Launcher.java revision e50adee3d54978840036bb3a814771ce498aee18
1 2/* 3 * Copyright (C) 2008 The Android Open Source Project 4 * 5 * Licensed under the Apache License, Version 2.0 (the "License"); 6 * you may not use this file except in compliance with the License. 7 * You may obtain a copy of the License at 8 * 9 * http://www.apache.org/licenses/LICENSE-2.0 10 * 11 * Unless required by applicable law or agreed to in writing, software 12 * distributed under the License is distributed on an "AS IS" BASIS, 13 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 14 * See the License for the specific language governing permissions and 15 * limitations under the License. 16 */ 17 18package com.android.launcher2; 19 20import android.animation.Animator; 21import android.animation.AnimatorListenerAdapter; 22import android.animation.AnimatorSet; 23import android.animation.ObjectAnimator; 24import android.animation.PropertyValuesHolder; 25import android.animation.ValueAnimator; 26import android.app.Activity; 27import android.app.AlertDialog; 28import android.app.Dialog; 29import android.app.SearchManager; 30import android.app.StatusBarManager; 31import android.appwidget.AppWidgetManager; 32import android.appwidget.AppWidgetProviderInfo; 33import android.content.ActivityNotFoundException; 34import android.content.BroadcastReceiver; 35import android.content.ClipData; 36import android.content.ClipDescription; 37import android.content.ComponentName; 38import android.content.ContentResolver; 39import android.content.Context; 40import android.content.DialogInterface; 41import android.content.Intent; 42import android.content.IntentFilter; 43import android.content.Intent.ShortcutIconResource; 44import android.content.pm.ActivityInfo; 45import android.content.pm.PackageManager; 46import android.content.pm.PackageManager.NameNotFoundException; 47import android.content.res.Configuration; 48import android.content.res.Resources; 49import android.database.ContentObserver; 50import android.graphics.Rect; 51import android.graphics.drawable.Drawable; 52import android.net.Uri; 53import android.os.AsyncTask; 54import android.os.Build; 55import android.os.Bundle; 56import android.os.Environment; 57import android.os.Handler; 58import android.os.Message; 59import android.os.SystemClock; 60import android.os.SystemProperties; 61import android.provider.Settings; 62import android.speech.RecognizerIntent; 63import android.text.Selection; 64import android.text.SpannableStringBuilder; 65import android.text.TextUtils; 66import android.text.method.TextKeyListener; 67import android.util.Log; 68import android.view.Display; 69import android.view.HapticFeedbackConstants; 70import android.view.KeyEvent; 71import android.view.LayoutInflater; 72import android.view.Menu; 73import android.view.MenuItem; 74import android.view.MotionEvent; 75import android.view.Surface; 76import android.view.View; 77import android.view.ViewGroup; 78import android.view.View.OnLongClickListener; 79import android.view.accessibility.AccessibilityEvent; 80import android.view.animation.DecelerateInterpolator; 81import android.view.inputmethod.InputMethodManager; 82import android.widget.Advanceable; 83import android.widget.EditText; 84import android.widget.ImageView; 85import android.widget.TextView; 86import android.widget.Toast; 87 88import com.android.common.Search; 89import com.android.launcher.R; 90 91import java.io.DataInputStream; 92import java.io.DataOutputStream; 93import java.io.FileNotFoundException; 94import java.io.IOException; 95import java.util.ArrayList; 96import java.util.HashMap; 97 98/** 99 * Default launcher application. 100 */ 101public final class Launcher extends Activity 102 implements View.OnClickListener, OnLongClickListener, LauncherModel.Callbacks, 103 AllAppsView.Watcher, View.OnTouchListener { 104 static final String TAG = "Launcher"; 105 static final boolean LOGD = false; 106 107 static final boolean PROFILE_STARTUP = false; 108 static final boolean DEBUG_WIDGETS = false; 109 110 private static final int MENU_GROUP_ADD = 1; 111 private static final int MENU_GROUP_WALLPAPER = MENU_GROUP_ADD + 1; 112 113 private static final int MENU_ADD = Menu.FIRST + 1; 114 private static final int MENU_MANAGE_APPS = MENU_ADD + 1; 115 private static final int MENU_WALLPAPER_SETTINGS = MENU_MANAGE_APPS + 1; 116 private static final int MENU_SEARCH = MENU_WALLPAPER_SETTINGS + 1; 117 private static final int MENU_NOTIFICATIONS = MENU_SEARCH + 1; 118 private static final int MENU_SETTINGS = MENU_NOTIFICATIONS + 1; 119 120 private static final int REQUEST_CREATE_SHORTCUT = 1; 121 private static final int REQUEST_CREATE_APPWIDGET = 5; 122 private static final int REQUEST_PICK_APPLICATION = 6; 123 private static final int REQUEST_PICK_SHORTCUT = 7; 124 private static final int REQUEST_PICK_APPWIDGET = 9; 125 private static final int REQUEST_PICK_WALLPAPER = 10; 126 127 static final String EXTRA_SHORTCUT_DUPLICATE = "duplicate"; 128 129 static final int SCREEN_COUNT = 5; 130 static final int DEFAULT_SCREEN = 2; 131 132 static final int DIALOG_CREATE_SHORTCUT = 1; 133 static final int DIALOG_RENAME_FOLDER = 2; 134 135 private static final String PREFERENCES = "launcher.preferences"; 136 137 // Type: int 138 private static final String RUNTIME_STATE_CURRENT_SCREEN = "launcher.current_screen"; 139 // Type: int 140 private static final String RUNTIME_STATE = "launcher.state"; 141 // Type: int 142 private static final String RUNTIME_STATE_PENDING_ADD_CONTAINER = "launcher.add_container"; 143 // Type: int 144 private static final String RUNTIME_STATE_PENDING_ADD_SCREEN = "launcher.add_screen"; 145 // Type: int 146 private static final String RUNTIME_STATE_PENDING_ADD_CELL_X = "launcher.add_cell_x"; 147 // Type: int 148 private static final String RUNTIME_STATE_PENDING_ADD_CELL_Y = "launcher.add_cell_y"; 149 // Type: boolean 150 private static final String RUNTIME_STATE_PENDING_FOLDER_RENAME = "launcher.rename_folder"; 151 // Type: long 152 private static final String RUNTIME_STATE_PENDING_FOLDER_RENAME_ID = "launcher.rename_folder_id"; 153 154 private static final String TOOLBAR_ICON_METADATA_NAME = "com.android.launcher.toolbar_icon"; 155 156 /** The different states that Launcher can be in. */ 157 private enum State { WORKSPACE, APPS_CUSTOMIZE, APPS_CUSTOMIZE_SPRING_LOADED }; 158 private State mState = State.WORKSPACE; 159 private AnimatorSet mStateAnimation; 160 161 static final int APPWIDGET_HOST_ID = 1024; 162 private static final int EXIT_SPRINGLOADED_MODE_SHORT_TIMEOUT = 300; 163 private static final int EXIT_SPRINGLOADED_MODE_LONG_TIMEOUT = 600; 164 165 private static final Object sLock = new Object(); 166 private static int sScreen = DEFAULT_SCREEN; 167 168 private final BroadcastReceiver mCloseSystemDialogsReceiver 169 = new CloseSystemDialogsIntentReceiver(); 170 private final ContentObserver mWidgetObserver = new AppWidgetResetObserver(); 171 172 private LayoutInflater mInflater; 173 174 private DragController mDragController; 175 private Workspace mWorkspace; 176 177 private AppWidgetManager mAppWidgetManager; 178 private LauncherAppWidgetHost mAppWidgetHost; 179 180 private ItemInfo mPendingAddInfo = new ItemInfo(); 181 private int[] mTmpAddItemCellCoordinates = new int[2]; 182 183 private FolderInfo mFolderInfo; 184 185 private Hotseat mHotseat; 186 private View mAllAppsButton; 187 188 private SearchDropTargetBar mSearchDeleteBar; 189 private AppsCustomizeTabHost mAppsCustomizeTabHost; 190 private AppsCustomizePagedView mAppsCustomizeContent; 191 private boolean mAutoAdvanceRunning = false; 192 193 private Bundle mSavedState; 194 195 private SpannableStringBuilder mDefaultKeySsb = null; 196 197 private boolean mWorkspaceLoading = true; 198 199 private boolean mPaused = true; 200 private boolean mRestoring; 201 private boolean mWaitingForResult; 202 private boolean mOnResumeNeedsLoad; 203 204 private Bundle mSavedInstanceState; 205 206 private LauncherModel mModel; 207 private IconCache mIconCache; 208 private boolean mUserPresent = true; 209 private boolean mVisible = false; 210 private boolean mAttached = false; 211 212 private static LocaleConfiguration sLocaleConfiguration = null; 213 214 private static HashMap<Long, FolderInfo> sFolders = new HashMap<Long, FolderInfo>(); 215 216 private Intent mAppMarketIntent = null; 217 218 // Related to the auto-advancing of widgets 219 private final int ADVANCE_MSG = 1; 220 private final int mAdvanceInterval = 20000; 221 private final int mAdvanceStagger = 250; 222 private long mAutoAdvanceSentTime; 223 private long mAutoAdvanceTimeLeft = -1; 224 private HashMap<View, AppWidgetProviderInfo> mWidgetsToAdvance = 225 new HashMap<View, AppWidgetProviderInfo>(); 226 227 // Determines how long to wait after a rotation before restoring the screen orientation to 228 // match the sensor state. 229 private final int mRestoreScreenOrientationDelay = 500; 230 231 // External icons saved in case of resource changes, orientation, etc. 232 private static Drawable.ConstantState sGlobalSearchIcon; 233 private static Drawable.ConstantState sVoiceSearchIcon; 234 private static Drawable.ConstantState sAppMarketIcon; 235 236 private DragLayer mDragLayer; 237 238 private BubbleTextView mWaitingForResume; 239 240 private static ArrayList<PendingAddArguments> sPendingAddList 241 = new ArrayList<PendingAddArguments>(); 242 243 private static class PendingAddArguments { 244 int requestCode; 245 Intent intent; 246 long container; 247 int screen; 248 int cellX; 249 int cellY; 250 } 251 252 @Override 253 protected void onCreate(Bundle savedInstanceState) { 254 super.onCreate(savedInstanceState); 255 LauncherApplication app = ((LauncherApplication)getApplication()); 256 mModel = app.setLauncher(this); 257 mIconCache = app.getIconCache(); 258 mDragController = new DragController(this); 259 mInflater = getLayoutInflater(); 260 261 mAppWidgetManager = AppWidgetManager.getInstance(this); 262 mAppWidgetHost = new LauncherAppWidgetHost(this, APPWIDGET_HOST_ID); 263 mAppWidgetHost.startListening(); 264 265 if (PROFILE_STARTUP) { 266 android.os.Debug.startMethodTracing( 267 Environment.getExternalStorageDirectory() + "/launcher"); 268 } 269 270 checkForLocaleChange(); 271 setContentView(R.layout.launcher); 272 setupViews(); 273 274 registerContentObservers(); 275 276 lockAllApps(); 277 278 mSavedState = savedInstanceState; 279 restoreState(mSavedState); 280 281 // Update customization drawer _after_ restoring the states 282 if (mAppsCustomizeContent != null) { 283 mAppsCustomizeContent.onPackagesUpdated(); 284 } 285 286 if (PROFILE_STARTUP) { 287 android.os.Debug.stopMethodTracing(); 288 } 289 290 if (!mRestoring) { 291 mModel.startLoader(this, true); 292 } 293 294 if (!mModel.isAllAppsLoaded()) { 295 ViewGroup appsCustomizeContentParent = (ViewGroup) mAppsCustomizeContent.getParent(); 296 mInflater.inflate(R.layout.apps_customize_progressbar, appsCustomizeContentParent); 297 } 298 299 // For handling default keys 300 mDefaultKeySsb = new SpannableStringBuilder(); 301 Selection.setSelection(mDefaultKeySsb, 0); 302 303 IntentFilter filter = new IntentFilter(Intent.ACTION_CLOSE_SYSTEM_DIALOGS); 304 registerReceiver(mCloseSystemDialogsReceiver, filter); 305 306 // If we have a saved version of these external icons, we load them up immediately 307 if (sGlobalSearchIcon == null || sVoiceSearchIcon == null || sAppMarketIcon == null) { 308 updateIconsAffectedByPackageManagerChanges(); 309 updateGlobalSearchIcon(); 310 } 311 if (sGlobalSearchIcon != null) { 312 updateGlobalSearchIcon(sGlobalSearchIcon); 313 } 314 if (sVoiceSearchIcon != null) { 315 updateVoiceSearchIcon(sVoiceSearchIcon); 316 } 317 if (sAppMarketIcon != null) { 318 updateAppMarketIcon(sAppMarketIcon); 319 } 320 } 321 322 private void checkForLocaleChange() { 323 if (sLocaleConfiguration == null) { 324 new AsyncTask<Void, Void, LocaleConfiguration>() { 325 @Override 326 protected LocaleConfiguration doInBackground(Void... unused) { 327 LocaleConfiguration localeConfiguration = new LocaleConfiguration(); 328 readConfiguration(Launcher.this, localeConfiguration); 329 return localeConfiguration; 330 } 331 332 @Override 333 protected void onPostExecute(LocaleConfiguration result) { 334 sLocaleConfiguration = result; 335 checkForLocaleChange(); // recursive, but now with a locale configuration 336 } 337 }.execute(); 338 return; 339 } 340 341 final Configuration configuration = getResources().getConfiguration(); 342 343 final String previousLocale = sLocaleConfiguration.locale; 344 final String locale = configuration.locale.toString(); 