KeyguardViewMediator.java revision 118aecea584499fb41966fd8a0ea0ac60ac6bdb6
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.ActivityManagerNative; 21import android.app.AlarmManager; 22import android.app.PendingIntent; 23import android.app.SearchManager; 24import android.app.StatusBarManager; 25import android.content.BroadcastReceiver; 26import android.content.ContentResolver; 27import android.content.Context; 28import android.content.Intent; 29import android.content.IntentFilter; 30import android.media.AudioManager; 31import android.media.SoundPool; 32import android.os.Bundle; 33import android.os.Handler; 34import android.os.Looper; 35import android.os.Message; 36import android.os.PowerManager; 37import android.os.RemoteException; 38import android.os.SystemClock; 39import android.os.SystemProperties; 40import android.os.UserHandle; 41import android.os.UserManager; 42import android.provider.Settings; 43import android.telephony.TelephonyManager; 44import android.util.EventLog; 45import android.util.Log; 46import android.util.Slog; 47import android.view.IWindowManager; 48import android.view.ViewGroup; 49import android.view.WindowManagerGlobal; 50import android.view.WindowManagerPolicy; 51import android.view.animation.Animation; 52import android.view.animation.AnimationUtils; 53import com.android.internal.policy.IKeyguardExitCallback; 54import com.android.internal.policy.IKeyguardShowCallback; 55import com.android.internal.telephony.IccCardConstants; 56import com.android.internal.widget.LockPatternUtils; 57import com.android.keyguard.KeyguardDisplayManager; 58import com.android.keyguard.KeyguardUpdateMonitor; 59import com.android.keyguard.KeyguardUpdateMonitorCallback; 60import com.android.keyguard.MultiUserAvatarCache; 61import com.android.keyguard.ViewMediatorCallback; 62import com.android.systemui.SystemUI; 63import com.android.systemui.statusbar.phone.PhoneStatusBar; 64import com.android.systemui.statusbar.phone.ScrimController; 65import com.android.systemui.statusbar.phone.StatusBarKeyguardViewManager; 66import com.android.systemui.statusbar.phone.StatusBarWindowManager; 67 68import static android.provider.Settings.System.SCREEN_OFF_TIMEOUT; 69 70 71/** 72 * Mediates requests related to the keyguard. This includes queries about the 73 * state of the keyguard, power management events that effect whether the keyguard 74 * should be shown or reset, callbacks to the phone window manager to notify 75 * it of when the keyguard is showing, and events from the keyguard view itself 76 * stating that the keyguard was succesfully unlocked. 77 * 78 * Note that the keyguard view is shown when the screen is off (as appropriate) 79 * so that once the screen comes on, it will be ready immediately. 80 * 81 * Example queries about the keyguard: 82 * - is {movement, key} one that should wake the keygaurd? 83 * - is the keyguard showing? 84 * - are input events restricted due to the state of the keyguard? 85 * 86 * Callbacks to the phone window manager: 87 * - the keyguard is showing 88 * 89 * Example external events that translate to keyguard view changes: 90 * - screen turned off -> reset the keyguard, and show it so it will be ready 91 * next time the screen turns on 92 * - keyboard is slid open -> if the keyguard is not secure, hide it 93 * 94 * Events from the keyguard view: 95 * - user succesfully unlocked keyguard -> hide keyguard view, and no longer 96 * restrict input events. 97 * 98 * Note: in addition to normal power managment events that effect the state of 99 * whether the keyguard should be showing, external apps and services may request 100 * that the keyguard be disabled via {@link #setKeyguardEnabled(boolean)}. When 101 * false, this will override all other conditions for turning on the keyguard. 102 * 103 * Threading and synchronization: 104 * This class is created by the initialization routine of the {@link android.view.WindowManagerPolicy}, 105 * and runs on its thread. The keyguard UI is created from that thread in the 106 * constructor of this class. The apis may be called from other threads, including the 107 * {@link com.android.server.input.InputManagerService}'s and {@link android.view.WindowManager}'s. 108 * Therefore, methods on this class are synchronized, and any action that is pointed 109 * directly to the keyguard UI is posted to a {@link android.os.Handler} to ensure it is taken on the UI 110 * thread of the keyguard. 111 */ 112public class KeyguardViewMediator extends SystemUI { 113 private static final int KEYGUARD_DISPLAY_TIMEOUT_DELAY_DEFAULT = 30000; 114 final static boolean DEBUG = false; 115 private final static boolean DBG_WAKE = false; 116 117 private final static String TAG = "KeyguardViewMediator"; 118 119 private static final String DELAYED_KEYGUARD_ACTION = 120 "com.android.internal.policy.impl.PhoneWindowManager.DELAYED_KEYGUARD"; 121 122 // used for handler messages 123 private static final int SHOW = 2; 124 private static final int HIDE = 3; 125 private static final int RESET = 4; 126 private static final int VERIFY_UNLOCK = 5; 127 private static final int NOTIFY_SCREEN_OFF = 6; 128 private static final int NOTIFY_SCREEN_ON = 7; 129 private static final int KEYGUARD_DONE = 9; 130 private static final int KEYGUARD_DONE_DRAWING = 10; 131 private static final int KEYGUARD_DONE_AUTHENTICATING = 11; 132 private static final int SET_OCCLUDED = 12; 133 private static final int KEYGUARD_TIMEOUT = 13; 134 private static final int DISMISS = 17; 135 private static final int START_KEYGUARD_EXIT_ANIM = 18; 136 private static final int ON_ACTIVITY_DRAWN = 19; 137 138 /** 139 * The default amount of time we stay awake (used for all key input) 140 */ 141 public static final int AWAKE_INTERVAL_DEFAULT_MS = 10000; 142 143 /** 144 * How long to wait after the screen turns off due to timeout before 145 * turning on the keyguard (i.e, the user has this much time to turn 146 * the screen back on without having to face the keyguard). 