KeyguardViewMediator.java revision f253eeb9d3d23d02746406b2b0e721ba3b4563ce
1/* 2 * Copyright (C) 2014 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License 15 */ 16 17package com.android.systemui.keyguard; 18 19import android.app.Activity; 20import android.app.ActivityManager; 21import android.app.ActivityManagerNative; 22import android.app.AlarmManager; 23import android.app.PendingIntent; 24import android.app.SearchManager; 25import android.app.StatusBarManager; 26import android.app.trust.TrustManager; 27import android.content.BroadcastReceiver; 28import android.content.ContentResolver; 29import android.content.Context; 30import android.content.Intent; 31import android.content.IntentFilter; 32import android.content.pm.UserInfo; 33import android.media.AudioManager; 34import android.media.SoundPool; 35import android.os.Bundle; 36import android.os.Handler; 37import android.os.Looper; 38import android.os.Message; 39import android.os.PowerManager; 40import android.os.RemoteException; 41import android.os.SystemClock; 42import android.os.SystemProperties; 43import android.os.UserHandle; 44import android.os.UserManager; 45import android.provider.Settings; 46import android.telephony.SubscriptionManager; 47import android.telephony.TelephonyManager; 48import android.util.EventLog; 49import android.util.Log; 50import android.util.Slog; 51import android.view.IWindowManager; 52import android.view.ViewGroup; 53import android.view.WindowManagerGlobal; 54import android.view.WindowManagerPolicy; 55import android.view.animation.Animation; 56import android.view.animation.AnimationUtils; 57import com.android.internal.policy.IKeyguardExitCallback; 58import com.android.internal.policy.IKeyguardShowCallback; 59import com.android.internal.policy.IKeyguardStateCallback; 60import com.android.internal.telephony.IccCardConstants; 61import com.android.internal.widget.LockPatternUtils; 62import com.android.keyguard.KeyguardConstants; 63import com.android.keyguard.KeyguardDisplayManager; 64import com.android.keyguard.KeyguardUpdateMonitor; 65import com.android.keyguard.KeyguardUpdateMonitorCallback; 66import com.android.keyguard.ViewMediatorCallback; 67import com.android.systemui.SystemUI; 68import com.android.systemui.statusbar.phone.PhoneStatusBar; 69import com.android.systemui.statusbar.phone.ScrimController; 70import com.android.systemui.statusbar.phone.StatusBarKeyguardViewManager; 71import com.android.systemui.statusbar.phone.StatusBarWindowManager; 72 73import java.util.ArrayList; 74import java.util.List; 75 76import static android.provider.Settings.System.SCREEN_OFF_TIMEOUT; 77 78 79/** 80 * Mediates requests related to the keyguard. This includes queries about the 81 * state of the keyguard, power management events that effect whether the keyguard 82 * should be shown or reset, callbacks to the phone window manager to notify 83 * it of when the keyguard is showing, and events from the keyguard view itself 84 * stating that the keyguard was succesfully unlocked. 85 * 86 * Note that the keyguard view is shown when the screen is off (as appropriate) 87 * so that once the screen comes on, it will be ready immediately. 88 * 89 * Example queries about the keyguard: 90 * - is {movement, key} one that should wake the keygaurd? 91 * - is the keyguard showing? 92 * - are input events restricted due to the state of the keyguard? 93 * 94 * Callbacks to the phone window manager: 95 * - the keyguard is showing 96 * 97 * Example external events that translate to keyguard view changes: 98 * - screen turned off -> reset the keyguard, and show it so it will be ready 99 * next time the screen turns on 100 * - keyboard is slid open -> if the keyguard is not secure, hide it 101 * 102 * Events from the keyguard view: 103 * - user succesfully unlocked keyguard -> hide keyguard view, and no longer 104 * restrict input events. 105 * 106 * Note: in addition to normal power managment events that effect the state of 107 * whether the keyguard should be showing, external apps and services may request 108 * that the keyguard be disabled via {@link #setKeyguardEnabled(boolean)}. When 109 * false, this will override all other conditions for turning on the keyguard. 110 * 111 * Threading and synchronization: 112 * This class is created by the initialization routine of the {@link android.view.WindowManagerPolicy}, 113 * and runs on its thread. The keyguard UI is created from that thread in the 114 * constructor of this class. The apis may be called from other threads, including the 115 * {@link com.android.server.input.InputManagerService}'s and {@link android.view.WindowManager}'s. 116 * Therefore, methods on this class are synchronized, and any action that is pointed 117 * directly to the keyguard UI is posted to a {@link android.os.Handler} to ensure it is taken on the UI 118 * thread of the keyguard. 119 */ 120public class KeyguardViewMediator extends SystemUI { 121 private static final int KEYGUARD_DISPLAY_TIMEOUT_DELAY_DEFAULT = 30000; 122 private static final long KEYGUARD_DONE_PENDING_TIMEOUT_MS = 3000; 123 124 private static final boolean DEBUG = KeyguardConstants.DEBUG; 125 private static final boolean DEBUG_SIM_STATES = KeyguardConstants.DEBUG_SIM_STATES; 126 private final static boolean DBG_WAKE = false; 127 128 private final static String TAG = "KeyguardViewMediator"; 129 130 private static final String DELAYED_KEYGUARD_ACTION = 131 "com.android.internal.policy.impl.PhoneWindowManager.DELAYED_KEYGUARD"; 132 133 // used for handler messages 134 private static final int SHOW = 2; 135 private static final int HIDE = 3; 136 private static final int RESET = 4; 137 private static final int VERIFY_UNLOCK = 5; 138 private static final int NOTIFY_SCREEN_OFF = 6; 139 private static final int NOTIFY_SCREEN_ON = 7; 140 private static final int KEYGUARD_DONE = 9; 141 private static final int KEYGUARD_DONE_DRAWING = 10; 142 private static final int KEYGUARD_DONE_AUTHENTICATING = 11; 143 private static final int SET_OCCLUDED = 12; 144 private static final int KEYGUARD_TIMEOUT = 13; 145 private static final int DISMISS = 17; 146 private static final int START_KEYGUARD_EXIT_ANIM = 18; 147 private static final int ON_ACTIVITY_DRAWN = 19; 148 private static final int KEYGUARD_DONE_PENDING_TIMEOUT = 20; 149 150 /** 151 * The default amount of time we stay awake (used for all key input) 152 */ 153 public static final int AWAKE_INTERVAL_DEFAULT_MS = 10000; 154 155 /** 156 * How long to wait after the screen turns off due to timeout before 157 * turning on the keyguard (i.e, the user has this much time to turn 158 * the screen back on without having to face the keyguard). 