KeyguardViewMediator.java revision 8d5a6e7ce3c74fb4cebc0ac388e5fcf92e04cecf
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 static android.provider.Settings.System.SCREEN_OFF_TIMEOUT; 20import static com.android.internal.widget.LockPatternUtils.StrongAuthTracker.SOME_AUTH_REQUIRED_AFTER_USER_REQUEST; 21import static com.android.internal.widget.LockPatternUtils.StrongAuthTracker.STRONG_AUTH_REQUIRED_AFTER_DPM_LOCK_NOW; 22import static com.android.internal.widget.LockPatternUtils.StrongAuthTracker.STRONG_AUTH_REQUIRED_AFTER_LOCKOUT; 23 24import android.app.Activity; 25import android.app.ActivityManager; 26import android.app.ActivityManagerNative; 27import android.app.AlarmManager; 28import android.app.PendingIntent; 29import android.app.SearchManager; 30import android.app.StatusBarManager; 31import android.app.trust.TrustManager; 32import android.content.BroadcastReceiver; 33import android.content.ContentResolver; 34import android.content.Context; 35import android.content.Intent; 36import android.content.IntentFilter; 37import android.content.pm.UserInfo; 38import android.media.AudioManager; 39import android.media.SoundPool; 40import android.os.Bundle; 41import android.os.DeadObjectException; 42import android.os.Handler; 43import android.os.Looper; 44import android.os.Message; 45import android.os.PowerManager; 46import android.os.RemoteException; 47import android.os.SystemClock; 48import android.os.SystemProperties; 49import android.os.Trace; 50import android.os.UserHandle; 51import android.os.UserManager; 52import android.os.storage.StorageManager; 53import android.provider.Settings; 54import android.telephony.SubscriptionManager; 55import android.telephony.TelephonyManager; 56import android.util.EventLog; 57import android.util.Log; 58import android.util.Slog; 59import android.view.IWindowManager; 60import android.view.ViewGroup; 61import android.view.WindowManagerGlobal; 62import android.view.WindowManagerPolicy; 63import android.view.animation.Animation; 64import android.view.animation.AnimationUtils; 65 66import com.android.internal.policy.IKeyguardDrawnCallback; 67import com.android.internal.policy.IKeyguardExitCallback; 68import com.android.internal.policy.IKeyguardStateCallback; 69import com.android.internal.telephony.IccCardConstants; 70import com.android.internal.widget.LockPatternUtils; 71import com.android.keyguard.KeyguardConstants; 72import com.android.keyguard.KeyguardDisplayManager; 73import com.android.keyguard.KeyguardSecurityView; 74import com.android.keyguard.KeyguardUpdateMonitor; 75import com.android.keyguard.KeyguardUpdateMonitorCallback; 76import com.android.keyguard.LatencyTracker; 77import com.android.keyguard.ViewMediatorCallback; 78import com.android.systemui.SystemUI; 79import com.android.systemui.SystemUIFactory; 80import com.android.systemui.classifier.FalsingManager; 81import com.android.systemui.statusbar.phone.FingerprintUnlockController; 82import com.android.systemui.statusbar.phone.PhoneStatusBar; 83import com.android.systemui.statusbar.phone.ScrimController; 84import com.android.systemui.statusbar.phone.StatusBarKeyguardViewManager; 85import com.android.systemui.statusbar.phone.StatusBarWindowManager; 86 87import java.io.FileDescriptor; 88import java.io.PrintWriter; 89import java.util.ArrayList; 90 91/** 92 * Mediates requests related to the keyguard. This includes queries about the 93 * state of the keyguard, power management events that effect whether the keyguard 94 * should be shown or reset, callbacks to the phone window manager to notify 95 * it of when the keyguard is showing, and events from the keyguard view itself 96 * stating that the keyguard was succesfully unlocked. 97 * 98 * Note that the keyguard view is shown when the screen is off (as appropriate) 99 * so that once the screen comes on, it will be ready immediately. 100 * 101 * Example queries about the keyguard: 102 * - is {movement, key} one that should wake the keygaurd? 103 * - is the keyguard showing? 104 * - are input events restricted due to the state of the keyguard? 105 * 106 * Callbacks to the phone window manager: 107 * - the keyguard is showing 108 * 109 * Example external events that translate to keyguard view changes: 110 * - screen turned off -> reset the keyguard, and show it so it will be ready 111 * next time the screen turns on 112 * - keyboard is slid open -> if the keyguard is not secure, hide it 113 * 114 * Events from the keyguard view: 115 * - user succesfully unlocked keyguard -> hide keyguard view, and no longer 116 * restrict input events. 117 * 118 * Note: in addition to normal power managment events that effect the state of 119 * whether the keyguard should be showing, external apps and services may request 120 * that the keyguard be disabled via {@link #setKeyguardEnabled(boolean)}. When 121 * false, this will override all other conditions for turning on the keyguard. 122 * 123 * Threading and synchronization: 124 * This class is created by the initialization routine of the {@link android.view.WindowManagerPolicy}, 125 * and runs on its thread. The keyguard UI is created from that thread in the 126 * constructor of this class. The apis may be called from other threads, including the 127 * {@link com.android.server.input.InputManagerService}'s and {@link android.view.WindowManager}'s. 128 * Therefore, methods on this class are synchronized, and any action that is pointed 129 * directly to the keyguard UI is posted to a {@link android.os.Handler} to ensure it is taken on the UI 130 * thread of the keyguard. 131 */ 132public class KeyguardViewMediator extends SystemUI { 133 private static final int KEYGUARD_DISPLAY_TIMEOUT_DELAY_DEFAULT = 30000; 134 private static final long KEYGUARD_DONE_PENDING_TIMEOUT_MS = 3000; 135 136 private static final boolean DEBUG = KeyguardConstants.DEBUG; 137 private static final boolean DEBUG_SIM_STATES = KeyguardConstants.DEBUG_SIM_STATES; 138 139 private final static String TAG = "KeyguardViewMediator"; 140 141 private static final String DELAYED_KEYGUARD_ACTION = 142 "com.android.internal.policy.impl.PhoneWindowManager.DELAYED_KEYGUARD"; 143 private static final String DELAYED_LOCK_PROFILE_ACTION = 144 "com.android.internal.policy.impl.PhoneWindowManager.DELAYED_LOCK"; 145 146 // used for handler messages 147 private static final int SHOW = 1; 148 private static final int HIDE = 2; 149 private static final int RESET = 3; 150 private static final int VERIFY_UNLOCK = 4; 151 private static final int NOTIFY_FINISHED_GOING_TO_SLEEP = 5; 152 private static final int NOTIFY_SCREEN_TURNING_ON = 6; 153 private static final int KEYGUARD_DONE = 7; 154 private static final int KEYGUARD_DONE_DRAWING = 8; 155 private static final int SET_OCCLUDED = 9; 156 private static final int KEYGUARD_TIMEOUT = 10; 157 private static final int DISMISS = 11; 158 private static final int START_KEYGUARD_EXIT_ANIM = 12; 159 private static final int KEYGUARD_DONE_PENDING_TIMEOUT = 13; 160 private static final int NOTIFY_STARTED_WAKING_UP = 14; 161 private static final int NOTIFY_SCREEN_TURNED_ON = 15; 162 private static final int NOTIFY_SCREEN_TURNED_OFF = 16; 163 private static final int NOTIFY_STARTED_GOING_TO_SLEEP = 17; 164 165 /** 166 * The default amount of time we stay awake (used for all key input) 167 */ 168 public static final int AWAKE_INTERVAL_DEFAULT_MS = 10000; 169 170 /** 171 * How long to wait after the screen turns off due to timeout before 172 * turning on the keyguard (i.e, the user has this much time to turn 173 * the screen back on without having to face the keyguard). 174 */ 175 private static final int KEYGUARD_LOCK_AFTER_DELAY_DEFAULT = 5000; 176 177 /** 178 * How long we'll wait for the {@link ViewMediatorCallback#keyguardDoneDrawing()} 179 * callback before unblocking a call to {@link #setKeyguardEnabled(boolean)} 180 * that is reenabling the keyguard. 181 */ 182 private static final int KEYGUARD_DONE_DRAWING_TIMEOUT_MS = 2000; 183 184 /** 185 * Boolean option for doKeyguardLocked/doKeyguardTimeout which, when set to true, forces the 186 * keyguard to show even if it is disabled for the current user. 187 */ 188 public static final String OPTION_FORCE_SHOW = "force_show"; 189 190 /** The stream type that the lock sounds are tied to. */ 191 private int mUiSoundsStreamType; 192 193 private AlarmManager mAlarmManager; 194 private AudioManager mAudioManager; 195 private StatusBarManager mStatusBarManager; 196 197 private boolean mSystemReady; 198 private boolean mBootCompleted; 199 private boolean mBootSendUserPresent; 200 201 /** High level access to the power manager for WakeLocks */ 202 private PowerManager mPM; 203 204 /** TrustManager for letting it know when we change visibility */ 205 private TrustManager mTrustManager; 206 207 /** 208 * Used to keep the device awake while to ensure the keyguard finishes opening before 209 * we sleep. 210 */ 211 private PowerManager.WakeLock mShowKeyguardWakeLock; 212 213 private StatusBarKeyguardViewManager mStatusBarKeyguardViewManager; 214 215 // these are protected by synchronized (this) 216 217 /** 218 * External apps (like the phone app) can tell us to disable the keygaurd. 