KeyguardViewMediator.java revision be47b07bef0596dd9bf7137ea08cc1112328c6e8
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 if (mExitSecureCallback != null) { 593 if (DEBUG) Log.d(TAG, "pending exit secure callback cancelled"); 594 try { 595 mExitSecureCallback.onKeyguardExitResult(false); 596 } catch (RemoteException e) { 597 Slog.w(TAG, "Failed to call onKeyguardExitResult(false)", e); 598 } 599 mExitSecureCallback = null; 600 if (!mExternallyEnabled) { 601 hideLocked(); 602 } 603 } else if (mShowing) { 604 notifyScreenOffLocked(); 605 resetStateLocked(); 606 } else if (why == WindowManagerPolicy.OFF_BECAUSE_OF_TIMEOUT 607 || (why == WindowManagerPolicy.OFF_BECAUSE_OF_USER && !lockImmediately)) { 608 doKeyguardLaterLocked(); 609 } else { 610 doKeyguardLocked(null); 611 } 612 } 613 KeyguardUpdateMonitor.getInstance(mContext).dispatchScreenTurndOff(why); 614 } 615 616 private void doKeyguardLaterLocked() { 617 // if the screen turned off because of timeout or the user hit the power button 618 // and we don't need to lock immediately, set an alarm 619 // to enable it a little bit later (i.e, give the user a chance 620 // to turn the screen back on within a certain window without 621 // having to unlock the screen) 622 final ContentResolver cr = mContext.getContentResolver(); 623 624 // From DisplaySettings 625 long displayTimeout = Settings.System.getInt(cr, SCREEN_OFF_TIMEOUT, 626 KEYGUARD_DISPLAY_TIMEOUT_DELAY_DEFAULT); 627 628 // From SecuritySettings 629 final long lockAfterTimeout = Settings.Secure.getInt(cr, 630 Settings.Secure.LOCK_SCREEN_LOCK_AFTER_TIMEOUT, 631 KEYGUARD_LOCK_AFTER_DELAY_DEFAULT); 632 633 // From DevicePolicyAdmin 634 final long policyTimeout = mLockPatternUtils.getDevicePolicyManager() 635 .getMaximumTimeToLock(null, mLockPatternUtils.getCurrentUser()); 636 637 long timeout; 638 if (policyTimeout > 0) { 639 // policy in effect. Make sure we don't go beyond policy limit. 640 displayTimeout = Math.max(displayTimeout, 0); // ignore negative values 641 timeout = Math.min(policyTimeout - displayTimeout, lockAfterTimeout); 642 } else { 643 timeout = lockAfterTimeout; 644 } 645 646 if (timeout <= 0) { 647 // Lock now 648 mSuppressNextLockSound = true; 649 doKeyguardLocked(null); 650 } else { 651 // Lock in the future 652 long when = SystemClock.elapsedRealtime() + timeout; 653 Intent intent = new Intent(DELAYED_KEYGUARD_ACTION); 654 intent.putExtra("seq", mDelayedShowingSequence); 655 PendingIntent sender = PendingIntent.getBroadcast(mContext, 656 0, intent, PendingIntent.FLAG_CANCEL_CURRENT); 657 mAlarmManager.set(AlarmManager.ELAPSED_REALTIME_WAKEUP, when, sender); 658 if (DEBUG) Log.d(TAG, "setting alarm to turn off keyguard, seq = " 659 + mDelayedShowingSequence); 660 } 661 } 662 663 private void cancelDoKeyguardLaterLocked() { 664 mDelayedShowingSequence++; 665 } 666 667 /** 668 * Let's us know the screen was turned on. 669 */ 670 public void onScreenTurnedOn(IKeyguardShowCallback callback) { 671 synchronized (this) { 672 mScreenOn = true; 673 cancelDoKeyguardLaterLocked(); 674 if (DEBUG) Log.d(TAG, "onScreenTurnedOn, seq = " + mDelayedShowingSequence); 675 if (callback != null) { 676 notifyScreenOnLocked(callback); 677 } 678 } 679 KeyguardUpdateMonitor.getInstance(mContext).dispatchScreenTurnedOn(); 680 maybeSendUserPresentBroadcast(); 681 } 682 683 private void maybeSendUserPresentBroadcast() { 684 if (mSystemReady && mLockPatternUtils.isLockScreenDisabled() 685 && !mUserManager.isUserSwitcherEnabled()) { 686 // Lock screen is disabled because the user has set the preference to "None". 