Launcher.java revision 843e860e8ebab96ff70988f2829fac38afd9d937
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 com.android.common.Search; 20 21import android.app.Activity; 22import android.app.AlertDialog; 23import android.app.Dialog; 24import android.app.SearchManager; 25import android.app.StatusBarManager; 26import android.app.WallpaperManager; 27import android.content.ActivityNotFoundException; 28import android.content.BroadcastReceiver; 29import android.content.ComponentName; 30import android.content.ContentResolver; 31import android.content.Context; 32import android.content.DialogInterface; 33import android.content.Intent; 34import android.content.Intent.ShortcutIconResource; 35import android.content.IntentFilter; 36import android.content.pm.ActivityInfo; 37import android.content.pm.PackageManager; 38import android.content.pm.ResolveInfo; 39import android.content.res.Configuration; 40import android.content.res.Resources; 41import android.content.res.TypedArray; 42import android.database.ContentObserver; 43import android.graphics.Bitmap; 44import android.graphics.Rect; 45import android.graphics.Canvas; 46import android.graphics.drawable.Drawable; 47import android.graphics.drawable.ColorDrawable; 48import android.net.Uri; 49import android.os.Bundle; 50import android.os.Handler; 51import android.os.Parcelable; 52import android.os.SystemClock; 53import android.os.SystemProperties; 54import android.provider.LiveFolders; 55import android.text.Selection; 56import android.text.SpannableStringBuilder; 57import android.text.TextUtils; 58import android.text.method.TextKeyListener; 59import android.util.Log; 60import android.view.Display; 61import android.view.HapticFeedbackConstants; 62import android.view.KeyEvent; 63import android.view.LayoutInflater; 64import android.view.Menu; 65import android.view.MenuItem; 66import android.view.View; 67import android.view.ViewGroup; 68import android.view.View.OnLongClickListener; 69import android.view.inputmethod.InputMethodManager; 70import android.widget.EditText; 71import android.widget.TextView; 72import android.widget.Toast; 73import android.widget.ImageView; 74import android.widget.PopupWindow; 75import android.widget.LinearLayout; 76import android.appwidget.AppWidgetManager; 77import android.appwidget.AppWidgetProviderInfo; 78 79import java.util.ArrayList; 80import java.util.List; 81import java.util.HashMap; 82import java.io.DataOutputStream; 83import java.io.FileNotFoundException; 84import java.io.IOException; 85import java.io.DataInputStream; 86 87import com.android.launcher.R; 88 89/** 90 * Default launcher application. 91 */ 92public final class Launcher extends Activity 93 implements View.OnClickListener, OnLongClickListener, LauncherModel.Callbacks, AllAppsView.Watcher { 94 static final String TAG = "Launcher"; 95 static final boolean LOGD = true; 96 97 static final boolean PROFILE_STARTUP = false; 98 static final boolean DEBUG_WIDGETS = false; 99 static final boolean DEBUG_USER_INTERFACE = false; 100 101 private static final int WALLPAPER_SCREENS_SPAN = 2; 102 103 private static final int MENU_GROUP_ADD = 1; 104 private static final int MENU_GROUP_WALLPAPER = MENU_GROUP_ADD + 1; 105 106 private static final int MENU_ADD = Menu.FIRST + 1; 107 private static final int MENU_WALLPAPER_SETTINGS = MENU_ADD + 1; 108 private static final int MENU_SEARCH = MENU_WALLPAPER_SETTINGS + 1; 109 private static final int MENU_NOTIFICATIONS = MENU_SEARCH + 1; 110 private static final int MENU_SETTINGS = MENU_NOTIFICATIONS + 1; 111 112 private static final int REQUEST_CREATE_SHORTCUT = 1; 113 private static final int REQUEST_CREATE_LIVE_FOLDER = 4; 114 private static final int REQUEST_CREATE_APPWIDGET = 5; 115 private static final int REQUEST_PICK_APPLICATION = 6; 116 private static final int REQUEST_PICK_SHORTCUT = 7; 117 private static final int REQUEST_PICK_LIVE_FOLDER = 8; 118 private static final int REQUEST_PICK_APPWIDGET = 9; 119 private static final int REQUEST_PICK_WALLPAPER = 10; 120 121 static final String EXTRA_SHORTCUT_DUPLICATE = "duplicate"; 122 123 static final int SCREEN_COUNT = 5; 124 static final int DEFAULT_SCREEN = 2; 125 static final int NUMBER_CELLS_X = 4; 126 static final int NUMBER_CELLS_Y = 4; 127 128 static final int DIALOG_CREATE_SHORTCUT = 1; 129 static final int DIALOG_RENAME_FOLDER = 2; 130 131 private static final String PREFERENCES = "launcher.preferences"; 132 133 // Type: int 134 private static final String RUNTIME_STATE_CURRENT_SCREEN = "launcher.current_screen"; 135 // Type: boolean 136 private static final String RUNTIME_STATE_ALL_APPS_FOLDER = "launcher.all_apps_folder"; 137 // Type: long 138 private static final String RUNTIME_STATE_USER_FOLDERS = "launcher.user_folder"; 139 // Type: int 140 private static final String RUNTIME_STATE_PENDING_ADD_SCREEN = "launcher.add_screen"; 141 // Type: int 142 private static final String RUNTIME_STATE_PENDING_ADD_CELL_X = "launcher.add_cellX"; 143 // Type: int 144 private static final String RUNTIME_STATE_PENDING_ADD_CELL_Y = "launcher.add_cellY"; 145 // Type: int 146 private static final String RUNTIME_STATE_PENDING_ADD_SPAN_X = "launcher.add_spanX"; 147 // Type: int 148 private static final String RUNTIME_STATE_PENDING_ADD_SPAN_Y = "launcher.add_spanY"; 149 // Type: int 150 private static final String RUNTIME_STATE_PENDING_ADD_COUNT_X = "launcher.add_countX"; 151 // Type: int 152 private static final String RUNTIME_STATE_PENDING_ADD_COUNT_Y = "launcher.add_countY"; 153 // Type: int[] 154 private static final String RUNTIME_STATE_PENDING_ADD_OCCUPIED_CELLS = "launcher.add_occupied_cells"; 155 // Type: boolean 156 private static final String RUNTIME_STATE_PENDING_FOLDER_RENAME = "launcher.rename_folder"; 157 // Type: long 158 private static final String RUNTIME_STATE_PENDING_FOLDER_RENAME_ID = "launcher.rename_folder_id"; 159 160 static final int APPWIDGET_HOST_ID = 1024; 161 162 private static final Object sLock = new Object(); 163 private static int sScreen = DEFAULT_SCREEN; 164 165 private final BroadcastReceiver mCloseSystemDialogsReceiver 166 = new CloseSystemDialogsIntentReceiver(); 167 private final ContentObserver mWidgetObserver = new AppWidgetResetObserver(); 168 169 private LayoutInflater mInflater; 170 171 private DragController mDragController; 172 private Workspace mWorkspace; 173 174 private AppWidgetManager mAppWidgetManager; 175 private LauncherAppWidgetHost mAppWidgetHost; 176 177 private CellLayout.CellInfo mAddItemCellInfo; 178 private CellLayout.CellInfo mMenuAddInfo; 179 private final int[] mCellCoordinates = new int[2]; 180 private FolderInfo mFolderInfo; 181 182 private DeleteZone mDeleteZone; 183 private HandleView mHandleView; 184 private AllAppsView mAllAppsGrid; 185 186 private Bundle mSavedState; 187 188 private SpannableStringBuilder mDefaultKeySsb = null; 189 190 private boolean mWorkspaceLoading = true; 191 192 private boolean mPaused = true; 193 private boolean mRestoring; 194 private boolean mWaitingForResult; 195 196 private Bundle mSavedInstanceState; 197 198 private LauncherModel mModel; 199 private IconCache mIconCache; 200 201 private ArrayList<ItemInfo> mDesktopItems = new ArrayList<ItemInfo>(); 202 private static HashMap<Long, FolderInfo> mFolders = new HashMap<Long, FolderInfo>(); 203 204 private ImageView mPreviousView; 205 private ImageView mNextView; 206 207 // Hotseats (quick-launch icons next to AllApps) 208 private static final int NUM_HOTSEATS = 2; 209 private String[] mHotseatConfig = null; 210 private Intent[] mHotseats = null; 211 private Drawable[] mHotseatIcons = null; 212 private CharSequence[] mHotseatLabels = null; 213 214 @Override 215 protected void onCreate(Bundle savedInstanceState) { 216 super.onCreate(savedInstanceState); 217 218 LauncherApplication app = ((LauncherApplication)getApplication()); 219 mModel = app.setLauncher(this); 220 mIconCache = app.getIconCache(); 221 mDragController = new DragController(this); 222 mInflater = getLayoutInflater(); 223 224 mAppWidgetManager = AppWidgetManager.getInstance(this); 225 mAppWidgetHost = new LauncherAppWidgetHost(this, APPWIDGET_HOST_ID); 226 mAppWidgetHost.startListening(); 227 228 if (PROFILE_STARTUP) { 229 android.os.Debug.startMethodTracing("/sdcard/launcher"); 230 } 231 232 loadHotseats(); 233 checkForLocaleChange(); 234 setWallpaperDimension(); 235 236 setContentView(R.layout.launcher); 237 setupViews(); 238 239 registerContentObservers(); 240 241 lockAllApps(); 242 243 mSavedState = savedInstanceState; 244 restoreState(mSavedState); 245 246 if (PROFILE_STARTUP) { 247 android.os.Debug.stopMethodTracing(); 248 } 249 250 // We have a new AllAppsView, we need to re-bind everything, and it could have 251 // changed in our absence. 