KeyguardViewMediator.java revision 705004bebf919b2d851fa86a31f17fc21b0dca34
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.content.pm.UserInfo; 31import android.media.AudioManager; 32import android.media.SoundPool; 33import android.os.Bundle; 34import android.os.Handler; 35import android.os.Looper; 36import android.os.Message; 37import android.os.PowerManager; 38import android.os.RemoteException; 39import android.os.SystemClock; 40import android.os.SystemProperties; 41import android.os.UserHandle; 42import android.os.UserManager; 43import android.provider.Settings; 44import android.telephony.TelephonyManager; 45import android.util.EventLog; 46import android.util.Log; 47import android.util.Slog; 48import android.view.IWindowManager; 49import android.view.ViewGroup; 50import android.view.WindowManagerGlobal; 51import android.view.WindowManagerPolicy; 52import android.view.animation.Animation; 53import android.view.animation.AnimationUtils; 54import com.android.internal.policy.IKeyguardExitCallback; 55import com.android.internal.policy.IKeyguardShowCallback; 56import com.android.internal.telephony.IccCardConstants; 57import com.android.internal.widget.LockPatternUtils; 58import com.android.keyguard.KeyguardDisplayManager; 59import com.android.keyguard.KeyguardUpdateMonitor; 60import com.android.keyguard.KeyguardUpdateMonitorCallback; 61import com.android.keyguard.MultiUserAvatarCache; 62import com.android.keyguard.ViewMediatorCallback; 63import com.android.systemui.SystemUI; 64import com.android.systemui.statusbar.phone.PhoneStatusBar; 65import com.android.systemui.statusbar.phone.ScrimController; 66import com.android.systemui.statusbar.phone.StatusBarKeyguardViewManager; 67import com.android.systemui.statusbar.phone.StatusBarWindowManager; 68 69import static android.provider.Settings.System.SCREEN_OFF_TIMEOUT; 70 71 72/** 73 * Mediates requests related to the keyguard. This includes queries about the 74 * state of the keyguard, power management events that effect whether the keyguard 75 * should be shown or reset, callbacks to the phone window manager to notify 76 * it of when the keyguard is showing, and events from the keyguard view itself 77 * stating that the keyguard was succesfully unlocked. 78 * 79 * Note that the keyguard view is shown when the screen is off (as appropriate) 80 * so that once the screen comes on, it will be ready immediately. 81 * 82 * Example queries about the keyguard: 83 * - is {movement, key} one that should wake the keygaurd? 84 * - is the keyguard showing? 85 * - are input events restricted due to the state of the keyguard? 86 * 87 * Callbacks to the phone window manager: 88 * - the keyguard is showing 89 * 90 * Example external events that translate to keyguard view changes: 91 * - screen turned off -> reset the keyguard, and show it so it will be ready 92 * next time the screen turns on 93 * - keyboard is slid open -> if the keyguard is not secure, hide it 94 * 95 * Events from the keyguard view: 96 * - user succesfully unlocked keyguard -> hide keyguard view, and no longer 97 * restrict input events. 98 * 99 * Note: in addition to normal power managment events that effect the state of 100 * whether the keyguard should be showing, external apps and services may request 101 * that the keyguard be disabled via {@link #setKeyguardEnabled(boolean)}. When 102 * false, this will override all other conditions for turning on the keyguard. 103 * 104 * Threading and synchronization: 105 * This class is created by the initialization routine of the {@link android.view.WindowManagerPolicy}, 106 * and runs on its thread. The keyguard UI is created from that thread in the 107 * constructor of this class. The apis may be called from other threads, including the 108 * {@link com.android.server.input.InputManagerService}'s and {@link android.view.WindowManager}'s. 109 * Therefore, methods on this class are synchronized, and any action that is pointed 110 * directly to the keyguard UI is posted to a {@link android.os.Handler} to ensure it is taken on the UI 111 * thread of the keyguard. 112 */ 113public class KeyguardViewMediator extends SystemUI { 114 private static final int KEYGUARD_DISPLAY_TIMEOUT_DELAY_DEFAULT = 30000; 115 final static boolean DEBUG = false; 116 private final static boolean DBG_WAKE = false; 117 118 private final static String TAG = "KeyguardViewMediator"; 119 120 private static final String DELAYED_KEYGUARD_ACTION = 121 "com.android.internal.policy.impl.PhoneWindowManager.DELAYED_KEYGUARD"; 122 123 // used for handler messages 124 private static final int SHOW = 2; 125 private static final int HIDE = 3; 126 private static final int RESET = 4; 127 private static final int VERIFY_UNLOCK = 5; 128 private static final int NOTIFY_SCREEN_OFF = 6; 129 private static final int NOTIFY_SCREEN_ON = 7; 130 private static final int KEYGUARD_DONE = 9; 131 private static final int KEYGUARD_DONE_DRAWING = 10; 132 private static final int KEYGUARD_DONE_AUTHENTICATING = 11; 133 private static final int SET_OCCLUDED = 12; 134 private static final int KEYGUARD_TIMEOUT = 13; 135 private static final int DISMISS = 17; 136 private static final int START_KEYGUARD_EXIT_ANIM = 18; 137 private static final int ON_ACTIVITY_DRAWN = 19; 138 139 /** 140 * The default amount of time we stay awake (used for all key input) 141 */ 142 public static final int AWAKE_INTERVAL_DEFAULT_MS = 10000; 143 144 /** 145 * How long to wait after the screen turns off due to timeout before 146 * turning on the keyguard (i.e, the user has this much time to turn 147 * the screen back on without having to face the keyguard). 148 */ 149 private static final int KEYGUARD_LOCK_AFTER_DELAY_DEFAULT = 5000; 150 151 /** 152 * How long we'll wait for the {@link ViewMediatorCallback#keyguardDoneDrawing()} 153 * callback before unblocking a call to {@link #setKeyguardEnabled(boolean)} 154 * that is reenabling the keyguard. 155 */ 156 private static final int KEYGUARD_DONE_DRAWING_TIMEOUT_MS = 2000; 157 158 /** 159 * Secure setting whether analytics are collected on the keyguard. 