Launcher.java revision 1a15fb073a8e9521d8349dcfe0bef826a6f614ef
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_WALLPAPER = 1; 111 private static final int MENU_WALLPAPER_SETTINGS = Menu.FIRST + 1; 112 private static final int MENU_MANAGE_APPS = MENU_WALLPAPER_SETTINGS + 1; 113 private static final int MENU_HELP = MENU_MANAGE_APPS + 1; 114 115 private static final int REQUEST_CREATE_SHORTCUT = 1; 116 private static final int REQUEST_CREATE_APPWIDGET = 5; 117 private static final int REQUEST_PICK_APPLICATION = 6; 118 private static final int REQUEST_PICK_SHORTCUT = 7; 119 private static final int REQUEST_PICK_APPWIDGET = 9; 120 private static final int REQUEST_PICK_WALLPAPER = 10; 121 122 static final String EXTRA_SHORTCUT_DUPLICATE = "duplicate"; 123 124 static final int SCREEN_COUNT = 5; 125 static final int DEFAULT_SCREEN = 2; 126 127 static final int DIALOG_CREATE_SHORTCUT = 1; 128 static final int DIALOG_RENAME_FOLDER = 2; 129 130 private static final String PREFERENCES = "launcher.preferences"; 131 132 // Type: int 133 private static final String RUNTIME_STATE_CURRENT_SCREEN = "launcher.current_screen"; 134 // Type: int 135 private static final String RUNTIME_STATE = "launcher.state"; 136 // Type: int 137 private static final String RUNTIME_STATE_PENDING_ADD_CONTAINER = "launcher.add_container"; 138 // Type: int 139 private static final String RUNTIME_STATE_PENDING_ADD_SCREEN = "launcher.add_screen"; 140 // Type: int 141 private static final String RUNTIME_STATE_PENDING_ADD_CELL_X = "launcher.add_cell_x"; 142 // Type: int 143 private static final String RUNTIME_STATE_PENDING_ADD_CELL_Y = "launcher.add_cell_y"; 144 // Type: boolean 145 private static final String RUNTIME_STATE_PENDING_FOLDER_RENAME = "launcher.rename_folder"; 146 // Type: long 147 private static final String RUNTIME_STATE_PENDING_FOLDER_RENAME_ID = "launcher.rename_folder_id"; 148 149 private static final String TOOLBAR_ICON_METADATA_NAME = "com.android.launcher.toolbar_icon"; 150 151 /** The different states that Launcher can be in. */ 152 private enum State { WORKSPACE, APPS_CUSTOMIZE, APPS_CUSTOMIZE_SPRING_LOADED }; 153 private State mState = State.WORKSPACE; 154 private AnimatorSet mStateAnimation; 155 156 static final int APPWIDGET_HOST_ID = 1024; 157 private static final int EXIT_SPRINGLOADED_MODE_SHORT_TIMEOUT = 300; 158 private static final int EXIT_SPRINGLOADED_MODE_LONG_TIMEOUT = 600; 159 160 private static final Object sLock = new Object(); 161 private static int sScreen = DEFAULT_SCREEN; 162 163 private final BroadcastReceiver mCloseSystemDialogsReceiver 164 = new CloseSystemDialogsIntentReceiver(); 165 private final ContentObserver mWidgetObserver = new AppWidgetResetObserver(); 166 167 private LayoutInflater mInflater; 168 169 private DragController mDragController; 170 private Workspace mWorkspace; 171 172 private AppWidgetManager mAppWidgetManager; 173 private LauncherAppWidgetHost mAppWidgetHost; 174 175 private ItemInfo mPendingAddInfo = new ItemInfo(); 176 private int[] mTmpAddItemCellCoordinates = new int[2]; 177 178 private FolderInfo mFolderInfo; 179 180 private Hotseat mHotseat; 181 private View mAllAppsButton; 182 183 private SearchDropTargetBar mSearchDeleteBar; 184 private AppsCustomizeTabHost mAppsCustomizeTabHost; 185 private AppsCustomizePagedView mAppsCustomizeContent; 186 private boolean mAutoAdvanceRunning = false; 187 188 private Bundle mSavedState; 189 190 private SpannableStringBuilder mDefaultKeySsb = null; 191 192 private boolean mWorkspaceLoading = true; 193 194 private boolean mPaused = true; 195 private boolean mRestoring; 196 private boolean mWaitingForResult; 197 private boolean mOnResumeNeedsLoad; 198 199 private Bundle mSavedInstanceState; 200 201 private LauncherModel mModel; 202 private IconCache mIconCache; 203 private boolean mUserPresent = true; 204 private boolean mVisible = false; 205 private boolean mAttached = false; 206 207 private static LocaleConfiguration sLocaleConfiguration = null; 208 209 private static HashMap<Long, FolderInfo> sFolders = new HashMap<Long, FolderInfo>(); 210 211 private Intent mAppMarketIntent = null; 212 213 // Related to the auto-advancing of widgets 214 private final int ADVANCE_MSG = 1; 215 private final int mAdvanceInterval = 20000; 216 private final int mAdvanceStagger = 250; 217 private long mAutoAdvanceSentTime; 218 private long mAutoAdvanceTimeLeft = -1; 219 private HashMap<View, AppWidgetProviderInfo> mWidgetsToAdvance = 220 new HashMap<View, AppWidgetProviderInfo>(); 221 222 // Determines how long to wait after a rotation before restoring the screen orientation to 223 // match the sensor state. 224 private final int mRestoreScreenOrientationDelay = 500; 225 226 // External icons saved in case of resource changes, orientation, etc. 227 private static Drawable.ConstantState sGlobalSearchIcon; 228 private static Drawable.ConstantState sVoiceSearchIcon; 229 private static Drawable.ConstantState sAppMarketIcon; 230 231 private DragLayer mDragLayer; 232 233 private BubbleTextView mWaitingForResume; 234 235 private static ArrayList<PendingAddArguments> sPendingAddList 236 = new ArrayList<PendingAddArguments>(); 237 238 private static class PendingAddArguments { 239 int requestCode; 240 Intent intent; 241 long container; 242 int screen; 243 int cellX; 244 int cellY; 245 } 246 247 @Override 248 protected void onCreate(Bundle savedInstanceState) { 249 super.onCreate(savedInstanceState); 250 LauncherApplication app = ((LauncherApplication)getApplication()); 251 mModel = app.setLauncher(this); 252 mIconCache = app.getIconCache(); 253 mDragController = new DragController(this); 254 mInflater = getLayoutInflater(); 255 256 mAppWidgetManager = AppWidgetManager.getInstance(this); 257 mAppWidgetHost = new LauncherAppWidgetHost(this, APPWIDGET_HOST_ID); 258 mAppWidgetHost.startListening(); 259 260 if (PROFILE_STARTUP) { 261 android.os.Debug.startMethodTracing( 262 Environment.getExternalStorageDirectory() + "/launcher"); 263 } 264 265 checkForLocaleChange(); 266 setContentView(R.layout.launcher); 267 setupViews(); 268 269 registerContentObservers(); 270 271 lockAllApps(); 272 273 mSavedState = savedInstanceState; 274 restoreState(mSavedState); 275 276 // Update customization drawer _after_ restoring the states 277 if (mAppsCustomizeContent != null) { 278 mAppsCustomizeContent.onPackagesUpdated(); 279 } 280 281 if (PROFILE_STARTUP) { 282 android.os.Debug.stopMethodTracing(); 283 } 284 285 if (!mRestoring) { 286 mModel.startLoader(this, true); 287 } 288 289 if (!mModel.isAllAppsLoaded()) { 290 ViewGroup appsCustomizeContentParent = (ViewGroup) mAppsCustomizeContent.getParent(); 291 mInflater.inflate(R.layout.apps_customize_progressbar, appsCustomizeContentParent); 292 } 293 294 // For handling default keys 295 mDefaultKeySsb = new SpannableStringBuilder(); 296 Selection.setSelection(mDefaultKeySsb, 0); 297 298 IntentFilter filter = new IntentFilter(Intent.ACTION_CLOSE_SYSTEM_DIALOGS); 299 registerReceiver(mCloseSystemDialogsReceiver, filter); 300 301 // If we have a saved version of these external icons, we load them up immediately 302 if (sGlobalSearchIcon == null || sVoiceSearchIcon == null || sAppMarketIcon == null) { 303 updateIconsAffectedByPackageManagerChanges(); 304 updateGlobalSearchIcon(); 305 } 306 if (sGlobalSearchIcon != null) { 307 updateGlobalSearchIcon(sGlobalSearchIcon); 308 } 309 if (sVoiceSearchIcon != null) { 310 updateVoiceSearchIcon(sVoiceSearchIcon); 311 } 312 if (sAppMarketIcon != null) { 313 updateAppMarketIcon(sAppMarketIcon); 314 } 315 } 316 317 private void checkForLocaleChange() { 318 if (sLocaleConfiguration == null) { 319 new AsyncTask<Void, Void, LocaleConfiguration>() { 320 @Override 321 protected LocaleConfiguration doInBackground(Void... unused) { 322 LocaleConfiguration localeConfiguration = new LocaleConfiguration(); 323 readConfiguration(Launcher.this, localeConfiguration); 324 return localeConfiguration; 325 } 326 327 @Override 328 protected void onPostExecute(LocaleConfiguration result) { 329 sLocaleConfiguration = result; 330 checkForLocaleChange(); // recursive, but now with a locale configuration 331 } 332 }.execute(); 333 return; 334 } 335 336 final Configuration configuration = getResources().getConfiguration(); 337 338 final String previousLocale = sLocaleConfiguration.locale; 339 final String locale = configuration.locale.toString(); 340 341 final int previousMcc = sLocaleConfiguration.mcc; 342 final int mcc = configuration.mcc; 343 344 final int previousMnc = sLocaleConfiguration.mnc; 345 final int mnc = configuration.mnc; 346 347 boolean localeChanged = !locale.equals(previousLocale) || mcc != previousMcc || mnc != previousMnc; 348 349 if (localeChanged) { 350 sLocaleConfiguration.locale = locale; 351 sLocaleConfiguration.mcc = mcc; 352 sLocaleConfiguration.mnc = mnc; 353 354 mIconCache.flush(); 355 356 final LocaleConfiguration localeConfiguration = sLocaleConfiguration; 357 new Thread("WriteLocaleConfiguration") { 358 @Override 359 public void run() { 360 writeConfiguration(Launcher.this, localeConfiguration); 361 } 362 }.start(); 363 } 364 } 365 366 private static class LocaleConfiguration { 367 public String locale; 368 public int mcc = -1; 369 public int mnc = -1; 370 } 371 372 private static void readConfiguration(Context context, LocaleConfiguration configuration) { 373 DataInputStream in = null; 374 try { 375 in = new DataInputStream(context.openFileInput(PREFERENCES)); 376 configuration.locale = in.readUTF(); 377 configuration.mcc = in.readInt(); 378 configuration.mnc = in.readInt(); 379 } catch (FileNotFoundException e) { 380 // Ignore 381 } catch (IOException e) { 382 // Ignore 383 } finally { 384 if (in != null) { 385 try { 386 in.close(); 387 } catch (IOException e) { 388 // Ignore 389 } 390 } 391 } 392 } 393 394 private static void writeConfiguration(Context context, LocaleConfiguration configuration) { 395 DataOutputStream out = null; 396 try { 397 out = new DataOutputStream(context.openFileOutput(PREFERENCES, MODE_PRIVATE)); 398 out.writeUTF(configuration.locale); 399 out.writeInt(configuration.mcc); 400 out.writeInt(configuration.mnc); 401 out.flush(); 402 } catch (FileNotFoundException e) { 403 // Ignore 404 } catch (IOException e) { 405 //noinspection ResultOfMethodCallIgnored 406 context.getFileStreamPath(PREFERENCES).delete(); 407 } finally { 408 if (out != null) { 409 try { 410 out.close(); 411 } catch (IOException e) { 412 // Ignore 413 } 414 } 415 } 416 } 417 418 public DragLayer getDragLayer() { 419 return mDragLayer; 420 } 421 422 static int getScreen() { 423 synchronized (sLock) { 424 return sScreen; 425 } 426 } 427 428 static void setScreen(int screen) { 429 synchronized (sLock) { 430 sScreen = screen; 431 } 432 } 433 434 /** 435 * Returns whether we should delay spring loaded mode -- for shortcuts and widgets that have 436 * a configuration step, this allows the proper animations to run after other transitions. 437 */ 438 private boolean completeAdd(PendingAddArguments args) { 439 boolean result = false; 440 switch (args.requestCode) { 441 case REQUEST_PICK_APPLICATION: 442 completeAddApplication(args.intent, args.container, args.screen, args.cellX, 443 args.cellY); 444 break; 445 case REQUEST_PICK_SHORTCUT: 446 processShortcut(args.intent); 447 break; 448 case REQUEST_CREATE_SHORTCUT: 449 completeAddShortcut(args.intent, args.container, args.screen, args.cellX, 450 args.cellY); 451 result = true; 452 break; 453 case REQUEST_PICK_APPWIDGET: 454 addAppWidgetFromPick(args.intent); 455 break; 456 case REQUEST_CREATE_APPWIDGET: 457 int appWidgetId = args.intent.getIntExtra(AppWidgetManager.EXTRA_APPWIDGET_ID, -1); 458 completeAddAppWidget(appWidgetId, args.container, args.screen); 459 result = true; 460 break; 461 case REQUEST_PICK_WALLPAPER: 462 // We just wanted the activity result here so we can clear mWaitingForResult 463 break; 464 } 465 // In any situation where we have a multi-step drop, we should reset the add info only after 466 // we complete the drop 467 resetAddInfo(); 468 return result; 469 } 470 471 @Override 472 protected void onActivityResult(final int requestCode, int resultCode, final Intent data) { 473 boolean delayExitSpringLoadedMode = false; 474 mWaitingForResult = false; 475 476 // The pattern used here is that a user PICKs a specific application, 477 // which, depending on the target, might need to CREATE the actual target. 