GlobalActions.java revision 43b013fe883933e7dcde7e2bb628ea1c6dfc444c
1/* 2 * Copyright (C) 2008 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.server.policy; 18 19import com.android.internal.app.AlertController; 20import com.android.internal.app.AlertController.AlertParams; 21import com.android.internal.telephony.TelephonyIntents; 22import com.android.internal.telephony.TelephonyProperties; 23import com.android.internal.R; 24import com.android.internal.widget.LockPatternUtils; 25 26import android.app.ActivityManager; 27import android.app.ActivityManagerNative; 28import android.app.AlertDialog; 29import android.app.Dialog; 30import android.content.BroadcastReceiver; 31import android.content.Context; 32import android.content.DialogInterface; 33import android.content.Intent; 34import android.content.IntentFilter; 35import android.content.pm.UserInfo; 36import android.database.ContentObserver; 37import android.graphics.drawable.Drawable; 38import android.media.AudioManager; 39import android.net.ConnectivityManager; 40import android.os.Build; 41import android.os.Bundle; 42import android.os.Handler; 43import android.os.Message; 44import android.os.RemoteException; 45import android.os.ServiceManager; 46import android.os.SystemClock; 47import android.os.SystemProperties; 48import android.os.UserHandle; 49import android.os.UserManager; 50import android.os.Vibrator; 51import android.provider.Settings; 52import android.service.dreams.DreamService; 53import android.service.dreams.IDreamManager; 54import android.telephony.PhoneStateListener; 55import android.telephony.ServiceState; 56import android.telephony.TelephonyManager; 57import android.text.TextUtils; 58import android.util.ArraySet; 59import android.util.Log; 60import android.util.TypedValue; 61import android.view.InputDevice; 62import android.view.KeyEvent; 63import android.view.LayoutInflater; 64import android.view.MotionEvent; 65import android.view.View; 66import android.view.ViewConfiguration; 67import android.view.ViewGroup; 68import android.view.WindowManager; 69import android.view.WindowManagerGlobal; 70import android.view.WindowManagerPolicy.WindowManagerFuncs; 71import android.view.accessibility.AccessibilityEvent; 72import android.widget.AdapterView; 73import android.widget.BaseAdapter; 74import android.widget.ImageView; 75import android.widget.ImageView.ScaleType; 76import android.widget.ListView; 77import android.widget.TextView; 78 79import java.util.ArrayList; 80import java.util.List; 81 82/** 83 * Helper to show the global actions dialog. Each item is an {@link Action} that 84 * may show depending on whether the keyguard is showing, and whether the device 85 * is provisioned. 86 */ 87class GlobalActions implements DialogInterface.OnDismissListener, DialogInterface.OnClickListener { 88 89 private static final String TAG = "GlobalActions"; 90 91 private static final boolean SHOW_SILENT_TOGGLE = true; 92 93 /* Valid settings for global actions keys. 94 * see config.xml config_globalActionList */ 95 private static final String GLOBAL_ACTION_KEY_POWER = "power"; 96 private static final String GLOBAL_ACTION_KEY_AIRPLANE = "airplane"; 97 private static final String GLOBAL_ACTION_KEY_BUGREPORT = "bugreport"; 98 private static final String GLOBAL_ACTION_KEY_SILENT = "silent"; 99 private static final String GLOBAL_ACTION_KEY_USERS = "users"; 100 private static final String GLOBAL_ACTION_KEY_SETTINGS = "settings"; 101 private static final String GLOBAL_ACTION_KEY_LOCKDOWN = "lockdown"; 102 private static final String GLOBAL_ACTION_KEY_VOICEASSIST = "voiceassist"; 103 private static final String GLOBAL_ACTION_KEY_ASSIST = "assist"; 104 105 private final Context mContext; 106 private final WindowManagerFuncs mWindowManagerFuncs; 107 private final AudioManager mAudioManager; 108 private final IDreamManager mDreamManager; 109 110 private ArrayList<Action> mItems; 111 private GlobalActionsDialog mDialog; 112 113 private Action mSilentModeAction; 114 private ToggleAction mAirplaneModeOn; 115 116 private MyAdapter mAdapter; 117 118 private boolean mKeyguardShowing = false; 119 private boolean mDeviceProvisioned = false; 120 private ToggleAction.State mAirplaneState = ToggleAction.State.Off; 121 private boolean mIsWaitingForEcmExit = false; 122 private boolean mHasTelephony; 123 private boolean mHasVibrator; 124 private final boolean mShowSilentToggle; 125 126 /** 127 * @param context everything needs a context :( 128 */ 129 public GlobalActions(Context context, WindowManagerFuncs windowManagerFuncs) { 130 mContext = context; 131 mWindowManagerFuncs = windowManagerFuncs; 132 mAudioManager = (AudioManager) mContext.getSystemService(Context.AUDIO_SERVICE); 133 mDreamManager = IDreamManager.Stub.asInterface( 134 ServiceManager.getService(DreamService.DREAM_SERVICE)); 135 136 // receive broadcasts 137 IntentFilter filter = new IntentFilter(); 138 