160 */ 161 private static final String KEYGUARD_ANALYTICS_SETTING = "keyguard_analytics"; 162 163 /** The stream type that the lock sounds are tied to. */ 164 private int mMasterStreamType; 165 166 private AlarmManager mAlarmManager; 167 private AudioManager mAudioManager; 168 private StatusBarManager mStatusBarManager; 169 private boolean mSwitchingUser; 170 171 private boolean mSystemReady; 172 173 // Whether the next call to playSounds() should be skipped. Defaults to 174 // true because the first lock (on boot) should be silent. 175 private boolean mSuppressNextLockSound = true; 176 177 178 /** High level access to the power manager for WakeLocks */ 179 private PowerManager mPM; 180 181 /** High level access to the window manager for dismissing keyguard animation */ 182 private IWindowManager mWM; 183 184 /** UserManager for querying number of users */ 185 private UserManager mUserManager; 186 187 /** SearchManager for determining whether or not search assistant is available */ 188 private SearchManager mSearchManager; 189 190 /** 191 * Used to keep the device awake while to ensure the keyguard finishes opening before 192 * we sleep. 193 */ 194 private PowerManager.WakeLock mShowKeyguardWakeLock; 195 196 private StatusBarKeyguardViewManager mStatusBarKeyguardViewManager; 197 198 // these are protected by synchronized (this) 199 200 /** 201 * External apps (like the phone app) can tell us to disable the keygaurd. 202 */ 203 private boolean mExternallyEnabled = true; 204 205 /** 206 * Remember if an external call to {@link #setKeyguardEnabled} with value 207 * false caused us to hide the keyguard, so that we need to reshow it once 208 * the keygaurd is reenabled with another call with value true. 209 */ 210 private boolean mNeedToReshowWhenReenabled = false; 211 212 // cached value of whether we are showing (need to know this to quickly 213 // answer whether the input should be restricted) 214 private boolean mShowing; 215 216 // true if the keyguard is hidden by another window 217 private boolean mOccluded = false; 218 219 /** 220 * Helps remember whether the screen has turned on since the last time 221 * it turned off due to timeout. see {@link #onScreenTurnedOff(int)} 222 */ 223 private int mDelayedShowingSequence; 224 225 /** 226 * If the user has disabled the keyguard, then requests to exit, this is 227 * how we'll ultimately let them know whether it was successful. We use this 228 * var being non-null as an indicator that there is an in progress request. 229 */ 230 private IKeyguardExitCallback mExitSecureCallback; 231 232 // the properties of the keyguard 233 234 private KeyguardUpdateMonitor mUpdateMonitor; 235 236 private boolean mScreenOn; 237 238 // last known state of the cellular connection 239 private String mPhoneState = TelephonyManager.EXTRA_STATE_IDLE; 240 241 /** 242 * Whether a hide is pending an we are just waiting for #startKeyguardExitAnimation to be 243 * called. 244 * */ 245 private boolean mHiding; 246 247 /** 248 * we send this intent when the keyguard is dismissed. 249 */ 250 private static final Intent USER_PRESENT_INTENT = new Intent(Intent.ACTION_USER_PRESENT) 251 .addFlags(Intent.FLAG_RECEIVER_REPLACE_PENDING 252 | Intent.FLAG_RECEIVER_REGISTERED_ONLY_BEFORE_BOOT); 253 254 /** 255 * {@link #setKeyguardEnabled} waits on this condition when it reenables 256 * the keyguard. 257 */ 258 private boolean mWaitingUntilKeyguardVisible = false; 259 private LockPatternUtils mLockPatternUtils; 260 private boolean mKeyguardDonePending = false; 261 private boolean mHideAnimationRun = false; 262 263 private SoundPool mLockSounds; 264 private int mLockSoundId; 265 private int mUnlockSoundId; 266 private int mTrustedSoundId; 267 private int mLockSoundStreamId; 268 269 /** 270 * The animation used for hiding keyguard. This is used to fetch the animation timings if 271 * WindowManager is not providing us with them. 272 */ 273 private Animation mHideAnimation; 274 275 /** 276 * The volume applied to the lock/unlock sounds. 277 */ 278 private float mLockSoundVolume; 279 280 /** 281 * For managing external displays 282 */ 283 private KeyguardDisplayManager mKeyguardDisplayManager; 284 285 KeyguardUpdateMonitorCallback mUpdateCallback = new KeyguardUpdateMonitorCallback() { 286 287 @Override 288 public void onUserSwitching(int userId) { 289 // Note that the mLockPatternUtils user has already been updated from setCurrentUser. 290 // We need to force a reset of the views, since lockNow (called by 291 // ActivityManagerService) will not reconstruct the keyguard if it is already showing. 292 synchronized (KeyguardViewMediator.this) { 293 mSwitchingUser = true; 294 mKeyguardDonePending = false; 295 resetStateLocked(); 296 adjustStatusBarLocked(); 297 // When we switch users we want to bring the new user to the biometric unlock even 298 // if the current user has gone to the backup. 299 KeyguardUpdateMonitor.getInstance(mContext).setAlternateUnlockEnabled(true); 300 } 301 } 302 303 @Override 304 public void onUserSwitchComplete(int userId) { 305 mSwitchingUser = false; 306 if (userId != UserHandle.USER_OWNER) { 307 UserInfo info = UserManager.get(mContext).getUserInfo(userId); 308 if (info != null && info.isGuest()) { 309 // If we just switched to a guest, try to dismiss keyguard. 310 dismiss(); 311 } 312 } 313 } 314 315 @Override 316 public void onUserRemoved(int userId) { 317 mLockPatternUtils.removeUser(userId); 318 MultiUserAvatarCache.getInstance().clear(userId); 319 } 320 321 @Override 322 public void onUserInfoChanged(int userId) { 323 MultiUserAvatarCache.getInstance().clear(userId); 324 } 325 326 @Override 327 public void onPhoneStateChanged(int phoneState) { 328 synchronized (KeyguardViewMediator.this) { 329 if (TelephonyManager.CALL_STATE_IDLE == phoneState // call ending 330 && !mScreenOn // screen off 331 && mExternallyEnabled) { // not disabled by any app 332 333 // note: this is a way to gracefully reenable the keyguard when the call 334 // ends and the screen is off without always reenabling the keyguard 335 // each time the screen turns off while in call (and having an occasional ugly 336 // flicker while turning back on the screen and disabling the keyguard again). 