478 479 // For example, the user would PICK_SHORTCUT for "Music playlist", and we 480 // launch over to the Music app to actually CREATE_SHORTCUT. 481 if (resultCode == RESULT_OK && mPendingAddInfo.container != ItemInfo.NO_ID) { 482 final PendingAddArguments args = new PendingAddArguments(); 483 args.requestCode = requestCode; 484 args.intent = data; 485 args.container = mPendingAddInfo.container; 486 args.screen = mPendingAddInfo.screen; 487 args.cellX = mPendingAddInfo.cellX; 488 args.cellY = mPendingAddInfo.cellY; 489 490 // If the loader is still running, defer the add until it is done. 491 if (isWorkspaceLocked()) { 492 sPendingAddList.add(args); 493 } else { 494 delayExitSpringLoadedMode = completeAdd(args); 495 } 496 } else if ((requestCode == REQUEST_PICK_APPWIDGET || 497 requestCode == REQUEST_CREATE_APPWIDGET) && resultCode == RESULT_CANCELED) { 498 if (data != null) { 499 // Clean up the appWidgetId if we canceled 500 int appWidgetId = data.getIntExtra(AppWidgetManager.EXTRA_APPWIDGET_ID, -1); 501 if (appWidgetId != -1) { 502 mAppWidgetHost.deleteAppWidgetId(appWidgetId); 503 } 504 } 505 } 506 507 // Exit spring loaded mode if necessary after cancelling the configuration of a widget 508 exitSpringLoadedDragModeDelayed((resultCode != RESULT_CANCELED), delayExitSpringLoadedMode); 509 } 510 511 @Override 512 protected void onResume() { 513 super.onResume(); 514 mPaused = false; 515 if (mRestoring || mOnResumeNeedsLoad) { 516 mWorkspaceLoading = true; 517 mModel.startLoader(this, true); 518 mRestoring = false; 519 mOnResumeNeedsLoad = false; 520 } 521 if (mWaitingForResume != null) { 522 mWaitingForResume.setStayPressed(false); 523 } 524 // When we resume Launcher, a different Activity might be responsible for the app 525 // market intent, so refresh the icon 526 updateAppMarketIcon(); 527 } 528 529 @Override 530 protected void onPause() { 531 super.onPause(); 532 mPaused = true; 533 mDragController.cancelDrag(); 534 } 535 536 @Override 537 public Object onRetainNonConfigurationInstance() { 538 // Flag the loader to stop early before switching 539 mModel.stopLoader(); 540 if (mAppsCustomizeContent != null) { 541 mAppsCustomizeContent.surrender(); 542 } 543 return Boolean.TRUE; 544 } 545 546 // We can't hide the IME if it was forced open. So don't bother 547 /* 548 @Override 549 public void onWindowFocusChanged(boolean hasFocus) { 550 super.onWindowFocusChanged(hasFocus); 551 552 if (hasFocus) { 553 final InputMethodManager inputManager = (InputMethodManager) 554 getSystemService(Context.INPUT_METHOD_SERVICE); 555 WindowManager.LayoutParams lp = getWindow().getAttributes(); 556 inputManager.hideSoftInputFromWindow(lp.token, 0, new android.os.ResultReceiver(new 557 android.os.Handler()) { 558 protected void onReceiveResult(int resultCode, Bundle resultData) { 559 Log.d(TAG, "ResultReceiver got resultCode=" + resultCode); 560 } 561 }); 562 Log.d(TAG, "called hideSoftInputFromWindow from onWindowFocusChanged"); 563 } 564 } 565 */ 566 567 private boolean acceptFilter() { 568 final InputMethodManager inputManager = (InputMethodManager) 569 getSystemService(Context.INPUT_METHOD_SERVICE); 570 return !inputManager.isFullscreenMode(); 571 } 572 573 @Override 574 public boolean onKeyDown(int keyCode, KeyEvent event) { 575 final int uniChar = event.getUnicodeChar(); 576 final boolean handled = super.onKeyDown(keyCode, event); 577 final boolean isKeyNotWhitespace = uniChar > 0 && !Character.isWhitespace(uniChar); 578 if (!handled && acceptFilter() && isKeyNotWhitespace) { 579 boolean gotKey = TextKeyListener.getInstance().onKeyDown(mWorkspace, mDefaultKeySsb, 580 keyCode, event); 581 if (gotKey && mDefaultKeySsb != null && mDefaultKeySsb.length() > 0) { 582 // something usable has been typed - start a search 583 // the typed text will be retrieved and cleared by 584 // showSearchDialog() 585 // If there are multiple keystrokes before the search dialog takes focus, 586 // onSearchRequested() will be called for every keystroke, 587 // but it is idempotent, so it's fine. 588 return onSearchRequested(); 589 } 590 } 591 592 // Eat the long press event so the keyboard doesn't come up. 593 if (keyCode == KeyEvent.KEYCODE_MENU && event.isLongPress()) { 594 return true; 595 } 596 597 return handled; 598 } 599 600 private String getTypedText() { 601 return mDefaultKeySsb.toString(); 602 } 603 604 private void clearTypedText() { 605 mDefaultKeySsb.clear(); 606 mDefaultKeySsb.clearSpans(); 607 Selection.setSelection(mDefaultKeySsb, 0); 608 } 609 610 /** 611 * Given the integer (ordinal) value of a State enum instance, convert it to a variable of type 612 * State 613 */ 614 private static State intToState(int stateOrdinal) { 615 State state = State.WORKSPACE; 616 final State[] stateValues = State.values(); 617 for (int i = 0; i < stateValues.length; i++) { 618 if (stateValues[i].ordinal() == stateOrdinal) { 619 state = stateValues[i]; 620 break; 621 } 622 } 623 return state; 624 } 625 626 /** 627 * Restores the previous state, if it exists. 628 * 629 * @param savedState The previous state. 630 */ 631 private void restoreState(Bundle savedState) { 632 if (savedState == null) { 633 return; 634 } 635 636 State state = intToState(savedState.getInt(RUNTIME_STATE, State.WORKSPACE.ordinal())); 637 if (state == State.APPS_CUSTOMIZE) { 638 showAllApps(false); 639 } 640 641 final int currentScreen = savedState.getInt(RUNTIME_STATE_CURRENT_SCREEN, -1); 642 if (currentScreen > -1) { 643 mWorkspace.setCurrentPage(currentScreen); 644 } 645 646 final long pendingAddContainer = savedState.getLong(RUNTIME_STATE_PENDING_ADD_CONTAINER, -1); 647 final int pendingAddScreen = savedState.getInt(RUNTIME_STATE_PENDING_ADD_SCREEN, -1); 648 649 if (pendingAddContainer != ItemInfo.NO_ID && pendingAddScreen > -1) { 650 mPendingAddInfo.container = pendingAddContainer; 651 mPendingAddInfo.screen = pendingAddScreen; 652 mPendingAddInfo.cellX = savedState.getInt(RUNTIME_STATE_PENDING_ADD_CELL_X); 653 mPendingAddInfo.cellY = savedState.getInt(RUNTIME_STATE_PENDING_ADD_CELL_Y); 654 mRestoring = true; 655 } 656 657 boolean renameFolder = savedState.getBoolean(RUNTIME_STATE_PENDING_FOLDER_RENAME, false); 658 if (renameFolder) { 659 long id = savedState.getLong(RUNTIME_STATE_PENDING_FOLDER_RENAME_ID); 660 mFolderInfo = mModel.getFolderById(this, sFolders, id); 661 mRestoring = true; 662 } 663 664 665 // Restore the AppsCustomize tab 666 if (mAppsCustomizeTabHost != null) { 667 String curTab = savedState.getString("apps_customize_currentTab"); 668 if (curTab != null) { 669 // We set this directly so that there is no delay before the tab is set 670 mAppsCustomizeContent.setContentType( 671 mAppsCustomizeTabHost.getContentTypeForTabTag(curTab)); 672 mAppsCustomizeTabHost.setCurrentTabByTag(curTab); 673 } 674 675 // Note: currently we do not restore the page for the AppsCustomize pane because the 676 // change in layout can drastically affect the saved page index 677 } 678 } 679 680 /** 681 * Finds all the views we need and configure them properly. 682 */ 683 private void setupViews() { 684 final DragController dragController = mDragController; 685 686 mDragLayer = (DragLayer) findViewById(R.id.drag_layer); 687 mWorkspace = (Workspace) mDragLayer.findViewById(R.id.workspace); 688 689 // Setup the drag layer 690 mDragLayer.setup(this, dragController); 691 692 // Setup the hotseat 693 mHotseat = (Hotseat) findViewById(R.id.hotseat); 694 if (mHotseat != null) { 695 mHotseat.setup(this); 696 } 697 698 // Setup the workspace 699 mWorkspace.setHapticFeedbackEnabled(false); 700 mWorkspace.setOnLongClickListener(this); 701 mWorkspace.setup(this, dragController); 702 dragController.addDragListener(mWorkspace); 703 704 // Get the search/delete bar 705 mSearchDeleteBar = (SearchDropTargetBar) mDragLayer.findViewById(R.id.qsb_bar); 706 707 // Setup AppsCustomize 708 mAppsCustomizeTabHost = (AppsCustomizeTabHost) 709 findViewById(R.id.apps_customize_pane); 710 mAppsCustomizeContent = (AppsCustomizePagedView) 711 mAppsCustomizeTabHost.findViewById(R.id.apps_customize_pane_content); 712 mAppsCustomizeContent.setup(this, dragController); 713 714 715 716 // Setup the drag controller (drop targets have to be added in reverse order in priority) 717 dragController.setDragScoller(mWorkspace); 718 dragController.setScrollView(mDragLayer); 719 dragController.setMoveTarget(mWorkspace); 720 dragController.addDropTarget(mWorkspace); 721 if (mSearchDeleteBar != null) { 722 mSearchDeleteBar.setup(this, dragController); 723 } 724 } 725 726 727 728 /** 729 * Creates a view representing a shortcut. 730 * 731 * @param info The data structure describing the shortcut. 732 * 733 * @return A View inflated from R.layout.application. 734 */ 735 View createShortcut(ShortcutInfo info) { 736 return createShortcut(R.layout.application, 737 (ViewGroup) mWorkspace.getChildAt(mWorkspace.getCurrentPage()), info); 738 } 739 740 /** 741 * Creates a view representing a shortcut inflated from the specified resource. 742 * 743 * @param layoutResId The id of the XML layout used to create the shortcut. 744 * @param parent The group the shortcut belongs to. 745 * @param info The data structure describing the shortcut. 746 * 747 * @return A View inflated from layoutResId. 748 */ 749 View createShortcut(int layoutResId, ViewGroup parent, ShortcutInfo info) { 750 BubbleTextView favorite = (BubbleTextView) mInflater.inflate(layoutResId, parent, false); 751 favorite.applyFromShortcutInfo(info, mIconCache); 752 favorite.setOnClickListener(this); 753 return favorite; 754 } 755 756 /** 757 * Add an application shortcut to the workspace. 758 * 759 * @param data The intent describing the application. 760 * @param cellInfo The position on screen where to create the shortcut. 761 */ 762 void completeAddApplication(Intent data, long container, int screen, int cellX, int cellY) { 763 final int[] cellXY = mTmpAddItemCellCoordinates; 764 final CellLayout layout = getCellLayout(container, screen); 765 766 // First we check if we already know the exact location where we want to add this item. 767 if (cellX >= 0 && cellY >= 0) { 768 cellXY[0] = cellX; 769 cellXY[1] = cellY; 770 } else if (!layout.findCellForSpan(cellXY, 1, 1)) { 771 showOutOfSpaceMessage(); 772 return; 773 } 774 775 final ShortcutInfo info = mModel.getShortcutInfo(getPackageManager(), data, this); 776 777 if (info != null) { 778 info.setActivity(data.getComponent(), Intent.FLAG_ACTIVITY_NEW_TASK | 779 Intent.FLAG_ACTIVITY_RESET_TASK_IF_NEEDED); 780 info.container = ItemInfo.NO_ID; 781 mWorkspace.addApplicationShortcut(info, layout, container, screen, cellXY[0], cellXY[1], 782 isWorkspaceLocked(), cellX, cellY); 783 } else { 784 Log.e(TAG, "Couldn't find ActivityInfo for selected application: " + data); 785 } 786 } 787 788 /** 789 * Add a shortcut to the workspace. 790 * 791 * @param data The intent describing the shortcut. 792 * @param cellInfo The position on screen where to create the shortcut. 793 */ 794 private void completeAddShortcut(Intent data, long container, int screen, int cellX, 795 int cellY) { 796 int[] cellXY = mTmpAddItemCellCoordinates; 797 int[] touchXY = mPendingAddInfo.dropPos; 798 CellLayout layout = getCellLayout(container, screen); 799 800 boolean foundCellSpan = false; 801 802 // First we check if we already know the exact location where we want to add this item. 803 if (cellX >= 0 && cellY >= 0) { 804 cellXY[0] = cellX; 805 cellXY[1] = cellY; 806 foundCellSpan = true; 807 } else if (touchXY != null) { 808 // when dragging and dropping, just find the closest free spot 809 int[] result = layout.findNearestVacantArea(touchXY[0], touchXY[1], 1, 1, cellXY); 810 foundCellSpan = (result != null); 811 } else { 812 foundCellSpan = layout.findCellForSpan(cellXY, 1, 1); 813 } 814 815 if (!foundCellSpan) { 816 showOutOfSpaceMessage(); 817 return; 818 } 819 820 final ShortcutInfo info = mModel.addShortcut( 821 this, data, container, screen, cellXY[0], cellXY[1], false); 822 823 if (!mRestoring) { 824 final View view = createShortcut(info); 825 mWorkspace.addInScreen(view, container, screen, cellXY[0], cellXY[1], 1, 1, 826 isWorkspaceLocked()); 827 } 828 } 829 830 /** 831 * Add a widget to the workspace. 