KeyguardViewMediator.java revision 44f60cca7bb31e2f9b4b7bf25bb2e0cfb0e3e1e1
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 17package com.android.systemui.keyguard; 18 19import android.app.Activity; 20import android.app.ActivityManager; 21import android.app.ActivityManagerNative; 22import android.app.AlarmManager; 23import android.app.PendingIntent; 24import android.app.SearchManager; 25import android.app.StatusBarManager; 26import android.content.BroadcastReceiver; 27import android.content.ContentResolver; 28import android.content.Context; 29import android.content.Intent; 30import android.content.IntentFilter; 31import android.content.pm.UserInfo; 32import android.media.AudioManager; 33import android.media.SoundPool; 34import android.os.Bundle; 35import android.os.Handler; 36import android.os.Looper; 37import android.os.Message; 38import android.os.PowerManager; 39import android.os.RemoteException; 40import android.os.SystemClock; 41import android.os.SystemProperties; 42import android.os.UserHandle; 43import android.os.UserManager; 44import android.provider.Settings; 45import android.telephony.TelephonyManager; 46import android.util.EventLog; 47import android.util.Log; 48import android.util.Slog; 49import android.view.IWindowManager; 50import android.view.ViewGroup; 51import android.view.WindowManagerGlobal; 52import android.view.WindowManagerPolicy; 53import android.view.animation.Animation; 54import android.view.animation.AnimationUtils; 55import com.android.internal.policy.IKeyguardExitCallback; 56import com.android.internal.policy.IKeyguardShowCallback; 57import com.android.internal.telephony.IccCardConstants; 58import com.android.internal.widget.LockPatternUtils; 59import com.android.keyguard.KeyguardDisplayManager; 60import com.android.keyguard.KeyguardUpdateMonitor; 61import com.android.keyguard.KeyguardUpdateMonitorCallback; 62import com.android.keyguard.MultiUserAvatarCache; 63import com.android.keyguard.ViewMediatorCallback; 64import com.android.systemui.SystemUI; 65import com.android.systemui.statusbar.phone.PhoneStatusBar; 66import com.android.systemui.statusbar.phone.ScrimController; 67import com.android.systemui.statusbar.phone.StatusBarKeyguardViewManager; 68import com.android.systemui.statusbar.phone.StatusBarWindowManager; 69 70import 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 */ 114public 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 (shouldWaitForProvisioning()) { 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 if (!mKeyguardDonePending) { 430 KeyguardViewMediator.this.keyguardDone(authenticated, true); 431 } 432 } 433 434 public void keyguardDoneDrawing() { 435 mHandler.sendEmptyMessage(KEYGUARD_DONE_DRAWING); 436 } 437 438 @Override 439 public void setNeedsInput(boolean needsInput) { 440 mStatusBarKeyguardViewManager.setNeedsInput(needsInput); 441 } 442 443 @Override 444 public void onUserActivityTimeoutChanged() { 445 mStatusBarKeyguardViewManager.updateUserActivityTimeout(); 446 } 447 448 @Override 449 public void keyguardDonePending() { 450 mKeyguardDonePending = true; 451 mHideAnimationRun = true; 452 mStatusBarKeyguardViewManager.startPreHideAnimation(null /* finishRunnable */); 453 } 454 455 @Override 456 public void keyguardGone() { 457 mKeyguardDisplayManager.hide(); 458 } 459 460 @Override 461 public void readyForKeyguardDone() { 462 if (mKeyguardDonePending) { 463 // Somebody has called keyguardDonePending before, which means that we are 464 // authenticated 465 KeyguardViewMediator.this.keyguardDone(true /* authenticated */, true /* wakeUp */); 466 } 467 } 468 469 @Override 470 public void playTrustedSound() { 471 KeyguardViewMediator.this.playTrustedSound(); 472 } 473 }; 474 475 public void userActivity() { 476 mPM.userActivity(SystemClock.uptimeMillis(), false); 477 } 478 479 private void setup() { 480 mPM = (PowerManager) mContext.getSystemService(Context.POWER_SERVICE); 481 mWM = WindowManagerGlobal.getWindowManagerService(); 482 mUserManager = (UserManager) mContext.getSystemService(Context.USER_SERVICE); 483 mShowKeyguardWakeLock = mPM.newWakeLock(PowerManager.PARTIAL_WAKE_LOCK, "show keyguard"); 484 mShowKeyguardWakeLock.setReferenceCounted(false); 485 486 mContext.registerReceiver(mBroadcastReceiver, new IntentFilter(DELAYED_KEYGUARD_ACTION)); 487 488 mKeyguardDisplayManager = new KeyguardDisplayManager(mContext); 489 490 mAlarmManager = (AlarmManager) mContext.getSystemService(Context.ALARM_SERVICE); 491 492 mUpdateMonitor = KeyguardUpdateMonitor.getInstance(mContext); 493 494 mLockPatternUtils = new LockPatternUtils(mContext); 495 mLockPatternUtils.setCurrentUser(ActivityManager.getCurrentUser()); 496 497 // Assume keyguard is showing (unless it's disabled) until we know for sure... 498 mShowing = !shouldWaitForProvisioning() && !mLockPatternUtils.isLockScreenDisabled(); 499 500 mStatusBarKeyguardViewManager = new StatusBarKeyguardViewManager(mContext, 501 mViewMediatorCallback, mLockPatternUtils); 502 final ContentResolver cr = mContext.getContentResolver(); 503 504 mScreenOn = mPM.isScreenOn(); 505 506 mLockSounds = new SoundPool(1, AudioManager.STREAM_SYSTEM, 0); 507 String soundPath = Settings.Global.getString(cr, Settings.Global.LOCK_SOUND); 508 if (soundPath != null) { 509 mLockSoundId = mLockSounds.load(soundPath, 1); 510 } 511 if (soundPath == null || mLockSoundId == 0) { 512 Log.w(TAG, "failed to load lock sound from " + soundPath); 513 } 514 soundPath = Settings.Global.getString(cr, Settings.Global.UNLOCK_SOUND); 515 if (soundPath != null) { 516 mUnlockSoundId = mLockSounds.load(soundPath, 1); 517 } 518 if (soundPath == null || mUnlockSoundId == 0) { 519 Log.w(TAG, "failed to load unlock sound from " + soundPath); 520 } 521 soundPath = Settings.Global.getString(cr, Settings.Global.TRUSTED_SOUND); 522 if (soundPath != null) { 523 mTrustedSoundId = mLockSounds.load(soundPath, 1); 524 } 525 if (soundPath == null || mTrustedSoundId == 0) { 526 Log.w(TAG, "failed to load trusted sound from " + soundPath); 527 } 528 529 int lockSoundDefaultAttenuation = mContext.getResources().getInteger( 530 com.android.internal.R.integer.config_lockSoundVolumeDb); 531 mLockSoundVolume = (float)Math.pow(10, (float)lockSoundDefaultAttenuation/20); 532 533 mHideAnimation = AnimationUtils.loadAnimation(mContext, 534 com.android.internal.R.anim.lock_screen_behind_enter); 535 } 536 537 @Override 538 public void start() { 539 setup(); 540 putComponent(KeyguardViewMediator.class, this); 541 } 542 543 /** 544 * Let us know that the system is ready after startup. 545 */ 546 public void onSystemReady() { 547 mSearchManager = (SearchManager) mContext.getSystemService(Context.SEARCH_SERVICE); 548 synchronized (this) { 549 if (DEBUG) Log.d(TAG, "onSystemReady"); 550 mSystemReady = true; 551 mUpdateMonitor.registerCallback(mUpdateCallback); 552 553 // Suppress biometric unlock right after boot until things have settled if it is the 554 // selected security method, otherwise unsuppress it. It must be unsuppressed if it is 555 // not the selected security method for the following reason: if the user starts 556 // without a screen lock selected, the biometric unlock would be suppressed the first 557 // time they try to use it. 558 // 559 // Note that the biometric unlock will still not show if it is not the selected method. 560 // Calling setAlternateUnlockEnabled(true) simply says don't suppress it if it is the 561 // selected method. 562 if (mLockPatternUtils.usingBiometricWeak() 563 && mLockPatternUtils.isBiometricWeakInstalled()) { 564 if (DEBUG) Log.d(TAG, "suppressing biometric unlock during boot"); 565 mUpdateMonitor.setAlternateUnlockEnabled(false); 566 } else { 567 mUpdateMonitor.setAlternateUnlockEnabled(true); 568 } 569 570 doKeyguardLocked(null); 571 } 572 // Most services aren't available until the system reaches the ready state, so we 573 // send it here when the device first boots. 574 maybeSendUserPresentBroadcast(); 575 } 576 577 /** 578 * Called to let us know the screen was turned off. 579 * @param why either {@link android.view.WindowManagerPolicy#OFF_BECAUSE_OF_USER} or 580 * {@link android.view.WindowManagerPolicy#OFF_BECAUSE_OF_TIMEOUT}. 581 */ 582 public void onScreenTurnedOff(int why) { 583 synchronized (this) { 584 mScreenOn = false; 585 if (DEBUG) Log.d(TAG, "onScreenTurnedOff(" + why + ")"); 586 587 mKeyguardDonePending = false; 588 mHideAnimationRun = false; 589 590 // Lock immediately based on setting if secure (user has a pin/pattern/password). 591 // This also "locks" the device when not secure to provide easy access to the 592 // camera while preventing unwanted input. 