337 if (DEBUG) Log.d(TAG, "screen is off and call ended, let's make sure the " 338 + "keyguard is showing"); 339 doKeyguardLocked(null); 340 } 341 } 342 } 343 344 @Override 345 public void onClockVisibilityChanged() { 346 adjustStatusBarLocked(); 347 } 348 349 @Override 350 public void onDeviceProvisioned() { 351 sendUserPresentBroadcast(); 352 } 353 354 @Override 355 public void onSimStateChanged(IccCardConstants.State simState) { 356 if (DEBUG) Log.d(TAG, "onSimStateChanged: " + simState); 357 358 switch (simState) { 359 case NOT_READY: 360 case ABSENT: 361 // only force lock screen in case of missing sim if user hasn't 362 // gone through setup wizard 363 synchronized (this) { 364 if (!mUpdateMonitor.isDeviceProvisioned()) { 365 if (!isShowing()) { 366 if (DEBUG) Log.d(TAG, "ICC_ABSENT isn't showing," 367 + " we need to show the keyguard since the " 368 + "device isn't provisioned yet."); 369 doKeyguardLocked(null); 370 } else { 371 resetStateLocked(); 372 } 373 } 374 } 375 break; 376 case PIN_REQUIRED: 377 case PUK_REQUIRED: 378 synchronized (this) { 379 if (!isShowing()) { 380 if (DEBUG) Log.d(TAG, "INTENT_VALUE_ICC_LOCKED and keygaurd isn't " 381 + "showing; need to show keyguard so user can enter sim pin"); 382 doKeyguardLocked(null); 383 } else { 384 resetStateLocked(); 385 } 386 } 387 break; 388 case PERM_DISABLED: 389 synchronized (this) { 390 if (!isShowing()) { 391 if (DEBUG) Log.d(TAG, "PERM_DISABLED and " 392 + "keygaurd isn't showing."); 393 doKeyguardLocked(null); 394 } else { 395 if (DEBUG) Log.d(TAG, "PERM_DISABLED, resetStateLocked to" 396 + "show permanently disabled message in lockscreen."); 397 resetStateLocked(); 398 } 399 } 400 break; 401 case READY: 402 synchronized (this) { 403 if (isShowing()) { 404 resetStateLocked(); 405 } 406 } 407 break; 408 } 409 } 410 411 public void onFingerprintRecognized(int userId) { 412 if (mStatusBarKeyguardViewManager.isBouncerShowing()) { 413 mViewMediatorCallback.keyguardDone(true); 414 } 415 }; 416 417 }; 418 419 ViewMediatorCallback mViewMediatorCallback = new ViewMediatorCallback() { 420 421 public void userActivity() { 422 KeyguardViewMediator.this.userActivity(); 423 } 424 425 public void keyguardDone(boolean authenticated) { 426 KeyguardViewMediator.this.keyguardDone(authenticated, true); 427 } 428 429 public void keyguardDoneDrawing() { 430 mHandler.sendEmptyMessage(KEYGUARD_DONE_DRAWING); 431 } 432 433 @Override 434 public void setNeedsInput(boolean needsInput) { 435 mStatusBarKeyguardViewManager.setNeedsInput(needsInput); 436 } 437 438 @Override 439 public void onUserActivityTimeoutChanged() { 440 mStatusBarKeyguardViewManager.updateUserActivityTimeout(); 441 } 442 443 @Override 444 public void keyguardDonePending() { 445 mKeyguardDonePending = true; 446 mHideAnimationRun = true; 447 mStatusBarKeyguardViewManager.startPreHideAnimation(null /* finishRunnable */); 448 } 449 450 @Override 451 public void keyguardGone() { 452 mKeyguardDisplayManager.hide(); 453 } 454 455 @Override 456 public void readyForKeyguardDone() { 457 if (mKeyguardDonePending) { 458 // Somebody has called keyguardDonePending before, which means that we are 459 // authenticated 460 KeyguardViewMediator.this.keyguardDone(true /* authenticated */, true /* wakeUp */); 461 } 462 } 463 464 @Override 465 public void playTrustedSound() { 466 KeyguardViewMediator.this.playTrustedSound(); 467 } 468 }; 469 470 public void userActivity() { 471 mPM.userActivity(SystemClock.uptimeMillis(), false); 472 } 473 474 private void setup() { 475 mPM = (PowerManager) mContext.getSystemService(Context.POWER_SERVICE); 476 mWM = WindowManagerGlobal.getWindowManagerService(); 477 mUserManager = (UserManager) mContext.getSystemService(Context.USER_SERVICE); 478 mShowKeyguardWakeLock = mPM.newWakeLock(PowerManager.PARTIAL_WAKE_LOCK, "show keyguard"); 479 mShowKeyguardWakeLock.setReferenceCounted(false); 480 481 mContext.registerReceiver(mBroadcastReceiver, new IntentFilter(DELAYED_KEYGUARD_ACTION)); 482 483 mKeyguardDisplayManager = new KeyguardDisplayManager(mContext); 484 485 mAlarmManager = (AlarmManager) mContext.getSystemService(Context.ALARM_SERVICE); 486 487 mUpdateMonitor = KeyguardUpdateMonitor.getInstance(mContext); 488 489 mLockPatternUtils = new LockPatternUtils(mContext); 490 mLockPatternUtils.setCurrentUser(UserHandle.USER_OWNER); 491 492 // Assume keyguard is showing (unless it's disabled) until we know for sure... 493 mShowing = (mUpdateMonitor.isDeviceProvisioned() || mLockPatternUtils.isSecure()) 494 && !mLockPatternUtils.isLockScreenDisabled(); 495 496 mStatusBarKeyguardViewManager = new StatusBarKeyguardViewManager(mContext, 497 mViewMediatorCallback, mLockPatternUtils); 498 final ContentResolver cr = mContext.getContentResolver(); 499 500 mScreenOn = mPM.isScreenOn(); 501 502 mLockSounds = new SoundPool(1, AudioManager.STREAM_SYSTEM, 0); 503 String soundPath = Settings.Global.getString(cr, Settings.Global.LOCK_SOUND); 504 if (soundPath != null) { 505 mLockSoundId = mLockSounds.load(soundPath, 1); 506 } 507 if (soundPath == null || mLockSoundId == 0) { 508 Log.w(TAG, "failed to load lock sound from " + soundPath); 509 } 510 soundPath = Settings.Global.getString(cr, Settings.Global.UNLOCK_SOUND); 511 if (soundPath != null) { 512 mUnlockSoundId = mLockSounds.load(soundPath, 1); 513 } 514 if (soundPath == null || mUnlockSoundId == 0) { 515 Log.w(TAG, "failed to load unlock sound from " + soundPath); 516 } 517 soundPath = Settings.Global.getString(cr, Settings.Global.TRUSTED_SOUND); 518 if (soundPath != null) { 519 mTrustedSoundId = mLockSounds.load(soundPath, 1); 520 } 521 if (soundPath == null || mTrustedSoundId == 0) { 522 Log.w(TAG, "failed to load trusted sound from " + soundPath); 523 } 524 525 int lockSoundDefaultAttenuation = mContext.getResources().getInteger( 526 com.android.internal.R.integer.config_lockSoundVolumeDb); 527 mLockSoundVolume = (float)Math.pow(10, (float)lockSoundDefaultAttenuation/20); 528 529 mHideAnimation = AnimationUtils.loadAnimation(mContext, 530 com.android.internal.R.anim.lock_screen_behind_enter); 531 } 532 533 @Override 534 public void start() { 535 setup(); 536 putComponent(KeyguardViewMediator.class, this); 537 } 538 539 /** 540 * Let us know that the system is ready after startup. 