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 17 package com.android.systemui.keyguard; 18 19 import android.app.Activity; 20 import android.app.ActivityManager; 21 import android.app.ActivityManagerNative; 22 import android.app.AlarmManager; 23 import android.app.PendingIntent; 24 import android.app.SearchManager; 25 import android.app.StatusBarManager; 26 import android.app.trust.TrustManager; 27 import android.content.BroadcastReceiver; 28 import android.content.ContentResolver; 29 import android.content.Context; 30 import android.content.Intent; 31 import android.content.IntentFilter; 32 import android.content.pm.UserInfo; 33 import android.media.AudioManager; 34 import android.media.SoundPool; 35 import android.os.Bundle; 36 import android.os.Handler; 37 import android.os.Looper; 38 import android.os.Message; 39 import android.os.PowerManager; 40 import android.os.RemoteException; 41 import android.os.SystemClock; 42 import android.os.SystemProperties; 43 import android.os.UserHandle; 44 import android.os.UserManager; 45 import android.provider.Settings; 46 import android.telephony.SubscriptionManager; 47 import android.telephony.TelephonyManager; 48 import android.util.EventLog; 49 import android.util.Log; 50 import android.util.Slog; 51 import android.view.IWindowManager; 52 import android.view.ViewGroup; 53 import android.view.WindowManagerGlobal; 54 import android.view.WindowManagerPolicy; 55 import android.view.animation.Animation; 56 import android.view.animation.AnimationUtils; 57 import com.android.internal.policy.IKeyguardExitCallback; 58 import com.android.internal.policy.IKeyguardShowCallback; 59 import com.android.internal.policy.IKeyguardStateCallback; 60 import com.android.internal.telephony.IccCardConstants; 61 import com.android.internal.widget.LockPatternUtils; 62 import com.android.keyguard.KeyguardConstants; 63 import com.android.keyguard.KeyguardDisplayManager; 64 import com.android.keyguard.KeyguardUpdateMonitor; 65 import com.android.keyguard.KeyguardUpdateMonitorCallback; 66 import com.android.keyguard.MultiUserAvatarCache; 67 import com.android.keyguard.ViewMediatorCallback; 68 import com.android.systemui.SystemUI; 69 import com.android.systemui.statusbar.phone.PhoneStatusBar; 70 import com.android.systemui.statusbar.phone.ScrimController; 71 import com.android.systemui.statusbar.phone.StatusBarKeyguardViewManager; 72 import com.android.systemui.statusbar.phone.StatusBarWindowManager; 73 74 import java.util.ArrayList; 75 import java.util.List; 76 77 import static android.provider.Settings.System.SCREEN_OFF_TIMEOUT; 78 79 80 /** 81 * Mediates requests related to the keyguard. This includes queries about the 82 * state of the keyguard, power management events that effect whether the keyguard 83 * should be shown or reset, callbacks to the phone window manager to notify 84 * it of when the keyguard is showing, and events from the keyguard view itself 85 * stating that the keyguard was succesfully unlocked. 86 * 87 * Note that the keyguard view is shown when the screen is off (as appropriate) 88 * so that once the screen comes on, it will be ready immediately. 89 * 90 * Example queries about the keyguard: 91 * - is {movement, key} one that should wake the keygaurd? 92 * - is the keyguard showing? 93 * - are input events restricted due to the state of the keyguard? 94 * 95 * Callbacks to the phone window manager: 96 * - the keyguard is showing 97 * 98 * Example external events that translate to keyguard view changes: 99 * - screen turned off -> reset the keyguard, and show it so it will be ready 100 * next time the screen turns on 101 * - keyboard is slid open -> if the keyguard is not secure, hide it 102 * 103 * Events from the keyguard view: 104 * - user succesfully unlocked keyguard -> hide keyguard view, and no longer 105 * restrict input events. 106 * 107 * Note: in addition to normal power managment events that effect the state of 108 * whether the keyguard should be showing, external apps and services may request 109 * that the keyguard be disabled via {@link #setKeyguardEnabled(boolean)}. When 110 * false, this will override all other conditions for turning on the keyguard. 111 * 112 * Threading and synchronization: 113 * This class is created by the initialization routine of the {@link android.view.WindowManagerPolicy}, 114 * and runs on its thread. The keyguard UI is created from that thread in the 115 * constructor of this class. The apis may be called from other threads, including the 116 * {@link com.android.server.input.InputManagerService}'s and {@link android.view.WindowManager}'s. 117 * Therefore, methods on this class are synchronized, and any action that is pointed 118 * directly to the keyguard UI is posted to a {@link android.os.Handler} to ensure it is taken on the UI 119 * thread of the keyguard. 120 */ 121 public class KeyguardViewMediator extends SystemUI { 122 private static final int KEYGUARD_DISPLAY_TIMEOUT_DELAY_DEFAULT = 30000; 123 private static final long KEYGUARD_DONE_PENDING_TIMEOUT_MS = 3000; 124 125 private static final boolean DEBUG = KeyguardConstants.DEBUG; 126 private static final boolean DEBUG_SIM_STATES = KeyguardConstants.DEBUG_SIM_STATES; 127 private final static boolean DBG_WAKE = false; 128 129 private final static String TAG = "KeyguardViewMediator"; 130 131 private static final String DELAYED_KEYGUARD_ACTION = 132 "com.android.internal.policy.impl.PhoneWindowManager.DELAYED_KEYGUARD"; 133 134 // used for handler messages 135 private static final int SHOW = 2; 136 private static final int HIDE = 3; 137 private static final int RESET = 4; 138 private static final int VERIFY_UNLOCK = 5; 139 private static final int NOTIFY_SCREEN_OFF = 6; 140 private static final int NOTIFY_SCREEN_ON = 7; 141 private static final int KEYGUARD_DONE = 9; 142 private static final int KEYGUARD_DONE_DRAWING = 10; 143 private static final int KEYGUARD_DONE_AUTHENTICATING = 11; 144 private static final int SET_OCCLUDED = 12; 145 private static final int KEYGUARD_TIMEOUT = 13; 146 private static final int DISMISS = 17; 147 private static final int START_KEYGUARD_EXIT_ANIM = 18; 148 private static final int ON_ACTIVITY_DRAWN = 19; 149 private static final int KEYGUARD_DONE_PENDING_TIMEOUT = 20; 150 151 /** 152 * The default amount of time we stay awake (used for all key input) 153 */ 154 public static final int AWAKE_INTERVAL_DEFAULT_MS = 10000; 155 156 /** 157 * How long to wait after the screen turns off due to timeout before 158 * turning on the keyguard (i.e, the user has this much time to turn 159 * the screen back on without having to face the keyguard). 