KeyguardViewMediator.java revision 920ace0bbc2d4133dbec991d2636c99a57d6245e
1/* 2 * Copyright (C) 2007 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.internal.policy.impl.keyguard; 18 19import static android.provider.Settings.System.SCREEN_OFF_TIMEOUT; 20 21import com.android.internal.telephony.IccCardConstants; 22import com.android.internal.widget.LockPatternUtils; 23 24import android.app.Activity; 25import android.app.ActivityManagerNative; 26import android.app.AlarmManager; 27import android.app.PendingIntent; 28import android.app.StatusBarManager; 29import android.content.BroadcastReceiver; 30import android.content.ContentResolver; 31import android.content.Context; 32import android.content.Intent; 33import android.content.IntentFilter; 34import android.media.AudioManager; 35import android.media.SoundPool; 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.TelephonyManager; 47import android.util.EventLog; 48import android.util.Log; 49import android.view.KeyEvent; 50import android.view.WindowManager; 51import android.view.WindowManagerGlobal; 52import android.view.WindowManagerPolicy; 53 54 55/** 56 * Mediates requests related to the keyguard. This includes queries about the 57 * state of the keyguard, power management events that effect whether the keyguard 58 * should be shown or reset, callbacks to the phone window manager to notify 59 * it of when the keyguard is showing, and events from the keyguard view itself 60 * stating that the keyguard was succesfully unlocked. 61 * 62 * Note that the keyguard view is shown when the screen is off (as appropriate) 63 * so that once the screen comes on, it will be ready immediately. 64 * 65 * Example queries about the keyguard: 66 * - is {movement, key} one that should wake the keygaurd? 67 * - is the keyguard showing? 68 * - are input events restricted due to the state of the keyguard? 69 * 70 * Callbacks to the phone window manager: 71 * - the keyguard is showing 72 * 73 * Example external events that translate to keyguard view changes: 74 * - screen turned off -> reset the keyguard, and show it so it will be ready 75 * next time the screen turns on 76 * - keyboard is slid open -> if the keyguard is not secure, hide it 77 * 78 * Events from the keyguard view: 79 * - user succesfully unlocked keyguard -> hide keyguard view, and no longer 80 * restrict input events. 81 * 82 * Note: in addition to normal power managment events that effect the state of 83 * whether the keyguard should be showing, external apps and services may request 84 * that the keyguard be disabled via {@link #setKeyguardEnabled(boolean)}. When 85 * false, this will override all other conditions for turning on the keyguard. 86 * 87 * Threading and synchronization: 88 * This class is created by the initialization routine of the {@link WindowManagerPolicy}, 89 * and runs on its thread. The keyguard UI is created from that thread in the 90 * constructor of this class. The apis may be called from other threads, including the 91 * {@link com.android.server.input.InputManagerService}'s and {@link android.view.WindowManager}'s. 92 * Therefore, methods on this class are synchronized, and any action that is pointed 93 * directly to the keyguard UI is posted to a {@link Handler} to ensure it is taken on the UI 94 * thread of the keyguard. 95 */ 96public class KeyguardViewMediator { 97 private static final int KEYGUARD_DISPLAY_TIMEOUT_DELAY_DEFAULT = 30000; 98 private final static boolean DEBUG = false; 99 private final static boolean DBG_WAKE = false; 100 101 private final static String TAG = "KeyguardViewMediator"; 102 103 private static final String DELAYED_KEYGUARD_ACTION = 104 "com.android.internal.policy.impl.PhoneWindowManager.DELAYED_KEYGUARD"; 105 106 // used for handler messages 107 private static final int TIMEOUT = 1; 108 private static final int SHOW = 2; 109 private static final int HIDE = 3; 110 private static final int RESET = 4; 111 private static final int VERIFY_UNLOCK = 5; 112 private static final int NOTIFY_SCREEN_OFF = 6; 113 private static final int NOTIFY_SCREEN_ON = 7; 114 private static final int WAKE_WHEN_READY = 8; 115 private static final int KEYGUARD_DONE = 9; 116 private static final int KEYGUARD_DONE_DRAWING = 10; 117 private static final int KEYGUARD_DONE_AUTHENTICATING = 11; 118 private static final int SET_HIDDEN = 12; 119 private static final int KEYGUARD_TIMEOUT = 13; 120 121 /** 122 * The default amount of time we stay awake (used for all key input) 123 */ 124 protected static final int AWAKE_INTERVAL_DEFAULT_MS = 10000; 125 126 /** 127 * How long to wait after the screen turns off due to timeout before 128 * turning on the keyguard (i.e, the user has this much time to turn 129 * the screen back on without having to face the keyguard). 130 */ 131 private static final int KEYGUARD_LOCK_AFTER_DELAY_DEFAULT = 5000; 132 133 /** 134 * How long we'll wait for the {@link ViewMediatorCallback#keyguardDoneDrawing()} 135 * callback before unblocking a call to {@link #setKeyguardEnabled(boolean)} 136 * that is reenabling the keyguard. 137 */ 138 private static final int KEYGUARD_DONE_DRAWING_TIMEOUT_MS = 2000; 139 140 /** 141 * Allow the user to expand the status bar when the keyguard is engaged 142 * (without a pattern or password). 143 */ 144 private static final boolean ENABLE_INSECURE_STATUS_BAR_EXPAND = true; 145 146 /** The stream type that the lock sounds are tied to. */ 147 private int mMasterStreamType; 148 149 private Context mContext; 150 private AlarmManager mAlarmManager; 151 private AudioManager mAudioManager; 152 private StatusBarManager mStatusBarManager; 153 private boolean mShowLockIcon; 154 private boolean mShowingLockIcon; 155 156 private boolean mSystemReady; 157 158 // Whether the next call to playSounds() should be skipped. Defaults to 159 // true because the first lock (on boot) should be silent. 