Launcher.java revision 4a79a04bcd5f8c4d4fab7bcc46eea9e19a3dc63e
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.AsyncTask; 50import android.os.Bundle; 51import android.os.Handler; 52import android.os.Parcelable; 53import android.os.SystemClock; 54import android.os.SystemProperties; 55import android.provider.LiveFolders; 56import android.text.Selection; 57import android.text.SpannableStringBuilder; 58import android.text.TextUtils; 59import android.text.method.TextKeyListener; 60import android.util.Log; 61import android.view.Display; 62import android.view.HapticFeedbackConstants; 63import android.view.KeyEvent; 64import android.view.LayoutInflater; 65import android.view.Menu; 66import android.view.MenuItem; 67import android.view.View; 68import android.view.ViewGroup; 69import android.view.View.OnLongClickListener; 70import android.view.inputmethod.InputMethodManager; 71import android.widget.EditText; 72import android.widget.TextView; 73import android.widget.Toast; 74import android.widget.ImageView; 75import android.widget.PopupWindow; 76import android.widget.LinearLayout; 77import android.appwidget.AppWidgetManager; 78import android.appwidget.AppWidgetProviderInfo; 79 80import java.util.ArrayList; 81import java.util.List; 82import java.util.HashMap; 83import java.io.DataOutputStream; 84import java.io.FileNotFoundException; 85import java.io.IOException; 86import java.io.DataInputStream; 87 88import com.android.launcher.R; 89 90/** 91 * Default launcher application. 92 */ 93public final class Launcher extends Activity 94 implements View.OnClickListener, OnLongClickListener, LauncherModel.Callbacks, AllAppsView.Watcher { 95 static final String TAG = "Launcher"; 96 static final boolean LOGD = false; 97 98 static final boolean PROFILE_STARTUP = false; 99 static final boolean DEBUG_WIDGETS = false; 100 static final boolean DEBUG_USER_INTERFACE = false; 101 102 private static final int WALLPAPER_SCREENS_SPAN = 2; 103 104 private static final int MENU_GROUP_ADD = 1; 105 private static final int MENU_GROUP_WALLPAPER = MENU_GROUP_ADD + 1; 106 107 private static final int MENU_ADD = Menu.FIRST + 1; 108 private static final int MENU_WALLPAPER_SETTINGS = MENU_ADD + 1; 109 private static final int MENU_SEARCH = MENU_WALLPAPER_SETTINGS + 1; 110 private static final int MENU_NOTIFICATIONS = MENU_SEARCH + 1; 111 private static final int MENU_SETTINGS = MENU_NOTIFICATIONS + 1; 112 113 private static final int REQUEST_CREATE_SHORTCUT = 1; 114 private static final int REQUEST_CREATE_LIVE_FOLDER = 4; 115 private static final int REQUEST_CREATE_APPWIDGET = 5; 116 private static final int REQUEST_PICK_APPLICATION = 6; 117 private static final int REQUEST_PICK_SHORTCUT = 7; 118 private static final int REQUEST_PICK_LIVE_FOLDER = 8; 119 private static final int REQUEST_PICK_APPWIDGET = 9; 120 private static final int REQUEST_PICK_WALLPAPER = 10; 121 122 static final String EXTRA_SHORTCUT_DUPLICATE = "duplicate"; 123 124 static final int SCREEN_COUNT = 5; 125 static final int DEFAULT_SCREEN = 2; 126 static final int NUMBER_CELLS_X = 4; 127 static final int NUMBER_CELLS_Y = 4; 128 129 static final int DIALOG_CREATE_SHORTCUT = 1; 130 static final int DIALOG_RENAME_FOLDER = 2; 131 132 private static final String PREFERENCES = "launcher.preferences"; 133 134 // Type: int 135 private static final String RUNTIME_STATE_CURRENT_SCREEN = "launcher.current_screen"; 136 // Type: boolean 137 private static final String RUNTIME_STATE_ALL_APPS_FOLDER = "launcher.all_apps_folder"; 138 // Type: long 139 private static final String RUNTIME_STATE_USER_FOLDERS = "launcher.user_folder"; 140 // Type: int 141 private static final String RUNTIME_STATE_PENDING_ADD_SCREEN = "launcher.add_screen"; 142 // Type: int 143 private static final String RUNTIME_STATE_PENDING_ADD_CELL_X = "launcher.add_cellX"; 144 // Type: int 145 private static final String RUNTIME_STATE_PENDING_ADD_CELL_Y = "launcher.add_cellY"; 146 // Type: int 147 private static final String RUNTIME_STATE_PENDING_ADD_SPAN_X = "launcher.add_spanX"; 148 // Type: int 149 private static final String RUNTIME_STATE_PENDING_ADD_SPAN_Y = "launcher.add_spanY"; 150 // Type: int 151 private static final String RUNTIME_STATE_PENDING_ADD_COUNT_X = "launcher.add_countX"; 152 // Type: int 153 private static final String RUNTIME_STATE_PENDING_ADD_COUNT_Y = "launcher.add_countY"; 154 // Type: int[] 155 private static final String RUNTIME_STATE_PENDING_ADD_OCCUPIED_CELLS = "launcher.add_occupied_cells"; 156 // Type: boolean 157 private static final String RUNTIME_STATE_PENDING_FOLDER_RENAME = "launcher.rename_folder"; 158 // Type: long 159 private static final String RUNTIME_STATE_PENDING_FOLDER_RENAME_ID = "launcher.rename_folder_id"; 160 161 static final int APPWIDGET_HOST_ID = 1024; 162 163 private static final Object sLock = new Object(); 164 private static int sScreen = DEFAULT_SCREEN; 165 166 private final BroadcastReceiver mCloseSystemDialogsReceiver 167 = new CloseSystemDialogsIntentReceiver(); 168 private final ContentObserver mWidgetObserver = new AppWidgetResetObserver(); 169 170 private LayoutInflater mInflater; 171 172 private DragController mDragController; 173 private Workspace mWorkspace; 174 175 private AppWidgetManager mAppWidgetManager; 176 private LauncherAppWidgetHost mAppWidgetHost; 177 178 private CellLayout.CellInfo mAddItemCellInfo; 179 private CellLayout.CellInfo mMenuAddInfo; 180 private final int[] mCellCoordinates = new int[2]; 181 private FolderInfo mFolderInfo; 182 183 private DeleteZone mDeleteZone; 184 private HandleView mHandleView; 185 private AllAppsView mAllAppsGrid; 186 187 private Bundle mSavedState; 188 189 private SpannableStringBuilder mDefaultKeySsb = null; 190 191 private boolean mWorkspaceLoading = true; 192 193 private boolean mPaused = true; 194 private boolean mRestoring; 195 private boolean mWaitingForResult; 196 197 private Bundle mSavedInstanceState; 198 199 private LauncherModel mModel; 200 private IconCache mIconCache; 201 202 private static LocaleConfiguration sLocaleConfiguration = null; 203 204 private ArrayList<ItemInfo> mDesktopItems = new ArrayList<ItemInfo>(); 205 private static HashMap<Long, FolderInfo> sFolders = new HashMap<Long, FolderInfo>(); 206 207 private ImageView mPreviousView; 208 private ImageView mNextView; 209 210 // Hotseats (quick-launch icons next to AllApps) 211 private static final int NUM_HOTSEATS = 2; 212 private String[] mHotseatConfig = null; 213 private Intent[] mHotseats = null; 214 private Drawable[] mHotseatIcons = null; 215 private CharSequence[] mHotseatLabels = null; 216 217 @Override 218 protected void onCreate(Bundle savedInstanceState) { 219 super.onCreate(savedInstanceState); 220 221 LauncherApplication app = ((LauncherApplication)getApplication()); 222 mModel = app.setLauncher(this); 223 mIconCache = app.getIconCache(); 224 mDragController = new DragController(this); 225 mInflater = getLayoutInflater(); 226 227 mAppWidgetManager = AppWidgetManager.getInstance(this); 228 mAppWidgetHost = new LauncherAppWidgetHost(this, APPWIDGET_HOST_ID); 229 mAppWidgetHost.startListening(); 230 231 if (PROFILE_STARTUP) { 232 android.os.Debug.startMethodTracing("/sdcard/launcher"); 233 } 234 235 loadHotseats(); 236 checkForLocaleChange(); 237 setWallpaperDimension(); 238 239 setContentView(R.layout.launcher); 240 setupViews(); 241 242 registerContentObservers(); 243 244 lockAllApps(); 245 246 mSavedState = savedInstanceState; 247 restoreState(mSavedState); 248 249 if (PROFILE_STARTUP) { 250 android.os.Debug.stopMethodTracing(); 251 } 252 253 if (!mRestoring) { 254 mModel.startLoader(this, true); 255 } 256 257 // For handling default keys 258 mDefaultKeySsb = new SpannableStringBuilder(); 259 Selection.setSelection(mDefaultKeySsb, 0); 260 261 IntentFilter filter = new IntentFilter(Intent.ACTION_CLOSE_SYSTEM_DIALOGS); 262 registerReceiver(mCloseSystemDialogsReceiver, filter); 263 } 264 265 private void checkForLocaleChange() { 266 if (sLocaleConfiguration == null) { 267 new AsyncTask<Void, Void, LocaleConfiguration>() { 268 @Override 269 protected LocaleConfiguration doInBackground(Void... unused) { 270 LocaleConfiguration localeConfiguration = new LocaleConfiguration(); 271 readConfiguration(Launcher.this, localeConfiguration); 272 return localeConfiguration; 273 } 274 275 @Override 276 protected void onPostExecute(LocaleConfiguration result) { 277 sLocaleConfiguration = result; 278 checkForLocaleChange(); // recursive, but now with a locale configuration 279 } 280 }.execute(); 281 return; 282 } 283 284 final Configuration configuration = getResources().getConfiguration(); 285 286 final String previousLocale = sLocaleConfiguration.locale; 287 final String locale = configuration.locale.toString(); 288 289 final int previousMcc = sLocaleConfiguration.mcc; 290 final int mcc = configuration.mcc; 291 292 final int previousMnc = sLocaleConfiguration.mnc; 293 final int mnc = configuration.mnc; 294 295 boolean localeChanged = !locale.equals(previousLocale) || mcc != previousMcc || mnc != previousMnc; 296 297 if (localeChanged) { 298 sLocaleConfiguration.locale = locale; 299 sLocaleConfiguration.mcc = mcc; 300 sLocaleConfiguration.mnc = mnc; 301 302 mIconCache.flush(); 303 loadHotseats(); 304 305 final LocaleConfiguration localeConfiguration = sLocaleConfiguration; 306 new Thread("WriteLocaleConfiguration") { 307 public void run() { 308 writeConfiguration(Launcher.this, localeConfiguration); 309 } 310 }.start(); 311 } 312 } 313 314 private static class LocaleConfiguration { 