Launcher.java revision 2d7e7d0d4826850c8983f001ce706d802282b0f3
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.launcher2; 18 19import android.app.Activity; 20import android.app.AlertDialog; 21import android.app.Dialog; 22import android.app.SearchManager; 23import android.app.StatusBarManager; 24import android.app.WallpaperManager; 25import android.content.ActivityNotFoundException; 26import android.content.BroadcastReceiver; 27import android.content.ComponentName; 28import android.content.ContentResolver; 29import android.content.Context; 30import android.content.DialogInterface; 31import android.content.Intent; 32import android.content.Intent.ShortcutIconResource; 33import android.content.IntentFilter; 34import android.content.pm.ActivityInfo; 35import android.content.pm.PackageManager; 36import android.content.pm.PackageManager.NameNotFoundException; 37import android.content.res.Configuration; 38import android.content.res.Resources; 39import android.database.ContentObserver; 40import android.graphics.Bitmap; 41import android.graphics.Rect; 42import android.graphics.Canvas; 43import android.graphics.drawable.Drawable; 44import android.graphics.drawable.ColorDrawable; 45import android.os.Bundle; 46import android.os.Handler; 47import android.os.Parcelable; 48import android.os.SystemProperties; 49import android.provider.LiveFolders; 50import android.text.Selection; 51import android.text.SpannableStringBuilder; 52import android.text.TextUtils; 53import android.text.method.TextKeyListener; 54import android.util.Log; 55import android.view.Display; 56import android.view.HapticFeedbackConstants; 57import android.view.KeyEvent; 58import android.view.LayoutInflater; 59import android.view.Menu; 60import android.view.MenuItem; 61import android.view.View; 62import android.view.ViewGroup; 63import android.view.View.OnLongClickListener; 64import android.view.WindowManager; 65import android.view.inputmethod.InputMethodManager; 66import android.widget.EditText; 67import android.widget.TextView; 68import android.widget.Toast; 69import android.widget.ImageView; 70import android.widget.PopupWindow; 71import android.widget.LinearLayout; 72import android.appwidget.AppWidgetManager; 73import android.appwidget.AppWidgetProviderInfo; 74 75import java.util.ArrayList; 76import java.util.HashMap; 77import java.io.DataOutputStream; 78import java.io.FileNotFoundException; 79import java.io.IOException; 80import java.io.DataInputStream; 81 82/** 83 * Default launcher application. 84 */ 85public final class Launcher extends Activity 86 implements View.OnClickListener, OnLongClickListener, LauncherModel.Callbacks { 87 static final String TAG = "Launcher"; 88 static final boolean LOGD = false; 89 90 static final boolean PROFILE_STARTUP = false; 91 static final boolean PROFILE_ROTATE = false; 92 static final boolean DEBUG_USER_INTERFACE = false; 93 94 private static final int WALLPAPER_SCREENS_SPAN = 2; 95 96 private static final int MENU_GROUP_ADD = 1; 97 private static final int MENU_GROUP_WALLPAPER = MENU_GROUP_ADD + 1; 98 99 private static final int MENU_ADD = Menu.FIRST + 1; 100 private static final int MENU_WALLPAPER_SETTINGS = MENU_ADD + 1; 101 private static final int MENU_SEARCH = MENU_WALLPAPER_SETTINGS + 1; 102 private static final int MENU_NOTIFICATIONS = MENU_SEARCH + 1; 103 private static final int MENU_SETTINGS = MENU_NOTIFICATIONS + 1; 104 105 private static final int REQUEST_CREATE_SHORTCUT = 1; 106 private static final int REQUEST_CREATE_LIVE_FOLDER = 4; 107 private static final int REQUEST_CREATE_APPWIDGET = 5; 108 private static final int REQUEST_PICK_APPLICATION = 6; 109 private static final int REQUEST_PICK_SHORTCUT = 7; 110 private static final int REQUEST_PICK_LIVE_FOLDER = 8; 111 private static final int REQUEST_PICK_APPWIDGET = 9; 112 private static final int REQUEST_PICK_WALLPAPER = 10; 113 114 static final String EXTRA_SHORTCUT_DUPLICATE = "duplicate"; 115 116 static final int SCREEN_COUNT = 5; 117 static final int DEFAULT_SCREEN = 2; 118 static final int NUMBER_CELLS_X = 4; 119 static final int NUMBER_CELLS_Y = 4; 120 121 static final int DIALOG_CREATE_SHORTCUT = 1; 122 static final int DIALOG_RENAME_FOLDER = 2; 123 124 private static final String PREFERENCES = "launcher.preferences"; 125 126 // Type: int 127 private static final String RUNTIME_STATE_CURRENT_SCREEN = "launcher.current_screen"; 128 // Type: boolean 129 private static final String RUNTIME_STATE_ALL_APPS_FOLDER = "launcher.all_apps_folder"; 130 // Type: long 131 private static final String RUNTIME_STATE_USER_FOLDERS = "launcher.user_folder"; 132 // Type: int 133 private static final String RUNTIME_STATE_PENDING_ADD_SCREEN = "launcher.add_screen"; 134 // Type: int 135 private static final String RUNTIME_STATE_PENDING_ADD_CELL_X = "launcher.add_cellX"; 136 // Type: int 137 private static final String RUNTIME_STATE_PENDING_ADD_CELL_Y = "launcher.add_cellY"; 138 // Type: int 139 private static final String RUNTIME_STATE_PENDING_ADD_SPAN_X = "launcher.add_spanX"; 140 // Type: int 141 private static final String RUNTIME_STATE_PENDING_ADD_SPAN_Y = "launcher.add_spanY"; 142 // Type: int 143 private static final String RUNTIME_STATE_PENDING_ADD_COUNT_X = "launcher.add_countX"; 144 // Type: int 145 private static final String RUNTIME_STATE_PENDING_ADD_COUNT_Y = "launcher.add_countY"; 146 // Type: int[] 147 private static final String RUNTIME_STATE_PENDING_ADD_OCCUPIED_CELLS = "launcher.add_occupied_cells"; 148 // Type: boolean 149 private static final String RUNTIME_STATE_PENDING_FOLDER_RENAME = "launcher.rename_folder"; 150 // Type: long 151 private static final String RUNTIME_STATE_PENDING_FOLDER_RENAME_ID = "launcher.rename_folder_id"; 152 153 static final int APPWIDGET_HOST_ID = 1024; 154 155 private static final Object sLock = new Object(); 156 private static int sScreen = DEFAULT_SCREEN; 157 158 private final BroadcastReceiver mCloseSystemDialogsReceiver 159 = new CloseSystemDialogsIntentReceiver(); 160 private final ContentObserver mWidgetObserver = new AppWidgetResetObserver(); 161 162 private LayoutInflater mInflater; 163 164 private DragController mDragController; 165 private Workspace mWorkspace; 166 167 private AppWidgetManager mAppWidgetManager; 168 private LauncherAppWidgetHost mAppWidgetHost; 169 170 private CellLayout.CellInfo mAddItemCellInfo; 171 private CellLayout.CellInfo mMenuAddInfo; 172 private final int[] mCellCoordinates = new int[2]; 173 private FolderInfo mFolderInfo; 174 175 private DeleteZone mDeleteZone; 176 private HandleView mHandleView; 177 private AllAppsView mAllAppsGrid; 178 179 private Bundle mSavedState; 180 181 private SpannableStringBuilder mDefaultKeySsb = null; 182 183 private boolean mWorkspaceLoading = true; 184 185 private boolean mPaused = true; 186 private boolean mRestoring; 187 private boolean mWaitingForResult; 188 189 private Bundle mSavedInstanceState; 190 191 private LauncherModel mModel; 192 193 private ArrayList<ItemInfo> mDesktopItems = new ArrayList<ItemInfo>(); 194 private static HashMap<Long, FolderInfo> mFolders = new HashMap<Long, FolderInfo>(); 195 196 private ImageView mPreviousView; 197 private ImageView mNextView; 198 199 @Override 200 protected void onCreate(Bundle savedInstanceState) { 201 super.onCreate(savedInstanceState); 202 203 mModel = ((LauncherApplication)getApplication()).setLauncher(this); 204 mDragController = new DragController(this); 205 mInflater = getLayoutInflater(); 206 207 mAppWidgetManager = AppWidgetManager.getInstance(this); 208 mAppWidgetHost = new LauncherAppWidgetHost(this, APPWIDGET_HOST_ID); 209 mAppWidgetHost.startListening(); 210 211 if (PROFILE_STARTUP) { 212 android.os.Debug.startMethodTracing("/sdcard/launcher"); 213 } 214 215 checkForLocaleChange(); 216 setWallpaperDimension(); 217 218 setContentView(R.layout.launcher); 219 setupViews(); 220 221 registerContentObservers(); 222 223 lockAllApps(); 224 225 mSavedState = savedInstanceState; 226 restoreState(mSavedState); 227 228 if (PROFILE_STARTUP) { 229 android.os.Debug.stopMethodTracing(); 230 } 231 232 // We have a new AllAppsView, we need to re-bind everything, and it could have 233 // changed in our absence. 