160 private boolean mSuppressNextLockSound = true; 161 162 163 /** High level access to the power manager for WakeLocks */ 164 private PowerManager mPM; 165 166 /** UserManager for querying number of users */ 167 private UserManager mUserManager; 168 169 /** 170 * Used to keep the device awake while the keyguard is showing, i.e for 171 * calls to {@link #pokeWakelock()} 172 */ 173 private PowerManager.WakeLock mWakeLock; 174 175 /** 176 * Used to keep the device awake while to ensure the keyguard finishes opening before 177 * we sleep. 178 */ 179 private PowerManager.WakeLock mShowKeyguardWakeLock; 180 181 /** 182 * Does not turn on screen, held while a call to {@link KeyguardViewManager#wakeWhenReadyTq(int)} 183 * is called to make sure the device doesn't sleep before it has a chance to poke 184 * the wake lock. 185 * @see #wakeWhenReadyLocked(int) 186 */ 187 private PowerManager.WakeLock mWakeAndHandOff; 188 189 private KeyguardViewManager mKeyguardViewManager; 190 191 // these are protected by synchronized (this) 192 193 /** 194 * External apps (like the phone app) can tell us to disable the keygaurd. 195 */ 196 private boolean mExternallyEnabled = true; 197 198 /** 199 * Remember if an external call to {@link #setKeyguardEnabled} with value 200 * false caused us to hide the keyguard, so that we need to reshow it once 201 * the keygaurd is reenabled with another call with value true. 202 */ 203 private boolean mNeedToReshowWhenReenabled = false; 204 205 // cached value of whether we are showing (need to know this to quickly 206 // answer whether the input should be restricted) 207 private boolean mShowing = false; 208 209 // true if the keyguard is hidden by another window 210 private boolean mHidden = false; 211 212 /** 213 * Helps remember whether the screen has turned on since the last time 214 * it turned off due to timeout. see {@link #onScreenTurnedOff(int)} 215 */ 216 private int mDelayedShowingSequence; 217 218 private int mWakelockSequence; 219 220 /** 221 * If the user has disabled the keyguard, then requests to exit, this is 222 * how we'll ultimately let them know whether it was successful. We use this 223 * var being non-null as an indicator that there is an in progress request. 224 */ 225 private WindowManagerPolicy.OnKeyguardExitResult mExitSecureCallback; 226 227 // the properties of the keyguard 228 229 private KeyguardUpdateMonitor mUpdateMonitor; 230 231 private boolean mScreenOn; 232 233 // last known state of the cellular connection 234 private String mPhoneState = TelephonyManager.EXTRA_STATE_IDLE; 235 236 /** 237 * we send this intent when the keyguard is dismissed. 238 */ 239 private Intent mUserPresentIntent; 240 241 /** 242 * {@link #setKeyguardEnabled} waits on this condition when it reenables 243 * the keyguard. 244 */ 245 private boolean mWaitingUntilKeyguardVisible = false; 246 private LockPatternUtils mLockPatternUtils; 247 248 private SoundPool mLockSounds; 249 private int mLockSoundId; 250 private int mUnlockSoundId; 251 private int mLockSoundStreamId; 252 253 /** 254 * The volume applied to the lock/unlock sounds. 255 */ 256 private final float mLockSoundVolume; 257 258 /** 259 * The callback used by the keyguard view to tell the {@link KeyguardViewMediator} 260 * various things. 261 */ 262 public interface ViewMediatorCallback { 263 264 /** 265 * Request the wakelock to be poked for the default amount of time. 266 */ 267 void pokeWakelock(); 268 269 /** 270 * Request the wakelock to be poked for a specific amount of time. 271 * @param millis The amount of time in millis. 272 */ 273 void pokeWakelock(long millis); 274 275 /** 276 * Report that the keyguard is done. 277 * @param authenticated Whether the user securely got past the keyguard. 278 * the only reason for this to be false is if the keyguard was instructed 279 * to appear temporarily to verify the user is supposed to get past the 280 * keyguard, and the user fails to do so. 281 */ 282 void keyguardDone(boolean authenticated); 283 284 /** 285 * Report that the keyguard is done drawing. 286 */ 287 void keyguardDoneDrawing(); 288 289 /** 290 * Tell ViewMediator that the current view needs IME input 291 * @param needsInput 292 */ 293 void setNeedsInput(boolean needsInput); 294 } 295 296 KeyguardUpdateMonitorCallback mUpdateCallback = new KeyguardUpdateMonitorCallback() { 297 298 @Override 299 public void onUserSwitched(int userId) { 300 // Note that the mLockPatternUtils user has already been updated from setCurrentUser. 301 synchronized (KeyguardViewMediator.this) { 302 resetStateLocked(); 303 } 304 // We should always go back to the locked state when a user 305 // switch happens. Is there a more direct way to do this? 306 try { 307 WindowManagerGlobal.getWindowManagerService().lockNow(); 308 } catch (RemoteException e) { 309 } 310 } 311 312 @Override 313 public void onUserRemoved(int userId) { 314 mLockPatternUtils.removeUser(userId); 315 } 316 317 @Override 318 void onPhoneStateChanged(int phoneState) { 319 synchronized (KeyguardViewMediator.this) { 320 if (TelephonyManager.CALL_STATE_IDLE == phoneState // call ending 321 && !mScreenOn // screen off 322 && mExternallyEnabled) { // not disabled by any app 323 324 // note: this is a way to gracefully reenable the keyguard when the call 325 // ends and the screen is off without always reenabling the keyguard 326 // each time the screen turns off while in call (and having an occasional ugly 327 // flicker while turning back on the screen and disabling the keyguard again). 