315 public String locale; 316 public int mcc = -1; 317 public int mnc = -1; 318 } 319 320 private static void readConfiguration(Context context, LocaleConfiguration configuration) { 321 DataInputStream in = null; 322 try { 323 in = new DataInputStream(context.openFileInput(PREFERENCES)); 324 configuration.locale = in.readUTF(); 325 configuration.mcc = in.readInt(); 326 configuration.mnc = in.readInt(); 327 } catch (FileNotFoundException e) { 328 // Ignore 329 } catch (IOException e) { 330 // Ignore 331 } finally { 332 if (in != null) { 333 try { 334 in.close(); 335 } catch (IOException e) { 336 // Ignore 337 } 338 } 339 } 340 } 341 342 private static void writeConfiguration(Context context, LocaleConfiguration configuration) { 343 DataOutputStream out = null; 344 try { 345 out = new DataOutputStream(context.openFileOutput(PREFERENCES, MODE_PRIVATE)); 346 out.writeUTF(configuration.locale); 347 out.writeInt(configuration.mcc); 348 out.writeInt(configuration.mnc); 349 out.flush(); 350 } catch (FileNotFoundException e) { 351 // Ignore 352 } catch (IOException e) { 353 //noinspection ResultOfMethodCallIgnored 354 context.getFileStreamPath(PREFERENCES).delete(); 355 } finally { 356 if (out != null) { 357 try { 358 out.close(); 359 } catch (IOException e) { 360 // Ignore 361 } 362 } 363 } 364 } 365 366 static int getScreen() { 367 synchronized (sLock) { 368 return sScreen; 369 } 370 } 371 372 static void setScreen(int screen) { 373 synchronized (sLock) { 374 sScreen = screen; 375 } 376 } 377 378 private void setWallpaperDimension() { 379 WallpaperManager wpm = (WallpaperManager)getSystemService(WALLPAPER_SERVICE); 380 381 Display display = getWindowManager().getDefaultDisplay(); 382 boolean isPortrait = display.getWidth() < display.getHeight(); 383 384 final int width = isPortrait ? display.getWidth() : display.getHeight(); 385 final int height = isPortrait ? display.getHeight() : display.getWidth(); 386 wpm.suggestDesiredDimensions(width * WALLPAPER_SCREENS_SPAN, height); 387 } 388 389 // Note: This doesn't do all the client-id magic that BrowserProvider does 390 // in Browser. (http://b/2425179) 391 private Uri getDefaultBrowserUri() { 392 String url = getString(R.string.default_browser_url); 393 if (url.indexOf("{CID}") != -1) { 394 url = url.replace("{CID}", "android-google"); 395 } 396 return Uri.parse(url); 397 } 398 399 // Load the Intent templates from arrays.xml to populate the hotseats. For 400 // each Intent, if it resolves to a single app, use that as the launch 401 // intent & use that app's label as the contentDescription. Otherwise, 402 // retain the ResolveActivity so the user can pick an app. 403 private void loadHotseats() { 404 if (mHotseatConfig == null) { 405 mHotseatConfig = getResources().getStringArray(R.array.hotseats); 406 if (mHotseatConfig.length > 0) { 407 mHotseats = new Intent[mHotseatConfig.length]; 408 mHotseatLabels = new CharSequence[mHotseatConfig.length]; 409 mHotseatIcons = new Drawable[mHotseatConfig.length]; 410 } else { 411 mHotseats = null; 412 mHotseatIcons = null; 413 mHotseatLabels = null; 414 } 415 416 TypedArray hotseatIconDrawables = getResources().obtainTypedArray(R.array.hotseat_icons); 417 for (int i=0; i<mHotseatConfig.length; i++) { 418 // load icon for this slot; currently unrelated to the actual activity 419 try { 420 mHotseatIcons[i] = hotseatIconDrawables.getDrawable(i); 421 } catch (ArrayIndexOutOfBoundsException ex) { 422 Log.w(TAG, "Missing hotseat_icons array item #" + i); 423 mHotseatIcons[i] = null; 424 } 425 } 426 hotseatIconDrawables.recycle(); 427 } 428 429 PackageManager pm = getPackageManager(); 430 for (int i=0; i<mHotseatConfig.length; i++) { 431 Intent intent = null; 432 if (mHotseatConfig[i].equals("*BROWSER*")) { 433 // magic value meaning "launch user's default web browser" 434 // replace it with a generic web request so we can see if there is indeed a default 435 String defaultUri = getString(R.string.default_browser_url); 436 intent = new Intent( 437 Intent.ACTION_VIEW, 438 ((defaultUri != null) 439 ? Uri.parse(defaultUri) 440 : getDefaultBrowserUri()) 441 ).addCategory(Intent.CATEGORY_BROWSABLE); 442 // note: if the user launches this without a default set, she 443 // will always be taken to the default URL above; this is 444 // unavoidable as we must specify a valid URL in order for the 445 // chooser to appear, and once the user selects something, that 446 // URL is unavoidably sent to the chosen app. 447 } else { 448 try { 449 intent = Intent.parseUri(mHotseatConfig[i], 0); 450 } catch (java.net.URISyntaxException ex) { 451 Log.w(TAG, "Invalid hotseat intent: " + mHotseatConfig[i]); 452 // bogus; leave intent=null 453 } 454 } 455 456 if (intent == null) { 457 mHotseats[i] = null; 458 mHotseatLabels[i] = getText(R.string.activity_not_found); 459 continue; 460 } 461 462 if (LOGD) { 463 Log.d(TAG, "loadHotseats: hotseat " + i 464 + " initial intent=[" 465 + intent.toUri(Intent.URI_INTENT_SCHEME) 466 + "]"); 467 } 468 469 ResolveInfo bestMatch = pm.resolveActivity(intent, PackageManager.MATCH_DEFAULT_ONLY); 470 List<ResolveInfo> allMatches = pm.queryIntentActivities(intent, PackageManager.MATCH_DEFAULT_ONLY); 471 if (LOGD) { 472 Log.d(TAG, "Best match for intent: " + bestMatch); 473 Log.d(TAG, "All matches: "); 474 for (ResolveInfo ri : allMatches) { 475 Log.d(TAG, " --> " + ri); 476 } 477 } 478 // did this resolve to a single app, or the resolver? 479 if (allMatches.size() == 0 || bestMatch == null) { 480 // can't find any activity to handle this. let's leave the 481 // intent as-is and let Launcher show a toast when it fails 482 // to launch. 483 mHotseats[i] = intent; 484 485 // set accessibility text to "Not installed" 486 mHotseatLabels[i] = getText(R.string.activity_not_found); 487 } else { 488 boolean found = false; 489 for (ResolveInfo ri : allMatches) { 490 if (bestMatch.activityInfo.name.equals(ri.activityInfo.name) 491 && bestMatch.activityInfo.applicationInfo.packageName 492 .equals(ri.activityInfo.applicationInfo.packageName)) { 493 found = true; 494 break; 495 } 496 } 497 498 if (!found) { 499 if (LOGD) Log.d(TAG, "Multiple options, no default yet"); 500 // the bestMatch is probably the ResolveActivity, meaning the 501 // user has not yet selected a default 502 // so: we'll keep the original intent for now 503 mHotseats[i] = intent; 504 505 // set the accessibility text to "Select shortcut" 506 mHotseatLabels[i] = getText(R.string.title_select_shortcut); 507 } else { 508 // we have an app! 509 // now reconstruct the intent to launch it through the front 510 // door 511 ComponentName com = new ComponentName( 512 bestMatch.activityInfo.applicationInfo.packageName, 513 bestMatch.activityInfo.name); 514 mHotseats[i] = new Intent(Intent.ACTION_MAIN).setComponent(com); 515 516 // load the app label for accessibility 517 mHotseatLabels[i] = bestMatch.activityInfo.loadLabel(pm); 518 } 519 } 520 521 if (LOGD) { 522 Log.d(TAG, "loadHotseats: hotseat " + i 523 + " final intent=[" 524 + ((mHotseats[i] == null) 525 ? "null" 526 : mHotseats[i].toUri(Intent.URI_INTENT_SCHEME)) 527 + "] label=[" + mHotseatLabels[i] 528 + "]" 529 ); 530 } 531 } 532 } 533 534 @Override 535 protected void onActivityResult(int requestCode, int resultCode, Intent data) { 536 mWaitingForResult = false; 537 538 // The pattern used here is that a user PICKs a specific application, 539 // which, depending on the target, might need to CREATE the actual target. 540 541 // For example, the user would PICK_SHORTCUT for "Music playlist", and we 542 // launch over to the Music app to actually CREATE_SHORTCUT. 543 544 if (resultCode == RESULT_OK && mAddItemCellInfo != null) { 545 switch (requestCode) { 546 case REQUEST_PICK_APPLICATION: 547 completeAddApplication(this, data, mAddItemCellInfo); 548 break; 549 case REQUEST_PICK_SHORTCUT: 550 processShortcut(data); 551 break; 552 case REQUEST_CREATE_SHORTCUT: 553 completeAddShortcut(data, mAddItemCellInfo); 554 break; 555 case REQUEST_PICK_LIVE_FOLDER: 556 addLiveFolder(data); 557 break; 558 case REQUEST_CREATE_LIVE_FOLDER: 559 completeAddLiveFolder(data, mAddItemCellInfo); 560 break; 561 case REQUEST_PICK_APPWIDGET: 562 addAppWidget(data); 563 break; 564 case REQUEST_CREATE_APPWIDGET: 565 completeAddAppWidget(data, mAddItemCellInfo); 566 break; 567 case REQUEST_PICK_WALLPAPER: 568 // We just wanted the activity result here so we can clear mWaitingForResult 569 break; 570 } 571 } else if ((requestCode == REQUEST_PICK_APPWIDGET || 572 requestCode == REQUEST_CREATE_APPWIDGET) && resultCode == RESULT_CANCELED && 573 data != null) { 574 // Clean up the appWidgetId if we canceled 575 int appWidgetId = data.getIntExtra(AppWidgetManager.EXTRA_APPWIDGET_ID, -1); 576 if (appWidgetId != -1) { 577 mAppWidgetHost.deleteAppWidgetId(appWidgetId); 578 } 579 } 580 } 581 582 @Override 583 protected void onResume() { 584 super.onResume(); 585 586 mPaused = false; 587 588 if (mRestoring) { 589 mWorkspaceLoading = true; 590 mModel.startLoader(this, true); 591 mRestoring = false; 592 } 593 } 594 595 @Override 596 protected void onPause() { 597 super.onPause(); 598 dismissPreview(mPreviousView); 599 dismissPreview(mNextView); 600 mDragController.cancelDrag(); 601 } 602 603 @Override 604 public Object onRetainNonConfigurationInstance() { 605 // Flag the loader to stop early before switching 606 mModel.stopLoader(); 607 mAllAppsGrid.surrender(); 608 return Boolean.TRUE; 609 } 610 611 // We can't hide the IME if it was forced open. So don't bother 612 /* 613 @Override 614 public