Launcher.java revision b2a275ecd2a5c02f2c4b51f5142e0d253746e534
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.animation.ValueAnimator.AnimatorUpdateListener; 27import android.app.Activity; 28import android.app.ActivityManager; 29import android.app.ActivityOptions; 30import android.app.SearchManager; 31import android.appwidget.AppWidgetHostView; 32import android.appwidget.AppWidgetManager; 33import android.appwidget.AppWidgetProviderInfo; 34import android.content.ActivityNotFoundException; 35import android.content.BroadcastReceiver; 36import android.content.ComponentCallbacks2; 37import android.content.ComponentName; 38import android.content.ContentResolver; 39import android.content.Context; 40import android.content.Intent; 41import android.content.IntentFilter; 42import android.content.SharedPreferences; 43import android.content.pm.ActivityInfo; 44import android.content.pm.PackageManager; 45import android.content.pm.PackageManager.NameNotFoundException; 46import android.content.res.Configuration; 47import android.content.res.Resources; 48import android.database.ContentObserver; 49import android.graphics.Rect; 50import android.graphics.drawable.Drawable; 51import android.net.Uri; 52import android.os.AsyncTask; 53import android.os.Bundle; 54import android.os.Environment; 55import android.os.Handler; 56import android.os.Message; 57import android.os.StrictMode; 58import android.os.SystemClock; 59import android.os.SystemProperties; 60import android.provider.Settings; 61import android.speech.RecognizerIntent; 62import android.text.Selection; 63import android.text.SpannableStringBuilder; 64import android.text.method.TextKeyListener; 65import android.util.Log; 66import android.view.Display; 67import android.view.HapticFeedbackConstants; 68import android.view.KeyEvent; 69import android.view.LayoutInflater; 70import android.view.Menu; 71import android.view.MenuItem; 72import android.view.MotionEvent; 73import android.view.Surface; 74import android.view.View; 75import android.view.View.OnLongClickListener; 76import android.view.ViewGroup; 77import android.view.ViewTreeObserver; 78import android.view.ViewTreeObserver.OnGlobalLayoutListener; 79import android.view.WindowManager; 80import android.view.accessibility.AccessibilityEvent; 81import android.view.animation.AccelerateDecelerateInterpolator; 82import android.view.animation.AccelerateInterpolator; 83import android.view.animation.DecelerateInterpolator; 84import android.view.inputmethod.InputMethodManager; 85import android.widget.Advanceable; 86import android.widget.ImageView; 87import android.widget.TextView; 88import android.widget.Toast; 89 90import com.android.common.Search; 91import com.android.launcher.R; 92import com.android.launcher2.DropTarget.DragObject; 93 94import java.io.DataInputStream; 95import java.io.DataOutputStream; 96import java.io.FileDescriptor; 97import java.io.FileNotFoundException; 98import java.io.IOException; 99import java.io.PrintWriter; 100import java.util.ArrayList; 101import java.util.Collection; 102import java.util.Collections; 103import java.util.Comparator; 104import java.util.HashMap; 105import java.util.HashSet; 106import java.util.List; 107import java.util.Set; 108 109/** 110 * Default launcher application. 111 */ 112public final class Launcher extends Activity 113 implements View.OnClickListener, OnLongClickListener, LauncherModel.Callbacks, 114 AllAppsView.Watcher, View.OnTouchListener { 115 static final String TAG = "Launcher"; 116 static final boolean LOGD = false; 117 118 static final boolean PROFILE_STARTUP = false; 119 static final boolean DEBUG_WIDGETS = false; 120 static final boolean DEBUG_STRICT_MODE = false; 121 122 private static final int MENU_GROUP_WALLPAPER = 1; 123 private static final int MENU_WALLPAPER_SETTINGS = Menu.FIRST + 1; 124 private static final int MENU_MANAGE_APPS = MENU_WALLPAPER_SETTINGS + 1; 125 private static final int MENU_SYSTEM_SETTINGS = MENU_MANAGE_APPS + 1; 126 private static final int MENU_HELP = MENU_SYSTEM_SETTINGS + 1; 127 128 private static final int REQUEST_CREATE_SHORTCUT = 1; 129 private static final int REQUEST_CREATE_APPWIDGET = 5; 130 private static final int REQUEST_PICK_APPLICATION = 6; 131 private static final int REQUEST_PICK_SHORTCUT = 7; 132 private static final int REQUEST_PICK_APPWIDGET = 9; 133 private static final int REQUEST_PICK_WALLPAPER = 10; 134 135 private static final int REQUEST_BIND_APPWIDGET = 11; 136 137 static final String EXTRA_SHORTCUT_DUPLICATE = "duplicate"; 138 139 static final int SCREEN_COUNT = 5; 140 static final int DEFAULT_SCREEN = 2; 141 142 private static final String PREFERENCES = "launcher.preferences"; 143 static final String FORCE_ENABLE_ROTATION_PROPERTY = "launcher.force_enable_rotation"; 144 145 // The Intent extra that defines whether to ignore the launch animation 146 static final String INTENT_EXTRA_IGNORE_LAUNCH_ANIMATION = 147 "com.android.launcher.intent.extra.shortcut.INGORE_LAUNCH_ANIMATION"; 148 149 // Type: int 150 private static final String RUNTIME_STATE_CURRENT_SCREEN = "launcher.current_screen"; 151 // Type: int 152 private static final String RUNTIME_STATE = "launcher.state"; 153 // Type: int 154 private static final String RUNTIME_STATE_PENDING_ADD_CONTAINER = "launcher.add_container"; 155 // Type: int 156 private static final String RUNTIME_STATE_PENDING_ADD_SCREEN = "launcher.add_screen"; 157 // Type: int 158 private static final String RUNTIME_STATE_PENDING_ADD_CELL_X = "launcher.add_cell_x"; 159 // Type: int 160 private static final String RUNTIME_STATE_PENDING_ADD_CELL_Y = "launcher.add_cell_y"; 161 // Type: boolean 162 private static final String RUNTIME_STATE_PENDING_FOLDER_RENAME = "launcher.rename_folder"; 163 // Type: long 164 private static final String RUNTIME_STATE_PENDING_FOLDER_RENAME_ID = "launcher.rename_folder_id"; 165 166 private static final String TOOLBAR_ICON_METADATA_NAME = "com.android.launcher.toolbar_icon"; 167 private static final String TOOLBAR_SEARCH_ICON_METADATA_NAME = 168 "com.android.launcher.toolbar_search_icon"; 169 private static final String TOOLBAR_VOICE_SEARCH_ICON_METADATA_NAME = 170 "com.android.launcher.toolbar_voice_search_icon"; 171 172 /** The different states that Launcher can be in. */ 173 private enum State { WORKSPACE, APPS_CUSTOMIZE, APPS_CUSTOMIZE_SPRING_LOADED }; 174 private State mState = State.WORKSPACE; 175 private AnimatorSet mStateAnimation; 176 private AnimatorSet mDividerAnimator; 177 178 static final int APPWIDGET_HOST_ID = 1024; 179 private static final int EXIT_SPRINGLOADED_MODE_SHORT_TIMEOUT = 300; 180 private static final int EXIT_SPRINGLOADED_MODE_LONG_TIMEOUT = 600; 181 private static final int SHOW_CLING_DURATION = 550; 182 private static final int DISMISS_CLING_DURATION = 250; 183 184 private static final Object sLock = new Object(); 185 private static int sScreen = DEFAULT_SCREEN; 186 187 // How long to wait before the new-shortcut animation automatically pans the workspace 188 private static int NEW_APPS_ANIMATION_INACTIVE_TIMEOUT_SECONDS = 10; 189 190 private final BroadcastReceiver mCloseSystemDialogsReceiver 191 = new CloseSystemDialogsIntentReceiver(); 192 private final ContentObserver mWidgetObserver = new AppWidgetResetObserver(); 193 194 private LayoutInflater mInflater; 195 196 private Workspace mWorkspace; 197 private View mQsbDivider; 198 private View mDockDivider; 199 private DragLayer mDragLayer; 200 private DragController mDragController; 201 202 private AppWidgetManager mAppWidgetManager; 203 private LauncherAppWidgetHost mAppWidgetHost; 204 205 private ItemInfo mPendingAddInfo = new ItemInfo(); 206 private int[] mTmpAddItemCellCoordinates = new int[2]; 207 208 private FolderInfo mFolderInfo; 209 210 private Hotseat mHotseat; 211 private View mAllAppsButton; 212 213 private SearchDropTargetBar mSearchDropTargetBar; 214 private AppsCustomizeTabHost mAppsCustomizeTabHost; 215 private AppsCustomizePagedView mAppsCustomizeContent; 216 private boolean mAutoAdvanceRunning = false; 217 218 private Bundle mSavedState; 219 220 private SpannableStringBuilder mDefaultKeySsb = null; 221 222 private boolean mWorkspaceLoading = true; 223 224 private boolean mPaused = true; 225 private boolean mRestoring; 226 private boolean mWaitingForResult; 227 private boolean mOnResumeNeedsLoad; 228 229 private Bundle mSavedInstanceState; 230 231 private LauncherModel mModel; 232 private IconCache mIconCache; 233 private boolean mUserPresent = true; 234 private boolean mVisible = false; 235 private boolean mAttached = false; 236 237 private static LocaleConfiguration sLocaleConfiguration = null; 238 239 private static HashMap<Long, FolderInfo> sFolders = new HashMap<Long, FolderInfo>(); 240 241 private Intent mAppMarketIntent = null; 242 243 // Related to the auto-advancing of widgets 244 private final int ADVANCE_MSG = 1; 245 private final int mAdvanceInterval = 20000; 246 private final int mAdvanceStagger = 250; 247 private long mAutoAdvanceSentTime; 248 private long mAutoAdvanceTimeLeft = -1; 249 private HashMap<View, AppWidgetProviderInfo> mWidgetsToAdvance = 250 new HashMap<View, AppWidgetProviderInfo>(); 251 252 // Determines how long to wait after a rotation before restoring the screen orientation to 253 // match the sensor state. 254 private final int mRestoreScreenOrientationDelay = 500; 255 256 // External icons saved in case of resource changes, orientation, etc. 257 private static Drawable.ConstantState[] sGlobalSearchIcon = new Drawable.ConstantState[2]; 258 private static Drawable.ConstantState[] sVoiceSearchIcon = new Drawable.ConstantState[2]; 259 private static Drawable.ConstantState[] sAppMarketIcon = new Drawable.ConstantState[2]; 260 261 static final ArrayList<String> sDumpLogs = new ArrayList<String>(); 262 PendingAddWidgetInfo mWidgetBeingBoundOrConfigured = null; 263 264 // We only want to get the SharedPreferences once since it does an FS stat each time we get 265 // it from the context. 266 private SharedPreferences mSharedPrefs; 267 268 // Holds the page that we need to animate to, and the icon views that we need to animate up 269 // when we scroll to that page on resume. 