219 */ 220 private boolean mExternallyEnabled = true; 221 222 /** 223 * Remember if an external call to {@link #setKeyguardEnabled} with value 224 * false caused us to hide the keyguard, so that we need to reshow it once 225 * the keygaurd is reenabled with another call with value true. 226 */ 227 private boolean mNeedToReshowWhenReenabled = false; 228 229 // cached value of whether we are showing (need to know this to quickly 230 // answer whether the input should be restricted) 231 private boolean mShowing; 232 233 /** Cached value of #isInputRestricted */ 234 private boolean mInputRestricted; 235 236 // true if the keyguard is hidden by another window 237 private boolean mOccluded = false; 238 239 /** 240 * Helps remember whether the screen has turned on since the last time 241 * it turned off due to timeout. see {@link #onScreenTurnedOff(int)} 242 */ 243 private int mDelayedShowingSequence; 244 245 /** 246 * Simiar to {@link #mDelayedProfileShowingSequence}, but it is for profile case. 247 */ 248 private int mDelayedProfileShowingSequence; 249 250 /** 251 * If the user has disabled the keyguard, then requests to exit, this is 252 * how we'll ultimately let them know whether it was successful. We use this 253 * var being non-null as an indicator that there is an in progress request. 254 */ 255 private IKeyguardExitCallback mExitSecureCallback; 256 257 // the properties of the keyguard 258 259 private KeyguardUpdateMonitor mUpdateMonitor; 260 261 private boolean mDeviceInteractive; 262 private boolean mGoingToSleep; 263 264 // last known state of the cellular connection 265 private String mPhoneState = TelephonyManager.EXTRA_STATE_IDLE; 266 267 /** 268 * Whether a hide is pending an we are just waiting for #startKeyguardExitAnimation to be 269 * called. 270 * */ 271 private boolean mHiding; 272 273 /** 274 * we send this intent when the keyguard is dismissed. 275 */ 276 private static final Intent USER_PRESENT_INTENT = new Intent(Intent.ACTION_USER_PRESENT) 277 .addFlags(Intent.FLAG_RECEIVER_REPLACE_PENDING 278 | Intent.FLAG_RECEIVER_REGISTERED_ONLY_BEFORE_BOOT); 279 280 /** 281 * {@link #setKeyguardEnabled} waits on this condition when it reenables 282 * the keyguard. 283 */ 284 private boolean mWaitingUntilKeyguardVisible = false; 285 private LockPatternUtils mLockPatternUtils; 286 private boolean mKeyguardDonePending = false; 287 private boolean mHideAnimationRun = false; 288 private boolean mHideAnimationRunning = false; 289 290 private SoundPool mLockSounds; 291 private int mLockSoundId; 292 private int mUnlockSoundId; 293 private int mTrustedSoundId; 294 private int mLockSoundStreamId; 295 296 /** 297 * The animation used for hiding keyguard. This is used to fetch the animation timings if 298 * WindowManager is not providing us with them. 299 */ 300 private Animation mHideAnimation; 301 302 /** 303 * The volume applied to the lock/unlock sounds. 304 */ 305 private float mLockSoundVolume; 306 307 /** 308 * For managing external displays 309 */ 310 private KeyguardDisplayManager mKeyguardDisplayManager; 311 312 private final ArrayList<IKeyguardStateCallback> mKeyguardStateCallbacks = new ArrayList<>(); 313 314 /** 315 * When starting going to sleep, we figured out that we need to reset Keyguard state and this 316 * should be committed when finished going to sleep. 317 */ 318 private boolean mPendingReset; 319 320 /** 321 * When starting going to sleep, we figured out that we need to lock Keyguard and this should be 322 * committed when finished going to sleep. 323 */ 324 private boolean mPendingLock; 325 326 private boolean mLockLater; 327 328 private boolean mWakeAndUnlocking; 329 private IKeyguardDrawnCallback mDrawnCallback; 330 331 KeyguardUpdateMonitorCallback mUpdateCallback = new KeyguardUpdateMonitorCallback() { 332 333 @Override 334 public void onUserSwitching(int userId) { 335 // Note that the mLockPatternUtils user has already been updated from setCurrentUser. 336 // We need to force a reset of the views, since lockNow (called by 337 // ActivityManagerService) will not reconstruct the keyguard if it is already showing. 338 synchronized (KeyguardViewMediator.this) { 339 resetKeyguardDonePendingLocked(); 340 resetStateLocked(); 341 adjustStatusBarLocked(); 342 } 343 } 344 345 @Override 346 public void onUserSwitchComplete(int userId) { 347 if (userId != UserHandle.USER_SYSTEM) { 348 UserInfo info = UserManager.get(mContext).getUserInfo(userId); 349 if (info != null && (info.isGuest() || info.isDemo())) { 350 // If we just switched to a guest, try to dismiss keyguard. 351 dismiss(false /* allowWhileOccluded */); 352 } 353 } 354 } 355 356 @Override 357 public void onUserInfoChanged(int userId) { 358 } 359 360 @Override 361 public void onPhoneStateChanged(int phoneState) { 362 synchronized (KeyguardViewMediator.this) { 363 if (TelephonyManager.CALL_STATE_IDLE == phoneState // call ending 364 && !mDeviceInteractive // screen off 365 && mExternallyEnabled) { // not disabled by any app 366 367 // note: this is a way to gracefully reenable the keyguard when the call 368 // ends and the screen is off without always reenabling the keyguard 369 // each time the screen turns off while in call (and having an occasional ugly 370 // flicker while turning back on the screen and disabling the keyguard again). 371 if (DEBUG) Log.d(TAG, "screen is off and call ended, let's make sure the " 372 + "keyguard is showing"); 373 doKeyguardLocked(null); 374 } 375 } 376 } 377 378 @Override 379 public void onClockVisibilityChanged() { 380 adjustStatusBarLocked(); 381 } 382 383 @Override 384 public void onDeviceProvisioned() { 385 sendUserPresentBroadcast(); 386 synchronized (KeyguardViewMediator.this) { 387 // If system user is provisioned, we might want to lock now to avoid showing launcher 388 if (mustNotUnlockCurrentUser()) { 389 doKeyguardLocked(null); 390 } 391 } 392 } 393 394 @Override 395 public void onSimStateChanged(int subId, int slotId, IccCardConstants.State simState) { 396 397 if (DEBUG_SIM_STATES) { 398 Log.d(TAG, "onSimStateChanged(subId=" + subId + ", slotId=" + slotId 399 + ",state=" + simState + ")"); 400 } 401 402 int size = mKeyguardStateCallbacks.size(); 403 boolean simPinSecure = mUpdateMonitor.isSimPinSecure(); 404 for (int i = size - 1; i >= 0; i--) { 405 try { 406 mKeyguardStateCallbacks.get(i).onSimSecureStateChanged(simPinSecure); 407 } catch (RemoteException e) { 408 Slog.w(TAG, "Failed to call onSimSecureStateChanged", e); 409 if (e instanceof DeadObjectException) { 410 mKeyguardStateCallbacks.remove(i); 411 } 412 } 413 } 414 415 switch (simState) { 416 case NOT_READY: 417 case ABSENT: 418 // only force lock screen in case of missing sim if user hasn't 419 // gone through setup wizard 420 synchronized (this) { 421 if (shouldWaitForProvisioning()) { 422 if (!mShowing) { 423 if (DEBUG_SIM_STATES) Log.d(TAG, "ICC_ABSENT isn't showing," 424 + " we need to show the keyguard since the " 425 + "device isn't provisioned yet."); 426 doKeyguardLocked(null); 427 } else { 428 resetStateLocked(); 429 } 430 } 431 } 432 break; 433 case PIN_REQUIRED: 434 case PUK_REQUIRED: 435 synchronized (this) { 436 if (!mShowing) { 437 if (DEBUG_SIM_STATES) Log.d(TAG, 438 "INTENT_VALUE_ICC_LOCKED and keygaurd isn't " 439 + "showing; need to show keyguard so user can enter sim pin"); 440 doKeyguardLocked(null); 441 } else { 442 resetStateLocked(); 443 } 444 } 445 break; 446 case PERM_DISABLED: 447 synchronized (this) { 448 if (!mShowing) { 449 if (DEBUG_SIM_STATES) Log.d(TAG, "PERM_DISABLED and " 450 + "keygaurd isn't showing."); 451 doKeyguardLocked(null); 452 } else { 453 if (DEBUG_SIM_STATES) Log.d(TAG, "PERM_DISABLED, resetStateLocked to" 454 + "show permanently disabled message in lockscreen."); 455 resetStateLocked(); 456 } 457 } 458 break; 459 case READY: 460 synchronized (this) { 461 if (mShowing) { 462 resetStateLocked(); 463 } 464 } 465 break; 466 default: 467 if (DEBUG_SIM_STATES) Log.v(TAG, "Ignoring state: " + simState); 468 break; 469 } 470 } 471 472 @Override 473 public void onFingerprintAuthFailed() { 474 final int currentUser = KeyguardUpdateMonitor.getCurrentUser(); 475 if (mLockPatternUtils.isSecure(currentUser)) { 476 mLockPatternUtils.getDevicePolicyManager().reportFailedFingerprintAttempt( 477 currentUser); 478 } 479 } 480 481 @Override 482 public void onFingerprintAuthenticated(int userId) { 483 if (mLockPatternUtils.isSecure(userId)) { 484 mLockPatternUtils.getDevicePolicyManager().reportSuccessfulFingerprintAttempt( 485 userId); 486 } 487 } 488 489 @Override 490 public void onTrustChanged(int userId) { 491 if (userId == KeyguardUpdateMonitor.getCurrentUser()) { 492 synchronized (KeyguardViewMediator.this) { 493 notifyTrustedChangedLocked(mUpdateMonitor.getUserHasTrust(userId)); 494 } 495 } 496 } 497 498 @Override 499 public void onHasLockscreenWallpaperChanged(boolean hasLockscreenWallpaper) { 500 synchronized (KeyguardViewMediator.this) { 501 notifyHasLockscreenWallpaperChanged(hasLockscreenWallpaper); 502 } 503 } 504 }; 505 506 ViewMediatorCallback mViewMediatorCallback = new ViewMediatorCallback() { 507 508 @Override 509 public void userActivity() { 510 KeyguardViewMediator.this.userActivity(); 511 } 512 513 @Override 