234 mModel.setAllAppsDirty(); 235 mModel.setWorkspaceDirty(); 236 237 if (!mRestoring) { 238 mModel.startLoader(this, true); 239 } 240 241 // For handling default keys 242 mDefaultKeySsb = new SpannableStringBuilder(); 243 Selection.setSelection(mDefaultKeySsb, 0); 244 245 IntentFilter filter = new IntentFilter(Intent.ACTION_CLOSE_SYSTEM_DIALOGS); 246 registerReceiver(mCloseSystemDialogsReceiver, filter); 247 } 248 249 private void checkForLocaleChange() { 250 final LocaleConfiguration localeConfiguration = new LocaleConfiguration(); 251 readConfiguration(this, localeConfiguration); 252 253 final Configuration configuration = getResources().getConfiguration(); 254 255 final String previousLocale = localeConfiguration.locale; 256 final String locale = configuration.locale.toString(); 257 258 final int previousMcc = localeConfiguration.mcc; 259 final int mcc = configuration.mcc; 260 261 final int previousMnc = localeConfiguration.mnc; 262 final int mnc = configuration.mnc; 263 264 boolean localeChanged = !locale.equals(previousLocale) || mcc != previousMcc || mnc != previousMnc; 265 266 if (localeChanged) { 267 localeConfiguration.locale = locale; 268 localeConfiguration.mcc = mcc; 269 localeConfiguration.mnc = mnc; 270 271 writeConfiguration(this, localeConfiguration); 272 AppInfoCache.flush(); 273 } 274 } 275 276 private static class LocaleConfiguration { 277 public String locale; 278 public int mcc = -1; 279 public int mnc = -1; 280 } 281 282 private static void readConfiguration(Context context, LocaleConfiguration configuration) { 283 DataInputStream in = null; 284 try { 285 in = new DataInputStream(context.openFileInput(PREFERENCES)); 286 configuration.locale = in.readUTF(); 287 configuration.mcc = in.readInt(); 288 configuration.mnc = in.readInt(); 289 } catch (FileNotFoundException e) { 290 // Ignore 291 } catch (IOException e) { 292 // Ignore 293 } finally { 294 if (in != null) { 295 try { 296 in.close(); 297 } catch (IOException e) { 298 // Ignore 299 } 300 } 301 } 302 } 303 304 private static void writeConfiguration(Context context, LocaleConfiguration configuration) { 305 DataOutputStream out = null; 306 try { 307 out = new DataOutputStream(context.openFileOutput(PREFERENCES, MODE_PRIVATE)); 308 out.writeUTF(configuration.locale); 309 out.writeInt(configuration.mcc); 310 out.writeInt(configuration.mnc); 311 out.flush(); 312 } catch (FileNotFoundException e) { 313 // Ignore 314 } catch (IOException e) { 315 //noinspection ResultOfMethodCallIgnored 316 context.getFileStreamPath(PREFERENCES).delete(); 317 } finally { 318 if (out != null) { 319 try { 320 out.close(); 321 } catch (IOException e) { 322 // Ignore 323 } 324 } 325 } 326 } 327 328 static int getScreen() { 329 synchronized (sLock) { 330 return sScreen; 331 } 332 } 333 334 static void setScreen(int screen) { 335 synchronized (sLock) { 336 sScreen = screen; 337 } 338 } 339 340 private void setWallpaperDimension() { 341 WallpaperManager wpm = (WallpaperManager)getSystemService(WALLPAPER_SERVICE); 342 343 Display display = getWindowManager().getDefaultDisplay(); 344 boolean isPortrait = display.getWidth() < display.getHeight(); 345 346 final int width = isPortrait ? display.getWidth() : display.getHeight(); 347 final int height = isPortrait ? display.getHeight() : display.getWidth(); 348 wpm.suggestDesiredDimensions(width * WALLPAPER_SCREENS_SPAN, height); 349 } 350 351 @Override 352 protected void onActivityResult(int requestCode, int resultCode, Intent data) { 353 mWaitingForResult = false; 354 355 // The pattern used here is that a user PICKs a specific application, 356 // which, depending on the target, might need to CREATE the actual target. 357 358 // For example, the user would PICK_SHORTCUT for "Music playlist", and we 359 // launch over to the Music app to actually CREATE_SHORTCUT. 360 361 if (resultCode == RESULT_OK && mAddItemCellInfo != null) { 362 switch (requestCode) { 363 case REQUEST_PICK_APPLICATION: 364 completeAddApplication(this, data, mAddItemCellInfo); 365 break; 366 case REQUEST_PICK_SHORTCUT: 367 processShortcut(data, REQUEST_PICK_APPLICATION, REQUEST_CREATE_SHORTCUT); 368 break; 369 case REQUEST_CREATE_SHORTCUT: 370 completeAddShortcut(data, mAddItemCellInfo); 371 break; 372 case REQUEST_PICK_LIVE_FOLDER: 373 addLiveFolder(data); 374 break; 375 case REQUEST_CREATE_LIVE_FOLDER: 376 completeAddLiveFolder(data, mAddItemCellInfo); 377 break; 378 case REQUEST_PICK_APPWIDGET: 379 addAppWidget(data); 380 break; 381 case REQUEST_CREATE_APPWIDGET: 382 completeAddAppWidget(data, mAddItemCellInfo); 383 break; 384 case REQUEST_PICK_WALLPAPER: 385 // We just wanted the activity result here so we can clear mWaitingForResult 386 break; 387 } 388 } else if ((requestCode == REQUEST_PICK_APPWIDGET || 389 requestCode == REQUEST_CREATE_APPWIDGET) && resultCode == RESULT_CANCELED && 390 data != null) { 391 // Clean up the appWidgetId if we canceled 392 int appWidgetId = data.getIntExtra(AppWidgetManager.EXTRA_APPWIDGET_ID, -1); 393 if (appWidgetId != -1) { 394 mAppWidgetHost.deleteAppWidgetId(appWidgetId); 395 } 396 } 397 } 398 399 @Override 400 protected void onResume() { 401 super.onResume(); 402 403 mPaused = false; 404 405 if (mRestoring) { 406 mWorkspaceLoading = true; 407 mModel.startLoader(this, true); 408 mRestoring = false; 409 } 410 } 411 412 @Override 413 protected void onPause() { 414 super.onPause(); 415 dismissPreview(mPreviousView); 416 dismissPreview(mNextView); 417 mDragController.cancelDrag(); 418 } 419 420 @Override 421 public Object onRetainNonConfigurationInstance() { 422 // Flag the loader to stop early before switching 423 mModel.stopLoader(); 424 425 if (PROFILE_ROTATE) { 426 android.os.Debug.startMethodTracing("/sdcard/launcher-rotate"); 427 } 428 return null; 429 } 430 431 // We can't hide the IME if it was forced open. So don't bother 432 /* 433 @Override 434 public void onWindowFocusChanged(boolean hasFocus) { 435 super.onWindowFocusChanged(hasFocus); 436 437 if (hasFocus) { 438 final InputMethodManager inputManager = (InputMethodManager) 439 getSystemService(Context.INPUT_METHOD_SERVICE); 440 WindowManager.LayoutParams lp = getWindow().getAttributes(); 441 inputManager.hideSoftInputFromWindow(lp.token, 0, new android.os.ResultReceiver(new 442 android.os.Handler()) { 443 protected void onReceiveResult(int resultCode, Bundle resultData) { 444 Log.d(TAG, "ResultReceiver got resultCode=" + resultCode); 445 } 446 }); 447 Log.d(TAG, "called hideSoftInputFromWindow from onWindowFocusChanged"); 448 } 449 } 450 */ 451 452 private boolean acceptFilter() { 453 final InputMethodManager inputManager = (InputMethodManager) 454 getSystemService(Context.INPUT_METHOD_SERVICE); 455 return !inputManager.isFullscreenMode(); 456 } 457 458 @Override 459 public boolean onKeyDown(int keyCode, KeyEvent event) { 460 boolean handled = super.onKeyDown(keyCode, event); 461 if (!handled && acceptFilter() && keyCode != KeyEvent.KEYCODE_ENTER) { 462 boolean gotKey = TextKeyListener.getInstance().onKeyDown(mWorkspace, mDefaultKeySsb, 463 keyCode, event); 464 if (gotKey && mDefaultKeySsb != null && mDefaultKeySsb.length() > 0) { 465 // something usable has been typed - start a search 466 // the typed text will be retrieved and cleared by 467 // showSearchDialog() 468 // If there are multiple keystrokes before the search dialog takes focus, 469 // onSearchRequested() will be called for every keystroke, 470 // but it is idempotent, so it's fine. 471 return onSearchRequested(); 472 } 473 } 474 475 // Eat the long press event so the keyboard doesn't come up. 476 if (keyCode == KeyEvent.KEYCODE_MENU && event.isLongPress()) { 477 return true; 478 } 479 480 return handled; 481 } 482 483 private String getTypedText() { 484 return mDefaultKeySsb.toString(); 485 } 486 487 private void clearTypedText() { 488 mDefaultKeySsb.clear(); 489 mDefaultKeySsb.clearSpans(); 490 Selection.setSelection(mDefaultKeySsb, 0); 491 } 492 493 /** 494 * Restores the previous state, if it exists. 495 * 496 * @param savedState The previous state. 497 */ 498 private void restoreState(Bundle savedState) { 499 if (savedState == null) { 500 return; 501 } 502 503 final boolean allApps = savedState.getBoolean(RUNTIME_STATE_ALL_APPS_FOLDER, false); 504 if (allApps) { 505 showAllApps(false); 506 } 507 508 final int currentScreen = savedState.getInt(RUNTIME_STATE_CURRENT_SCREEN, -1); 509 if (currentScreen > -1) { 510 mWorkspace.setCurrentScreen(currentScreen); 511 } 512 513 final int addScreen = savedState.getInt(RUNTIME_STATE_PENDING_ADD_SCREEN, -1); 514 if (addScreen > -1) { 515 mAddItemCellInfo = new CellLayout.CellInfo(); 516 final CellLayout.CellInfo addItemCellInfo = mAddItemCellInfo; 517 addItemCellInfo.valid = true; 518 addItemCellInfo.screen = addScreen; 519 addItemCellInfo.cellX = savedState.getInt(RUNTIME_STATE_PENDING_ADD_CELL_X); 520 addItemCellInfo.cellY = savedState.getInt(RUNTIME_STATE_PENDING_ADD_CELL_Y); 521 addItemCellInfo.spanX = savedState.getInt(RUNTIME_STATE_PENDING_ADD_SPAN_X); 522 addItemCellInfo.spanY = savedState.getInt(RUNTIME_STATE_PENDING_ADD_SPAN_Y); 523 addItemCellInfo.findVacantCellsFromOccupied( 524 savedState.getBooleanArray(RUNTIME_STATE_PENDING_ADD_OCCUPIED_CELLS), 525 savedState.getInt(RUNTIME_STATE_PENDING_ADD_COUNT_X), 526 savedState.getInt(RUNTIME_STATE_PENDING_ADD_COUNT_Y)); 527 mRestoring = true; 528 } 529 530 boolean renameFolder = savedState.getBoolean(RUNTIME_STATE_PENDING_FOLDER_RENAME, false); 531 if (renameFolder) { 532 long id = savedState.getLong(RUNTIME_STATE_PENDING_FOLDER_RENAME_ID); 533 mFolderInfo = mModel.getFolderById(this, mFolders, id); 534 mRestoring = true; 535 } 536 } 537 538 /** 539 * Finds all the views we need and configure them properly. 