KeyguardViewMediator.java revision 33ae80e35a1b170309999c9b33b310ca91eb3f05
1/* 2 * Copyright (C) 2014 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License 15 */ 16 17package com.android.systemui.keyguard; 18 19import android.app.Activity; 20import android.app.ActivityManager; 21import android.app.ActivityManagerNative; 22import android.app.AlarmManager; 23import android.app.PendingIntent; 24import android.app.SearchManager; 25import android.app.StatusBarManager; 26import android.app.trust.TrustManager; 27import android.content.BroadcastReceiver; 28import android.content.ContentResolver; 29import android.content.Context; 30import android.content.Intent; 31import android.content.IntentFilter; 32import android.content.pm.UserInfo; 33import android.media.AudioManager; 34import android.media.SoundPool; 35import android.os.Bundle; 36import android.os.Handler; 37import android.os.Looper; 38import android.os.Message; 39import android.os.PowerManager; 40import android.os.RemoteException; 41import android.os.SystemClock; 42import android.os.SystemProperties; 43import android.os.UserHandle; 44import android.os.UserManager; 45import android.provider.Settings; 46import android.telephony.SubscriptionManager; 47import android.telephony.TelephonyManager; 48import android.util.EventLog; 49import android.util.Log; 50import android.util.Slog; 51import android.view.IWindowManager; 52import android.view.ViewGroup; 53import android.view.WindowManagerGlobal; 54import android.view.WindowManagerPolicy; 55import android.view.animation.Animation; 56import android.view.animation.AnimationUtils; 57import com.android.internal.policy.IKeyguardExitCallback; 58import com.android.internal.policy.IKeyguardShowCallback; 59import com.android.internal.policy.IKeyguardStateCallback; 60import com.android.internal.telephony.IccCardConstants; 61import com.android.internal.widget.LockPatternUtils; 62import com.android.keyguard.KeyguardConstants; 63import com.android.keyguard.KeyguardDisplayManager; 64import com.android.keyguard.KeyguardUpdateMonitor; 65import com.android.keyguard.KeyguardUpdateMonitorCallback; 66import com.android.keyguard.ViewMediatorCallback; 67import com.android.systemui.SystemUI; 68import com.android.systemui.statusbar.phone.PhoneStatusBar; 69import com.android.systemui.statusbar.phone.ScrimController; 70import com.android.systemui.statusbar.phone.StatusBarKeyguardViewManager; 71import com.android.systemui.statusbar.phone.StatusBarWindowManager; 72 73import java.util.ArrayList; 74import java.util.List; 75 76import static android.provider.Settings.System.SCREEN_OFF_TIMEOUT; 77 78 79/** 80 * Mediates requests related to the keyguard. This includes queries about the 81 * state of the keyguard, power management events that effect whether the keyguard 82 * should be shown or reset, callbacks to the phone window manager to notify 83 * it of when the keyguard is showing, and events from the keyguard view itself 84 * stating that the keyguard was succesfully unlocked. 85 * 86 * Note that the keyguard view is shown when the screen is off (as appropriate) 87 * so that once the screen comes on, it will be ready immediately. 88 * 89 * Example queries about the keyguard: 90 * - is {movement, key} one that should wake the keygaurd? 91 * - is the keyguard showing? 92 * - are input events restricted due to the state of the keyguard? 93 * 94 * Callbacks to the phone window manager: 95 * - the keyguard is showing 96 * 97 * Example external events that translate to keyguard view changes: 98 * - screen turned off -> reset the keyguard, and show it so it will be ready 99 * next time the screen turns on 100 * - keyboard is slid open -> if the keyguard is not secure, hide it 101 * 102 * Events from the keyguard view: 103 * - user succesfully unlocked keyguard -> hide keyguard view, and no longer 104 * restrict input events. 105 * 106 * Note: in addition to normal power managment events that effect the state of 107 * whether the keyguard should be showing, external apps and services may request 108 * that the keyguard be disabled via {@link #setKeyguardEnabled(boolean)}. When 109 * false, this will override all other conditions for turning on the keyguard. 110 * 111 * Threading and synchronization: 112 * This class is created by the initialization routine of the {@link android.view.WindowManagerPolicy}, 113 * and runs on its thread. The keyguard UI is created from that thread in the 114 * constructor of this class. The apis may be called from other threads, including the 115 * {@link com.android.server.input.InputManagerService}'s and {@link android.view.WindowManager}'s. 116 * Therefore, methods on this class are synchronized, and any action that is pointed 117 * directly to the keyguard UI is posted to a {@link android.os.Handler} to ensure it is taken on the UI 118 * thread of the keyguard. 119 */ 120public class KeyguardViewMediator extends SystemUI { 121 private static final int KEYGUARD_DISPLAY_TIMEOUT_DELAY_DEFAULT = 30000; 122 private static final long KEYGUARD_DONE_PENDING_TIMEOUT_MS = 3000; 123 124 private static final boolean DEBUG = KeyguardConstants.DEBUG; 125 private static final boolean DEBUG_SIM_STATES = KeyguardConstants.DEBUG_SIM_STATES; 126 private final static boolean DBG_WAKE = false; 127 128 private final static String TAG = "KeyguardViewMediator"; 129 130 private static final String DELAYED_KEYGUARD_ACTION = 131 "com.android.internal.policy.impl.PhoneWindowManager.DELAYED_KEYGUARD"; 132 133 // used for handler messages 134 private static final int SHOW = 2; 135 private static final int HIDE = 3; 136 private static final int RESET = 4; 137 private static final int VERIFY_UNLOCK = 5; 138 private static final int NOTIFY_SCREEN_OFF = 6; 139 private static final int NOTIFY_SCREEN_ON = 7; 140 private static final int KEYGUARD_DONE = 9; 141 private static final int KEYGUARD_DONE_DRAWING = 10; 142 private static final int KEYGUARD_DONE_AUTHENTICATING = 11; 143 private static final int SET_OCCLUDED = 12; 144 private static final int KEYGUARD_TIMEOUT = 13; 145 private static final int DISMISS = 17; 146 private static final int START_KEYGUARD_EXIT_ANIM = 18; 147 private static final int ON_ACTIVITY_DRAWN = 19; 148 private static final int KEYGUARD_DONE_PENDING_TIMEOUT = 20; 149 150 /** 151 * The default amount of time we stay awake (used for all key input) 152 */ 153 public static final int AWAKE_INTERVAL_DEFAULT_MS = 10000; 154 155 /** 156 * How long to wait after the screen turns off due to timeout before 157 * turning on the keyguard (i.e, the user has this much time to turn 158 * the screen back on without having to face the keyguard). 