832 * 833 * @param appWidgetId The app widget id 834 * @param cellInfo The position on screen where to create the widget. 835 */ 836 private void completeAddAppWidget(final int appWidgetId, long container, int screen) { 837 AppWidgetProviderInfo appWidgetInfo = mAppWidgetManager.getAppWidgetInfo(appWidgetId); 838 839 // Calculate the grid spans needed to fit this widget 840 CellLayout layout = getCellLayout(container, screen); 841 842 // We want to account for the extra amount of padding that we are adding to the widget 843 // to ensure that it gets the full amount of space that it has requested 844 Resources r = getResources(); 845 int requiredWidth = appWidgetInfo.minWidth + 846 r.getDimensionPixelSize(R.dimen.app_widget_padding_left) + 847 r.getDimensionPixelSize(R.dimen.app_widget_padding_right); 848 int requiredHeight = appWidgetInfo.minHeight + 849 r.getDimensionPixelSize(R.dimen.app_widget_padding_top) + 850 r.getDimensionPixelSize(R.dimen.app_widget_padding_bottom); 851 int[] spanXY = layout.rectToCell(requiredWidth, requiredHeight, null); 852 853 // Try finding open space on Launcher screen 854 // We have saved the position to which the widget was dragged-- this really only matters 855 // if we are placing widgets on a "spring-loaded" screen 856 int[] cellXY = mTmpAddItemCellCoordinates; 857 int[] touchXY = mPendingAddInfo.dropPos; 858 boolean foundCellSpan = false; 859 if (mPendingAddInfo.cellX >= 0 && mPendingAddInfo.cellY >= 0) { 860 cellXY[0] = mPendingAddInfo.cellX; 861 cellXY[1] = mPendingAddInfo.cellY; 862 foundCellSpan = true; 863 } else if (touchXY != null) { 864 // when dragging and dropping, just find the closest free spot 865 int[] result = layout.findNearestVacantArea( 866 touchXY[0], touchXY[1], spanXY[0], spanXY[1], cellXY); 867 foundCellSpan = (result != null); 868 } else { 869 foundCellSpan = layout.findCellForSpan(cellXY, spanXY[0], spanXY[1]); 870 } 871 872 if (!foundCellSpan) { 873 if (appWidgetId != -1) { 874 // Deleting an app widget ID is a void call but writes to disk before returning 875 // to the caller... 876 new Thread("deleteAppWidgetId") { 877 public void run() { 878 mAppWidgetHost.deleteAppWidgetId(appWidgetId); 879 } 880 }.start(); 881 } 882 showOutOfSpaceMessage(); 883 return; 884 } 885 886 // Build Launcher-specific widget info and save to database 887 LauncherAppWidgetInfo launcherInfo = new LauncherAppWidgetInfo(appWidgetId); 888 launcherInfo.spanX = spanXY[0]; 889 launcherInfo.spanY = spanXY[1]; 890 891 LauncherModel.addItemToDatabase(this, launcherInfo, 892 container, screen, cellXY[0], cellXY[1], false); 893 894 if (!mRestoring) { 895 // Perform actual inflation because we're live 896 launcherInfo.hostView = mAppWidgetHost.createView(this, appWidgetId, appWidgetInfo); 897 898 launcherInfo.hostView.setAppWidget(appWidgetId, appWidgetInfo); 899 launcherInfo.hostView.setTag(launcherInfo); 900 901 mWorkspace.addInScreen(launcherInfo.hostView, container, screen, cellXY[0], cellXY[1], 902 launcherInfo.spanX, launcherInfo.spanY, isWorkspaceLocked()); 903 904 addWidgetToAutoAdvanceIfNeeded(launcherInfo.hostView, appWidgetInfo); 905 } 906 } 907 908 private final BroadcastReceiver mReceiver = new BroadcastReceiver() { 909 @Override 910 public void onReceive(Context context, Intent intent) { 911 final String action = intent.getAction(); 912 if (Intent.ACTION_SCREEN_OFF.equals(action)) { 913 mUserPresent = false; 914 mDragLayer.clearAllResizeFrames(); 915 updateRunning(); 916 917 // Reset AllApps to its initial state only if we are not in the middle of 918 // processing a multi-step drop 919 if (mAppsCustomizeTabHost != null && mPendingAddInfo.container == ItemInfo.NO_ID) { 920 mAppsCustomizeTabHost.reset(); 921 showWorkspace(false); 922 } 923 } else if (Intent.ACTION_USER_PRESENT.equals(action)) { 924 mUserPresent = true; 925 updateRunning(); 926 } 927 } 928 }; 929 930 @Override 931 public void onAttachedToWindow() { 932 super.onAttachedToWindow(); 933 934 // Listen for broadcasts related to user-presence 935 final IntentFilter filter = new IntentFilter(); 936 filter.addAction(Intent.ACTION_SCREEN_OFF); 937 filter.addAction(Intent.ACTION_USER_PRESENT); 938 registerReceiver(mReceiver, filter); 939 940 mAttached = true; 941 mVisible = true; 942 } 943 944 @Override 945 public void onDetachedFromWindow() { 946 super.onDetachedFromWindow(); 947 mVisible = false; 948 mDragLayer.clearAllResizeFrames(); 949 950 if (mAttached) { 951 unregisterReceiver(mReceiver); 952 mAttached = false; 953 } 954 updateRunning(); 955 } 956 957 public void onWindowVisibilityChanged(int visibility) { 958 mVisible = visibility == View.VISIBLE; 959 updateRunning(); 960 } 961 962 private void sendAdvanceMessage(long delay) { 963 mHandler.removeMessages(ADVANCE_MSG); 964 Message msg = mHandler.obtainMessage(ADVANCE_MSG); 965 mHandler.sendMessageDelayed(msg, delay); 966 mAutoAdvanceSentTime = System.currentTimeMillis(); 967 } 968 969 private void updateRunning() { 970 boolean autoAdvanceRunning = mVisible && mUserPresent && !mWidgetsToAdvance.isEmpty(); 971 if (autoAdvanceRunning != mAutoAdvanceRunning) { 972 mAutoAdvanceRunning = autoAdvanceRunning; 973 if (autoAdvanceRunning) { 974 long delay = mAutoAdvanceTimeLeft == -1 ? mAdvanceInterval : mAutoAdvanceTimeLeft; 975 sendAdvanceMessage(delay); 976 } else { 977 if (!mWidgetsToAdvance.isEmpty()) { 978 mAutoAdvanceTimeLeft = Math.max(0, mAdvanceInterval - 979 (System.currentTimeMillis() - mAutoAdvanceSentTime)); 980 } 981 mHandler.removeMessages(ADVANCE_MSG); 982 mHandler.removeMessages(0); // Remove messages sent using postDelayed() 983 } 984 } 985 } 986 987 private final Handler mHandler = new Handler() { 988 @Override 989 public void handleMessage(Message msg) { 990 if (msg.what == ADVANCE_MSG) { 991 int i = 0; 992 for (View key: mWidgetsToAdvance.keySet()) { 993 final View v = key.findViewById(mWidgetsToAdvance.get(key).autoAdvanceViewId); 994 final int delay = mAdvanceStagger * i; 995 if (v instanceof Advanceable) { 996 postDelayed(new Runnable() { 997 public void run() { 998 ((Advanceable) v).advance(); 999 } 1000 }, delay); 1001 } 1002 i++; 1003 } 1004 sendAdvanceMessage(mAdvanceInterval); 1005 } 1006 } 1007 }; 1008 1009 void addWidgetToAutoAdvanceIfNeeded(View hostView, AppWidgetProviderInfo appWidgetInfo) { 1010 if (appWidgetInfo == null || appWidgetInfo.autoAdvanceViewId == -1) return; 1011 View v = hostView.findViewById(appWidgetInfo.autoAdvanceViewId); 1012 if (v instanceof Advanceable) { 1013 mWidgetsToAdvance.put(hostView, appWidgetInfo); 1014 ((Advanceable) v).fyiWillBeAdvancedByHostKThx(); 1015 updateRunning(); 1016 } 1017 } 1018 1019 void removeWidgetToAutoAdvance(View hostView) { 1020 if (mWidgetsToAdvance.containsKey(hostView)) { 1021 mWidgetsToAdvance.remove(hostView); 1022 updateRunning(); 1023 } 1024 } 1025 1026 public void removeAppWidget(LauncherAppWidgetInfo launcherInfo) { 1027 removeWidgetToAutoAdvance(launcherInfo.hostView); 1028 launcherInfo.hostView = null; 1029 } 1030 1031 void showOutOfSpaceMessage() { 1032 Toast.makeText(this, getString(R.string.out_of_space), Toast.LENGTH_SHORT).show(); 1033 } 1034 1035 public LauncherAppWidgetHost getAppWidgetHost() { 1036 return mAppWidgetHost; 1037 } 1038 1039 public LauncherModel getModel() { 1040 return mModel; 1041 } 1042 1043 void closeSystemDialogs() { 1044 getWindow().closeAllPanels(); 1045 1046 try { 1047 dismissDialog(DIALOG_CREATE_SHORTCUT); 1048 // Unlock the workspace if the dialog was showing 1049 } catch (Exception e) { 1050 // An exception is thrown if the dialog is not visible, which is fine 1051 } 1052 1053 try { 1054 dismissDialog(DIALOG_RENAME_FOLDER); 1055 // Unlock the workspace if the dialog was showing 1056 } catch (Exception e) { 1057 // An exception is thrown if the dialog is not visible, which is fine 1058 } 1059 1060 // Whatever we were doing is hereby canceled. 1061 mWaitingForResult = false; 1062 } 1063 1064 @Override 1065 protected void onNewIntent(Intent intent) { 1066 super.onNewIntent(intent); 1067 1068 // Close the menu 1069 if (Intent.ACTION_MAIN.equals(intent.getAction())) { 1070 // also will cancel mWaitingForResult. 1071 closeSystemDialogs(); 1072 1073 closeFolder(); 1074 1075 boolean alreadyOnHome = ((intent.getFlags() & Intent.FLAG_ACTIVITY_BROUGHT_TO_FRONT) 1076 != Intent.FLAG_ACTIVITY_BROUGHT_TO_FRONT); 1077 1078 // In all these cases, only animate if we're already on home 1079 mWorkspace.exitWidgetResizeMode(); 1080 if (alreadyOnHome && mState == State.WORKSPACE && !mWorkspace.isTouchActive()) { 1081 mWorkspace.moveToDefaultScreen(true); 1082 } 1083 exitSpringLoadedDragMode(); 1084 showWorkspace(alreadyOnHome); 1085 1086 final View v = getWindow().peekDecorView(); 1087 if (v != null && v.getWindowToken() != null) { 1088 InputMethodManager imm = (InputMethodManager)getSystemService( 1089 INPUT_METHOD_SERVICE); 1090 imm.hideSoftInputFromWindow(v.getWindowToken(), 0); 1091 } 1092 1093 // Reset AllApps to its initial state 1094 if (mAppsCustomizeTabHost != null) { 1095 mAppsCustomizeTabHost.reset(); 1096 } 1097 } 1098 } 1099 1100 @Override 1101 protected void onRestoreInstanceState(Bundle savedInstanceState) { 1102 // Do not call super here 1103 mSavedInstanceState = savedInstanceState; 1104 } 1105 1106 @Override 1107 protected void onSaveInstanceState(Bundle outState) { 1108 outState.putInt(RUNTIME_STATE_CURRENT_SCREEN, mWorkspace.getCurrentPage()); 1109 super.onSaveInstanceState(outState); 1110 1111 outState.putInt(RUNTIME_STATE, mState.ordinal()); 1112 // We close any open folder since it will not be re-opened, and we need to make sure 1113 // this state is reflected. 1114 closeFolder(); 1115 1116 if (mPendingAddInfo.container != ItemInfo.NO_ID && mPendingAddInfo.screen > -1 && 1117 mWaitingForResult) { 1118 outState.putLong(RUNTIME_STATE_PENDING_ADD_CONTAINER, mPendingAddInfo.container); 1119 outState.putInt(RUNTIME_STATE_PENDING_ADD_SCREEN, mPendingAddInfo.screen); 1120 outState.putInt(RUNTIME_STATE_PENDING_ADD_CELL_X, mPendingAddInfo.cellX); 1121 outState.putInt(RUNTIME_STATE_PENDING_ADD_CELL_Y, mPendingAddInfo.cellY); 1122 } 1123 1124 if (mFolderInfo != null && mWaitingForResult) { 1125 outState.putBoolean(RUNTIME_STATE_PENDING_FOLDER_RENAME, true); 1126 outState.putLong(RUNTIME_STATE_PENDING_FOLDER_RENAME_ID, mFolderInfo.id); 1127 } 1128 1129 // Save the current AppsCustomize tab 1130 if (mAppsCustomizeTabHost != null) { 1131 String currentTabTag = mAppsCustomizeTabHost.getCurrentTabTag(); 1132 if (currentTabTag != null) { 1133 outState.putString("apps_customize_currentTab", currentTabTag); 1134 } 1135 } 1136 } 1137 1138 @Override 1139 public void onDestroy() { 1140 super.onDestroy(); 1141 1142 // Remove all pending runnables 1143 mHandler.removeMessages(ADVANCE_MSG); 1144 mHandler.removeMessages(0); 1145 1146 // Stop callbacks from LauncherModel 1147 LauncherApplication app = ((LauncherApplication) getApplication()); 1148 mModel.stopLoader(); 1149 app.setLauncher(null); 1150 1151 try { 1152 mAppWidgetHost.stopListening(); 1153 } catch (NullPointerException ex) { 1154 Log.w(TAG, "problem while stopping AppWidgetHost during Launcher destruction", ex); 1155 } 1156 mAppWidgetHost = null; 1157 1158 mWidgetsToAdvance.clear(); 1159 1160 TextKeyListener.getInstance().release(); 1161 1162 1163 unbindWorkspaceAndHotseatItems(); 1164 1165 getContentResolver().unregisterContentObserver(mWidgetObserver); 1166 unregisterReceiver(mCloseSystemDialogsReceiver); 1167 1168 ((ViewGroup) mWorkspace.getParent()).removeAllViews(); 1169 mWorkspace.removeAllViews(); 1170 mWorkspace = null; 1171 mDragController = null; 1172 1173 ValueAnimator.clearAllAnimations(); 1174 } 1175 1176 public DragController getDragController() { 1177 return mDragController; 1178 } 1179 1180 @Override 1181 public void startActivityForResult(Intent intent, int requestCode) { 1182 if (requestCode >= 0) mWaitingForResult = true; 1183 super.startActivityForResult(intent, requestCode); 1184 } 1185 1186 /** 1187 * Indicates that we want global search for this activity by setting the globalSearch 1188 * argument for {@link #startSearch} to true. 1189 */ 1190 @Override 1191 public