KeyguardViewMediator.java revision 6b88cdfba770efc5722338c240ccaada13d7b0d4
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 /** The stream type that the lock sounds are tied to. */ 175 private int mMasterStreamType; 176 177 private AlarmManager mAlarmManager; 178 private AudioManager mAudioManager; 179 private StatusBarManager mStatusBarManager; 180 private boolean mSwitchingUser; 181 182 private boolean mSystemReady; 183 private boolean mBootCompleted; 184 private boolean mBootSendUserPresent; 185 186 // Whether the next call to playSounds() should be skipped. Defaults to 187 // true because the first lock (on boot) should be silent. 188 private boolean mSuppressNextLockSound = true; 189 190 191 /** High level access to the power manager for WakeLocks */ 192 private PowerManager mPM; 193 194 /** High level access to the window manager for dismissing keyguard animation */ 195 private IWindowManager mWM; 196 197 198 /** TrustManager for letting it know when we change visibility */ 199 private TrustManager mTrustManager; 200 201 /** SearchManager for determining whether or not search assistant is available */ 202 private SearchManager mSearchManager; 203 204 /** 205 * Used to keep the device awake while to ensure the keyguard finishes opening before 206 * we sleep. 207 */ 208 private PowerManager.WakeLock mShowKeyguardWakeLock; 209 210 private StatusBarKeyguardViewManager mStatusBarKeyguardViewManager; 211 212 // these are protected by synchronized (this) 213 214 /** 215 * External apps (like the phone app) can tell us to disable the keygaurd. 216 */ 217 private boolean mExternallyEnabled = true; 218 219 /** 220 * Remember if an external call to {@link #setKeyguardEnabled} with value 221 * false caused us to hide the keyguard, so that we need to reshow it once 222 * the keygaurd is reenabled with another call with value true. 223 */ 224 private boolean mNeedToReshowWhenReenabled = false; 225 226 // cached value of whether we are showing (need to know this to quickly 227 // answer whether the input should be restricted) 228 private boolean mShowing; 229 230 /** Cached value of #isInputRestricted */ 231 private boolean mInputRestricted; 232 233 // true if the keyguard is hidden by another window 234 private boolean mOccluded = false; 235 236 /** 237 * Helps remember whether the screen has turned on since the last time 238 * it turned off due to timeout. see {@link #onScreenTurnedOff(int)} 239 */ 240 private int mDelayedShowingSequence; 241 242 /** 243 * If the user has disabled the keyguard, then requests to exit, this is 244 * how we'll ultimately let them know whether it was successful. We use this 245 * var being non-null as an indicator that there is an in progress request. 246 */ 247 private IKeyguardExitCallback mExitSecureCallback; 248 249 // the properties of the keyguard 250 251 private KeyguardUpdateMonitor mUpdateMonitor; 252 253 private boolean mScreenOn; 254 255 // last known state of the cellular connection 256 private String mPhoneState = TelephonyManager.EXTRA_STATE_IDLE; 257 258 /** 259 * Whether a hide is pending an we are just waiting for #startKeyguardExitAnimation to be 260 * called. 261 * */ 262 private boolean mHiding; 263 264 /** 265 * we send this intent when the keyguard is dismissed. 266 */ 267 private static final Intent USER_PRESENT_INTENT = new Intent(Intent.ACTION_USER_PRESENT) 268 .addFlags(Intent.FLAG_RECEIVER_REPLACE_PENDING 269 | Intent.FLAG_RECEIVER_REGISTERED_ONLY_BEFORE_BOOT); 270 271 /** 272 * {@link #setKeyguardEnabled} waits on this condition when it reenables 273 * the keyguard. 274 */ 275 private boolean mWaitingUntilKeyguardVisible = false; 276 private LockPatternUtils mLockPatternUtils; 277 private boolean mKeyguardDonePending = false; 278 private boolean mHideAnimationRun = false; 279 280 private SoundPool mLockSounds; 281 private int mLockSoundId; 282 private int mUnlockSoundId; 283 private int mTrustedSoundId; 284 private int mLockSoundStreamId; 285 286 /** 287 * The animation used for hiding keyguard. This is used to fetch the animation timings if 288 * WindowManager is not providing us with them. 289 */ 290 private Animation mHideAnimation; 291 292 /** 293 * The volume applied to the lock/unlock sounds. 294 */ 295 private float mLockSoundVolume; 296 297 /** 298 * For managing external displays 299 */ 300 private KeyguardDisplayManager mKeyguardDisplayManager; 301 302 private final ArrayList<IKeyguardStateCallback> mKeyguardStateCallbacks = new ArrayList<>(); 303 304 KeyguardUpdateMonitorCallback mUpdateCallback = new KeyguardUpdateMonitorCallback() { 305 306 @Override 307 public void onUserSwitching(int userId) { 308 // Note that the mLockPatternUtils user has already been updated from setCurrentUser. 309 // We need to force a reset of the views, since lockNow (called by 310 // ActivityManagerService) will not reconstruct the keyguard if it is already showing. 311 synchronized (KeyguardViewMediator.this) { 312 mSwitchingUser = true; 313 resetKeyguardDonePendingLocked(); 314 resetStateLocked(); 315 adjustStatusBarLocked(); 316 // When we switch users we want to bring the new user to the biometric unlock even 317 // if the current user has gone to the backup. 318 KeyguardUpdateMonitor.getInstance(mContext).setAlternateUnlockEnabled(true); 319 } 320 } 321 322 @Override 323 public void onUserSwitchComplete(int userId) { 324 mSwitchingUser = false; 325 if (userId != UserHandle.USER_OWNER) { 326 UserInfo info = UserManager.get(mContext).getUserInfo(userId); 327 if (info != null && info.isGuest()) { 328 // If we just switched to a guest, try to dismiss keyguard. 