void onWindowFocusChanged(boolean hasFocus) { 615 super.onWindowFocusChanged(hasFocus); 616 617 if (hasFocus) { 618 final InputMethodManager inputManager = (InputMethodManager) 619 getSystemService(Context.INPUT_METHOD_SERVICE); 620 WindowManager.LayoutParams lp = getWindow().getAttributes(); 621 inputManager.hideSoftInputFromWindow(lp.token, 0, new android.os.ResultReceiver(new 622 android.os.Handler()) { 623 protected void onReceiveResult(int resultCode, Bundle resultData) { 624 Log.d(TAG, "ResultReceiver got resultCode=" + resultCode); 625 } 626 }); 627 Log.d(TAG, "called hideSoftInputFromWindow from onWindowFocusChanged"); 628 } 629 } 630 */ 631 632 private boolean acceptFilter() { 633 final InputMethodManager inputManager = (InputMethodManager) 634 getSystemService(Context.INPUT_METHOD_SERVICE); 635 return !inputManager.isFullscreenMode(); 636 } 637 638 @Override 639 public boolean onKeyDown(int keyCode, KeyEvent event) { 640 boolean handled = super.onKeyDown(keyCode, event); 641 if (!handled && acceptFilter() && keyCode != KeyEvent.KEYCODE_ENTER) { 642 boolean gotKey = TextKeyListener.getInstance().onKeyDown(mWorkspace, mDefaultKeySsb, 643 keyCode, event); 644 if (gotKey && mDefaultKeySsb != null && mDefaultKeySsb.length() > 0) { 645 // something usable has been typed - start a search 646 // the typed text will be retrieved and cleared by 647 // showSearchDialog() 648 // If there are multiple keystrokes before the search dialog takes focus, 649 // onSearchRequested() will be called for every keystroke, 650 // but it is idempotent, so it's fine. 651 return onSearchRequested(); 652 } 653 } 654 655 // Eat the long press event so the keyboard doesn't come up. 656 if (keyCode == KeyEvent.KEYCODE_MENU && event.isLongPress()) { 657 return true; 658 } 659 660 return handled; 661 } 662 663 private String getTypedText() { 664 return mDefaultKeySsb.toString(); 665 } 666 667 private void clearTypedText() { 668 mDefaultKeySsb.clear(); 669 mDefaultKeySsb.clearSpans(); 670 Selection.setSelection(mDefaultKeySsb, 0); 671 } 672 673 /** 674 * Restores the previous state, if it exists. 675 * 676 * @param savedState The previous state. 677 */ 678 private void restoreState(Bundle savedState) { 679 if (savedState == null) { 680 return; 681 } 682 683 final boolean allApps = savedState.getBoolean(RUNTIME_STATE_ALL_APPS_FOLDER, false); 684 if (allApps) { 685 showAllApps(false); 686 } 687 688 final int currentScreen = savedState.getInt(RUNTIME_STATE_CURRENT_SCREEN, -1); 689 if (currentScreen > -1) { 690 mWorkspace.setCurrentScreen(currentScreen); 691 } 692 693 final int addScreen = savedState.getInt(RUNTIME_STATE_PENDING_ADD_SCREEN, -1); 694 if (addScreen > -1) { 695 mAddItemCellInfo = new CellLayout.CellInfo(); 696 final CellLayout.CellInfo addItemCellInfo = mAddItemCellInfo; 697 addItemCellInfo.valid = true; 698 addItemCellInfo.screen = addScreen; 699 addItemCellInfo.cellX = savedState.getInt(RUNTIME_STATE_PENDING_ADD_CELL_X); 700 addItemCellInfo.cellY = savedState.getInt(RUNTIME_STATE_PENDING_ADD_CELL_Y); 701 addItemCellInfo.spanX = savedState.getInt(RUNTIME_STATE_PENDING_ADD_SPAN_X); 702 addItemCellInfo.spanY = savedState.getInt(RUNTIME_STATE_PENDING_ADD_SPAN_Y); 703 addItemCellInfo.findVacantCellsFromOccupied( 704 savedState.getBooleanArray(RUNTIME_STATE_PENDING_ADD_OCCUPIED_CELLS), 705 savedState.getInt(RUNTIME_STATE_PENDING_ADD_COUNT_X), 706 savedState.getInt(RUNTIME_STATE_PENDING_ADD_COUNT_Y)); 707 mRestoring = true; 708 } 709 710 boolean renameFolder = savedState.getBoolean(RUNTIME_STATE_PENDING_FOLDER_RENAME, false); 711 if (renameFolder) { 712 long id = savedState.getLong(RUNTIME_STATE_PENDING_FOLDER_RENAME_ID); 713 mFolderInfo = mModel.getFolderById(this, sFolders, id); 714 mRestoring = true; 715 } 716 } 717 718 /** 719 * Finds all the views we need and configure them properly. 720 */ 721 private void setupViews() { 722 DragController dragController = mDragController; 723 724 DragLayer dragLayer = (DragLayer) findViewById(R.id.drag_layer); 725 dragLayer.setDragController(dragController); 726 727 mAllAppsGrid = (AllAppsView)dragLayer.findViewById(R.id.all_apps_view); 728 mAllAppsGrid.setLauncher(this); 729 mAllAppsGrid.setDragController(dragController); 730 ((View) mAllAppsGrid).setWillNotDraw(false); // We don't want a hole punched in our window. 731 // Manage focusability manually since this thing is always visible 732 ((View) mAllAppsGrid).setFocusable(false); 733 734 mWorkspace = (Workspace) dragLayer.findViewById(R.id.workspace); 735 final Workspace workspace = mWorkspace; 736 workspace.setHapticFeedbackEnabled(false); 737 738 DeleteZone deleteZone = (DeleteZone) dragLayer.findViewById(R.id.delete_zone); 739 mDeleteZone = deleteZone; 740 741 mHandleView = (HandleView) findViewById(R.id.all_apps_button); 742 mHandleView.setLauncher(this); 743 mHandleView.setOnClickListener(this); 744 mHandleView.setOnLongClickListener(this); 745 746 ImageView hotseatLeft = (ImageView) findViewById(R.id.hotseat_left); 747 hotseatLeft.setContentDescription(mHotseatLabels[0]); 748 hotseatLeft.setImageDrawable(mHotseatIcons[0]); 749 ImageView hotseatRight = (ImageView) findViewById(R.id.hotseat_right); 750 hotseatRight.setContentDescription(mHotseatLabels[1]); 751 hotseatRight.setImageDrawable(mHotseatIcons[1]); 752 753 mPreviousView = (ImageView) dragLayer.findViewById(R.id.previous_screen); 754 mNextView = (ImageView) dragLayer.findViewById(R.id.next_screen); 755 756 Drawable previous = mPreviousView.getDrawable(); 757 Drawable next = mNextView.getDrawable(); 758 mWorkspace.setIndicators(previous, next); 759 760 mPreviousView.setHapticFeedbackEnabled(false); 761 mPreviousView.setOnLongClickListener(this); 762 mNextView.setHapticFeedbackEnabled(false); 763 mNextView.setOnLongClickListener(this); 764 765 workspace.setOnLongClickListener(this); 766 workspace.setDragController(dragController); 767 workspace.setLauncher(this); 768 769 deleteZone.setLauncher(this); 770 deleteZone.setDragController(dragController); 771 deleteZone.setHandle(findViewById(R.id.all_apps_button_cluster)); 772 773 dragController.setDragScoller(workspace); 774 dragController.setDragListener(deleteZone); 775 dragController.setScrollView(dragLayer); 776 dragController.setMoveTarget(workspace); 777 778 // The order here is bottom to top. 779 dragController.addDropTarget(workspace); 780 dragController.addDropTarget(deleteZone); 781 } 782 783 @SuppressWarnings({"UnusedDeclaration"}) 784 public void previousScreen(View v) { 785 if (!isAllAppsVisible()) { 786 mWorkspace.scrollLeft(); 787 } 788 } 789 790 @SuppressWarnings({"UnusedDeclaration"}) 791 public void nextScreen(View v) { 792 if (!isAllAppsVisible()) { 793 mWorkspace.scrollRight(); 794 } 795 } 796 797 @SuppressWarnings({"UnusedDeclaration"}) 798 public void launchHotSeat(View v) { 799 if (isAllAppsVisible()) return; 800 801 int index = -1; 802 if (v.getId() == R.id.hotseat_left) { 803 index = 0; 804 } else if (v.getId() == R.id.hotseat_right) { 805 index = 1; 806 } 807 808 // reload these every tap; you never know when they might change 809 loadHotseats(); 810 if (index >= 0 && index < mHotseats.length && mHotseats[index] != null) { 811 Intent intent = mHotseats[index]; 812 startActivitySafely( 813 mHotseats[index], 814 "hotseat" 815 ); 816 } 817 } 818 819 /** 820 * Creates a view representing a shortcut. 821 * 822 * @param info The data structure describing the shortcut. 823 * 824 * @return A View inflated from R.layout.application. 825 */ 826 View createShortcut(ShortcutInfo info) { 827 return createShortcut(R.layout.application, 828 (ViewGroup) mWorkspace.getChildAt(mWorkspace.getCurrentScreen()), info); 829 } 830 831 /** 832 * Creates a view representing a shortcut inflated from the specified resource. 833 * 834 * @param layoutResId The id of the XML layout used to create the shortcut. 835 * @param parent The group the shortcut belongs to. 836 * @param info The data structure describing the shortcut. 837 * 838 * @return A View inflated from layoutResId. 839 */ 840 View createShortcut(int layoutResId, ViewGroup parent, ShortcutInfo info) { 841 TextView favorite = (TextView) mInflater.inflate(layoutResId, parent, false); 842 843 favorite.setCompoundDrawablesWithIntrinsicBounds(null, 844 new FastBitmapDrawable(info.getIcon(mIconCache)), 845 null, null); 846 favorite.setText(info.title); 847 favorite.setTag(info); 848 favorite.setOnClickListener(this); 849 850 return favorite; 851 } 852 853 /** 854 * Add an application shortcut to the workspace. 855 * 856 * @param data The intent describing the application. 857 * @param cellInfo The position on screen where to create the shortcut. 858 */ 859 void completeAddApplication(Context context, Intent data, CellLayout.CellInfo cellInfo) { 860 cellInfo.screen = mWorkspace.getCurrentScreen(); 861 if (!findSingleSlot(cellInfo)) return; 862 863 final ShortcutInfo info = mModel.getShortcutInfo(context.getPackageManager(), 864 data, context); 865 866 if (info != null) { 867 info.setActivity(data.getComponent(), Intent.FLAG_ACTIVITY_NEW_TASK | 868 Intent.FLAG_ACTIVITY_RESET_TASK_IF_NEEDED); 869 info.container = ItemInfo.NO_ID; 870 mWorkspace.addApplicationShortcut(info, cellInfo, isWorkspaceLocked()); 871 } else { 872 Log.e(TAG, "Couldn't find ActivityInfo for selected application: " + data); 873 } 874 } 875 876 /** 877 * Add a shortcut to the workspace. 878 * 879 * @param data The intent describing the shortcut. 880 * @param cellInfo The position on screen where to create the shortcut. 