541 */ 542 public void onSystemReady() { 543 mSearchManager = (SearchManager) mContext.getSystemService(Context.SEARCH_SERVICE); 544 synchronized (this) { 545 if (DEBUG) Log.d(TAG, "onSystemReady"); 546 mSystemReady = true; 547 mUpdateMonitor.registerCallback(mUpdateCallback); 548 549 // Suppress biometric unlock right after boot until things have settled if it is the 550 // selected security method, otherwise unsuppress it. It must be unsuppressed if it is 551 // not the selected security method for the following reason: if the user starts 552 // without a screen lock selected, the biometric unlock would be suppressed the first 553 // time they try to use it. 554 // 555 // Note that the biometric unlock will still not show if it is not the selected method. 556 // Calling setAlternateUnlockEnabled(true) simply says don't suppress it if it is the 557 // selected method. 558 if (mLockPatternUtils.usingBiometricWeak() 559 && mLockPatternUtils.isBiometricWeakInstalled()) { 560 if (DEBUG) Log.d(TAG, "suppressing biometric unlock during boot"); 561 mUpdateMonitor.setAlternateUnlockEnabled(false); 562 } else { 563 mUpdateMonitor.setAlternateUnlockEnabled(true); 564 } 565 566 doKeyguardLocked(null); 567 } 568 // Most services aren't available until the system reaches the ready state, so we 569 // send it here when the device first boots. 570 maybeSendUserPresentBroadcast(); 571 } 572 573 /** 574 * Called to let us know the screen was turned off. 575 * @param why either {@link android.view.WindowManagerPolicy#OFF_BECAUSE_OF_USER} or 576 * {@link android.view.WindowManagerPolicy#OFF_BECAUSE_OF_TIMEOUT}. 577 */ 578 public void onScreenTurnedOff(int why) { 579 synchronized (this) { 580 mScreenOn = false; 581 if (DEBUG) Log.d(TAG, "onScreenTurnedOff(" + why + ")"); 582 583 mKeyguardDonePending = false; 584 mHideAnimationRun = false; 585 586 // Lock immediately based on setting if secure (user has a pin/pattern/password). 587 // This also "locks" the device when not secure to provide easy access to the 588 // camera while preventing unwanted input. 589 final boolean lockImmediately = 590 mLockPatternUtils.getPowerButtonInstantlyLocks() || !mLockPatternUtils.isSecure(); 591 592 notifyScreenOffLocked(); 593 594 if (mExitSecureCallback != null) { 595 if (DEBUG) Log.d(TAG, "pending exit secure callback cancelled"); 596 try { 597 mExitSecureCallback.onKeyguardExitResult(false); 598 } catch (RemoteException e) { 599 Slog.w(TAG, "Failed to call onKeyguardExitResult(false)", e); 600 } 601 mExitSecureCallback = null; 602 if (!mExternallyEnabled) { 603 hideLocked(); 604 } 605 } else if (mShowing) { 606 resetStateLocked(); 607 } else if (why == WindowManagerPolicy.OFF_BECAUSE_OF_TIMEOUT 608 || (why == WindowManagerPolicy.OFF_BECAUSE_OF_USER && !lockImmediately)) { 609 doKeyguardLaterLocked(); 610 } else { 611 doKeyguardLocked(null); 612 } 613 } 614 KeyguardUpdateMonitor.getInstance(mContext).dispatchScreenTurndOff(why); 615 } 616 617 private void doKeyguardLaterLocked() { 618 // if the screen turned off because of timeout or the user hit the power button 619 // and we don't need to lock immediately, set an alarm 620 // to enable it a little bit later (i.e, give the user a chance 621 // to turn the screen back on within a certain window without 622 // having to unlock the screen) 623 final ContentResolver cr = mContext.getContentResolver(); 624 625 // From DisplaySettings 626 long displayTimeout = Settings.System.getInt(cr, SCREEN_OFF_TIMEOUT, 627 KEYGUARD_DISPLAY_TIMEOUT_DELAY_DEFAULT); 628 629 // From SecuritySettings 630 final long lockAfterTimeout = Settings.Secure.getInt(cr, 631 Settings.Secure.LOCK_SCREEN_LOCK_AFTER_TIMEOUT, 632 KEYGUARD_LOCK_AFTER_DELAY_DEFAULT); 633 634 // From DevicePolicyAdmin 635 final long policyTimeout = mLockPatternUtils.getDevicePolicyManager() 636 .getMaximumTimeToLock(null, mLockPatternUtils.getCurrentUser()); 637 638 long timeout; 639 if (policyTimeout > 0) { 640 // policy in effect. Make sure we don't go beyond policy limit. 641 displayTimeout = Math.max(displayTimeout, 0); // ignore negative values 642 timeout = Math.min(policyTimeout - displayTimeout, lockAfterTimeout); 643 } else { 644 timeout = lockAfterTimeout; 645 } 646 647 if (timeout <= 0) { 648 // Lock now 649 mSuppressNextLockSound = true; 650 doKeyguardLocked(null); 651 } else { 652 // Lock in the future 653 long when = SystemClock.elapsedRealtime() + timeout; 654 Intent intent = new Intent(DELAYED_KEYGUARD_ACTION); 655 intent.putExtra("seq", mDelayedShowingSequence); 656 PendingIntent sender = PendingIntent.getBroadcast(mContext, 657 0, intent, PendingIntent.FLAG_CANCEL_CURRENT); 658 mAlarmManager.set(AlarmManager.ELAPSED_REALTIME_WAKEUP, when, sender); 659 if (DEBUG) Log.d(TAG, "setting alarm to turn off keyguard, seq = " 660 + mDelayedShowingSequence); 661 } 662 } 663 664 private void cancelDoKeyguardLaterLocked() { 665 mDelayedShowingSequence++; 666 } 667 668 /** 669 * Let's us know the screen was turned on. 670 */ 671 public void onScreenTurnedOn(IKeyguardShowCallback callback) { 672 synchronized (this) { 673 mScreenOn = true; 674 cancelDoKeyguardLaterLocked(); 675 if (DEBUG) Log.d(TAG, "onScreenTurnedOn, seq = " + mDelayedShowingSequence); 676 if (callback != null) { 677 notifyScreenOnLocked(callback); 678 } 679 } 680 KeyguardUpdateMonitor.getInstance(mContext).dispatchScreenTurnedOn(); 681 maybeSendUserPresentBroadcast(); 682 } 683 684 private void maybeSendUserPresentBroadcast() { 685 if (mSystemReady && mLockPatternUtils.isLockScreenDisabled() 686 && !mUserManager.isUserSwitcherEnabled()) { 687 // Lock screen is disabled because the user has set the preference to "None". 