void startSearch(String initialQuery, boolean selectInitialQuery, 1192 Bundle appSearchData, boolean globalSearch) { 1193 1194 showWorkspace(true); 1195 1196 if (initialQuery == null) { 1197 // Use any text typed in the launcher as the initial query 1198 initialQuery = getTypedText(); 1199 clearTypedText(); 1200 } 1201 if (appSearchData == null) { 1202 appSearchData = new Bundle(); 1203 appSearchData.putString(Search.SOURCE, "launcher-search"); 1204 } 1205 1206 final SearchManager searchManager = 1207 (SearchManager) getSystemService(Context.SEARCH_SERVICE); 1208 searchManager.startSearch(initialQuery, selectInitialQuery, getComponentName(), 1209 appSearchData, globalSearch); 1210 } 1211 1212 @Override 1213 public boolean onCreateOptionsMenu(Menu menu) { 1214 if (isWorkspaceLocked()) { 1215 return false; 1216 } 1217 1218 super.onCreateOptionsMenu(menu); 1219 menu.add(MENU_GROUP_WALLPAPER, MENU_WALLPAPER_SETTINGS, 0, R.string.menu_wallpaper) 1220 .setIcon(android.R.drawable.ic_menu_gallery) 1221 .setAlphabeticShortcut('W'); 1222 menu.add(0, MENU_MANAGE_APPS, 0, R.string.menu_manage_apps) 1223 .setIcon(android.R.drawable.ic_menu_manage) 1224 .setAlphabeticShortcut('M'); 1225 menu.add(0, MENU_HELP, 0, R.string.menu_help) 1226 .setIcon(android.R.drawable.ic_menu_help) 1227 .setAlphabeticShortcut('H'); 1228 return true; 1229 } 1230 1231 @Override 1232 public boolean onPrepareOptionsMenu(Menu menu) { 1233 super.onPrepareOptionsMenu(menu); 1234 1235 if (mAppsCustomizeTabHost.isTransitioning()) { 1236 return false; 1237 } 1238 boolean allAppsVisible = (mAppsCustomizeTabHost.getVisibility() == View.VISIBLE); 1239 menu.setGroupVisible(MENU_GROUP_WALLPAPER, !allAppsVisible); 1240 1241 return true; 1242 } 1243 1244 @Override 1245 public boolean onOptionsItemSelected(MenuItem item) { 1246 switch (item.getItemId()) { 1247 case MENU_WALLPAPER_SETTINGS: 1248 startWallpaper(); 1249 return true; 1250 case MENU_MANAGE_APPS: 1251 manageApps(); 1252 return true; 1253 case MENU_HELP: 1254 startActivity(new Intent(Intent.ACTION_VIEW, Uri.parse(getString(R.string.help_url)))); 1255 return true; 1256 } 1257 1258 return super.onOptionsItemSelected(item); 1259 } 1260 1261 @Override 1262 public boolean onSearchRequested() { 1263 startSearch(null, false, null, true); 1264 // Use a custom animation for launching search 1265 overridePendingTransition(R.anim.fade_in_fast, R.anim.fade_out_fast); 1266 return true; 1267 } 1268 1269 public boolean isWorkspaceLocked() { 1270 return mWorkspaceLoading || mWaitingForResult; 1271 } 1272 1273 private void addItems() { 1274 showWorkspace(true); 1275 showAddDialog(); 1276 } 1277 1278 private void resetAddInfo() { 1279 mPendingAddInfo.container = ItemInfo.NO_ID; 1280 mPendingAddInfo.screen = -1; 1281 mPendingAddInfo.cellX = mPendingAddInfo.cellY = -1; 1282 mPendingAddInfo.spanX = mPendingAddInfo.spanY = -1; 1283 mPendingAddInfo.dropPos = null; 1284 } 1285 1286 private void manageApps() { 1287 startActivity(new Intent(android.provider.Settings.ACTION_MANAGE_ALL_APPLICATIONS_SETTINGS)); 1288 } 1289 1290 void addAppWidgetFromPick(Intent data) { 1291 // TODO: catch bad widget exception when sent 1292 int appWidgetId = data.getIntExtra(AppWidgetManager.EXTRA_APPWIDGET_ID, -1); 1293 // TODO: Is this log message meaningful? 1294 if (LOGD) Log.d(TAG, "dumping extras content=" + data.getExtras()); 1295 addAppWidgetImpl(appWidgetId, null); 1296 } 1297 1298 void addAppWidgetImpl(int appWidgetId, PendingAddWidgetInfo info) { 1299 AppWidgetProviderInfo appWidget = mAppWidgetManager.getAppWidgetInfo(appWidgetId); 1300 1301 if (appWidget.configure != null) { 1302 // Launch over to configure widget, if needed 1303 Intent intent = new Intent(AppWidgetManager.ACTION_APPWIDGET_CONFIGURE); 1304 intent.setComponent(appWidget.configure); 1305 intent.putExtra(AppWidgetManager.EXTRA_APPWIDGET_ID, appWidgetId); 1306 if (info != null) { 1307 if (info.mimeType != null && !info.mimeType.isEmpty()) { 1308 intent.putExtra( 1309 InstallWidgetReceiver.EXTRA_APPWIDGET_CONFIGURATION_DATA_MIME_TYPE, 1310 info.mimeType); 1311 1312 final String mimeType = info.mimeType; 1313 final ClipData clipData = (ClipData) info.configurationData; 1314 final ClipDescription clipDesc = clipData.getDescription(); 1315 for (int i = 0; i < clipDesc.getMimeTypeCount(); ++i) { 1316 if (clipDesc.getMimeType(i).equals(mimeType)) { 1317 final ClipData.Item item = clipData.getItemAt(i); 1318 final CharSequence stringData = item.getText(); 1319 final Uri uriData = item.getUri(); 1320 final Intent intentData = item.getIntent(); 1321 final String key = 1322 InstallWidgetReceiver.EXTRA_APPWIDGET_CONFIGURATION_DATA; 1323 if (uriData != null) { 1324 intent.putExtra(key, uriData); 1325 } else if (intentData != null) { 1326 intent.putExtra(key, intentData); 1327 } else if (stringData != null) { 1328 intent.putExtra(key, stringData); 1329 } 1330 break; 1331 } 1332 } 1333 } 1334 } 1335 1336 startActivityForResultSafely(intent, REQUEST_CREATE_APPWIDGET); 1337 } else { 1338 // Otherwise just add it 1339 completeAddAppWidget(appWidgetId, info.container, info.screen); 1340 1341 // Exit spring loaded mode if necessary after adding the widget 1342 exitSpringLoadedDragModeDelayed(true, false); 1343 } 1344 } 1345 1346 /** 1347 * Process a shortcut drop. 1348 * 1349 * @param componentName The name of the component 1350 * @param screen The screen where it should be added 1351 * @param cell The cell it should be added to, optional 1352 * @param position The location on the screen where it was dropped, optional 1353 */ 1354 void processShortcutFromDrop(ComponentName componentName, long container, int screen, 1355 int[] cell, int[] loc) { 1356 resetAddInfo(); 1357 mPendingAddInfo.container = container; 1358 mPendingAddInfo.screen = screen; 1359 mPendingAddInfo.dropPos = loc; 1360 1361 if (cell != null) { 1362 mPendingAddInfo.cellX = cell[0]; 1363 mPendingAddInfo.cellY = cell[1]; 1364 } 1365 1366 Intent createShortcutIntent = new Intent(Intent.ACTION_CREATE_SHORTCUT); 1367 createShortcutIntent.setComponent(componentName); 1368 processShortcut(createShortcutIntent); 1369 } 1370 1371 /** 1372 * Process a widget drop. 1373 * 1374 * @param info The PendingAppWidgetInfo of the widget being added. 1375 * @param screen The screen where it should be added 1376 * @param cell The cell it should be added to, optional 1377 * @param position The location on the screen where it was dropped, optional 1378 */ 1379 void addAppWidgetFromDrop(PendingAddWidgetInfo info, long container, int screen, 1380 int[] cell, int[] loc) { 1381 resetAddInfo(); 1382 mPendingAddInfo.container = info.container = container; 1383 mPendingAddInfo.screen = info.screen = screen; 1384 mPendingAddInfo.dropPos = loc; 1385 if (cell != null) { 1386 mPendingAddInfo.cellX = cell[0]; 1387 mPendingAddInfo.cellY = cell[1]; 1388 } 1389 1390 int appWidgetId = getAppWidgetHost().allocateAppWidgetId(); 1391 AppWidgetManager.getInstance(this).bindAppWidgetId(appWidgetId, info.componentName); 1392 addAppWidgetImpl(appWidgetId, info); 1393 } 1394 1395 void processShortcut(Intent intent) { 1396 // Handle case where user selected "Applications" 1397 String applicationName = getResources().getString(R.string.group_applications); 1398 String shortcutName = intent.getStringExtra(Intent.EXTRA_SHORTCUT_NAME); 1399 1400 if (applicationName != null && applicationName.equals(shortcutName)) { 1401 Intent mainIntent = new Intent(Intent.ACTION_MAIN, null); 1402 mainIntent.addCategory(Intent.CATEGORY_LAUNCHER); 1403 1404 Intent pickIntent = new Intent(Intent.ACTION_PICK_ACTIVITY); 1405 pickIntent.putExtra(Intent.EXTRA_INTENT, mainIntent); 1406 pickIntent.putExtra(Intent.EXTRA_TITLE, getText(R.string.title_select_application)); 1407 startActivityForResultSafely(pickIntent, REQUEST_PICK_APPLICATION); 1408 } else { 1409 startActivityForResultSafely(intent, REQUEST_CREATE_SHORTCUT); 1410 } 1411 } 1412 1413 void processWallpaper(Intent intent) { 1414 startActivityForResult(intent, REQUEST_PICK_WALLPAPER); 1415 } 1416 1417 FolderIcon addFolder(CellLayout layout, long container, final int screen, int cellX, 1418 int cellY) { 1419 final FolderInfo folderInfo = new FolderInfo(); 1420 folderInfo.title = getText(R.string.folder_name); 1421 1422 // Update the model 1423 LauncherModel.addItemToDatabase(Launcher.this, folderInfo, container, screen, cellX, cellY, 1424 false); 1425 sFolders.put(folderInfo.id, folderInfo); 1426 1427 // Create the view 1428 FolderIcon newFolder = 1429 FolderIcon.fromXml(R.layout.folder_icon, this, layout, folderInfo, mIconCache); 1430 mWorkspace.addInScreen(newFolder, container, screen, cellX, cellY, 1, 1, 1431 isWorkspaceLocked()); 1432 return newFolder; 1433 } 1434 1435 void removeFolder(FolderInfo folder) { 1436 sFolders.remove(folder.id); 1437 } 1438 1439 private void showNotifications() { 1440 final StatusBarManager statusBar = (StatusBarManager) getSystemService(STATUS_BAR_SERVICE); 1441 if (statusBar != null) { 1442 statusBar.expand(); 1443 } 1444 } 1445 1446 private void startWallpaper() { 1447 showWorkspace(true); 1448 final Intent pickWallpaper = new Intent(Intent.ACTION_SET_WALLPAPER); 1449 Intent chooser = Intent.createChooser(pickWallpaper, 1450 getText(R.string.chooser_wallpaper)); 1451 // NOTE: Adds a configure option to the chooser if the wallpaper supports it 1452 // Removed in Eclair MR1 1453// WallpaperManager wm = (WallpaperManager) 1454// getSystemService(Context.WALLPAPER_SERVICE); 1455// WallpaperInfo wi = wm.getWallpaperInfo(); 1456// if (wi != null && wi.getSettingsActivity() != null) { 1457// LabeledIntent li = new LabeledIntent(getPackageName(), 1458// R.string.configure_wallpaper, 0); 1459// li.setClassName(wi.getPackageName(), wi.getSettingsActivity()); 1460// chooser.putExtra(Intent.EXTRA_INITIAL_INTENTS, new Intent[] { li }); 1461// } 1462 startActivityForResult(chooser, REQUEST_PICK_WALLPAPER); 1463 } 1464 1465 /** 1466 * Registers various content observers. The current implementation registers 1467 * only a favorites observer to keep track of the favorites applications. 1468 */ 1469 private void registerContentObservers() { 1470 ContentResolver resolver = getContentResolver(); 1471 resolver.registerContentObserver(LauncherProvider.CONTENT_APPWIDGET_RESET_URI, 1472 true, mWidgetObserver); 1473 } 1474 1475 @Override 1476 public boolean dispatchKeyEvent(KeyEvent event) { 1477 if (event.getAction() == KeyEvent.ACTION_DOWN) { 1478 switch (event.getKeyCode()) { 1479 case KeyEvent.KEYCODE_HOME: 1480 return true; 1481 case KeyEvent.KEYCODE_VOLUME_DOWN: 1482 if (SystemProperties.getInt("debug.launcher2.dumpstate", 0) != 0) { 1483 dumpState(); 1484 return true; 1485 } 1486 break; 1487 } 1488 } else if (event.getAction() == KeyEvent.ACTION_UP) { 1489 switch (event.getKeyCode()) { 1490 case KeyEvent.KEYCODE_HOME: 1491 return true; 1492 } 1493 } 1494 1495 return super.dispatchKeyEvent(event); 1496 } 1497 1498 @Override 1499 public void onBackPressed() { 1500 if (mState == State.APPS_CUSTOMIZE) { 1501 showWorkspace(true); 1502 } else if (mWorkspace.getOpenFolder() != null) { 1503 Folder openFolder = mWorkspace.getOpenFolder(); 1504 if (openFolder.isEditingName()) { 1505 openFolder.dismissEditingName(); 1506 } else { 1507 closeFolder(); 1508 } 1509 } else { 1510 mWorkspace.exitWidgetResizeMode(); 1511 1512 // Back button is a no-op here, but give at least some feedback for the button press 1513 mWorkspace.showOutlinesTemporarily(); 1514 } 1515 } 1516 1517 /** 1518 * Re-listen when widgets are reset. 1519 */ 1520 private void onAppWidgetReset() { 1521 if (mAppWidgetHost != null) { 1522 mAppWidgetHost.startListening(); 1523 } 1524 } 1525 1526 /** 1527 * Go through the and disconnect any of the callbacks in the drawables and the views or we 1528 * leak the previous Home screen on orientation change. 1529 */ 1530 private void unbindWorkspaceAndHotseatItems() { 1531 LauncherModel.unbindWorkspaceItems(); 1532 } 1533 1534 /** 1535 * Launches the intent referred by the clicked shortcut. 1536 * 1537 * @param v The view representing the clicked shortcut. 1538 */ 1539 public void onClick(View v) { 1540 // Make sure that rogue clicks don't get through while allapps is launching, or after the 1541 // view has detached (it's possible for this to happen if the view is removed mid touch). 