252 mModel.setAllAppsDirty(); 253 mModel.setWorkspaceDirty(); 254 255 if (!mRestoring) { 256 mModel.startLoader(this, true); 257 } 258 259 // For handling default keys 260 mDefaultKeySsb = new SpannableStringBuilder(); 261 Selection.setSelection(mDefaultKeySsb, 0); 262 263 IntentFilter filter = new IntentFilter(Intent.ACTION_CLOSE_SYSTEM_DIALOGS); 264 registerReceiver(mCloseSystemDialogsReceiver, filter); 265 } 266 267 private void checkForLocaleChange() { 268 final LocaleConfiguration localeConfiguration = new LocaleConfiguration(); 269 readConfiguration(this, localeConfiguration); 270 271 final Configuration configuration = getResources().getConfiguration(); 272 273 final String previousLocale = localeConfiguration.locale; 274 final String locale = configuration.locale.toString(); 275 276 final int previousMcc = localeConfiguration.mcc; 277 final int mcc = configuration.mcc; 278 279 final int previousMnc = localeConfiguration.mnc; 280 final int mnc = configuration.mnc; 281 282 boolean localeChanged = !locale.equals(previousLocale) || mcc != previousMcc || mnc != previousMnc; 283 284 if (localeChanged) { 285 localeConfiguration.locale = locale; 286 localeConfiguration.mcc = mcc; 287 localeConfiguration.mnc = mnc; 288 289 writeConfiguration(this, localeConfiguration); 290 mIconCache.flush(); 291 292 loadHotseats(); 293 } 294 } 295 296 private static class LocaleConfiguration { 297 public String locale; 298 public int mcc = -1; 299 public int mnc = -1; 300 } 301 302 private static void readConfiguration(Context context, LocaleConfiguration configuration) { 303 DataInputStream in = null; 304 try { 305 in = new DataInputStream(context.openFileInput(PREFERENCES)); 306 configuration.locale = in.readUTF(); 307 configuration.mcc = in.readInt(); 308 configuration.mnc = in.readInt(); 309 } catch (FileNotFoundException e) { 310 // Ignore 311 } catch (IOException e) { 312 // Ignore 313 } finally { 314 if (in != null) { 315 try { 316 in.close(); 317 } catch (IOException e) { 318 // Ignore 319 } 320 } 321 } 322 } 323 324 private static void writeConfiguration(Context context, LocaleConfiguration configuration) { 325 DataOutputStream out = null; 326 try { 327 out = new DataOutputStream(context.openFileOutput(PREFERENCES, MODE_PRIVATE)); 328 out.writeUTF(configuration.locale); 329 out.writeInt(configuration.mcc); 330 out.writeInt(configuration.mnc); 331 out.flush(); 332 } catch (FileNotFoundException e) { 333 // Ignore 334 } catch (IOException e) { 335 //noinspection ResultOfMethodCallIgnored 336 context.getFileStreamPath(PREFERENCES).delete(); 337 } finally { 338 if (out != null) { 339 try { 340 out.close(); 341 } catch (IOException e) { 342 // Ignore 343 } 344 } 345 } 346 } 347 348 static int getScreen() { 349 synchronized (sLock) { 350 return sScreen; 351 } 352 } 353 354 static void setScreen(int screen) { 355 synchronized (sLock) { 356 sScreen = screen; 357 } 358 } 359 360 private void setWallpaperDimension() { 361 WallpaperManager wpm = (WallpaperManager)getSystemService(WALLPAPER_SERVICE); 362 363 Display display = getWindowManager().getDefaultDisplay(); 364 boolean isPortrait = display.getWidth() < display.getHeight(); 365 366 final int width = isPortrait ? display.getWidth() : display.getHeight(); 367 final int height = isPortrait ? display.getHeight() : display.getWidth(); 368 wpm.suggestDesiredDimensions(width * WALLPAPER_SCREENS_SPAN, height); 369 } 370 371 // Note: This doesn't do all the client-id magic that BrowserProvider does 372 // in Browser. (http://b/2425179) 373 private Uri getDefaultBrowserUri() { 374 String url = getString(R.string.default_browser_url); 375 if (url.indexOf("{CID}") != -1) { 376 url = url.replace("{CID}", "android-google"); 377 } 378 return Uri.parse(url); 379 } 380 381 // Load the Intent templates from arrays.xml to populate the hotseats. For 382 // each Intent, if it resolves to a single app, use that as the launch 383 // intent & use that app's label as the contentDescription. Otherwise, 384 // retain the ResolveActivity so the user can pick an app. 385 private void loadHotseats() { 386 if (mHotseatConfig == null) { 387 mHotseatConfig = getResources().getStringArray(R.array.hotseats); 388 if (mHotseatConfig.length > 0) { 389 mHotseats = new Intent[mHotseatConfig.length]; 390 mHotseatLabels = new CharSequence[mHotseatConfig.length]; 391 mHotseatIcons = new Drawable[mHotseatConfig.length]; 392 } else { 393 mHotseats = null; 394 mHotseatIcons = null; 395 mHotseatLabels = null; 396 } 397 398 TypedArray hotseatIconDrawables = getResources().obtainTypedArray(R.array.hotseat_icons); 399 for (int i=0; i<mHotseatConfig.length; i++) { 400 // load icon for this slot; currently unrelated to the actual activity 401 try { 402 mHotseatIcons[i] = hotseatIconDrawables.getDrawable(i); 403 } catch (ArrayIndexOutOfBoundsException ex) { 404 Log.w(TAG, "Missing hotseat_icons array item #" + i); 405 mHotseatIcons[i] = null; 406 } 407 } 408 hotseatIconDrawables.recycle(); 409 } 410 411 PackageManager pm = getPackageManager(); 412 for (int i=0; i<mHotseatConfig.length; i++) { 413 Intent intent = null; 414 if (mHotseatConfig[i].equals("*BROWSER*")) { 415 // magic value meaning "launch user's default web browser" 416 // replace it with a generic web request so we can see if there is indeed a default 417 String defaultUri = getString(R.string.default_browser_url); 418 intent = new Intent( 419 Intent.ACTION_VIEW, 420 ((defaultUri != null) 421 ? Uri.parse(defaultUri) 422 : getDefaultBrowserUri()) 423 ).addCategory(Intent.CATEGORY_BROWSABLE); 424 // note: if the user launches this without a default set, she 425 // will always be taken to the default URL above; this is 426 // unavoidable as we must specify a valid URL in order for the 427 // chooser to appear, and once the user selects something, that 428 // URL is unavoidably sent to the chosen app. 429 } else { 430 try { 431 intent = Intent.parseUri(mHotseatConfig[i], 0); 432 } catch (java.net.URISyntaxException ex) { 433 Log.w(TAG, "Invalid hotseat intent: " + mHotseatConfig[i]); 434 // bogus; leave intent=null 435 } 436 } 437 438 if (intent == null) { 439 mHotseats[i] = null; 440 mHotseatLabels[i] = getText(R.string.activity_not_found); 441 continue; 442 } 443 444 if (LOGD) { 445 Log.d(TAG, "loadHotseats: hotseat " + i 446 + " initial intent=[" 447 + intent.toUri(Intent.URI_INTENT_SCHEME) 448 + "]"); 449 } 450 451 ResolveInfo bestMatch = pm.resolveActivity(intent, PackageManager.MATCH_DEFAULT_ONLY); 452 List<ResolveInfo> allMatches = pm.queryIntentActivities(intent, PackageManager.MATCH_DEFAULT_ONLY); 453 if (LOGD) { 454 Log.d(TAG, "Best match for intent: " + bestMatch); 455 Log.d(TAG, "All matches: "); 456 for (ResolveInfo ri : allMatches) { 457 Log.d(TAG, " --> " + ri); 458 } 459 } 460 // did this resolve to a single app, or the resolver? 461 if (allMatches.size() == 0 || bestMatch == null) { 462 // can't find any activity to handle this. let's leave the 463 // intent as-is and let Launcher show a toast when it fails 464 // to launch. 465 mHotseats[i] = intent; 466 467 // set accessibility text to "Not installed" 468 mHotseatLabels[i] = getText(R.string.activity_not_found); 469 } else { 470 boolean found = false; 471 for (ResolveInfo ri : allMatches) { 472 if (bestMatch.activityInfo.name.equals(ri.activityInfo.name) 473 && bestMatch.activityInfo.applicationInfo.packageName 474 .equals(ri.activityInfo.applicationInfo.packageName)) { 475 found = true; 476 break; 477 } 478 } 479 480 if (!found) { 481 if (LOGD) Log.d(TAG, "Multiple options, no default yet"); 482 // the bestMatch is probably the ResolveActivity, meaning the 483 // user has not yet selected a default 484 // so: we'll keep the original intent for now 485 mHotseats[i] = intent; 486 487 // set the accessibility text to "Select shortcut" 488 mHotseatLabels[i] = getText(R.string.title_select_shortcut); 489 } else { 490 // we have an app! 491 // now reconstruct the intent to launch it through the front 492 // door 493 ComponentName com = new ComponentName( 494 bestMatch.activityInfo.applicationInfo.packageName, 495 bestMatch.activityInfo.name); 496 mHotseats[i] = new Intent(Intent.ACTION_MAIN).setComponent(com); 497 498 // load the app label for accessibility 499 mHotseatLabels[i] = bestMatch.activityInfo.loadLabel(pm); 500 } 501 } 502 503 if (LOGD) { 504 Log.d(TAG, "loadHotseats: hotseat " + i 505 + " final intent=[" 506 + ((mHotseats[i] == null) 507 ? "null" 508 : mHotseats[i].toUri(Intent.URI_INTENT_SCHEME)) 509 + "] label=[" + mHotseatLabels[i] 510 + "]" 511 ); 512 } 513 } 514 } 515 516 @Override 517 protected void onActivityResult(int requestCode, int resultCode, Intent data) { 518 mWaitingForResult = false; 519 520 // The pattern used here is that a user PICKs a specific application, 521 // which, depending on the target, might need to CREATE the actual target. 522 523 // For example, the user would PICK_SHORTCUT for "Music playlist", and we 524 // launch over to the Music app to actually CREATE_SHORTCUT. 525 526 if (resultCode == RESULT_OK && mAddItemCellInfo != null) { 527 switch (requestCode) { 528 case REQUEST_PICK_APPLICATION: 529 completeAddApplication(this, data, mAddItemCellInfo); 530 break; 531 case REQUEST_PICK_SHORTCUT: 532 processShortcut(data); 533 break; 534 case REQUEST_CREATE_SHORTCUT: 535 completeAddShortcut(data, mAddItemCellInfo); 536 break; 537 case REQUEST_PICK_LIVE_FOLDER: 538 addLiveFolder(data); 539 break; 540 case REQUEST_CREATE_LIVE_FOLDER: 541 completeAddLiveFolder(data, mAddItemCellInfo); 542 break; 543 case REQUEST_PICK_APPWIDGET: 544 addAppWidget(data); 545 break; 546 case REQUEST_CREATE_APPWIDGET: 547 completeAddAppWidget(data, mAddItemCellInfo); 548 break; 549 case REQUEST_PICK_WALLPAPER: 550 // We just wanted the activity result here so we can clear mWaitingForResult 551 break; 552 } 553 } else if ((requestCode == REQUEST_PICK_APPWIDGET || 554 requestCode == REQUEST_CREATE_APPWIDGET) && resultCode == RESULT_CANCELED && 555 data != null) { 556 // Clean up the appWidgetId if we canceled 557 int appWidgetId = data.getIntExtra(AppWidgetManager.EXTRA_APPWIDGET_ID, -1); 558 if (appWidgetId != -1) { 559 mAppWidgetHost.deleteAppWidgetId(appWidgetId); 560 } 561 } 562 } 563 564 @Override 565 protected void onResume() { 566 super.onResume(); 567 568 mPaused = false; 569 570 if (mRestoring) { 571 mWorkspaceLoading = true; 572 mModel.startLoader(this, true); 573 mRestoring = false; 574 } 575 } 576 577 @Override 