KeyguardViewMediator.java revision ea65706d89dc1ab3f295eb53dca548ea39fcb456
1/* 2 * Copyright (C) 2014 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License 15 */ 16 17package com.android.systemui.keyguard; 18 19import android.app.Activity; 20import android.app.ActivityManager; 21import android.app.ActivityManagerNative; 22import android.app.AlarmManager; 23import android.app.PendingIntent; 24import android.app.SearchManager; 25import android.app.StatusBarManager; 26import android.app.trust.TrustManager; 27import android.content.BroadcastReceiver; 28import android.content.ContentResolver; 29import android.content.Context; 30import android.content.Intent; 31import android.content.IntentFilter; 32import android.content.pm.UserInfo; 33import android.media.AudioManager; 34import android.media.SoundPool; 35import android.os.Bundle; 36import android.os.Handler; 37import android.os.Looper; 38import android.os.Message; 39import android.os.PowerManager; 40import android.os.RemoteException; 41import android.os.SystemClock; 42import android.os.SystemProperties; 43import android.os.UserHandle; 44import android.os.UserManager; 45import android.provider.Settings; 46import android.telephony.SubscriptionManager; 47import android.telephony.TelephonyManager; 48import android.util.EventLog; 49import android.util.Log; 50import android.util.Slog; 51import android.view.IWindowManager; 52import android.view.ViewGroup; 53import android.view.WindowManagerGlobal; 54import android.view.WindowManagerPolicy; 55import android.view.animation.Animation; 56import android.view.animation.AnimationUtils; 57import com.android.internal.policy.IKeyguardExitCallback; 58import com.android.internal.policy.IKeyguardShowCallback; 59import com.android.internal.policy.IKeyguardStateCallback; 60import com.android.internal.telephony.IccCardConstants; 61import com.android.internal.widget.LockPatternUtils; 62import com.android.keyguard.KeyguardConstants; 63import com.android.keyguard.KeyguardDisplayManager; 64import com.android.keyguard.KeyguardUpdateMonitor; 65import com.android.keyguard.KeyguardUpdateMonitorCallback; 66import com.android.keyguard.ViewMediatorCallback; 67import com.android.systemui.SystemUI; 68import com.android.systemui.statusbar.phone.PhoneStatusBar; 69import com.android.systemui.statusbar.phone.ScrimController; 70import com.android.systemui.statusbar.phone.StatusBarKeyguardViewManager; 71import com.android.systemui.statusbar.phone.StatusBarWindowManager; 72 73import java.util.ArrayList; 74import java.util.List; 75 76import static android.provider.Settings.System.SCREEN_OFF_TIMEOUT; 77 78 79/** 80 * Mediates requests related to the keyguard. This includes queries about the 81 * state of the keyguard, power management events that effect whether the keyguard 82 * should be shown or reset, callbacks to the phone window manager to notify 83 * it of when the keyguard is showing, and events from the keyguard view itself 84 * stating that the keyguard was succesfully unlocked. 85 * 86 * Note that the keyguard view is shown when the screen is off (as appropriate) 87 * so that once the screen comes on, it will be ready immediately. 88 * 89 * Example queries about the keyguard: 90 * - is {movement, key} one that should wake the keygaurd? 91 * - is the keyguard showing? 92 * - are input events restricted due to the state of the keyguard? 93 * 94 * Callbacks to the phone window manager: 95 * - the keyguard is showing 96 * 97 * Example external events that translate to keyguard view changes: 98 * - screen turned off -> reset the keyguard, and show it so it will be ready 99 * next time the screen turns on 100 * - keyboard is slid open -> if the keyguard is not secure, hide it 101 * 102 * Events from the keyguard view: 103 * - user succesfully unlocked keyguard -> hide keyguard view, and no longer 104 * restrict input events. 105 * 106 * Note: in addition to normal power managment events that effect the state of 107 * whether the keyguard should be showing, external apps and services may request 108 * that the keyguard be disabled via {@link #setKeyguardEnabled(boolean)}. When 109 * false, this will override all other conditions for turning on the keyguard. 110 * 111 * Threading and synchronization: 112 * This class is created by the initialization routine of the {@link android.view.WindowManagerPolicy}, 113 * and runs on its thread. The keyguard UI is created from that thread in the 114 * constructor of this class. The apis may be called from other threads, including the 115 * {@link com.android.server.input.InputManagerService}'s and {@link android.view.WindowManager}'s. 116 * Therefore, methods on this class are synchronized, and any action that is pointed 117 * directly to the keyguard UI is posted to a {@link android.os.Handler} to ensure it is taken on the UI 118 * thread of the keyguard. 119 */ 120public class KeyguardViewMediator extends SystemUI { 121 private static final int KEYGUARD_DISPLAY_TIMEOUT_DELAY_DEFAULT = 30000; 122 private static final long KEYGUARD_DONE_PENDING_TIMEOUT_MS = 3000; 123 124 private static final boolean DEBUG = KeyguardConstants.DEBUG; 125 private static final boolean DEBUG_SIM_STATES = KeyguardConstants.DEBUG_SIM_STATES; 126 private final static boolean DBG_WAKE = false; 127 128 private final static String TAG = "KeyguardViewMediator"; 129 130 private static final String DELAYED_KEYGUARD_ACTION = 131 "com.android.internal.policy.impl.PhoneWindowManager.DELAYED_KEYGUARD"; 132 133 // used for handler messages 134 private static final int SHOW = 2; 135 private static final int HIDE = 3; 136 private static final int RESET = 4; 137 private static final int VERIFY_UNLOCK = 5; 138 private static final int NOTIFY_SCREEN_OFF = 6; 139 private static final int NOTIFY_SCREEN_ON = 7; 140 private static final int KEYGUARD_DONE = 9; 141 private static final int KEYGUARD_DONE_DRAWING = 10; 142 private static final int KEYGUARD_DONE_AUTHENTICATING = 11; 143 private static final int SET_OCCLUDED = 12; 144 private static final int KEYGUARD_TIMEOUT = 13; 145 private static final int DISMISS = 17; 146 private static final int START_KEYGUARD_EXIT_ANIM = 18; 147 private static final int ON_ACTIVITY_DRAWN = 19; 148 private static final int KEYGUARD_DONE_PENDING_TIMEOUT = 20; 149 150 /** 151 * The default amount of time we stay awake (used for all key input) 152 */ 153 public static final int AWAKE_INTERVAL_DEFAULT_MS = 10000; 154 155 /** 156 * How long to wait after the screen turns off due to timeout before 157 * turning on the keyguard (i.e, the user has this much time to turn 158 * the screen back on without having to face the keyguard). 