147 */ 148 private static final int KEYGUARD_LOCK_AFTER_DELAY_DEFAULT = 5000; 149 150 /** 151 * How long we'll wait for the {@link ViewMediatorCallback#keyguardDoneDrawing()} 152 * callback before unblocking a call to {@link #setKeyguardEnabled(boolean)} 153 * that is reenabling the keyguard. 154 */ 155 private static final int KEYGUARD_DONE_DRAWING_TIMEOUT_MS = 2000; 156 157 /** 158 * Secure setting whether analytics are collected on the keyguard. 159 */ 160 private static final String KEYGUARD_ANALYTICS_SETTING = "keyguard_analytics"; 161 162 /** The stream type that the lock sounds are tied to. */ 163 private int mMasterStreamType; 164 165 private AlarmManager mAlarmManager; 166 private AudioManager mAudioManager; 167 private StatusBarManager mStatusBarManager; 168 private boolean mSwitchingUser; 169 170 private boolean mSystemReady; 171 172 // Whether the next call to playSounds() should be skipped. Defaults to 173 // true because the first lock (on boot) should be silent. 174 private boolean mSuppressNextLockSound = true; 175 176 177 /** High level access to the power manager for WakeLocks */ 178 private PowerManager mPM; 179 180 /** High level access to the window manager for dismissing keyguard animation */ 181 private IWindowManager mWM; 182 183 /** UserManager for querying number of users */ 184 private UserManager mUserManager; 185 186 /** SearchManager for determining whether or not search assistant is available */ 187 private SearchManager mSearchManager; 188 189 /** 190 * Used to keep the device awake while to ensure the keyguard finishes opening before 191 * we sleep. 192 */ 193 private PowerManager.WakeLock mShowKeyguardWakeLock; 194 195 private StatusBarKeyguardViewManager mStatusBarKeyguardViewManager; 196 197 // these are protected by synchronized (this) 198 199 /** 200 * External apps (like the phone app) can tell us to disable the keygaurd. 201 */ 202 private boolean mExternallyEnabled = true; 203 204 /** 205 * Remember if an external call to {@link #setKeyguardEnabled} with value 206 * false caused us to hide the keyguard, so that we need to reshow it once 207 * the keygaurd is reenabled with another call with value true. 208 */ 209 private boolean mNeedToReshowWhenReenabled = false; 210 211 // cached value of whether we are showing (need to know this to quickly 212 // answer whether the input should be restricted) 213 private boolean mShowing; 214 215 // true if the keyguard is hidden by another window 216 private boolean mOccluded = false; 217 218 /** 219 * Helps remember whether the screen has turned on since the last time 220 * it turned off due to timeout. see {@link #onScreenTurnedOff(int)} 221 */ 222 private int mDelayedShowingSequence; 223 224 /** 225 * If the user has disabled the keyguard, then requests to exit, this is 226 * how we'll ultimately let them know whether it was successful. We use this 227 * var being non-null as an indicator that there is an in progress request. 228 */ 229 private IKeyguardExitCallback mExitSecureCallback; 230 231 // the properties of the keyguard 232 233 private KeyguardUpdateMonitor mUpdateMonitor; 234 235 private boolean mScreenOn; 236 237 // last known state of the cellular connection 238 private String mPhoneState = TelephonyManager.EXTRA_STATE_IDLE; 239 240 /** 241 * Whether a hide is pending an we are just waiting for #startKeyguardExitAnimation to be 242 * called. 243 * */ 244 private boolean mHiding; 245 246 /** 247 * we send this intent when the keyguard is dismissed. 248 */ 249 private static final Intent USER_PRESENT_INTENT = new Intent(Intent.ACTION_USER_PRESENT) 250 .addFlags(Intent.FLAG_RECEIVER_REPLACE_PENDING 251 | Intent.FLAG_RECEIVER_REGISTERED_ONLY_BEFORE_BOOT); 252 253 /** 254 * {@link #setKeyguardEnabled} waits on this condition when it reenables 255 * the keyguard. 256 */ 257 private boolean mWaitingUntilKeyguardVisible = false; 258 private LockPatternUtils mLockPatternUtils; 259 private boolean mKeyguardDonePending = false; 260 private boolean mHideAnimationRun = false; 261 262 private SoundPool mLockSounds; 263 private int mLockSoundId; 264 private int mUnlockSoundId; 265 private int mTrustedSoundId; 266 private int mLockSoundStreamId; 267 268 /** 269 * The animation used for hiding keyguard. This is used to fetch the animation timings if 270 * WindowManager is not providing us with them. 271 */ 272 private Animation mHideAnimation; 273 274 /** 275 * The volume applied to the lock/unlock sounds. 276 */ 277 private float mLockSoundVolume; 278 279 /** 280 * For managing external displays 281 */ 282 private KeyguardDisplayManager mKeyguardDisplayManager; 283 284 KeyguardUpdateMonitorCallback mUpdateCallback = new KeyguardUpdateMonitorCallback() { 285 286 @Override 287 public void onUserSwitching(int userId) { 288 // Note that the mLockPatternUtils user has already been updated from setCurrentUser. 289 // We need to force a reset of the views, since lockNow (called by 290 // ActivityManagerService) will not reconstruct the keyguard if it is already showing. 291 synchronized (KeyguardViewMediator.this) { 292 mSwitchingUser = true; 293 mKeyguardDonePending = false; 294 resetStateLocked(); 295 adjustStatusBarLocked(); 296 // When we switch users we want to bring the new user to the biometric unlock even 297 // if the current user has gone to the backup. 298 KeyguardUpdateMonitor.getInstance(mContext).setAlternateUnlockEnabled(true); 299 } 300 } 301 302 @Override 303 public void onUserSwitchComplete(int userId) { 304 mSwitchingUser = false; 305 } 306 307 @Override 308 public void onUserRemoved(int userId) { 309 mLockPatternUtils.removeUser(userId); 310 MultiUserAvatarCache.getInstance().clear(userId); 311 } 312 313 @Override 314 public void onUserInfoChanged(int userId) { 315 MultiUserAvatarCache.getInstance().clear(userId); 316 } 317 318 @Override 319 public void onPhoneStateChanged(int phoneState) { 320 synchronized (KeyguardViewMediator.this) { 321 if (TelephonyManager.CALL_STATE_IDLE == phoneState // call ending 322 && !mScreenOn // screen off 323 && mExternallyEnabled) { // not disabled by any app 324 325 // note: this is a way to gracefully reenable the keyguard when the call 326 // ends and the screen is off without always reenabling the keyguard 327 // each time the screen turns off while in call (and having an occasional ugly 328 // flicker while turning back on the screen and disabling the keyguard again). 