578 protected void onPause() { 579 super.onPause(); 580 dismissPreview(mPreviousView); 581 dismissPreview(mNextView); 582 mDragController.cancelDrag(); 583 } 584 585 @Override 586 public Object onRetainNonConfigurationInstance() { 587 // Flag the loader to stop early before switching 588 mModel.stopLoader(); 589 mAllAppsGrid.surrender(); 590 return Boolean.TRUE; 591 } 592 593 // We can't hide the IME if it was forced open. So don't bother 594 /* 595 @Override 596 public void onWindowFocusChanged(boolean hasFocus) { 597 super.onWindowFocusChanged(hasFocus); 598 599 if (hasFocus) { 600 final InputMethodManager inputManager = (InputMethodManager) 601 getSystemService(Context.INPUT_METHOD_SERVICE); 602 WindowManager.LayoutParams lp = getWindow().getAttributes(); 603 inputManager.hideSoftInputFromWindow(lp.token, 0, new android.os.ResultReceiver(new 604 android.os.Handler()) { 605 protected void onReceiveResult(int resultCode, Bundle resultData) { 606 Log.d(TAG, "ResultReceiver got resultCode=" + resultCode); 607 } 608 }); 609 Log.d(TAG, "called hideSoftInputFromWindow from onWindowFocusChanged"); 610 } 611 } 612 */ 613 614 private boolean acceptFilter() { 615 final InputMethodManager inputManager = (InputMethodManager) 616 getSystemService(Context.INPUT_METHOD_SERVICE); 617 return !inputManager.isFullscreenMode(); 618 } 619 620 @Override 621 public boolean onKeyDown(int keyCode, KeyEvent event) { 622 boolean handled = super.onKeyDown(keyCode, event); 623 if (!handled && acceptFilter() && keyCode != KeyEvent.KEYCODE_ENTER) { 624 boolean gotKey = TextKeyListener.getInstance().onKeyDown(mWorkspace, mDefaultKeySsb, 625 keyCode, event); 626 if (gotKey && mDefaultKeySsb != null && mDefaultKeySsb.length() > 0) { 627 // something usable has been typed - start a search 628 // the typed text will be retrieved and cleared by 629 // showSearchDialog() 630 // If there are multiple keystrokes before the search dialog takes focus, 631 // onSearchRequested() will be called for every keystroke, 632 // but it is idempotent, so it's fine. 633 return onSearchRequested(); 634 } 635 } 636 637 // Eat the long press event so the keyboard doesn't come up. 638 if (keyCode == KeyEvent.KEYCODE_MENU && event.isLongPress()) { 639 return true; 640 } 641 642 return handled; 643 } 644 645 private String getTypedText() { 646 return mDefaultKeySsb.toString(); 647 } 648 649 private void clearTypedText() { 650 mDefaultKeySsb.clear(); 651 mDefaultKeySsb.clearSpans(); 652 Selection.setSelection(mDefaultKeySsb, 0); 653 } 654 655 /** 656 * Restores the previous state, if it exists. 657 * 658 * @param savedState The previous state. 659 */ 660 private void restoreState(Bundle savedState) { 661 if (savedState == null) { 662 return; 663 } 664 665 final boolean allApps = savedState.getBoolean(RUNTIME_STATE_ALL_APPS_FOLDER, false); 666 if (allApps) { 667 showAllApps(false); 668 } 669 670 final int currentScreen = savedState.getInt(RUNTIME_STATE_CURRENT_SCREEN, -1); 671 if (currentScreen > -1) { 672 mWorkspace.setCurrentScreen(currentScreen); 673 } 674 675 final int addScreen = savedState.getInt(RUNTIME_STATE_PENDING_ADD_SCREEN, -1); 676 if (addScreen > -1) { 677 mAddItemCellInfo = new CellLayout.CellInfo(); 678 final CellLayout.CellInfo addItemCellInfo = mAddItemCellInfo; 679 addItemCellInfo.valid = true; 680 addItemCellInfo.screen = addScreen; 681 addItemCellInfo.cellX = savedState.getInt(RUNTIME_STATE_PENDING_ADD_CELL_X); 682 addItemCellInfo.cellY = savedState.getInt(RUNTIME_STATE_PENDING_ADD_CELL_Y); 683 addItemCellInfo.spanX = savedState.getInt(RUNTIME_STATE_PENDING_ADD_SPAN_X); 684 addItemCellInfo.spanY = savedState.getInt(RUNTIME_STATE_PENDING_ADD_SPAN_Y); 685 addItemCellInfo.findVacantCellsFromOccupied( 686 savedState.getBooleanArray(RUNTIME_STATE_PENDING_ADD_OCCUPIED_CELLS), 687 savedState.getInt(RUNTIME_STATE_PENDING_ADD_COUNT_X), 688 savedState.getInt(RUNTIME_STATE_PENDING_ADD_COUNT_Y)); 689 mRestoring = true; 690 } 691 692 boolean renameFolder = savedState.getBoolean(RUNTIME_STATE_PENDING_FOLDER_RENAME, false); 693 if (renameFolder) { 694 long id = savedState.getLong(RUNTIME_STATE_PENDING_FOLDER_RENAME_ID); 695 mFolderInfo = mModel.getFolderById(this, mFolders, id); 696 mRestoring = true; 697 } 698 } 699 700 /** 701 * Finds all the views we need and configure them properly. 702 */ 703 private void setupViews() { 704 DragController dragController = mDragController; 705 706 DragLayer dragLayer = (DragLayer) findViewById(R.id.drag_layer); 707 dragLayer.setDragController(dragController); 708 709 mAllAppsGrid = (AllAppsView)dragLayer.findViewById(R.id.all_apps_view); 710 mAllAppsGrid.setLauncher(this); 711 mAllAppsGrid.setDragController(dragController); 712 ((View) mAllAppsGrid).setWillNotDraw(false); // We don't want a hole punched in our window. 713 // Manage focusability manually since this thing is always visible 714 ((View) mAllAppsGrid).setFocusable(false); 715 716 mWorkspace = (Workspace) dragLayer.findViewById(R.id.workspace); 717 final Workspace workspace = mWorkspace; 718 workspace.setHapticFeedbackEnabled(false); 719 720 DeleteZone deleteZone = (DeleteZone) dragLayer.findViewById(R.id.delete_zone); 721 mDeleteZone = deleteZone; 722 723 mHandleView = (HandleView) findViewById(R.id.all_apps_button); 724 mHandleView.setLauncher(this); 725 mHandleView.setOnClickListener(this); 726 mHandleView.setOnLongClickListener(this); 727 728 ImageView hotseatLeft = (ImageView) findViewById(R.id.hotseat_left); 729 hotseatLeft.setContentDescription(mHotseatLabels[0]); 730 hotseatLeft.setImageDrawable(mHotseatIcons[0]); 731 ImageView hotseatRight = (ImageView) findViewById(R.id.hotseat_right); 732 hotseatRight.setContentDescription(mHotseatLabels[1]); 733 hotseatRight.setImageDrawable(mHotseatIcons[1]); 734 735 mPreviousView = (ImageView) dragLayer.findViewById(R.id.previous_screen); 736 mNextView = (ImageView) dragLayer.findViewById(R.id.next_screen); 737 738 Drawable previous = mPreviousView.getDrawable(); 739 Drawable next = mNextView.getDrawable(); 740 mWorkspace.setIndicators(previous, next); 741 742 mPreviousView.setHapticFeedbackEnabled(false); 743 mPreviousView.setOnLongClickListener(this); 744 mNextView.setHapticFeedbackEnabled(false); 745 mNextView.setOnLongClickListener(this); 746 747 workspace.setOnLongClickListener(this); 748 workspace.setDragController(dragController); 749 workspace.setLauncher(this); 750 751 deleteZone.setLauncher(this); 752 deleteZone.setDragController(dragController); 753 deleteZone.setHandle(findViewById(R.id.all_apps_button_cluster)); 754 755 dragController.setDragScoller(workspace); 756 dragController.setDragListener(deleteZone); 757 dragController.setScrollView(dragLayer); 758 dragController.setMoveTarget(workspace); 759 760 // The order here is bottom to top. 761 dragController.addDropTarget(workspace); 762 dragController.addDropTarget(deleteZone); 763 } 764 765 @SuppressWarnings({"UnusedDeclaration"}) 766 public void previousScreen(View v) { 767 if (!isAllAppsVisible()) { 768 mWorkspace.scrollLeft(); 769 } 770 } 771 772 @SuppressWarnings({"UnusedDeclaration"}) 773 public void nextScreen(View v) { 774 if (!isAllAppsVisible()) { 775 mWorkspace.scrollRight(); 776 } 777 } 778 779 @SuppressWarnings({"UnusedDeclaration"}) 780 public void launchHotSeat(View v) { 781 if (isAllAppsVisible()) return; 782 783 int index = -1; 784 if (v.getId() == R.id.hotseat_left) { 785 index = 0; 786 } else if (v.getId() == R.id.hotseat_right) { 787 index = 1; 788 } 789 790 // reload these every tap; you never know when they might change 791 loadHotseats(); 792 if (index >= 0 && index < mHotseats.length && mHotseats[index] != null) { 793 Intent intent = mHotseats[index]; 794 startActivitySafely( 795 mHotseats[index], 796 "hotseat" 797 ); 798 } 799 } 800 801 /** 802 * Creates a view representing a shortcut. 803 * 804 * @param info The data structure describing the shortcut. 805 * 806 * @return A View inflated from R.layout.application. 807 */ 808 View createShortcut(ShortcutInfo info) { 809 return createShortcut(R.layout.application, 810 (ViewGroup) mWorkspace.getChildAt(mWorkspace.getCurrentScreen()), info); 811 } 812 813 /** 814 * Creates a view representing a shortcut inflated from the specified resource. 815 * 816 * @param layoutResId The id of the XML layout used to create the shortcut. 817 * @param parent The group the shortcut belongs to. 818 * @param info The data structure describing the shortcut. 819 * 820 * @return A View inflated from layoutResId. 821 */ 822 View createShortcut(int layoutResId, ViewGroup parent, ShortcutInfo info) { 823 TextView favorite = (TextView) mInflater.inflate(layoutResId, parent, false); 824 825 favorite.setCompoundDrawablesWithIntrinsicBounds(null, 826 new FastBitmapDrawable(info.getIcon(mIconCache)), 827 null, null); 828 favorite.setText(info.title); 829 favorite.setTag(info); 830 favorite.setOnClickListener(this); 831 832 return favorite; 833 } 834 835 /** 836 * Add an application shortcut to the workspace. 837 * 838 * @param data The intent describing the application. 839 * @param cellInfo The position on screen where to create the shortcut. 840 */ 841 void completeAddApplication(Context context, Intent data, CellLayout.CellInfo cellInfo) { 842 cellInfo.screen = mWorkspace.getCurrentScreen(); 843 if (!findSingleSlot(cellInfo)) return; 844 845 final ShortcutInfo info = mModel.getShortcutInfo(context.getPackageManager(), 846 data, context); 847 848 if (info != null) { 849 info.setActivity(data.getComponent(), Intent.FLAG_ACTIVITY_NEW_TASK | 850 Intent.FLAG_ACTIVITY_RESET_TASK_IF_NEEDED); 851 info.container = ItemInfo.NO_ID; 852 mWorkspace.addApplicationShortcut(info, cellInfo, isWorkspaceLocked()); 853 } else { 854 Log.e(TAG, "Couldn't find ActivityInfo for selected application: " + data); 855 } 856 } 857 858 /** 859 * Add a shortcut to the workspace. 