540 */ 541 private void setupViews() { 542 DragController dragController = mDragController; 543 544 DragLayer dragLayer = (DragLayer) findViewById(R.id.drag_layer); 545 dragLayer.setDragController(dragController); 546 547 mAllAppsGrid = (AllAppsView)dragLayer.findViewById(R.id.all_apps_view); 548 mAllAppsGrid.setLauncher(this); 549 mAllAppsGrid.setDragController(dragController); 550 mAllAppsGrid.setWillNotDraw(false); // We don't want a hole punched in our window. 551 // Manage focusability manually since this thing is always visible 552 mAllAppsGrid.setFocusable(false); 553 554 mWorkspace = (Workspace) dragLayer.findViewById(R.id.workspace); 555 final Workspace workspace = mWorkspace; 556 557 DeleteZone deleteZone = (DeleteZone) dragLayer.findViewById(R.id.delete_zone); 558 mDeleteZone = deleteZone; 559 560 mHandleView = (HandleView) findViewById(R.id.all_apps_button); 561 mHandleView.setLauncher(this); 562 mHandleView.setOnClickListener(this); 563 mHandleView.setOnLongClickListener(this); 564 565 mPreviousView = (ImageView) dragLayer.findViewById(R.id.previous_screen); 566 mNextView = (ImageView) dragLayer.findViewById(R.id.next_screen); 567 568 Drawable previous = mPreviousView.getDrawable(); 569 Drawable next = mNextView.getDrawable(); 570 mWorkspace.setIndicators(previous, next); 571 572 mPreviousView.setHapticFeedbackEnabled(false); 573 mPreviousView.setOnLongClickListener(this); 574 mNextView.setHapticFeedbackEnabled(false); 575 mNextView.setOnLongClickListener(this); 576 577 workspace.setOnLongClickListener(this); 578 workspace.setDragController(dragController); 579 workspace.setLauncher(this); 580 581 deleteZone.setLauncher(this); 582 deleteZone.setDragController(dragController); 583 deleteZone.setHandle(mHandleView); 584 585 dragController.setDragScoller(workspace); 586 dragController.setDragListener(deleteZone); 587 dragController.setScrollView(dragLayer); 588 dragController.setMoveTarget(workspace); 589 590 // The order here is bottom to top. 591 dragController.addDropTarget(workspace); 592 dragController.addDropTarget(deleteZone); 593 } 594 595 @SuppressWarnings({"UnusedDeclaration"}) 596 public void previousScreen(View v) { 597 if (!isAllAppsVisible()) { 598 mWorkspace.scrollLeft(); 599 } 600 } 601 602 @SuppressWarnings({"UnusedDeclaration"}) 603 public void nextScreen(View v) { 604 if (!isAllAppsVisible()) { 605 mWorkspace.scrollRight(); 606 } 607 } 608 609 /** 610 * Creates a view representing a shortcut. 611 * 612 * @param info The data structure describing the shortcut. 613 * 614 * @return A View inflated from R.layout.application. 615 */ 616 View createShortcut(ApplicationInfo info) { 617 return createShortcut(R.layout.application, 618 (ViewGroup) mWorkspace.getChildAt(mWorkspace.getCurrentScreen()), info); 619 } 620 621 /** 622 * Creates a view representing a shortcut inflated from the specified resource. 623 * 624 * @param layoutResId The id of the XML layout used to create the shortcut. 625 * @param parent The group the shortcut belongs to. 626 * @param info The data structure describing the shortcut. 627 * 628 * @return A View inflated from layoutResId. 629 */ 630 View createShortcut(int layoutResId, ViewGroup parent, ApplicationInfo info) { 631 TextView favorite = (TextView) mInflater.inflate(layoutResId, parent, false); 632 633 if (info.icon == null) { 634 info.icon = AppInfoCache.getIconDrawable(getPackageManager(), info); 635 } 636 if (!info.filtered) { 637 info.icon = Utilities.createIconThumbnail(info.icon, this); 638 info.filtered = true; 639 } 640 641 favorite.setCompoundDrawablesWithIntrinsicBounds(null, info.icon, null, null); 642 favorite.setText(info.title); 643 favorite.setTag(info); 644 favorite.setOnClickListener(this); 645 646 return favorite; 647 } 648 649 /** 650 * Add an application shortcut to the workspace. 651 * 652 * @param data The intent describing the application. 653 * @param cellInfo The position on screen where to create the shortcut. 654 */ 655 void completeAddApplication(Context context, Intent data, CellLayout.CellInfo cellInfo) { 656 cellInfo.screen = mWorkspace.getCurrentScreen(); 657 if (!findSingleSlot(cellInfo)) return; 658 659 final ApplicationInfo info = infoFromApplicationIntent(context, data); 660 if (info != null) { 661 mWorkspace.addApplicationShortcut(info, cellInfo, isWorkspaceLocked()); 662 } 663 } 664 665 private static ApplicationInfo infoFromApplicationIntent(Context context, Intent data) { 666 ComponentName component = data.getComponent(); 667 PackageManager packageManager = context.getPackageManager(); 668 ActivityInfo activityInfo = null; 669 try { 670 activityInfo = packageManager.getActivityInfo(component, 0 /* no flags */); 671 } catch (NameNotFoundException e) { 672 Log.e(TAG, "Couldn't find ActivityInfo for selected application", e); 673 } 674 675 if (activityInfo != null) { 676 ApplicationInfo itemInfo = new ApplicationInfo(); 677 678 itemInfo.title = activityInfo.loadLabel(packageManager); 679 if (itemInfo.title == null) { 680 itemInfo.title = activityInfo.name; 681 } 682 683 itemInfo.setActivity(component, Intent.FLAG_ACTIVITY_NEW_TASK | 684 Intent.FLAG_ACTIVITY_RESET_TASK_IF_NEEDED); 685 itemInfo.icon = activityInfo.loadIcon(packageManager); 686 itemInfo.container = ItemInfo.NO_ID; 687 688 return itemInfo; 689 } 690 691 return null; 692 } 693 694 /** 695 * Add a shortcut to the workspace. 696 * 697 * @param data The intent describing the shortcut. 698 * @param cellInfo The position on screen where to create the shortcut. 699 */ 700 private void completeAddShortcut(Intent data, CellLayout.CellInfo cellInfo) { 701 cellInfo.screen = mWorkspace.getCurrentScreen(); 702 if (!findSingleSlot(cellInfo)) return; 703 704 final ApplicationInfo info = addShortcut(this, data, cellInfo, false); 705 706 if (!mRestoring) { 707 final View view = createShortcut(info); 708 mWorkspace.addInCurrentScreen(view, cellInfo.cellX, cellInfo.cellY, 1, 1, 709 isWorkspaceLocked()); 710 } 711 } 712 713 714 /** 715 * Add a widget to the workspace. 716 * 717 * @param data The intent describing the appWidgetId. 718 * @param cellInfo The position on screen where to create the widget. 719 */ 720 private void completeAddAppWidget(Intent data, CellLayout.CellInfo cellInfo) { 721 Bundle extras = data.getExtras(); 722 int appWidgetId = extras.getInt(AppWidgetManager.EXTRA_APPWIDGET_ID, -1); 723 724 if (LOGD) Log.d(TAG, "dumping extras content=" + extras.toString()); 725 726 AppWidgetProviderInfo appWidgetInfo = mAppWidgetManager.getAppWidgetInfo(appWidgetId); 727 728 // Calculate the grid spans needed to fit this widget 729 CellLayout layout = (CellLayout) mWorkspace.getChildAt(cellInfo.screen); 730 int[] spans = layout.rectToCell(appWidgetInfo.minWidth, appWidgetInfo.minHeight); 731 732 // Try finding open space on Launcher screen 733 final int[] xy = mCellCoordinates; 734 if (!findSlot(cellInfo, xy, spans[0], spans[1])) { 735 if (appWidgetId != -1) mAppWidgetHost.deleteAppWidgetId(appWidgetId); 736 return; 737 } 738 739 // Build Launcher-specific widget info and save to database 740 LauncherAppWidgetInfo launcherInfo = new LauncherAppWidgetInfo(appWidgetId); 741 launcherInfo.spanX = spans[0]; 742 launcherInfo.spanY = spans[1]; 743 744 LauncherModel.addItemToDatabase(this, launcherInfo, 745 LauncherSettings.Favorites.CONTAINER_DESKTOP, 746 mWorkspace.getCurrentScreen(), xy[0], xy[1], false); 747 748 if (!mRestoring) { 749 mDesktopItems.add(launcherInfo); 750 751 // Perform actual inflation because we're live 752 launcherInfo.hostView = mAppWidgetHost.createView(this, appWidgetId, appWidgetInfo); 753 754 launcherInfo.hostView.setAppWidget(appWidgetId, appWidgetInfo); 755 launcherInfo.hostView.setTag(launcherInfo); 756 757 mWorkspace.addInCurrentScreen(launcherInfo.hostView, xy[0], xy[1], 758 launcherInfo.spanX, launcherInfo.spanY, isWorkspaceLocked()); 759 } 760 } 761 762 public void removeAppWidget(LauncherAppWidgetInfo launcherInfo) { 763 mDesktopItems.remove(launcherInfo); 764 launcherInfo.hostView = null; 765 } 766 767 public LauncherAppWidgetHost getAppWidgetHost() { 768 return mAppWidgetHost; 769 } 770 771 static ApplicationInfo addShortcut(Context context, Intent data, 772 CellLayout.CellInfo cellInfo, boolean notify) { 773 774 final ApplicationInfo info = infoFromShortcutIntent(context, data); 775 LauncherModel.addItemToDatabase(context, info, LauncherSettings.Favorites.CONTAINER_DESKTOP, 776 cellInfo.screen, cellInfo.cellX, cellInfo.cellY, notify); 777 778 return info; 779 } 780 781 private static ApplicationInfo infoFromShortcutIntent(Context context, Intent data) { 782 Intent intent = data.getParcelableExtra(Intent.EXTRA_SHORTCUT_INTENT); 783 String name = data.getStringExtra(Intent.EXTRA_SHORTCUT_NAME); 784 Parcelable bitmap = data.getParcelableExtra(Intent.EXTRA_SHORTCUT_ICON); 785 786 Drawable icon = null; 