KeyguardViewMediator.java revision cb15d66f1c7e0175acdf0c0a71d774e841e0b21b
1/* 2 * Copyright (C) 2014 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License 15 */ 16 17package com.android.systemui.keyguard; 18 19import android.app.Activity; 20import android.app.ActivityManager; 21import android.app.ActivityManagerNative; 22import android.app.AlarmManager; 23import android.app.PendingIntent; 24import android.app.SearchManager; 25import android.app.StatusBarManager; 26import android.app.trust.TrustManager; 27import android.content.BroadcastReceiver; 28import android.content.ContentResolver; 29import android.content.Context; 30import android.content.Intent; 31import android.content.IntentFilter; 32import android.content.pm.UserInfo; 33import android.media.AudioManager; 34import android.media.SoundPool; 35import android.os.Bundle; 36import android.os.DeadObjectException; 37import android.os.Handler; 38import android.os.Looper; 39import android.os.Message; 40import android.os.PowerManager; 41import android.os.RemoteException; 42import android.os.SystemClock; 43import android.os.SystemProperties; 44import android.os.UserHandle; 45import android.os.UserManager; 46import android.provider.Settings; 47import android.telephony.SubscriptionManager; 48import android.telephony.TelephonyManager; 49import android.util.EventLog; 50import android.util.Log; 51import android.util.Slog; 52import android.view.IWindowManager; 53import android.view.ViewGroup; 54import android.view.WindowManagerGlobal; 55import android.view.WindowManagerPolicy; 56import android.view.animation.Animation; 57import android.view.animation.AnimationUtils; 58 59import com.android.internal.policy.IKeyguardDrawnCallback; 60import com.android.internal.policy.IKeyguardExitCallback; 61import com.android.internal.policy.IKeyguardStateCallback; 62import com.android.internal.telephony.IccCardConstants; 63import com.android.internal.widget.LockPatternUtils; 64import com.android.keyguard.KeyguardConstants; 65import com.android.keyguard.KeyguardDisplayManager; 66import com.android.keyguard.KeyguardSecurityView; 67import com.android.keyguard.KeyguardUpdateMonitor; 68import com.android.keyguard.KeyguardUpdateMonitorCallback; 69import com.android.keyguard.ViewMediatorCallback; 70import com.android.systemui.SystemUI; 71import com.android.systemui.classifier.FalsingManager; 72import com.android.systemui.statusbar.phone.FingerprintUnlockController; 73import com.android.systemui.statusbar.phone.PhoneStatusBar; 74import com.android.systemui.statusbar.phone.ScrimController; 75import com.android.systemui.statusbar.phone.StatusBarKeyguardViewManager; 76import com.android.systemui.statusbar.phone.StatusBarWindowManager; 77 78import java.io.FileDescriptor; 79import java.io.PrintWriter; 80import java.util.ArrayList; 81import java.util.List; 82 83import static android.provider.Settings.System.SCREEN_OFF_TIMEOUT; 84 85/** 86 * Mediates requests related to the keyguard. This includes queries about the 87 * state of the keyguard, power management events that effect whether the keyguard 88 * should be shown or reset, callbacks to the phone window manager to notify 89 * it of when the keyguard is showing, and events from the keyguard view itself 90 * stating that the keyguard was succesfully unlocked. 91 * 92 * Note that the keyguard view is shown when the screen is off (as appropriate) 93 * so that once the screen comes on, it will be ready immediately. 94 * 95 * Example queries about the keyguard: 96 * - is {movement, key} one that should wake the keygaurd? 97 * - is the keyguard showing? 98 * - are input events restricted due to the state of the keyguard? 99 * 100 * Callbacks to the phone window manager: 101 * - the keyguard is showing 102 * 103 * Example external events that translate to keyguard view changes: 104 * - screen turned off -> reset the keyguard, and show it so it will be ready 105 * next time the screen turns on 106 * - keyboard is slid open -> if the keyguard is not secure, hide it 107 * 108 * Events from the keyguard view: 109 * - user succesfully unlocked keyguard -> hide keyguard view, and no longer 110 * restrict input events. 111 * 112 * Note: in addition to normal power managment events that effect the state of 113 * whether the keyguard should be showing, external apps and services may request 114 * that the keyguard be disabled via {@link #setKeyguardEnabled(boolean)}. When 115 * false, this will override all other conditions for turning on the keyguard. 116 * 117 * Threading and synchronization: 118 * This class is created by the initialization routine of the {@link android.view.WindowManagerPolicy}, 119 * and runs on its thread. The keyguard UI is created from that thread in the 120 * constructor of this class. The apis may be called from other threads, including the 121 * {@link com.android.server.input.InputManagerService}'s and {@link android.view.WindowManager}'s. 122 * Therefore, methods on this class are synchronized, and any action that is pointed 123 * directly to the keyguard UI is posted to a {@link android.os.Handler} to ensure it is taken on the UI 124 * thread of the keyguard. 125 */ 126public class KeyguardViewMediator extends SystemUI { 127 private static final int KEYGUARD_DISPLAY_TIMEOUT_DELAY_DEFAULT = 30000; 128 private static final long KEYGUARD_DONE_PENDING_TIMEOUT_MS = 3000; 129 130 private static final boolean DEBUG = KeyguardConstants.DEBUG; 131 private static final boolean DEBUG_SIM_STATES = KeyguardConstants.DEBUG_SIM_STATES; 132 private final static boolean DBG_WAKE = false; 133 134 private final static String TAG = "KeyguardViewMediator"; 135 136 private static final String DELAYED_KEYGUARD_ACTION = 137 "com.android.internal.policy.impl.PhoneWindowManager.DELAYED_KEYGUARD"; 138 139 // used for handler messages 140 private static final int SHOW = 2; 141 private static final int HIDE = 3; 142 private static final int RESET = 4; 143 private static final int VERIFY_UNLOCK = 5; 144 private static final int NOTIFY_FINISHED_GOING_TO_SLEEP = 6; 145 private static final int NOTIFY_SCREEN_TURNING_ON = 7; 146 private static final int KEYGUARD_DONE = 9; 147 private static final int KEYGUARD_DONE_DRAWING = 10; 148 private static final int KEYGUARD_DONE_AUTHENTICATING = 11; 149 private static final int SET_OCCLUDED = 12; 150 private static final int KEYGUARD_TIMEOUT = 13; 151 private static final int DISMISS = 17; 152 private static final int START_KEYGUARD_EXIT_ANIM = 18; 153 private static final int ON_ACTIVITY_DRAWN = 19; 154 private static final int KEYGUARD_DONE_PENDING_TIMEOUT = 20; 155 private static final int NOTIFY_STARTED_WAKING_UP = 21; 156 private static final int NOTIFY_SCREEN_TURNED_ON = 22; 157 private static final int NOTIFY_SCREEN_TURNED_OFF = 23; 158 private static final int NOTIFY_STARTED_GOING_TO_SLEEP = 24; 159 160 /** 161 * The default amount of time we stay awake (used for all key input) 162 */ 163 public static final int AWAKE_INTERVAL_DEFAULT_MS = 10000; 164 165 /** 166 * How long to wait after the screen turns off due to timeout before 167 * turning on the keyguard (i.e, the user has this much time to turn 168 * the screen back on without having to face the keyguard). 169 */ 170 private static final int KEYGUARD_LOCK_AFTER_DELAY_DEFAULT = 5000; 171 172 /** 173 * How long we'll wait for the {@link ViewMediatorCallback#keyguardDoneDrawing()} 174 * callback before unblocking a call to {@link #setKeyguardEnabled(boolean)} 175 * that is reenabling the keyguard. 176 */ 177 private static final int KEYGUARD_DONE_DRAWING_TIMEOUT_MS = 2000; 178 179 /** 180 * Secure setting whether analytics are collected on the keyguard. 