860 * 861 * @param data The intent describing the shortcut. 862 * @param cellInfo The position on screen where to create the shortcut. 863 */ 864 private void completeAddShortcut(Intent data, CellLayout.CellInfo cellInfo) { 865 cellInfo.screen = mWorkspace.getCurrentScreen(); 866 if (!findSingleSlot(cellInfo)) return; 867 868 final ShortcutInfo info = mModel.addShortcut(this, data, cellInfo, false); 869 870 if (!mRestoring) { 871 final View view = createShortcut(info); 872 mWorkspace.addInCurrentScreen(view, cellInfo.cellX, cellInfo.cellY, 1, 1, 873 isWorkspaceLocked()); 874 } 875 } 876 877 878 /** 879 * Add a widget to the workspace. 880 * 881 * @param data The intent describing the appWidgetId. 882 * @param cellInfo The position on screen where to create the widget. 883 */ 884 private void completeAddAppWidget(Intent data, CellLayout.CellInfo cellInfo) { 885 Bundle extras = data.getExtras(); 886 int appWidgetId = extras.getInt(AppWidgetManager.EXTRA_APPWIDGET_ID, -1); 887 888 if (LOGD) Log.d(TAG, "dumping extras content=" + extras.toString()); 889 890 AppWidgetProviderInfo appWidgetInfo = mAppWidgetManager.getAppWidgetInfo(appWidgetId); 891 892 // Calculate the grid spans needed to fit this widget 893 CellLayout layout = (CellLayout) mWorkspace.getChildAt(cellInfo.screen); 894 int[] spans = layout.rectToCell(appWidgetInfo.minWidth, appWidgetInfo.minHeight); 895 896 // Try finding open space on Launcher screen 897 final int[] xy = mCellCoordinates; 898 if (!findSlot(cellInfo, xy, spans[0], spans[1])) { 899 if (appWidgetId != -1) mAppWidgetHost.deleteAppWidgetId(appWidgetId); 900 return; 901 } 902 903 // Build Launcher-specific widget info and save to database 904 LauncherAppWidgetInfo launcherInfo = new LauncherAppWidgetInfo(appWidgetId); 905 launcherInfo.spanX = spans[0]; 906 launcherInfo.spanY = spans[1]; 907 908 LauncherModel.addItemToDatabase(this, launcherInfo, 909 LauncherSettings.Favorites.CONTAINER_DESKTOP, 910 mWorkspace.getCurrentScreen(), xy[0], xy[1], false); 911 912 if (!mRestoring) { 913 mDesktopItems.add(launcherInfo); 914 915 // Perform actual inflation because we're live 916 launcherInfo.hostView = mAppWidgetHost.createView(this, appWidgetId, appWidgetInfo); 917 918 launcherInfo.hostView.setAppWidget(appWidgetId, appWidgetInfo); 919 launcherInfo.hostView.setTag(launcherInfo); 920 921 mWorkspace.addInCurrentScreen(launcherInfo.hostView, xy[0], xy[1], 922 launcherInfo.spanX, launcherInfo.spanY, isWorkspaceLocked()); 923 } 924 } 925 926 public void removeAppWidget(LauncherAppWidgetInfo launcherInfo) { 927 mDesktopItems.remove(launcherInfo); 928 launcherInfo.hostView = null; 929 } 930 931 public LauncherAppWidgetHost getAppWidgetHost() { 932 return mAppWidgetHost; 933 } 934 935 void closeSystemDialogs() { 936 getWindow().closeAllPanels(); 937 938 try { 939 dismissDialog(DIALOG_CREATE_SHORTCUT); 940 // Unlock the workspace if the dialog was showing 941 } catch (Exception e) { 942 // An exception is thrown if the dialog is not visible, which is fine 943 } 944 945 try { 946 dismissDialog(DIALOG_RENAME_FOLDER); 947 // Unlock the workspace if the dialog was showing 948 } catch (Exception e) { 949 // An exception is thrown if the dialog is not visible, which is fine 950 } 951 952 // Whatever we were doing is hereby canceled. 953 mWaitingForResult = false; 954 } 955 956 @Override 957 protected void onNewIntent(Intent intent) { 958 super.onNewIntent(intent); 959 960 // Close the menu 961 if (Intent.ACTION_MAIN.equals(intent.getAction())) { 962 // also will cancel mWaitingForResult. 963 closeSystemDialogs(); 964 965 boolean alreadyOnHome = ((intent.getFlags() & Intent.FLAG_ACTIVITY_BROUGHT_TO_FRONT) 966 != Intent.FLAG_ACTIVITY_BROUGHT_TO_FRONT); 967 boolean allAppsVisible = isAllAppsVisible(); 968 if (!mWorkspace.isDefaultScreenShowing()) { 969 mWorkspace.moveToDefaultScreen(alreadyOnHome && !allAppsVisible); 970 } 971 closeAllApps(alreadyOnHome && allAppsVisible); 972 973 final View v = getWindow().peekDecorView(); 974 if (v != null && v.getWindowToken() != null) { 975 InputMethodManager imm = (InputMethodManager)getSystemService( 976 INPUT_METHOD_SERVICE); 977 imm.hideSoftInputFromWindow(v.getWindowToken(), 0); 978 } 979 } 980 } 981 982 @Override 983 protected void onRestoreInstanceState(Bundle savedInstanceState) { 984 // Do not call super here 985 mSavedInstanceState = savedInstanceState; 986 } 987 988 @Override 989 protected void onSaveInstanceState(Bundle outState) { 990 outState.putInt(RUNTIME_STATE_CURRENT_SCREEN, mWorkspace.getCurrentScreen()); 991 992 final ArrayList<Folder> folders = mWorkspace.getOpenFolders(); 993 if (folders.size() > 0) { 994 final int count = folders.size(); 995 long[] ids = new long[count]; 996 for (int i = 0; i < count; i++) { 997 final FolderInfo info = folders.get(i).getInfo(); 998 ids[i] = info.id; 999 } 1000 outState.putLongArray(RUNTIME_STATE_USER_FOLDERS, ids); 1001 } else { 1002 super.onSaveInstanceState(outState); 1003 } 1004 1005 // TODO should not do this if the drawer is currently closing. 1006 if (isAllAppsVisible()) { 1007 outState.putBoolean(RUNTIME_STATE_ALL_APPS_FOLDER, true); 1008 } 1009 1010 if (mAddItemCellInfo != null && mAddItemCellInfo.valid && mWaitingForResult) { 1011 final CellLayout.CellInfo addItemCellInfo = mAddItemCellInfo; 1012 final CellLayout layout = (CellLayout) mWorkspace.getChildAt(addItemCellInfo.screen); 1013 1014 outState.putInt(RUNTIME_STATE_PENDING_ADD_SCREEN, addItemCellInfo.screen); 1015 outState.putInt(RUNTIME_STATE_PENDING_ADD_CELL_X, addItemCellInfo.cellX); 1016 outState.putInt(RUNTIME_STATE_PENDING_ADD_CELL_Y, addItemCellInfo.cellY); 1017 outState.putInt(RUNTIME_STATE_PENDING_ADD_SPAN_X, addItemCellInfo.spanX); 1018 outState.putInt(RUNTIME_STATE_PENDING_ADD_SPAN_Y, addItemCellInfo.spanY); 1019 outState.putInt(RUNTIME_STATE_PENDING_ADD_COUNT_X, layout.getCountX()); 1020 outState.putInt(RUNTIME_STATE_PENDING_ADD_COUNT_Y, layout.getCountY()); 1021 outState.putBooleanArray(RUNTIME_STATE_PENDING_ADD_OCCUPIED_CELLS, 1022 layout.getOccupiedCells()); 1023 } 1024 1025 if (mFolderInfo != null && mWaitingForResult) { 1026 outState.putBoolean(RUNTIME_STATE_PENDING_FOLDER_RENAME, true); 1027 outState.putLong(RUNTIME_STATE_PENDING_FOLDER_RENAME_ID, mFolderInfo.id); 1028 } 1029 } 1030 1031 @Override 1032 public void onDestroy() { 1033 super.onDestroy(); 1034 1035 try { 1036 mAppWidgetHost.stopListening(); 1037 } catch (NullPointerException ex) { 1038 Log.w(TAG, "problem while stopping AppWidgetHost during Launcher destruction", ex); 1039 } 1040 1041 TextKeyListener.getInstance().release(); 1042 1043 mModel.stopLoader(); 1044 1045 unbindDesktopItems(); 1046 1047 getContentResolver().unregisterContentObserver(mWidgetObserver); 1048 1049 dismissPreview(mPreviousView); 1050 dismissPreview(mNextView); 1051 1052 unregisterReceiver(mCloseSystemDialogsReceiver); 1053 } 1054 1055 @Override 1056 public void startActivityForResult(Intent intent, int requestCode) { 1057 if (requestCode >= 0) mWaitingForResult = true; 1058 super.startActivityForResult(intent, requestCode); 1059 } 1060 1061 @Override 1062 public void startSearch(String initialQuery, boolean selectInitialQuery, 1063 Bundle appSearchData, boolean globalSearch) { 1064 1065 closeAllApps(true); 1066 1067 if (initialQuery == null) { 1068 // Use any text typed in the launcher as the initial query 1069 initialQuery = getTypedText(); 1070 clearTypedText(); 1071 } 1072 if (appSearchData == null) { 1073 appSearchData = new Bundle(); 1074 appSearchData.putString(Search.SOURCE, "launcher-search"); 1075 } 1076 1077 final SearchManager searchManager = 1078 (SearchManager) getSystemService(Context.SEARCH_SERVICE); 1079 searchManager.startSearch(initialQuery, selectInitialQuery, getComponentName(), 1080 appSearchData, globalSearch); 1081 } 1082 1083 @Override 1084 public boolean onCreateOptionsMenu(Menu menu) { 1085 if (isWorkspaceLocked()) { 1086 return false; 1087 } 1088 1089 super.onCreateOptionsMenu(menu); 1090 1091 menu.add(MENU_GROUP_ADD, MENU_ADD, 0, R.string.menu_add) 1092 .setIcon(android.R.drawable.ic_menu_add) 1093 .setAlphabeticShortcut('A'); 1094 menu.add(MENU_GROUP_WALLPAPER, MENU_WALLPAPER_SETTINGS, 0, R.string.menu_wallpaper) 1095 .setIcon(android.R.drawable.ic_menu_gallery) 1096 .setAlphabeticShortcut('W'); 1097 menu.add(0, MENU_SEARCH, 0, R.string.menu_search) 1098 .setIcon(android.R.drawable.ic_search_category_default) 1099 .setAlphabeticShortcut(SearchManager.MENU_KEY); 1100 menu.add(0, MENU_NOTIFICATIONS, 0, R.string.menu_notifications) 1101 .setIcon(com.android.internal.R.drawable.ic_menu_notifications) 1102 .setAlphabeticShortcut('N'); 1103 1104 final Intent settings = new Intent(android.provider.Settings.ACTION_SETTINGS); 1105 settings.