeyguardViewManager.hide(startTime, fadeoutDuration); 1318 mShowing = false; 1319 mKeyguardDonePending = false; 1320 mHideAnimationRun = false; 1321 updateActivityLockScreenState(); 1322 adjustStatusBarLocked(); 1323 sendUserPresentBroadcast(); 1324 } 1325 } 1326 1327 private void adjustStatusBarLocked() { 1328 if (mStatusBarManager == null) { 1329 mStatusBarManager = (StatusBarManager) 1330 mContext.getSystemService(Context.STATUS_BAR_SERVICE); 1331 } 1332 if (mStatusBarManager == null) { 1333 Log.w(TAG, "Could not get status bar manager"); 1334 } else { 1335 // Disable aspects of the system/status/navigation bars that must not be re-enabled by 1336 // windows that appear on top, ever 1337 int flags = StatusBarManager.DISABLE_NONE; 1338 if (mShowing) { 1339 // Permanently disable components not available when keyguard is enabled 1340 // (like recents). Temporary enable/disable (e.g. the "back" button) are 1341 // done in KeyguardHostView. 1342 flags |= StatusBarManager.DISABLE_RECENT; 1343 flags |= StatusBarManager.DISABLE_SEARCH; 1344 } 1345 if (isShowingAndNotOccluded()) { 1346 flags |= StatusBarManager.DISABLE_HOME; 1347 } 1348 1349 if (DEBUG) { 1350 Log.d(TAG, "adjustStatusBarLocked: mShowing=" + mShowing + " mOccluded=" + mOccluded 1351 + " isSecure=" + isSecure() + " --> flags=0x" + Integer.toHexString(flags)); 1352 } 1353 1354 if (!(mContext instanceof Activity)) { 1355 mStatusBarManager.disable(flags); 1356 } 1357 } 1358 } 1359 1360 /** 1361 * Handle message sent by {@link #resetStateLocked} 1362 * @see #RESET 1363 */ 1364 private void handleReset() { 1365 synchronized (KeyguardViewMediator.this) { 1366 if (DEBUG) Log.d(TAG, "handleReset"); 1367 mStatusBarKeyguardViewManager.reset(); 1368 } 1369 } 1370 1371 /** 1372 * Handle message sent by {@link #verifyUnlock} 1373 * @see #VERIFY_UNLOCK 1374 */ 1375 private void handleVerifyUnlock() { 1376 synchronized (KeyguardViewMediator.this) { 1377 if (DEBUG) Log.d(TAG, "handleVerifyUnlock"); 1378 mStatusBarKeyguardViewManager.verifyUnlock(); 1379 mShowing = true; 1380 updateActivityLockScreenState(); 1381 } 1382 } 1383 1384 /** 1385 * Handle message sent by {@link #notifyScreenOffLocked()} 1386 * @see #NOTIFY_SCREEN_OFF 1387 */ 1388 private void handleNotifyScreenOff() { 1389 synchronized (KeyguardViewMediator.this) { 1390 if (DEBUG) Log.d(TAG, "handleNotifyScreenOff"); 1391 mStatusBarKeyguardViewManager.onScreenTurnedOff(); 1392 } 1393 } 1394 1395 /** 1396 * Handle message sent by {@link #notifyScreenOnLocked} 1397 * @see #NOTIFY_SCREEN_ON 1398 */ 1399 private void handleNotifyScreenOn(IKeyguardShowCallback callback) { 1400 synchronized (KeyguardViewMediator.this) { 1401 if (DEBUG) Log.d(TAG, "handleNotifyScreenOn"); 1402 mStatusBarKeyguardViewManager.onScreenTurnedOn(callback); 1403 } 1404 } 1405 1406 public boolean isDismissable() { 1407 return mKeyguardDonePending || !isSecure(); 1408 } 1409 1410 private boolean isAssistantAvailable() { 1411 return mSearchManager != null 1412 && mSearchManager.getAssistIntent(mContext, false, UserHandle.USER_CURRENT) != null; 1413 } 1414 1415 public void onBootCompleted() { 1416 mUpdateMonitor.dispatchBootCompleted(); 1417 synchronized (this) { 1418 mBootCompleted = true; 1419 if (mBootSendUserPresent) { 1420 sendUserPresentBroadcast(); 1421 } 1422 } 1423 } 1424 1425 public StatusBarKeyguardViewManager registerStatusBar(PhoneStatusBar phoneStatusBar, 1426 ViewGroup container, StatusBarWindowManager statusBarWindowManager, 1427 ScrimController scrimController) { 1428 mStatusBarKeyguardViewManager.registerStatusBar(phoneStatusBar, container, 1429 statusBarWindowManager, scrimController); 1430 return mStatusBarKeyguardViewManager; 1431 } 1432 1433 public void startKeyguardExitAnimation(long startTime, long fadeoutDuration) { 1434 Message msg = mHandler.obtainMessage(START_KEYGUARD_EXIT_ANIM, 1435 new StartKeyguardExitAnimParams(startTime, fadeoutDuration)); 1436 mHandler.sendMessage(msg); 1437 } 1438 1439 public void onActivityDrawn() { 1440 mHandler.sendEmptyMessage(ON_ACTIVITY_DRAWN); 1441 } 1442 public ViewMediatorCallback getViewMediatorCallback() { 1443 return mViewMediatorCallback; 1444 } 1445 1446 private static class StartKeyguardExitAnimParams { 1447 1448 long startTime; 1449 long fadeoutDuration; 1450 1451 private StartKeyguardExitAnimParams(long startTime, long fadeoutDuration) { 1452 this.startTime = startTime; 1453 this.fadeoutDuration = fadeoutDuration; 1454 } 1455 } 1456 } 1457