181 */ 182 private static final String KEYGUARD_ANALYTICS_SETTING = "keyguard_analytics"; 183 184 /** The stream type that the lock sounds are tied to. */ 185 private int mUiSoundsStreamType; 186 187 private AlarmManager mAlarmManager; 188 private AudioManager mAudioManager; 189 private StatusBarManager mStatusBarManager; 190 private boolean mSwitchingUser; 191 192 private boolean mSystemReady; 193 private boolean mBootCompleted; 194 private boolean mBootSendUserPresent; 195 196 /** High level access to the power manager for WakeLocks */ 197 private PowerManager mPM; 198 199 /** High level access to the window manager for dismissing keyguard animation */ 200 private IWindowManager mWM; 201 202 203 /** TrustManager for letting it know when we change visibility */ 204 private TrustManager mTrustManager; 205 206 /** SearchManager for determining whether or not search assistant is available */ 207 private SearchManager mSearchManager; 208 209 /** 210 * Used to keep the device awake while to ensure the keyguard finishes opening before 211 * we sleep. 212 */ 213 private PowerManager.WakeLock mShowKeyguardWakeLock; 214 215 private StatusBarKeyguardViewManager mStatusBarKeyguardViewManager; 216 217 // these are protected by synchronized (this) 218 219 /** 220 * External apps (like the phone app) can tell us to disable the keygaurd. 221 */ 222 private boolean mExternallyEnabled = true; 223 224 /** 225 * Remember if an external call to {@link #setKeyguardEnabled} with value 226 * false caused us to hide the keyguard, so that we need to reshow it once 227 * the keygaurd is reenabled with another call with value true. 228 */ 229 private boolean mNeedToReshowWhenReenabled = false; 230 231 // cached value of whether we are showing (need to know this to quickly 232 // answer whether the input should be restricted) 233 private boolean mShowing; 234 235 /** Cached value of #isInputRestricted */ 236 private boolean mInputRestricted; 237 238 // true if the keyguard is hidden by another window 239 private boolean mOccluded = false; 240 241 /** 242 * Helps remember whether the screen has turned on since the last time 243 * it turned off due to timeout. see {@link #onScreenTurnedOff(int)} 244 */ 245 private int mDelayedShowingSequence; 246 247 /** 248 * If the user has disabled the keyguard, then requests to exit, this is 249 * how we'll ultimately let them know whether it was successful. We use this 250 * var being non-null as an indicator that there is an in progress request. 251 */ 252 private IKeyguardExitCallback mExitSecureCallback; 253 254 // the properties of the keyguard 255 256 private KeyguardUpdateMonitor mUpdateMonitor; 257 258 private boolean mDeviceInteractive; 259 private boolean mGoingToSleep; 260 261 // last known state of the cellular connection 262 private String mPhoneState = TelephonyManager.EXTRA_STATE_IDLE; 263 264 /** 265 * Whether a hide is pending an we are just waiting for #startKeyguardExitAnimation to be 266 * called. 267 * */ 268 private boolean mHiding; 269 270 /** 271 * we send this intent when the keyguard is dismissed. 272 */ 273 private static final Intent USER_PRESENT_INTENT = new Intent(Intent.ACTION_USER_PRESENT) 274 .addFlags(Intent.FLAG_RECEIVER_REPLACE_PENDING 275 | Intent.FLAG_RECEIVER_REGISTERED_ONLY_BEFORE_BOOT); 276 277 /** 278 * {@link #setKeyguardEnabled} waits on this condition when it reenables 279 * the keyguard. 280 */ 281 private boolean mWaitingUntilKeyguardVisible = false; 282 private LockPatternUtils mLockPatternUtils; 283 private boolean mKeyguardDonePending = false; 284 private boolean mHideAnimationRun = false; 285 286 private SoundPool mLockSounds; 287 private int mLockSoundId; 288 private int mUnlockSoundId; 289 private int mTrustedSoundId; 290 private int mLockSoundStreamId; 291 292 /** 293 * The animation used for hiding keyguard. This is used to fetch the animation timings if 294 * WindowManager is not providing us with them. 295 */ 296 private Animation mHideAnimation; 297 298 /** 299 * The volume applied to the lock/unlock sounds. 300 */ 301 private float mLockSoundVolume; 302 303 /** 304 * For managing external displays 305 */ 306 private KeyguardDisplayManager mKeyguardDisplayManager; 307 308 private final ArrayList<IKeyguardStateCallback> mKeyguardStateCallbacks = new ArrayList<>(); 309 310 /** 311 * When starting going to sleep, we figured out that we need to reset Keyguard state and this 312 * should be committed when finished going to sleep. 313 */ 314 private boolean mPendingReset; 315 316 /** 317 * When starting going to sleep, we figured out that we need to lock Keyguard and this should be 318 * committed when finished going to sleep. 319 */ 320 private boolean mPendingLock; 321 322 private boolean mWakeAndUnlocking; 323 private IKeyguardDrawnCallback mDrawnCallback; 324 325 KeyguardUpdateMonitorCallback mUpdateCallback = new KeyguardUpdateMonitorCallback() { 326 327 @Override 328 public void onUserSwitching(int userId) { 329 // Note that the mLockPatternUtils user has already been updated from setCurrentUser. 330 // We need to force a reset of the views, since lockNow (called by 331 // ActivityManagerService) will not reconstruct the keyguard if it is already showing. 332 synchronized (KeyguardViewMediator.this) { 333 mSwitchingUser = true; 334 resetKeyguardDonePendingLocked(); 335 resetStateLocked(); 336 adjustStatusBarLocked(); 337 } 338 } 339 340 @Override 341 public void onUserSwitchComplete(int userId) { 342 mSwitchingUser = false; 343 if (userId != UserHandle.USER_SYSTEM) { 344 UserInfo info = UserManager.get(mContext).getUserInfo(userId); 345 if (info != null && info.isGuest()) { 346 // If we just switched to a guest, try to dismiss keyguard. 347 dismiss(); 348 } 349 } 350 } 351 352 @Override 353 public void onUserInfoChanged(int userId) { 354 } 355 356 @Override 357 public void onPhoneStateChanged(int phoneState) { 358 synchronized (KeyguardViewMediator.this) { 359 if (TelephonyManager.CALL_STATE_IDLE == phoneState // call ending 360 && !mDeviceInteractive // screen off 361 && mExternallyEnabled) { // not disabled by any app 362 363 // note: this is a way to gracefully reenable the keyguard when the call 364 // ends and the screen is off without always reenabling the keyguard 365 // each time the screen turns off while in call (and having an occasional ugly 366 // flicker while turning back on the screen and disabling the keyguard again). 367 if (DEBUG) Log.d(TAG, "screen is off and call ended, let's make sure the " 368 + "keyguard is showing"); 369 doKeyguardLocked(null); 370 } 371 } 372 } 373 374 @Override 375 public void onClockVisibilityChanged() { 376 adjustStatusBarLocked(); 377 } 378 379 @Override 380 public void onDeviceProvisioned() { 381 sendUserPresentBroadcast(); 382 synchronized (KeyguardViewMediator.this) { 383 // If system user is provisioned, we might want to lock now to avoid showing launcher 384 if (UserManager.isSplitSystemUser() 385 && KeyguardUpdateMonitor.getCurrentUser() == UserHandle.USER_SYSTEM) { 386 doKeyguardLocked(null); 387 } 388 } 389 } 390 391 @Override 392 public void onSimStateChanged(int subId, int slotId, IccCardConstants.State simState) { 393 394 if (DEBUG_SIM_STATES) { 395 Log.d(TAG, "onSimStateChanged(subId=" + subId + ", slotId=" + slotId 396 + ",state=" + simState + ")"); 397 } 398 399 int size = mKeyguardStateCallbacks.size(); 400 boolean simPinSecure = mUpdateMonitor.isSimPinSecure(); 401 for (int i = size - 1; i >= 0; i--) { 402 try { 403 mKeyguardStateCallbacks.get(i).onSimSecureStateChanged(simPinSecure); 404 } catch (RemoteException e) { 405 Slog.w(TAG, "Failed to call