159 */ 160 private static final int KEYGUARD_LOCK_AFTER_DELAY_DEFAULT = 5000; 161 162 /** 163 * How long we'll wait for the {@link ViewMediatorCallback#keyguardDoneDrawing()} 164 * callback before unblocking a call to {@link #setKeyguardEnabled(boolean)} 165 * that is reenabling the keyguard. 166 */ 167 private static final int KEYGUARD_DONE_DRAWING_TIMEOUT_MS = 2000; 168 169 /** 170 * Secure setting whether analytics are collected on the keyguard. 171 */ 172 private static final String KEYGUARD_ANALYTICS_SETTING = "keyguard_analytics"; 173 174 /** The stream type that the lock sounds are tied to. */ 175 private int mMasterStreamType; 176 177 private AlarmManager mAlarmManager; 178 private AudioManager mAudioManager; 179 private StatusBarManager mStatusBarManager; 180 private boolean mSwitchingUser; 181 182 private boolean mSystemReady; 183 private boolean mBootCompleted; 184 private boolean mBootSendUserPresent; 185 186 // Whether the next call to playSounds() should be skipped. Defaults to 187 // true because the first lock (on boot) should be silent. 188 private boolean mSuppressNextLockSound = true; 189 190 191 /** High level access to the power manager for WakeLocks */ 192 private PowerManager mPM; 193 194 /** High level access to the window manager for dismissing keyguard animation */ 195 private IWindowManager mWM; 196 197 198 /** TrustManager for letting it know when we change visibility */ 199 private TrustManager mTrustManager; 200 201 /** SearchManager for determining whether or not search assistant is available */ 202 private SearchManager mSearchManager; 203 204 /** 205 * Used to keep the device awake while to ensure the keyguard finishes opening before 206 * we sleep. 207 */ 208 private PowerManager.WakeLock mShowKeyguardWakeLock; 209 210 private StatusBarKeyguardViewManager mStatusBarKeyguardViewManager; 211 212 // these are protected by synchronized (this) 213 214 /** 215 * External apps (like the phone app) can tell us to disable the keygaurd. 216 */ 217 private boolean mExternallyEnabled = true; 218 219 /** 220 * Remember if an external call to {@link #setKeyguardEnabled} with value 221 * false caused us to hide the keyguard, so that we need to reshow it once 222 * the keygaurd is reenabled with another call with value true. 223 */ 224 private boolean mNeedToReshowWhenReenabled = false; 225 226 // cached value of whether we are showing (need to know this to quickly 227 // answer whether the input should be restricted) 228 private boolean mShowing; 229 230 /** Cached value of #isInputRestricted */ 231 private boolean mInputRestricted; 232 233 // true if the keyguard is hidden by another window 234 private boolean mOccluded = false; 235 236 /** 237 * Helps remember whether the screen has turned on since the last time 238 * it turned off due to timeout. see {@link #onScreenTurnedOff(int)} 239 */ 240 private int mDelayedShowingSequence; 241 242 /** 243 * If the user has disabled the keyguard, then requests to exit, this is 244 * how we'll ultimately let them know whether it was successful. We use this 245 * var being non-null as an indicator that there is an in progress request. 246 */ 247 private IKeyguardExitCallback mExitSecureCallback; 248 249 // the properties of the keyguard 250 251 private KeyguardUpdateMonitor mUpdateMonitor; 252 253 private boolean mScreenOn; 254 255 // last known state of the cellular connection 256 private String mPhoneState = TelephonyManager.EXTRA_STATE_IDLE; 257 258 /** 259 * Whether a hide is pending an we are just waiting for #startKeyguardExitAnimation to be 260 * called. 261 * */ 262 private boolean mHiding; 263 264 /** 265 * we send this intent when the keyguard is dismissed. 266 */ 267 private static final Intent USER_PRESENT_INTENT = new Intent(Intent.ACTION_USER_PRESENT) 268 .addFlags(Intent.FLAG_RECEIVER_REPLACE_PENDING 269 | Intent.FLAG_RECEIVER_REGISTERED_ONLY_BEFORE_BOOT); 270 271 /** 272 * {@link #setKeyguardEnabled} waits on this condition when it reenables 273 * the keyguard. 274 */ 275 private boolean mWaitingUntilKeyguardVisible = false; 276 private LockPatternUtils mLockPatternUtils; 277 private boolean mKeyguardDonePending = false; 278 private boolean mHideAnimationRun = false; 279 280 private SoundPool mLockSounds; 281 private int mLockSoundId; 282 private int mUnlockSoundId; 283 private int mTrustedSoundId; 284 private int mLockSoundStreamId; 285 286 /** 287 * The animation used for hiding keyguard. This is used to fetch the animation timings if 288 * WindowManager is not providing us with them. 289 */ 290 private Animation mHideAnimation; 291 292 /** 293 * The volume applied to the lock/unlock sounds. 294 */ 295 private float mLockSoundVolume; 296 297 /** 298 * For managing external displays 299 */ 300 private KeyguardDisplayManager mKeyguardDisplayManager; 301 302 private final ArrayList<IKeyguardStateCallback> mKeyguardStateCallbacks = new ArrayList<>(); 303 304 KeyguardUpdateMonitorCallback mUpdateCallback = new KeyguardUpdateMonitorCallback() { 305 306 @Override 307 public void onUserSwitching(int userId) { 308 // Note that the mLockPatternUtils user has already been updated from setCurrentUser. 309 // We need to force a reset of the views, since lockNow (called by 310 // ActivityManagerService) will not reconstruct the keyguard if it is already showing. 