593 final boolean lockImmediately = 594 mLockPatternUtils.getPowerButtonInstantlyLocks() || !mLockPatternUtils.isSecure(); 595 596 notifyScreenOffLocked(); 597 598 if (mExitSecureCallback != null) { 599 if (DEBUG) Log.d(TAG, "pending exit secure callback cancelled"); 600 try { 601 mExitSecureCallback.onKeyguardExitResult(false); 602 } catch (RemoteException e) { 603 Slog.w(TAG, "Failed to call onKeyguardExitResult(false)", e); 604 } 605 mExitSecureCallback = null; 606 if (!mExternallyEnabled) { 607 hideLocked(); 608 } 609 } else if (mShowing) { 610 resetStateLocked(); 611 } else if (why == WindowManagerPolicy.OFF_BECAUSE_OF_TIMEOUT 612 || (why == WindowManagerPolicy.OFF_BECAUSE_OF_USER && !lockImmediately)) { 613 doKeyguardLaterLocked(); 614 } else { 615 doKeyguardLocked(null); 616 } 617 } 618 KeyguardUpdateMonitor.getInstance(mContext).dispatchScreenTurndOff(why); 619 } 620 621 private void doKeyguardLaterLocked() { 622 // if the screen turned off because of timeout or the user hit the power button 623 // and we don't need to lock immediately, set an alarm 624 // to enable it a little bit later (i.e, give the user a chance 625 // to turn the screen back on within a certain window without 626 // having to unlock the screen) 627 final ContentResolver cr = mContext.getContentResolver(); 628 629 // From DisplaySettings 630 long displayTimeout = Settings.System.getInt(cr, SCREEN_OFF_TIMEOUT, 631 KEYGUARD_DISPLAY_TIMEOUT_DELAY_DEFAULT); 632 633 // From SecuritySettings 634 final long lockAfterTimeout = Settings.Secure.getInt(cr, 635 Settings.Secure.LOCK_SCREEN_LOCK_AFTER_TIMEOUT, 636 KEYGUARD_LOCK_AFTER_DELAY_DEFAULT); 637 638 // From DevicePolicyAdmin 639 final long policyTimeout = mLockPatternUtils.getDevicePolicyManager() 640 .getMaximumTimeToLock(null, mLockPatternUtils.getCurrentUser()); 641 642 long timeout; 643 if (policyTimeout > 0) { 644 // policy in effect. Make sure we don't go beyond policy limit. 645 displayTimeout = Math.max(displayTimeout, 0); // ignore negative values 646 timeout = Math.min(policyTimeout - displayTimeout, lockAfterTimeout); 647 } else { 648 timeout = lockAfterTimeout; 649 } 650 651 if (timeout <= 0) { 652 // Lock now 653 mSuppressNextLockSound = true; 654 doKeyguardLocked(null); 655 } else { 656 // Lock in the future 657 long when = SystemClock.elapsedRealtime() + timeout; 658 Intent intent = new Intent(DELAYED_KEYGUARD_ACTION); 659 intent.putExtra("seq", mDelayedShowingSequence); 660 PendingIntent sender = PendingIntent.getBroadcast(mContext, 661 0, intent, PendingIntent.FLAG_CANCEL_CURRENT); 662 mAlarmManager.set(AlarmManager.ELAPSED_REALTIME_WAKEUP, when, sender); 663 if (DEBUG) Log.d(TAG, "setting alarm to turn off keyguard, seq = " 664 + mDelayedShowingSequence); 665 } 666 } 667 668 private void cancelDoKeyguardLaterLocked() { 669 mDelayedShowingSequence++; 670 } 671 672 /** 673 * Let's us know the screen was turned on. 674 */ 675 public void onScreenTurnedOn(IKeyguardShowCallback callback) { 676 synchronized (this) { 677 mScreenOn = true; 678 cancelDoKeyguardLaterLocked(); 679 if (DEBUG) Log.d(TAG, "onScreenTurnedOn, seq = " + mDelayedShowingSequence); 680 if (callback != null) { 681 notifyScreenOnLocked(callback); 682 } 683 } 684 KeyguardUpdateMonitor.getInstance(mContext).dispatchScreenTurnedOn(); 685 maybeSendUserPresentBroadcast(); 686 } 687 688 private void maybeSendUserPresentBroadcast() { 689 if (mSystemReady && mLockPatternUtils.isLockScreenDisabled()) { 690 // Lock screen is disabled because the user has set the preference to "None". 691 // In this case, send out ACTION_USER_PRESENT here instead of in 692 // handleKeyguardDone() 693 sendUserPresentBroadcast(); 694 } 695 } 696 697 /** 698 * A dream started. We should lock after the usual screen-off lock timeout but only 699 * if there is a secure lock pattern. 700 */ 701 public void onDreamingStarted() { 702 synchronized (this) { 703 if (mScreenOn && mLockPatternUtils.isSecure()) { 704 doKeyguardLaterLocked(); 705 } 706 } 707 } 708 709 /** 710 * A dream stopped. 711 */ 712 public void onDreamingStopped() { 713 synchronized (this) { 714 if (mScreenOn) { 715 cancelDoKeyguardLaterLocked(); 716 } 717 } 718 } 719 720 /** 721 * Same semantics as {@link android.view.WindowManagerPolicy#enableKeyguard}; provide 722 * a way for external stuff to override normal keyguard behavior. For instance 723 * the phone app disables the keyguard when it receives incoming calls. 