345 346 final int previousMcc = sLocaleConfiguration.mcc; 347 final int mcc = configuration.mcc; 348 349 final int previousMnc = sLocaleConfiguration.mnc; 350 final int mnc = configuration.mnc; 351 352 boolean localeChanged = !locale.equals(previousLocale) || mcc != previousMcc || mnc != previousMnc; 353 354 if (localeChanged) { 355 sLocaleConfiguration.locale = locale; 356 sLocaleConfiguration.mcc = mcc; 357 sLocaleConfiguration.mnc = mnc; 358 359 mIconCache.flush(); 360 361 final LocaleConfiguration localeConfiguration = sLocaleConfiguration; 362 new Thread("WriteLocaleConfiguration") { 363 @Override 364 public void run() { 365 writeConfiguration(Launcher.this, localeConfiguration); 366 } 367 }.start(); 368 } 369 } 370 371 private static class LocaleConfiguration { 372 public String locale; 373 public int mcc = -1; 374 public int mnc = -1; 375 } 376 377 private static void readConfiguration(Context context, LocaleConfiguration configuration) { 378 DataInputStream in = null; 379 try { 380 in = new DataInputStream(context.openFileInput(PREFERENCES)); 381 configuration.locale = in.readUTF(); 382 configuration.mcc = in.readInt(); 383 configuration.mnc = in.readInt(); 384 } catch (FileNotFoundException e) { 385 // Ignore 386 } catch (IOException e) { 387 // Ignore 388 } finally { 389 if (in != null) { 390 try { 391 in.close(); 392 } catch (IOException e) { 393 // Ignore 394 } 395 } 396 } 397 } 398 399 private static void writeConfiguration(Context context, LocaleConfiguration configuration) { 400 DataOutputStream out = null; 401 try { 402 out = new DataOutputStream(context.openFileOutput(PREFERENCES, MODE_PRIVATE)); 403 out.writeUTF(configuration.locale); 404 out.writeInt(configuration.mcc); 405 out.writeInt(configuration.mnc); 406 out.flush(); 407 } catch (FileNotFoundException e) { 408 // Ignore 409 } catch (IOException e) { 410 //noinspection ResultOfMethodCallIgnored 411 context.getFileStreamPath(PREFERENCES).delete(); 412 } finally { 413 if (out != null) { 414 try { 415 out.close(); 416 } catch (IOException e) { 417 // Ignore 418 } 419 } 420 } 421 } 422 423 public DragLayer getDragLayer() { 424 return mDragLayer; 425 } 426 427 static int getScreen() { 428 synchronized (sLock) { 429 return sScreen; 430 } 431 } 432 433 static void setScreen(int screen) { 434 synchronized (sLock) { 435 sScreen = screen; 436 } 437 } 438 439 /** 440 * Returns whether we should delay spring loaded mode -- for shortcuts and widgets that have 441 * a configuration step, this allows the proper animations to run after other transitions. 442 */ 443 private boolean completeAdd(PendingAddArguments args) { 444 boolean result = false; 445 switch (args.requestCode) { 446 case REQUEST_PICK_APPLICATION: 447 completeAddApplication(args.intent, args.container, args.screen, args.cellX, 448 args.cellY); 449 break; 450 case REQUEST_PICK_SHORTCUT: 451 processShortcut(args.intent); 452 break; 453 case REQUEST_CREATE_SHORTCUT: 454 completeAddShortcut(args.intent, args.container, args.screen, args.cellX, 455 args.cellY); 456 result = true; 457 break; 458 case REQUEST_PICK_APPWIDGET: 459 addAppWidgetFromPick(args.intent); 460 break; 461 case REQUEST_CREATE_APPWIDGET: 462 int appWidgetId = args.intent.getIntExtra(AppWidgetManager.EXTRA_APPWIDGET_ID, -1); 463 completeAddAppWidget(appWidgetId, args.container, args.screen); 464 result = true; 465 break; 466 case REQUEST_PICK_WALLPAPER: 467 // We just wanted the activity result here so we can clear mWaitingForResult 468 break; 469 } 470 // In any situation where we have a multi-step drop, we should reset the add info only after 471 // we complete the drop 472 resetAddInfo(); 473 return result; 474 } 475 476 @Override 477 protected void onActivityResult(final int requestCode, int resultCode, final Intent data) { 478 boolean delayExitSpringLoadedMode = false; 479 mWaitingForResult = false; 480 481 // The pattern used here is that a user PICKs a specific application, 482 // which, depending on the target, might need to CREATE the actual target. 483 484 // For example, the user would PICK_SHORTCUT for "Music playlist", and we 485 // launch over to the Music app to actually CREATE_SHORTCUT. 486 if (resultCode == RESULT_OK && mPendingAddInfo.container != ItemInfo.NO_ID) { 487 final PendingAddArguments args = new PendingAddArguments(); 488 args.requestCode = requestCode; 489 args.intent = data; 490 args.container = mPendingAddInfo.container; 491 args.screen = mPendingAddInfo.screen; 492 args.cellX = mPendingAddInfo.cellX; 493 args.cellY = mPendingAddInfo.cellY; 494 495 // If the loader is still running, defer the add until it is done. 496 if (isWorkspaceLocked()) { 497 sPendingAddList.add(args); 498 } else { 499 delayExitSpringLoadedMode = completeAdd(args); 500 } 501 } else if ((requestCode == REQUEST_PICK_APPWIDGET || 502 requestCode == REQUEST_CREATE_APPWIDGET) && resultCode == RESULT_CANCELED) { 503 if (data != null) { 504 // Clean up the appWidgetId if we canceled 505 int appWidgetId = data.getIntExtra(AppWidgetManager.EXTRA_APPWIDGET_ID, -1); 506 if (appWidgetId != -1) { 507 mAppWidgetHost.deleteAppWidgetId(appWidgetId); 508 } 509 } 510 } 511 512 // Exit spring loaded mode if necessary after cancelling the configuration of a widget 513 exitSpringLoadedDragModeDelayed((resultCode != RESULT_CANCELED), delayExitSpringLoadedMode); 514 } 515 516 @Override 517 protected void onResume() { 518 super.onResume(); 519 mPaused = false; 520 if (mRestoring || mOnResumeNeedsLoad) { 521 mWorkspaceLoading = true; 522 mModel.startLoader(this, true); 523 mRestoring = false; 524 mOnResumeNeedsLoad = false; 525 } 526 if (mWaitingForResume != null) { 527 mWaitingForResume.setStayPressed(false); 528 } 529 // When we resume Launcher, a different Activity might be responsible for the app 530 // market intent, so refresh the icon 531 updateAppMarketIcon(); 532 } 533 534 @Override 535 protected void onPause() { 536 super.onPause(); 537 mPaused = true; 538 mDragController.cancelDrag(); 539 } 540 541 @Override 542 public Object onRetainNonConfigurationInstance() { 543 // Flag the loader to stop early before switching 544 mModel.stopLoader(); 545 if (mAppsCustomizeContent != null) { 546 mAppsCustomizeContent.surrender(); 547 } 548 return Boolean.TRUE; 549 } 550 551 // We can't hide the IME if it was forced open. So don't bother 552 /* 553 @Override 554 public void onWindowFocusChanged(boolean hasFocus) { 555 super.onWindowFocusChanged(hasFocus); 556 557 if (hasFocus) { 558 final InputMethodManager inputManager = (InputMethodManager) 559 getSystemService(Context.INPUT_METHOD_SERVICE); 560 WindowManager.LayoutParams lp = getWindow().getAttributes(); 561 inputManager.hideSoftInputFromWindow(lp.token, 0, new android.os.ResultReceiver(new 562 android.os.Handler()) { 563 protected void onReceiveResult(int resultCode, Bundle resultData) { 564 Log.d(TAG, "ResultReceiver got resultCode=" + resultCode); 565 } 566 }); 567 Log.d(TAG, "called hideSoftInputFromWindow from onWindowFocusChanged"); 568 } 569 } 570 */ 571 572 private boolean acceptFilter() { 573 final InputMethodManager inputManager = (InputMethodManager) 574 getSystemService(Context.INPUT_METHOD_SERVICE); 575 return !inputManager.isFullscreenMode(); 576 } 577 578 @Override 579 public boolean onKeyDown(int keyCode, KeyEvent event) { 580 final int uniChar = event.getUnicodeChar(); 581 final boolean handled = super.onKeyDown(keyCode, event); 582 final boolean isKeyNotWhitespace = uniChar > 0 && !Character.isWhitespace(uniChar); 583 if (!handled && acceptFilter() && isKeyNotWhitespace) { 584 boolean gotKey = TextKeyListener.getInstance().onKeyDown(mWorkspace, mDefaultKeySsb, 585 keyCode, event); 586 if (gotKey && mDefaultKeySsb != null && mDefaultKeySsb.length() > 0) { 587 // something usable has been typed - start a search 588 // the typed text will be retrieved and cleared by 589 // showSearchDialog() 590 // If there are multiple keystrokes before the search dialog takes focus, 591 // onSearchRequested() will be called for every keystroke, 592 // but it is idempotent, so it's fine. 593 return onSearchRequested(); 594 } 595 } 596 597 // Eat the long press event so the keyboard doesn't come up. 598 if (keyCode == KeyEvent.KEYCODE_MENU && event.isLongPress()) { 599 return true; 600 } 601 602 return handled; 603 } 604 605 private String getTypedText() { 606 return mDefaultKeySsb.toString(); 607 } 608 609 private void clearTypedText() { 610 mDefaultKeySsb.clear(); 611 mDefaultKeySsb.clearSpans(); 612 Selection.setSelection(mDefaultKeySsb, 0); 613 } 614 615 /** 616 * Given the integer (ordinal) value of a State enum instance, convert it to a variable of type 617 * State 618 */ 619 private static State intToState(int stateOrdinal) { 620 State state = State.WORKSPACE; 621 final State[] stateValues = State.values(); 622 for (int i = 0; i < stateValues.length; i++) { 623 if (stateValues[i].ordinal() == stateOrdinal) { 624 state = stateValues[i]; 625 break; 626 } 627 } 628 return state; 629 } 630 631 /** 632 * Restores the previous state, if it exists. 633 * 634 * @param savedState The previous state. 635 */ 636 private void restoreState(Bundle savedState) { 637 if (savedState == null) { 638 return; 639 } 640 641 State state = intToState(savedState.getInt(RUNTIME_STATE, State.WORKSPACE.ordinal())); 642 if (state == State.APPS_CUSTOMIZE) { 643 showAllApps(false); 644 } 645 646 final int currentScreen = savedState.getInt(RUNTIME_STATE_CURRENT_SCREEN, -1); 647 if (currentScreen > -1) { 648 mWorkspace.setCurrentPage(currentScreen); 649 } 650 651 final long pendingAddContainer = savedState.getLong(RUNTIME_STATE_PENDING_ADD_CONTAINER, -1); 652 final int pendingAddScreen = savedState.getInt(RUNTIME_STATE_PENDING_ADD_SCREEN, -1); 653 654 if (pendingAddContainer != ItemInfo.NO_ID && pendingAddScreen > -1) { 655 mPendingAddInfo.container = pendingAddContainer; 656 mPendingAddInfo.screen = pendingAddScreen; 657 mPendingAddInfo.cellX = savedState.getInt(RUNTIME_STATE_PENDING_ADD_CELL_X); 658 mPendingAddInfo.cellY = savedState.getInt(RUNTIME_STATE_PENDING_ADD_CELL_Y); 659 mRestoring = true; 660 } 661 662 boolean renameFolder = savedState.getBoolean(RUNTIME_STATE_PENDING_FOLDER_RENAME, false); 663 if (renameFolder) { 664 long id = savedState.getLong(RUNTIME_STATE_PENDING_FOLDER_RENAME_ID); 665 mFolderInfo = mModel.getFolderById(this, sFolders, id); 666 mRestoring = true; 667 } 668 669 670 // Restore the AppsCustomize tab 671 if (mAppsCustomizeTabHost != null) { 672 String curTab = savedState.getString("apps_customize_currentTab"); 673 if (curTab != null) { 674 // We set this directly so that there is no delay before the tab is set 675 mAppsCustomizeContent.setContentType( 676 mAppsCustomizeTabHost.getContentTypeForTabTag(curTab)); 677 mAppsCustomizeTabHost.setCurrentTabByTag(curTab); 678 } 679 680 // Note: currently we do not restore the page for the AppsCustomize pane because the 681 // change in layout can drastically affect the saved page index 682 } 683 } 684 685 /** 686 * Finds all the views we need and configure them properly. 687 */ 688 private void setupViews() { 689 final DragController dragController = mDragController; 690 691 mDragLayer = (DragLayer) findViewById(R.id.drag_layer); 692 mWorkspace = (Workspace) mDragLayer.findViewById(R.id.workspace); 693 694 // Setup the drag layer 695 mDragLayer.setup(this, dragController); 696 697 // Setup the hotseat 698 mHotseat = (Hotseat) findViewById(R.id.hotseat); 699 if (mHotseat != null) { 700 mHotseat.setup(this); 701 } 702 703 // Setup the workspace 704 mWorkspace.setHapticFeedbackEnabled(false); 705 mWorkspace.setOnLongClickListener(this); 706 mWorkspace.setup(this, dragController); 707 dragController.addDragListener(mWorkspace); 708 709 // Get the search/delete bar 710 mSearchDeleteBar = (SearchDropTargetBar) mDragLayer.findViewById(R.id.qsb_bar); 711 712 // Setup AppsCustomize 713 mAppsCustomizeTabHost = (AppsCustomizeTabHost) 714 findViewById(R.id.apps_customize_pane); 715 mAppsCustomizeContent = (AppsCustomizePagedView) 716 mAppsCustomizeTabHost.findViewById(R.id.apps_customize_pane_content); 717 mAppsCustomizeContent.setup(this, dragController); 718 719 720 721 // Setup the drag controller (drop targets have to be added in reverse order in priority) 722 dragController.setDragScoller(mWorkspace); 723 dragController.setScrollView(mDragLayer); 724 dragController.setMoveTarget(mWorkspace); 725 dragController.addDropTarget(mWorkspace); 726 if (mSearchDeleteBar != null) { 727 mSearchDeleteBar.setup(this, dragController); 728 } 729 } 730 731 732 733 /** 734 * Creates a view representing a shortcut. 