270 private int mNewShortcutAnimatePage = -1; 271 private ArrayList<View> mNewShortcutAnimateViews = new ArrayList<View>(); 272 273 private BubbleTextView mWaitingForResume; 274 275 private Runnable mBuildLayersRunnable = new Runnable() { 276 public void run() { 277 if (mWorkspace != null) { 278 mWorkspace.buildPageHardwareLayers(); 279 } 280 } 281 }; 282 283 private static ArrayList<PendingAddArguments> sPendingAddList 284 = new ArrayList<PendingAddArguments>(); 285 286 private static class PendingAddArguments { 287 int requestCode; 288 Intent intent; 289 long container; 290 int screen; 291 int cellX; 292 int cellY; 293 } 294 295 @Override 296 protected void onCreate(Bundle savedInstanceState) { 297 if (DEBUG_STRICT_MODE) { 298 StrictMode.setThreadPolicy(new StrictMode.ThreadPolicy.Builder() 299 .detectDiskReads() 300 .detectDiskWrites() 301 .detectNetwork() // or .detectAll() for all detectable problems 302 .penaltyLog() 303 .build()); 304 StrictMode.setVmPolicy(new StrictMode.VmPolicy.Builder() 305 .detectLeakedSqlLiteObjects() 306 .detectLeakedClosableObjects() 307 .penaltyLog() 308 .penaltyDeath() 309 .build()); 310 } 311 312 super.onCreate(savedInstanceState); 313 LauncherApplication app = ((LauncherApplication)getApplication()); 314 mSharedPrefs = getSharedPreferences(LauncherApplication.getSharedPreferencesKey(), 315 Context.MODE_PRIVATE); 316 mModel = app.setLauncher(this); 317 mIconCache = app.getIconCache(); 318 mDragController = new DragController(this); 319 mInflater = getLayoutInflater(); 320 321 mAppWidgetManager = AppWidgetManager.getInstance(this); 322 mAppWidgetHost = new LauncherAppWidgetHost(this, APPWIDGET_HOST_ID); 323 mAppWidgetHost.startListening(); 324 325 if (PROFILE_STARTUP) { 326 android.os.Debug.startMethodTracing( 327 Environment.getExternalStorageDirectory() + "/launcher"); 328 } 329 330 checkForLocaleChange(); 331 setContentView(R.layout.launcher); 332 setupViews(); 333 showFirstRunWorkspaceCling(); 334 335 registerContentObservers(); 336 337 lockAllApps(); 338 339 mSavedState = savedInstanceState; 340 restoreState(mSavedState); 341 342 // Update customization drawer _after_ restoring the states 343 if (mAppsCustomizeContent != null) { 344 mAppsCustomizeContent.onPackagesUpdated(); 345 } 346 347 if (PROFILE_STARTUP) { 348 android.os.Debug.stopMethodTracing(); 349 } 350 351 if (!mRestoring) { 352 mModel.startLoader(true); 353 } 354 355 if (!mModel.isAllAppsLoaded()) { 356 ViewGroup appsCustomizeContentParent = (ViewGroup) mAppsCustomizeContent.getParent(); 357 mInflater.inflate(R.layout.apps_customize_progressbar, appsCustomizeContentParent); 358 } 359 360 // For handling default keys 361 mDefaultKeySsb = new SpannableStringBuilder(); 362 Selection.setSelection(mDefaultKeySsb, 0); 363 364 IntentFilter filter = new IntentFilter(Intent.ACTION_CLOSE_SYSTEM_DIALOGS); 365 registerReceiver(mCloseSystemDialogsReceiver, filter); 366 367 boolean searchVisible = false; 368 boolean voiceVisible = false; 369 // If we have a saved version of these external icons, we load them up immediately 370 int coi = getCurrentOrientationIndexForGlobalIcons(); 371 if (sGlobalSearchIcon[coi] == null || sVoiceSearchIcon[coi] == null || 372 sAppMarketIcon[coi] == null) { 373 updateAppMarketIcon(); 374 searchVisible = updateGlobalSearchIcon(); 375 voiceVisible = updateVoiceSearchIcon(searchVisible); 376 } 377 if (sGlobalSearchIcon[coi] != null) { 378 updateGlobalSearchIcon(sGlobalSearchIcon[coi]); 379 searchVisible = true; 380 } 381 if (sVoiceSearchIcon[coi] != null) { 382 updateVoiceSearchIcon(sVoiceSearchIcon[coi]); 383 voiceVisible = true; 384 } 385 if (sAppMarketIcon[coi] != null) { 386 updateAppMarketIcon(sAppMarketIcon[coi]); 387 } 388 mSearchDropTargetBar.onSearchPackagesChanged(searchVisible, voiceVisible); 389 390 // On large interfaces, we want the screen to auto-rotate based on the current orientation 391 unlockScreenOrientation(true); 392 } 393 394 private void checkForLocaleChange() { 395 if (sLocaleConfiguration == null) { 396 new AsyncTask<Void, Void, LocaleConfiguration>() { 397 @Override 398 protected LocaleConfiguration doInBackground(Void... unused) { 399 LocaleConfiguration localeConfiguration = new LocaleConfiguration(); 400 readConfiguration(Launcher.this, localeConfiguration); 401 return localeConfiguration; 402 } 403 404 @Override 405 protected void onPostExecute(LocaleConfiguration result) { 406 sLocaleConfiguration = result; 407 checkForLocaleChange(); // recursive, but now with a locale configuration 408 } 409 }.execute(); 410 return; 411 } 412 413 final Configuration configuration = getResources().getConfiguration(); 414 415 final String previousLocale = sLocaleConfiguration.locale; 416 final String locale = configuration.locale.toString(); 417 418 final int previousMcc = sLocaleConfiguration.mcc; 419 final int mcc = configuration.mcc; 420 421 final int previousMnc = sLocaleConfiguration.mnc; 422 final int mnc = configuration.mnc; 423 424 boolean localeChanged = !locale.equals(previousLocale) || mcc != previousMcc || mnc != previousMnc; 425 426 if (localeChanged) { 427 sLocaleConfiguration.locale = locale; 428 sLocaleConfiguration.mcc = mcc; 429 sLocaleConfiguration.mnc = mnc; 430 431 mIconCache.flush(); 432 433 final LocaleConfiguration localeConfiguration = sLocaleConfiguration; 434 new Thread("WriteLocaleConfiguration") { 435 @Override 436 public void run() { 437 writeConfiguration(Launcher.this, localeConfiguration); 438 } 439 }.start(); 440 } 441 } 442 443 private static class LocaleConfiguration { 444 public String locale; 445 public int mcc = -1; 446 public int mnc = -1; 447 } 448 449 private static void readConfiguration(Context context, LocaleConfiguration configuration) { 450 DataInputStream in = null; 451 try { 452 in = new DataInputStream(context.openFileInput(PREFERENCES)); 453 configuration.locale = in.readUTF(); 454 configuration.mcc = in.readInt(); 455 configuration.mnc = in.readInt(); 456 } catch (FileNotFoundException e) { 457 // Ignore 458 } catch (IOException e) { 459 // Ignore 460 } finally { 461 if (in != null) { 462 try { 463 in.close(); 464 } catch (IOException e) { 465 // Ignore 466 } 467 } 468 } 469 } 470 471 private static void writeConfiguration(Context context, LocaleConfiguration configuration) { 472 DataOutputStream out = null; 473 try { 474 out = new DataOutputStream(context.openFileOutput(PREFERENCES, MODE_PRIVATE)); 475 out.writeUTF(configuration.locale); 476 out.writeInt(configuration.mcc); 477 out.writeInt(configuration.mnc); 478 out.flush(); 479 } catch (FileNotFoundException e) { 480 // Ignore 481 } catch (IOException e) { 482 //noinspection ResultOfMethodCallIgnored 483 context.getFileStreamPath(PREFERENCES).delete(); 484 } finally { 485 if (out != null) { 486 try { 487 out.close(); 488 } catch (IOException e) { 489 // Ignore 490 } 491 } 492 } 493 } 494 495 public DragLayer getDragLayer() { 496 return mDragLayer; 497 } 498 499 static int getScreen() { 500 synchronized (sLock) { 501 return sScreen; 502 } 503 } 504 505 static void setScreen(int screen) { 506 synchronized (sLock) { 507 sScreen = screen; 508 } 509 } 510 511 /** 512 * Returns whether we should delay spring loaded mode -- for shortcuts and widgets that have 513 * a configuration step, this allows the proper animations to run after other transitions. 514 */ 515 private boolean completeAdd(PendingAddArguments args) { 516 boolean result = false; 517 switch (args.requestCode) { 518 case REQUEST_PICK_APPLICATION: 519 completeAddApplication(args.intent, args.container, args.screen, args.cellX, 520 args.cellY); 521 break; 522 case REQUEST_PICK_SHORTCUT: 523 processShortcut(args.intent); 524 break; 525 case REQUEST_CREATE_SHORTCUT: 526 completeAddShortcut(args.intent, args.container, args.screen, args.cellX, 527 args.cellY); 528 result = true; 529 break; 530 case REQUEST_PICK_APPWIDGET: 531 addAppWidgetFromPick(args.intent); 532 break; 533 case REQUEST_CREATE_APPWIDGET: 534 int appWidgetId = args.intent.getIntExtra(AppWidgetManager.EXTRA_APPWIDGET_ID, -1); 535 completeAddAppWidget(appWidgetId, args.container, args.screen, null, null); 536 result = true; 537 break; 538 case REQUEST_PICK_WALLPAPER: 539 // We just wanted the activity result here so we can clear mWaitingForResult 540 break; 541 } 542 // Before adding this resetAddInfo(), after a shortcut was added to a workspace screen, 543 // if you turned the screen off and then back while in All Apps, Launcher would not 544 // return to the workspace. Clearing mAddInfo.container here fixes this issue 545 resetAddInfo(); 546 return result; 547 } 548 549 @Override 550 protected void onActivityResult( 551 final int requestCode, final int resultCode, final Intent data) { 552 if (requestCode == REQUEST_BIND_APPWIDGET) { 553 int appWidgetId = data != null ? 554 data.getIntExtra(AppWidgetManager.EXTRA_APPWIDGET_ID, -1) : -1; 555 if (resultCode == RESULT_CANCELED) { 556 completeTwoStageWidgetDrop(RESULT_CANCELED, appWidgetId); 557 } else if (resultCode == RESULT_OK) { 558 addAppWidgetImpl(appWidgetId, mWidgetBeingBoundOrConfigured); 559 } 560 return; 561 } 562 boolean delayExitSpringLoadedMode = false; 563 boolean isWidgetDrop = (requestCode == REQUEST_PICK_APPWIDGET || 564 requestCode == REQUEST_CREATE_APPWIDGET); 565 mWaitingForResult = false; 566 567 // We have special handling for widgets 568 if (isWidgetDrop) { 569 int appWidgetId = data != null ? 570 data.getIntExtra(AppWidgetManager.EXTRA_APPWIDGET_ID, -1) : -1; 571 if (appWidgetId < 0) { 572 Log.e(TAG, "Error: appWidgetId (EXTRA_APPWIDGET_ID) was not returned from the \\" + 573 "widget configuration activity."); 574 completeTwoStageWidgetDrop(RESULT_CANCELED, appWidgetId); 575 } else { 576 completeTwoStageWidgetDrop(resultCode, appWidgetId); 577 } 578 return; 579 } 580 581 // The pattern used here is that a user PICKs a specific application, 582 // which, depending on the target, might need to CREATE the actual target. 583 584 // For example, the user would PICK_SHORTCUT for "Music playlist", and we 585 // launch over to the Music app to actually CREATE_SHORTCUT. 