687 // In this case, send out ACTION_USER_PRESENT here instead of in 688 // handleKeyguardDone() 689 sendUserPresentBroadcast(); 690 } 691 } 692 693 /** 694 * A dream started. We should lock after the usual screen-off lock timeout but only 695 * if there is a secure lock pattern. 696 */ 697 public void onDreamingStarted() { 698 synchronized (this) { 699 if (mScreenOn && mLockPatternUtils.isSecure()) { 700 doKeyguardLaterLocked(); 701 } 702 } 703 } 704 705 /** 706 * A dream stopped. 707 */ 708 public void onDreamingStopped() { 709 synchronized (this) { 710 if (mScreenOn) { 711 cancelDoKeyguardLaterLocked(); 712 } 713 } 714 } 715 716 /** 717 * Same semantics as {@link android.view.WindowManagerPolicy#enableKeyguard}; provide 718 * a way for external stuff to override normal keyguard behavior. For instance 719 * the phone app disables the keyguard when it receives incoming calls. 720 */ 721 public void setKeyguardEnabled(boolean enabled) { 722 synchronized (this) { 723 if (DEBUG) Log.d(TAG, "setKeyguardEnabled(" + enabled + ")"); 724 725 mExternallyEnabled = enabled; 726 727 if (!enabled && mShowing) { 728 if (mExitSecureCallback != null) { 729 if (DEBUG) Log.d(TAG, "in process of verifyUnlock request, ignoring"); 730 // we're in the process of handling a request to verify the user 731 // can get past the keyguard. ignore extraneous requests to disable / reenable 732 return; 733 } 734 735 // hiding keyguard that is showing, remember to reshow later 736 if (DEBUG) Log.d(TAG, "remembering to reshow, hiding keyguard, " 737 + "disabling status bar expansion"); 738 mNeedToReshowWhenReenabled = true; 739 hideLocked(); 740 } else if (enabled && mNeedToReshowWhenReenabled) { 741 // reenabled after previously hidden, reshow 742 if (DEBUG) Log.d(TAG, "previously hidden, reshowing, reenabling " 743 + "status bar expansion"); 744 mNeedToReshowWhenReenabled = false; 745 746 if (mExitSecureCallback != null) { 747 if (DEBUG) Log.d(TAG, "onKeyguardExitResult(false), resetting"); 748 try { 749 mExitSecureCallback.onKeyguardExitResult(false); 750 } catch (RemoteException e) { 751 Slog.w(TAG, "Failed to call onKeyguardExitResult(false)", e); 752 } 753 mExitSecureCallback = null; 754 resetStateLocked(); 755 } else { 756 showLocked(null); 757 758 // block until we know the keygaurd is done drawing (and post a message 759 // to unblock us after a timeout so we don't risk blocking too long 760 // and causing an ANR). 