329 dismiss(); 330 } 331 } 332 } 333 334 @Override 335 public void onUserRemoved(int userId) { 336 mLockPatternUtils.removeUser(userId); 337 } 338 339 @Override 340 public void onUserInfoChanged(int userId) { 341 } 342 343 @Override 344 public void onPhoneStateChanged(int phoneState) { 345 synchronized (KeyguardViewMediator.this) { 346 if (TelephonyManager.CALL_STATE_IDLE == phoneState // call ending 347 && !mScreenOn // screen off 348 && mExternallyEnabled) { // not disabled by any app 349 350 // note: this is a way to gracefully reenable the keyguard when the call 351 // ends and the screen is off without always reenabling the keyguard 352 // each time the screen turns off while in call (and having an occasional ugly 353 // flicker while turning back on the screen and disabling the keyguard again). 354 if (DEBUG) Log.d(TAG, "screen is off and call ended, let's make sure the " 355 + "keyguard is showing"); 356 doKeyguardLocked(null); 357 } 358 } 359 } 360 361 @Override 362 public void onClockVisibilityChanged() { 363 adjustStatusBarLocked(); 364 } 365 366 @Override 367 public void onDeviceProvisioned() { 368 sendUserPresentBroadcast(); 369 updateInputRestricted(); 370 } 371 372 @Override 373 public void onSimStateChanged(int subId, int slotId, IccCardConstants.State simState) { 374 375 if (DEBUG_SIM_STATES) { 376 Log.d(TAG, "onSimStateChanged(subId=" + subId + ", slotId=" + slotId 377 + ",state=" + simState + ")"); 378 } 379 380 try { 381 int size = mKeyguardStateCallbacks.size(); 382 boolean simPinSecure = mUpdateMonitor.isSimPinSecure(); 383 for (int i = 0; i < size; i++) { 384 mKeyguardStateCallbacks.get(i).onSimSecureStateChanged(simPinSecure); 385 } 386 } catch (RemoteException e) { 387 Slog.w(TAG, "Failed to call onSimSecureStateChanged", e); 388 } 389 390 switch (simState) { 391 case NOT_READY: 392 case ABSENT: 393 // only force lock screen in case of missing sim if user hasn't 394 // gone through setup wizard 395 synchronized (this) { 396 if (shouldWaitForProvisioning()) { 397 if (!mShowing) { 398 if (DEBUG_SIM_STATES) Log.d(TAG, "ICC_ABSENT isn't showing," 399 + " we need to show the keyguard since the " 400 + "device isn't provisioned yet."); 401 doKeyguardLocked(null); 402 } else { 403 resetStateLocked(); 404 } 405 } 406 } 407 break; 408 case PIN_REQUIRED: 409 case PUK_REQUIRED: 410 synchronized (this) { 411 if (!mShowing) { 412 if (DEBUG_SIM_STATES) Log.d(TAG, 413 "INTENT_VALUE_ICC_LOCKED and keygaurd isn't " 414 + "showing; need to show keyguard so user can enter sim pin"); 415 doKeyguardLocked(null); 416 } else { 417 resetStateLocked(); 418 } 419 } 420 break; 421 case PERM_DISABLED: 422 synchronized (this) { 423 if (!mShowing) { 424 if (DEBUG_SIM_STATES) Log.d(TAG, "PERM_DISABLED and " 425 + "keygaurd isn't showing."); 426 doKeyguardLocked(null); 427 } else { 428 if (DEBUG_SIM_STATES) Log.d(TAG, "PERM_DISABLED, resetStateLocked to" 429 + "show permanently disabled message in lockscreen."); 430 resetStateLocked(); 431 } 432 } 433 break; 434 case READY: 435 synchronized (this) { 436 if (mShowing) { 437 resetStateLocked(); 438 } 439 } 440 break; 441 default: 442 if (DEBUG_SIM_STATES) Log.v(TAG, "Ignoring state: " + simState); 443 break; 444 } 445 } 446 447 public void onFingerprintRecognized(int userId) { 448 if (mStatusBarKeyguardViewManager.isBouncerShowing()) { 449 mViewMediatorCallback.keyguardDone(true); 450 } 451 }; 452 453 }; 454 455 ViewMediatorCallback mViewMediatorCallback = new ViewMediatorCallback() { 456 457 public void userActivity() { 458 KeyguardViewMediator.this.userActivity(); 459 } 460 461 public void keyguardDone(boolean authenticated) { 462 if (!mKeyguardDonePending) { 463 KeyguardViewMediator.this.keyguardDone(authenticated, true); 464 } 465 } 466 467 public void keyguardDoneDrawing() { 468 mHandler.sendEmptyMessage(KEYGUARD_DONE_DRAWING); 469 } 470 471 @Override 472 public void setNeedsInput(boolean needsInput) { 473 mStatusBarKeyguardViewManager.setNeedsInput(needsInput); 474 } 475 476 @Override 477 public void keyguardDonePending() { 478 mKeyguardDonePending = true; 479 mHideAnimationRun = true; 480 mStatusBarKeyguardViewManager.startPreHideAnimation(null /* finishRunnable */); 481 mHandler.sendEmptyMessageDelayed(KEYGUARD_DONE_PENDING_TIMEOUT, 482 KEYGUARD_DONE_PENDING_TIMEOUT_MS); 483 } 484 485 @Override 486 public void keyguardGone() { 487 mKeyguardDisplayManager.hide(); 488 } 489 490 @Override 491 public void readyForKeyguardDone() { 492 if (mKeyguardDonePending) { 493 // Somebody has called keyguardDonePending before, which means that we are 494 // authenticated 495 KeyguardViewMediator.this.keyguardDone(true /* authenticated */, true /* wakeUp */); 496 } 497 } 498 499 @Override 500 public void playTrustedSound() { 501 KeyguardViewMediator.this.playTrustedSound(); 502 } 503 504 @Override 505 public boolean isInputRestricted() { 506 return KeyguardViewMediator.this.isInputRestricted(); 507 } 508 }; 509 510 public void userActivity() { 511 mPM.userActivity(SystemClock.uptimeMillis(), false); 512 } 513 514 private void setupLocked() { 515 mPM = (PowerManager) mContext.getSystemService(Context.POWER_SERVICE); 516 mWM = WindowManagerGlobal.getWindowManagerService(); 517 mTrustManager = (TrustManager) mContext.getSystemService(Context.TRUST_SERVICE); 518 519 mShowKeyguardWakeLock = mPM.newWakeLock(PowerManager.PARTIAL_WAKE_LOCK, "show keyguard"); 520 mShowKeyguardWakeLock.setReferenceCounted(false); 521 522 mContext.registerReceiver(mBroadcastReceiver, new IntentFilter(DELAYED_KEYGUARD_ACTION)); 523 524 mKeyguardDisplayManager = new KeyguardDisplayManager(mContext); 525 526 mAlarmManager = (AlarmManager) mContext.getSystemService(Context.ALARM_SERVICE); 527 528 mUpdateMonitor = KeyguardUpdateMonitor.getInstance(mContext); 529 530 mLockPatternUtils = new LockPatternUtils(mContext); 531 mLockPatternUtils.setCurrentUser(ActivityManager.getCurrentUser()); 532 533 // Assume keyguard is showing (unless it's disabled) until we know for sure... 534 setShowingLocked(!shouldWaitForProvisioning() && !mLockPatternUtils.isLockScreenDisabled()); 535 mTrustManager.reportKeyguardShowingChanged(); 536 537 mStatusBarKeyguardViewManager = new StatusBarKeyguardViewManager(mContext, 538 mViewMediatorCallback, mLockPatternUtils); 539 final ContentResolver cr = mContext.getContentResolver(); 540 541 mScreenOn = mPM.isScreenOn(); 542 543 mLockSounds = new SoundPool(1, AudioManager.STREAM_SYSTEM, 0); 544 String soundPath = Settings.Global.getString(cr, Settings.Global.LOCK_SOUND); 545 if (soundPath != null) { 546 mLockSoundId = mLockSounds.load(soundPath, 1); 547 } 548 if (soundPath == null || mLockSoundId == 0) { 549 Log.w(TAG, "failed to load lock sound from " + soundPath); 550 } 551 soundPath = Settings.Global.getString(cr, Settings.Global.UNLOCK_SOUND); 552 if (soundPath != null) { 553 mUnlockSoundId = mLockSounds.load(soundPath, 1); 554 } 555 if (soundPath == null || mUnlockSoundId == 0) { 556 Log.w(TAG, "failed to load unlock sound from " + soundPath); 557 } 558 soundPath = Settings.Global.getString(cr, Settings.Global.TRUSTED_SOUND); 559 if (soundPath != null) { 560 mTrustedSoundId = mLockSounds.load(soundPath, 1); 561 } 562 if (soundPath == null || mTrustedSoundId == 0) { 563 Log.w(TAG, "failed to load trusted sound from " + soundPath); 564 } 565 566 int lockSoundDefaultAttenuation = mContext.getResources().getInteger( 567 com.android.internal.R.integer.config_lockSoundVolumeDb); 568 mLockSoundVolume = (float)Math.pow(10, (float)lockSoundDefaultAttenuation/20); 569 570 mHideAnimation = AnimationUtils.loadAnimation(mContext, 571 com.android.internal.R.anim.lock_screen_behind_enter); 572 } 573 574 @Override 575 public void start() { 576 synchronized (this) { 577 setupLocked(); 578 } 579 putComponent(KeyguardViewMediator.class, this); 580 } 581 582 /** 583 * Let us know that the system is ready after startup. 584 */ 585 public void onSystemReady() { 586 mSearchManager = (SearchManager) mContext.getSystemService(Context.SEARCH_SERVICE); 587 synchronized (this) { 588 if (DEBUG) Log.d(TAG, "onSystemReady"); 589 mSystemReady = true; 590 mUpdateMonitor.registerCallback(mUpdateCallback); 591 592 // Suppress biometric unlock right after boot until things have settled if it is the 593 // selected security method, otherwise unsuppress it. It must be unsuppressed if it is 594 // not the selected security method for the following reason: if the user starts 595 // without a screen lock selected, the biometric unlock would be suppressed the first 596 // time they try to use it. 597 // 598 // Note that the biometric unlock will still not show if it is not the selected method. 599 // Calling setAlternateUnlockEnabled(true) simply says don't suppress it if it is the 600 // selected method. 601 if (mLockPatternUtils.usingBiometricWeak() 602 && mLockPatternUtils.isBiometricWeakInstalled()) { 603 if (DEBUG) Log.d(TAG, "suppressing biometric unlock during boot"); 604 mUpdateMonitor.setAlternateUnlockEnabled(false); 605 } else { 606 mUpdateMonitor.setAlternateUnlockEnabled(true); 607 } 608 609 doKeyguardLocked(null); 610 } 611 // Most services aren't available until the system reaches the ready state, so we 612 // send it here when the device first boots. 613 maybeSendUserPresentBroadcast(); 614 } 615 616 /** 617 * Called to let us know the screen was turned off. 618 * @param why either {@link android.view.WindowManagerPolicy#OFF_BECAUSE_OF_USER} or 619 * {@link android.view.WindowManagerPolicy#OFF_BECAUSE_OF_TIMEOUT}. 620 */ 621 public void onScreenTurnedOff(int why) { 622 synchronized (this) { 623 mScreenOn = false; 624 if (DEBUG) Log.d(TAG, "onScreenTurnedOff(" + why + ")"); 625 626 resetKeyguardDonePendingLocked(); 627 mHideAnimationRun = false; 628 629 // Lock immediately based on setting if secure (user has a pin/pattern/password). 630 // This also "locks" the device when not secure to provide easy access to the 631 // camera while preventing unwanted input. 632 final boolean lockImmediately = 633 mLockPatternUtils.getPowerButtonInstantlyLocks() || !mLockPatternUtils.isSecure(); 634 635 notifyScreenOffLocked(); 636 637 if (mExitSecureCallback != null) { 638 if (DEBUG) Log.d(TAG, "pending exit secure callback cancelled"); 639 try { 640 mExitSecureCallback.onKeyguardExitResult(false); 641 } catch (RemoteException e) { 642 Slog.w(TAG, "Failed to call onKeyguardExitResult(false)", e); 643 } 644 mExitSecureCallback = null; 645 if (!mExternallyEnabled) { 646 hideLocked(); 647 } 648 } else if (mShowing) { 649 resetStateLocked(); 650 } else if (why == WindowManagerPolicy.OFF_BECAUSE_OF_TIMEOUT 651 || (why == WindowManagerPolicy.OFF_BECAUSE_OF_USER && !lockImmediately)) { 652 doKeyguardLaterLocked(); 653 } else { 654 doKeyguardLocked(null); 655 } 656 } 657 KeyguardUpdateMonitor.getInstance(mContext).dispatchScreenTurndOff(why); 658 } 659 660 private void doKeyguardLaterLocked() { 661 // if the screen turned off because of timeout or the user hit the power button 662 // and we don't need to lock immediately, set an alarm 663 // to enable it a little bit later (i.e, give the user a chance 664 // to turn the screen back on within a certain window without 665 // having to unlock the screen) 666 final ContentResolver cr = mContext.getContentResolver(); 667 668 // From DisplaySettings 669 long displayTimeout = Settings.System.getInt(cr, SCREEN_OFF_TIMEOUT, 670 KEYGUARD_DISPLAY_TIMEOUT_DELAY_DEFAULT); 671 672 // From SecuritySettings 673 final long lockAfterTimeout = Settings.Secure.getInt(cr, 674 Settings.Secure.LOCK_SCREEN_LOCK_AFTER_TIMEOUT, 675 KEYGUARD_LOCK_AFTER_DELAY_DEFAULT); 676 677 // From DevicePolicyAdmin 678 final long policyTimeout = mLockPatternUtils.getDevicePolicyManager() 679 .getMaximumTimeToLock(null, mLockPatternUtils.getCurrentUser()); 680 681 long timeout; 682 if (policyTimeout > 0) { 683 // policy in effect. Make sure we don't go beyond policy limit. 