onSimSecureStateChanged", e); 406 if (e instanceof DeadObjectException) { 407 mKeyguardStateCallbacks.remove(i); 408 } 409 } 410 } 411 412 switch (simState) { 413 case NOT_READY: 414 case ABSENT: 415 // only force lock screen in case of missing sim if user hasn't 416 // gone through setup wizard 417 synchronized (this) { 418 if (shouldWaitForProvisioning()) { 419 if (!mShowing) { 420 if (DEBUG_SIM_STATES) Log.d(TAG, "ICC_ABSENT isn't showing," 421 + " we need to show the keyguard since the " 422 + "device isn't provisioned yet."); 423 doKeyguardLocked(null); 424 } else { 425 resetStateLocked(); 426 } 427 } 428 } 429 break; 430 case PIN_REQUIRED: 431 case PUK_REQUIRED: 432 synchronized (this) { 433 if (!mShowing) { 434 if (DEBUG_SIM_STATES) Log.d(TAG, 435 "INTENT_VALUE_ICC_LOCKED and keygaurd isn't " 436 + "showing; need to show keyguard so user can enter sim pin"); 437 doKeyguardLocked(null); 438 } else { 439 resetStateLocked(); 440 } 441 } 442 break; 443 case PERM_DISABLED: 444 synchronized (this) { 445 if (!mShowing) { 446 if (DEBUG_SIM_STATES) Log.d(TAG, "PERM_DISABLED and " 447 + "keygaurd isn't showing."); 448 doKeyguardLocked(null); 449 } else { 450 if (DEBUG_SIM_STATES) Log.d(TAG, "PERM_DISABLED, resetStateLocked to" 451 + "show permanently disabled message in lockscreen."); 452 resetStateLocked(); 453 } 454 } 455 break; 456 case READY: 457 synchronized (this) { 458 if (mShowing) { 459 resetStateLocked(); 460 } 461 } 462 break; 463 default: 464 if (DEBUG_SIM_STATES) Log.v(TAG, "Ignoring state: " + simState); 465 break; 466 } 467 } 468 }; 469 470 ViewMediatorCallback mViewMediatorCallback = new ViewMediatorCallback() { 471 472 public void userActivity() { 473 KeyguardViewMediator.this.userActivity(); 474 } 475 476 public void keyguardDone(boolean strongAuth) { 477 if (!mKeyguardDonePending) { 478 KeyguardViewMediator.this.keyguardDone(true /* authenticated */); 479 } 480 if (strongAuth) { 481 mUpdateMonitor.reportSuccessfulStrongAuthUnlockAttempt(); 482 } 483 } 484 485 public void keyguardDoneDrawing() { 486 mHandler.sendEmptyMessage(KEYGUARD_DONE_DRAWING); 487 } 488 489 @Override 490 public void setNeedsInput(boolean needsInput) { 491 mStatusBarKeyguardViewManager.setNeedsInput(needsInput); 492 } 493 494 @Override 495 public void keyguardDonePending(boolean strongAuth) { 496 mKeyguardDonePending = true; 497 mHideAnimationRun = true; 498 mStatusBarKeyguardViewManager.startPreHideAnimation(null /* finishRunnable */); 499 mHandler.sendEmptyMessageDelayed(KEYGUARD_DONE_PENDING_TIMEOUT, 500 KEYGUARD_DONE_PENDING_TIMEOUT_MS); 501 if (strongAuth) { 502 mUpdateMonitor.reportSuccessfulStrongAuthUnlockAttempt(); 503 } 504 } 505 506 @Override 507 public void keyguardGone() { 508 mKeyguardDisplayManager.hide(); 509 } 510 511 @Override 512 public void readyForKeyguardDone() { 513 if (mKeyguardDonePending) { 514 // Somebody has called keyguardDonePending before, which means that we are 515 // authenticated 516 KeyguardViewMediator.this.keyguardDone(true /* authenticated */); 517 } 518 } 519 520 @Override 521 public void resetKeyguard() { 522 resetStateLocked(); 523 } 524 525 @Override 526 public void playTrustedSound() { 527 KeyguardViewMediator.this.playTrustedSound(); 528 } 529 530 @Override 531 public boolean isInputRestricted() { 532 return KeyguardViewMediator.this.isInputRestricted(); 533 } 534 535 @Override 536 public boolean isScreenOn() { 537 return mDeviceInteractive; 538 } 539 540 @Override 541 public int getBouncerPromptReason() { 542 int currentUser = ActivityManager.getCurrentUser(); 543 if ((mUpdateMonitor.getUserTrustIsManaged(currentUser) 544 || mUpdateMonitor.isUnlockWithFingerprintPossible(currentUser)) 545 && !mUpdateMonitor.getStrongAuthTracker().hasUserAuthenticatedSinceBoot()) { 546 return KeyguardSecurityView.PROMPT_REASON_RESTART; 547 } else if (mUpdateMonitor.isUnlockWithFingerprintPossible(currentUser) 548 && mUpdateMonitor.hasFingerprintUnlockTimedOut(currentUser)) { 549 return KeyguardSecurityView.PROMPT_REASON_TIMEOUT; 550 } 551 return KeyguardSecurityView.PROMPT_REASON_NONE; 552 } 553 }; 554 555 public void userActivity() { 556 mPM.userActivity(SystemClock.uptimeMillis(), false); 557 } 558 559 private void setupLocked() { 560 mPM = (PowerManager) mContext.getSystemService(Context.POWER_SERVICE); 561 mWM = WindowManagerGlobal.getWindowManagerService(); 562 mTrustManager = (TrustManager) mContext.getSystemService(Context.TRUST_SERVICE); 563 564 mShowKeyguardWakeLock = mPM.newWakeLock(PowerManager.PARTIAL_WAKE_LOCK, "show keyguard"); 565 mShowKeyguardWakeLock.setReferenceCounted(false); 566 567 mContext.registerReceiver(mBroadcastReceiver, new IntentFilter(DELAYED_KEYGUARD_ACTION)); 568 569 mKeyguardDisplayManager = new KeyguardDisplayManager(mContext); 570 571 mAlarmManager = (AlarmManager) mContext.getSystemService(Context.ALARM_SERVICE); 572 573 mUpdateMonitor = KeyguardUpdateMonitor.getInstance(mContext); 574 575 mLockPatternUtils = new LockPatternUtils(mContext); 576 KeyguardUpdateMonitor.setCurrentUser(ActivityManager.getCurrentUser()); 577 578 // Assume keyguard is showing (unless it's disabled) until we know for sure... 579 setShowingLocked(!shouldWaitForProvisioning() && !mLockPatternUtils.isLockScreenDisabled( 580 KeyguardUpdateMonitor.getCurrentUser())); 581 updateInputRestrictedLocked(); 582 mTrustManager.reportKeyguardShowingChanged(); 583 584 mStatusBarKeyguardViewManager = new StatusBarKeyguardViewManager(mContext, 585 mViewMediatorCallback, mLockPatternUtils); 586 final ContentResolver cr = mContext.getContentResolver(); 587 588 mDeviceInteractive = mPM.isInteractive(); 589 590 mLockSounds = new SoundPool(1, AudioManager.STREAM_SYSTEM, 0); 591 String soundPath = Settings.Global.getString(cr, Settings.Global.LOCK_SOUND); 592 if (soundPath != null) { 593 mLockSoundId = mLockSounds.load(soundPath, 1); 594 } 595 if (soundPath == null || mLockSoundId == 0) { 596 Log.w(TAG, "failed to load lock sound from " + soundPath); 597 } 598 soundPath = Settings.Global.getString(cr, Settings.Global.UNLOCK_SOUND); 599 if (soundPath != null) { 600 mUnlockSoundId = mLockSounds.load(soundPath, 1); 601 } 602 if (soundPath == null || mUnlockSoundId == 0) { 603 Log.w(TAG, "failed to load unlock sound from " + soundPath); 604 } 605 soundPath = Settings.Global.getString(cr, Settings.Global.TRUSTED_SOUND); 606 if (soundPath != null) { 607 mTrustedSoundId = mLockSounds.load(soundPath, 1); 608 } 609 if (soundPath == null || mTrustedSoundId == 0) { 610 Log.w(TAG, "failed to load trusted sound from " + soundPath); 611 } 612 613 int lockSoundDefaultAttenuation = mContext.getResources().getInteger( 614 com.android.internal.R.integer.config_lockSoundVolumeDb); 615 mLockSoundVolume = (float)Math.pow(10, (float)lockSoundDefaultAttenuation/20); 616 617 mHideAnimation = AnimationUtils.loadAnimation(mContext, 618 com.android.internal.R.anim.lock_screen_behind_enter); 619 } 620 621 @Override 622 public void start() { 623 synchronized (this) { 624 setupLocked(); 625 } 626 putComponent(KeyguardViewMediator.class, this); 627 } 628 629 /** 630 * Let us know that the system is ready after startup. 631 */ 632 public void onSystemReady() { 633 mSearchManager = (SearchManager) mContext.getSystemService(Context.SEARCH_SERVICE); 634 synchronized (this) { 635 if (DEBUG) Log.d(TAG, "onSystemReady"); 636 mSystemReady = true; 637 doKeyguardLocked(null); 638 mUpdateMonitor.registerCallback(mUpdateCallback); 639 } 640 // Most services aren't available until the system reaches the ready state, so we 641 // send it here when the device first boots. 