160 */ 161 private static final int KEYGUARD_LOCK_AFTER_DELAY_DEFAULT = 5000; 162 163 /** 164 * How long we'll wait for the {@link ViewMediatorCallback#keyguardDoneDrawing()} 165 * callback before unblocking a call to {@link #setKeyguardEnabled(boolean)} 166 * that is reenabling the keyguard. 167 */ 168 private static final int KEYGUARD_DONE_DRAWING_TIMEOUT_MS = 2000; 169 170 /** 171 * Secure setting whether analytics are collected on the keyguard. 172 */ 173 private static final String KEYGUARD_ANALYTICS_SETTING = "keyguard_analytics"; 174 175 /** The stream type that the lock sounds are tied to. */ 176 private int mMasterStreamType; 177 178 private AlarmManager mAlarmManager; 179 private AudioManager mAudioManager; 180 private StatusBarManager mStatusBarManager; 181 private boolean mSwitchingUser; 182 183 private boolean mSystemReady; 184 private boolean mBootCompleted; 185 private boolean mBootSendUserPresent; 186 187 // Whether the next call to playSounds() should be skipped. Defaults to 188 // true because the first lock (on boot) should be silent. 189 private boolean mSuppressNextLockSound = true; 190 191 192 /** High level access to the power manager for WakeLocks */ 193 private PowerManager mPM; 194 195 /** High level access to the window manager for dismissing keyguard animation */ 196 private IWindowManager mWM; 197 198 199 /** TrustManager for letting it know when we change visibility */ 200 private TrustManager mTrustManager; 201 202 /** SearchManager for determining whether or not search assistant is available */ 203 private SearchManager mSearchManager; 204 205 /** 206 * Used to keep the device awake while to ensure the keyguard finishes opening before 207 * we sleep. 208 */ 209 private PowerManager.WakeLock mShowKeyguardWakeLock; 210 211 private StatusBarKeyguardViewManager mStatusBarKeyguardViewManager; 212 213 // these are protected by synchronized (this) 214 215 /** 216 * External apps (like the phone app) can tell us to disable the keygaurd. 217 */ 218 private boolean mExternallyEnabled = true; 219 220 /** 221 * Remember if an external call to {@link #setKeyguardEnabled} with value 222 * false caused us to hide the keyguard, so that we need to reshow it once 223 * the keygaurd is reenabled with another call with value true. 224 */ 225 private boolean mNeedToReshowWhenReenabled = false; 226 227 // cached value of whether we are showing (need to know this to quickly 228 // answer whether the input should be restricted) 229 private boolean mShowing; 230 231 /** Cached value of #isInputRestricted */ 232 private boolean mInputRestricted; 233 234 // true if the keyguard is hidden by another window 235 private boolean mOccluded = false; 236 237 /** 238 * Helps remember whether the screen has turned on since the last time 239 * it turned off due to timeout. see {@link #onScreenTurnedOff(int)} 240 */ 241 private int mDelayedShowingSequence; 242 243 /** 244 * If the user has disabled the keyguard, then requests to exit, this is 245 * how we'll ultimately let them know whether it was successful. We use this 246 * var being non-null as an indicator that there is an in progress request. 247 */ 248 private IKeyguardExitCallback mExitSecureCallback; 249 250 // the properties of the keyguard 251 252 private KeyguardUpdateMonitor mUpdateMonitor; 253 254 private boolean mScreenOn; 255 256 // last known state of the cellular connection 257 private String mPhoneState = TelephonyManager.EXTRA_STATE_IDLE; 258 259 /** 260 * Whether a hide is pending an we are just waiting for #startKeyguardExitAnimation to be 261 * called. 262 * */ 263 private boolean mHiding; 264 265 /** 266 * we send this intent when the keyguard is dismissed. 267 */ 268 private static final Intent USER_PRESENT_INTENT = new Intent(Intent.ACTION_USER_PRESENT) 269 .addFlags(Intent.FLAG_RECEIVER_REPLACE_PENDING 270 | Intent.FLAG_RECEIVER_REGISTERED_ONLY_BEFORE_BOOT); 271 272 /** 273 * {@link #setKeyguardEnabled} waits on this condition when it reenables 274 * the keyguard. 275 */ 276 private boolean mWaitingUntilKeyguardVisible = false; 277 private LockPatternUtils mLockPatternUtils; 278 private boolean mKeyguardDonePending = false; 279 private boolean mHideAnimationRun = false; 280 281 private SoundPool mLockSounds; 282 private int mLockSoundId; 283 private int mUnlockSoundId; 284 private int mTrustedSoundId; 285 private int mLockSoundStreamId; 286 287 /** 288 * The animation used for hiding keyguard. This is used to fetch the animation timings if 289 * WindowManager is not providing us with them. 290 */ 291 private Animation mHideAnimation; 292 293 /** 294 * The volume applied to the lock/unlock sounds. 295 */ 296 private float mLockSoundVolume; 297 298 /** 299 * For managing external displays 300 */ 301 private KeyguardDisplayManager mKeyguardDisplayManager; 302 303 private final ArrayList<IKeyguardStateCallback> mKeyguardStateCallbacks = new ArrayList<>(); 304 305 KeyguardUpdateMonitorCallback mUpdateCallback = new KeyguardUpdateMonitorCallback() { 306 307 @Override 308 public void onUserSwitching(int userId) { 309 // Note that the mLockPatternUtils user has already been updated from setCurrentUser. 310 // We need to force a reset of the views, since lockNow (called by 311 // ActivityManagerService) will not reconstruct the keyguard if it is already showing. 312 synchronized (KeyguardViewMediator.this) { 313 mSwitchingUser = true; 314 resetKeyguardDonePendingLocked(); 315 resetStateLocked(); 316 adjustStatusBarLocked(); 317 // When we switch users we want to bring the new user to the biometric unlock even 318 // if the current user has gone to the backup. 319 KeyguardUpdateMonitor.getInstance(mContext).setAlternateUnlockEnabled(true); 320 } 321 } 322 323 @Override 324 public void onUserSwitchComplete(int userId) { 325 mSwitchingUser = false; 326 if (userId != UserHandle.USER_OWNER) { 327 UserInfo info = UserManager.get(mContext).getUserInfo(userId); 328 if (info != null && info.isGuest()) { 329 // If we just switched to a guest, try to dismiss keyguard. 330 dismiss(); 331 } 332 } 333 } 334 335 @Override 336 public void onUserRemoved(int userId) { 337 mLockPatternUtils.removeUser(userId); 338 MultiUserAvatarCache.getInstance().clear(userId); 339 } 340 341 @Override 342 public void onUserInfoChanged(int userId) { 343 MultiUserAvatarCache.getInstance().clear(userId); 344 } 345 346 @Override 347 public void onPhoneStateChanged(int phoneState) { 348 synchronized (KeyguardViewMediator.this) { 349 if (TelephonyManager.CALL_STATE_IDLE == phoneState // call ending 350 && !mScreenOn // screen off 351 && mExternallyEnabled) { // not disabled by any app 352 353 // note: this is a way to gracefully reenable the keyguard when the call 354 // ends and the screen is off without always reenabling the keyguard 355 // each time the screen turns off while in call (and having an occasional ugly 356 // flicker while turning back on the screen and disabling the keyguard again). 