761 mWaitingUntilKeyguardVisible = true; 762 mHandler.sendEmptyMessageDelayed(KEYGUARD_DONE_DRAWING, KEYGUARD_DONE_DRAWING_TIMEOUT_MS); 763 if (DEBUG) Log.d(TAG, "waiting until mWaitingUntilKeyguardVisible is false"); 764 while (mWaitingUntilKeyguardVisible) { 765 try { 766 wait(); 767 } catch (InterruptedException e) { 768 Thread.currentThread().interrupt(); 769 } 770 } 771 if (DEBUG) Log.d(TAG, "done waiting for mWaitingUntilKeyguardVisible"); 772 } 773 } 774 } 775 } 776 777 /** 778 * @see android.app.KeyguardManager#exitKeyguardSecurely 779 */ 780 public void verifyUnlock(IKeyguardExitCallback callback) { 781 synchronized (this) { 782 if (DEBUG) Log.d(TAG, "verifyUnlock"); 783 if (!mUpdateMonitor.isDeviceProvisioned()) { 784 // don't allow this api when the device isn't provisioned 785 if (DEBUG) Log.d(TAG, "ignoring because device isn't provisioned"); 786 try { 787 callback.onKeyguardExitResult(false); 788 } catch (RemoteException e) { 789 Slog.w(TAG, "Failed to call onKeyguardExitResult(false)", e); 790 } 791 } else if (mExternallyEnabled) { 792 // this only applies when the user has externally disabled the 793 // keyguard. this is unexpected and means the user is not 794 // using the api properly. 795 Log.w(TAG, "verifyUnlock called when not externally disabled"); 796 try { 797 callback.onKeyguardExitResult(false); 798 } catch (RemoteException e) { 799 Slog.w(TAG, "Failed to call onKeyguardExitResult(false)", e); 800 } 801 } else if (mExitSecureCallback != null) { 802 // already in progress with someone else 803 try { 804 callback.onKeyguardExitResult(false); 805 } catch (RemoteException e) { 806 Slog.w(TAG, "Failed to call onKeyguardExitResult(false)", e); 807 } 808 } else { 809 mExitSecureCallback = callback; 810 verifyUnlockLocked(); 811 } 812 } 813 } 814 815 /** 816 * Is the keyguard currently showing? 817 */ 818 public boolean isShowing() { 819 return mShowing; 820 } 821 822 public boolean isOccluded() { 823 return mOccluded; 824 } 825 826 /** 827 * Is the keyguard currently showing and not being force hidden? 828 */ 829 public boolean isShowingAndNotOccluded() { 830 return mShowing && !mOccluded; 831 } 832 833 /** 834 * Notify us when the keyguard is occluded by another window 835 */ 836 public void setOccluded(boolean isOccluded) { 837 if (DEBUG) Log.d(TAG, "setOccluded " + isOccluded); 838 mHandler.removeMessages(SET_OCCLUDED); 839 Message msg = mHandler.obtainMessage(SET_OCCLUDED, (isOccluded ? 1 : 0), 0); 840 mHandler.sendMessage(msg); 841 } 842 843 /** 844 * Handles SET_OCCLUDED message sent by setOccluded() 845 */ 846 private void handleSetOccluded(boolean isOccluded) { 847 synchronized (KeyguardViewMediator.this) { 848 if (mOccluded != isOccluded) { 849 mOccluded = isOccluded; 850 mStatusBarKeyguardViewManager.setOccluded(isOccluded); 851 updateActivityLockScreenState(); 852 adjustStatusBarLocked(); 853 } 854 } 855 } 856 857 /** 858 * Used by PhoneWindowManager to enable the keyguard due to a user activity timeout. 859 * This must be safe to call from any thread and with any window manager locks held. 860 */ 861 public void doKeyguardTimeout(Bundle options) { 862 mHandler.removeMessages(KEYGUARD_TIMEOUT); 863 Message msg = mHandler.obtainMessage(KEYGUARD_TIMEOUT, options); 864 mHandler.sendMessage(msg); 865 } 866 867 /** 868 * Given the state of the keyguard, is the input restricted? 869 * Input is restricted when the keyguard is showing, or when the keyguard 870 * was suppressed by an app that disabled the keyguard or we haven't been provisioned yet. 871 */ 872 public boolean isInputRestricted() { 873 return mShowing || mNeedToReshowWhenReenabled || !mUpdateMonitor.isDeviceProvisioned(); 874 } 875 876 /** 877 * Enable the keyguard if the settings are appropriate. 