642 maybeSendUserPresentBroadcast(); 643 } 644 645 /** 646 * Called to let us know the screen was turned off. 647 * @param why either {@link android.view.WindowManagerPolicy#OFF_BECAUSE_OF_USER} or 648 * {@link android.view.WindowManagerPolicy#OFF_BECAUSE_OF_TIMEOUT}. 649 */ 650 public void onStartedGoingToSleep(int why) { 651 if (DEBUG) Log.d(TAG, "onStartedGoingToSleep(" + why + ")"); 652 synchronized (this) { 653 mDeviceInteractive = false; 654 mGoingToSleep = true; 655 656 // Lock immediately based on setting if secure (user has a pin/pattern/password). 657 // This also "locks" the device when not secure to provide easy access to the 658 // camera while preventing unwanted input. 659 int currentUser = KeyguardUpdateMonitor.getCurrentUser(); 660 final boolean lockImmediately = 661 mLockPatternUtils.getPowerButtonInstantlyLocks(currentUser) 662 || !mLockPatternUtils.isSecure(currentUser); 663 long timeout = getLockTimeout(); 664 665 if (mExitSecureCallback != null) { 666 if (DEBUG) Log.d(TAG, "pending exit secure callback cancelled"); 667 try { 668 mExitSecureCallback.onKeyguardExitResult(false); 669 } catch (RemoteException e) { 670 Slog.w(TAG, "Failed to call onKeyguardExitResult(false)", e); 671 } 672 mExitSecureCallback = null; 673 if (!mExternallyEnabled) { 674 hideLocked(); 675 } 676 } else if (mShowing) { 677 mPendingReset = true; 678 } else if ((why == WindowManagerPolicy.OFF_BECAUSE_OF_TIMEOUT && timeout > 0) 679 || (why == WindowManagerPolicy.OFF_BECAUSE_OF_USER && !lockImmediately)) { 680 doKeyguardLaterLocked(timeout); 681 } else if (!mLockPatternUtils.isLockScreenDisabled(currentUser)) { 682 mPendingLock = true; 683 } 684 685 if (mPendingLock) { 686 playSounds(true); 687 } 688 } 689 KeyguardUpdateMonitor.getInstance(mContext).dispatchStartedGoingToSleep(why); 690 notifyStartedGoingToSleep(); 691 } 692 693 public void onFinishedGoingToSleep(int why) { 694 if (DEBUG) Log.d(TAG, "onFinishedGoingToSleep(" + why + ")"); 695 synchronized (this) { 696 mDeviceInteractive = false; 697 mGoingToSleep = false; 698 699 resetKeyguardDonePendingLocked(); 700 mHideAnimationRun = false; 701 702 notifyFinishedGoingToSleep(); 703 704 if (mPendingReset) { 705 resetStateLocked(); 706 mPendingReset = false; 707 } 708 if (mPendingLock) { 709 doKeyguardLocked(null); 710 mPendingLock = false; 711 } 712 } 713 KeyguardUpdateMonitor.getInstance(mContext).dispatchFinishedGoingToSleep(why); 714 } 715 716 private long getLockTimeout() { 717 // if the screen turned off because of timeout or the user hit the power button 718 // and we don't need to lock immediately, set an alarm 719 // to enable it a little bit later (i.e, give the user a chance 720 // to turn the screen back on within a certain window without 721 // having to unlock the screen) 722 final ContentResolver cr = mContext.getContentResolver(); 723 724 // From DisplaySettings 725 long displayTimeout = Settings.System.getInt(cr, SCREEN_OFF_TIMEOUT, 726 KEYGUARD_DISPLAY_TIMEOUT_DELAY_DEFAULT); 727 728 // From SecuritySettings 729 final long lockAfterTimeout = Settings.Secure.getInt(cr, 730 Settings.Secure.LOCK_SCREEN_LOCK_AFTER_TIMEOUT, 731 KEYGUARD_LOCK_AFTER_DELAY_DEFAULT); 732 733 // From DevicePolicyAdmin 734 final long policyTimeout = mLockPatternUtils.getDevicePolicyManager() 735 .getMaximumTimeToLock(null, KeyguardUpdateMonitor.getCurrentUser()); 736 737 long timeout; 738 if (policyTimeout > 0) { 739 // policy in effect. Make sure we don't go beyond policy limit. 740 displayTimeout = Math.max(displayTimeout, 0); // ignore negative values 741 timeout = Math.min(policyTimeout - displayTimeout, lockAfterTimeout); 742 } else { 743 timeout = lockAfterTimeout; 744 } 745 return timeout; 746 } 747 748 private void doKeyguardLaterLocked() { 749 long timeout = getLockTimeout(); 750 if (timeout == 0) { 751 doKeyguardLocked(null); 752 } else { 753 doKeyguardLaterLocked(timeout); 754 } 755 } 756 757 private void doKeyguardLaterLocked(long timeout) { 758 // Lock in the future 759 long when = SystemClock.elapsedRealtime() + timeout; 760 Intent intent = new Intent(DELAYED_KEYGUARD_ACTION); 761 intent.putExtra("seq", mDelayedShowingSequence); 762 PendingIntent sender = PendingIntent.getBroadcast(mContext, 763 0, intent, PendingIntent.FLAG_CANCEL_CURRENT); 764 mAlarmManager.set(AlarmManager.ELAPSED_REALTIME_WAKEUP, when, sender); 765 if (DEBUG) Log.d(TAG, "setting alarm to turn off keyguard, seq = " 766 + mDelayedShowingSequence); 767 } 768 769 private void cancelDoKeyguardLaterLocked() { 770 mDelayedShowingSequence++; 771 } 772 773 /** 774 * Let's us know when the device is waking up. 775 */ 776 public void onStartedWakingUp() { 777 778 // TODO: Rename all screen off/on references to interactive/sleeping 779 synchronized (this) { 780 mDeviceInteractive = true; 781 cancelDoKeyguardLaterLocked(); 782 if (DEBUG) Log.d(TAG, "onStartedWakingUp, seq = " + mDelayedShowingSequence); 783 notifyStartedWakingUp(); 784 } 785 KeyguardUpdateMonitor.getInstance(mContext).dispatchStartedWakingUp(); 786 maybeSendUserPresentBroadcast(); 787 } 788 789 public void onScreenTurningOn(IKeyguardDrawnCallback callback) { 790 notifyScreenOn(callback); 791 } 792 793 public void onScreenTurnedOn() { 794 notifyScreenTurnedOn(); 795 mUpdateMonitor.dispatchScreenTurnedOn(); 796 } 797 798 public void onScreenTurnedOff() { 799 notifyScreenTurnedOff(); 800 mUpdateMonitor.dispatchScreenTurnedOff(); 801 } 802 803 private void maybeSendUserPresentBroadcast() { 804 if (mSystemReady && mLockPatternUtils.isLockScreenDisabled( 805 KeyguardUpdateMonitor.getCurrentUser())) { 806 // Lock screen is disabled because the user has set the preference to "None". 807 // In this case, send out ACTION_USER_PRESENT here instead of in 808 // handleKeyguardDone() 809 sendUserPresentBroadcast(); 810 } 811 } 812 813 /** 814 * A dream started. We should lock after the usual screen-off lock timeout but only 815 * if there is a secure lock pattern. 816 */ 817 public void onDreamingStarted() { 818 synchronized (this) { 819 if (mDeviceInteractive 820 && mLockPatternUtils.isSecure(KeyguardUpdateMonitor.getCurrentUser())) { 821 doKeyguardLaterLocked(); 822 } 823 } 824 } 825 826 /** 827 * A dream stopped. 828 */ 829 public void onDreamingStopped() { 830 synchronized (this) { 831 if (mDeviceInteractive) { 832 cancelDoKeyguardLaterLocked(); 833 } 834 } 835 } 836 837 /** 838 * Same semantics as {@link android.view.WindowManagerPolicy#enableKeyguard}; provide 839 * a way for external stuff to override normal keyguard behavior. For instance 840 * the phone app disables the keyguard when it receives incoming calls. 841 */ 842 public void setKeyguardEnabled(boolean enabled) { 843 synchronized (this) { 844 if (DEBUG) Log.d(TAG, "setKeyguardEnabled(" + enabled + ")"); 845 846 mExternallyEnabled = enabled; 847 848 if (!enabled && mShowing) { 849 if (mExitSecureCallback != null) { 850 if (DEBUG) Log.d(TAG, "in process of verifyUnlock request, ignoring"); 851 // we're in the process of handling a request to verify the user 852 // can get past the keyguard. ignore extraneous requests to disable / reenable 853 return; 854 } 855 856 // hiding keyguard that is showing, remember to reshow later 857 if (DEBUG) Log.d(TAG, "remembering to reshow, hiding keyguard, " 858 + "disabling status bar expansion"); 859 mNeedToReshowWhenReenabled = true; 860 updateInputRestrictedLocked(); 861 hideLocked(); 862 } else if (enabled && mNeedToReshowWhenReenabled) { 863 // reenabled after previously hidden, reshow 864 if (DEBUG) Log.d(TAG, "previously hidden, reshowing, reenabling " 865 + "status bar expansion"); 866 mNeedToReshowWhenReenabled = false; 867 updateInputRestrictedLocked(); 868 869 if (mExitSecureCallback != null) { 870 if (DEBUG) Log.d(TAG, "onKeyguardExitResult(false), resetting"); 871 try { 872 mExitSecureCallback.onKeyguardExitResult(false); 873 } catch (RemoteException e) { 874 Slog.w(TAG, "Failed to call onKeyguardExitResult(false)", e); 875 } 876 mExitSecureCallback = null; 877 resetStateLocked(); 878 } else { 879 showLocked(null); 880 881 // block until we know the keygaurd is done drawing (and post a message 882 // to unblock us after a timeout so we don't risk blocking too long 883 // and causing an ANR). 