586 if (resultCode == RESULT_OK && mPendingAddInfo.container != ItemInfo.NO_ID) { 587 final PendingAddArguments args = new PendingAddArguments(); 588 args.requestCode = requestCode; 589 args.intent = data; 590 args.container = mPendingAddInfo.container; 591 args.screen = mPendingAddInfo.screen; 592 args.cellX = mPendingAddInfo.cellX; 593 args.cellY = mPendingAddInfo.cellY; 594 if (isWorkspaceLocked()) { 595 sPendingAddList.add(args); 596 } else { 597 delayExitSpringLoadedMode = completeAdd(args); 598 } 599 } 600 mDragLayer.clearAnimatedView(); 601 // Exit spring loaded mode if necessary after cancelling the configuration of a widget 602 exitSpringLoadedDragModeDelayed((resultCode != RESULT_CANCELED), delayExitSpringLoadedMode, 603 null); 604 } 605 606 private void completeTwoStageWidgetDrop(final int resultCode, final int appWidgetId) { 607 CellLayout cellLayout = 608 (CellLayout) mWorkspace.getChildAt(mWidgetBeingBoundOrConfigured.screen); 609 Runnable onCompleteRunnable = null; 610 int animationType = 0; 611 612 if (resultCode == RESULT_OK) { 613 animationType = Workspace.COMPLETE_TWO_STAGE_WIDGET_DROP_ANIMATION; 614 final AppWidgetHostView layout = mAppWidgetHost.createView(this, appWidgetId, 615 mWidgetBeingBoundOrConfigured.info); 616 mWidgetBeingBoundOrConfigured.boundWidget = layout; 617 onCompleteRunnable = new Runnable() { 618 @Override 619 public void run() { 620 completeAddAppWidget(appWidgetId, mPendingAddInfo.container, 621 mPendingAddInfo.screen, layout, null); 622 exitSpringLoadedDragModeDelayed((resultCode != RESULT_CANCELED), false, 623 null); 624 } 625 }; 626 } else if (resultCode == RESULT_CANCELED) { 627 animationType = Workspace.CANCEL_TWO_STAGE_WIDGET_DROP_ANIMATION; 628 onCompleteRunnable = new Runnable() { 629 @Override 630 public void run() { 631 exitSpringLoadedDragModeDelayed((resultCode != RESULT_CANCELED), false, 632 null); 633 } 634 }; 635 } 636 mWorkspace.animateWidgetDrop(mWidgetBeingBoundOrConfigured, cellLayout, 637 (DragView) mDragLayer.getAnimatedView(), onCompleteRunnable, 638 animationType, mWidgetBeingBoundOrConfigured.boundWidget, true); 639 mWidgetBeingBoundOrConfigured = null; 640 } 641 642 @Override 643 protected void onResume() { 644 super.onResume(); 645 646 mPaused = false; 647 if (mRestoring || mOnResumeNeedsLoad) { 648 mWorkspaceLoading = true; 649 mModel.startLoader(true); 650 mRestoring = false; 651 mOnResumeNeedsLoad = false; 652 } 653 654 // Reset the pressed state of icons that were locked in the press state while activities 655 // were launching 656 if (mWaitingForResume != null) { 657 // Resets the previous workspace icon press state 658 mWaitingForResume.setStayPressed(false); 659 } 660 if (mAppsCustomizeContent != null) { 661 // Resets the previous all apps icon press state 662 mAppsCustomizeContent.resetDrawableState(); 663 } 664 } 665 666 @Override 667 protected void onPause() { 668 // NOTE: We want all transitions from launcher to act as if the wallpaper were enabled 669 // to be consistent. So re-enable the flag here, and we will re-disable it as necessary 670 // when Launcher resumes and we are still in AllApps. 671 updateWallpaperVisibility(true); 672 673 super.onPause(); 674 mPaused = true; 675 mDragController.cancelDrag(); 676 mDragController.resetLastGestureUpTime(); 677 } 678 679 @Override 680 public Object onRetainNonConfigurationInstance() { 681 // Flag the loader to stop early before switching 682 mModel.stopLoader(); 683 if (mAppsCustomizeContent != null) { 684 mAppsCustomizeContent.surrender(); 685 } 686 return Boolean.TRUE; 687 } 688 689 // We can't hide the IME if it was forced open. So don't bother 690 /* 691 @Override 692 public void onWindowFocusChanged(boolean hasFocus) { 693 super.onWindowFocusChanged(hasFocus); 694 695 if (hasFocus) { 696 final InputMethodManager inputManager = (InputMethodManager) 697 getSystemService(Context.INPUT_METHOD_SERVICE); 698 WindowManager.LayoutParams lp = getWindow().getAttributes(); 699 inputManager.hideSoftInputFromWindow(lp.token, 0, new android.os.ResultReceiver(new 700 android.os.Handler()) { 701 protected void onReceiveResult(int resultCode, Bundle resultData) { 702 Log.d(TAG, "ResultReceiver got resultCode=" + resultCode); 703 } 704 }); 705 Log.d(TAG, "called hideSoftInputFromWindow from onWindowFocusChanged"); 706 } 707 } 708 */ 709 710 private boolean acceptFilter() { 711 final InputMethodManager inputManager = (InputMethodManager) 712 getSystemService(Context.INPUT_METHOD_SERVICE); 713 return !inputManager.isFullscreenMode(); 714 } 715 716 @Override 717 public boolean onKeyDown(int keyCode, KeyEvent event) { 718 final int uniChar = event.getUnicodeChar(); 719 final boolean handled = super.onKeyDown(keyCode, event); 720 final boolean isKeyNotWhitespace = uniChar > 0 && !Character.isWhitespace(uniChar); 721 if (!handled && acceptFilter() && isKeyNotWhitespace) { 722 boolean gotKey = TextKeyListener.getInstance().onKeyDown(mWorkspace, mDefaultKeySsb, 723 keyCode, event); 724 if (gotKey && mDefaultKeySsb != null && mDefaultKeySsb.length() > 0) { 725 // something usable has been typed - start a search 726 // the typed text will be retrieved and cleared by 727 // showSearchDialog() 728 // If there are multiple keystrokes before the search dialog takes focus, 729 // onSearchRequested() will be called for every keystroke, 730 // but it is idempotent, so it's fine. 731 return onSearchRequested(); 732 } 733 } 734 735 // Eat the long press event so the keyboard doesn't come up. 736 if (keyCode == KeyEvent.KEYCODE_MENU && event.isLongPress()) { 737 return true; 738 } 739 740 return handled; 741 } 742 743 private String getTypedText() { 744 return mDefaultKeySsb.toString(); 745 } 746 747 private void clearTypedText() { 748 mDefaultKeySsb.clear(); 749 mDefaultKeySsb.clearSpans(); 750 Selection.setSelection(mDefaultKeySsb, 0); 751 } 752 753 /** 754 * Given the integer (ordinal) value of a State enum instance, convert it to a variable of type 755 * State 756 */ 757 private static State intToState(int stateOrdinal) { 758 State state = State.WORKSPACE; 759 final State[] stateValues = State.values(); 760 for (int i = 0; i < stateValues.length; i++) { 761 if (stateValues[i].ordinal() == stateOrdinal) { 762 state = stateValues[i]; 763 break; 764 } 765 } 766 return state; 767 } 768 769 /** 770 * Restores the previous state, if it exists. 771 * 772 * @param savedState The previous state. 773 */ 774 private void restoreState(Bundle savedState) { 775 if (savedState == null) { 776 return; 777 } 778 779 State state = intToState(savedState.getInt(RUNTIME_STATE, State.WORKSPACE.ordinal())); 780 if (state == State.APPS_CUSTOMIZE) { 781 showAllApps(false); 782 } 783 784 int currentScreen = savedState.getInt(RUNTIME_STATE_CURRENT_SCREEN, -1); 785 if (currentScreen > -1) { 786 mWorkspace.setCurrentPage(currentScreen); 787 } 788 789 final long pendingAddContainer = savedState.getLong(RUNTIME_STATE_PENDING_ADD_CONTAINER, -1); 790 final int pendingAddScreen = savedState.getInt(RUNTIME_STATE_PENDING_ADD_SCREEN, -1); 791 792 if (pendingAddContainer != ItemInfo.NO_ID && pendingAddScreen > -1) { 793 mPendingAddInfo.container = pendingAddContainer; 794 mPendingAddInfo.screen = pendingAddScreen; 795 mPendingAddInfo.cellX = savedState.getInt(RUNTIME_STATE_PENDING_ADD_CELL_X); 796 mPendingAddInfo.cellY = savedState.getInt(RUNTIME_STATE_PENDING_ADD_CELL_Y); 797 mRestoring = true; 798 } 799 800 boolean renameFolder = savedState.getBoolean(RUNTIME_STATE_PENDING_FOLDER_RENAME, false); 801 if (renameFolder) { 802 long id = savedState.getLong(RUNTIME_STATE_PENDING_FOLDER_RENAME_ID); 803 mFolderInfo = mModel.getFolderById(this, sFolders, id); 804 mRestoring = true; 805 } 806 807 808 // Restore the AppsCustomize tab 809 if (mAppsCustomizeTabHost != null) { 810 String curTab = savedState.getString("apps_customize_currentTab"); 811 if (curTab != null) { 812 // We set this directly so that there is no delay before the tab is set 813 mAppsCustomizeContent.setContentType( 814 mAppsCustomizeTabHost.getContentTypeForTabTag(curTab)); 815 mAppsCustomizeTabHost.setCurrentTabByTag(curTab); 816 mAppsCustomizeContent.loadAssociatedPages( 817 mAppsCustomizeContent.getCurrentPage()); 818 } 819 820 int currentIndex = savedState.getInt("apps_customize_currentIndex"); 821 mAppsCustomizeContent.restorePageForIndex(currentIndex); 822 } 823 } 824 825 /** 826 * Finds all the views we need and configure them properly. 827 */ 828 private void setupViews() { 829 final DragController dragController = mDragController; 830 831 mDragLayer = (DragLayer) findViewById(R.id.drag_layer); 832 mWorkspace = (Workspace) mDragLayer.findViewById(R.id.workspace); 833 mQsbDivider = (ImageView) findViewById(R.id.qsb_divider); 834 mDockDivider = (ImageView) findViewById(R.id.dock_divider); 835 836 // Setup the drag layer 837 mDragLayer.setup(this, dragController); 838 839 // Setup the hotseat 840 mHotseat = (Hotseat) findViewById(R.id.hotseat); 841 if (mHotseat != null) { 842 mHotseat.setup(this); 843 } 844 845 // Setup the workspace 846 mWorkspace.setHapticFeedbackEnabled(false); 847 mWorkspace.setOnLongClickListener(this); 848 mWorkspace.setup(dragController); 849 dragController.addDragListener(mWorkspace); 850 851 // Get the search/delete bar 852 mSearchDropTargetBar = (SearchDropTargetBar) mDragLayer.findViewById(R.id.qsb_bar); 853 854 // Setup AppsCustomize 855 mAppsCustomizeTabHost = (AppsCustomizeTabHost) 856 findViewById(R.id.apps_customize_pane); 857 mAppsCustomizeContent = (AppsCustomizePagedView) 858 mAppsCustomizeTabHost.findViewById(R.id.apps_customize_pane_content); 859 mAppsCustomizeTabHost.setup(this); 860 mAppsCustomizeContent.setup(this, dragController); 861 862 // Get the all apps button 863 mAllAppsButton = findViewById(R.id.all_apps_button); 864 if (mAllAppsButton != null) { 865 mAllAppsButton.setOnTouchListener(new View.OnTouchListener() { 866 @Override 867 public boolean onTouch(View v, MotionEvent event) { 868 if ((event.getAction() & MotionEvent.ACTION_MASK) == MotionEvent.ACTION_DOWN) { 869 onTouchDownAllAppsButton(v); 870 } 871 return false; 872 } 873 }); 874 } 875 // Setup the drag controller (drop targets have to be added in reverse order in priority) 876 dragController.setDragScoller(mWorkspace); 877 dragController.setScrollView(mDragLayer); 878 dragController.setMoveTarget(mWorkspace); 879 dragController.addDropTarget(mWorkspace); 880 if (mSearchDropTargetBar != null) { 881 mSearchDropTargetBar.setup(this, dragController); 882 } 883 } 884 885 /** 886 * Creates a view representing a shortcut. 887 * 888 * @param info The data structure describing the shortcut. 889 * 890 * @return A View inflated from R.layout.application. 891 */ 892 View createShortcut(ShortcutInfo info) { 893 return createShortcut(R.layout.application, 894 (ViewGroup) mWorkspace.getChildAt(mWorkspace.getCurrentPage()), info); 895 } 896 897 /** 898 * Creates a view representing a shortcut inflated from the specified resource. 899 * 900 * @param layoutResId The id of the XML layout used to create the shortcut. 901 * @param parent The group the shortcut belongs to. 902 * @param info The data structure describing the shortcut. 903 * 904 * @return A View inflated from layoutResId. 905 */ 906 View createShortcut(int layoutResId, ViewGroup parent, ShortcutInfo info) { 907 BubbleTextView favorite = (BubbleTextView) mInflater.inflate(layoutResId, parent, false); 908 favorite.applyFromShortcutInfo(info, mIconCache); 909 favorite.setOnClickListener(this); 910 return favorite; 911 } 912 913 /** 914 * Add an application shortcut to the workspace. 915 * 916 * @param data The intent describing the application. 917 * @param cellInfo The position on screen where to create the shortcut. 