329 if (DEBUG) Log.d(TAG, "screen is off and call ended, let's make sure the " 330 + "keyguard is showing"); 331 doKeyguardLocked(null); 332 } 333 } 334 } 335 336 @Override 337 public void onClockVisibilityChanged() { 338 adjustStatusBarLocked(); 339 } 340 341 @Override 342 public void onDeviceProvisioned() { 343 sendUserPresentBroadcast(); 344 } 345 346 @Override 347 public void onSimStateChanged(IccCardConstants.State simState) { 348 if (DEBUG) Log.d(TAG, "onSimStateChanged: " + simState); 349 350 switch (simState) { 351 case NOT_READY: 352 case ABSENT: 353 // only force lock screen in case of missing sim if user hasn't 354 // gone through setup wizard 355 synchronized (this) { 356 if (!mUpdateMonitor.isDeviceProvisioned()) { 357 if (!isShowing()) { 358 if (DEBUG) Log.d(TAG, "ICC_ABSENT isn't showing," 359 + " we need to show the keyguard since the " 360 + "device isn't provisioned yet."); 361 doKeyguardLocked(null); 362 } else { 363 resetStateLocked(); 364 } 365 } 366 } 367 break; 368 case PIN_REQUIRED: 369 case PUK_REQUIRED: 370 synchronized (this) { 371 if (!isShowing()) { 372 if (DEBUG) Log.d(TAG, "INTENT_VALUE_ICC_LOCKED and keygaurd isn't " 373 + "showing; need to show keyguard so user can enter sim pin"); 374 doKeyguardLocked(null); 375 } else { 376 resetStateLocked(); 377 } 378 } 379 break; 380 case PERM_DISABLED: 381 synchronized (this) { 382 if (!isShowing()) { 383 if (DEBUG) Log.d(TAG, "PERM_DISABLED and " 384 + "keygaurd isn't showing."); 385 doKeyguardLocked(null); 386 } else { 387 if (DEBUG) Log.d(TAG, "PERM_DISABLED, resetStateLocked to" 388 + "show permanently disabled message in lockscreen."); 389 resetStateLocked(); 390 } 391 } 392 break; 393 case READY: 394 synchronized (this) { 395 if (isShowing()) { 396 resetStateLocked(); 397 } 398 } 399 break; 400 } 401 } 402 403 public void onFingerprintRecognized(int userId) { 404 if (mStatusBarKeyguardViewManager.isBouncerShowing()) { 405 mViewMediatorCallback.keyguardDone(true); 406 } 407 }; 408 409 }; 410 411 ViewMediatorCallback mViewMediatorCallback = new ViewMediatorCallback() { 412 413 public void userActivity() { 414 KeyguardViewMediator.this.userActivity(); 415 } 416 417 public void keyguardDone(boolean authenticated) { 418 KeyguardViewMediator.this.keyguardDone(authenticated, true); 419 } 420 421 public void keyguardDoneDrawing() { 422 mHandler.sendEmptyMessage(KEYGUARD_DONE_DRAWING); 423 } 424 425 @Override 426 public void setNeedsInput(boolean needsInput) { 427 mStatusBarKeyguardViewManager.setNeedsInput(needsInput); 428 } 429 430 @Override 431 public void onUserActivityTimeoutChanged() { 432 mStatusBarKeyguardViewManager.updateUserActivityTimeout(); 433 } 434 435 @Override 436 public void keyguardDonePending() { 437 mKeyguardDonePending = true; 438 mHideAnimationRun = true; 439 mStatusBarKeyguardViewManager.startPreHideAnimation(null /* finishRunnable */); 440 } 441 442 @Override 443 public void keyguardGone() { 444 mKeyguardDisplayManager.hide(); 445 } 446 447 @Override 448 public void readyForKeyguardDone() { 449 if (mKeyguardDonePending) { 450 // Somebody has called keyguardDonePending before, which means that we are 451 // authenticated 452 KeyguardViewMediator.this.keyguardDone(true /* authenticated */, true /* wakeUp */); 453 } 454 } 455 456 @Override 457 public void playTrustedSound() { 458 KeyguardViewMediator.this.playTrustedSound(); 459 } 460 }; 461 462 public void userActivity() { 463 mPM.userActivity(SystemClock.uptimeMillis(), false); 464 } 465 466 private void setup() { 467 mPM = (PowerManager) mContext.getSystemService(Context.POWER_SERVICE); 468 mWM = WindowManagerGlobal.getWindowManagerService(); 469 mUserManager = (UserManager) mContext.getSystemService(Context.USER_SERVICE); 470 mShowKeyguardWakeLock = mPM.newWakeLock(PowerManager.PARTIAL_WAKE_LOCK, "show keyguard"); 471 mShowKeyguardWakeLock.setReferenceCounted(false); 472 473 mContext.registerReceiver(mBroadcastReceiver, new IntentFilter(DELAYED_KEYGUARD_ACTION)); 474 475 mKeyguardDisplayManager = new KeyguardDisplayManager(mContext); 476 477 mAlarmManager = (AlarmManager) mContext.getSystemService(Context.ALARM_SERVICE); 478 479 mUpdateMonitor = KeyguardUpdateMonitor.getInstance(mContext); 480 481 mLockPatternUtils = new LockPatternUtils(mContext); 482 mLockPatternUtils.setCurrentUser(UserHandle.USER_OWNER); 483 484 // Assume keyguard is showing (unless it's disabled) until we know for sure... 485 mShowing = (mUpdateMonitor.isDeviceProvisioned() || mLockPatternUtils.isSecure()) 486 && !mLockPatternUtils.isLockScreenDisabled(); 487 488 mStatusBarKeyguardViewManager = new StatusBarKeyguardViewManager(mContext, 489 mViewMediatorCallback, mLockPatternUtils); 490 final ContentResolver cr = mContext.getContentResolver(); 491 492 mScreenOn = mPM.isScreenOn(); 493 494 mLockSounds = new SoundPool(1, AudioManager.STREAM_SYSTEM, 0); 495 String soundPath = Settings.Global.getString(cr, Settings.Global.LOCK_SOUND); 496 if (soundPath != null) { 497 mLockSoundId = mLockSounds.load(soundPath, 1); 498 } 499 if (soundPath == null || mLockSoundId == 0) { 500 Log.w(TAG, "failed to load lock sound from " + soundPath); 501 } 502 soundPath = Settings.Global.getString(cr, Settings.Global.UNLOCK_SOUND); 503 if (soundPath != null) { 504 mUnlockSoundId = mLockSounds.load(soundPath, 1); 505 } 506 if (soundPath == null || mUnlockSoundId == 0) { 507 Log.w(TAG, "failed to load unlock sound from " + soundPath); 508 } 509 soundPath = Settings.Global.getString(cr, Settings.Global.TRUSTED_SOUND); 510 if (soundPath != null) { 511 mTrustedSoundId = mLockSounds.load(soundPath, 1); 512 } 513 if (soundPath == null || mTrustedSoundId == 0) { 514 Log.w(TAG, "failed to load trusted sound from " + soundPath); 515 } 516 517 int lockSoundDefaultAttenuation = mContext.getResources().getInteger( 518 com.android.internal.R.integer.config_lockSoundVolumeDb); 519 mLockSoundVolume = (float)Math.pow(10, (float)lockSoundDefaultAttenuation/20); 520 521 mHideAnimation = AnimationUtils.loadAnimation(mContext, 522 com.android.internal.R.anim.lock_screen_behind_enter); 523 } 524 525 @Override 526 public void start() { 527 setup(); 528 putComponent(KeyguardViewMediator.class, this); 529 } 530 531 /** 532 * Let us know that the system is ready after startup. 