514 public void keyguardDone(boolean strongAuth, int targetUserId) { 515 if (targetUserId != ActivityManager.getCurrentUser()) { 516 return; 517 } 518 519 tryKeyguardDone(true); 520 if (strongAuth) { 521 mUpdateMonitor.reportSuccessfulStrongAuthUnlockAttempt(); 522 } 523 } 524 525 @Override 526 public void keyguardDoneDrawing() { 527 Trace.beginSection("KeyguardViewMediator.mViewMediatorCallback#keyguardDoneDrawing"); 528 mHandler.sendEmptyMessage(KEYGUARD_DONE_DRAWING); 529 Trace.endSection(); 530 } 531 532 @Override 533 public void setNeedsInput(boolean needsInput) { 534 mStatusBarKeyguardViewManager.setNeedsInput(needsInput); 535 } 536 537 @Override 538 public void keyguardDonePending(boolean strongAuth, int targetUserId) { 539 Trace.beginSection("KeyguardViewMediator.mViewMediatorCallback#keyguardDonePending"); 540 if (targetUserId != ActivityManager.getCurrentUser()) { 541 Trace.endSection(); 542 return; 543 } 544 545 mKeyguardDonePending = true; 546 mHideAnimationRun = true; 547 mHideAnimationRunning = true; 548 mStatusBarKeyguardViewManager.startPreHideAnimation(mHideAnimationFinishedRunnable); 549 mHandler.sendEmptyMessageDelayed(KEYGUARD_DONE_PENDING_TIMEOUT, 550 KEYGUARD_DONE_PENDING_TIMEOUT_MS); 551 if (strongAuth) { 552 mUpdateMonitor.reportSuccessfulStrongAuthUnlockAttempt(); 553 } 554 Trace.endSection(); 555 } 556 557 @Override 558 public void keyguardGone() { 559 Trace.beginSection("KeyguardViewMediator.mViewMediatorCallback#keyguardGone"); 560 mKeyguardDisplayManager.hide(); 561 Trace.endSection(); 562 } 563 564 @Override 565 public void readyForKeyguardDone() { 566 Trace.beginSection("KeyguardViewMediator.mViewMediatorCallback#readyForKeyguardDone"); 567 if (mKeyguardDonePending) { 568 mKeyguardDonePending = false; 569 570 // Somebody has called keyguardDonePending before, which means that we are 571 // authenticated 572 tryKeyguardDone(true); 573 } 574 Trace.endSection(); 575 } 576 577 @Override 578 public void resetKeyguard() { 579 resetStateLocked(); 580 } 581 582 @Override 583 public void playTrustedSound() { 584 KeyguardViewMediator.this.playTrustedSound(); 585 } 586 587 @Override 588 public boolean isScreenOn() { 589 return mDeviceInteractive; 590 } 591 592 @Override 593 public int getBouncerPromptReason() { 594 int currentUser = ActivityManager.getCurrentUser(); 595 boolean trust = mTrustManager.isTrustUsuallyManaged(currentUser); 596 boolean fingerprint = mUpdateMonitor.isUnlockWithFingerprintPossible(currentUser); 597 boolean any = trust || fingerprint; 598 KeyguardUpdateMonitor.StrongAuthTracker strongAuthTracker = 599 mUpdateMonitor.getStrongAuthTracker(); 600 int strongAuth = strongAuthTracker.getStrongAuthForUser(currentUser); 601 602 if (any && !strongAuthTracker.hasUserAuthenticatedSinceBoot()) { 603 return KeyguardSecurityView.PROMPT_REASON_RESTART; 604 } else if (fingerprint && mUpdateMonitor.hasFingerprintUnlockTimedOut(currentUser)) { 605 return KeyguardSecurityView.PROMPT_REASON_TIMEOUT; 606 } else if (any && (strongAuth & STRONG_AUTH_REQUIRED_AFTER_DPM_LOCK_NOW) != 0) { 607 return KeyguardSecurityView.PROMPT_REASON_DEVICE_ADMIN; 608 } else if (trust && (strongAuth & SOME_AUTH_REQUIRED_AFTER_USER_REQUEST) != 0) { 609 return KeyguardSecurityView.PROMPT_REASON_USER_REQUEST; 610 } else if (any && (strongAuth & STRONG_AUTH_REQUIRED_AFTER_LOCKOUT) != 0) { 611 return KeyguardSecurityView.PROMPT_REASON_AFTER_LOCKOUT; 612 } 613 return KeyguardSecurityView.PROMPT_REASON_NONE; 614 } 615 }; 616 617 public void userActivity() { 618 mPM.userActivity(SystemClock.uptimeMillis(), false); 619 } 620 621 boolean mustNotUnlockCurrentUser() { 622 return (UserManager.isSplitSystemUser() || UserManager.isDeviceInDemoMode(mContext)) 623 && KeyguardUpdateMonitor.getCurrentUser() == UserHandle.USER_SYSTEM; 624 } 625 626 private void setupLocked() { 627 mPM = (PowerManager) mContext.getSystemService(Context.POWER_SERVICE); 628 mTrustManager = (TrustManager) mContext.getSystemService(Context.TRUST_SERVICE); 629 630 mShowKeyguardWakeLock = mPM.newWakeLock(PowerManager.PARTIAL_WAKE_LOCK, "show keyguard"); 631 mShowKeyguardWakeLock.setReferenceCounted(false); 632 633 mContext.registerReceiver(mBroadcastReceiver, new IntentFilter(DELAYED_KEYGUARD_ACTION)); 634 mContext.registerReceiver( 635 mBroadcastReceiver, new IntentFilter(DELAYED_LOCK_PROFILE_ACTION)); 636 637 mKeyguardDisplayManager = new KeyguardDisplayManager(mContext); 638 639 mAlarmManager = (AlarmManager) mContext.getSystemService(Context.ALARM_SERVICE); 640 641 mUpdateMonitor = KeyguardUpdateMonitor.getInstance(mContext); 642 643 mLockPatternUtils = new LockPatternUtils(mContext); 644 KeyguardUpdateMonitor.setCurrentUser(ActivityManager.getCurrentUser()); 645 646 // Assume keyguard is showing (unless it's disabled) until we know for sure... 647 setShowingLocked(!shouldWaitForProvisioning() && !mLockPatternUtils.isLockScreenDisabled( 648 KeyguardUpdateMonitor.getCurrentUser())); 649 updateInputRestrictedLocked(); 650 mTrustManager.reportKeyguardShowingChanged(); 651 652 mStatusBarKeyguardViewManager = 653 SystemUIFactory.getInstance().createStatusBarKeyguardViewManager(mContext, 654 mViewMediatorCallback, mLockPatternUtils); 655 final ContentResolver cr = mContext.getContentResolver(); 656 657 mDeviceInteractive = mPM.isInteractive(); 658 659 mLockSounds = new SoundPool(1, AudioManager.STREAM_SYSTEM, 0); 660 String soundPath = Settings.Global.getString(cr, Settings.Global.LOCK_SOUND); 661 if (soundPath != null) { 662 mLockSoundId = mLockSounds.load(soundPath, 1); 663 } 664 if (soundPath == null || mLockSoundId == 0) { 665 Log.w(TAG, "failed to load lock sound from " + soundPath); 666 } 667 soundPath = Settings.Global.getString(cr, Settings.Global.UNLOCK_SOUND); 668 if (soundPath != null) { 669 mUnlockSoundId = mLockSounds.load(soundPath, 1); 670 } 671 if (soundPath == null || mUnlockSoundId == 0) { 672 Log.w(TAG, "failed to load unlock sound from " + soundPath); 673 } 674 soundPath = Settings.Global.getString(cr, Settings.Global.TRUSTED_SOUND); 675 if (soundPath != null) { 676 mTrustedSoundId = mLockSounds.load(soundPath, 1); 677 } 678 if (soundPath == null || mTrustedSoundId == 0) { 679 Log.w(TAG, "failed to load trusted sound from " + soundPath); 680 } 681 682 int lockSoundDefaultAttenuation = mContext.getResources().getInteger( 683 com.android.internal.R.integer.config_lockSoundVolumeDb); 684 mLockSoundVolume = (float)Math.pow(10, (float)lockSoundDefaultAttenuation/20); 685 686 mHideAnimation = AnimationUtils.loadAnimation(mContext, 687 com.android.internal.R.anim.lock_screen_behind_enter); 688 } 689 690 @Override 691 public void start() { 692 synchronized (this) { 693 setupLocked(); 694 } 695 putComponent(KeyguardViewMediator.class, this); 696 } 697 698 /** 699 * Let us know that the system is ready after startup. 700 */ 701 public void onSystemReady() { 702 synchronized (this) { 703 if (DEBUG) Log.d(TAG, "onSystemReady"); 704 mSystemReady = true; 705 doKeyguardLocked(null); 706 mUpdateMonitor.registerCallback(mUpdateCallback); 707 } 708 // Most services aren't available until the system reaches the ready state, so we 709 // send it here when the device first boots. 710 maybeSendUserPresentBroadcast(); 711 } 712 713 /** 714 * Called to let us know the screen was turned off. 715 * @param why either {@link android.view.WindowManagerPolicy#OFF_BECAUSE_OF_USER} or 716 * {@link android.view.WindowManagerPolicy#OFF_BECAUSE_OF_TIMEOUT}. 717 */ 718 public void onStartedGoingToSleep(int why) { 719 if (DEBUG) Log.d(TAG, "onStartedGoingToSleep(" + why + ")"); 720 synchronized (this) { 721 mDeviceInteractive = false; 722 mGoingToSleep = true; 723 724 // Lock immediately based on setting if secure (user has a pin/pattern/password). 725 // This also "locks" the device when not secure to provide easy access to the 726 // camera while preventing unwanted input. 727 int currentUser = KeyguardUpdateMonitor.getCurrentUser(); 728 final boolean lockImmediately = 729 mLockPatternUtils.getPowerButtonInstantlyLocks(currentUser) 730 || !mLockPatternUtils.isSecure(currentUser); 731 long timeout = getLockTimeout(KeyguardUpdateMonitor.getCurrentUser()); 732 mLockLater = false; 733 if (mExitSecureCallback != null) { 734 if (DEBUG) Log.d(TAG, "pending exit secure callback cancelled"); 735 try { 736 mExitSecureCallback.onKeyguardExitResult(false); 737 } catch (RemoteException e) { 738 Slog.w(TAG, "Failed to call onKeyguardExitResult(false)", e); 739 } 740 mExitSecureCallback = null; 741 if (!mExternallyEnabled) { 742 hideLocked(); 743 } 744 } else if (mShowing) { 745 mPendingReset = true; 746 } else if ((why == WindowManagerPolicy.OFF_BECAUSE_OF_TIMEOUT && timeout > 0) 747 || (why == WindowManagerPolicy.OFF_BECAUSE_OF_USER && !lockImmediately)) { 748 doKeyguardLaterLocked(timeout); 749 mLockLater = true; 750 } else if (!mLockPatternUtils.isLockScreenDisabled(currentUser)) { 751 mPendingLock = true; 752 } 753 754 if (mPendingLock) { 755 playSounds(true); 756 } 757 } 758 KeyguardUpdateMonitor.getInstance(mContext).dispatchStartedGoingToSleep(why); 759 notifyStartedGoingToSleep(); 760 } 761 762 public void onFinishedGoingToSleep(int why, boolean cameraGestureTriggered) { 763 if (DEBUG) Log.d(TAG, "onFinishedGoingToSleep(" + why + ")"); 764 synchronized (this) { 765 mDeviceInteractive = false; 766 mGoingToSleep = false; 767 768 resetKeyguardDonePendingLocked(); 769 mHideAnimationRun = false; 770 771 notifyFinishedGoingToSleep(); 772 773 if (cameraGestureTriggered) { 774 Log.i(TAG, "Camera gesture was triggered, preventing Keyguard locking."); 775 776 // Just to make sure, make sure the device is awake. 