787 boolean filtered = false; 788 boolean customIcon = false; 789 ShortcutIconResource iconResource = null; 790 791 if (bitmap != null && bitmap instanceof Bitmap) { 792 icon = new FastBitmapDrawable(Utilities.createBitmapThumbnail((Bitmap) bitmap, context)); 793 filtered = true; 794 customIcon = true; 795 } else { 796 Parcelable extra = data.getParcelableExtra(Intent.EXTRA_SHORTCUT_ICON_RESOURCE); 797 if (extra != null && extra instanceof ShortcutIconResource) { 798 try { 799 iconResource = (ShortcutIconResource) extra; 800 final PackageManager packageManager = context.getPackageManager(); 801 Resources resources = packageManager.getResourcesForApplication( 802 iconResource.packageName); 803 final int id = resources.getIdentifier(iconResource.resourceName, null, null); 804 icon = resources.getDrawable(id); 805 } catch (Exception e) { 806 Log.w(TAG, "Could not load shortcut icon: " + extra); 807 } 808 } 809 } 810 811 if (icon == null) { 812 icon = context.getPackageManager().getDefaultActivityIcon(); 813 } 814 815 final ApplicationInfo info = new ApplicationInfo(); 816 info.icon = icon; 817 info.filtered = filtered; 818 info.title = name; 819 info.intent = intent; 820 info.customIcon = customIcon; 821 info.iconResource = iconResource; 822 823 return info; 824 } 825 826 void closeSystemDialogs() { 827 getWindow().closeAllPanels(); 828 829 try { 830 dismissDialog(DIALOG_CREATE_SHORTCUT); 831 // Unlock the workspace if the dialog was showing 832 } catch (Exception e) { 833 // An exception is thrown if the dialog is not visible, which is fine 834 } 835 836 try { 837 dismissDialog(DIALOG_RENAME_FOLDER); 838 // Unlock the workspace if the dialog was showing 839 } catch (Exception e) { 840 // An exception is thrown if the dialog is not visible, which is fine 841 } 842 843 // Whatever we were doing is hereby canceled. 844 mWaitingForResult = false; 845 } 846 847 @Override 848 protected void onNewIntent(Intent intent) { 849 super.onNewIntent(intent); 850 851 // Close the menu 852 if (Intent.ACTION_MAIN.equals(intent.getAction())) { 853 // also will cancel mWaitingForResult. 854 closeSystemDialogs(); 855 856 boolean alreadyOnHome = ((intent.getFlags() & Intent.FLAG_ACTIVITY_BROUGHT_TO_FRONT) 857 != Intent.FLAG_ACTIVITY_BROUGHT_TO_FRONT); 858 boolean allAppsVisible = isAllAppsVisible(); 859 if (!mWorkspace.isDefaultScreenShowing()) { 860 mWorkspace.moveToDefaultScreen(alreadyOnHome && !allAppsVisible); 861 } 862 closeAllApps(alreadyOnHome && allAppsVisible); 863 864 final View v = getWindow().peekDecorView(); 865 if (v != null && v.getWindowToken() != null) { 866 InputMethodManager imm = (InputMethodManager)getSystemService( 867 INPUT_METHOD_SERVICE); 868 imm.hideSoftInputFromWindow(v.getWindowToken(), 0); 869 } 870 } 871 } 872 873 @Override 874 protected void onRestoreInstanceState(Bundle savedInstanceState) { 875 // Do not call super here 876 mSavedInstanceState = savedInstanceState; 877 } 878 879 @Override 880 protected void onSaveInstanceState(Bundle outState) { 881 outState.putInt(RUNTIME_STATE_CURRENT_SCREEN, mWorkspace.getCurrentScreen()); 882 883 final ArrayList<Folder> folders = mWorkspace.getOpenFolders(); 884 if (folders.size() > 0) { 885 final int count = folders.size(); 886 long[] ids = new long[count]; 887 for (int i = 0; i < count; i++) { 888 final FolderInfo info = folders.get(i).getInfo(); 889 ids[i] = info.id; 890 } 891 outState.putLongArray(RUNTIME_STATE_USER_FOLDERS, ids); 892 } else { 893 super.onSaveInstanceState(outState); 894 } 895 896 // TODO should not do this if the drawer is currently closing. 897 if (isAllAppsVisible()) { 898 outState.putBoolean(RUNTIME_STATE_ALL_APPS_FOLDER, true); 899 } 900 901 if (mAddItemCellInfo != null && mAddItemCellInfo.valid && mWaitingForResult) { 902 final CellLayout.CellInfo addItemCellInfo = mAddItemCellInfo; 903 final CellLayout layout = (CellLayout) mWorkspace.getChildAt(addItemCellInfo.screen); 904 905 outState.putInt(RUNTIME_STATE_PENDING_ADD_SCREEN, addItemCellInfo.screen); 906 outState.putInt(RUNTIME_STATE_PENDING_ADD_CELL_X, addItemCellInfo.cellX); 907 outState.putInt(RUNTIME_STATE_PENDING_ADD_CELL_Y, addItemCellInfo.cellY); 908 outState.putInt(RUNTIME_STATE_PENDING_ADD_SPAN_X, addItemCellInfo.spanX); 909 outState.putInt(RUNTIME_STATE_PENDING_ADD_SPAN_Y, addItemCellInfo.spanY); 910 outState.putInt(RUNTIME_STATE_PENDING_ADD_COUNT_X, layout.getCountX()); 911 outState.putInt(RUNTIME_STATE_PENDING_ADD_COUNT_Y, layout.getCountY()); 912 outState.putBooleanArray(RUNTIME_STATE_PENDING_ADD_OCCUPIED_CELLS, 913 layout.getOccupiedCells()); 914 } 915 916 if (mFolderInfo != null && mWaitingForResult) { 917 outState.putBoolean(RUNTIME_STATE_PENDING_FOLDER_RENAME, true); 918 outState.putLong(RUNTIME_STATE_PENDING_FOLDER_RENAME_ID, mFolderInfo.id); 919 } 920 } 921 922 @Override 923 public void onDestroy() { 924 super.onDestroy(); 925 926 try { 927 mAppWidgetHost.stopListening(); 928 } catch (NullPointerException ex) { 929 Log.w(TAG, "problem while stopping AppWidgetHost during Launcher destruction", ex); 930 } 931 932 TextKeyListener.getInstance().release(); 933 934 mModel.stopLoader(); 935 936 unbindDesktopItems(); 937 AppInfoCache.unbindDrawables(); 938 939 getContentResolver().unregisterContentObserver(mWidgetObserver); 940 941 dismissPreview(mPreviousView); 942 dismissPreview(mNextView); 943 944 unregisterReceiver(mCloseSystemDialogsReceiver); 945 } 946 947 @Override 948 public void startActivityForResult(Intent intent, int requestCode) { 949 if (requestCode >= 0) mWaitingForResult = true; 950 super.startActivityForResult(intent, requestCode); 951 } 952 953 @Override 954 public void startSearch(String initialQuery, boolean selectInitialQuery, 955 Bundle appSearchData, boolean globalSearch) { 956 957 closeAllApps(true); 958 959 if (initialQuery == null) { 960 // Use any text typed in the launcher as the initial query 961 initialQuery = getTypedText(); 962 clearTypedText(); 963 } 964 if (appSearchData == null) { 965 appSearchData = new Bundle(); 966 appSearchData.putString(SearchManager.SOURCE, "launcher-search"); 967 } 968 969 final SearchManager searchManager = 970 (SearchManager) getSystemService(Context.SEARCH_SERVICE); 971 searchManager.startSearch(initialQuery, selectInitialQuery, getComponentName(), 972 appSearchData, globalSearch); 973 } 974 975 @Override 976 public boolean onCreateOptionsMenu(Menu menu) { 977 if (isWorkspaceLocked()) { 978 return false; 979 } 980 981 super.onCreateOptionsMenu(menu); 982 983 menu.add(MENU_GROUP_ADD, MENU_ADD, 0, R.string.menu_add) 984 .setIcon(android.R.drawable.ic_menu_add) 985 .setAlphabeticShortcut('A'); 986 menu.add(MENU_GROUP_WALLPAPER, MENU_WALLPAPER_SETTINGS, 0, R.string.menu_wallpaper) 987 .setIcon(android.R.drawable.ic_menu_gallery) 988 .setAlphabeticShortcut('W'); 989 menu.add(0, MENU_SEARCH, 0, R.string.menu_search) 990 .setIcon(android.R.drawable.ic_search_category_default) 991 .setAlphabeticShortcut(SearchManager.MENU_KEY); 992 menu.add(0, MENU_NOTIFICATIONS, 0, R.string.menu_notifications) 993 .setIcon(com.android.internal.R.drawable.ic_menu_notifications) 994 .setAlphabeticShortcut('N'); 995 996 final Intent settings = new Intent(android.provider.Settings.ACTION_SETTINGS); 997 settings.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK | 998 Intent.FLAG_ACTIVITY_RESET_TASK_IF_NEEDED); 999 1000 menu.add(0, MENU_SETTINGS, 0, R.string.menu_settings) 1001 .setIcon(android.R.drawable.ic_menu_preferences).setAlphabeticShortcut('P') 1002 .setIntent(settings); 1003 1004 return true; 1005 } 1006 1007 @Override 1008 public boolean onPrepareOptionsMenu(Menu menu) { 1009 super.onPrepareOptionsMenu(menu); 1010 1011 // If all apps is animating, don't show the menu, because we don't know 1012 // which one to show. 1013 if (mAllAppsGrid.isVisible() && !mAllAppsGrid.isOpaque()) { 1014 return false; 1015 } 1016 1017 // Only show the add and wallpaper options when we're not in all apps. 1018 boolean visible = !mAllAppsGrid.isOpaque(); 1019 menu.setGroupVisible(MENU_GROUP_ADD, visible); 1020 menu.setGroupVisible(MENU_GROUP_WALLPAPER, visible); 1021 1022 // Disable add if the workspace is full. 1023 if (visible) { 1024 mMenuAddInfo = mWorkspace.findAllVacantCells(null); 1025 menu.setGroupEnabled(MENU_GROUP_ADD, mMenuAddInfo != null && mMenuAddInfo.valid); 1026 } 1027 1028 return true; 1029 } 1030 1031 @Override 1032 public boolean onOptionsItemSelected(MenuItem item) { 1033 switch (item.getItemId()) { 1034 case MENU_ADD: 1035 addItems(); 1036 return true; 1037 case MENU_WALLPAPER_SETTINGS: 1038 startWallpaper(); 1039 return true; 1040 case MENU_SEARCH: 1041 onSearchRequested(); 1042 return true; 1043 case MENU_NOTIFICATIONS: 1044 showNotifications(); 1045 return true; 1046 } 1047 1048 return super.onOptionsItemSelected(item); 1049 } 1050 1051 /** 1052 * Indicates that we want global search for this activity by setting the globalSearch 1053 * argument