684 displayTimeout = Math.max(displayTimeout, 0); // ignore negative values 685 timeout = Math.min(policyTimeout - displayTimeout, lockAfterTimeout); 686 } else { 687 timeout = lockAfterTimeout; 688 } 689 690 if (timeout <= 0) { 691 // Lock now 692 mSuppressNextLockSound = true; 693 doKeyguardLocked(null); 694 } else { 695 // Lock in the future 696 long when = SystemClock.elapsedRealtime() + timeout; 697 Intent intent = new Intent(DELAYED_KEYGUARD_ACTION); 698 intent.putExtra("seq", mDelayedShowingSequence); 699 PendingIntent sender = PendingIntent.getBroadcast(mContext, 700 0, intent, PendingIntent.FLAG_CANCEL_CURRENT); 701 mAlarmManager.set(AlarmManager.ELAPSED_REALTIME_WAKEUP, when, sender); 702 if (DEBUG) Log.d(TAG, "setting alarm to turn off keyguard, seq = " 703 + mDelayedShowingSequence); 704 } 705 } 706 707 private void cancelDoKeyguardLaterLocked() { 708 mDelayedShowingSequence++; 709 } 710 711 /** 712 * Let's us know the screen was turned on. 713 */ 714 public void onScreenTurnedOn(IKeyguardShowCallback callback) { 715 synchronized (this) { 716 mScreenOn = true; 717 cancelDoKeyguardLaterLocked(); 718 if (DEBUG) Log.d(TAG, "onScreenTurnedOn, seq = " + mDelayedShowingSequence); 719 if (callback != null) { 720 notifyScreenOnLocked(callback); 721 } 722 } 723 KeyguardUpdateMonitor.getInstance(mContext).dispatchScreenTurnedOn(); 724 maybeSendUserPresentBroadcast(); 725 } 726 727 private void maybeSendUserPresentBroadcast() { 728 if (mSystemReady && mLockPatternUtils.isLockScreenDisabled()) { 729 // Lock screen is disabled because the user has set the preference to "None". 730 // In this case, send out ACTION_USER_PRESENT here instead of in 731 // handleKeyguardDone() 732 sendUserPresentBroadcast(); 733 } 734 } 735 736 /** 737 * A dream started. We should lock after the usual screen-off lock timeout but only 738 * if there is a secure lock pattern. 739 */ 740 public void onDreamingStarted() { 741 synchronized (this) { 742 if (mScreenOn && mLockPatternUtils.isSecure()) { 743 doKeyguardLaterLocked(); 744 } 745 } 746 } 747 748 /** 749 * A dream stopped. 750 */ 751 public void onDreamingStopped() { 752 synchronized (this) { 753 if (mScreenOn) { 754 cancelDoKeyguardLaterLocked(); 755 } 756 } 757 } 758 759 /** 760 * Same semantics as {@link android.view.WindowManagerPolicy#enableKeyguard}; provide 761 * a way for external stuff to override normal keyguard behavior. For instance 762 * the phone app disables the keyguard when it receives incoming calls. 763 */ 764 public void setKeyguardEnabled(boolean enabled) { 765 synchronized (this) { 766 if (DEBUG) Log.d(TAG, "setKeyguardEnabled(" + enabled + ")"); 767 768 mExternallyEnabled = enabled; 769 770 if (!enabled && mShowing) { 771 if (mExitSecureCallback != null) { 772 if (DEBUG) Log.d(TAG, "in process of verifyUnlock request, ignoring"); 773 // we're in the process of handling a request to verify the user 774 // can get past the keyguard. ignore extraneous requests to disable / reenable 775 return; 776 } 777 778 // hiding keyguard that is showing, remember to reshow later 779 if (DEBUG) Log.d(TAG, "remembering to reshow, hiding keyguard, " 780 + "disabling status bar expansion"); 781 mNeedToReshowWhenReenabled = true; 782 updateInputRestrictedLocked(); 783 hideLocked(); 784 } else if (enabled && mNeedToReshowWhenReenabled) { 785 // reenabled after previously hidden, reshow 786 if (DEBUG) Log.d(TAG, "previously hidden, reshowing, reenabling " 787 + "status bar expansion"); 788 mNeedToReshowWhenReenabled = false; 789 updateInputRestrictedLocked(); 790 791 if (mExitSecureCallback != null) { 792 if (DEBUG) Log.d(TAG, "onKeyguardExitResult(false), resetting"); 793 try { 794 mExitSecureCallback.onKeyguardExitResult(false); 795 } catch (RemoteException e) { 796 Slog.w(TAG, "Failed to call onKeyguardExitResult(false)", e); 797 } 798 mExitSecureCallback = null; 799 resetStateLocked(); 800 } else { 801 showLocked(null); 802 803 // block until we know the keygaurd is done drawing (and post a message 804 // to unblock us after a timeout so we don't risk blocking too long 805 // and causing an ANR). 806 mWaitingUntilKeyguardVisible = true; 807 mHandler.sendEmptyMessageDelayed(KEYGUARD_DONE_DRAWING, KEYGUARD_DONE_DRAWING_TIMEOUT_MS); 808 if (DEBUG) Log.d(TAG, "waiting until mWaitingUntilKeyguardVisible is false"); 809 while (mWaitingUntilKeyguardVisible) { 810 try { 811 wait(); 812 } catch (InterruptedException e) { 813 Thread.currentThread().interrupt(); 814 } 815 } 816 if (DEBUG) Log.d(TAG, "done waiting for mWaitingUntilKeyguardVisible"); 817 } 818 } 819 } 820 } 821 822 /** 823 * @see android.app.KeyguardManager#exitKeyguardSecurely 824 */ 825 public void verifyUnlock(IKeyguardExitCallback callback) { 826 synchronized (this) { 827 if (DEBUG) Log.d(TAG, "verifyUnlock"); 828 if (shouldWaitForProvisioning()) { 829 // don't allow this api when the device isn't provisioned 830 if (DEBUG) Log.d(TAG, "ignoring because device isn't provisioned"); 831 try { 832 callback.onKeyguardExitResult(false); 833 } catch (RemoteException e) { 834 Slog.w(TAG, "Failed to call onKeyguardExitResult(false)", e); 835 } 836 } else if (mExternallyEnabled) { 837 // this only applies when the user has externally disabled the 838 // keyguard. this is unexpected and means the user is not 839 // using the api properly. 