357 if (DEBUG) Log.d(TAG, "screen is off and call ended, let's make sure the " 358 + "keyguard is showing"); 359 doKeyguardLocked(null); 360 } 361 } 362 } 363 364 @Override 365 public void onClockVisibilityChanged() { 366 adjustStatusBarLocked(); 367 } 368 369 @Override 370 public void onDeviceProvisioned() { 371 sendUserPresentBroadcast(); 372 updateInputRestricted(); 373 } 374 375 @Override 376 public void onSimStateChanged(int subId, int slotId, IccCardConstants.State simState) { 377 378 if (DEBUG_SIM_STATES) { 379 Log.d(TAG, "onSimStateChanged(subId=" + subId + ", slotId=" + slotId 380 + ",state=" + simState + ")"); 381 } 382 383 try { 384 int size = mKeyguardStateCallbacks.size(); 385 boolean simPinSecure = mUpdateMonitor.isSimPinSecure(); 386 for (int i = 0; i < size; i++) { 387 mKeyguardStateCallbacks.get(i).onSimSecureStateChanged(simPinSecure); 388 } 389 } catch (RemoteException e) { 390 Slog.w(TAG, "Failed to call onSimSecureStateChanged", e); 391 } 392 393 switch (simState) { 394 case NOT_READY: 395 case ABSENT: 396 // only force lock screen in case of missing sim if user hasn't 397 // gone through setup wizard 398 synchronized (this) { 399 if (shouldWaitForProvisioning()) { 400 if (!mShowing) { 401 if (DEBUG_SIM_STATES) Log.d(TAG, "ICC_ABSENT isn't showing," 402 + " we need to show the keyguard since the " 403 + "device isn't provisioned yet."); 404 doKeyguardLocked(null); 405 } else { 406 resetStateLocked(); 407 } 408 } 409 } 410 break; 411 case PIN_REQUIRED: 412 case PUK_REQUIRED: 413 synchronized (this) { 414 if (!mShowing) { 415 if (DEBUG_SIM_STATES) Log.d(TAG, 416 "INTENT_VALUE_ICC_LOCKED and keygaurd isn't " 417 + "showing; need to show keyguard so user can enter sim pin"); 418 doKeyguardLocked(null); 419 } else { 420 resetStateLocked(); 421 } 422 } 423 break; 424 case PERM_DISABLED: 425 synchronized (this) { 426 if (!mShowing) { 427 if (DEBUG_SIM_STATES) Log.d(TAG, "PERM_DISABLED and " 428 + "keygaurd isn't showing."); 429 doKeyguardLocked(null); 430 } else { 431 if (DEBUG_SIM_STATES) Log.d(TAG, "PERM_DISABLED, resetStateLocked to" 432 + "show permanently disabled message in lockscreen."); 433 resetStateLocked(); 434 } 435 } 436 break; 437 case READY: 438 synchronized (this) { 439 if (mShowing) { 440 resetStateLocked(); 441 } 442 } 443 break; 444 default: 445 if (DEBUG_SIM_STATES) Log.v(TAG, "Ignoring state: " + simState); 446 break; 447 } 448 } 449 450 public void onFingerprintRecognized(int userId) { 451 if (mStatusBarKeyguardViewManager.isBouncerShowing()) { 452 mViewMediatorCallback.keyguardDone(true); 453 } 454 }; 455 456 }; 457 458 ViewMediatorCallback mViewMediatorCallback = new ViewMediatorCallback() { 459 460 public void userActivity() { 461 KeyguardViewMediator.this.userActivity(); 462 } 463 464 public void keyguardDone(boolean authenticated) { 465 if (!mKeyguardDonePending) { 466 KeyguardViewMediator.this.keyguardDone(authenticated, true); 467 } 468 } 469 470 public void keyguardDoneDrawing() { 471 mHandler.sendEmptyMessage(KEYGUARD_DONE_DRAWING); 472 } 473 474 @Override 475 public void setNeedsInput(boolean needsInput) { 476 mStatusBarKeyguardViewManager.setNeedsInput(needsInput); 477 } 478 479 @Override 480 public void onUserActivityTimeoutChanged() { 481 mStatusBarKeyguardViewManager.updateUserActivityTimeout(); 482 } 483 484 @Override 485 public void keyguardDonePending() { 486 mKeyguardDonePending = true; 487 mHideAnimationRun = true; 488 mStatusBarKeyguardViewManager.startPreHideAnimation(null /* finishRunnable */); 489 mHandler.sendEmptyMessageDelayed(KEYGUARD_DONE_PENDING_TIMEOUT, 490 KEYGUARD_DONE_PENDING_TIMEOUT_MS); 491 } 492 493 @Override 494 public void keyguardGone() { 495 mKeyguardDisplayManager.hide(); 496 } 497 498 @Override 499 public void readyForKeyguardDone() { 500 if (mKeyguardDonePending) { 501 // Somebody has called keyguardDonePending before, which means that we are 502 // authenticated 503 KeyguardViewMediator.this.keyguardDone(true /* authenticated */, true /* wakeUp */); 504 } 505 } 506 507 @Override 508 public void playTrustedSound() { 509 KeyguardViewMediator.this.playTrustedSound(); 510 } 511 512 @Override 513 public boolean isInputRestricted() { 514 return KeyguardViewMediator.this.isInputRestricted(); 515 } 516 }; 517 518 public void userActivity() { 519 mPM.userActivity(SystemClock.uptimeMillis(), false); 520 } 521 522 private void setupLocked() { 523 mPM = (PowerManager) mContext.getSystemService(Context.POWER_SERVICE); 524 mWM = WindowManagerGlobal.getWindowManagerService(); 525 mTrustManager = (TrustManager) mContext.getSystemService(Context.TRUST_SERVICE); 526 527 mShowKeyguardWakeLock = mPM.newWakeLock(PowerManager.PARTIAL_WAKE_LOCK, "show keyguard"); 528 mShowKeyguardWakeLock.setReferenceCounted(false); 529 530 mContext.registerReceiver(mBroadcastReceiver, new IntentFilter(DELAYED_KEYGUARD_ACTION)); 531 532 mKeyguardDisplayManager = new KeyguardDisplayManager(mContext); 533 534 mAlarmManager = (AlarmManager) mContext.getSystemService(Context.ALARM_SERVICE); 535 536 mUpdateMonitor = KeyguardUpdateMonitor.getInstance(mContext); 537 538 mLockPatternUtils = new LockPatternUtils(mContext); 539 mLockPatternUtils.setCurrentUser(ActivityManager.getCurrentUser()); 540 541 // Assume keyguard is showing (unless it's disabled) until we know for sure... 542 setShowingLocked(!shouldWaitForProvisioning() && !mLockPatternUtils.isLockScreenDisabled()); 543 mTrustManager.reportKeyguardShowingChanged(); 544 545 mStatusBarKeyguardViewManager = new StatusBarKeyguardViewManager(mContext, 546 mViewMediatorCallback, mLockPatternUtils); 547 final ContentResolver cr = mContext.getContentResolver(); 548 549 mScreenOn = mPM.isScreenOn(); 550 551 mLockSounds = new SoundPool(1, AudioManager.STREAM_SYSTEM, 0); 552 String soundPath = Settings.Global.getString(cr, Settings.Global.LOCK_SOUND); 553 if (soundPath != null) { 554 mLockSoundId = mLockSounds.load(soundPath, 1); 555 } 556 if (soundPath == null || mLockSoundId == 0) { 557 Log.w(TAG, "failed to load lock sound from " + soundPath); 558 } 559 soundPath = Settings.Global.getString(cr, Settings.Global.UNLOCK_SOUND); 560 if (soundPath != null) { 561 mUnlockSoundId = mLockSounds.load(soundPath, 1); 562 } 563 if (soundPath == null || mUnlockSoundId == 0) { 564 Log.w(TAG, "failed to load unlock sound from " + soundPath); 565 } 566 soundPath = Settings.Global.getString(cr, Settings.Global.TRUSTED_SOUND); 567 if (soundPath != null) { 568 mTrustedSoundId = mLockSounds.load(soundPath, 1); 569 } 570 if (soundPath == null || mTrustedSoundId == 0) { 571 Log.w(TAG, "failed to load trusted sound from " + soundPath); 572 } 573 574 int lockSoundDefaultAttenuation = mContext.getResources().getInteger( 575 com.android.internal.R.integer.config_lockSoundVolumeDb); 576 mLockSoundVolume = (float)Math.pow(10, (float)lockSoundDefaultAttenuation/20); 577 578 mHideAnimation = AnimationUtils.loadAnimation(mContext, 579 com.android.internal.R.anim.lock_screen_behind_enter); 580 } 581 582 @Override 583 public void start() { 584 synchronized (this) { 585 setupLocked(); 586 } 587 putComponent(KeyguardViewMediator.class, this); 588 } 589 590 /** 591 * Let us know that the system is ready after startup. 