159 */ 160 private static final int KEYGUARD_LOCK_AFTER_DELAY_DEFAULT = 5000; 161 162 /** 163 * How long we'll wait for the {@link ViewMediatorCallback#keyguardDoneDrawing()} 164 * callback before unblocking a call to {@link #setKeyguardEnabled(boolean)} 165 * that is reenabling the keyguard. 166 */ 167 private static final int KEYGUARD_DONE_DRAWING_TIMEOUT_MS = 2000; 168 169 /** 170 * Secure setting whether analytics are collected on the keyguard. 171 */ 172 private static final String KEYGUARD_ANALYTICS_SETTING = "keyguard_analytics"; 173 174 /** 175 * How much faster we collapse the lockscreen when authenticating with fingerprint. 176 */ 177 private static final float FINGERPRINT_COLLAPSE_SPEEDUP_FACTOR = 1.3f; 178 179 /** The stream type that the lock sounds are tied to. */ 180 private int mUiSoundsStreamType; 181 182 private AlarmManager mAlarmManager; 183 private AudioManager mAudioManager; 184 private StatusBarManager mStatusBarManager; 185 private boolean mSwitchingUser; 186 187 private boolean mSystemReady; 188 private boolean mBootCompleted; 189 private boolean mBootSendUserPresent; 190 191 // Whether the next call to playSounds() should be skipped. Defaults to 192 // true because the first lock (on boot) should be silent. 193 private boolean mSuppressNextLockSound = true; 194 195 196 /** High level access to the power manager for WakeLocks */ 197 private PowerManager mPM; 198 199 /** High level access to the window manager for dismissing keyguard animation */ 200 private IWindowManager mWM; 201 202 203 /** TrustManager for letting it know when we change visibility */ 204 private TrustManager mTrustManager; 205 206 /** SearchManager for determining whether or not search assistant is available */ 207 private SearchManager mSearchManager; 208 209 /** 210 * Used to keep the device awake while to ensure the keyguard finishes opening before 211 * we sleep. 212 */ 213 private PowerManager.WakeLock mShowKeyguardWakeLock; 214 215 private StatusBarKeyguardViewManager mStatusBarKeyguardViewManager; 216 217 // these are protected by synchronized (this) 218 219 /** 220 * External apps (like the phone app) can tell us to disable the keygaurd. 221 */ 222 private boolean mExternallyEnabled = true; 223 224 /** 225 * Remember if an external call to {@link #setKeyguardEnabled} with value 226 * false caused us to hide the keyguard, so that we need to reshow it once 227 * the keygaurd is reenabled with another call with value true. 228 */ 229 private boolean mNeedToReshowWhenReenabled = false; 230 231 // cached value of whether we are showing (need to know this to quickly 232 // answer whether the input should be restricted) 233 private boolean mShowing; 234 235 /** Cached value of #isInputRestricted */ 236 private boolean mInputRestricted; 237 238 // true if the keyguard is hidden by another window 239 private boolean mOccluded = false; 240 241 /** 242 * Helps remember whether the screen has turned on since the last time 243 * it turned off due to timeout. see {@link #onScreenTurnedOff(int)} 244 */ 245 private int mDelayedShowingSequence; 246 247 /** 248 * If the user has disabled the keyguard, then requests to exit, this is 249 * how we'll ultimately let them know whether it was successful. We use this 250 * var being non-null as an indicator that there is an in progress request. 251 */ 252 private IKeyguardExitCallback mExitSecureCallback; 253 254 // the properties of the keyguard 255 256 private KeyguardUpdateMonitor mUpdateMonitor; 257 258 private boolean mScreenOn; 259 260 // last known state of the cellular connection 261 private String mPhoneState = TelephonyManager.EXTRA_STATE_IDLE; 262 263 /** 264 * Whether a hide is pending an we are just waiting for #startKeyguardExitAnimation to be 265 * called. 266 * */ 267 private boolean mHiding; 268 269 /** 270 * we send this intent when the keyguard is dismissed. 271 */ 272 private static final Intent USER_PRESENT_INTENT = new Intent(Intent.ACTION_USER_PRESENT) 273 .addFlags(Intent.FLAG_RECEIVER_REPLACE_PENDING 274 | Intent.FLAG_RECEIVER_REGISTERED_ONLY_BEFORE_BOOT); 275 276 /** 277 * {@link #setKeyguardEnabled} waits on this condition when it reenables 278 * the keyguard. 279 */ 280 private boolean mWaitingUntilKeyguardVisible = false; 281 private LockPatternUtils mLockPatternUtils; 282 private boolean mKeyguardDonePending = false; 283 private boolean mHideAnimationRun = false; 284 285 private SoundPool mLockSounds; 286 private int mLockSoundId; 287 private int mUnlockSoundId; 288 private int mTrustedSoundId; 289 private int mLockSoundStreamId; 290 291 /** 292 * The animation used for hiding keyguard. This is used to fetch the animation timings if 293 * WindowManager is not providing us with them. 294 */ 295 private Animation mHideAnimation; 296 297 /** 298 * The volume applied to the lock/unlock sounds. 299 */ 300 private float mLockSoundVolume; 301 302 /** 303 * For managing external displays 304 */ 305 private KeyguardDisplayManager mKeyguardDisplayManager; 306 307 private final ArrayList<IKeyguardStateCallback> mKeyguardStateCallbacks = new ArrayList<>(); 308 309 KeyguardUpdateMonitorCallback mUpdateCallback = new KeyguardUpdateMonitorCallback() { 310 311 @Override 312 public void onUserSwitching(int userId) { 313 // Note that the mLockPatternUtils user has already been updated from setCurrentUser. 314 // We need to force a reset of the views, since lockNow (called by 315 // ActivityManagerService) will not reconstruct the keyguard if it is already showing. 316 synchronized (KeyguardViewMediator.this) { 317 mSwitchingUser = true; 318 resetKeyguardDonePendingLocked(); 319 resetStateLocked(); 320 adjustStatusBarLocked(); 321 } 322 } 323 324 @Override 325 public void onUserSwitchComplete(int userId) { 326 mSwitchingUser = false; 327 if (userId != UserHandle.USER_OWNER) { 328 UserInfo info = UserManager.get(mContext).getUserInfo(userId); 329 if (info != null && info.isGuest()) { 330 // If we just switched to a guest, try to dismiss keyguard. 331 dismiss(); 332 } 333 } 334 } 335 336 @Override 337 public void onUserInfoChanged(int userId) { 338 } 339 340 @Override 341 public void onPhoneStateChanged(int phoneState) { 342 synchronized (KeyguardViewMediator.this) { 343 if (TelephonyManager.CALL_STATE_IDLE == phoneState // call ending 344 && !mScreenOn // screen off 345 && mExternallyEnabled) { // not disabled by any app 346 347 // note: this is a way to gracefully reenable the keyguard when the call 348 // ends and the screen is off without always reenabling the keyguard 349 // each time the screen turns off while in call (and having an occasional ugly 350 // flicker while turning back on the screen and disabling the keyguard again). 