840 Log.w(TAG, "verifyUnlock called when not externally disabled"); 841 try { 842 callback.onKeyguardExitResult(false); 843 } catch (RemoteException e) { 844 Slog.w(TAG, "Failed to call onKeyguardExitResult(false)", e); 845 } 846 } else if (mExitSecureCallback != null) { 847 // already in progress with someone else 848 try { 849 callback.onKeyguardExitResult(false); 850 } catch (RemoteException e) { 851 Slog.w(TAG, "Failed to call onKeyguardExitResult(false)", e); 852 } 853 } else { 854 mExitSecureCallback = callback; 855 verifyUnlockLocked(); 856 } 857 } 858 } 859 860 /** 861 * Is the keyguard currently showing and not being force hidden? 862 */ 863 public boolean isShowingAndNotOccluded() { 864 return mShowing && !mOccluded; 865 } 866 867 /** 868 * Notify us when the keyguard is occluded by another window 869 */ 870 public void setOccluded(boolean isOccluded) { 871 if (DEBUG) Log.d(TAG, "setOccluded " + isOccluded); 872 mHandler.removeMessages(SET_OCCLUDED); 873 Message msg = mHandler.obtainMessage(SET_OCCLUDED, (isOccluded ? 1 : 0), 0); 874 mHandler.sendMessage(msg); 875 } 876 877 /** 878 * Handles SET_OCCLUDED message sent by setOccluded() 879 */ 880 private void handleSetOccluded(boolean isOccluded) { 881 synchronized (KeyguardViewMediator.this) { 882 if (mOccluded != isOccluded) { 883 mOccluded = isOccluded; 884 mStatusBarKeyguardViewManager.setOccluded(isOccluded); 885 updateActivityLockScreenState(); 886 adjustStatusBarLocked(); 887 } 888 } 889 } 890 891 /** 892 * Used by PhoneWindowManager to enable the keyguard due to a user activity timeout. 893 * This must be safe to call from any thread and with any window manager locks held. 894 */ 895 public void doKeyguardTimeout(Bundle options) { 896 mHandler.removeMessages(KEYGUARD_TIMEOUT); 897 Message msg = mHandler.obtainMessage(KEYGUARD_TIMEOUT, options); 898 mHandler.sendMessage(msg); 899 } 900 901 /** 902 * Given the state of the keyguard, is the input restricted? 903 * Input is restricted when the keyguard is showing, or when the keyguard 904 * was suppressed by an app that disabled the keyguard or we haven't been provisioned yet. 905 */ 906 public boolean isInputRestricted() { 907 return mShowing || mNeedToReshowWhenReenabled || shouldWaitForProvisioning(); 908 } 909 910 private void updateInputRestricted() { 911 synchronized (this) { 912 updateInputRestrictedLocked(); 913 } 914 } 915 private void updateInputRestrictedLocked() { 916 boolean inputRestricted = isInputRestricted(); 917 if (mInputRestricted != inputRestricted) { 918 mInputRestricted = inputRestricted; 919 try { 920 int size = mKeyguardStateCallbacks.size(); 921 for (int i = 0; i < size; i++) { 922 mKeyguardStateCallbacks.get(i).onInputRestrictedStateChanged(inputRestricted); 923 } 924 } catch (RemoteException e) { 925 Slog.w(TAG, "Failed to call onDeviceProvisioned", e); 926 } 927 } 928 } 929 930 /** 931 * Enable the keyguard if the settings are appropriate. 932 */ 933 private void doKeyguardLocked(Bundle options) { 934 // if another app is disabling us, don't show 935 if (!mExternallyEnabled) { 936 if (DEBUG) Log.d(TAG, "doKeyguard: not showing because externally disabled"); 937 938 // note: we *should* set mNeedToReshowWhenReenabled=true here, but that makes 939 // for an occasional ugly flicker in this situation: 940 // 1) receive a call with the screen on (no keyguard) or make a call 941 // 2) screen times out 942 // 3) user hits key to turn screen back on 943 // instead, we reenable the keyguard when we know the screen is off and the call 944 // ends (see the broadcast receiver below) 945 // TODO: clean this up when we have better support at the window manager level 946 // for apps that wish to be on top of the keyguard 947 return; 948 } 949 950 // if the keyguard is already showing, don't bother 951 if (mStatusBarKeyguardViewManager.isShowing()) { 952 if (DEBUG) Log.d(TAG, "doKeyguard: not showing because it is already showing"); 953 resetStateLocked(); 954 return; 955 } 956 957 // if the setup wizard hasn't run yet, don't show 958 final boolean requireSim = !SystemProperties.getBoolean("keyguard.no_require_sim", false); 959 final boolean absent = SubscriptionManager.isValidSubscriptionId( 960 mUpdateMonitor.getNextSubIdForState(IccCardConstants.State.ABSENT)); 961 final boolean disabled = SubscriptionManager.isValidSubscriptionId( 962 mUpdateMonitor.getNextSubIdForState(IccCardConstants.State.PERM_DISABLED)); 963 final boolean lockedOrMissing = mUpdateMonitor.isSimPinSecure() 964 || ((absent || disabled) && requireSim); 965 966 if (!lockedOrMissing && shouldWaitForProvisioning()) { 967 if (DEBUG) Log.d(TAG, "doKeyguard: not showing because device isn't provisioned" 968 + " and the sim is not locked or missing"); 969 return; 970 } 971 972 if (mLockPatternUtils.isLockScreenDisabled() && !lockedOrMissing) { 973 if (DEBUG) Log.d(TAG, "doKeyguard: not showing because lockscreen is off"); 974 return; 975 } 976 977 if (mLockPatternUtils.checkVoldPassword()) { 978 if (DEBUG) Log.d(TAG, "Not showing lock screen since just decrypted"); 979 // Without this, settings is not enabled until the lock screen first appears 980 setShowingLocked(false); 981 hideLocked(); 982 return; 983 } 984 985 if (DEBUG) Log.d(TAG, "doKeyguard: showing the lock screen"); 986 showLocked(options); 987 } 988 989 private boolean shouldWaitForProvisioning() { 990 return !mUpdateMonitor.isDeviceProvisioned() && !isSecure(); 991 } 992 993 /** 994 * Dismiss the keyguard through the security layers. 995 */ 996 public void handleDismiss() { 997 if (mShowing && !mOccluded) { 998 mStatusBarKeyguardViewManager.dismiss(); 999 } 1000 } 1001 1002 public void dismiss() { 1003 mHandler.sendEmptyMessage(DISMISS); 1004 } 1005 1006 /** 1007 * Send message to keyguard telling it to reset its state. 