918 */ 919 void completeAddApplication(Intent data, long container, int screen, int cellX, int cellY) { 920 final int[] cellXY = mTmpAddItemCellCoordinates; 921 final CellLayout layout = getCellLayout(container, screen); 922 923 // First we check if we already know the exact location where we want to add this item. 924 if (cellX >= 0 && cellY >= 0) { 925 cellXY[0] = cellX; 926 cellXY[1] = cellY; 927 } else if (!layout.findCellForSpan(cellXY, 1, 1)) { 928 showOutOfSpaceMessage(isHotseatLayout(layout)); 929 return; 930 } 931 932 final ShortcutInfo info = mModel.getShortcutInfo(getPackageManager(), data, this); 933 934 if (info != null) { 935 info.setActivity(data.getComponent(), Intent.FLAG_ACTIVITY_NEW_TASK | 936 Intent.FLAG_ACTIVITY_RESET_TASK_IF_NEEDED); 937 info.container = ItemInfo.NO_ID; 938 mWorkspace.addApplicationShortcut(info, layout, container, screen, cellXY[0], cellXY[1], 939 isWorkspaceLocked(), cellX, cellY); 940 } else { 941 Log.e(TAG, "Couldn't find ActivityInfo for selected application: " + data); 942 } 943 } 944 945 /** 946 * Add a shortcut to the workspace. 947 * 948 * @param data The intent describing the shortcut. 949 * @param cellInfo The position on screen where to create the shortcut. 950 */ 951 private void completeAddShortcut(Intent data, long container, int screen, int cellX, 952 int cellY) { 953 int[] cellXY = mTmpAddItemCellCoordinates; 954 int[] touchXY = mPendingAddInfo.dropPos; 955 CellLayout layout = getCellLayout(container, screen); 956 957 boolean foundCellSpan = false; 958 959 ShortcutInfo info = mModel.infoFromShortcutIntent(this, data, null); 960 if (info == null) { 961 return; 962 } 963 final View view = createShortcut(info); 964 965 // First we check if we already know the exact location where we want to add this item. 966 if (cellX >= 0 && cellY >= 0) { 967 cellXY[0] = cellX; 968 cellXY[1] = cellY; 969 foundCellSpan = true; 970 971 // If appropriate, either create a folder or add to an existing folder 972 if (mWorkspace.createUserFolderIfNecessary(view, container, layout, cellXY, 0, 973 true, null,null)) { 974 return; 975 } 976 DragObject dragObject = new DragObject(); 977 dragObject.dragInfo = info; 978 if (mWorkspace.addToExistingFolderIfNecessary(view, layout, cellXY, 0, dragObject, 979 true)) { 980 return; 981 } 982 } else if (touchXY != null) { 983 // when dragging and dropping, just find the closest free spot 984 int[] result = layout.findNearestVacantArea(touchXY[0], touchXY[1], 1, 1, cellXY); 985 foundCellSpan = (result != null); 986 } else { 987 foundCellSpan = layout.findCellForSpan(cellXY, 1, 1); 988 } 989 990 if (!foundCellSpan) { 991 showOutOfSpaceMessage(isHotseatLayout(layout)); 992 return; 993 } 994 995 LauncherModel.addItemToDatabase(this, info, container, screen, cellXY[0], cellXY[1], false); 996 997 if (!mRestoring) { 998 mWorkspace.addInScreen(view, container, screen, cellXY[0], cellXY[1], 1, 1, 999 isWorkspaceLocked()); 1000 } 1001 } 1002 1003 static int[] getSpanForWidget(Context context, ComponentName component, int minWidth, 1004 int minHeight) { 1005 Rect padding = AppWidgetHostView.getDefaultPaddingForWidget(context, component, null); 1006 // We want to account for the extra amount of padding that we are adding to the widget 1007 // to ensure that it gets the full amount of space that it has requested 1008 int requiredWidth = minWidth + padding.left + padding.right; 1009 int requiredHeight = minHeight + padding.top + padding.bottom; 1010 return CellLayout.rectToCell(context.getResources(), requiredWidth, requiredHeight, null); 1011 } 1012 1013 static int[] getSpanForWidget(Context context, AppWidgetProviderInfo info) { 1014 return getSpanForWidget(context, info.provider, info.minWidth, info.minHeight); 1015 } 1016 1017 static int[] getMinSpanForWidget(Context context, AppWidgetProviderInfo info) { 1018 return getSpanForWidget(context, info.provider, info.minResizeWidth, info.minResizeHeight); 1019 } 1020 1021 static int[] getSpanForWidget(Context context, PendingAddWidgetInfo info) { 1022 return getSpanForWidget(context, info.componentName, info.minWidth, info.minHeight); 1023 } 1024 1025 static int[] getMinSpanForWidget(Context context, PendingAddWidgetInfo info) { 1026 return getSpanForWidget(context, info.componentName, info.minResizeWidth, 1027 info.minResizeHeight); 1028 } 1029 1030 /** 1031 * Add a widget to the workspace. 1032 * 1033 * @param appWidgetId The app widget id 1034 * @param cellInfo The position on screen where to create the widget. 1035 */ 1036 private void completeAddAppWidget(final int appWidgetId, long container, int screen, 1037 AppWidgetHostView hostView, AppWidgetProviderInfo appWidgetInfo) { 1038 if (appWidgetInfo == null) { 1039 appWidgetInfo = mAppWidgetManager.getAppWidgetInfo(appWidgetId); 1040 } 1041 1042 // Calculate the grid spans needed to fit this widget 1043 CellLayout layout = getCellLayout(container, screen); 1044 1045 int[] minSpanXY = getMinSpanForWidget(this, appWidgetInfo); 1046 int[] spanXY = getSpanForWidget(this, appWidgetInfo); 1047 1048 // Try finding open space on Launcher screen 1049 // We have saved the position to which the widget was dragged-- this really only matters 1050 // if we are placing widgets on a "spring-loaded" screen 1051 int[] cellXY = mTmpAddItemCellCoordinates; 1052 int[] touchXY = mPendingAddInfo.dropPos; 1053 int[] finalSpan = new int[2]; 1054 boolean foundCellSpan = false; 1055 if (mPendingAddInfo.cellX >= 0 && mPendingAddInfo.cellY >= 0) { 1056 cellXY[0] = mPendingAddInfo.cellX; 1057 cellXY[1] = mPendingAddInfo.cellY; 1058 spanXY[0] = mPendingAddInfo.spanX; 1059 spanXY[1] = mPendingAddInfo.spanY; 1060 foundCellSpan = true; 1061 } else if (touchXY != null) { 1062 // when dragging and dropping, just find the closest free spot 1063 int[] result = layout.findNearestVacantArea( 1064 touchXY[0], touchXY[1], minSpanXY[0], minSpanXY[1], spanXY[0], 1065 spanXY[1], cellXY, finalSpan); 1066 spanXY[0] = finalSpan[0]; 1067 spanXY[1] = finalSpan[1]; 1068 foundCellSpan = (result != null); 1069 } else { 1070 foundCellSpan = layout.findCellForSpan(cellXY, minSpanXY[0], minSpanXY[1]); 1071 } 1072 1073 if (!foundCellSpan) { 1074 if (appWidgetId != -1) { 1075 // Deleting an app widget ID is a void call but writes to disk before returning 1076 // to the caller... 1077 new Thread("deleteAppWidgetId") { 1078 public void run() { 1079 mAppWidgetHost.deleteAppWidgetId(appWidgetId); 1080 } 1081 }.start(); 1082 } 1083 showOutOfSpaceMessage(isHotseatLayout(layout)); 1084 return; 1085 } 1086 1087 // Build Launcher-specific widget info and save to database 1088 LauncherAppWidgetInfo launcherInfo = new LauncherAppWidgetInfo(appWidgetId, 1089 appWidgetInfo.provider); 1090 launcherInfo.spanX = spanXY[0]; 1091 launcherInfo.spanY = spanXY[1]; 1092 launcherInfo.minSpanX = mPendingAddInfo.minSpanX; 1093 launcherInfo.minSpanY = mPendingAddInfo.minSpanY; 1094 1095 LauncherModel.addItemToDatabase(this, launcherInfo, 1096 container, screen, cellXY[0], cellXY[1], false); 1097 1098 if (!mRestoring) { 1099 if (hostView == null) { 1100 // Perform actual inflation because we're live 1101 launcherInfo.hostView = mAppWidgetHost.createView(this, appWidgetId, appWidgetInfo); 1102 launcherInfo.hostView.setAppWidget(appWidgetId, appWidgetInfo); 1103 } else { 1104 // The AppWidgetHostView has already been inflated and instantiated 1105 launcherInfo.hostView = hostView; 1106 } 1107 1108 launcherInfo.hostView.setTag(launcherInfo); 1109 launcherInfo.hostView.setVisibility(View.VISIBLE); 1110 AppWidgetResizeFrame.updateWidgetSizeRanges(launcherInfo.hostView, 1111 this, launcherInfo.spanX, launcherInfo.spanY); 1112 mWorkspace.addInScreen(launcherInfo.hostView, container, screen, cellXY[0], cellXY[1], 1113 launcherInfo.spanX, launcherInfo.spanY, isWorkspaceLocked()); 1114 1115 addWidgetToAutoAdvanceIfNeeded(launcherInfo.hostView, appWidgetInfo); 1116 } 1117 resetAddInfo(); 1118 } 1119 1120 private final BroadcastReceiver mReceiver = new BroadcastReceiver() { 1121 @Override 1122 public void onReceive(Context context, Intent intent) { 1123 final String action = intent.getAction(); 1124 if (Intent.ACTION_SCREEN_OFF.equals(action)) { 1125 mUserPresent = false; 1126 mDragLayer.clearAllResizeFrames(); 1127 updateRunning(); 1128 1129 // Reset AllApps to its initial state only if we are not in the middle of 1130 // processing a multi-step drop 1131 if (mAppsCustomizeTabHost != null && mPendingAddInfo.container == ItemInfo.NO_ID) { 1132 mAppsCustomizeTabHost.reset(); 1133 showWorkspace(false); 1134 } 1135 } else if (Intent.ACTION_USER_PRESENT.equals(action)) { 1136 mUserPresent = true; 1137 updateRunning(); 1138 } 1139 } 1140 }; 1141 1142 @Override 1143 public void onAttachedToWindow() { 1144 super.onAttachedToWindow(); 1145 1146 // Listen for broadcasts related to user-presence 1147 final IntentFilter filter = new IntentFilter(); 1148 filter.addAction(Intent.ACTION_SCREEN_OFF); 1149 filter.addAction(Intent.ACTION_USER_PRESENT); 1150 registerReceiver(mReceiver, filter); 1151 1152 mAttached = true; 1153 mVisible = true; 1154 } 1155 1156 @Override 1157 public void onDetachedFromWindow() { 1158 super.onDetachedFromWindow(); 1159 mVisible = false; 1160 1161 if (mAttached) { 1162 unregisterReceiver(mReceiver); 1163 mAttached = false; 1164 } 1165 updateRunning(); 1166 } 1167 1168 public void onWindowVisibilityChanged(int visibility) { 1169 mVisible = visibility == View.VISIBLE; 1170 updateRunning(); 1171 // The following code used to be in onResume, but it turns out onResume is called when 1172 // you're in All Apps and click home to go to the workspace. onWindowVisibilityChanged 1173 // is a more appropriate event to handle 1174 if (mVisible) { 1175 mAppsCustomizeTabHost.onWindowVisible(); 1176 if (!mWorkspaceLoading) { 1177 final ViewTreeObserver observer = mWorkspace.getViewTreeObserver(); 1178 // We want to let Launcher draw itself at least once before we force it to build 1179 // layers on all the workspace pages, so that transitioning to Launcher from other 1180 // apps is nice and speedy. Usually the first call to preDraw doesn't correspond to 1181 // a true draw so we wait until the second preDraw call to be safe 1182 observer.addOnPreDrawListener(new ViewTreeObserver.OnPreDrawListener() { 1183 public boolean onPreDraw() { 1184 // We delay the layer building a bit in order to give 1185 // other message processing a time to run. In particular 1186 // this avoids a delay in hiding the IME if it was 1187 // currently shown, because doing that may involve 1188 // some communication back with the app. 1189 mWorkspace.postDelayed(mBuildLayersRunnable, 500); 1190 1191 // We had to enable the wallpaper visibility when launching apps from all 1192 // apps (so that the transitions would be the same as when launching from 1193 // workspace) so take this time to see if we need to re-disable the 1194 // wallpaper visibility to ensure performance. 