159 */ 160 private static final int KEYGUARD_LOCK_AFTER_DELAY_DEFAULT = 5000; 161 162 /** 163 * How long we'll wait for the {@link ViewMediatorCallback#keyguardDoneDrawing()} 164 * callback before unblocking a call to {@link #setKeyguardEnabled(boolean)} 165 * that is reenabling the keyguard. 166 */ 167 private static final int KEYGUARD_DONE_DRAWING_TIMEOUT_MS = 2000; 168 169 /** 170 * Secure setting whether analytics are collected on the keyguard. 171 */ 172 private static final String KEYGUARD_ANALYTICS_SETTING = "keyguard_analytics"; 173 174 /** The stream type that the lock sounds are tied to. */ 175 private int mUiSoundsStreamType; 176 177 private AlarmManager mAlarmManager; 178 private AudioManager mAudioManager; 179 private StatusBarManager mStatusBarManager; 180 private boolean mSwitchingUser; 181 182 private boolean mSystemReady; 183 private boolean mBootCompleted; 184 private boolean mBootSendUserPresent; 185 186 // Whether the next call to playSounds() should be skipped. Defaults to 187 // true because the first lock (on boot) should be silent. 188 private boolean mSuppressNextLockSound = true; 189 190 191 /** High level access to the power manager for WakeLocks */ 192 private PowerManager mPM; 193 194 /** High level access to the window manager for dismissing keyguard animation */ 195 private IWindowManager mWM; 196 197 198 /** TrustManager for letting it know when we change visibility */ 199 private TrustManager mTrustManager; 200 201 /** SearchManager for determining whether or not search assistant is available */ 202 private SearchManager mSearchManager; 203 204 /** 205 * Used to keep the device awake while to ensure the keyguard finishes opening before 206 * we sleep. 207 */ 208 private PowerManager.WakeLock mShowKeyguardWakeLock; 209 210 private StatusBarKeyguardViewManager mStatusBarKeyguardViewManager; 211 212 // these are protected by synchronized (this) 213 214 /** 215 * External apps (like the phone app) can tell us to disable the keygaurd. 216 */ 217 private boolean mExternallyEnabled = true; 218 219 /** 220 * Remember if an external call to {@link #setKeyguardEnabled} with value 221 * false caused us to hide the keyguard, so that we need to reshow it once 222 * the keygaurd is reenabled with another call with value true. 223 */ 224 private boolean mNeedToReshowWhenReenabled = false; 225 226 // cached value of whether we are showing (need to know this to quickly 227 // answer whether the input should be restricted) 228 private boolean mShowing; 229 230 /** Cached value of #isInputRestricted */ 231 private boolean mInputRestricted; 232 233 // true if the keyguard is hidden by another window 234 private boolean mOccluded = false; 235 236 /** 237 * Helps remember whether the screen has turned on since the last time 238 * it turned off due to timeout. see {@link #onScreenTurnedOff(int)} 239 */ 240 private int mDelayedShowingSequence; 241 242 /** 243 * If the user has disabled the keyguard, then requests to exit, this is 244 * how we'll ultimately let them know whether it was successful. We use this 245 * var being non-null as an indicator that there is an in progress request. 246 */ 247 private IKeyguardExitCallback mExitSecureCallback; 248 249 // the properties of the keyguard 250 251 private KeyguardUpdateMonitor mUpdateMonitor; 252 253 private boolean mScreenOn; 254 255 // last known state of the cellular connection 256 private String mPhoneState = TelephonyManager.EXTRA_STATE_IDLE; 257 258 /** 259 * Whether a hide is pending an we are just waiting for #startKeyguardExitAnimation to be 260 * called. 261 * */ 262 private boolean mHiding; 263 264 /** 265 * we send this intent when the keyguard is dismissed. 266 */ 267 private static final Intent USER_PRESENT_INTENT = new Intent(Intent.ACTION_USER_PRESENT) 268 .addFlags(Intent.FLAG_RECEIVER_REPLACE_PENDING 269 | Intent.FLAG_RECEIVER_REGISTERED_ONLY_BEFORE_BOOT); 270 271 /** 272 * {@link #setKeyguardEnabled} waits on this condition when it reenables 273 * the keyguard. 274 */ 275 private boolean mWaitingUntilKeyguardVisible = false; 276 private LockPatternUtils mLockPatternUtils; 277 private boolean mKeyguardDonePending = false; 278 private boolean mHideAnimationRun = false; 279 280 private SoundPool mLockSounds; 281 private int mLockSoundId; 282 private int mUnlockSoundId; 283 private int mTrustedSoundId; 284 private int mLockSoundStreamId; 285 286 /** 287 * The animation used for hiding keyguard. This is used to fetch the animation timings if 288 * WindowManager is not providing us with them. 289 */ 290 private Animation mHideAnimation; 291 292 /** 293 * The volume applied to the lock/unlock sounds. 294 */ 295 private float mLockSoundVolume; 296 297 /** 298 * For managing external displays 299 */ 300 private KeyguardDisplayManager mKeyguardDisplayManager; 301 302 private final ArrayList<IKeyguardStateCallback> mKeyguardStateCallbacks = new ArrayList<>(); 303 304 KeyguardUpdateMonitorCallback mUpdateCallback = new KeyguardUpdateMonitorCallback() { 305 306 @Override 307 public void onUserSwitching(int userId) { 308 // Note that the mLockPatternUtils user has already been updated from setCurrentUser. 309 // We need to force a reset of the views, since lockNow (called by 310 // ActivityManagerService) will not reconstruct the keyguard if it is already showing. 311 synchronized (KeyguardViewMediator.this) { 312 mSwitchingUser = true; 313 resetKeyguardDonePendingLocked(); 314 resetStateLocked(); 315 adjustStatusBarLocked(); 316 } 317 } 318 319 @Override 320 public void onUserSwitchComplete(int userId) { 321 mSwitchingUser = false; 322 if (userId != UserHandle.USER_OWNER) { 323 UserInfo info = UserManager.get(mContext).getUserInfo(userId); 324 if (info != null && info.isGuest()) { 325 // If we just switched to a guest, try to dismiss keyguard. 326 dismiss(); 327 } 328 } 329 } 330 331 @Override 332 public void onUserInfoChanged(int userId) { 333 } 334 335 @Override 336 public void onPhoneStateChanged(int phoneState) { 337 synchronized (KeyguardViewMediator.this) { 338 if (TelephonyManager.CALL_STATE_IDLE == phoneState // call ending 339 && !mScreenOn // screen off 340 && mExternallyEnabled) { // not disabled by any app 341 342 // note: this is a way to gracefully reenable the keyguard when the call 343 // ends and the screen is off without always reenabling the keyguard 344 // each time the screen turns off while in call (and having an occasional ugly 345 // flicker while turning back on the screen and disabling the keyguard again). 