328 if (DEBUG) Log.d(TAG, "screen is off and call ended, let's make sure the " 329 + "keyguard is showing"); 330 doKeyguardLocked(); 331 } 332 } 333 }; 334 335 @Override 336 public void onClockVisibilityChanged() { 337 adjustStatusBarLocked(); 338 } 339 340 @Override 341 public void onDeviceProvisioned() { 342 mContext.sendBroadcast(mUserPresentIntent); 343 } 344 345 @Override 346 public void onSimStateChanged(IccCardConstants.State simState) { 347 if (DEBUG) Log.d(TAG, "onSimStateChanged: " + simState); 348 349 switch (simState) { 350 case NOT_READY: 351 case ABSENT: 352 // only force lock screen in case of missing sim if user hasn't 353 // gone through setup wizard 354 synchronized (this) { 355 if (!mUpdateMonitor.isDeviceProvisioned()) { 356 if (!isShowing()) { 357 if (DEBUG) Log.d(TAG, "ICC_ABSENT isn't showing," 358 + " we need to show the keyguard since the " 359 + "device isn't provisioned yet."); 360 doKeyguardLocked(); 361 } else { 362 resetStateLocked(); 363 } 364 } 365 } 366 break; 367 case PIN_REQUIRED: 368 case PUK_REQUIRED: 369 synchronized (this) { 370 if (!isShowing()) { 371 if (DEBUG) Log.d(TAG, "INTENT_VALUE_ICC_LOCKED and keygaurd isn't " 372 + "showing; need to show keyguard so user can enter sim pin"); 373 doKeyguardLocked(); 374 } else { 375 resetStateLocked(); 376 } 377 } 378 break; 379 case PERM_DISABLED: 380 synchronized (this) { 381 if (!isShowing()) { 382 if (DEBUG) Log.d(TAG, "PERM_DISABLED and " 383 + "keygaurd isn't showing."); 384 doKeyguardLocked(); 385 } else { 386 if (DEBUG) Log.d(TAG, "PERM_DISABLED, resetStateLocked to" 387 + "show permanently disabled message in lockscreen."); 388 resetStateLocked(); 389 } 390 } 391 break; 392 case READY: 393 synchronized (this) { 394 if (isShowing()) { 395 resetStateLocked(); 396 } 397 } 398 break; 399 } 400 } 401 402 }; 403 404 ViewMediatorCallback mViewMediatorCallback = new ViewMediatorCallback() { 405 public void pokeWakelock() { 406 KeyguardViewMediator.this.pokeWakelock(); 407 } 408 409 public void pokeWakelock(long holdMs) { 410 KeyguardViewMediator.this.pokeWakelock(holdMs); 411 } 412 413 public void keyguardDone(boolean authenticated) { 414 KeyguardViewMediator.this.keyguardDone(authenticated, true); 415 } 416 417 public void keyguardDoneDrawing() { 418 mHandler.sendEmptyMessage(KEYGUARD_DONE_DRAWING); 419 } 420 421 @Override 422 public void setNeedsInput(boolean needsInput) { 423 mKeyguardViewManager.setNeedsInput(needsInput); 424 } 425 }; 426 427 public void pokeWakelock() { 428 pokeWakelock(AWAKE_INTERVAL_DEFAULT_MS); 429 } 430 431 public void pokeWakelock(long holdMs) { 432 synchronized (this) { 433 if (DBG_WAKE) Log.d(TAG, "pokeWakelock(" + holdMs + ")"); 434 mWakeLock.acquire(); 435 mHandler.removeMessages(TIMEOUT); 436 mWakelockSequence++; 437 Message msg = mHandler.obtainMessage(TIMEOUT, mWakelockSequence, 0); 438 mHandler.sendMessageDelayed(msg, holdMs); 439 } 440 } 441 442 /** 443 * Construct a KeyguardViewMediator 444 * @param context 445 * @param lockPatternUtils optional mock interface for LockPatternUtils 446 */ 447 public KeyguardViewMediator(Context context, LockPatternUtils lockPatternUtils) { 448 mContext = context; 449 mPM = (PowerManager) context.getSystemService(Context.POWER_SERVICE); 450 mUserManager = (UserManager) mContext.getSystemService(Context.USER_SERVICE); 451 mWakeLock = mPM.newWakeLock( 452 PowerManager.FULL_WAKE_LOCK | PowerManager.ACQUIRE_CAUSES_WAKEUP, "keyguard"); 453 mWakeLock.setReferenceCounted(false); 454 mShowKeyguardWakeLock = mPM.newWakeLock(PowerManager.PARTIAL_WAKE_LOCK, "show keyguard"); 455 mShowKeyguardWakeLock.setReferenceCounted(false); 456 457 mWakeAndHandOff = mPM.newWakeLock(PowerManager.PARTIAL_WAKE_LOCK, "keyguardWakeAndHandOff"); 458 mWakeAndHandOff.setReferenceCounted(false); 459 460 mContext.registerReceiver(mBroadcastReceiver, new IntentFilter(DELAYED_KEYGUARD_ACTION)); 461 462 mAlarmManager = (AlarmManager) context.getSystemService(Context.ALARM_SERVICE); 463 464 mUpdateMonitor = KeyguardUpdateMonitor.getInstance(context); 465 466 mLockPatternUtils = lockPatternUtils != null 467 ? lockPatternUtils : new LockPatternUtils(mContext); 468 mLockPatternUtils.setCurrentUser(UserHandle.USER_OWNER); 469 470 WindowManager wm = (WindowManager)context.getSystemService(Context.WINDOW_SERVICE); 471 472 mKeyguardViewManager = new KeyguardViewManager(context, wm, mViewMediatorCallback, 473 mLockPatternUtils); 474 475 mUserPresentIntent = new Intent(Intent.ACTION_USER_PRESENT); 476 mUserPresentIntent.addFlags(Intent.FLAG_RECEIVER_REPLACE_PENDING 477 | Intent.FLAG_RECEIVER_REGISTERED_ONLY_BEFORE_BOOT); 478 479 final ContentResolver cr = mContext.getContentResolver(); 480 mShowLockIcon = (Settings.System.getInt(cr, "show_status_bar_lock", 0) == 1); 481 482 mScreenOn = mPM.isScreenOn(); 483 484 mLockSounds = new SoundPool(1, AudioManager.STREAM_SYSTEM, 0); 485 String soundPath = Settings.System.getString(cr, Settings.System.LOCK_SOUND); 486 if (soundPath != null) { 487 mLockSoundId = mLockSounds.load(soundPath, 1); 488 } 489 if (soundPath == null || mLockSoundId == 0) { 490 if (DEBUG) Log.d(TAG, "failed to load sound from " + soundPath); 491 } 492 soundPath = Settings.System.getString(cr, Settings.System.UNLOCK_SOUND); 493 if (soundPath != null) { 494 mUnlockSoundId = mLockSounds.load(soundPath, 1); 495 } 496 if (soundPath == null || mUnlockSoundId == 0) { 497 if (DEBUG) Log.d(TAG, "failed to load sound from " + soundPath); 498 } 499 int lockSoundDefaultAttenuation = context.getResources().getInteger( 500 com.android.internal.R.integer.config_lockSoundVolumeDb); 501 mLockSoundVolume = (float)Math.pow(10, (float)lockSoundDefaultAttenuation/20); 502 } 503 504 /** 505 * Let us know that the system is ready after startup. 