533 */ 534 public void onSystemReady() { 535 mSearchManager = (SearchManager) mContext.getSystemService(Context.SEARCH_SERVICE); 536 synchronized (this) { 537 if (DEBUG) Log.d(TAG, "onSystemReady"); 538 mSystemReady = true; 539 mUpdateMonitor.registerCallback(mUpdateCallback); 540 541 // Suppress biometric unlock right after boot until things have settled if it is the 542 // selected security method, otherwise unsuppress it. It must be unsuppressed if it is 543 // not the selected security method for the following reason: if the user starts 544 // without a screen lock selected, the biometric unlock would be suppressed the first 545 // time they try to use it. 546 // 547 // Note that the biometric unlock will still not show if it is not the selected method. 548 // Calling setAlternateUnlockEnabled(true) simply says don't suppress it if it is the 549 // selected method. 550 if (mLockPatternUtils.usingBiometricWeak() 551 && mLockPatternUtils.isBiometricWeakInstalled()) { 552 if (DEBUG) Log.d(TAG, "suppressing biometric unlock during boot"); 553 mUpdateMonitor.setAlternateUnlockEnabled(false); 554 } else { 555 mUpdateMonitor.setAlternateUnlockEnabled(true); 556 } 557 558 doKeyguardLocked(null); 559 } 560 // Most services aren't available until the system reaches the ready state, so we 561 // send it here when the device first boots. 562 maybeSendUserPresentBroadcast(); 563 } 564 565 /** 566 * Called to let us know the screen was turned off. 567 * @param why either {@link android.view.WindowManagerPolicy#OFF_BECAUSE_OF_USER} or 568 * {@link android.view.WindowManagerPolicy#OFF_BECAUSE_OF_TIMEOUT}. 569 */ 570 public void onScreenTurnedOff(int why) { 571 synchronized (this) { 572 mScreenOn = false; 573 if (DEBUG) Log.d(TAG, "onScreenTurnedOff(" + why + ")"); 574 575 mKeyguardDonePending = false; 576 mHideAnimationRun = false; 577 578 // Lock immediately based on setting if secure (user has a pin/pattern/password). 579 // This also "locks" the device when not secure to provide easy access to the 580 // camera while preventing unwanted input. 581 final boolean lockImmediately = 582 mLockPatternUtils.getPowerButtonInstantlyLocks() || !mLockPatternUtils.isSecure(); 583 584 if (mExitSecureCallback != null) { 585 if (DEBUG) Log.d(TAG, "pending exit secure callback cancelled"); 586 try { 587 mExitSecureCallback.onKeyguardExitResult(false); 588 } catch (RemoteException e) { 589 Slog.w(TAG, "Failed to call onKeyguardExitResult(false)", e); 590 } 591 mExitSecureCallback = null; 592 if (!mExternallyEnabled) { 593 hideLocked(); 594 } 595 } else if (mShowing) { 596 notifyScreenOffLocked(); 597 resetStateLocked(); 598 } else if (why == WindowManagerPolicy.OFF_BECAUSE_OF_TIMEOUT 599 || (why == WindowManagerPolicy.OFF_BECAUSE_OF_USER && !lockImmediately)) { 600 doKeyguardLaterLocked(); 601 } else { 602 doKeyguardLocked(null); 603 } 604 } 605 KeyguardUpdateMonitor.getInstance(mContext).dispatchScreenTurndOff(why); 606 } 607 608 private void doKeyguardLaterLocked() { 609 // if the screen turned off because of timeout or the user hit the power button 610 // and we don't need to lock immediately, set an alarm 611 // to enable it a little bit later (i.e, give the user a chance 612 // to turn the screen back on within a certain window without 613 // having to unlock the screen) 614 final ContentResolver cr = mContext.getContentResolver(); 615 616 // From DisplaySettings 617 long displayTimeout = Settings.System.getInt(cr, SCREEN_OFF_TIMEOUT, 618 KEYGUARD_DISPLAY_TIMEOUT_DELAY_DEFAULT); 619 620 // From SecuritySettings 621 final long lockAfterTimeout = Settings.Secure.getInt(cr, 622 Settings.Secure.LOCK_SCREEN_LOCK_AFTER_TIMEOUT, 623 KEYGUARD_LOCK_AFTER_DELAY_DEFAULT); 624 625 // From DevicePolicyAdmin 626 final long policyTimeout = mLockPatternUtils.getDevicePolicyManager() 627 .getMaximumTimeToLock(null, mLockPatternUtils.getCurrentUser()); 628 629 long timeout; 630 if (policyTimeout > 0) { 631 // policy in effect. Make sure we don't go beyond policy limit. 632 displayTimeout = Math.max(displayTimeout, 0); // ignore negative values 633 timeout = Math.min(policyTimeout - displayTimeout, lockAfterTimeout); 634 } else { 635 timeout = lockAfterTimeout; 636 } 637 638 if (timeout <= 0) { 639 // Lock now 640 mSuppressNextLockSound = true; 641 doKeyguardLocked(null); 642 } else { 643 // Lock in the future 644 long when = SystemClock.elapsedRealtime() + timeout; 645 Intent intent = new Intent(DELAYED_KEYGUARD_ACTION); 646 intent.putExtra("seq", mDelayedShowingSequence); 647 PendingIntent sender = PendingIntent.getBroadcast(mContext, 648 0, intent, PendingIntent.FLAG_CANCEL_CURRENT); 649 mAlarmManager.set(AlarmManager.ELAPSED_REALTIME_WAKEUP, when, sender); 650 if (DEBUG) Log.d(TAG, "setting alarm to turn off keyguard, seq = " 651 + mDelayedShowingSequence); 652 } 653 } 654 655 private void cancelDoKeyguardLaterLocked() { 656 mDelayedShowingSequence++; 657 } 658 659 /** 660 * Let's us know the screen was turned on. 661 */ 662 public void onScreenTurnedOn(IKeyguardShowCallback callback) { 663 synchronized (this) { 664 mScreenOn = true; 665 cancelDoKeyguardLaterLocked(); 666 if (DEBUG) Log.d(TAG, "onScreenTurnedOn, seq = " + mDelayedShowingSequence); 667 if (callback != null) { 668 notifyScreenOnLocked(callback); 669 } 670 } 671 KeyguardUpdateMonitor.getInstance(mContext).dispatchScreenTurnedOn(); 672 maybeSendUserPresentBroadcast(); 673 } 674 675 private void maybeSendUserPresentBroadcast() { 676 if (mSystemReady && mLockPatternUtils.isLockScreenDisabled() 677 && !mUserManager.isUserSwitcherEnabled()) { 678 // Lock screen is disabled because the user has set the preference to "None". 