346 if (DEBUG) Log.d(TAG, "screen is off and call ended, let's make sure the " 347 + "keyguard is showing"); 348 doKeyguardLocked(null); 349 } 350 } 351 } 352 353 @Override 354 public void onClockVisibilityChanged() { 355 adjustStatusBarLocked(); 356 } 357 358 @Override 359 public void onDeviceProvisioned() { 360 sendUserPresentBroadcast(); 361 updateInputRestricted(); 362 } 363 364 @Override 365 public void onSimStateChanged(int subId, int slotId, IccCardConstants.State simState) { 366 367 if (DEBUG_SIM_STATES) { 368 Log.d(TAG, "onSimStateChanged(subId=" + subId + ", slotId=" + slotId 369 + ",state=" + simState + ")"); 370 } 371 372 try { 373 int size = mKeyguardStateCallbacks.size(); 374 boolean simPinSecure = mUpdateMonitor.isSimPinSecure(); 375 for (int i = 0; i < size; i++) { 376 mKeyguardStateCallbacks.get(i).onSimSecureStateChanged(simPinSecure); 377 } 378 } catch (RemoteException e) { 379 Slog.w(TAG, "Failed to call onSimSecureStateChanged", e); 380 } 381 382 switch (simState) { 383 case NOT_READY: 384 case ABSENT: 385 // only force lock screen in case of missing sim if user hasn't 386 // gone through setup wizard 387 synchronized (this) { 388 if (shouldWaitForProvisioning()) { 389 if (!mShowing) { 390 if (DEBUG_SIM_STATES) Log.d(TAG, "ICC_ABSENT isn't showing," 391 + " we need to show the keyguard since the " 392 + "device isn't provisioned yet."); 393 doKeyguardLocked(null); 394 } else { 395 resetStateLocked(); 396 } 397 } 398 } 399 break; 400 case PIN_REQUIRED: 401 case PUK_REQUIRED: 402 synchronized (this) { 403 if (!mShowing) { 404 if (DEBUG_SIM_STATES) Log.d(TAG, 405 "INTENT_VALUE_ICC_LOCKED and keygaurd isn't " 406 + "showing; need to show keyguard so user can enter sim pin"); 407 doKeyguardLocked(null); 408 } else { 409 resetStateLocked(); 410 } 411 } 412 break; 413 case PERM_DISABLED: 414 synchronized (this) { 415 if (!mShowing) { 416 if (DEBUG_SIM_STATES) Log.d(TAG, "PERM_DISABLED and " 417 + "keygaurd isn't showing."); 418 doKeyguardLocked(null); 419 } else { 420 if (DEBUG_SIM_STATES) Log.d(TAG, "PERM_DISABLED, resetStateLocked to" 421 + "show permanently disabled message in lockscreen."); 422 resetStateLocked(); 423 } 424 } 425 break; 426 case READY: 427 synchronized (this) { 428 if (mShowing) { 429 resetStateLocked(); 430 } 431 } 432 break; 433 default: 434 if (DEBUG_SIM_STATES) Log.v(TAG, "Ignoring state: " + simState); 435 break; 436 } 437 } 438 439 @Override 440 public void onFingerprintAuthenticated(int userId) { 441 if (mStatusBarKeyguardViewManager.isBouncerShowing()) { 442 mViewMediatorCallback.keyguardDone(true); 443 } else { 444 mStatusBarKeyguardViewManager.animateCollapsePanels(); 445 } 446 }; 447 448 }; 449 450 ViewMediatorCallback mViewMediatorCallback = new ViewMediatorCallback() { 451 452 public void userActivity() { 453 KeyguardViewMediator.this.userActivity(); 454 } 455 456 public void keyguardDone(boolean authenticated) { 457 if (!mKeyguardDonePending) { 458 KeyguardViewMediator.this.keyguardDone(authenticated, true); 459 } 460 } 461 462 public void keyguardDoneDrawing() { 463 mHandler.sendEmptyMessage(KEYGUARD_DONE_DRAWING); 464 } 465 466 @Override 467 public void setNeedsInput(boolean needsInput) { 468 mStatusBarKeyguardViewManager.setNeedsInput(needsInput); 469 } 470 471 @Override 472 public void keyguardDonePending() { 473 mKeyguardDonePending = true; 474 mHideAnimationRun = true; 475 mStatusBarKeyguardViewManager.startPreHideAnimation(null /* finishRunnable */); 476 mHandler.sendEmptyMessageDelayed(KEYGUARD_DONE_PENDING_TIMEOUT, 477 KEYGUARD_DONE_PENDING_TIMEOUT_MS); 478 } 479 480 @Override 481 public void keyguardGone() { 482 mKeyguardDisplayManager.hide(); 483 } 484 485 @Override 486 public void readyForKeyguardDone() { 487 if (mKeyguardDonePending) { 488 // Somebody has called keyguardDonePending before, which means that we are 489 // authenticated 490 KeyguardViewMediator.this.keyguardDone(true /* authenticated */, true /* wakeUp */); 491 } 492 } 493 494 @Override 495 public void resetKeyguard() { 496 resetStateLocked(); 497 } 498 499 @Override 500 public void playTrustedSound() { 501 KeyguardViewMediator.this.playTrustedSound(); 502 } 503 504 @Override 505 public boolean isInputRestricted() { 506 return KeyguardViewMediator.this.isInputRestricted(); 507 } 508 }; 509 510 public void userActivity() { 511 mPM.userActivity(SystemClock.uptimeMillis(), false); 512 } 513 514 private void setupLocked() { 515 mPM = (PowerManager) mContext.getSystemService(Context.POWER_SERVICE); 516 mWM = WindowManagerGlobal.getWindowManagerService(); 517 mTrustManager = (TrustManager) mContext.getSystemService(Context.TRUST_SERVICE); 518 519 mShowKeyguardWakeLock = mPM.newWakeLock(PowerManager.PARTIAL_WAKE_LOCK, "show keyguard"); 520 mShowKeyguardWakeLock.setReferenceCounted(false); 521 522 mContext.registerReceiver(mBroadcastReceiver, new IntentFilter(DELAYED_KEYGUARD_ACTION)); 523 524 mKeyguardDisplayManager = new KeyguardDisplayManager(mContext); 525 526 mAlarmManager = (AlarmManager) mContext.getSystemService(Context.ALARM_SERVICE); 527 528 mUpdateMonitor = KeyguardUpdateMonitor.getInstance(mContext); 529 530 mLockPatternUtils = new LockPatternUtils(mContext); 531 mLockPatternUtils.setCurrentUser(ActivityManager.getCurrentUser()); 532 533 // Assume keyguard is showing (unless it's disabled) until we know for sure... 534 setShowingLocked(!shouldWaitForProvisioning() && !mLockPatternUtils.isLockScreenDisabled()); 535 mTrustManager.reportKeyguardShowingChanged(); 536 537 mStatusBarKeyguardViewManager = new StatusBarKeyguardViewManager(mContext, 538 mViewMediatorCallback, mLockPatternUtils); 539 final ContentResolver cr = mContext.getContentResolver(); 540 541 mScreenOn = mPM.isScreenOn(); 542 543 mLockSounds = new SoundPool(1, AudioManager.STREAM_SYSTEM, 0); 544 String soundPath = Settings.Global.getString(cr, Settings.Global.LOCK_SOUND); 545 if (soundPath != null) { 546 mLockSoundId = mLockSounds.load(soundPath, 1); 547 } 548 if (soundPath == null || mLockSoundId == 0) { 549 Log.w(TAG, "failed to load lock sound from " + soundPath); 550 } 551 soundPath = Settings.Global.getString(cr, Settings.Global.UNLOCK_SOUND); 552 if (soundPath != null) { 553 mUnlockSoundId = mLockSounds.load(soundPath, 1); 554 } 555 if (soundPath == null || mUnlockSoundId == 0) { 556 Log.w(TAG, "failed to load unlock sound from " + soundPath); 557 } 558 soundPath = Settings.Global.getString(cr, Settings.Global.TRUSTED_SOUND); 559 if (soundPath != null) { 560 mTrustedSoundId = mLockSounds.load(soundPath, 1); 561 } 562 if (soundPath == null || mTrustedSoundId == 0) { 563 Log.w(TAG, "failed to load trusted sound from " + soundPath); 564 } 565 566 int lockSoundDefaultAttenuation = mContext.getResources().getInteger( 567 com.android.internal.R.integer.config_lockSoundVolumeDb); 568 mLockSoundVolume = (float)Math.pow(10, (float)lockSoundDefaultAttenuation/20); 569 570 mHideAnimation = AnimationUtils.loadAnimation(mContext, 571 com.android.internal.R.anim.lock_screen_behind_enter); 572 } 573 574 @Override 575 public void start() { 576 synchronized (this) { 577 setupLocked(); 578 } 579 putComponent(KeyguardViewMediator.class, this); 580 } 581 582 /** 583 * Let us know that the system is ready after startup. 