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK | 1106 Intent.FLAG_ACTIVITY_RESET_TASK_IF_NEEDED); 1107 1108 menu.add(0, MENU_SETTINGS, 0, R.string.menu_settings) 1109 .setIcon(android.R.drawable.ic_menu_preferences).setAlphabeticShortcut('P') 1110 .setIntent(settings); 1111 1112 return true; 1113 } 1114 1115 @Override 1116 public boolean onPrepareOptionsMenu(Menu menu) { 1117 super.onPrepareOptionsMenu(menu); 1118 1119 // If all apps is animating, don't show the menu, because we don't know 1120 // which one to show. 1121 if (mAllAppsGrid.isVisible() && !mAllAppsGrid.isOpaque()) { 1122 return false; 1123 } 1124 1125 // Only show the add and wallpaper options when we're not in all apps. 1126 boolean visible = !mAllAppsGrid.isOpaque(); 1127 menu.setGroupVisible(MENU_GROUP_ADD, visible); 1128 menu.setGroupVisible(MENU_GROUP_WALLPAPER, visible); 1129 1130 // Disable add if the workspace is full. 1131 if (visible) { 1132 mMenuAddInfo = mWorkspace.findAllVacantCells(null); 1133 menu.setGroupEnabled(MENU_GROUP_ADD, mMenuAddInfo != null && mMenuAddInfo.valid); 1134 } 1135 1136 return true; 1137 } 1138 1139 @Override 1140 public boolean onOptionsItemSelected(MenuItem item) { 1141 switch (item.getItemId()) { 1142 case MENU_ADD: 1143 addItems(); 1144 return true; 1145 case MENU_WALLPAPER_SETTINGS: 1146 startWallpaper(); 1147 return true; 1148 case MENU_SEARCH: 1149 onSearchRequested(); 1150 return true; 1151 case MENU_NOTIFICATIONS: 1152 showNotifications(); 1153 return true; 1154 } 1155 1156 return super.onOptionsItemSelected(item); 1157 } 1158 1159 /** 1160 * Indicates that we want global search for this activity by setting the globalSearch 1161 * argument for {@link #startSearch} to true. 1162 */ 1163 1164 @Override 1165 public boolean onSearchRequested() { 1166 startSearch(null, false, null, true); 1167 return true; 1168 } 1169 1170 public boolean isWorkspaceLocked() { 1171 return mWorkspaceLoading || mWaitingForResult; 1172 } 1173 1174 private void addItems() { 1175 closeAllApps(true); 1176 showAddDialog(mMenuAddInfo); 1177 } 1178 1179 void addAppWidget(Intent data) { 1180 // TODO: catch bad widget exception when sent 1181 int appWidgetId = data.getIntExtra(AppWidgetManager.EXTRA_APPWIDGET_ID, -1); 1182 AppWidgetProviderInfo appWidget = mAppWidgetManager.getAppWidgetInfo(appWidgetId); 1183 1184 if (appWidget.configure != null) { 1185 // Launch over to configure widget, if needed 1186 Intent intent = new Intent(AppWidgetManager.ACTION_APPWIDGET_CONFIGURE); 1187 intent.setComponent(appWidget.configure); 1188 intent.putExtra(AppWidgetManager.EXTRA_APPWIDGET_ID, appWidgetId); 1189 1190 startActivityForResultSafely(intent, REQUEST_CREATE_APPWIDGET); 1191 } else { 1192 // Otherwise just add it 1193 onActivityResult(REQUEST_CREATE_APPWIDGET, Activity.RESULT_OK, data); 1194 } 1195 } 1196 1197 void processShortcut(Intent intent) { 1198 // Handle case where user selected "Applications" 1199 String applicationName = getResources().getString(R.string.group_applications); 1200 String shortcutName = intent.getStringExtra(Intent.EXTRA_SHORTCUT_NAME); 1201 1202 if (applicationName != null && applicationName.equals(shortcutName)) { 1203 Intent mainIntent = new Intent(Intent.ACTION_MAIN, null); 1204 mainIntent.addCategory(Intent.CATEGORY_LAUNCHER); 1205 1206 Intent pickIntent = new Intent(Intent.ACTION_PICK_ACTIVITY); 1207 pickIntent.putExtra(Intent.EXTRA_INTENT, mainIntent); 1208 startActivityForResult(pickIntent, REQUEST_PICK_APPLICATION); 1209 } else { 1210 startActivityForResult(intent, REQUEST_CREATE_SHORTCUT); 1211 } 1212 } 1213 1214 void addLiveFolder(Intent intent) { 1215 // Handle case where user selected "Folder" 1216 String folderName = getResources().getString(R.string.group_folder); 1217 String shortcutName = intent.getStringExtra(Intent.EXTRA_SHORTCUT_NAME); 1218 1219 if (folderName != null && folderName.equals(shortcutName)) { 1220 addFolder(); 1221 } else { 1222 startActivityForResult(intent, REQUEST_CREATE_LIVE_FOLDER); 1223 } 1224 } 1225 1226 void addFolder() { 1227 UserFolderInfo folderInfo = new UserFolderInfo(); 1228 folderInfo.title = getText(R.string.folder_name); 1229 1230 CellLayout.CellInfo cellInfo = mAddItemCellInfo; 1231 cellInfo.screen = mWorkspace.getCurrentScreen(); 1232 if (!findSingleSlot(cellInfo)) return; 1233 1234 // Update the model 1235 LauncherModel.addItemToDatabase(this, folderInfo, 1236 LauncherSettings.Favorites.CONTAINER_DESKTOP, 1237 mWorkspace.getCurrentScreen(), cellInfo.cellX, cellInfo.cellY, false); 1238 mFolders.put(folderInfo.id, folderInfo); 1239 1240 // Create the view 1241 FolderIcon newFolder = FolderIcon.fromXml(R.layout.folder_icon, this, 1242 (ViewGroup) mWorkspace.getChildAt(mWorkspace.getCurrentScreen()), folderInfo); 1243 mWorkspace.addInCurrentScreen(newFolder, 1244 cellInfo.cellX, cellInfo.cellY, 1, 1, isWorkspaceLocked()); 1245 } 1246 1247 void removeFolder(FolderInfo folder) { 1248 mFolders.remove(folder.id); 1249 } 1250 1251 private void completeAddLiveFolder(Intent data, CellLayout.CellInfo cellInfo) { 1252 cellInfo.screen = mWorkspace.getCurrentScreen(); 1253 if (!findSingleSlot(cellInfo)) return; 1254 1255 final LiveFolderInfo info = addLiveFolder(this, data, cellInfo, false); 1256 1257 if (!mRestoring) { 1258 final View view = LiveFolderIcon.fromXml(R.layout.live_folder_icon, this, 1259 (ViewGroup) mWorkspace.getChildAt(mWorkspace.getCurrentScreen()), info); 1260 mWorkspace.addInCurrentScreen(view, cellInfo.cellX, cellInfo.cellY, 1, 1, 1261 isWorkspaceLocked()); 1262 } 1263 } 1264 1265 static LiveFolderInfo addLiveFolder(Context context, Intent data, 1266 CellLayout.CellInfo cellInfo, boolean notify) { 1267 1268 Intent baseIntent = data.getParcelableExtra(LiveFolders.EXTRA_LIVE_FOLDER_BASE_INTENT); 1269 String name = data.getStringExtra(LiveFolders.EXTRA_LIVE_FOLDER_NAME); 1270 1271 Drawable icon = null; 1272 Intent.ShortcutIconResource iconResource = null; 1273 1274 Parcelable extra = data.getParcelableExtra(LiveFolders.EXTRA_LIVE_FOLDER_ICON); 1275 if (extra != null && extra instanceof Intent.ShortcutIconResource) { 1276 try { 1277 iconResource = (Intent.ShortcutIconResource) extra; 1278 final PackageManager packageManager = context.getPackageManager(); 1279 Resources resources = packageManager.getResourcesForApplication( 1280 iconResource.packageName); 1281 final int id = resources.getIdentifier(iconResource.resourceName, null, null); 1282 icon = resources.getDrawable(id); 1283 } catch (Exception e) { 1284 Log.w(TAG, "Could not load live folder icon: " + extra); 1285 } 1286 } 1287 1288 if (icon == null) { 1289 icon = context.getResources().getDrawable(R.drawable.ic_launcher_folder); 1290 } 1291 1292 final LiveFolderInfo info = new LiveFolderInfo(); 1293 info.icon = Utilities.createIconBitmap(icon, context); 1294 info.title = name; 1295 info.iconResource = iconResource; 1296 info.uri = data.getData(); 1297 info.baseIntent = baseIntent; 1298 info.displayMode = data.getIntExtra(LiveFolders.EXTRA_LIVE_FOLDER_DISPLAY_MODE, 1299 LiveFolders.DISPLAY_MODE_GRID); 1300 1301 LauncherModel.addItemToDatabase(context, info, LauncherSettings.Favorites.CONTAINER_DESKTOP, 1302 cellInfo.screen, cellInfo.cellX, cellInfo.cellY, notify); 1303 mFolders.put(info.id, info); 1304 1305 return info; 1306 } 1307 1308 private boolean findSingleSlot(CellLayout.CellInfo cellInfo) { 1309 final int[] xy = new int[2]; 1310 if (findSlot(cellInfo, xy, 1, 1)) { 1311 cellInfo.cellX = xy[0]; 1312 cellInfo.cellY = xy[1]; 1313 return true; 1314 } 1315 return false; 1316 } 1317 1318 private boolean findSlot(CellLayout.CellInfo cellInfo, int[] xy, int spanX, int spanY) { 1319 if (!cellInfo.findCellForSpan(xy, spanX, spanY)) { 1320 boolean[] occupied = mSavedState != null ? 1321 mSavedState.getBooleanArray(RUNTIME_STATE_PENDING_ADD_OCCUPIED_CELLS) : null; 1322 cellInfo = mWorkspace.findAllVacantCells(occupied); 1323 if (!cellInfo.findCellForSpan(xy, spanX, spanY)) { 1324 Toast.makeText(this, getString(R.string.out_of_space), Toast.LENGTH_SHORT).show(); 1325 return false; 1326 } 1327 } 1328 return true; 1329 } 1330 1331 private void showNotifications() { 1332 final StatusBarManager statusBar = (StatusBarManager) getSystemService(STATUS_BAR_SERVICE); 1333 if (statusBar != null) { 1334 statusBar.expand(); 1335 } 1336 } 1337 1338 private void startWallpaper() { 1339 closeAllApps(true); 1340 final Intent pickWallpaper = new Intent(Intent.ACTION_SET_WALLPAPER); 1341 Intent chooser = Intent.createChooser(pickWallpaper, 1342 getText(R.string.chooser_wallpaper)); 1343 // NOTE: Adds a configure option to the chooser if the wallpaper supports it 1344 // Removed in Eclair MR1 1345// WallpaperManager wm = (WallpaperManager) 1346// getSystemService(Context.WALLPAPER_SERVICE); 1347// WallpaperInfo wi = wm.getWallpaperInfo(); 1348// if (wi != null && wi.getSettingsActivity() != null) { 1349// LabeledIntent li = new LabeledIntent(getPackageName(), 1350// R.string.configure_wallpaper, 0); 1351// li.setClassName(wi.getPackageName(), wi.getSettingsActivity()); 1352// chooser.putExtra(Intent.EXTRA_INITIAL_INTENTS, new Intent[] { li }); 1353// } 1354 startActivityForResult(chooser, REQUEST_PICK_WALLPAPER); 1355 } 1356 1357 /** 1358 * Registers various content observers. The current implementation registers 1359 * only a favorites observer to keep track of the favorites applications. 1360 */ 1361 private void registerContentObservers() { 1362 ContentResolver resolver = getContentResolver(); 1363 resolver.registerContentObserver(LauncherProvider.CONTENT_APPWIDGET_RESET_URI, 1364 true, mWidgetObserver); 1365 } 1366 1367 @Override 1368 public boolean dispatchKeyEvent(KeyEvent event) { 1369 if (event.getAction() == KeyEvent.ACTION_DOWN) { 1370 switch (event.getKeyCode()) { 1371 case KeyEvent.KEYCODE_HOME: 1372 return true; 1373 case KeyEvent.KEYCODE_VOLUME_DOWN: 1374 if (SystemProperties.getInt("debug.launcher2.dumpstate", 0) != 0) { 1375 dumpState(); 1376 return true; 1377 } 1378 break; 1379 } 1380 } else if (event.getAction() == KeyEvent.ACTION_UP) { 1381 switch (event.getKeyCode()) { 1382 case KeyEvent.KEYCODE_HOME: 1383 return true; 1384 } 1385 } 1386 1387 return super.dispatchKeyEvent(event); 1388 } 1389 1390 @Override 1391 public void onBackPressed() { 1392 if (isAllAppsVisible()) { 1393 closeAllApps(true); 1394 } else { 1395 closeFolder(); 1396 } 1397 dismissPreview(mPreviousView); 1398 dismissPreview(mNextView); 1399 } 1400 1401 private void closeFolder() { 1402 Folder folder = mWorkspace.getOpenFolder(); 1403 if (folder != null) { 1404 closeFolder(folder); 1405 } 1406 } 1407 1408 void closeFolder(Folder folder) { 1409 folder.getInfo().opened = false; 1410 ViewGroup parent = (ViewGroup) folder.getParent(); 1411 if (parent != null) { 1412 parent.removeView(folder); 1413 if (folder instanceof DropTarget) { 1414 // Live folders aren't DropTargets. 