679 // In this case, send out ACTION_USER_PRESENT here instead of in 680 // handleKeyguardDone() 681 sendUserPresentBroadcast(); 682 } 683 } 684 685 /** 686 * A dream started. We should lock after the usual screen-off lock timeout but only 687 * if there is a secure lock pattern. 688 */ 689 public void onDreamingStarted() { 690 synchronized (this) { 691 if (mScreenOn && mLockPatternUtils.isSecure()) { 692 doKeyguardLaterLocked(); 693 } 694 } 695 } 696 697 /** 698 * A dream stopped. 699 */ 700 public void onDreamingStopped() { 701 synchronized (this) { 702 if (mScreenOn) { 703 cancelDoKeyguardLaterLocked(); 704 } 705 } 706 } 707 708 /** 709 * Same semantics as {@link android.view.WindowManagerPolicy#enableKeyguard}; provide 710 * a way for external stuff to override normal keyguard behavior. For instance 711 * the phone app disables the keyguard when it receives incoming calls. 712 */ 713 public void setKeyguardEnabled(boolean enabled) { 714 synchronized (this) { 715 if (DEBUG) Log.d(TAG, "setKeyguardEnabled(" + enabled + ")"); 716 717 mExternallyEnabled = enabled; 718 719 if (!enabled && mShowing) { 720 if (mExitSecureCallback != null) { 721 if (DEBUG) Log.d(TAG, "in process of verifyUnlock request, ignoring"); 722 // we're in the process of handling a request to verify the user 723 // can get past the keyguard. ignore extraneous requests to disable / reenable 724 return; 725 } 726 727 // hiding keyguard that is showing, remember to reshow later 728 if (DEBUG) Log.d(TAG, "remembering to reshow, hiding keyguard, " 729 + "disabling status bar expansion"); 730 mNeedToReshowWhenReenabled = true; 731 hideLocked(); 732 } else if (enabled && mNeedToReshowWhenReenabled) { 733 // reenabled after previously hidden, reshow 734 if (DEBUG) Log.d(TAG, "previously hidden, reshowing, reenabling " 735 + "status bar expansion"); 736 mNeedToReshowWhenReenabled = false; 737 738 if (mExitSecureCallback != null) { 739 if (DEBUG) Log.d(TAG, "onKeyguardExitResult(false), resetting"); 740 try { 741 mExitSecureCallback.onKeyguardExitResult(false); 742 } catch (RemoteException e) { 743 Slog.w(TAG, "Failed to call onKeyguardExitResult(false)", e); 744 } 745 mExitSecureCallback = null; 746 resetStateLocked(); 747 } else { 748 showLocked(null); 749 750 // block until we know the keygaurd is done drawing (and post a message 751 // to unblock us after a timeout so we don't risk blocking too long 752 // and causing an ANR). 753 mWaitingUntilKeyguardVisible = true; 754 mHandler.sendEmptyMessageDelayed(KEYGUARD_DONE_DRAWING, KEYGUARD_DONE_DRAWING_TIMEOUT_MS); 755 if (DEBUG) Log.d(TAG, "waiting until mWaitingUntilKeyguardVisible is false"); 756 while (mWaitingUntilKeyguardVisible) { 757 try { 758 wait(); 759 } catch (InterruptedException e) { 760 Thread.currentThread().interrupt(); 761 } 762 } 763 if (DEBUG) Log.d(TAG, "done waiting for mWaitingUntilKeyguardVisible"); 764 } 765 } 766 } 767 } 768 769 /** 770 * @see android.app.KeyguardManager#exitKeyguardSecurely 771 */ 772 public void verifyUnlock(IKeyguardExitCallback callback) { 773 synchronized (this) { 774 if (DEBUG) Log.d(TAG, "verifyUnlock"); 775 if (!mUpdateMonitor.isDeviceProvisioned()) { 776 // don't allow this api when the device isn't provisioned 777 if (DEBUG) Log.d(TAG, "ignoring because device isn't provisioned"); 778 try { 779 callback.onKeyguardExitResult(false); 780 } catch (RemoteException e) { 781 Slog.w(TAG, "Failed to call onKeyguardExitResult(false)", e); 782 } 783 } else if (mExternallyEnabled) { 784 // this only applies when the user has externally disabled the 785 // keyguard. this is unexpected and means the user is not 786 // using the api properly. 787 Log.w(TAG, "verifyUnlock called when not externally disabled"); 788 try { 789 callback.onKeyguardExitResult(false); 790 } catch (RemoteException e) { 791 Slog.w(TAG, "Failed to call onKeyguardExitResult(false)", e); 792 } 793 } else if (mExitSecureCallback != null) { 794 // already in progress with someone else 795 try { 796 callback.onKeyguardExitResult(false); 797 } catch (RemoteException e) { 798 Slog.w(TAG, "Failed to call onKeyguardExitResult(false)", e); 799 } 800 } else { 801 mExitSecureCallback = callback; 802 verifyUnlockLocked(); 803 } 804 } 805 } 806 807 /** 808 * Is the keyguard currently showing? 809 */ 810 public boolean isShowing() { 811 return mShowing; 812 } 813 814 public boolean isOccluded() { 815 return mOccluded; 816 } 817 818 /** 819 * Is the keyguard currently showing and not being force hidden? 820 */ 821 public boolean isShowingAndNotOccluded() { 822 return mShowing && !mOccluded; 823 } 824 825 /** 826 * Notify us when the keyguard is occluded by another window 827 */ 828 public void setOccluded(boolean isOccluded) { 829 if (DEBUG) Log.d(TAG, "setOccluded " + isOccluded); 830 mHandler.removeMessages(SET_OCCLUDED); 831 Message msg = mHandler.obtainMessage(SET_OCCLUDED, (isOccluded ? 1 : 0), 0); 832 mHandler.sendMessage(msg); 833 } 834 835 /** 836 * Handles SET_OCCLUDED message sent by setOccluded() 837 */ 838 private void handleSetOccluded(boolean isOccluded) { 839 synchronized (KeyguardViewMediator.this) { 840 if (mOccluded != isOccluded) { 841 mOccluded = isOccluded; 842 mStatusBarKeyguardViewManager.setOccluded(isOccluded); 843 updateActivityLockScreenState(); 844 adjustStatusBarLocked(); 845 } 846 } 847 } 848 849 /** 850 * Used by PhoneWindowManager to enable the keyguard due to a user activity timeout. 851 * This must be safe to call from any thread and with any window manager locks held. 852 */ 853 public void doKeyguardTimeout(Bundle options) { 854 mHandler.removeMessages(KEYGUARD_TIMEOUT); 855 Message msg = mHandler.obtainMessage(KEYGUARD_TIMEOUT, options); 856 mHandler.sendMessage(msg); 857 } 858 859 /** 860 * Given the state of the keyguard, is the input restricted? 