881 */ 882 private void completeAddShortcut(Intent data, CellLayout.CellInfo cellInfo) { 883 cellInfo.screen = mWorkspace.getCurrentScreen(); 884 if (!findSingleSlot(cellInfo)) return; 885 886 final ShortcutInfo info = mModel.addShortcut(this, data, cellInfo, false); 887 888 if (!mRestoring) { 889 final View view = createShortcut(info); 890 mWorkspace.addInCurrentScreen(view, cellInfo.cellX, cellInfo.cellY, 1, 1, 891 isWorkspaceLocked()); 892 } 893 } 894 895 896 /** 897 * Add a widget to the workspace. 898 * 899 * @param data The intent describing the appWidgetId. 900 * @param cellInfo The position on screen where to create the widget. 901 */ 902 private void completeAddAppWidget(Intent data, CellLayout.CellInfo cellInfo) { 903 Bundle extras = data.getExtras(); 904 int appWidgetId = extras.getInt(AppWidgetManager.EXTRA_APPWIDGET_ID, -1); 905 906 if (LOGD) Log.d(TAG, "dumping extras content=" + extras.toString()); 907 908 AppWidgetProviderInfo appWidgetInfo = mAppWidgetManager.getAppWidgetInfo(appWidgetId); 909 910 // Calculate the grid spans needed to fit this widget 911 CellLayout layout = (CellLayout) mWorkspace.getChildAt(cellInfo.screen); 912 int[] spans = layout.rectToCell(appWidgetInfo.minWidth, appWidgetInfo.minHeight); 913 914 // Try finding open space on Launcher screen 915 final int[] xy = mCellCoordinates; 916 if (!findSlot(cellInfo, xy, spans[0], spans[1])) { 917 if (appWidgetId != -1) mAppWidgetHost.deleteAppWidgetId(appWidgetId); 918 return; 919 } 920 921 // Build Launcher-specific widget info and save to database 922 LauncherAppWidgetInfo launcherInfo = new LauncherAppWidgetInfo(appWidgetId); 923 launcherInfo.spanX = spans[0]; 924 launcherInfo.spanY = spans[1]; 925 926 LauncherModel.addItemToDatabase(this, launcherInfo, 927 LauncherSettings.Favorites.CONTAINER_DESKTOP, 928 mWorkspace.getCurrentScreen(), xy[0], xy[1], false); 929 930 if (!mRestoring) { 931 mDesktopItems.add(launcherInfo); 932 933 // Perform actual inflation because we're live 934 launcherInfo.hostView = mAppWidgetHost.createView(this, appWidgetId, appWidgetInfo); 935 936 launcherInfo.hostView.setAppWidget(appWidgetId, appWidgetInfo); 937 launcherInfo.hostView.setTag(launcherInfo); 938 939 mWorkspace.addInCurrentScreen(launcherInfo.hostView, xy[0], xy[1], 940 launcherInfo.spanX, launcherInfo.spanY, isWorkspaceLocked()); 941 } 942 } 943 944 public void removeAppWidget(LauncherAppWidgetInfo launcherInfo) { 945 mDesktopItems.remove(launcherInfo); 946 launcherInfo.hostView = null; 947 } 948 949 public LauncherAppWidgetHost getAppWidgetHost() { 950 return mAppWidgetHost; 951 } 952 953 void closeSystemDialogs() { 954 getWindow().closeAllPanels(); 955 956 try { 957 dismissDialog(DIALOG_CREATE_SHORTCUT); 958 // Unlock the workspace if the dialog was showing 959 } catch (Exception e) { 960 // An exception is thrown if the dialog is not visible, which is fine 961 } 962 963 try { 964 dismissDialog(DIALOG_RENAME_FOLDER); 965 // Unlock the workspace if the dialog was showing 966 } catch (Exception e) { 967 // An exception is thrown if the dialog is not visible, which is fine 968 } 969 970 // Whatever we were doing is hereby canceled. 971 mWaitingForResult = false; 972 } 973 974 @Override 975 protected void onNewIntent(Intent intent) { 976 super.onNewIntent(intent); 977 978 // Close the menu 979 if (Intent.ACTION_MAIN.equals(intent.getAction())) { 980 // also will cancel mWaitingForResult. 981 closeSystemDialogs(); 982 983 boolean alreadyOnHome = ((intent.getFlags() & Intent.FLAG_ACTIVITY_BROUGHT_TO_FRONT) 984 != Intent.FLAG_ACTIVITY_BROUGHT_TO_FRONT); 985 boolean allAppsVisible = isAllAppsVisible(); 986 if (!mWorkspace.isDefaultScreenShowing()) { 987 mWorkspace.moveToDefaultScreen(alreadyOnHome && !allAppsVisible); 988 } 989 closeAllApps(alreadyOnHome && allAppsVisible); 990 991 final View v = getWindow().peekDecorView(); 992 if (v != null && v.getWindowToken() != null) { 993 InputMethodManager imm = (InputMethodManager)getSystemService( 994 INPUT_METHOD_SERVICE); 995 imm.hideSoftInputFromWindow(v.getWindowToken(), 0); 996 } 997 } 998 } 999 1000 @Override 1001 protected void onRestoreInstanceState(Bundle savedInstanceState) { 1002 // Do not call super here 1003 mSavedInstanceState = savedInstanceState; 1004 } 1005 1006 @Override 1007 protected void onSaveInstanceState(Bundle outState) { 1008 outState.putInt(RUNTIME_STATE_CURRENT_SCREEN, mWorkspace.getCurrentScreen()); 1009 1010 final ArrayList<Folder> folders = mWorkspace.getOpenFolders(); 1011 if (folders.size() > 0) { 1012 final int count = folders.size(); 1013 long[] ids = new long[count]; 1014 for (int i = 0; i < count; i++) { 1015 final FolderInfo info = folders.get(i).getInfo(); 1016 ids[i] = info.id; 1017 } 1018 outState.putLongArray(RUNTIME_STATE_USER_FOLDERS, ids); 1019 } else { 1020 super.onSaveInstanceState(outState); 1021 } 1022 1023 // TODO should not do this if the drawer is currently closing. 1024 if (isAllAppsVisible()) { 1025 outState.putBoolean(RUNTIME_STATE_ALL_APPS_FOLDER, true); 1026 } 1027 1028 if (mAddItemCellInfo != null && mAddItemCellInfo.valid && mWaitingForResult) { 1029 final CellLayout.CellInfo addItemCellInfo = mAddItemCellInfo; 1030 final CellLayout layout = (CellLayout) mWorkspace.getChildAt(addItemCellInfo.screen); 1031 1032 outState.putInt(RUNTIME_STATE_PENDING_ADD_SCREEN, addItemCellInfo.screen); 1033 outState.putInt(RUNTIME_STATE_PENDING_ADD_CELL_X, addItemCellInfo.cellX); 1034 outState.putInt(RUNTIME_STATE_PENDING_ADD_CELL_Y, addItemCellInfo.cellY); 1035 outState.putInt(RUNTIME_STATE_PENDING_ADD_SPAN_X, addItemCellInfo.spanX); 1036 outState.putInt(RUNTIME_STATE_PENDING_ADD_SPAN_Y, addItemCellInfo.spanY); 1037 outState.putInt(RUNTIME_STATE_PENDING_ADD_COUNT_X, layout.getCountX()); 1038 outState.putInt(RUNTIME_STATE_PENDING_ADD_COUNT_Y, layout.getCountY()); 1039 outState.putBooleanArray(RUNTIME_STATE_PENDING_ADD_OCCUPIED_CELLS, 1040 layout.getOccupiedCells()); 1041 } 1042 1043 if (mFolderInfo != null && mWaitingForResult) { 1044 outState.putBoolean(RUNTIME_STATE_PENDING_FOLDER_RENAME, true); 1045 outState.putLong(RUNTIME_STATE_PENDING_FOLDER_RENAME_ID, mFolderInfo.id); 1046 } 1047 } 1048 1049 @Override 1050 public void onDestroy() { 1051 super.onDestroy(); 1052 1053 try { 1054 mAppWidgetHost.stopListening(); 1055 } catch (NullPointerException ex) { 1056 Log.w(TAG, "problem while stopping AppWidgetHost during Launcher destruction", ex); 1057 } 1058 1059 TextKeyListener.getInstance().release(); 1060 1061 mModel.stopLoader(); 1062 1063 unbindDesktopItems(); 1064 1065 getContentResolver().unregisterContentObserver(mWidgetObserver); 1066 1067 dismissPreview(mPreviousView); 1068 dismissPreview(mNextView); 1069 1070 unregisterReceiver(mCloseSystemDialogsReceiver); 1071 } 1072 1073 @Override 1074 public void startActivityForResult(Intent intent, int requestCode) { 1075 if (requestCode >= 0) mWaitingForResult = true; 1076 super.startActivityForResult(intent, requestCode); 1077 } 1078 1079 @Override 1080 public void startSearch(String initialQuery, boolean selectInitialQuery, 1081 Bundle appSearchData, boolean globalSearch) { 1082 1083 closeAllApps(true); 1084 1085 if (initialQuery == null) { 1086 // Use any text typed in the launcher as the initial query 1087 initialQuery = getTypedText(); 1088 clearTypedText(); 1089 } 1090 if (appSearchData == null) { 1091 appSearchData = new Bundle(); 1092 appSearchData.putString(Search.SOURCE, "launcher-search"); 1093 } 1094 1095 final SearchManager searchManager = 1096 (SearchManager) getSystemService(Context.SEARCH_SERVICE); 1097 searchManager.startSearch(initialQuery, selectInitialQuery, getComponentName(), 1098 appSearchData, globalSearch); 1099 } 1100 1101 @Override 1102 public boolean onCreateOptionsMenu(Menu menu) { 1103 if (isWorkspaceLocked()) { 1104 return false; 1105 } 1106 1107 super.onCreateOptionsMenu(menu); 1108 1109 menu.add(MENU_GROUP_ADD, MENU_ADD, 0, R.string.menu_add) 1110 .setIcon(android.R.drawable.ic_menu_add) 1111 .setAlphabeticShortcut('A'); 1112 menu.add(MENU_GROUP_WALLPAPER, MENU_WALLPAPER_SETTINGS, 0, R.string.menu_wallpaper) 1113 .setIcon(android.R.drawable.ic_menu_gallery) 1114 .setAlphabeticShortcut('W'); 1115 menu.add(0, MENU_SEARCH, 0, R.string.menu_search) 1116 .setIcon(android.R.drawable.ic_search_category_default) 1117 .setAlphabeticShortcut(SearchManager.MENU_KEY); 1118 menu.add(0, MENU_NOTIFICATIONS, 0, R.string.menu_notifications) 1119 .setIcon(com.android.internal.R.drawable.ic_menu_notifications) 1120 .setAlphabeticShortcut('N'); 1121 1122 final Intent settings = new Intent(android.provider.Settings.ACTION_SETTINGS); 1123 settings.