KeyguardViewMediator.java revision 8de4311c51229efbe2f2d0afbf298982c5cadd96
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 mLockSoundStreamId; 266 267 /** 268 * The animation used for hiding keyguard. This is used to fetch the animation timings if 269 * WindowManager is not providing us with them. 270 */ 271 private Animation mHideAnimation; 272 273 /** 274 * The volume applied to the lock/unlock sounds. 275 */ 276 private float mLockSoundVolume; 277 278 /** 279 * For managing external displays 280 */ 281 private KeyguardDisplayManager mKeyguardDisplayManager; 282 283 KeyguardUpdateMonitorCallback mUpdateCallback = new KeyguardUpdateMonitorCallback() { 284 285 @Override 286 public void onUserSwitching(int userId) { 287 // Note that the mLockPatternUtils user has already been updated from setCurrentUser. 288 // We need to force a reset of the views, since lockNow (called by 289 // ActivityManagerService) will not reconstruct the keyguard if it is already showing. 290 synchronized (KeyguardViewMediator.this) { 291 mSwitchingUser = true; 292 mKeyguardDonePending = false; 293 resetStateLocked(); 294 adjustStatusBarLocked(); 295 // When we switch users we want to bring the new user to the biometric unlock even 296 // if the current user has gone to the backup. 297 KeyguardUpdateMonitor.getInstance(mContext).setAlternateUnlockEnabled(true); 298 } 299 } 300 301 @Override 302 public void onUserSwitchComplete(int userId) { 303 mSwitchingUser = false; 304 } 305 306 @Override 307 public void onUserRemoved(int userId) { 308 mLockPatternUtils.removeUser(userId); 309 MultiUserAvatarCache.getInstance().clear(userId); 310 } 311 312 @Override 313 public void onUserInfoChanged(int userId) { 314 MultiUserAvatarCache.getInstance().clear(userId); 315 } 316 317 @Override 318 public void onPhoneStateChanged(int phoneState) { 319 synchronized (KeyguardViewMediator.this) { 320 if (TelephonyManager.CALL_STATE_IDLE == phoneState // call ending 321 && !mScreenOn // screen off 322 && mExternallyEnabled) { // not disabled by any app 323 324 // note: this is a way to gracefully reenable the keyguard when the call 325 // ends and the screen is off without always reenabling the keyguard 326 // each time the screen turns off while in call (and having an occasional ugly 327 // flicker while turning back on the screen and disabling the keyguard again). 328 if (DEBUG) Log.d(TAG, "screen is off and call ended, let's make sure the " 329 + "keyguard is showing"); 330 doKeyguardLocked(null); 331 } 332 } 333 } 334 335 @Override 336 public void onClockVisibilityChanged() { 337 adjustStatusBarLocked(); 338 } 339 340 @Override 341 public void onDeviceProvisioned() { 342 sendUserPresentBroadcast(); 343 } 344 345 @Override 346 public void onSimStateChanged(IccCardConstants.State simState) { 347 if (DEBUG) Log.d(TAG, "onSimStateChanged: " + simState); 348 349 switch (simState) { 350 case NOT_READY: 351 case ABSENT: 352 // only force lock screen in case of missing sim if user hasn't 353 // gone through setup wizard 354 synchronized (this) { 355 if (!mUpdateMonitor.isDeviceProvisioned()) { 356 if (!isShowing()) { 357 if (DEBUG) Log.d(TAG, "ICC_ABSENT isn't showing," 358 + " we need to show the keyguard since the " 359 + "device isn't provisioned yet."); 360 doKeyguardLocked(null); 361 } else { 362 resetStateLocked(); 363 } 364 } 365 } 366 break; 367 case PIN_REQUIRED: 368 case PUK_REQUIRED: 369 synchronized (this) { 370 if (!isShowing()) { 371 if (DEBUG) Log.d(TAG, "INTENT_VALUE_ICC_LOCKED and keygaurd isn't " 372 + "showing; need to show keyguard so user can enter sim pin"); 373 doKeyguardLocked(null); 374 } else { 375 resetStateLocked(); 376 } 377 } 378 break; 379 case PERM_DISABLED: 380 synchronized (this) { 381 if (!isShowing()) { 382 if (DEBUG) Log.d(TAG, "PERM_DISABLED and " 383 + "keygaurd isn't showing."); 384 doKeyguardLocked(null); 385 } else { 386 if (DEBUG) Log.d(TAG, "PERM_DISABLED, resetStateLocked to" 387 + "show permanently disabled message in lockscreen."); 388 resetStateLocked(); 389 } 390 } 391 break; 392 case READY: 393 synchronized (this) { 394 if (isShowing()) { 395 resetStateLocked(); 396 } 397 } 398 break; 399 } 400 } 401 402 public void onFingerprintRecognized(int userId) { 403 if (mStatusBarKeyguardViewManager.isBouncerShowing()) { 404 mViewMediatorCallback.keyguardDone(true); 405 } 406 }; 407 408 }; 409 410 ViewMediatorCallback mViewMediatorCallback = new ViewMediatorCallback() { 411 412 public void userActivity() { 413 KeyguardViewMediator.this.userActivity(); 414 } 415 416 public void keyguardDone(boolean authenticated) { 417 KeyguardViewMediator.this.keyguardDone(authenticated, true); 418 } 419 420 public void keyguardDoneDrawing() { 421 