584 */ 585 public void onSystemReady() { 586 mSearchManager = (SearchManager) mContext.getSystemService(Context.SEARCH_SERVICE); 587 synchronized (this) { 588 if (DEBUG) Log.d(TAG, "onSystemReady"); 589 mSystemReady = true; 590 mUpdateMonitor.registerCallback(mUpdateCallback); 591 592 doKeyguardLocked(null); 593 } 594 // Most services aren't available until the system reaches the ready state, so we 595 // send it here when the device first boots. 596 maybeSendUserPresentBroadcast(); 597 } 598 599 /** 600 * Called to let us know the screen was turned off. 601 * @param why either {@link android.view.WindowManagerPolicy#OFF_BECAUSE_OF_USER} or 602 * {@link android.view.WindowManagerPolicy#OFF_BECAUSE_OF_TIMEOUT}. 603 */ 604 public void onScreenTurnedOff(int why) { 605 synchronized (this) { 606 mScreenOn = false; 607 if (DEBUG) Log.d(TAG, "onScreenTurnedOff(" + why + ")"); 608 609 resetKeyguardDonePendingLocked(); 610 mHideAnimationRun = false; 611 612 // Lock immediately based on setting if secure (user has a pin/pattern/password). 613 // This also "locks" the device when not secure to provide easy access to the 614 // camera while preventing unwanted input. 615 final boolean lockImmediately = 616 mLockPatternUtils.getPowerButtonInstantlyLocks() || !mLockPatternUtils.isSecure(); 617 618 notifyScreenOffLocked(); 619 620 if (mExitSecureCallback != null) { 621 if (DEBUG) Log.d(TAG, "pending exit secure callback cancelled"); 622 try { 623 mExitSecureCallback.onKeyguardExitResult(false); 624 } catch (RemoteException e) { 625 Slog.w(TAG, "Failed to call onKeyguardExitResult(false)", e); 626 } 627 mExitSecureCallback = null; 628 if (!mExternallyEnabled) { 629 hideLocked(); 630 } 631 } else if (mShowing) { 632 resetStateLocked(); 633 } else if (why == WindowManagerPolicy.OFF_BECAUSE_OF_TIMEOUT 634 || (why == WindowManagerPolicy.OFF_BECAUSE_OF_USER && !lockImmediately)) { 635 doKeyguardLaterLocked(); 636 } else { 637 doKeyguardLocked(null); 638 } 639 } 640 KeyguardUpdateMonitor.getInstance(mContext).dispatchScreenTurnedOff(why); 641 } 642 643 private void doKeyguardLaterLocked() { 644 // if the screen turned off because of timeout or the user hit the power button 645 // and we don't need to lock immediately, set an alarm 646 // to enable it a little bit later (i.e, give the user a chance 647 // to turn the screen back on within a certain window without 648 // having to unlock the screen) 649 final ContentResolver cr = mContext.getContentResolver(); 650 651 // From DisplaySettings 652 long displayTimeout = Settings.System.getInt(cr, SCREEN_OFF_TIMEOUT, 653 KEYGUARD_DISPLAY_TIMEOUT_DELAY_DEFAULT); 654 655 // From SecuritySettings 656 final long lockAfterTimeout = Settings.Secure.getInt(cr, 657 Settings.Secure.LOCK_SCREEN_LOCK_AFTER_TIMEOUT, 658 KEYGUARD_LOCK_AFTER_DELAY_DEFAULT); 659 660 // From DevicePolicyAdmin 661 final long policyTimeout = mLockPatternUtils.getDevicePolicyManager() 662 .getMaximumTimeToLock(null, mLockPatternUtils.getCurrentUser()); 663 664 long timeout; 665 if (policyTimeout > 0) { 666 // policy in effect. Make sure we don't go beyond policy limit. 667 displayTimeout = Math.max(displayTimeout, 0); // ignore negative values 668 timeout = Math.min(policyTimeout - displayTimeout, lockAfterTimeout); 669 } else { 670 timeout = lockAfterTimeout; 671 } 672 673 if (timeout <= 0) { 674 // Lock now 675 mSuppressNextLockSound = true; 676 doKeyguardLocked(null); 677 } else { 678 // Lock in the future 679 long when = SystemClock.elapsedRealtime() + timeout; 680 Intent intent = new Intent(DELAYED_KEYGUARD_ACTION); 681 intent.putExtra("seq", mDelayedShowingSequence); 682 PendingIntent sender = PendingIntent.getBroadcast(mContext, 683 0, intent, PendingIntent.FLAG_CANCEL_CURRENT); 684 mAlarmManager.set(AlarmManager.ELAPSED_REALTIME_WAKEUP, when, sender); 685 if (DEBUG) Log.d(TAG, "setting alarm to turn off keyguard, seq = " 686 + mDelayedShowingSequence); 687 } 688 } 689 690 private void cancelDoKeyguardLaterLocked() { 691 mDelayedShowingSequence++; 692 } 693 694 /** 695 * Let's us know the screen was turned on. 696 */ 697 public void onScreenTurnedOn(IKeyguardShowCallback callback) { 698 synchronized (this) { 699 mScreenOn = true; 700 cancelDoKeyguardLaterLocked(); 701 if (DEBUG) Log.d(TAG, "onScreenTurnedOn, seq = " + mDelayedShowingSequence); 702 if (callback != null) { 703 notifyScreenOnLocked(callback); 704 } 705 } 706 KeyguardUpdateMonitor.getInstance(mContext).dispatchScreenTurnedOn(); 707 maybeSendUserPresentBroadcast(); 708 } 709 710 private void maybeSendUserPresentBroadcast() { 711 if (mSystemReady && mLockPatternUtils.isLockScreenDisabled()) { 712 // Lock screen is disabled because the user has set the preference to "None". 713 // In this case, send out ACTION_USER_PRESENT here instead of in 714 // handleKeyguardDone() 715 sendUserPresentBroadcast(); 716 } 717 } 718 719 /** 720 * A dream started. We should lock after the usual screen-off lock timeout but only 721 * if there is a secure lock pattern. 722 */ 723 public void onDreamingStarted() { 724 synchronized (this) { 725 if (mScreenOn && mLockPatternUtils.isSecure()) { 726 doKeyguardLaterLocked(); 727 } 728 } 729 } 730 731 /** 732 * A dream stopped. 733 */ 734 public void onDreamingStopped() { 735 synchronized (this) { 736 if (mScreenOn) { 737 cancelDoKeyguardLaterLocked(); 738 } 739 } 740 } 741 742 /** 743 * Same semantics as {@link android.view.WindowManagerPolicy#enableKeyguard}; provide 744 * a way for external stuff to override normal keyguard behavior. For instance 745 * the phone app disables the keyguard when it receives incoming calls. 