1415 mDragController.removeDropTarget((DropTarget)folder); 1416 } 1417 } 1418 folder.onClose(); 1419 } 1420 1421 /** 1422 * Re-listen when widgets are reset. 1423 */ 1424 private void onAppWidgetReset() { 1425 mAppWidgetHost.startListening(); 1426 } 1427 1428 /** 1429 * Go through the and disconnect any of the callbacks in the drawables and the views or we 1430 * leak the previous Home screen on orientation change. 1431 */ 1432 private void unbindDesktopItems() { 1433 for (ItemInfo item: mDesktopItems) { 1434 item.unbind(); 1435 } 1436 } 1437 1438 /** 1439 * Launches the intent referred by the clicked shortcut. 1440 * 1441 * @param v The view representing the clicked shortcut. 1442 */ 1443 public void onClick(View v) { 1444 Object tag = v.getTag(); 1445 if (tag instanceof ShortcutInfo) { 1446 // Open shortcut 1447 final Intent intent = ((ShortcutInfo) tag).intent; 1448 int[] pos = new int[2]; 1449 v.getLocationOnScreen(pos); 1450 intent.setSourceBounds(new Rect(pos[0], pos[1], 1451 pos[0] + v.getWidth(), pos[1] + v.getHeight())); 1452 startActivitySafely(intent, tag); 1453 } else if (tag instanceof FolderInfo) { 1454 handleFolderClick((FolderInfo) tag); 1455 } else if (v == mHandleView) { 1456 if (isAllAppsVisible()) { 1457 closeAllApps(true); 1458 } else { 1459 showAllApps(true); 1460 } 1461 } 1462 } 1463 1464 void startActivitySafely(Intent intent, Object tag) { 1465 intent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK); 1466 try { 1467 startActivity(intent); 1468 } catch (ActivityNotFoundException e) { 1469 Toast.makeText(this, R.string.activity_not_found, Toast.LENGTH_SHORT).show(); 1470 Log.e(TAG, "Unable to launch. tag=" + tag + " intent=" + intent, e); 1471 } catch (SecurityException e) { 1472 Toast.makeText(this, R.string.activity_not_found, Toast.LENGTH_SHORT).show(); 1473 Log.e(TAG, "Launcher does not have the permission to launch " + intent + 1474 ". Make sure to create a MAIN intent-filter for the corresponding activity " + 1475 "or use the exported attribute for this activity. " 1476 + "tag="+ tag + " intent=" + intent, e); 1477 } 1478 } 1479 1480 void startActivityForResultSafely(Intent intent, int requestCode) { 1481 try { 1482 startActivityForResult(intent, requestCode); 1483 } catch (ActivityNotFoundException e) { 1484 Toast.makeText(this, R.string.activity_not_found, Toast.LENGTH_SHORT).show(); 1485 } catch (SecurityException e) { 1486 Toast.makeText(this, R.string.activity_not_found, Toast.LENGTH_SHORT).show(); 1487 Log.e(TAG, "Launcher does not have the permission to launch " + intent + 1488 ". Make sure to create a MAIN intent-filter for the corresponding activity " + 1489 "or use the exported attribute for this activity.", e); 1490 } 1491 } 1492 1493 private void handleFolderClick(FolderInfo folderInfo) { 1494 if (!folderInfo.opened) { 1495 // Close any open folder 1496 closeFolder(); 1497 // Open the requested folder 1498 openFolder(folderInfo); 1499 } else { 1500 // Find the open folder... 1501 Folder openFolder = mWorkspace.getFolderForTag(folderInfo); 1502 int folderScreen; 1503 if (openFolder != null) { 1504 folderScreen = mWorkspace.getScreenForView(openFolder); 1505 // .. and close it 1506 closeFolder(openFolder); 1507 if (folderScreen != mWorkspace.getCurrentScreen()) { 1508 // Close any folder open on the current screen 1509 closeFolder(); 1510 // Pull the folder onto this screen 1511 openFolder(folderInfo); 1512 } 1513 } 1514 } 1515 } 1516 1517 /** 1518 * Opens the user fodler described by the specified tag. The opening of the folder 1519 * is animated relative to the specified View. If the View is null, no animation 1520 * is played. 1521 * 1522 * @param folderInfo The FolderInfo describing the folder to open. 1523 */ 1524 private void openFolder(FolderInfo folderInfo) { 1525 Folder openFolder; 1526 1527 if (folderInfo instanceof UserFolderInfo) { 1528 openFolder = UserFolder.fromXml(this); 1529 } else if (folderInfo instanceof LiveFolderInfo) { 1530 openFolder = com.android.launcher2.LiveFolder.fromXml(this, folderInfo); 1531 } else { 1532 return; 1533 } 1534 1535 openFolder.setDragController(mDragController); 1536 openFolder.setLauncher(this); 1537 1538 openFolder.bind(folderInfo); 1539 folderInfo.opened = true; 1540 1541 mWorkspace.addInScreen(openFolder, folderInfo.screen, 0, 0, 4, 4); 1542 openFolder.onOpen(); 1543 } 1544 1545 public boolean onLongClick(View v) { 1546 switch (v.getId()) { 1547 case R.id.previous_screen: 1548 if (!isAllAppsVisible()) { 1549 mWorkspace.performHapticFeedback(HapticFeedbackConstants.LONG_PRESS, 1550 HapticFeedbackConstants.FLAG_IGNORE_VIEW_SETTING); 1551 showPreviews(v); 1552 } 1553 return true; 1554 case R.id.next_screen: 1555 if (!isAllAppsVisible()) { 1556 mWorkspace.performHapticFeedback(HapticFeedbackConstants.LONG_PRESS, 1557 HapticFeedbackConstants.FLAG_IGNORE_VIEW_SETTING); 1558 showPreviews(v); 1559 } 1560 return true; 1561 case R.id.all_apps_button: 1562 if (!isAllAppsVisible()) { 1563 mWorkspace.performHapticFeedback(HapticFeedbackConstants.LONG_PRESS, 1564 HapticFeedbackConstants.FLAG_IGNORE_VIEW_SETTING); 1565 showPreviews(v); 1566 } 1567 return true; 1568 } 1569 1570 if (isWorkspaceLocked()) { 1571 return false; 1572 } 1573 1574 if (!(v instanceof CellLayout)) { 1575 v = (View) v.getParent(); 1576 } 1577 1578 CellLayout.CellInfo cellInfo = (CellLayout.CellInfo) v.getTag(); 1579 1580 // This happens when long clicking an item with the dpad/trackball 1581 if (cellInfo == null) { 1582 return true; 1583 } 1584 1585 if (mWorkspace.allowLongPress()) { 1586 if (cellInfo.cell == null) { 1587 if (cellInfo.valid) { 1588 // User long pressed on empty space 1589 mWorkspace.setAllowLongPress(false); 1590 mWorkspace.performHapticFeedback(HapticFeedbackConstants.LONG_PRESS, 1591 HapticFeedbackConstants.FLAG_IGNORE_VIEW_SETTING); 1592 showAddDialog(cellInfo); 1593 } 1594 } else { 1595 if (!(cellInfo.cell instanceof Folder)) { 1596 // User long pressed on an item 1597 mWorkspace.performHapticFeedback(HapticFeedbackConstants.LONG_PRESS, 1598 HapticFeedbackConstants.FLAG_IGNORE_VIEW_SETTING); 1599 mWorkspace.startDrag(cellInfo); 1600 } 1601 } 1602 } 1603 return true; 1604 } 1605 1606 @SuppressWarnings({"unchecked"}) 1607 private void dismissPreview(final View v) { 1608 final PopupWindow window = (PopupWindow) v.getTag(); 1609 if (window != null) { 1610 window.setOnDismissListener(new PopupWindow.OnDismissListener() { 1611 public void onDismiss() { 1612 ViewGroup group = (ViewGroup) v.getTag(R.id.workspace); 1613 int count = group.getChildCount(); 1614 for (int i = 0; i < count; i++) { 1615 ((ImageView) group.getChildAt(i)).setImageDrawable(null); 1616 } 1617 ArrayList<Bitmap> bitmaps = (ArrayList<Bitmap>) v.getTag(R.id.icon); 1618 for (Bitmap bitmap : bitmaps) bitmap.recycle(); 1619 1620 v.setTag(R.id.workspace, null); 1621 v.setTag(R.id.icon, null); 1622 window.setOnDismissListener(null); 1623 } 1624 }); 1625 window.dismiss(); 1626 } 1627 v.setTag(null); 1628 } 1629 1630 private void showPreviews(View anchor) { 1631 showPreviews(anchor, 0, mWorkspace.getChildCount()); 1632 } 1633 1634 private void showPreviews(final View anchor, int start, int end) { 1635 final Resources resources = getResources(); 1636 final Workspace workspace = mWorkspace; 1637 1638 CellLayout cell = ((CellLayout) workspace.getChildAt(start)); 1639 1640 float max = workspace.getChildCount(); 1641 1642 final Rect r = new Rect(); 1643 resources.getDrawable(R.drawable.preview_background).getPadding(r); 1644 int extraW = (int) ((r.left + r.right) * max); 1645 int extraH = r.top + r.bottom; 1646 1647 int aW = cell.getWidth() - extraW; 1648 float w = aW / max; 1649 1650 int width = cell.getWidth(); 1651 int height = cell.getHeight(); 1652 int x = cell.getLeftPadding(); 1653 int y = cell.getTopPadding(); 1654 width -= (x + cell.getRightPadding()); 1655 height -= (y + cell.getBottomPadding()); 1656 1657 float scale = w / width; 1658 1659 int count = end - start; 1660 1661 final float sWidth = width * scale; 1662 float sHeight = height * scale; 1663 1664 LinearLayout preview = new LinearLayout(this); 1665 1666 PreviewTouchHandler handler = new PreviewTouchHandler(anchor); 1667 ArrayList<Bitmap> bitmaps = new ArrayList<Bitmap>(count); 1668 1669 for (int i = start; i < end; i++) { 1670 ImageView image = new ImageView(this); 1671 cell = (CellLayout) workspace.getChildAt(i); 1672 1673 final Bitmap bitmap = Bitmap.createBitmap((int) sWidth, (int) sHeight, 1674 Bitmap.Config.ARGB_8888); 1675 1676 final Canvas c = new Canvas(bitmap); 1677 c.scale(scale, scale); 1678 c.translate(-cell.getLeftPadding(), -cell.getTopPadding()); 1679 cell.dispatchDraw(c); 1680 1681 image.setBackgroundDrawable(resources.getDrawable(R.drawable.preview_background)); 1682 image.setImageBitmap(bitmap); 1683 image.setTag(i); 1684 image.setOnClickListener(handler); 1685 image.setOnFocusChangeListener(handler); 1686 image.setFocusable(true); 