861 * Input is restricted when the keyguard is showing, or when the keyguard 862 * was suppressed by an app that disabled the keyguard or we haven't been provisioned yet. 863 */ 864 public boolean isInputRestricted() { 865 return mShowing || mNeedToReshowWhenReenabled || !mUpdateMonitor.isDeviceProvisioned(); 866 } 867 868 /** 869 * Enable the keyguard if the settings are appropriate. 870 */ 871 private void doKeyguardLocked(Bundle options) { 872 // if another app is disabling us, don't show 873 if (!mExternallyEnabled) { 874 if (DEBUG) Log.d(TAG, "doKeyguard: not showing because externally disabled"); 875 876 // note: we *should* set mNeedToReshowWhenReenabled=true here, but that makes 877 // for an occasional ugly flicker in this situation: 878 // 1) receive a call with the screen on (no keyguard) or make a call 879 // 2) screen times out 880 // 3) user hits key to turn screen back on 881 // instead, we reenable the keyguard when we know the screen is off and the call 882 // ends (see the broadcast receiver below) 883 // TODO: clean this up when we have better support at the window manager level 884 // for apps that wish to be on top of the keyguard 885 return; 886 } 887 888 // if the keyguard is already showing, don't bother 889 if (mStatusBarKeyguardViewManager.isShowing()) { 890 if (DEBUG) Log.d(TAG, "doKeyguard: not showing because it is already showing"); 891 return; 892 } 893 894 // if the setup wizard hasn't run yet, don't show 895 final boolean requireSim = !SystemProperties.getBoolean("keyguard.no_require_sim", 896 false); 897 final boolean provisioned = mUpdateMonitor.isDeviceProvisioned(); 898 final IccCardConstants.State state = mUpdateMonitor.getSimState(); 899 final boolean lockedOrMissing = state.isPinLocked() 900 || ((state == IccCardConstants.State.ABSENT 901 || state == IccCardConstants.State.PERM_DISABLED) 902 && requireSim); 903 904 if (!lockedOrMissing && !provisioned) { 905 if (DEBUG) Log.d(TAG, "doKeyguard: not showing because device isn't provisioned" 906 + " and the sim is not locked or missing"); 907 return; 908 } 909 910 if (mLockPatternUtils.isLockScreenDisabled() && !lockedOrMissing) { 911 if (DEBUG) Log.d(TAG, "doKeyguard: not showing because lockscreen is off"); 912 return; 913 } 914 915 if (mLockPatternUtils.checkVoldPassword()) { 916 if (DEBUG) Log.d(TAG, "Not showing lock screen since just decrypted"); 917 // Without this, settings is not enabled until the lock screen first appears 918 mShowing = false; 919 hideLocked(); 920 return; 921 } 922 923 if (DEBUG) Log.d(TAG, "doKeyguard: showing the lock screen"); 924 showLocked(options); 925 } 926 927 /** 928 * Dismiss the keyguard through the security layers. 929 */ 930 public void handleDismiss() { 931 if (mShowing && !mOccluded) { 932 mStatusBarKeyguardViewManager.dismiss(); 933 } 934 } 935 936 public void dismiss() { 937 mHandler.sendEmptyMessage(DISMISS); 938 } 939 940 /** 941 * Send message to keyguard telling it to reset its state. 942 * @see #handleReset 943 */ 944 private void resetStateLocked() { 945 if (DEBUG) Log.e(TAG, "resetStateLocked"); 946 Message msg = mHandler.obtainMessage(RESET); 947 mHandler.sendMessage(msg); 948 } 949 950 /** 951 * Send message to keyguard telling it to verify unlock 952 * @see #handleVerifyUnlock() 953 */ 954 private void verifyUnlockLocked() { 955 if (DEBUG) Log.d(TAG, "verifyUnlockLocked"); 956 mHandler.sendEmptyMessage(VERIFY_UNLOCK); 957 } 958 959 960 /** 961 * Send a message to keyguard telling it the screen just turned on. 962 * @see #onScreenTurnedOff(int) 963 * @see #handleNotifyScreenOff 964 */ 965 private void notifyScreenOffLocked() { 966 if (DEBUG) Log.d(TAG, "notifyScreenOffLocked"); 967 mHandler.sendEmptyMessage(NOTIFY_SCREEN_OFF); 968 } 969 970 /** 971 * Send a message to keyguard telling it the screen just turned on. 972 * @see #onScreenTurnedOn 973 * @see #handleNotifyScreenOn 974 */ 975 private void notifyScreenOnLocked(IKeyguardShowCallback result) { 976 if (DEBUG) Log.d(TAG, "notifyScreenOnLocked"); 977 Message msg = mHandler.obtainMessage(NOTIFY_SCREEN_ON, result); 978 mHandler.sendMessage(msg); 979 } 980 981 /** 982 * Send message to keyguard telling it to show itself 983 * @see #handleShow 984 */ 985 private void showLocked(Bundle options) { 986 if (DEBUG) Log.d(TAG, "showLocked"); 987 // ensure we stay awake until we are finished displaying the keyguard 988 mShowKeyguardWakeLock.acquire(); 989 Message msg = mHandler.obtainMessage(SHOW, options); 990 mHandler.sendMessage(msg); 991 } 992 993 /** 994 * Send message to keyguard telling it to hide itself 995 * @see #handleHide() 996 */ 997 private void hideLocked() { 998 if (DEBUG) Log.d(TAG, "hideLocked"); 999 Message msg = mHandler.obtainMessage(HIDE); 1000 mHandler.sendMessage(msg); 1001 } 1002 1003 public boolean isSecure() { 1004 return mLockPatternUtils.isSecure() 1005 || KeyguardUpdateMonitor.getInstance(mContext).isSimPinSecure(); 1006 } 1007 1008 /** 1009 * Update the newUserId. Call while holding WindowManagerService lock. 1010 * NOTE: Should only be called by KeyguardViewMediator in response to the user id changing. 1011 * 1012 * @param newUserId The id of the incoming user. 1013 */ 1014 public void setCurrentUser(int newUserId) { 1015 mLockPatternUtils.setCurrentUser(newUserId); 1016 } 1017 1018 private final BroadcastReceiver mBroadcastReceiver = new BroadcastReceiver() { 1019 @Override 1020 public void onReceive(Context context, Intent intent) { 1021 if (DELAYED_KEYGUARD_ACTION.equals(intent.getAction())) { 1022 final int sequence = intent.getIntExtra("seq", 0); 1023 if (DEBUG) Log.d(TAG, "received DELAYED_KEYGUARD_ACTION with seq = " 1024 + sequence + ", mDelayedShowingSequence = " + mDelayedShowingSequence); 1025 synchronized (KeyguardViewMediator.this) { 1026 if (mDelayedShowingSequence == sequence) { 1027 // Don't play lockscreen SFX if the screen went off due to timeout. 1028 mSuppressNextLockSound = true; 1029 doKeyguardLocked(null); 1030 } 1031 } 1032 } 1033 } 1034 }; 1035 1036 public void keyguardDone(boolean authenticated, boolean wakeup) { 1037 if (DEBUG) Log.d(TAG, "keyguardDone(" + authenticated + ")"); 1038 EventLog.writeEvent(70000, 2); 1039 synchronized (this) { 1040 mKeyguardDonePending = false; 1041 } 1042 Message msg = mHandler.obtainMessage(KEYGUARD_DONE, authenticated ? 