884 mWaitingUntilKeyguardVisible = true; 885 mHandler.sendEmptyMessageDelayed(KEYGUARD_DONE_DRAWING, KEYGUARD_DONE_DRAWING_TIMEOUT_MS); 886 if (DEBUG) Log.d(TAG, "waiting until mWaitingUntilKeyguardVisible is false"); 887 while (mWaitingUntilKeyguardVisible) { 888 try { 889 wait(); 890 } catch (InterruptedException e) { 891 Thread.currentThread().interrupt(); 892 } 893 } 894 if (DEBUG) Log.d(TAG, "done waiting for mWaitingUntilKeyguardVisible"); 895 } 896 } 897 } 898 } 899 900 /** 901 * @see android.app.KeyguardManager#exitKeyguardSecurely 902 */ 903 public void verifyUnlock(IKeyguardExitCallback callback) { 904 synchronized (this) { 905 if (DEBUG) Log.d(TAG, "verifyUnlock"); 906 if (shouldWaitForProvisioning()) { 907 // don't allow this api when the device isn't provisioned 908 if (DEBUG) Log.d(TAG, "ignoring because device isn't provisioned"); 909 try { 910 callback.onKeyguardExitResult(false); 911 } catch (RemoteException e) { 912 Slog.w(TAG, "Failed to call onKeyguardExitResult(false)", e); 913 } 914 } else if (mExternallyEnabled) { 915 // this only applies when the user has externally disabled the 916 // keyguard. this is unexpected and means the user is not 917 // using the api properly. 918 Log.w(TAG, "verifyUnlock called when not externally disabled"); 919 try { 920 callback.onKeyguardExitResult(false); 921 } catch (RemoteException e) { 922 Slog.w(TAG, "Failed to call onKeyguardExitResult(false)", e); 923 } 924 } else if (mExitSecureCallback != null) { 925 // already in progress with someone else 926 try { 927 callback.onKeyguardExitResult(false); 928 } catch (RemoteException e) { 929 Slog.w(TAG, "Failed to call onKeyguardExitResult(false)", e); 930 } 931 } else if (!isSecure()) { 932 933 // Keyguard is not secure, no need to do anything, and we don't need to reshow 934 // the Keyguard after the client releases the Keyguard lock. 935 mExternallyEnabled = true; 936 mNeedToReshowWhenReenabled = false; 937 updateInputRestricted(); 938 try { 939 callback.onKeyguardExitResult(true); 940 } catch (RemoteException e) { 941 Slog.w(TAG, "Failed to call onKeyguardExitResult(false)", e); 942 } 943 } else { 944 945 // Since we prevent apps from hiding the Keyguard if we are secure, this should be 946 // a no-op as well. 947 try { 948 callback.onKeyguardExitResult(false); 949 } catch (RemoteException e) { 950 Slog.w(TAG, "Failed to call onKeyguardExitResult(false)", e); 951 } 952 } 953 } 954 } 955 956 /** 957 * Is the keyguard currently showing and not being force hidden? 958 */ 959 public boolean isShowingAndNotOccluded() { 960 return mShowing && !mOccluded; 961 } 962 963 /** 964 * Notify us when the keyguard is occluded by another window 965 */ 966 public void setOccluded(boolean isOccluded) { 967 if (DEBUG) Log.d(TAG, "setOccluded " + isOccluded); 968 mHandler.removeMessages(SET_OCCLUDED); 969 Message msg = mHandler.obtainMessage(SET_OCCLUDED, (isOccluded ? 1 : 0), 0); 970 mHandler.sendMessage(msg); 971 } 972 973 /** 974 * Handles SET_OCCLUDED message sent by setOccluded() 975 */ 976 private void handleSetOccluded(boolean isOccluded) { 977 synchronized (KeyguardViewMediator.this) { 978 if (mHiding && isOccluded) { 979 // We're in the process of going away but WindowManager wants to show a 980 // SHOW_WHEN_LOCKED activity instead. 981 startKeyguardExitAnimation(0, 0); 982 } 983 984 if (mOccluded != isOccluded) { 985 mOccluded = isOccluded; 986 mStatusBarKeyguardViewManager.setOccluded(isOccluded); 987 updateActivityLockScreenState(); 988 adjustStatusBarLocked(); 989 } 990 } 991 } 992 993 /** 994 * Used by PhoneWindowManager to enable the keyguard due to a user activity timeout. 995 * This must be safe to call from any thread and with any window manager locks held. 996 */ 997 public void doKeyguardTimeout(Bundle options) { 998 mHandler.removeMessages(KEYGUARD_TIMEOUT); 999 Message msg = mHandler.obtainMessage(KEYGUARD_TIMEOUT, options); 1000 mHandler.sendMessage(msg); 1001 } 1002 1003 /** 1004 * Given the state of the keyguard, is the input restricted? 1005 * Input is restricted when the keyguard is showing, or when the keyguard 1006 * was suppressed by an app that disabled the keyguard or we haven't been provisioned yet. 1007 */ 1008 public boolean isInputRestricted() { 1009 return mShowing || mNeedToReshowWhenReenabled; 1010 } 1011 1012 private void updateInputRestricted() { 1013 synchronized (this) { 1014 updateInputRestrictedLocked(); 1015 } 1016 } 1017 private void updateInputRestrictedLocked() { 1018 boolean inputRestricted = isInputRestricted(); 1019 if (mInputRestricted != inputRestricted) { 1020 mInputRestricted = inputRestricted; 1021 int size = mKeyguardStateCallbacks.size(); 1022 for (int i = size - 1; i >= 0; i--) { 1023 try { 1024 mKeyguardStateCallbacks.get(i).onInputRestrictedStateChanged(inputRestricted); 1025 } catch (RemoteException e) { 1026 Slog.w(TAG, "Failed to call onDeviceProvisioned", e); 1027 if (e instanceof DeadObjectException) { 1028 mKeyguardStateCallbacks.remove(i); 1029 } 1030 } 1031 } 1032 } 1033 } 1034 1035 /** 1036 * Enable the keyguard if the settings are appropriate. 1037 */ 1038 private void doKeyguardLocked(Bundle options) { 1039 // if another app is disabling us, don't show 1040 if (!mExternallyEnabled) { 1041 if (DEBUG) Log.d(TAG, "doKeyguard: not showing because externally disabled"); 1042 1043 // note: we *should* set mNeedToReshowWhenReenabled=true here, but that makes 1044 // for an occasional ugly flicker in this situation: 1045 // 1) receive a call with the screen on (no keyguard) or make a call 1046 // 2) screen times out 1047 // 3) user hits key to turn screen back on 1048 // instead, we reenable the keyguard when we know the screen is off and the call 1049 // ends (see the broadcast receiver below) 1050 // TODO: clean this up when we have better support at the window manager level 1051 // for apps that wish to be on top of the keyguard 1052 return; 1053 } 1054 1055 // if the keyguard is already showing, don't bother 1056 if (mStatusBarKeyguardViewManager.isShowing()) { 1057 if (DEBUG) Log.d(TAG, "doKeyguard: not showing because it is already showing"); 1058 resetStateLocked(); 1059 return; 1060 } 1061 1062 // In split system user mode, we never unlock system user. 1063 if (!UserManager.isSplitSystemUser() 1064 || KeyguardUpdateMonitor.getCurrentUser() != UserHandle.USER_SYSTEM 1065 || !mUpdateMonitor.isDeviceProvisioned()) { 1066 1067 // if the setup wizard hasn't run yet, don't show 1068 final boolean requireSim = !SystemProperties.getBoolean("keyguard.no_require_sim", false); 1069 final boolean absent = SubscriptionManager.isValidSubscriptionId( 1070 mUpdateMonitor.getNextSubIdForState(IccCardConstants.State.ABSENT)); 1071 final boolean disabled = SubscriptionManager.isValidSubscriptionId( 1072 mUpdateMonitor.getNextSubIdForState(IccCardConstants.State.PERM_DISABLED)); 1073 final boolean lockedOrMissing = mUpdateMonitor.isSimPinSecure() 1074 || ((absent || disabled) && requireSim); 1075 1076 if (!lockedOrMissing && shouldWaitForProvisioning()) { 1077 if (DEBUG) Log.d(TAG, "doKeyguard: not showing because device isn't provisioned" 1078 + " and the sim is not locked or missing"); 1079 return; 1080 } 1081 1082 if (mLockPatternUtils.isLockScreenDisabled(KeyguardUpdateMonitor.getCurrentUser()) 1083 && !lockedOrMissing) { 1084 if (DEBUG) Log.d(TAG, "doKeyguard: not showing because lockscreen is off"); 1085 return; 1086 } 1087 1088 if (mLockPatternUtils.checkVoldPassword(KeyguardUpdateMonitor.getCurrentUser())) { 1089 if (DEBUG) Log.d(TAG, "Not showing lock screen since just decrypted"); 1090 // Without this, settings is not enabled until the lock screen first appears 1091 setShowingLocked(false); 1092 hideLocked(); 1093 mUpdateMonitor.reportSuccessfulStrongAuthUnlockAttempt(); 1094 return; 1095 } 1096 } 1097 1098 if (DEBUG) Log.d(TAG, "doKeyguard: showing the lock screen"); 1099 showLocked(options); 1100 } 1101 1102 private boolean shouldWaitForProvisioning() { 1103 return !mUpdateMonitor.isDeviceProvisioned() && !isSecure(); 1104 } 1105 1106 /** 1107 * Dismiss the keyguard through the security layers. 