mHandler.sendEmptyMessage(KEYGUARD_DONE_DRAWING); 422 } 423 424 @Override 425 public void setNeedsInput(boolean needsInput) { 426 mStatusBarKeyguardViewManager.setNeedsInput(needsInput); 427 } 428 429 @Override 430 public void onUserActivityTimeoutChanged() { 431 mStatusBarKeyguardViewManager.updateUserActivityTimeout(); 432 } 433 434 @Override 435 public void keyguardDonePending() { 436 mKeyguardDonePending = true; 437 mHideAnimationRun = true; 438 mStatusBarKeyguardViewManager.startPreHideAnimation(null /* finishRunnable */); 439 } 440 441 @Override 442 public void keyguardGone() { 443 mKeyguardDisplayManager.hide(); 444 } 445 446 @Override 447 public void readyForKeyguardDone() { 448 if (mKeyguardDonePending) { 449 // Somebody has called keyguardDonePending before, which means that we are 450 // authenticated 451 KeyguardViewMediator.this.keyguardDone(true /* authenticated */, true /* wakeUp */); 452 } 453 } 454 }; 455 456 public void userActivity() { 457 mPM.userActivity(SystemClock.uptimeMillis(), false); 458 } 459 460 private void setup() { 461 mPM = (PowerManager) mContext.getSystemService(Context.POWER_SERVICE); 462 mWM = WindowManagerGlobal.getWindowManagerService(); 463 mUserManager = (UserManager) mContext.getSystemService(Context.USER_SERVICE); 464 mShowKeyguardWakeLock = mPM.newWakeLock(PowerManager.PARTIAL_WAKE_LOCK, "show keyguard"); 465 mShowKeyguardWakeLock.setReferenceCounted(false); 466 467 mContext.registerReceiver(mBroadcastReceiver, new IntentFilter(DELAYED_KEYGUARD_ACTION)); 468 469 mKeyguardDisplayManager = new KeyguardDisplayManager(mContext); 470 471 mAlarmManager = (AlarmManager) mContext.getSystemService(Context.ALARM_SERVICE); 472 473 mUpdateMonitor = KeyguardUpdateMonitor.getInstance(mContext); 474 475 mLockPatternUtils = new LockPatternUtils(mContext); 476 mLockPatternUtils.setCurrentUser(UserHandle.USER_OWNER); 477 478 // Assume keyguard is showing (unless it's disabled) until we know for sure... 479 mShowing = (mUpdateMonitor.isDeviceProvisioned() || mLockPatternUtils.isSecure()) 480 && !mLockPatternUtils.isLockScreenDisabled(); 481 482 mStatusBarKeyguardViewManager = new StatusBarKeyguardViewManager(mContext, 483 mViewMediatorCallback, mLockPatternUtils); 484 final ContentResolver cr = mContext.getContentResolver(); 485 486 mScreenOn = mPM.isScreenOn(); 487 488 mLockSounds = new SoundPool(1, AudioManager.STREAM_SYSTEM, 0); 489 String soundPath = Settings.Global.getString(cr, Settings.Global.LOCK_SOUND); 490 if (soundPath != null) { 491 mLockSoundId = mLockSounds.load(soundPath, 1); 492 } 493 if (soundPath == null || mLockSoundId == 0) { 494 Log.w(TAG, "failed to load lock sound from " + soundPath); 495 } 496 soundPath = Settings.Global.getString(cr, Settings.Global.UNLOCK_SOUND); 497 if (soundPath != null) { 498 mUnlockSoundId = mLockSounds.load(soundPath, 1); 499 } 500 if (soundPath == null || mUnlockSoundId == 0) { 501 Log.w(TAG, "failed to load unlock sound from " + soundPath); 502 } 503 int lockSoundDefaultAttenuation = mContext.getResources().getInteger( 504 com.android.internal.R.integer.config_lockSoundVolumeDb); 505 mLockSoundVolume = (float)Math.pow(10, (float)lockSoundDefaultAttenuation/20); 506 507 mHideAnimation = AnimationUtils.loadAnimation(mContext, 508 com.android.internal.R.anim.lock_screen_behind_enter); 509 } 510 511 @Override 512 public void start() { 513 setup(); 514 putComponent(KeyguardViewMediator.class, this); 515 } 516 517 /** 518 * Let us know that the system is ready after startup. 519 */ 520 public void onSystemReady() { 521 mSearchManager = (SearchManager) mContext.getSystemService(Context.SEARCH_SERVICE); 522 synchronized (this) { 523 if (DEBUG) Log.d(TAG, "onSystemReady"); 524 mSystemReady = true; 525 mUpdateMonitor.registerCallback(mUpdateCallback); 526 527 // Suppress biometric unlock right after boot until things have settled if it is the 528 // selected security method, otherwise unsuppress it. It must be unsuppressed if it is 529 // not the selected security method for the following reason: if the user starts 530 // without a screen lock selected, the biometric unlock would be suppressed the first 531 // time they try to use it. 532 // 533 // Note that the biometric unlock will still not show if it is not the selected method. 534 // Calling setAlternateUnlockEnabled(true) simply says don't suppress it if it is the 535 // selected method. 536 if (mLockPatternUtils.usingBiometricWeak() 537 && mLockPatternUtils.isBiometricWeakInstalled()) { 538 if (DEBUG) Log.d(TAG, "suppressing biometric unlock during boot"); 539 mUpdateMonitor.setAlternateUnlockEnabled(false); 540 } else { 541 mUpdateMonitor.setAlternateUnlockEnabled(true); 542 } 543 544 doKeyguardLocked(null); 545 } 546 // Most services aren't available until the system reaches the ready state, so we 547 // send it here when the device first boots. 