777 mContext.getSystemService(PowerManager.class).wakeUp(SystemClock.uptimeMillis(), 778 "com.android.systemui:CAMERA_GESTURE_PREVENT_LOCK"); 779 mPendingLock = false; 780 mPendingReset = false; 781 } 782 783 if (mPendingReset) { 784 resetStateLocked(); 785 mPendingReset = false; 786 } 787 788 if (mPendingLock) { 789 doKeyguardLocked(null); 790 mPendingLock = false; 791 } 792 793 // We do not have timeout and power button instant lock setting for profile lock. 794 // So we use the personal setting if there is any. But if there is no device 795 // we need to make sure we lock it immediately when the screen is off. 796 if (!mLockLater && !cameraGestureTriggered) { 797 doKeyguardForChildProfilesLocked(); 798 } 799 800 } 801 KeyguardUpdateMonitor.getInstance(mContext).dispatchFinishedGoingToSleep(why); 802 } 803 804 private long getLockTimeout(int userId) { 805 // if the screen turned off because of timeout or the user hit the power button 806 // and we don't need to lock immediately, set an alarm 807 // to enable it a little bit later (i.e, give the user a chance 808 // to turn the screen back on within a certain window without 809 // having to unlock the screen) 810 final ContentResolver cr = mContext.getContentResolver(); 811 812 // From SecuritySettings 813 final long lockAfterTimeout = Settings.Secure.getInt(cr, 814 Settings.Secure.LOCK_SCREEN_LOCK_AFTER_TIMEOUT, 815 KEYGUARD_LOCK_AFTER_DELAY_DEFAULT); 816 817 // From DevicePolicyAdmin 818 final long policyTimeout = mLockPatternUtils.getDevicePolicyManager() 819 .getMaximumTimeToLockForUserAndProfiles(userId); 820 821 long timeout; 822 823 if (policyTimeout <= 0) { 824 timeout = lockAfterTimeout; 825 } else { 826 // From DisplaySettings 827 long displayTimeout = Settings.System.getInt(cr, SCREEN_OFF_TIMEOUT, 828 KEYGUARD_DISPLAY_TIMEOUT_DELAY_DEFAULT); 829 830 // policy in effect. Make sure we don't go beyond policy limit. 831 displayTimeout = Math.max(displayTimeout, 0); // ignore negative values 832 timeout = Math.min(policyTimeout - displayTimeout, lockAfterTimeout); 833 timeout = Math.max(timeout, 0); 834 } 835 return timeout; 836 } 837 838 private void doKeyguardLaterLocked() { 839 long timeout = getLockTimeout(KeyguardUpdateMonitor.getCurrentUser()); 840 if (timeout == 0) { 841 doKeyguardLocked(null); 842 } else { 843 doKeyguardLaterLocked(timeout); 844 } 845 } 846 847 private void doKeyguardLaterLocked(long timeout) { 848 // Lock in the future 849 long when = SystemClock.elapsedRealtime() + timeout; 850 Intent intent = new Intent(DELAYED_KEYGUARD_ACTION); 851 intent.putExtra("seq", mDelayedShowingSequence); 852 intent.addFlags(Intent.FLAG_RECEIVER_FOREGROUND); 853 PendingIntent sender = PendingIntent.getBroadcast(mContext, 854 0, intent, PendingIntent.FLAG_CANCEL_CURRENT); 855 mAlarmManager.setExactAndAllowWhileIdle(AlarmManager.ELAPSED_REALTIME_WAKEUP, when, sender); 856 if (DEBUG) Log.d(TAG, "setting alarm to turn off keyguard, seq = " 857 + mDelayedShowingSequence); 858 doKeyguardLaterForChildProfilesLocked(); 859 } 860 861 private void doKeyguardLaterForChildProfilesLocked() { 862 UserManager um = UserManager.get(mContext); 863 for (int profileId : um.getEnabledProfileIds(UserHandle.myUserId())) { 864 if (mLockPatternUtils.isSeparateProfileChallengeEnabled(profileId)) { 865 long userTimeout = getLockTimeout(profileId); 866 if (userTimeout == 0) { 867 doKeyguardForChildProfilesLocked(); 868 } else { 869 long userWhen = SystemClock.elapsedRealtime() + userTimeout; 870 Intent lockIntent = new Intent(DELAYED_LOCK_PROFILE_ACTION); 871 lockIntent.putExtra("seq", mDelayedProfileShowingSequence); 872 lockIntent.putExtra(Intent.EXTRA_USER_ID, profileId); 873 lockIntent.addFlags(Intent.FLAG_RECEIVER_FOREGROUND); 874 PendingIntent lockSender = PendingIntent.getBroadcast( 875 mContext, 0, lockIntent, PendingIntent.FLAG_CANCEL_CURRENT); 876 mAlarmManager.setExactAndAllowWhileIdle(AlarmManager.ELAPSED_REALTIME_WAKEUP, 877 userWhen, lockSender); 878 } 879 } 880 } 881 } 882 883 private void doKeyguardForChildProfilesLocked() { 884 UserManager um = UserManager.get(mContext); 885 for (int profileId : um.getEnabledProfileIds(UserHandle.myUserId())) { 886 if (mLockPatternUtils.isSeparateProfileChallengeEnabled(profileId)) { 887 lockProfile(profileId); 888 } 889 } 890 } 891 892 private void cancelDoKeyguardLaterLocked() { 893 mDelayedShowingSequence++; 894 } 895 896 private void cancelDoKeyguardForChildProfilesLocked() { 897 mDelayedProfileShowingSequence++; 898 } 899 900 /** 901 * Let's us know when the device is waking up. 902 */ 903 public void onStartedWakingUp() { 904 Trace.beginSection("KeyguardViewMediator#onStartedWakingUp"); 905 906 // TODO: Rename all screen off/on references to interactive/sleeping 907 synchronized (this) { 908 mDeviceInteractive = true; 909 cancelDoKeyguardLaterLocked(); 910 cancelDoKeyguardForChildProfilesLocked(); 911 if (DEBUG) Log.d(TAG, "onStartedWakingUp, seq = " + mDelayedShowingSequence); 912 notifyStartedWakingUp(); 913 } 914 KeyguardUpdateMonitor.getInstance(mContext).dispatchStartedWakingUp(); 915 maybeSendUserPresentBroadcast(); 916 Trace.endSection(); 917 } 918 919 public void onScreenTurningOn(IKeyguardDrawnCallback callback) { 920 Trace.beginSection("KeyguardViewMediator#onScreenTurningOn"); 921 notifyScreenOn(callback); 922 Trace.endSection(); 923 } 924 925 public void onScreenTurnedOn() { 926 Trace.beginSection("KeyguardViewMediator#onScreenTurnedOn"); 927 notifyScreenTurnedOn(); 928 mUpdateMonitor.dispatchScreenTurnedOn(); 929 Trace.endSection(); 930 } 931 932 public void onScreenTurnedOff() { 933 notifyScreenTurnedOff(); 934 mUpdateMonitor.dispatchScreenTurnedOff(); 935 } 936 937 private void maybeSendUserPresentBroadcast() { 938 if (mSystemReady && mLockPatternUtils.isLockScreenDisabled( 939 KeyguardUpdateMonitor.getCurrentUser())) { 940 // Lock screen is disabled because the user has set the preference to "None". 941 // In this case, send out ACTION_USER_PRESENT here instead of in 942 // handleKeyguardDone() 943 sendUserPresentBroadcast(); 944 } else if (mSystemReady && shouldWaitForProvisioning()) { 945 // Skipping the lockscreen because we're not yet provisioned, but we still need to 946 // notify the StrongAuthTracker that it's now safe to run trust agents, in case the 947 // user sets a credential later. 948 getLockPatternUtils().userPresent(KeyguardUpdateMonitor.getCurrentUser()); 949 } 950 } 951 952 /** 953 * A dream started. We should lock after the usual screen-off lock timeout but only 954 * if there is a secure lock pattern. 955 */ 956 public void onDreamingStarted() { 957 KeyguardUpdateMonitor.getInstance(mContext).dispatchDreamingStarted(); 958 synchronized (this) { 959 if (mDeviceInteractive 960 && mLockPatternUtils.isSecure(KeyguardUpdateMonitor.getCurrentUser())) { 961 doKeyguardLaterLocked(); 962 } 963 } 964 } 965 966 /** 967 * A dream stopped. 968 */ 969 public void onDreamingStopped() { 970 KeyguardUpdateMonitor.getInstance(mContext).dispatchDreamingStopped(); 971 synchronized (this) { 972 if (mDeviceInteractive) { 973 cancelDoKeyguardLaterLocked(); 974 } 975 } 976 } 977 978 /** 979 * Same semantics as {@link android.view.WindowManagerPolicy#enableKeyguard}; provide 980 * a way for external stuff to override normal keyguard behavior. For instance 981 * the phone app disables the keyguard when it receives incoming calls. 982 */ 983 public void setKeyguardEnabled(boolean enabled) { 984 synchronized (this) { 985 if (DEBUG) Log.d(TAG, "setKeyguardEnabled(" + enabled + ")"); 986 987 mExternallyEnabled = enabled; 988 989 if (!enabled && mShowing) { 990 if (mExitSecureCallback != null) { 991 if (DEBUG) Log.d(TAG, "in process of verifyUnlock request, ignoring"); 992 // we're in the process of handling a request to verify the user 993 // can get past the keyguard. ignore extraneous requests to disable / reenable 994 return; 995 } 996 997 // hiding keyguard that is showing, remember to reshow later 998 if (DEBUG) Log.d(TAG, "remembering to reshow, hiding keyguard, " 999 + "disabling status bar expansion"); 1000 mNeedToReshowWhenReenabled = true; 1001 updateInputRestrictedLocked(); 1002 hideLocked(); 1003 } else if (enabled && mNeedToReshowWhenReenabled) { 1004 // reenabled after previously hidden, reshow 1005 if (DEBUG) Log.d(TAG, "previously hidden, reshowing, reenabling " 1006 + "status bar expansion"); 1007 mNeedToReshowWhenReenabled = false; 1008 updateInputRestrictedLocked(); 1009 1010 if (mExitSecureCallback != null) { 1011 if (DEBUG) Log.d(TAG, "onKeyguardExitResult(false), resetting"); 1012 try { 1013 mExitSecureCallback.onKeyguardExitResult(false); 1014 } catch (RemoteException e) { 1015 Slog.w(TAG, "Failed to call onKeyguardExitResult(false)", e); 1016 } 1017 mExitSecureCallback = null; 1018 resetStateLocked(); 1019 } else { 1020 showLocked(null); 1021 1022 // block until we know the keygaurd is done drawing (and post a message 1023 // to unblock us after a timeout so we don't risk blocking too long 1024 // and causing an ANR). 