1195 mWorkspace.post(new Runnable() { 1196 @Override 1197 public void run() { 1198 if (mState == State.APPS_CUSTOMIZE) { 1199 if (mAppsCustomizeTabHost != null && 1200 !mAppsCustomizeTabHost.isTransitioning()) { 1201 updateWallpaperVisibility(false); 1202 } 1203 } 1204 } 1205 }); 1206 1207 observer.removeOnPreDrawListener(this); 1208 return true; 1209 } 1210 }); 1211 } 1212 // When Launcher comes back to foreground, a different Activity might be responsible for 1213 // the app market intent, so refresh the icon 1214 updateAppMarketIcon(); 1215 clearTypedText(); 1216 } 1217 } 1218 1219 private void sendAdvanceMessage(long delay) { 1220 mHandler.removeMessages(ADVANCE_MSG); 1221 Message msg = mHandler.obtainMessage(ADVANCE_MSG); 1222 mHandler.sendMessageDelayed(msg, delay); 1223 mAutoAdvanceSentTime = System.currentTimeMillis(); 1224 } 1225 1226 private void updateRunning() { 1227 boolean autoAdvanceRunning = mVisible && mUserPresent && !mWidgetsToAdvance.isEmpty(); 1228 if (autoAdvanceRunning != mAutoAdvanceRunning) { 1229 mAutoAdvanceRunning = autoAdvanceRunning; 1230 if (autoAdvanceRunning) { 1231 long delay = mAutoAdvanceTimeLeft == -1 ? mAdvanceInterval : mAutoAdvanceTimeLeft; 1232 sendAdvanceMessage(delay); 1233 } else { 1234 if (!mWidgetsToAdvance.isEmpty()) { 1235 mAutoAdvanceTimeLeft = Math.max(0, mAdvanceInterval - 1236 (System.currentTimeMillis() - mAutoAdvanceSentTime)); 1237 } 1238 mHandler.removeMessages(ADVANCE_MSG); 1239 mHandler.removeMessages(0); // Remove messages sent using postDelayed() 1240 } 1241 } 1242 } 1243 1244 private final Handler mHandler = new Handler() { 1245 @Override 1246 public void handleMessage(Message msg) { 1247 if (msg.what == ADVANCE_MSG) { 1248 int i = 0; 1249 for (View key: mWidgetsToAdvance.keySet()) { 1250 final View v = key.findViewById(mWidgetsToAdvance.get(key).autoAdvanceViewId); 1251 final int delay = mAdvanceStagger * i; 1252 if (v instanceof Advanceable) { 1253 postDelayed(new Runnable() { 1254 public void run() { 1255 ((Advanceable) v).advance(); 1256 } 1257 }, delay); 1258 } 1259 i++; 1260 } 1261 sendAdvanceMessage(mAdvanceInterval); 1262 } 1263 } 1264 }; 1265 1266 void addWidgetToAutoAdvanceIfNeeded(View hostView, AppWidgetProviderInfo appWidgetInfo) { 1267 if (appWidgetInfo == null || appWidgetInfo.autoAdvanceViewId == -1) return; 1268 View v = hostView.findViewById(appWidgetInfo.autoAdvanceViewId); 1269 if (v instanceof Advanceable) { 1270 mWidgetsToAdvance.put(hostView, appWidgetInfo); 1271 ((Advanceable) v).fyiWillBeAdvancedByHostKThx(); 1272 updateRunning(); 1273 } 1274 } 1275 1276 void removeWidgetToAutoAdvance(View hostView) { 1277 if (mWidgetsToAdvance.containsKey(hostView)) { 1278 mWidgetsToAdvance.remove(hostView); 1279 updateRunning(); 1280 } 1281 } 1282 1283 public void removeAppWidget(LauncherAppWidgetInfo launcherInfo) { 1284 removeWidgetToAutoAdvance(launcherInfo.hostView); 1285 launcherInfo.hostView = null; 1286 } 1287 1288 void showOutOfSpaceMessage(boolean isHotseatLayout) { 1289 int strId = (isHotseatLayout ? R.string.hotseat_out_of_space : R.string.out_of_space); 1290 Toast.makeText(this, getString(strId), Toast.LENGTH_SHORT).show(); 1291 } 1292 1293 public LauncherAppWidgetHost getAppWidgetHost() { 1294 return mAppWidgetHost; 1295 } 1296 1297 public LauncherModel getModel() { 1298 return mModel; 1299 } 1300 1301 void closeSystemDialogs() { 1302 getWindow().closeAllPanels(); 1303 1304 // Whatever we were doing is hereby canceled. 1305 mWaitingForResult = false; 1306 } 1307 1308 @Override 1309 protected void onNewIntent(Intent intent) { 1310 super.onNewIntent(intent); 1311 1312 // Close the menu 1313 if (Intent.ACTION_MAIN.equals(intent.getAction())) { 1314 // also will cancel mWaitingForResult. 1315 closeSystemDialogs(); 1316 1317 boolean alreadyOnHome = ((intent.getFlags() & Intent.FLAG_ACTIVITY_BROUGHT_TO_FRONT) 1318 != Intent.FLAG_ACTIVITY_BROUGHT_TO_FRONT); 1319 1320 Folder openFolder = mWorkspace.getOpenFolder(); 1321 // In all these cases, only animate if we're already on home 1322 mWorkspace.exitWidgetResizeMode(); 1323 if (alreadyOnHome && mState == State.WORKSPACE && !mWorkspace.isTouchActive() && 1324 openFolder == null) { 1325 mWorkspace.moveToDefaultScreen(true); 1326 } 1327 1328 closeFolder(); 1329 exitSpringLoadedDragMode(); 1330 showWorkspace(alreadyOnHome); 1331 1332 final View v = getWindow().peekDecorView(); 1333 if (v != null && v.getWindowToken() != null) { 1334 InputMethodManager imm = (InputMethodManager)getSystemService( 1335 INPUT_METHOD_SERVICE); 1336 imm.hideSoftInputFromWindow(v.getWindowToken(), 0); 1337 } 1338 1339 // Reset AllApps to its initial state 1340 if (!alreadyOnHome && mAppsCustomizeTabHost != null) { 1341 mAppsCustomizeTabHost.reset(); 1342 } 1343 } 1344 } 1345 1346 @Override 1347 protected void onRestoreInstanceState(Bundle savedInstanceState) { 1348 // Do not call super here 1349 mSavedInstanceState = savedInstanceState; 1350 } 1351 1352 @Override 1353 protected void onSaveInstanceState(Bundle outState) { 1354 outState.putInt(RUNTIME_STATE_CURRENT_SCREEN, mWorkspace.getCurrentPage()); 1355 super.onSaveInstanceState(outState); 1356 1357 outState.putInt(RUNTIME_STATE, mState.ordinal()); 1358 // We close any open folder since it will not be re-opened, and we need to make sure 1359 // this state is reflected. 1360 closeFolder(); 1361 1362 if (mPendingAddInfo.container != ItemInfo.NO_ID && mPendingAddInfo.screen > -1 && 1363 mWaitingForResult) { 1364 outState.putLong(RUNTIME_STATE_PENDING_ADD_CONTAINER, mPendingAddInfo.container); 1365 outState.putInt(RUNTIME_STATE_PENDING_ADD_SCREEN, mPendingAddInfo.screen); 1366 outState.putInt(RUNTIME_STATE_PENDING_ADD_CELL_X, mPendingAddInfo.cellX); 1367 outState.putInt(RUNTIME_STATE_PENDING_ADD_CELL_Y, mPendingAddInfo.cellY); 1368 } 1369 1370 if (mFolderInfo != null && mWaitingForResult) { 1371 outState.putBoolean(RUNTIME_STATE_PENDING_FOLDER_RENAME, true); 1372 outState.putLong(RUNTIME_STATE_PENDING_FOLDER_RENAME_ID, mFolderInfo.id); 1373 } 1374 1375 // Save the current AppsCustomize tab 1376 if (mAppsCustomizeTabHost != null) { 1377 String currentTabTag = mAppsCustomizeTabHost.getCurrentTabTag(); 1378 if (currentTabTag != null) { 1379 outState.putString("apps_customize_currentTab", currentTabTag); 1380 } 1381 int currentIndex = mAppsCustomizeContent.getSaveInstanceStateIndex(); 1382 outState.putInt("apps_customize_currentIndex", currentIndex); 1383 } 1384 } 1385 1386 @Override 1387 public void onDestroy() { 1388 super.onDestroy(); 1389 1390 // Remove all pending runnables 1391 mHandler.removeMessages(ADVANCE_MSG); 1392 mHandler.removeMessages(0); 1393 mWorkspace.removeCallbacks(mBuildLayersRunnable); 1394 1395 // Stop callbacks from LauncherModel 1396 LauncherApplication app = ((LauncherApplication) getApplication()); 1397 mModel.stopLoader(); 1398 app.setLauncher(null); 1399 1400 try { 1401 mAppWidgetHost.stopListening(); 1402 } catch (NullPointerException ex) { 1403 Log.w(TAG, "problem while stopping AppWidgetHost during Launcher destruction", ex); 1404 } 1405 mAppWidgetHost = null; 1406 1407 mWidgetsToAdvance.clear(); 1408 1409 TextKeyListener.getInstance().release(); 1410 1411 1412 unbindWorkspaceAndHotseatItems(); 1413 1414 getContentResolver().unregisterContentObserver(mWidgetObserver); 1415 unregisterReceiver(mCloseSystemDialogsReceiver); 1416 1417 mDragLayer.clearAllResizeFrames(); 1418 ((ViewGroup) mWorkspace.getParent()).removeAllViews(); 1419 mWorkspace.removeAllViews(); 1420 mWorkspace = null; 1421 mDragController = null; 1422 1423 ValueAnimator.clearAllAnimations(); 1424 } 1425 1426 public DragController getDragController() { 1427 return mDragController; 1428 } 1429 1430 @Override 1431 public void startActivityForResult(Intent intent, int requestCode) { 1432 if (requestCode >= 0) mWaitingForResult = true; 1433 super.startActivityForResult(intent, requestCode); 1434 } 1435 1436 /** 1437 * Indicates that we want global search for this activity by setting the globalSearch 1438 * argument for {@link #startSearch} to true. 1439 */ 1440 @Override 1441 public void startSearch(String initialQuery, boolean selectInitialQuery, 1442 Bundle appSearchData, boolean globalSearch) { 1443 1444 showWorkspace(true); 1445 1446 if (initialQuery == null) { 1447 // Use any text typed in the launcher as the initial query 1448 initialQuery = getTypedText(); 1449 } 1450 if (appSearchData == null) { 1451 appSearchData = new Bundle(); 1452 appSearchData.putString(Search.SOURCE, "launcher-search"); 1453 } 1454 Rect sourceBounds = mSearchDropTargetBar.getSearchBarBounds(); 1455 1456 final SearchManager searchManager = 1457 (SearchManager) getSystemService(Context.SEARCH_SERVICE); 1458 searchManager.startSearch(initialQuery, selectInitialQuery, getComponentName(), 1459 appSearchData, globalSearch, sourceBounds); 1460 } 1461 1462 @Override 1463 public boolean onCreateOptionsMenu(Menu menu) { 1464 if (isWorkspaceLocked()) { 1465 return false; 1466 } 1467 1468 super.onCreateOptionsMenu(menu); 1469 1470 Intent manageApps = new Intent(Settings.ACTION_MANAGE_ALL_APPLICATIONS_SETTINGS); 1471 manageApps.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK 1472 | Intent.FLAG_ACTIVITY_EXCLUDE_FROM_RECENTS); 1473 Intent settings = new Intent(android.provider.Settings.ACTION_SETTINGS); 1474 settings.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK 1475 | Intent.FLAG_ACTIVITY_RESET_TASK_IF_NEEDED); 1476 String helpUrl = getString(R.string.help_url); 1477 Intent help = new Intent(Intent.ACTION_VIEW, Uri.parse(helpUrl)); 1478 help.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK 1479 | Intent.FLAG_ACTIVITY_EXCLUDE_FROM_RECENTS); 1480 1481 menu.add(MENU_GROUP_WALLPAPER, MENU_WALLPAPER_SETTINGS, 0, R.string.menu_wallpaper) 1482 .setIcon(android.R.drawable.ic_menu_gallery) 1483 .setAlphabeticShortcut('W'); 1484 menu.add(0, MENU_MANAGE_APPS, 0, R.string.menu_manage_apps) 1485 .setIcon(android.R.drawable.ic_menu_manage) 1486 .setIntent(manageApps) 1487 .setAlphabeticShortcut('M'); 1488 menu.add(0, MENU_SYSTEM_SETTINGS, 0, R.string.menu_settings) 1489 .setIcon(android.R.drawable.ic_menu_preferences) 1490 .setIntent(settings) 1491 .setAlphabeticShortcut('P'); 1492 if (!helpUrl.isEmpty()) { 1493 menu.add(0, MENU_HELP, 0, R.string.menu_help) 1494 .setIcon(android.R.drawable.ic_menu_help) 1495 .setIntent(help) 1496 .setAlphabeticShortcut('H'); 1497 } 1498 return true; 1499 } 1500 1501 @Override 1502 public boolean onPrepareOptionsMenu(Menu menu) { 1503 super.onPrepareOptionsMenu(menu); 1504 1505 if (mAppsCustomizeTabHost.isTransitioning()) { 1506 return false; 1507 } 1508 boolean allAppsVisible = (mAppsCustomizeTabHost.getVisibility() == View.VISIBLE); 1509 menu.setGroupVisible(MENU_GROUP_WALLPAPER, !allAppsVisible); 1510 1511 return true; 1512 } 1513 1514 @Override 1515 public boolean onOptionsItemSelected(MenuItem item) { 1516 switch (item.getItemId()) { 1517 case MENU_WALLPAPER_SETTINGS: 1518 startWallpaper(); 1519 return true; 1520 } 1521 1522 return super.onOptionsItemSelected(item); 1523 } 1524 1525 @Override 1526 public boolean onSearchRequested() { 1527 startSearch(null, false, null, true); 1528 // Use a custom animation for launching search 1529 overridePendingTransition(R.anim.fade_in_fast, R.anim.fade_out_fast); 1530 return true; 1531 } 1532 1533 public boolean isWorkspaceLocked() { 1534 return mWorkspaceLoading || mWaitingForResult; 1535 } 1536 1537 private void resetAddInfo() { 1538 mPendingAddInfo.container = ItemInfo.NO_ID; 1539 mPendingAddInfo.screen = -1; 1540 mPendingAddInfo.cellX = mPendingAddInfo.cellY = -1; 1541 mPendingAddInfo.spanX = mPendingAddInfo.spanY = -1; 1542 mPendingAddInfo.minSpanX = mPendingAddInfo.minSpanY = -1; 1543 mPendingAddInfo.dropPos = null; 1544 } 1545 1546 void addAppWidgetFromPick(Intent data) { 1547 // TODO: catch bad widget exception when sent 1548 int appWidgetId = data.getIntExtra(AppWidgetManager.EXTRA_APPWIDGET_ID, -1); 1549 // TODO: Is this log message meaningful? 