688 // In this case, send out ACTION_USER_PRESENT here instead of in 689 // handleKeyguardDone() 690 sendUserPresentBroadcast(); 691 } 692 } 693 694 /** 695 * A dream started. We should lock after the usual screen-off lock timeout but only 696 * if there is a secure lock pattern. 697 */ 698 public void onDreamingStarted() { 699 synchronized (this) { 700 if (mScreenOn && mLockPatternUtils.isSecure()) { 701 doKeyguardLaterLocked(); 702 } 703 } 704 } 705 706 /** 707 * A dream stopped. 708 */ 709 public void onDreamingStopped() { 710 synchronized (this) { 711 if (mScreenOn) { 712 cancelDoKeyguardLaterLocked(); 713 } 714 } 715 } 716 717 /** 718 * Same semantics as {@link android.view.WindowManagerPolicy#enableKeyguard}; provide 719 * a way for external stuff to override normal keyguard behavior. For instance 720 * the phone app disables the keyguard when it receives incoming calls. 721 */ 722 public void setKeyguardEnabled(boolean enabled) { 723 synchronized (this) { 724 if (DEBUG) Log.d(TAG, "setKeyguardEnabled(" + enabled + ")"); 725 726 mExternallyEnabled = enabled; 727 728 if (!enabled && mShowing) { 729 if (mExitSecureCallback != null) { 730 if (DEBUG) Log.d(TAG, "in process of verifyUnlock request, ignoring"); 731 // we're in the process of handling a request to verify the user 732 // can get past the keyguard. ignore extraneous requests to disable / reenable 733 return; 734 } 735 736 // hiding keyguard that is showing, remember to reshow later 737 if (DEBUG) Log.d(TAG, "remembering to reshow, hiding keyguard, " 738 + "disabling status bar expansion"); 739 mNeedToReshowWhenReenabled = true; 740 hideLocked(); 741 } else if (enabled && mNeedToReshowWhenReenabled) { 742 // reenabled after previously hidden, reshow 743 if (DEBUG) Log.d(TAG, "previously hidden, reshowing, reenabling " 744 + "status bar expansion"); 745 mNeedToReshowWhenReenabled = false; 746 747 if (mExitSecureCallback != null) { 748 if (DEBUG) Log.d(TAG, "onKeyguardExitResult(false), resetting"); 749 try { 750 mExitSecureCallback.onKeyguardExitResult(false); 751 } catch (RemoteException e) { 752 Slog.w(TAG, "Failed to call onKeyguardExitResult(false)", e); 753 } 754 mExitSecureCallback = null; 755 resetStateLocked(); 756 } else { 757 showLocked(null); 758 759 // block until we know the keygaurd is done drawing (and post a message 760 // to unblock us after a timeout so we don't risk blocking too long 761 // and causing an ANR). 762 mWaitingUntilKeyguardVisible = true; 763 mHandler.sendEmptyMessageDelayed(KEYGUARD_DONE_DRAWING, KEYGUARD_DONE_DRAWING_TIMEOUT_MS); 764 if (DEBUG) Log.d(TAG, "waiting until mWaitingUntilKeyguardVisible is false"); 765 while (mWaitingUntilKeyguardVisible) { 766 try { 767 wait(); 768 } catch (InterruptedException e) { 769 Thread.currentThread().interrupt(); 770 } 771 } 772 if (DEBUG) Log.d(TAG, "done waiting for mWaitingUntilKeyguardVisible"); 773 } 774 } 775 } 776 } 777 778 /** 779 * @see android.app.KeyguardManager#exitKeyguardSecurely 780 */ 781 public void verifyUnlock(IKeyguardExitCallback callback) { 782 synchronized (this) { 783 if (DEBUG) Log.d(TAG, "verifyUnlock"); 784 if (!mUpdateMonitor.isDeviceProvisioned()) { 785 // don't allow this api when the device isn't provisioned 786 if (DEBUG) Log.d(TAG, "ignoring because device isn't provisioned"); 787 try { 788 callback.onKeyguardExitResult(false); 789 } catch (RemoteException e) { 790 Slog.w(TAG, "Failed to call onKeyguardExitResult(false)", e); 791 } 792 } else if (mExternallyEnabled) { 793 // this only applies when the user has externally disabled the 794 // keyguard. this is unexpected and means the user is not 795 // using the api properly. 796 Log.w(TAG, "verifyUnlock called when not externally disabled"); 797 try { 798 callback.onKeyguardExitResult(false); 799 } catch (RemoteException e) { 800 Slog.w(TAG, "Failed to call onKeyguardExitResult(false)", e); 801 } 802 } else if (mExitSecureCallback != null) { 803 // already in progress with someone else 804 try { 805 callback.onKeyguardExitResult(false); 806 } catch (RemoteException e) { 807 Slog.w(TAG, "Failed to call onKeyguardExitResult(false)", e); 808 } 809 } else { 810 mExitSecureCallback = callback; 811 verifyUnlockLocked(); 812 } 813 } 814 } 815 816 /** 817 * Is the keyguard currently showing? 818 */ 819 public boolean isShowing() { 820 return mShowing; 821 } 822 823 public boolean isOccluded() { 824 return mOccluded; 825 } 826 827 /** 828 * Is the keyguard currently showing and not being force hidden? 829 */ 830 public boolean isShowingAndNotOccluded() { 831 return mShowing && !mOccluded; 832 } 833 834 /** 835 * Notify us when the keyguard is occluded by another window 836 */ 837 public void setOccluded(boolean isOccluded) { 838 if (DEBUG) Log.d(TAG, "setOccluded " + isOccluded); 839 mHandler.removeMessages(SET_OCCLUDED); 840 Message msg = mHandler.obtainMessage(SET_OCCLUDED, (isOccluded ? 1 : 0), 0); 841 mHandler.sendMessage(msg); 842 } 843 844 /** 845 * Handles SET_OCCLUDED message sent by setOccluded() 846 */ 847 private void handleSetOccluded(boolean isOccluded) { 848 synchronized (KeyguardViewMediator.this) { 849 if (mOccluded != isOccluded) { 850 mOccluded = isOccluded; 851 mStatusBarKeyguardViewManager.setOccluded(isOccluded); 852 updateActivityLockScreenState(); 853 adjustStatusBarLocked(); 854 } 855 } 856 } 857 858 /** 859 * Used by PhoneWindowManager to enable the keyguard due to a user activity timeout. 860 * This must be safe to call from any thread and with any window manager locks held. 861 */ 862 public void doKeyguardTimeout(Bundle options) { 863 mHandler.removeMessages(KEYGUARD_TIMEOUT); 864 Message msg = mHandler.obtainMessage(KEYGUARD_TIMEOUT, options); 865 mHandler.sendMessage(msg); 866 } 867 868 /** 869 * Given the state of the keyguard, is the input restricted? 870 * Input is restricted when the keyguard is showing, or when the keyguard 871 * was suppressed by an app that disabled the keyguard or we haven't been provisioned yet. 872 */ 873 public boolean isInputRestricted() { 874 return mShowing || mNeedToReshowWhenReenabled || !mUpdateMonitor.isDeviceProvisioned(); 875 } 876 877 /** 878 * Enable the keyguard if the settings are appropriate. 