filter.addAction(Intent.ACTION_CLOSE_SYSTEM_DIALOGS); 139 filter.addAction(Intent.ACTION_SCREEN_OFF); 140 filter.addAction(TelephonyIntents.ACTION_EMERGENCY_CALLBACK_MODE_CHANGED); 141 context.registerReceiver(mBroadcastReceiver, filter); 142 143 ConnectivityManager cm = (ConnectivityManager) 144 context.getSystemService(Context.CONNECTIVITY_SERVICE); 145 mHasTelephony = cm.isNetworkSupported(ConnectivityManager.TYPE_MOBILE); 146 147 // get notified of phone state changes 148 TelephonyManager telephonyManager = 149 (TelephonyManager) context.getSystemService(Context.TELEPHONY_SERVICE); 150 telephonyManager.listen(mPhoneStateListener, PhoneStateListener.LISTEN_SERVICE_STATE); 151 mContext.getContentResolver().registerContentObserver( 152 Settings.Global.getUriFor(Settings.Global.AIRPLANE_MODE_ON), true, 153 mAirplaneModeObserver); 154 Vibrator vibrator = (Vibrator) mContext.getSystemService(Context.VIBRATOR_SERVICE); 155 mHasVibrator = vibrator != null && vibrator.hasVibrator(); 156 157 mShowSilentToggle = SHOW_SILENT_TOGGLE && !mContext.getResources().getBoolean( 158 com.android.internal.R.bool.config_useFixedVolume); 159 } 160 161 /** 162 * Show the global actions dialog (creating if necessary) 163 * @param keyguardShowing True if keyguard is showing 164 */ 165 public void showDialog(boolean keyguardShowing, boolean isDeviceProvisioned) { 166 mKeyguardShowing = keyguardShowing; 167 mDeviceProvisioned = isDeviceProvisioned; 168 if (mDialog != null) { 169 mDialog.dismiss(); 170 mDialog = null; 171 // Show delayed, so that the dismiss of the previous dialog completes 172 mHandler.sendEmptyMessage(MESSAGE_SHOW); 173 } else { 174 handleShow(); 175 } 176 } 177 178 private void awakenIfNecessary() { 179 if (mDreamManager != null) { 180 try { 181 if (mDreamManager.isDreaming()) { 182 mDreamManager.awaken(); 183 } 184 } catch (RemoteException e) { 185 // we tried 186 } 187 } 188 } 189 190 private void handleShow() { 191 awakenIfNecessary(); 192 mDialog = createDialog(); 193 prepareDialog(); 194 195 // If we only have 1 item and it's a simple press action, just do this action. 196 if (mAdapter.getCount() == 1 197 && mAdapter.getItem(0) instanceof SinglePressAction 198 && !(mAdapter.getItem(0) instanceof LongPressAction)) { 199 ((SinglePressAction) mAdapter.getItem(0)).onPress(); 200 } else { 201 WindowManager.LayoutParams attrs = mDialog.getWindow().getAttributes(); 202 attrs.setTitle("GlobalActions"); 203 mDialog.getWindow().setAttributes(attrs); 204 mDialog.show(); 205 mDialog.getWindow().getDecorView().setSystemUiVisibility(View.STATUS_BAR_DISABLE_EXPAND); 206 } 207 } 208 209 /** 210 * Create the global actions dialog. 211 * @return A new dialog. 212 */ 213 private GlobalActionsDialog createDialog() { 214 // Simple toggle style if there's no vibrator, otherwise use a tri-state 215 if (!mHasVibrator) { 216 mSilentModeAction = new SilentModeToggleAction(); 217 } else { 218 mSilentModeAction = new SilentModeTriStateAction(mContext, mAudioManager, mHandler); 219 } 220 mAirplaneModeOn = new ToggleAction( 221 R.drawable.ic_lock_airplane_mode, 222 R.drawable.ic_lock_airplane_mode_off, 223 R.string.global_actions_toggle_airplane_mode, 224 R.string.global_actions_airplane_mode_on_status, 225 R.string.global_actions_airplane_mode_off_status) { 226 227 void onToggle(boolean on) { 228 if (mHasTelephony && Boolean.parseBoolean( 229 SystemProperties.get(TelephonyProperties.PROPERTY_INECM_MODE))) { 230 mIsWaitingForEcmExit = true; 231 // Launch ECM exit dialog 232 Intent ecmDialogIntent = 233 new Intent(TelephonyIntents.ACTION_SHOW_NOTICE_ECM_BLOCK_OTHERS, null); 234 ecmDialogIntent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK); 235 mContext.startActivity(ecmDialogIntent); 236 } else { 237 changeAirplaneModeSystemSetting(on); 238 } 239 } 240 241 @Override 242 protected void changeStateFromPress(boolean buttonOn) { 243 if (!mHasTelephony) return; 244 245 // In ECM mode airplane state cannot be changed 246 if (!(Boolean.parseBoolean( 247 SystemProperties.get(TelephonyProperties.PROPERTY_INECM_MODE)))) { 248 mState = buttonOn ? State.TurningOn : State.TurningOff; 249 mAirplaneState = mState; 250 } 251 } 252 253 public boolean showDuringKeyguard() { 254 return true; 255 } 256 257 public boolean showBeforeProvisioning() { 258 return false; 259 } 260 }; 261 onAirplaneModeChanged(); 262 263 mItems = new ArrayList<Action>(); 264 String[] defaultActions = mContext.getResources().getStringArray( 265 com.android.internal.R.array.config_globalActionsList); 266 267 ArraySet<String> addedKeys = new ArraySet<String>(); 268 for (int i = 0; i < defaultActions.length; i++) { 269 String actionKey = defaultActions[i]; 270 if (addedKeys.contains(actionKey)) { 271 // If we already have added this, don't add it again. 