592 */ 593 public void onSystemReady() { 594 mSearchManager = (SearchManager) mContext.getSystemService(Context.SEARCH_SERVICE); 595 synchronized (this) { 596 if (DEBUG) Log.d(TAG, "onSystemReady"); 597 mSystemReady = true; 598 mUpdateMonitor.registerCallback(mUpdateCallback); 599 600 // Suppress biometric unlock right after boot until things have settled if it is the 601 // selected security method, otherwise unsuppress it. It must be unsuppressed if it is 602 // not the selected security method for the following reason: if the user starts 603 // without a screen lock selected, the biometric unlock would be suppressed the first 604 // time they try to use it. 605 // 606 // Note that the biometric unlock will still not show if it is not the selected method. 607 // Calling setAlternateUnlockEnabled(true) simply says don't suppress it if it is the 608 // selected method. 609 if (mLockPatternUtils.usingBiometricWeak() 610 && mLockPatternUtils.isBiometricWeakInstalled()) { 611 if (DEBUG) Log.d(TAG, "suppressing biometric unlock during boot"); 612 mUpdateMonitor.setAlternateUnlockEnabled(false); 613 } else { 614 mUpdateMonitor.setAlternateUnlockEnabled(true); 615 } 616 617 doKeyguardLocked(null); 618 } 619 // Most services aren't available until the system reaches the ready state, so we 620 // send it here when the device first boots. 621 maybeSendUserPresentBroadcast(); 622 } 623 624 /** 625 * Called to let us know the screen was turned off. 626 * @param why either {@link android.view.WindowManagerPolicy#OFF_BECAUSE_OF_USER} or 627 * {@link android.view.WindowManagerPolicy#OFF_BECAUSE_OF_TIMEOUT}. 628 */ 629 public void onScreenTurnedOff(int why) { 630 synchronized (this) { 631 mScreenOn = false; 632 if (DEBUG) Log.d(TAG, "onScreenTurnedOff(" + why + ")"); 633 634 resetKeyguardDonePendingLocked(); 635 mHideAnimationRun = false; 636 637 // Lock immediately based on setting if secure (user has a pin/pattern/password). 638 // This also "locks" the device when not secure to provide easy access to the 639 // camera while preventing unwanted input. 640 final boolean lockImmediately = 641 mLockPatternUtils.getPowerButtonInstantlyLocks() || !mLockPatternUtils.isSecure(); 642 643 notifyScreenOffLocked(); 644 645 if (mExitSecureCallback != null) { 646 if (DEBUG) Log.d(TAG, "pending exit secure callback cancelled"); 647 try { 648 mExitSecureCallback.onKeyguardExitResult(false); 649 } catch (RemoteException e) { 650 Slog.w(TAG, "Failed to call onKeyguardExitResult(false)", e); 651 } 652 mExitSecureCallback = null; 653 if (!mExternallyEnabled) { 654 hideLocked(); 655 } 656 } else if (mShowing) { 657 resetStateLocked(); 658 } else if (why == WindowManagerPolicy.OFF_BECAUSE_OF_TIMEOUT 659 || (why == WindowManagerPolicy.OFF_BECAUSE_OF_USER && !lockImmediately)) { 660 doKeyguardLaterLocked(); 661 } else { 662 doKeyguardLocked(null); 663 } 664 } 665 KeyguardUpdateMonitor.getInstance(mContext).dispatchScreenTurndOff(why); 666 } 667 668 private void doKeyguardLaterLocked() { 669 // if the screen turned off because of timeout or the user hit the power button 670 // and we don't need to lock immediately, set an alarm 671 // to enable it a little bit later (i.e, give the user a chance 672 // to turn the screen back on within a certain window without 673 // having to unlock the screen) 674 final ContentResolver cr = mContext.getContentResolver(); 675 676 // From DisplaySettings 677 long displayTimeout = Settings.System.getInt(cr, SCREEN_OFF_TIMEOUT, 678 KEYGUARD_DISPLAY_TIMEOUT_DELAY_DEFAULT); 679 680 // From SecuritySettings 681 final long lockAfterTimeout = Settings.Secure.getInt(cr, 682 Settings.Secure.LOCK_SCREEN_LOCK_AFTER_TIMEOUT, 683 KEYGUARD_LOCK_AFTER_DELAY_DEFAULT); 684 685 // From DevicePolicyAdmin 686 final long policyTimeout = mLockPatternUtils.getDevicePolicyManager() 687 .getMaximumTimeToLock(null, mLockPatternUtils.getCurrentUser()); 688 689 long timeout; 690 if (policyTimeout > 0) { 691 // policy in effect. Make sure we don't go beyond policy limit. 692 displayTimeout = Math.max(displayTimeout, 0); // ignore negative values 693 timeout = Math.min(policyTimeout - displayTimeout, lockAfterTimeout); 694 } else { 695 timeout = lockAfterTimeout; 696 } 697 698 if (timeout <= 0) { 699 // Lock now 700 mSuppressNextLockSound = true; 701 doKeyguardLocked(null); 702 } else { 703 // Lock in the future 704 long when = SystemClock.elapsedRealtime() + timeout; 705 Intent intent = new Intent(DELAYED_KEYGUARD_ACTION); 706 intent.putExtra("seq", mDelayedShowingSequence); 707 PendingIntent sender = PendingIntent.getBroadcast(mContext, 708 0, intent, PendingIntent.FLAG_CANCEL_CURRENT); 709 mAlarmManager.set(AlarmManager.ELAPSED_REALTIME_WAKEUP, when, sender); 710 if (DEBUG) Log.d(TAG, "setting alarm to turn off keyguard, seq = " 711 + mDelayedShowingSequence); 712 } 713 } 714 715 private void cancelDoKeyguardLaterLocked() { 716 mDelayedShowingSequence++; 717 } 718 719 /** 720 * Let's us know the screen was turned on. 721 */ 722 public void onScreenTurnedOn(IKeyguardShowCallback callback) { 723 synchronized (this) { 724 mScreenOn = true; 725 cancelDoKeyguardLaterLocked(); 726 if (DEBUG) Log.d(TAG, "onScreenTurnedOn, seq = " + mDelayedShowingSequence); 727 if (callback != null) { 728 notifyScreenOnLocked(callback); 729 } 730 } 731 KeyguardUpdateMonitor.getInstance(mContext).dispatchScreenTurnedOn(); 732 maybeSendUserPresentBroadcast(); 733 } 734 735 private void maybeSendUserPresentBroadcast() { 736 if (mSystemReady && mLockPatternUtils.isLockScreenDisabled()) { 737 // Lock screen is disabled because the user has set the preference to "None". 