879 */ 880 private void doKeyguardLocked(Bundle options) { 881 // if another app is disabling us, don't show 882 if (!mExternallyEnabled) { 883 if (DEBUG) Log.d(TAG, "doKeyguard: not showing because externally disabled"); 884 885 // note: we *should* set mNeedToReshowWhenReenabled=true here, but that makes 886 // for an occasional ugly flicker in this situation: 887 // 1) receive a call with the screen on (no keyguard) or make a call 888 // 2) screen times out 889 // 3) user hits key to turn screen back on 890 // instead, we reenable the keyguard when we know the screen is off and the call 891 // ends (see the broadcast receiver below) 892 // TODO: clean this up when we have better support at the window manager level 893 // for apps that wish to be on top of the keyguard 894 return; 895 } 896 897 // if the keyguard is already showing, don't bother 898 if (mStatusBarKeyguardViewManager.isShowing()) { 899 if (DEBUG) Log.d(TAG, "doKeyguard: not showing because it is already showing"); 900 return; 901 } 902 903 // if the setup wizard hasn't run yet, don't show 904 final boolean requireSim = !SystemProperties.getBoolean("keyguard.no_require_sim", 905 false); 906 final boolean provisioned = mUpdateMonitor.isDeviceProvisioned(); 907 final IccCardConstants.State state = mUpdateMonitor.getSimState(); 908 final boolean lockedOrMissing = state.isPinLocked() 909 || ((state == IccCardConstants.State.ABSENT 910 || state == IccCardConstants.State.PERM_DISABLED) 911 && requireSim); 912 913 if (!lockedOrMissing && !provisioned) { 914 if (DEBUG) Log.d(TAG, "doKeyguard: not showing because device isn't provisioned" 915 + " and the sim is not locked or missing"); 916 return; 917 } 918 919 if (mLockPatternUtils.isLockScreenDisabled() && !lockedOrMissing) { 920 if (DEBUG) Log.d(TAG, "doKeyguard: not showing because lockscreen is off"); 921 return; 922 } 923 924 if (mLockPatternUtils.checkVoldPassword()) { 925 if (DEBUG) Log.d(TAG, "Not showing lock screen since just decrypted"); 926 // Without this, settings is not enabled until the lock screen first appears 927 mShowing = false; 928 hideLocked(); 929 return; 930 } 931 932 if (DEBUG) Log.d(TAG, "doKeyguard: showing the lock screen"); 933 showLocked(options); 934 } 935 936 /** 937 * Dismiss the keyguard through the security layers. 938 */ 939 public void handleDismiss() { 940 if (mShowing && !mOccluded) { 941 mStatusBarKeyguardViewManager.dismiss(); 942 } 943 } 944 945 public void dismiss() { 946 mHandler.sendEmptyMessage(DISMISS); 947 } 948 949 /** 950 * Send message to keyguard telling it to reset its state. 951 * @see #handleReset 952 */ 953 private void resetStateLocked() { 954 if (DEBUG) Log.e(TAG, "resetStateLocked"); 955 Message msg = mHandler.obtainMessage(RESET); 956 mHandler.sendMessage(msg); 957 } 958 959 /** 960 * Send message to keyguard telling it to verify unlock 961 * @see #handleVerifyUnlock() 962 */ 963 private void verifyUnlockLocked() { 964 if (DEBUG) Log.d(TAG, "verifyUnlockLocked"); 965 mHandler.sendEmptyMessage(VERIFY_UNLOCK); 966 } 967 968 969 /** 970 * Send a message to keyguard telling it the screen just turned on. 971 * @see #onScreenTurnedOff(int) 972 * @see #handleNotifyScreenOff 973 */ 974 private void notifyScreenOffLocked() { 975 if (DEBUG) Log.d(TAG, "notifyScreenOffLocked"); 976 mHandler.sendEmptyMessage(NOTIFY_SCREEN_OFF); 977 } 978 979 /** 980 * Send a message to keyguard telling it the screen just turned on. 981 * @see #onScreenTurnedOn 982 * @see #handleNotifyScreenOn 983 */ 984 private void notifyScreenOnLocked(IKeyguardShowCallback result) { 985 if (DEBUG) Log.d(TAG, "notifyScreenOnLocked"); 986 Message msg = mHandler.obtainMessage(NOTIFY_SCREEN_ON, result); 987 mHandler.sendMessage(msg); 988 } 989 990 /** 991 * Send message to keyguard telling it to show itself 992 * @see #handleShow 993 */ 994 private void showLocked(Bundle options) { 995 if (DEBUG) Log.d(TAG, "showLocked"); 996 // ensure we stay awake until we are finished displaying the keyguard 997 mShowKeyguardWakeLock.acquire(); 998 Message msg = mHandler.obtainMessage(SHOW, options); 999 mHandler.sendMessage(msg); 1000 } 1001 1002 /** 1003 * Send message to keyguard telling it to hide itself 1004 * @see #handleHide() 1005 */ 1006 private void hideLocked() { 1007 if (DEBUG) Log.d(TAG, "hideLocked"); 1008 Message msg = mHandler.obtainMessage(HIDE); 1009 mHandler.sendMessage(msg); 1010 } 1011 1012 public boolean isSecure() { 1013 return mLockPatternUtils.isSecure() 1014 || KeyguardUpdateMonitor.getInstance(mContext).isSimPinSecure(); 1015 } 1016 1017 /** 1018 * Update the newUserId. Call while holding WindowManagerService lock. 1019 * NOTE: Should only be called by KeyguardViewMediator in response to the user id changing. 1020 * 1021 * @param newUserId The id of the incoming user. 1022 */ 1023 public void setCurrentUser(int newUserId) { 1024 mLockPatternUtils.setCurrentUser(newUserId); 1025 } 1026 1027 private final BroadcastReceiver mBroadcastReceiver = new BroadcastReceiver() { 1028 @Override 1029 public void onReceive(Context context, Intent intent) { 1030 if (DELAYED_KEYGUARD_ACTION.equals(intent.getAction())) { 1031 final int sequence = intent.getIntExtra("seq", 0); 1032 if (DEBUG) Log.d(TAG, "received DELAYED_KEYGUARD_ACTION with seq = " 1033 + sequence + ", mDelayedShowingSequence = " + mDelayedShowingSequence); 1034 synchronized (KeyguardViewMediator.this) { 1035 if (mDelayedShowingSequence == sequence) { 1036 // Don't play lockscreen SFX if the screen went off due to timeout. 1037 mSuppressNextLockSound = true; 1038 doKeyguardLocked(null); 1039 } 1040 } 1041 } 1042 } 1043 }; 1044 1045 public void keyguardDone(boolean authenticated, boolean wakeup) { 1046 if (DEBUG) Log.d(TAG, "keyguardDone(" + authenticated + ")"); 1047 EventLog.writeEvent(70000, 2); 1048 synchronized (this) { 1049 mKeyguardDonePending = false; 1050 } 1051 Message msg = mHandler.obtainMessage(KEYGUARD_DONE, authenticated ? 