1542 if (v.getWindowToken() == null) { 1543 return; 1544 } 1545 1546 if (mWorkspace.isSwitchingState()) { 1547 return; 1548 } 1549 1550 Object tag = v.getTag(); 1551 if (tag instanceof ShortcutInfo) { 1552 // Open shortcut 1553 final Intent intent = ((ShortcutInfo) tag).intent; 1554 int[] pos = new int[2]; 1555 v.getLocationOnScreen(pos); 1556 intent.setSourceBounds(new Rect(pos[0], pos[1], 1557 pos[0] + v.getWidth(), pos[1] + v.getHeight())); 1558 boolean success = startActivitySafely(intent, tag); 1559 1560 if (success && v instanceof BubbleTextView) { 1561 mWaitingForResume = (BubbleTextView) v; 1562 mWaitingForResume.setStayPressed(true); 1563 } 1564 } else if (tag instanceof FolderInfo) { 1565 if (v instanceof FolderIcon) { 1566 FolderIcon fi = (FolderIcon) v; 1567 handleFolderClick(fi); 1568 } 1569 } else if (v == mAllAppsButton) { 1570 if (mState == State.APPS_CUSTOMIZE) { 1571 showWorkspace(true); 1572 } else { 1573 showAllApps(true); 1574 } 1575 } 1576 } 1577 1578 public boolean onTouch(View v, MotionEvent event) { 1579 // this is an intercepted event being forwarded from mWorkspace; 1580 // clicking anywhere on the workspace causes the customization drawer to slide down 1581 showWorkspace(true); 1582 return false; 1583 } 1584 1585 /** 1586 * Event handler for the search button 1587 * 1588 * @param v The view that was clicked. 1589 */ 1590 public void onClickSearchButton(View v) { 1591 onSearchRequested(); 1592 } 1593 1594 /** 1595 * Event handler for the voice button 1596 * 1597 * @param v The view that was clicked. 1598 */ 1599 public void onClickVoiceButton(View v) { 1600 startVoiceSearch(); 1601 } 1602 1603 private void startVoiceSearch() { 1604 Intent intent = new Intent(RecognizerIntent.ACTION_WEB_SEARCH); 1605 intent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK); 1606 startActivity(intent); 1607 } 1608 1609 /** 1610 * Event handler for the "grid" button that appears on the home screen, which 1611 * enters all apps mode. 1612 * 1613 * @param v The view that was clicked. 1614 */ 1615 public void onClickAllAppsButton(View v) { 1616 showAllApps(true); 1617 } 1618 1619 public void onClickAppMarketButton(View v) { 1620 if (mAppMarketIntent != null) { 1621 startActivitySafely(mAppMarketIntent, "app market"); 1622 } 1623 } 1624 1625 void startApplicationDetailsActivity(ComponentName componentName) { 1626 String packageName = componentName.getPackageName(); 1627 Intent intent = new Intent(Settings.ACTION_APPLICATION_DETAILS_SETTINGS, 1628 Uri.fromParts("package", packageName, null)); 1629 startActivity(intent); 1630 } 1631 1632 void startApplicationUninstallActivity(ApplicationInfo appInfo) { 1633 if ((appInfo.flags & ApplicationInfo.DOWNLOADED_FLAG) == 0) { 1634 // System applications cannot be installed. For now, show a toast explaining that. 1635 // We may give them the option of disabling apps this way. 1636 int messageId = R.string.uninstall_system_app_text; 1637 Toast.makeText(this, messageId, Toast.LENGTH_SHORT).show(); 1638 } else { 1639 String packageName = appInfo.componentName.getPackageName(); 1640 String className = appInfo.componentName.getClassName(); 1641 Intent intent = new Intent( 1642 Intent.ACTION_DELETE, Uri.fromParts("package", packageName, className)); 1643 startActivity(intent); 1644 } 1645 } 1646 1647 boolean startActivitySafely(Intent intent, Object tag) { 1648 intent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK); 1649 try { 1650 startActivity(intent); 1651 return true; 1652 } catch (ActivityNotFoundException e) { 1653 Toast.makeText(this, R.string.activity_not_found, Toast.LENGTH_SHORT).show(); 1654 Log.e(TAG, "Unable to launch. tag=" + tag + " intent=" + intent, e); 1655 } catch (SecurityException e) { 1656 Toast.makeText(this, R.string.activity_not_found, Toast.LENGTH_SHORT).show(); 1657 Log.e(TAG, "Launcher does not have the permission to launch " + intent + 1658 ". Make sure to create a MAIN intent-filter for the corresponding activity " + 1659 "or use the exported attribute for this activity. " 1660 + "tag="+ tag + " intent=" + intent, e); 1661 } 1662 return false; 1663 } 1664 1665 void startActivityForResultSafely(Intent intent, int requestCode) { 1666 try { 1667 startActivityForResult(intent, requestCode); 1668 } catch (ActivityNotFoundException e) { 1669 Toast.makeText(this, R.string.activity_not_found, Toast.LENGTH_SHORT).show(); 1670 } catch (SecurityException e) { 1671 Toast.makeText(this, R.string.activity_not_found, Toast.LENGTH_SHORT).show(); 1672 Log.e(TAG, "Launcher does not have the permission to launch " + intent + 1673 ". Make sure to create a MAIN intent-filter for the corresponding activity " + 1674 "or use the exported attribute for this activity.", e); 1675 } 1676 } 1677 1678 private void handleFolderClick(FolderIcon folderIcon) { 1679 final FolderInfo info = folderIcon.mInfo; 1680 if (!info.opened) { 1681 // Close any open folder 1682 closeFolder(); 1683 // Open the requested folder 1684 openFolder(folderIcon); 1685 } else { 1686 // Find the open folder... 1687 Folder openFolder = mWorkspace.getFolderForTag(info); 1688 int folderScreen; 1689 if (openFolder != null) { 1690 folderScreen = mWorkspace.getPageForView(openFolder); 1691 // .. and close it 1692 closeFolder(openFolder); 1693 if (folderScreen != mWorkspace.getCurrentPage()) { 1694 // Close any folder open on the current screen 1695 closeFolder(); 1696 // Pull the folder onto this screen 1697 openFolder(folderIcon); 1698 } 1699 } 1700 } 1701 } 1702 1703 private void growAndFadeOutFolderIcon(FolderIcon fi) { 1704 if (fi == null) return; 1705 PropertyValuesHolder alpha = PropertyValuesHolder.ofFloat("alpha", 0); 1706 PropertyValuesHolder scaleX = PropertyValuesHolder.ofFloat("scaleX", 1.5f); 1707 PropertyValuesHolder scaleY = PropertyValuesHolder.ofFloat("scaleY", 1.5f); 1708 1709 FolderInfo info = (FolderInfo) fi.getTag(); 1710 if (info.container == LauncherSettings.Favorites.CONTAINER_HOTSEAT) { 1711 CellLayout cl = (CellLayout) fi.getParent().getParent(); 1712 CellLayout.LayoutParams lp = (CellLayout.LayoutParams) fi.getLayoutParams(); 1713 cl.setFolderLeaveBehindCell(lp.cellX, lp.cellY); 1714 } 1715 1716 ObjectAnimator oa = ObjectAnimator.ofPropertyValuesHolder(fi, alpha, scaleX, scaleY); 1717 oa.setDuration(getResources().getInteger(R.integer.config_folderAnimDuration)); 1718 oa.start(); 1719 } 1720 1721 private void shrinkAndFadeInFolderIcon(FolderIcon fi) { 1722 if (fi == null) return; 1723 PropertyValuesHolder alpha = PropertyValuesHolder.ofFloat("alpha", 1.0f); 1724 PropertyValuesHolder scaleX = PropertyValuesHolder.ofFloat("scaleX", 1.0f); 1725 PropertyValuesHolder scaleY = PropertyValuesHolder.ofFloat("scaleY", 1.0f); 1726 1727 FolderInfo info = (FolderInfo) fi.getTag(); 1728 CellLayout cl = null; 1729 if (info.container == LauncherSettings.Favorites.CONTAINER_HOTSEAT) { 1730 cl = (CellLayout) fi.getParent().getParent(); 1731 } 1732 1733 final CellLayout layout = cl; 1734 ObjectAnimator oa = ObjectAnimator.ofPropertyValuesHolder(fi, alpha, scaleX, scaleY); 1735 oa.setDuration(getResources().getInteger(R.integer.config_folderAnimDuration)); 1736 oa.addListener(new AnimatorListenerAdapter() { 1737 @Override 1738 public void onAnimationEnd(Animator animation) { 1739 if (layout != null) { 1740 layout.clearFolderLeaveBehind(); 1741 } 1742 } 1743 }); 1744 oa.start(); 1745 } 1746 1747 /** 1748 * Opens the user folder described by the specified tag. The opening of the folder 1749 * is animated relative to the specified View. If the View is null, no animation 1750 * is played. 1751 * 1752 * @param folderInfo The FolderInfo describing the folder to open. 1753 */ 1754 public void openFolder(FolderIcon folderIcon) { 1755 Folder folder = folderIcon.mFolder; 1756 FolderInfo info = folder.mInfo; 1757 1758 growAndFadeOutFolderIcon(folderIcon); 1759 info.opened = true; 1760 1761 // Just verify that the folder hasn't already been added to the DragLayer. 1762 // There was a one-off crash where the folder had a parent already. 1763 if (folder.getParent() == null) { 1764 mDragLayer.addView(folder); 1765 mDragController.addDropTarget((DropTarget) folder); 1766 } else { 1767 Log.w(TAG, "Opening folder (" + folder + ") which already has a parent (" + 1768 folder.getParent() + ")."); 1769 } 1770 folder.animateOpen(); 1771 } 1772 1773 public void closeFolder() { 1774 Folder folder = mWorkspace.getOpenFolder(); 1775 if (folder != null) { 1776 closeFolder(folder); 1777 } 1778 } 1779 1780 void closeFolder(Folder folder) { 1781 folder.getInfo().opened = false; 1782 1783 ViewGroup parent = (ViewGroup) folder.getParent().getParent(); 1784 if (parent != null) { 1785 FolderIcon fi = (FolderIcon) mWorkspace.getViewForTag(folder.mInfo); 1786 shrinkAndFadeInFolderIcon(fi); 1787 } 1788 folder.animateClosed(); 1789 } 1790 1791 public boolean onLongClick(View v) { 1792 if (mState != State.WORKSPACE) { 1793 return false; 1794 } 1795 1796 if (isWorkspaceLocked()) { 1797 return false; 1798 } 1799 1800 if (!(v instanceof CellLayout)) { 1801 v = (View) v.getParent().getParent(); 1802 } 1803 1804 resetAddInfo(); 1805 CellLayout.CellInfo longClickCellInfo = (CellLayout.CellInfo) v.getTag(); 1806 // This happens when long clicking an item with the dpad/trackball 1807 if (longClickCellInfo == null) { 1808 return true; 1809 } 1810 1811 // The hotseat touch handling does not go through Workspace, and we always allow long press 1812 // on hotseat items. 1813 final View itemUnderLongClick = longClickCellInfo.cell; 1814 boolean allowLongPress = isHotseatLayout(v) || mWorkspace.allowLongPress(); 1815 if (allowLongPress && !mDragController.isDragging()) { 1816 if (itemUnderLongClick == null) { 1817 // User long pressed on empty space 1818 mWorkspace.performHapticFeedback(HapticFeedbackConstants.LONG_PRESS, 1819 HapticFeedbackConstants.FLAG_IGNORE_VIEW_SETTING); 1820 startWallpaper(); 1821 } else { 1822 if (!(itemUnderLongClick instanceof Folder)) { 1823 // User long pressed on an item 1824 mWorkspace.startDrag(longClickCellInfo); 1825 } 1826 } 1827 } 1828 return true; 1829 } 1830 1831 boolean isHotseatLayout(View layout) { 1832 return mHotseat != null && layout != null && 1833 (layout instanceof CellLayout) && (layout == mHotseat.getLayout()); 1834 } 1835 Hotseat getHotseat() { 1836 return mHotseat; 1837 } 1838 1839 /** 1840 * Returns the CellLayout of the specified container at the specified screen. 