311 synchronized (KeyguardViewMediator.this) { 312 mSwitchingUser = true; 313 resetKeyguardDonePendingLocked(); 314 resetStateLocked(); 315 adjustStatusBarLocked(); 316 } 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 public void onFingerprintRecognized(int userId) { 440 if (mStatusBarKeyguardViewManager.isBouncerShowing()) { 441 mViewMediatorCallback.keyguardDone(true); 442 } 443 }; 444 445 }; 446 447 ViewMediatorCallback mViewMediatorCallback = new ViewMediatorCallback() { 448 449 public void userActivity() { 450 KeyguardViewMediator.this.userActivity(); 451 } 452 453 public void keyguardDone(boolean authenticated) { 454 if (!mKeyguardDonePending) { 455 KeyguardViewMediator.this.keyguardDone(authenticated, true); 456 } 457 } 458 459 public void keyguardDoneDrawing() { 460 mHandler.sendEmptyMessage(KEYGUARD_DONE_DRAWING); 461 } 462 463 @Override 464 public void setNeedsInput(boolean needsInput) { 465 mStatusBarKeyguardViewManager.setNeedsInput(needsInput); 466 } 467 468 @Override 469 public void keyguardDonePending() { 470 mKeyguardDonePending = true; 471 mHideAnimationRun = true; 472 mStatusBarKeyguardViewManager.startPreHideAnimation(null /* finishRunnable */); 473 mHandler.sendEmptyMessageDelayed(KEYGUARD_DONE_PENDING_TIMEOUT, 474 KEYGUARD_DONE_PENDING_TIMEOUT_MS); 475 } 476 477 @Override 478 public void keyguardGone() { 479 mKeyguardDisplayManager.hide(); 480 } 481 482 @Override 483 public void readyForKeyguardDone() { 484 if (mKeyguardDonePending) { 485 // Somebody has called keyguardDonePending before, which means that we are 486 // authenticated 487 KeyguardViewMediator.this.keyguardDone(true /* authenticated */, true /* wakeUp */); 488 } 489 } 490 491 @Override 492 public void resetKeyguard() { 493 resetStateLocked(); 494 } 495 496 @Override 497 public void playTrustedSound() { 498 KeyguardViewMediator.this.playTrustedSound(); 499 } 500 501 @Override 502 public boolean isInputRestricted() { 503 return KeyguardViewMediator.this.isInputRestricted(); 504 } 505 }; 506 507 public void userActivity() { 508 mPM.userActivity(SystemClock.uptimeMillis(), false); 509 } 510 511 private void setupLocked() { 512 mPM = (PowerManager) mContext.getSystemService(Context.POWER_SERVICE); 513 mWM = WindowManagerGlobal.getWindowManagerService(); 514 mTrustManager = (TrustManager) mContext.getSystemService(Context.TRUST_SERVICE); 515 516 mShowKeyguardWakeLock = mPM.newWakeLock(PowerManager.PARTIAL_WAKE_LOCK, "show keyguard"); 517 mShowKeyguardWakeLock.setReferenceCounted(false); 518 519 mContext.registerReceiver(mBroadcastReceiver, new IntentFilter(DELAYED_KEYGUARD_ACTION)); 520 521 mKeyguardDisplayManager = new KeyguardDisplayManager(mContext); 522 523 mAlarmManager = (AlarmManager) mContext.getSystemService(Context.ALARM_SERVICE); 524 525 mUpdateMonitor = KeyguardUpdateMonitor.getInstance(mContext); 526 527 mLockPatternUtils = new LockPatternUtils(mContext); 528 mLockPatternUtils.setCurrentUser(ActivityManager.getCurrentUser()); 529 530 // Assume keyguard is showing (unless it's disabled) until we know for sure... 531 setShowingLocked(!shouldWaitForProvisioning() && !mLockPatternUtils.isLockScreenDisabled()); 532 mTrustManager.reportKeyguardShowingChanged(); 533 534 mStatusBarKeyguardViewManager = new StatusBarKeyguardViewManager(mContext, 535 mViewMediatorCallback, mLockPatternUtils); 536 final ContentResolver cr = mContext.getContentResolver(); 537 538 mScreenOn = mPM.isScreenOn(); 539 540 mLockSounds = new SoundPool(1, AudioManager.STREAM_SYSTEM, 0); 541 String soundPath = Settings.Global.getString(cr, Settings.Global.LOCK_SOUND); 542 if (soundPath != null) { 543 mLockSoundId = mLockSounds.load(soundPath, 1); 544 } 545 if (soundPath == null || mLockSoundId == 0) { 546 Log.w(TAG, "failed to load lock sound from " + soundPath); 547 } 548 soundPath = Settings.Global.getString(cr, Settings.Global.UNLOCK_SOUND); 549 if (soundPath != null) { 550 mUnlockSoundId = mLockSounds.load(soundPath, 1); 551 } 552 if (soundPath == null || mUnlockSoundId == 0) { 553 Log.w(TAG, "failed to load unlock sound from " + soundPath); 554 } 555 soundPath = Settings.Global.getString(cr, Settings.Global.TRUSTED_SOUND); 556 if (soundPath != null) { 557 mTrustedSoundId = mLockSounds.load(soundPath, 1); 558 } 559 if (soundPath == null || mTrustedSoundId == 0) { 560 Log.w(TAG, "failed to load trusted sound from " + soundPath); 561 } 562 563 int lockSoundDefaultAttenuation = mContext.getResources().getInteger( 564 com.android.internal.R.integer.config_lockSoundVolumeDb); 565 mLockSoundVolume = (float)Math.pow(10, (float)lockSoundDefaultAttenuation/20); 566 567 mHideAnimation = AnimationUtils.loadAnimation(mContext, 568 com.android.internal.R.anim.lock_screen_behind_enter); 569 } 570 571 @Override 572 public void start() { 573 synchronized (this) { 574 setupLocked(); 575 } 576 putComponent(KeyguardViewMediator.class, this); 577 } 578 579 /** 580 * Let us know that the system is ready after startup. 581 */ 582 public void onSystemReady() { 583 mSearchManager = (SearchManager) mContext.getSystemService(Context.SEARCH_SERVICE); 584 synchronized (this) { 585 if (DEBUG) Log.d(TAG, "onSystemReady"); 586 mSystemReady = true; 587 mUpdateMonitor.registerCallback(mUpdateCallback); 588 589 doKeyguardLocked(null); 590 } 591 // Most services aren't available until the system reaches the ready state, so we 592 // send it here when the device first boots. 593 maybeSendUserPresentBroadcast(); 594 } 595 596 /** 597 * Called to let us know the screen was turned off. 598 * @param why either {@link android.view.WindowManagerPolicy#OFF_BECAUSE_OF_USER} or 599 * {@link android.view.WindowManagerPolicy#OFF_BECAUSE_OF_TIMEOUT}. 600 */ 601 public void onScreenTurnedOff(int why) { 602 synchronized (this) { 603 mScreenOn = false; 604 if (DEBUG) Log.d(TAG, "onScreenTurnedOff(" + why + ")"); 605 606 resetKeyguardDonePendingLocked(); 607 mHideAnimationRun = false; 608 609 // Lock immediately based on setting if secure (user has a pin/pattern/password). 610 // This also "locks" the device when not secure to provide easy access to the 611 // camera while preventing unwanted input. 