272 continue; 273 } 274 if (GLOBAL_ACTION_KEY_POWER.equals(actionKey)) { 275 mItems.add(new PowerAction()); 276 } else if (GLOBAL_ACTION_KEY_AIRPLANE.equals(actionKey)) { 277 mItems.add(mAirplaneModeOn); 278 } else if (GLOBAL_ACTION_KEY_BUGREPORT.equals(actionKey)) { 279 if (Settings.Global.getInt(mContext.getContentResolver(), 280 Settings.Global.BUGREPORT_IN_POWER_MENU, 0) != 0 && isCurrentUserOwner()) { 281 mItems.add(new BugReportAction()); 282 } 283 } else if (GLOBAL_ACTION_KEY_SILENT.equals(actionKey)) { 284 if (mShowSilentToggle) { 285 mItems.add(mSilentModeAction); 286 } 287 } else if (GLOBAL_ACTION_KEY_USERS.equals(actionKey)) { 288 if (SystemProperties.getBoolean("fw.power_user_switcher", false)) { 289 addUsersToMenu(mItems); 290 } 291 } else if (GLOBAL_ACTION_KEY_SETTINGS.equals(actionKey)) { 292 mItems.add(getSettingsAction()); 293 } else if (GLOBAL_ACTION_KEY_LOCKDOWN.equals(actionKey)) { 294 mItems.add(getLockdownAction()); 295 } else if (GLOBAL_ACTION_KEY_VOICEASSIST.equals(actionKey)) { 296 mItems.add(getVoiceAssistAction()); 297 } else if (GLOBAL_ACTION_KEY_ASSIST.equals(actionKey)) { 298 mItems.add(getAssistAction()); 299 } else { 300 Log.e(TAG, "Invalid global action key " + actionKey); 301 } 302 // Add here so we don't add more than one. 303 addedKeys.add(actionKey); 304 } 305 306 mAdapter = new MyAdapter(); 307 308 AlertParams params = new AlertParams(mContext); 309 params.mAdapter = mAdapter; 310 params.mOnClickListener = this; 311 params.mForceInverseBackground = true; 312 313 GlobalActionsDialog dialog = new GlobalActionsDialog(mContext, params); 314 dialog.setCanceledOnTouchOutside(false); // Handled by the custom class. 315 316 dialog.getListView().setItemsCanFocus(true); 317 dialog.getListView().setLongClickable(true); 318 dialog.getListView().setOnItemLongClickListener( 319 new AdapterView.OnItemLongClickListener() { 320 @Override 321 public boolean onItemLongClick(AdapterView<?> parent, View view, int position, 322 long id) { 323 final Action action = mAdapter.getItem(position); 324 if (action instanceof LongPressAction) { 325 return ((LongPressAction) action).onLongPress(); 326 } 327 return false; 328 } 329 }); 330 dialog.getWindow().setType(WindowManager.LayoutParams.TYPE_KEYGUARD_DIALOG); 331 332 dialog.setOnDismissListener(this); 333 334 return dialog; 335 } 336 337 private final class PowerAction extends SinglePressAction implements LongPressAction { 338 private PowerAction() { 339 super(com.android.internal.R.drawable.ic_lock_power_off, 340 R.string.global_action_power_off); 341 } 342 343 @Override 344 public boolean onLongPress() { 345 UserManager um = (UserManager) mContext.getSystemService(Context.USER_SERVICE); 346 if (!um.hasUserRestriction(UserManager.DISALLOW_SAFE_BOOT)) { 347 mWindowManagerFuncs.rebootSafeMode(true); 348 return true; 349 } 350 return false; 351 } 352 353 @Override 354 public boolean showDuringKeyguard() { 355 return true; 356 } 357 358 @Override 359 public boolean showBeforeProvisioning() { 360 return true; 361 } 362 363 @Override 364 public void onPress() { 365 // shutdown by making sure radio and power are handled accordingly. 366 mWindowManagerFuncs.shutdown(false /* confirm */); 367 } 368 } 369 370 private class BugReportAction extends SinglePressAction implements LongPressAction { 371 372 public BugReportAction() { 373 super(com.android.internal.R.drawable.ic_lock_bugreport, R.string.bugreport_title); 374 } 375 376 @Override 377 public void onPress() { 378 // don't actually trigger the bugreport if we are running stability 379 // tests via monkey 380 if (ActivityManager.isUserAMonkey()) { 381 return; 382 } 383 // Add a little delay before executing, to give the 384 // dialog a chance to go away before it takes a 385 // screenshot. 386 mHandler.postDelayed(new Runnable() { 387 @Override 388 public void run() { 389 try { 390 // Take an "interactive" bugreport. 391 ActivityManagerNative.getDefault().requestBugReport(true); 392 } catch (RemoteException e) { 393 } 394 } 395 }, 500); 396 } 397 398 @Override 399 public boolean onLongPress() { 400 // don't actually trigger the bugreport if we are running stability 401 // tests via monkey 402 if (ActivityManager.isUserAMonkey()) { 403 return false; 404 } 405 try { 406 // Take a "full" bugreport. 