724 */ 725 public void setKeyguardEnabled(boolean enabled) { 726 synchronized (this) { 727 if (DEBUG) Log.d(TAG, "setKeyguardEnabled(" + enabled + ")"); 728 729 mExternallyEnabled = enabled; 730 731 if (!enabled && mShowing) { 732 if (mExitSecureCallback != null) { 733 if (DEBUG) Log.d(TAG, "in process of verifyUnlock request, ignoring"); 734 // we're in the process of handling a request to verify the user 735 // can get past the keyguard. ignore extraneous requests to disable / reenable 736 return; 737 } 738 739 // hiding keyguard that is showing, remember to reshow later 740 if (DEBUG) Log.d(TAG, "remembering to reshow, hiding keyguard, " 741 + "disabling status bar expansion"); 742 mNeedToReshowWhenReenabled = true; 743 hideLocked(); 744 } else if (enabled && mNeedToReshowWhenReenabled) { 745 // reenabled after previously hidden, reshow 746 if (DEBUG) Log.d(TAG, "previously hidden, reshowing, reenabling " 747 + "status bar expansion"); 748 mNeedToReshowWhenReenabled = false; 749 750 if (mExitSecureCallback != null) { 751 if (DEBUG) Log.d(TAG, "onKeyguardExitResult(false), resetting"); 752 try { 753 mExitSecureCallback.onKeyguardExitResult(false); 754 } catch (RemoteException e) { 755 Slog.w(TAG, "Failed to call onKeyguardExitResult(false)", e); 756 } 757 mExitSecureCallback = null; 758 resetStateLocked(); 759 } else { 760 showLocked(null); 761 762 // block until we know the keygaurd is done drawing (and post a message 763 // to unblock us after a timeout so we don't risk blocking too long 764 // and causing an ANR). 765 mWaitingUntilKeyguardVisible = true; 766 mHandler.sendEmptyMessageDelayed(KEYGUARD_DONE_DRAWING, KEYGUARD_DONE_DRAWING_TIMEOUT_MS); 767 if (DEBUG) Log.d(TAG, "waiting until mWaitingUntilKeyguardVisible is false"); 768 while (mWaitingUntilKeyguardVisible) { 769 try { 770 wait(); 771 } catch (InterruptedException e) { 772 Thread.currentThread().interrupt(); 773 } 774 } 775 if (DEBUG) Log.d(TAG, "done waiting for mWaitingUntilKeyguardVisible"); 776 } 777 } 778 } 779 } 780 781 /** 782 * @see android.app.KeyguardManager#exitKeyguardSecurely 783 */ 784 public void verifyUnlock(IKeyguardExitCallback callback) { 785 synchronized (this) { 786 if (DEBUG) Log.d(TAG, "verifyUnlock"); 787 if (shouldWaitForProvisioning()) { 788 // don't allow this api when the device isn't provisioned 789 if (DEBUG) Log.d(TAG, "ignoring because device isn't provisioned"); 790 try { 791 callback.onKeyguardExitResult(false); 792 } catch (RemoteException e) { 793 Slog.w(TAG, "Failed to call onKeyguardExitResult(false)", e); 794 } 795 } else if (mExternallyEnabled) { 796 // this only applies when the user has externally disabled the 797 // keyguard. this is unexpected and means the user is not 798 // using the api properly. 799 Log.w(TAG, "verifyUnlock called when not externally disabled"); 800 try { 801 callback.onKeyguardExitResult(false); 802 } catch (RemoteException e) { 803 Slog.w(TAG, "Failed to call onKeyguardExitResult(false)", e); 804 } 805 } else if (mExitSecureCallback != null) { 806 // already in progress with someone else 807 try { 808 callback.onKeyguardExitResult(false); 809 } catch (RemoteException e) { 810 Slog.w(TAG, "Failed to call onKeyguardExitResult(false)", e); 811 } 812 } else { 813 mExitSecureCallback = callback; 814 verifyUnlockLocked(); 815 } 816 } 817 } 818 819 /** 820 * Is the keyguard currently showing? 821 */ 822 public boolean isShowing() { 823 return mShowing; 824 } 825 826 public boolean isOccluded() { 827 return mOccluded; 828 } 829 830 /** 831 * Is the keyguard currently showing and not being force hidden? 832 */ 833 public boolean isShowingAndNotOccluded() { 834 return mShowing && !mOccluded; 835 } 836 837 /** 838 * Notify us when the keyguard is occluded by another window 839 */ 840 public void setOccluded(boolean isOccluded) { 841 if (DEBUG) Log.d(TAG, "setOccluded " + isOccluded); 842 mHandler.removeMessages(SET_OCCLUDED); 843 Message msg = mHandler.obtainMessage(SET_OCCLUDED, (isOccluded ? 1 : 0), 0); 844 mHandler.sendMessage(msg); 845 } 846 847 /** 848 * Handles SET_OCCLUDED message sent by setOccluded() 849 */ 850 private void handleSetOccluded(boolean isOccluded) { 851 synchronized (KeyguardViewMediator.this) { 852 if (mOccluded != isOccluded) { 853 mOccluded = isOccluded; 854 mStatusBarKeyguardViewManager.setOccluded(isOccluded); 855 updateActivityLockScreenState(); 856 adjustStatusBarLocked(); 857 } 858 } 859 } 860 861 /** 862 * Used by PhoneWindowManager to enable the keyguard due to a user activity timeout. 863 * This must be safe to call from any thread and with any window manager locks held. 864 */ 865 public void doKeyguardTimeout(Bundle options) { 866 mHandler.removeMessages(KEYGUARD_TIMEOUT); 867 Message msg = mHandler.obtainMessage(KEYGUARD_TIMEOUT, options); 868 mHandler.sendMessage(msg); 869 } 870 871 /** 872 * Given the state of the keyguard, is the input restricted? 