1 : 0, wakeup ? 1 : 0); 1052 mHandler.sendMessage(msg); 1053 } 1054 1055 /** 1056 * This handler will be associated with the policy thread, which will also 1057 * be the UI thread of the keyguard. Since the apis of the policy, and therefore 1058 * this class, can be called by other threads, any action that directly 1059 * interacts with the keyguard ui should be posted to this handler, rather 1060 * than called directly. 1061 */ 1062 private Handler mHandler = new Handler(Looper.myLooper(), null, true /*async*/) { 1063 @Override 1064 public void handleMessage(Message msg) { 1065 switch (msg.what) { 1066 case SHOW: 1067 handleShow((Bundle) msg.obj); 1068 break; 1069 case HIDE: 1070 handleHide(); 1071 break; 1072 case RESET: 1073 handleReset(); 1074 break; 1075 case VERIFY_UNLOCK: 1076 handleVerifyUnlock(); 1077 break; 1078 case NOTIFY_SCREEN_OFF: 1079 handleNotifyScreenOff(); 1080 break; 1081 case NOTIFY_SCREEN_ON: 1082 handleNotifyScreenOn((IKeyguardShowCallback) msg.obj); 1083 break; 1084 case KEYGUARD_DONE: 1085 handleKeyguardDone(msg.arg1 != 0, msg.arg2 != 0); 1086 break; 1087 case KEYGUARD_DONE_DRAWING: 1088 handleKeyguardDoneDrawing(); 1089 break; 1090 case KEYGUARD_DONE_AUTHENTICATING: 1091 keyguardDone(true, true); 1092 break; 1093 case SET_OCCLUDED: 1094 handleSetOccluded(msg.arg1 != 0); 1095 break; 1096 case KEYGUARD_TIMEOUT: 1097 synchronized (KeyguardViewMediator.this) { 1098 doKeyguardLocked((Bundle) msg.obj); 1099 } 1100 break; 1101 case DISMISS: 1102 handleDismiss(); 1103 break; 1104 case START_KEYGUARD_EXIT_ANIM: 1105 StartKeyguardExitAnimParams params = (StartKeyguardExitAnimParams) msg.obj; 1106 handleStartKeyguardExitAnimation(params.startTime, params.fadeoutDuration); 1107 break; 1108 case ON_ACTIVITY_DRAWN: 1109 handleOnActivityDrawn(); 1110 break; 1111 } 1112 } 1113 }; 1114 1115 /** 1116 * @see #keyguardDone 1117 * @see #KEYGUARD_DONE 1118 */ 1119 private void handleKeyguardDone(boolean authenticated, boolean wakeup) { 1120 if (DEBUG) Log.d(TAG, "handleKeyguardDone"); 1121 1122 if (authenticated) { 1123 mUpdateMonitor.clearFailedUnlockAttempts(); 1124 } 1125 mUpdateMonitor.clearFingerprintRecognized(); 1126 1127 if (mExitSecureCallback != null) { 1128 try { 1129 mExitSecureCallback.onKeyguardExitResult(authenticated); 1130 } catch (RemoteException e) { 1131 Slog.w(TAG, "Failed to call onKeyguardExitResult(" + authenticated + ")", e); 1132 } 1133 1134 mExitSecureCallback = null; 1135 1136 if (authenticated) { 1137 // after succesfully exiting securely, no need to reshow 1138 // the keyguard when they've released the lock 1139 mExternallyEnabled = true; 1140 mNeedToReshowWhenReenabled = false; 1141 } 1142 } 1143 1144 handleHide(); 1145 } 1146 1147 private void sendUserPresentBroadcast() { 1148 final UserHandle currentUser = new UserHandle(mLockPatternUtils.getCurrentUser()); 1149 mContext.sendBroadcastAsUser(USER_PRESENT_INTENT, currentUser); 1150 } 1151 1152 /** 1153 * @see #keyguardDone 1154 * @see #KEYGUARD_DONE_DRAWING 1155 */ 1156 private void handleKeyguardDoneDrawing() { 1157 synchronized(this) { 1158 if (DEBUG) Log.d(TAG, "handleKeyguardDoneDrawing"); 1159 if (mWaitingUntilKeyguardVisible) { 1160 if (DEBUG) Log.d(TAG, "handleKeyguardDoneDrawing: notifying mWaitingUntilKeyguardVisible"); 1161 mWaitingUntilKeyguardVisible = false; 1162 notifyAll(); 1163 1164 // there will usually be two of these sent, one as a timeout, and one 1165 // as a result of the callback, so remove any remaining messages from 1166 // the queue 1167 mHandler.removeMessages(KEYGUARD_DONE_DRAWING); 1168 } 1169 } 1170 } 1171 1172 private void playSounds(boolean locked) { 1173 // User feedback for keyguard. 1174 1175 if (mSuppressNextLockSound) { 1176 mSuppressNextLockSound = false; 1177 return; 1178 } 1179 1180 playSound(locked ? mLockSoundId : mUnlockSoundId); 1181 } 1182 1183 private void playSound(int soundId) { 1184 if (soundId == 0) return; 1185 final ContentResolver cr = mContext.getContentResolver(); 1186 if (Settings.System.getInt(cr, Settings.System.LOCKSCREEN_SOUNDS_ENABLED, 1) == 1) { 1187 1188 mLockSounds.stop(mLockSoundStreamId); 1189 // Init mAudioManager 1190 if (mAudioManager == null) { 1191 mAudioManager = (AudioManager) mContext.getSystemService(Context.AUDIO_SERVICE); 1192 if (mAudioManager == null) return; 1193 mMasterStreamType = mAudioManager.getMasterStreamType(); 1194 } 1195 // If the stream is muted, don't play the sound 1196 if (mAudioManager.isStreamMute(mMasterStreamType)) return; 1197 1198 mLockSoundStreamId = mLockSounds.play(soundId, 1199 mLockSoundVolume, mLockSoundVolume, 1/*priortiy*/, 0/*loop*/, 1.0f/*rate*/); 1200 } 1201 } 1202 1203 private void playTrustedSound() { 1204 if (mSuppressNextLockSound) { 1205 return; 1206 } 1207 playSound(mTrustedSoundId); 1208 } 1209 1210 private void updateActivityLockScreenState() { 1211 try { 1212 ActivityManagerNative.getDefault().setLockScreenShown(mShowing && !mOccluded); 1213 } catch (RemoteException e) { 1214 } 1215 } 1216 1217 /** 1218 * Handle message sent by {@link #showLocked}. 1219 * @see #SHOW 1220 */ 1221 private void handleShow(Bundle options) { 1222 synchronized (KeyguardViewMediator.this) { 1223 if (!mSystemReady) { 1224 if (DEBUG) Log.d(TAG, "ignoring handleShow because system is not ready."); 1225 return; 1226 } else { 1227 if (DEBUG) Log.d(TAG, "handleShow"); 1228 } 1229 1230 mStatusBarKeyguardViewManager.show(options); 1231 mHiding = false; 1232 mShowing = true; 1233 mKeyguardDonePending = false; 1234 mHideAnimationRun = false; 1235 updateActivityLockScreenState(); 1236 adjustStatusBarLocked(); 1237 userActivity(); 1238 1239 // Do this at the end to not slow down display of the keyguard. 1240 playSounds(true); 1241 1242 mShowKeyguardWakeLock.release(); 1243 } 1244 mKeyguardDisplayManager.show(); 1245 } 1246 1247 private final Runnable mKeyguardGoingAwayRunnable = new Runnable() { 1248 @Override 1249 public void run() { 1250 try { 1251 // Don't actually hide the Keyguard at the moment, wait for window 1252 // manager until it tells us it's safe to do so with 1253 // startKeyguardExitAnimation. 