407 ActivityManagerNative.getDefault().requestBugReport(false); 408 } catch (RemoteException e) { 409 } 410 return false; 411 } 412 413 public boolean showDuringKeyguard() { 414 return true; 415 } 416 417 @Override 418 public boolean showBeforeProvisioning() { 419 return false; 420 } 421 422 @Override 423 public String getStatus() { 424 return mContext.getString( 425 com.android.internal.R.string.bugreport_status, 426 Build.VERSION.RELEASE, 427 Build.ID); 428 } 429 } 430 431 private Action getSettingsAction() { 432 return new SinglePressAction(com.android.internal.R.drawable.ic_settings, 433 R.string.global_action_settings) { 434 435 @Override 436 public void onPress() { 437 Intent intent = new Intent(Settings.ACTION_SETTINGS); 438 intent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK | Intent.FLAG_ACTIVITY_CLEAR_TOP); 439 mContext.startActivity(intent); 440 } 441 442 @Override 443 public boolean showDuringKeyguard() { 444 return true; 445 } 446 447 @Override 448 public boolean showBeforeProvisioning() { 449 return true; 450 } 451 }; 452 } 453 454 private Action getAssistAction() { 455 return new SinglePressAction(com.android.internal.R.drawable.ic_action_assist_focused, 456 R.string.global_action_assist) { 457 @Override 458 public void onPress() { 459 Intent intent = new Intent(Intent.ACTION_ASSIST); 460 intent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK | Intent.FLAG_ACTIVITY_CLEAR_TOP); 461 mContext.startActivity(intent); 462 } 463 464 @Override 465 public boolean showDuringKeyguard() { 466 return true; 467 } 468 469 @Override 470 public boolean showBeforeProvisioning() { 471 return true; 472 } 473 }; 474 } 475 476 private Action getVoiceAssistAction() { 477 return new SinglePressAction(com.android.internal.R.drawable.ic_voice_search, 478 R.string.global_action_voice_assist) { 479 @Override 480 public void onPress() { 481 Intent intent = new Intent(Intent.ACTION_VOICE_ASSIST); 482 intent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK | Intent.FLAG_ACTIVITY_CLEAR_TOP); 483 mContext.startActivity(intent); 484 } 485 486 @Override 487 public boolean showDuringKeyguard() { 488 return true; 489 } 490 491 @Override 492 public boolean showBeforeProvisioning() { 493 return true; 494 } 495 }; 496 } 497 498 private Action getLockdownAction() { 499 return new SinglePressAction(com.android.internal.R.drawable.ic_lock_lock, 500 R.string.global_action_lockdown) { 501 502 @Override 503 public void onPress() { 504 new LockPatternUtils(mContext).requireCredentialEntry(UserHandle.USER_ALL); 505 try { 506 WindowManagerGlobal.getWindowManagerService().lockNow(null); 507 } catch (RemoteException e) { 508 Log.e(TAG, "Error while trying to lock device.", e); 509 } 510 } 511 512 @Override 513 public boolean showDuringKeyguard() { 514 return true; 515 } 516 517 @Override 518 public boolean showBeforeProvisioning() { 519 return false; 520 } 521 }; 522 } 523 524 private UserInfo getCurrentUser() { 525 try { 526 return ActivityManagerNative.getDefault().getCurrentUser(); 527 } catch (RemoteException re) { 528 return null; 529 } 530 } 531 532 private boolean isCurrentUserOwner() { 533 UserInfo currentUser = getCurrentUser(); 534 return currentUser == null || currentUser.isPrimary(); 535 } 536 537 private void addUsersToMenu(ArrayList<Action> items) { 538 UserManager um = (UserManager) mContext.getSystemService(Context.USER_SERVICE); 539 if (um.isUserSwitcherEnabled()) { 540 List<UserInfo> users = um.getUsers(); 541 UserInfo currentUser = getCurrentUser(); 542 for (final UserInfo user : users) { 543 if (user.supportsSwitchToByUser()) { 544 boolean isCurrentUser = currentUser == null 545 ? user.id == 0 : (currentUser.id == user.id); 546 Drawable icon = user.iconPath != null ? Drawable.createFromPath(user.iconPath) 547 : null; 548 SinglePressAction switchToUser = new SinglePressAction( 549 com.android.internal.R.drawable.ic_menu_cc, icon, 550 (user.name != null ? user.name : "Primary") 551 + (isCurrentUser ? " \u2714" : "")) { 552 public void onPress() { 553 try { 554 ActivityManagerNative.getDefault().switchUser(user.id); 555 } catch (RemoteException re) { 556 Log.e(TAG, "Couldn't switch user " + re); 557 } 558 } 559 560 public boolean showDuringKeyguard() { 561 return true; 562 } 563 564 public boolean showBeforeProvisioning() { 565 return false; 566 } 567 }; 568 items.add(switchToUser); 569 } 570 } 571 } 572 } 573 574 private void prepareDialog() { 575 refreshSilentMode(); 576 mAirplaneModeOn.updateState(mAirplaneState); 577 mAdapter.notifyDataSetChanged(); 578 mDialog.getWindow().setType(WindowManager.LayoutParams.TYPE_KEYGUARD_DIALOG); 579 if (mShowSilentToggle) { 580 IntentFilter filter = new IntentFilter(AudioManager.RINGER_MODE_CHANGED_ACTION); 581 mContext.registerReceiver(mRingerModeReceiver, filter); 582 } 583 } 584 585 private void refreshSilentMode() { 586 if (!mHasVibrator) { 587 final boolean silentModeOn = 588 mAudioManager.getRingerMode() != AudioManager.RINGER_MODE_NORMAL; 589 ((ToggleAction)mSilentModeAction).updateState( 590 silentModeOn ? ToggleAction.State.On : ToggleAction.State.Off); 591 } 592 } 593 594 /** {@inheritDoc} */ 595 public void onDismiss(DialogInterface dialog) { 596 if (mShowSilentToggle) { 597 try { 598 mContext.unregisterReceiver(mRingerModeReceiver); 599 } catch (IllegalArgumentException ie) { 600 // ignore this 601 Log.w(TAG, ie); 602 } 603 } 604 } 605 606 /** {@inheritDoc} */ 607 public void onClick(DialogInterface dialog, int which) { 608 if (!