for {@link #startSearch} to true. 1054 */ 1055 1056 @Override 1057 public boolean onSearchRequested() { 1058 startSearch(null, false, null, true); 1059 return true; 1060 } 1061 1062 public boolean isWorkspaceLocked() { 1063 return mWorkspaceLoading || mWaitingForResult; 1064 } 1065 1066 private void addItems() { 1067 closeAllApps(true); 1068 showAddDialog(mMenuAddInfo); 1069 } 1070 1071 void addAppWidget(Intent data) { 1072 // TODO: catch bad widget exception when sent 1073 int appWidgetId = data.getIntExtra(AppWidgetManager.EXTRA_APPWIDGET_ID, -1); 1074 AppWidgetProviderInfo appWidget = mAppWidgetManager.getAppWidgetInfo(appWidgetId); 1075 1076 if (appWidget.configure != null) { 1077 // Launch over to configure widget, if needed 1078 Intent intent = new Intent(AppWidgetManager.ACTION_APPWIDGET_CONFIGURE); 1079 intent.setComponent(appWidget.configure); 1080 intent.putExtra(AppWidgetManager.EXTRA_APPWIDGET_ID, appWidgetId); 1081 1082 startActivityForResult(intent, REQUEST_CREATE_APPWIDGET); 1083 } else { 1084 // Otherwise just add it 1085 onActivityResult(REQUEST_CREATE_APPWIDGET, Activity.RESULT_OK, data); 1086 } 1087 } 1088 1089 void processShortcut(Intent intent, int requestCodeApplication, int requestCodeShortcut) { 1090 // Handle case where user selected "Applications" 1091 String applicationName = getResources().getString(R.string.group_applications); 1092 String shortcutName = intent.getStringExtra(Intent.EXTRA_SHORTCUT_NAME); 1093 1094 if (applicationName != null && applicationName.equals(shortcutName)) { 1095 Intent mainIntent = new Intent(Intent.ACTION_MAIN, null); 1096 mainIntent.addCategory(Intent.CATEGORY_LAUNCHER); 1097 1098 Intent pickIntent = new Intent(Intent.ACTION_PICK_ACTIVITY); 1099 pickIntent.putExtra(Intent.EXTRA_INTENT, mainIntent); 1100 startActivityForResult(pickIntent, requestCodeApplication); 1101 } else { 1102 startActivityForResult(intent, requestCodeShortcut); 1103 } 1104 } 1105 1106 void addLiveFolder(Intent intent) { 1107 // Handle case where user selected "Folder" 1108 String folderName = getResources().getString(R.string.group_folder); 1109 String shortcutName = intent.getStringExtra(Intent.EXTRA_SHORTCUT_NAME); 1110 1111 if (folderName != null && folderName.equals(shortcutName)) { 1112 addFolder(); 1113 } else { 1114 startActivityForResult(intent, REQUEST_CREATE_LIVE_FOLDER); 1115 } 1116 } 1117 1118 void addFolder() { 1119 UserFolderInfo folderInfo = new UserFolderInfo(); 1120 folderInfo.title = getText(R.string.folder_name); 1121 1122 CellLayout.CellInfo cellInfo = mAddItemCellInfo; 1123 cellInfo.screen = mWorkspace.getCurrentScreen(); 1124 if (!findSingleSlot(cellInfo)) return; 1125 1126 // Update the model 1127 LauncherModel.addItemToDatabase(this, folderInfo, 1128 LauncherSettings.Favorites.CONTAINER_DESKTOP, 1129 mWorkspace.getCurrentScreen(), cellInfo.cellX, cellInfo.cellY, false); 1130 mFolders.put(folderInfo.id, folderInfo); 1131 1132 // Create the view 1133 FolderIcon newFolder = FolderIcon.fromXml(R.layout.folder_icon, this, 1134 (ViewGroup) mWorkspace.getChildAt(mWorkspace.getCurrentScreen()), folderInfo); 1135 mWorkspace.addInCurrentScreen(newFolder, 1136 cellInfo.cellX, cellInfo.cellY, 1, 1, isWorkspaceLocked()); 1137 } 1138 1139 void removeFolder(FolderInfo folder) { 1140 mFolders.remove(folder.id); 1141 } 1142 1143 private void completeAddLiveFolder(Intent data, CellLayout.CellInfo cellInfo) { 1144 cellInfo.screen = mWorkspace.getCurrentScreen(); 1145 if (!findSingleSlot(cellInfo)) return; 1146 1147 final LiveFolderInfo info = addLiveFolder(this, data, cellInfo, false); 1148 1149 if (!mRestoring) { 1150 final View view = LiveFolderIcon.fromXml(R.layout.live_folder_icon, this, 1151 (ViewGroup) mWorkspace.getChildAt(mWorkspace.getCurrentScreen()), info); 1152 mWorkspace.addInCurrentScreen(view, cellInfo.cellX, cellInfo.cellY, 1, 1, 1153 isWorkspaceLocked()); 1154 } 1155 } 1156 1157 static LiveFolderInfo addLiveFolder(Context context, Intent data, 1158 CellLayout.CellInfo cellInfo, boolean notify) { 1159 1160 Intent baseIntent = data.getParcelableExtra(LiveFolders.EXTRA_LIVE_FOLDER_BASE_INTENT); 1161 String name = data.getStringExtra(LiveFolders.EXTRA_LIVE_FOLDER_NAME); 1162 1163 Drawable icon = null; 1164 boolean filtered = false; 1165 Intent.ShortcutIconResource iconResource = null; 1166 1167 Parcelable extra = data.getParcelableExtra(LiveFolders.EXTRA_LIVE_FOLDER_ICON); 1168 if (extra != null && extra instanceof Intent.ShortcutIconResource) { 1169 try { 1170 iconResource = (Intent.ShortcutIconResource) extra; 1171 final PackageManager packageManager = context.getPackageManager(); 1172 Resources resources = packageManager.getResourcesForApplication( 1173 iconResource.packageName); 1174 final int id = resources.getIdentifier(iconResource.resourceName, null, null); 1175 icon = resources.getDrawable(id); 1176 } catch (Exception e) { 1177 Log.w(TAG, "Could not load live folder icon: " + extra); 1178 } 1179 } 1180 1181 if (icon == null) { 1182 icon = context.getResources().getDrawable(R.drawable.ic_launcher_folder); 1183 } 1184 1185 final LiveFolderInfo info = new LiveFolderInfo(); 1186 info.icon = icon; 1187 info.filtered = filtered; 1188 info.title = name; 1189 info.iconResource = iconResource; 1190 info.uri = data.getData(); 1191 info.baseIntent = baseIntent; 1192 info.displayMode = data.getIntExtra(LiveFolders.EXTRA_LIVE_FOLDER_DISPLAY_MODE, 1193 LiveFolders.DISPLAY_MODE_GRID); 1194 1195 LauncherModel.addItemToDatabase(context, info, LauncherSettings.Favorites.CONTAINER_DESKTOP, 1196 cellInfo.screen, cellInfo.cellX, cellInfo.cellY, notify); 1197 mFolders.put(info.id, info); 1198 1199 return info; 1200 } 1201 1202 private boolean findSingleSlot(CellLayout.CellInfo cellInfo) { 1203 final int[] xy = new int[2]; 1204 if (findSlot(cellInfo, xy, 1, 1)) { 1205 cellInfo.cellX = xy[0]; 1206 cellInfo.cellY = xy[1]; 1207 return true; 1208 } 1209 return false; 1210 } 1211 1212 private boolean findSlot(CellLayout.CellInfo cellInfo, int[] xy, int spanX, int spanY) { 1213 if (!cellInfo.findCellForSpan(xy, spanX, spanY)) { 1214 boolean[] occupied = mSavedState != null ? 1215 mSavedState.getBooleanArray(RUNTIME_STATE_PENDING_ADD_OCCUPIED_CELLS) : null; 1216 cellInfo = mWorkspace.findAllVacantCells(occupied); 1217 if (!cellInfo.findCellForSpan(xy, spanX, spanY)) { 1218 Toast.makeText(this, getString(R.string.out_of_space), Toast.LENGTH_SHORT).show(); 1219 return false; 1220 } 1221 } 1222 return true; 1223 } 1224 1225 private void showNotifications() { 1226 final StatusBarManager statusBar = (StatusBarManager) getSystemService(STATUS_BAR_SERVICE); 1227 if (statusBar != null) { 1228 statusBar.expand(); 1229 } 1230 } 1231 1232 private void startWallpaper() { 1233 closeAllApps(true); 1234 final Intent pickWallpaper = new Intent(Intent.ACTION_SET_WALLPAPER); 1235 Intent chooser = Intent.createChooser(pickWallpaper, 1236 getText(R.string.chooser_wallpaper)); 1237 // NOTE: Adds a configure option to the chooser if the wallpaper supports it 1238 // Removed in Eclair MR1 1239// WallpaperManager wm = (WallpaperManager) 1240// getSystemService(Context.WALLPAPER_SERVICE); 1241// WallpaperInfo wi = wm.getWallpaperInfo(); 1242// if (wi != null && wi.getSettingsActivity() != null) { 1243// LabeledIntent li = new LabeledIntent(getPackageName(), 1244// R.string.configure_wallpaper, 0); 1245// li.setClassName(wi.getPackageName(), wi.getSettingsActivity()); 1246// chooser.putExtra(Intent.EXTRA_INITIAL_INTENTS, new Intent[] { li }); 1247// } 1248 startActivityForResult(chooser, REQUEST_PICK_WALLPAPER); 1249 } 1250 1251 /** 1252 * Registers various content observers. The current implementation registers 1253 * only a favorites observer to keep track of the favorites applications. 1254 */ 1255 private void registerContentObservers() { 1256 ContentResolver resolver = getContentResolver(); 1257 resolver.registerContentObserver(LauncherProvider.CONTENT_APPWIDGET_RESET_URI, 1258 true, mWidgetObserver); 1259 } 1260 1261 @Override 1262 public boolean dispatchKeyEvent(KeyEvent event) { 1263 if (event.getAction() == KeyEvent.ACTION_DOWN) { 1264 switch (event.getKeyCode()) { 1265 case KeyEvent.KEYCODE_HOME: 1266 return true; 1267 case KeyEvent.KEYCODE_VOLUME_DOWN: 1268 if (SystemProperties.getInt("debug.launcher2.dumpstate", 0) != 0) { 1269 dumpState(); 1270 return true; 1271 } 1272 break; 1273 } 1274 } else if (event.getAction() == KeyEvent.ACTION_UP) { 1275 switch (event.getKeyCode()) { 1276 case KeyEvent.KEYCODE_HOME: 1277 return true; 1278 } 1279 } 1280 1281 return super.dispatchKeyEvent(event); 1282 } 1283 1284 @Override 1285 public void onBackPressed() { 1286 if (isAllAppsVisible()) { 1287 closeAllApps(true); 1288 } else { 1289 closeFolder(); 1290 } 1291 dismissPreview(mPreviousView); 1292 dismissPreview(mNextView); 1293 } 1294 1295 private void closeFolder() { 1296 Folder folder = mWorkspace.getOpenFolder(); 1297 if (folder != null) { 1298 closeFolder(folder); 1299 } 1300 } 1301 1302 void closeFolder(Folder folder) { 1303 folder.getInfo().opened = false; 1304 ViewGroup parent = (ViewGroup) folder.getParent(); 1305 if (parent != null) { 1306 parent.removeView(folder); 1307 if (folder instanceof DropTarget) { 1308 // Live folders aren't DropTargets. 