878 */ 879 private void doKeyguardLocked(Bundle options) { 880 // if another app is disabling us, don't show 881 if (!mExternallyEnabled) { 882 if (DEBUG) Log.d(TAG, "doKeyguard: not showing because externally disabled"); 883 884 // note: we *should* set mNeedToReshowWhenReenabled=true here, but that makes 885 // for an occasional ugly flicker in this situation: 886 // 1) receive a call with the screen on (no keyguard) or make a call 887 // 2) screen times out 888 // 3) user hits key to turn screen back on 889 // instead, we reenable the keyguard when we know the screen is off and the call 890 // ends (see the broadcast receiver below) 891 // TODO: clean this up when we have better support at the window manager level 892 // for apps that wish to be on top of the keyguard 893 return; 894 } 895 896 // if the keyguard is already showing, don't bother 897 if (mStatusBarKeyguardViewManager.isShowing()) { 898 if (DEBUG) Log.d(TAG, "doKeyguard: not showing because it is already showing"); 899 return; 900 } 901 902 // if the setup wizard hasn't run yet, don't show 903 final boolean requireSim = !SystemProperties.getBoolean("keyguard.no_require_sim", 904 false); 905 final boolean provisioned = mUpdateMonitor.isDeviceProvisioned(); 906 final IccCardConstants.State state = mUpdateMonitor.getSimState(); 907 final boolean lockedOrMissing = state.isPinLocked() 908 || ((state == IccCardConstants.State.ABSENT 909 || state == IccCardConstants.State.PERM_DISABLED) 910 && requireSim); 911 912 if (!lockedOrMissing && !provisioned) { 913 if (DEBUG) Log.d(TAG, "doKeyguard: not showing because device isn't provisioned" 914 + " and the sim is not locked or missing"); 915 return; 916 } 917 918 if (mLockPatternUtils.isLockScreenDisabled() && !lockedOrMissing) { 919 if (DEBUG) Log.d(TAG, "doKeyguard: not showing because lockscreen is off"); 920 return; 921 } 922 923 if (mLockPatternUtils.checkVoldPassword()) { 924 if (DEBUG) Log.d(TAG, "Not showing lock screen since just decrypted"); 925 // Without this, settings is not enabled until the lock screen first appears 926 mShowing = false; 927 hideLocked(); 928 return; 929 } 930 931 if (DEBUG) Log.d(TAG, "doKeyguard: showing the lock screen"); 932 showLocked(options); 933 } 934 935 /** 936 * Dismiss the keyguard through the security layers. 937 */ 938 public void handleDismiss() { 939 if (mShowing && !mOccluded) { 940 mStatusBarKeyguardViewManager.dismiss(); 941 } 942 } 943 944 public void dismiss() { 945 mHandler.sendEmptyMessage(DISMISS); 946 } 947 948 /** 949 * Send message to keyguard telling it to reset its state. 950 * @see #handleReset 951 */ 952 private void resetStateLocked() { 953 if (DEBUG) Log.e(TAG, "resetStateLocked"); 954 Message msg = mHandler.obtainMessage(RESET); 955 mHandler.sendMessage(msg); 956 } 957 958 /** 959 * Send message to keyguard telling it to verify unlock 960 * @see #handleVerifyUnlock() 961 */ 962 private void verifyUnlockLocked() { 963 if (DEBUG) Log.d(TAG, "verifyUnlockLocked"); 964 mHandler.sendEmptyMessage(VERIFY_UNLOCK); 965 } 966 967 968 /** 969 * Send a message to keyguard telling it the screen just turned