612 final boolean lockImmediately = 613 mLockPatternUtils.getPowerButtonInstantlyLocks() || !mLockPatternUtils.isSecure(); 614 615 notifyScreenOffLocked(); 616 617 if (mExitSecureCallback != null) { 618 if (DEBUG) Log.d(TAG, "pending exit secure callback cancelled"); 619 try { 620 mExitSecureCallback.onKeyguardExitResult(false); 621 } catch (RemoteException e) { 622 Slog.w(TAG, "Failed to call onKeyguardExitResult(false)", e); 623 } 624 mExitSecureCallback = null; 625 if (!mExternallyEnabled) { 626 hideLocked(); 627 } 628 } else if (mShowing) { 629 resetStateLocked(); 630 } else if (why == WindowManagerPolicy.OFF_BECAUSE_OF_TIMEOUT 631 || (why == WindowManagerPolicy.OFF_BECAUSE_OF_USER && !lockImmediately)) { 632 doKeyguardLaterLocked(); 633 } else { 634 doKeyguardLocked(null); 635 } 636 } 637 KeyguardUpdateMonitor.getInstance(mContext).dispatchScreenTurndOff(why); 638 } 639 640 private void doKeyguardLaterLocked() { 641 // if the screen turned off because of timeout or the user hit the power button 642 // and we don't need to lock immediately, set an alarm 643 // to enable it a little bit later (i.e, give the user a chance 644 // to turn the screen back on within a certain window without 645 // having to unlock the screen) 646 final ContentResolver cr = mContext.getContentResolver(); 647 648 // From DisplaySettings 649 long displayTimeout = Settings.System.getInt(cr, SCREEN_OFF_TIMEOUT, 650 KEYGUARD_DISPLAY_TIMEOUT_DELAY_DEFAULT); 651 652 // From SecuritySettings 653 final long lockAfterTimeout = Settings.Secure.getInt(cr, 654 Settings.Secure.LOCK_SCREEN_LOCK_AFTER_TIMEOUT, 655 KEYGUARD_LOCK_AFTER_DELAY_DEFAULT); 656 657 // From DevicePolicyAdmin 658 final long policyTimeout = mLockPatternUtils.getDevicePolicyManager() 659 .getMaximumTimeToLock(null, mLockPatternUtils.getCurrentUser()); 660 661 long timeout; 662 if (policyTimeout > 0) { 663 // policy in effect. Make sure we don't go beyond policy limit. 664 displayTimeout = Math.max(displayTimeout, 0); // ignore negative values 665 timeout = Math.min(policyTimeout - displayTimeout, lockAfterTimeout); 666 } else { 667 timeout = lockAfterTimeout; 668 } 669 670 if (timeout <= 0) { 671 // Lock now 672 mSuppressNextLockSound = true; 673 doKeyguardLocked(null); 674 } else { 675 // Lock in the future 676 long when = SystemClock.elapsedRealtime() + timeout; 677 Intent intent = new Intent(DELAYED_KEYGUARD_ACTION); 678 intent.putExtra("seq", mDelayedShowingSequence); 679 PendingIntent sender = PendingIntent.getBroadcast(mContext, 680 0, intent, PendingIntent.FLAG_CANCEL_CURRENT); 681 mAlarmManager.set(AlarmManager.ELAPSED_REALTIME_WAKEUP, when, sender); 682 if (DEBUG) Log.d(TAG, "setting alarm to turn off keyguard, seq = " 683 + mDelayedShowingSequence); 684 } 685 } 686 687 private void cancelDoKeyguardLaterLocked() { 688 mDelayedShowingSequence++; 689 } 690 691 /** 692 * Let's us know the screen was turned on. 693 */ 694 public void onScreenTurnedOn(IKeyguardShowCallback callback) { 695 synchronized (this) { 696 mScreenOn = true; 697 cancelDoKeyguardLaterLocked(); 698 if (DEBUG) Log.d(TAG, "onScreenTurnedOn, seq = " + mDelayedShowingSequence); 699 if (callback != null) { 700 notifyScreenOnLocked(callback); 701 } 702 } 703 KeyguardUpdateMonitor.getInstance(mContext).dispatchScreenTurnedOn(); 704 maybeSendUserPresentBroadcast(); 705 } 706 707 private void maybeSendUserPresentBroadcast() { 708 if (mSystemReady && mLockPatternUtils.isLockScreenDisabled()) { 709 // Lock screen is disabled because the user has set the preference to "None". 710 // In this case, send out ACTION_USER_PRESENT here instead of in 711 // handleKeyguardDone() 712 sendUserPresentBroadcast(); 713 } 714 } 715 716 /** 717 * A dream started. We should lock after the usual screen-off lock timeout but only 718 * if there is a secure lock pattern. 719 */ 720 public void onDreamingStarted() { 721 synchronized (this) { 722 if (mScreenOn && mLockPatternUtils.isSecure()) { 723 doKeyguardLaterLocked(); 724 } 725 } 726 } 727 728 /** 729 * A dream stopped. 730 */ 731 public void onDreamingStopped() { 732 synchronized (this) { 733 if (mScreenOn) { 734 cancelDoKeyguardLaterLocked(); 735 } 736 } 737 } 738 739 /** 740 * Same semantics as {@link android.view.WindowManagerPolicy#enableKeyguard}; provide 741 * a way for external stuff to override normal keyguard behavior. For instance 742 * the phone app disables the keyguard when it receives incoming calls. 743 */ 744 public void setKeyguardEnabled(boolean enabled) { 745 synchronized (this) { 746 if (DEBUG) Log.d(TAG, "setKeyguardEnabled(" + enabled + ")"); 747 748 mExternallyEnabled = enabled; 749 750 if (!enabled && mShowing) { 751 if (mExitSecureCallback != null) { 752 if (DEBUG) Log.d(TAG, "in process of verifyUnlock request, ignoring"); 753 // we're in the process of handling a request to verify the user 754 // can get past the keyguard. ignore extraneous requests to disable / reenable 755 return; 756 } 757 758 // hiding keyguard that is showing, remember to reshow later 759 if (DEBUG) Log.d(TAG, "remembering to reshow, hiding keyguard, " 760 + "disabling status bar expansion"); 761 mNeedToReshowWhenReenabled = true; 762 updateInputRestrictedLocked(); 763 hideLocked(); 764 } else if (enabled && mNeedToReshowWhenReenabled) { 765 // reenabled after previously hidden, reshow 766 if (DEBUG) Log.d(TAG, "previously hidden, reshowing, reenabling " 767 + "status bar expansion"); 768 mNeedToReshowWhenReenabled = false; 769 updateInputRestrictedLocked(); 770 771 if (mExitSecureCallback != null) { 772 if (DEBUG) Log.d(TAG, "onKeyguardExitResult(false), resetting"); 773 try { 774 mExitSecureCallback.onKeyguardExitResult(false); 775 } catch (RemoteException e) { 776 Slog.w(TAG, "Failed to call onKeyguardExitResult(false)", e); 777 } 778 mExitSecureCallback = null; 779 resetStateLocked(); 780 } else { 781 showLocked(null); 782 783 // block until we know the keygaurd is done drawing (and post a message 784 // to unblock us after a timeout so we don't risk blocking too long 785 // and causing an ANR). 