1025 mWaitingUntilKeyguardVisible = true; 1026 mHandler.sendEmptyMessageDelayed(KEYGUARD_DONE_DRAWING, KEYGUARD_DONE_DRAWING_TIMEOUT_MS); 1027 if (DEBUG) Log.d(TAG, "waiting until mWaitingUntilKeyguardVisible is false"); 1028 while (mWaitingUntilKeyguardVisible) { 1029 try { 1030 wait(); 1031 } catch (InterruptedException e) { 1032 Thread.currentThread().interrupt(); 1033 } 1034 } 1035 if (DEBUG) Log.d(TAG, "done waiting for mWaitingUntilKeyguardVisible"); 1036 } 1037 } 1038 } 1039 } 1040 1041 /** 1042 * @see android.app.KeyguardManager#exitKeyguardSecurely 1043 */ 1044 public void verifyUnlock(IKeyguardExitCallback callback) { 1045 Trace.beginSection("KeyguardViewMediator#verifyUnlock"); 1046 synchronized (this) { 1047 if (DEBUG) Log.d(TAG, "verifyUnlock"); 1048 if (shouldWaitForProvisioning()) { 1049 // don't allow this api when the device isn't provisioned 1050 if (DEBUG) Log.d(TAG, "ignoring because device isn't provisioned"); 1051 try { 1052 callback.onKeyguardExitResult(false); 1053 } catch (RemoteException e) { 1054 Slog.w(TAG, "Failed to call onKeyguardExitResult(false)", e); 1055 } 1056 } else if (mExternallyEnabled) { 1057 // this only applies when the user has externally disabled the 1058 // keyguard. this is unexpected and means the user is not 1059 // using the api properly. 1060 Log.w(TAG, "verifyUnlock called when not externally disabled"); 1061 try { 1062 callback.onKeyguardExitResult(false); 1063 } catch (RemoteException e) { 1064 Slog.w(TAG, "Failed to call onKeyguardExitResult(false)", e); 1065 } 1066 } else if (mExitSecureCallback != null) { 1067 // already in progress with someone else 1068 try { 1069 callback.onKeyguardExitResult(false); 1070 } catch (RemoteException e) { 1071 Slog.w(TAG, "Failed to call onKeyguardExitResult(false)", e); 1072 } 1073 } else if (!isSecure()) { 1074 1075 // Keyguard is not secure, no need to do anything, and we don't need to reshow 1076 // the Keyguard after the client releases the Keyguard lock. 1077 mExternallyEnabled = true; 1078 mNeedToReshowWhenReenabled = false; 1079 updateInputRestricted(); 1080 try { 1081 callback.onKeyguardExitResult(true); 1082 } catch (RemoteException e) { 1083 Slog.w(TAG, "Failed to call onKeyguardExitResult(false)", e); 1084 } 1085 } else { 1086 1087 // Since we prevent apps from hiding the Keyguard if we are secure, this should be 1088 // a no-op as well. 1089 try { 1090 callback.onKeyguardExitResult(false); 1091 } catch (RemoteException e) { 1092 Slog.w(TAG, "Failed to call onKeyguardExitResult(false)", e); 1093 } 1094 } 1095 } 1096 Trace.endSection(); 1097 } 1098 1099 /** 1100 * Is the keyguard currently showing and not being force hidden? 1101 */ 1102 public boolean isShowingAndNotOccluded() { 1103 return mShowing && !mOccluded; 1104 } 1105 1106 /** 1107 * Notify us when the keyguard is occluded by another window 1108 */ 1109 public void setOccluded(boolean isOccluded, boolean animate) { 1110 Trace.beginSection("KeyguardViewMediator#setOccluded"); 1111 if (DEBUG) Log.d(TAG, "setOccluded " + isOccluded); 1112 mHandler.removeMessages(SET_OCCLUDED); 1113 Message msg = mHandler.obtainMessage(SET_OCCLUDED, isOccluded ? 1 : 0, animate ? 1 : 0); 1114 mHandler.sendMessage(msg); 1115 Trace.endSection(); 1116 } 1117 1118 /** 1119 * Handles SET_OCCLUDED message sent by setOccluded() 1120 */ 1121 private void handleSetOccluded(boolean isOccluded, boolean animate) { 1122 Trace.beginSection("KeyguardViewMediator#handleSetOccluded"); 1123 synchronized (KeyguardViewMediator.this) { 1124 if (mHiding && isOccluded) { 1125 // We're in the process of going away but WindowManager wants to show a 1126 // SHOW_WHEN_LOCKED activity instead. 1127 startKeyguardExitAnimation(0, 0); 1128 } 1129 1130 if (mOccluded != isOccluded) { 1131 mOccluded = isOccluded; 1132 mStatusBarKeyguardViewManager.setOccluded(isOccluded, animate); 1133 adjustStatusBarLocked(); 1134 } 1135 } 1136 Trace.endSection(); 1137 } 1138 1139 /** 1140 * Used by PhoneWindowManager to enable the keyguard due to a user activity timeout. 1141 * This must be safe to call from any thread and with any window manager locks held. 1142 */ 1143 public void doKeyguardTimeout(Bundle options) { 1144 mHandler.removeMessages(KEYGUARD_TIMEOUT); 1145 Message msg = mHandler.obtainMessage(KEYGUARD_TIMEOUT, options); 1146 mHandler.sendMessage(msg); 1147 } 1148 1149 /** 1150 * Given the state of the keyguard, is the input restricted? 1151 * Input is restricted when the keyguard is showing, or when the keyguard 1152 * was suppressed by an app that disabled the keyguard or we haven't been provisioned yet. 1153 */ 1154 public boolean isInputRestricted() { 1155 return mShowing || mNeedToReshowWhenReenabled; 1156 } 1157 1158 private void updateInputRestricted() { 1159 synchronized (this) { 1160 updateInputRestrictedLocked(); 1161 } 1162 } 1163 private void updateInputRestrictedLocked() { 1164 boolean inputRestricted = isInputRestricted(); 1165 if (mInputRestricted != inputRestricted) { 1166 mInputRestricted = inputRestricted; 1167 int size = mKeyguardStateCallbacks.size(); 1168 for (int i = size - 1; i >= 0; i--) { 1169 try { 1170 mKeyguardStateCallbacks.get(i).onInputRestrictedStateChanged(inputRestricted); 1171 } catch (RemoteException e) { 1172 Slog.w(TAG, "Failed to call onDeviceProvisioned", e); 1173 if (e instanceof DeadObjectException) { 1174 mKeyguardStateCallbacks.remove(i); 1175 } 1176 } 1177 } 1178 } 1179 } 1180 1181 /** 1182 * Enable the keyguard if the settings are appropriate. 1183 */ 1184 private void doKeyguardLocked(Bundle options) { 1185 // if another app is disabling us, don't show 1186 if (!mExternallyEnabled) { 1187 if (DEBUG) Log.d(TAG, "doKeyguard: not showing because externally disabled"); 1188 1189 // note: we *should* set mNeedToReshowWhenReenabled=true here, but that makes 1190 // for an occasional ugly flicker in this situation: 1191 // 1) receive a call with the screen on (no keyguard) or make a call 1192 // 2) screen times out 1193 // 3) user hits key to turn screen back on 1194 // instead, we reenable the keyguard when we know the screen is off and the call 1195 // ends (see the broadcast receiver below) 1196 // TODO: clean this up when we have better support at the window manager level 1197 // for apps that wish to be on top of the keyguard 1198 return; 1199 } 1200 1201 // if the keyguard is already showing, don't bother 1202 if (mStatusBarKeyguardViewManager.isShowing()) { 1203 if (DEBUG) Log.d(TAG, "doKeyguard: not showing because it is already showing"); 1204 resetStateLocked(); 1205 return; 1206 } 1207 1208 // In split system user mode, we never unlock system user. 1209 if (!mustNotUnlockCurrentUser() 1210 || !mUpdateMonitor.isDeviceProvisioned()) { 1211 1212 // if the setup wizard hasn't run yet, don't show 1213 final boolean requireSim = !SystemProperties.getBoolean("keyguard.no_require_sim", false); 1214 final boolean absent = SubscriptionManager.isValidSubscriptionId( 1215 mUpdateMonitor.getNextSubIdForState(IccCardConstants.State.ABSENT)); 1216 final boolean disabled = SubscriptionManager.isValidSubscriptionId( 1217 mUpdateMonitor.getNextSubIdForState(IccCardConstants.State.PERM_DISABLED)); 1218 final boolean lockedOrMissing = mUpdateMonitor.isSimPinSecure() 1219 || ((absent || disabled) && requireSim); 1220 1221 if (!lockedOrMissing && shouldWaitForProvisioning()) { 1222 if (DEBUG) Log.d(TAG, "doKeyguard: not showing because device isn't provisioned" 1223 + " and the sim is not locked or missing"); 1224 return; 1225 } 1226 1227 boolean forceShow = options != null && options.getBoolean(OPTION_FORCE_SHOW, false); 1228 if (mLockPatternUtils.isLockScreenDisabled(KeyguardUpdateMonitor.getCurrentUser()) 1229 && !lockedOrMissing && !forceShow) { 1230 if (DEBUG) Log.d(TAG, "doKeyguard: not showing because lockscreen is off"); 1231 return; 1232 } 1233 1234 if (mLockPatternUtils.checkVoldPassword(KeyguardUpdateMonitor.getCurrentUser())) { 1235 if (DEBUG) Log.d(TAG, "Not showing lock screen since just decrypted"); 1236 // Without this, settings is not enabled until the lock screen first appears 1237 setShowingLocked(false); 1238 hideLocked(); 1239 mUpdateMonitor.reportSuccessfulStrongAuthUnlockAttempt(); 1240 return; 1241 } 1242 } 1243 1244 if (DEBUG) Log.d(TAG, "doKeyguard: showing the lock screen"); 1245 showLocked(options); 1246 } 1247 1248 private void lockProfile(int userId) { 1249 mTrustManager.setDeviceLockedForUser(userId, true); 1250 } 1251 1252 private boolean shouldWaitForProvisioning() { 1253 return !mUpdateMonitor.isDeviceProvisioned() && !isSecure(); 1254 } 1255 1256 /** 1257 * Dismiss the keyguard through the security layers. 1258 * @param allowWhileOccluded if true, dismiss the keyguard even if it's currently occluded. 1259 */ 1260 public void handleDismiss(boolean allowWhileOccluded) { 1261 if (mShowing && (allowWhileOccluded || !mOccluded)) { 1262 mStatusBarKeyguardViewManager.dismissAndCollapse(); 1263 } 1264 } 1265 1266 public void dismiss(boolean allowWhileOccluded) { 1267 mHandler.obtainMessage(DISMISS, allowWhileOccluded ? 