1 : 0, wakeup ? 1 : 0); 1043 mHandler.sendMessage(msg); 1044 } 1045 1046 /** 1047 * This handler will be associated with the policy thread, which will also 1048 * be the UI thread of the keyguard. Since the apis of the policy, and therefore 1049 * this class, can be called by other threads, any action that directly 1050 * interacts with the keyguard ui should be posted to this handler, rather 1051 * than called directly. 1052 */ 1053 private Handler mHandler = new Handler(Looper.myLooper(), null, true /*async*/) { 1054 @Override 1055 public void handleMessage(Message msg) { 1056 switch (msg.what) { 1057 case SHOW: 1058 handleShow((Bundle) msg.obj); 1059 break; 1060 case HIDE: 1061 handleHide(); 1062 break; 1063 case RESET: 1064 handleReset(); 1065 break; 1066 case VERIFY_UNLOCK: 1067 handleVerifyUnlock(); 1068 break; 1069 case NOTIFY_SCREEN_OFF: 1070 handleNotifyScreenOff(); 1071 break; 1072 case NOTIFY_SCREEN_ON: 1073 handleNotifyScreenOn((IKeyguardShowCallback) msg.obj); 1074 break; 1075 case KEYGUARD_DONE: 1076 handleKeyguardDone(msg.arg1 != 0, msg.arg2 != 0); 1077 break; 1078 case KEYGUARD_DONE_DRAWING: 1079 handleKeyguardDoneDrawing(); 1080 break; 1081 case KEYGUARD_DONE_AUTHENTICATING: 1082 keyguardDone(true, true); 1083 break; 1084 case SET_OCCLUDED: 1085 handleSetOccluded(msg.arg1 != 0); 1086 break; 1087 case KEYGUARD_TIMEOUT: 1088 synchronized (KeyguardViewMediator.this) { 1089 doKeyguardLocked((Bundle) msg.obj); 1090 } 1091 break; 1092 case DISMISS: 1093 handleDismiss(); 1094 break; 1095 case START_KEYGUARD_EXIT_ANIM: 1096 StartKeyguardExitAnimParams params = (StartKeyguardExitAnimParams) msg.obj; 1097 handleStartKeyguardExitAnimation(params.startTime, params.fadeoutDuration); 1098 break; 1099 case ON_ACTIVITY_DRAWN: 1100 handleOnActivityDrawn(); 1101 break; 1102 } 1103 } 1104 }; 1105 1106 /** 1107 * @see #keyguardDone 1108 * @see #KEYGUARD_DONE 1109 */ 1110 private void handleKeyguardDone(boolean authenticated, boolean wakeup) { 1111 if (DEBUG) Log.d(TAG, "handleKeyguardDone"); 1112 1113 if (authenticated) { 1114 mUpdateMonitor.clearFailedUnlockAttempts(); 1115 } 1116 mUpdateMonitor.clearFingerprintRecognized(); 1117 1118 if (mExitSecureCallback != null) { 1119 try { 1120 mExitSecureCallback.onKeyguardExitResult(authenticated); 1121 } catch (RemoteException e) { 1122 Slog.w(TAG, "Failed to call onKeyguardExitResult(" + authenticated + ")", e); 1123 } 1124 1125 mExitSecureCallback = null; 1126 1127 if (authenticated) { 1128 // after succesfully exiting securely, no need to reshow 1129 // the keyguard when they've released the lock 1130 mExternallyEnabled = true; 1131 mNeedToReshowWhenReenabled = false; 1132 } 1133 } 1134 1135 handleHide(); 1136 sendUserPresentBroadcast(); 1137 } 1138 1139 private void sendUserPresentBroadcast() { 1140 final UserHandle currentUser = new UserHandle(mLockPatternUtils.getCurrentUser()); 1141 mContext.sendBroadcastAsUser(USER_PRESENT_INTENT, currentUser); 1142 } 1143 1144 /** 1145 * @see #keyguardDone 1146 * @see #KEYGUARD_DONE_DRAWING 1147 */ 1148 private void handleKeyguardDoneDrawing() { 1149 synchronized(this) { 1150 if (DEBUG) Log.d(TAG, "handleKeyguardDoneDrawing"); 1151 if (mWaitingUntilKeyguardVisible) { 1152 if (DEBUG) Log.d(TAG, "handleKeyguardDoneDrawing: notifying mWaitingUntilKeyguardVisible"); 1153 mWaitingUntilKeyguardVisible = false; 1154 notifyAll(); 1155 1156 // there will usually be two of these sent, one as a timeout, and one 1157 // as a result of the callback, so remove any remaining messages from 1158 // the queue 1159 mHandler.removeMessages(KEYGUARD_DONE_DRAWING); 1160 } 1161 } 1162 } 1163 1164 private void playSounds(boolean locked) { 1165 // User feedback for keyguard. 1166 1167 if (mSuppressNextLockSound) { 1168 mSuppressNextLockSound = false; 1169 return; 1170 } 1171 1172 playSound(locked ? mLockSoundId : mUnlockSoundId); 1173 } 1174 1175 private void playSound(int soundId) { 1176 if (soundId == 0) return; 1177 final ContentResolver cr = mContext.getContentResolver(); 1178 if (Settings.System.getInt(cr, Settings.System.LOCKSCREEN_SOUNDS_ENABLED, 1) == 1) { 1179 1180 mLockSounds.stop(mLockSoundStreamId); 1181 // Init mAudioManager 1182 if (mAudioManager == null) { 1183 mAudioManager = (AudioManager) mContext.getSystemService(Context.AUDIO_SERVICE); 1184 if (mAudioManager == null) return; 1185 mMasterStreamType = mAudioManager.getMasterStreamType(); 1186 } 1187 // If the stream is muted, don't play the sound 1188 if (mAudioManager.isStreamMute(mMasterStreamType)) return; 1189 1190 mLockSoundStreamId = mLockSounds.play(soundId, 1191 mLockSoundVolume, mLockSoundVolume, 1/*priortiy*/, 0/*loop*/, 1.0f/*rate*/); 1192 } 1193 } 1194 1195 private void playTrustedSound() { 1196 if (mSuppressNextLockSound) { 1197 return; 1198 } 1199 playSound(mTrustedSoundId); 1200 } 1201 1202 private void updateActivityLockScreenState() { 1203 try { 1204 ActivityManagerNative.getDefault().setLockScreenShown(mShowing && !mOccluded); 1205 } catch (RemoteException e) { 1206 } 1207 } 1208 1209 /** 1210 * Handle message sent by {@link #showLocked}. 1211 * @see #SHOW 1212 */ 1213 private void handleShow(Bundle options) { 1214 synchronized (KeyguardViewMediator.this) { 1215 if (!mSystemReady) { 1216 if (DEBUG) Log.d(TAG, "ignoring handleShow because system is not ready."); 1217 return; 1218 } else { 1219 if (DEBUG) Log.d(TAG, "handleShow"); 1220 } 1221 1222 mStatusBarKeyguardViewManager.show(options); 1223 mHiding = false; 1224 mShowing = true; 1225 mKeyguardDonePending = false; 1226 mHideAnimationRun = false; 1227 updateActivityLockScreenState(); 1228 adjustStatusBarLocked(); 1229 userActivity(); 1230 1231 // Do this at the end to not slow down display of the keyguard. 1232 playSounds(true); 1233 1234 mShowKeyguardWakeLock.release(); 1235 } 1236 mKeyguardDisplayManager.show(); 1237 } 1238 1239 private final Runnable mKeyguardGoingAwayRunnable = new Runnable() { 1240 @Override 1241 public void run() { 1242 try { 1243 // Don't actually hide the Keyguard at the moment, wait for window 1244 // manager until it tells us it's safe to do so with 1245 // startKeyguardExitAnimation. 