1108 */ 1109 public void handleDismiss() { 1110 if (mShowing && !mOccluded) { 1111 mStatusBarKeyguardViewManager.dismiss(); 1112 } 1113 } 1114 1115 public void dismiss() { 1116 mHandler.sendEmptyMessage(DISMISS); 1117 } 1118 1119 /** 1120 * Send message to keyguard telling it to reset its state. 1121 * @see #handleReset 1122 */ 1123 private void resetStateLocked() { 1124 if (DEBUG) Log.e(TAG, "resetStateLocked"); 1125 Message msg = mHandler.obtainMessage(RESET); 1126 mHandler.sendMessage(msg); 1127 } 1128 1129 /** 1130 * Send message to keyguard telling it to verify unlock 1131 * @see #handleVerifyUnlock() 1132 */ 1133 private void verifyUnlockLocked() { 1134 if (DEBUG) Log.d(TAG, "verifyUnlockLocked"); 1135 mHandler.sendEmptyMessage(VERIFY_UNLOCK); 1136 } 1137 1138 private void notifyStartedGoingToSleep() { 1139 if (DEBUG) Log.d(TAG, "notifyStartedGoingToSleep"); 1140 mHandler.sendEmptyMessage(NOTIFY_STARTED_GOING_TO_SLEEP); 1141 } 1142 1143 private void notifyFinishedGoingToSleep() { 1144 if (DEBUG) Log.d(TAG, "notifyFinishedGoingToSleep"); 1145 mHandler.sendEmptyMessage(NOTIFY_FINISHED_GOING_TO_SLEEP); 1146 } 1147 1148 private void notifyStartedWakingUp() { 1149 if (DEBUG) Log.d(TAG, "notifyStartedWakingUp"); 1150 mHandler.sendEmptyMessage(NOTIFY_STARTED_WAKING_UP); 1151 } 1152 1153 private void notifyScreenOn(IKeyguardDrawnCallback callback) { 1154 if (DEBUG) Log.d(TAG, "notifyScreenOn"); 1155 Message msg = mHandler.obtainMessage(NOTIFY_SCREEN_TURNING_ON, callback); 1156 mHandler.sendMessage(msg); 1157 } 1158 1159 private void notifyScreenTurnedOn() { 1160 if (DEBUG) Log.d(TAG, "notifyScreenTurnedOn"); 1161 Message msg = mHandler.obtainMessage(NOTIFY_SCREEN_TURNED_ON); 1162 mHandler.sendMessage(msg); 1163 } 1164 1165 private void notifyScreenTurnedOff() { 1166 if (DEBUG) Log.d(TAG, "notifyScreenTurnedOff"); 1167 Message msg = mHandler.obtainMessage(NOTIFY_SCREEN_TURNED_OFF); 1168 mHandler.sendMessage(msg); 1169 } 1170 1171 /** 1172 * Send message to keyguard telling it to show itself 1173 * @see #handleShow 1174 */ 1175 private void showLocked(Bundle options) { 1176 if (DEBUG) Log.d(TAG, "showLocked"); 1177 // ensure we stay awake until we are finished displaying the keyguard 1178 mShowKeyguardWakeLock.acquire(); 1179 Message msg = mHandler.obtainMessage(SHOW, options); 1180 mHandler.sendMessage(msg); 1181 } 1182 1183 /** 1184 * Send message to keyguard telling it to hide itself 1185 * @see #handleHide() 1186 */ 1187 private void hideLocked() { 1188 if (DEBUG) Log.d(TAG, "hideLocked"); 1189 Message msg = mHandler.obtainMessage(HIDE); 1190 mHandler.sendMessage(msg); 1191 } 1192 1193 public boolean isSecure() { 1194 return mLockPatternUtils.isSecure(KeyguardUpdateMonitor.getCurrentUser()) 1195 || KeyguardUpdateMonitor.getInstance(mContext).isSimPinSecure(); 1196 } 1197 1198 /** 1199 * Update the newUserId. Call while holding WindowManagerService lock. 1200 * NOTE: Should only be called by KeyguardViewMediator in response to the user id changing. 1201 * 1202 * @param newUserId The id of the incoming user. 1203 */ 1204 public void setCurrentUser(int newUserId) { 1205 KeyguardUpdateMonitor.setCurrentUser(newUserId); 1206 } 1207 1208 private final BroadcastReceiver mBroadcastReceiver = new BroadcastReceiver() { 1209 @Override 1210 public void onReceive(Context context, Intent intent) { 1211 if (DELAYED_KEYGUARD_ACTION.equals(intent.getAction())) { 1212 final int sequence = intent.getIntExtra("seq", 0); 1213 if (DEBUG) Log.d(TAG, "received DELAYED_KEYGUARD_ACTION with seq = " 1214 + sequence + ", mDelayedShowingSequence = " + mDelayedShowingSequence); 1215 synchronized (KeyguardViewMediator.this) { 1216 if (mDelayedShowingSequence == sequence) { 1217 doKeyguardLocked(null); 1218 } 1219 } 1220 } 1221 } 1222 }; 1223 1224 public void keyguardDone(boolean authenticated) { 1225 if (DEBUG) Log.d(TAG, "keyguardDone(" + authenticated +")"); 1226 EventLog.writeEvent(70000, 2); 1227 Message msg = mHandler.obtainMessage(KEYGUARD_DONE, authenticated ? 1 : 0); 1228 mHandler.sendMessage(msg); 1229 } 1230 1231 /** 1232 * This handler will be associated with the policy thread, which will also 1233 * be the UI thread of the keyguard. Since the apis of the policy, and therefore 1234 * this class, can be called by other threads, any action that directly 1235 * interacts with the keyguard ui should be posted to this handler, rather 1236 * than called directly. 1237 */ 1238 private Handler mHandler = new Handler(Looper.myLooper(), null, true /*async*/) { 1239 @Override 1240 public void handleMessage(Message msg) { 1241 switch (msg.what) { 1242 case SHOW: 1243 handleShow((Bundle) msg.obj); 1244 break; 1245 case HIDE: 1246 handleHide(); 1247 break; 1248 case RESET: 1249 handleReset(); 1250 break; 1251 case VERIFY_UNLOCK: 1252 handleVerifyUnlock(); 1253 break; 1254 case NOTIFY_STARTED_GOING_TO_SLEEP: 1255 handleNotifyStartedGoingToSleep(); 1256 break; 1257 case NOTIFY_FINISHED_GOING_TO_SLEEP: 1258 handleNotifyFinishedGoingToSleep(); 1259 break; 1260 case NOTIFY_SCREEN_TURNING_ON: 1261 handleNotifyScreenTurningOn((IKeyguardDrawnCallback) msg.obj); 1262 break; 1263 case NOTIFY_SCREEN_TURNED_ON: 1264 handleNotifyScreenTurnedOn(); 1265 break; 1266 case NOTIFY_SCREEN_TURNED_OFF: 1267 handleNotifyScreenTurnedOff(); 1268 break; 1269 case NOTIFY_STARTED_WAKING_UP: 1270 handleNotifyStartedWakingUp(); 1271 break; 1272 case KEYGUARD_DONE: 1273 handleKeyguardDone(msg.arg1 != 0); 1274 break; 1275 case KEYGUARD_DONE_DRAWING: 1276 handleKeyguardDoneDrawing(); 1277 break; 1278 case SET_OCCLUDED: 1279 handleSetOccluded(msg.arg1 != 0); 1280 break; 1281 case KEYGUARD_TIMEOUT: 1282 synchronized (KeyguardViewMediator.this) { 1283 doKeyguardLocked((Bundle) msg.obj); 1284 } 1285 break; 1286 case DISMISS: 1287 handleDismiss(); 1288 break; 1289 case START_KEYGUARD_EXIT_ANIM: 1290 StartKeyguardExitAnimParams params = (StartKeyguardExitAnimParams) msg.obj; 1291 handleStartKeyguardExitAnimation(params.startTime, params.fadeoutDuration); 1292 FalsingManager.getInstance(mContext).onSucccessfulUnlock(); 1293 break; 1294 case KEYGUARD_DONE_PENDING_TIMEOUT: 1295 Log.w(TAG, "Timeout while waiting for activity drawn!"); 1296 // Fall through. 