735 * 736 * @param info The data structure describing the shortcut. 737 * 738 * @return A View inflated from R.layout.application. 739 */ 740 View createShortcut(ShortcutInfo info) { 741 return createShortcut(R.layout.application, 742 (ViewGroup) mWorkspace.getChildAt(mWorkspace.getCurrentPage()), info); 743 } 744 745 /** 746 * Creates a view representing a shortcut inflated from the specified resource. 747 * 748 * @param layoutResId The id of the XML layout used to create the shortcut. 749 * @param parent The group the shortcut belongs to. 750 * @param info The data structure describing the shortcut. 751 * 752 * @return A View inflated from layoutResId. 753 */ 754 View createShortcut(int layoutResId, ViewGroup parent, ShortcutInfo info) { 755 BubbleTextView favorite = (BubbleTextView) mInflater.inflate(layoutResId, parent, false); 756 favorite.applyFromShortcutInfo(info, mIconCache); 757 favorite.setOnClickListener(this); 758 return favorite; 759 } 760 761 /** 762 * Add an application shortcut to the workspace. 763 * 764 * @param data The intent describing the application. 765 * @param cellInfo The position on screen where to create the shortcut. 766 */ 767 void completeAddApplication(Intent data, long container, int screen, int cellX, int cellY) { 768 final int[] cellXY = mTmpAddItemCellCoordinates; 769 final CellLayout layout = getCellLayout(container, screen); 770 771 // First we check if we already know the exact location where we want to add this item. 772 if (cellX >= 0 && cellY >= 0) { 773 cellXY[0] = cellX; 774 cellXY[1] = cellY; 775 } else if (!layout.findCellForSpan(cellXY, 1, 1)) { 776 showOutOfSpaceMessage(); 777 return; 778 } 779 780 final ShortcutInfo info = mModel.getShortcutInfo(getPackageManager(), data, this); 781 782 if (info != null) { 783 info.setActivity(data.getComponent(), Intent.FLAG_ACTIVITY_NEW_TASK | 784 Intent.FLAG_ACTIVITY_RESET_TASK_IF_NEEDED); 785 info.container = ItemInfo.NO_ID; 786 mWorkspace.addApplicationShortcut(info, layout, container, screen, cellXY[0], cellXY[1], 787 isWorkspaceLocked(), cellX, cellY); 788 } else { 789 Log.e(TAG, "Couldn't find ActivityInfo for selected application: " + data); 790 } 791 } 792 793 /** 794 * Add a shortcut to the workspace. 795 * 796 * @param data The intent describing the shortcut. 797 * @param cellInfo The position on screen where to create the shortcut. 798 */ 799 private void completeAddShortcut(Intent data, long container, int screen, int cellX, 800 int cellY) { 801 int[] cellXY = mTmpAddItemCellCoordinates; 802 int[] touchXY = mPendingAddInfo.dropPos; 803 CellLayout layout = getCellLayout(container, screen); 804 805 boolean foundCellSpan = false; 806 807 // First we check if we already know the exact location where we want to add this item. 808 if (cellX >= 0 && cellY >= 0) { 809 cellXY[0] = cellX; 810 cellXY[1] = cellY; 811 foundCellSpan = true; 812 } else if (touchXY != null) { 813 // when dragging and dropping, just find the closest free spot 814 int[] result = layout.findNearestVacantArea(touchXY[0], touchXY[1], 1, 1, cellXY); 815 foundCellSpan = (result != null); 816 } else { 817 foundCellSpan = layout.findCellForSpan(cellXY, 1, 1); 818 } 819 820 if (!foundCellSpan) { 821 showOutOfSpaceMessage(); 822 return; 823 } 824 825 final ShortcutInfo info = mModel.addShortcut( 826 this, data, container, screen, cellXY[0], cellXY[1], false); 827 828 if (!mRestoring) { 829 final View view = createShortcut(info); 830 mWorkspace.addInScreen(view, container, screen, cellXY[0], cellXY[1], 1, 1, 831 isWorkspaceLocked()); 832 } 833 } 834 835 /** 836 * Add a widget to the workspace. 837 * 838 * @param appWidgetId The app widget id 839 * @param cellInfo The position on screen where to create the widget. 840 */ 841 private void completeAddAppWidget(final int appWidgetId, long container, int screen) { 842 AppWidgetProviderInfo appWidgetInfo = mAppWidgetManager.getAppWidgetInfo(appWidgetId); 843 844 // Calculate the grid spans needed to fit this widget 845 CellLayout layout = getCellLayout(container, screen); 846 847 // We want to account for the extra amount of padding that we are adding to the widget 848 // to ensure that it gets the full amount of space that it has requested 849 Resources r = getResources(); 850 int requiredWidth = appWidgetInfo.minWidth + 851 r.getDimensionPixelSize(R.dimen.app_widget_padding_left) + 852 r.getDimensionPixelSize(R.dimen.app_widget_padding_right); 853 int requiredHeight = appWidgetInfo.minHeight + 854 r.getDimensionPixelSize(R.dimen.app_widget_padding_top) + 855 r.getDimensionPixelSize(R.dimen.app_widget_padding_bottom); 856 int[] spanXY = layout.rectToCell(requiredWidth, requiredHeight, null); 857 858 // Try finding open space on Launcher screen 859 // We have saved the position to which the widget was dragged-- this really only matters 860 // if we are placing widgets on a "spring-loaded" screen 861 int[] cellXY = mTmpAddItemCellCoordinates; 862 int[] touchXY = mPendingAddInfo.dropPos; 863 boolean foundCellSpan = false; 864 if (mPendingAddInfo.cellX >= 0 && mPendingAddInfo.cellY >= 0) { 865 cellXY[0] = mPendingAddInfo.cellX; 866 cellXY[1] = mPendingAddInfo.cellY; 867 foundCellSpan = true; 868 } else if (touchXY != null) { 869 // when dragging and dropping, just find the closest free spot 870 int[] result = layout.findNearestVacantArea( 871 touchXY[0], touchXY[1], spanXY[0], spanXY[1], cellXY); 872 foundCellSpan = (result != null); 873 } else { 874 foundCellSpan = layout.findCellForSpan(cellXY, spanXY[0], spanXY[1]); 875 } 876 877 if (!foundCellSpan) { 878 if (appWidgetId != -1) { 879 // Deleting an app widget ID is a void call but writes to disk before returning 880 // to the caller... 881 new Thread("deleteAppWidgetId") { 882 public void run() { 883 mAppWidgetHost.deleteAppWidgetId(appWidgetId); 884 } 885 }.start(); 886 } 887 showOutOfSpaceMessage(); 888 return; 889 } 890 891 // Build Launcher-specific widget info and save to database 892 LauncherAppWidgetInfo launcherInfo = new LauncherAppWidgetInfo(appWidgetId); 893 launcherInfo.spanX = spanXY[0]; 894 launcherInfo.spanY = spanXY[1]; 895 896 LauncherModel.addItemToDatabase(this, launcherInfo, 897 container, screen, cellXY[0], cellXY[1], false); 898 899 if (!mRestoring) { 900 // Perform actual inflation because we're live 901 launcherInfo.hostView = mAppWidgetHost.createView(this, appWidgetId, appWidgetInfo); 902 903 launcherInfo.hostView.setAppWidget(appWidgetId, appWidgetInfo); 904 launcherInfo.hostView.setTag(launcherInfo); 905 906 mWorkspace.addInScreen(launcherInfo.hostView, container, screen, cellXY[0], cellXY[1], 907 launcherInfo.spanX, launcherInfo.spanY, isWorkspaceLocked()); 908 909 addWidgetToAutoAdvanceIfNeeded(launcherInfo.hostView, appWidgetInfo); 910 } 911 } 912 913 private final BroadcastReceiver mReceiver = new BroadcastReceiver() { 914 @Override 915 public void onReceive(Context context, Intent intent) { 916 final String action = intent.getAction(); 917 if (Intent.ACTION_SCREEN_OFF.equals(action)) { 918 mUserPresent = false; 919 mDragLayer.clearAllResizeFrames(); 920 updateRunning(); 921 922 // Reset AllApps to its initial state only if we are not in the middle of 923 // processing a multi-step drop 924 if (mAppsCustomizeTabHost != null && mPendingAddInfo.container == ItemInfo.NO_ID) { 925 mAppsCustomizeTabHost.reset(); 926 showWorkspace(false); 927 } 928 } else if (Intent.ACTION_USER_PRESENT.equals(action)) { 929 mUserPresent = true; 930 updateRunning(); 931 } 932 } 933 }; 934 935 @Override 936 public void onAttachedToWindow() { 937 super.onAttachedToWindow(); 938 939 // Listen for broadcasts related to user-presence 940 final IntentFilter filter = new IntentFilter(); 941 filter.addAction(Intent.ACTION_SCREEN_OFF); 942 filter.addAction(Intent.ACTION_USER_PRESENT); 943 registerReceiver(mReceiver, filter); 944 945 mAttached = true; 946 mVisible = true; 947 } 948 949 @Override 950 public void onDetachedFromWindow() { 951 super.onDetachedFromWindow(); 952 mVisible = false; 953 mDragLayer.clearAllResizeFrames(); 954 955 if (mAttached) { 956 unregisterReceiver(mReceiver); 957 mAttached = false; 958 } 959 updateRunning(); 960 } 961 962 public void onWindowVisibilityChanged(int visibility) { 963 mVisible = visibility == View.VISIBLE; 964 updateRunning(); 965 } 966 967 private void sendAdvanceMessage(long delay) { 968 mHandler.removeMessages(ADVANCE_MSG); 969 Message msg = mHandler.obtainMessage(ADVANCE_MSG); 970 mHandler.sendMessageDelayed(msg, delay); 971 mAutoAdvanceSentTime = System.currentTimeMillis(); 972 } 973 974 private void updateRunning() { 975 boolean autoAdvanceRunning = mVisible && mUserPresent && !mWidgetsToAdvance.isEmpty(); 976 if (autoAdvanceRunning != mAutoAdvanceRunning) { 977 mAutoAdvanceRunning = autoAdvanceRunning; 978 if (autoAdvanceRunning) { 979 long delay = mAutoAdvanceTimeLeft == -1 ? mAdvanceInterval : mAutoAdvanceTimeLeft; 980 sendAdvanceMessage(delay); 981 } else { 982 if (!mWidgetsToAdvance.isEmpty()) { 983 mAutoAdvanceTimeLeft = Math.max(0, mAdvanceInterval - 984 (System.currentTimeMillis() - mAutoAdvanceSentTime)); 985 } 986 mHandler.removeMessages(ADVANCE_MSG); 987 mHandler.removeMessages(0); // Remove messages sent using postDelayed() 988 } 989 } 990 } 991 992 private final Handler mHandler = new Handler() { 993 @Override 994 public void handleMessage(Message msg) { 995 if (msg.what == ADVANCE_MSG) { 996 int i = 0; 997 for (View key: mWidgetsToAdvance.keySet()) { 998 final View v = key.findViewById(mWidgetsToAdvance.get(key).autoAdvanceViewId); 999 final int delay = mAdvanceStagger * i; 1000 if (v instanceof Advanceable) { 1001 postDelayed(new Runnable() { 1002 public void run() { 1003 ((Advanceable) v).advance(); 1004 } 1005 }, delay); 1006 } 1007 i++; 1008 } 1009 sendAdvanceMessage(mAdvanceInterval); 1010 } 1011 } 1012 }; 1013 1014 void addWidgetToAutoAdvanceIfNeeded(View hostView, AppWidgetProviderInfo appWidgetInfo) { 1015 if (appWidgetInfo == null || appWidgetInfo.autoAdvanceViewId == -1) return; 1016 View v = hostView.findViewById(appWidgetInfo.autoAdvanceViewId); 1017 if (v instanceof Advanceable) { 1018 mWidgetsToAdvance.put(hostView, appWidgetInfo); 1019 ((Advanceable) v).fyiWillBeAdvancedByHostKThx(); 1020 updateRunning(); 1021 } 1022 } 1023 1024 void removeWidgetToAutoAdvance(View hostView) { 1025 if (mWidgetsToAdvance.containsKey(hostView)) { 1026 mWidgetsToAdvance.remove(hostView); 1027 updateRunning(); 1028 } 1029 } 1030 1031 public void removeAppWidget(LauncherAppWidgetInfo launcherInfo) { 1032 removeWidgetToAutoAdvance(launcherInfo.hostView); 1033 launcherInfo.hostView = null; 1034 } 1035 1036 void showOutOfSpaceMessage() { 1037 Toast.makeText(this, getString(R.string.out_of_space), Toast.LENGTH_SHORT).show(); 1038 } 1039 1040 public LauncherAppWidgetHost getAppWidgetHost() { 1041 return mAppWidgetHost; 1042 } 1043 1044 public LauncherModel getModel() { 1045 return mModel; 1046 } 1047 1048 void closeSystemDialogs() { 1049 getWindow().closeAllPanels(); 1050 1051 try { 1052 dismissDialog(DIALOG_CREATE_SHORTCUT); 1053 // Unlock the workspace if the dialog was showing 1054 } catch (Exception e) { 1055 // An exception is thrown if the dialog is not visible, which is fine 1056 } 1057 1058 try { 1059 dismissDialog(DIALOG_RENAME_FOLDER); 1060 // Unlock the workspace if the dialog was showing 1061 } catch (Exception e) { 1062 // An exception is thrown if the dialog is not visible, which is fine 1063 } 1064 1065 // Whatever we were doing is hereby canceled. 1066 mWaitingForResult = false; 1067 } 1068 1069 @Override 1070 protected void onNewIntent(Intent intent) { 1071 super.onNewIntent(intent); 1072 1073 // Close the menu 1074 if (Intent.ACTION_MAIN.equals(intent.getAction())) { 1075 // also will cancel mWaitingForResult. 1076 closeSystemDialogs(); 1077 1078 closeFolder(); 1079 1080 boolean alreadyOnHome = ((intent.getFlags() & Intent.FLAG_ACTIVITY_BROUGHT_TO_FRONT) 1081 != Intent.FLAG_ACTIVITY_BROUGHT_TO_FRONT); 1082 1083 // In all these cases, only animate if we're already on home 1084 mWorkspace.exitWidgetResizeMode(); 1085 if (alreadyOnHome && mState == State.WORKSPACE && !mWorkspace.isTouchActive()) { 1086 mWorkspace.moveToDefaultScreen(true); 1087 } 1088 exitSpringLoadedDragMode(); 1089 showWorkspace(alreadyOnHome); 1090 1091 final View v = getWindow().peekDecorView(); 1092 if (v != null && v.getWindowToken() != null) { 1093 InputMethodManager imm = (InputMethodManager)getSystemService( 1094 INPUT_METHOD_SERVICE); 1095 imm.hideSoftInputFromWindow(v.getWindowToken(), 0); 1096 } 1097 1098 // Reset AllApps to its initial state 1099 if (mAppsCustomizeTabHost != null) { 1100 mAppsCustomizeTabHost.reset(); 1101 } 1102 } 1103 } 1104 1105 @Override 1106 protected void onRestoreInstanceState(Bundle savedInstanceState) { 1107 // Do not call super here 1108 mSavedInstanceState = savedInstanceState; 1109 } 1110 1111 @Override 1112 protected void onSaveInstanceState(Bundle outState) { 1113 outState.putInt(RUNTIME_STATE_CURRENT_SCREEN, mWorkspace.getCurrentPage()); 1114 super.onSaveInstanceState(outState); 1115 1116 outState.putInt(RUNTIME_STATE, mState.ordinal()); 1117 // We close any open folder since it will not be re-opened, and we need to make sure 1118 // this state is reflected. 