1309 mDragController.removeDropTarget((DropTarget)folder); 1310 } 1311 } 1312 folder.onClose(); 1313 } 1314 1315 /** 1316 * Re-listen when widgets are reset. 1317 */ 1318 private void onAppWidgetReset() { 1319 mAppWidgetHost.startListening(); 1320 } 1321 1322 /** 1323 * Go through the and disconnect any of the callbacks in the drawables and the views or we 1324 * leak the previous Home screen on orientation change. 1325 */ 1326 private void unbindDesktopItems() { 1327 for (ItemInfo item: mDesktopItems) { 1328 item.unbind(); 1329 } 1330 } 1331 1332 /** 1333 * Launches the intent referred by the clicked shortcut. 1334 * 1335 * @param v The view representing the clicked shortcut. 1336 */ 1337 public void onClick(View v) { 1338 Object tag = v.getTag(); 1339 if (tag instanceof ApplicationInfo) { 1340 // Open shortcut 1341 final Intent intent = ((ApplicationInfo) tag).intent; 1342 int[] pos = new int[2]; 1343 v.getLocationOnScreen(pos); 1344 intent.setSourceBounds( 1345 new Rect(pos[0], pos[1], pos[0]+v.getWidth(), pos[1]+v.getHeight())); 1346 startActivitySafely(intent); 1347 } else if (tag instanceof FolderInfo) { 1348 handleFolderClick((FolderInfo) tag); 1349 } else if (v == mHandleView) { 1350 if (isAllAppsVisible()) { 1351 closeAllApps(true); 1352 } else { 1353 showAllApps(true); 1354 } 1355 } 1356 } 1357 1358 void startActivitySafely(Intent intent) { 1359 intent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK); 1360 try { 1361 startActivity(intent); 1362 } catch (ActivityNotFoundException e) { 1363 Toast.makeText(this, R.string.activity_not_found, Toast.LENGTH_SHORT).show(); 1364 } catch (SecurityException e) { 1365 Toast.makeText(this, R.string.activity_not_found, Toast.LENGTH_SHORT).show(); 1366 Log.e(TAG, "Launcher does not have the permission to launch " + intent + 1367 ". Make sure to create a MAIN intent-filter for the corresponding activity " + 1368 "or use the exported attribute for this activity.", e); 1369 } 1370 } 1371 1372 private void handleFolderClick(FolderInfo folderInfo) { 1373 if (!folderInfo.opened) { 1374 // Close any open folder 1375 closeFolder(); 1376 // Open the requested folder 1377 openFolder(folderInfo); 1378 } else { 1379 // Find the open folder... 1380 Folder openFolder = mWorkspace.getFolderForTag(folderInfo); 1381 int folderScreen; 1382 if (openFolder != null) { 1383 folderScreen = mWorkspace.getScreenForView(openFolder); 1384 // .. and close it 1385 closeFolder(openFolder); 1386 if (folderScreen != mWorkspace.getCurrentScreen()) { 1387 // Close any folder open on the current screen 1388 closeFolder(); 1389 // Pull the folder onto this screen 1390 openFolder(folderInfo); 1391 } 1392 } 1393 } 1394 } 1395 1396 /** 1397 * Opens the user fodler described by the specified tag. The opening of the folder 1398 * is animated relative to the specified View. If the View is null, no animation 1399 * is played. 1400 * 1401 * @param folderInfo The FolderInfo describing the folder to open. 1402 */ 1403 private void openFolder(FolderInfo folderInfo) { 1404 Folder openFolder; 1405 1406 if (folderInfo instanceof UserFolderInfo) { 1407 openFolder = UserFolder.fromXml(this); 1408 } else if (folderInfo instanceof LiveFolderInfo) { 1409 openFolder = com.android.launcher2.LiveFolder.fromXml(this, folderInfo); 1410 } else { 1411 return; 1412 } 1413 1414 openFolder.setDragController(mDragController); 1415 openFolder.setLauncher(this); 1416 1417 openFolder.bind(folderInfo); 1418 folderInfo.opened = true; 1419 1420 mWorkspace.addInScreen(openFolder, folderInfo.screen, 0, 0, 4, 4); 1421 openFolder.onOpen(); 1422 } 1423 1424 public boolean onLongClick(View v) { 1425 switch (v.getId()) { 1426 case R.id.previous_screen: 1427 if (!isAllAppsVisible()) { 1428 mWorkspace.performHapticFeedback(HapticFeedbackConstants.LONG_PRESS, 1429 HapticFeedbackConstants.FLAG_IGNORE_VIEW_SETTING); 1430 showPreviews(v); 1431 } 1432 return true; 1433 case R.id.next_screen: 1434 if (!isAllAppsVisible()) { 1435 mWorkspace.performHapticFeedback(HapticFeedbackConstants.LONG_PRESS, 1436 HapticFeedbackConstants.FLAG_IGNORE_VIEW_SETTING); 1437 showPreviews(v); 1438 } 1439 return true; 1440 case R.id.all_apps_button: 1441 if (!isAllAppsVisible()) { 1442 mWorkspace.performHapticFeedback(HapticFeedbackConstants.LONG_PRESS, 1443 HapticFeedbackConstants.FLAG_IGNORE_VIEW_SETTING); 1444 showPreviews(v); 1445 } 1446 return true; 1447 } 1448 1449 if (isWorkspaceLocked()) { 1450 return false; 1451 } 1452 1453 if (!(v instanceof CellLayout)) { 1454 v = (View) v.getParent(); 1455 } 1456 1457 CellLayout.CellInfo cellInfo = (CellLayout.CellInfo) v.getTag(); 1458 1459 // This happens when long clicking an item with the dpad/trackball 1460 if (cellInfo == null) { 1461 return true; 1462 } 1463 1464 if (mWorkspace.allowLongPress()) { 1465 if (cellInfo.cell == null) { 1466 if (cellInfo.valid) { 1467 // User long pressed on empty space 1468 mWorkspace.setAllowLongPress(false); 1469 showAddDialog(cellInfo); 1470 } 1471 } else { 1472 if (!(cellInfo.cell instanceof Folder)) { 1473 // User long pressed on an item 1474 mWorkspace.performHapticFeedback(HapticFeedbackConstants.LONG_PRESS, 1475 HapticFeedbackConstants.FLAG_IGNORE_VIEW_SETTING); 1476 mWorkspace.startDrag(cellInfo); 1477 } 1478 } 1479 } 1480 return true; 1481 } 1482 1483 @SuppressWarnings({"unchecked"}) 1484 private void dismissPreview(final View v) { 1485 final PopupWindow window = (PopupWindow) v.getTag(); 1486 if (window != null) { 1487 window.setOnDismissListener(new PopupWindow.OnDismissListener() { 1488 public void onDismiss() { 1489 ViewGroup group = (ViewGroup) v.getTag(R.id.workspace); 1490 int count = group.getChildCount(); 1491 for (int i = 0; i < count; i++) { 1492 ((ImageView) group.getChildAt(i)).setImageDrawable(null); 1493 } 1494 ArrayList<Bitmap> bitmaps = (ArrayList<Bitmap>) v.getTag(R.id.icon); 1495 for (Bitmap bitmap : bitmaps) bitmap.recycle(); 1496 1497 v.setTag(R.id.workspace, null); 1498 v.setTag(R.id.icon, null); 1499 window.setOnDismissListener(null); 1500 } 1501 }); 1502 window.dismiss(); 1503 } 1504 v.setTag(null); 1505 } 1506 1507 private void showPreviews(View anchor) { 1508 showPreviews(anchor, 0, mWorkspace.getChildCount()); 1509 } 1510 1511 private void showPreviews(final View anchor, int start, int end) { 1512 final Resources resources = getResources(); 1513 final Workspace workspace = mWorkspace; 1514 1515 CellLayout cell = ((CellLayout) workspace.getChildAt(start)); 1516 1517 float max = workspace.getChildCount(); 1518 1519 final Rect r = new Rect(); 1520 resources.getDrawable(R.drawable.preview_background).getPadding(r); 1521 int extraW = (int) ((r.left + r.right) * max); 1522 int extraH = r.top + r.bottom; 1523 1524 int aW = cell.getWidth() - extraW; 1525 float w = aW / max; 1526 1527 int width = cell.getWidth(); 1528 int height = cell.getHeight(); 1529 int x = cell.getLeftPadding(); 1530 int y = cell.getTopPadding(); 1531 width -= (x + cell.getRightPadding()); 1532 height -= (y + cell.getBottomPadding()); 1533 1534 float scale = w / width; 1535 1536 int count = end - start; 1537 1538 final float sWidth = width * scale; 1539 float sHeight = height * scale; 1540 1541 LinearLayout preview = new LinearLayout(this); 1542 1543 PreviewTouchHandler handler = new PreviewTouchHandler(anchor); 1544 ArrayList<Bitmap> bitmaps = new ArrayList<Bitmap>(count); 1545 1546 for (int i = start; i < end; i++) { 1547 ImageView image = new ImageView(this); 1548 cell = (CellLayout) workspace.getChildAt(i); 1549 1550 final Bitmap bitmap = Bitmap.createBitmap((int) sWidth, (int) sHeight, 1551 Bitmap.Config.ARGB_8888); 1552 1553 final Canvas c = new Canvas(bitmap); 1554 c.scale(scale, scale); 1555 c.translate(-cell.getLeftPadding(), -cell.getTopPadding()); 1556 cell.dispatchDraw(c); 1557 1558 image.setBackgroundDrawable(resources.getDrawable(R.drawable.preview_background)); 1559 image.setImageBitmap(bitmap); 1560 image.setTag(i); 1561 image.setOnClickListener(handler); 1562 image.setOnFocusChangeListener(handler); 1563 image.setFocusable(true); 1564 if (i == mWorkspace.getCurrentScreen()) image.requestFocus(); 1565 1566 preview.addView(image, 1567 LinearLayout.LayoutParams.WRAP_CONTENT, LinearLayout.LayoutParams.WRAP_CONTENT); 1568 1569 bitmaps.add(bitmap); 1570 } 1571 1572 final PopupWindow p = new PopupWindow(this); 1573 p.setContentView(preview); 1574 p.setWidth((int) (sWidth * count + extraW)); 1575 p.setHeight((int) (sHeight + extraH)); 1576 p.setAnimationStyle(R.style.AnimationPreview); 1577 p.setOutsideTouchable(true); 1578 p.setFocusable(true); 1579 p.setBackgroundDrawable(new