(mAdapter.getItem(which) instanceof SilentModeTriStateAction)) { 609 dialog.dismiss(); 610 } 611 mAdapter.getItem(which).onPress(); 612 } 613 614 /** 615 * The adapter used for the list within the global actions dialog, taking 616 * into account whether the keyguard is showing via 617 * {@link GlobalActions#mKeyguardShowing} and whether the device is provisioned 618 * via {@link GlobalActions#mDeviceProvisioned}. 619 */ 620 private class MyAdapter extends BaseAdapter { 621 622 public int getCount() { 623 int count = 0; 624 625 for (int i = 0; i < mItems.size(); i++) { 626 final Action action = mItems.get(i); 627 628 if (mKeyguardShowing && !action.showDuringKeyguard()) { 629 continue; 630 } 631 if (!mDeviceProvisioned && !action.showBeforeProvisioning()) { 632 continue; 633 } 634 count++; 635 } 636 return count; 637 } 638 639 @Override 640 public boolean isEnabled(int position) { 641 return getItem(position).isEnabled(); 642 } 643 644 @Override 645 public boolean areAllItemsEnabled() { 646 return false; 647 } 648 649 public Action getItem(int position) { 650 651 int filteredPos = 0; 652 for (int i = 0; i < mItems.size(); i++) { 653 final Action action = mItems.get(i); 654 if (mKeyguardShowing && !action.showDuringKeyguard()) { 655 continue; 656 } 657 if (!mDeviceProvisioned && !action.showBeforeProvisioning()) { 658 continue; 659 } 660 if (filteredPos == position) { 661 return action; 662 } 663 filteredPos++; 664 } 665 666 throw new IllegalArgumentException("position " + position 667 + " out of range of showable actions" 668 + ", filtered count=" + getCount() 669 + ", keyguardshowing=" + mKeyguardShowing 670 + ", provisioned=" + mDeviceProvisioned); 671 } 672 673 674 public long getItemId(int position) { 675 return position; 676 } 677 678 public View getView(int position, View convertView, ViewGroup parent) { 679 Action action = getItem(position); 680 return action.create(mContext, convertView, parent, LayoutInflater.from(mContext)); 681 } 682 } 683 684 // note: the scheme below made more sense when we were planning on having 685 // 8 different things in the global actions dialog. seems overkill with 686 // only 3 items now, but may as well keep this flexible approach so it will 687 // be easy should someone decide at the last minute to include something 688 // else, such as 'enable wifi', or 'enable bluetooth' 689 690 /** 691 * What each item in the global actions dialog must be able to support. 692 */ 693 private interface Action { 694 /** 695 * @return Text that will be announced when dialog is created. null 696 * for none. 697 */ 698 CharSequence getLabelForAccessibility(Context context); 699 700 View create(Context context, View convertView, ViewGroup parent, LayoutInflater inflater); 701 702 void onPress(); 703 704 /** 705 * @return whether this action should appear in the dialog when the keygaurd 706 * is showing. 707 */ 708 boolean showDuringKeyguard(); 709 710 /** 711 * @return whether this action should appear in the dialog before the 712 * device is provisioned. 713 */ 714 boolean showBeforeProvisioning(); 715 716 boolean isEnabled(); 717 } 718 719 /** 720 * An action that also supports long press. 721 */ 722 private interface LongPressAction extends Action { 723 boolean onLongPress(); 724 } 725 726 /** 727 * A single press action maintains no state, just responds to a press 728 * and takes an action. 729 */ 730 private static abstract class SinglePressAction implements Action { 731 private final int mIconResId; 732 private final Drawable mIcon; 733 private final int mMessageResId; 734 private final CharSequence mMessage; 735 736 protected SinglePressAction(int iconResId, int messageResId) { 737 mIconResId = iconResId; 738 mMessageResId = messageResId; 739 mMessage = null; 740 mIcon = null; 741 } 742 743 protected SinglePressAction(int iconResId, Drawable icon, CharSequence message) { 744 mIconResId = iconResId; 745 mMessageResId = 0; 746 mMessage = message; 747 mIcon = icon; 748 } 749 750 public boolean isEnabled() { 751 return true; 752 } 753 754 public String getStatus() { 755 return null; 756 } 757 758 abstract public void onPress(); 759 760 public CharSequence getLabelForAccessibility(Context context) { 761 if (mMessage != null) { 762 return mMessage; 763 } else { 764 return context.getString(mMessageResId); 765 } 766 } 767 768 public View create( 769 Context context, View convertView, ViewGroup parent, LayoutInflater inflater) { 770 View v = inflater.inflate(R.layout.global_actions_item, parent, false); 771 772 ImageView icon = (ImageView) v.findViewById(R.id.icon); 773 TextView messageView = (TextView) v.findViewById(R.id.message); 774 775 TextView statusView = (TextView) v.findViewById(R.id.status); 776 final String status = getStatus(); 777 if (!TextUtils.isEmpty(status)) { 778 statusView.setText(status); 779 } else { 780 statusView.setVisibility(View.GONE); 781 } 782 if (mIcon != null) { 783 icon.setImageDrawable(mIcon); 784 icon.setScaleType(ScaleType.CENTER_CROP); 785 } else if (mIconResId != 0) { 786 icon.setImageDrawable(context.getDrawable(mIconResId)); 787 } 788 if (mMessage != null) { 789 messageView.setText(mMessage); 790 } else { 791 messageView.setText(mMessageResId); 792 } 793 794 return v; 795 } 796 } 797 798 /** 799 * A toggle action knows whether it is on or off, and displays an icon 800 * and status message accordingly. 