351 if (DEBUG) Log.d(TAG, "screen is off and call ended, let's make sure the " 352 + "keyguard is showing"); 353 doKeyguardLocked(null); 354 } 355 } 356 } 357 358 @Override 359 public void onClockVisibilityChanged() { 360 adjustStatusBarLocked(); 361 } 362 363 @Override 364 public void onDeviceProvisioned() { 365 sendUserPresentBroadcast(); 366 updateInputRestricted(); 367 } 368 369 @Override 370 public void onSimStateChanged(int subId, int slotId, IccCardConstants.State simState) { 371 372 if (DEBUG_SIM_STATES) { 373 Log.d(TAG, "onSimStateChanged(subId=" + subId + ", slotId=" + slotId 374 + ",state=" + simState + ")"); 375 } 376 377 try { 378 int size = mKeyguardStateCallbacks.size(); 379 boolean simPinSecure = mUpdateMonitor.isSimPinSecure(); 380 for (int i = 0; i < size; i++) { 381 mKeyguardStateCallbacks.get(i).onSimSecureStateChanged(simPinSecure); 382 } 383 } catch (RemoteException e) { 384 Slog.w(TAG, "Failed to call onSimSecureStateChanged", e); 385 } 386 387 switch (simState) { 388 case NOT_READY: 389 case ABSENT: 390 // only force lock screen in case of missing sim if user hasn't 391 // gone through setup wizard 392 synchronized (this) { 393 if (shouldWaitForProvisioning()) { 394 if (!mShowing) { 395 if (DEBUG_SIM_STATES) Log.d(TAG, "ICC_ABSENT isn't showing," 396 + " we need to show the keyguard since the " 397 + "device isn't provisioned yet."); 398 doKeyguardLocked(null); 399 } else { 400 resetStateLocked(); 401 } 402 } 403 } 404 break; 405 case PIN_REQUIRED: 406 case PUK_REQUIRED: 407 synchronized (this) { 408 if (!mShowing) { 409 if (DEBUG_SIM_STATES) Log.d(TAG, 410 "INTENT_VALUE_ICC_LOCKED and keygaurd isn't " 411 + "showing; need to show keyguard so user can enter sim pin"); 412 doKeyguardLocked(null); 413 } else { 414 resetStateLocked(); 415 } 416 } 417 break; 418 case PERM_DISABLED: 419 synchronized (this) { 420 if (!mShowing) { 421 if (DEBUG_SIM_STATES) Log.d(TAG, "PERM_DISABLED and " 422 + "keygaurd isn't showing."); 423 doKeyguardLocked(null); 424 } else { 425 if (DEBUG_SIM_STATES) Log.d(TAG, "PERM_DISABLED, resetStateLocked to" 426 + "show permanently disabled message in lockscreen."); 427 resetStateLocked(); 428 } 429 } 430 break; 431 case READY: 432 synchronized (this) { 433 if (mShowing) { 434 resetStateLocked(); 435 } 436 } 437 break; 438 default: 439 if (DEBUG_SIM_STATES) Log.v(TAG, "Ignoring state: " + simState); 440 break; 441 } 442 } 443 444 @Override 445 public void onFingerprintAuthenticated(int userId) { 446 if (mStatusBarKeyguardViewManager.isBouncerShowing()) { 447 mViewMediatorCallback.keyguardDone(true); 448 } else { 449 mStatusBarKeyguardViewManager.animateCollapsePanels( 450 FINGERPRINT_COLLAPSE_SPEEDUP_FACTOR); 451 } 452 }; 453 454 }; 455 456 ViewMediatorCallback mViewMediatorCallback = new ViewMediatorCallback() { 457 458 public void userActivity() { 459 KeyguardViewMediator.this.userActivity(); 460 } 461 462 public void keyguardDone(boolean authenticated) { 463 if (!mKeyguardDonePending) { 464 KeyguardViewMediator.this.keyguardDone(authenticated, true); 465 } 466 } 467 468 public void keyguardDoneDrawing() { 469 mHandler.sendEmptyMessage(KEYGUARD_DONE_DRAWING); 470 } 471 472 @Override 473 public void setNeedsInput(boolean needsInput) { 474 mStatusBarKeyguardViewManager.setNeedsInput(needsInput); 475 } 476 477 @Override 478 public void keyguardDonePending() { 479 mKeyguardDonePending = true; 480 mHideAnimationRun = true; 481 mStatusBarKeyguardViewManager.startPreHideAnimation(null /* finishRunnable */); 482 mHandler.sendEmptyMessageDelayed(KEYGUARD_DONE_PENDING_TIMEOUT, 483 KEYGUARD_DONE_PENDING_TIMEOUT_MS); 484 } 485 486 @Override 487 public void keyguardGone() { 488 mKeyguardDisplayManager.hide(); 489 } 490 491 @Override 492 public void readyForKeyguardDone() { 493 if (mKeyguardDonePending) { 494 // Somebody has called keyguardDonePending before, which means that we are 495 // authenticated 496 KeyguardViewMediator.this.keyguardDone(true /* authenticated */, true /* wakeUp */); 497 } 498 } 499 500 @Override 501 public void resetKeyguard() { 502 resetStateLocked(); 503 } 504 505 @Override 506 public void playTrustedSound() { 507 KeyguardViewMediator.this.playTrustedSound(); 508 } 509 510 @Override 511 public boolean isInputRestricted() { 512 return KeyguardViewMediator.this.isInputRestricted(); 513 } 514 515 @Override 516 public boolean isScreenOn() { 517 return mScreenOn; 518 } 519 }; 520 521 public void userActivity() { 522 mPM.userActivity(SystemClock.uptimeMillis(), false); 523 } 524 525 private void setupLocked() { 526 mPM = (PowerManager) mContext.getSystemService(Context.POWER_SERVICE); 527 mWM = WindowManagerGlobal.getWindowManagerService(); 528 mTrustManager = (TrustManager) mContext.getSystemService(Context.TRUST_SERVICE); 529 530 mShowKeyguardWakeLock = mPM.newWakeLock(PowerManager.PARTIAL_WAKE_LOCK, "show keyguard"); 531 mShowKeyguardWakeLock.setReferenceCounted(false); 532 533 mContext.registerReceiver(mBroadcastReceiver, new IntentFilter(DELAYED_KEYGUARD_ACTION)); 534 535 mKeyguardDisplayManager = new KeyguardDisplayManager(mContext); 536 537 mAlarmManager = (AlarmManager) mContext.getSystemService(Context.ALARM_SERVICE); 538 539 mUpdateMonitor = KeyguardUpdateMonitor.getInstance(mContext); 540 541 mLockPatternUtils = new LockPatternUtils(mContext); 542 mLockPatternUtils.setCurrentUser(ActivityManager.getCurrentUser()); 543 544 // Assume keyguard is showing (unless it's disabled) until we know for sure... 545 setShowingLocked(!shouldWaitForProvisioning() && !mLockPatternUtils.isLockScreenDisabled()); 546 mTrustManager.reportKeyguardShowingChanged(); 547 548 mStatusBarKeyguardViewManager = new StatusBarKeyguardViewManager(mContext, 549 mViewMediatorCallback, mLockPatternUtils); 550 final ContentResolver cr = mContext.getContentResolver(); 551 552 mScreenOn = mPM.isScreenOn(); 553 554 mLockSounds = new SoundPool(1, AudioManager.STREAM_SYSTEM, 0); 555 String soundPath = Settings.Global.getString(cr, Settings.Global.LOCK_SOUND); 556 if (soundPath != null) { 557 mLockSoundId = mLockSounds.load(soundPath, 1); 558 } 559 if (soundPath == null || mLockSoundId == 0) { 560 Log.w(TAG, "failed to load lock sound from " + soundPath); 561 } 562 soundPath = Settings.Global.getString(cr, Settings.Global.UNLOCK_SOUND); 