738 // In this case, send out ACTION_USER_PRESENT here instead of in 739 // handleKeyguardDone() 740 sendUserPresentBroadcast(); 741 } 742 } 743 744 /** 745 * A dream started. We should lock after the usual screen-off lock timeout but only 746 * if there is a secure lock pattern. 747 */ 748 public void onDreamingStarted() { 749 synchronized (this) { 750 if (mScreenOn && mLockPatternUtils.isSecure()) { 751 doKeyguardLaterLocked(); 752 } 753 } 754 } 755 756 /** 757 * A dream stopped. 758 */ 759 public void onDreamingStopped() { 760 synchronized (this) { 761 if (mScreenOn) { 762 cancelDoKeyguardLaterLocked(); 763 } 764 } 765 } 766 767 /** 768 * Same semantics as {@link android.view.WindowManagerPolicy#enableKeyguard}; provide 769 * a way for external stuff to override normal keyguard behavior. For instance 770 * the phone app disables the keyguard when it receives incoming calls. 771 */ 772 public void setKeyguardEnabled(boolean enabled) { 773 synchronized (this) { 774 if (DEBUG) Log.d(TAG, "setKeyguardEnabled(" + enabled + ")"); 775 776 mExternallyEnabled = enabled; 777 778 if (!enabled && mShowing) { 779 if (mExitSecureCallback != null) { 780 if (DEBUG) Log.d(TAG, "in process of verifyUnlock request, ignoring"); 781 // we're in the process of handling a request to verify the user 782 // can get past the keyguard. ignore extraneous requests to disable / reenable 783 return; 784 } 785 786 // hiding keyguard that is showing, remember to reshow later 787 if (DEBUG) Log.d(TAG, "remembering to reshow, hiding keyguard, " 788 + "disabling status bar expansion"); 789 mNeedToReshowWhenReenabled = true; 790 updateInputRestrictedLocked(); 791 hideLocked(); 792 } else if (enabled && mNeedToReshowWhenReenabled) { 793 // reenabled after previously hidden, reshow 794 if (DEBUG) Log.d(TAG, "previously hidden, reshowing, reenabling " 795 + "status bar expansion"); 796 mNeedToReshowWhenReenabled = false; 797 updateInputRestrictedLocked(); 798 799 if (mExitSecureCallback != null) { 800 if (DEBUG) Log.d(TAG, "onKeyguardExitResult(false), resetting"); 801 try { 802 mExitSecureCallback.onKeyguardExitResult(false); 803 } catch (RemoteException e) { 804 Slog.w(TAG, "Failed to call onKeyguardExitResult(false)", e); 805 } 806 mExitSecureCallback = null; 807 resetStateLocked(); 808 } else { 809 showLocked(null); 810 811 // block until we know the keygaurd is done drawing (and post a message 812 // to unblock us after a timeout so we don't risk blocking too long 813 // and causing an ANR). 814 mWaitingUntilKeyguardVisible = true; 815 mHandler.sendEmptyMessageDelayed(KEYGUARD_DONE_DRAWING, KEYGUARD_DONE_DRAWING_TIMEOUT_MS); 816 if (DEBUG) Log.d(TAG, "waiting until mWaitingUntilKeyguardVisible is false"); 817 while (mWaitingUntilKeyguardVisible) { 818 try { 819 wait(); 820 } catch (InterruptedException e) { 821 Thread.currentThread().interrupt(); 822 } 823 } 824 if (DEBUG) Log.d(TAG, "done waiting for mWaitingUntilKeyguardVisible"); 825 } 826 } 827 } 828 } 829 830 /** 831 * @see android.app.KeyguardManager#exitKeyguardSecurely 832 */ 833 public void verifyUnlock(IKeyguardExitCallback callback) { 834 synchronized (this) { 835 if (DEBUG) Log.d(TAG, "verifyUnlock"); 836 if (shouldWaitForProvisioning()) { 837 // don't allow this api when the device isn't provisioned 838 if (DEBUG) Log.d(TAG, "ignoring because device isn't provisioned"); 839 try { 840 callback.onKeyguardExitResult(false); 841 } catch (RemoteException e) { 842 Slog.w(TAG, "Failed to call onKeyguardExitResult(false)", e); 843 } 844 } else if (mExternallyEnabled) { 845 // this only applies when the user has externally disabled the 846 // keyguard. this is unexpected and means the user is not 847 // using the api properly. 848 Log.w(TAG, "verifyUnlock called when not externally disabled"); 849 try { 850 callback.onKeyguardExitResult(false); 851 } catch (RemoteException e) { 852 Slog.w(TAG, "Failed to call onKeyguardExitResult(false)", e); 853 } 854 } else if (mExitSecureCallback != null) { 855 // already in progress with someone else 856 try { 857 callback.onKeyguardExitResult(false); 858 } catch (RemoteException e) { 859 Slog.w(TAG, "Failed to call onKeyguardExitResult(false)", e); 860 } 861 } else { 862 mExitSecureCallback = callback; 863 verifyUnlockLocked(); 864 } 865 } 866 } 867 868 /** 869 * Is the keyguard currently showing and not being force hidden? 870 */ 871 public boolean isShowingAndNotOccluded() { 872 return mShowing && !mOccluded; 873 } 874 875 /** 876 * Notify us when the keyguard is occluded by another window 877 */ 878 public void setOccluded(boolean isOccluded) { 879 if (DEBUG) Log.d(TAG, "setOccluded " + isOccluded); 880 mHandler.removeMessages(SET_OCCLUDED); 881 Message msg = mHandler.obtainMessage(SET_OCCLUDED, (isOccluded ? 1 : 0), 0); 882 mHandler.sendMessage(msg); 883 } 884 885 /** 886 * Handles SET_OCCLUDED message sent by setOccluded() 887 */ 888 private void handleSetOccluded(boolean isOccluded) { 889 synchronized (KeyguardViewMediator.this) { 890 if (mOccluded != isOccluded) { 891 mOccluded = isOccluded; 892 mStatusBarKeyguardViewManager.setOccluded(isOccluded); 893 updateActivityLockScreenState(); 894 adjustStatusBarLocked(); 895 } 896 } 897 } 898 899 /** 900 * Used by PhoneWindowManager to enable the keyguard due to a user activity timeout. 901 * This must be safe to call from any thread and with any window manager locks held. 902 */ 903 public void doKeyguardTimeout(Bundle options) { 904 mHandler.removeMessages(KEYGUARD_TIMEOUT); 905 Message msg = mHandler.obtainMessage(KEYGUARD_TIMEOUT, options); 906 mHandler.sendMessage(msg); 907 } 908 909 /** 910 * Given the state of the keyguard, is the input restricted? 911 * Input is restricted when the keyguard is showing, or when the keyguard 912 * was suppressed by an app that disabled the keyguard or we haven't been provisioned yet. 913 */ 914 public boolean isInputRestricted() { 915 return mShowing || mNeedToReshowWhenReenabled || shouldWaitForProvisioning(); 916 } 917 918 private void updateInputRestricted() { 919 synchronized (this) { 920 updateInputRestrictedLocked(); 921 } 922 } 923 private void updateInputRestrictedLocked() { 924 boolean inputRestricted = isInputRestricted(); 925 if (mInputRestricted != inputRestricted) { 926 mInputRestricted = inputRestricted; 927 try { 928 int size = mKeyguardStateCallbacks.size(); 929 for (int i = 0; i < size; i++) { 930 mKeyguardStateCallbacks.get(i).onInputRestrictedStateChanged(inputRestricted); 931 } 932 } catch (RemoteException e) { 933 Slog.w(TAG, "Failed to call onDeviceProvisioned", e); 934 } 935 } 936 } 937 938 /** 939 * Enable the keyguard if the settings are appropriate. 