801 */ 802 private static abstract class ToggleAction implements Action { 803 804 enum State { 805 Off(false), 806 TurningOn(true), 807 TurningOff(true), 808 On(false); 809 810 private final boolean inTransition; 811 812 State(boolean intermediate) { 813 inTransition = intermediate; 814 } 815 816 public boolean inTransition() { 817 return inTransition; 818 } 819 } 820 821 protected State mState = State.Off; 822 823 // prefs 824 protected int mEnabledIconResId; 825 protected int mDisabledIconResid; 826 protected int mMessageResId; 827 protected int mEnabledStatusMessageResId; 828 protected int mDisabledStatusMessageResId; 829 830 /** 831 * @param enabledIconResId The icon for when this action is on. 832 * @param disabledIconResid The icon for when this action is off. 833 * @param essage The general information message, e.g 'Silent Mode' 834 * @param enabledStatusMessageResId The on status message, e.g 'sound disabled' 835 * @param disabledStatusMessageResId The off status message, e.g. 'sound enabled' 836 */ 837 public ToggleAction(int enabledIconResId, 838 int disabledIconResid, 839 int message, 840 int enabledStatusMessageResId, 841 int disabledStatusMessageResId) { 842 mEnabledIconResId = enabledIconResId; 843 mDisabledIconResid = disabledIconResid; 844 mMessageResId = message; 845 mEnabledStatusMessageResId = enabledStatusMessageResId; 846 mDisabledStatusMessageResId = disabledStatusMessageResId; 847 } 848 849 /** 850 * Override to make changes to resource IDs just before creating the 851 * View. 852 */ 853 void willCreate() { 854 855 } 856 857 @Override 858 public CharSequence getLabelForAccessibility(Context context) { 859 return context.getString(mMessageResId); 860 } 861 862 public View create(Context context, View convertView, ViewGroup parent, 863 LayoutInflater inflater) { 864 willCreate(); 865 866 View v = inflater.inflate(R 867 .layout.global_actions_item, parent, false); 868 869 ImageView icon = (ImageView) v.findViewById(R.id.icon); 870 TextView messageView = (TextView) v.findViewById(R.id.message); 871 TextView statusView = (TextView) v.findViewById(R.id.status); 872 final boolean enabled = isEnabled(); 873 874 if (messageView != null) { 875 messageView.setText(mMessageResId); 876 messageView.setEnabled(enabled); 877 } 878 879 boolean on = ((mState == State.On) || (mState == State.TurningOn)); 880 if (icon != null) { 881 icon.setImageDrawable(context.getDrawable( 882 (on ? mEnabledIconResId : mDisabledIconResid))); 883 icon.setEnabled(enabled); 884 } 885 886 if (statusView != null) { 887 statusView.setText(on ? mEnabledStatusMessageResId : mDisabledStatusMessageResId); 888 statusView.setVisibility(View.VISIBLE); 889 statusView.setEnabled(enabled); 890 } 891 v.setEnabled(enabled); 892 893 return v; 894 } 895 896 public final void onPress() { 897 if (mState.inTransition()) { 898 Log.w(TAG, "shouldn't be able to toggle when in transition"); 899 return; 900 } 901 902 final boolean nowOn = !(mState == State.On); 903 onToggle(nowOn); 904 changeStateFromPress(nowOn); 905 } 906 907 public boolean isEnabled() { 908 return !mState.inTransition(); 909 } 910 911 /** 912 * Implementations may override this if their state can be in on of the intermediate 913 * states until some notification is received (e.g airplane mode is 'turning off' until 914 * we know the wireless connections are back online 915 * @param buttonOn Whether the button was turned on or off 916 */ 917 protected void changeStateFromPress(boolean buttonOn) { 918 mState = buttonOn ? State.On : State.Off; 919 } 920 921 abstract void onToggle(boolean on); 922 923 public void updateState(State state) { 924 mState = state; 925 } 926 } 927 928 private class SilentModeToggleAction extends ToggleAction { 929 public SilentModeToggleAction() { 930 super(R.drawable.ic_audio_vol_mute, 931 R.drawable.ic_audio_vol, 932 R.string.global_action_toggle_silent_mode, 933 R.string.global_action_silent_mode_on_status, 934 R.string.global_action_silent_mode_off_status); 935 } 936 937 void onToggle(boolean on) { 938 if (on) { 939 mAudioManager.setRingerMode(AudioManager.RINGER_MODE_SILENT); 940 } else { 941 mAudioManager.setRingerMode(AudioManager.RINGER_MODE_NORMAL); 942 } 943 } 944 945 public boolean showDuringKeyguard() { 946 return true; 947 } 948 949 public boolean showBeforeProvisioning() { 950 return false; 951 } 952 } 953 954 private static class SilentModeTriStateAction implements Action, View.OnClickListener { 955 956 private final int[] ITEM_IDS = { R.id.option1, R.id.option2, R.id.option3 }; 957 958 private final AudioManager mAudioManager; 959 private final Handler mHandler; 960 private final Context mContext; 961 962 SilentModeTriStateAction(Context context, AudioManager audioManager, Handler handler) { 963 mAudioManager = audioManager; 964 mHandler = handler; 965 mContext = context; 966 } 967 968 private int ringerModeToIndex(int ringerMode) { 969 // They just happen to coincide 970 return ringerMode; 971 } 972 973 private int indexToRingerMode(int index) { 974 // They just happen to coincide 975 return index; 976 } 977 978 @Override 979 public CharSequence getLabelForAccessibility(Context context) { 980 return null; 981 } 982 983 public View create(Context context, View convertView, ViewGroup parent, 984 LayoutInflater inflater) { 985 View v = inflater.inflate(R.layout.global_actions_silent_mode, parent, false); 986 987 int selectedIndex = ringerModeToIndex(mAudioManager.getRingerMode()); 988 for (int i = 0; i < 3; i++) { 989 View itemView = v.findViewById(ITEM_IDS[i]); 990 itemView.setSelected(selectedIndex == i); 991 // Set up click handler 992 itemView.setTag(i); 993 itemView.setOnClickListener(this); 994 } 995 return v; 996 } 997 998 public void onPress() { 999 } 1000 1001 public boolean showDuringKeyguard() { 1002 return true; 1003 } 1004 1005 public boolean showBeforeProvisioning() { 1006 return false; 1007 } 1008 1009 public boolean isEnabled() { 1010 return true; 1011 } 1012 1013 void willCreate() { 1014 } 1015 1016 public void onClick(View v) { 1017 if (!(v.getTag() instanceof Integer)) return; 1018 1019 int index = (Integer) v.getTag(); 1020 mAudioManager.setRingerMode(indexToRingerMode(index)); 1021 mHandler.sendEmptyMessageDelayed(MESSAGE_DISMISS, DIALOG_DISMISS_DELAY); 1022 } 1023 } 1024 1025 private BroadcastReceiver mBroadcastReceiver = new BroadcastReceiver() { 1026 public void onReceive(Context context, Intent intent) { 1027 String action = intent.getAction(); 1028 if (Intent.ACTION_CLOSE_SYSTEM_DIALOGS.equals(action) 1029 || Intent.ACTION_SCREEN_OFF.equals(action)) { 1030 String reason = intent.getStringExtra(PhoneWindowManager.SYSTEM_DIALOG_REASON_KEY); 1031 if (!PhoneWindowManager.SYSTEM_DIALOG_REASON_GLOBAL_ACTIONS.equals(reason)) { 1032 mHandler.sendEmptyMessage(MESSAGE_DISMISS); 1033 } 1034 } else if (TelephonyIntents.ACTION_EMERGENCY_CALLBACK_MODE_CHANGED.equals(action)) { 1035 // Airplane mode can be changed after ECM exits if airplane toggle button 1036 // is pressed during ECM mode 1037 if (!(intent.getBooleanExtra("PHONE_IN_ECM_STATE", false)) && 1038 mIsWaitingForEcmExit) { 1039 mIsWaitingForEcmExit = false; 1040 changeAirplaneModeSystemSetting(true); 1041 } 1042 } 1043 } 1044 }; 1045 1046 PhoneStateListener mPhoneStateListener = new PhoneStateListener() { 1047 @Override 1048 public void onServiceStateChanged(ServiceState serviceState) { 1049 if (!mHasTelephony) return; 1050 final boolean inAirplaneMode = serviceState.getState() == ServiceState.STATE_POWER_OFF; 1051 mAirplaneState = inAirplaneMode ? ToggleAction.State.On : ToggleAction.State.Off; 1052 mAirplaneModeOn.updateState(mAirplaneState); 1053 mAdapter.notifyDataSetChanged(); 1054 } 1055 }; 1056 1057 private BroadcastReceiver mRingerModeReceiver = new BroadcastReceiver() { 1058 @Override 1059 public void onReceive(Context context, Intent intent) { 1060 if (intent.getAction().equals(AudioManager.RINGER_MODE_CHANGED_ACTION)) { 1061 mHandler.sendEmptyMessage(MESSAGE_REFRESH); 1062 } 1063 } 1064 }; 1065 1066 private ContentObserver mAirplaneModeObserver = new ContentObserver(new Handler()) { 1067 @Override 1068 public void onChange(boolean selfChange) { 1069 onAirplaneModeChanged(); 1070 } 1071 }; 1072 1073 private static final int MESSAGE_DISMISS = 0; 1074 private static final int MESSAGE_REFRESH = 1; 1075 private static final int MESSAGE_SHOW = 2; 1076 private static final int DIALOG_DISMISS_DELAY = 300; // ms 1077 1078 private Handler mHandler = new Handler() { 1079 public void handleMessage(Message msg) { 1080 switch (msg.what) { 1081 case MESSAGE_DISMISS: 1082 if (mDialog != null) { 1083 mDialog.dismiss(); 1084 mDialog = null; 1085 } 1086 break; 1087 case MESSAGE_REFRESH: 1088 refreshSilentMode(); 1089 mAdapter.notifyDataSetChanged(); 1090 break; 1091 case MESSAGE_SHOW: 1092 handleShow(); 1093 break; 1094 } 1095 } 1096 }; 1097 1098 private void onAirplaneModeChanged() { 1099 // Let the service state callbacks handle the state. 1100 if (mHasTelephony) return; 1101 1102 boolean airplaneModeOn = Settings.Global.getInt( 1103 mContext.getContentResolver(), 1104 Settings.Global.AIRPLANE_MODE_ON, 1105 0) == 1; 1106 mAirplaneState = airplaneModeOn ? ToggleAction.State.On : ToggleAction.State.Off; 1107 mAirplaneModeOn.updateState(mAirplaneState); 1108 } 1109 1110 /** 1111 * Change the airplane mode system setting 1112 */ 1113 private void changeAirplaneModeSystemSetting(boolean on) { 1114 Settings.Global.putInt( 1115 mContext.getContentResolver(), 1116 Settings.Global.AIRPLANE_MODE_ON, 1117 on ? 