1841 */ 1842 CellLayout getCellLayout(long container, int screen) { 1843 if (container == LauncherSettings.Favorites.CONTAINER_HOTSEAT) { 1844 if (mHotseat != null) { 1845 return mHotseat.getLayout(); 1846 } else { 1847 return null; 1848 } 1849 } else { 1850 return (CellLayout) mWorkspace.getChildAt(screen); 1851 } 1852 } 1853 1854 Workspace getWorkspace() { 1855 return mWorkspace; 1856 } 1857 1858 @Override 1859 protected Dialog onCreateDialog(int id) { 1860 switch (id) { 1861 case DIALOG_CREATE_SHORTCUT: 1862 return new CreateShortcut().createDialog(); 1863 case DIALOG_RENAME_FOLDER: 1864 return new RenameFolder().createDialog(); 1865 } 1866 1867 return super.onCreateDialog(id); 1868 } 1869 1870 @Override 1871 protected void onPrepareDialog(int id, Dialog dialog) { 1872 switch (id) { 1873 case DIALOG_CREATE_SHORTCUT: 1874 break; 1875 case DIALOG_RENAME_FOLDER: 1876 if (mFolderInfo != null) { 1877 EditText input = (EditText) dialog.findViewById(R.id.folder_name); 1878 final CharSequence text = mFolderInfo.title; 1879 input.setText(text); 1880 input.setSelection(0, text.length()); 1881 } 1882 break; 1883 } 1884 } 1885 1886 void showRenameDialog(FolderInfo info) { 1887 mFolderInfo = info; 1888 mWaitingForResult = true; 1889 showDialog(DIALOG_RENAME_FOLDER); 1890 } 1891 1892 private void showAddDialog() { 1893 resetAddInfo(); 1894 mPendingAddInfo.container = LauncherSettings.Favorites.CONTAINER_DESKTOP; 1895 mPendingAddInfo.screen = mWorkspace.getCurrentPage(); 1896 mWaitingForResult = true; 1897 showDialog(DIALOG_CREATE_SHORTCUT); 1898 } 1899 1900 private class RenameFolder { 1901 private EditText mInput; 1902 1903 Dialog createDialog() { 1904 final View layout = View.inflate(Launcher.this, R.layout.rename_folder, null); 1905 mInput = (EditText) layout.findViewById(R.id.folder_name); 1906 1907 AlertDialog.Builder builder = new AlertDialog.Builder(Launcher.this); 1908 builder.setIcon(0); 1909 builder.setTitle(getString(R.string.rename_folder_title)); 1910 builder.setCancelable(true); 1911 builder.setOnCancelListener(new Dialog.OnCancelListener() { 1912 public void onCancel(DialogInterface dialog) { 1913 cleanup(); 1914 } 1915 }); 1916 builder.setNegativeButton(getString(R.string.cancel_action), 1917 new Dialog.OnClickListener() { 1918 public void onClick(DialogInterface dialog, int which) { 1919 cleanup(); 1920 } 1921 } 1922 ); 1923 builder.setPositiveButton(getString(R.string.rename_action), 1924 new Dialog.OnClickListener() { 1925 public void onClick(DialogInterface dialog, int which) { 1926 changeFolderName(); 1927 } 1928 } 1929 ); 1930 builder.setView(layout); 1931 1932 final AlertDialog dialog = builder.create(); 1933 dialog.setOnShowListener(new DialogInterface.OnShowListener() { 1934 public void onShow(DialogInterface dialog) { 1935 mWaitingForResult = true; 1936 mInput.requestFocus(); 1937 InputMethodManager inputManager = (InputMethodManager) 1938 getSystemService(Context.INPUT_METHOD_SERVICE); 1939 inputManager.showSoftInput(mInput, 0); 1940 } 1941 }); 1942 1943 return dialog; 1944 } 1945 1946 private void changeFolderName() { 1947 final String name = mInput.getText().toString(); 1948 if (!TextUtils.isEmpty(name)) { 1949 // Make sure we have the right folder info 1950 mFolderInfo = sFolders.get(mFolderInfo.id); 1951 mFolderInfo.title = name; 1952 LauncherModel.updateItemInDatabase(Launcher.this, mFolderInfo); 1953 1954 if (mWorkspaceLoading) { 1955 lockAllApps(); 1956 mModel.startLoader(Launcher.this, false); 1957 } else { 1958 final FolderIcon folderIcon = (FolderIcon) 1959 mWorkspace.getViewForTag(mFolderInfo); 1960 if (folderIcon != null) { 1961 // TODO: At some point we'll probably want some version of setting 1962 // the text for a folder icon. 1963 //folderIcon.setText(name); 1964 getWorkspace().requestLayout(); 1965 } else { 1966 lockAllApps(); 1967 mWorkspaceLoading = true; 1968 mModel.startLoader(Launcher.this, false); 1969 } 1970 } 1971 } 1972 cleanup(); 1973 } 1974 1975 private void cleanup() { 1976 dismissDialog(DIALOG_RENAME_FOLDER); 1977 mWaitingForResult = false; 1978 mFolderInfo = null; 1979 } 1980 } 1981 1982 // Now a part of LauncherModel.Callbacks. Used to reorder loading steps. 1983 public boolean isAllAppsVisible() { 1984 return (mState == State.APPS_CUSTOMIZE); 1985 } 1986 1987 // AllAppsView.Watcher 1988 public void zoomed(float zoom) { 1989 if (zoom == 1.0f) { 1990 mWorkspace.setVisibility(View.GONE); 1991 } 1992 } 1993 1994 /** 1995 * Helper method for the cameraZoomIn/cameraZoomOut animations 1996 * @param view The view being animated 1997 * @param state The state that we are moving in or out of (eg. APPS_CUSTOMIZE) 1998 * @param scaleFactor The scale factor used for the zoom 1999 */ 2000 private void setPivotsForZoom(View view, State state, float scaleFactor) { 2001 final int height = view.getHeight(); 2002 2003 view.setPivotX(view.getWidth() / 2.0f); 2004 // Set pivotY so that at the starting zoom factor, the view is partially 2005 // visible. Modifying initialHeightFactor changes how much of the view is 2006 // initially showing, and hence the perceived angle from which the view enters. 2007 if (state == State.APPS_CUSTOMIZE) { 2008 final float initialHeightFactor = 0.175f; 2009 view.setPivotY((1 - initialHeightFactor) * height); 2010 } else { 2011 final float initialHeightFactor = 0.2f; 2012 view.setPivotY(-initialHeightFactor * height); 2013 } 2014 } 2015 2016 /** 2017 * Zoom the camera out from the workspace to reveal 'toView'. 2018 * Assumes that the view to show is anchored at either the very top or very bottom 2019 * of the screen. 2020 * @param toState The state to zoom out to. Must be APPS_CUSTOMIZE. 2021 */ 2022 private void cameraZoomOut(State toState, boolean animated, final boolean springLoaded) { 2023 final Resources res = getResources(); 2024 2025 final int duration = res.getInteger(R.integer.config_appsCustomizeZoomInTime); 2026 final int fadeDuration = res.getInteger(R.integer.config_appsCustomizeFadeInTime); 2027 final float scale = (float) res.getInteger(R.integer.config_appsCustomizeZoomScaleFactor); 2028 final View toView = mAppsCustomizeTabHost; 2029 2030 setPivotsForZoom(toView, toState, scale); 2031 2032 // Shrink workspaces away if going to AppsCustomize from workspace 2033 mWorkspace.shrink(Workspace.State.SMALL, animated); 2034 hideHotseat(animated); 2035 2036 if (animated) { 2037 final ValueAnimator scaleAnim = ValueAnimator.ofFloat(0f, 1f).setDuration(duration); 2038 scaleAnim.setInterpolator(new Workspace.ZoomOutInterpolator()); 2039 scaleAnim.addUpdateListener(new LauncherAnimatorUpdateListener() { 2040 public void onAnimationUpdate(float a, float b) { 2041 ((View) toView.getParent()).fastInvalidate(); 2042 toView.setFastScaleX(a * scale + b * 1f); 2043 toView.setFastScaleY(a * scale + b * 1f); 2044 } 2045 }); 2046 2047 toView.setVisibility(View.VISIBLE); 2048 toView.setFastAlpha(0f); 2049 ValueAnimator alphaAnim = ValueAnimator.ofFloat(0f, 1f).setDuration(fadeDuration); 2050 alphaAnim.setInterpolator(new DecelerateInterpolator(1.5f)); 2051 alphaAnim.addUpdateListener(new LauncherAnimatorUpdateListener() { 2052 public void onAnimationUpdate(float a, float b) { 2053 // don't need to invalidate because we do so above 2054 toView.setFastAlpha(a * 0f + b * 1f); 2055 } 2056 }); 2057 alphaAnim.start(); 2058 2059 if (toView instanceof LauncherTransitionable) { 2060 ((LauncherTransitionable) toView).onLauncherTransitionStart(scaleAnim, false); 2061 } 2062 scaleAnim.addListener(new AnimatorListenerAdapter() { 2063 @Override 2064 public void onAnimationStart(Animator animation) { 2065 // Prepare the position 2066 toView.setTranslationX(0.0f); 2067 toView.setTranslationY(0.0f); 2068 toView.setVisibility(View.VISIBLE); 2069 toView.bringToFront(); 2070 } 2071 @Override 2072 public void onAnimationEnd(Animator animation) { 2073 // If we don't set the final scale values here, if this animation is cancelled 2074 // it will have the wrong scale value and subsequent cameraPan animations will 2075 // not fix that 2076 toView.setScaleX(1.0f); 2077 toView.setScaleY(1.0f); 2078 if (toView instanceof LauncherTransitionable) { 2079 ((LauncherTransitionable) toView).onLauncherTransitionEnd(scaleAnim, false); 2080 } 2081 2082 if (!springLoaded && !LauncherApplication.isScreenLarge()) { 2083 // Hide the workspace scrollbar 2084 mWorkspace.hideScrollingIndicator(true); 2085 mWorkspace.hideDockDivider(true); 2086 } 2087 } 2088 }); 2089 2090 // toView should appear right at the end of the workspace shrink animation 2091 final int startDelay = 0; 2092 2093 if (mStateAnimation != null) mStateAnimation.cancel(); 2094 mStateAnimation = new AnimatorSet(); 2095 mStateAnimation.play(scaleAnim).after(startDelay); 2096 mStateAnimation.start(); 2097 } else { 2098 toView.setTranslationX(0.0f); 2099 toView.setTranslationY(0.0f); 2100 toView.setScaleX(1.0f); 2101 toView.setScaleY(1.0f); 2102 toView.setVisibility(View.VISIBLE); 2103 toView.bringToFront(); 2104 if (toView instanceof LauncherTransitionable) { 2105 ((LauncherTransitionable) toView).onLauncherTransitionStart(null, false); 2106 ((LauncherTransitionable) toView).onLauncherTransitionEnd(null, false); 2107 2108 if (!springLoaded && !LauncherApplication.isScreenLarge()) { 2109 // Hide the workspace scrollbar 2110 mWorkspace.hideScrollingIndicator(true); 2111 mWorkspace.hideDockDivider(true); 2112 } 2113 } 2114 } 2115 } 2116 2117 /** 2118 * Zoom the camera back into the workspace, hiding 'fromView'. 2119 * This is the opposite of cameraZoomOut. 2120 * @param fromState The current state (must be APPS_CUSTOMIZE). 2121 * @param animated If true, the transition will be animated. 2122 */ 2123 private void cameraZoomIn(State fromState, boolean animated, final boolean springLoaded) { 2124 Resources res = getResources(); 2125 2126 final int duration = res.getInteger(R.integer.config_appsCustomizeZoomOutTime); 2127 final float scaleFactor = (float) 2128 res.getInteger(R.integer.config_appsCustomizeZoomScaleFactor); 2129 final View fromView = mAppsCustomizeTabHost; 2130 2131 setPivotsForZoom(fromView, fromState, scaleFactor); 2132 2133 if (!springLoaded) { 2134 mWorkspace.unshrink(animated); 2135 } 2136 showHotseat(animated); 2137 if (animated) { 2138 if (mStateAnimation != null) mStateAnimation.cancel(); 2139 mStateAnimation = new AnimatorSet(); 2140 2141 final float oldScaleX = fromView.getScaleX(); 2142 final float oldScaleY = fromView.getScaleY(); 2143 2144 ValueAnimator scaleAnim = ValueAnimator.ofFloat(0f, 1f).setDuration(duration); 2145 scaleAnim.setInterpolator(new Workspace.ZoomInInterpolator()); 2146 scaleAnim.addUpdateListener(new LauncherAnimatorUpdateListener() { 2147 public void onAnimationUpdate(float a, float b) { 2148 ((View)fromView.getParent()).fastInvalidate(); 2149 fromView.setFastScaleX(a * oldScaleX + b * scaleFactor); 2150 fromView.setFastScaleY(a * oldScaleY + b * scaleFactor); 2151 } 2152 }); 2153 final ValueAnimator alphaAnim = ValueAnimator.ofFloat(0f, 1f); 2154 alphaAnim.setDuration(res.getInteger(R.integer.config_appsCustomizeFadeOutTime)); 2155 alphaAnim.setInterpolator(new DecelerateInterpolator(1.5f)); 2156 alphaAnim.addUpdateListener(new LauncherAnimatorUpdateListener() { 2157 public void onAnimationUpdate(float a, float b) { 2158 // don't need to invalidate because we do so above 2159 fromView.setFastAlpha(a * 1f + b * 0f); 2160 } 2161 }); 2162 if (fromView instanceof LauncherTransitionable) { 2163 ((LauncherTransitionable) fromView).onLauncherTransitionStart(alphaAnim, true); 2164 } 2165 alphaAnim.addListener(new AnimatorListenerAdapter() { 2166 @Override 2167 public void onAnimationStart(android.animation.Animator animation) { 2168 if (!springLoaded) { 2169 mWorkspace.showDockDivider(false); 2170 } 2171 mWorkspace.showScrollingIndicator(false); 2172 } 2173 @Override 2174 public void onAnimationEnd(Animator animation) { 2175 fromView.setVisibility(View.GONE); 2176 if (fromView instanceof LauncherTransitionable) { 2177 ((LauncherTransitionable) fromView).onLauncherTransitionEnd(alphaAnim,true); 2178 } 2179 mWorkspace.hideScrollingIndicator(false); 2180 } 2181 }); 2182 2183 mStateAnimation.playTogether(scaleAnim, alphaAnim); 2184 mStateAnimation.start(); 2185 } else { 2186 fromView.setVisibility(View.GONE); 2187 if (fromView instanceof LauncherTransitionable) { 2188 ((LauncherTransitionable) fromView).onLauncherTransitionStart(null, true); 2189 ((LauncherTransitionable) fromView).onLauncherTransitionEnd(null, true); 2190 2191 if (!springLoaded && !LauncherApplication.isScreenLarge()) { 2192 // Flash the workspace scrollbar 2193 mWorkspace.showDockDivider(true); 2194 mWorkspace.flashScrollingIndicator(); 2195 } 2196 } 2197 } 2198 } 2199 2200 void showWorkspace(boolean animated) { 2201 showWorkspace(animated, null); 2202 } 2203 2204 void showWorkspace(boolean animated, CellLayout layout) { 2205 if (layout != null) { 2206 // always animated, but that's ok since we never specify a layout and 2207 // want no animation 2208 mWorkspace.unshrink(layout); 2209 } else { 2210 mWorkspace.unshrink(animated); 2211 } 2212 if (mState == State.APPS_CUSTOMIZE) { 2213 closeAllApps(animated); 2214 } 2215 2216 // Change the state *after* we've called all the transition code 2217 mState = State.WORKSPACE; 2218 2219 // Resume the auto-advance of widgets 2220 mUserPresent = true; 2221 updateRunning(); 2222 2223 // send an accessibility event to announce the context change 2224 getWindow().getDecorView().sendAccessibilityEvent(AccessibilityEvent.TYPE_VIEW_SELECTED); 2225 } 2226 2227 void enterSpringLoadedDragMode(CellLayout layout) { 2228 if (mState == State.APPS_CUSTOMIZE) { 2229 mWorkspace.enterSpringLoadedDragMode(layout); 2230 cameraZoomIn(State.APPS_CUSTOMIZE, true, true); 2231 mState = State.APPS_CUSTOMIZE_SPRING_LOADED; 2232 } 2233 // Otherwise, we are not in spring loaded mode, so don't do anything. 