1550 if (LOGD) Log.d(TAG, "dumping extras content=" + data.getExtras()); 1551 addAppWidgetImpl(appWidgetId, null); 1552 } 1553 1554 void addAppWidgetImpl(final int appWidgetId, final PendingAddWidgetInfo info) { 1555 final AppWidgetProviderInfo appWidget = info.info; 1556 if (appWidget.configure != null) { 1557 // Launch over to configure widget, if needed 1558 Intent intent = new Intent(AppWidgetManager.ACTION_APPWIDGET_CONFIGURE); 1559 intent.setComponent(appWidget.configure); 1560 intent.putExtra(AppWidgetManager.EXTRA_APPWIDGET_ID, appWidgetId); 1561 startActivityForResultSafely(intent, REQUEST_CREATE_APPWIDGET); 1562 mWidgetBeingBoundOrConfigured = info; 1563 } else { 1564 // Otherwise just add it 1565 completeAddAppWidget(appWidgetId, info.container, info.screen, info.boundWidget, appWidget); 1566 // Exit spring loaded mode if necessary after adding the widget 1567 exitSpringLoadedDragModeDelayed(true, false, null); 1568 } 1569 } 1570 1571 /** 1572 * Process a shortcut drop. 1573 * 1574 * @param componentName The name of the component 1575 * @param screen The screen where it should be added 1576 * @param cell The cell it should be added to, optional 1577 * @param position The location on the screen where it was dropped, optional 1578 */ 1579 void processShortcutFromDrop(ComponentName componentName, long container, int screen, 1580 int[] cell, int[] loc) { 1581 resetAddInfo(); 1582 mPendingAddInfo.container = container; 1583 mPendingAddInfo.screen = screen; 1584 mPendingAddInfo.dropPos = loc; 1585 1586 if (cell != null) { 1587 mPendingAddInfo.cellX = cell[0]; 1588 mPendingAddInfo.cellY = cell[1]; 1589 } 1590 1591 Intent createShortcutIntent = new Intent(Intent.ACTION_CREATE_SHORTCUT); 1592 createShortcutIntent.setComponent(componentName); 1593 processShortcut(createShortcutIntent); 1594 } 1595 1596 /** 1597 * Process a widget drop. 1598 * 1599 * @param info The PendingAppWidgetInfo of the widget being added. 1600 * @param screen The screen where it should be added 1601 * @param cell The cell it should be added to, optional 1602 * @param position The location on the screen where it was dropped, optional 1603 */ 1604 void addAppWidgetFromDrop(PendingAddWidgetInfo info, long container, int screen, 1605 int[] cell, int[] span, int[] loc) { 1606 resetAddInfo(); 1607 mPendingAddInfo.container = info.container = container; 1608 mPendingAddInfo.screen = info.screen = screen; 1609 mPendingAddInfo.dropPos = loc; 1610 mPendingAddInfo.minSpanX = info.minSpanX; 1611 mPendingAddInfo.minSpanY = info.minSpanY; 1612 1613 if (cell != null) { 1614 mPendingAddInfo.cellX = cell[0]; 1615 mPendingAddInfo.cellY = cell[1]; 1616 } 1617 if (span != null) { 1618 mPendingAddInfo.spanX = span[0]; 1619 mPendingAddInfo.spanY = span[1]; 1620 } 1621 1622 AppWidgetHostView hostView = info.boundWidget; 1623 int appWidgetId; 1624 if (hostView != null) { 1625 appWidgetId = hostView.getAppWidgetId(); 1626 addAppWidgetImpl(appWidgetId, info); 1627 } else { 1628 appWidgetId = getAppWidgetHost().allocateAppWidgetId(); 1629 mWidgetBeingBoundOrConfigured = info; 1630 if (mAppWidgetManager.bindAppWidgetIdIfAllowed(appWidgetId, info.componentName)) { 1631 addAppWidgetImpl(appWidgetId, info); 1632 } else { 1633 Intent intent = new Intent(AppWidgetManager.ACTION_APPWIDGET_BIND); 1634 intent.putExtra(AppWidgetManager.EXTRA_APPWIDGET_ID, appWidgetId); 1635 intent.putExtra(AppWidgetManager.EXTRA_APPWIDGET_PROVIDER, info.componentName); 1636 startActivityForResult(intent, REQUEST_BIND_APPWIDGET); 1637 } 1638 } 1639 } 1640 1641 void processShortcut(Intent intent) { 1642 // Handle case where user selected "Applications" 1643 String applicationName = getResources().getString(R.string.group_applications); 1644 String shortcutName = intent.getStringExtra(Intent.EXTRA_SHORTCUT_NAME); 1645 1646 if (applicationName != null && applicationName.equals(shortcutName)) { 1647 Intent mainIntent = new Intent(Intent.ACTION_MAIN, null); 1648 mainIntent.addCategory(Intent.CATEGORY_LAUNCHER); 1649 1650 Intent pickIntent = new Intent(Intent.ACTION_PICK_ACTIVITY); 1651 pickIntent.putExtra(Intent.EXTRA_INTENT, mainIntent); 1652 pickIntent.putExtra(Intent.EXTRA_TITLE, getText(R.string.title_select_application)); 1653 startActivityForResultSafely(pickIntent, REQUEST_PICK_APPLICATION); 1654 } else { 1655 startActivityForResultSafely(intent, REQUEST_CREATE_SHORTCUT); 1656 } 1657 } 1658 1659 void processWallpaper(Intent intent) { 1660 startActivityForResult(intent, REQUEST_PICK_WALLPAPER); 1661 } 1662 1663 FolderIcon addFolder(CellLayout layout, long container, final int screen, int cellX, 1664 int cellY) { 1665 final FolderInfo folderInfo = new FolderInfo(); 1666 folderInfo.title = getText(R.string.folder_name); 1667 1668 // Update the model 1669 LauncherModel.addItemToDatabase(Launcher.this, folderInfo, container, screen, cellX, cellY, 1670 false); 1671 sFolders.put(folderInfo.id, folderInfo); 1672 1673 // Create the view 1674 FolderIcon newFolder = 1675 FolderIcon.fromXml(R.layout.folder_icon, this, layout, folderInfo, mIconCache); 1676 mWorkspace.addInScreen(newFolder, container, screen, cellX, cellY, 1, 1, 1677 isWorkspaceLocked()); 1678 return newFolder; 1679 } 1680 1681 void removeFolder(FolderInfo folder) { 1682 sFolders.remove(folder.id); 1683 } 1684 1685 private void startWallpaper() { 1686 showWorkspace(true); 1687 final Intent pickWallpaper = new Intent(Intent.ACTION_SET_WALLPAPER); 1688 Intent chooser = Intent.createChooser(pickWallpaper, 1689 getText(R.string.chooser_wallpaper)); 1690 // NOTE: Adds a configure option to the chooser if the wallpaper supports it 1691 // Removed in Eclair MR1 1692// WallpaperManager wm = (WallpaperManager) 1693// getSystemService(Context.WALLPAPER_SERVICE); 1694// WallpaperInfo wi = wm.getWallpaperInfo(); 1695// if (wi != null && wi.getSettingsActivity() != null) { 1696// LabeledIntent li = new LabeledIntent(getPackageName(), 1697// R.string.configure_wallpaper, 0); 1698// li.setClassName(wi.getPackageName(), wi.getSettingsActivity()); 1699// chooser.putExtra(Intent.EXTRA_INITIAL_INTENTS, new Intent[] { li }); 1700// } 1701 startActivityForResult(chooser, REQUEST_PICK_WALLPAPER); 1702 } 1703 1704 /** 1705 * Registers various content observers. The current implementation registers 1706 * only a favorites observer to keep track of the favorites applications. 1707 */ 1708 private void registerContentObservers() { 1709 ContentResolver resolver = getContentResolver(); 1710 resolver.registerContentObserver(LauncherProvider.CONTENT_APPWIDGET_RESET_URI, 1711 true, mWidgetObserver); 1712 } 1713 1714 @Override 1715 public boolean dispatchKeyEvent(KeyEvent event) { 1716 if (event.getAction() == KeyEvent.ACTION_DOWN) { 1717 switch (event.getKeyCode()) { 1718 case KeyEvent.KEYCODE_HOME: 1719 return true; 1720 case KeyEvent.KEYCODE_VOLUME_DOWN: 1721 if (SystemProperties.getInt("debug.launcher2.dumpstate", 0) != 0) { 1722 dumpState(); 1723 return true; 1724 } 1725 break; 1726 } 1727 } else if (event.getAction() == KeyEvent.ACTION_UP) { 1728 switch (event.getKeyCode()) { 1729 case KeyEvent.KEYCODE_HOME: 1730 return true; 1731 } 1732 } 1733 1734 return super.dispatchKeyEvent(event); 1735 } 1736 1737 @Override 1738 public void onBackPressed() { 1739 if (mState == State.APPS_CUSTOMIZE) { 1740 showWorkspace(true); 1741 } else if (mWorkspace.getOpenFolder() != null) { 1742 Folder openFolder = mWorkspace.getOpenFolder(); 1743 if (openFolder.isEditingName()) { 1744 openFolder.dismissEditingName(); 1745 } else { 1746 closeFolder(); 1747 } 1748 } else { 1749 mWorkspace.exitWidgetResizeMode(); 1750 1751 // Back button is a no-op here, but give at least some feedback for the button press 1752 mWorkspace.showOutlinesTemporarily(); 1753 } 1754 } 1755 1756 /** 1757 * Re-listen when widgets are reset. 1758 */ 1759 private void onAppWidgetReset() { 1760 if (mAppWidgetHost != null) { 1761 mAppWidgetHost.startListening(); 1762 } 1763 } 1764 1765 /** 1766 * Go through the and disconnect any of the callbacks in the drawables and the views or we 1767 * leak the previous Home screen on orientation change. 1768 */ 1769 private void unbindWorkspaceAndHotseatItems() { 1770 if (mModel != null) { 1771 mModel.unbindWorkspaceItems(); 1772 } 1773 } 1774 1775 /** 1776 * Launches the intent referred by the clicked shortcut. 1777 * 1778 * @param v The view representing the clicked shortcut. 1779 */ 1780 public void onClick(View v) { 1781 // Make sure that rogue clicks don't get through while allapps is launching, or after the 1782 // view has detached (it's possible for this to happen if the view is removed mid touch). 1783 if (v.getWindowToken() == null) { 1784 return; 1785 } 1786 1787 if (!mWorkspace.isFinishedSwitchingState()) { 1788 return; 1789 } 1790 1791 Object tag = v.getTag(); 1792 if (tag instanceof ShortcutInfo) { 1793 // Open shortcut 1794 final Intent intent = ((ShortcutInfo) tag).intent; 1795 int[] pos = new int[2]; 1796 v.getLocationOnScreen(pos); 1797 intent.setSourceBounds(new Rect(pos[0], pos[1], 1798 pos[0] + v.getWidth(), pos[1] + v.getHeight())); 1799 1800 boolean success = startActivitySafely(v, intent, tag); 1801 1802 if (success && v instanceof BubbleTextView) { 1803 mWaitingForResume = (BubbleTextView) v; 1804 mWaitingForResume.setStayPressed(true); 1805 } 1806 } else if (tag instanceof FolderInfo) { 1807 if (v instanceof FolderIcon) { 1808 FolderIcon fi = (FolderIcon) v; 1809 handleFolderClick(fi); 1810 } 1811 } else if (v == mAllAppsButton) { 1812 if (mState == State.APPS_CUSTOMIZE) { 1813 showWorkspace(true); 1814 } else { 1815 onClickAllAppsButton(v); 1816 } 1817 } 1818 } 1819 1820 public boolean onTouch(View v, MotionEvent event) { 1821 // this is an intercepted event being forwarded from mWorkspace; 1822 // clicking anywhere on the workspace causes the customization drawer to slide down 1823 showWorkspace(true); 1824 return false; 1825 } 1826 1827 /** 1828 * Event handler for the search button 1829 * 1830 * @param v The view that was clicked. 