563 if (soundPath != null) { 564 mUnlockSoundId = mLockSounds.load(soundPath, 1); 565 } 566 if (soundPath == null || mUnlockSoundId == 0) { 567 Log.w(TAG, "failed to load unlock sound from " + soundPath); 568 } 569 soundPath = Settings.Global.getString(cr, Settings.Global.TRUSTED_SOUND); 570 if (soundPath != null) { 571 mTrustedSoundId = mLockSounds.load(soundPath, 1); 572 } 573 if (soundPath == null || mTrustedSoundId == 0) { 574 Log.w(TAG, "failed to load trusted sound from " + soundPath); 575 } 576 577 int lockSoundDefaultAttenuation = mContext.getResources().getInteger( 578 com.android.internal.R.integer.config_lockSoundVolumeDb); 579 mLockSoundVolume = (float)Math.pow(10, (float)lockSoundDefaultAttenuation/20); 580 581 mHideAnimation = AnimationUtils.loadAnimation(mContext, 582 com.android.internal.R.anim.lock_screen_behind_enter); 583 } 584 585 @Override 586 public void start() { 587 synchronized (this) { 588 setupLocked(); 589 } 590 putComponent(KeyguardViewMediator.class, this); 591 } 592 593 /** 594 * Let us know that the system is ready after startup. 595 */ 596 public void onSystemReady() { 597 mSearchManager = (SearchManager) mContext.getSystemService(Context.SEARCH_SERVICE); 598 synchronized (this) { 599 if (DEBUG) Log.d(TAG, "onSystemReady"); 600 mSystemReady = true; 601 mUpdateMonitor.registerCallback(mUpdateCallback); 602 603 doKeyguardLocked(null); 604 } 605 // Most services aren't available until the system reaches the ready state, so we 606 // send it here when the device first boots. 607 maybeSendUserPresentBroadcast(); 608 } 609 610 /** 611 * Called to let us know the screen was turned off. 612 * @param why either {@link android.view.WindowManagerPolicy#OFF_BECAUSE_OF_USER} or 613 * {@link android.view.WindowManagerPolicy#OFF_BECAUSE_OF_TIMEOUT}. 614 */ 615 public void onScreenTurnedOff(int why) { 616 synchronized (this) { 617 mScreenOn = false; 618 if (DEBUG) Log.d(TAG, "onScreenTurnedOff(" + why + ")"); 619 620 resetKeyguardDonePendingLocked(); 621 mHideAnimationRun = false; 622 623 // Lock immediately based on setting if secure (user has a pin/pattern/password). 624 // This also "locks" the device when not secure to provide easy access to the 625 // camera while preventing unwanted input. 626 final boolean lockImmediately = 627 mLockPatternUtils.getPowerButtonInstantlyLocks() || !mLockPatternUtils.isSecure(); 628 629 notifyScreenOffLocked(); 630 631 if (mExitSecureCallback != null) { 632 if (DEBUG) Log.d(TAG, "pending exit secure callback cancelled"); 633 try { 634 mExitSecureCallback.onKeyguardExitResult(false); 635 } catch (RemoteException e) { 636 Slog.w(TAG, "Failed to call onKeyguardExitResult(false)", e); 637 } 638 mExitSecureCallback = null; 639 if (!mExternallyEnabled) { 640 hideLocked(); 641 } 642 } else if (mShowing) { 643 resetStateLocked(); 644 } else if (why == WindowManagerPolicy.OFF_BECAUSE_OF_TIMEOUT 645 || (why == WindowManagerPolicy.OFF_BECAUSE_OF_USER && !lockImmediately)) { 646 doKeyguardLaterLocked(); 647 } else { 648 doKeyguardLocked(null); 649 } 650 } 651 KeyguardUpdateMonitor.getInstance(mContext).dispatchScreenTurnedOff(why); 652 } 653 654 private void doKeyguardLaterLocked() { 655 // if the screen turned off because of timeout or the user hit the power button 656 // and we don't need to lock immediately, set an alarm 657 // to enable it a little bit later (i.e, give the user a chance 658 // to turn the screen back on within a certain window without 659 // having to unlock the screen) 660 final ContentResolver cr = mContext.getContentResolver(); 661 662 // From DisplaySettings 663 long displayTimeout = Settings.System.getInt(cr, SCREEN_OFF_TIMEOUT, 664 KEYGUARD_DISPLAY_TIMEOUT_DELAY_DEFAULT); 665 666 // From SecuritySettings 667 final long lockAfterTimeout = Settings.Secure.getInt(cr, 668 Settings.Secure.LOCK_SCREEN_LOCK_AFTER_TIMEOUT, 669 KEYGUARD_LOCK_AFTER_DELAY_DEFAULT); 670 671 // From DevicePolicyAdmin 672 final long policyTimeout = mLockPatternUtils.getDevicePolicyManager() 673 .getMaximumTimeToLock(null, mLockPatternUtils.getCurrentUser()); 674 675 long timeout; 676 if (policyTimeout > 0) { 677 // policy in effect. Make sure we don't go beyond policy limit. 678 displayTimeout = Math.max(displayTimeout, 0); // ignore negative values 679 timeout = Math.min(policyTimeout - displayTimeout, lockAfterTimeout); 680 } else { 681 timeout = lockAfterTimeout; 682 } 683 684 if (timeout <= 0) { 685 // Lock now 686 mSuppressNextLockSound = true; 687 doKeyguardLocked(null); 688 } else { 689 // Lock in the future 690 long when = SystemClock.elapsedRealtime() + timeout; 691 Intent intent = new Intent(DELAYED_KEYGUARD_ACTION); 692 intent.putExtra("seq", mDelayedShowingSequence); 693 PendingIntent sender = PendingIntent.getBroadcast(mContext, 694 0, intent, PendingIntent.FLAG_CANCEL_CURRENT); 695 mAlarmManager.set(AlarmManager.ELAPSED_REALTIME_WAKEUP, when, sender); 696 if (DEBUG) Log.d(TAG, "setting alarm to turn off keyguard, seq = " 697 + mDelayedShowingSequence); 698 } 699 } 700 701 private void cancelDoKeyguardLaterLocked() { 702 mDelayedShowingSequence++; 703 } 704 705 /** 706 * Let's us know the screen was turned on. 707 */ 708 public void onScreenTurnedOn(IKeyguardShowCallback callback) { 709 synchronized (this) { 710 mScreenOn = true; 711 cancelDoKeyguardLaterLocked(); 712 if (DEBUG) Log.d(TAG, "onScreenTurnedOn, seq = " + mDelayedShowingSequence); 713 if (callback != null) { 714 notifyScreenOnLocked(callback); 715 } 716 } 717 KeyguardUpdateMonitor.getInstance(mContext).dispatchScreenTurnedOn(); 718 maybeSendUserPresentBroadcast(); 719 } 720 721 private void maybeSendUserPresentBroadcast() { 722 if (mSystemReady && mLockPatternUtils.isLockScreenDisabled()) { 723 // Lock screen is disabled because the user has set the preference to "None". 724 // In this case, send out ACTION_USER_PRESENT here instead of in 725 // handleKeyguardDone() 726 sendUserPresentBroadcast(); 727 } 728 } 729 730 /** 731 * A dream started. We should lock after the usual screen-off lock timeout but only 732 * if there is a secure lock pattern. 733 */ 734 public void onDreamingStarted() { 735 synchronized (this) { 736 if (mScreenOn && mLockPatternUtils.isSecure()) { 737 doKeyguardLaterLocked(); 738 } 739 } 740 } 741 742 /** 743 * A dream stopped. 744 */ 745 public void onDreamingStopped() { 746 synchronized (this) { 747 if (mScreenOn) { 748 cancelDoKeyguardLaterLocked(); 749 } 750 } 751 } 752 753 /** 754 * Same semantics as {@link android.view.WindowManagerPolicy#enableKeyguard}; provide 755 * a way for external stuff to override normal keyguard behavior. For instance 756 * the phone app disables the keyguard when it receives incoming calls. 