1 : 0, 0).sendToTarget(); 1268 } 1269 1270 /** 1271 * Send message to keyguard telling it to reset its state. 1272 * @see #handleReset 1273 */ 1274 private void resetStateLocked() { 1275 if (DEBUG) Log.e(TAG, "resetStateLocked"); 1276 Message msg = mHandler.obtainMessage(RESET); 1277 mHandler.sendMessage(msg); 1278 } 1279 1280 /** 1281 * Send message to keyguard telling it to verify unlock 1282 * @see #handleVerifyUnlock() 1283 */ 1284 private void verifyUnlockLocked() { 1285 if (DEBUG) Log.d(TAG, "verifyUnlockLocked"); 1286 mHandler.sendEmptyMessage(VERIFY_UNLOCK); 1287 } 1288 1289 private void notifyStartedGoingToSleep() { 1290 if (DEBUG) Log.d(TAG, "notifyStartedGoingToSleep"); 1291 mHandler.sendEmptyMessage(NOTIFY_STARTED_GOING_TO_SLEEP); 1292 } 1293 1294 private void notifyFinishedGoingToSleep() { 1295 if (DEBUG) Log.d(TAG, "notifyFinishedGoingToSleep"); 1296 mHandler.sendEmptyMessage(NOTIFY_FINISHED_GOING_TO_SLEEP); 1297 } 1298 1299 private void notifyStartedWakingUp() { 1300 if (DEBUG) Log.d(TAG, "notifyStartedWakingUp"); 1301 mHandler.sendEmptyMessage(NOTIFY_STARTED_WAKING_UP); 1302 } 1303 1304 private void notifyScreenOn(IKeyguardDrawnCallback callback) { 1305 if (DEBUG) Log.d(TAG, "notifyScreenOn"); 1306 Message msg = mHandler.obtainMessage(NOTIFY_SCREEN_TURNING_ON, callback); 1307 mHandler.sendMessage(msg); 1308 } 1309 1310 private void notifyScreenTurnedOn() { 1311 if (DEBUG) Log.d(TAG, "notifyScreenTurnedOn"); 1312 Message msg = mHandler.obtainMessage(NOTIFY_SCREEN_TURNED_ON); 1313 mHandler.sendMessage(msg); 1314 } 1315 1316 private void notifyScreenTurnedOff() { 1317 if (DEBUG) Log.d(TAG, "notifyScreenTurnedOff"); 1318 Message msg = mHandler.obtainMessage(NOTIFY_SCREEN_TURNED_OFF); 1319 mHandler.sendMessage(msg); 1320 } 1321 1322 /** 1323 * Send message to keyguard telling it to show itself 1324 * @see #handleShow 1325 */ 1326 private void showLocked(Bundle options) { 1327 Trace.beginSection("KeyguardViewMediator#showLocked aqcuiring mShowKeyguardWakeLock"); 1328 if (DEBUG) Log.d(TAG, "showLocked"); 1329 // ensure we stay awake until we are finished displaying the keyguard 1330 mShowKeyguardWakeLock.acquire(); 1331 Message msg = mHandler.obtainMessage(SHOW, options); 1332 mHandler.sendMessage(msg); 1333 Trace.endSection(); 1334 } 1335 1336 /** 1337 * Send message to keyguard telling it to hide itself 1338 * @see #handleHide() 1339 */ 1340 private void hideLocked() { 1341 Trace.beginSection("KeyguardViewMediator#hideLocked"); 1342 if (DEBUG) Log.d(TAG, "hideLocked"); 1343 Message msg = mHandler.obtainMessage(HIDE); 1344 mHandler.sendMessage(msg); 1345 Trace.endSection(); 1346 } 1347 1348 public boolean isSecure() { 1349 return isSecure(KeyguardUpdateMonitor.getCurrentUser()); 1350 } 1351 1352 public boolean isSecure(int userId) { 1353 return mLockPatternUtils.isSecure(userId) 1354 || KeyguardUpdateMonitor.getInstance(mContext).isSimPinSecure(); 1355 } 1356 1357 public void setSwitchingUser(boolean switching) { 1358 KeyguardUpdateMonitor.getInstance(mContext).setSwitchingUser(switching); 1359 } 1360 1361 /** 1362 * Update the newUserId. Call while holding WindowManagerService lock. 1363 * NOTE: Should only be called by KeyguardViewMediator in response to the user id changing. 1364 * 1365 * @param newUserId The id of the incoming user. 1366 */ 1367 public void setCurrentUser(int newUserId) { 1368 KeyguardUpdateMonitor.setCurrentUser(newUserId); 1369 synchronized (this) { 1370 notifyTrustedChangedLocked(mUpdateMonitor.getUserHasTrust(newUserId)); 1371 } 1372 } 1373 1374 private final BroadcastReceiver mBroadcastReceiver = new BroadcastReceiver() { 1375 @Override 1376 public void onReceive(Context context, Intent intent) { 1377 if (DELAYED_KEYGUARD_ACTION.equals(intent.getAction())) { 1378 final int sequence = intent.getIntExtra("seq", 0); 1379 if (DEBUG) Log.d(TAG, "received DELAYED_KEYGUARD_ACTION with seq = " 1380 + sequence + ", mDelayedShowingSequence = " + mDelayedShowingSequence); 1381 synchronized (KeyguardViewMediator.this) { 1382 if (mDelayedShowingSequence == sequence) { 1383 doKeyguardLocked(null); 1384 } 1385 } 1386 } else if (DELAYED_LOCK_PROFILE_ACTION.equals(intent.getAction())) { 1387 final int sequence = intent.getIntExtra("seq", 0); 1388 int userId = intent.getIntExtra(Intent.EXTRA_USER_ID, 0); 1389 if (userId != 0) { 1390 synchronized (KeyguardViewMediator.this) { 1391 if (mDelayedProfileShowingSequence == sequence) { 1392 lockProfile(userId); 1393 } 1394 } 1395 } 1396 } 1397 } 1398 }; 1399 1400 public void keyguardDone(boolean authenticated) { 1401 Trace.beginSection("KeyguardViewMediator#keyguardDone"); 1402 if (DEBUG) Log.d(TAG, "keyguardDone(" + authenticated +")"); 1403 userActivity(); 1404 EventLog.writeEvent(70000, 2); 1405 Message msg = mHandler.obtainMessage(KEYGUARD_DONE, authenticated ? 1 : 0); 1406 mHandler.sendMessage(msg); 1407 Trace.endSection(); 1408 } 1409 1410 /** 1411 * This handler will be associated with the policy thread, which will also 1412 * be the UI thread of the keyguard. Since the apis of the policy, and therefore 1413 * this class, can be called by other threads, any action that directly 1414 * interacts with the keyguard ui should be posted to this handler, rather 1415 * than called directly. 1416 */ 1417 private Handler mHandler = new Handler(Looper.myLooper(), null, true /*async*/) { 1418 @Override 1419 public void handleMessage(Message msg) { 1420 switch (msg.what) { 1421 case SHOW: 1422 handleShow((Bundle) msg.obj); 1423 break; 1424 case HIDE: 1425 handleHide(); 1426 break; 1427 case RESET: 1428 handleReset(); 1429 break; 1430 case VERIFY_UNLOCK: 1431 Trace.beginSection("KeyguardViewMediator#handleMessage VERIFY_UNLOCK"); 1432 handleVerifyUnlock(); 1433 Trace.endSection(); 1434 break; 1435 case NOTIFY_STARTED_GOING_TO_SLEEP: 1436 handleNotifyStartedGoingToSleep(); 1437 break; 1438 case NOTIFY_FINISHED_GOING_TO_SLEEP: 1439 handleNotifyFinishedGoingToSleep(); 1440 break; 1441 case NOTIFY_SCREEN_TURNING_ON: 1442 Trace.beginSection("KeyguardViewMediator#handleMessage NOTIFY_SCREEN_TURNING_ON"); 1443 handleNotifyScreenTurningOn((IKeyguardDrawnCallback) msg.obj); 1444 Trace.endSection(); 1445 break; 1446 case NOTIFY_SCREEN_TURNED_ON: 1447 Trace.beginSection("KeyguardViewMediator#handleMessage NOTIFY_SCREEN_TURNED_ON"); 1448 handleNotifyScreenTurnedOn(); 1449 Trace.endSection(); 1450 break; 1451 case NOTIFY_SCREEN_TURNED_OFF: 1452 handleNotifyScreenTurnedOff(); 1453 break; 1454 case NOTIFY_STARTED_WAKING_UP: 1455 Trace.beginSection("KeyguardViewMediator#handleMessage NOTIFY_STARTED_WAKING_UP"); 1456 handleNotifyStartedWakingUp(); 1457 Trace.endSection(); 1458 break; 1459 case KEYGUARD_DONE: 1460 Trace.beginSection("KeyguardViewMediator#handleMessage KEYGUARD_DONE"); 1461 handleKeyguardDone(msg.arg1 != 0); 1462 Trace.endSection(); 1463 break; 1464 case KEYGUARD_DONE_DRAWING: 1465 Trace.beginSection("KeyguardViewMediator#handleMessage KEYGUARD_DONE_DRAWING"); 1466 handleKeyguardDoneDrawing(); 1467 Trace.endSection(); 1468 break; 1469 case SET_OCCLUDED: 1470 Trace.beginSection("KeyguardViewMediator#handleMessage SET_OCCLUDED"); 1471 handleSetOccluded(msg.arg1 != 0, msg.arg2 != 0); 1472 Trace.endSection(); 1473 break; 1474 case KEYGUARD_TIMEOUT: 1475 synchronized (KeyguardViewMediator.this) { 1476 doKeyguardLocked((Bundle) msg.obj); 1477 } 1478 break; 1479 case DISMISS: 1480 handleDismiss(msg.arg1 == 1 ? true : false /* allowWhileOccluded */); 1481 break; 1482 case START_KEYGUARD_EXIT_ANIM: 1483 Trace.beginSection("KeyguardViewMediator#handleMessage START_KEYGUARD_EXIT_ANIM"); 1484 StartKeyguardExitAnimParams params = (StartKeyguardExitAnimParams) msg.obj; 1485 handleStartKeyguardExitAnimation(params.startTime, params.fadeoutDuration); 1486 FalsingManager.getInstance(mContext).onSucccessfulUnlock(); 1487 Trace.endSection(); 1488 break; 1489 case KEYGUARD_DONE_PENDING_TIMEOUT: 1490 Trace.beginSection("KeyguardViewMediator#handleMessage KEYGUARD_DONE_PENDING_TIMEOUT"); 1491 Log.w(TAG, "Timeout while waiting for activity drawn!"); 1492 Trace.endSection(); 1493 break; 1494 } 1495 } 1496 }; 1497 1498 private void tryKeyguardDone(boolean authenticated) { 1499 if (!mKeyguardDonePending && mHideAnimationRun && !mHideAnimationRunning) { 1500 handleKeyguardDone(authenticated); 1501 } else if (!mHideAnimationRun) { 1502 mHideAnimationRun = true; 1503 mHideAnimationRunning = true; 1504 mStatusBarKeyguardViewManager.startPreHideAnimation(mHideAnimationFinishedRunnable); 1505 } 1506 } 1507 1508 /** 1509 * @see #keyguardDone 1510 * @see #KEYGUARD_DONE 1511 */ 1512 private void handleKeyguardDone(boolean authenticated) { 1513 Trace.beginSection("KeyguardViewMediator#handleKeyguardDone"); 1514 final int currentUser = KeyguardUpdateMonitor.getCurrentUser(); 1515 if (mLockPatternUtils.isSecure(currentUser)) { 1516 mLockPatternUtils.getDevicePolicyManager().reportKeyguardDismissed(currentUser); 1517 } 1518 if (DEBUG) Log.d(TAG, "handleKeyguardDone"); 1519 synchronized (this) { 1520 resetKeyguardDonePendingLocked(); 1521 } 1522 