on. 970 * @see #onScreenTurnedOff(int) 971 * @see #handleNotifyScreenOff 972 */ 973 private void notifyScreenOffLocked() { 974 if (DEBUG) Log.d(TAG, "notifyScreenOffLocked"); 975 mHandler.sendEmptyMessage(NOTIFY_SCREEN_OFF); 976 } 977 978 /** 979 * Send a message to keyguard telling it the screen just turned on. 980 * @see #onScreenTurnedOn 981 * @see #handleNotifyScreenOn 982 */ 983 private void notifyScreenOnLocked(IKeyguardShowCallback result) { 984 if (DEBUG) Log.d(TAG, "notifyScreenOnLocked"); 985 Message msg = mHandler.obtainMessage(NOTIFY_SCREEN_ON, result); 986 mHandler.sendMessage(msg); 987 } 988 989 /** 990 * Send message to keyguard telling it to show itself 991 * @see #handleShow 992 */ 993 private void showLocked(Bundle options) { 994 if (DEBUG) Log.d(TAG, "showLocked"); 995 // ensure we stay awake until we are finished displaying the keyguard 996 mShowKeyguardWakeLock.acquire(); 997 Message msg = mHandler.obtainMessage(SHOW, options); 998 mHandler.sendMessage(msg); 999 } 1000 1001 /** 1002 * Send message to keyguard telling it to hide itself 1003 * @see #handleHide() 1004 */ 1005 private void hideLocked() { 1006 if (DEBUG) Log.d(TAG, "hideLocked"); 1007 Message msg = mHandler.obtainMessage(HIDE); 1008 mHandler.sendMessage(msg); 1009 } 1010 1011 public boolean isSecure() { 1012 return mLockPatternUtils.isSecure() 1013 || KeyguardUpdateMonitor.getInstance(mContext).isSimPinSecure(); 1014 } 1015 1016 /** 1017 * Update the newUserId. Call while holding WindowManagerService lock. 1018 * NOTE: Should only be called by KeyguardViewMediator in response to the user id changing. 1019 * 1020 * @param newUserId The id of the incoming user. 1021 */ 1022 public void setCurrentUser(int newUserId) { 1023 mLockPatternUtils.setCurrentUser(newUserId); 1024 } 1025 1026 private final BroadcastReceiver mBroadcastReceiver = new BroadcastReceiver() { 1027 @Override 1028 public void onReceive(Context context, Intent intent) { 1029 if (DELAYED_KEYGUARD_ACTION.equals(intent.getAction())) { 1030 final int sequence = intent.getIntExtra("seq", 0); 1031 if (DEBUG) Log.d(TAG, "received DELAYED_KEYGUARD_ACTION with seq = " 1032 + sequence + ", mDelayedShowingSequence = " + mDelayedShowingSequence); 1033 synchronized (KeyguardViewMediator.this) { 1034 if (mDelayedShowingSequence == sequence) { 1035 // Don't play lockscreen SFX if the screen went off due to timeout. 1036 mSuppressNextLockSound = true; 1037 doKeyguardLocked(null); 1038 } 1039 } 1040 } 1041 } 1042 }; 1043 1044 public void keyguardDone(boolean authenticated, boolean wakeup) { 1045 if (DEBUG) Log.d(TAG, "keyguardDone(" + authenticated + ")"); 1046 EventLog.writeEvent(70000, 2); 1047 synchronized (this) { 1048 mKeyguardDonePending = false; 1049 } 1050 Message msg = mHandler.obtainMessage(KEYGUARD_DONE, authenticated ? 1 : 0, wakeup ? 1 : 0); 1051 mHandler.sendMessage(msg); 1052 } 1053 1054 /** 1055 * This handler will be associated with the policy thread, which will also 1056 * be the UI thread of the keyguard. Since the apis of the policy, and therefore 1057 * this class, can be called by other threads, any action that directly 1058 * interacts with the keyguard ui should be posted to this handler, rather 1059 * than called directly. 