ColorDrawable(0)); 1580 p.showAsDropDown(anchor, 0, 0); 1581 1582 p.setOnDismissListener(new PopupWindow.OnDismissListener() { 1583 public void onDismiss() { 1584 dismissPreview(anchor); 1585 } 1586 }); 1587 1588 anchor.setTag(p); 1589 anchor.setTag(R.id.workspace, preview); 1590 anchor.setTag(R.id.icon, bitmaps); 1591 } 1592 1593 class PreviewTouchHandler implements View.OnClickListener, Runnable, View.OnFocusChangeListener { 1594 private final View mAnchor; 1595 1596 public PreviewTouchHandler(View anchor) { 1597 mAnchor = anchor; 1598 } 1599 1600 public void onClick(View v) { 1601 mWorkspace.snapToScreen((Integer) v.getTag()); 1602 v.post(this); 1603 } 1604 1605 public void run() { 1606 dismissPreview(mAnchor); 1607 } 1608 1609 public void onFocusChange(View v, boolean hasFocus) { 1610 if (hasFocus) { 1611 mWorkspace.snapToScreen((Integer) v.getTag()); 1612 } 1613 } 1614 } 1615 1616 Workspace getWorkspace() { 1617 return mWorkspace; 1618 } 1619 1620 @Override 1621 protected Dialog onCreateDialog(int id) { 1622 switch (id) { 1623 case DIALOG_CREATE_SHORTCUT: 1624 return new CreateShortcut().createDialog(); 1625 case DIALOG_RENAME_FOLDER: 1626 return new RenameFolder().createDialog(); 1627 } 1628 1629 return super.onCreateDialog(id); 1630 } 1631 1632 @Override 1633 protected void onPrepareDialog(int id, Dialog dialog) { 1634 switch (id) { 1635 case DIALOG_CREATE_SHORTCUT: 1636 break; 1637 case DIALOG_RENAME_FOLDER: 1638 if (mFolderInfo != null) { 1639 EditText input = (EditText) dialog.findViewById(R.id.folder_name); 1640 final CharSequence text = mFolderInfo.title; 1641 input.setText(text); 1642 input.setSelection(0, text.length()); 1643 } 1644 break; 1645 } 1646 } 1647 1648 void showRenameDialog(FolderInfo info) { 1649 mFolderInfo = info; 1650 mWaitingForResult = true; 1651 showDialog(DIALOG_RENAME_FOLDER); 1652 } 1653 1654 private void showAddDialog(CellLayout.CellInfo cellInfo) { 1655 mAddItemCellInfo = cellInfo; 1656 mWaitingForResult = true; 1657 showDialog(DIALOG_CREATE_SHORTCUT); 1658 } 1659 1660 private void pickShortcut(int requestCode, int title) { 1661 Bundle bundle = new Bundle(); 1662 1663 ArrayList<String> shortcutNames = new ArrayList<String>(); 1664 shortcutNames.add(getString(R.string.group_applications)); 1665 bundle.putStringArrayList(Intent.EXTRA_SHORTCUT_NAME, shortcutNames); 1666 1667 ArrayList<ShortcutIconResource> shortcutIcons = new ArrayList<ShortcutIconResource>(); 1668 shortcutIcons.add(ShortcutIconResource.fromContext(Launcher.this, 1669 R.drawable.ic_launcher_application)); 1670 bundle.putParcelableArrayList(Intent.EXTRA_SHORTCUT_ICON_RESOURCE, shortcutIcons); 1671 1672 Intent pickIntent = new Intent(Intent.ACTION_PICK_ACTIVITY); 1673 pickIntent.putExtra(Intent.EXTRA_INTENT, new Intent(Intent.ACTION_CREATE_SHORTCUT)); 1674 pickIntent.putExtra(Intent.EXTRA_TITLE, getText(title)); 1675 pickIntent.putExtras(bundle); 1676 1677 startActivityForResult(pickIntent, requestCode); 1678 } 1679 1680 private class RenameFolder { 1681 private EditText mInput; 1682 1683 Dialog createDialog() { 1684 mWaitingForResult = true; 1685 final View layout = View.inflate(Launcher.this, R.layout.rename_folder, null); 1686 mInput = (EditText) layout.findViewById(R.id.folder_name); 1687 1688 AlertDialog.Builder builder = new AlertDialog.Builder(Launcher.this); 1689 builder.setIcon(0); 1690 builder.setTitle(getString(R.string.rename_folder_title)); 1691 builder.setCancelable(true); 1692 builder.setOnCancelListener(new Dialog.OnCancelListener() { 1693 public void onCancel(DialogInterface dialog) { 1694 cleanup(); 1695 } 1696 }); 1697 builder.setNegativeButton(getString(R.string.cancel_action), 1698 new Dialog.OnClickListener() { 1699 public void onClick(DialogInterface dialog, int which) { 1700 cleanup(); 1701 } 1702 } 1703 ); 1704 builder.setPositiveButton(getString(R.string.rename_action), 1705 new Dialog.OnClickListener() { 1706 public void onClick(DialogInterface dialog, int which) { 1707 changeFolderName(); 1708 } 1709 } 1710 ); 1711 builder.setView(layout); 1712 1713 final AlertDialog dialog = builder.create(); 1714 dialog.setOnShowListener(new DialogInterface.OnShowListener() { 1715 public void onShow(DialogInterface dialog) { 1716 mInput.requestFocus(); 1717 InputMethodManager inputManager = (InputMethodManager) 1718 getSystemService(Context.INPUT_METHOD_SERVICE); 1719 inputManager.showSoftInput(mInput, 0); 1720 } 1721 }); 1722 1723 return dialog; 1724 } 1725 1726 private void changeFolderName() { 1727 final String name = mInput.getText().toString(); 1728 if (!TextUtils.isEmpty(name)) { 1729 // Make sure we have the right folder info 1730 mFolderInfo = mFolders.get(mFolderInfo.id); 1731 mFolderInfo.title = name; 1732 LauncherModel.updateItemInDatabase(Launcher.this, mFolderInfo); 1733 1734 if (mWorkspaceLoading) { 1735 lockAllApps(); 1736 mModel.setWorkspaceDirty(); 1737 mModel.startLoader(Launcher.this, false); 1738 } else { 1739 final FolderIcon folderIcon = (FolderIcon) 1740 mWorkspace.getViewForTag(mFolderInfo); 1741 if (folderIcon != null) { 1742 folderIcon.setText(name); 1743 getWorkspace().requestLayout(); 1744 } else { 1745 lockAllApps(); 1746 mModel.setWorkspaceDirty(); 1747 mWorkspaceLoading = true; 1748 mModel.startLoader(Launcher.this, false); 1749 } 1750 } 1751 } 1752 cleanup(); 1753 } 1754 1755 private void cleanup() { 1756 dismissDialog(DIALOG_RENAME_FOLDER); 1757 mWaitingForResult = false; 1758 mFolderInfo = null; 1759 } 1760 } 1761 1762 boolean isAllAppsVisible() { 1763 return mAllAppsGrid.isVisible(); 1764 } 1765 1766 void showAllApps(boolean animated) { 1767 mAllAppsGrid.zoom(1.0f, animated); 1768 1769 mAllAppsGrid.setFocusable(true); 1770 mAllAppsGrid.requestFocus(); 1771 1772 // TODO: fade these two too 1773 mDeleteZone.setVisibility(View.GONE); 1774 } 1775 1776 /** 1777 * Things to test when changing this code. 1778 * - Home from workspace 1779 * - from center screen 1780 * - from other screens 1781 * - Home from all apps 1782 * - from center screen 1783 * - from other screens 1784 * - Back from all apps 1785 * - from center screen 1786 * - from other screens 1787 * - Launch app from workspace and quit 1788 * - with back 1789 * - with home 1790 * - Launch app from all apps and quit 1791 * - with back 1792 * - with home 1793 * - Go to a screen that's not the default, then all 1794 * apps, and launch and app, and go back 1795 * - with back 1796 * -with home 1797 * - On workspace, long press power and go back 1798 * - with back 1799 * - with home 1800 * - On all apps, long press power and go back 1801 * - with back 1802 * - with home 1803 * - On workspace, power off 1804 * - On all apps, power off 1805 * - Launch an app and turn off the screen while in that app 1806 * - Go back with home key 1807 * - Go back with back key TODO: make this not go to workspace 1808 * - From all apps 1809 * - From workspace 1810 */ 1811 void closeAllApps(boolean animated) { 1812 if (mAllAppsGrid.isVisible()) { 1813 mAllAppsGrid.zoom(0.0f, animated); 1814 mAllAppsGrid.setFocusable(false); 1815 mWorkspace.getChildAt(mWorkspace.getCurrentScreen()).requestFocus(); 1816 } 1817 } 1818 1819 void lockAllApps() { 1820 // TODO 1821 } 1822 1823 void unlockAllApps() { 1824 // TODO 1825 } 1826 1827 /** 1828 * Displays the shortcut creation dialog and launches, if necessary, the 1829 * appropriate activity. 1830 */ 1831 private class CreateShortcut implements DialogInterface.OnClickListener, 1832 DialogInterface.OnCancelListener, DialogInterface.OnDismissListener, 1833 DialogInterface.OnShowListener { 1834 1835 private AddAdapter mAdapter; 1836 1837 Dialog createDialog() { 1838 mWaitingForResult = true; 1839 1840 mAdapter = new AddAdapter(Launcher.this); 1841 1842 final AlertDialog.Builder builder = new AlertDialog.Builder(Launcher.this); 1843 builder.setTitle(getString(R.string.menu_item_add_item)); 1844 builder.setAdapter(mAdapter, this); 1845 1846 builder.setInverseBackgroundForced(true); 1847 1848 AlertDialog dialog = builder.create(); 1849 dialog.setOnCancelListener(this); 1850 dialog.setOnDismissListener(this); 1851 dialog.setOnShowListener(this); 1852 1853 return dialog; 1854 } 1855 1856 public void onCancel(DialogInterface dialog) { 1857 mWaitingForResult = false; 1858 cleanup(); 1859 } 1860 1861 public void onDismiss(DialogInterface dialog) { 1862 } 1863 1864 private void cleanup() { 1865 try { 1866 dismissDialog(DIALOG_CREATE_SHORTCUT); 1867 } catch (Exception e) { 1868 // An exception is thrown if the dialog is not visible, which is fine 1869 } 1870 } 1871 1872 /** 1873 * Handle the action clicked in the "Add to home" dialog. 