1687 if (i == mWorkspace.getCurrentScreen()) image.requestFocus(); 1688 1689 preview.addView(image, 1690 LinearLayout.LayoutParams.WRAP_CONTENT, LinearLayout.LayoutParams.WRAP_CONTENT); 1691 1692 bitmaps.add(bitmap); 1693 } 1694 1695 final PopupWindow p = new PopupWindow(this); 1696 p.setContentView(preview); 1697 p.setWidth((int) (sWidth * count + extraW)); 1698 p.setHeight((int) (sHeight + extraH)); 1699 p.setAnimationStyle(R.style.AnimationPreview); 1700 p.setOutsideTouchable(true); 1701 p.setFocusable(true); 1702 p.setBackgroundDrawable(new ColorDrawable(0)); 1703 p.showAsDropDown(anchor, 0, 0); 1704 1705 p.setOnDismissListener(new PopupWindow.OnDismissListener() { 1706 public void onDismiss() { 1707 dismissPreview(anchor); 1708 } 1709 }); 1710 1711 anchor.setTag(p); 1712 anchor.setTag(R.id.workspace, preview); 1713 anchor.setTag(R.id.icon, bitmaps); 1714 } 1715 1716 class PreviewTouchHandler implements View.OnClickListener, Runnable, View.OnFocusChangeListener { 1717 private final View mAnchor; 1718 1719 public PreviewTouchHandler(View anchor) { 1720 mAnchor = anchor; 1721 } 1722 1723 public void onClick(View v) { 1724 mWorkspace.snapToScreen((Integer) v.getTag()); 1725 v.post(this); 1726 } 1727 1728 public void run() { 1729 dismissPreview(mAnchor); 1730 } 1731 1732 public void onFocusChange(View v, boolean hasFocus) { 1733 if (hasFocus) { 1734 mWorkspace.snapToScreen((Integer) v.getTag()); 1735 } 1736 } 1737 } 1738 1739 Workspace getWorkspace() { 1740 return mWorkspace; 1741 } 1742 1743 @Override 1744 protected Dialog onCreateDialog(int id) { 1745 switch (id) { 1746 case DIALOG_CREATE_SHORTCUT: 1747 return new CreateShortcut().createDialog(); 1748 case DIALOG_RENAME_FOLDER: 1749 return new RenameFolder().createDialog(); 1750 } 1751 1752 return super.onCreateDialog(id); 1753 } 1754 1755 @Override 1756 protected void onPrepareDialog(int id, Dialog dialog) { 1757 switch (id) { 1758 case DIALOG_CREATE_SHORTCUT: 1759 break; 1760 case DIALOG_RENAME_FOLDER: 1761 if (mFolderInfo != null) { 1762 EditText input = (EditText) dialog.findViewById(R.id.folder_name); 1763 final CharSequence text = mFolderInfo.title; 1764 input.setText(text); 1765 input.setSelection(0, text.length()); 1766 } 1767 break; 1768 } 1769 } 1770 1771 void showRenameDialog(FolderInfo info) { 1772 mFolderInfo = info; 1773 mWaitingForResult = true; 1774 showDialog(DIALOG_RENAME_FOLDER); 1775 } 1776 1777 private void showAddDialog(CellLayout.CellInfo cellInfo) { 1778 mAddItemCellInfo = cellInfo; 1779 mWaitingForResult = true; 1780 showDialog(DIALOG_CREATE_SHORTCUT); 1781 } 1782 1783 private void pickShortcut() { 1784 Bundle bundle = new Bundle(); 1785 1786 ArrayList<String> shortcutNames = new ArrayList<String>(); 1787 shortcutNames.add(getString(R.string.group_applications)); 1788 bundle.putStringArrayList(Intent.EXTRA_SHORTCUT_NAME, shortcutNames); 1789 1790 ArrayList<ShortcutIconResource> shortcutIcons = new ArrayList<ShortcutIconResource>(); 1791 shortcutIcons.add(ShortcutIconResource.fromContext(Launcher.this, 1792 R.drawable.ic_launcher_application)); 1793 bundle.putParcelableArrayList(Intent.EXTRA_SHORTCUT_ICON_RESOURCE, shortcutIcons); 1794 1795 Intent pickIntent = new Intent(Intent.ACTION_PICK_ACTIVITY); 1796 pickIntent.putExtra(Intent.EXTRA_INTENT, new Intent(Intent.ACTION_CREATE_SHORTCUT)); 1797 pickIntent.putExtra(Intent.EXTRA_TITLE, getText(R.string.title_select_shortcut)); 1798 pickIntent.putExtras(bundle); 1799 1800 startActivityForResult(pickIntent, REQUEST_PICK_SHORTCUT); 1801 } 1802 1803 private class RenameFolder { 1804 private EditText mInput; 1805 1806 Dialog createDialog() { 1807 final View layout = View.inflate(Launcher.this, R.layout.rename_folder, null); 1808 mInput = (EditText) layout.findViewById(R.id.folder_name); 1809 1810 AlertDialog.Builder builder = new AlertDialog.Builder(Launcher.this); 1811 builder.setIcon(0); 1812 builder.setTitle(getString(R.string.rename_folder_title)); 1813 builder.setCancelable(true); 1814 builder.setOnCancelListener(new Dialog.OnCancelListener() { 1815 public void onCancel(DialogInterface dialog) { 1816 cleanup(); 1817 } 1818 }); 1819 builder.setNegativeButton(getString(R.string.cancel_action), 1820 new Dialog.OnClickListener() { 1821 public void onClick(DialogInterface dialog, int which) { 1822 cleanup(); 1823 } 1824 } 1825 ); 1826 builder.setPositiveButton(getString(R.string.rename_action), 1827 new Dialog.OnClickListener() { 1828 public void onClick(DialogInterface dialog, int which) { 1829 changeFolderName(); 1830 } 1831 } 1832 ); 1833 builder.setView(layout); 1834 1835 final AlertDialog dialog = builder.create(); 1836 dialog.setOnShowListener(new DialogInterface.OnShowListener() { 1837 public void onShow(DialogInterface dialog) { 1838 mWaitingForResult = true; 1839 mInput.requestFocus(); 1840 InputMethodManager inputManager = (InputMethodManager) 1841 getSystemService(Context.INPUT_METHOD_SERVICE); 1842 inputManager.showSoftInput(mInput, 0); 1843 } 1844 }); 1845 1846 return dialog; 1847 } 1848 1849 private void changeFolderName() { 1850 final String name = mInput.getText().toString(); 1851 if (!TextUtils.isEmpty(name)) { 1852 // Make sure we have the right folder info 1853 mFolderInfo = mFolders.get(mFolderInfo.id); 1854 mFolderInfo.title = name; 1855 LauncherModel.updateItemInDatabase(Launcher.this, mFolderInfo); 1856 1857 if (mWorkspaceLoading) { 1858 lockAllApps(); 1859 mModel.setWorkspaceDirty(); 1860 mModel.startLoader(Launcher.this, false); 1861 } else { 1862 final FolderIcon folderIcon = (FolderIcon) 1863 mWorkspace.getViewForTag(mFolderInfo); 1864 if (folderIcon != null) { 1865 folderIcon.setText(name); 1866 getWorkspace().requestLayout(); 1867 } else { 1868 lockAllApps(); 1869 mModel.setWorkspaceDirty(); 1870 mWorkspaceLoading = true; 1871 mModel.startLoader(Launcher.this, false); 1872 } 1873 } 1874 } 1875 cleanup(); 1876 } 1877 1878 private void cleanup() { 1879 dismissDialog(DIALOG_RENAME_FOLDER); 1880 mWaitingForResult = false; 1881 mFolderInfo = null; 1882 } 1883 } 1884 1885 // Now a part of LauncherModel.Callbacks. Used to reorder loading steps. 1886 public boolean isAllAppsVisible() { 1887 return (mAllAppsGrid != null) ? mAllAppsGrid.isVisible() : false; 1888 } 1889 1890 // AllAppsView.Watcher 1891 public void zoomed(float zoom) { 1892 if (zoom == 1.0f) { 1893 mWorkspace.setVisibility(View.GONE); 1894 } 1895 } 1896 1897 void showAllApps(boolean animated) { 1898 mAllAppsGrid.zoom(1.0f, animated); 1899 1900 ((View) mAllAppsGrid).setFocusable(true); 1901 ((View) mAllAppsGrid).requestFocus(); 1902 1903 // TODO: fade these two too 1904 mDeleteZone.setVisibility(View.GONE); 1905 } 1906 1907 /** 1908 * Things to test when changing this code. 1909 * - Home from workspace 1910 * - from center screen 1911 * - from other screens 1912 * - Home from all apps 1913 * - from center screen 1914 * - from other screens 1915 * - Back from all apps 1916 * - from center screen 1917 * - from other screens 1918 * - Launch app from workspace and quit 1919 * - with back 1920 * - with home 1921 * - Launch app from all apps and quit 1922 * - with back 1923 * - with home 1924 * - Go to a screen that's not the default, then all 1925 * apps, and launch and app, and go back 1926 * - with back 1927 * -with home 1928 * - On workspace, long press power and go back 1929 * - with back 1930 * - with home 1931 * - On all apps, long press power and go back 1932 * - with back 1933 * - with home 1934 * - On workspace, power off 1935 * - On all apps, power off 1936 * - Launch an app and turn off the screen while in that app 1937 * - Go back with home key 1938 * - Go back with back key TODO: make this not go to workspace 1939 * - From all apps 1940 * - From workspace 1941 * - Enter and exit car mode (becuase it causes an extra configuration changed) 1942 * - From all apps 1943 * - From the center workspace 1944 * - From another workspace 1945 */ 1946 void closeAllApps(boolean animated) { 1947 if (mAllAppsGrid.isVisible()) { 1948 mWorkspace.setVisibility(View.VISIBLE); 1949 mAllAppsGrid.zoom(0.0f, animated); 1950 ((View)mAllAppsGrid).setFocusable(false); 1951 mWorkspace.getChildAt(mWorkspace.getCurrentScreen()).requestFocus(); 1952 } 1953 } 1954 1955 void lockAllApps() { 1956 // TODO 1957 } 1958 1959 void unlockAllApps() { 1960 // TODO 1961 } 1962 1963 /** 1964 * Displays the shortcut creation dialog and launches, if necessary, the 1965 * appropriate activity. 1966 */ 1967 private class CreateShortcut implements DialogInterface.OnClickListener, 1968 DialogInterface.OnCancelListener, DialogInterface.OnDismissListener, 1969 DialogInterface.OnShowListener { 1970 1971 private AddAdapter mAdapter; 1972 1973 Dialog createDialog() { 1974 mAdapter = new AddAdapter(Launcher.this); 1975 1976 final AlertDialog.Builder builder = new AlertDialog.Builder(Launcher.this); 1977 builder.setTitle(getString(R.string.menu_item_add_item)); 1978 builder.setAdapter(mAdapter, this); 1979 1980 builder.setInverseBackgroundForced(true); 1981 1982 AlertDialog dialog = builder.create(); 1983 dialog.setOnCancelListener(this); 1984 dialog.setOnDismissListener(this); 1985 dialog.setOnShowListener(this); 1986 1987 return dialog; 1988 } 1989 1990 public void onCancel(DialogInterface dialog) { 1991 mWaitingForResult = false; 1992 cleanup(); 1993 } 1994 1995 public void onDismiss(DialogInterface dialog) { 1996 } 1997 1998 private void cleanup() { 1999 try { 2000 dismissDialog(DIALOG_CREATE_SHORTCUT); 2001 } catch (Exception e) { 2002 // An exception is thrown if the dialog is not visible, which is fine 2003 } 2004 } 2005 2006 /** 2007 * Handle the action clicked in the "Add to home" dialog. 