506 */ 507 public void onSystemReady() { 508 synchronized (this) { 509 if (DEBUG) Log.d(TAG, "onSystemReady"); 510 mSystemReady = true; 511 mUpdateMonitor.registerCallback(mUpdateCallback); 512 doKeyguardLocked(); 513 } 514 } 515 516 /** 517 * Called to let us know the screen was turned off. 518 * @param why either {@link WindowManagerPolicy#OFF_BECAUSE_OF_USER}, 519 * {@link WindowManagerPolicy#OFF_BECAUSE_OF_TIMEOUT} or 520 * {@link WindowManagerPolicy#OFF_BECAUSE_OF_PROX_SENSOR}. 521 */ 522 public void onScreenTurnedOff(int why) { 523 synchronized (this) { 524 mScreenOn = false; 525 if (DEBUG) Log.d(TAG, "onScreenTurnedOff(" + why + ")"); 526 527 // Lock immediately based on setting if secure (user has a pin/pattern/password). 528 // This also "locks" the device when not secure to provide easy access to the 529 // camera while preventing unwanted input. 530 final boolean lockImmediately = 531 mLockPatternUtils.getPowerButtonInstantlyLocks() || !mLockPatternUtils.isSecure(); 532 533 if (mExitSecureCallback != null) { 534 if (DEBUG) Log.d(TAG, "pending exit secure callback cancelled"); 535 mExitSecureCallback.onKeyguardExitResult(false); 536 mExitSecureCallback = null; 537 if (!mExternallyEnabled) { 538 hideLocked(); 539 } 540 } else if (mShowing) { 541 notifyScreenOffLocked(); 542 resetStateLocked(); 543 } else if (why == WindowManagerPolicy.OFF_BECAUSE_OF_TIMEOUT 544 || (why == WindowManagerPolicy.OFF_BECAUSE_OF_USER && !lockImmediately)) { 545 // if the screen turned off because of timeout or the user hit the power button 546 // and we don't need to lock immediately, set an alarm 547 // to enable it a little bit later (i.e, give the user a chance 548 // to turn the screen back on within a certain window without 549 // having to unlock the screen) 550 final ContentResolver cr = mContext.getContentResolver(); 551 552 // From DisplaySettings 553 long displayTimeout = Settings.System.getInt(cr, SCREEN_OFF_TIMEOUT, 554 KEYGUARD_DISPLAY_TIMEOUT_DELAY_DEFAULT); 555 556 // From SecuritySettings 557 final long lockAfterTimeout = Settings.Secure.getInt(cr, 558 Settings.Secure.LOCK_SCREEN_LOCK_AFTER_TIMEOUT, 559 KEYGUARD_LOCK_AFTER_DELAY_DEFAULT); 560 561 // From DevicePolicyAdmin 562 final long policyTimeout = mLockPatternUtils.getDevicePolicyManager() 563 .getMaximumTimeToLock(null, mLockPatternUtils.getCurrentUser()); 564 565 long timeout; 566 if (policyTimeout > 0) { 567 // policy in effect. Make sure we don't go beyond policy limit. 568 displayTimeout = Math.max(displayTimeout, 0); // ignore negative values 569 timeout = Math.min(policyTimeout - displayTimeout, lockAfterTimeout); 570 } else { 571 timeout = lockAfterTimeout; 572 } 573 574 if (timeout <= 0) { 575 // Lock now 576 mSuppressNextLockSound = true; 577 doKeyguardLocked(); 578 } else { 579 // Lock in the future 580 long when = SystemClock.elapsedRealtime() + timeout; 581 Intent intent = new Intent(DELAYED_KEYGUARD_ACTION); 582 intent.putExtra("seq", mDelayedShowingSequence); 583 PendingIntent sender = PendingIntent.getBroadcast(mContext, 584 0, intent, PendingIntent.FLAG_CANCEL_CURRENT); 585 mAlarmManager.set(AlarmManager.ELAPSED_REALTIME_WAKEUP, when, sender); 586 if (DEBUG) Log.d(TAG, "setting alarm to turn off keyguard, seq = " 587 + mDelayedShowingSequence); 588 } 589 } else if (why == WindowManagerPolicy.OFF_BECAUSE_OF_PROX_SENSOR) { 590 // Do not enable the keyguard if the prox sensor forced the screen off. 591 } else { 592 doKeyguardLocked(); 593 } 594 } 595 } 596 597 /** 598 * Let's us know the screen was turned on. 599 */ 600 public void onScreenTurnedOn(KeyguardViewManager.ShowListener showListener) { 601 synchronized (this) { 602 mScreenOn = true; 603 mDelayedShowingSequence++; 604 if (DEBUG) Log.d(TAG, "onScreenTurnedOn, seq = " + mDelayedShowingSequence); 605 if (showListener != null) { 606 notifyScreenOnLocked(showListener); 607 } 608 } 609 } 610 611 /** 612 * Same semantics as {@link WindowManagerPolicy#enableKeyguard}; provide 613 * a way for external stuff to override normal keyguard behavior. For instance 614 * the phone app disables the keyguard when it receives incoming calls. 615 */ 616 public void setKeyguardEnabled(boolean enabled) { 617 synchronized (this) { 618 if (DEBUG) Log.d(TAG, "setKeyguardEnabled(" + enabled + ")"); 619 620 mExternallyEnabled = enabled; 621 622 if (!enabled && mShowing) { 623 if (mExitSecureCallback != null) { 624 if (DEBUG) Log.d(TAG, "in process of verifyUnlock request, ignoring"); 625 // we're in the process of handling a request to verify the user 626 // can get past the keyguard. ignore extraneous requests to disable / reenable 627 return; 628 } 629 630 // hiding keyguard that is showing, remember to reshow later 631 if (DEBUG) Log.d(TAG, "remembering to reshow, hiding keyguard, " 632 + "disabling status bar expansion"); 633 mNeedToReshowWhenReenabled = true; 634 hideLocked(); 635 } else if (enabled && mNeedToReshowWhenReenabled) { 636 // reenabled after previously hidden, reshow 637 if (DEBUG) Log.d(TAG, "previously hidden, reshowing, reenabling " 638 + "status bar expansion"); 639 mNeedToReshowWhenReenabled = false; 640 641 if (mExitSecureCallback != null) { 642 if (DEBUG) Log.d(TAG, "onKeyguardExitResult(false), resetting"); 643 mExitSecureCallback.onKeyguardExitResult(false); 644 mExitSecureCallback = null; 645 resetStateLocked(); 646 } else { 647 showLocked(); 648 649 // block until we know the keygaurd is done drawing (and post a message 650 // to unblock us after a timeout so we don't risk blocking too long 651 // and causing an ANR). 