746 */ 747 public void setKeyguardEnabled(boolean enabled) { 748 synchronized (this) { 749 if (DEBUG) Log.d(TAG, "setKeyguardEnabled(" + enabled + ")"); 750 751 if (isSecure()) { 752 Log.d(TAG, "current mode is SecurityMode, ignore hide keyguard"); 753 return; 754 } 755 756 mExternallyEnabled = enabled; 757 758 if (!enabled && mShowing) { 759 if (mExitSecureCallback != null) { 760 if (DEBUG) Log.d(TAG, "in process of verifyUnlock request, ignoring"); 761 // we're in the process of handling a request to verify the user 762 // can get past the keyguard. ignore extraneous requests to disable / reenable 763 return; 764 } 765 766 // hiding keyguard that is showing, remember to reshow later 767 if (DEBUG) Log.d(TAG, "remembering to reshow, hiding keyguard, " 768 + "disabling status bar expansion"); 769 mNeedToReshowWhenReenabled = true; 770 updateInputRestrictedLocked(); 771 hideLocked(); 772 } else if (enabled && mNeedToReshowWhenReenabled) { 773 // reenabled after previously hidden, reshow 774 if (DEBUG) Log.d(TAG, "previously hidden, reshowing, reenabling " 775 + "status bar expansion"); 776 mNeedToReshowWhenReenabled = false; 777 updateInputRestrictedLocked(); 778 779 if (mExitSecureCallback != null) { 780 if (DEBUG) Log.d(TAG, "onKeyguardExitResult(false), resetting"); 781 try { 782 mExitSecureCallback.onKeyguardExitResult(false); 783 } catch (RemoteException e) { 784 Slog.w(TAG, "Failed to call onKeyguardExitResult(false)", e); 785 } 786 mExitSecureCallback = null; 787 resetStateLocked(); 788 } else { 789 showLocked(null); 790 791 // block until we know the keygaurd is done drawing (and post a message 792 // to unblock us after a timeout so we don't risk blocking too long 793 // and causing an ANR). 794 mWaitingUntilKeyguardVisible = true; 795 mHandler.sendEmptyMessageDelayed(KEYGUARD_DONE_DRAWING, KEYGUARD_DONE_DRAWING_TIMEOUT_MS); 796 if (DEBUG) Log.d(TAG, "waiting until mWaitingUntilKeyguardVisible is false"); 797 while (mWaitingUntilKeyguardVisible) { 798 try { 799 wait(); 800 } catch (InterruptedException e) { 801 Thread.currentThread().interrupt(); 802 } 803 } 804 if (DEBUG) Log.d(TAG, "done waiting for mWaitingUntilKeyguardVisible"); 805 } 806 } 807 } 808 } 809 810 /** 811 * @see android.app.KeyguardManager#exitKeyguardSecurely 812 */ 813 public void verifyUnlock(IKeyguardExitCallback callback) { 814 synchronized (this) { 815 if (DEBUG) Log.d(TAG, "verifyUnlock"); 816 if (shouldWaitForProvisioning()) { 817 // don't allow this api when the device isn't provisioned 818 if (DEBUG) Log.d(TAG, "ignoring because device isn't provisioned"); 819 try { 820 callback.onKeyguardExitResult(false); 821 } catch (RemoteException e) { 822 Slog.w(TAG, "Failed to call onKeyguardExitResult(false)", e); 823 } 824 } else if (mExternallyEnabled) { 825 // this only applies when the user has externally disabled the 826 // keyguard. this is unexpected and means the user is not 827 // using the api properly. 828 Log.w(TAG, "verifyUnlock called when not externally disabled"); 829 try { 830 callback.onKeyguardExitResult(false); 831 } catch (RemoteException e) { 832 Slog.w(TAG, "Failed to call onKeyguardExitResult(false)", e); 833 } 834 } else if (mExitSecureCallback != null) { 835 // already in progress with someone else 836 try { 837 callback.onKeyguardExitResult(false); 838 } catch (RemoteException e) { 839 Slog.w(TAG, "Failed to call onKeyguardExitResult(false)", e); 840 } 841 } else { 842 mExitSecureCallback = callback; 843 verifyUnlockLocked(); 844 } 845 } 846 } 847 848 /** 849 * Is the keyguard currently showing and not being force hidden? 850 */ 851 public boolean isShowingAndNotOccluded() { 852 return mShowing && !mOccluded; 853 } 854 855 /** 856 * Notify us when the keyguard is occluded by another window 857 */ 858 public void setOccluded(boolean isOccluded) { 859 if (DEBUG) Log.d(TAG, "setOccluded " + isOccluded); 860 mHandler.removeMessages(SET_OCCLUDED); 861 Message msg = mHandler.obtainMessage(SET_OCCLUDED, (isOccluded ? 1 : 0), 0); 862 mHandler.sendMessage(msg); 863 } 864 865 /** 866 * Handles SET_OCCLUDED message sent by setOccluded() 867 */ 868 private void handleSetOccluded(boolean isOccluded) { 869 synchronized (KeyguardViewMediator.this) { 870 if (mHiding && isOccluded) { 871 // We're in the process of going away but WindowManager wants to show a 872 // SHOW_WHEN_LOCKED activity instead. 873 startKeyguardExitAnimation(0, 0); 874 } 875 876 if (mOccluded != isOccluded) { 877 mOccluded = isOccluded; 878 mStatusBarKeyguardViewManager.setOccluded(isOccluded); 879 updateActivityLockScreenState(); 880 adjustStatusBarLocked(); 881 } 882 } 883 } 884 885 /** 886 * Used by PhoneWindowManager to enable the keyguard due to a user activity timeout. 887 * This must be safe to call from any thread and with any window manager locks held. 888 */ 889 public void doKeyguardTimeout(Bundle options) { 890 mHandler.removeMessages(KEYGUARD_TIMEOUT); 891 Message msg = mHandler.obtainMessage(KEYGUARD_TIMEOUT, options); 892 mHandler.sendMessage(msg); 893 } 894 895 /** 896 * Given the state of the keyguard, is the input restricted? 897 * Input is restricted when the keyguard is showing, or when the keyguard 898 * was suppressed by an app that disabled the keyguard or we haven't been provisioned yet. 899 */ 900 public boolean isInputRestricted() { 901 return mShowing || mNeedToReshowWhenReenabled || shouldWaitForProvisioning(); 902 } 903 904 private void updateInputRestricted() { 905 synchronized (this) { 906 updateInputRestrictedLocked(); 907 } 908 } 909 private void updateInputRestrictedLocked() { 910 boolean inputRestricted = isInputRestricted(); 911 if (mInputRestricted != inputRestricted) { 912 mInputRestricted = inputRestricted; 913 try { 914 int size = mKeyguardStateCallbacks.size(); 915 for (int i = 0; i < size; i++) { 916 mKeyguardStateCallbacks.get(i).onInputRestrictedStateChanged(inputRestricted); 917 } 918 } catch (RemoteException e) { 919 Slog.w(TAG, "Failed to call onDeviceProvisioned", e); 920 } 921 } 922 } 923 924 /** 925 * Enable the keyguard if the settings are appropriate. 