1831 */ 1832 public void onClickSearchButton(View v) { 1833 v.performHapticFeedback(HapticFeedbackConstants.VIRTUAL_KEY); 1834 1835 onSearchRequested(); 1836 } 1837 1838 /** 1839 * Event handler for the voice button 1840 * 1841 * @param v The view that was clicked. 1842 */ 1843 public void onClickVoiceButton(View v) { 1844 v.performHapticFeedback(HapticFeedbackConstants.VIRTUAL_KEY); 1845 1846 try { 1847 final SearchManager searchManager = 1848 (SearchManager) getSystemService(Context.SEARCH_SERVICE); 1849 ComponentName activityName = searchManager.getGlobalSearchActivity(); 1850 Intent intent = new Intent(RecognizerIntent.ACTION_WEB_SEARCH); 1851 intent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK 1852 | Intent.FLAG_ACTIVITY_EXCLUDE_FROM_RECENTS); 1853 if (activityName != null) { 1854 intent.setPackage(activityName.getPackageName()); 1855 } 1856 startActivitySafely(null, intent, "onClickVoiceButton"); 1857 } catch (ActivityNotFoundException e) { 1858 Intent intent = new Intent(RecognizerIntent.ACTION_WEB_SEARCH); 1859 intent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK 1860 | Intent.FLAG_ACTIVITY_EXCLUDE_FROM_RECENTS); 1861 startActivitySafely(null, intent, "onClickVoiceButton"); 1862 } 1863 } 1864 1865 /** 1866 * Event handler for the "grid" button that appears on the home screen, which 1867 * enters all apps mode. 1868 * 1869 * @param v The view that was clicked. 1870 */ 1871 public void onClickAllAppsButton(View v) { 1872 showAllApps(true); 1873 } 1874 1875 public void onTouchDownAllAppsButton(View v) { 1876 // Provide the same haptic feedback that the system offers for virtual keys. 1877 v.performHapticFeedback(HapticFeedbackConstants.VIRTUAL_KEY); 1878 } 1879 1880 public void onClickAppMarketButton(View v) { 1881 if (mAppMarketIntent != null) { 1882 startActivitySafely(v, mAppMarketIntent, "app market"); 1883 } else { 1884 Log.e(TAG, "Invalid app market intent."); 1885 } 1886 } 1887 1888 void startApplicationDetailsActivity(ComponentName componentName) { 1889 String packageName = componentName.getPackageName(); 1890 Intent intent = new Intent(Settings.ACTION_APPLICATION_DETAILS_SETTINGS, 1891 Uri.fromParts("package", packageName, null)); 1892 intent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK | Intent.FLAG_ACTIVITY_EXCLUDE_FROM_RECENTS); 1893 startActivitySafely(null, intent, "startApplicationDetailsActivity"); 1894 } 1895 1896 void startApplicationUninstallActivity(ApplicationInfo appInfo) { 1897 if ((appInfo.flags & ApplicationInfo.DOWNLOADED_FLAG) == 0) { 1898 // System applications cannot be installed. For now, show a toast explaining that. 1899 // We may give them the option of disabling apps this way. 1900 int messageId = R.string.uninstall_system_app_text; 1901 Toast.makeText(this, messageId, Toast.LENGTH_SHORT).show(); 1902 } else { 1903 String packageName = appInfo.componentName.getPackageName(); 1904 String className = appInfo.componentName.getClassName(); 1905 Intent intent = new Intent( 1906 Intent.ACTION_DELETE, Uri.fromParts("package", packageName, className)); 1907 intent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK | 1908 Intent.FLAG_ACTIVITY_EXCLUDE_FROM_RECENTS); 1909 startActivity(intent); 1910 } 1911 } 1912 1913 boolean startActivitySafely(View v, Intent intent, Object tag) { 1914 intent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK); 1915 1916 try { 1917 // Only launch using the new animation if the shortcut has not opted out (this is a 1918 // private contract between launcher and may be ignored in the future). 1919 boolean useLaunchAnimation = (v != null) && 1920 !intent.hasExtra(INTENT_EXTRA_IGNORE_LAUNCH_ANIMATION); 1921 if (useLaunchAnimation) { 1922 ActivityOptions opts = ActivityOptions.makeScaleUpAnimation(v, 0, 0, 1923 v.getMeasuredWidth(), v.getMeasuredHeight()); 1924 1925 startActivity(intent, opts.toBundle()); 1926 } else { 1927 startActivity(intent); 1928 } 1929 return true; 1930 } catch (ActivityNotFoundException e) { 1931 Toast.makeText(this, R.string.activity_not_found, Toast.LENGTH_SHORT).show(); 1932 Log.e(TAG, "Unable to launch. tag=" + tag + " intent=" + intent, e); 1933 } catch (SecurityException e) { 1934 Toast.makeText(this, R.string.activity_not_found, Toast.LENGTH_SHORT).show(); 1935 Log.e(TAG, "Launcher does not have the permission to launch " + intent + 1936 ". Make sure to create a MAIN intent-filter for the corresponding activity " + 1937 "or use the exported attribute for this activity. " 1938 + "tag="+ tag + " intent=" + intent, e); 1939 } 1940 return false; 1941 } 1942 1943 void startActivityForResultSafely(Intent intent, int requestCode) { 1944 try { 1945 startActivityForResult(intent, requestCode); 1946 } catch (ActivityNotFoundException e) { 1947 Toast.makeText(this, R.string.activity_not_found, Toast.LENGTH_SHORT).show(); 1948 } catch (SecurityException e) { 1949 Toast.makeText(this, R.string.activity_not_found, Toast.LENGTH_SHORT).show(); 1950 Log.e(TAG, "Launcher does not have the permission to launch " + intent + 1951 ". Make sure to create a MAIN intent-filter for the corresponding activity " + 1952 "or use the exported attribute for this activity.", e); 1953 } 1954 } 1955 1956 private void handleFolderClick(FolderIcon folderIcon) { 1957 final FolderInfo info = folderIcon.mInfo; 1958 Folder openFolder = mWorkspace.getFolderForTag(info); 1959 1960 // If the folder info reports that the associated folder is open, then verify that 1961 // it is actually opened. There have been a few instances where this gets out of sync. 1962 if (info.opened && openFolder == null) { 1963 Log.d(TAG, "Folder info marked as open, but associated folder is not open. Screen: " 1964 + info.screen + " (" + info.cellX + ", " + info.cellY + ")"); 1965 info.opened = false; 1966 } 1967 1968 if (!info.opened) { 1969 // Close any open folder 1970 closeFolder(); 1971 // Open the requested folder 1972 openFolder(folderIcon); 1973 } else { 1974 // Find the open folder... 1975 int folderScreen; 1976 if (openFolder != null) { 1977 folderScreen = mWorkspace.getPageForView(openFolder); 1978 // .. and close it 1979 closeFolder(openFolder); 1980 if (folderScreen != mWorkspace.getCurrentPage()) { 1981 // Close any folder open on the current screen 1982 closeFolder(); 1983 // Pull the folder onto this screen 1984 openFolder(folderIcon); 1985 } 1986 } 1987 } 1988 } 1989 1990 private void growAndFadeOutFolderIcon(FolderIcon fi) { 1991 if (fi == null) return; 1992 PropertyValuesHolder alpha = PropertyValuesHolder.ofFloat("alpha", 0); 1993 PropertyValuesHolder scaleX = PropertyValuesHolder.ofFloat("scaleX", 1.5f); 1994 PropertyValuesHolder scaleY = PropertyValuesHolder.ofFloat("scaleY", 1.5f); 1995 1996 FolderInfo info = (FolderInfo) fi.getTag(); 1997 if (info.container == LauncherSettings.Favorites.CONTAINER_HOTSEAT) { 1998 CellLayout cl = (CellLayout) fi.getParent().getParent(); 1999 CellLayout.LayoutParams lp = (CellLayout.LayoutParams) fi.getLayoutParams(); 2000 cl.setFolderLeaveBehindCell(lp.cellX, lp.cellY); 2001 } 2002 2003 ObjectAnimator oa = ObjectAnimator.ofPropertyValuesHolder(fi, alpha, scaleX, scaleY); 2004 oa.setDuration(getResources().getInteger(R.integer.config_folderAnimDuration)); 2005 oa.start(); 2006 } 2007 2008 private void shrinkAndFadeInFolderIcon(FolderIcon fi) { 2009 if (fi == null) return; 2010 PropertyValuesHolder alpha = PropertyValuesHolder.ofFloat("alpha", 1.0f); 2011 PropertyValuesHolder scaleX = PropertyValuesHolder.ofFloat("scaleX", 1.0f); 2012 PropertyValuesHolder scaleY = PropertyValuesHolder.ofFloat("scaleY", 1.0f); 2013 2014 FolderInfo info = (FolderInfo) fi.getTag(); 2015 CellLayout cl = null; 2016 if (info.container == LauncherSettings.Favorites.CONTAINER_HOTSEAT) { 2017 cl = (CellLayout) fi.getParent().getParent(); 2018 } 2019 2020 final CellLayout layout = cl; 2021 ObjectAnimator oa = ObjectAnimator.ofPropertyValuesHolder(fi, alpha, scaleX, scaleY); 2022 oa.setDuration(getResources().getInteger(R.integer.config_folderAnimDuration)); 2023 oa.addListener(new AnimatorListenerAdapter() { 2024 @Override 2025 public void onAnimationEnd(Animator animation) { 2026 if (layout != null) { 2027 layout.clearFolderLeaveBehind(); 2028 } 2029 } 2030 }); 2031 oa.start(); 2032 } 2033 2034 /** 2035 * Opens the user folder described by the specified tag. The opening of the folder 2036 * is animated relative to the specified View. If the View is null, no animation 2037 * is played. 2038 * 2039 * @param folderInfo The FolderInfo describing the folder to open. 2040 */ 2041 public void openFolder(FolderIcon folderIcon) { 2042 Folder folder = folderIcon.mFolder; 2043 FolderInfo info = folder.mInfo; 2044 2045 growAndFadeOutFolderIcon(folderIcon); 2046 info.opened = true; 2047 2048 // Just verify that the folder hasn't already been added to the DragLayer. 2049 // There was a one-off crash where the folder had a parent already. 2050 if (folder.getParent() == null) { 2051 mDragLayer.addView(folder); 2052 mDragController.addDropTarget((DropTarget) folder); 2053 } else { 2054 Log.w(TAG, "Opening folder (" + folder + ") which already has a parent (" + 2055 folder.getParent() + ")."); 2056 } 2057 folder.animateOpen(); 2058 } 2059 2060 public void closeFolder() { 2061 Folder folder = mWorkspace.getOpenFolder(); 2062 if (folder != null) { 2063 if (folder.isEditingName()) { 2064 folder.dismissEditingName(); 2065 } 2066 closeFolder(folder); 2067 2068 // Dismiss the folder cling 2069 dismissFolderCling(null); 2070 } 2071 } 2072 2073 void closeFolder(Folder folder) { 2074 folder.getInfo().opened = false; 2075 2076 ViewGroup parent = (ViewGroup) folder.getParent().getParent(); 2077 if (parent != null) { 2078 FolderIcon fi = (FolderIcon) mWorkspace.getViewForTag(folder.mInfo); 2079 shrinkAndFadeInFolderIcon(fi); 2080 } 2081 folder.animateClosed(); 2082 } 2083 2084 public boolean onLongClick(View v) { 2085 2086 if (mState != State.WORKSPACE) { 2087 return false; 2088 } 2089 2090 if (isWorkspaceLocked()) { 2091 return false; 2092 } 2093 2094 if (!(v instanceof CellLayout)) { 2095 v = (View) v.getParent().getParent(); 2096 } 2097 2098 resetAddInfo(); 2099 CellLayout.CellInfo longClickCellInfo = (CellLayout.CellInfo) v.getTag(); 2100 // This happens when long clicking an item with the dpad/trackball 2101 if (longClickCellInfo == null) { 2102 return true; 2103 } 2104 2105 // The hotseat touch handling does not go through Workspace, and we always allow long press 2106 // on hotseat items. 2107 final View itemUnderLongClick = longClickCellInfo.cell; 2108 boolean allowLongPress = isHotseatLayout(v) || mWorkspace.allowLongPress(); 2109 if (allowLongPress && !mDragController.isDragging()) { 2110 if (itemUnderLongClick == null) { 2111 // User long pressed on empty space 2112 mWorkspace.performHapticFeedback(HapticFeedbackConstants.LONG_PRESS, 2113 HapticFeedbackConstants.FLAG_IGNORE_VIEW_SETTING); 2114 startWallpaper(); 2115 } else { 2116 if (!