1523 if (authenticated) { 1524 mUpdateMonitor.clearFailedUnlockAttempts(); 1525 } 1526 mUpdateMonitor.clearFingerprintRecognized(); 1527 1528 if (mGoingToSleep) { 1529 Log.i(TAG, "Device is going to sleep, aborting keyguardDone"); 1530 return; 1531 } 1532 if (mExitSecureCallback != null) { 1533 try { 1534 mExitSecureCallback.onKeyguardExitResult(authenticated); 1535 } catch (RemoteException e) { 1536 Slog.w(TAG, "Failed to call onKeyguardExitResult(" + authenticated + ")", e); 1537 } 1538 1539 mExitSecureCallback = null; 1540 1541 if (authenticated) { 1542 // after succesfully exiting securely, no need to reshow 1543 // the keyguard when they've released the lock 1544 mExternallyEnabled = true; 1545 mNeedToReshowWhenReenabled = false; 1546 updateInputRestricted(); 1547 } 1548 } 1549 1550 handleHide(); 1551 Trace.endSection(); 1552 } 1553 1554 private void sendUserPresentBroadcast() { 1555 synchronized (this) { 1556 if (mBootCompleted) { 1557 int currentUserId = KeyguardUpdateMonitor.getCurrentUser(); 1558 final UserHandle currentUser = new UserHandle(currentUserId); 1559 final UserManager um = (UserManager) mContext.getSystemService( 1560 Context.USER_SERVICE); 1561 for (int profileId : um.getProfileIdsWithDisabled(currentUser.getIdentifier())) { 1562 mContext.sendBroadcastAsUser(USER_PRESENT_INTENT, UserHandle.of(profileId)); 1563 } 1564 getLockPatternUtils().userPresent(currentUserId); 1565 } else { 1566 mBootSendUserPresent = true; 1567 } 1568 } 1569 } 1570 1571 /** 1572 * @see #keyguardDone 1573 * @see #KEYGUARD_DONE_DRAWING 1574 */ 1575 private void handleKeyguardDoneDrawing() { 1576 Trace.beginSection("KeyguardViewMediator#handleKeyguardDoneDrawing"); 1577 synchronized(this) { 1578 if (DEBUG) Log.d(TAG, "handleKeyguardDoneDrawing"); 1579 if (mWaitingUntilKeyguardVisible) { 1580 if (DEBUG) Log.d(TAG, "handleKeyguardDoneDrawing: notifying mWaitingUntilKeyguardVisible"); 1581 mWaitingUntilKeyguardVisible = false; 1582 notifyAll(); 1583 1584 // there will usually be two of these sent, one as a timeout, and one 1585 // as a result of the callback, so remove any remaining messages from 1586 // the queue 1587 mHandler.removeMessages(KEYGUARD_DONE_DRAWING); 1588 } 1589 } 1590 Trace.endSection(); 1591 } 1592 1593 private void playSounds(boolean locked) { 1594 playSound(locked ? mLockSoundId : mUnlockSoundId); 1595 } 1596 1597 private void playSound(int soundId) { 1598 if (soundId == 0) return; 1599 final ContentResolver cr = mContext.getContentResolver(); 1600 if (Settings.System.getInt(cr, Settings.System.LOCKSCREEN_SOUNDS_ENABLED, 1) == 1) { 1601 1602 mLockSounds.stop(mLockSoundStreamId); 1603 // Init mAudioManager 1604 if (mAudioManager == null) { 1605 mAudioManager = (AudioManager) mContext.getSystemService(Context.AUDIO_SERVICE); 1606 if (mAudioManager == null) return; 1607 mUiSoundsStreamType = mAudioManager.getUiSoundsStreamType(); 1608 } 1609 // If the stream is muted, don't play the sound 1610 if (mAudioManager.isStreamMute(mUiSoundsStreamType)) return; 1611 1612 mLockSoundStreamId = mLockSounds.play(soundId, 1613 mLockSoundVolume, mLockSoundVolume, 1/*priortiy*/, 0/*loop*/, 1.0f/*rate*/); 1614 } 1615 } 1616 1617 private void playTrustedSound() { 1618 playSound(mTrustedSoundId); 1619 } 1620 1621 private void updateActivityLockScreenState() { 1622 Trace.beginSection("KeyguardViewMediator#updateActivityLockScreenState"); 1623 try { 1624 ActivityManagerNative.getDefault().setLockScreenShown(mShowing); 1625 } catch (RemoteException e) { 1626 } 1627 Trace.endSection(); 1628 } 1629 1630 /** 1631 * Handle message sent by {@link #showLocked}. 1632 * @see #SHOW 1633 */ 1634 private void handleShow(Bundle options) { 1635 Trace.beginSection("KeyguardViewMediator#handleShow"); 1636 final int currentUser = KeyguardUpdateMonitor.getCurrentUser(); 1637 if (mLockPatternUtils.isSecure(currentUser)) { 1638 mLockPatternUtils.getDevicePolicyManager().reportKeyguardSecured(currentUser); 1639 } 1640 synchronized (KeyguardViewMediator.this) { 1641 if (!mSystemReady) { 1642 if (DEBUG) Log.d(TAG, "ignoring handleShow because system is not ready."); 1643 return; 1644 } else { 1645 if (DEBUG) Log.d(TAG, "handleShow"); 1646 } 1647 1648 setShowingLocked(true); 1649 mStatusBarKeyguardViewManager.show(options); 1650 mHiding = false; 1651 mWakeAndUnlocking = false; 1652 resetKeyguardDonePendingLocked(); 1653 mHideAnimationRun = false; 1654 adjustStatusBarLocked(); 1655 userActivity(); 1656 1657 mShowKeyguardWakeLock.release(); 1658 } 1659 mKeyguardDisplayManager.show(); 1660 Trace.endSection(); 1661 } 1662 1663 private final Runnable mKeyguardGoingAwayRunnable = new Runnable() { 1664 @Override 1665 public void run() { 1666 Trace.beginSection("KeyguardViewMediator.mKeyGuardGoingAwayRunnable"); 1667 if (DEBUG) Log.d(TAG, "keyguardGoingAway"); 1668 try { 1669 mStatusBarKeyguardViewManager.keyguardGoingAway(); 1670 1671 int flags = 0; 1672 if (mStatusBarKeyguardViewManager.shouldDisableWindowAnimationsForUnlock() 1673 || mWakeAndUnlocking) { 1674 flags |= WindowManagerPolicy.KEYGUARD_GOING_AWAY_FLAG_NO_WINDOW_ANIMATIONS; 1675 } 1676 if (mStatusBarKeyguardViewManager.isGoingToNotificationShade()) { 1677 flags |= WindowManagerPolicy.KEYGUARD_GOING_AWAY_FLAG_TO_SHADE; 1678 } 1679 if (mStatusBarKeyguardViewManager.isUnlockWithWallpaper()) { 1680 flags |= WindowManagerPolicy.KEYGUARD_GOING_AWAY_FLAG_WITH_WALLPAPER; 1681 } 1682 1683 // Don't actually hide the Keyguard at the moment, wait for window 1684 // manager until it tells us it's safe to do so with 1685 // startKeyguardExitAnimation. 1686 ActivityManagerNative.getDefault().keyguardGoingAway(flags); 1687 } catch (RemoteException e) { 1688 Log.e(TAG, "Error while calling WindowManager", e); 1689 } 1690 Trace.endSection(); 1691 } 1692 }; 1693 1694 private final Runnable mHideAnimationFinishedRunnable = () -> { 1695 mHideAnimationRunning = false; 1696 tryKeyguardDone(true); 1697 }; 1698 1699 /** 1700 * Handle message sent by {@link #hideLocked()} 1701 * @see #HIDE 1702 */ 1703 private void handleHide() { 1704 Trace.beginSection("KeyguardViewMediator#handleHide"); 1705 synchronized (KeyguardViewMediator.this) { 1706 if (DEBUG) Log.d(TAG, "handleHide"); 1707 1708 if (mustNotUnlockCurrentUser()) { 1709 // In split system user mode, we never unlock system user. The end user has to 1710 // switch to another user. 1711 // TODO: We should stop it early by disabling the swipe up flow. Right now swipe up 1712 // still completes and makes the screen blank. 1713 if (DEBUG) Log.d(TAG, "Split system user, quit unlocking."); 1714 return; 1715 } 1716 mHiding = true; 1717 1718 if (mShowing && !mOccluded) { 1719 mKeyguardGoingAwayRunnable.run(); 1720 } else { 1721 handleStartKeyguardExitAnimation( 1722 SystemClock.uptimeMillis() + mHideAnimation.getStartOffset(), 1723 mHideAnimation.getDuration()); 1724 } 1725 } 1726 Trace.endSection(); 1727 } 1728 1729 private void handleStartKeyguardExitAnimation(long startTime, long fadeoutDuration) { 1730 Trace.beginSection("KeyguardViewMediator#handleStartKeyguardExitAnimation"); 1731 if (DEBUG) Log.d(TAG, "handleStartKeyguardExitAnimation startTime=" + startTime 1732 + " fadeoutDuration=" + fadeoutDuration); 1733 synchronized (KeyguardViewMediator.this) { 1734 1735 if (!mHiding) { 1736 return; 1737 } 1738 mHiding = false; 1739 1740 if (mWakeAndUnlocking && mDrawnCallback != null) { 1741 1742 // Hack level over 9000: To speed up wake-and-unlock sequence, force it to report 1743 // the next draw from here so we don't have to wait for window manager to signal 1744 // this to our ViewRootImpl. 1745 mStatusBarKeyguardViewManager.getViewRootImpl().setReportNextDraw(); 1746 notifyDrawn(mDrawnCallback); 1747 mDrawnCallback = null; 1748 } 1749 1750 // only play "unlock" noises if not on a call (since the incall UI 1751 // disables the keyguard) 1752 if (TelephonyManager.EXTRA_STATE_IDLE.equals(mPhoneState)) { 1753 playSounds(false); 1754 } 1755 1756 mWakeAndUnlocking = false; 1757 setShowingLocked(false); 1758 mStatusBarKeyguardViewManager.hide(startTime, fadeoutDuration); 1759 resetKeyguardDonePendingLocked(); 1760 mHideAnimationRun = false; 1761 adjustStatusBarLocked(); 1762 sendUserPresentBroadcast(); 1763 } 1764 Trace.endSection(); 1765 } 1766 1767 private void adjustStatusBarLocked() { 1768 if (mStatusBarManager == null) { 1769 mStatusBarManager = (StatusBarManager) 1770 mContext.getSystemService(Context.STATUS_BAR_SERVICE); 1771 } 1772 if (mStatusBarManager == null) { 1773 Log.w(TAG, "Could not get status bar manager"); 1774 } else { 1775 // Disable aspects of the system/status/navigation bars that must not be re-enabled by 1776 // windows that appear on top, ever 1777 int flags = StatusBarManager.DISABLE_NONE; 1778 if (mShowing) { 1779 // Permanently disable components not available when keyguard is enabled 1780 // (like recents). Temporary enable/disable (e.g. the "back" button) are 1781 // done in KeyguardHostView. 1782 flags |= StatusBarManager.DISABLE_RECENT; 1783 flags |= StatusBarManager.DISABLE_SEARCH; 1784 } 1785 if (isShowingAndNotOccluded()) { 1786 flags |= StatusBarManager.DISABLE_HOME; 1787 } 1788 1789 if (DEBUG) { 1790 Log.d(TAG, "adjustStatusBarLocked: mShowing=" + mShowing + " mOccluded=" + mOccluded 1791 + " isSecure=" + isSecure() + " --> flags=0x" + Integer.toHexString(flags)); 1792 } 1793 1794 if (!