548 maybeSendUserPresentBroadcast(); 549 } 550 551 /** 552 * Called to let us know the screen was turned off. 553 * @param why either {@link android.view.WindowManagerPolicy#OFF_BECAUSE_OF_USER} or 554 * {@link android.view.WindowManagerPolicy#OFF_BECAUSE_OF_TIMEOUT}. 555 */ 556 public void onScreenTurnedOff(int why) { 557 synchronized (this) { 558 mScreenOn = false; 559 if (DEBUG) Log.d(TAG, "onScreenTurnedOff(" + why + ")"); 560 561 mKeyguardDonePending = false; 562 mHideAnimationRun = false; 563 564 // Lock immediately based on setting if secure (user has a pin/pattern/password). 565 // This also "locks" the device when not secure to provide easy access to the 566 // camera while preventing unwanted input. 567 final boolean lockImmediately = 568 mLockPatternUtils.getPowerButtonInstantlyLocks() || !mLockPatternUtils.isSecure(); 569 570 if (mExitSecureCallback != null) { 571 if (DEBUG) Log.d(TAG, "pending exit secure callback cancelled"); 572 try { 573 mExitSecureCallback.onKeyguardExitResult(false); 574 } catch (RemoteException e) { 575 Slog.w(TAG, "Failed to call onKeyguardExitResult(false)", e); 576 } 577 mExitSecureCallback = null; 578 if (!mExternallyEnabled) { 579 hideLocked(); 580 } 581 } else if (mShowing) { 582 notifyScreenOffLocked(); 583 resetStateLocked(); 584 } else if (why == WindowManagerPolicy.OFF_BECAUSE_OF_TIMEOUT 585 || (why == WindowManagerPolicy.OFF_BECAUSE_OF_USER && !lockImmediately)) { 586 doKeyguardLaterLocked(); 587 } else { 588 doKeyguardLocked(null); 589 } 590 } 591 KeyguardUpdateMonitor.getInstance(mContext).dispatchScreenTurndOff(why); 592 } 593 594 private void doKeyguardLaterLocked() { 595 // if the screen turned off because of timeout or the user hit the power button 596 // and we don't need to lock immediately, set an alarm 597 // to enable it a little bit later (i.e, give the user a chance 598 // to turn the screen back on within a certain window without 599 // having to unlock the screen) 600 final ContentResolver cr = mContext.getContentResolver(); 601 602 // From DisplaySettings 603 long displayTimeout = Settings.System.getInt(cr, SCREEN_OFF_TIMEOUT, 604 KEYGUARD_DISPLAY_TIMEOUT_DELAY_DEFAULT); 605 606 // From SecuritySettings 607 final long lockAfterTimeout = Settings.Secure.getInt(cr, 608 Settings.Secure.LOCK_SCREEN_LOCK_AFTER_TIMEOUT, 609 KEYGUARD_LOCK_AFTER_DELAY_DEFAULT); 610 611 // From DevicePolicyAdmin 612 final long policyTimeout = mLockPatternUtils.getDevicePolicyManager() 613 .getMaximumTimeToLock(null, mLockPatternUtils.getCurrentUser()); 614 615 long timeout; 616 if (policyTimeout > 0) { 617 // policy in effect. Make sure we don't go beyond policy limit. 618 displayTimeout = Math.max(displayTimeout, 0); // ignore negative values 619 timeout = Math.min(policyTimeout - displayTimeout, lockAfterTimeout); 620 } else { 621 timeout = lockAfterTimeout; 622 } 623 624 if (timeout <= 0) { 625 // Lock now 626 mSuppressNextLockSound = true; 627 doKeyguardLocked(null); 628 } else { 629 // Lock in the future 630 long when = SystemClock.elapsedRealtime() + timeout; 631 Intent intent = new Intent(DELAYED_KEYGUARD_ACTION); 632 intent.putExtra("seq", mDelayedShowingSequence); 633 PendingIntent sender = PendingIntent.getBroadcast(mContext, 634 0, intent, PendingIntent.FLAG_CANCEL_CURRENT); 635 mAlarmManager.set(AlarmManager.ELAPSED_REALTIME_WAKEUP, when, sender); 636 if (DEBUG) Log.d(TAG, "setting alarm to turn off keyguard, seq = " 637 + mDelayedShowingSequence); 638 } 639 } 640 641 private void cancelDoKeyguardLaterLocked() { 642 mDelayedShowingSequence++; 643 } 644 645 /** 646 * Let's us know the screen was turned on. 647 */ 648 public void onScreenTurnedOn(IKeyguardShowCallback callback) { 649 synchronized (this) { 650 mScreenOn = true; 651 cancelDoKeyguardLaterLocked(); 652 if (DEBUG) Log.d(TAG, "onScreenTurnedOn, seq = " + mDelayedShowingSequence); 653 if (callback != null) { 654 notifyScreenOnLocked(callback); 655 } 656 } 657 KeyguardUpdateMonitor.getInstance(mContext).dispatchScreenTurnedOn(); 658 maybeSendUserPresentBroadcast(); 659 } 660 661 private void maybeSendUserPresentBroadcast() { 662 if (mSystemReady && mLockPatternUtils.isLockScreenDisabled() 663 && !mUserManager.isUserSwitcherEnabled()) { 664 // Lock screen is disabled because the user has set the preference to "None". 665 // In this case, send out ACTION_USER_PRESENT here instead of in 666 // handleKeyguardDone() 667 sendUserPresentBroadcast(); 668 } 669 } 670 671 /** 672 * A dream started. We should lock after the usual screen-off lock timeout but only 673 * if there is a secure lock pattern. 