652 mWaitingUntilKeyguardVisible = true; 653 mHandler.sendEmptyMessageDelayed(KEYGUARD_DONE_DRAWING, KEYGUARD_DONE_DRAWING_TIMEOUT_MS); 654 if (DEBUG) Log.d(TAG, "waiting until mWaitingUntilKeyguardVisible is false"); 655 while (mWaitingUntilKeyguardVisible) { 656 try { 657 wait(); 658 } catch (InterruptedException e) { 659 Thread.currentThread().interrupt(); 660 } 661 } 662 if (DEBUG) Log.d(TAG, "done waiting for mWaitingUntilKeyguardVisible"); 663 } 664 } 665 } 666 } 667 668 /** 669 * @see android.app.KeyguardManager#exitKeyguardSecurely 670 */ 671 public void verifyUnlock(WindowManagerPolicy.OnKeyguardExitResult callback) { 672 synchronized (this) { 673 if (DEBUG) Log.d(TAG, "verifyUnlock"); 674 if (!mUpdateMonitor.isDeviceProvisioned()) { 675 // don't allow this api when the device isn't provisioned 676 if (DEBUG) Log.d(TAG, "ignoring because device isn't provisioned"); 677 callback.onKeyguardExitResult(false); 678 } else if (mExternallyEnabled) { 679 // this only applies when the user has externally disabled the 680 // keyguard. this is unexpected and means the user is not 681 // using the api properly. 682 Log.w(TAG, "verifyUnlock called when not externally disabled"); 683 callback.onKeyguardExitResult(false); 684 } else if (mExitSecureCallback != null) { 685 // already in progress with someone else 686 callback.onKeyguardExitResult(false); 687 } else { 688 mExitSecureCallback = callback; 689 verifyUnlockLocked(); 690 } 691 } 692 } 693 694 /** 695 * Is the keyguard currently showing? 696 */ 697 public boolean isShowing() { 698 return mShowing; 699 } 700 701 /** 702 * Is the keyguard currently showing and not being force hidden? 703 */ 704 public boolean isShowingAndNotHidden() { 705 return mShowing && !mHidden; 706 } 707 708 /** 709 * Notify us when the keyguard is hidden by another window 710 */ 711 public void setHidden(boolean isHidden) { 712 if (DEBUG) Log.d(TAG, "setHidden " + isHidden); 713 mHandler.removeMessages(SET_HIDDEN); 714 Message msg = mHandler.obtainMessage(SET_HIDDEN, (isHidden ? 1 : 0), 0); 715 mHandler.sendMessage(msg); 716 } 717 718 /** 719 * Handles SET_HIDDEN message sent by setHidden() 720 */ 721 private void handleSetHidden(boolean isHidden) { 722 synchronized (KeyguardViewMediator.this) { 723 if (mHidden != isHidden) { 724 mHidden = isHidden; 725 updateActivityLockScreenState(); 726 adjustUserActivityLocked(); 727 adjustStatusBarLocked(); 728 } 729 } 730 } 731 732 /** 733 * Used by PhoneWindowManager to enable the keyguard due to a user activity timeout. 734 * This must be safe to call from any thread and with any window manager locks held. 735 */ 736 public void doKeyguardTimeout() { 737 mHandler.removeMessages(KEYGUARD_TIMEOUT); 738 Message msg = mHandler.obtainMessage(KEYGUARD_TIMEOUT); 739 mHandler.sendMessage(msg); 740 } 741 742 /** 743 * Given the state of the keyguard, is the input restricted? 744 * Input is restricted when the keyguard is showing, or when the keyguard 745 * was suppressed by an app that disabled the keyguard or we haven't been provisioned yet. 746 */ 747 public boolean isInputRestricted() { 748 return mShowing || mNeedToReshowWhenReenabled || !mUpdateMonitor.isDeviceProvisioned(); 749 } 750 751 /** 752 * Enable the keyguard if the settings are appropriate. Return true if all 753 * work that will happen is done; returns false if the caller can wait for 754 * the keyguard to be shown. 755 */ 756 private void doKeyguardLocked() { 757 // if another app is disabling us, don't show 758 if (!mExternallyEnabled) { 759 if (DEBUG) Log.d(TAG, "doKeyguard: not showing because externally disabled"); 760 761 // note: we *should* set mNeedToReshowWhenReenabled=true here, but that makes 762 // for an occasional ugly flicker in this situation: 763 // 1) receive a call with the screen on (no keyguard) or make a call 764 // 2) screen times out 765 // 3) user hits key to turn screen back on 766 // instead, we reenable the keyguard when we know the screen is off and the call 767 // ends (see the broadcast receiver below) 768 // TODO: clean this up when we have better support at the window manager level 769 // for apps that wish to be on top of the keyguard 770 return; 771 } 772 773 // if the keyguard is already showing, don't bother 774 if (mKeyguardViewManager.isShowing()) { 775 if (DEBUG) Log.d(TAG, "doKeyguard: not showing because it is already showing"); 776 return; 777 } 778 779 // if the setup wizard hasn't run yet, don't show 780 final boolean requireSim = !SystemProperties.getBoolean("keyguard.no_require_sim", 781 false); 782 final boolean provisioned = mUpdateMonitor.isDeviceProvisioned(); 783 final IccCardConstants.State state = mUpdateMonitor.getSimState(); 784 final boolean lockedOrMissing = state.isPinLocked() 785 || ((state == IccCardConstants.State.ABSENT 786 || state == IccCardConstants.State.PERM_DISABLED) 787 && requireSim); 788 789 if (!lockedOrMissing && !provisioned) { 790 if (DEBUG) Log.d(TAG, "doKeyguard: not showing because device isn't provisioned" 791 + " and the sim is not locked or missing"); 792 return; 793 } 794 795 if (mUserManager.getUsers(true).size() < 2 796 && mLockPatternUtils.isLockScreenDisabled() && !lockedOrMissing) { 797 if (DEBUG) Log.d(TAG, "doKeyguard: not showing because lockscreen is off"); 798 return; 799 } 800 801 if (DEBUG) Log.d(TAG, "doKeyguard: showing the lock screen"); 802 showLocked(); 803 } 804 805 /** 806 * Send message to keyguard telling it to reset its state. 807 * @see #handleReset() 808 */ 809 private void resetStateLocked() { 810 if (DEBUG) Log.d(TAG, "resetStateLocked"); 811 Message msg = mHandler.obtainMessage(RESET); 812 mHandler.sendMessage(msg); 813 } 814 815 /** 816 * Send message to keyguard telling it to verify unlock 817 * @see #handleVerifyUnlock() 818 */ 819 private void verifyUnlockLocked() { 820 if (DEBUG) Log.d(TAG, "verifyUnlockLocked"); 821 mHandler.sendEmptyMessage(VERIFY_UNLOCK); 822 } 823 824 825 /** 826 * Send a message to keyguard telling it the screen just turned on. 827 * @see #onScreenTurnedOff(int) 828 * @see #handleNotifyScreenOff 829 */ 830 private void notifyScreenOffLocked() { 831 if (DEBUG) Log.d(TAG, "notifyScreenOffLocked"); 832 mHandler.sendEmptyMessage(NOTIFY_SCREEN_OFF); 833 } 834 835 /** 836 * Send a message to keyguard telling it the screen just turned on. 837 * @see #onScreenTurnedOn() 838 * @see #handleNotifyScreenOn 839 */ 840 private void notifyScreenOnLocked(KeyguardViewManager.ShowListener showListener) { 841 if (DEBUG) Log.d(TAG, "notifyScreenOnLocked"); 842 Message msg = mHandler.obtainMessage(NOTIFY_SCREEN_ON, showListener); 843 mHandler.sendMessage(msg); 844 } 845 846 /** 847 * Send message to keyguard telling it about a wake key so it can adjust 848 * its state accordingly and then poke the wake lock when it is ready. 