1060 */ 1061 private Handler mHandler = new Handler(Looper.myLooper(), null, true /*async*/) { 1062 @Override 1063 public void handleMessage(Message msg) { 1064 switch (msg.what) { 1065 case SHOW: 1066 handleShow((Bundle) msg.obj); 1067 break; 1068 case HIDE: 1069 handleHide(); 1070 break; 1071 case RESET: 1072 handleReset(); 1073 break; 1074 case VERIFY_UNLOCK: 1075 handleVerifyUnlock(); 1076 break; 1077 case NOTIFY_SCREEN_OFF: 1078 handleNotifyScreenOff(); 1079 break; 1080 case NOTIFY_SCREEN_ON: 1081 handleNotifyScreenOn((IKeyguardShowCallback) msg.obj); 1082 break; 1083 case KEYGUARD_DONE: 1084 handleKeyguardDone(msg.arg1 != 0, msg.arg2 != 0); 1085 break; 1086 case KEYGUARD_DONE_DRAWING: 1087 handleKeyguardDoneDrawing(); 1088 break; 1089 case KEYGUARD_DONE_AUTHENTICATING: 1090 keyguardDone(true, true); 1091 break; 1092 case SET_OCCLUDED: 1093 handleSetOccluded(msg.arg1 != 0); 1094 break; 1095 case KEYGUARD_TIMEOUT: 1096 synchronized (KeyguardViewMediator.this) { 1097 doKeyguardLocked((Bundle) msg.obj); 1098 } 1099 break; 1100 case DISMISS: 1101 handleDismiss(); 1102 break; 1103 case START_KEYGUARD_EXIT_ANIM: 1104 StartKeyguardExitAnimParams params = (StartKeyguardExitAnimParams) msg.obj; 1105 handleStartKeyguardExitAnimation(params.startTime, params.fadeoutDuration); 1106 break; 1107 case ON_ACTIVITY_DRAWN: 1108 handleOnActivityDrawn(); 1109 break; 1110 } 1111 } 1112 }; 1113 1114 /** 1115 * @see #keyguardDone 1116 * @see #KEYGUARD_DONE 1117 */ 1118 private void handleKeyguardDone(boolean authenticated, boolean wakeup) { 1119 if (DEBUG) Log.d(TAG, "handleKeyguardDone"); 1120 1121 if (authenticated) { 1122 mUpdateMonitor.clearFailedUnlockAttempts(); 1123 } 1124 mUpdateMonitor.clearFingerprintRecognized(); 1125 1126 if (mExitSecureCallback != null) { 1127 try { 1128 mExitSecureCallback.onKeyguardExitResult(authenticated); 1129 } catch (RemoteException e) { 1130 Slog.w(TAG, "Failed to call onKeyguardExitResult(" + authenticated + ")", e); 1131 } 1132 1133 mExitSecureCallback = null; 1134 1135 if (authenticated) { 1136 // after succesfully exiting securely, no need to reshow 1137 // the keyguard when they've released the lock 1138 mExternallyEnabled = true; 1139 mNeedToReshowWhenReenabled = false; 1140 } 1141 } 1142 1143 handleHide(); 1144 sendUserPresentBroadcast(); 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 } 1316 } 1317 1318 private void adjustStatusBarLocked() { 1319 if (mStatusBarManager == null) { 1320 mStatusBarManager = (StatusBarManager) 1321 mContext.getSystemService(Context.STATUS_BAR_SERVICE); 1322 } 1323 if (mStatusBarManager == null) { 1324 Log.w(TAG, "Could not get status bar manager"); 1325 } else { 1326 // Disable aspects of the system/status/navigation bars that must not be re-enabled by 1327 // windows that appear on top, ever 1328 int flags = StatusBarManager.DISABLE_NONE; 1329 if (mShowing) { 1330 // Permanently disable components not available when keyguard is enabled 1331 // (like recents). Temporary enable/disable (e.g. the "back" button) are 1332 // done in KeyguardHostView. 