674 */ 675 public void onDreamingStarted() { 676 synchronized (this) { 677 if (mScreenOn && mLockPatternUtils.isSecure()) { 678 doKeyguardLaterLocked(); 679 } 680 } 681 } 682 683 /** 684 * A dream stopped. 685 */ 686 public void onDreamingStopped() { 687 synchronized (this) { 688 if (mScreenOn) { 689 cancelDoKeyguardLaterLocked(); 690 } 691 } 692 } 693 694 /** 695 * Same semantics as {@link android.view.WindowManagerPolicy#enableKeyguard}; provide 696 * a way for external stuff to override normal keyguard behavior. For instance 697 * the phone app disables the keyguard when it receives incoming calls. 698 */ 699 public void setKeyguardEnabled(boolean enabled) { 700 synchronized (this) { 701 if (DEBUG) Log.d(TAG, "setKeyguardEnabled(" + enabled + ")"); 702 703 mExternallyEnabled = enabled; 704 705 if (!enabled && mShowing) { 706 if (mExitSecureCallback != null) { 707 if (DEBUG) Log.d(TAG, "in process of verifyUnlock request, ignoring"); 708 // we're in the process of handling a request to verify the user 709 // can get past the keyguard. ignore extraneous requests to disable / reenable 710 return; 711 } 712 713 // hiding keyguard that is showing, remember to reshow later 714 if (DEBUG) Log.d(TAG, "remembering to reshow, hiding keyguard, " 715 + "disabling status bar expansion"); 716 mNeedToReshowWhenReenabled = true; 717 hideLocked(); 718 } else if (enabled && mNeedToReshowWhenReenabled) { 719 // reenabled after previously hidden, reshow 720 if (DEBUG) Log.d(TAG, "previously hidden, reshowing, reenabling " 721 + "status bar expansion"); 722 mNeedToReshowWhenReenabled = false; 723 724 if (mExitSecureCallback != null) { 725 if (DEBUG) Log.d(TAG, "onKeyguardExitResult(false), resetting"); 726 try { 727 mExitSecureCallback.onKeyguardExitResult(false); 728 } catch (RemoteException e) { 729 Slog.w(TAG, "Failed to call onKeyguardExitResult(false)", e); 730 } 731 mExitSecureCallback = null; 732 resetStateLocked(); 733 } else { 734 showLocked(null); 735 736 // block until we know the keygaurd is done drawing (and post a message 737 // to unblock us after a timeout so we don't risk blocking too long 738 // and causing an ANR). 739 mWaitingUntilKeyguardVisible = true; 740 mHandler.sendEmptyMessageDelayed(KEYGUARD_DONE_DRAWING, KEYGUARD_DONE_DRAWING_TIMEOUT_MS); 741 if (DEBUG) Log.d(TAG, "waiting until mWaitingUntilKeyguardVisible is false"); 742 while (mWaitingUntilKeyguardVisible) { 743 try { 744 wait(); 745 } catch (InterruptedException e) { 746 Thread.currentThread().interrupt(); 747 } 748 } 749 if (DEBUG) Log.d(TAG, "done waiting for mWaitingUntilKeyguardVisible"); 750 } 751 } 752 } 753 } 754 755 /** 756 * @see android.app.KeyguardManager#exitKeyguardSecurely 757 */ 758 public void verifyUnlock(IKeyguardExitCallback callback) { 759 synchronized (this) { 760 if (DEBUG) Log.d(TAG, "verifyUnlock"); 761 if (!mUpdateMonitor.isDeviceProvisioned()) { 762 // don't allow this api when the device isn't provisioned 763 if (DEBUG) Log.d(TAG, "ignoring because device isn't provisioned"); 764 try { 765 callback.onKeyguardExitResult(false); 766 } catch (RemoteException e) { 767 Slog.w(TAG, "Failed to call onKeyguardExitResult(false)", e); 768 } 769 } else if (mExternallyEnabled) { 770 // this only applies when the user has externally disabled the 771 // keyguard. this is unexpected and means the user is not 772 // using the api properly. 773 Log.w(TAG, "verifyUnlock called when not externally disabled"); 774 try { 775 callback.onKeyguardExitResult(false); 776 } catch (RemoteException e) { 777 Slog.w(TAG, "Failed to call onKeyguardExitResult(false)", e); 778 } 779 } else if (mExitSecureCallback != null) { 780 // already in progress with someone else 781 try { 782 callback.onKeyguardExitResult(false); 783 } catch (RemoteException e) { 784 Slog.w(TAG, "Failed to call onKeyguardExitResult(false)", e); 785 } 786 } else { 787 mExitSecureCallback = callback; 788 verifyUnlockLocked(); 789 } 790 } 791 } 792 793 /** 794 * Is the keyguard currently showing? 795 */ 796 public boolean isShowing() { 797 return mShowing; 798 } 799 800 public boolean isOccluded() { 801 return mOccluded; 802 } 803 804 /** 805 * Is the keyguard currently showing and not being force hidden? 806 */ 807 public boolean isShowingAndNotOccluded() { 808 return mShowing && !mOccluded; 809 } 810 811 /** 812 * Notify us when the keyguard is occluded by another window 813 */ 814 public void setOccluded(boolean isOccluded) { 815 if (DEBUG) Log.d(TAG, "setOccluded " + isOccluded); 816 mHandler.removeMessages(SET_OCCLUDED); 817 Message msg = mHandler.obtainMessage(SET_OCCLUDED, (isOccluded ? 