2008 */ 2009 public void onClick(DialogInterface dialog, int which) { 2010 Resources res = getResources(); 2011 cleanup(); 2012 2013 switch (which) { 2014 case AddAdapter.ITEM_SHORTCUT: { 2015 // Insert extra item to handle picking application 2016 pickShortcut(); 2017 break; 2018 } 2019 2020 case AddAdapter.ITEM_APPWIDGET: { 2021 int appWidgetId = Launcher.this.mAppWidgetHost.allocateAppWidgetId(); 2022 2023 Intent pickIntent = new Intent(AppWidgetManager.ACTION_APPWIDGET_PICK); 2024 pickIntent.putExtra(AppWidgetManager.EXTRA_APPWIDGET_ID, appWidgetId); 2025 // start the pick activity 2026 startActivityForResult(pickIntent, REQUEST_PICK_APPWIDGET); 2027 break; 2028 } 2029 2030 case AddAdapter.ITEM_LIVE_FOLDER: { 2031 // Insert extra item to handle inserting folder 2032 Bundle bundle = new Bundle(); 2033 2034 ArrayList<String> shortcutNames = new ArrayList<String>(); 2035 shortcutNames.add(res.getString(R.string.group_folder)); 2036 bundle.putStringArrayList(Intent.EXTRA_SHORTCUT_NAME, shortcutNames); 2037 2038 ArrayList<ShortcutIconResource> shortcutIcons = 2039 new ArrayList<ShortcutIconResource>(); 2040 shortcutIcons.add(ShortcutIconResource.fromContext(Launcher.this, 2041 R.drawable.ic_launcher_folder)); 2042 bundle.putParcelableArrayList(Intent.EXTRA_SHORTCUT_ICON_RESOURCE, shortcutIcons); 2043 2044 Intent pickIntent = new Intent(Intent.ACTION_PICK_ACTIVITY); 2045 pickIntent.putExtra(Intent.EXTRA_INTENT, 2046 new Intent(LiveFolders.ACTION_CREATE_LIVE_FOLDER)); 2047 pickIntent.putExtra(Intent.EXTRA_TITLE, 2048 getText(R.string.title_select_live_folder)); 2049 pickIntent.putExtras(bundle); 2050 2051 startActivityForResult(pickIntent, REQUEST_PICK_LIVE_FOLDER); 2052 break; 2053 } 2054 2055 case AddAdapter.ITEM_WALLPAPER: { 2056 startWallpaper(); 2057 break; 2058 } 2059 } 2060 } 2061 2062 public void onShow(DialogInterface dialog) { 2063 mWaitingForResult = true; 2064 } 2065 } 2066 2067 /** 2068 * Receives notifications when applications are added/removed. 2069 */ 2070 private class CloseSystemDialogsIntentReceiver extends BroadcastReceiver { 2071 @Override 2072 public void onReceive(Context context, Intent intent) { 2073 closeSystemDialogs(); 2074 String reason = intent.getStringExtra("reason"); 2075 if (!"homekey".equals(reason)) { 2076 boolean animate = true; 2077 if (mPaused || "lock".equals(reason)) { 2078 animate = false; 2079 } 2080 closeAllApps(animate); 2081 } 2082 } 2083 } 2084 2085 /** 2086 * Receives notifications whenever the appwidgets are reset. 2087 */ 2088 private class AppWidgetResetObserver extends ContentObserver { 2089 public AppWidgetResetObserver() { 2090 super(new Handler()); 2091 } 2092 2093 @Override 2094 public void onChange(boolean selfChange) { 2095 onAppWidgetReset(); 2096 } 2097 } 2098 2099 /** 2100 * Implementation of the method from LauncherModel.Callbacks. 2101 */ 2102 public int getCurrentWorkspaceScreen() { 2103 return mWorkspace.getCurrentScreen(); 2104 } 2105 2106 /** 2107 * Refreshes the shortcuts shown on the workspace. 2108 * 2109 * Implementation of the method from LauncherModel.Callbacks. 2110 */ 2111 public void startBinding() { 2112 final Workspace workspace = mWorkspace; 2113 int count = workspace.getChildCount(); 2114 for (int i = 0; i < count; i++) { 2115 // Use removeAllViewsInLayout() to avoid an extra requestLayout() and invalidate(). 2116 ((ViewGroup) workspace.getChildAt(i)).removeAllViewsInLayout(); 2117 } 2118 2119 if (DEBUG_USER_INTERFACE) { 2120 android.widget.Button finishButton = new android.widget.Button(this); 2121 finishButton.setText("Finish"); 2122 workspace.addInScreen(finishButton, 1, 0, 0, 1, 1); 2123 2124 finishButton.setOnClickListener(new android.widget.Button.OnClickListener() { 2125 public void onClick(View v) { 2126 finish(); 2127 } 2128 }); 2129 } 2130 } 2131 2132 /** 2133 * Bind the items start-end from the list. 2134 * 2135 * Implementation of the method from LauncherModel.Callbacks. 2136 */ 2137 public void bindItems(ArrayList<ItemInfo> shortcuts, int start, int end) { 2138 2139 final Workspace workspace = mWorkspace; 2140 2141 for (int i=start; i<end; i++) { 2142 final ItemInfo item = shortcuts.get(i); 2143 mDesktopItems.add(item); 2144 switch (item.itemType) { 2145 case LauncherSettings.Favorites.ITEM_TYPE_APPLICATION: 2146 case LauncherSettings.Favorites.ITEM_TYPE_SHORTCUT: 2147 final View shortcut = createShortcut((ShortcutInfo)item); 2148 workspace.addInScreen(shortcut, item.screen, item.cellX, item.cellY, 1, 1, 2149 false); 2150 break; 2151 case LauncherSettings.Favorites.ITEM_TYPE_USER_FOLDER: 2152 final FolderIcon newFolder = FolderIcon.fromXml(R.layout.folder_icon, this, 2153 (ViewGroup) workspace.getChildAt(workspace.getCurrentScreen()), 2154 (UserFolderInfo) item); 2155 workspace.addInScreen(newFolder, item.screen, item.cellX, item.cellY, 1, 1, 2156 false); 2157 break; 2158 case LauncherSettings.Favorites.ITEM_TYPE_LIVE_FOLDER: 2159 final FolderIcon newLiveFolder = LiveFolderIcon.fromXml( 2160 R.layout.live_folder_icon, this, 2161 (ViewGroup) workspace.getChildAt(workspace.getCurrentScreen()), 2162 (LiveFolderInfo) item); 2163 workspace.addInScreen(newLiveFolder, item.screen, item.cellX, item.cellY, 1, 1, 2164 false); 2165 break; 2166 } 2167 } 2168 2169 workspace.requestLayout(); 2170 } 2171 2172 /** 2173 * Implementation of the method from LauncherModel.Callbacks. 2174 */ 2175 public void bindFolders(HashMap<Long, FolderInfo> folders) { 2176 mFolders.clear(); 2177 mFolders.putAll(folders); 2178 } 2179 2180 /** 2181 * Add the views for a widget to the workspace. 2182 * 2183 * Implementation of the method from LauncherModel.Callbacks. 2184 */ 2185 public void bindAppWidget(LauncherAppWidgetInfo item) { 2186 final long start = DEBUG_WIDGETS ? SystemClock.uptimeMillis() : 0; 2187 if (DEBUG_WIDGETS) { 2188 Log.d(TAG, "bindAppWidget: " + item); 2189 } 2190 final Workspace workspace = mWorkspace; 2191 2192 final int appWidgetId = item.appWidgetId; 2193 final AppWidgetProviderInfo appWidgetInfo = mAppWidgetManager.getAppWidgetInfo(appWidgetId); 2194 if (DEBUG_WIDGETS) { 2195 Log.d(TAG, "bindAppWidget: id=" + item.appWidgetId + " belongs to component " + appWidgetInfo.provider); 2196 } 2197 2198 item.hostView = mAppWidgetHost.createView(this, appWidgetId, appWidgetInfo); 2199 2200 item.hostView.setAppWidget(appWidgetId, appWidgetInfo); 2201 item.hostView.setTag(item); 2202 2203 workspace.addInScreen(item.hostView, item.screen, item.cellX, 2204 item.cellY, item.spanX, item.spanY, false); 2205 2206 workspace.requestLayout(); 2207 2208 mDesktopItems.add(item); 2209 2210 if (DEBUG_WIDGETS) { 2211 Log.d(TAG, "bound widget id="+item.appWidgetId+" in " 2212 + (SystemClock.uptimeMillis()-start) + "ms"); 2213 } 2214 } 2215 2216 /** 2217 * Callback saying that there aren't any more items to bind. 2218 * 2219 * Implementation of the method from LauncherModel.Callbacks. 2220 */ 2221 public void finishBindingItems() { 2222 if (mSavedState != null) { 2223 if (!mWorkspace.hasFocus()) { 2224 mWorkspace.getChildAt(mWorkspace.getCurrentScreen()).requestFocus(); 2225 } 2226 2227 final long[] userFolders = mSavedState.getLongArray(RUNTIME_STATE_USER_FOLDERS); 2228 if (userFolders != null) { 2229 for (long folderId : userFolders) { 2230 final FolderInfo info = mFolders.get(folderId); 2231 if (info != null) { 2232 openFolder(info); 2233 } 2234 } 2235 final Folder openFolder = mWorkspace.getOpenFolder(); 2236 if (openFolder != null) { 2237 openFolder.requestFocus(); 2238 } 2239 } 2240 2241 mSavedState = null; 2242 } 2243 2244 if (mSavedInstanceState != null) { 2245 super.onRestoreInstanceState(mSavedInstanceState); 2246 mSavedInstanceState = null; 2247 } 2248 2249 mWorkspaceLoading = false; 2250 } 2251 2252 /** 2253 * Add the icons for all apps. 2254 * 2255 * Implementation of the method from LauncherModel.Callbacks. 2256 */ 2257 public void bindAllApplications(ArrayList<ApplicationInfo> apps) { 2258 mAllAppsGrid.setApps(apps); 2259 } 2260 2261 /** 2262 * A package was installed. 2263 * 2264 * Implementation of the method from LauncherModel.Callbacks. 2265 */ 2266 public void bindAppsAdded(ArrayList<ApplicationInfo> apps) { 2267 removeDialog(DIALOG_CREATE_SHORTCUT); 2268 mAllAppsGrid.addApps(apps); 2269 } 2270 2271 /** 2272 * A package was updated. 2273 * 2274 * Implementation of the method from LauncherModel.Callbacks. 2275 */ 2276 public void bindAppsUpdated(ArrayList<ApplicationInfo> apps) { 2277 removeDialog(DIALOG_CREATE_SHORTCUT); 2278 mWorkspace.updateShortcuts(apps); 2279 mAllAppsGrid.updateApps(apps); 2280 } 2281 2282 /** 2283 * A package was uninstalled. 2284 * 2285 * Implementation of the method from LauncherModel.Callbacks. 2286 */ 2287 public void bindAppsRemoved(ArrayList<ApplicationInfo> apps) { 2288 removeDialog(DIALOG_CREATE_SHORTCUT); 2289 mWorkspace.removeItems(apps); 2290 mAllAppsGrid.removeApps(apps); 2291 } 2292 2293 /** 2294 * Prints out out state for debugging. 2295 */ 2296 public void dumpState() { 2297 Log.d(TAG, "BEGIN launcher2 dump state for launcher " + this); 2298 Log.d(TAG, "mSavedState=" + mSavedState); 2299 Log.d(TAG, "mWorkspaceLoading=" + mWorkspaceLoading); 2300 Log.d(TAG, "mRestoring=" + mRestoring); 2301 Log.d(TAG, "mWaitingForResult=" + mWaitingForResult); 2302 Log.d(TAG, "mSavedInstanceState=" + mSavedInstanceState); 2303 Log.d(TAG, "mDesktopItems.size=" + mDesktopItems.size()); 2304 Log.d(TAG, "mFolders.size=" + mFolders.size()); 2305 mModel.dumpState(); 2306 mAllAppsGrid.dumpState(); 2307 Log.d(TAG, "END launcher2 dump state"); 2308 } 2309} 2310