1119 closeFolder(); 1120 1121 if (mPendingAddInfo.container != ItemInfo.NO_ID && mPendingAddInfo.screen > -1 && 1122 mWaitingForResult) { 1123 outState.putLong(RUNTIME_STATE_PENDING_ADD_CONTAINER, mPendingAddInfo.container); 1124 outState.putInt(RUNTIME_STATE_PENDING_ADD_SCREEN, mPendingAddInfo.screen); 1125 outState.putInt(RUNTIME_STATE_PENDING_ADD_CELL_X, mPendingAddInfo.cellX); 1126 outState.putInt(RUNTIME_STATE_PENDING_ADD_CELL_Y, mPendingAddInfo.cellY); 1127 } 1128 1129 if (mFolderInfo != null && mWaitingForResult) { 1130 outState.putBoolean(RUNTIME_STATE_PENDING_FOLDER_RENAME, true); 1131 outState.putLong(RUNTIME_STATE_PENDING_FOLDER_RENAME_ID, mFolderInfo.id); 1132 } 1133 1134 // Save the current AppsCustomize tab 1135 if (mAppsCustomizeTabHost != null) { 1136 String currentTabTag = mAppsCustomizeTabHost.getCurrentTabTag(); 1137 if (currentTabTag != null) { 1138 outState.putString("apps_customize_currentTab", currentTabTag); 1139 } 1140 } 1141 } 1142 1143 @Override 1144 public void onDestroy() { 1145 super.onDestroy(); 1146 1147 // Remove all pending runnables 1148 mHandler.removeMessages(ADVANCE_MSG); 1149 mHandler.removeMessages(0); 1150 1151 // Stop callbacks from LauncherModel 1152 LauncherApplication app = ((LauncherApplication) getApplication()); 1153 mModel.stopLoader(); 1154 app.setLauncher(null); 1155 1156 try { 1157 mAppWidgetHost.stopListening(); 1158 } catch (NullPointerException ex) { 1159 Log.w(TAG, "problem while stopping AppWidgetHost during Launcher destruction", ex); 1160 } 1161 mAppWidgetHost = null; 1162 1163 mWidgetsToAdvance.clear(); 1164 1165 TextKeyListener.getInstance().release(); 1166 1167 1168 unbindWorkspaceAndHotseatItems(); 1169 1170 getContentResolver().unregisterContentObserver(mWidgetObserver); 1171 unregisterReceiver(mCloseSystemDialogsReceiver); 1172 1173 ((ViewGroup) mWorkspace.getParent()).removeAllViews(); 1174 mWorkspace.removeAllViews(); 1175 mWorkspace = null; 1176 mDragController = null; 1177 1178 ValueAnimator.clearAllAnimations(); 1179 } 1180 1181 public DragController getDragController() { 1182 return mDragController; 1183 } 1184 1185 @Override 1186 public void startActivityForResult(Intent intent, int requestCode) { 1187 if (requestCode >= 0) mWaitingForResult = true; 1188 super.startActivityForResult(intent, requestCode); 1189 } 1190 1191 @Override 1192 public void startSearch(String initialQuery, boolean selectInitialQuery, 1193 Bundle appSearchData, boolean globalSearch) { 1194 1195 showWorkspace(true); 1196 1197 if (initialQuery == null) { 1198 // Use any text typed in the launcher as the initial query 1199 initialQuery = getTypedText(); 1200 clearTypedText(); 1201 } 1202 if (appSearchData == null) { 1203 appSearchData = new Bundle(); 1204 appSearchData.putString(Search.SOURCE, "launcher-search"); 1205 } 1206 1207 final SearchManager searchManager = 1208 (SearchManager) getSystemService(Context.SEARCH_SERVICE); 1209 searchManager.startSearch(initialQuery, selectInitialQuery, getComponentName(), 1210 appSearchData, globalSearch); 1211 } 1212 1213 /** 1214 * Indicates that we want global search for this activity by setting the globalSearch 1215 * argument for {@link #startSearch} to true. 1216 */ 1217 1218 @Override 1219 public boolean onSearchRequested() { 1220 startSearch(null, false, null, true); 1221 // Use a custom animation for launching search 1222 overridePendingTransition(R.anim.fade_in_fast, R.anim.fade_out_fast); 1223 return true; 1224 } 1225 1226 public boolean isWorkspaceLocked() { 1227 return mWorkspaceLoading || mWaitingForResult; 1228 } 1229 1230 private void addItems() { 1231 showWorkspace(true); 1232 showAddDialog(); 1233 } 1234 1235 private void resetAddInfo() { 1236 mPendingAddInfo.container = ItemInfo.NO_ID; 1237 mPendingAddInfo.screen = -1; 1238 mPendingAddInfo.cellX = mPendingAddInfo.cellY = -1; 1239 mPendingAddInfo.spanX = mPendingAddInfo.spanY = -1; 1240 mPendingAddInfo.dropPos = null; 1241 } 1242 1243 private void manageApps() { 1244 startActivity(new Intent(android.provider.Settings.ACTION_MANAGE_ALL_APPLICATIONS_SETTINGS)); 1245 } 1246 1247 void addAppWidgetFromPick(Intent data) { 1248 // TODO: catch bad widget exception when sent 1249 int appWidgetId = data.getIntExtra(AppWidgetManager.EXTRA_APPWIDGET_ID, -1); 1250 // TODO: Is this log message meaningful? 1251 if (LOGD) Log.d(TAG, "dumping extras content=" + data.getExtras()); 1252 addAppWidgetImpl(appWidgetId, null); 1253 } 1254 1255 void addAppWidgetImpl(int appWidgetId, PendingAddWidgetInfo info) { 1256 AppWidgetProviderInfo appWidget = mAppWidgetManager.getAppWidgetInfo(appWidgetId); 1257 1258 if (appWidget.configure != null) { 1259 // Launch over to configure widget, if needed 1260 Intent intent = new Intent(AppWidgetManager.ACTION_APPWIDGET_CONFIGURE); 1261 intent.setComponent(appWidget.configure); 1262 intent.putExtra(AppWidgetManager.EXTRA_APPWIDGET_ID, appWidgetId); 1263 if (info != null) { 1264 if (info.mimeType != null && !info.mimeType.isEmpty()) { 1265 intent.putExtra( 1266 InstallWidgetReceiver.EXTRA_APPWIDGET_CONFIGURATION_DATA_MIME_TYPE, 1267 info.mimeType); 1268 1269 final String mimeType = info.mimeType; 1270 final ClipData clipData = (ClipData) info.configurationData; 1271 final ClipDescription clipDesc = clipData.getDescription(); 1272 for (int i = 0; i < clipDesc.getMimeTypeCount(); ++i) { 1273 if (clipDesc.getMimeType(i).equals(mimeType)) { 1274 final ClipData.Item item = clipData.getItemAt(i); 1275 final CharSequence stringData = item.getText(); 1276 final Uri uriData = item.getUri(); 1277 final Intent intentData = item.getIntent(); 1278 final String key = 1279 InstallWidgetReceiver.EXTRA_APPWIDGET_CONFIGURATION_DATA; 1280 if (uriData != null) { 1281 intent.putExtra(key, uriData); 1282 } else if (intentData != null) { 1283 intent.putExtra(key, intentData); 1284 } else if (stringData != null) { 1285 intent.putExtra(key, stringData); 1286 } 1287 break; 1288 } 1289 } 1290 } 1291 } 1292 1293 startActivityForResultSafely(intent, REQUEST_CREATE_APPWIDGET); 1294 } else { 1295 // Otherwise just add it 1296 completeAddAppWidget(appWidgetId, info.container, info.screen); 1297 1298 // Exit spring loaded mode if necessary after adding the widget 1299 exitSpringLoadedDragModeDelayed(true, false); 1300 } 1301 } 1302 1303 /** 1304 * Process a shortcut drop. 1305 * 1306 * @param componentName The name of the component 1307 * @param screen The screen where it should be added 1308 * @param cell The cell it should be added to, optional 1309 * @param position The location on the screen where it was dropped, optional 1310 */ 1311 void processShortcutFromDrop(ComponentName componentName, long container, int screen, 1312 int[] cell, int[] loc) { 1313 resetAddInfo(); 1314 mPendingAddInfo.container = container; 1315 mPendingAddInfo.screen = screen; 1316 mPendingAddInfo.dropPos = loc; 1317 1318 if (cell != null) { 1319 mPendingAddInfo.cellX = cell[0]; 1320 mPendingAddInfo.cellY = cell[1]; 1321 } 1322 1323 Intent createShortcutIntent = new Intent(Intent.ACTION_CREATE_SHORTCUT); 1324 createShortcutIntent.setComponent(componentName); 1325 processShortcut(createShortcutIntent); 1326 } 1327 1328 /** 1329 * Process a widget drop. 1330 * 1331 * @param info The PendingAppWidgetInfo of the widget being added. 1332 * @param screen The screen where it should be added 1333 * @param cell The cell it should be added to, optional 1334 * @param position The location on the screen where it was dropped, optional 1335 */ 1336 void addAppWidgetFromDrop(PendingAddWidgetInfo info, long container, int screen, 1337 int[] cell, int[] loc) { 1338 resetAddInfo(); 1339 mPendingAddInfo.container = info.container = container; 1340 mPendingAddInfo.screen = info.screen = screen; 1341 mPendingAddInfo.dropPos = loc; 1342 if (cell != null) { 1343 mPendingAddInfo.cellX = cell[0]; 1344 mPendingAddInfo.cellY = cell[1]; 1345 } 1346 1347 int appWidgetId = getAppWidgetHost().allocateAppWidgetId(); 1348 AppWidgetManager.getInstance(this).bindAppWidgetId(appWidgetId, info.componentName); 1349 addAppWidgetImpl(appWidgetId, info); 1350 } 1351 1352 void processShortcut(Intent intent) { 1353 // Handle case where user selected "Applications" 1354 String applicationName = getResources().getString(R.string.group_applications); 1355 String shortcutName = intent.getStringExtra(Intent.EXTRA_SHORTCUT_NAME); 1356 1357 if (applicationName != null && applicationName.equals(shortcutName)) { 1358 Intent mainIntent = new Intent(Intent.ACTION_MAIN, null); 1359 mainIntent.addCategory(Intent.CATEGORY_LAUNCHER); 1360 1361 Intent pickIntent = new Intent(Intent.ACTION_PICK_ACTIVITY); 1362 pickIntent.putExtra(Intent.EXTRA_INTENT, mainIntent); 1363 pickIntent.putExtra(Intent.EXTRA_TITLE, getText(R.string.title_select_application)); 1364 startActivityForResultSafely(pickIntent, REQUEST_PICK_APPLICATION); 1365 } else { 1366 startActivityForResultSafely(intent, REQUEST_CREATE_SHORTCUT); 1367 } 1368 } 1369 1370 void processWallpaper(Intent intent) { 1371 startActivityForResult(intent, REQUEST_PICK_WALLPAPER); 1372 } 1373 1374 FolderIcon addFolder(CellLayout layout, long container, final int screen, int cellX, 1375 int cellY) { 1376 final FolderInfo folderInfo = new FolderInfo(); 1377 folderInfo.title = getText(R.string.folder_name); 1378 1379 // Update the model 1380 LauncherModel.addItemToDatabase(Launcher.this, folderInfo, container, screen, cellX, cellY, 1381 false); 1382 sFolders.put(folderInfo.id, folderInfo); 1383 1384 // Create the view 1385 FolderIcon newFolder = 1386 FolderIcon.fromXml(R.layout.folder_icon, this, layout, folderInfo, mIconCache); 1387 mWorkspace.addInScreen(newFolder, container, screen, cellX, cellY, 1, 1, 1388 isWorkspaceLocked()); 1389 return newFolder; 1390 } 1391 1392 void removeFolder(FolderInfo folder) { 1393 sFolders.remove(folder.id); 1394 } 1395 1396 private void showNotifications() { 1397 final StatusBarManager statusBar = (StatusBarManager) getSystemService(STATUS_BAR_SERVICE); 1398 if (statusBar != null) { 1399 statusBar.expand(); 1400 } 1401 } 1402 1403 private void startWallpaper() { 1404 showWorkspace(true); 1405 final Intent pickWallpaper = new Intent(Intent.ACTION_SET_WALLPAPER); 1406 Intent chooser = Intent.createChooser(pickWallpaper, 1407 getText(R.string.chooser_wallpaper)); 1408 // NOTE: Adds a configure option to the chooser if the wallpaper supports it 1409 // Removed in Eclair MR1 1410// WallpaperManager wm = (WallpaperManager) 1411// getSystemService(Context.WALLPAPER_SERVICE); 1412// WallpaperInfo wi = wm.getWallpaperInfo(); 1413// if (wi != null && wi.getSettingsActivity() != null) { 1414// LabeledIntent li = new LabeledIntent(getPackageName(), 1415// R.string.configure_wallpaper, 0); 1416// li.setClassName(wi.getPackageName(), wi.getSettingsActivity()); 1417// chooser.putExtra(Intent.EXTRA_INITIAL_INTENTS, new Intent[] { li }); 1418// } 1419 startActivityForResult(chooser, REQUEST_PICK_WALLPAPER); 1420 } 1421 1422 /** 1423 * Registers various content observers. The current implementation registers 1424 * only a favorites observer to keep track of the favorites applications. 1425 */ 1426 private void registerContentObservers() { 1427 ContentResolver resolver = getContentResolver(); 1428 resolver.registerContentObserver(LauncherProvider.CONTENT_APPWIDGET_RESET_URI, 1429 true, mWidgetObserver); 1430 } 1431 1432 @Override 1433 public boolean dispatchKeyEvent(KeyEvent event) { 1434 if (event.getAction() == KeyEvent.ACTION_DOWN) { 1435 switch (event.getKeyCode()) { 1436 case KeyEvent.KEYCODE_HOME: 1437 return true; 1438 case KeyEvent.KEYCODE_VOLUME_DOWN: 1439 if (SystemProperties.getInt("debug.launcher2.dumpstate", 0) != 0) { 1440 dumpState(); 1441 return true; 1442 } 1443 break; 1444 } 1445 } else if (event.getAction() == KeyEvent.ACTION_UP) { 1446 switch (event.getKeyCode()) { 1447 case KeyEvent.KEYCODE_HOME: 1448 return true; 1449 } 1450 } 1451 1452 return super.dispatchKeyEvent(event); 1453 } 1454 1455 @Override 1456 public void onBackPressed() { 1457 if (mState == State.APPS_CUSTOMIZE) { 1458 showWorkspace(true); 1459 } else if (mWorkspace.getOpenFolder() != null) { 1460 Folder openFolder = mWorkspace.getOpenFolder(); 1461 if (openFolder.isEditingName()) { 1462 openFolder.dismissEditingName(); 1463 } else { 1464 closeFolder(); 1465 } 1466 } else { 1467 mWorkspace.exitWidgetResizeMode(); 1468 1469 // Back button is a no-op here, but give at least some feedback for the button press 1470 mWorkspace.showOutlinesTemporarily(); 1471 } 1472 } 1473 1474 /** 1475 * Re-listen when widgets are reset. 