849 * @param keyCode The wake key. 850 * @see #handleWakeWhenReady 851 * @see #onWakeKeyWhenKeyguardShowingTq(int) 852 */ 853 private void wakeWhenReadyLocked(int keyCode) { 854 if (DBG_WAKE) Log.d(TAG, "wakeWhenReadyLocked(" + keyCode + ")"); 855 856 /** 857 * acquire the handoff lock that will keep the cpu running. this will 858 * be released once the keyguard has set itself up and poked the other wakelock 859 * in {@link #handleWakeWhenReady(int)} 860 */ 861 mWakeAndHandOff.acquire(); 862 863 Message msg = mHandler.obtainMessage(WAKE_WHEN_READY, keyCode, 0); 864 mHandler.sendMessage(msg); 865 } 866 867 /** 868 * Send message to keyguard telling it to show itself 869 * @see #handleShow() 870 */ 871 private void showLocked() { 872 if (DEBUG) Log.d(TAG, "showLocked"); 873 // ensure we stay awake until we are finished displaying the keyguard 874 mShowKeyguardWakeLock.acquire(); 875 Message msg = mHandler.obtainMessage(SHOW); 876 mHandler.sendMessage(msg); 877 } 878 879 /** 880 * Send message to keyguard telling it to hide itself 881 * @see #handleHide() 882 */ 883 private void hideLocked() { 884 if (DEBUG) Log.d(TAG, "hideLocked"); 885 Message msg = mHandler.obtainMessage(HIDE); 886 mHandler.sendMessage(msg); 887 } 888 889 public boolean isSecure() { 890 return mLockPatternUtils.isSecure() 891 || KeyguardUpdateMonitor.getInstance(mContext).isSimPinSecure(); 892 } 893 894 /** 895 * Update the newUserId. Call while holding WindowManagerService lock. 896 * @param newUserId The id of the incoming user. 897 */ 898 public void setCurrentUser(int newUserId) { 899 mLockPatternUtils.setCurrentUser(newUserId); 900 } 901 902 private final BroadcastReceiver mBroadcastReceiver = new BroadcastReceiver() { 903 @Override 904 public void onReceive(Context context, Intent intent) { 905 if (DELAYED_KEYGUARD_ACTION.equals(intent.getAction())) { 906 final int sequence = intent.getIntExtra("seq", 0); 907 if (DEBUG) Log.d(TAG, "received DELAYED_KEYGUARD_ACTION with seq = " 908 + sequence + ", mDelayedShowingSequence = " + mDelayedShowingSequence); 909 synchronized (KeyguardViewMediator.this) { 910 if (mDelayedShowingSequence == sequence) { 911 // Don't play lockscreen SFX if the screen went off due to timeout. 912 mSuppressNextLockSound = true; 913 doKeyguardLocked(); 914 } 915 } 916 } 917 } 918 }; 919 920 /** 921 * When a key is received when the screen is off and the keyguard is showing, 922 * we need to decide whether to actually turn on the screen, and if so, tell 923 * the keyguard to prepare itself and poke the wake lock when it is ready. 924 * 925 * The 'Tq' suffix is per the documentation in {@link WindowManagerPolicy}. 926 * Be sure not to take any action that takes a long time; any significant 927 * action should be posted to a handler. 928 * 929 * @param keyCode The keycode of the key that woke the device 930 * @param isDocked True if the device is in the dock 931 * @return Whether we poked the wake lock (and turned the screen on) 932 */ 933 public boolean onWakeKeyWhenKeyguardShowingTq(int keyCode, boolean isDocked) { 934 if (DEBUG) Log.d(TAG, "onWakeKeyWhenKeyguardShowing(" + keyCode + ")"); 935 936 if (isWakeKeyWhenKeyguardShowing(keyCode, isDocked)) { 937 // give the keyguard view manager a chance to adjust the state of the 938 // keyguard based on the key that woke the device before poking 939 // the wake lock 940 wakeWhenReadyLocked(keyCode); 941 return true; 942 } else { 943 return false; 944 } 945 } 946 947 /** 948 * When the keyguard is showing we ignore some keys that might otherwise typically 949 * be considered wake keys. We filter them out here. 950 * 951 * {@link KeyEvent#KEYCODE_POWER} is notably absent from this list because it 952 * is always considered a wake key. 953 */ 954 private boolean isWakeKeyWhenKeyguardShowing(int keyCode, boolean isDocked) { 955 switch (keyCode) { 956 // ignore volume keys unless docked 957 case KeyEvent.KEYCODE_VOLUME_UP: 958 case KeyEvent.KEYCODE_VOLUME_DOWN: 959 case KeyEvent.KEYCODE_VOLUME_MUTE: 960 return isDocked; 961 962 // ignore media and camera keys 963 case KeyEvent.KEYCODE_MUTE: 964 case KeyEvent.KEYCODE_HEADSETHOOK: 965 case KeyEvent.KEYCODE_MEDIA_PLAY: 966 case KeyEvent.KEYCODE_MEDIA_PAUSE: 967 case KeyEvent.KEYCODE_MEDIA_PLAY_PAUSE: 968 case KeyEvent.KEYCODE_MEDIA_STOP: 969 case KeyEvent.KEYCODE_MEDIA_NEXT: 970 case KeyEvent.KEYCODE_MEDIA_PREVIOUS: 971 case KeyEvent.KEYCODE_MEDIA_REWIND: 972 case KeyEvent.KEYCODE_MEDIA_RECORD: 973 case KeyEvent.KEYCODE_MEDIA_FAST_FORWARD: 974 case KeyEvent.KEYCODE_CAMERA: 975 return false; 976 } 977 return true; 978 } 979 980 /** 981 * When a wake motion such as an external mouse movement is received when the screen 982 * is off and the keyguard is showing, we need to decide whether to actually turn 983 * on the screen, and if so, tell the keyguard to prepare itself and poke the wake 984 * lock when it is ready. 985 * 986 * The 'Tq' suffix is per the documentation in {@link WindowManagerPolicy}. 987 * Be sure not to take any action that takes a long time; any significant 988 * action should be posted to a handler. 