873 * Input is restricted when the keyguard is showing, or when the keyguard 874 * was suppressed by an app that disabled the keyguard or we haven't been provisioned yet. 875 */ 876 public boolean isInputRestricted() { 877 return mShowing || mNeedToReshowWhenReenabled || shouldWaitForProvisioning(); 878 } 879 880 /** 881 * Enable the keyguard if the settings are appropriate. 882 */ 883 private void doKeyguardLocked(Bundle options) { 884 // if another app is disabling us, don't show 885 if (!mExternallyEnabled) { 886 if (DEBUG) Log.d(TAG, "doKeyguard: not showing because externally disabled"); 887 888 // note: we *should* set mNeedToReshowWhenReenabled=true here, but that makes 889 // for an occasional ugly flicker in this situation: 890 // 1) receive a call with the screen on (no keyguard) or make a call 891 // 2) screen times out 892 // 3) user hits key to turn screen back on 893 // instead, we reenable the keyguard when we know the screen is off and the call 894 // ends (see the broadcast receiver below) 895 // TODO: clean this up when we have better support at the window manager level 896 // for apps that wish to be on top of the keyguard 897 return; 898 } 899 900 // if the keyguard is already showing, don't bother 901 if (mStatusBarKeyguardViewManager.isShowing()) { 902 if (DEBUG) Log.d(TAG, "doKeyguard: not showing because it is already showing"); 903 return; 904 } 905 906 // if the setup wizard hasn't run yet, don't show 907 final boolean requireSim = !SystemProperties.getBoolean("keyguard.no_require_sim", 908 false); 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 && shouldWaitForProvisioning()) { 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 private boolean shouldWaitForProvisioning() { 939 return !mUpdateMonitor.isDeviceProvisioned() && !isSecure(); 940 } 941 942 /** 943 * Dismiss the keyguard through the security layers. 944 */ 945 public void handleDismiss() { 946 if (mShowing && !mOccluded) { 947 mStatusBarKeyguardViewManager.dismiss(); 948 } 949 } 950 951 public void dismiss() { 952 mHandler.sendEmptyMessage(DISMISS); 953 } 954 955 /** 956 * Send message to keyguard telling it to reset its state. 957 * @see #handleReset 958 */ 959 private void resetStateLocked() { 960 if (DEBUG) Log.e(TAG, "resetStateLocked"); 961 Message msg = mHandler.obtainMessage(RESET); 962 mHandler.sendMessage(msg); 963 } 964 965 /** 966 * Send message to keyguard telling it to verify unlock 967 * @see #handleVerifyUnlock() 968 */ 969 private void verifyUnlockLocked() { 970 if (DEBUG) Log.d(TAG, "verifyUnlockLocked"); 971 mHandler.sendEmptyMessage(VERIFY_UNLOCK); 972 } 973 974 975 /** 976 * Send a message to keyguard telling it the screen just turned on. 977 * @see #onScreenTurnedOff(int) 978 * @see #handleNotifyScreenOff 979 */ 980 private void notifyScreenOffLocked() { 981 if (DEBUG) Log.d(TAG, "notifyScreenOffLocked"); 982 mHandler.sendEmptyMessage(NOTIFY_SCREEN_OFF); 983 } 984 985 /** 986 * Send a message to keyguard telling it the screen just turned on. 987 * @see #onScreenTurnedOn 988 * @see #handleNotifyScreenOn 989 */ 990 private void notifyScreenOnLocked(IKeyguardShowCallback result) { 991 if (DEBUG) Log.d(TAG, "notifyScreenOnLocked"); 992 Message msg = mHandler.obtainMessage(NOTIFY_SCREEN_ON, result); 993 mHandler.sendMessage(msg); 994 } 995 996 /** 997 * Send message to keyguard telling it to show itself 998 * @see #handleShow 999 */ 1000 private void showLocked(Bundle options) { 1001 if (DEBUG) Log.d(TAG, "showLocked"); 1002 // ensure we stay awake until we are finished displaying the keyguard 1003 mShowKeyguardWakeLock.acquire(); 1004 Message msg = mHandler.obtainMessage(SHOW, options); 1005 mHandler.sendMessage(msg); 1006 } 1007 1008 /** 1009 * Send message to keyguard telling it to hide itself 1010 * @see #handleHide() 1011 */ 1012 private void hideLocked() { 1013 if (DEBUG) Log.d(TAG, "hideLocked"); 1014 Message msg = mHandler.obtainMessage(HIDE); 1015 mHandler.sendMessage(msg); 1016 } 1017 1018 public boolean isSecure() { 1019 return mLockPatternUtils.isSecure() 1020 || KeyguardUpdateMonitor.getInstance(mContext).isSimPinSecure(); 1021 } 1022 1023 /** 1024 * Update the newUserId. Call while holding WindowManagerService lock. 1025 * NOTE: Should only be called by KeyguardViewMediator in response to the user id changing. 