1476 */ 1477 private void onAppWidgetReset() { 1478 if (mAppWidgetHost != null) { 1479 mAppWidgetHost.startListening(); 1480 } 1481 } 1482 1483 /** 1484 * Go through the and disconnect any of the callbacks in the drawables and the views or we 1485 * leak the previous Home screen on orientation change. 1486 */ 1487 private void unbindWorkspaceAndHotseatItems() { 1488 LauncherModel.unbindWorkspaceItems(); 1489 } 1490 1491 /** 1492 * Launches the intent referred by the clicked shortcut. 1493 * 1494 * @param v The view representing the clicked shortcut. 1495 */ 1496 public void onClick(View v) { 1497 // Make sure that rogue clicks don't get through while allapps is launching, or after the 1498 // view has detached (it's possible for this to happen if the view is removed mid touch). 1499 if (v.getWindowToken() == null) { 1500 return; 1501 } 1502 1503 if (mWorkspace.isSwitchingState()) { 1504 return; 1505 } 1506 1507 Object tag = v.getTag(); 1508 if (tag instanceof ShortcutInfo) { 1509 // Open shortcut 1510 final Intent intent = ((ShortcutInfo) tag).intent; 1511 int[] pos = new int[2]; 1512 v.getLocationOnScreen(pos); 1513 intent.setSourceBounds(new Rect(pos[0], pos[1], 1514 pos[0] + v.getWidth(), pos[1] + v.getHeight())); 1515 boolean success = startActivitySafely(intent, tag); 1516 1517 if (success && v instanceof BubbleTextView) { 1518 mWaitingForResume = (BubbleTextView) v; 1519 mWaitingForResume.setStayPressed(true); 1520 } 1521 } else if (tag instanceof FolderInfo) { 1522 if (v instanceof FolderIcon) { 1523 FolderIcon fi = (FolderIcon) v; 1524 handleFolderClick(fi); 1525 } 1526 } else if (v == mAllAppsButton) { 1527 if (mState == State.APPS_CUSTOMIZE) { 1528 showWorkspace(true); 1529 } else { 1530 showAllApps(true); 1531 } 1532 } 1533 } 1534 1535 public boolean onTouch(View v, MotionEvent event) { 1536 // this is an intercepted event being forwarded from mWorkspace; 1537 // clicking anywhere on the workspace causes the customization drawer to slide down 1538 showWorkspace(true); 1539 return false; 1540 } 1541 1542 /** 1543 * Event handler for the search button 1544 * 1545 * @param v The view that was clicked. 1546 */ 1547 public void onClickSearchButton(View v) { 1548 onSearchRequested(); 1549 } 1550 1551 /** 1552 * Event handler for the voice button 1553 * 1554 * @param v The view that was clicked. 1555 */ 1556 public void onClickVoiceButton(View v) { 1557 startVoiceSearch(); 1558 } 1559 1560 private void startVoiceSearch() { 1561 Intent intent = new Intent(RecognizerIntent.ACTION_WEB_SEARCH); 1562 intent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK); 1563 startActivity(intent); 1564 } 1565 1566 /** 1567 * Event handler for the "grid" button that appears on the home screen, which 1568 * enters all apps mode. 1569 * 1570 * @param v The view that was clicked. 1571 */ 1572 public void onClickAllAppsButton(View v) { 1573 showAllApps(true); 1574 } 1575 1576 public void onClickAppMarketButton(View v) { 1577 if (mAppMarketIntent != null) { 1578 startActivitySafely(mAppMarketIntent, "app market"); 1579 } 1580 } 1581 1582 void startApplicationDetailsActivity(ComponentName componentName) { 1583 String packageName = componentName.getPackageName(); 1584 Intent intent = new Intent(Settings.ACTION_APPLICATION_DETAILS_SETTINGS, 1585 Uri.fromParts("package", packageName, null)); 1586 startActivity(intent); 1587 } 1588 1589 void startApplicationUninstallActivity(ApplicationInfo appInfo) { 1590 if ((appInfo.flags & ApplicationInfo.DOWNLOADED_FLAG) == 0) { 1591 // System applications cannot be installed. For now, show a toast explaining that. 1592 // We may give them the option of disabling apps this way. 1593 int messageId = R.string.uninstall_system_app_text; 1594 Toast.makeText(this, messageId, Toast.LENGTH_SHORT).show(); 1595 } else { 1596 String packageName = appInfo.componentName.getPackageName(); 1597 String className = appInfo.componentName.getClassName(); 1598 Intent intent = new Intent( 1599 Intent.ACTION_DELETE, Uri.fromParts("package", packageName, className)); 1600 startActivity(intent); 1601 } 1602 } 1603 1604 boolean startActivitySafely(Intent intent, Object tag) { 1605 intent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK); 1606 try { 1607 startActivity(intent); 1608 return true; 1609 } catch (ActivityNotFoundException e) { 1610 Toast.makeText(this, R.string.activity_not_found, Toast.LENGTH_SHORT).show(); 1611 Log.e(TAG, "Unable to launch. tag=" + tag + " intent=" + intent, e); 1612 } catch (SecurityException e) { 1613 Toast.makeText(this, R.string.activity_not_found, Toast.LENGTH_SHORT).show(); 1614 Log.e(TAG, "Launcher does not have the permission to launch " + intent + 1615 ". Make sure to create a MAIN intent-filter for the corresponding activity " + 1616 "or use the exported attribute for this activity. " 1617 + "tag="+ tag + " intent=" + intent, e); 1618 } 1619 return false; 1620 } 1621 1622 void startActivityForResultSafely(Intent intent, int requestCode) { 1623 try { 1624 startActivityForResult(intent, requestCode); 1625 } catch (ActivityNotFoundException e) { 1626 Toast.makeText(this, R.string.activity_not_found, Toast.LENGTH_SHORT).show(); 1627 } catch (SecurityException e) { 1628 Toast.makeText(this, R.string.activity_not_found, Toast.LENGTH_SHORT).show(); 1629 Log.e(TAG, "Launcher does not have the permission to launch " + intent + 1630 ". Make sure to create a MAIN intent-filter for the corresponding activity " + 1631 "or use the exported attribute for this activity.", e); 1632 } 1633 } 1634 1635 private void handleFolderClick(FolderIcon folderIcon) { 1636 final FolderInfo info = folderIcon.mInfo; 1637 if (!info.opened) { 1638 // Close any open folder 1639 closeFolder(); 1640 // Open the requested folder 1641 openFolder(folderIcon); 1642 } else { 1643 // Find the open folder... 1644 Folder openFolder = mWorkspace.getFolderForTag(info); 1645 int folderScreen; 1646 if (openFolder != null) { 1647 folderScreen = mWorkspace.getPageForView(openFolder); 1648 // .. and close it 1649 closeFolder(openFolder); 1650 if (folderScreen != mWorkspace.getCurrentPage()) { 1651 // Close any folder open on the current screen 1652 closeFolder(); 1653 // Pull the folder onto this screen 1654 openFolder(folderIcon); 1655 } 1656 } 1657 } 1658 } 1659 1660 private void growAndFadeOutFolderIcon(FolderIcon fi) { 1661 if (fi == null) return; 1662 PropertyValuesHolder alpha = PropertyValuesHolder.ofFloat("alpha", 0); 1663 PropertyValuesHolder scaleX = PropertyValuesHolder.ofFloat("scaleX", 1.5f); 1664 PropertyValuesHolder scaleY = PropertyValuesHolder.ofFloat("scaleY", 1.5f); 1665 1666 FolderInfo info = (FolderInfo) fi.getTag(); 1667 if (info.container == LauncherSettings.Favorites.CONTAINER_HOTSEAT) { 1668 CellLayout cl = (CellLayout) fi.getParent().getParent(); 1669 CellLayout.LayoutParams lp = (CellLayout.LayoutParams) fi.getLayoutParams(); 1670 cl.setFolderLeaveBehindCell(lp.cellX, lp.cellY); 1671 } 1672 1673 ObjectAnimator oa = ObjectAnimator.ofPropertyValuesHolder(fi, alpha, scaleX, scaleY); 1674 oa.setDuration(getResources().getInteger(R.integer.config_folderAnimDuration)); 1675 oa.start(); 1676 } 1677 1678 private void shrinkAndFadeInFolderIcon(FolderIcon fi) { 1679 if (fi == null) return; 1680 PropertyValuesHolder alpha = PropertyValuesHolder.ofFloat("alpha", 1.0f); 1681 PropertyValuesHolder scaleX = PropertyValuesHolder.ofFloat("scaleX", 1.0f); 1682 PropertyValuesHolder scaleY = PropertyValuesHolder.ofFloat("scaleY", 1.0f); 1683 1684 FolderInfo info = (FolderInfo) fi.getTag(); 1685 CellLayout cl = null; 1686 if (info.container == LauncherSettings.Favorites.CONTAINER_HOTSEAT) { 1687 cl = (CellLayout) fi.getParent().getParent(); 1688 } 1689 1690 final CellLayout layout = cl; 1691 ObjectAnimator oa = ObjectAnimator.ofPropertyValuesHolder(fi, alpha, scaleX, scaleY); 1692 oa.setDuration(getResources().getInteger(R.integer.config_folderAnimDuration)); 1693 oa.addListener(new AnimatorListenerAdapter() { 1694 @Override 1695 public void onAnimationEnd(Animator animation) { 1696 if (layout != null) { 1697 layout.clearFolderLeaveBehind(); 1698 } 1699 } 1700 }); 1701 oa.start(); 1702 } 1703 1704 /** 1705 * Opens the user folder described by the specified tag. The opening of the folder 1706 * is animated relative to the specified View. If the View is null, no animation 1707 * is played. 1708 * 1709 * @param folderInfo The FolderInfo describing the folder to open. 1710 */ 1711 public void openFolder(FolderIcon folderIcon) { 1712 Folder folder = folderIcon.mFolder; 1713 FolderInfo info = folder.mInfo; 1714 1715 growAndFadeOutFolderIcon(folderIcon); 1716 info.opened = true; 1717 1718 // Just verify that the folder hasn't already been added to the DragLayer. 1719 // There was a one-off crash where the folder had a parent already. 1720 if (folder.getParent() == null) { 1721 mDragLayer.addView(folder); 1722 mDragController.addDropTarget((DropTarget) folder); 1723 } else { 1724 Log.w(TAG, "Opening folder (" + folder + ") which already has a parent (" + 1725 folder.getParent() + ")."); 1726 } 1727 folder.animateOpen(); 1728 } 1729 1730 public void closeFolder() { 1731 Folder folder = mWorkspace.getOpenFolder(); 1732 if (folder != null) { 1733 closeFolder(folder); 1734 } 1735 } 1736 1737 void closeFolder(Folder folder) { 1738 folder.getInfo().opened = false; 1739 1740 ViewGroup parent = (ViewGroup) folder.getParent().getParent(); 1741 if (parent != null) { 1742 FolderIcon fi = (FolderIcon) mWorkspace.getViewForTag(folder.mInfo); 1743 shrinkAndFadeInFolderIcon(fi); 1744 } 1745 folder.animateClosed(); 1746 } 1747 1748 public boolean onLongClick(View v) { 1749 if (mState != State.WORKSPACE) { 1750 return false; 1751 } 1752 1753 if (isWorkspaceLocked()) { 1754 return false; 1755 } 1756 1757 if (!(v instanceof CellLayout)) { 1758 v = (View) v.getParent().getParent(); 1759 } 1760 1761 resetAddInfo(); 1762 CellLayout.CellInfo longClickCellInfo = (CellLayout.CellInfo) v.getTag(); 1763 // This happens when long clicking an item with the dpad/trackball 1764 if (longClickCellInfo == null) { 1765 return true; 1766 } 1767 1768 // The hotseat touch handling does not go through Workspace, and we always allow long press 1769 // on hotseat items. 1770 final View itemUnderLongClick = longClickCellInfo.cell; 1771 boolean allowLongPress = isHotseatLayout(v) || mWorkspace.allowLongPress(); 1772 if (allowLongPress && !mDragController.isDragging()) { 1773 if (itemUnderLongClick == null) { 1774 // User long pressed on empty space 1775 mWorkspace.performHapticFeedback(HapticFeedbackConstants.LONG_PRESS, 1776 HapticFeedbackConstants.FLAG_IGNORE_VIEW_SETTING); 1777 startWallpaper(); 1778 } else { 1779 if (!(itemUnderLongClick instanceof Folder)) { 1780 // User long pressed on an item 1781 mWorkspace.startDrag(longClickCellInfo); 1782 } 1783 } 1784 } 1785 return true; 1786 } 1787 1788 boolean isHotseatLayout(View layout) { 1789 return mHotseat != null && layout != null && 1790 (layout instanceof CellLayout) && (layout == mHotseat.getLayout()); 1791 } 1792 Hotseat getHotseat() { 1793 return mHotseat; 1794 } 1795 1796 /** 1797 * Returns the CellLayout of the specified container at the specified screen. 