989 * 990 * @return Whether we poked the wake lock (and turned the screen on) 991 */ 992 public boolean onWakeMotionWhenKeyguardShowingTq() { 993 if (DEBUG) Log.d(TAG, "onWakeMotionWhenKeyguardShowing()"); 994 995 // give the keyguard view manager a chance to adjust the state of the 996 // keyguard based on the key that woke the device before poking 997 // the wake lock 998 wakeWhenReadyLocked(KeyEvent.KEYCODE_UNKNOWN); 999 return true; 1000 } 1001 1002 public void keyguardDone(boolean authenticated, boolean wakeup) { 1003 synchronized (this) { 1004 EventLog.writeEvent(70000, 2); 1005 if (DEBUG) Log.d(TAG, "keyguardDone(" + authenticated + ")"); 1006 Message msg = mHandler.obtainMessage(KEYGUARD_DONE); 1007 msg.arg1 = wakeup ? 1 : 0; 1008 mHandler.sendMessage(msg); 1009 1010 if (authenticated) { 1011 mUpdateMonitor.clearFailedUnlockAttempts(); 1012 } 1013 1014 if (mExitSecureCallback != null) { 1015 mExitSecureCallback.onKeyguardExitResult(authenticated); 1016 mExitSecureCallback = null; 1017 1018 if (authenticated) { 1019 // after succesfully exiting securely, no need to reshow 1020 // the keyguard when they've released the lock 1021 mExternallyEnabled = true; 1022 mNeedToReshowWhenReenabled = false; 1023 } 1024 } 1025 } 1026 } 1027 1028 /** 1029 * This handler will be associated with the policy thread, which will also 1030 * be the UI thread of the keyguard. Since the apis of the policy, and therefore 1031 * this class, can be called by other threads, any action that directly 1032 * interacts with the keyguard ui should be posted to this handler, rather 1033 * than called directly. 1034 */ 1035 private Handler mHandler = new Handler(Looper.myLooper(), null, true /*async*/) { 1036 @Override 1037 public void handleMessage(Message msg) { 1038 switch (msg.what) { 1039 case TIMEOUT: 1040 handleTimeout(msg.arg1); 1041 return ; 1042 case SHOW: 1043 handleShow(); 1044 return ; 1045 case HIDE: 1046 handleHide(); 1047 return ; 1048 case RESET: 1049 handleReset(); 1050 return ; 1051 case VERIFY_UNLOCK: 1052 handleVerifyUnlock(); 1053 return; 1054 case NOTIFY_SCREEN_OFF: 1055 handleNotifyScreenOff(); 1056 return; 1057 case NOTIFY_SCREEN_ON: 1058 handleNotifyScreenOn((KeyguardViewManager.ShowListener)msg.obj); 1059 return; 1060 case WAKE_WHEN_READY: 1061 handleWakeWhenReady(msg.arg1); 1062 return; 1063 case KEYGUARD_DONE: 1064 handleKeyguardDone(msg.arg1 != 0); 1065 return; 1066 case KEYGUARD_DONE_DRAWING: 1067 handleKeyguardDoneDrawing(); 1068 return; 1069 case KEYGUARD_DONE_AUTHENTICATING: 1070 keyguardDone(true, true); 1071 return; 1072 case SET_HIDDEN: 1073 handleSetHidden(msg.arg1 != 0); 1074 break; 1075 case KEYGUARD_TIMEOUT: 1076 synchronized (KeyguardViewMediator.this) { 1077 doKeyguardLocked(); 1078 } 1079 break; 1080 } 1081 } 1082 }; 1083 1084 /** 1085 * @see #keyguardDone 1086 * @see #KEYGUARD_DONE 1087 */ 1088 private void handleKeyguardDone(boolean wakeup) { 1089 if (DEBUG) Log.d(TAG, "handleKeyguardDone"); 1090 handleHide(); 1091 if (wakeup) { 1092 mPM.wakeUp(SystemClock.uptimeMillis()); 1093 } 1094 mWakeLock.release(); 1095 1096 if (!(mContext instanceof Activity)) { 1097 final UserHandle currentUser = new UserHandle(mLockPatternUtils.getCurrentUser()); 1098 mContext.sendBroadcastAsUser(mUserPresentIntent, currentUser); 1099 } 1100 } 1101 1102 /** 1103 * @see #keyguardDoneDrawing 1104 * @see #KEYGUARD_DONE_DRAWING 1105 */ 1106 private void handleKeyguardDoneDrawing() { 1107 synchronized(this) { 1108 if (false) Log.d(TAG, "handleKeyguardDoneDrawing"); 1109 if (mWaitingUntilKeyguardVisible) { 1110 if (DEBUG) Log.d(TAG, "handleKeyguardDoneDrawing: notifying mWaitingUntilKeyguardVisible"); 1111 mWaitingUntilKeyguardVisible = false; 1112 notifyAll(); 1113 1114 // there will usually be two of these sent, one as a timeout, and one 1115 // as a result of the callback, so remove any remaining messages from 1116 // the queue 1117 mHandler.removeMessages(KEYGUARD_DONE_DRAWING); 1118 } 1119 } 1120 } 1121 1122 /** 1123 * Handles the message sent by {@link #pokeWakelock} 1124 * @param seq used to determine if anything has changed since the message 1125 * was sent. 1126 * @see #TIMEOUT 1127 */ 1128 private void handleTimeout(int seq) { 1129 synchronized (KeyguardViewMediator.this) { 1130 if (DEBUG) Log.d(TAG, "handleTimeout"); 1131 if (seq == mWakelockSequence) { 1132 mWakeLock.release(); 1133 } 1134 } 1135 } 1136 1137 private void playSounds(boolean locked) { 1138 // User feedback for keyguard. 1139 1140 if (mSuppressNextLockSound) { 1141 mSuppressNextLockSound = false; 1142 return; 1143 } 1144 1145 final ContentResolver cr = mContext.getContentResolver(); 1146 if (Settings.System.getInt(cr, Settings.System.LOCKSCREEN_SOUNDS_ENABLED, 1) == 1) { 1147 final int whichSound = locked 1148 ? mLockSoundId 1149 : mUnlockSoundId; 1150 mLockSounds.stop(mLockSoundStreamId); 1151 // Init mAudioManager 1152 if (mAudioManager == null) { 1153 mAudioManager = (AudioManager) mContext.getSystemService(Context.AUDIO_SERVICE); 1154 if (mAudioManager == null) return; 1155 mMasterStreamType = mAudioManager.getMasterStreamType(); 1156 } 1157 // If the stream is muted, don't play the sound 1158 if (mAudioManager.isStreamMute(mMasterStreamType)) return; 1159 1160 mLockSoundStreamId = mLockSounds.play(whichSound, 1161 mLockSoundVolume, mLockSoundVolume, 1/*priortiy*/, 0/*loop*/, 1.0f/*rate*/); 1162 } 1163 } 1164 1165 private void updateActivityLockScreenState() { 1166 try { 1167 ActivityManagerNative.getDefault().setLockScreenShown( 1168 mShowing && !mHidden); 1169 } catch (RemoteException e) { 1170 } 1171 } 1172 1173 /** 1174 * Handle message sent by {@link #showLocked}. 1175 * @see #SHOW 1176 */ 1177 private void handleShow() { 1178 synchronized (KeyguardViewMediator.this) { 1179 if (DEBUG) Log.d(TAG, "handleShow"); 1180 if (!mSystemReady) return; 1181 1182 mKeyguardViewManager.show(); 1183 mShowing = true; 1184 updateActivityLockScreenState(); 1185 adjustUserActivityLocked(); 1186 adjustStatusBarLocked(); 1187 try { 1188 ActivityManagerNative.getDefault().closeSystemDialogs("lock"); 1189 } catch (RemoteException e) { 1190 } 1191 1192 // Do this at the end to not slow down display of the keyguard. 