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK | 1124 Intent.FLAG_ACTIVITY_RESET_TASK_IF_NEEDED); 1125 1126 menu.add(0, MENU_SETTINGS, 0, R.string.menu_settings) 1127 .setIcon(android.R.drawable.ic_menu_preferences).setAlphabeticShortcut('P') 1128 .setIntent(settings); 1129 1130 return true; 1131 } 1132 1133 @Override 1134 public boolean onPrepareOptionsMenu(Menu menu) { 1135 super.onPrepareOptionsMenu(menu); 1136 1137 // If all apps is animating, don't show the menu, because we don't know 1138 // which one to show. 1139 if (mAllAppsGrid.isVisible() && !mAllAppsGrid.isOpaque()) { 1140 return false; 1141 } 1142 1143 // Only show the add and wallpaper options when we're not in all apps. 1144 boolean visible = !mAllAppsGrid.isOpaque(); 1145 menu.setGroupVisible(MENU_GROUP_ADD, visible); 1146 menu.setGroupVisible(MENU_GROUP_WALLPAPER, visible); 1147 1148 // Disable add if the workspace is full. 1149 if (visible) { 1150 mMenuAddInfo = mWorkspace.findAllVacantCells(null); 1151 menu.setGroupEnabled(MENU_GROUP_ADD, mMenuAddInfo != null && mMenuAddInfo.valid); 1152 } 1153 1154 return true; 1155 } 1156 1157 @Override 1158 public boolean onOptionsItemSelected(MenuItem item) { 1159 switch (item.getItemId()) { 1160 case MENU_ADD: 1161 addItems(); 1162 return true; 1163 case MENU_WALLPAPER_SETTINGS: 1164 startWallpaper(); 1165 return true; 1166 case MENU_SEARCH: 1167 onSearchRequested(); 1168 return true; 1169 case MENU_NOTIFICATIONS: 1170 showNotifications(); 1171 return true; 1172 } 1173 1174 return super.onOptionsItemSelected(item); 1175 } 1176 1177 /** 1178 * Indicates that we want global search for this activity by setting the globalSearch 1179 * argument for {@link #startSearch} to true. 1180 */ 1181 1182 @Override 1183 public boolean onSearchRequested() { 1184 startSearch(null, false, null, true); 1185 return true; 1186 } 1187 1188 public boolean isWorkspaceLocked() { 1189 return mWorkspaceLoading || mWaitingForResult; 1190 } 1191 1192 private void addItems() { 1193 closeAllApps(true); 1194 showAddDialog(mMenuAddInfo); 1195 } 1196 1197 void addAppWidget(Intent data) { 1198 // TODO: catch bad widget exception when sent 1199 int appWidgetId = data.getIntExtra(AppWidgetManager.EXTRA_APPWIDGET_ID, -1); 1200 AppWidgetProviderInfo appWidget = mAppWidgetManager.getAppWidgetInfo(appWidgetId); 1201 1202 if (appWidget.configure != null) { 1203 // Launch over to configure widget, if needed 1204 Intent intent = new Intent(AppWidgetManager.ACTION_APPWIDGET_CONFIGURE); 1205 intent.setComponent(appWidget.configure); 1206 intent.putExtra(AppWidgetManager.EXTRA_APPWIDGET_ID, appWidgetId); 1207 1208 startActivityForResultSafely(intent, REQUEST_CREATE_APPWIDGET); 1209 } else { 1210 // Otherwise just add it 1211 onActivityResult(REQUEST_CREATE_APPWIDGET, Activity.RESULT_OK, data); 1212 } 1213 } 1214 1215 void processShortcut(Intent intent) { 1216 // Handle case where user selected "Applications" 1217 String applicationName = getResources().getString(R.string.group_applications); 1218 String shortcutName = intent.getStringExtra(Intent.EXTRA_SHORTCUT_NAME); 1219 1220 if (applicationName != null && applicationName.equals(shortcutName)) { 1221 Intent mainIntent = new Intent(Intent.ACTION_MAIN, null); 1222 mainIntent.addCategory(Intent.CATEGORY_LAUNCHER); 1223 1224 Intent pickIntent = new Intent(Intent.ACTION_PICK_ACTIVITY); 1225 pickIntent.putExtra(Intent.EXTRA_INTENT, mainIntent); 1226 startActivityForResultSafely(pickIntent, REQUEST_PICK_APPLICATION); 1227 } else { 1228 startActivityForResultSafely(intent, REQUEST_CREATE_SHORTCUT); 1229 } 1230 } 1231 1232 void addLiveFolder(Intent intent) { 1233 // Handle case where user selected "Folder" 1234 String folderName = getResources().getString(R.string.group_folder); 1235 String shortcutName = intent.getStringExtra(Intent.EXTRA_SHORTCUT_NAME); 1236 1237 if (folderName != null && folderName.equals(shortcutName)) { 1238 addFolder(); 1239 } else { 1240 startActivityForResultSafely(intent, REQUEST_CREATE_LIVE_FOLDER); 1241 } 1242 } 1243 1244 void addFolder() { 1245 UserFolderInfo folderInfo = new UserFolderInfo(); 1246 folderInfo.title = getText(R.string.folder_name); 1247 1248 CellLayout.CellInfo cellInfo = mAddItemCellInfo; 1249 cellInfo.screen = mWorkspace.getCurrentScreen(); 1250 if (!findSingleSlot(cellInfo)) return; 1251 1252 // Update the model 1253 LauncherModel.addItemToDatabase(this, folderInfo, 1254 LauncherSettings.Favorites.CONTAINER_DESKTOP, 1255 mWorkspace.getCurrentScreen(), cellInfo.cellX, cellInfo.cellY, false); 1256 sFolders.put(folderInfo.id, folderInfo); 1257 1258 // Create the view 1259 FolderIcon newFolder = FolderIcon.fromXml(R.layout.folder_icon, this, 1260 (ViewGroup) mWorkspace.getChildAt(mWorkspace.getCurrentScreen()), folderInfo); 1261 mWorkspace.addInCurrentScreen(newFolder, 1262 cellInfo.cellX, cellInfo.cellY, 1, 1, isWorkspaceLocked()); 1263 } 1264 1265 void removeFolder(FolderInfo folder) { 1266 sFolders.remove(folder.id); 1267 } 1268 1269 private void completeAddLiveFolder(Intent data, CellLayout.CellInfo cellInfo) { 1270 cellInfo.screen = mWorkspace.getCurrentScreen(); 1271 if (!findSingleSlot(cellInfo)) return; 1272 1273 final LiveFolderInfo info = addLiveFolder(this, data, cellInfo, false); 1274 1275 if (!mRestoring) { 1276 final View view = LiveFolderIcon.fromXml(R.layout.live_folder_icon, this, 1277 (ViewGroup) mWorkspace.getChildAt(mWorkspace.getCurrentScreen()), info); 1278 mWorkspace.addInCurrentScreen(view, cellInfo.cellX, cellInfo.cellY, 1, 1, 1279 isWorkspaceLocked()); 1280 } 1281 } 1282 1283 static LiveFolderInfo addLiveFolder(Context context, Intent data, 1284 CellLayout.CellInfo cellInfo, boolean notify) { 1285 1286 Intent baseIntent = data.getParcelableExtra(LiveFolders.EXTRA_LIVE_FOLDER_BASE_INTENT); 1287 String name = data.getStringExtra(LiveFolders.EXTRA_LIVE_FOLDER_NAME); 1288 1289 Drawable icon = null; 1290 Intent.ShortcutIconResource iconResource = null; 1291 1292 Parcelable extra = data.getParcelableExtra(LiveFolders.EXTRA_LIVE_FOLDER_ICON); 1293 if (extra != null && extra instanceof Intent.ShortcutIconResource) { 1294 try { 1295 iconResource = (Intent.ShortcutIconResource) extra; 1296 final PackageManager packageManager = context.getPackageManager(); 1297 Resources resources = packageManager.getResourcesForApplication( 1298 iconResource.packageName); 1299 final int id = resources.getIdentifier(iconResource.resourceName, null, null); 1300 icon = resources.getDrawable(id); 1301 } catch (Exception e) { 1302 Log.w(TAG, "Could not load live folder icon: " + extra); 1303 } 1304 } 1305 1306 if (icon == null) { 1307 icon = context.getResources().getDrawable(R.drawable.ic_launcher_folder); 1308 } 1309 1310 final LiveFolderInfo info = new LiveFolderInfo(); 1311 info.icon = Utilities.createIconBitmap(icon, context); 1312 info.title = name; 1313 info.iconResource = iconResource; 1314 info.uri = data.getData(); 1315 info.baseIntent = baseIntent; 1316 info.displayMode = data.getIntExtra(LiveFolders.EXTRA_LIVE_FOLDER_DISPLAY_MODE, 1317 LiveFolders.DISPLAY_MODE_GRID); 1318 1319 LauncherModel.addItemToDatabase(context, info, LauncherSettings.Favorites.CONTAINER_DESKTOP, 1320 cellInfo.screen, cellInfo.cellX, cellInfo.cellY, notify); 1321 sFolders.put(info.id, info); 1322 1323 return info; 1324 } 1325 1326 private boolean findSingleSlot(CellLayout.CellInfo cellInfo) { 1327 final int[] xy = new int[2]; 1328 if (findSlot(cellInfo, xy, 1, 1)) { 1329 cellInfo.cellX = xy[0]; 1330 cellInfo.cellY = xy[1]; 1331 return true; 1332 } 1333 return false; 1334 } 1335 1336 private boolean findSlot(CellLayout.CellInfo cellInfo, int[] xy, int spanX, int spanY) { 1337 if (!cellInfo.findCellForSpan(xy, spanX, spanY)) { 1338 boolean[] occupied = mSavedState != null ? 1339 mSavedState.getBooleanArray(RUNTIME_STATE_PENDING_ADD_OCCUPIED_CELLS) : null; 1340 cellInfo = mWorkspace.findAllVacantCells(occupied); 1341 if (!cellInfo.findCellForSpan(xy, spanX, spanY)) { 1342 Toast.makeText(this, getString(R.string.out_of_space), Toast.LENGTH_SHORT).show(); 1343 return false; 1344 } 1345 } 1346 return true; 1347 } 1348 1349 private void showNotifications() { 1350 final StatusBarManager statusBar = (StatusBarManager) getSystemService(STATUS_BAR_SERVICE); 1351 if (statusBar != null) { 1352 statusBar.expand(); 1353 } 1354 } 1355 1356 private void startWallpaper() { 1357 closeAllApps(true); 1358 final Intent pickWallpaper = new Intent(Intent.ACTION_SET_WALLPAPER); 1359 Intent chooser = Intent.createChooser(pickWallpaper, 1360 getText(R.string.chooser_wallpaper)); 1361 // NOTE: Adds a configure option to the chooser if the wallpaper supports it 1362 // Removed in Eclair MR1 1363// WallpaperManager wm = (WallpaperManager) 1364// getSystemService(Context.WALLPAPER_SERVICE); 1365// WallpaperInfo wi = wm.getWallpaperInfo(); 1366// if (wi != null && wi.getSettingsActivity() != null) { 1367// LabeledIntent li = new LabeledIntent(getPackageName(), 1368// R.string.configure_wallpaper, 0); 1369// li.setClassName(wi.getPackageName(), wi.getSettingsActivity()); 1370// chooser.putExtra(Intent.EXTRA_INITIAL_INTENTS, new Intent[] { li }); 1371// } 1372 startActivityForResult(chooser, REQUEST_PICK_WALLPAPER); 1373 } 1374 1375 /** 1376 * Registers various content observers. The current implementation registers 1377 * only a favorites observer to keep track of the favorites applications. 1378 */ 1379 private void registerContentObservers() { 1380 ContentResolver resolver = getContentResolver(); 1381 resolver.registerContentObserver(LauncherProvider.CONTENT_APPWIDGET_RESET_URI, 1382 true, mWidgetObserver); 1383 } 1384 1385 @Override 1386 public boolean dispatchKeyEvent(KeyEvent event) { 1387 if (event.getAction() == KeyEvent.ACTION_DOWN) { 1388 switch (event.getKeyCode()) { 1389 case KeyEvent.KEYCODE_HOME: 1390 return true; 1391 case KeyEvent.KEYCODE_VOLUME_DOWN: 1392 if (SystemProperties.getInt("debug.launcher2.dumpstate", 0) != 0) { 1393 dumpState(); 1394 return true; 1395 } 1396 break; 1397 } 1398 } else if (event.getAction() == KeyEvent.ACTION_UP) { 1399 switch (event.getKeyCode()) { 1400 case KeyEvent.KEYCODE_HOME: 1401 return true; 1402 } 1403 } 1404 1405 return super.dispatchKeyEvent(event); 1406 } 1407 1408 @Override 1409 public void onBackPressed() { 1410 if (isAllAppsVisible()) { 1411 closeAllApps(true); 1412 } else { 1413 closeFolder(); 1414 } 1415 dismissPreview(mPreviousView); 1416 dismissPreview(mNextView); 1417 } 1418 1419 private void closeFolder() { 1420 Folder folder = mWorkspace.getOpenFolder(); 1421 if (folder != null) { 1422 closeFolder(folder); 1423 } 1424 } 1425 1426 void closeFolder(Folder folder) { 1427 folder.getInfo().opened = false; 1428 ViewGroup parent = (ViewGroup) folder.getParent(); 1429 if (parent != null) { 1430 parent.removeView(folder); 1431 if (folder instanceof DropTarget) { 1432 // Live folders aren't DropTargets. 