757 */ 758 public void setKeyguardEnabled(boolean enabled) { 759 synchronized (this) { 760 if (DEBUG) Log.d(TAG, "setKeyguardEnabled(" + enabled + ")"); 761 762 if (isSecure()) { 763 Log.d(TAG, "current mode is SecurityMode, ignore hide keyguard"); 764 return; 765 } 766 767 mExternallyEnabled = enabled; 768 769 if (!enabled && mShowing) { 770 if (mExitSecureCallback != null) { 771 if (DEBUG) Log.d(TAG, "in process of verifyUnlock request, ignoring"); 772 // we're in the process of handling a request to verify the user 773 // can get past the keyguard. ignore extraneous requests to disable / reenable 774 return; 775 } 776 777 // hiding keyguard that is showing, remember to reshow later 778 if (DEBUG) Log.d(TAG, "remembering to reshow, hiding keyguard, " 779 + "disabling status bar expansion"); 780 mNeedToReshowWhenReenabled = true; 781 updateInputRestrictedLocked(); 782 hideLocked(); 783 } else if (enabled && mNeedToReshowWhenReenabled) { 784 // reenabled after previously hidden, reshow 785 if (DEBUG) Log.d(TAG, "previously hidden, reshowing, reenabling " 786 + "status bar expansion"); 787 mNeedToReshowWhenReenabled = false; 788 updateInputRestrictedLocked(); 789 790 if (mExitSecureCallback != null) { 791 if (DEBUG) Log.d(TAG, "onKeyguardExitResult(false), resetting"); 792 try { 793 mExitSecureCallback.onKeyguardExitResult(false); 794 } catch (RemoteException e) { 795 Slog.w(TAG, "Failed to call onKeyguardExitResult(false)", e); 796 } 797 mExitSecureCallback = null; 798 resetStateLocked(); 799 } else { 800 showLocked(null); 801 802 // block until we know the keygaurd is done drawing (and post a message 803 // to unblock us after a timeout so we don't risk blocking too long 804 // and causing an ANR). 805 mWaitingUntilKeyguardVisible = true; 806 mHandler.sendEmptyMessageDelayed(KEYGUARD_DONE_DRAWING, KEYGUARD_DONE_DRAWING_TIMEOUT_MS); 807 if (DEBUG) Log.d(TAG, "waiting until mWaitingUntilKeyguardVisible is false"); 808 while (mWaitingUntilKeyguardVisible) { 809 try { 810 wait(); 811 } catch (InterruptedException e) { 812 Thread.currentThread().interrupt(); 813 } 814 } 815 if (DEBUG) Log.d(TAG, "done waiting for mWaitingUntilKeyguardVisible"); 816 } 817 } 818 } 819 } 820 821 /** 822 * @see android.app.KeyguardManager#exitKeyguardSecurely 823 */ 824 public void verifyUnlock(IKeyguardExitCallback callback) { 825 synchronized (this) { 826 if (DEBUG) Log.d(TAG, "verifyUnlock"); 827 if (shouldWaitForProvisioning()) { 828 // don't allow this api when the device isn't provisioned 829 if (DEBUG) Log.d(TAG, "ignoring because device isn't provisioned"); 830 try { 831 callback.onKeyguardExitResult(false); 832 } catch (RemoteException e) { 833 Slog.w(TAG, "Failed to call onKeyguardExitResult(false)", e); 834 } 835 } else if (mExternallyEnabled) { 836 // this only applies when the user has externally disabled the 837 // keyguard. this is unexpected and means the user is not 838 // using the api properly. 839 Log.w(TAG, "verifyUnlock called when not externally disabled"); 840 try { 841 callback.onKeyguardExitResult(false); 842 } catch (RemoteException e) { 843 Slog.w(TAG, "Failed to call onKeyguardExitResult(false)", e); 844 } 845 } else if (mExitSecureCallback != null) { 846 // already in progress with someone else 847 try { 848 callback.onKeyguardExitResult(false); 849 } catch (RemoteException e) { 850 Slog.w(TAG, "Failed to call onKeyguardExitResult(false)", e); 851 } 852 } else { 853 mExitSecureCallback = callback; 854 verifyUnlockLocked(); 855 } 856 } 857 } 858 859 /** 860 * Is the keyguard currently showing and not being force hidden? 861 */ 862 public boolean isShowingAndNotOccluded() { 863 return mShowing && !mOccluded; 864 } 865 866 /** 867 * Notify us when the keyguard is occluded by another window 868 */ 869 public void setOccluded(boolean isOccluded) { 870 if (DEBUG) Log.d(TAG, "setOccluded " + isOccluded); 871 mHandler.removeMessages(SET_OCCLUDED); 872 Message msg = mHandler.obtainMessage(SET_OCCLUDED, (isOccluded ? 1 : 0), 0); 873 mHandler.sendMessage(msg); 874 } 875 876 /** 877 * Handles SET_OCCLUDED message sent by setOccluded() 878 */ 879 private void handleSetOccluded(boolean isOccluded) { 880 synchronized (KeyguardViewMediator.this) { 881 if (mHiding && isOccluded) { 882 // We're in the process of going away but WindowManager wants to show a 883 // SHOW_WHEN_LOCKED activity instead. 884 startKeyguardExitAnimation(0, 0); 885 } 886 887 if (mOccluded != isOccluded) { 888 mOccluded = isOccluded; 889 mStatusBarKeyguardViewManager.setOccluded(isOccluded); 890 updateActivityLockScreenState(); 891 adjustStatusBarLocked(); 892 } 893 } 894 } 895 896 /** 897 * Used by PhoneWindowManager to enable the keyguard due to a user activity timeout. 898 * This must be safe to call from any thread and with any window manager locks held. 899 */ 900 public void doKeyguardTimeout(Bundle options) { 901 mHandler.removeMessages(KEYGUARD_TIMEOUT); 902 Message msg = mHandler.obtainMessage(KEYGUARD_TIMEOUT, options); 903 mHandler.sendMessage(msg); 904 } 905 906 /** 907 * Given the state of the keyguard, is the input restricted? 908 * Input is restricted when the keyguard is showing, or when the keyguard 909 * was suppressed by an app that disabled the keyguard or we haven't been provisioned yet. 910 */ 911 public boolean isInputRestricted() { 912 return mShowing || mNeedToReshowWhenReenabled || shouldWaitForProvisioning(); 913 } 914 915 private void updateInputRestricted() { 916 synchronized (this) { 917 updateInputRestrictedLocked(); 918 } 919 } 920 private void updateInputRestrictedLocked() { 921 boolean inputRestricted = isInputRestricted(); 922 if (mInputRestricted != inputRestricted) { 923 mInputRestricted = inputRestricted; 924 try { 925 int size = mKeyguardStateCallbacks.size(); 926 for (int i = 0; i < size; i++) { 927 mKeyguardStateCallbacks.get(i).onInputRestrictedStateChanged(inputRestricted); 928 } 929 } catch (RemoteException e) { 930 Slog.w(TAG, "Failed to call onDeviceProvisioned", e); 931 } 932 } 933 } 934 935 /** 936 * Enable the keyguard if the settings are appropriate. 