1798 */ 1799 CellLayout getCellLayout(long container, int screen) { 1800 if (container == LauncherSettings.Favorites.CONTAINER_HOTSEAT) { 1801 if (mHotseat != null) { 1802 return mHotseat.getLayout(); 1803 } else { 1804 return null; 1805 } 1806 } else { 1807 return (CellLayout) mWorkspace.getChildAt(screen); 1808 } 1809 } 1810 1811 Workspace getWorkspace() { 1812 return mWorkspace; 1813 } 1814 1815 @Override 1816 protected Dialog onCreateDialog(int id) { 1817 switch (id) { 1818 case DIALOG_CREATE_SHORTCUT: 1819 return new CreateShortcut().createDialog(); 1820 case DIALOG_RENAME_FOLDER: 1821 return new RenameFolder().createDialog(); 1822 } 1823 1824 return super.onCreateDialog(id); 1825 } 1826 1827 @Override 1828 protected void onPrepareDialog(int id, Dialog dialog) { 1829 switch (id) { 1830 case DIALOG_CREATE_SHORTCUT: 1831 break; 1832 case DIALOG_RENAME_FOLDER: 1833 if (mFolderInfo != null) { 1834 EditText input = (EditText) dialog.findViewById(R.id.folder_name); 1835 final CharSequence text = mFolderInfo.title; 1836 input.setText(text); 1837 input.setSelection(0, text.length()); 1838 } 1839 break; 1840 } 1841 } 1842 1843 void showRenameDialog(FolderInfo info) { 1844 mFolderInfo = info; 1845 mWaitingForResult = true; 1846 showDialog(DIALOG_RENAME_FOLDER); 1847 } 1848 1849 private void showAddDialog() { 1850 resetAddInfo(); 1851 mPendingAddInfo.container = LauncherSettings.Favorites.CONTAINER_DESKTOP; 1852 mPendingAddInfo.screen = mWorkspace.getCurrentPage(); 1853 mWaitingForResult = true; 1854 showDialog(DIALOG_CREATE_SHORTCUT); 1855 } 1856 1857 private class RenameFolder { 1858 private EditText mInput; 1859 1860 Dialog createDialog() { 1861 final View layout = View.inflate(Launcher.this, R.layout.rename_folder, null); 1862 mInput = (EditText) layout.findViewById(R.id.folder_name); 1863 1864 AlertDialog.Builder builder = new AlertDialog.Builder(Launcher.this); 1865 builder.setIcon(0); 1866 builder.setTitle(getString(R.string.rename_folder_title)); 1867 builder.setCancelable(true); 1868 builder.setOnCancelListener(new Dialog.OnCancelListener() { 1869 public void onCancel(DialogInterface dialog) { 1870 cleanup(); 1871 } 1872 }); 1873 builder.setNegativeButton(getString(R.string.cancel_action), 1874 new Dialog.OnClickListener() { 1875 public void onClick(DialogInterface dialog, int which) { 1876 cleanup(); 1877 } 1878 } 1879 ); 1880 builder.setPositiveButton(getString(R.string.rename_action), 1881 new Dialog.OnClickListener() { 1882 public void onClick(DialogInterface dialog, int which) { 1883 changeFolderName(); 1884 } 1885 } 1886 ); 1887 builder.setView(layout); 1888 1889 final AlertDialog dialog = builder.create(); 1890 dialog.setOnShowListener(new DialogInterface.OnShowListener() { 1891 public void onShow(DialogInterface dialog) { 1892 mWaitingForResult = true; 1893 mInput.requestFocus(); 1894 InputMethodManager inputManager = (InputMethodManager) 1895 getSystemService(Context.INPUT_METHOD_SERVICE); 1896 inputManager.showSoftInput(mInput, 0); 1897 } 1898 }); 1899 1900 return dialog; 1901 } 1902 1903 private void changeFolderName() { 1904 final String name = mInput.getText().toString(); 1905 if (!TextUtils.isEmpty(name)) { 1906 // Make sure we have the right folder info 1907 mFolderInfo = sFolders.get(mFolderInfo.id); 1908 mFolderInfo.title = name; 1909 LauncherModel.updateItemInDatabase(Launcher.this, mFolderInfo); 1910 1911 if (mWorkspaceLoading) { 1912 lockAllApps(); 1913 mModel.startLoader(Launcher.this, false); 1914 } else { 1915 final FolderIcon folderIcon = (FolderIcon) 1916 mWorkspace.getViewForTag(mFolderInfo); 1917 if (folderIcon != null) { 1918 // TODO: At some point we'll probably want some version of setting 1919 // the text for a folder icon. 1920 //folderIcon.setText(name); 1921 getWorkspace().requestLayout(); 1922 } else { 1923 lockAllApps(); 1924 mWorkspaceLoading = true; 1925 mModel.startLoader(Launcher.this, false); 1926 } 1927 } 1928 } 1929 cleanup(); 1930 } 1931 1932 private void cleanup() { 1933 dismissDialog(DIALOG_RENAME_FOLDER); 1934 mWaitingForResult = false; 1935 mFolderInfo = null; 1936 } 1937 } 1938 1939 // Now a part of LauncherModel.Callbacks. Used to reorder loading steps. 1940 public boolean isAllAppsVisible() { 1941 return (mState == State.APPS_CUSTOMIZE); 1942 } 1943 1944 // AllAppsView.Watcher 1945 public void zoomed(float zoom) { 1946 if (zoom == 1.0f) { 1947 mWorkspace.setVisibility(View.GONE); 1948 } 1949 } 1950 1951 /** 1952 * Helper method for the cameraZoomIn/cameraZoomOut animations 1953 * @param view The view being animated 1954 * @param state The state that we are moving in or out of (eg. APPS_CUSTOMIZE) 1955 * @param scaleFactor The scale factor used for the zoom 1956 */ 1957 private void setPivotsForZoom(View view, State state, float scaleFactor) { 1958 final int height = view.getHeight(); 1959 1960 view.setPivotX(view.getWidth() / 2.0f); 1961 // Set pivotY so that at the starting zoom factor, the view is partially 1962 // visible. Modifying initialHeightFactor changes how much of the view is 1963 // initially showing, and hence the perceived angle from which the view enters. 1964 if (state == State.APPS_CUSTOMIZE) { 1965 final float initialHeightFactor = 0.175f; 1966 view.setPivotY((1 - initialHeightFactor) * height); 1967 } else { 1968 final float initialHeightFactor = 0.2f; 1969 view.setPivotY(-initialHeightFactor * height); 1970 } 1971 } 1972 1973 /** 1974 * Zoom the camera out from the workspace to reveal 'toView'. 1975 * Assumes that the view to show is anchored at either the very top or very bottom 1976 * of the screen. 1977 * @param toState The state to zoom out to. Must be APPS_CUSTOMIZE. 1978 */ 1979 private void cameraZoomOut(State toState, boolean animated, final boolean springLoaded) { 1980 final Resources res = getResources(); 1981 1982 final int duration = res.getInteger(R.integer.config_appsCustomizeZoomInTime); 1983 final int fadeDuration = res.getInteger(R.integer.config_appsCustomizeFadeInTime); 1984 final float scale = (float) res.getInteger(R.integer.config_appsCustomizeZoomScaleFactor); 1985 final View toView = mAppsCustomizeTabHost; 1986 1987 setPivotsForZoom(toView, toState, scale); 1988 1989 // Shrink workspaces away if going to AppsCustomize from workspace 1990 mWorkspace.shrink(Workspace.State.SMALL, animated); 1991 hideHotseat(animated); 1992 1993 if (animated) { 1994 final ValueAnimator scaleAnim = ValueAnimator.ofFloat(0f, 1f).setDuration(duration); 1995 scaleAnim.setInterpolator(new Workspace.ZoomOutInterpolator()); 1996 scaleAnim.addUpdateListener(new LauncherAnimatorUpdateListener() { 1997 public void onAnimationUpdate(float a, float b) { 1998 ((View) toView.getParent()).fastInvalidate(); 1999 toView.setFastScaleX(a * scale + b * 1f); 2000 toView.setFastScaleY(a * scale + b * 1f); 2001 } 2002 }); 2003 2004 toView.setVisibility(View.VISIBLE); 2005 toView.setFastAlpha(0f); 2006 ValueAnimator alphaAnim = ValueAnimator.ofFloat(0f, 1f).setDuration(fadeDuration); 2007 alphaAnim.setInterpolator(new DecelerateInterpolator(1.5f)); 2008 alphaAnim.addUpdateListener(new LauncherAnimatorUpdateListener() { 2009 public void onAnimationUpdate(float a, float b) { 2010 // don't need to invalidate because we do so above 2011 toView.setFastAlpha(a * 0f + b * 1f); 2012 } 2013 }); 2014 alphaAnim.start(); 2015 2016 if (toView instanceof LauncherTransitionable) { 2017 ((LauncherTransitionable) toView).onLauncherTransitionStart(scaleAnim, false); 2018 } 2019 scaleAnim.addListener(new AnimatorListenerAdapter() { 2020 @Override 2021 public void onAnimationStart(Animator animation) { 2022 // Prepare the position 2023 toView.setTranslationX(0.0f); 2024 toView.setTranslationY(0.0f); 2025 toView.setVisibility(View.VISIBLE); 2026 toView.bringToFront(); 2027 } 2028 @Override 2029 public void onAnimationEnd(Animator animation) { 2030 // If we don't set the final scale values here, if this animation is cancelled 2031 // it will have the wrong scale value and subsequent cameraPan animations will 2032 // not fix that 2033 toView.setScaleX(1.0f); 2034 toView.setScaleY(1.0f); 2035 if (toView instanceof LauncherTransitionable) { 2036 ((LauncherTransitionable) toView).onLauncherTransitionEnd(scaleAnim, false); 2037 } 2038 2039 if (!springLoaded && !LauncherApplication.isScreenLarge()) { 2040 // Hide the workspace scrollbar 2041 mWorkspace.hideScrollingIndicator(true); 2042 mWorkspace.hideDockDivider(true); 2043 } 2044 } 2045 }); 2046 2047 // toView should appear right at the end of the workspace shrink animation 2048 final int startDelay = 0; 2049 2050 if (mStateAnimation != null) mStateAnimation.cancel(); 2051 mStateAnimation = new AnimatorSet(); 2052 mStateAnimation.play(scaleAnim).after(startDelay); 2053 mStateAnimation.start(); 2054 } else { 2055 toView.setTranslationX(0.0f); 2056 toView.setTranslationY(0.0f); 2057 toView.setScaleX(1.0f); 2058 toView.setScaleY(1.0f); 2059 toView.setVisibility(View.VISIBLE); 2060 toView.bringToFront(); 2061 if (toView instanceof LauncherTransitionable) { 2062 ((LauncherTransitionable) toView).onLauncherTransitionStart(null, false); 2063 ((LauncherTransitionable) toView).onLauncherTransitionEnd(null, false); 2064 2065 if (!springLoaded && !LauncherApplication.isScreenLarge()) { 2066 // Hide the workspace scrollbar 2067 mWorkspace.hideScrollingIndicator(true); 2068 mWorkspace.hideDockDivider(true); 2069 } 2070 } 2071 } 2072 } 2073 2074 /** 2075 * Zoom the camera back into the workspace, hiding 'fromView'. 2076 * This is the opposite of cameraZoomOut. 2077 * @param fromState The current state (must be APPS_CUSTOMIZE). 2078 * @param animated If true, the transition will be animated. 2079 */ 2080 private void cameraZoomIn(State fromState, boolean animated, final boolean springLoaded) { 2081 Resources res = getResources(); 2082 2083 final int duration = res.getInteger(R.integer.config_appsCustomizeZoomOutTime); 2084 final float scaleFactor = (float) 2085 res.getInteger(R.integer.config_appsCustomizeZoomScaleFactor); 2086 final View fromView = mAppsCustomizeTabHost; 2087 2088 setPivotsForZoom(fromView, fromState, scaleFactor); 2089 2090 if (!springLoaded) { 2091 mWorkspace.unshrink(animated); 2092 } 2093 showHotseat(animated); 2094 if (animated) { 2095 if (mStateAnimation != null) mStateAnimation.cancel(); 2096 mStateAnimation = new AnimatorSet(); 2097 2098 final float oldScaleX = fromView.getScaleX(); 2099 final float oldScaleY = fromView.getScaleY(); 2100 2101 ValueAnimator scaleAnim = ValueAnimator.ofFloat(0f, 1f).setDuration(duration); 2102 scaleAnim.setInterpolator(new Workspace.ZoomInInterpolator()); 2103 scaleAnim.addUpdateListener(new LauncherAnimatorUpdateListener() { 2104 public void onAnimationUpdate(float a, float b) { 2105 ((View)fromView.getParent()).fastInvalidate(); 2106 fromView.setFastScaleX(a * oldScaleX + b * scaleFactor); 2107 fromView.setFastScaleY(a * oldScaleY + b * scaleFactor); 2108 } 2109 }); 2110 final ValueAnimator alphaAnim = ValueAnimator.ofFloat(0f, 1f); 2111 alphaAnim.setDuration(res.getInteger(R.integer.config_appsCustomizeFadeOutTime)); 2112 alphaAnim.setInterpolator(new DecelerateInterpolator(1.5f)); 2113 alphaAnim.addUpdateListener(new LauncherAnimatorUpdateListener() { 2114 public void onAnimationUpdate(float a, float b) { 2115 // don't need to invalidate because we do so above 2116 fromView.setFastAlpha(a * 1f + b * 0f); 2117 } 2118 }); 2119 if (fromView instanceof LauncherTransitionable) { 2120 ((LauncherTransitionable) fromView).onLauncherTransitionStart(alphaAnim, true); 2121 } 2122 alphaAnim.addListener(new AnimatorListenerAdapter() { 2123 @Override 2124 public void onAnimationStart(android.animation.Animator animation) { 2125 if (!springLoaded) { 2126 mWorkspace.showDockDivider(false); 2127 } 2128 mWorkspace.showScrollingIndicator(false); 2129 } 2130 @Override 2131 public void onAnimationEnd(Animator animation) { 2132 fromView.setVisibility(View.GONE); 2133 if (fromView instanceof LauncherTransitionable) { 2134 ((LauncherTransitionable) fromView).onLauncherTransitionEnd(alphaAnim,true); 2135 } 2136 mWorkspace.hideScrollingIndicator(false); 2137 } 2138 }); 2139 2140 mStateAnimation.playTogether(scaleAnim, alphaAnim); 2141 mStateAnimation.start(); 2142 } else { 2143 fromView.setVisibility(View.GONE); 2144 if (fromView instanceof LauncherTransitionable) { 2145 ((LauncherTransitionable) fromView).onLauncherTransitionStart(null, true); 2146 ((LauncherTransitionable) fromView).onLauncherTransitionEnd(null, true); 2147 2148 if (!springLoaded && !LauncherApplication.isScreenLarge()) { 2149 // Flash the workspace scrollbar 2150 mWorkspace.showDockDivider(true); 2151 mWorkspace.flashScrollingIndicator(); 2152 } 2153 } 2154 } 2155 } 2156 2157 void showWorkspace(boolean animated) { 2158 showWorkspace(animated, null); 2159 } 2160 2161 void showWorkspace(boolean animated, CellLayout layout) { 2162 if (layout != null) { 2163 // always animated, but that's ok since we never specify a layout and 2164 // want no animation 2165 mWorkspace.unshrink(layout); 2166 } else { 2167 mWorkspace.unshrink(animated); 2168 } 2169 if (mState == State.APPS_CUSTOMIZE) { 2170 closeAllApps(animated); 2171 } 2172 2173 // Change the state *after* we've called all the transition code 2174 mState = State.WORKSPACE; 2175 2176 // Resume the auto-advance of widgets 2177 mUserPresent = true; 2178 updateRunning(); 2179 2180 // send an accessibility event to announce the context change 2181 getWindow().getDecorView().sendAccessibilityEvent(AccessibilityEvent.TYPE_VIEW_SELECTED); 2182 } 2183 2184 void enterSpringLoadedDragMode(CellLayout layout) { 2185 if (mState == State.APPS_CUSTOMIZE) { 2186 mWorkspace.enterSpringLoadedDragMode(layout); 2187 cameraZoomIn(State.APPS_CUSTOMIZE, true, true); 2188 mState = State.APPS_CUSTOMIZE_SPRING_LOADED; 2189 } 2190 // Otherwise, we are not in spring loaded mode, so don't do anything. 