1433 mDragController.removeDropTarget((DropTarget)folder); 1434 } 1435 } 1436 folder.onClose(); 1437 } 1438 1439 /** 1440 * Re-listen when widgets are reset. 1441 */ 1442 private void onAppWidgetReset() { 1443 mAppWidgetHost.startListening(); 1444 } 1445 1446 /** 1447 * Go through the and disconnect any of the callbacks in the drawables and the views or we 1448 * leak the previous Home screen on orientation change. 1449 */ 1450 private void unbindDesktopItems() { 1451 for (ItemInfo item: mDesktopItems) { 1452 item.unbind(); 1453 } 1454 } 1455 1456 /** 1457 * Launches the intent referred by the clicked shortcut. 1458 * 1459 * @param v The view representing the clicked shortcut. 1460 */ 1461 public void onClick(View v) { 1462 Object tag = v.getTag(); 1463 if (tag instanceof ShortcutInfo) { 1464 // Open shortcut 1465 final Intent intent = ((ShortcutInfo) tag).intent; 1466 int[] pos = new int[2]; 1467 v.getLocationOnScreen(pos); 1468 intent.setSourceBounds(new Rect(pos[0], pos[1], 1469 pos[0] + v.getWidth(), pos[1] + v.getHeight())); 1470 startActivitySafely(intent, tag); 1471 } else if (tag instanceof FolderInfo) { 1472 handleFolderClick((FolderInfo) tag); 1473 } else if (v == mHandleView) { 1474 if (isAllAppsVisible()) { 1475 closeAllApps(true); 1476 } else { 1477 showAllApps(true); 1478 } 1479 } 1480 } 1481 1482 void startActivitySafely(Intent intent, Object tag) { 1483 intent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK); 1484 try { 1485 startActivity(intent); 1486 } catch (ActivityNotFoundException e) { 1487 Toast.makeText(this, R.string.activity_not_found, Toast.LENGTH_SHORT).show(); 1488 Log.e(TAG, "Unable to launch. tag=" + tag + " intent=" + intent, e); 1489 } catch (SecurityException e) { 1490 Toast.makeText(this, R.string.activity_not_found, Toast.LENGTH_SHORT).show(); 1491 Log.e(TAG, "Launcher does not have the permission to launch " + intent + 1492 ". Make sure to create a MAIN intent-filter for the corresponding activity " + 1493 "or use the exported attribute for this activity. " 1494 + "tag="+ tag + " intent=" + intent, e); 1495 } 1496 } 1497 1498 void startActivityForResultSafely(Intent intent, int requestCode) { 1499 try { 1500 startActivityForResult(intent, requestCode); 1501 } catch (ActivityNotFoundException e) { 1502 Toast.makeText(this, R.string.activity_not_found, Toast.LENGTH_SHORT).show(); 1503 } catch (SecurityException e) { 1504 Toast.makeText(this, R.string.activity_not_found, Toast.LENGTH_SHORT).show(); 1505 Log.e(TAG, "Launcher does not have the permission to launch " + intent + 1506 ". Make sure to create a MAIN intent-filter for the corresponding activity " + 1507 "or use the exported attribute for this activity.", e); 1508 } 1509 } 1510 1511 private void handleFolderClick(FolderInfo folderInfo) { 1512 if (!folderInfo.opened) { 1513 // Close any open folder 1514 closeFolder(); 1515 // Open the requested folder 1516 openFolder(folderInfo); 1517 } else { 1518 // Find the open folder... 1519 Folder openFolder = mWorkspace.getFolderForTag(folderInfo); 1520 int folderScreen; 1521 if (openFolder != null) { 1522 folderScreen = mWorkspace.getScreenForView(openFolder); 1523 // .. and close it 1524 closeFolder(openFolder); 1525 if (folderScreen != mWorkspace.getCurrentScreen()) { 1526 // Close any folder open on the current screen 1527 closeFolder(); 1528 // Pull the folder onto this screen 1529 openFolder(folderInfo); 1530 } 1531 } 1532 } 1533 } 1534 1535 /** 1536 * Opens the user fodler described by the specified tag. The opening of the folder 1537 * is animated relative to the specified View. If the View is null, no animation 1538 * is played. 1539 * 1540 * @param folderInfo The FolderInfo describing the folder to open. 1541 */ 1542 private void openFolder(FolderInfo folderInfo) { 1543 Folder openFolder; 1544 1545 if (folderInfo instanceof UserFolderInfo) { 1546 openFolder = UserFolder.fromXml(this); 1547 } else if (folderInfo instanceof LiveFolderInfo) { 1548 openFolder = com.android.launcher2.LiveFolder.fromXml(this, folderInfo); 1549 } else { 1550 return; 1551 } 1552 1553 openFolder.setDragController(mDragController); 1554 openFolder.setLauncher(this); 1555 1556 openFolder.bind(folderInfo); 1557 folderInfo.opened = true; 1558 1559 mWorkspace.addInScreen(openFolder, folderInfo.screen, 0, 0, 4, 4); 1560 openFolder.onOpen(); 1561 } 1562 1563 public boolean onLongClick(View v) { 1564 switch (v.getId()) { 1565 case R.id.previous_screen: 1566 if (!isAllAppsVisible()) { 1567 mWorkspace.performHapticFeedback(HapticFeedbackConstants.LONG_PRESS, 1568 HapticFeedbackConstants.FLAG_IGNORE_VIEW_SETTING); 1569 showPreviews(v); 1570 } 1571 return true; 1572 case R.id.next_screen: 1573 if (!isAllAppsVisible()) { 1574 mWorkspace.performHapticFeedback(HapticFeedbackConstants.LONG_PRESS, 1575 HapticFeedbackConstants.FLAG_IGNORE_VIEW_SETTING); 1576 showPreviews(v); 1577 } 1578 return true; 1579 case R.id.all_apps_button: 1580 if (!isAllAppsVisible()) { 1581 mWorkspace.performHapticFeedback(HapticFeedbackConstants.LONG_PRESS, 1582 HapticFeedbackConstants.FLAG_IGNORE_VIEW_SETTING); 1583 showPreviews(v); 1584 } 1585 return true; 1586 } 1587 1588 if (isWorkspaceLocked()) { 1589 return false; 1590 } 1591 1592 if (!(v instanceof CellLayout)) { 1593 v = (View) v.getParent(); 1594 } 1595 1596 CellLayout.CellInfo cellInfo = (CellLayout.CellInfo) v.getTag(); 1597 1598 // This happens when long clicking an item with the dpad/trackball 1599 if (cellInfo == null) { 1600 return true; 1601 } 1602 1603 if (mWorkspace.allowLongPress()) { 1604 if (cellInfo.cell == null) { 1605 if (cellInfo.valid) { 1606 // User long pressed on empty space 1607 mWorkspace.setAllowLongPress(false); 1608 mWorkspace.performHapticFeedback(HapticFeedbackConstants.LONG_PRESS, 1609 HapticFeedbackConstants.FLAG_IGNORE_VIEW_SETTING); 1610 showAddDialog(cellInfo); 1611 } 1612 } else { 1613 if (!(cellInfo.cell instanceof Folder)) { 1614 // User long pressed on an item 1615 mWorkspace.performHapticFeedback(HapticFeedbackConstants.LONG_PRESS, 1616 HapticFeedbackConstants.FLAG_IGNORE_VIEW_SETTING); 1617 mWorkspace.startDrag(cellInfo); 1618 } 1619 } 1620 } 1621 return true; 1622 } 1623 1624 @SuppressWarnings({"unchecked"}) 1625 private void dismissPreview(final View v) { 1626 final PopupWindow window = (PopupWindow) v.getTag(); 1627 if (window != null) { 1628 window.setOnDismissListener(new PopupWindow.OnDismissListener() { 1629 public void onDismiss() { 1630 ViewGroup group = (ViewGroup) v.getTag(R.id.workspace); 1631 int count = group.getChildCount(); 1632 for (int i = 0; i < count; i++) { 1633 ((ImageView) group.getChildAt(i)).setImageDrawable(null); 1634 } 1635 ArrayList<Bitmap> bitmaps = (ArrayList<Bitmap>) v.getTag(R.id.icon); 1636 for (Bitmap bitmap : bitmaps) bitmap.recycle(); 1637 1638 v.setTag(R.id.workspace, null); 1639 v.setTag(R.id.icon, null); 1640 window.setOnDismissListener(null); 1641 } 1642 }); 1643 window.dismiss(); 1644 } 1645 v.setTag(null); 1646 } 1647 1648 private void showPreviews(View anchor) { 1649 showPreviews(anchor, 0, mWorkspace.getChildCount()); 1650 } 1651 1652 private void showPreviews(final View anchor, int start, int end) { 1653 final Resources resources = getResources(); 1654 final Workspace workspace = mWorkspace; 1655 1656 CellLayout cell = ((CellLayout) workspace.getChildAt(start)); 1657 1658 float max = workspace.getChildCount(); 1659 1660 final Rect r = new Rect(); 1661 resources.getDrawable(R.drawable.preview_background).getPadding(r); 1662 int extraW = (int) ((r.left + r.right) * max); 1663 int extraH = r.top + r.bottom; 1664 1665 int aW = cell.getWidth() - extraW; 1666 float w = aW / max; 1667 1668 int width = cell.getWidth(); 1669 int height = cell.getHeight(); 1670 int x = cell.getLeftPadding(); 1671 int y = cell.getTopPadding(); 1672 width -= (x + cell.getRightPadding()); 1673 height -= (y + cell.getBottomPadding()); 1674 1675 float scale = w / width; 1676 1677 int count = end - start; 1678 1679 final float sWidth = width * scale; 1680 float sHeight = height * scale; 1681 1682 LinearLayout preview = new LinearLayout(this); 1683 1684 PreviewTouchHandler handler = new PreviewTouchHandler(anchor); 1685 ArrayList<Bitmap> bitmaps = new ArrayList<Bitmap>(count); 1686 1687 for (int i = start; i < end; i++) { 1688 ImageView image = new ImageView(this); 1689 cell = (CellLayout) workspace.getChildAt(i); 1690 1691 final Bitmap bitmap = Bitmap.createBitmap((int) sWidth, (int) sHeight, 1692 Bitmap.Config.ARGB_8888); 1693 1694 final Canvas c = new Canvas(bitmap); 1695 c.scale(scale, scale); 1696 c.translate(-cell.getLeftPadding(), -cell.getTopPadding()); 1697 cell.dispatchDraw(c); 1698 1699 image.setBackgroundDrawable(resources.getDrawable(R.drawable.preview_background)); 1700 image.setImageBitmap(bitmap); 1701 image.setTag(i); 1702 image.setOnClickListener(handler); 1703 image.setOnFocusChangeListener(handler); 1704 image.setFocusable(true); 1705 if (i == mWorkspace.getCurrentScreen()) image.requestFocus(); 1706 1707 preview.addView(image, 1708 LinearLayout.LayoutParams.WRAP_CONTENT, LinearLayout.LayoutParams.WRAP_CONTENT); 