937 */ 938 private void doKeyguardLocked(Bundle options) { 939 // if another app is disabling us, don't show 940 if (!mExternallyEnabled) { 941 if (DEBUG) Log.d(TAG, "doKeyguard: not showing because externally disabled"); 942 943 // note: we *should* set mNeedToReshowWhenReenabled=true here, but that makes 944 // for an occasional ugly flicker in this situation: 945 // 1) receive a call with the screen on (no keyguard) or make a call 946 // 2) screen times out 947 // 3) user hits key to turn screen back on 948 // instead, we reenable the keyguard when we know the screen is off and the call 949 // ends (see the broadcast receiver below) 950 // TODO: clean this up when we have better support at the window manager level 951 // for apps that wish to be on top of the keyguard 952 return; 953 } 954 955 // if the keyguard is already showing, don't bother 956 if (mStatusBarKeyguardViewManager.isShowing()) { 957 if (DEBUG) Log.d(TAG, "doKeyguard: not showing because it is already showing"); 958 resetStateLocked(); 959 return; 960 } 961 962 // if the setup wizard hasn't run yet, don't show 963 final boolean requireSim = !SystemProperties.getBoolean("keyguard.no_require_sim", false); 964 final boolean absent = SubscriptionManager.isValidSubscriptionId( 965 mUpdateMonitor.getNextSubIdForState(IccCardConstants.State.ABSENT)); 966 final boolean disabled = SubscriptionManager.isValidSubscriptionId( 967 mUpdateMonitor.getNextSubIdForState(IccCardConstants.State.PERM_DISABLED)); 968 final boolean lockedOrMissing = mUpdateMonitor.isSimPinSecure() 969 || ((absent || disabled) && requireSim); 970 971 if (!lockedOrMissing && shouldWaitForProvisioning()) { 972 if (DEBUG) Log.d(TAG, "doKeyguard: not showing because device isn't provisioned" 973 + " and the sim is not locked or missing"); 974 return; 975 } 976 977 if (mLockPatternUtils.isLockScreenDisabled() && !lockedOrMissing) { 978 if (DEBUG) Log.d(TAG, "doKeyguard: not showing because lockscreen is off"); 979 return; 980 } 981 982 if (mLockPatternUtils.checkVoldPassword()) { 983 if (DEBUG) Log.d(TAG, "Not showing lock screen since just decrypted"); 984 // Without this, settings is not enabled until the lock screen first appears 985 setShowingLocked(false); 986 hideLocked(); 987 return; 988 } 989 990 if (DEBUG) Log.d(TAG, "doKeyguard: showing the lock screen"); 991 showLocked(options); 992 } 993 994 private boolean shouldWaitForProvisioning() { 995 return !mUpdateMonitor.isDeviceProvisioned() && !isSecure(); 996 } 997 998 /** 999 * Dismiss the keyguard through the security layers. 1000 */ 1001 public void handleDismiss() { 1002 if (mShowing && !mOccluded) { 1003 mStatusBarKeyguardViewManager.dismiss(); 1004 } 1005 } 1006 1007 public void dismiss() { 1008 mHandler.sendEmptyMessage(DISMISS); 1009 } 1010 1011 /** 1012 * Send message to keyguard telling it to reset its state. 1013 * @see #handleReset 1014 */ 1015 private void resetStateLocked() { 1016 if (DEBUG) Log.e(TAG, "resetStateLocked"); 1017 Message msg = mHandler.obtainMessage(RESET); 1018 mHandler.sendMessage(msg); 1019 } 1020 1021 /** 1022 * Send message to keyguard telling it to verify unlock 1023 * @see #handleVerifyUnlock() 1024 */ 1025 private void verifyUnlockLocked() { 1026 if (DEBUG) Log.d(TAG, "verifyUnlockLocked"); 1027 mHandler.sendEmptyMessage(VERIFY_UNLOCK); 1028 } 1029 1030 1031 /** 1032 * Send a message to keyguard telling it the screen just turned on. 1033 * @see #onScreenTurnedOff(int) 1034 * @see #handleNotifyScreenOff 1035 */ 1036 private void notifyScreenOffLocked() { 1037 if (DEBUG) Log.d(TAG, "notifyScreenOffLocked"); 1038 mHandler.sendEmptyMessage(NOTIFY_SCREEN_OFF); 1039 } 1040 1041 /** 1042 * Send a message to keyguard telling it the screen just turned on. 1043 * @see #onScreenTurnedOn 1044 * @see #handleNotifyScreenOn 1045 */ 1046 private void notifyScreenOnLocked(IKeyguardShowCallback result) { 1047 if (DEBUG) Log.d(TAG, "notifyScreenOnLocked"); 1048 Message msg = mHandler.obtainMessage(NOTIFY_SCREEN_ON, result); 1049 mHandler.sendMessage(msg); 1050 } 1051 1052 /** 1053 * Send message to keyguard telling it to show itself 1054 * @see #handleShow 1055 */ 1056 private void showLocked(Bundle options) { 1057 if (DEBUG) Log.d(TAG, "showLocked"); 1058 // ensure we stay awake until we are finished displaying the keyguard 1059 mShowKeyguardWakeLock.acquire(); 1060 Message msg = mHandler.obtainMessage(SHOW, options); 1061 mHandler.sendMessage(msg); 1062 } 1063 1064 /** 1065 * Send message to keyguard telling it to hide itself 1066 * @see #handleHide() 1067 */ 1068 private void hideLocked() { 1069 if (DEBUG) Log.d(TAG, "hideLocked"); 1070 Message msg = mHandler.obtainMessage(HIDE); 1071 mHandler.sendMessage(msg); 1072 } 1073 1074 public boolean isSecure() { 1075 return mLockPatternUtils.isSecure() 1076 || KeyguardUpdateMonitor.getInstance(mContext).isSimPinSecure(); 1077 } 1078 1079 /** 1080 * Update the newUserId. Call while holding WindowManagerService lock. 1081 * NOTE: Should only be called by KeyguardViewMediator in response to the user id changing. 1082 * 1083 * @param newUserId The id of the incoming user. 1084 */ 1085 public void setCurrentUser(int newUserId) { 1086 mLockPatternUtils.setCurrentUser(newUserId); 1087 } 1088 1089 private final BroadcastReceiver mBroadcastReceiver = new BroadcastReceiver() { 1090 @Override 1091 public void onReceive(Context context, Intent intent) { 1092 if (DELAYED_KEYGUARD_ACTION.equals(intent.getAction())) { 1093 final int sequence = intent.getIntExtra("seq", 0); 1094 if (DEBUG) Log.d(TAG, "received DELAYED_KEYGUARD_ACTION with seq = " 1095 + sequence + ", mDelayedShowingSequence = " + mDelayedShowingSequence); 1096 synchronized (KeyguardViewMediator.this) { 1097 if (mDelayedShowingSequence == sequence) { 1098 // Don't play lockscreen SFX if the screen went off due to timeout. 1099 mSuppressNextLockSound = true; 1100 doKeyguardLocked(null); 1101 } 1102 } 1103 } 1104 } 1105 }; 1106 1107 public void keyguardDone(boolean authenticated, boolean wakeup) { 1108 if (DEBUG) Log.d(TAG, "keyguardDone(" + authenticated + ")"); 1109 EventLog.writeEvent(70000, 2); 1110 Message msg = mHandler.obtainMessage(KEYGUARD_DONE, authenticated ? 1 : 0, wakeup ? 1 : 0); 1111 mHandler.sendMessage(msg); 1112 } 1113 1114 /** 1115 * This handler will be associated with the policy thread, which will also 1116 * be the UI thread of the keyguard. Since the apis of the policy, and therefore 1117 * this class, can be called by other threads, any action that directly 1118 * interacts with the keyguard ui should be posted to this handler, rather 1119 * than called directly. 