786 mWaitingUntilKeyguardVisible = true; 787 mHandler.sendEmptyMessageDelayed(KEYGUARD_DONE_DRAWING, KEYGUARD_DONE_DRAWING_TIMEOUT_MS); 788 if (DEBUG) Log.d(TAG, "waiting until mWaitingUntilKeyguardVisible is false"); 789 while (mWaitingUntilKeyguardVisible) { 790 try { 791 wait(); 792 } catch (InterruptedException e) { 793 Thread.currentThread().interrupt(); 794 } 795 } 796 if (DEBUG) Log.d(TAG, "done waiting for mWaitingUntilKeyguardVisible"); 797 } 798 } 799 } 800 } 801 802 /** 803 * @see android.app.KeyguardManager#exitKeyguardSecurely 804 */ 805 public void verifyUnlock(IKeyguardExitCallback callback) { 806 synchronized (this) { 807 if (DEBUG) Log.d(TAG, "verifyUnlock"); 808 if (shouldWaitForProvisioning()) { 809 // don't allow this api when the device isn't provisioned 810 if (DEBUG) Log.d(TAG, "ignoring because device isn't provisioned"); 811 try { 812 callback.onKeyguardExitResult(false); 813 } catch (RemoteException e) { 814 Slog.w(TAG, "Failed to call onKeyguardExitResult(false)", e); 815 } 816 } else if (mExternallyEnabled) { 817 // this only applies when the user has externally disabled the 818 // keyguard. this is unexpected and means the user is not 819 // using the api properly. 820 Log.w(TAG, "verifyUnlock called when not externally disabled"); 821 try { 822 callback.onKeyguardExitResult(false); 823 } catch (RemoteException e) { 824 Slog.w(TAG, "Failed to call onKeyguardExitResult(false)", e); 825 } 826 } else if (mExitSecureCallback != null) { 827 // already in progress with someone else 828 try { 829 callback.onKeyguardExitResult(false); 830 } catch (RemoteException e) { 831 Slog.w(TAG, "Failed to call onKeyguardExitResult(false)", e); 832 } 833 } else { 834 mExitSecureCallback = callback; 835 verifyUnlockLocked(); 836 } 837 } 838 } 839 840 /** 841 * Is the keyguard currently showing and not being force hidden? 842 */ 843 public boolean isShowingAndNotOccluded() { 844 return mShowing && !mOccluded; 845 } 846 847 /** 848 * Notify us when the keyguard is occluded by another window 849 */ 850 public void setOccluded(boolean isOccluded) { 851 if (DEBUG) Log.d(TAG, "setOccluded " + isOccluded); 852 mHandler.removeMessages(SET_OCCLUDED); 853 Message msg = mHandler.obtainMessage(SET_OCCLUDED, (isOccluded ? 1 : 0), 0); 854 mHandler.sendMessage(msg); 855 } 856 857 /** 858 * Handles SET_OCCLUDED message sent by setOccluded() 859 */ 860 private void handleSetOccluded(boolean isOccluded) { 861 synchronized (KeyguardViewMediator.this) { 862 if (mOccluded != isOccluded) { 863 mOccluded = isOccluded; 864 mStatusBarKeyguardViewManager.setOccluded(isOccluded); 865 updateActivityLockScreenState(); 866 adjustStatusBarLocked(); 867 } 868 } 869 } 870 871 /** 872 * Used by PhoneWindowManager to enable the keyguard due to a user activity timeout. 873 * This must be safe to call from any thread and with any window manager locks held. 874 */ 875 public void doKeyguardTimeout(Bundle options) { 876 mHandler.removeMessages(KEYGUARD_TIMEOUT); 877 Message msg = mHandler.obtainMessage(KEYGUARD_TIMEOUT, options); 878 mHandler.sendMessage(msg); 879 } 880 881 /** 882 * Given the state of the keyguard, is the input restricted? 883 * Input is restricted when the keyguard is showing, or when the keyguard 884 * was suppressed by an app that disabled the keyguard or we haven't been provisioned yet. 885 */ 886 public boolean isInputRestricted() { 887 return mShowing || mNeedToReshowWhenReenabled || shouldWaitForProvisioning(); 888 } 889 890 private void updateInputRestricted() { 891 synchronized (this) { 892 updateInputRestrictedLocked(); 893 } 894 } 895 private void updateInputRestrictedLocked() { 896 boolean inputRestricted = isInputRestricted(); 897 if (mInputRestricted != inputRestricted) { 898 mInputRestricted = inputRestricted; 899 try { 900 int size = mKeyguardStateCallbacks.size(); 901 for (int i = 0; i < size; i++) { 902 mKeyguardStateCallbacks.get(i).onInputRestrictedStateChanged(inputRestricted); 903 } 904 } catch (RemoteException e) { 905 Slog.w(TAG, "Failed to call onDeviceProvisioned", e); 906 } 907 } 908 } 909 910 /** 911 * Enable the keyguard if the settings are appropriate. 912 */ 913 private void doKeyguardLocked(Bundle options) { 914 // if another app is disabling us, don't show 915 if (!mExternallyEnabled) { 916 if (DEBUG) Log.d(TAG, "doKeyguard: not showing because externally disabled"); 917 918 // note: we *should* set mNeedToReshowWhenReenabled=true here, but that makes 919 // for an occasional ugly flicker in this situation: 920 // 1) receive a call with the screen on (no keyguard) or make a call 921 // 2) screen times out 922 // 3) user hits key to turn screen back on 923 // instead, we reenable the keyguard when we know the screen is off and the call 924 // ends (see the broadcast receiver below) 925 // TODO: clean this up when we have better support at the window manager level 926 // for apps that wish to be on top of the keyguard 927 return; 928 } 929 930 // if the keyguard is already showing, don't bother 931 if (mStatusBarKeyguardViewManager.isShowing()) { 932 if (DEBUG) Log.d(TAG, "doKeyguard: not showing because it is already showing"); 933 resetStateLocked(); 934 return; 935 } 936 937 // if the setup wizard hasn't run yet, don't show 938 final boolean requireSim = !SystemProperties.getBoolean("keyguard.no_require_sim", false); 939 final boolean absent = SubscriptionManager.isValidSubscriptionId( 940 mUpdateMonitor.getNextSubIdForState(IccCardConstants.State.ABSENT)); 941 final boolean disabled = SubscriptionManager.isValidSubscriptionId( 942 mUpdateMonitor.getNextSubIdForState(IccCardConstants.State.PERM_DISABLED)); 943 final boolean lockedOrMissing = mUpdateMonitor.isSimPinSecure() 944 || ((absent || disabled) && requireSim); 945 946 if (!lockedOrMissing && shouldWaitForProvisioning()) { 947 if (DEBUG) Log.d(TAG, "doKeyguard: not showing because device isn't provisioned" 948 + " and the sim is not locked or missing"); 949 return; 950 } 951 952 if (mLockPatternUtils.isLockScreenDisabled() && !lockedOrMissing) { 953 if (DEBUG) Log.d(TAG, "doKeyguard: not showing because lockscreen is off"); 954 return; 955 } 956 957 if (mLockPatternUtils.checkVoldPassword()) { 958 if (DEBUG) Log.d(TAG, "Not showing lock screen since just decrypted"); 959 // Without this, settings is not enabled until the lock screen first appears 960 setShowingLocked(false); 961 hideLocked(); 962 return; 963 } 964 965 if (DEBUG) Log.d(TAG, "doKeyguard: showing the lock screen"); 966 showLocked(options); 967 } 968 969 private boolean shouldWaitForProvisioning() { 970 return !mUpdateMonitor.isDeviceProvisioned() && !isSecure(); 971 } 972 973 /** 974 * Dismiss the keyguard through the security layers. 