1297 case ON_ACTIVITY_DRAWN: 1298 handleOnActivityDrawn(); 1299 break; 1300 } 1301 } 1302 }; 1303 1304 /** 1305 * @see #keyguardDone 1306 * @see #KEYGUARD_DONE 1307 */ 1308 private void handleKeyguardDone(boolean authenticated) { 1309 if (DEBUG) Log.d(TAG, "handleKeyguardDone"); 1310 synchronized (this) { 1311 resetKeyguardDonePendingLocked(); 1312 } 1313 1314 if (authenticated) { 1315 mUpdateMonitor.clearFailedUnlockAttempts(); 1316 } 1317 mUpdateMonitor.clearFingerprintRecognized(); 1318 1319 if (mGoingToSleep) { 1320 Log.i(TAG, "Device is going to sleep, aborting keyguardDone"); 1321 return; 1322 } 1323 if (mExitSecureCallback != null) { 1324 try { 1325 mExitSecureCallback.onKeyguardExitResult(authenticated); 1326 } catch (RemoteException e) { 1327 Slog.w(TAG, "Failed to call onKeyguardExitResult(" + authenticated + ")", e); 1328 } 1329 1330 mExitSecureCallback = null; 1331 1332 if (authenticated) { 1333 // after succesfully exiting securely, no need to reshow 1334 // the keyguard when they've released the lock 1335 mExternallyEnabled = true; 1336 mNeedToReshowWhenReenabled = false; 1337 updateInputRestricted(); 1338 } 1339 } 1340 1341 handleHide(); 1342 } 1343 1344 private void sendUserPresentBroadcast() { 1345 synchronized (this) { 1346 if (mBootCompleted) { 1347 final UserHandle currentUser = new UserHandle(KeyguardUpdateMonitor.getCurrentUser()); 1348 final UserManager um = (UserManager) mContext.getSystemService( 1349 Context.USER_SERVICE); 1350 List <UserInfo> userHandles = um.getProfiles(currentUser.getIdentifier()); 1351 for (UserInfo ui : userHandles) { 1352 mContext.sendBroadcastAsUser(USER_PRESENT_INTENT, ui.getUserHandle()); 1353 } 1354 } else { 1355 mBootSendUserPresent = true; 1356 } 1357 } 1358 } 1359 1360 /** 1361 * @see #keyguardDone 1362 * @see #KEYGUARD_DONE_DRAWING 1363 */ 1364 private void handleKeyguardDoneDrawing() { 1365 synchronized(this) { 1366 if (DEBUG) Log.d(TAG, "handleKeyguardDoneDrawing"); 1367 if (mWaitingUntilKeyguardVisible) { 1368 if (DEBUG) Log.d(TAG, "handleKeyguardDoneDrawing: notifying mWaitingUntilKeyguardVisible"); 1369 mWaitingUntilKeyguardVisible = false; 1370 notifyAll(); 1371 1372 // there will usually be two of these sent, one as a timeout, and one 1373 // as a result of the callback, so remove any remaining messages from 1374 // the queue 1375 mHandler.removeMessages(KEYGUARD_DONE_DRAWING); 1376 } 1377 } 1378 } 1379 1380 private void playSounds(boolean locked) { 1381 playSound(locked ? mLockSoundId : mUnlockSoundId); 1382 } 1383 1384 private void playSound(int soundId) { 1385 if (soundId == 0) return; 1386 final ContentResolver cr = mContext.getContentResolver(); 1387 if (Settings.System.getInt(cr, Settings.System.LOCKSCREEN_SOUNDS_ENABLED, 1) == 1) { 1388 1389 mLockSounds.stop(mLockSoundStreamId); 1390 // Init mAudioManager 1391 if (mAudioManager == null) { 1392 mAudioManager = (AudioManager) mContext.getSystemService(Context.AUDIO_SERVICE); 1393 if (mAudioManager == null) return; 1394 mUiSoundsStreamType = mAudioManager.getUiSoundsStreamType(); 1395 } 1396 // If the stream is muted, don't play the sound 1397 if (mAudioManager.isStreamMute(mUiSoundsStreamType)) return; 1398 1399 mLockSoundStreamId = mLockSounds.play(soundId, 1400 mLockSoundVolume, mLockSoundVolume, 1/*priortiy*/, 0/*loop*/, 1.0f/*rate*/); 1401 } 1402 } 1403 1404 private void playTrustedSound() { 1405 playSound(mTrustedSoundId); 1406 } 1407 1408 private void updateActivityLockScreenState() { 1409 try { 1410 ActivityManagerNative.getDefault().setLockScreenShown(mShowing && !mOccluded); 1411 } catch (RemoteException e) { 1412 } 1413 } 1414 1415 /** 1416 * Handle message sent by {@link #showLocked}. 1417 * @see #SHOW 1418 */ 1419 private void handleShow(Bundle options) { 1420 synchronized (KeyguardViewMediator.this) { 1421 if (!mSystemReady) { 1422 if (DEBUG) Log.d(TAG, "ignoring handleShow because system is not ready."); 1423 return; 1424 } else { 1425 if (DEBUG) Log.d(TAG, "handleShow"); 1426 } 1427 1428 setShowingLocked(true); 1429 mStatusBarKeyguardViewManager.show(options); 1430 mHiding = false; 1431 mWakeAndUnlocking = false; 1432 resetKeyguardDonePendingLocked(); 1433 mHideAnimationRun = false; 1434 updateActivityLockScreenState(); 1435 adjustStatusBarLocked(); 1436 userActivity(); 1437 1438 mShowKeyguardWakeLock.release(); 1439 } 1440 mKeyguardDisplayManager.show(); 1441 } 1442 1443 private final Runnable mKeyguardGoingAwayRunnable = new Runnable() { 1444 @Override 1445 public void run() { 1446 try { 1447 mStatusBarKeyguardViewManager.keyguardGoingAway(); 1448 1449 // Don't actually hide the Keyguard at the moment, wait for window 1450 // manager until it tells us it's safe to do so with 1451 // startKeyguardExitAnimation. 1452 ActivityManagerNative.getDefault().keyguardGoingAway( 1453 mStatusBarKeyguardViewManager.shouldDisableWindowAnimationsForUnlock() 1454 || mWakeAndUnlocking, 1455 mStatusBarKeyguardViewManager.isGoingToNotificationShade()); 1456 } catch (RemoteException e) { 1457 Log.e(TAG, "Error while calling WindowManager", e); 1458 } 1459 } 1460 }; 1461 1462 /** 1463 * Handle message sent by {@link #hideLocked()} 1464 * @see #HIDE 1465 */ 1466 private void handleHide() { 1467 synchronized (KeyguardViewMediator.this) { 1468 if (DEBUG) Log.d(TAG, "handleHide"); 1469 1470 if (UserManager.isSplitSystemUser() 1471 && KeyguardUpdateMonitor.getCurrentUser() == UserHandle.USER_SYSTEM) { 1472 // In split system user mode, we never unlock system user. The end user has to 1473 // switch to another user. 1474 // TODO: We should stop it early by disabling the swipe up flow. Right now swipe up 1475 // still completes and makes the screen blank. 1476 if (DEBUG) Log.d(TAG, "Split system user, quit unlocking."); 1477 return; 1478 } 1479 mHiding = true; 1480 if (mShowing && !mOccluded) { 1481 if (!mHideAnimationRun) { 1482 mStatusBarKeyguardViewManager.startPreHideAnimation(mKeyguardGoingAwayRunnable); 1483 } else { 1484 mKeyguardGoingAwayRunnable.run(); 1485 } 1486 } else { 1487 1488 // Don't try to rely on WindowManager - if Keyguard wasn't showing, window 1489 // manager won't start the exit animation. 1490 handleStartKeyguardExitAnimation( 1491 SystemClock.uptimeMillis() + mHideAnimation.getStartOffset(), 1492 mHideAnimation.getDuration()); 1493 } 1494 } 1495 } 1496 1497 private void handleOnActivityDrawn() { 1498 if (DEBUG) Log.d(TAG, "handleOnActivityDrawn: mKeyguardDonePending=" + mKeyguardDonePending); 1499 if (mKeyguardDonePending) { 1500 mStatusBarKeyguardViewManager.onActivityDrawn(); 1501 } 1502 } 1503 1504 private void handleStartKeyguardExitAnimation(long startTime, long fadeoutDuration) { 1505 synchronized (KeyguardViewMediator.this) { 1506 1507 if (!mHiding) { 1508 return; 1509 } 1510 mHiding = false; 1511 1512 if (mWakeAndUnlocking && mDrawnCallback != null) { 1513 1514 // Hack level over 9000: To speed up wake-and-unlock sequence, force it to report 1515 // the next draw from here so we don't have to wait for window manager to signal 1516 // this to our ViewRootImpl. 1517 mStatusBarKeyguardViewManager.getViewRootImpl().setReportNextDraw(); 1518 notifyDrawn(mDrawnCallback); 1519 } 1520 1521 // only play "unlock" noises if not on a call (since the incall UI 1522 // disables the keyguard) 1523 if (TelephonyManager.EXTRA_STATE_IDLE.equals(mPhoneState)) { 1524 playSounds(false); 1525 } 1526 1527 setShowingLocked(false); 1528 mStatusBarKeyguardViewManager.hide(startTime, fadeoutDuration); 1529 resetKeyguardDonePendingLocked(); 1530 mHideAnimationRun = false; 1531 updateActivityLockScreenState(); 1532 adjustStatusBarLocked(); 1533 sendUserPresentBroadcast(); 1534 } 1535 } 1536 1537 private void adjustStatusBarLocked() { 1538 if (mStatusBarManager == null) { 1539 mStatusBarManager = (StatusBarManager) 1540 mContext.getSystemService(Context.STATUS_BAR_SERVICE); 1541 } 1542 if (mStatusBarManager == null) { 1543 Log.w(TAG, "Could not get status bar manager"); 1544 } else { 1545 // Disable aspects of the system/status/navigation bars that must not be re-enabled by 1546 // windows that appear on top, ever 1547 int flags = StatusBarManager.DISABLE_NONE; 1548 if (mShowing) { 1549 // Permanently disable components not available when keyguard is enabled 1550 // (like recents). Temporary enable/disable (e.g. the "back" button) are 1551 // done in KeyguardHostView. 