1026 * 1027 * @param newUserId The id of the incoming user. 1028 */ 1029 public void setCurrentUser(int newUserId) { 1030 mLockPatternUtils.setCurrentUser(newUserId); 1031 } 1032 1033 private final BroadcastReceiver mBroadcastReceiver = new BroadcastReceiver() { 1034 @Override 1035 public void onReceive(Context context, Intent intent) { 1036 if (DELAYED_KEYGUARD_ACTION.equals(intent.getAction())) { 1037 final int sequence = intent.getIntExtra("seq", 0); 1038 if (DEBUG) Log.d(TAG, "received DELAYED_KEYGUARD_ACTION with seq = " 1039 + sequence + ", mDelayedShowingSequence = " + mDelayedShowingSequence); 1040 synchronized (KeyguardViewMediator.this) { 1041 if (mDelayedShowingSequence == sequence) { 1042 // Don't play lockscreen SFX if the screen went off due to timeout. 1043 mSuppressNextLockSound = true; 1044 doKeyguardLocked(null); 1045 } 1046 } 1047 } 1048 } 1049 }; 1050 1051 public void keyguardDone(boolean authenticated, boolean wakeup) { 1052 if (DEBUG) Log.d(TAG, "keyguardDone(" + authenticated + ")"); 1053 EventLog.writeEvent(70000, 2); 1054 Message msg = mHandler.obtainMessage(KEYGUARD_DONE, authenticated ? 1 : 0, wakeup ? 1 : 0); 1055 mHandler.sendMessage(msg); 1056 } 1057 1058 /** 1059 * This handler will be associated with the policy thread, which will also 1060 * be the UI thread of the keyguard. Since the apis of the policy, and therefore 1061 * this class, can be called by other threads, any action that directly 1062 * interacts with the keyguard ui should be posted to this handler, rather 1063 * than called directly. 1064 */ 1065 private Handler mHandler = new Handler(Looper.myLooper(), null, true /*async*/) { 1066 @Override 1067 public void handleMessage(Message msg) { 1068 switch (msg.what) { 1069 case SHOW: 1070 handleShow((Bundle) msg.obj); 1071 break; 1072 case HIDE: 1073 handleHide(); 1074 break; 1075 case RESET: 1076 handleReset(); 1077 break; 1078 case VERIFY_UNLOCK: 1079 handleVerifyUnlock(); 1080 break; 1081 case NOTIFY_SCREEN_OFF: 1082 handleNotifyScreenOff(); 1083 break; 1084 case NOTIFY_SCREEN_ON: 1085 handleNotifyScreenOn((IKeyguardShowCallback) msg.obj); 1086 break; 1087 case KEYGUARD_DONE: 1088 handleKeyguardDone(msg.arg1 != 0, msg.arg2 != 0); 1089 break; 1090 case KEYGUARD_DONE_DRAWING: 1091 handleKeyguardDoneDrawing(); 1092 break; 1093 case KEYGUARD_DONE_AUTHENTICATING: 1094 keyguardDone(true, true); 1095 break; 1096 case SET_OCCLUDED: 1097 handleSetOccluded(msg.arg1 != 0); 1098 break; 1099 case KEYGUARD_TIMEOUT: 1100 synchronized (KeyguardViewMediator.this) { 1101 doKeyguardLocked((Bundle) msg.obj); 1102 } 1103 break; 1104 case DISMISS: 1105 handleDismiss(); 1106 break; 1107 case START_KEYGUARD_EXIT_ANIM: 1108 StartKeyguardExitAnimParams params = (StartKeyguardExitAnimParams) msg.obj; 1109 handleStartKeyguardExitAnimation(params.startTime, params.fadeoutDuration); 1110 break; 1111 case ON_ACTIVITY_DRAWN: 1112 handleOnActivityDrawn(); 1113 break; 1114 } 1115 } 1116 }; 1117 1118 /** 1119 * @see #keyguardDone 1120 * @see #KEYGUARD_DONE 1121 */ 1122 private void handleKeyguardDone(boolean authenticated, boolean wakeup) { 1123 if (DEBUG) Log.d(TAG, "handleKeyguardDone"); 1124 synchronized (this) { 1125 mKeyguardDonePending = false; 1126 } 1127 1128 if (authenticated) { 1129 mUpdateMonitor.clearFailedUnlockAttempts(); 1130 } 1131 mUpdateMonitor.clearFingerprintRecognized(); 1132 1133 if (mExitSecureCallback != null) { 1134 try { 1135 mExitSecureCallback.onKeyguardExitResult(authenticated); 1136 } catch (RemoteException e) { 1137 Slog.w(TAG, "Failed to call onKeyguardExitResult(" + authenticated + ")", e); 1138 } 1139 1140 mExitSecureCallback = null; 1141 1142 if (authenticated) { 1143 // after succesfully exiting securely, no need to reshow 1144 // the keyguard when they've released the lock 1145 mExternallyEnabled = true; 1146 mNeedToReshowWhenReenabled = false; 1147 } 1148 } 1149 1150 handleHide(); 1151 } 1152 1153 private void sendUserPresentBroadcast() { 1154 synchronized (this) { 1155 if (mBootCompleted) { 1156 final UserHandle currentUser = new UserHandle(mLockPatternUtils.getCurrentUser()); 1157 mContext.sendBroadcastAsUser(USER_PRESENT_INTENT, currentUser); 1158 } else { 1159 mBootSendUserPresent = true; 1160 } 1161 } 1162 } 1163 1164 /** 1165 * @see #keyguardDone 1166 * @see #KEYGUARD_DONE_DRAWING 1167 */ 1168 private void handleKeyguardDoneDrawing() { 1169 synchronized(this) { 1170 if (DEBUG) Log.d(TAG, "handleKeyguardDoneDrawing"); 1171 if (mWaitingUntilKeyguardVisible) { 1172 if (DEBUG) Log.d(TAG, "handleKeyguardDoneDrawing: notifying mWaitingUntilKeyguardVisible"); 1173 mWaitingUntilKeyguardVisible = false; 1174 notifyAll(); 1175 1176 // there will usually be two of these sent, one as a timeout, and one 1177 // as a result of the callback, so remove any remaining messages from 1178 // the queue 1179 mHandler.removeMessages(KEYGUARD_DONE_DRAWING); 1180 } 1181 } 1182 } 1183 1184 private void playSounds(boolean locked) { 1185 // User feedback for keyguard. 