975 */ 976 public void handleDismiss() { 977 if (mShowing && !mOccluded) { 978 mStatusBarKeyguardViewManager.dismiss(); 979 } 980 } 981 982 public void dismiss() { 983 mHandler.sendEmptyMessage(DISMISS); 984 } 985 986 /** 987 * Send message to keyguard telling it to reset its state. 988 * @see #handleReset 989 */ 990 private void resetStateLocked() { 991 if (DEBUG) Log.e(TAG, "resetStateLocked"); 992 Message msg = mHandler.obtainMessage(RESET); 993 mHandler.sendMessage(msg); 994 } 995 996 /** 997 * Send message to keyguard telling it to verify unlock 998 * @see #handleVerifyUnlock() 999 */ 1000 private void verifyUnlockLocked() { 1001 if (DEBUG) Log.d(TAG, "verifyUnlockLocked"); 1002 mHandler.sendEmptyMessage(VERIFY_UNLOCK); 1003 } 1004 1005 1006 /** 1007 * Send a message to keyguard telling it the screen just turned on. 1008 * @see #onScreenTurnedOff(int) 1009 * @see #handleNotifyScreenOff 1010 */ 1011 private void notifyScreenOffLocked() { 1012 if (DEBUG) Log.d(TAG, "notifyScreenOffLocked"); 1013 mHandler.sendEmptyMessage(NOTIFY_SCREEN_OFF); 1014 } 1015 1016 /** 1017 * Send a message to keyguard telling it the screen just turned on. 1018 * @see #onScreenTurnedOn 1019 * @see #handleNotifyScreenOn 1020 */ 1021 private void notifyScreenOnLocked(IKeyguardShowCallback result) { 1022 if (DEBUG) Log.d(TAG, "notifyScreenOnLocked"); 1023 Message msg = mHandler.obtainMessage(NOTIFY_SCREEN_ON, result); 1024 mHandler.sendMessage(msg); 1025 } 1026 1027 /** 1028 * Send message to keyguard telling it to show itself 1029 * @see #handleShow 1030 */ 1031 private void showLocked(Bundle options) { 1032 if (DEBUG) Log.d(TAG, "showLocked"); 1033 // ensure we stay awake until we are finished displaying the keyguard 1034 mShowKeyguardWakeLock.acquire(); 1035 Message msg = mHandler.obtainMessage(SHOW, options); 1036 mHandler.sendMessage(msg); 1037 } 1038 1039 /** 1040 * Send message to keyguard telling it to hide itself 1041 * @see #handleHide() 1042 */ 1043 private void hideLocked() { 1044 if (DEBUG) Log.d(TAG, "hideLocked"); 1045 Message msg = mHandler.obtainMessage(HIDE); 1046 mHandler.sendMessage(msg); 1047 } 1048 1049 public boolean isSecure() { 1050 return mLockPatternUtils.isSecure() 1051 || KeyguardUpdateMonitor.getInstance(mContext).isSimPinSecure(); 1052 } 1053 1054 /** 1055 * Update the newUserId. Call while holding WindowManagerService lock. 1056 * NOTE: Should only be called by KeyguardViewMediator in response to the user id changing. 1057 * 1058 * @param newUserId The id of the incoming user. 1059 */ 1060 public void setCurrentUser(int newUserId) { 1061 mLockPatternUtils.setCurrentUser(newUserId); 1062 } 1063 1064 private final BroadcastReceiver mBroadcastReceiver = new BroadcastReceiver() { 1065 @Override 1066 public void onReceive(Context context, Intent intent) { 1067 if (DELAYED_KEYGUARD_ACTION.equals(intent.getAction())) { 1068 final int sequence = intent.getIntExtra("seq", 0); 1069 if (DEBUG) Log.d(TAG, "received DELAYED_KEYGUARD_ACTION with seq = " 1070 + sequence + ", mDelayedShowingSequence = " + mDelayedShowingSequence); 1071 synchronized (KeyguardViewMediator.this) { 1072 if (mDelayedShowingSequence == sequence) { 1073 // Don't play lockscreen SFX if the screen went off due to timeout. 1074 mSuppressNextLockSound = true; 1075 doKeyguardLocked(null); 1076 } 1077 } 1078 } 1079 } 1080 }; 1081 1082 public void keyguardDone(boolean authenticated, boolean wakeup) { 1083 if (DEBUG) Log.d(TAG, "keyguardDone(" + authenticated + ")"); 1084 EventLog.writeEvent(70000, 2); 1085 Message msg = mHandler.obtainMessage(KEYGUARD_DONE, authenticated ? 1 : 0, wakeup ? 1 : 0); 1086 mHandler.sendMessage(msg); 1087 } 1088 1089 /** 1090 * This handler will be associated with the policy thread, which will also 1091 * be the UI thread of the keyguard. Since the apis of the policy, and therefore 1092 * this class, can be called by other threads, any action that directly 1093 * interacts with the keyguard ui should be posted to this handler, rather 1094 * than called directly. 1095 */ 1096 private Handler mHandler = new Handler(Looper.myLooper(), null, true /*async*/) { 1097 @Override 1098 public void handleMessage(Message msg) { 1099 switch (msg.what) { 1100 case SHOW: 1101 handleShow((Bundle) msg.obj); 1102 break; 1103 case HIDE: 1104 handleHide(); 1105 break; 1106 case RESET: 1107 handleReset(); 1108 break; 1109 case VERIFY_UNLOCK: 1110 handleVerifyUnlock(); 1111 break; 1112 case NOTIFY_SCREEN_OFF: 1113 handleNotifyScreenOff(); 1114 break; 1115 case NOTIFY_SCREEN_ON: 1116 handleNotifyScreenOn((IKeyguardShowCallback) msg.obj); 1117 break; 1118 case KEYGUARD_DONE: 1119 handleKeyguardDone(msg.arg1 != 0, msg.arg2 != 0); 1120 break; 1121 case KEYGUARD_DONE_DRAWING: 1122 handleKeyguardDoneDrawing(); 1123 break; 1124 case KEYGUARD_DONE_AUTHENTICATING: 1125 keyguardDone(true, true); 1126 break; 1127 case SET_OCCLUDED: 1128 handleSetOccluded(msg.arg1 != 0); 1129 break; 1130 case KEYGUARD_TIMEOUT: 1131 synchronized (KeyguardViewMediator.this) { 1132 doKeyguardLocked((Bundle) msg.obj); 1133 } 1134 break; 1135 case DISMISS: 1136 handleDismiss(); 1137 break; 1138 case START_KEYGUARD_EXIT_ANIM: 1139 StartKeyguardExitAnimParams params = (StartKeyguardExitAnimParams) msg.obj; 1140 handleStartKeyguardExitAnimation(params.startTime, params.fadeoutDuration); 1141 break; 1142 case KEYGUARD_DONE_PENDING_TIMEOUT: 1143 Log.w(TAG, "Timeout while waiting for activity drawn!"); 1144 // Fall through. 