940 */ 941 private void doKeyguardLocked(Bundle options) { 942 // if another app is disabling us, don't show 943 if (!mExternallyEnabled) { 944 if (DEBUG) Log.d(TAG, "doKeyguard: not showing because externally disabled"); 945 946 // note: we *should* set mNeedToReshowWhenReenabled=true here, but that makes 947 // for an occasional ugly flicker in this situation: 948 // 1) receive a call with the screen on (no keyguard) or make a call 949 // 2) screen times out 950 // 3) user hits key to turn screen back on 951 // instead, we reenable the keyguard when we know the screen is off and the call 952 // ends (see the broadcast receiver below) 953 // TODO: clean this up when we have better support at the window manager level 954 // for apps that wish to be on top of the keyguard 955 return; 956 } 957 958 // if the keyguard is already showing, don't bother 959 if (mStatusBarKeyguardViewManager.isShowing()) { 960 if (DEBUG) Log.d(TAG, "doKeyguard: not showing because it is already showing"); 961 resetStateLocked(); 962 return; 963 } 964 965 // if the setup wizard hasn't run yet, don't show 966 final boolean requireSim = !SystemProperties.getBoolean("keyguard.no_require_sim", false); 967 final boolean absent = SubscriptionManager.isValidSubscriptionId( 968 mUpdateMonitor.getNextSubIdForState(IccCardConstants.State.ABSENT)); 969 final boolean disabled = SubscriptionManager.isValidSubscriptionId( 970 mUpdateMonitor.getNextSubIdForState(IccCardConstants.State.PERM_DISABLED)); 971 final boolean lockedOrMissing = mUpdateMonitor.isSimPinSecure() 972 || ((absent || disabled) && requireSim); 973 974 if (!lockedOrMissing && shouldWaitForProvisioning()) { 975 if (DEBUG) Log.d(TAG, "doKeyguard: not showing because device isn't provisioned" 976 + " and the sim is not locked or missing"); 977 return; 978 } 979 980 if (mLockPatternUtils.isLockScreenDisabled() && !lockedOrMissing) { 981 if (DEBUG) Log.d(TAG, "doKeyguard: not showing because lockscreen is off"); 982 return; 983 } 984 985 if (mLockPatternUtils.checkVoldPassword()) { 986 if (DEBUG) Log.d(TAG, "Not showing lock screen since just decrypted"); 987 // Without this, settings is not enabled until the lock screen first appears 988 setShowingLocked(false); 989 hideLocked(); 990 return; 991 } 992 993 if (DEBUG) Log.d(TAG, "doKeyguard: showing the lock screen"); 994 showLocked(options); 995 } 996 997 private boolean shouldWaitForProvisioning() { 998 return !mUpdateMonitor.isDeviceProvisioned() && !isSecure(); 999 } 1000 1001 /** 1002 * Dismiss the keyguard through the security layers. 1003 */ 1004 public void handleDismiss() { 1005 if (mShowing && !mOccluded) { 1006 mStatusBarKeyguardViewManager.dismiss(); 1007 } 1008 } 1009 1010 public void dismiss() { 1011 mHandler.sendEmptyMessage(DISMISS); 1012 } 1013 1014 /** 1015 * Send message to keyguard telling it to reset its state. 1016 * @see #handleReset 1017 */ 1018 private void resetStateLocked() { 1019 if (DEBUG) Log.e(TAG, "resetStateLocked"); 1020 Message msg = mHandler.obtainMessage(RESET); 1021 mHandler.sendMessage(msg); 1022 } 1023 1024 /** 1025 * Send message to keyguard telling it to verify unlock 1026 * @see #handleVerifyUnlock() 1027 */ 1028 private void verifyUnlockLocked() { 1029 if (DEBUG) Log.d(TAG, "verifyUnlockLocked"); 1030 mHandler.sendEmptyMessage(VERIFY_UNLOCK); 1031 } 1032 1033 1034 /** 1035 * Send a message to keyguard telling it the screen just turned on. 1036 * @see #onScreenTurnedOff(int) 1037 * @see #handleNotifyScreenOff 1038 */ 1039 private void notifyScreenOffLocked() { 1040 if (DEBUG) Log.d(TAG, "notifyScreenOffLocked"); 1041 mHandler.sendEmptyMessage(NOTIFY_SCREEN_OFF); 1042 } 1043 1044 /** 1045 * Send a message to keyguard telling it the screen just turned on. 1046 * @see #onScreenTurnedOn 1047 * @see #handleNotifyScreenOn 1048 */ 1049 private void notifyScreenOnLocked(IKeyguardShowCallback result) { 1050 if (DEBUG) Log.d(TAG, "notifyScreenOnLocked"); 1051 Message msg = mHandler.obtainMessage(NOTIFY_SCREEN_ON, result); 1052 mHandler.sendMessage(msg); 1053 } 1054 1055 /** 1056 * Send message to keyguard telling it to show itself 1057 * @see #handleShow 1058 */ 1059 private void showLocked(Bundle options) { 1060 if (DEBUG) Log.d(TAG, "showLocked"); 1061 // ensure we stay awake until we are finished displaying the keyguard 1062 mShowKeyguardWakeLock.acquire(); 1063 Message msg = mHandler.obtainMessage(SHOW, options); 1064 mHandler.sendMessage(msg); 1065 } 1066 1067 /** 1068 * Send message to keyguard telling it to hide itself 1069 * @see #handleHide() 1070 */ 1071 private void hideLocked() { 1072 if (DEBUG) Log.d(TAG, "hideLocked"); 1073 Message msg = mHandler.obtainMessage(HIDE); 1074 mHandler.sendMessage(msg); 1075 } 1076 1077 public boolean isSecure() { 1078 return mLockPatternUtils.isSecure() 1079 || KeyguardUpdateMonitor.getInstance(mContext).isSimPinSecure(); 1080 } 1081 1082 /** 1083 * Update the newUserId. Call while holding WindowManagerService lock. 1084 * NOTE: Should only be called by KeyguardViewMediator in response to the user id changing. 1085 * 1086 * @param newUserId The id of the incoming user. 1087 */ 1088 public void setCurrentUser(int newUserId) { 1089 mLockPatternUtils.setCurrentUser(newUserId); 1090 } 1091 1092 private final BroadcastReceiver mBroadcastReceiver = new BroadcastReceiver() { 1093 @Override 1094 public void onReceive(Context context, Intent intent) { 1095 if (DELAYED_KEYGUARD_ACTION.equals(intent.getAction())) { 1096 final int sequence = intent.getIntExtra("seq", 0); 1097 if (DEBUG) Log.d(TAG, "received DELAYED_KEYGUARD_ACTION with seq = " 1098 + sequence + ", mDelayedShowingSequence = " + mDelayedShowingSequence); 1099 synchronized (KeyguardViewMediator.this) { 1100 if (mDelayedShowingSequence == sequence) { 1101 // Don't play lockscreen SFX if the screen went off due to timeout. 1102 mSuppressNextLockSound = true; 1103 doKeyguardLocked(null); 1104 } 1105 } 1106 } 1107 } 1108 }; 1109 1110 public void keyguardDone(boolean authenticated, boolean wakeup) { 1111 if (DEBUG) Log.d(TAG, "keyguardDone(" + authenticated + ")"); 1112 EventLog.writeEvent(70000, 2); 1113 Message msg = mHandler.obtainMessage(KEYGUARD_DONE, authenticated ? 1 : 0, wakeup ? 1 : 0); 1114 mHandler.sendMessage(msg); 1115 } 1116 1117 /** 1118 * This handler will be associated with the policy thread, which will also 1119 * be the UI thread of the keyguard. Since the apis of the policy, and therefore 1120 * this class, can be called by other threads, any action that directly 1121 * interacts with the keyguard ui should be posted to this handler, rather 1122 * than called directly. 