2191 } 2192 void exitSpringLoadedDragModeDelayed(final boolean successfulDrop, boolean extendedDelay) { 2193 mHandler.postDelayed(new Runnable() { 2194 @Override 2195 public void run() { 2196 exitSpringLoadedDragMode(); 2197 2198 if (successfulDrop) { 2199 // Before we show workspace, hide all apps again because 2200 // exitSpringLoadedDragMode made it visible. This is a bit hacky; we should 2201 // clean up our state transition functions 2202 mAppsCustomizeTabHost.setVisibility(View.GONE); 2203 showWorkspace(true); 2204 } 2205 } 2206 }, (extendedDelay ? 2207 EXIT_SPRINGLOADED_MODE_LONG_TIMEOUT : 2208 EXIT_SPRINGLOADED_MODE_SHORT_TIMEOUT)); 2209 } 2210 void exitSpringLoadedDragMode() { 2211 if (mState == State.APPS_CUSTOMIZE_SPRING_LOADED) { 2212 mWorkspace.exitSpringLoadedDragMode(Workspace.State.SMALL); 2213 cameraZoomOut(State.APPS_CUSTOMIZE, true, true); 2214 mState = State.APPS_CUSTOMIZE; 2215 } 2216 // Otherwise, we are not in spring loaded mode, so don't do anything. 2217 } 2218 2219 public boolean isAllAppsCustomizeOpen() { 2220 return mState == State.APPS_CUSTOMIZE; 2221 } 2222 2223 /** 2224 * Shows the hotseat area. 2225 */ 2226 void showHotseat(boolean animated) { 2227 if (!LauncherApplication.isScreenLarge()) { 2228 if (animated) { 2229 int duration = mSearchDeleteBar.getTransitionInDuration(); 2230 mHotseat.animate().alpha(1f).setDuration(duration); 2231 } else { 2232 mHotseat.setAlpha(1f); 2233 } 2234 } 2235 } 2236 2237 /** 2238 * Hides the hotseat area. 2239 */ 2240 void hideHotseat(boolean animated) { 2241 if (!LauncherApplication.isScreenLarge()) { 2242 if (animated) { 2243 int duration = mSearchDeleteBar.getTransitionOutDuration(); 2244 mHotseat.animate().alpha(0f).setDuration(duration); 2245 } else { 2246 mHotseat.setAlpha(0f); 2247 } 2248 } 2249 } 2250 2251 void showAllApps(boolean animated) { 2252 if (mState != State.WORKSPACE) return; 2253 2254 cameraZoomOut(State.APPS_CUSTOMIZE, animated, false); 2255 mAppsCustomizeTabHost.requestFocus(); 2256 2257 // Hide the search bar and hotseat 2258 mSearchDeleteBar.hideSearchBar(animated); 2259 2260 // Change the state *after* we've called all the transition code 2261 mState = State.APPS_CUSTOMIZE; 2262 2263 // Pause the auto-advance of widgets until we are out of AllApps 2264 mUserPresent = false; 2265 updateRunning(); 2266 closeFolder(); 2267 2268 // Send an accessibility event to announce the context change 2269 getWindow().getDecorView().sendAccessibilityEvent(AccessibilityEvent.TYPE_VIEW_SELECTED); 2270 } 2271 2272 /** 2273 * Things to test when changing this code. 2274 * - Home from workspace 2275 * - from center screen 2276 * - from other screens 2277 * - Home from all apps 2278 * - from center screen 2279 * - from other screens 2280 * - Back from all apps 2281 * - from center screen 2282 * - from other screens 2283 * - Launch app from workspace and quit 2284 * - with back 2285 * - with home 2286 * - Launch app from all apps and quit 2287 * - with back 2288 * - with home 2289 * - Go to a screen that's not the default, then all 2290 * apps, and launch and app, and go back 2291 * - with back 2292 * -with home 2293 * - On workspace, long press power and go back 2294 * - with back 2295 * - with home 2296 * - On all apps, long press power and go back 2297 * - with back 2298 * - with home 2299 * - On workspace, power off 2300 * - On all apps, power off 2301 * - Launch an app and turn off the screen while in that app 2302 * - Go back with home key 2303 * - Go back with back key TODO: make this not go to workspace 2304 * - From all apps 2305 * - From workspace 2306 * - Enter and exit car mode (becuase it causes an extra configuration changed) 2307 * - From all apps 2308 * - From the center workspace 2309 * - From another workspace 2310 */ 2311 void closeAllApps(boolean animated) { 2312 if (mState == State.APPS_CUSTOMIZE || mState == State.APPS_CUSTOMIZE_SPRING_LOADED) { 2313 mWorkspace.setVisibility(View.VISIBLE); 2314 cameraZoomIn(State.APPS_CUSTOMIZE, animated, false); 2315 2316 // Show the search bar and hotseat 2317 mSearchDeleteBar.showSearchBar(animated); 2318 2319 // Set focus to the AppsCustomize button 2320 if (mAllAppsButton != null) { 2321 mAllAppsButton.requestFocus(); 2322 } 2323 } 2324 } 2325 2326 void lockAllApps() { 2327 // TODO 2328 } 2329 2330 void unlockAllApps() { 2331 // TODO 2332 } 2333 2334 /** 2335 * Add an item from all apps or customize onto the given workspace screen. 2336 * If layout is null, add to the current screen. 2337 */ 2338 void addExternalItemToScreen(ItemInfo itemInfo, final CellLayout layout) { 2339 if (!mWorkspace.addExternalItemToScreen(itemInfo, layout)) { 2340 showOutOfSpaceMessage(); 2341 } else { 2342 layout.animateDrop(); 2343 } 2344 } 2345 2346 private Drawable getExternalPackageToolbarIcon(ComponentName activityName) { 2347 try { 2348 PackageManager packageManager = getPackageManager(); 2349 // Look for the toolbar icon specified in the activity meta-data 2350 Bundle metaData = packageManager.getActivityInfo( 2351 activityName, PackageManager.GET_META_DATA).metaData; 2352 if (metaData != null) { 2353 int iconResId = metaData.getInt(TOOLBAR_ICON_METADATA_NAME); 2354 if (iconResId != 0) { 2355 Resources res = packageManager.getResourcesForActivity(activityName); 2356 return res.getDrawable(iconResId); 2357 } 2358 } 2359 } catch (NameNotFoundException e) { 2360 // This can happen if the activity defines an invalid drawable 2361 Log.w(TAG, "Failed to load toolbar icon; " + activityName.flattenToShortString() + 2362 " not found", e); 2363 } catch (Resources.NotFoundException nfe) { 2364 // This can happen if the activity defines an invalid drawable 2365 Log.w(TAG, "Failed to load toolbar icon from " + activityName.flattenToShortString(), 2366 nfe); 2367 } 2368 return null; 2369 } 2370 2371 // if successful in getting icon, return it; otherwise, set button to use default drawable 2372 private Drawable.ConstantState updateTextButtonWithIconFromExternalActivity( 2373 int buttonId, ComponentName activityName, int fallbackDrawableId) { 2374 TextView button = (TextView) findViewById(buttonId); 2375 Drawable toolbarIcon = getExternalPackageToolbarIcon(activityName); 2376 2377 // If we were unable to find the icon via the meta-data, use a generic one 2378 if (toolbarIcon == null) { 2379 button.setCompoundDrawablesWithIntrinsicBounds(fallbackDrawableId, 0, 0, 0); 2380 return null; 2381 } else { 2382 button.setCompoundDrawablesWithIntrinsicBounds(toolbarIcon, null, null, null); 2383 return toolbarIcon.getConstantState(); 2384 } 2385 } 2386 2387 // if successful in getting icon, return it; otherwise, set button to use default drawable 2388 private Drawable.ConstantState updateButtonWithIconFromExternalActivity( 2389 int buttonId, ComponentName activityName, int fallbackDrawableId) { 2390 ImageView button = (ImageView) findViewById(buttonId); 2391 Drawable toolbarIcon = getExternalPackageToolbarIcon(activityName); 2392 2393 if (button != null) { 2394 // If we were unable to find the icon via the meta-data, use a 2395 // generic one 2396 if (toolbarIcon == null) { 2397 button.setImageResource(fallbackDrawableId); 2398 } else { 2399 button.setImageDrawable(toolbarIcon); 2400 } 2401 } 2402 2403 return toolbarIcon != null ? toolbarIcon.getConstantState() : null; 2404 2405 } 2406 2407 private void updateTextButtonWithDrawable(int buttonId, Drawable.ConstantState d) { 2408 TextView button = (TextView) findViewById(buttonId); 2409 button.setCompoundDrawables(d.newDrawable(getResources()), null, null, null); 2410 } 2411 2412 private void updateButtonWithDrawable(int buttonId, Drawable.ConstantState d) { 2413 ImageView button = (ImageView) findViewById(buttonId); 2414 button.setImageDrawable(d.newDrawable(getResources())); 2415 } 2416 2417 private void updateGlobalSearchIcon() { 2418 final ImageView searchButton = (ImageView) findViewById(R.id.search_button); 2419 final View searchDivider = findViewById(R.id.search_divider); 2420 2421 final SearchManager searchManager = 2422 (SearchManager) getSystemService(Context.SEARCH_SERVICE); 2423 ComponentName activityName = searchManager.getGlobalSearchActivity(); 2424 if (activityName != null) { 2425 sGlobalSearchIcon = updateButtonWithIconFromExternalActivity( 2426 R.id.search_button, activityName, R.drawable.ic_search_normal_holo); 2427 searchButton.setVisibility(View.VISIBLE); 2428 if (searchDivider != null) searchDivider.setVisibility(View.VISIBLE); 2429 } else { 2430 searchButton.setVisibility(View.GONE); 2431 if (searchDivider != null) searchDivider.setVisibility(View.GONE); 2432 } 2433 } 2434 2435 private void updateGlobalSearchIcon(Drawable.ConstantState d) { 2436 updateButtonWithDrawable(R.id.search_button, d); 2437 } 2438 2439 private void updateVoiceSearchIcon() { 2440 final View searchDivider = findViewById(R.id.search_divider); 2441 final View voiceButton = findViewById(R.id.voice_button); 2442 2443 Intent intent = new Intent(RecognizerIntent.ACTION_WEB_SEARCH); 2444 ComponentName activityName = intent.resolveActivity(getPackageManager()); 2445 if (activityName != null) { 2446 sVoiceSearchIcon = updateButtonWithIconFromExternalActivity( 2447 R.id.voice_button, activityName, R.drawable.ic_voice_search_holo); 2448 if (searchDivider != null) searchDivider.setVisibility(View.VISIBLE); 2449 voiceButton.setVisibility(View.VISIBLE); 2450 } else { 2451 if (searchDivider != null) searchDivider.setVisibility(View.GONE); 2452 voiceButton.setVisibility(View.GONE); 2453 } 2454 } 2455 2456 private void updateVoiceSearchIcon(Drawable.ConstantState d) { 2457 updateButtonWithDrawable(R.id.voice_button, d); 2458 } 2459 2460 /** 2461 * Sets the app market icon 2462 */ 2463 private void updateAppMarketIcon() { 2464 final View marketButton = findViewById(R.id.market_button); 2465 Intent intent = new Intent(Intent.ACTION_MAIN).addCategory(Intent.CATEGORY_APP_MARKET); 2466 // Find the app market activity by resolving an intent. 2467 // (If multiple app markets are installed, it will return the ResolverActivity.) 2468 ComponentName activityName = intent.resolveActivity(getPackageManager()); 2469 if (activityName != null) { 2470 mAppMarketIntent = intent; 2471 sAppMarketIcon = updateTextButtonWithIconFromExternalActivity( 2472 R.id.market_button, activityName, R.drawable.ic_launcher_market_holo); 2473 marketButton.setVisibility(View.VISIBLE); 2474 } else { 2475 // We should hide and disable the view so that we don't try and restore the visibility 2476 // of it when we swap between drag & normal states from IconDropTarget subclasses. 2477 marketButton.setVisibility(View.GONE); 2478 marketButton.setEnabled(false); 2479 } 2480 } 2481 2482 private void updateAppMarketIcon(Drawable.ConstantState d) { 2483 updateTextButtonWithDrawable(R.id.market_button, d); 2484 } 2485 2486 /** 2487 * Displays the shortcut creation dialog and launches, if necessary, the 2488 * appropriate activity. 2489 */ 2490 private class CreateShortcut implements DialogInterface.OnClickListener, 2491 DialogInterface.OnCancelListener, DialogInterface.OnDismissListener, 2492 DialogInterface.OnShowListener { 2493 2494 private AddAdapter mAdapter; 2495 2496 Dialog createDialog() { 2497 mAdapter = new AddAdapter(Launcher.this); 2498 2499 final AlertDialog.Builder builder = new AlertDialog.Builder(Launcher.this, 2500 AlertDialog.THEME_HOLO_DARK); 2501 builder.setAdapter(mAdapter, this); 2502 2503 AlertDialog dialog = builder.create(); 2504 dialog.setOnCancelListener(this); 2505 dialog.setOnDismissListener(this); 2506 dialog.setOnShowListener(this); 2507 2508 return dialog; 2509 } 2510 2511 public void onCancel(DialogInterface dialog) { 2512 mWaitingForResult = false; 2513 cleanup(); 2514 } 2515 2516 public void onDismiss(DialogInterface dialog) { 2517 mWaitingForResult = false; 2518 cleanup(); 2519 } 2520 2521 private void cleanup() { 2522 try { 2523 dismissDialog(DIALOG_CREATE_SHORTCUT); 2524 } catch (Exception e) { 2525 // An exception is thrown if the dialog is not visible, which is fine 2526 } 2527 } 2528 2529 /** 2530 * Handle the action clicked in the "Add to home" dialog. 