1709 1710 bitmaps.add(bitmap); 1711 } 1712 1713 final PopupWindow p = new PopupWindow(this); 1714 p.setContentView(preview); 1715 p.setWidth((int) (sWidth * count + extraW)); 1716 p.setHeight((int) (sHeight + extraH)); 1717 p.setAnimationStyle(R.style.AnimationPreview); 1718 p.setOutsideTouchable(true); 1719 p.setFocusable(true); 1720 p.setBackgroundDrawable(new ColorDrawable(0)); 1721 p.showAsDropDown(anchor, 0, 0); 1722 1723 p.setOnDismissListener(new PopupWindow.OnDismissListener() { 1724 public void onDismiss() { 1725 dismissPreview(anchor); 1726 } 1727 }); 1728 1729 anchor.setTag(p); 1730 anchor.setTag(R.id.workspace, preview); 1731 anchor.setTag(R.id.icon, bitmaps); 1732 } 1733 1734 class PreviewTouchHandler implements View.OnClickListener, Runnable, View.OnFocusChangeListener { 1735 private final View mAnchor; 1736 1737 public PreviewTouchHandler(View anchor) { 1738 mAnchor = anchor; 1739 } 1740 1741 public void onClick(View v) { 1742 mWorkspace.snapToScreen((Integer) v.getTag()); 1743 v.post(this); 1744 } 1745 1746 public void run() { 1747 dismissPreview(mAnchor); 1748 } 1749 1750 public void onFocusChange(View v, boolean hasFocus) { 1751 if (hasFocus) { 1752 mWorkspace.snapToScreen((Integer) v.getTag()); 1753 } 1754 } 1755 } 1756 1757 Workspace getWorkspace() { 1758 return mWorkspace; 1759 } 1760 1761 @Override 1762 protected Dialog onCreateDialog(int id) { 1763 switch (id) { 1764 case DIALOG_CREATE_SHORTCUT: 1765 return new CreateShortcut().createDialog(); 1766 case DIALOG_RENAME_FOLDER: 1767 return new RenameFolder().createDialog(); 1768 } 1769 1770 return super.onCreateDialog(id); 1771 } 1772 1773 @Override 1774 protected void onPrepareDialog(int id, Dialog dialog) { 1775 switch (id) { 1776 case DIALOG_CREATE_SHORTCUT: 1777 break; 1778 case DIALOG_RENAME_FOLDER: 1779 if (mFolderInfo != null) { 1780 EditText input = (EditText) dialog.findViewById(R.id.folder_name); 1781 final CharSequence text = mFolderInfo.title; 1782 input.setText(text); 1783 input.setSelection(0, text.length()); 1784 } 1785 break; 1786 } 1787 } 1788 1789 void showRenameDialog(FolderInfo info) { 1790 mFolderInfo = info; 1791 mWaitingForResult = true; 1792 showDialog(DIALOG_RENAME_FOLDER); 1793 } 1794 1795 private void showAddDialog(CellLayout.CellInfo cellInfo) { 1796 mAddItemCellInfo = cellInfo; 1797 mWaitingForResult = true; 1798 showDialog(DIALOG_CREATE_SHORTCUT); 1799 } 1800 1801 private void pickShortcut() { 1802 Bundle bundle = new Bundle(); 1803 1804 ArrayList<String> shortcutNames = new ArrayList<String>(); 1805 shortcutNames.add(getString(R.string.group_applications)); 1806 bundle.putStringArrayList(Intent.EXTRA_SHORTCUT_NAME, shortcutNames); 1807 1808 ArrayList<ShortcutIconResource> shortcutIcons = new ArrayList<ShortcutIconResource>(); 1809 shortcutIcons.add(ShortcutIconResource.fromContext(Launcher.this, 1810 R.drawable.ic_launcher_application)); 1811 bundle.putParcelableArrayList(Intent.EXTRA_SHORTCUT_ICON_RESOURCE, shortcutIcons); 1812 1813 Intent pickIntent = new Intent(Intent.ACTION_PICK_ACTIVITY); 1814 pickIntent.putExtra(Intent.EXTRA_INTENT, new Intent(Intent.ACTION_CREATE_SHORTCUT)); 1815 pickIntent.putExtra(Intent.EXTRA_TITLE, getText(R.string.title_select_shortcut)); 1816 pickIntent.putExtras(bundle); 1817 1818 startActivityForResult(pickIntent, REQUEST_PICK_SHORTCUT); 1819 } 1820 1821 private class RenameFolder { 1822 private EditText mInput; 1823 1824 Dialog createDialog() { 1825 final View layout = View.inflate(Launcher.this, R.layout.rename_folder, null); 1826 mInput = (EditText) layout.findViewById(R.id.folder_name); 1827 1828 AlertDialog.Builder builder = new AlertDialog.Builder(Launcher.this); 1829 builder.setIcon(0); 1830 builder.setTitle(getString(R.string.rename_folder_title)); 1831 builder.setCancelable(true); 1832 builder.setOnCancelListener(new Dialog.OnCancelListener() { 1833 public void onCancel(DialogInterface dialog) { 1834 cleanup(); 1835 } 1836 }); 1837 builder.setNegativeButton(getString(R.string.cancel_action), 1838 new Dialog.OnClickListener() { 1839 public void onClick(DialogInterface dialog, int which) { 1840 cleanup(); 1841 } 1842 } 1843 ); 1844 builder.setPositiveButton(getString(R.string.rename_action), 1845 new Dialog.OnClickListener() { 1846 public void onClick(DialogInterface dialog, int which) { 1847 changeFolderName(); 1848 } 1849 } 1850 ); 1851 builder.setView(layout); 1852 1853 final AlertDialog dialog = builder.create(); 1854 dialog.setOnShowListener(new DialogInterface.OnShowListener() { 1855 public void onShow(DialogInterface dialog) { 1856 mWaitingForResult = true; 1857 mInput.requestFocus(); 1858 InputMethodManager inputManager = (InputMethodManager) 1859 getSystemService(Context.INPUT_METHOD_SERVICE); 1860 inputManager.showSoftInput(mInput, 0); 1861 } 1862 }); 1863 1864 return dialog; 1865 } 1866 1867 private void changeFolderName() { 1868 final String name = mInput.getText().toString(); 1869 if (!TextUtils.isEmpty(name)) { 1870 // Make sure we have the right folder info 1871 mFolderInfo = sFolders.get(mFolderInfo.id); 1872 mFolderInfo.title = name; 1873 LauncherModel.updateItemInDatabase(Launcher.this, mFolderInfo); 1874 1875 if (mWorkspaceLoading) { 1876 lockAllApps(); 1877 mModel.startLoader(Launcher.this, false); 1878 } else { 1879 final FolderIcon folderIcon = (FolderIcon) 1880 mWorkspace.getViewForTag(mFolderInfo); 1881 if (folderIcon != null) { 1882 folderIcon.setText(name); 1883 getWorkspace().requestLayout(); 1884 } else { 1885 lockAllApps(); 1886 mWorkspaceLoading = true; 1887 mModel.startLoader(Launcher.this, false); 1888 } 1889 } 1890 } 1891 cleanup(); 1892 } 1893 1894 private void cleanup() { 1895 dismissDialog(DIALOG_RENAME_FOLDER); 1896 mWaitingForResult = false; 1897 mFolderInfo = null; 1898 } 1899 } 1900 1901 // Now a part of LauncherModel.Callbacks. Used to reorder loading steps. 1902 public boolean isAllAppsVisible() { 1903 return (mAllAppsGrid != null) ? mAllAppsGrid.isVisible() : false; 1904 } 1905 1906 // AllAppsView.Watcher 1907 public void zoomed(float zoom) { 1908 if (zoom == 1.0f) { 1909 mWorkspace.setVisibility(View.GONE); 1910 } 1911 } 1912 1913 void showAllApps(boolean animated) { 1914 mAllAppsGrid.zoom(1.0f, animated); 1915 1916 ((View) mAllAppsGrid).setFocusable(true); 1917 ((View) mAllAppsGrid).requestFocus(); 1918 1919 // TODO: fade these two too 1920 mDeleteZone.setVisibility(View.GONE); 1921 } 1922 1923 /** 1924 * Things to test when changing this code. 1925 * - Home from workspace 1926 * - from center screen 1927 * - from other screens 1928 * - Home from all apps 1929 * - from center screen 1930 * - from other screens 1931 * - Back from all apps 1932 * - from center screen 1933 * - from other screens 1934 * - Launch app from workspace and quit 1935 * - with back 1936 * - with home 1937 * - Launch app from all apps and quit 1938 * - with back 1939 * - with home 1940 * - Go to a screen that's not the default, then all 1941 * apps, and launch and app, and go back 1942 * - with back 1943 * -with home 1944 * - On workspace, long press power and go back 1945 * - with back 1946 * - with home 1947 * - On all apps, long press power and go back 1948 * - with back 1949 * - with home 1950 * - On workspace, power off 1951 * - On all apps, power off 1952 * - Launch an app and turn off the screen while in that app 1953 * - Go back with home key 1954 * - Go back with back key TODO: make this not go to workspace 1955 * - From all apps 1956 * - From workspace 1957 * - Enter and exit car mode (becuase it causes an extra configuration changed) 1958 * - From all apps 1959 * - From the center workspace 1960 * - From another workspace 1961 */ 1962 void closeAllApps(boolean animated) { 1963 if (mAllAppsGrid.isVisible()) { 1964 mWorkspace.setVisibility(View.VISIBLE); 1965 mAllAppsGrid.zoom(0.0f, animated); 1966 ((View)mAllAppsGrid).setFocusable(false); 1967 mWorkspace.getChildAt(mWorkspace.getCurrentScreen()).requestFocus(); 1968 } 1969 } 1970 1971 void lockAllApps() { 1972 // TODO 1973 } 1974 1975 void unlockAllApps() { 1976 // TODO 1977 } 1978 1979 /** 1980 * Displays the shortcut creation dialog and launches, if necessary, the 1981 * appropriate activity. 1982 */ 1983 private class CreateShortcut implements DialogInterface.OnClickListener, 1984 DialogInterface.OnCancelListener, DialogInterface.OnDismissListener, 1985 DialogInterface.OnShowListener { 1986 1987 private AddAdapter mAdapter; 1988 1989 Dialog createDialog() { 1990 mAdapter = new AddAdapter(Launcher.this); 1991 1992 final AlertDialog.Builder builder = new AlertDialog.Builder(Launcher.this); 1993 builder.setTitle(getString(R.string.menu_item_add_item)); 1994 builder.setAdapter(mAdapter, this); 1995 1996 builder.setInverseBackgroundForced(true); 1997 1998 AlertDialog dialog = builder.create(); 1999 dialog.setOnCancelListener(this); 2000 dialog.setOnDismissListener(this); 2001 dialog.setOnShowListener(this); 2002 2003 return dialog; 2004 } 2005 2006 public void onCancel(DialogInterface dialog) { 2007 mWaitingForResult = false; 2008 cleanup(); 2009 } 2010 2011 public void onDismiss(DialogInterface dialog) { 2012 } 2013 2014 private void cleanup() { 2015 try { 2016 dismissDialog(DIALOG_CREATE_SHORTCUT); 2017 } catch (Exception e) { 2018 // An exception is thrown if the dialog is not visible, which is fine 2019 } 2020 } 2021 2022 /** 2023 * Handle the action clicked in the "Add to home" dialog. 