1123 */ 1124 private Handler mHandler = new Handler(Looper.myLooper(), null, true /*async*/) { 1125 @Override 1126 public void handleMessage(Message msg) { 1127 switch (msg.what) { 1128 case SHOW: 1129 handleShow((Bundle) msg.obj); 1130 break; 1131 case HIDE: 1132 handleHide(); 1133 break; 1134 case RESET: 1135 handleReset(); 1136 break; 1137 case VERIFY_UNLOCK: 1138 handleVerifyUnlock(); 1139 break; 1140 case NOTIFY_SCREEN_OFF: 1141 handleNotifyScreenOff(); 1142 break; 1143 case NOTIFY_SCREEN_ON: 1144 handleNotifyScreenOn((IKeyguardShowCallback) msg.obj); 1145 break; 1146 case KEYGUARD_DONE: 1147 handleKeyguardDone(msg.arg1 != 0, msg.arg2 != 0); 1148 break; 1149 case KEYGUARD_DONE_DRAWING: 1150 handleKeyguardDoneDrawing(); 1151 break; 1152 case KEYGUARD_DONE_AUTHENTICATING: 1153 keyguardDone(true, true); 1154 break; 1155 case SET_OCCLUDED: 1156 handleSetOccluded(msg.arg1 != 0); 1157 break; 1158 case KEYGUARD_TIMEOUT: 1159 synchronized (KeyguardViewMediator.this) { 1160 doKeyguardLocked((Bundle) msg.obj); 1161 } 1162 break; 1163 case DISMISS: 1164 handleDismiss(); 1165 break; 1166 case START_KEYGUARD_EXIT_ANIM: 1167 StartKeyguardExitAnimParams params = (StartKeyguardExitAnimParams) msg.obj; 1168 handleStartKeyguardExitAnimation(params.startTime, params.fadeoutDuration); 1169 break; 1170 case KEYGUARD_DONE_PENDING_TIMEOUT: 1171 Log.w(TAG, "Timeout while waiting for activity drawn!"); 1172 // Fall through. 1173 case ON_ACTIVITY_DRAWN: 1174 handleOnActivityDrawn(); 1175 break; 1176 } 1177 } 1178 }; 1179 1180 /** 1181 * @see #keyguardDone 1182 * @see #KEYGUARD_DONE 1183 */ 1184 private void handleKeyguardDone(boolean authenticated, boolean wakeup) { 1185 if (DEBUG) Log.d(TAG, "handleKeyguardDone"); 1186 synchronized (this) { 1187 resetKeyguardDonePendingLocked(); 1188 } 1189 1190 if (authenticated) { 1191 mUpdateMonitor.clearFailedUnlockAttempts(); 1192 } 1193 mUpdateMonitor.clearFingerprintRecognized(); 1194 1195 if (mExitSecureCallback != null) { 1196 try { 1197 mExitSecureCallback.onKeyguardExitResult(authenticated); 1198 } catch (RemoteException e) { 1199 Slog.w(TAG, "Failed to call onKeyguardExitResult(" + authenticated + ")", e); 1200 } 1201 1202 mExitSecureCallback = null; 1203 1204 if (authenticated) { 1205 // after succesfully exiting securely, no need to reshow 1206 // the keyguard when they've released the lock 1207 mExternallyEnabled = true; 1208 mNeedToReshowWhenReenabled = false; 1209 updateInputRestricted(); 1210 } 1211 } 1212 1213 handleHide(); 1214 } 1215 1216 private void sendUserPresentBroadcast() { 1217 synchronized (this) { 1218 if (mBootCompleted) { 1219 final UserHandle currentUser = new UserHandle(mLockPatternUtils.getCurrentUser()); 1220 final UserManager um = (UserManager) mContext.getSystemService( 1221 Context.USER_SERVICE); 1222 List <UserInfo> userHandles = um.getProfiles(currentUser.getIdentifier()); 1223 for (UserInfo ui : userHandles) { 1224 mContext.sendBroadcastAsUser(USER_PRESENT_INTENT, ui.getUserHandle()); 1225 } 1226 } else { 1227 mBootSendUserPresent = true; 1228 } 1229 } 1230 } 1231 1232 /** 1233 * @see #keyguardDone 1234 * @see #KEYGUARD_DONE_DRAWING 1235 */ 1236 private void handleKeyguardDoneDrawing() { 1237 synchronized(this) { 1238 if (DEBUG) Log.d(TAG, "handleKeyguardDoneDrawing"); 1239 if (mWaitingUntilKeyguardVisible) { 1240 if (DEBUG) Log.d(TAG, "handleKeyguardDoneDrawing: notifying mWaitingUntilKeyguardVisible"); 1241 mWaitingUntilKeyguardVisible = false; 1242 notifyAll(); 1243 1244 // there will usually be two of these sent, one as a timeout, and one 1245 // as a result of the callback, so remove any remaining messages from 1246 // the queue 1247 mHandler.removeMessages(KEYGUARD_DONE_DRAWING); 1248 } 1249 } 1250 } 1251 1252 private void playSounds(boolean locked) { 1253 // User feedback for keyguard. 1254 1255 if (mSuppressNextLockSound) { 1256 mSuppressNextLockSound = false; 1257 return; 1258 } 1259 1260 playSound(locked ? mLockSoundId : mUnlockSoundId); 1261 } 1262 1263 private void playSound(int soundId) { 1264 if (soundId == 0) return; 1265 final ContentResolver cr = mContext.getContentResolver(); 1266 if (Settings.System.getInt(cr, Settings.System.LOCKSCREEN_SOUNDS_ENABLED, 1) == 1) { 1267 1268 mLockSounds.stop(mLockSoundStreamId); 1269 // Init mAudioManager 1270 if (mAudioManager == null) { 1271 mAudioManager = (AudioManager) mContext.getSystemService(Context.AUDIO_SERVICE); 1272 if (mAudioManager == null) return; 1273 mMasterStreamType = mAudioManager.getMasterStreamType(); 1274 } 1275 // If the stream is muted, don't play the sound 1276 if (mAudioManager.isStreamMute(mMasterStreamType)) return; 1277 1278 mLockSoundStreamId = mLockSounds.play(soundId, 1279 mLockSoundVolume, mLockSoundVolume, 1/*priortiy*/, 0/*loop*/, 1.0f/*rate*/); 1280 } 1281 } 1282 1283 private void playTrustedSound() { 1284 if (mSuppressNextLockSound) { 1285 return; 1286 } 1287 playSound(mTrustedSoundId); 1288 } 1289 1290 private void updateActivityLockScreenState() { 1291 try { 1292 ActivityManagerNative.getDefault().setLockScreenShown(mShowing && !mOccluded); 1293 } catch (RemoteException e) { 1294 } 1295 } 1296 1297 /** 1298 * Handle message sent by {@link #showLocked}. 1299 * @see #SHOW 1300 */ 1301 private void handleShow(Bundle options) { 1302 synchronized (KeyguardViewMediator.this) { 1303 if (!mSystemReady) { 1304 if (DEBUG) Log.d(TAG, "ignoring handleShow because system is not ready."); 1305 return; 1306 } else { 1307 if (DEBUG) Log.d(TAG, "handleShow"); 1308 } 1309 1310 setShowingLocked(true); 1311 mStatusBarKeyguardViewManager.show(options); 1312 mHiding = false; 1313 resetKeyguardDonePendingLocked(); 1314 mHideAnimationRun = false; 1315 updateActivityLockScreenState(); 1316 adjustStatusBarLocked(); 1317 userActivity(); 1318 1319 // Do this at the end to not slow down display of the keyguard. 1320 playSounds(true); 1321 1322 mShowKeyguardWakeLock.release(); 1323 } 1324 mKeyguardDisplayManager.show(); 1325 } 1326 1327 private final Runnable mKeyguardGoingAwayRunnable = new Runnable() { 1328 @Override 1329 public void run() { 1330 try { 1331 // Don't actually hide the Keyguard at the moment, wait for window 1332 // manager until it tells us it's safe to do so with 1333 // startKeyguardExitAnimation. 