1 : 0), 0); 818 mHandler.sendMessage(msg); 819 } 820 821 /** 822 * Handles SET_OCCLUDED message sent by setOccluded() 823 */ 824 private void handleSetOccluded(boolean isOccluded) { 825 synchronized (KeyguardViewMediator.this) { 826 if (mOccluded != isOccluded) { 827 mOccluded = isOccluded; 828 mStatusBarKeyguardViewManager.setOccluded(isOccluded); 829 updateActivityLockScreenState(); 830 adjustStatusBarLocked(); 831 } 832 } 833 } 834 835 /** 836 * Used by PhoneWindowManager to enable the keyguard due to a user activity timeout. 837 * This must be safe to call from any thread and with any window manager locks held. 838 */ 839 public void doKeyguardTimeout(Bundle options) { 840 mHandler.removeMessages(KEYGUARD_TIMEOUT); 841 Message msg = mHandler.obtainMessage(KEYGUARD_TIMEOUT, options); 842 mHandler.sendMessage(msg); 843 } 844 845 /** 846 * Given the state of the keyguard, is the input restricted? 847 * Input is restricted when the keyguard is showing, or when the keyguard 848 * was suppressed by an app that disabled the keyguard or we haven't been provisioned yet. 849 */ 850 public boolean isInputRestricted() { 851 return mShowing || mNeedToReshowWhenReenabled || !mUpdateMonitor.isDeviceProvisioned(); 852 } 853 854 /** 855 * Enable the keyguard if the settings are appropriate. 856 */ 857 private void doKeyguardLocked(Bundle options) { 858 // if another app is disabling us, don't show 859 if (!mExternallyEnabled) { 860 if (DEBUG) Log.d(TAG, "doKeyguard: not showing because externally disabled"); 861 862 // note: we *should* set mNeedToReshowWhenReenabled=true here, but that makes 863 // for an occasional ugly flicker in this situation: 864 // 1) receive a call with the screen on (no keyguard) or make a call 865 // 2) screen times out 866 // 3) user hits key to turn screen back on 867 // instead, we reenable the keyguard when we know the screen is off and the call 868 // ends (see the broadcast receiver below) 869 // TODO: clean this up when we have better support at the window manager level 870 // for apps that wish to be on top of the keyguard 871 return; 872 } 873 874 // if the keyguard is already showing, don't bother 875 if (mStatusBarKeyguardViewManager.isShowing()) { 876 if (DEBUG) Log.d(TAG, "doKeyguard: not showing because it is already showing"); 877 return; 878 } 879 880 // if the setup wizard hasn't run yet, don't show 881 final boolean requireSim = !SystemProperties.getBoolean("keyguard.no_require_sim", 882 false); 883 final boolean provisioned = mUpdateMonitor.isDeviceProvisioned(); 884 final IccCardConstants.State state = mUpdateMonitor.getSimState(); 885 final boolean lockedOrMissing = state.isPinLocked() 886 || ((state == IccCardConstants.State.ABSENT 887 || state == IccCardConstants.State.PERM_DISABLED) 888 && requireSim); 889 890 if (!lockedOrMissing && !provisioned) { 891 if (DEBUG) Log.d(TAG, "doKeyguard: not showing because device isn't provisioned" 892 + " and the sim is not locked or missing"); 893 return; 894 } 895 896 if (mLockPatternUtils.isLockScreenDisabled() && !lockedOrMissing) { 897 if (DEBUG) Log.d(TAG, "doKeyguard: not showing because lockscreen is off"); 898 return; 899 } 900 901 if (mLockPatternUtils.checkVoldPassword()) { 902 if (DEBUG) Log.d(TAG, "Not showing lock screen since just decrypted"); 903 // Without this, settings is not enabled until the lock screen first appears 904 mShowing = false; 905 hideLocked(); 906 return; 907 } 908 909 if (DEBUG) Log.d(TAG, "doKeyguard: showing the lock screen"); 910 showLocked(options); 911 } 912 913 /** 914 * Dismiss the keyguard through the security layers. 915 */ 916 public void handleDismiss() { 917 if (mShowing && !mOccluded) { 918 mStatusBarKeyguardViewManager.dismiss(); 919 } 920 } 921 922 public void dismiss() { 923 mHandler.sendEmptyMessage(DISMISS); 924 } 925 926 /** 927 * Send message to keyguard telling it to reset its state. 928 * @see #handleReset 929 */ 930 private void resetStateLocked() { 931 if (DEBUG) Log.e(TAG, "resetStateLocked"); 932 Message msg = mHandler.obtainMessage(RESET); 933 mHandler.sendMessage(msg); 934 } 935 936 /** 937 * Send message to keyguard telling it to verify unlock 938 * @see #handleVerifyUnlock() 939 */ 940 private void verifyUnlockLocked() { 941 if (DEBUG) Log.d(TAG, "verifyUnlockLocked"); 942 mHandler.sendEmptyMessage(VERIFY_UNLOCK); 943 } 944 945 946 /** 947 * Send a message to keyguard telling it the screen just turned on. 948 * @see #onScreenTurnedOff(int) 949 * @see #handleNotifyScreenOff 950 */ 951 private void notifyScreenOffLocked() { 952 if (DEBUG) Log.d(TAG, "notifyScreenOffLocked"); 953 mHandler.sendEmptyMessage(NOTIFY_SCREEN_OFF); 954 } 955 956 /** 957 * Send a message to keyguard telling it the screen just turned on. 958 * @see #onScreenTurnedOn 959 * @see #handleNotifyScreenOn 960 */ 961 