(mContext instanceof Activity)) { 1795 mStatusBarManager.disable(flags); 1796 } 1797 } 1798 } 1799 1800 /** 1801 * Handle message sent by {@link #resetStateLocked} 1802 * @see #RESET 1803 */ 1804 private void handleReset() { 1805 synchronized (KeyguardViewMediator.this) { 1806 if (DEBUG) Log.d(TAG, "handleReset"); 1807 mStatusBarKeyguardViewManager.reset(true /* hideBouncerWhenShowing */); 1808 } 1809 } 1810 1811 /** 1812 * Handle message sent by {@link #verifyUnlock} 1813 * @see #VERIFY_UNLOCK 1814 */ 1815 private void handleVerifyUnlock() { 1816 Trace.beginSection("KeyguardViewMediator#handleVerifyUnlock"); 1817 synchronized (KeyguardViewMediator.this) { 1818 if (DEBUG) Log.d(TAG, "handleVerifyUnlock"); 1819 setShowingLocked(true); 1820 mStatusBarKeyguardViewManager.dismissAndCollapse(); 1821 } 1822 Trace.endSection(); 1823 } 1824 1825 private void handleNotifyStartedGoingToSleep() { 1826 synchronized (KeyguardViewMediator.this) { 1827 if (DEBUG) Log.d(TAG, "handleNotifyStartedGoingToSleep"); 1828 mStatusBarKeyguardViewManager.onStartedGoingToSleep(); 1829 } 1830 } 1831 1832 /** 1833 * Handle message sent by {@link #notifyFinishedGoingToSleep()} 1834 * @see #NOTIFY_FINISHED_GOING_TO_SLEEP 1835 */ 1836 private void handleNotifyFinishedGoingToSleep() { 1837 synchronized (KeyguardViewMediator.this) { 1838 if (DEBUG) Log.d(TAG, "handleNotifyFinishedGoingToSleep"); 1839 mStatusBarKeyguardViewManager.onFinishedGoingToSleep(); 1840 } 1841 } 1842 1843 private void handleNotifyStartedWakingUp() { 1844 Trace.beginSection("KeyguardViewMediator#handleMotifyStartedWakingUp"); 1845 synchronized (KeyguardViewMediator.this) { 1846 if (DEBUG) Log.d(TAG, "handleNotifyWakingUp"); 1847 mStatusBarKeyguardViewManager.onStartedWakingUp(); 1848 } 1849 Trace.endSection(); 1850 } 1851 1852 private void handleNotifyScreenTurningOn(IKeyguardDrawnCallback callback) { 1853 Trace.beginSection("KeyguardViewMediator#handleNotifyScreenTurningOn"); 1854 synchronized (KeyguardViewMediator.this) { 1855 if (DEBUG) Log.d(TAG, "handleNotifyScreenTurningOn"); 1856 mStatusBarKeyguardViewManager.onScreenTurningOn(); 1857 if (callback != null) { 1858 if (mWakeAndUnlocking) { 1859 mDrawnCallback = callback; 1860 } else { 1861 notifyDrawn(callback); 1862 } 1863 } 1864 } 1865 Trace.endSection(); 1866 } 1867 1868 private void handleNotifyScreenTurnedOn() { 1869 Trace.beginSection("KeyguardViewMediator#handleNotifyScreenTurnedOn"); 1870 if (LatencyTracker.isEnabled(mContext)) { 1871 LatencyTracker.getInstance(mContext).onActionEnd(LatencyTracker.ACTION_TURN_ON_SCREEN); 1872 } 1873 synchronized (this) { 1874 if (DEBUG) Log.d(TAG, "handleNotifyScreenTurnedOn"); 1875 mStatusBarKeyguardViewManager.onScreenTurnedOn(); 1876 } 1877 Trace.endSection(); 1878 } 1879 1880 private void handleNotifyScreenTurnedOff() { 1881 synchronized (this) { 1882 if (DEBUG) Log.d(TAG, "handleNotifyScreenTurnedOff"); 1883 mStatusBarKeyguardViewManager.onScreenTurnedOff(); 1884 mDrawnCallback = null; 1885 mWakeAndUnlocking = false; 1886 } 1887 } 1888 1889 private void notifyDrawn(final IKeyguardDrawnCallback callback) { 1890 Trace.beginSection("KeyguardViewMediator#notifyDrawn"); 1891 try { 1892 callback.onDrawn(); 1893 } catch (RemoteException e) { 1894 Slog.w(TAG, "Exception calling onDrawn():", e); 1895 } 1896 Trace.endSection(); 1897 } 1898 1899 private void resetKeyguardDonePendingLocked() { 1900 mKeyguardDonePending = false; 1901 mHandler.removeMessages(KEYGUARD_DONE_PENDING_TIMEOUT); 1902 } 1903 1904 @Override 1905 public void onBootCompleted() { 1906 mUpdateMonitor.dispatchBootCompleted(); 1907 synchronized (this) { 1908 mBootCompleted = true; 1909 if (mBootSendUserPresent) { 1910 sendUserPresentBroadcast(); 1911 } 1912 } 1913 } 1914 1915 public void onWakeAndUnlocking() { 1916 Trace.beginSection("KeyguardViewMediator#onWakeAndUnlocking"); 1917 mWakeAndUnlocking = true; 1918 keyguardDone(true /* authenticated */); 1919 Trace.endSection(); 1920 } 1921 1922 public StatusBarKeyguardViewManager registerStatusBar(PhoneStatusBar phoneStatusBar, 1923 ViewGroup container, StatusBarWindowManager statusBarWindowManager, 1924 ScrimController scrimController, 1925 FingerprintUnlockController fingerprintUnlockController) { 1926 mStatusBarKeyguardViewManager.registerStatusBar(phoneStatusBar, container, 1927 statusBarWindowManager, scrimController, fingerprintUnlockController); 1928 return mStatusBarKeyguardViewManager; 1929 } 1930 1931 public void startKeyguardExitAnimation(long startTime, long fadeoutDuration) { 1932 Trace.beginSection("KeyguardViewMediator#startKeyguardExitAnimation"); 1933 Message msg = mHandler.obtainMessage(START_KEYGUARD_EXIT_ANIM, 1934 new StartKeyguardExitAnimParams(startTime, fadeoutDuration)); 1935 mHandler.sendMessage(msg); 1936 Trace.endSection(); 1937 } 1938 1939 public ViewMediatorCallback getViewMediatorCallback() { 1940 return mViewMediatorCallback; 1941 } 1942 1943 public LockPatternUtils getLockPatternUtils() { 1944 return mLockPatternUtils; 1945 } 1946 1947 @Override 1948 public void dump(FileDescriptor fd, PrintWriter pw, String[] args) { 1949 pw.print(" mSystemReady: "); pw.println(mSystemReady); 1950 pw.print(" mBootCompleted: "); pw.println(mBootCompleted); 1951 pw.print(" mBootSendUserPresent: "); pw.println(mBootSendUserPresent); 1952 pw.print(" mExternallyEnabled: "); pw.println(mExternallyEnabled); 1953 pw.print(" mNeedToReshowWhenReenabled: "); pw.println(mNeedToReshowWhenReenabled); 1954 pw.print(" mShowing: "); pw.println(mShowing); 1955 pw.print(" mInputRestricted: "); pw.println(mInputRestricted); 1956 pw.print(" mOccluded: "); pw.println(mOccluded); 1957 pw.print(" mDelayedShowingSequence: "); pw.println(mDelayedShowingSequence); 1958 pw.print(" mExitSecureCallback: "); pw.println(mExitSecureCallback); 1959 pw.print(" mDeviceInteractive: "); pw.println(mDeviceInteractive); 1960 pw.print(" mGoingToSleep: "); pw.println(mGoingToSleep); 1961 pw.print(" mHiding: "); pw.println(mHiding); 1962 pw.print(" mWaitingUntilKeyguardVisible: "); pw.println(mWaitingUntilKeyguardVisible); 1963 pw.print(" mKeyguardDonePending: "); pw.println(mKeyguardDonePending); 1964 pw.print(" mHideAnimationRun: "); pw.println(mHideAnimationRun); 1965 pw.print(" mPendingReset: "); pw.println(mPendingReset); 1966 pw.print(" mPendingLock: "); pw.println(mPendingLock); 1967 pw.print(" mWakeAndUnlocking: "); pw.println(mWakeAndUnlocking); 1968 pw.print(" mDrawnCallback: "); pw.println(mDrawnCallback); 1969 } 1970 1971 private static class StartKeyguardExitAnimParams { 1972 1973 long startTime; 1974 long fadeoutDuration; 1975 1976 private StartKeyguardExitAnimParams(long startTime, long fadeoutDuration) { 1977 this.startTime = startTime; 1978 this.fadeoutDuration = fadeoutDuration; 1979 } 1980 } 1981 1982 private void setShowingLocked(boolean showing) { 1983 if (showing != mShowing) { 1984 mShowing = showing; 1985 int size = mKeyguardStateCallbacks.size(); 1986 for (int i = size - 1; i >= 0; i--) { 1987 try { 1988 mKeyguardStateCallbacks.get(i).onShowingStateChanged(showing); 1989 } catch (RemoteException e) { 1990 Slog.w(TAG, "Failed to call onShowingStateChanged", e); 1991 if (e instanceof DeadObjectException) { 1992 mKeyguardStateCallbacks.remove(i); 1993 } 1994 } 1995 } 1996 updateInputRestrictedLocked(); 1997 mTrustManager.reportKeyguardShowingChanged(); 1998 updateActivityLockScreenState(); 1999 } 2000 } 2001 2002 private void notifyTrustedChangedLocked(boolean trusted) { 2003 int size = mKeyguardStateCallbacks.size(); 2004 for (int i = size - 1; i >= 0; i--) { 2005 try { 2006 mKeyguardStateCallbacks.get(i).onTrustedChanged(trusted); 2007 } catch (RemoteException e) { 2008 Slog.w(TAG, "Failed to call notifyTrustedChangedLocked", e); 2009 if (e instanceof DeadObjectException) { 2010 mKeyguardStateCallbacks.remove(i); 2011 } 2012 } 2013 } 2014 } 2015 2016 private void notifyHasLockscreenWallpaperChanged(boolean hasLockscreenWallpaper) { 2017 int size = mKeyguardStateCallbacks.size(); 2018 for (int i = size - 1; i >= 0; i--) { 2019 try { 2020 mKeyguardStateCallbacks.get(i).onHasLockscreenWallpaperChanged( 2021 hasLockscreenWallpaper); 2022 } catch (RemoteException e) { 2023 Slog.w(TAG, "Failed to call onHasLockscreenWallpaperChanged", e); 2024 if (e instanceof DeadObjectException) { 2025 mKeyguardStateCallbacks.remove(i); 2026 } 2027 } 2028 } 2029 } 2030 2031 public void addStateMonitorCallback(IKeyguardStateCallback callback) { 2032 synchronized (this) { 2033 mKeyguardStateCallbacks.add(callback); 2034 try { 2035 callback.onSimSecureStateChanged(mUpdateMonitor.isSimPinSecure()); 2036 callback.onShowingStateChanged(mShowing); 2037 callback.onInputRestrictedStateChanged(mInputRestricted); 2038 callback.onTrustedChanged(mUpdateMonitor.getUserHasTrust( 2039 KeyguardUpdateMonitor.getCurrentUser())); 2040 callback.onHasLockscreenWallpaperChanged(mUpdateMonitor.hasLockscreenWallpaper()); 2041 } catch (RemoteException e) { 2042 Slog.w(TAG, "Failed to call to IKeyguardStateCallback", e); 2043 } 2044 } 2045 } 2046} 2047