2024 */ 2025 public void onClick(DialogInterface dialog, int which) { 2026 Resources res = getResources(); 2027 cleanup(); 2028 2029 switch (which) { 2030 case AddAdapter.ITEM_SHORTCUT: { 2031 // Insert extra item to handle picking application 2032 pickShortcut(); 2033 break; 2034 } 2035 2036 case AddAdapter.ITEM_APPWIDGET: { 2037 int appWidgetId = Launcher.this.mAppWidgetHost.allocateAppWidgetId(); 2038 2039 Intent pickIntent = new Intent(AppWidgetManager.ACTION_APPWIDGET_PICK); 2040 pickIntent.putExtra(AppWidgetManager.EXTRA_APPWIDGET_ID, appWidgetId); 2041 // start the pick activity 2042 startActivityForResult(pickIntent, REQUEST_PICK_APPWIDGET); 2043 break; 2044 } 2045 2046 case AddAdapter.ITEM_LIVE_FOLDER: { 2047 // Insert extra item to handle inserting folder 2048 Bundle bundle = new Bundle(); 2049 2050 ArrayList<String> shortcutNames = new ArrayList<String>(); 2051 shortcutNames.add(res.getString(R.string.group_folder)); 2052 bundle.putStringArrayList(Intent.EXTRA_SHORTCUT_NAME, shortcutNames); 2053 2054 ArrayList<ShortcutIconResource> shortcutIcons = 2055 new ArrayList<ShortcutIconResource>(); 2056 shortcutIcons.add(ShortcutIconResource.fromContext(Launcher.this, 2057 R.drawable.ic_launcher_folder)); 2058 bundle.putParcelableArrayList(Intent.EXTRA_SHORTCUT_ICON_RESOURCE, shortcutIcons); 2059 2060 Intent pickIntent = new Intent(Intent.ACTION_PICK_ACTIVITY); 2061 pickIntent.putExtra(Intent.EXTRA_INTENT, 2062 new Intent(LiveFolders.ACTION_CREATE_LIVE_FOLDER)); 2063 pickIntent.putExtra(Intent.EXTRA_TITLE, 2064 getText(R.string.title_select_live_folder)); 2065 pickIntent.putExtras(bundle); 2066 2067 startActivityForResult(pickIntent, REQUEST_PICK_LIVE_FOLDER); 2068 break; 2069 } 2070 2071 case AddAdapter.ITEM_WALLPAPER: { 2072 startWallpaper(); 2073 break; 2074 } 2075 } 2076 } 2077 2078 public void onShow(DialogInterface dialog) { 2079 mWaitingForResult = true; 2080 } 2081 } 2082 2083 /** 2084 * Receives notifications when applications are added/removed. 2085 */ 2086 private class CloseSystemDialogsIntentReceiver extends BroadcastReceiver { 2087 @Override 2088 public void onReceive(Context context, Intent intent) { 2089 closeSystemDialogs(); 2090 String reason = intent.getStringExtra("reason"); 2091 if (!"homekey".equals(reason)) { 2092 boolean animate = true; 2093 if (mPaused || "lock".equals(reason)) { 2094 animate = false; 2095 } 2096 closeAllApps(animate); 2097 } 2098 } 2099 } 2100 2101 /** 2102 * Receives notifications whenever the appwidgets are reset. 2103 */ 2104 private class AppWidgetResetObserver extends ContentObserver { 2105 public AppWidgetResetObserver() { 2106 super(new Handler()); 2107 } 2108 2109 @Override 2110 public void onChange(boolean selfChange) { 2111 onAppWidgetReset(); 2112 } 2113 } 2114 2115 /** 2116 * Implementation of the method from LauncherModel.Callbacks. 2117 */ 2118 public int getCurrentWorkspaceScreen() { 2119 if (mWorkspace != null) { 2120 return mWorkspace.getCurrentScreen(); 2121 } else { 2122 return SCREEN_COUNT / 2; 2123 } 2124 } 2125 2126 /** 2127 * Refreshes the shortcuts shown on the workspace. 2128 * 2129 * Implementation of the method from LauncherModel.Callbacks. 2130 */ 2131 public void startBinding() { 2132 final Workspace workspace = mWorkspace; 2133 int count = workspace.getChildCount(); 2134 for (int i = 0; i < count; i++) { 2135 // Use removeAllViewsInLayout() to avoid an extra requestLayout() and invalidate(). 2136 ((ViewGroup) workspace.getChildAt(i)).removeAllViewsInLayout(); 2137 } 2138 2139 if (DEBUG_USER_INTERFACE) { 2140 android.widget.Button finishButton = new android.widget.Button(this); 2141 finishButton.setText("Finish"); 2142 workspace.addInScreen(finishButton, 1, 0, 0, 1, 1); 2143 2144 finishButton.setOnClickListener(new android.widget.Button.OnClickListener() { 2145 public void onClick(View v) { 2146 finish(); 2147 } 2148 }); 2149 } 2150 } 2151 2152 /** 2153 * Bind the items start-end from the list. 2154 * 2155 * Implementation of the method from LauncherModel.Callbacks. 2156 */ 2157 public void bindItems(ArrayList<ItemInfo> shortcuts, int start, int end) { 2158 2159 final Workspace workspace = mWorkspace; 2160 2161 for (int i=start; i<end; i++) { 2162 final ItemInfo item = shortcuts.get(i); 2163 mDesktopItems.add(item); 2164 switch (item.itemType) { 2165 case LauncherSettings.Favorites.ITEM_TYPE_APPLICATION: 2166 case LauncherSettings.Favorites.ITEM_TYPE_SHORTCUT: 2167 final View shortcut = createShortcut((ShortcutInfo)item); 2168 workspace.addInScreen(shortcut, item.screen, item.cellX, item.cellY, 1, 1, 2169 false); 2170 break; 2171 case LauncherSettings.Favorites.ITEM_TYPE_USER_FOLDER: 2172 final FolderIcon newFolder = FolderIcon.fromXml(R.layout.folder_icon, this, 2173 (ViewGroup) workspace.getChildAt(workspace.getCurrentScreen()), 2174 (UserFolderInfo) item); 2175 workspace.addInScreen(newFolder, item.screen, item.cellX, item.cellY, 1, 1, 2176 false); 2177 break; 2178 case LauncherSettings.Favorites.ITEM_TYPE_LIVE_FOLDER: 2179 final FolderIcon newLiveFolder = LiveFolderIcon.fromXml( 2180 R.layout.live_folder_icon, this, 2181 (ViewGroup) workspace.getChildAt(workspace.getCurrentScreen()), 2182 (LiveFolderInfo) item); 2183 workspace.addInScreen(newLiveFolder, item.screen, item.cellX, item.cellY, 1, 1, 2184 false); 2185 break; 2186 } 2187 } 2188 2189 workspace.requestLayout(); 2190 } 2191 2192 /** 2193 * Implementation of the method from LauncherModel.Callbacks. 2194 */ 2195 public void bindFolders(HashMap<Long, FolderInfo> folders) { 2196 sFolders.clear(); 2197 sFolders.putAll(folders); 2198 } 2199 2200 /** 2201 * Add the views for a widget to the workspace. 2202 * 2203 * Implementation of the method from LauncherModel.Callbacks. 2204 */ 2205 public void bindAppWidget(LauncherAppWidgetInfo item) { 2206 final long start = DEBUG_WIDGETS ? SystemClock.uptimeMillis() : 0; 2207 if (DEBUG_WIDGETS) { 2208 Log.d(TAG, "bindAppWidget: " + item); 2209 } 2210 final Workspace workspace = mWorkspace; 2211 2212 final int appWidgetId = item.appWidgetId; 2213 final AppWidgetProviderInfo appWidgetInfo = mAppWidgetManager.getAppWidgetInfo(appWidgetId); 2214 if (DEBUG_WIDGETS) { 2215 Log.d(TAG, "bindAppWidget: id=" + item.appWidgetId + " belongs to component " + appWidgetInfo.provider); 2216 } 2217 2218 item.hostView = mAppWidgetHost.createView(this, appWidgetId, appWidgetInfo); 2219 2220 item.hostView.setAppWidget(appWidgetId, appWidgetInfo); 2221 item.hostView.setTag(item); 2222 2223 workspace.addInScreen(item.hostView, item.screen, item.cellX, 2224 item.cellY, item.spanX, item.spanY, false); 2225 2226 workspace.requestLayout(); 2227 2228 mDesktopItems.add(item); 2229 2230 if (DEBUG_WIDGETS) { 2231 Log.d(TAG, "bound widget id="+item.appWidgetId+" in " 2232 + (SystemClock.uptimeMillis()-start) + "ms"); 2233 } 2234 } 2235 2236 /** 2237 * Callback saying that there aren't any more items to bind. 2238 * 2239 * Implementation of the method from LauncherModel.Callbacks. 2240 */ 2241 public void finishBindingItems() { 2242 if (mSavedState != null) { 2243 if (!mWorkspace.hasFocus()) { 2244 mWorkspace.getChildAt(mWorkspace.getCurrentScreen()).requestFocus(); 2245 } 2246 2247 final long[] userFolders = mSavedState.getLongArray(RUNTIME_STATE_USER_FOLDERS); 2248 if (userFolders != null) { 2249 for (long folderId : userFolders) { 2250 final FolderInfo info = sFolders.get(folderId); 2251 if (info != null) { 2252 openFolder(info); 2253 } 2254 } 2255 final Folder openFolder = mWorkspace.getOpenFolder(); 2256 if (openFolder != null) { 2257 openFolder.requestFocus(); 2258 } 2259 } 2260 2261 mSavedState = null; 2262 } 2263 2264 if (mSavedInstanceState != null) { 2265 super.onRestoreInstanceState(mSavedInstanceState); 2266 mSavedInstanceState = null; 2267 } 2268 2269 mWorkspaceLoading = false; 2270 } 2271 2272 /** 2273 * Add the icons for all apps. 2274 * 2275 * Implementation of the method from LauncherModel.Callbacks. 2276 */ 2277 public void bindAllApplications(ArrayList<ApplicationInfo> apps) { 2278 mAllAppsGrid.setApps(apps); 2279 } 2280 2281 /** 2282 * A package was installed. 2283 * 2284 * Implementation of the method from LauncherModel.Callbacks. 2285 */ 2286 public void bindAppsAdded(ArrayList<ApplicationInfo> apps) { 2287 removeDialog(DIALOG_CREATE_SHORTCUT); 2288 mAllAppsGrid.addApps(apps); 2289 } 2290 2291 /** 2292 * A package was updated. 2293 * 2294 * Implementation of the method from LauncherModel.Callbacks. 2295 */ 2296 public void bindAppsUpdated(ArrayList<ApplicationInfo> apps) { 2297 removeDialog(DIALOG_CREATE_SHORTCUT); 2298 mWorkspace.updateShortcuts(apps); 2299 mAllAppsGrid.updateApps(apps); 2300 } 2301 2302 /** 2303 * A package was uninstalled. 2304 * 2305 * Implementation of the method from LauncherModel.Callbacks. 2306 */ 2307 public void bindAppsRemoved(ArrayList<ApplicationInfo> apps, boolean permanent) { 2308 removeDialog(DIALOG_CREATE_SHORTCUT); 2309 if (permanent) { 2310 mWorkspace.removeItems(apps); 2311 } 2312 mAllAppsGrid.removeApps(apps); 2313 } 2314 2315 /** 2316 * Prints out out state for debugging. 2317 */ 2318 public void dumpState() { 2319 Log.d(TAG, "BEGIN launcher2 dump state for launcher " + this); 2320 Log.d(TAG, "mSavedState=" + mSavedState); 2321 Log.d(TAG, "mWorkspaceLoading=" + mWorkspaceLoading); 2322 Log.d(TAG, "mRestoring=" + mRestoring); 2323 Log.d(TAG, "mWaitingForResult=" + mWaitingForResult); 2324 Log.d(TAG, "mSavedInstanceState=" + mSavedInstanceState); 2325 Log.d(TAG, "mDesktopItems.size=" + mDesktopItems.size()); 2326 Log.d(TAG, "sFolders.size=" + sFolders.size()); 2327 mModel.dumpState(); 2328 mAllAppsGrid.dumpState(); 2329 Log.d(TAG, "END launcher2 dump state"); 2330 } 2331} 2332