private void notifyScreenOnLocked(IKeyguardShowCallback result) { 962 if (DEBUG) Log.d(TAG, "notifyScreenOnLocked"); 963 Message msg = mHandler.obtainMessage(NOTIFY_SCREEN_ON, result); 964 mHandler.sendMessage(msg); 965 } 966 967 /** 968 * Send message to keyguard telling it to show itself 969 * @see #handleShow 970 */ 971 private void showLocked(Bundle options) { 972 if (DEBUG) Log.d(TAG, "showLocked"); 973 // ensure we stay awake until we are finished displaying the keyguard 974 mShowKeyguardWakeLock.acquire(); 975 Message msg = mHandler.obtainMessage(SHOW, options); 976 mHandler.sendMessage(msg); 977 } 978 979 /** 980 * Send message to keyguard telling it to hide itself 981 * @see #handleHide() 982 */ 983 private void hideLocked() { 984 if (DEBUG) Log.d(TAG, "hideLocked"); 985 Message msg = mHandler.obtainMessage(HIDE); 986 mHandler.sendMessage(msg); 987 } 988 989 public boolean isSecure() { 990 return mLockPatternUtils.isSecure() 991 || KeyguardUpdateMonitor.getInstance(mContext).isSimPinSecure(); 992 } 993 994 /** 995 * Update the newUserId. Call while holding WindowManagerService lock. 996 * NOTE: Should only be called by KeyguardViewMediator in response to the user id changing. 997 * 998 * @param newUserId The id of the incoming user. 999 */ 1000 public void setCurrentUser(int newUserId) { 1001 mLockPatternUtils.setCurrentUser(newUserId); 1002 } 1003 1004 private final BroadcastReceiver mBroadcastReceiver = new BroadcastReceiver() { 1005 @Override 1006 public void onReceive(Context context, Intent intent) { 1007 if (DELAYED_KEYGUARD_ACTION.equals(intent.getAction())) { 1008 final int sequence = intent.getIntExtra("seq", 0); 1009 if (DEBUG) Log.d(TAG, "received DELAYED_KEYGUARD_ACTION with seq = " 1010 + sequence + ", mDelayedShowingSequence = " + mDelayedShowingSequence); 1011 synchronized (KeyguardViewMediator.this) { 1012 if (mDelayedShowingSequence == sequence) { 1013 // Don't play lockscreen SFX if the screen went off due to timeout. 1014 mSuppressNextLockSound = true; 1015 doKeyguardLocked(null); 1016 } 1017 } 1018 } 1019 } 1020 }; 1021 1022 public void keyguardDone(boolean authenticated, boolean wakeup) { 1023 if (DEBUG) Log.d(TAG, "keyguardDone(" + authenticated + ")"); 1024 EventLog.writeEvent(70000, 2); 1025 synchronized (this) { 1026 mKeyguardDonePending = false; 1027 } 1028 Message msg = mHandler.obtainMessage(KEYGUARD_DONE, authenticated ? 1 : 0, wakeup ? 1 : 0); 1029 mHandler.sendMessage(msg); 1030 } 1031 1032 /** 1033 * This handler will be associated with the policy thread, which will also 1034 * be the UI thread of the keyguard. Since the apis of the policy, and therefore 1035 * this class, can be called by other threads, any action that directly 1036 * interacts with the keyguard ui should be posted to this handler, rather 1037 * than called directly. 1038 */ 1039 private Handler mHandler = new Handler(Looper.myLooper(), null, true /*async*/) { 1040 @Override 1041 public void handleMessage(Message msg) { 1042 switch (msg.what) { 1043 case SHOW: 1044 handleShow((Bundle) msg.obj); 1045 break; 1046 case HIDE: 1047 handleHide(); 1048 break; 1049 case RESET: 1050 handleReset(); 1051 break; 1052 case VERIFY_UNLOCK: 1053 handleVerifyUnlock(); 1054 break; 1055 case NOTIFY_SCREEN_OFF: 1056 handleNotifyScreenOff(); 1057 break; 1058 case NOTIFY_SCREEN_ON: 1059 handleNotifyScreenOn((IKeyguardShowCallback) msg.obj); 1060 break; 1061 case KEYGUARD_DONE: 1062 handleKeyguardDone(msg.arg1 != 0, msg.arg2 != 0); 1063 break; 1064 case KEYGUARD_DONE_DRAWING: 1065 handleKeyguardDoneDrawing(); 1066 break; 1067 case KEYGUARD_DONE_AUTHENTICATING: 1068 keyguardDone(true, true); 1069 break; 1070 case SET_OCCLUDED: 1071 handleSetOccluded(msg.arg1 != 0); 1072 break; 1073 case KEYGUARD_TIMEOUT: 1074 synchronized (KeyguardViewMediator.this) { 1075 doKeyguardLocked((Bundle) msg.obj); 1076 } 1077 break; 1078 case DISMISS: 1079 handleDismiss(); 1080 break; 1081 case START_KEYGUARD_EXIT_ANIM: 1082 StartKeyguardExitAnimParams params = (StartKeyguardExitAnimParams) msg.obj; 1083 handleStartKeyguardExitAnimation(params.startTime, params.fadeoutDuration); 1084 break; 1085 case ON_ACTIVITY_DRAWN: 1086 handleOnActivityDrawn(); 1087 break; 1088 } 1089 } 1090 }; 1091 1092 /** 1093 * @see #keyguardDone 1094 * @see #KEYGUARD_DONE 1095 */ 1096 private void handleKeyguardDone(boolean authenticated, boolean wakeup) { 1097 if (DEBUG) Log.d(TAG, "handleKeyguardDone"); 1098 1099 if (authenticated) { 1100 mUpdateMonitor.clearFailedUnlockAttempts(); 1101 } 1102 mUpdateMonitor.clearFingerprintRecognized(); 1103 1104 if (mExitSecureCallback != null) { 1105 try { 1106 mExitSecureCallback.onKeyguardExitResult(authenticated); 1107 } catch (RemoteException e) { 