1145 case ON_ACTIVITY_DRAWN: 1146 handleOnActivityDrawn(); 1147 break; 1148 } 1149 } 1150 }; 1151 1152 /** 1153 * @see #keyguardDone 1154 * @see #KEYGUARD_DONE 1155 */ 1156 private void handleKeyguardDone(boolean authenticated, boolean wakeup) { 1157 if (DEBUG) Log.d(TAG, "handleKeyguardDone"); 1158 synchronized (this) { 1159 resetKeyguardDonePendingLocked(); 1160 } 1161 1162 if (authenticated) { 1163 mUpdateMonitor.clearFailedUnlockAttempts(); 1164 } 1165 mUpdateMonitor.clearFingerprintRecognized(); 1166 1167 if (mExitSecureCallback != null) { 1168 try { 1169 mExitSecureCallback.onKeyguardExitResult(authenticated); 1170 } catch (RemoteException e) { 1171 Slog.w(TAG, "Failed to call onKeyguardExitResult(" + authenticated + ")", e); 1172 } 1173 1174 mExitSecureCallback = null; 1175 1176 if (authenticated) { 1177 // after succesfully exiting securely, no need to reshow 1178 // the keyguard when they've released the lock 1179 mExternallyEnabled = true; 1180 mNeedToReshowWhenReenabled = false; 1181 updateInputRestricted(); 1182 } 1183 } 1184 1185 handleHide(); 1186 } 1187 1188 private void sendUserPresentBroadcast() { 1189 synchronized (this) { 1190 if (mBootCompleted) { 1191 final UserHandle currentUser = new UserHandle(mLockPatternUtils.getCurrentUser()); 1192 final UserManager um = (UserManager) mContext.getSystemService( 1193 Context.USER_SERVICE); 1194 List <UserInfo> userHandles = um.getProfiles(currentUser.getIdentifier()); 1195 for (UserInfo ui : userHandles) { 1196 mContext.sendBroadcastAsUser(USER_PRESENT_INTENT, ui.getUserHandle()); 1197 } 1198 } else { 1199 mBootSendUserPresent = true; 1200 } 1201 } 1202 } 1203 1204 /** 1205 * @see #keyguardDone 1206 * @see #KEYGUARD_DONE_DRAWING 1207 */ 1208 private void handleKeyguardDoneDrawing() { 1209 synchronized(this) { 1210 if (DEBUG) Log.d(TAG, "handleKeyguardDoneDrawing"); 1211 if (mWaitingUntilKeyguardVisible) { 1212 if (DEBUG) Log.d(TAG, "handleKeyguardDoneDrawing: notifying mWaitingUntilKeyguardVisible"); 1213 mWaitingUntilKeyguardVisible = false; 1214 notifyAll(); 1215 1216 // there will usually be two of these sent, one as a timeout, and one 1217 // as a result of the callback, so remove any remaining messages from 1218 // the queue 1219 mHandler.removeMessages(KEYGUARD_DONE_DRAWING); 1220 } 1221 } 1222 } 1223 1224 private void playSounds(boolean locked) { 1225 // User feedback for keyguard. 1226 1227 if (mSuppressNextLockSound) { 1228 mSuppressNextLockSound = false; 1229 return; 1230 } 1231 1232 playSound(locked ? mLockSoundId : mUnlockSoundId); 1233 } 1234 1235 private void playSound(int soundId) { 1236 if (soundId == 0) return; 1237 final ContentResolver cr = mContext.getContentResolver(); 1238 if (Settings.System.getInt(cr, Settings.System.LOCKSCREEN_SOUNDS_ENABLED, 1) == 1) { 1239 1240 mLockSounds.stop(mLockSoundStreamId); 1241 // Init mAudioManager 1242 if (mAudioManager == null) { 1243 mAudioManager = (AudioManager) mContext.getSystemService(Context.AUDIO_SERVICE); 1244 if (mAudioManager == null) return; 1245 mMasterStreamType = mAudioManager.getMasterStreamType(); 1246 } 1247 // If the stream is muted, don't play the sound 1248 if (mAudioManager.isStreamMute(mMasterStreamType)) return; 1249 1250 mLockSoundStreamId = mLockSounds.play(soundId, 1251 mLockSoundVolume, mLockSoundVolume, 1/*priortiy*/, 0/*loop*/, 1.0f/*rate*/); 1252 } 1253 } 1254 1255 private void playTrustedSound() { 1256 if (mSuppressNextLockSound) { 1257 return; 1258 } 1259 playSound(mTrustedSoundId); 1260 } 1261 1262 private void updateActivityLockScreenState() { 1263 try { 1264 ActivityManagerNative.getDefault().setLockScreenShown(mShowing && !mOccluded); 1265 } catch (RemoteException e) { 1266 } 1267 } 1268 1269 /** 1270 * Handle message sent by {@link #showLocked}. 1271 * @see #SHOW 1272 */ 1273 private void handleShow(Bundle options) { 1274 synchronized (KeyguardViewMediator.this) { 1275 if (!mSystemReady) { 1276 if (DEBUG) Log.d(TAG, "ignoring handleShow because system is not ready."); 1277 return; 1278 } else { 1279 if (DEBUG) Log.d(TAG, "handleShow"); 1280 } 1281 1282 setShowingLocked(true); 1283 mStatusBarKeyguardViewManager.show(options); 1284 mHiding = false; 1285 resetKeyguardDonePendingLocked(); 1286 mHideAnimationRun = false; 1287 updateActivityLockScreenState(); 1288 adjustStatusBarLocked(); 1289 userActivity(); 1290 1291 // Do this at the end to not slow down display of the keyguard. 1292 playSounds(true); 1293 1294 mShowKeyguardWakeLock.release(); 1295 } 1296 mKeyguardDisplayManager.show(); 1297 } 1298 1299 private final Runnable mKeyguardGoingAwayRunnable = new Runnable() { 1300 @Override 1301 public void run() { 1302 try { 1303 mStatusBarKeyguardViewManager.keyguardGoingAway(); 1304 1305 // Don't actually hide the Keyguard at the moment, wait for window 1306 // manager until it tells us it's safe to do so with 1307 // startKeyguardExitAnimation. 1308 mWM.keyguardGoingAway( 1309 mStatusBarKeyguardViewManager.shouldDisableWindowAnimationsForUnlock(), 1310 mStatusBarKeyguardViewManager.isGoingToNotificationShade()); 1311 } catch (RemoteException e) { 1312 Log.e(TAG, "Error while calling WindowManager", e); 1313 } 1314 } 1315 }; 1316 1317 /** 1318 * Handle message sent by {@link #hideLocked()} 1319 * @see #HIDE 1320 */ 1321 private void handleHide() { 1322 synchronized (KeyguardViewMediator.this) { 1323 if (DEBUG) Log.d(TAG, "handleHide"); 1324 1325 mHiding = true; 1326 if (mShowing && !mOccluded) { 1327 if (!mHideAnimationRun) { 1328 mStatusBarKeyguardViewManager.startPreHideAnimation(mKeyguardGoingAwayRunnable); 1329 } else { 1330 mKeyguardGoingAwayRunnable.run(); 1331 } 1332 } else { 1333 1334 // Don't try to rely on WindowManager - if Keyguard wasn't showing, window 1335 // manager won't start the exit animation. 