1008 * @see #handleReset 1009 */ 1010 private void resetStateLocked() { 1011 if (DEBUG) Log.e(TAG, "resetStateLocked"); 1012 Message msg = mHandler.obtainMessage(RESET); 1013 mHandler.sendMessage(msg); 1014 } 1015 1016 /** 1017 * Send message to keyguard telling it to verify unlock 1018 * @see #handleVerifyUnlock() 1019 */ 1020 private void verifyUnlockLocked() { 1021 if (DEBUG) Log.d(TAG, "verifyUnlockLocked"); 1022 mHandler.sendEmptyMessage(VERIFY_UNLOCK); 1023 } 1024 1025 1026 /** 1027 * Send a message to keyguard telling it the screen just turned on. 1028 * @see #onScreenTurnedOff(int) 1029 * @see #handleNotifyScreenOff 1030 */ 1031 private void notifyScreenOffLocked() { 1032 if (DEBUG) Log.d(TAG, "notifyScreenOffLocked"); 1033 mHandler.sendEmptyMessage(NOTIFY_SCREEN_OFF); 1034 } 1035 1036 /** 1037 * Send a message to keyguard telling it the screen just turned on. 1038 * @see #onScreenTurnedOn 1039 * @see #handleNotifyScreenOn 1040 */ 1041 private void notifyScreenOnLocked(IKeyguardShowCallback result) { 1042 if (DEBUG) Log.d(TAG, "notifyScreenOnLocked"); 1043 Message msg = mHandler.obtainMessage(NOTIFY_SCREEN_ON, result); 1044 mHandler.sendMessage(msg); 1045 } 1046 1047 /** 1048 * Send message to keyguard telling it to show itself 1049 * @see #handleShow 1050 */ 1051 private void showLocked(Bundle options) { 1052 if (DEBUG) Log.d(TAG, "showLocked"); 1053 // ensure we stay awake until we are finished displaying the keyguard 1054 mShowKeyguardWakeLock.acquire(); 1055 Message msg = mHandler.obtainMessage(SHOW, options); 1056 mHandler.sendMessage(msg); 1057 } 1058 1059 /** 1060 * Send message to keyguard telling it to hide itself 1061 * @see #handleHide() 1062 */ 1063 private void hideLocked() { 1064 if (DEBUG) Log.d(TAG, "hideLocked"); 1065 Message msg = mHandler.obtainMessage(HIDE); 1066 mHandler.sendMessage(msg); 1067 } 1068 1069 public boolean isSecure() { 1070 return mLockPatternUtils.isSecure() 1071 || KeyguardUpdateMonitor.getInstance(mContext).isSimPinSecure(); 1072 } 1073 1074 /** 1075 * Update the newUserId. Call while holding WindowManagerService lock. 1076 * NOTE: Should only be called by KeyguardViewMediator in response to the user id changing. 1077 * 1078 * @param newUserId The id of the incoming user. 1079 */ 1080 public void setCurrentUser(int newUserId) { 1081 mLockPatternUtils.setCurrentUser(newUserId); 1082 } 1083 1084 private final BroadcastReceiver mBroadcastReceiver = new BroadcastReceiver() { 1085 @Override 1086 public void onReceive(Context context, Intent intent) { 1087 if (DELAYED_KEYGUARD_ACTION.equals(intent.getAction())) { 1088 final int sequence = intent.getIntExtra("seq", 0); 1089 if (DEBUG) Log.d(TAG, "received DELAYED_KEYGUARD_ACTION with seq = " 1090 + sequence + ", mDelayedShowingSequence = " + mDelayedShowingSequence); 1091 synchronized (KeyguardViewMediator.this) { 1092 if (mDelayedShowingSequence == sequence) { 1093 // Don't play lockscreen SFX if the screen went off due to timeout. 1094 mSuppressNextLockSound = true; 1095 doKeyguardLocked(null); 1096 } 1097 } 1098 } 1099 } 1100 }; 1101 1102 public void keyguardDone(boolean authenticated, boolean wakeup) { 1103 if (DEBUG) Log.d(TAG, "keyguardDone(" + authenticated + ")"); 1104 EventLog.writeEvent(70000, 2); 1105 Message msg = mHandler.obtainMessage(KEYGUARD_DONE, authenticated ? 1 : 0, wakeup ? 1 : 0); 1106 mHandler.sendMessage(msg); 1107 } 1108 1109 /** 1110 * This handler will be associated with the policy thread, which will also 1111 * be the UI thread of the keyguard. Since the apis of the policy, and therefore 1112 * this class, can be called by other threads, any action that directly 1113 * interacts with the keyguard ui should be posted to this handler, rather 1114 * than called directly. 1115 */ 1116 private Handler mHandler = new Handler(Looper.myLooper(), null, true /*async*/) { 1117 @Override 1118 public void handleMessage(Message msg) { 1119 switch (msg.what) { 1120 case SHOW: 1121 handleShow((Bundle) msg.obj); 1122 break; 1123 case HIDE: 1124 handleHide(); 1125 break; 1126 case RESET: 1127 handleReset(); 1128 break; 1129 case VERIFY_UNLOCK: 1130 handleVerifyUnlock(); 1131 break; 1132 case NOTIFY_SCREEN_OFF: 1133 handleNotifyScreenOff(); 1134 break; 1135 case NOTIFY_SCREEN_ON: 1136 handleNotifyScreenOn((IKeyguardShowCallback) msg.obj); 1137 break; 1138 case KEYGUARD_DONE: 1139 handleKeyguardDone(msg.arg1 != 0, msg.arg2 != 0); 1140 break; 1141 case KEYGUARD_DONE_DRAWING: 1142 handleKeyguardDoneDrawing(); 1143 break; 1144 case KEYGUARD_DONE_AUTHENTICATING: 1145 keyguardDone(true, true); 1146 break; 1147 case SET_OCCLUDED: 1148 handleSetOccluded(msg.arg1 != 0); 1149 break; 1150 case KEYGUARD_TIMEOUT: 1151 synchronized (KeyguardViewMediator.this) { 1152 doKeyguardLocked((Bundle) msg.obj); 1153 } 1154 break; 1155 case DISMISS: 1156 handleDismiss(); 1157 break; 1158 case START_KEYGUARD_EXIT_ANIM: 1159 StartKeyguardExitAnimParams params = (StartKeyguardExitAnimParams) msg.obj; 1160 handleStartKeyguardExitAnimation(params.startTime, params.fadeoutDuration); 1161 break; 1162 case KEYGUARD_DONE_PENDING_TIMEOUT: 1163 Log.w(TAG, "Timeout while waiting for activity drawn!"); 1164 // Fall through. 