1246 mWM.keyguardGoingAway( 1247 mStatusBarKeyguardViewManager.shouldDisableWindowAnimationsForUnlock(), 1248 mStatusBarKeyguardViewManager.isGoingToNotificationShade()); 1249 } catch (RemoteException e) { 1250 Log.e(TAG, "Error while calling WindowManager", e); 1251 } 1252 } 1253 }; 1254 1255 /** 1256 * Handle message sent by {@link #hideLocked()} 1257 * @see #HIDE 1258 */ 1259 private void handleHide() { 1260 synchronized (KeyguardViewMediator.this) { 1261 if (DEBUG) Log.d(TAG, "handleHide"); 1262 1263 mHiding = true; 1264 if (mShowing && !mOccluded) { 1265 if (!mHideAnimationRun) { 1266 mStatusBarKeyguardViewManager.startPreHideAnimation(mKeyguardGoingAwayRunnable); 1267 } else { 1268 mKeyguardGoingAwayRunnable.run(); 1269 } 1270 } else { 1271 1272 // Don't try to rely on WindowManager - if Keyguard wasn't showing, window 1273 // manager won't start the exit animation. 1274 handleStartKeyguardExitAnimation( 1275 SystemClock.uptimeMillis() + mHideAnimation.getStartOffset(), 1276 mHideAnimation.getDuration()); 1277 } 1278 } 1279 } 1280 1281 private void handleOnActivityDrawn() { 1282 if (mKeyguardDonePending) { 1283 mStatusBarKeyguardViewManager.onActivityDrawn(); 1284 } 1285 } 1286 1287 private void handleStartKeyguardExitAnimation(long startTime, long fadeoutDuration) { 1288 synchronized (KeyguardViewMediator.this) { 1289 1290 if (!mHiding) { 1291 return; 1292 } 1293 mHiding = false; 1294 1295 // only play "unlock" noises if not on a call (since the incall UI 1296 // disables the keyguard) 1297 if (TelephonyManager.EXTRA_STATE_IDLE.equals(mPhoneState)) { 1298 playSounds(false); 1299 } 1300 1301 mStatusBarKeyguardViewManager.hide(startTime, fadeoutDuration); 1302 mShowing = false; 1303 mKeyguardDonePending = false; 1304 mHideAnimationRun = false; 1305 updateActivityLockScreenState(); 1306 adjustStatusBarLocked(); 1307 } 1308 } 1309 1310 private void adjustStatusBarLocked() { 1311 if (mStatusBarManager == null) { 1312 mStatusBarManager = (StatusBarManager) 1313 mContext.getSystemService(Context.STATUS_BAR_SERVICE); 1314 } 1315 if (mStatusBarManager == null) { 1316 Log.w(TAG, "Could not get status bar manager"); 1317 } else { 1318 // Disable aspects of the system/status/navigation bars that must not be re-enabled by 1319 // windows that appear on top, ever 1320 int flags = StatusBarManager.DISABLE_NONE; 1321 if (mShowing) { 1322 // Permanently disable components not available when keyguard is enabled 1323 // (like recents). Temporary enable/disable (e.g. the "back" button) are 1324 // done in KeyguardHostView. 1325 flags |= StatusBarManager.DISABLE_RECENT; 1326 flags |= StatusBarManager.DISABLE_SEARCH; 1327 } 1328 if (isShowingAndNotOccluded()) { 1329 flags |= StatusBarManager.DISABLE_HOME; 1330 } 1331 1332 if (DEBUG) { 1333 Log.d(TAG, "adjustStatusBarLocked: mShowing=" + mShowing + " mOccluded=" + mOccluded 1334 + " isSecure=" + isSecure() + " --> flags=0x" + Integer.toHexString(flags)); 1335 } 1336 1337 if (!(mContext instanceof Activity)) { 1338 mStatusBarManager.disable(flags); 1339 } 1340 } 1341 } 1342 1343 /** 1344 * Handle message sent by {@link #resetStateLocked} 1345 * @see #RESET 1346 */ 1347 private void handleReset() { 1348 synchronized (KeyguardViewMediator.this) { 1349 if (DEBUG) Log.d(TAG, "handleReset"); 1350 mStatusBarKeyguardViewManager.reset(); 1351 } 1352 } 1353 1354 /** 1355 * Handle message sent by {@link #verifyUnlock} 1356 * @see #VERIFY_UNLOCK 1357 */ 1358 private void handleVerifyUnlock() { 1359 synchronized (KeyguardViewMediator.this) { 1360 if (DEBUG) Log.d(TAG, "handleVerifyUnlock"); 1361 mStatusBarKeyguardViewManager.verifyUnlock(); 1362 mShowing = true; 1363 updateActivityLockScreenState(); 1364 } 1365 } 1366 1367 /** 1368 * Handle message sent by {@link #notifyScreenOffLocked()} 1369 * @see #NOTIFY_SCREEN_OFF 1370 */ 1371 private void handleNotifyScreenOff() { 1372 synchronized (KeyguardViewMediator.this) { 1373 if (DEBUG) Log.d(TAG, "handleNotifyScreenOff"); 1374 mStatusBarKeyguardViewManager.onScreenTurnedOff(); 1375 } 1376 } 1377 1378 /** 1379 * Handle message sent by {@link #notifyScreenOnLocked} 1380 * @see #NOTIFY_SCREEN_ON 1381 */ 1382 private void handleNotifyScreenOn(IKeyguardShowCallback callback) { 1383 synchronized (KeyguardViewMediator.this) { 1384 if (DEBUG) Log.d(TAG, "handleNotifyScreenOn"); 1385 mStatusBarKeyguardViewManager.onScreenTurnedOn(callback); 1386 } 1387 } 1388 1389 public boolean isDismissable() { 1390 return mKeyguardDonePending || !isSecure(); 1391 } 1392 1393 private boolean isAssistantAvailable() { 1394 return mSearchManager != null 1395 && mSearchManager.getAssistIntent(mContext, false, UserHandle.USER_CURRENT) != null; 1396 } 1397 1398 public void onBootCompleted() { 1399 mUpdateMonitor.dispatchBootCompleted(); 1400 } 1401 1402 public StatusBarKeyguardViewManager registerStatusBar(PhoneStatusBar phoneStatusBar, 1403 ViewGroup container, StatusBarWindowManager statusBarWindowManager, 1404 ScrimController scrimController) { 1405 mStatusBarKeyguardViewManager.registerStatusBar(phoneStatusBar, container, 1406 statusBarWindowManager, scrimController); 1407 return mStatusBarKeyguardViewManager; 1408 } 1409 1410 public void startKeyguardExitAnimation(long startTime, long fadeoutDuration) { 1411 Message msg = mHandler.obtainMessage(START_KEYGUARD_EXIT_ANIM, 1412 new StartKeyguardExitAnimParams(startTime, fadeoutDuration)); 1413 mHandler.sendMessage(msg); 1414 } 1415 1416 public void onActivityDrawn() { 1417 mHandler.sendEmptyMessage(ON_ACTIVITY_DRAWN); 1418 } 1419 public ViewMediatorCallback getViewMediatorCallback() { 1420 return mViewMediatorCallback; 1421 } 1422 1423 private static class StartKeyguardExitAnimParams { 1424 1425 long startTime; 1426 long fadeoutDuration; 1427 1428 private StartKeyguardExitAnimParams(long startTime, long fadeoutDuration) { 1429 this.startTime = startTime; 1430 this.fadeoutDuration = fadeoutDuration; 1431 } 1432 } 1433} 1434