2234 } 2235 void exitSpringLoadedDragModeDelayed(final boolean successfulDrop, boolean extendedDelay) { 2236 mHandler.postDelayed(new Runnable() { 2237 @Override 2238 public void run() { 2239 exitSpringLoadedDragMode(); 2240 2241 if (successfulDrop) { 2242 // Before we show workspace, hide all apps again because 2243 // exitSpringLoadedDragMode made it visible. This is a bit hacky; we should 2244 // clean up our state transition functions 2245 mAppsCustomizeTabHost.setVisibility(View.GONE); 2246 showWorkspace(true); 2247 } 2248 } 2249 }, (extendedDelay ? 2250 EXIT_SPRINGLOADED_MODE_LONG_TIMEOUT : 2251 EXIT_SPRINGLOADED_MODE_SHORT_TIMEOUT)); 2252 } 2253 void exitSpringLoadedDragMode() { 2254 if (mState == State.APPS_CUSTOMIZE_SPRING_LOADED) { 2255 mWorkspace.exitSpringLoadedDragMode(Workspace.State.SMALL); 2256 cameraZoomOut(State.APPS_CUSTOMIZE, true, true); 2257 mState = State.APPS_CUSTOMIZE; 2258 } 2259 // Otherwise, we are not in spring loaded mode, so don't do anything. 2260 } 2261 2262 public boolean isAllAppsCustomizeOpen() { 2263 return mState == State.APPS_CUSTOMIZE; 2264 } 2265 2266 /** 2267 * Shows the hotseat area. 2268 */ 2269 void showHotseat(boolean animated) { 2270 if (!LauncherApplication.isScreenLarge()) { 2271 if (animated) { 2272 int duration = mSearchDeleteBar.getTransitionInDuration(); 2273 mHotseat.animate().alpha(1f).setDuration(duration); 2274 } else { 2275 mHotseat.setAlpha(1f); 2276 } 2277 } 2278 } 2279 2280 /** 2281 * Hides the hotseat area. 2282 */ 2283 void hideHotseat(boolean animated) { 2284 if (!LauncherApplication.isScreenLarge()) { 2285 if (animated) { 2286 int duration = mSearchDeleteBar.getTransitionOutDuration(); 2287 mHotseat.animate().alpha(0f).setDuration(duration); 2288 } else { 2289 mHotseat.setAlpha(0f); 2290 } 2291 } 2292 } 2293 2294 void showAllApps(boolean animated) { 2295 if (mState != State.WORKSPACE) return; 2296 2297 cameraZoomOut(State.APPS_CUSTOMIZE, animated, false); 2298 mAppsCustomizeTabHost.requestFocus(); 2299 2300 // Hide the search bar and hotseat 2301 mSearchDeleteBar.hideSearchBar(animated); 2302 2303 // Change the state *after* we've called all the transition code 2304 mState = State.APPS_CUSTOMIZE; 2305 2306 // Pause the auto-advance of widgets until we are out of AllApps 2307 mUserPresent = false; 2308 updateRunning(); 2309 closeFolder(); 2310 2311 // Send an accessibility event to announce the context change 2312 getWindow().getDecorView().sendAccessibilityEvent(AccessibilityEvent.TYPE_VIEW_SELECTED); 2313 } 2314 2315 /** 2316 * Things to test when changing this code. 2317 * - Home from workspace 2318 * - from center screen 2319 * - from other screens 2320 * - Home from all apps 2321 * - from center screen 2322 * - from other screens 2323 * - Back from all apps 2324 * - from center screen 2325 * - from other screens 2326 * - Launch app from workspace and quit 2327 * - with back 2328 * - with home 2329 * - Launch app from all apps and quit 2330 * - with back 2331 * - with home 2332 * - Go to a screen that's not the default, then all 2333 * apps, and launch and app, and go back 2334 * - with back 2335 * -with home 2336 * - On workspace, long press power and go back 2337 * - with back 2338 * - with home 2339 * - On all apps, long press power and go back 2340 * - with back 2341 * - with home 2342 * - On workspace, power off 2343 * - On all apps, power off 2344 * - Launch an app and turn off the screen while in that app 2345 * - Go back with home key 2346 * - Go back with back key TODO: make this not go to workspace 2347 * - From all apps 2348 * - From workspace 2349 * - Enter and exit car mode (becuase it causes an extra configuration changed) 2350 * - From all apps 2351 * - From the center workspace 2352 * - From another workspace 2353 */ 2354 void closeAllApps(boolean animated) { 2355 if (mState == State.APPS_CUSTOMIZE || mState == State.APPS_CUSTOMIZE_SPRING_LOADED) { 2356 mWorkspace.setVisibility(View.VISIBLE); 2357 cameraZoomIn(State.APPS_CUSTOMIZE, animated, false); 2358 2359 // Show the search bar and hotseat 2360 mSearchDeleteBar.showSearchBar(animated); 2361 2362 // Set focus to the AppsCustomize button 2363 if (mAllAppsButton != null) { 2364 mAllAppsButton.requestFocus(); 2365 } 2366 } 2367 } 2368 2369 void lockAllApps() { 2370 // TODO 2371 } 2372 2373 void unlockAllApps() { 2374 // TODO 2375 } 2376 2377 /** 2378 * Add an item from all apps or customize onto the given workspace screen. 2379 * If layout is null, add to the current screen. 2380 */ 2381 void addExternalItemToScreen(ItemInfo itemInfo, final CellLayout layout) { 2382 if (!mWorkspace.addExternalItemToScreen(itemInfo, layout)) { 2383 showOutOfSpaceMessage(); 2384 } else { 2385 layout.animateDrop(); 2386 } 2387 } 2388 2389 private Drawable getExternalPackageToolbarIcon(ComponentName activityName) { 2390 try { 2391 PackageManager packageManager = getPackageManager(); 2392 // Look for the toolbar icon specified in the activity meta-data 2393 Bundle metaData = packageManager.getActivityInfo( 2394 activityName, PackageManager.GET_META_DATA).metaData; 2395 if (metaData != null) { 2396 int iconResId = metaData.getInt(TOOLBAR_ICON_METADATA_NAME); 2397 if (iconResId != 0) { 2398 Resources res = packageManager.getResourcesForActivity(activityName); 2399 return res.getDrawable(iconResId); 2400 } 2401 } 2402 } catch (NameNotFoundException e) { 2403 // This can happen if the activity defines an invalid drawable 2404 Log.w(TAG, "Failed to load toolbar icon; " + activityName.flattenToShortString() + 2405 " not found", e); 2406 } catch (Resources.NotFoundException nfe) { 2407 // This can happen if the activity defines an invalid drawable 2408 Log.w(TAG, "Failed to load toolbar icon from " + activityName.flattenToShortString(), 2409 nfe); 2410 } 2411 return null; 2412 } 2413 2414 // if successful in getting icon, return it; otherwise, set button to use default drawable 2415 private Drawable.ConstantState updateTextButtonWithIconFromExternalActivity( 2416 int buttonId, ComponentName activityName, int fallbackDrawableId) { 2417 TextView button = (TextView) findViewById(buttonId); 2418 Drawable toolbarIcon = getExternalPackageToolbarIcon(activityName); 2419 2420 // If we were unable to find the icon via the meta-data, use a generic one 2421 if (toolbarIcon == null) { 2422 button.setCompoundDrawablesWithIntrinsicBounds(fallbackDrawableId, 0, 0, 0); 2423 return null; 2424 } else { 2425 button.setCompoundDrawablesWithIntrinsicBounds(toolbarIcon, null, null, null); 2426 return toolbarIcon.getConstantState(); 2427 } 2428 } 2429 2430 // if successful in getting icon, return it; otherwise, set button to use default drawable 2431 private Drawable.ConstantState updateButtonWithIconFromExternalActivity( 2432 int buttonId, ComponentName activityName, int fallbackDrawableId) { 2433 ImageView button = (ImageView) findViewById(buttonId); 2434 Drawable toolbarIcon = getExternalPackageToolbarIcon(activityName); 2435 2436 if (button != null) { 2437 // If we were unable to find the icon via the meta-data, use a 2438 // generic one 2439 if (toolbarIcon == null) { 2440 button.setImageResource(fallbackDrawableId); 2441 } else { 2442 button.setImageDrawable(toolbarIcon); 2443 } 2444 } 2445 2446 return toolbarIcon != null ? toolbarIcon.getConstantState() : null; 2447 2448 } 2449 2450 private void updateTextButtonWithDrawable(int buttonId, Drawable.ConstantState d) { 2451 TextView button = (TextView) findViewById(buttonId); 2452 button.setCompoundDrawables(d.newDrawable(getResources()), null, null, null); 2453 } 2454 2455 private void updateButtonWithDrawable(int buttonId, Drawable.ConstantState d) { 2456 ImageView button = (ImageView) findViewById(buttonId); 2457 button.setImageDrawable(d.newDrawable(getResources())); 2458 } 2459 2460 private void updateGlobalSearchIcon() { 2461 final ImageView searchButton = (ImageView) findViewById(R.id.search_button); 2462 final View searchDivider = findViewById(R.id.search_divider); 2463 2464 final SearchManager searchManager = 2465 (SearchManager) getSystemService(Context.SEARCH_SERVICE); 2466 ComponentName activityName = searchManager.getGlobalSearchActivity(); 2467 if (activityName != null) { 2468 sGlobalSearchIcon = updateButtonWithIconFromExternalActivity( 2469 R.id.search_button, activityName, R.drawable.ic_search_normal_holo); 2470 searchButton.setVisibility(View.VISIBLE); 2471 if (searchDivider != null) searchDivider.setVisibility(View.VISIBLE); 2472 } else { 2473 searchButton.setVisibility(View.GONE); 2474 if (searchDivider != null) searchDivider.setVisibility(View.GONE); 2475 } 2476 } 2477 2478 private void updateGlobalSearchIcon(Drawable.ConstantState d) { 2479 updateButtonWithDrawable(R.id.search_button, d); 2480 } 2481 2482 private void updateVoiceSearchIcon() { 2483 final View searchDivider = findViewById(R.id.search_divider); 2484 final View voiceButton = findViewById(R.id.voice_button); 2485 2486 Intent intent = new Intent(RecognizerIntent.ACTION_WEB_SEARCH); 2487 ComponentName activityName = intent.resolveActivity(getPackageManager()); 2488 if (activityName != null) { 2489 sVoiceSearchIcon = updateButtonWithIconFromExternalActivity( 2490 R.id.voice_button, activityName, R.drawable.ic_voice_search_holo); 2491 if (searchDivider != null) searchDivider.setVisibility(View.VISIBLE); 2492 voiceButton.setVisibility(View.VISIBLE); 2493 } else { 2494 if (searchDivider != null) searchDivider.setVisibility(View.GONE); 2495 voiceButton.setVisibility(View.GONE); 2496 } 2497 } 2498 2499 private void updateVoiceSearchIcon(Drawable.ConstantState d) { 2500 updateButtonWithDrawable(R.id.voice_button, d); 2501 } 2502 2503 /** 2504 * Sets the app market icon 2505 */ 2506 private void updateAppMarketIcon() { 2507 final View marketButton = findViewById(R.id.market_button); 2508 Intent intent = new Intent(Intent.ACTION_MAIN).addCategory(Intent.CATEGORY_APP_MARKET); 2509 // Find the app market activity by resolving an intent. 2510 // (If multiple app markets are installed, it will return the ResolverActivity.) 2511 ComponentName activityName = intent.resolveActivity(getPackageManager()); 2512 if (activityName != null) { 2513 mAppMarketIntent = intent; 2514 sAppMarketIcon = updateTextButtonWithIconFromExternalActivity( 2515 R.id.market_button, activityName, R.drawable.ic_launcher_market_holo); 2516 marketButton.setVisibility(View.VISIBLE); 2517 } else { 2518 // We should hide and disable the view so that we don't try and restore the visibility 2519 // of it when we swap between drag & normal states from IconDropTarget subclasses. 2520 marketButton.setVisibility(View.GONE); 2521 marketButton.setEnabled(false); 2522 } 2523 } 2524 2525 private void updateAppMarketIcon(Drawable.ConstantState d) { 2526 updateTextButtonWithDrawable(R.id.market_button, d); 2527 } 2528 2529 /** 2530 * Displays the shortcut creation dialog and launches, if necessary, the 2531 * appropriate activity. 2532 */ 2533 private class CreateShortcut implements DialogInterface.OnClickListener, 2534 DialogInterface.OnCancelListener, DialogInterface.OnDismissListener, 2535 DialogInterface.OnShowListener { 2536 2537 private AddAdapter mAdapter; 2538 2539 Dialog createDialog() { 2540 mAdapter = new AddAdapter(Launcher.this); 2541 2542 final AlertDialog.Builder builder = new AlertDialog.Builder(Launcher.this, 2543 AlertDialog.THEME_HOLO_DARK); 2544 builder.setAdapter(mAdapter, this); 2545 2546 AlertDialog dialog = builder.create(); 2547 dialog.setOnCancelListener(this); 2548 dialog.setOnDismissListener(this); 2549 dialog.setOnShowListener(this); 2550 2551 return dialog; 2552 } 2553 2554 public void onCancel(DialogInterface dialog) { 2555 mWaitingForResult = false; 2556 cleanup(); 2557 } 2558 2559 public void onDismiss(DialogInterface dialog) { 2560 mWaitingForResult = false; 2561 cleanup(); 2562 } 2563 2564 private void cleanup() { 2565 try { 2566 dismissDialog(DIALOG_CREATE_SHORTCUT); 2567 } catch (Exception e) { 2568 // An exception is thrown if the dialog is not visible, which is fine 2569 } 2570 } 2571 2572 /** 2573 * Handle the action clicked in the "Add to home" dialog. 