1165 case ON_ACTIVITY_DRAWN: 1166 handleOnActivityDrawn(); 1167 break; 1168 } 1169 } 1170 }; 1171 1172 /** 1173 * @see #keyguardDone 1174 * @see #KEYGUARD_DONE 1175 */ 1176 private void handleKeyguardDone(boolean authenticated, boolean wakeup) { 1177 if (DEBUG) Log.d(TAG, "handleKeyguardDone"); 1178 synchronized (this) { 1179 resetKeyguardDonePendingLocked(); 1180 } 1181 1182 if (authenticated) { 1183 mUpdateMonitor.clearFailedUnlockAttempts(); 1184 } 1185 mUpdateMonitor.clearFingerprintRecognized(); 1186 1187 if (mExitSecureCallback != null) { 1188 try { 1189 mExitSecureCallback.onKeyguardExitResult(authenticated); 1190 } catch (RemoteException e) { 1191 Slog.w(TAG, "Failed to call onKeyguardExitResult(" + authenticated + ")", e); 1192 } 1193 1194 mExitSecureCallback = null; 1195 1196 if (authenticated) { 1197 // after succesfully exiting securely, no need to reshow 1198 // the keyguard when they've released the lock 1199 mExternallyEnabled = true; 1200 mNeedToReshowWhenReenabled = false; 1201 updateInputRestricted(); 1202 } 1203 } 1204 1205 handleHide(); 1206 } 1207 1208 private void sendUserPresentBroadcast() { 1209 synchronized (this) { 1210 if (mBootCompleted) { 1211 final UserHandle currentUser = new UserHandle(mLockPatternUtils.getCurrentUser()); 1212 final UserManager um = (UserManager) mContext.getSystemService( 1213 Context.USER_SERVICE); 1214 List <UserInfo> userHandles = um.getProfiles(currentUser.getIdentifier()); 1215 for (UserInfo ui : userHandles) { 1216 mContext.sendBroadcastAsUser(USER_PRESENT_INTENT, ui.getUserHandle()); 1217 } 1218 } else { 1219 mBootSendUserPresent = true; 1220 } 1221 } 1222 } 1223 1224 /** 1225 * @see #keyguardDone 1226 * @see #KEYGUARD_DONE_DRAWING 1227 */ 1228 private void handleKeyguardDoneDrawing() { 1229 synchronized(this) { 1230 if (DEBUG) Log.d(TAG, "handleKeyguardDoneDrawing"); 1231 if (mWaitingUntilKeyguardVisible) { 1232 if (DEBUG) Log.d(TAG, "handleKeyguardDoneDrawing: notifying mWaitingUntilKeyguardVisible"); 1233 mWaitingUntilKeyguardVisible = false; 1234 notifyAll(); 1235 1236 // there will usually be two of these sent, one as a timeout, and one 1237 // as a result of the callback, so remove any remaining messages from 1238 // the queue 1239 mHandler.removeMessages(KEYGUARD_DONE_DRAWING); 1240 } 1241 } 1242 } 1243 1244 private void playSounds(boolean locked) { 1245 // User feedback for keyguard. 1246 1247 if (mSuppressNextLockSound) { 1248 mSuppressNextLockSound = false; 1249 return; 1250 } 1251 1252 playSound(locked ? mLockSoundId : mUnlockSoundId); 1253 } 1254 1255 private void playSound(int soundId) { 1256 if (soundId == 0) return; 1257 final ContentResolver cr = mContext.getContentResolver(); 1258 if (Settings.System.getInt(cr, Settings.System.LOCKSCREEN_SOUNDS_ENABLED, 1) == 1) { 1259 1260 mLockSounds.stop(mLockSoundStreamId); 1261 // Init mAudioManager 1262 if (mAudioManager == null) { 1263 mAudioManager = (AudioManager) mContext.getSystemService(Context.AUDIO_SERVICE); 1264 if (mAudioManager == null) return; 1265 mMasterStreamType = mAudioManager.getMasterStreamType(); 1266 } 1267 // If the stream is muted, don't play the sound 1268 if (mAudioManager.isStreamMute(mMasterStreamType)) return; 1269 1270 mLockSoundStreamId = mLockSounds.play(soundId, 1271 mLockSoundVolume, mLockSoundVolume, 1/*priortiy*/, 0/*loop*/, 1.0f/*rate*/); 1272 } 1273 } 1274 1275 private void playTrustedSound() { 1276 if (mSuppressNextLockSound) { 1277 return; 1278 } 1279 playSound(mTrustedSoundId); 1280 } 1281 1282 private void updateActivityLockScreenState() { 1283 try { 1284 ActivityManagerNative.getDefault().setLockScreenShown(mShowing && !mOccluded); 1285 } catch (RemoteException e) { 1286 } 1287 } 1288 1289 /** 1290 * Handle message sent by {@link #showLocked}. 1291 * @see #SHOW 1292 */ 1293 private void handleShow(Bundle options) { 1294 synchronized (KeyguardViewMediator.this) { 1295 if (!mSystemReady) { 1296 if (DEBUG) Log.d(TAG, "ignoring handleShow because system is not ready."); 1297 return; 1298 } else { 1299 if (DEBUG) Log.d(TAG, "handleShow"); 1300 } 1301 1302 setShowingLocked(true); 1303 mStatusBarKeyguardViewManager.show(options); 1304 mHiding = false; 1305 resetKeyguardDonePendingLocked(); 1306 mHideAnimationRun = false; 1307 updateActivityLockScreenState(); 1308 adjustStatusBarLocked(); 1309 userActivity(); 1310 1311 // Do this at the end to not slow down display of the keyguard. 1312 playSounds(true); 1313 1314 mShowKeyguardWakeLock.release(); 1315 } 1316 mKeyguardDisplayManager.show(); 1317 } 1318 1319 private final Runnable mKeyguardGoingAwayRunnable = new Runnable() { 1320 @Override 1321 public void run() { 1322 try { 1323 // Don't actually hide the Keyguard at the moment, wait for window 1324 // manager until it tells us it's safe to do so with 1325 // startKeyguardExitAnimation. 1326 mWM.keyguardGoingAway( 1327 mStatusBarKeyguardViewManager.shouldDisableWindowAnimationsForUnlock(), 1328 mStatusBarKeyguardViewManager.isGoingToNotificationShade()); 1329 } catch (RemoteException e) { 1330 Log.e(TAG, "Error while calling WindowManager", e); 1331 } 1332 } 1333 }; 1334 1335 /** 1336 * Handle message sent by {@link #hideLocked()} 1337 * @see #HIDE 1338 */ 1339 private void handleHide() { 1340 synchronized (KeyguardViewMediator.this) { 1341 if (DEBUG) Log.d(TAG, "handleHide"); 1342 1343 mHiding = true; 1344 if (mShowing && !mOccluded) { 1345 if (!mHideAnimationRun) { 1346 mStatusBarKeyguardViewManager.startPreHideAnimation(mKeyguardGoingAwayRunnable); 1347 } else { 1348 mKeyguardGoingAwayRunnable.run(); 1349 } 1350 } else { 1351 1352 // Don't try to rely on WindowManager - if Keyguard wasn't showing, window 1353 // manager won't start the exit animation. 