1333 flags |= StatusBarManager.DISABLE_RECENT; 1334 flags |= StatusBarManager.DISABLE_SEARCH; 1335 } 1336 if (isShowingAndNotOccluded()) { 1337 flags |= StatusBarManager.DISABLE_HOME; 1338 } 1339 1340 if (DEBUG) { 1341 Log.d(TAG, "adjustStatusBarLocked: mShowing=" + mShowing + " mOccluded=" + mOccluded 1342 + " isSecure=" + isSecure() + " --> flags=0x" + Integer.toHexString(flags)); 1343 } 1344 1345 if (!(mContext instanceof Activity)) { 1346 mStatusBarManager.disable(flags); 1347 } 1348 } 1349 } 1350 1351 /** 1352 * Handle message sent by {@link #resetStateLocked} 1353 * @see #RESET 1354 */ 1355 private void handleReset() { 1356 synchronized (KeyguardViewMediator.this) { 1357 if (DEBUG) Log.d(TAG, "handleReset"); 1358 mStatusBarKeyguardViewManager.reset(); 1359 } 1360 } 1361 1362 /** 1363 * Handle message sent by {@link #verifyUnlock} 1364 * @see #VERIFY_UNLOCK 1365 */ 1366 private void handleVerifyUnlock() { 1367 synchronized (KeyguardViewMediator.this) { 1368 if (DEBUG) Log.d(TAG, "handleVerifyUnlock"); 1369 mStatusBarKeyguardViewManager.verifyUnlock(); 1370 mShowing = true; 1371 updateActivityLockScreenState(); 1372 } 1373 } 1374 1375 /** 1376 * Handle message sent by {@link #notifyScreenOffLocked()} 1377 * @see #NOTIFY_SCREEN_OFF 1378 */ 1379 private void handleNotifyScreenOff() { 1380 synchronized (KeyguardViewMediator.this) { 1381 if (DEBUG) Log.d(TAG, "handleNotifyScreenOff"); 1382 mStatusBarKeyguardViewManager.onScreenTurnedOff(); 1383 } 1384 } 1385 1386 /** 1387 * Handle message sent by {@link #notifyScreenOnLocked} 1388 * @see #NOTIFY_SCREEN_ON 1389 */ 1390 private void handleNotifyScreenOn(IKeyguardShowCallback callback) { 1391 synchronized (KeyguardViewMediator.this) { 1392 if (DEBUG) Log.d(TAG, "handleNotifyScreenOn"); 1393 mStatusBarKeyguardViewManager.onScreenTurnedOn(callback); 1394 } 1395 } 1396 1397 public boolean isDismissable() { 1398 return mKeyguardDonePending || !isSecure(); 1399 } 1400 1401 private boolean isAssistantAvailable() { 1402 return mSearchManager != null 1403 && mSearchManager.getAssistIntent(mContext, false, UserHandle.USER_CURRENT) != null; 1404 } 1405 1406 public void onBootCompleted() { 1407 mUpdateMonitor.dispatchBootCompleted(); 1408 } 1409 1410 public StatusBarKeyguardViewManager registerStatusBar(PhoneStatusBar phoneStatusBar, 1411 ViewGroup container, StatusBarWindowManager statusBarWindowManager, 1412 ScrimController scrimController) { 1413 mStatusBarKeyguardViewManager.registerStatusBar(phoneStatusBar, container, 1414 statusBarWindowManager, scrimController); 1415 return mStatusBarKeyguardViewManager; 1416 } 1417 1418 public void startKeyguardExitAnimation(long startTime, long fadeoutDuration) { 1419 Message msg = mHandler.obtainMessage(START_KEYGUARD_EXIT_ANIM, 1420 new StartKeyguardExitAnimParams(startTime, fadeoutDuration)); 1421 mHandler.sendMessage(msg); 1422 } 1423 1424 public void onActivityDrawn() { 1425 mHandler.sendEmptyMessage(ON_ACTIVITY_DRAWN); 1426 } 1427 public ViewMediatorCallback getViewMediatorCallback() { 1428 return mViewMediatorCallback; 1429 } 1430 1431 private static class StartKeyguardExitAnimParams { 1432 1433 long startTime; 1434 long fadeoutDuration; 1435 1436 private StartKeyguardExitAnimParams(long startTime, long fadeoutDuration) { 1437 this.startTime = startTime; 1438 this.fadeoutDuration = fadeoutDuration; 1439 } 1440 } 1441} 1442