1874 */ 1875 public void onClick(DialogInterface dialog, int which) { 1876 Resources res = getResources(); 1877 cleanup(); 1878 1879 switch (which) { 1880 case AddAdapter.ITEM_SHORTCUT: { 1881 // Insert extra item to handle picking application 1882 pickShortcut(REQUEST_PICK_SHORTCUT, R.string.title_select_shortcut); 1883 break; 1884 } 1885 1886 case AddAdapter.ITEM_APPWIDGET: { 1887 int appWidgetId = Launcher.this.mAppWidgetHost.allocateAppWidgetId(); 1888 1889 Intent pickIntent = new Intent(AppWidgetManager.ACTION_APPWIDGET_PICK); 1890 pickIntent.putExtra(AppWidgetManager.EXTRA_APPWIDGET_ID, appWidgetId); 1891 // start the pick activity 1892 startActivityForResult(pickIntent, REQUEST_PICK_APPWIDGET); 1893 break; 1894 } 1895 1896 case AddAdapter.ITEM_LIVE_FOLDER: { 1897 // Insert extra item to handle inserting folder 1898 Bundle bundle = new Bundle(); 1899 1900 ArrayList<String> shortcutNames = new ArrayList<String>(); 1901 shortcutNames.add(res.getString(R.string.group_folder)); 1902 bundle.putStringArrayList(Intent.EXTRA_SHORTCUT_NAME, shortcutNames); 1903 1904 ArrayList<ShortcutIconResource> shortcutIcons = 1905 new ArrayList<ShortcutIconResource>(); 1906 shortcutIcons.add(ShortcutIconResource.fromContext(Launcher.this, 1907 R.drawable.ic_launcher_folder)); 1908 bundle.putParcelableArrayList(Intent.EXTRA_SHORTCUT_ICON_RESOURCE, shortcutIcons); 1909 1910 Intent pickIntent = new Intent(Intent.ACTION_PICK_ACTIVITY); 1911 pickIntent.putExtra(Intent.EXTRA_INTENT, 1912 new Intent(LiveFolders.ACTION_CREATE_LIVE_FOLDER)); 1913 pickIntent.putExtra(Intent.EXTRA_TITLE, 1914 getText(R.string.title_select_live_folder)); 1915 pickIntent.putExtras(bundle); 1916 1917 startActivityForResult(pickIntent, REQUEST_PICK_LIVE_FOLDER); 1918 break; 1919 } 1920 1921 case AddAdapter.ITEM_WALLPAPER: { 1922 startWallpaper(); 1923 break; 1924 } 1925 } 1926 } 1927 1928 public void onShow(DialogInterface dialog) { 1929 } 1930 } 1931 1932 /** 1933 * Receives notifications when applications are added/removed. 1934 */ 1935 private class CloseSystemDialogsIntentReceiver extends BroadcastReceiver { 1936 @Override 1937 public void onReceive(Context context, Intent intent) { 1938 closeSystemDialogs(); 1939 String reason = intent.getStringExtra("reason"); 1940 if (!"homekey".equals(reason)) { 1941 boolean animate = true; 1942 if (mPaused || "lock".equals(reason)) { 1943 animate = false; 1944 } 1945 closeAllApps(animate); 1946 } 1947 } 1948 } 1949 1950 /** 1951 * Receives notifications whenever the appwidgets are reset. 1952 */ 1953 private class AppWidgetResetObserver extends ContentObserver { 1954 public AppWidgetResetObserver() { 1955 super(new Handler()); 1956 } 1957 1958 @Override 1959 public void onChange(boolean selfChange) { 1960 onAppWidgetReset(); 1961 } 1962 } 1963 1964 /** 1965 * Implementation of the method from LauncherModel.Callbacks. 1966 */ 1967 public int getCurrentWorkspaceScreen() { 1968 return mWorkspace.getCurrentScreen(); 1969 } 1970 1971 /** 1972 * Refreshes the shortcuts shown on the workspace. 1973 * 1974 * Implementation of the method from LauncherModel.Callbacks. 1975 */ 1976 public void startBinding() { 1977 final Workspace workspace = mWorkspace; 1978 int count = workspace.getChildCount(); 1979 for (int i = 0; i < count; i++) { 1980 // Use removeAllViewsInLayout() to avoid an extra requestLayout() and invalidate(). 1981 ((ViewGroup) workspace.getChildAt(i)).removeAllViewsInLayout(); 1982 } 1983 1984 if (DEBUG_USER_INTERFACE) { 1985 android.widget.Button finishButton = new android.widget.Button(this); 1986 finishButton.setText("Finish"); 1987 workspace.addInScreen(finishButton, 1, 0, 0, 1, 1); 1988 1989 finishButton.setOnClickListener(new android.widget.Button.OnClickListener() { 1990 public void onClick(View v) { 1991 finish(); 1992 } 1993 }); 1994 } 1995 } 1996 1997 /** 1998 * Bind the items start-end from the list. 1999 * 2000 * Implementation of the method from LauncherModel.Callbacks. 2001 */ 2002 public void bindItems(ArrayList<ItemInfo> shortcuts, int start, int end) { 2003 2004 final Workspace workspace = mWorkspace; 2005 2006 for (int i=start; i<end; i++) { 2007 final ItemInfo item = shortcuts.get(i); 2008 mDesktopItems.add(item); 2009 switch (item.itemType) { 2010 case LauncherSettings.Favorites.ITEM_TYPE_APPLICATION: 2011 case LauncherSettings.Favorites.ITEM_TYPE_SHORTCUT: 2012 final View shortcut = createShortcut((ApplicationInfo) item); 2013 workspace.addInScreen(shortcut, item.screen, item.cellX, item.cellY, 1, 1, 2014 false); 2015 break; 2016 case LauncherSettings.Favorites.ITEM_TYPE_USER_FOLDER: 2017 final FolderIcon newFolder = FolderIcon.fromXml(R.layout.folder_icon, this, 2018 (ViewGroup) workspace.getChildAt(workspace.getCurrentScreen()), 2019 (UserFolderInfo) item); 2020 workspace.addInScreen(newFolder, item.screen, item.cellX, item.cellY, 1, 1, 2021 false); 2022 break; 2023 case LauncherSettings.Favorites.ITEM_TYPE_LIVE_FOLDER: 2024 final FolderIcon newLiveFolder = LiveFolderIcon.fromXml( 2025 R.layout.live_folder_icon, this, 2026 (ViewGroup) workspace.getChildAt(workspace.getCurrentScreen()), 2027 (LiveFolderInfo) item); 2028 workspace.addInScreen(newLiveFolder, item.screen, item.cellX, item.cellY, 1, 1, 2029 false); 2030 break; 2031 } 2032 } 2033 2034 workspace.requestLayout(); 2035 } 2036 2037 /** 2038 * Implementation of the method from LauncherModel.Callbacks. 2039 */ 2040 public void bindFolders(HashMap<Long, FolderInfo> folders) { 2041 mFolders.clear(); 2042 mFolders.putAll(folders); 2043 } 2044 2045 /** 2046 * Add the views for a widget to the workspace. 2047 * 2048 * Implementation of the method from LauncherModel.Callbacks. 2049 */ 2050 public void bindAppWidget(LauncherAppWidgetInfo item) { 2051 final Workspace workspace = mWorkspace; 2052 2053 final int appWidgetId = item.appWidgetId; 2054 final AppWidgetProviderInfo appWidgetInfo = mAppWidgetManager.getAppWidgetInfo(appWidgetId); 2055 item.hostView = mAppWidgetHost.createView(this, appWidgetId, appWidgetInfo); 2056 2057 item.hostView.setAppWidget(appWidgetId, appWidgetInfo); 2058 item.hostView.setTag(item); 2059 2060 workspace.addInScreen(item.hostView, item.screen, item.cellX, 2061 item.cellY, item.spanX, item.spanY, false); 2062 2063 workspace.requestLayout(); 2064 2065 mDesktopItems.add(item); 2066 } 2067 2068 /** 2069 * Callback saying that there aren't any more items to bind. 2070 * 2071 * Implementation of the method from LauncherModel.Callbacks. 2072 */ 2073 public void finishBindingItems() { 2074 if (mSavedState != null) { 2075 if (!mWorkspace.hasFocus()) { 2076 mWorkspace.getChildAt(mWorkspace.getCurrentScreen()).requestFocus(); 2077 } 2078 2079 final long[] userFolders = mSavedState.getLongArray(RUNTIME_STATE_USER_FOLDERS); 2080 if (userFolders != null) { 2081 for (long folderId : userFolders) { 2082 final FolderInfo info = mFolders.get(folderId); 2083 if (info != null) { 2084 openFolder(info); 2085 } 2086 } 2087 final Folder openFolder = mWorkspace.getOpenFolder(); 2088 if (openFolder != null) { 2089 openFolder.requestFocus(); 2090 } 2091 } 2092 2093 mSavedState = null; 2094 } 2095 2096 if (mSavedInstanceState != null) { 2097 super.onRestoreInstanceState(mSavedInstanceState); 2098 mSavedInstanceState = null; 2099 } 2100 2101 mWorkspaceLoading = false; 2102 } 2103 2104 /** 2105 * Add the icons for all apps. 2106 * 2107 * Implementation of the method from LauncherModel.Callbacks. 2108 */ 2109 public void bindAllApplications(ArrayList<ApplicationInfo> apps) { 2110 mAllAppsGrid.setApps(apps); 2111 } 2112 2113 /** 2114 * A package was installed. 2115 * 2116 * Implementation of the method from LauncherModel.Callbacks. 2117 */ 2118 public void bindPackageAdded(ArrayList<ApplicationInfo> apps) { 2119 removeDialog(DIALOG_CREATE_SHORTCUT); 2120 mAllAppsGrid.addApps(apps); 2121 } 2122 2123 /** 2124 * A package was updated. 2125 * 2126 * Implementation of the method from LauncherModel.Callbacks. 2127 */ 2128 public void bindPackageUpdated(String packageName, ArrayList<ApplicationInfo> apps) { 2129 removeDialog(DIALOG_CREATE_SHORTCUT); 2130 mWorkspace.updateShortcutsForPackage(packageName); 2131 mAllAppsGrid.updateApps(packageName, apps); 2132 } 2133 2134 /** 2135 * A package was uninstalled. 2136 * 2137 * Implementation of the method from LauncherModel.Callbacks. 2138 */ 2139 public void bindPackageRemoved(String packageName, ArrayList<ApplicationInfo> apps) { 2140 removeDialog(DIALOG_CREATE_SHORTCUT); 2141 mWorkspace.removeItemsForPackage(packageName); 2142 mAllAppsGrid.removeApps(apps); 2143 } 2144 2145 /** 2146 * Prints out out state for debugging. 2147 */ 2148 public void dumpState() { 2149 Log.d(TAG, "BEGIN launcher2 dump state for launcher " + this); 2150 Log.d(TAG, "mSavedState=" + mSavedState); 2151 Log.d(TAG, "mWorkspaceLoading=" + mWorkspaceLoading); 2152 Log.d(TAG, "mRestoring=" + mRestoring); 2153 Log.d(TAG, "mWaitingForResult=" + mWaitingForResult); 2154 Log.d(TAG, "mSavedInstanceState=" + mSavedInstanceState); 2155 Log.d(TAG, "mDesktopItems.size=" + mDesktopItems.size()); 2156 Log.d(TAG, "mFolders.size=" + mFolders.size()); 2157 mModel.dumpState(); 2158 mAllAppsGrid.dumpState(); 2159 Log.d(TAG, "END launcher2 dump state"); 2160 } 2161} 2162