1354 handleStartKeyguardExitAnimation( 1355 SystemClock.uptimeMillis() + mHideAnimation.getStartOffset(), 1356 mHideAnimation.getDuration()); 1357 } 1358 } 1359 } 1360 1361 private void handleOnActivityDrawn() { 1362 if (DEBUG) Log.d(TAG, "handleOnActivityDrawn: mKeyguardDonePending=" + mKeyguardDonePending); 1363 if (mKeyguardDonePending) { 1364 mStatusBarKeyguardViewManager.onActivityDrawn(); 1365 } 1366 } 1367 1368 private void handleStartKeyguardExitAnimation(long startTime, long fadeoutDuration) { 1369 synchronized (KeyguardViewMediator.this) { 1370 1371 if (!mHiding) { 1372 return; 1373 } 1374 mHiding = false; 1375 1376 // only play "unlock" noises if not on a call (since the incall UI 1377 // disables the keyguard) 1378 if (TelephonyManager.EXTRA_STATE_IDLE.equals(mPhoneState)) { 1379 playSounds(false); 1380 } 1381 1382 setShowingLocked(false); 1383 mStatusBarKeyguardViewManager.hide(startTime, fadeoutDuration); 1384 resetKeyguardDonePendingLocked(); 1385 mHideAnimationRun = false; 1386 updateActivityLockScreenState(); 1387 adjustStatusBarLocked(); 1388 sendUserPresentBroadcast(); 1389 } 1390 } 1391 1392 private void adjustStatusBarLocked() { 1393 if (mStatusBarManager == null) { 1394 mStatusBarManager = (StatusBarManager) 1395 mContext.getSystemService(Context.STATUS_BAR_SERVICE); 1396 } 1397 if (mStatusBarManager == null) { 1398 Log.w(TAG, "Could not get status bar manager"); 1399 } else { 1400 // Disable aspects of the system/status/navigation bars that must not be re-enabled by 1401 // windows that appear on top, ever 1402 int flags = StatusBarManager.DISABLE_NONE; 1403 if (mShowing) { 1404 // Permanently disable components not available when keyguard is enabled 1405 // (like recents). Temporary enable/disable (e.g. the "back" button) are 1406 // done in KeyguardHostView. 1407 flags |= StatusBarManager.DISABLE_RECENT; 1408 flags |= StatusBarManager.DISABLE_SEARCH; 1409 } 1410 if (isShowingAndNotOccluded()) { 1411 flags |= StatusBarManager.DISABLE_HOME; 1412 } 1413 1414 if (DEBUG) { 1415 Log.d(TAG, "adjustStatusBarLocked: mShowing=" + mShowing + " mOccluded=" + mOccluded 1416 + " isSecure=" + isSecure() + " --> flags=0x" + Integer.toHexString(flags)); 1417 } 1418 1419 if (!(mContext instanceof Activity)) { 1420 mStatusBarManager.disable(flags); 1421 } 1422 } 1423 } 1424 1425 /** 1426 * Handle message sent by {@link #resetStateLocked} 1427 * @see #RESET 1428 */ 1429 private void handleReset() { 1430 synchronized (KeyguardViewMediator.this) { 1431 if (DEBUG) Log.d(TAG, "handleReset"); 1432 mStatusBarKeyguardViewManager.reset(); 1433 } 1434 } 1435 1436 /** 1437 * Handle message sent by {@link #verifyUnlock} 1438 * @see #VERIFY_UNLOCK 1439 */ 1440 private void handleVerifyUnlock() { 1441 synchronized (KeyguardViewMediator.this) { 1442 if (DEBUG) Log.d(TAG, "handleVerifyUnlock"); 1443 setShowingLocked(true); 1444 mStatusBarKeyguardViewManager.verifyUnlock(); 1445 updateActivityLockScreenState(); 1446 } 1447 } 1448 1449 /** 1450 * Handle message sent by {@link #notifyScreenOffLocked()} 1451 * @see #NOTIFY_SCREEN_OFF 1452 */ 1453 private void handleNotifyScreenOff() { 1454 synchronized (KeyguardViewMediator.this) { 1455 if (DEBUG) Log.d(TAG, "handleNotifyScreenOff"); 1456 mStatusBarKeyguardViewManager.onScreenTurnedOff(); 1457 } 1458 } 1459 1460 /** 1461 * Handle message sent by {@link #notifyScreenOnLocked} 1462 * @see #NOTIFY_SCREEN_ON 1463 */ 1464 private void handleNotifyScreenOn(IKeyguardShowCallback callback) { 1465 synchronized (KeyguardViewMediator.this) { 1466 if (DEBUG) Log.d(TAG, "handleNotifyScreenOn"); 1467 mStatusBarKeyguardViewManager.onScreenTurnedOn(callback); 1468 } 1469 } 1470 1471 private void resetKeyguardDonePendingLocked() { 1472 mKeyguardDonePending = false; 1473 mHandler.removeMessages(KEYGUARD_DONE_PENDING_TIMEOUT); 1474 } 1475 1476 public void onBootCompleted() { 1477 mUpdateMonitor.dispatchBootCompleted(); 1478 synchronized (this) { 1479 mBootCompleted = true; 1480 if (mBootSendUserPresent) { 1481 sendUserPresentBroadcast(); 1482 } 1483 } 1484 } 1485 1486 public StatusBarKeyguardViewManager registerStatusBar(PhoneStatusBar phoneStatusBar, 1487 ViewGroup container, StatusBarWindowManager statusBarWindowManager, 1488 ScrimController scrimController) { 1489 mStatusBarKeyguardViewManager.registerStatusBar(phoneStatusBar, container, 1490 statusBarWindowManager, scrimController); 1491 return mStatusBarKeyguardViewManager; 1492 } 1493 1494 public void startKeyguardExitAnimation(long startTime, long fadeoutDuration) { 1495 Message msg = mHandler.obtainMessage(START_KEYGUARD_EXIT_ANIM, 1496 new StartKeyguardExitAnimParams(startTime, fadeoutDuration)); 1497 mHandler.sendMessage(msg); 1498 } 1499 1500 public void onActivityDrawn() { 1501 mHandler.sendEmptyMessage(ON_ACTIVITY_DRAWN); 1502 } 1503 public ViewMediatorCallback getViewMediatorCallback() { 1504 return mViewMediatorCallback; 1505 } 1506 1507 private static class StartKeyguardExitAnimParams { 1508 1509 long startTime; 1510 long fadeoutDuration; 1511 1512 private StartKeyguardExitAnimParams(long startTime, long fadeoutDuration) { 1513 this.startTime = startTime; 1514 this.fadeoutDuration = fadeoutDuration; 1515 } 1516 } 1517 1518 private void setShowingLocked(boolean showing) { 1519 if (showing != mShowing) { 1520 mShowing = showing; 1521 try { 1522 int size = mKeyguardStateCallbacks.size(); 1523 for (int i = 0; i < size; i++) { 1524 mKeyguardStateCallbacks.get(i).onShowingStateChanged(showing); 1525 } 1526 } catch (RemoteException e) { 1527 Slog.w(TAG, "Failed to call onShowingStateChanged", e); 1528 } 1529 updateInputRestrictedLocked(); 1530 mTrustManager.reportKeyguardShowingChanged(); 1531 } 1532 } 1533 1534 public void addStateMonitorCallback(IKeyguardStateCallback callback) { 1535 synchronized (this) { 1536 mKeyguardStateCallbacks.add(callback); 1537 try { 1538 callback.onSimSecureStateChanged(mUpdateMonitor.isSimPinSecure()); 1539 callback.onShowingStateChanged(mShowing); 1540 } catch (RemoteException e) { 1541 Slog.w(TAG, "Failed to call onShowingStateChanged or onSimSecureStateChanged", e); 1542 } 1543 } 1544 } 1545} 1546