1 : 0); 1118 Intent intent = new Intent(Intent.ACTION_AIRPLANE_MODE_CHANGED); 1119 intent.addFlags(Intent.FLAG_RECEIVER_REPLACE_PENDING); 1120 intent.putExtra("state", on); 1121 mContext.sendBroadcastAsUser(intent, UserHandle.ALL); 1122 if (!mHasTelephony) { 1123 mAirplaneState = on ? ToggleAction.State.On : ToggleAction.State.Off; 1124 } 1125 } 1126 1127 private static final class GlobalActionsDialog extends Dialog implements DialogInterface { 1128 private final Context mContext; 1129 private final int mWindowTouchSlop; 1130 private final AlertController mAlert; 1131 private final MyAdapter mAdapter; 1132 1133 private EnableAccessibilityController mEnableAccessibilityController; 1134 1135 private boolean mIntercepted; 1136 private boolean mCancelOnUp; 1137 1138 public GlobalActionsDialog(Context context, AlertParams params) { 1139 super(context, getDialogTheme(context)); 1140 mContext = getContext(); 1141 mAlert = new AlertController(mContext, this, getWindow()); 1142 mAdapter = (MyAdapter) params.mAdapter; 1143 mWindowTouchSlop = ViewConfiguration.get(context).getScaledWindowTouchSlop(); 1144 params.apply(mAlert); 1145 } 1146 1147 private static int getDialogTheme(Context context) { 1148 TypedValue outValue = new TypedValue(); 1149 context.getTheme().resolveAttribute(com.android.internal.R.attr.alertDialogTheme, 1150 outValue, true); 1151 return outValue.resourceId; 1152 } 1153 1154 @Override 1155 protected void onStart() { 1156 // If global accessibility gesture can be performed, we will take care 1157 // of dismissing the dialog on touch outside. This is because the dialog 1158 // is dismissed on the first down while the global gesture is a long press 1159 // with two fingers anywhere on the screen. 1160 if (EnableAccessibilityController.canEnableAccessibilityViaGesture(mContext)) { 1161 mEnableAccessibilityController = new EnableAccessibilityController(mContext, 1162 new Runnable() { 1163 @Override 1164 public void run() { 1165 dismiss(); 1166 } 1167 }); 1168 super.setCanceledOnTouchOutside(false); 1169 } else { 1170 mEnableAccessibilityController = null; 1171 super.setCanceledOnTouchOutside(true); 1172 } 1173 1174 super.onStart(); 1175 } 1176 1177 @Override 1178 protected void onStop() { 1179 if (mEnableAccessibilityController != null) { 1180 mEnableAccessibilityController.onDestroy(); 1181 } 1182 super.onStop(); 1183 } 1184 1185 @Override 1186 public boolean dispatchTouchEvent(MotionEvent event) { 1187 if (mEnableAccessibilityController != null) { 1188 final int action = event.getActionMasked(); 1189 if (action == MotionEvent.ACTION_DOWN) { 1190 View decor = getWindow().getDecorView(); 1191 final int eventX = (int) event.getX(); 1192 final int eventY = (int) event.getY(); 1193 if (eventX < -mWindowTouchSlop 1194 || eventY < -mWindowTouchSlop 1195 || eventX >= decor.getWidth() + mWindowTouchSlop 1196 || eventY >= decor.getHeight() + mWindowTouchSlop) { 1197 mCancelOnUp = true; 1198 } 1199 } 1200 try { 1201 if (!mIntercepted) { 1202 mIntercepted = mEnableAccessibilityController.onInterceptTouchEvent(event); 1203 if (mIntercepted) { 1204 final long now = SystemClock.uptimeMillis(); 1205 event = MotionEvent.obtain(now, now, 1206 MotionEvent.ACTION_CANCEL, 0.0f, 0.0f, 0); 1207 event.setSource(InputDevice.SOURCE_TOUCHSCREEN); 1208 mCancelOnUp = true; 1209 } 1210 } else { 1211 return mEnableAccessibilityController.onTouchEvent(event); 1212 } 1213 } finally { 1214 if (action == MotionEvent.ACTION_UP) { 1215 if (mCancelOnUp) { 1216 cancel(); 1217 } 1218 mCancelOnUp = false; 1219 mIntercepted = false; 1220 } 1221 } 1222 } 1223 return super.dispatchTouchEvent(event); 1224 } 1225 1226 public ListView getListView() { 1227 return mAlert.getListView(); 1228 } 1229 1230 @Override 1231 protected void onCreate(Bundle savedInstanceState) { 1232 super.onCreate(savedInstanceState); 1233 mAlert.installContent(); 1234 } 1235 1236 @Override 1237 public boolean dispatchPopulateAccessibilityEvent(AccessibilityEvent event) { 1238 if (event.getEventType() == AccessibilityEvent.TYPE_WINDOW_STATE_CHANGED) { 1239 for (int i = 0; i < mAdapter.getCount(); ++i) { 1240 CharSequence label = 1241 mAdapter.getItem(i).getLabelForAccessibility(getContext()); 1242 if (label != null) { 1243 event.getText().add(label); 1244 } 1245 } 1246 } 1247 return super.dispatchPopulateAccessibilityEvent(event); 1248 } 1249 1250 @Override 1251 public boolean onKeyDown(int keyCode, KeyEvent event) { 1252 if (mAlert.onKeyDown(keyCode, event)) { 1253 return true; 1254 } 1255 return super.onKeyDown(keyCode, event); 1256 } 1257 1258 @Override 1259 public boolean onKeyUp(int keyCode, KeyEvent event) { 1260 if (mAlert.onKeyUp(keyCode, event)) { 1261 return true; 1262 } 1263 return super.onKeyUp(keyCode, event); 1264 } 1265 } 1266} 1267