1336 handleStartKeyguardExitAnimation( 1337 SystemClock.uptimeMillis() + mHideAnimation.getStartOffset(), 1338 mHideAnimation.getDuration()); 1339 } 1340 } 1341 } 1342 1343 private void handleOnActivityDrawn() { 1344 if (DEBUG) Log.d(TAG, "handleOnActivityDrawn: mKeyguardDonePending=" + mKeyguardDonePending); 1345 if (mKeyguardDonePending) { 1346 mStatusBarKeyguardViewManager.onActivityDrawn(); 1347 } 1348 } 1349 1350 private void handleStartKeyguardExitAnimation(long startTime, long fadeoutDuration) { 1351 synchronized (KeyguardViewMediator.this) { 1352 1353 if (!mHiding) { 1354 return; 1355 } 1356 mHiding = false; 1357 1358 // only play "unlock" noises if not on a call (since the incall UI 1359 // disables the keyguard) 1360 if (TelephonyManager.EXTRA_STATE_IDLE.equals(mPhoneState)) { 1361 playSounds(false); 1362 } 1363 1364 setShowingLocked(false); 1365 mStatusBarKeyguardViewManager.hide(startTime, fadeoutDuration); 1366 resetKeyguardDonePendingLocked(); 1367 mHideAnimationRun = false; 1368 updateActivityLockScreenState(); 1369 adjustStatusBarLocked(); 1370 sendUserPresentBroadcast(); 1371 } 1372 } 1373 1374 private void adjustStatusBarLocked() { 1375 if (mStatusBarManager == null) { 1376 mStatusBarManager = (StatusBarManager) 1377 mContext.getSystemService(Context.STATUS_BAR_SERVICE); 1378 } 1379 if (mStatusBarManager == null) { 1380 Log.w(TAG, "Could not get status bar manager"); 1381 } else { 1382 // Disable aspects of the system/status/navigation bars that must not be re-enabled by 1383 // windows that appear on top, ever 1384 int flags = StatusBarManager.DISABLE_NONE; 1385 if (mShowing) { 1386 // Permanently disable components not available when keyguard is enabled 1387 // (like recents). Temporary enable/disable (e.g. the "back" button) are 1388 // done in KeyguardHostView. 1389 flags |= StatusBarManager.DISABLE_RECENT; 1390 flags |= StatusBarManager.DISABLE_SEARCH; 1391 } 1392 if (isShowingAndNotOccluded()) { 1393 flags |= StatusBarManager.DISABLE_HOME; 1394 } 1395 1396 if (DEBUG) { 1397 Log.d(TAG, "adjustStatusBarLocked: mShowing=" + mShowing + " mOccluded=" + mOccluded 1398 + " isSecure=" + isSecure() + " --> flags=0x" + Integer.toHexString(flags)); 1399 } 1400 1401 if (!(mContext instanceof Activity)) { 1402 mStatusBarManager.disable(flags); 1403 } 1404 } 1405 } 1406 1407 /** 1408 * Handle message sent by {@link #resetStateLocked} 1409 * @see #RESET 1410 */ 1411 private void handleReset() { 1412 synchronized (KeyguardViewMediator.this) { 1413 if (DEBUG) Log.d(TAG, "handleReset"); 1414 mStatusBarKeyguardViewManager.reset(); 1415 } 1416 } 1417 1418 /** 1419 * Handle message sent by {@link #verifyUnlock} 1420 * @see #VERIFY_UNLOCK 1421 */ 1422 private void handleVerifyUnlock() { 1423 synchronized (KeyguardViewMediator.this) { 1424 if (DEBUG) Log.d(TAG, "handleVerifyUnlock"); 1425 setShowingLocked(true); 1426 mStatusBarKeyguardViewManager.verifyUnlock(); 1427 updateActivityLockScreenState(); 1428 } 1429 } 1430 1431 /** 1432 * Handle message sent by {@link #notifyScreenOffLocked()} 1433 * @see #NOTIFY_SCREEN_OFF 1434 */ 1435 private void handleNotifyScreenOff() { 1436 synchronized (KeyguardViewMediator.this) { 1437 if (DEBUG) Log.d(TAG, "handleNotifyScreenOff"); 1438 mStatusBarKeyguardViewManager.onScreenTurnedOff(); 1439 } 1440 } 1441 1442 /** 1443 * Handle message sent by {@link #notifyScreenOnLocked} 1444 * @see #NOTIFY_SCREEN_ON 1445 */ 1446 private void handleNotifyScreenOn(IKeyguardShowCallback callback) { 1447 synchronized (KeyguardViewMediator.this) { 1448 if (DEBUG) Log.d(TAG, "handleNotifyScreenOn"); 1449 mStatusBarKeyguardViewManager.onScreenTurnedOn(callback); 1450 } 1451 } 1452 1453 private void resetKeyguardDonePendingLocked() { 1454 mKeyguardDonePending = false; 1455 mHandler.removeMessages(KEYGUARD_DONE_PENDING_TIMEOUT); 1456 } 1457 1458 public void onBootCompleted() { 1459 mUpdateMonitor.dispatchBootCompleted(); 1460 synchronized (this) { 1461 mBootCompleted = true; 1462 if (mBootSendUserPresent) { 1463 sendUserPresentBroadcast(); 1464 } 1465 } 1466 } 1467 1468 public StatusBarKeyguardViewManager registerStatusBar(PhoneStatusBar phoneStatusBar, 1469 ViewGroup container, StatusBarWindowManager statusBarWindowManager, 1470 ScrimController scrimController) { 1471 mStatusBarKeyguardViewManager.registerStatusBar(phoneStatusBar, container, 1472 statusBarWindowManager, scrimController); 1473 return mStatusBarKeyguardViewManager; 1474 } 1475 1476 public void startKeyguardExitAnimation(long startTime, long fadeoutDuration) { 1477 Message msg = mHandler.obtainMessage(START_KEYGUARD_EXIT_ANIM, 1478 new StartKeyguardExitAnimParams(startTime, fadeoutDuration)); 1479 mHandler.sendMessage(msg); 1480 } 1481 1482 public void onActivityDrawn() { 1483 mHandler.sendEmptyMessage(ON_ACTIVITY_DRAWN); 1484 } 1485 public ViewMediatorCallback getViewMediatorCallback() { 1486 return mViewMediatorCallback; 1487 } 1488 1489 private static class StartKeyguardExitAnimParams { 1490 1491 long startTime; 1492 long fadeoutDuration; 1493 1494 private StartKeyguardExitAnimParams(long startTime, long fadeoutDuration) { 1495 this.startTime = startTime; 1496 this.fadeoutDuration = fadeoutDuration; 1497 } 1498 } 1499 1500 private void setShowingLocked(boolean showing) { 1501 if (showing != mShowing) { 1502 mShowing = showing; 1503 try { 1504 int size = mKeyguardStateCallbacks.size(); 1505 for (int i = 0; i < size; i++) { 1506 mKeyguardStateCallbacks.get(i).onShowingStateChanged(showing); 1507 } 1508 } catch (RemoteException e) { 1509 Slog.w(TAG, "Failed to call onShowingStateChanged", e); 1510 } 1511 updateInputRestrictedLocked(); 1512 mTrustManager.reportKeyguardShowingChanged(); 1513 } 1514 } 1515 1516 public void addStateMonitorCallback(IKeyguardStateCallback callback) { 1517 synchronized (this) { 1518 mKeyguardStateCallbacks.add(callback); 1519 try { 1520 callback.onSimSecureStateChanged(mUpdateMonitor.isSimPinSecure()); 1521 callback.onShowingStateChanged(mShowing); 1522 } catch (RemoteException e) { 1523 Slog.w(TAG, "Failed to call onShowingStateChanged or onSimSecureStateChanged", e); 1524 } 1525 } 1526 } 1527} 1528