926 */ 927 private void doKeyguardLocked(Bundle options) { 928 // if another app is disabling us, don't show 929 if (!mExternallyEnabled) { 930 if (DEBUG) Log.d(TAG, "doKeyguard: not showing because externally disabled"); 931 932 // note: we *should* set mNeedToReshowWhenReenabled=true here, but that makes 933 // for an occasional ugly flicker in this situation: 934 // 1) receive a call with the screen on (no keyguard) or make a call 935 // 2) screen times out 936 // 3) user hits key to turn screen back on 937 // instead, we reenable the keyguard when we know the screen is off and the call 938 // ends (see the broadcast receiver below) 939 // TODO: clean this up when we have better support at the window manager level 940 // for apps that wish to be on top of the keyguard 941 return; 942 } 943 944 // if the keyguard is already showing, don't bother 945 if (mStatusBarKeyguardViewManager.isShowing()) { 946 if (DEBUG) Log.d(TAG, "doKeyguard: not showing because it is already showing"); 947 resetStateLocked(); 948 return; 949 } 950 951 // if the setup wizard hasn't run yet, don't show 952 final boolean requireSim = !SystemProperties.getBoolean("keyguard.no_require_sim", false); 953 final boolean absent = SubscriptionManager.isValidSubscriptionId( 954 mUpdateMonitor.getNextSubIdForState(IccCardConstants.State.ABSENT)); 955 final boolean disabled = SubscriptionManager.isValidSubscriptionId( 956 mUpdateMonitor.getNextSubIdForState(IccCardConstants.State.PERM_DISABLED)); 957 final boolean lockedOrMissing = mUpdateMonitor.isSimPinSecure() 958 || ((absent || disabled) && requireSim); 959 960 if (!lockedOrMissing && shouldWaitForProvisioning()) { 961 if (DEBUG) Log.d(TAG, "doKeyguard: not showing because device isn't provisioned" 962 + " and the sim is not locked or missing"); 963 return; 964 } 965 966 if (mLockPatternUtils.isLockScreenDisabled() && !lockedOrMissing) { 967 if (DEBUG) Log.d(TAG, "doKeyguard: not showing because lockscreen is off"); 968 return; 969 } 970 971 if (mLockPatternUtils.checkVoldPassword()) { 972 if (DEBUG) Log.d(TAG, "Not showing lock screen since just decrypted"); 973 // Without this, settings is not enabled until the lock screen first appears 974 setShowingLocked(false); 975 hideLocked(); 976 return; 977 } 978 979 if (DEBUG) Log.d(TAG, "doKeyguard: showing the lock screen"); 980 showLocked(options); 981 } 982 983 private boolean shouldWaitForProvisioning() { 984 return !mUpdateMonitor.isDeviceProvisioned() && !isSecure(); 985 } 986 987 /** 988 * Dismiss the keyguard through the security layers. 989 */ 990 public void handleDismiss() { 991 if (mShowing && !mOccluded) { 992 mStatusBarKeyguardViewManager.dismiss(); 993 } 994 } 995 996 public void dismiss() { 997 mHandler.sendEmptyMessage(DISMISS); 998 } 999 1000 /** 1001 * Send message to keyguard telling it to reset its state. 1002 * @see #handleReset 1003 */ 1004 private void resetStateLocked() { 1005 if (DEBUG) Log.e(TAG, "resetStateLocked"); 1006 Message msg = mHandler.obtainMessage(RESET); 1007 mHandler.sendMessage(msg); 1008 } 1009 1010 /** 1011 * Send message to keyguard telling it to verify unlock 1012 * @see #handleVerifyUnlock() 1013 */ 1014 private void verifyUnlockLocked() { 1015 if (DEBUG) Log.d(TAG, "verifyUnlockLocked"); 1016 mHandler.sendEmptyMessage(VERIFY_UNLOCK); 1017 } 1018 1019 1020 /** 1021 * Send a message to keyguard telling it the screen just turned on. 1022 * @see #onScreenTurnedOff(int) 1023 * @see #handleNotifyScreenOff 1024 */ 1025 private void notifyScreenOffLocked() { 1026 if (DEBUG) Log.d(TAG, "notifyScreenOffLocked"); 1027 mHandler.sendEmptyMessage(NOTIFY_SCREEN_OFF); 1028 } 1029 1030 /** 1031 * Send a message to keyguard telling it the screen just turned on. 1032 * @see #onScreenTurnedOn 1033 * @see #handleNotifyScreenOn 1034 */ 1035 private void notifyScreenOnLocked(IKeyguardShowCallback result) { 1036 if (DEBUG) Log.d(TAG, "notifyScreenOnLocked"); 1037 Message msg = mHandler.obtainMessage(NOTIFY_SCREEN_ON, result); 1038 mHandler.sendMessage(msg); 1039 } 1040 1041 /** 1042 * Send message to keyguard telling it to show itself 1043 * @see #handleShow 1044 */ 1045 private void showLocked(Bundle options) { 1046 if (DEBUG) Log.d(TAG, "showLocked"); 1047 // ensure we stay awake until we are finished displaying the keyguard 1048 mShowKeyguardWakeLock.acquire(); 1049 Message msg = mHandler.obtainMessage(SHOW, options); 1050 mHandler.sendMessage(msg); 1051 } 1052 1053 /** 1054 * Send message to keyguard telling it to hide itself 1055 * @see #handleHide() 1056 */ 1057 private void hideLocked() { 1058 if (DEBUG) Log.d(TAG, "hideLocked"); 1059 Message msg = mHandler.obtainMessage(HIDE); 1060 mHandler.sendMessage(msg); 1061 } 1062 1063 public boolean isSecure() { 1064 return mLockPatternUtils.isSecure() 1065 || KeyguardUpdateMonitor.getInstance(mContext).isSimPinSecure(); 1066 } 1067 1068 /** 1069 * Update the newUserId. Call while holding WindowManagerService lock. 1070 * NOTE: Should only be called by KeyguardViewMediator in response to the user id changing. 1071 * 1072 * @param newUserId The id of the incoming user. 1073 */ 1074 public void setCurrentUser(int newUserId) { 1075 mLockPatternUtils.setCurrentUser(newUserId); 1076 } 1077 1078 private final BroadcastReceiver mBroadcastReceiver = new BroadcastReceiver() { 1079 @Override 1080 public void onReceive(Context context, Intent intent) { 1081 if (DELAYED_KEYGUARD_ACTION.equals(intent.getAction())) { 1082 final int sequence = intent.getIntExtra("seq", 0); 1083 if (DEBUG) Log.d(TAG, "received DELAYED_KEYGUARD_ACTION with seq = " 1084 + sequence + ", mDelayedShowingSequence = " + mDelayedShowingSequence); 1085 synchronized (KeyguardViewMediator.this) { 1086 if (mDelayedShowingSequence == sequence) { 1087 // Don't play lockscreen SFX if the screen went off due to timeout. 1088 mSuppressNextLockSound = true; 1089 doKeyguardLocked(null); 1090 } 1091 } 1092 } 1093 } 1094 }; 1095 1096 public void keyguardDone(boolean authenticated, boolean wakeup) { 1097 if (DEBUG) Log.d(TAG, "keyguardDone(" + authenticated + ")"); 1098 EventLog.writeEvent(70000, 2); 1099 Message msg = mHandler.obtainMessage(KEYGUARD_DONE, authenticated ? 1 : 0, wakeup ? 1 : 0); 1100 mHandler.sendMessage(msg); 1101 } 1102 1103 /** 1104 * This handler will be associated with the policy thread, which will also 1105 * be the UI thread of the keyguard. Since the apis of the policy, and therefore 1106 * this class, can be called by other threads, any action that directly 1107 * interacts with the keyguard ui should be posted to this handler, rather 1108 * than called directly. 