2531 */ 2532 public void onClick(DialogInterface dialog, int which) { 2533 cleanup(); 2534 2535 AddAdapter.ListItem item = (AddAdapter.ListItem) mAdapter.getItem(which); 2536 switch (item.actionTag) { 2537 case AddAdapter.ITEM_APPLICATION: { 2538 if (mAppsCustomizeTabHost != null) { 2539 mAppsCustomizeTabHost.selectAppsTab(); 2540 } 2541 showAllApps(true); 2542 break; 2543 } 2544 case AddAdapter.ITEM_APPWIDGET: { 2545 if (mAppsCustomizeTabHost != null) { 2546 mAppsCustomizeTabHost.selectWidgetsTab(); 2547 } 2548 showAllApps(true); 2549 break; 2550 } 2551 case AddAdapter.ITEM_WALLPAPER: { 2552 startWallpaper(); 2553 break; 2554 } 2555 } 2556 } 2557 2558 public void onShow(DialogInterface dialog) { 2559 mWaitingForResult = true; 2560 } 2561 } 2562 2563 /** 2564 * Receives notifications when system dialogs are to be closed. 2565 */ 2566 private class CloseSystemDialogsIntentReceiver extends BroadcastReceiver { 2567 @Override 2568 public void onReceive(Context context, Intent intent) { 2569 closeSystemDialogs(); 2570 } 2571 } 2572 2573 /** 2574 * Receives notifications whenever the appwidgets are reset. 2575 */ 2576 private class AppWidgetResetObserver extends ContentObserver { 2577 public AppWidgetResetObserver() { 2578 super(new Handler()); 2579 } 2580 2581 @Override 2582 public void onChange(boolean selfChange) { 2583 onAppWidgetReset(); 2584 } 2585 } 2586 2587 /** 2588 * If the activity is currently paused, signal that we need to re-run the loader 2589 * in onResume. 2590 * 2591 * This needs to be called from incoming places where resources might have been loaded 2592 * while we are paused. That is becaues the Configuration might be wrong 2593 * when we're not running, and if it comes back to what it was when we 2594 * were paused, we are not restarted. 2595 * 2596 * Implementation of the method from LauncherModel.Callbacks. 2597 * 2598 * @return true if we are currently paused. The caller might be able to 2599 * skip some work in that case since we will come back again. 2600 */ 2601 public boolean setLoadOnResume() { 2602 if (mPaused) { 2603 Log.i(TAG, "setLoadOnResume"); 2604 mOnResumeNeedsLoad = true; 2605 return true; 2606 } else { 2607 return false; 2608 } 2609 } 2610 2611 /** 2612 * Implementation of the method from LauncherModel.Callbacks. 2613 */ 2614 public int getCurrentWorkspaceScreen() { 2615 if (mWorkspace != null) { 2616 return mWorkspace.getCurrentPage(); 2617 } else { 2618 return SCREEN_COUNT / 2; 2619 } 2620 } 2621 2622 2623 /** 2624 * Refreshes the shortcuts shown on the workspace. 2625 * 2626 * Implementation of the method from LauncherModel.Callbacks. 2627 */ 2628 public void startBinding() { 2629 final Workspace workspace = mWorkspace; 2630 2631 mWorkspace.clearDropTargets(); 2632 int count = workspace.getChildCount(); 2633 for (int i = 0; i < count; i++) { 2634 // Use removeAllViewsInLayout() to avoid an extra requestLayout() and invalidate(). 2635 final CellLayout layoutParent = (CellLayout) workspace.getChildAt(i); 2636 layoutParent.removeAllViewsInLayout(); 2637 } 2638 if (mHotseat != null) { 2639 mHotseat.resetLayout(); 2640 } 2641 2642 // This wasn't being called before which resulted in a leak of AppWidgetHostViews 2643 unbindWorkspaceAndHotseatItems(); 2644 } 2645 2646 /** 2647 * Bind the items start-end from the list. 2648 * 2649 * Implementation of the method from LauncherModel.Callbacks. 2650 */ 2651 public void bindItems(ArrayList<ItemInfo> shortcuts, int start, int end) { 2652 setLoadOnResume(); 2653 2654 final Workspace workspace = mWorkspace; 2655 for (int i=start; i<end; i++) { 2656 final ItemInfo item = shortcuts.get(i); 2657 2658 // Short circuit if we are loading dock items for a configuration which has no dock 2659 if (item.container == LauncherSettings.Favorites.CONTAINER_HOTSEAT && 2660 mHotseat == null) { 2661 continue; 2662 } 2663 2664 switch (item.itemType) { 2665 case LauncherSettings.Favorites.ITEM_TYPE_APPLICATION: 2666 case LauncherSettings.Favorites.ITEM_TYPE_SHORTCUT: 2667 View shortcut = createShortcut((ShortcutInfo)item); 2668 workspace.addInScreen(shortcut, item.container, item.screen, item.cellX, 2669 item.cellY, 1, 1, false); 2670 break; 2671 case LauncherSettings.Favorites.ITEM_TYPE_FOLDER: 2672 FolderIcon newFolder = FolderIcon.fromXml(R.layout.folder_icon, this, 2673 (ViewGroup) workspace.getChildAt(workspace.getCurrentPage()), 2674 (FolderInfo) item, mIconCache); 2675 workspace.addInScreen(newFolder, item.container, item.screen, item.cellX, 2676 item.cellY, 1, 1, false); 2677 break; 2678 } 2679 } 2680 workspace.requestLayout(); 2681 } 2682 2683 /** 2684 * Implementation of the method from LauncherModel.Callbacks. 2685 */ 2686 public void bindFolders(HashMap<Long, FolderInfo> folders) { 2687 setLoadOnResume(); 2688 sFolders.clear(); 2689 sFolders.putAll(folders); 2690 } 2691 2692 /** 2693 * Add the views for a widget to the workspace. 2694 * 2695 * Implementation of the method from LauncherModel.Callbacks. 2696 */ 2697 public void bindAppWidget(LauncherAppWidgetInfo item) { 2698 setLoadOnResume(); 2699 2700 final long start = DEBUG_WIDGETS ? SystemClock.uptimeMillis() : 0; 2701 if (DEBUG_WIDGETS) { 2702 Log.d(TAG, "bindAppWidget: " + item); 2703 } 2704 final Workspace workspace = mWorkspace; 2705 2706 final int appWidgetId = item.appWidgetId; 2707 final AppWidgetProviderInfo appWidgetInfo = mAppWidgetManager.getAppWidgetInfo(appWidgetId); 2708 if (DEBUG_WIDGETS) { 2709 Log.d(TAG, "bindAppWidget: id=" + item.appWidgetId + " belongs to component " + appWidgetInfo.provider); 2710 } 2711 2712 item.hostView = mAppWidgetHost.createView(this, appWidgetId, appWidgetInfo); 2713 2714 item.hostView.setAppWidget(appWidgetId, appWidgetInfo); 2715 item.hostView.setTag(item); 2716 2717 workspace.addInScreen(item.hostView, item.container, item.screen, item.cellX, 2718 item.cellY, item.spanX, item.spanY, false); 2719 2720 addWidgetToAutoAdvanceIfNeeded(item.hostView, appWidgetInfo); 2721 2722 workspace.requestLayout(); 2723 2724 if (DEBUG_WIDGETS) { 2725 Log.d(TAG, "bound widget id="+item.appWidgetId+" in " 2726 + (SystemClock.uptimeMillis()-start) + "ms"); 2727 } 2728 } 2729 2730 /** 2731 * Callback saying that there aren't any more items to bind. 2732 * 2733 * Implementation of the method from LauncherModel.Callbacks. 2734 */ 2735 public void finishBindingItems() { 2736 setLoadOnResume(); 2737 2738 if (mSavedState != null) { 2739 if (!mWorkspace.hasFocus()) { 2740 mWorkspace.getChildAt(mWorkspace.getCurrentPage()).requestFocus(); 2741 } 2742 mSavedState = null; 2743 } 2744 2745 if (mSavedInstanceState != null) { 2746 super.onRestoreInstanceState(mSavedInstanceState); 2747 mSavedInstanceState = null; 2748 } 2749 2750 mWorkspaceLoading = false; 2751 2752 // If we received the result of any pending adds while the loader was running (e.g. the 2753 // widget configuration forced an orientation change), process them now. 2754 for (int i = 0; i < sPendingAddList.size(); i++) { 2755 completeAdd(sPendingAddList.get(i)); 2756 } 2757 sPendingAddList.clear(); 2758 } 2759 2760 /** 2761 * Updates the icons on the launcher that are affected by changes to the package list 2762 * on the device. 2763 */ 2764 private void updateIconsAffectedByPackageManagerChanges() { 2765 updateAppMarketIcon(); 2766 updateVoiceSearchIcon(); 2767 } 2768 2769 @Override 2770 public void bindSearchablesChanged() { 2771 updateGlobalSearchIcon(); 2772 } 2773 2774 /** 2775 * Add the icons for all apps. 2776 * 2777 * Implementation of the method from LauncherModel.Callbacks. 2778 */ 2779 public void bindAllApplications(final ArrayList<ApplicationInfo> apps) { 2780 // Remove the progress bar entirely; we could also make it GONE 2781 // but better to remove it since we know it's not going to be used 2782 View progressBar = mAppsCustomizeTabHost. 2783 findViewById(R.id.apps_customize_progress_bar); 2784 if (progressBar != null) { 2785 ((ViewGroup)progressBar.getParent()).removeView(progressBar); 2786 } 2787 // We just post the call to setApps so the user sees the progress bar 2788 // disappear-- otherwise, it just looks like the progress bar froze 2789 // which doesn't look great 2790 mAppsCustomizeTabHost.post(new Runnable() { 2791 public void run() { 2792 if (mAppsCustomizeContent != null) { 2793 mAppsCustomizeContent.setApps(apps); 2794 } 2795 } 2796 }); 2797 2798 updateIconsAffectedByPackageManagerChanges(); 2799 updateGlobalSearchIcon(); 2800 } 2801 2802 /** 2803 * A package was installed. 2804 * 2805 * Implementation of the method from LauncherModel.Callbacks. 2806 */ 2807 public void bindAppsAdded(ArrayList<ApplicationInfo> apps) { 2808 setLoadOnResume(); 2809 removeDialog(DIALOG_CREATE_SHORTCUT); 2810 2811 if (mAppsCustomizeContent != null) { 2812 mAppsCustomizeContent.addApps(apps); 2813 } 2814 updateIconsAffectedByPackageManagerChanges(); 2815 } 2816 2817 /** 2818 * A package was updated. 2819 * 2820 * Implementation of the method from LauncherModel.Callbacks. 2821 */ 2822 public void bindAppsUpdated(ArrayList<ApplicationInfo> apps) { 2823 setLoadOnResume(); 2824 removeDialog(DIALOG_CREATE_SHORTCUT); 2825 if (mWorkspace != null) { 2826 mWorkspace.updateShortcuts(apps); 2827 } 2828 2829 if (mAppsCustomizeContent != null) { 2830 mAppsCustomizeContent.updateApps(apps); 2831 } 2832 updateIconsAffectedByPackageManagerChanges(); 2833 } 2834 2835 /** 2836 * A package was uninstalled. 2837 * 2838 * Implementation of the method from LauncherModel.Callbacks. 2839 */ 2840 public void bindAppsRemoved(ArrayList<ApplicationInfo> apps, boolean permanent) { 2841 removeDialog(DIALOG_CREATE_SHORTCUT); 2842 if (permanent) { 2843 mWorkspace.removeItems(apps); 2844 } 2845 2846 if (mAppsCustomizeContent != null) { 2847 mAppsCustomizeContent.removeApps(apps); 2848 } 2849 updateIconsAffectedByPackageManagerChanges(); 2850 } 2851 2852 /** 2853 * A number of packages were updated. 2854 */ 2855 public void bindPackagesUpdated() { 2856 2857 if (mAppsCustomizeContent != null) { 2858 mAppsCustomizeContent.onPackagesUpdated(); 2859 } 2860 } 2861 2862 private int mapConfigurationOriActivityInfoOri(int configOri) { 2863 final Display d = getWindowManager().getDefaultDisplay(); 2864 int naturalOri = Configuration.ORIENTATION_LANDSCAPE; 2865 switch (d.getRotation()) { 2866 case Surface.ROTATION_0: 2867 case Surface.ROTATION_180: 2868 // We are currently in the same basic orientation as the natural orientation 2869 naturalOri = configOri; 2870 break; 2871 case Surface.ROTATION_90: 2872 case Surface.ROTATION_270: 2873 // We are currently in the other basic orientation to the natural orientation 2874 naturalOri = (configOri == Configuration.ORIENTATION_LANDSCAPE) ? 2875 Configuration.ORIENTATION_PORTRAIT : Configuration.ORIENTATION_LANDSCAPE; 2876 break; 2877 } 2878 2879 int[] oriMap = { 2880 ActivityInfo.SCREEN_ORIENTATION_PORTRAIT, 2881 ActivityInfo.SCREEN_ORIENTATION_LANDSCAPE, 2882 ActivityInfo.SCREEN_ORIENTATION_REVERSE_PORTRAIT, 2883 ActivityInfo.SCREEN_ORIENTATION_REVERSE_LANDSCAPE 2884 }; 2885 // Since the map starts at portrait, we need to offset if this device's natural orientation 2886 // is landscape. 2887 int indexOffset = 0; 2888 if (naturalOri == Configuration.ORIENTATION_LANDSCAPE) { 2889 indexOffset = 1; 2890 } 2891 return oriMap[(d.getRotation() + indexOffset) % 4]; 2892 } 2893 public void lockScreenOrientation() { 2894 setRequestedOrientation(mapConfigurationOriActivityInfoOri(getResources() 2895 .getConfiguration().orientation)); 2896 } 2897 public void unlockScreenOrientation() { 2898 mHandler.postDelayed(new Runnable() { 2899 public void run() { 2900 setRequestedOrientation(ActivityInfo.SCREEN_ORIENTATION_UNSPECIFIED); 2901 } 2902 }, mRestoreScreenOrientationDelay); 2903 } 2904 2905 /** 2906 * Prints out out state for debugging. 2907 */ 2908 public void dumpState() { 2909 Log.d(TAG, "BEGIN launcher2 dump state for launcher " + this); 2910 Log.d(TAG, "mSavedState=" + mSavedState); 2911 Log.d(TAG, "mWorkspaceLoading=" + mWorkspaceLoading); 2912 Log.d(TAG, "mRestoring=" + mRestoring); 2913 Log.d(TAG, "mWaitingForResult=" + mWaitingForResult); 2914 Log.d(TAG, "mSavedInstanceState=" + mSavedInstanceState); 2915 Log.d(TAG, "sFolders.size=" + sFolders.size()); 2916 mModel.dumpState(); 2917 2918 if (mAppsCustomizeContent != null) { 2919 mAppsCustomizeContent.dumpState(); 2920 } 2921 Log.d(TAG, "END launcher2 dump state"); 2922 } 2923} 2924 2925interface LauncherTransitionable { 2926 void onLauncherTransitionStart(Animator animation, boolean toWorkspace); 2927 void onLauncherTransitionEnd(Animator animation, boolean toWorkspace); 2928} 2929