1193 playSounds(true); 1194 1195 mShowKeyguardWakeLock.release(); 1196 } 1197 } 1198 1199 /** 1200 * Handle message sent by {@link #hideLocked()} 1201 * @see #HIDE 1202 */ 1203 private void handleHide() { 1204 synchronized (KeyguardViewMediator.this) { 1205 if (DEBUG) Log.d(TAG, "handleHide"); 1206 if (mWakeAndHandOff.isHeld()) { 1207 Log.w(TAG, "attempt to hide the keyguard while waking, ignored"); 1208 return; 1209 } 1210 1211 // only play "unlock" noises if not on a call (since the incall UI 1212 // disables the keyguard) 1213 if (TelephonyManager.EXTRA_STATE_IDLE.equals(mPhoneState)) { 1214 playSounds(false); 1215 } 1216 1217 mKeyguardViewManager.hide(); 1218 mShowing = false; 1219 updateActivityLockScreenState(); 1220 adjustUserActivityLocked(); 1221 adjustStatusBarLocked(); 1222 } 1223 } 1224 1225 private void adjustUserActivityLocked() { 1226 // disable user activity if we are shown and not hidden 1227 if (DEBUG) Log.d(TAG, "adjustUserActivityLocked mShowing: " + mShowing + " mHidden: " + mHidden); 1228 boolean enabled = !mShowing || mHidden; 1229 // FIXME: Replace this with a new timeout control mechanism. 1230 //mRealPowerManager.enableUserActivity(enabled); 1231 if (!enabled && mScreenOn) { 1232 // reinstate our short screen timeout policy 1233 pokeWakelock(); 1234 } 1235 } 1236 1237 private void adjustStatusBarLocked() { 1238 if (mStatusBarManager == null) { 1239 mStatusBarManager = (StatusBarManager) 1240 mContext.getSystemService(Context.STATUS_BAR_SERVICE); 1241 } 1242 if (mStatusBarManager == null) { 1243 Log.w(TAG, "Could not get status bar manager"); 1244 } else { 1245 if (mShowLockIcon) { 1246 // Give feedback to user when secure keyguard is active and engaged 1247 if (mShowing && isSecure()) { 1248 if (!mShowingLockIcon) { 1249 String contentDescription = mContext.getString( 1250 com.android.internal.R.string.status_bar_device_locked); 1251 mStatusBarManager.setIcon("secure", 1252 com.android.internal.R.drawable.stat_sys_secure, 0, 1253 contentDescription); 1254 mShowingLockIcon = true; 1255 } 1256 } else { 1257 if (mShowingLockIcon) { 1258 mStatusBarManager.removeIcon("secure"); 1259 mShowingLockIcon = false; 1260 } 1261 } 1262 } 1263 1264 // Disable aspects of the system/status/navigation bars that must not be re-enabled by 1265 // windows that appear on top, ever 1266 int flags = StatusBarManager.DISABLE_NONE; 1267 if (mShowing) { 1268 // Permanently disable components not available when keyguard is enabled 1269 // (like recents). Temporary enable/disable (e.g. the "back" button) are 1270 // done in KeyguardHostView. 1271 flags |= StatusBarManager.DISABLE_RECENT; 1272 if (isSecure() || !ENABLE_INSECURE_STATUS_BAR_EXPAND) { 1273 // showing secure lockscreen; disable expanding. 1274 flags |= StatusBarManager.DISABLE_EXPAND; 1275 } 1276 if (isSecure()) { 1277 // showing secure lockscreen; disable ticker. 1278 flags |= StatusBarManager.DISABLE_NOTIFICATION_TICKER; 1279 } 1280 } 1281 1282 if (DEBUG) { 1283 Log.d(TAG, "adjustStatusBarLocked: mShowing=" + mShowing + " mHidden=" + mHidden 1284 + " isSecure=" + isSecure() + " --> flags=0x" + Integer.toHexString(flags)); 1285 } 1286 1287 mStatusBarManager.disable(flags); 1288 } 1289 } 1290 1291 /** 1292 * Handle message sent by {@link #wakeWhenReadyLocked(int)} 1293 * @param keyCode The key that woke the device. 1294 * @see #WAKE_WHEN_READY 1295 */ 1296 private void handleWakeWhenReady(int keyCode) { 1297 synchronized (KeyguardViewMediator.this) { 1298 if (DBG_WAKE) Log.d(TAG, "handleWakeWhenReady(" + keyCode + ")"); 1299 1300 // this should result in a call to 'poke wakelock' which will set a timeout 1301 // on releasing the wakelock 1302 if (!mKeyguardViewManager.wakeWhenReadyTq(keyCode)) { 1303 // poke wakelock ourselves if keyguard is no longer active 1304 Log.w(TAG, "mKeyguardViewManager.wakeWhenReadyTq did not poke wake lock, so poke it ourselves"); 1305 pokeWakelock(); 1306 } 1307 1308 /** 1309 * Now that the keyguard is ready and has poked the wake lock, we can 1310 * release the handoff wakelock 1311 */ 1312 mWakeAndHandOff.release(); 1313 1314 if (!mWakeLock.isHeld()) { 1315 Log.w(TAG, "mWakeLock not held in mKeyguardViewManager.wakeWhenReadyTq"); 1316 } 1317 } 1318 } 1319 1320 /** 1321 * Handle message sent by {@link #resetStateLocked()} 1322 * @see #RESET 1323 */ 1324 private void handleReset() { 1325 synchronized (KeyguardViewMediator.this) { 1326 if (DEBUG) Log.d(TAG, "handleReset"); 1327 mKeyguardViewManager.reset(); 1328 } 1329 } 1330 1331 /** 1332 * Handle message sent by {@link #verifyUnlock} 1333 * @see #RESET 1334 */ 1335 private void handleVerifyUnlock() { 1336 synchronized (KeyguardViewMediator.this) { 1337 if (DEBUG) Log.d(TAG, "handleVerifyUnlock"); 1338 mKeyguardViewManager.verifyUnlock(); 1339 mShowing = true; 1340 updateActivityLockScreenState(); 1341 } 1342 } 1343 1344 /** 1345 * Handle message sent by {@link #notifyScreenOffLocked()} 1346 * @see #NOTIFY_SCREEN_OFF 1347 */ 1348 private void handleNotifyScreenOff() { 1349 synchronized (KeyguardViewMediator.this) { 1350 if (DEBUG) Log.d(TAG, "handleNotifyScreenOff"); 1351 mKeyguardViewManager.onScreenTurnedOff(); 1352 } 1353 } 1354 1355 /** 1356 * Handle message sent by {@link #notifyScreenOnLocked()} 1357 * @see #NOTIFY_SCREEN_ON 1358 */ 1359 private void handleNotifyScreenOn(KeyguardViewManager.ShowListener showListener) { 1360 synchronized (KeyguardViewMediator.this) { 1361 if (DEBUG) Log.d(TAG, "handleNotifyScreenOn"); 1362 mKeyguardViewManager.onScreenTurnedOn(showListener); 1363 } 1364 } 1365 1366} 1367