1120 */ 1121 private Handler mHandler = new Handler(Looper.myLooper(), null, true /*async*/) { 1122 @Override 1123 public void handleMessage(Message msg) { 1124 switch (msg.what) { 1125 case SHOW: 1126 handleShow((Bundle) msg.obj); 1127 break; 1128 case HIDE: 1129 handleHide(); 1130 break; 1131 case RESET: 1132 handleReset(); 1133 break; 1134 case VERIFY_UNLOCK: 1135 handleVerifyUnlock(); 1136 break; 1137 case NOTIFY_SCREEN_OFF: 1138 handleNotifyScreenOff(); 1139 break; 1140 case NOTIFY_SCREEN_ON: 1141 handleNotifyScreenOn((IKeyguardShowCallback) msg.obj); 1142 break; 1143 case KEYGUARD_DONE: 1144 handleKeyguardDone(msg.arg1 != 0, msg.arg2 != 0); 1145 break; 1146 case KEYGUARD_DONE_DRAWING: 1147 handleKeyguardDoneDrawing(); 1148 break; 1149 case KEYGUARD_DONE_AUTHENTICATING: 1150 keyguardDone(true, true); 1151 break; 1152 case SET_OCCLUDED: 1153 handleSetOccluded(msg.arg1 != 0); 1154 break; 1155 case KEYGUARD_TIMEOUT: 1156 synchronized (KeyguardViewMediator.this) { 1157 doKeyguardLocked((Bundle) msg.obj); 1158 } 1159 break; 1160 case DISMISS: 1161 handleDismiss(); 1162 break; 1163 case START_KEYGUARD_EXIT_ANIM: 1164 StartKeyguardExitAnimParams params = (StartKeyguardExitAnimParams) msg.obj; 1165 handleStartKeyguardExitAnimation(params.startTime, params.fadeoutDuration); 1166 break; 1167 case KEYGUARD_DONE_PENDING_TIMEOUT: 1168 Log.w(TAG, "Timeout while waiting for activity drawn!"); 1169 // Fall through. 1170 case ON_ACTIVITY_DRAWN: 1171 handleOnActivityDrawn(); 1172 break; 1173 } 1174 } 1175 }; 1176 1177 /** 1178 * @see #keyguardDone 1179 * @see #KEYGUARD_DONE 1180 */ 1181 private void handleKeyguardDone(boolean authenticated, boolean wakeup) { 1182 if (DEBUG) Log.d(TAG, "handleKeyguardDone"); 1183 synchronized (this) { 1184 resetKeyguardDonePendingLocked(); 1185 } 1186 1187 if (authenticated) { 1188 mUpdateMonitor.clearFailedUnlockAttempts(); 1189 } 1190 mUpdateMonitor.clearFingerprintRecognized(); 1191 1192 if (mExitSecureCallback != null) { 1193 try { 1194 mExitSecureCallback.onKeyguardExitResult(authenticated); 1195 } catch (RemoteException e) { 1196 Slog.w(TAG, "Failed to call onKeyguardExitResult(" + authenticated + ")", e); 1197 } 1198 1199 mExitSecureCallback = null; 1200 1201 if (authenticated) { 1202 // after succesfully exiting securely, no need to reshow 1203 // the keyguard when they've released the lock 1204 mExternallyEnabled = true; 1205 mNeedToReshowWhenReenabled = false; 1206 updateInputRestricted(); 1207 } 1208 } 1209 1210 handleHide(); 1211 } 1212 1213 private void sendUserPresentBroadcast() { 1214 synchronized (this) { 1215 if (mBootCompleted) { 1216 final UserHandle currentUser = new UserHandle(mLockPatternUtils.getCurrentUser()); 1217 final UserManager um = (UserManager) mContext.getSystemService( 1218 Context.USER_SERVICE); 1219 List <UserInfo> userHandles = um.getProfiles(currentUser.getIdentifier()); 1220 for (UserInfo ui : userHandles) { 1221 mContext.sendBroadcastAsUser(USER_PRESENT_INTENT, ui.getUserHandle()); 1222 } 1223 } else { 1224 mBootSendUserPresent = true; 1225 } 1226 } 1227 } 1228 1229 /** 1230 * @see #keyguardDone 1231 * @see #KEYGUARD_DONE_DRAWING 1232 */ 1233 private void handleKeyguardDoneDrawing() { 1234 synchronized(this) { 1235 if (DEBUG) Log.d(TAG, "handleKeyguardDoneDrawing"); 1236 if (mWaitingUntilKeyguardVisible) { 1237 if (DEBUG) Log.d(TAG, "handleKeyguardDoneDrawing: notifying mWaitingUntilKeyguardVisible"); 1238 mWaitingUntilKeyguardVisible = false; 1239 notifyAll(); 1240 1241 // there will usually be two of these sent, one as a timeout, and one 1242 // as a result of the callback, so remove any remaining messages from 1243 // the queue 1244 mHandler.removeMessages(KEYGUARD_DONE_DRAWING); 1245 } 1246 } 1247 } 1248 1249 private void playSounds(boolean locked) { 1250 // User feedback for keyguard. 1251 1252 if (mSuppressNextLockSound) { 1253 mSuppressNextLockSound = false; 1254 return; 1255 } 1256 1257 playSound(locked ? mLockSoundId : mUnlockSoundId); 1258 } 1259 1260 private void playSound(int soundId) { 1261 if (soundId == 0) return; 1262 final ContentResolver cr = mContext.getContentResolver(); 1263 if (Settings.System.getInt(cr, Settings.System.LOCKSCREEN_SOUNDS_ENABLED, 1) == 1) { 1264 1265 mLockSounds.stop(mLockSoundStreamId); 1266 // Init mAudioManager 1267 if (mAudioManager == null) { 1268 mAudioManager = (AudioManager) mContext.getSystemService(Context.AUDIO_SERVICE); 1269 if (mAudioManager == null) return; 1270 mUiSoundsStreamType = mAudioManager.getUiSoundsStreamType(); 1271 } 1272 // If the stream is muted, don't play the sound 1273 if (mAudioManager.isStreamMute(mUiSoundsStreamType)) return; 1274 1275 mLockSoundStreamId = mLockSounds.play(soundId, 1276 mLockSoundVolume, mLockSoundVolume, 1/*priortiy*/, 0/*loop*/, 1.0f/*rate*/); 1277 } 1278 } 1279 1280 private void playTrustedSound() { 1281 if (mSuppressNextLockSound) { 1282 return; 1283 } 1284 playSound(mTrustedSoundId); 1285 } 1286 1287 private void updateActivityLockScreenState() { 1288 try { 1289 ActivityManagerNative.getDefault().setLockScreenShown(mShowing && !mOccluded); 1290 } catch (RemoteException e) { 1291 } 1292 } 1293 1294 /** 1295 * Handle message sent by {@link #showLocked}. 1296 * @see #SHOW 1297 */ 1298 private void handleShow(Bundle options) { 1299 synchronized (KeyguardViewMediator.this) { 1300 if (!mSystemReady) { 1301 if (DEBUG) Log.d(TAG, "ignoring handleShow because system is not ready."); 1302 return; 1303 } else { 1304 if (DEBUG) Log.d(TAG, "handleShow"); 1305 } 1306 1307 setShowingLocked(true); 1308 mStatusBarKeyguardViewManager.show(options); 1309 mHiding = false; 1310 resetKeyguardDonePendingLocked(); 1311 mHideAnimationRun = false; 1312 updateActivityLockScreenState(); 1313 adjustStatusBarLocked(); 1314 userActivity(); 1315 1316 // Do this at the end to not slow down display of the keyguard. 1317 playSounds(true); 1318 1319 mShowKeyguardWakeLock.release(); 1320 } 1321 mKeyguardDisplayManager.show(); 1322 } 1323 1324 private final Runnable mKeyguardGoingAwayRunnable = new Runnable() { 1325 @Override 1326 public void run() { 1327 try { 1328 mStatusBarKeyguardViewManager.keyguardGoingAway(); 1329 1330 // Don't actually hide the Keyguard at the moment, wait for window 1331 // manager until it tells us it's safe to do so with 1332 // startKeyguardExitAnimation. 1333 mWM.keyguardGoingAway( 1334 mStatusBarKeyguardViewManager.shouldDisableWindowAnimationsForUnlock(), 1335 mStatusBarKeyguardViewManager.isGoingToNotificationShade()); 1336 } catch (RemoteException e) { 1337 Log.e(TAG, "Error while calling WindowManager", e); 1338 } 1339 } 1340 }; 1341 1342 /** 1343 * Handle message sent by {@link #hideLocked()} 1344 * @see #HIDE 1345 */ 1346 private void handleHide() { 1347 synchronized (KeyguardViewMediator.this) { 1348 if (DEBUG) Log.d(TAG, "handleHide"); 1349 1350 mHiding = true; 1351 if (mShowing && !mOccluded) { 1352 if (!mHideAnimationRun) { 1353 mStatusBarKeyguardViewManager.startPreHideAnimation(mKeyguardGoingAwayRunnable); 1354 } else { 1355 mKeyguardGoingAwayRunnable.run(); 1356 } 1357 } else { 1358 1359 // Don't try to rely on WindowManager - if Keyguard wasn't showing, window 1360 // manager won't start the exit animation. 