1108 Slog.w(TAG, "Failed to call onKeyguardExitResult(" + authenticated + ")", e); 1109 } 1110 1111 mExitSecureCallback = null; 1112 1113 if (authenticated) { 1114 // after succesfully exiting securely, no need to reshow 1115 // the keyguard when they've released the lock 1116 mExternallyEnabled = true; 1117 mNeedToReshowWhenReenabled = false; 1118 } 1119 } 1120 1121 handleHide(); 1122 sendUserPresentBroadcast(); 1123 } 1124 1125 private void sendUserPresentBroadcast() { 1126 final UserHandle currentUser = new UserHandle(mLockPatternUtils.getCurrentUser()); 1127 mContext.sendBroadcastAsUser(USER_PRESENT_INTENT, currentUser); 1128 } 1129 1130 /** 1131 * @see #keyguardDone 1132 * @see #KEYGUARD_DONE_DRAWING 1133 */ 1134 private void handleKeyguardDoneDrawing() { 1135 synchronized(this) { 1136 if (DEBUG) Log.d(TAG, "handleKeyguardDoneDrawing"); 1137 if (mWaitingUntilKeyguardVisible) { 1138 if (DEBUG) Log.d(TAG, "handleKeyguardDoneDrawing: notifying mWaitingUntilKeyguardVisible"); 1139 mWaitingUntilKeyguardVisible = false; 1140 notifyAll(); 1141 1142 // there will usually be two of these sent, one as a timeout, and one 1143 // as a result of the callback, so remove any remaining messages from 1144 // the queue 1145 mHandler.removeMessages(KEYGUARD_DONE_DRAWING); 1146 } 1147 } 1148 } 1149 1150 private void playSounds(boolean locked) { 1151 // User feedback for keyguard. 1152 1153 if (mSuppressNextLockSound) { 1154 mSuppressNextLockSound = false; 1155 return; 1156 } 1157 1158 final ContentResolver cr = mContext.getContentResolver(); 1159 if (Settings.System.getInt(cr, Settings.System.LOCKSCREEN_SOUNDS_ENABLED, 1) == 1) { 1160 final int whichSound = locked 1161 ? mLockSoundId 1162 : mUnlockSoundId; 1163 mLockSounds.stop(mLockSoundStreamId); 1164 // Init mAudioManager 1165 if (mAudioManager == null) { 1166 mAudioManager = (AudioManager) mContext.getSystemService(Context.AUDIO_SERVICE); 1167 if (mAudioManager == null) return; 1168 mMasterStreamType = mAudioManager.getMasterStreamType(); 1169 } 1170 // If the stream is muted, don't play the sound 1171 if (mAudioManager.isStreamMute(mMasterStreamType)) return; 1172 1173 mLockSoundStreamId = mLockSounds.play(whichSound, 1174 mLockSoundVolume, mLockSoundVolume, 1/*priortiy*/, 0/*loop*/, 1.0f/*rate*/); 1175 } 1176 } 1177 1178 private void updateActivityLockScreenState() { 1179 try { 1180 ActivityManagerNative.getDefault().setLockScreenShown(mShowing && !mOccluded); 1181 } catch (RemoteException e) { 1182 } 1183 } 1184 1185 /** 1186 * Handle message sent by {@link #showLocked}. 1187 * @see #SHOW 1188 */ 1189 private void handleShow(Bundle options) { 1190 synchronized (KeyguardViewMediator.this) { 1191 if (!mSystemReady) { 1192 if (DEBUG) Log.d(TAG, "ignoring handleShow because system is not ready."); 1193 return; 1194 } else { 1195 if (DEBUG) Log.d(TAG, "handleShow"); 1196 } 1197 1198 mStatusBarKeyguardViewManager.show(options); 1199 mHiding = false; 1200 mShowing = true; 1201 mKeyguardDonePending = false; 1202 mHideAnimationRun = false; 1203 updateActivityLockScreenState(); 1204 adjustStatusBarLocked(); 1205 userActivity(); 1206 1207 // Do this at the end to not slow down display of the keyguard. 1208 playSounds(true); 1209 1210 mShowKeyguardWakeLock.release(); 1211 } 1212 mKeyguardDisplayManager.show(); 1213 } 1214 1215 private final Runnable mKeyguardGoingAwayRunnable = new Runnable() { 1216 @Override 1217 public void run() { 1218 try { 1219 // Don't actually hide the Keyguard at the moment, wait for window 1220 // manager until it tells us it's safe to do so with 1221 // startKeyguardExitAnimation. 1222 mWM.keyguardGoingAway(); 1223 } catch (RemoteException e) { 1224 Log.e(TAG, "Error while calling WindowManager", e); 1225 } 1226 } 1227 }; 1228 1229 /** 1230 * Handle message sent by {@link #hideLocked()} 1231 * @see #HIDE 1232 */ 1233 private void handleHide() { 1234 synchronized (KeyguardViewMediator.this) { 1235 if (DEBUG) Log.d(TAG, "handleHide"); 1236 1237 mHiding = true; 1238 if (mShowing && !mOccluded) { 1239 if (!mHideAnimationRun) { 1240 mStatusBarKeyguardViewManager.startPreHideAnimation(mKeyguardGoingAwayRunnable); 1241 } else { 1242 mKeyguardGoingAwayRunnable.run(); 1243 } 1244 } else { 1245 1246 // Don't try to rely on WindowManager - if Keyguard wasn't showing, window 1247 // manager won't start the exit animation. 