1254 mWM.keyguardGoingAway( 1255 mStatusBarKeyguardViewManager.shouldDisableWindowAnimationsForUnlock(), 1256 mStatusBarKeyguardViewManager.isGoingToNotificationShade()); 1257 } catch (RemoteException e) { 1258 Log.e(TAG, "Error while calling WindowManager", e); 1259 } 1260 } 1261 }; 1262 1263 /** 1264 * Handle message sent by {@link #hideLocked()} 1265 * @see #HIDE 1266 */ 1267 private void handleHide() { 1268 synchronized (KeyguardViewMediator.this) { 1269 if (DEBUG) Log.d(TAG, "handleHide"); 1270 1271 mHiding = true; 1272 if (mShowing && !mOccluded) { 1273 if (!mHideAnimationRun) { 1274 mStatusBarKeyguardViewManager.startPreHideAnimation(mKeyguardGoingAwayRunnable); 1275 } else { 1276 mKeyguardGoingAwayRunnable.run(); 1277 } 1278 } else { 1279 1280 // Don't try to rely on WindowManager - if Keyguard wasn't showing, window 1281 // manager won't start the exit animation. 1282 handleStartKeyguardExitAnimation( 1283 SystemClock.uptimeMillis() + mHideAnimation.getStartOffset(), 1284 mHideAnimation.getDuration()); 1285 } 1286 } 1287 } 1288 1289 private void handleOnActivityDrawn() { 1290 if (mKeyguardDonePending) { 1291 mStatusBarKeyguardViewManager.onActivityDrawn(); 1292 } 1293 } 1294 1295 private void handleStartKeyguardExitAnimation(long startTime, long fadeoutDuration) { 1296 synchronized (KeyguardViewMediator.this) { 1297 1298 if (!mHiding) { 1299 return; 1300 } 1301 mHiding = false; 1302 1303 // only play "unlock" noises if not on a call (since the incall UI 1304 // disables the keyguard) 1305 if (TelephonyManager.EXTRA_STATE_IDLE.equals(mPhoneState)) { 1306 playSounds(false); 1307 } 1308 1309 mStatusBarKeyguardViewManager.hide(startTime, fadeoutDuration); 1310 mShowing = false; 1311 mKeyguardDonePending = false; 1312 mHideAnimationRun = false; 1313 updateActivityLockScreenState(); 1314 adjustStatusBarLocked(); 1315 sendUserPresentBroadcast(); 1316 } 1317 } 1318 1319 private void adjustStatusBarLocked() { 1320 if (mStatusBarManager == null) { 1321 mStatusBarManager = (StatusBarManager) 1322 mContext.getSystemService(Context.STATUS_BAR_SERVICE); 1323 } 1324 if (mStatusBarManager == null) { 1325 Log.w(TAG, "Could not get status bar manager"); 1326 } else { 1327 // Disable aspects of the system/status/navigation bars that must not be re-enabled by 1328 // windows that appear on top, ever 1329 int flags = StatusBarManager.DISABLE_NONE; 1330 if (mShowing) { 1331 // Permanently disable components not available when keyguard is enabled 1332 // (like recents). Temporary enable/disable (e.g. the "back" button) are 1333 // done in KeyguardHostView. 1334 flags |= StatusBarManager.DISABLE_RECENT; 1335 flags |= StatusBarManager.DISABLE_SEARCH; 1336 } 1337 if (isShowingAndNotOccluded()) { 1338 flags |= StatusBarManager.DISABLE_HOME; 1339 } 1340 1341 if (DEBUG) { 1342 Log.d(TAG, "adjustStatusBarLocked: mShowing=" + mShowing + " mOccluded=" + mOccluded 1343 + " isSecure=" + isSecure() + " --> flags=0x" + Integer.toHexString(flags)); 1344 } 1345 1346 if (!(mContext instanceof Activity)) { 1347 mStatusBarManager.disable(flags); 1348 } 1349 } 1350 } 1351 1352 /** 1353 * Handle message sent by {@link #resetStateLocked} 1354 * @see #RESET 1355 */ 1356 private void handleReset() { 1357 synchronized (KeyguardViewMediator.this) { 1358 if (DEBUG) Log.d(TAG, "handleReset"); 1359 mStatusBarKeyguardViewManager.reset(); 1360 } 1361 } 1362 1363 /** 1364 * Handle message sent by {@link #verifyUnlock} 1365 * @see #VERIFY_UNLOCK 1366 */ 1367 private void handleVerifyUnlock() { 1368 synchronized (KeyguardViewMediator.this) { 1369 if (DEBUG) Log.d(TAG, "handleVerifyUnlock"); 1370 mStatusBarKeyguardViewManager.verifyUnlock(); 1371 mShowing = true; 1372 updateActivityLockScreenState(); 1373 } 1374 } 1375 1376 /** 1377 * Handle message sent by {@link #notifyScreenOffLocked()} 1378 * @see #NOTIFY_SCREEN_OFF 1379 */ 1380 private void handleNotifyScreenOff() { 1381 synchronized (KeyguardViewMediator.this) { 1382 if (DEBUG) Log.d(TAG, "handleNotifyScreenOff"); 1383 mStatusBarKeyguardViewManager.onScreenTurnedOff(); 1384 } 1385 } 1386 1387 /** 1388 * Handle message sent by {@link #notifyScreenOnLocked} 1389 * @see #NOTIFY_SCREEN_ON 1390 */ 1391 private void handleNotifyScreenOn(IKeyguardShowCallback callback) { 1392 synchronized (KeyguardViewMediator.this) { 1393 if (DEBUG) Log.d(TAG, "handleNotifyScreenOn"); 1394 mStatusBarKeyguardViewManager.onScreenTurnedOn(callback); 1395 } 1396 } 1397 1398 public boolean isDismissable() { 1399 return mKeyguardDonePending || !isSecure(); 1400 } 1401 1402 private boolean isAssistantAvailable() { 1403 return mSearchManager != null 1404 && mSearchManager.getAssistIntent(mContext, false, UserHandle.USER_CURRENT) != null; 1405 } 1406 1407 public void onBootCompleted() { 1408 mUpdateMonitor.dispatchBootCompleted(); 1409 } 1410 1411 public StatusBarKeyguardViewManager registerStatusBar(PhoneStatusBar phoneStatusBar, 1412 ViewGroup container, StatusBarWindowManager statusBarWindowManager, 1413 ScrimController scrimController) { 1414 mStatusBarKeyguardViewManager.registerStatusBar(phoneStatusBar, container, 1415 statusBarWindowManager, scrimController); 1416 return mStatusBarKeyguardViewManager; 1417 } 1418 1419 public void startKeyguardExitAnimation(long startTime, long fadeoutDuration) { 1420 Message msg = mHandler.obtainMessage(START_KEYGUARD_EXIT_ANIM, 1421 new StartKeyguardExitAnimParams(startTime, fadeoutDuration)); 1422 mHandler.sendMessage(msg); 1423 } 1424 1425 public void onActivityDrawn() { 1426 mHandler.sendEmptyMessage(ON_ACTIVITY_DRAWN); 1427 } 1428 public ViewMediatorCallback getViewMediatorCallback() { 1429 return mViewMediatorCallback; 1430 } 1431 1432 private static class StartKeyguardExitAnimParams { 1433 1434 long startTime; 1435 long fadeoutDuration; 1436 1437 private StartKeyguardExitAnimParams(long startTime, long fadeoutDuration) { 1438 this.startTime = startTime; 1439 this.fadeoutDuration = fadeoutDuration; 1440 } 1441 } 1442} 1443