1109 */ 1110 private Handler mHandler = new Handler(Looper.myLooper(), null, true /*async*/) { 1111 @Override 1112 public void handleMessage(Message msg) { 1113 switch (msg.what) { 1114 case SHOW: 1115 handleShow((Bundle) msg.obj); 1116 break; 1117 case HIDE: 1118 handleHide(); 1119 break; 1120 case RESET: 1121 handleReset(); 1122 break; 1123 case VERIFY_UNLOCK: 1124 handleVerifyUnlock(); 1125 break; 1126 case NOTIFY_SCREEN_OFF: 1127 handleNotifyScreenOff(); 1128 break; 1129 case NOTIFY_SCREEN_ON: 1130 handleNotifyScreenOn((IKeyguardShowCallback) msg.obj); 1131 break; 1132 case KEYGUARD_DONE: 1133 handleKeyguardDone(msg.arg1 != 0, msg.arg2 != 0); 1134 break; 1135 case KEYGUARD_DONE_DRAWING: 1136 handleKeyguardDoneDrawing(); 1137 break; 1138 case KEYGUARD_DONE_AUTHENTICATING: 1139 keyguardDone(true, true); 1140 break; 1141 case SET_OCCLUDED: 1142 handleSetOccluded(msg.arg1 != 0); 1143 break; 1144 case KEYGUARD_TIMEOUT: 1145 synchronized (KeyguardViewMediator.this) { 1146 doKeyguardLocked((Bundle) msg.obj); 1147 } 1148 break; 1149 case DISMISS: 1150 handleDismiss(); 1151 break; 1152 case START_KEYGUARD_EXIT_ANIM: 1153 StartKeyguardExitAnimParams params = (StartKeyguardExitAnimParams) msg.obj; 1154 handleStartKeyguardExitAnimation(params.startTime, params.fadeoutDuration); 1155 break; 1156 case KEYGUARD_DONE_PENDING_TIMEOUT: 1157 Log.w(TAG, "Timeout while waiting for activity drawn!"); 1158 // Fall through. 1159 case ON_ACTIVITY_DRAWN: 1160 handleOnActivityDrawn(); 1161 break; 1162 } 1163 } 1164 }; 1165 1166 /** 1167 * @see #keyguardDone 1168 * @see #KEYGUARD_DONE 1169 */ 1170 private void handleKeyguardDone(boolean authenticated, boolean wakeup) { 1171 if (DEBUG) Log.d(TAG, "handleKeyguardDone"); 1172 synchronized (this) { 1173 resetKeyguardDonePendingLocked(); 1174 } 1175 1176 if (authenticated) { 1177 mUpdateMonitor.clearFailedUnlockAttempts(); 1178 } 1179 mUpdateMonitor.clearFingerprintRecognized(); 1180 1181 if (mExitSecureCallback != null) { 1182 try { 1183 mExitSecureCallback.onKeyguardExitResult(authenticated); 1184 } catch (RemoteException e) { 1185 Slog.w(TAG, "Failed to call onKeyguardExitResult(" + authenticated + ")", e); 1186 } 1187 1188 mExitSecureCallback = null; 1189 1190 if (authenticated) { 1191 // after succesfully exiting securely, no need to reshow 1192 // the keyguard when they've released the lock 1193 mExternallyEnabled = true; 1194 mNeedToReshowWhenReenabled = false; 1195 updateInputRestricted(); 1196 } 1197 } 1198 1199 handleHide(); 1200 } 1201 1202 private void sendUserPresentBroadcast() { 1203 synchronized (this) { 1204 if (mBootCompleted) { 1205 final UserHandle currentUser = new UserHandle(mLockPatternUtils.getCurrentUser()); 1206 final UserManager um = (UserManager) mContext.getSystemService( 1207 Context.USER_SERVICE); 1208 List <UserInfo> userHandles = um.getProfiles(currentUser.getIdentifier()); 1209 for (UserInfo ui : userHandles) { 1210 mContext.sendBroadcastAsUser(USER_PRESENT_INTENT, ui.getUserHandle()); 1211 } 1212 } else { 1213 mBootSendUserPresent = true; 1214 } 1215 } 1216 } 1217 1218 /** 1219 * @see #keyguardDone 1220 * @see #KEYGUARD_DONE_DRAWING 1221 */ 1222 private void handleKeyguardDoneDrawing() { 1223 synchronized(this) { 1224 if (DEBUG) Log.d(TAG, "handleKeyguardDoneDrawing"); 1225 if (mWaitingUntilKeyguardVisible) { 1226 if (DEBUG) Log.d(TAG, "handleKeyguardDoneDrawing: notifying mWaitingUntilKeyguardVisible"); 1227 mWaitingUntilKeyguardVisible = false; 1228 notifyAll(); 1229 1230 // there will usually be two of these sent, one as a timeout, and one 1231 // as a result of the callback, so remove any remaining messages from 1232 // the queue 1233 mHandler.removeMessages(KEYGUARD_DONE_DRAWING); 1234 } 1235 } 1236 } 1237 1238 private void playSounds(boolean locked) { 1239 // User feedback for keyguard. 1240 1241 if (mSuppressNextLockSound) { 1242 mSuppressNextLockSound = false; 1243 return; 1244 } 1245 1246 playSound(locked ? mLockSoundId : mUnlockSoundId); 1247 } 1248 1249 private void playSound(int soundId) { 1250 if (soundId == 0) return; 1251 final ContentResolver cr = mContext.getContentResolver(); 1252 if (Settings.System.getInt(cr, Settings.System.LOCKSCREEN_SOUNDS_ENABLED, 1) == 1) { 1253 1254 mLockSounds.stop(mLockSoundStreamId); 1255 // Init mAudioManager 1256 if (mAudioManager == null) { 1257 mAudioManager = (AudioManager) mContext.getSystemService(Context.AUDIO_SERVICE); 1258 if (mAudioManager == null) return; 1259 mUiSoundsStreamType = mAudioManager.getUiSoundsStreamType(); 1260 } 1261 // If the stream is muted, don't play the sound 1262 if (mAudioManager.isStreamMute(mUiSoundsStreamType)) return; 1263 1264 mLockSoundStreamId = mLockSounds.play(soundId, 1265 mLockSoundVolume, mLockSoundVolume, 1/*priortiy*/, 0/*loop*/, 1.0f/*rate*/); 1266 } 1267 } 1268 1269 private void playTrustedSound() { 1270 if (mSuppressNextLockSound) { 1271 return; 1272 } 1273 playSound(mTrustedSoundId); 1274 } 1275 1276 private void updateActivityLockScreenState() { 1277 try { 1278 ActivityManagerNative.getDefault().setLockScreenShown(mShowing && !mOccluded); 1279 } catch (RemoteException e) { 1280 } 1281 } 1282 1283 /** 1284 * Handle message sent by {@link #showLocked}. 1285 * @see #SHOW 1286 */ 1287 private void handleShow(Bundle options) { 1288 synchronized (KeyguardViewMediator.this) { 1289 if (!mSystemReady) { 1290 if (DEBUG) Log.d(TAG, "ignoring handleShow because system is not ready."); 1291 return; 1292 } else { 1293 if (DEBUG) Log.d(TAG, "handleShow"); 1294 } 1295 1296 setShowingLocked(true); 1297 mStatusBarKeyguardViewManager.show(options); 1298 mHiding = false; 1299 resetKeyguardDonePendingLocked(); 1300 mHideAnimationRun = false; 1301 updateActivityLockScreenState(); 1302 adjustStatusBarLocked(); 1303 userActivity(); 1304 1305 // Do this at the end to not slow down display of the keyguard. 1306 playSounds(true); 1307 1308 mShowKeyguardWakeLock.release(); 1309 } 1310 mKeyguardDisplayManager.show(); 1311 } 1312 1313 private final Runnable mKeyguardGoingAwayRunnable = new Runnable() { 1314 @Override 1315 public void run() { 1316 try { 1317 mStatusBarKeyguardViewManager.keyguardGoingAway(); 1318 1319 // Don't actually hide the Keyguard at the moment, wait for window 1320 // manager until it tells us it's safe to do so with 1321 // startKeyguardExitAnimation. 1322 mWM.keyguardGoingAway( 1323 mStatusBarKeyguardViewManager.shouldDisableWindowAnimationsForUnlock(), 1324 mStatusBarKeyguardViewManager.isGoingToNotificationShade()); 1325 } catch (RemoteException e) { 1326 Log.e(TAG, "Error while calling WindowManager", e); 1327 } 1328 } 1329 }; 1330 1331 /** 1332 * Handle message sent by {@link #hideLocked()} 1333 * @see #HIDE 1334 */ 1335 private void handleHide() { 1336 synchronized (KeyguardViewMediator.this) { 1337 if (DEBUG) Log.d(TAG, "handleHide"); 1338 1339 mHiding = true; 1340 if (mShowing && !mOccluded) { 1341 if (!mHideAnimationRun) { 1342 mStatusBarKeyguardViewManager.startPreHideAnimation(mKeyguardGoingAwayRunnable); 1343 } else { 1344 mKeyguardGoingAwayRunnable.run(); 1345 } 1346 } else { 1347 1348 // Don't try to rely on WindowManager - if Keyguard wasn't showing, window 1349 // manager won't start the exit animation. 