1334 mWM.keyguardGoingAway( 1335 mStatusBarKeyguardViewManager.shouldDisableWindowAnimationsForUnlock(), 1336 mStatusBarKeyguardViewManager.isGoingToNotificationShade()); 1337 } catch (RemoteException e) { 1338 Log.e(TAG, "Error while calling WindowManager", e); 1339 } 1340 } 1341 }; 1342 1343 /** 1344 * Handle message sent by {@link #hideLocked()} 1345 * @see #HIDE 1346 */ 1347 private void handleHide() { 1348 synchronized (KeyguardViewMediator.this) { 1349 if (DEBUG) Log.d(TAG, "handleHide"); 1350 1351 mHiding = true; 1352 if (mShowing && !mOccluded) { 1353 if (!mHideAnimationRun) { 1354 mStatusBarKeyguardViewManager.startPreHideAnimation(mKeyguardGoingAwayRunnable); 1355 } else { 1356 mKeyguardGoingAwayRunnable.run(); 1357 } 1358 } else { 1359 1360 // Don't try to rely on WindowManager - if Keyguard wasn't showing, window 1361 // manager won't start the exit animation. 1362 handleStartKeyguardExitAnimation( 1363 SystemClock.uptimeMillis() + mHideAnimation.getStartOffset(), 1364 mHideAnimation.getDuration()); 1365 } 1366 } 1367 } 1368 1369 private void handleOnActivityDrawn() { 1370 if (DEBUG) Log.d(TAG, "handleOnActivityDrawn: mKeyguardDonePending=" + mKeyguardDonePending); 1371 if (mKeyguardDonePending) { 1372 mStatusBarKeyguardViewManager.onActivityDrawn(); 1373 } 1374 } 1375 1376 private void handleStartKeyguardExitAnimation(long startTime, long fadeoutDuration) { 1377 synchronized (KeyguardViewMediator.this) { 1378 1379 if (!mHiding) { 1380 return; 1381 } 1382 mHiding = false; 1383 1384 // only play "unlock" noises if not on a call (since the incall UI 1385 // disables the keyguard) 1386 if (TelephonyManager.EXTRA_STATE_IDLE.equals(mPhoneState)) { 1387 playSounds(false); 1388 } 1389 1390 setShowingLocked(false); 1391 mStatusBarKeyguardViewManager.hide(startTime, fadeoutDuration); 1392 resetKeyguardDonePendingLocked(); 1393 mHideAnimationRun = false; 1394 updateActivityLockScreenState(); 1395 adjustStatusBarLocked(); 1396 sendUserPresentBroadcast(); 1397 } 1398 } 1399 1400 private void adjustStatusBarLocked() { 1401 if (mStatusBarManager == null) { 1402 mStatusBarManager = (StatusBarManager) 1403 mContext.getSystemService(Context.STATUS_BAR_SERVICE); 1404 } 1405 if (mStatusBarManager == null) { 1406 Log.w(TAG, "Could not get status bar manager"); 1407 } else { 1408 // Disable aspects of the system/status/navigation bars that must not be re-enabled by 1409 // windows that appear on top, ever 1410 int flags = StatusBarManager.DISABLE_NONE; 1411 if (mShowing) { 1412 // Permanently disable components not available when keyguard is enabled 1413 // (like recents). Temporary enable/disable (e.g. the "back" button) are 1414 // done in KeyguardHostView. 1415 flags |= StatusBarManager.DISABLE_RECENT; 1416 flags |= StatusBarManager.DISABLE_SEARCH; 1417 } 1418 if (isShowingAndNotOccluded()) { 1419 flags |= StatusBarManager.DISABLE_HOME; 1420 } 1421 1422 if (DEBUG) { 1423 Log.d(TAG, "adjustStatusBarLocked: mShowing=" + mShowing + " mOccluded=" + mOccluded 1424 + " isSecure=" + isSecure() + " --> flags=0x" + Integer.toHexString(flags)); 1425 } 1426 1427 if (!(mContext instanceof Activity)) { 1428 mStatusBarManager.disable(flags); 1429 } 1430 } 1431 } 1432 1433 /** 1434 * Handle message sent by {@link #resetStateLocked} 1435 * @see #RESET 1436 */ 1437 private void handleReset() { 1438 synchronized (KeyguardViewMediator.this) { 1439 if (DEBUG) Log.d(TAG, "handleReset"); 1440 mStatusBarKeyguardViewManager.reset(); 1441 } 1442 } 1443 1444 /** 1445 * Handle message sent by {@link #verifyUnlock} 1446 * @see #VERIFY_UNLOCK 1447 */ 1448 private void handleVerifyUnlock() { 1449 synchronized (KeyguardViewMediator.this) { 1450 if (DEBUG) Log.d(TAG, "handleVerifyUnlock"); 1451 setShowingLocked(true); 1452 mStatusBarKeyguardViewManager.verifyUnlock(); 1453 updateActivityLockScreenState(); 1454 } 1455 } 1456 1457 /** 1458 * Handle message sent by {@link #notifyScreenOffLocked()} 1459 * @see #NOTIFY_SCREEN_OFF 1460 */ 1461 private void handleNotifyScreenOff() { 1462 synchronized (KeyguardViewMediator.this) { 1463 if (DEBUG) Log.d(TAG, "handleNotifyScreenOff"); 1464 mStatusBarKeyguardViewManager.onScreenTurnedOff(); 1465 } 1466 } 1467 1468 /** 1469 * Handle message sent by {@link #notifyScreenOnLocked} 1470 * @see #NOTIFY_SCREEN_ON 1471 */ 1472 private void handleNotifyScreenOn(IKeyguardShowCallback callback) { 1473 synchronized (KeyguardViewMediator.this) { 1474 if (DEBUG) Log.d(TAG, "handleNotifyScreenOn"); 1475 mStatusBarKeyguardViewManager.onScreenTurnedOn(callback); 1476 } 1477 } 1478 1479 private void resetKeyguardDonePendingLocked() { 1480 mKeyguardDonePending = false; 1481 mHandler.removeMessages(KEYGUARD_DONE_PENDING_TIMEOUT); 1482 } 1483 1484 public void onBootCompleted() { 1485 mUpdateMonitor.dispatchBootCompleted(); 1486 synchronized (this) { 1487 mBootCompleted = true; 1488 if (mBootSendUserPresent) { 1489 sendUserPresentBroadcast(); 1490 } 1491 } 1492 } 1493 1494 public StatusBarKeyguardViewManager registerStatusBar(PhoneStatusBar phoneStatusBar, 1495 ViewGroup container, StatusBarWindowManager statusBarWindowManager, 1496 ScrimController scrimController) { 1497 mStatusBarKeyguardViewManager.registerStatusBar(phoneStatusBar, container, 1498 statusBarWindowManager, scrimController); 1499 return mStatusBarKeyguardViewManager; 1500 } 1501 1502 public void startKeyguardExitAnimation(long startTime, long fadeoutDuration) { 1503 Message msg = mHandler.obtainMessage(START_KEYGUARD_EXIT_ANIM, 1504 new StartKeyguardExitAnimParams(startTime, fadeoutDuration)); 1505 mHandler.sendMessage(msg); 1506 } 1507 1508 public void onActivityDrawn() { 1509 mHandler.sendEmptyMessage(ON_ACTIVITY_DRAWN); 1510 } 1511 public ViewMediatorCallback getViewMediatorCallback() { 1512 return mViewMediatorCallback; 1513 } 1514 1515 private static class StartKeyguardExitAnimParams { 1516 1517 long startTime; 1518 long fadeoutDuration; 1519 1520 private StartKeyguardExitAnimParams(long startTime, long fadeoutDuration) { 1521 this.startTime = startTime; 1522 this.fadeoutDuration = fadeoutDuration; 1523 } 1524 } 1525 1526 private void setShowingLocked(boolean showing) { 1527 if (showing != mShowing) { 1528 mShowing = showing; 1529 try { 1530 int size = mKeyguardStateCallbacks.size(); 1531 for (int i = 0; i < size; i++) { 1532 mKeyguardStateCallbacks.get(i).onShowingStateChanged(showing); 1533 } 1534 } catch (RemoteException e) { 1535 Slog.w(TAG, "Failed to call onShowingStateChanged", e); 1536 } 1537 updateInputRestrictedLocked(); 1538 mTrustManager.reportKeyguardShowingChanged(); 1539 } 1540 } 1541 1542 public void addStateMonitorCallback(IKeyguardStateCallback callback) { 1543 synchronized (this) { 1544 mKeyguardStateCallbacks.add(callback); 1545 try { 1546 callback.onSimSecureStateChanged(mUpdateMonitor.isSimPinSecure()); 1547 callback.onShowingStateChanged(mShowing); 1548 } catch (RemoteException e) { 1549 Slog.w(TAG, "Failed to call onShowingStateChanged or onSimSecureStateChanged", e); 1550 } 1551 } 1552 } 1553 } 1554