1186 1187 if (mSuppressNextLockSound) { 1188 mSuppressNextLockSound = false; 1189 return; 1190 } 1191 1192 playSound(locked ? mLockSoundId : mUnlockSoundId); 1193 } 1194 1195 private void playSound(int soundId) { 1196 if (soundId == 0) return; 1197 final ContentResolver cr = mContext.getContentResolver(); 1198 if (Settings.System.getInt(cr, Settings.System.LOCKSCREEN_SOUNDS_ENABLED, 1) == 1) { 1199 1200 mLockSounds.stop(mLockSoundStreamId); 1201 // Init mAudioManager 1202 if (mAudioManager == null) { 1203 mAudioManager = (AudioManager) mContext.getSystemService(Context.AUDIO_SERVICE); 1204 if (mAudioManager == null) return; 1205 mMasterStreamType = mAudioManager.getMasterStreamType(); 1206 } 1207 // If the stream is muted, don't play the sound 1208 if (mAudioManager.isStreamMute(mMasterStreamType)) return; 1209 1210 mLockSoundStreamId = mLockSounds.play(soundId, 1211 mLockSoundVolume, mLockSoundVolume, 1/*priortiy*/, 0/*loop*/, 1.0f/*rate*/); 1212 } 1213 } 1214 1215 private void playTrustedSound() { 1216 if (mSuppressNextLockSound) { 1217 return; 1218 } 1219 playSound(mTrustedSoundId); 1220 } 1221 1222 private void updateActivityLockScreenState() { 1223 try { 1224 ActivityManagerNative.getDefault().setLockScreenShown(mShowing && !mOccluded); 1225 } catch (RemoteException e) { 1226 } 1227 } 1228 1229 /** 1230 * Handle message sent by {@link #showLocked}. 1231 * @see #SHOW 1232 */ 1233 private void handleShow(Bundle options) { 1234 synchronized (KeyguardViewMediator.this) { 1235 if (!mSystemReady) { 1236 if (DEBUG) Log.d(TAG, "ignoring handleShow because system is not ready."); 1237 return; 1238 } else { 1239 if (DEBUG) Log.d(TAG, "handleShow"); 1240 } 1241 1242 mStatusBarKeyguardViewManager.show(options); 1243 mHiding = false; 1244 mShowing = true; 1245 mKeyguardDonePending = false; 1246 mHideAnimationRun = false; 1247 updateActivityLockScreenState(); 1248 adjustStatusBarLocked(); 1249 userActivity(); 1250 1251 // Do this at the end to not slow down display of the keyguard. 1252 playSounds(true); 1253 1254 mShowKeyguardWakeLock.release(); 1255 } 1256 mKeyguardDisplayManager.show(); 1257 } 1258 1259 private final Runnable mKeyguardGoingAwayRunnable = new Runnable() { 1260 @Override 1261 public void run() { 1262 try { 1263 // Don't actually hide the Keyguard at the moment, wait for window 1264 // manager until it tells us it's safe to do so with 1265 // startKeyguardExitAnimation. 1266 mWM.keyguardGoingAway( 1267 mStatusBarKeyguardViewManager.shouldDisableWindowAnimationsForUnlock(), 1268 mStatusBarKeyguardViewManager.isGoingToNotificationShade()); 1269 } catch (RemoteException e) { 1270 Log.e(TAG, "Error while calling WindowManager", e); 1271 } 1272 } 1273 }; 1274 1275 /** 1276 * Handle message sent by {@link #hideLocked()} 1277 * @see #HIDE 1278 */ 1279 private void handleHide() { 1280 synchronized (KeyguardViewMediator.this) { 1281 if (DEBUG) Log.d(TAG, "handleHide"); 1282 1283 mHiding = true; 1284 if (mShowing && !mOccluded) { 1285 if (!mHideAnimationRun) { 1286 mStatusBarKeyguardViewManager.startPreHideAnimation(mKeyguardGoingAwayRunnable); 1287 } else { 1288 mKeyguardGoingAwayRunnable.run(); 1289 } 1290 } else { 1291 1292 // Don't try to rely on WindowManager - if Keyguard wasn't showing, window 1293 // manager won't start the exit animation. 1294 handleStartKeyguardExitAnimation( 1295 SystemClock.uptimeMillis() + mHideAnimation.getStartOffset(), 1296 mHideAnimation.getDuration()); 1297 } 1298 } 1299 } 1300 1301 private void handleOnActivityDrawn() { 1302 if (DEBUG) Log.d(TAG, "handleOnActivityDrawn: mKeyguardDonePending=" + mKeyguardDonePending); 1303 if (mKeyguardDonePending) { 1304 mStatusBarKeyguardViewManager.onActivityDrawn(); 1305 } 1306 } 1307 1308 private void handleStartKeyguardExitAnimation(long startTime, long fadeoutDuration) { 1309 synchronized (KeyguardViewMediator.this) { 1310 1311 if (!mHiding) { 1312 return; 1313 } 1314 mHiding = false; 1315 1316 // only play "unlock" noises if not on a call (since the incall UI 1317 // disables the keyguard) 1318 if (TelephonyManager.EXTRA_STATE_IDLE.equals(mPhoneState)) { 1319 playSounds(false); 1320 } 1321 1322 mStatusBarKeyguardViewManager.hide(startTime, fadeoutDuration); 1323 mShowing = false; 1324 mKeyguardDonePending = false; 1325 mHideAnimationRun = false; 1326 updateActivityLockScreenState(); 1327 adjustStatusBarLocked(); 1328 sendUserPresentBroadcast(); 1329 } 1330 } 1331 1332 private void adjustStatusBarLocked() { 1333 if (mStatusBarManager == null) { 1334 mStatusBarManager = (StatusBarManager) 1335 mContext.getSystemService(Context.STATUS_BAR_SERVICE); 1336 } 1337 if (mStatusBarManager == null) { 1338 Log.w(TAG, "Could not get status bar manager"); 1339 } else { 1340 // Disable aspects of the system/status/navigation bars that must not be re-enabled by 1341 // windows that appear on top, ever 1342 int flags = StatusBarManager.DISABLE_NONE; 1343 if (mShowing) { 1344 // Permanently disable components not available when keyguard is enabled 1345 // (like recents). Temporary enable/disable (e.g. the "back" button) are 1346 // done in KeyguardHostView. 1347 flags |= StatusBarManager.DISABLE_RECENT; 1348 flags |= StatusBarManager.DISABLE_SEARCH; 1349 } 1350 if (isShowingAndNotOccluded()) { 1351 flags |= StatusBarManager.DISABLE_HOME; 1352 } 1353 1354 if (DEBUG) { 1355 Log.d(TAG, "adjustStatusBarLocked: mShowing=" + mShowing + " mOccluded=" + mOccluded 1356 + " isSecure=" + isSecure() + " --> flags=0x" + Integer.toHexString(flags)); 1357 } 1358 1359 if (!(mContext instanceof Activity)) { 1360 mStatusBarManager.disable(flags); 1361 } 1362 } 1363 } 1364 1365 /** 1366 * Handle message sent by {@link #resetStateLocked} 1367 * @see #RESET 1368 */ 1369 private void handleReset() { 1370 synchronized (KeyguardViewMediator.this) { 1371 if (DEBUG) Log.d(TAG, "handleReset"); 1372 mStatusBarKeyguardViewManager.reset(); 1373 } 1374 } 1375 1376 /** 1377 * Handle message sent by {@link #verifyUnlock} 1378 * @see #VERIFY_UNLOCK 1379 */ 1380 private void handleVerifyUnlock() { 1381 synchronized (KeyguardViewMediator.this) { 1382 if (DEBUG) Log.d(TAG, "handleVerifyUnlock"); 1383 mStatusBarKeyguardViewManager.verifyUnlock(); 1384 mShowing = true; 1385 updateActivityLockScreenState(); 1386 } 1387 } 1388 1389 /** 1390 * Handle message sent by {@link #notifyScreenOffLocked()} 1391 * @see #NOTIFY_SCREEN_OFF 1392 */ 1393 private void handleNotifyScreenOff() { 1394 synchronized (KeyguardViewMediator.this) { 1395 if (DEBUG) Log.d(TAG, "handleNotifyScreenOff"); 1396 mStatusBarKeyguardViewManager.onScreenTurnedOff(); 1397 } 1398 } 1399 1400 /** 1401 * Handle message sent by {@link #notifyScreenOnLocked} 1402 * @see #NOTIFY_SCREEN_ON 1403 */ 1404 private void handleNotifyScreenOn(IKeyguardShowCallback callback) { 1405 synchronized (KeyguardViewMediator.this) { 1406 if (DEBUG) Log.d(TAG, "handleNotifyScreenOn"); 1407 mStatusBarKeyguardViewManager.onScreenTurnedOn(callback); 1408 } 1409 } 1410 1411 public boolean isDismissable() { 1412 return mKeyguardDonePending || !isSecure(); 1413 } 1414 1415 private boolean isAssistantAvailable() { 1416 return mSearchManager != null 1417 && mSearchManager.getAssistIntent(mContext, false, UserHandle.USER_CURRENT) != null; 1418 } 1419 1420 public void onBootCompleted() { 1421 mUpdateMonitor.dispatchBootCompleted(); 1422 synchronized (this) { 1423 mBootCompleted = true; 1424 if (mBootSendUserPresent) { 1425 sendUserPresentBroadcast(); 1426 } 1427 } 1428 } 1429 1430 public StatusBarKeyguardViewManager registerStatusBar(PhoneStatusBar phoneStatusBar, 1431 ViewGroup container, StatusBarWindowManager statusBarWindowManager, 1432 ScrimController scrimController) { 1433 mStatusBarKeyguardViewManager.registerStatusBar(phoneStatusBar, container, 1434 statusBarWindowManager, scrimController); 1435 return mStatusBarKeyguardViewManager; 1436 } 1437 1438 public void startKeyguardExitAnimation(long startTime, long fadeoutDuration) { 1439 Message msg = mHandler.obtainMessage(START_KEYGUARD_EXIT_ANIM, 1440 new StartKeyguardExitAnimParams(startTime, fadeoutDuration)); 1441 mHandler.sendMessage(msg); 1442 } 1443 1444 public void onActivityDrawn() { 1445 mHandler.sendEmptyMessage(ON_ACTIVITY_DRAWN); 1446 } 1447 public ViewMediatorCallback getViewMediatorCallback() { 1448 return mViewMediatorCallback; 1449 } 1450 1451 private static class StartKeyguardExitAnimParams { 1452 1453 long startTime; 1454 long fadeoutDuration; 1455 1456 private StartKeyguardExitAnimParams(long startTime, long fadeoutDuration) { 1457 this.startTime = startTime; 1458 this.fadeoutDuration = fadeoutDuration; 1459 } 1460 } 1461} 1462