1350 handleStartKeyguardExitAnimation( 1351 SystemClock.uptimeMillis() + mHideAnimation.getStartOffset(), 1352 mHideAnimation.getDuration()); 1353 } 1354 } 1355 } 1356 1357 private void handleOnActivityDrawn() { 1358 if (DEBUG) Log.d(TAG, "handleOnActivityDrawn: mKeyguardDonePending=" + mKeyguardDonePending); 1359 if (mKeyguardDonePending) { 1360 mStatusBarKeyguardViewManager.onActivityDrawn(); 1361 } 1362 } 1363 1364 private void handleStartKeyguardExitAnimation(long startTime, long fadeoutDuration) { 1365 synchronized (KeyguardViewMediator.this) { 1366 1367 if (!mHiding) { 1368 return; 1369 } 1370 mHiding = false; 1371 1372 // only play "unlock" noises if not on a call (since the incall UI 1373 // disables the keyguard) 1374 if (TelephonyManager.EXTRA_STATE_IDLE.equals(mPhoneState)) { 1375 playSounds(false); 1376 } 1377 1378 setShowingLocked(false); 1379 mStatusBarKeyguardViewManager.hide(startTime, fadeoutDuration); 1380 resetKeyguardDonePendingLocked(); 1381 mHideAnimationRun = false; 1382 updateActivityLockScreenState(); 1383 adjustStatusBarLocked(); 1384 sendUserPresentBroadcast(); 1385 maybeStopListeningForFingerprint(); 1386 } 1387 } 1388 1389 private void maybeStopListeningForFingerprint() { 1390 mUpdateMonitor.stopListeningForFingerprint(); 1391 } 1392 1393 private void adjustStatusBarLocked() { 1394 if (mStatusBarManager == null) { 1395 mStatusBarManager = (StatusBarManager) 1396 mContext.getSystemService(Context.STATUS_BAR_SERVICE); 1397 } 1398 if (mStatusBarManager == null) { 1399 Log.w(TAG, "Could not get status bar manager"); 1400 } else { 1401 // Disable aspects of the system/status/navigation bars that must not be re-enabled by 1402 // windows that appear on top, ever 1403 int flags = StatusBarManager.DISABLE_NONE; 1404 if (mShowing) { 1405 // Permanently disable components not available when keyguard is enabled 1406 // (like recents). Temporary enable/disable (e.g. the "back" button) are 1407 // done in KeyguardHostView. 1408 flags |= StatusBarManager.DISABLE_RECENT; 1409 flags |= StatusBarManager.DISABLE_SEARCH; 1410 } 1411 if (isShowingAndNotOccluded()) { 1412 flags |= StatusBarManager.DISABLE_HOME; 1413 } 1414 1415 if (DEBUG) { 1416 Log.d(TAG, "adjustStatusBarLocked: mShowing=" + mShowing + " mOccluded=" + mOccluded 1417 + " isSecure=" + isSecure() + " --> flags=0x" + Integer.toHexString(flags)); 1418 } 1419 1420 if (!(mContext instanceof Activity)) { 1421 mStatusBarManager.disable(flags); 1422 } 1423 } 1424 } 1425 1426 /** 1427 * Handle message sent by {@link #resetStateLocked} 1428 * @see #RESET 1429 */ 1430 private void handleReset() { 1431 synchronized (KeyguardViewMediator.this) { 1432 if (DEBUG) Log.d(TAG, "handleReset"); 1433 mStatusBarKeyguardViewManager.reset(); 1434 } 1435 } 1436 1437 /** 1438 * Handle message sent by {@link #verifyUnlock} 1439 * @see #VERIFY_UNLOCK 1440 */ 1441 private void handleVerifyUnlock() { 1442 synchronized (KeyguardViewMediator.this) { 1443 if (DEBUG) Log.d(TAG, "handleVerifyUnlock"); 1444 setShowingLocked(true); 1445 mStatusBarKeyguardViewManager.verifyUnlock(); 1446 updateActivityLockScreenState(); 1447 } 1448 } 1449 1450 /** 1451 * Handle message sent by {@link #notifyScreenOffLocked()} 1452 * @see #NOTIFY_SCREEN_OFF 1453 */ 1454 private void handleNotifyScreenOff() { 1455 synchronized (KeyguardViewMediator.this) { 1456 if (DEBUG) Log.d(TAG, "handleNotifyScreenOff"); 1457 mStatusBarKeyguardViewManager.onScreenTurnedOff(); 1458 } 1459 } 1460 1461 /** 1462 * Handle message sent by {@link #notifyScreenOnLocked} 1463 * @see #NOTIFY_SCREEN_ON 1464 */ 1465 private void handleNotifyScreenOn(IKeyguardShowCallback callback) { 1466 synchronized (KeyguardViewMediator.this) { 1467 if (DEBUG) Log.d(TAG, "handleNotifyScreenOn"); 1468 mStatusBarKeyguardViewManager.onScreenTurnedOn(callback); 1469 } 1470 } 1471 1472 private void resetKeyguardDonePendingLocked() { 1473 mKeyguardDonePending = false; 1474 mHandler.removeMessages(KEYGUARD_DONE_PENDING_TIMEOUT); 1475 } 1476 1477 public void onBootCompleted() { 1478 mUpdateMonitor.dispatchBootCompleted(); 1479 synchronized (this) { 1480 mBootCompleted = true; 1481 if (mBootSendUserPresent) { 1482 sendUserPresentBroadcast(); 1483 } 1484 } 1485 } 1486 1487 public StatusBarKeyguardViewManager registerStatusBar(PhoneStatusBar phoneStatusBar, 1488 ViewGroup container, StatusBarWindowManager statusBarWindowManager, 1489 ScrimController scrimController) { 1490 mStatusBarKeyguardViewManager.registerStatusBar(phoneStatusBar, container, 1491 statusBarWindowManager, scrimController); 1492 return mStatusBarKeyguardViewManager; 1493 } 1494 1495 public void startKeyguardExitAnimation(long startTime, long fadeoutDuration) { 1496 Message msg = mHandler.obtainMessage(START_KEYGUARD_EXIT_ANIM, 1497 new StartKeyguardExitAnimParams(startTime, fadeoutDuration)); 1498 mHandler.sendMessage(msg); 1499 } 1500 1501 public void onActivityDrawn() { 1502 mHandler.sendEmptyMessage(ON_ACTIVITY_DRAWN); 1503 } 1504 public ViewMediatorCallback getViewMediatorCallback() { 1505 return mViewMediatorCallback; 1506 } 1507 1508 private static class StartKeyguardExitAnimParams { 1509 1510 long startTime; 1511 long fadeoutDuration; 1512 1513 private StartKeyguardExitAnimParams(long startTime, long fadeoutDuration) { 1514 this.startTime = startTime; 1515 this.fadeoutDuration = fadeoutDuration; 1516 } 1517 } 1518 1519 private void setShowingLocked(boolean showing) { 1520 if (showing != mShowing) { 1521 mShowing = showing; 1522 try { 1523 int size = mKeyguardStateCallbacks.size(); 1524 for (int i = 0; i < size; i++) { 1525 mKeyguardStateCallbacks.get(i).onShowingStateChanged(showing); 1526 } 1527 } catch (RemoteException e) { 1528 Slog.w(TAG, "Failed to call onShowingStateChanged", e); 1529 } 1530 updateInputRestrictedLocked(); 1531 mTrustManager.reportKeyguardShowingChanged(); 1532 } 1533 } 1534 1535 public void addStateMonitorCallback(IKeyguardStateCallback callback) { 1536 synchronized (this) { 1537 mKeyguardStateCallbacks.add(callback); 1538 try { 1539 callback.onSimSecureStateChanged(mUpdateMonitor.isSimPinSecure()); 1540 callback.onShowingStateChanged(mShowing); 1541 } catch (RemoteException e) { 1542 Slog.w(TAG, "Failed to call onShowingStateChanged or onSimSecureStateChanged", e); 1543 } 1544 } 1545 } 1546} 1547