1361 handleStartKeyguardExitAnimation( 1362 SystemClock.uptimeMillis() + mHideAnimation.getStartOffset(), 1363 mHideAnimation.getDuration()); 1364 } 1365 } 1366 } 1367 1368 private void handleOnActivityDrawn() { 1369 if (DEBUG) Log.d(TAG, "handleOnActivityDrawn: mKeyguardDonePending=" + mKeyguardDonePending); 1370 if (mKeyguardDonePending) { 1371 mStatusBarKeyguardViewManager.onActivityDrawn(); 1372 } 1373 } 1374 1375 private void handleStartKeyguardExitAnimation(long startTime, long fadeoutDuration) { 1376 synchronized (KeyguardViewMediator.this) { 1377 1378 if (!mHiding) { 1379 return; 1380 } 1381 mHiding = false; 1382 1383 // only play "unlock" noises if not on a call (since the incall UI 1384 // disables the keyguard) 1385 if (TelephonyManager.EXTRA_STATE_IDLE.equals(mPhoneState)) { 1386 playSounds(false); 1387 } 1388 1389 setShowingLocked(false); 1390 mStatusBarKeyguardViewManager.hide(startTime, fadeoutDuration); 1391 resetKeyguardDonePendingLocked(); 1392 mHideAnimationRun = false; 1393 updateActivityLockScreenState(); 1394 adjustStatusBarLocked(); 1395 sendUserPresentBroadcast(); 1396 } 1397 } 1398 1399 private void adjustStatusBarLocked() { 1400 if (mStatusBarManager == null) { 1401 mStatusBarManager = (StatusBarManager) 1402 mContext.getSystemService(Context.STATUS_BAR_SERVICE); 1403 } 1404 if (mStatusBarManager == null) { 1405 Log.w(TAG, "Could not get status bar manager"); 1406 } else { 1407 // Disable aspects of the system/status/navigation bars that must not be re-enabled by 1408 // windows that appear on top, ever 1409 int flags = StatusBarManager.DISABLE_NONE; 1410 if (mShowing) { 1411 // Permanently disable components not available when keyguard is enabled 1412 // (like recents). Temporary enable/disable (e.g. the "back" button) are 1413 // done in KeyguardHostView. 1414 flags |= StatusBarManager.DISABLE_RECENT; 1415 flags |= StatusBarManager.DISABLE_SEARCH; 1416 } 1417 if (isShowingAndNotOccluded()) { 1418 flags |= StatusBarManager.DISABLE_HOME; 1419 } 1420 1421 if (DEBUG) { 1422 Log.d(TAG, "adjustStatusBarLocked: mShowing=" + mShowing + " mOccluded=" + mOccluded 1423 + " isSecure=" + isSecure() + " --> flags=0x" + Integer.toHexString(flags)); 1424 } 1425 1426 if (!(mContext instanceof Activity)) { 1427 mStatusBarManager.disable(flags); 1428 } 1429 } 1430 } 1431 1432 /** 1433 * Handle message sent by {@link #resetStateLocked} 1434 * @see #RESET 1435 */ 1436 private void handleReset() { 1437 synchronized (KeyguardViewMediator.this) { 1438 if (DEBUG) Log.d(TAG, "handleReset"); 1439 mStatusBarKeyguardViewManager.reset(); 1440 } 1441 } 1442 1443 /** 1444 * Handle message sent by {@link #verifyUnlock} 1445 * @see #VERIFY_UNLOCK 1446 */ 1447 private void handleVerifyUnlock() { 1448 synchronized (KeyguardViewMediator.this) { 1449 if (DEBUG) Log.d(TAG, "handleVerifyUnlock"); 1450 setShowingLocked(true); 1451 mStatusBarKeyguardViewManager.verifyUnlock(); 1452 updateActivityLockScreenState(); 1453 } 1454 } 1455 1456 /** 1457 * Handle message sent by {@link #notifyScreenOffLocked()} 1458 * @see #NOTIFY_SCREEN_OFF 1459 */ 1460 private void handleNotifyScreenOff() { 1461 synchronized (KeyguardViewMediator.this) { 1462 if (DEBUG) Log.d(TAG, "handleNotifyScreenOff"); 1463 mStatusBarKeyguardViewManager.onScreenTurnedOff(); 1464 } 1465 } 1466 1467 /** 1468 * Handle message sent by {@link #notifyScreenOnLocked} 1469 * @see #NOTIFY_SCREEN_ON 1470 */ 1471 private void handleNotifyScreenOn(IKeyguardShowCallback callback) { 1472 synchronized (KeyguardViewMediator.this) { 1473 if (DEBUG) Log.d(TAG, "handleNotifyScreenOn"); 1474 mStatusBarKeyguardViewManager.onScreenTurnedOn(callback); 1475 } 1476 } 1477 1478 private void resetKeyguardDonePendingLocked() { 1479 mKeyguardDonePending = false; 1480 mHandler.removeMessages(KEYGUARD_DONE_PENDING_TIMEOUT); 1481 } 1482 1483 public void onBootCompleted() { 1484 mUpdateMonitor.dispatchBootCompleted(); 1485 synchronized (this) { 1486 mBootCompleted = true; 1487 if (mBootSendUserPresent) { 1488 sendUserPresentBroadcast(); 1489 } 1490 } 1491 } 1492 1493 public StatusBarKeyguardViewManager registerStatusBar(PhoneStatusBar phoneStatusBar, 1494 ViewGroup container, StatusBarWindowManager statusBarWindowManager, 1495 ScrimController scrimController) { 1496 mStatusBarKeyguardViewManager.registerStatusBar(phoneStatusBar, container, 1497 statusBarWindowManager, scrimController); 1498 return mStatusBarKeyguardViewManager; 1499 } 1500 1501 public void startKeyguardExitAnimation(long startTime, long fadeoutDuration) { 1502 Message msg = mHandler.obtainMessage(START_KEYGUARD_EXIT_ANIM, 1503 new StartKeyguardExitAnimParams(startTime, fadeoutDuration)); 1504 mHandler.sendMessage(msg); 1505 } 1506 1507 public void onActivityDrawn() { 1508 mHandler.sendEmptyMessage(ON_ACTIVITY_DRAWN); 1509 } 1510 public ViewMediatorCallback getViewMediatorCallback() { 1511 return mViewMediatorCallback; 1512 } 1513 1514 private static class StartKeyguardExitAnimParams { 1515 1516 long startTime; 1517 long fadeoutDuration; 1518 1519 private StartKeyguardExitAnimParams(long startTime, long fadeoutDuration) { 1520 this.startTime = startTime; 1521 this.fadeoutDuration = fadeoutDuration; 1522 } 1523 } 1524 1525 private void setShowingLocked(boolean showing) { 1526 if (showing != mShowing) { 1527 mShowing = showing; 1528 try { 1529 int size = mKeyguardStateCallbacks.size(); 1530 for (int i = 0; i < size; i++) { 1531 mKeyguardStateCallbacks.get(i).onShowingStateChanged(showing); 1532 } 1533 } catch (RemoteException e) { 1534 Slog.w(TAG, "Failed to call onShowingStateChanged", e); 1535 } 1536 updateInputRestrictedLocked(); 1537 mTrustManager.reportKeyguardShowingChanged(); 1538 } 1539 } 1540 1541 public void addStateMonitorCallback(IKeyguardStateCallback callback) { 1542 synchronized (this) { 1543 mKeyguardStateCallbacks.add(callback); 1544 try { 1545 callback.onSimSecureStateChanged(mUpdateMonitor.isSimPinSecure()); 1546 callback.onShowingStateChanged(mShowing); 1547 } catch (RemoteException e) { 1548 Slog.w(TAG, "Failed to call onShowingStateChanged or onSimSecureStateChanged", e); 1549 } 1550 } 1551 } 1552} 1553