1552 flags |= StatusBarManager.DISABLE_RECENT; 1553 flags |= StatusBarManager.DISABLE_SEARCH; 1554 } 1555 if (isShowingAndNotOccluded()) { 1556 flags |= StatusBarManager.DISABLE_HOME; 1557 } 1558 1559 if (DEBUG) { 1560 Log.d(TAG, "adjustStatusBarLocked: mShowing=" + mShowing + " mOccluded=" + mOccluded 1561 + " isSecure=" + isSecure() + " --> flags=0x" + Integer.toHexString(flags)); 1562 } 1563 1564 if (!(mContext instanceof Activity)) { 1565 mStatusBarManager.disable(flags); 1566 } 1567 } 1568 } 1569 1570 /** 1571 * Handle message sent by {@link #resetStateLocked} 1572 * @see #RESET 1573 */ 1574 private void handleReset() { 1575 synchronized (KeyguardViewMediator.this) { 1576 if (DEBUG) Log.d(TAG, "handleReset"); 1577 mStatusBarKeyguardViewManager.reset(); 1578 } 1579 } 1580 1581 /** 1582 * Handle message sent by {@link #verifyUnlock} 1583 * @see #VERIFY_UNLOCK 1584 */ 1585 private void handleVerifyUnlock() { 1586 synchronized (KeyguardViewMediator.this) { 1587 if (DEBUG) Log.d(TAG, "handleVerifyUnlock"); 1588 setShowingLocked(true); 1589 mStatusBarKeyguardViewManager.verifyUnlock(); 1590 updateActivityLockScreenState(); 1591 } 1592 } 1593 1594 private void handleNotifyStartedGoingToSleep() { 1595 synchronized (KeyguardViewMediator.this) { 1596 if (DEBUG) Log.d(TAG, "handleNotifyStartedGoingToSleep"); 1597 mStatusBarKeyguardViewManager.onStartedGoingToSleep(); 1598 } 1599 } 1600 1601 /** 1602 * Handle message sent by {@link #notifyFinishedGoingToSleep()} 1603 * @see #NOTIFY_FINISHED_GOING_TO_SLEEP 1604 */ 1605 private void handleNotifyFinishedGoingToSleep() { 1606 synchronized (KeyguardViewMediator.this) { 1607 if (DEBUG) Log.d(TAG, "handleNotifyFinishedGoingToSleep"); 1608 mStatusBarKeyguardViewManager.onFinishedGoingToSleep(); 1609 } 1610 } 1611 1612 private void handleNotifyStartedWakingUp() { 1613 synchronized (KeyguardViewMediator.this) { 1614 if (DEBUG) Log.d(TAG, "handleNotifyWakingUp"); 1615 mStatusBarKeyguardViewManager.onStartedWakingUp(); 1616 } 1617 } 1618 1619 private void handleNotifyScreenTurningOn(IKeyguardDrawnCallback callback) { 1620 synchronized (KeyguardViewMediator.this) { 1621 if (DEBUG) Log.d(TAG, "handleNotifyScreenTurningOn"); 1622 mStatusBarKeyguardViewManager.onScreenTurningOn(); 1623 if (callback != null) { 1624 if (mWakeAndUnlocking) { 1625 mDrawnCallback = callback; 1626 } else { 1627 notifyDrawn(callback); 1628 } 1629 } 1630 } 1631 } 1632 1633 private void handleNotifyScreenTurnedOn() { 1634 synchronized (this) { 1635 if (DEBUG) Log.d(TAG, "handleNotifyScreenTurnedOn"); 1636 mStatusBarKeyguardViewManager.onScreenTurnedOn(); 1637 } 1638 } 1639 1640 private void handleNotifyScreenTurnedOff() { 1641 synchronized (this) { 1642 if (DEBUG) Log.d(TAG, "handleNotifyScreenTurnedOff"); 1643 mStatusBarKeyguardViewManager.onScreenTurnedOff(); 1644 mWakeAndUnlocking = false; 1645 } 1646 } 1647 1648 private void notifyDrawn(final IKeyguardDrawnCallback callback) { 1649 try { 1650 callback.onDrawn(); 1651 } catch (RemoteException e) { 1652 Slog.w(TAG, "Exception calling onDrawn():", e); 1653 } 1654 } 1655 1656 private void resetKeyguardDonePendingLocked() { 1657 mKeyguardDonePending = false; 1658 mHandler.removeMessages(KEYGUARD_DONE_PENDING_TIMEOUT); 1659 } 1660 1661 public void onBootCompleted() { 1662 mUpdateMonitor.dispatchBootCompleted(); 1663 synchronized (this) { 1664 mBootCompleted = true; 1665 if (mBootSendUserPresent) { 1666 sendUserPresentBroadcast(); 1667 } 1668 } 1669 } 1670 1671 public void onWakeAndUnlocking() { 1672 mWakeAndUnlocking = true; 1673 keyguardDone(true /* authenticated */); 1674 } 1675 1676 public StatusBarKeyguardViewManager registerStatusBar(PhoneStatusBar phoneStatusBar, 1677 ViewGroup container, StatusBarWindowManager statusBarWindowManager, 1678 ScrimController scrimController, 1679 FingerprintUnlockController fingerprintUnlockController) { 1680 mStatusBarKeyguardViewManager.registerStatusBar(phoneStatusBar, container, 1681 statusBarWindowManager, scrimController, fingerprintUnlockController); 1682 return mStatusBarKeyguardViewManager; 1683 } 1684 1685 public void startKeyguardExitAnimation(long startTime, long fadeoutDuration) { 1686 Message msg = mHandler.obtainMessage(START_KEYGUARD_EXIT_ANIM, 1687 new StartKeyguardExitAnimParams(startTime, fadeoutDuration)); 1688 mHandler.sendMessage(msg); 1689 } 1690 1691 public void onActivityDrawn() { 1692 mHandler.sendEmptyMessage(ON_ACTIVITY_DRAWN); 1693 } 1694 public ViewMediatorCallback getViewMediatorCallback() { 1695 return mViewMediatorCallback; 1696 } 1697 1698 @Override 1699 public void dump(FileDescriptor fd, PrintWriter pw, String[] args) { 1700 pw.print(" mSystemReady: "); pw.println(mSystemReady); 1701 pw.print(" mBootCompleted: "); pw.println(mBootCompleted); 1702 pw.print(" mBootSendUserPresent: "); pw.println(mBootSendUserPresent); 1703 pw.print(" mExternallyEnabled: "); pw.println(mExternallyEnabled); 1704 pw.print(" mNeedToReshowWhenReenabled: "); pw.println(mNeedToReshowWhenReenabled); 1705 pw.print(" mShowing: "); pw.println(mShowing); 1706 pw.print(" mInputRestricted: "); pw.println(mInputRestricted); 1707 pw.print(" mOccluded: "); pw.println(mOccluded); 1708 pw.print(" mDelayedShowingSequence: "); pw.println(mDelayedShowingSequence); 1709 pw.print(" mExitSecureCallback: "); pw.println(mExitSecureCallback); 1710 pw.print(" mDeviceInteractive: "); pw.println(mDeviceInteractive); 1711 pw.print(" mGoingToSleep: "); pw.println(mGoingToSleep); 1712 pw.print(" mHiding: "); pw.println(mHiding); 1713 pw.print(" mWaitingUntilKeyguardVisible: "); pw.println(mWaitingUntilKeyguardVisible); 1714 pw.print(" mKeyguardDonePending: "); pw.println(mKeyguardDonePending); 1715 pw.print(" mHideAnimationRun: "); pw.println(mHideAnimationRun); 1716 pw.print(" mPendingReset: "); pw.println(mPendingReset); 1717 pw.print(" mPendingLock: "); pw.println(mPendingLock); 1718 pw.print(" mWakeAndUnlocking: "); pw.println(mWakeAndUnlocking); 1719 pw.print(" mDrawnCallback: "); pw.println(mDrawnCallback); 1720 } 1721 1722 private static class StartKeyguardExitAnimParams { 1723 1724 long startTime; 1725 long fadeoutDuration; 1726 1727 private StartKeyguardExitAnimParams(long startTime, long fadeoutDuration) { 1728 this.startTime = startTime; 1729 this.fadeoutDuration = fadeoutDuration; 1730 } 1731 } 1732 1733 private void setShowingLocked(boolean showing) { 1734 if (showing != mShowing) { 1735 mShowing = showing; 1736 int size = mKeyguardStateCallbacks.size(); 1737 for (int i = size - 1; i >= 0; i--) { 1738 try { 1739 mKeyguardStateCallbacks.get(i).onShowingStateChanged(showing); 1740 } catch (RemoteException e) { 1741 Slog.w(TAG, "Failed to call onShowingStateChanged", e); 1742 if (e instanceof DeadObjectException) { 1743 mKeyguardStateCallbacks.remove(i); 1744 } 1745 } 1746 } 1747 updateInputRestrictedLocked(); 1748 mTrustManager.reportKeyguardShowingChanged(); 1749 } 1750 } 1751 1752 public void addStateMonitorCallback(IKeyguardStateCallback callback) { 1753 synchronized (this) { 1754 mKeyguardStateCallbacks.add(callback); 1755 try { 1756 callback.onSimSecureStateChanged(mUpdateMonitor.isSimPinSecure()); 1757 callback.onShowingStateChanged(mShowing); 1758 callback.onInputRestrictedStateChanged(mInputRestricted); 1759 } catch (RemoteException e) { 1760 Slog.w(TAG, "Failed to call onShowingStateChanged or onSimSecureStateChanged or onInputRestrictedStateChanged", e); 1761 } 1762 } 1763 } 1764} 1765