2574 */ 2575 public void onClick(DialogInterface dialog, int which) { 2576 cleanup(); 2577 2578 AddAdapter.ListItem item = (AddAdapter.ListItem) mAdapter.getItem(which); 2579 switch (item.actionTag) { 2580 case AddAdapter.ITEM_APPLICATION: { 2581 if (mAppsCustomizeTabHost != null) { 2582 mAppsCustomizeTabHost.selectAppsTab(); 2583 } 2584 showAllApps(true); 2585 break; 2586 } 2587 case AddAdapter.ITEM_APPWIDGET: { 2588 if (mAppsCustomizeTabHost != null) { 2589 mAppsCustomizeTabHost.selectWidgetsTab(); 2590 } 2591 showAllApps(true); 2592 break; 2593 } 2594 case AddAdapter.ITEM_WALLPAPER: { 2595 startWallpaper(); 2596 break; 2597 } 2598 } 2599 } 2600 2601 public void onShow(DialogInterface dialog) { 2602 mWaitingForResult = true; 2603 } 2604 } 2605 2606 /** 2607 * Receives notifications when system dialogs are to be closed. 2608 */ 2609 private class CloseSystemDialogsIntentReceiver extends BroadcastReceiver { 2610 @Override 2611 public void onReceive(Context context, Intent intent) { 2612 closeSystemDialogs(); 2613 } 2614 } 2615 2616 /** 2617 * Receives notifications whenever the appwidgets are reset. 2618 */ 2619 private class AppWidgetResetObserver extends ContentObserver { 2620 public AppWidgetResetObserver() { 2621 super(new Handler()); 2622 } 2623 2624 @Override 2625 public void onChange(boolean selfChange) { 2626 onAppWidgetReset(); 2627 } 2628 } 2629 2630 /** 2631 * If the activity is currently paused, signal that we need to re-run the loader 2632 * in onResume. 2633 * 2634 * This needs to be called from incoming places where resources might have been loaded 2635 * while we are paused. That is becaues the Configuration might be wrong 2636 * when we're not running, and if it comes back to what it was when we 2637 * were paused, we are not restarted. 2638 * 2639 * Implementation of the method from LauncherModel.Callbacks. 2640 * 2641 * @return true if we are currently paused. The caller might be able to 2642 * skip some work in that case since we will come back again. 2643 */ 2644 public boolean setLoadOnResume() { 2645 if (mPaused) { 2646 Log.i(TAG, "setLoadOnResume"); 2647 mOnResumeNeedsLoad = true; 2648 return true; 2649 } else { 2650 return false; 2651 } 2652 } 2653 2654 /** 2655 * Implementation of the method from LauncherModel.Callbacks. 2656 */ 2657 public int getCurrentWorkspaceScreen() { 2658 if (mWorkspace != null) { 2659 return mWorkspace.getCurrentPage(); 2660 } else { 2661 return SCREEN_COUNT / 2; 2662 } 2663 } 2664 2665 2666 /** 2667 * Refreshes the shortcuts shown on the workspace. 2668 * 2669 * Implementation of the method from LauncherModel.Callbacks. 2670 */ 2671 public void startBinding() { 2672 final Workspace workspace = mWorkspace; 2673 2674 mWorkspace.clearDropTargets(); 2675 int count = workspace.getChildCount(); 2676 for (int i = 0; i < count; i++) { 2677 // Use removeAllViewsInLayout() to avoid an extra requestLayout() and invalidate(). 2678 final CellLayout layoutParent = (CellLayout) workspace.getChildAt(i); 2679 layoutParent.removeAllViewsInLayout(); 2680 } 2681 if (mHotseat != null) { 2682 mHotseat.resetLayout(); 2683 } 2684 2685 // This wasn't being called before which resulted in a leak of AppWidgetHostViews 2686 unbindWorkspaceAndHotseatItems(); 2687 } 2688 2689 /** 2690 * Bind the items start-end from the list. 2691 * 2692 * Implementation of the method from LauncherModel.Callbacks. 2693 */ 2694 public void bindItems(ArrayList<ItemInfo> shortcuts, int start, int end) { 2695 setLoadOnResume(); 2696 2697 final Workspace workspace = mWorkspace; 2698 for (int i=start; i<end; i++) { 2699 final ItemInfo item = shortcuts.get(i); 2700 2701 // Short circuit if we are loading dock items for a configuration which has no dock 2702 if (item.container == LauncherSettings.Favorites.CONTAINER_HOTSEAT && 2703 mHotseat == null) { 2704 continue; 2705 } 2706 2707 switch (item.itemType) { 2708 case LauncherSettings.Favorites.ITEM_TYPE_APPLICATION: 2709 case LauncherSettings.Favorites.ITEM_TYPE_SHORTCUT: 2710 View shortcut = createShortcut((ShortcutInfo)item); 2711 workspace.addInScreen(shortcut, item.container, item.screen, item.cellX, 2712 item.cellY, 1, 1, false); 2713 break; 2714 case LauncherSettings.Favorites.ITEM_TYPE_FOLDER: 2715 FolderIcon newFolder = FolderIcon.fromXml(R.layout.folder_icon, this, 2716 (ViewGroup) workspace.getChildAt(workspace.getCurrentPage()), 2717 (FolderInfo) item, mIconCache); 2718 workspace.addInScreen(newFolder, item.container, item.screen, item.cellX, 2719 item.cellY, 1, 1, false); 2720 break; 2721 } 2722 } 2723 workspace.requestLayout(); 2724 } 2725 2726 /** 2727 * Implementation of the method from LauncherModel.Callbacks. 2728 */ 2729 public void bindFolders(HashMap<Long, FolderInfo> folders) { 2730 setLoadOnResume(); 2731 sFolders.clear(); 2732 sFolders.putAll(folders); 2733 } 2734 2735 /** 2736 * Add the views for a widget to the workspace. 2737 * 2738 * Implementation of the method from LauncherModel.Callbacks. 2739 */ 2740 public void bindAppWidget(LauncherAppWidgetInfo item) { 2741 setLoadOnResume(); 2742 2743 final long start = DEBUG_WIDGETS ? SystemClock.uptimeMillis() : 0; 2744 if (DEBUG_WIDGETS) { 2745 Log.d(TAG, "bindAppWidget: " + item); 2746 } 2747 final Workspace workspace = mWorkspace; 2748 2749 final int appWidgetId = item.appWidgetId; 2750 final AppWidgetProviderInfo appWidgetInfo = mAppWidgetManager.getAppWidgetInfo(appWidgetId); 2751 if (DEBUG_WIDGETS) { 2752 Log.d(TAG, "bindAppWidget: id=" + item.appWidgetId + " belongs to component " + appWidgetInfo.provider); 2753 } 2754 2755 item.hostView = mAppWidgetHost.createView(this, appWidgetId, appWidgetInfo); 2756 2757 item.hostView.setAppWidget(appWidgetId, appWidgetInfo); 2758 item.hostView.setTag(item); 2759 2760 workspace.addInScreen(item.hostView, item.container, item.screen, item.cellX, 2761 item.cellY, item.spanX, item.spanY, false); 2762 2763 addWidgetToAutoAdvanceIfNeeded(item.hostView, appWidgetInfo); 2764 2765 workspace.requestLayout(); 2766 2767 if (DEBUG_WIDGETS) { 2768 Log.d(TAG, "bound widget id="+item.appWidgetId+" in " 2769 + (SystemClock.uptimeMillis()-start) + "ms"); 2770 } 2771 } 2772 2773 /** 2774 * Callback saying that there aren't any more items to bind. 2775 * 2776 * Implementation of the method from LauncherModel.Callbacks. 2777 */ 2778 public void finishBindingItems() { 2779 setLoadOnResume(); 2780 2781 if (mSavedState != null) { 2782 if (!mWorkspace.hasFocus()) { 2783 mWorkspace.getChildAt(mWorkspace.getCurrentPage()).requestFocus(); 2784 } 2785 mSavedState = null; 2786 } 2787 2788 if (mSavedInstanceState != null) { 2789 super.onRestoreInstanceState(mSavedInstanceState); 2790 mSavedInstanceState = null; 2791 } 2792 2793 mWorkspaceLoading = false; 2794 2795 // If we received the result of any pending adds while the loader was running (e.g. the 2796 // widget configuration forced an orientation change), process them now. 2797 for (int i = 0; i < sPendingAddList.size(); i++) { 2798 completeAdd(sPendingAddList.get(i)); 2799 } 2800 sPendingAddList.clear(); 2801 } 2802 2803 /** 2804 * Updates the icons on the launcher that are affected by changes to the package list 2805 * on the device. 2806 */ 2807 private void updateIconsAffectedByPackageManagerChanges() { 2808 updateAppMarketIcon(); 2809 updateVoiceSearchIcon(); 2810 } 2811 2812 @Override 2813 public void bindSearchablesChanged() { 2814 updateGlobalSearchIcon(); 2815 } 2816 2817 /** 2818 * Add the icons for all apps. 2819 * 2820 * Implementation of the method from LauncherModel.Callbacks. 2821 */ 2822 public void bindAllApplications(final ArrayList<ApplicationInfo> apps) { 2823 // Remove the progress bar entirely; we could also make it GONE 2824 // but better to remove it since we know it's not going to be used 2825 View progressBar = mAppsCustomizeTabHost. 2826 findViewById(R.id.apps_customize_progress_bar); 2827 if (progressBar != null) { 2828 ((ViewGroup)progressBar.getParent()).removeView(progressBar); 2829 } 2830 // We just post the call to setApps so the user sees the progress bar 2831 // disappear-- otherwise, it just looks like the progress bar froze 2832 // which doesn't look great 2833 mAppsCustomizeTabHost.post(new Runnable() { 2834 public void run() { 2835 if (mAppsCustomizeContent != null) { 2836 mAppsCustomizeContent.setApps(apps); 2837 } 2838 } 2839 }); 2840 2841 updateIconsAffectedByPackageManagerChanges(); 2842 updateGlobalSearchIcon(); 2843 } 2844 2845 /** 2846 * A package was installed. 2847 * 2848 * Implementation of the method from LauncherModel.Callbacks. 2849 */ 2850 public void bindAppsAdded(ArrayList<ApplicationInfo> apps) { 2851 setLoadOnResume(); 2852 removeDialog(DIALOG_CREATE_SHORTCUT); 2853 2854 if (mAppsCustomizeContent != null) { 2855 mAppsCustomizeContent.addApps(apps); 2856 } 2857 updateIconsAffectedByPackageManagerChanges(); 2858 } 2859 2860 /** 2861 * A package was updated. 2862 * 2863 * Implementation of the method from LauncherModel.Callbacks. 2864 */ 2865 public void bindAppsUpdated(ArrayList<ApplicationInfo> apps) { 2866 setLoadOnResume(); 2867 removeDialog(DIALOG_CREATE_SHORTCUT); 2868 if (mWorkspace != null) { 2869 mWorkspace.updateShortcuts(apps); 2870 } 2871 2872 if (mAppsCustomizeContent != null) { 2873 mAppsCustomizeContent.updateApps(apps); 2874 } 2875 updateIconsAffectedByPackageManagerChanges(); 2876 } 2877 2878 /** 2879 * A package was uninstalled. 2880 * 2881 * Implementation of the method from LauncherModel.Callbacks. 2882 */ 2883 public void bindAppsRemoved(ArrayList<ApplicationInfo> apps, boolean permanent) { 2884 removeDialog(DIALOG_CREATE_SHORTCUT); 2885 if (permanent) { 2886 mWorkspace.removeItems(apps); 2887 } 2888 2889 if (mAppsCustomizeContent != null) { 2890 mAppsCustomizeContent.removeApps(apps); 2891 } 2892 updateIconsAffectedByPackageManagerChanges(); 2893 } 2894 2895 /** 2896 * A number of packages were updated. 2897 */ 2898 public void bindPackagesUpdated() { 2899 2900 if (mAppsCustomizeContent != null) { 2901 mAppsCustomizeContent.onPackagesUpdated(); 2902 } 2903 } 2904 2905 private int mapConfigurationOriActivityInfoOri(int configOri) { 2906 final Display d = getWindowManager().getDefaultDisplay(); 2907 int naturalOri = Configuration.ORIENTATION_LANDSCAPE; 2908 switch (d.getRotation()) { 2909 case Surface.ROTATION_0: 2910 case Surface.ROTATION_180: 2911 // We are currently in the same basic orientation as the natural orientation 2912 naturalOri = configOri; 2913 break; 2914 case Surface.ROTATION_90: 2915 case Surface.ROTATION_270: 2916 // We are currently in the other basic orientation to the natural orientation 2917 naturalOri = (configOri == Configuration.ORIENTATION_LANDSCAPE) ? 2918 Configuration.ORIENTATION_PORTRAIT : Configuration.ORIENTATION_LANDSCAPE; 2919 break; 2920 } 2921 2922 int[] oriMap = { 2923 ActivityInfo.SCREEN_ORIENTATION_PORTRAIT, 2924 ActivityInfo.SCREEN_ORIENTATION_LANDSCAPE, 2925 ActivityInfo.SCREEN_ORIENTATION_REVERSE_PORTRAIT, 2926 ActivityInfo.SCREEN_ORIENTATION_REVERSE_LANDSCAPE 2927 }; 2928 // Since the map starts at portrait, we need to offset if this device's natural orientation 2929 // is landscape. 2930 int indexOffset = 0; 2931 if (naturalOri == Configuration.ORIENTATION_LANDSCAPE) { 2932 indexOffset = 1; 2933 } 2934 return oriMap[(d.getRotation() + indexOffset) % 4]; 2935 } 2936 public void lockScreenOrientation() { 2937 setRequestedOrientation(mapConfigurationOriActivityInfoOri(getResources() 2938 .getConfiguration().orientation)); 2939 } 2940 public void unlockScreenOrientation() { 2941 mHandler.postDelayed(new Runnable() { 2942 public void run() { 2943 setRequestedOrientation(ActivityInfo.SCREEN_ORIENTATION_UNSPECIFIED); 2944 } 2945 }, mRestoreScreenOrientationDelay); 2946 } 2947 2948 /** 2949 * Prints out out state for debugging. 2950 */ 2951 public void dumpState() { 2952 Log.d(TAG, "BEGIN launcher2 dump state for launcher " + this); 2953 Log.d(TAG, "mSavedState=" + mSavedState); 2954 Log.d(TAG, "mWorkspaceLoading=" + mWorkspaceLoading); 2955 Log.d(TAG, "mRestoring=" + mRestoring); 2956 Log.d(TAG, "mWaitingForResult=" + mWaitingForResult); 2957 Log.d(TAG, "mSavedInstanceState=" + mSavedInstanceState); 2958 Log.d(TAG, "sFolders.size=" + sFolders.size()); 2959 mModel.dumpState(); 2960 2961 if (mAppsCustomizeContent != null) { 2962 mAppsCustomizeContent.dumpState(); 2963 } 2964 Log.d(TAG, "END launcher2 dump state"); 2965 } 2966} 2967 2968interface LauncherTransitionable { 2969 void onLauncherTransitionStart(Animator animation, boolean toWorkspace); 2970 void onLauncherTransitionEnd(Animator animation, boolean toWorkspace); 2971} 2972