1248 handleStartKeyguardExitAnimation( 1249 SystemClock.uptimeMillis() + mHideAnimation.getStartOffset(), 1250 mHideAnimation.getDuration()); 1251 } 1252 } 1253 } 1254 1255 private void handleOnActivityDrawn() { 1256 if (mKeyguardDonePending) { 1257 mStatusBarKeyguardViewManager.onActivityDrawn(); 1258 } 1259 } 1260 1261 private void handleStartKeyguardExitAnimation(long startTime, long fadeoutDuration) { 1262 synchronized (KeyguardViewMediator.this) { 1263 1264 if (!mHiding) { 1265 return; 1266 } 1267 mHiding = false; 1268 1269 // only play "unlock" noises if not on a call (since the incall UI 1270 // disables the keyguard) 1271 if (TelephonyManager.EXTRA_STATE_IDLE.equals(mPhoneState)) { 1272 playSounds(false); 1273 } 1274 1275 mStatusBarKeyguardViewManager.hide(startTime, fadeoutDuration); 1276 mShowing = false; 1277 mKeyguardDonePending = false; 1278 mHideAnimationRun = false; 1279 updateActivityLockScreenState(); 1280 adjustStatusBarLocked(); 1281 } 1282 } 1283 1284 private void adjustStatusBarLocked() { 1285 if (mStatusBarManager == null) { 1286 mStatusBarManager = (StatusBarManager) 1287 mContext.getSystemService(Context.STATUS_BAR_SERVICE); 1288 } 1289 if (mStatusBarManager == null) { 1290 Log.w(TAG, "Could not get status bar manager"); 1291 } else { 1292 // Disable aspects of the system/status/navigation bars that must not be re-enabled by 1293 // windows that appear on top, ever 1294 int flags = StatusBarManager.DISABLE_NONE; 1295 if (mShowing) { 1296 // Permanently disable components not available when keyguard is enabled 1297 // (like recents). Temporary enable/disable (e.g. the "back" button) are 1298 // done in KeyguardHostView. 1299 flags |= StatusBarManager.DISABLE_RECENT; 1300 if (!isAssistantAvailable()) { 1301 flags |= StatusBarManager.DISABLE_SEARCH; 1302 } 1303 } 1304 if (isShowingAndNotOccluded()) { 1305 flags |= StatusBarManager.DISABLE_HOME; 1306 } 1307 1308 if (DEBUG) { 1309 Log.d(TAG, "adjustStatusBarLocked: mShowing=" + mShowing + " mOccluded=" + mOccluded 1310 + " isSecure=" + isSecure() + " --> flags=0x" + Integer.toHexString(flags)); 1311 } 1312 1313 if (!(mContext instanceof Activity)) { 1314 mStatusBarManager.disable(flags); 1315 } 1316 } 1317 } 1318 1319 /** 1320 * Handle message sent by {@link #resetStateLocked} 1321 * @see #RESET 1322 */ 1323 private void handleReset() { 1324 synchronized (KeyguardViewMediator.this) { 1325 if (DEBUG) Log.d(TAG, "handleReset"); 1326 mStatusBarKeyguardViewManager.reset(); 1327 } 1328 } 1329 1330 /** 1331 * Handle message sent by {@link #verifyUnlock} 1332 * @see #VERIFY_UNLOCK 1333 */ 1334 private void handleVerifyUnlock() { 1335 synchronized (KeyguardViewMediator.this) { 1336 if (DEBUG) Log.d(TAG, "handleVerifyUnlock"); 1337 mStatusBarKeyguardViewManager.verifyUnlock(); 1338 mShowing = true; 1339 updateActivityLockScreenState(); 1340 } 1341 } 1342 1343 /** 1344 * Handle message sent by {@link #notifyScreenOffLocked()} 1345 * @see #NOTIFY_SCREEN_OFF 1346 */ 1347 private void handleNotifyScreenOff() { 1348 synchronized (KeyguardViewMediator.this) { 1349 if (DEBUG) Log.d(TAG, "handleNotifyScreenOff"); 1350 mStatusBarKeyguardViewManager.onScreenTurnedOff(); 1351 } 1352 } 1353 1354 /** 1355 * Handle message sent by {@link #notifyScreenOnLocked} 1356 * @see #NOTIFY_SCREEN_ON 1357 */ 1358 private void handleNotifyScreenOn(IKeyguardShowCallback callback) { 1359 synchronized (KeyguardViewMediator.this) { 1360 if (DEBUG) Log.d(TAG, "handleNotifyScreenOn"); 1361 mStatusBarKeyguardViewManager.onScreenTurnedOn(callback); 1362 } 1363 } 1364 1365 public boolean isDismissable() { 1366 return mKeyguardDonePending || !isSecure(); 1367 } 1368 1369 private boolean isAssistantAvailable() { 1370 return mSearchManager != null 1371 && mSearchManager.getAssistIntent(mContext, false, UserHandle.USER_CURRENT) != null; 1372 } 1373 1374 public void onBootCompleted() { 1375 mUpdateMonitor.dispatchBootCompleted(); 1376 } 1377 1378 public StatusBarKeyguardViewManager registerStatusBar(PhoneStatusBar phoneStatusBar, 1379 ViewGroup container, StatusBarWindowManager statusBarWindowManager, 1380 ScrimController scrimController) { 1381 mStatusBarKeyguardViewManager.registerStatusBar(phoneStatusBar, container, 1382 statusBarWindowManager, scrimController); 1383 return mStatusBarKeyguardViewManager; 1384 } 1385 1386 public void startKeyguardExitAnimation(long startTime, long fadeoutDuration) { 1387 Message msg = mHandler.obtainMessage(START_KEYGUARD_EXIT_ANIM, 1388 new StartKeyguardExitAnimParams(startTime, fadeoutDuration)); 1389 mHandler.sendMessage(msg); 1390 } 1391 1392 public void onActivityDrawn() { 1393 mHandler.sendEmptyMessage(ON_ACTIVITY_DRAWN); 1394 } 1395 public ViewMediatorCallback getViewMediatorCallback() { 1396 return mViewMediatorCallback; 1397 } 1398 1399 private static class StartKeyguardExitAnimParams { 1400 1401 long startTime; 1402 long fadeoutDuration; 1403 1404 private StartKeyguardExitAnimParams(long startTime, long fadeoutDuration) { 1405 this.startTime = startTime; 1406 this.fadeoutDuration = fadeoutDuration; 1407 } 1408 } 1409} 1410