(itemUnderLongClick instanceof Folder)) { 2117 // User long pressed on an item 2118 mWorkspace.startDrag(longClickCellInfo); 2119 } 2120 } 2121 } 2122 return true; 2123 } 2124 2125 boolean isHotseatLayout(View layout) { 2126 return mHotseat != null && layout != null && 2127 (layout instanceof CellLayout) && (layout == mHotseat.getLayout()); 2128 } 2129 Hotseat getHotseat() { 2130 return mHotseat; 2131 } 2132 SearchDropTargetBar getSearchBar() { 2133 return mSearchDropTargetBar; 2134 } 2135 2136 /** 2137 * Returns the CellLayout of the specified container at the specified screen. 2138 */ 2139 CellLayout getCellLayout(long container, int screen) { 2140 if (container == LauncherSettings.Favorites.CONTAINER_HOTSEAT) { 2141 if (mHotseat != null) { 2142 return mHotseat.getLayout(); 2143 } else { 2144 return null; 2145 } 2146 } else { 2147 return (CellLayout) mWorkspace.getChildAt(screen); 2148 } 2149 } 2150 2151 Workspace getWorkspace() { 2152 return mWorkspace; 2153 } 2154 2155 // Now a part of LauncherModel.Callbacks. Used to reorder loading steps. 2156 public boolean isAllAppsVisible() { 2157 return (mState == State.APPS_CUSTOMIZE); 2158 } 2159 2160 public boolean isAllAppsButtonRank(int rank) { 2161 return mHotseat.isAllAppsButtonRank(rank); 2162 } 2163 2164 // AllAppsView.Watcher 2165 public void zoomed(float zoom) { 2166 if (zoom == 1.0f) { 2167 mWorkspace.setVisibility(View.GONE); 2168 } 2169 } 2170 2171 /** 2172 * Helper method for the cameraZoomIn/cameraZoomOut animations 2173 * @param view The view being animated 2174 * @param state The state that we are moving in or out of (eg. APPS_CUSTOMIZE) 2175 * @param scaleFactor The scale factor used for the zoom 2176 */ 2177 private void setPivotsForZoom(View view, float scaleFactor) { 2178 view.setPivotX(view.getWidth() / 2.0f); 2179 view.setPivotY(view.getHeight() / 2.0f); 2180 } 2181 2182 void updateWallpaperVisibility(boolean visible) { 2183 int wpflags = visible ? WindowManager.LayoutParams.FLAG_SHOW_WALLPAPER : 0; 2184 int curflags = getWindow().getAttributes().flags 2185 & WindowManager.LayoutParams.FLAG_SHOW_WALLPAPER; 2186 if (wpflags != curflags) { 2187 getWindow().setFlags(wpflags, WindowManager.LayoutParams.FLAG_SHOW_WALLPAPER); 2188 } 2189 } 2190 2191 private void dispatchOnLauncherTransitionPrepare(View v, boolean animated, boolean toWorkspace) { 2192 if (v instanceof LauncherTransitionable) { 2193 ((LauncherTransitionable) v).onLauncherTransitionPrepare(this, animated, toWorkspace); 2194 } 2195 } 2196 2197 private void dispatchOnLauncherTransitionStart(View v, boolean animated, boolean toWorkspace) { 2198 if (v instanceof LauncherTransitionable) { 2199 ((LauncherTransitionable) v).onLauncherTransitionStart(this, animated, toWorkspace); 2200 } 2201 2202 // Update the workspace transition step as well 2203 dispatchOnLauncherTransitionStep(v, 0f); 2204 } 2205 2206 private void dispatchOnLauncherTransitionStep(View v, float t) { 2207 if (v instanceof LauncherTransitionable) { 2208 ((LauncherTransitionable) v).onLauncherTransitionStep(this, t); 2209 } 2210 } 2211 2212 private void dispatchOnLauncherTransitionEnd(View v, boolean animated, boolean toWorkspace) { 2213 if (v instanceof LauncherTransitionable) { 2214 ((LauncherTransitionable) v).onLauncherTransitionEnd(this, animated, toWorkspace); 2215 } 2216 2217 // Update the workspace transition step as well 2218 dispatchOnLauncherTransitionStep(v, 1f); 2219 } 2220 2221 /** 2222 * Things to test when changing the following seven functions. 2223 * - Home from workspace 2224 * - from center screen 2225 * - from other screens 2226 * - Home from all apps 2227 * - from center screen 2228 * - from other screens 2229 * - Back from all apps 2230 * - from center screen 2231 * - from other screens 2232 * - Launch app from workspace and quit 2233 * - with back 2234 * - with home 2235 * - Launch app from all apps and quit 2236 * - with back 2237 * - with home 2238 * - Go to a screen that's not the default, then all 2239 * apps, and launch and app, and go back 2240 * - with back 2241 * -with home 2242 * - On workspace, long press power and go back 2243 * - with back 2244 * - with home 2245 * - On all apps, long press power and go back 2246 * - with back 2247 * - with home 2248 * - On workspace, power off 2249 * - On all apps, power off 2250 * - Launch an app and turn off the screen while in that app 2251 * - Go back with home key 2252 * - Go back with back key TODO: make this not go to workspace 2253 * - From all apps 2254 * - From workspace 2255 * - Enter and exit car mode (becuase it causes an extra configuration changed) 2256 * - From all apps 2257 * - From the center workspace 2258 * - From another workspace 2259 */ 2260 2261 /** 2262 * Zoom the camera out from the workspace to reveal 'toView'. 2263 * Assumes that the view to show is anchored at either the very top or very bottom 2264 * of the screen. 2265 */ 2266 private void showAppsCustomizeHelper(final boolean animated, final boolean springLoaded) { 2267 if (mStateAnimation != null) { 2268 mStateAnimation.cancel(); 2269 mStateAnimation = null; 2270 } 2271 final Resources res = getResources(); 2272 2273 final int duration = res.getInteger(R.integer.config_appsCustomizeZoomInTime); 2274 final int fadeDuration = res.getInteger(R.integer.config_appsCustomizeFadeInTime); 2275 final float scale = (float) res.getInteger(R.integer.config_appsCustomizeZoomScaleFactor); 2276 final View fromView = mWorkspace; 2277 final AppsCustomizeTabHost toView = mAppsCustomizeTabHost; 2278 final int startDelay = 2279 res.getInteger(R.integer.config_workspaceAppsCustomizeAnimationStagger); 2280 2281 setPivotsForZoom(toView, scale); 2282 2283 // Shrink workspaces away if going to AppsCustomize from workspace 2284 Animator workspaceAnim = 2285 mWorkspace.getChangeStateAnimation(Workspace.State.SMALL, animated); 2286 2287 if (animated) { 2288 toView.setScaleX(scale); 2289 toView.setScaleY(scale); 2290 final LauncherViewPropertyAnimator scaleAnim = new LauncherViewPropertyAnimator(toView); 2291 scaleAnim. 2292 scaleX(1f).scaleY(1f). 2293 setDuration(duration). 2294 setInterpolator(new Workspace.ZoomOutInterpolator()); 2295 2296 toView.setVisibility(View.VISIBLE); 2297 toView.setAlpha(0f); 2298 final ObjectAnimator alphaAnim = ObjectAnimator 2299 .ofFloat(toView, "alpha", 0f, 1f) 2300 .setDuration(fadeDuration); 2301 alphaAnim.setInterpolator(new DecelerateInterpolator(1.5f)); 2302 alphaAnim.addUpdateListener(new AnimatorUpdateListener() { 2303 @Override 2304 public void onAnimationUpdate(ValueAnimator animation) { 2305 float t = (Float) animation.getAnimatedValue(); 2306 dispatchOnLauncherTransitionStep(fromView, t); 2307 dispatchOnLauncherTransitionStep(toView, t); 2308 } 2309 }); 2310 2311 // toView should appear right at the end of the workspace shrink 2312 // animation 2313 mStateAnimation = new AnimatorSet(); 2314 mStateAnimation.play(scaleAnim).after(startDelay); 2315 mStateAnimation.play(alphaAnim).after(startDelay); 2316 2317 mStateAnimation.addListener(new AnimatorListenerAdapter() { 2318 boolean animationCancelled = false; 2319 2320 @Override 2321 public void onAnimationStart(Animator animation) { 2322 updateWallpaperVisibility(true); 2323 // Prepare the position 2324 toView.setTranslationX(0.0f); 2325 toView.setTranslationY(0.0f); 2326 toView.setVisibility(View.VISIBLE); 2327 toView.bringToFront(); 2328 } 2329 @Override 2330 public void onAnimationEnd(Animator animation) { 2331 dispatchOnLauncherTransitionEnd(fromView, animated, false); 2332 dispatchOnLauncherTransitionEnd(toView, animated, false); 2333 2334 if (!springLoaded && !LauncherApplication.isScreenLarge()) { 2335 // Hide the workspace scrollbar 2336 mWorkspace.hideScrollingIndicator(true); 2337 hideDockDivider(); 2338 } 2339 if (!animationCancelled) { 2340 updateWallpaperVisibility(false); 2341 } 2342 } 2343 2344 @Override 2345 public void onAnimationCancel(Animator animation) { 2346 animationCancelled = true; 2347 } 2348 }); 2349 2350 if (workspaceAnim != null) { 2351 mStateAnimation.play(workspaceAnim); 2352 } 2353 2354 boolean delayAnim = false; 2355 final ViewTreeObserver observer; 2356 2357 dispatchOnLauncherTransitionPrepare(fromView, animated, false); 2358 dispatchOnLauncherTransitionPrepare(toView, animated, false); 2359 2360 // If any of the objects being animated haven't been measured/laid out 2361 // yet, delay the animation until we get a layout pass 2362 if ((((LauncherTransitionable) toView).getContent().getMeasuredWidth() == 0) || 2363 (mWorkspace.getMeasuredWidth() == 0) || 2364 (toView.getMeasuredWidth() == 0)) { 2365 observer = mWorkspace.getViewTreeObserver(); 2366 delayAnim = true; 2367 } else { 2368 observer = null; 2369 } 2370 2371 if (delayAnim) { 2372 final AnimatorSet stateAnimation = mStateAnimation; 2373 final OnGlobalLayoutListener delayedStart = new OnGlobalLayoutListener() { 2374 public void onGlobalLayout() { 2375 mWorkspace.post(new Runnable() { 2376 public void run() { 2377 // Check that mStateAnimation hasn't changed while 2378 // we waited for a layout pass 2379 if (mStateAnimation == stateAnimation) { 2380 // Need to update pivots for zoom if layout changed 2381 setPivotsForZoom(toView, scale); 2382 dispatchOnLauncherTransitionStart(fromView, animated, false); 2383 dispatchOnLauncherTransitionStart(toView, animated, false); 2384 mStateAnimation.start(); 2385 } 2386 } 2387 }); 2388 observer.removeOnGlobalLayoutListener(this); 2389 } 2390 }; 2391 observer.addOnGlobalLayoutListener(delayedStart); 2392 } else { 2393 setPivotsForZoom(toView, scale); 2394 dispatchOnLauncherTransitionStart(fromView, animated, false); 2395 dispatchOnLauncherTransitionStart(toView, animated, false); 2396 mStateAnimation.start(); 2397 } 2398 } else { 2399 toView.setTranslationX(0.0f); 2400 toView.setTranslationY(0.0f); 2401 toView.setScaleX(1.0f); 2402 toView.setScaleY(1.0f); 2403 toView.setVisibility(View.VISIBLE); 2404 toView.bringToFront(); 2405 2406 if (!springLoaded && !LauncherApplication.isScreenLarge()) { 2407 // Hide the workspace scrollbar 2408 mWorkspace.hideScrollingIndicator(true); 2409 hideDockDivider(); 2410 } 2411 dispatchOnLauncherTransitionPrepare(fromView, animated, false); 2412 dispatchOnLauncherTransitionStart(fromView, animated, false); 2413 dispatchOnLauncherTransitionEnd(fromView, animated, false); 2414 dispatchOnLauncherTransitionPrepare(toView, animated, false); 2415 dispatchOnLauncherTransitionStart(toView, animated, false); 2416 dispatchOnLauncherTransitionEnd(toView, animated, false); 2417 updateWallpaperVisibility(false); 2418 } 2419 } 2420 2421 /** 2422 * Zoom the camera back into the workspace, hiding 'fromView'. 2423 * This is the opposite of showAppsCustomizeHelper. 2424 * @param animated If true, the transition will be animated. 2425 */ 2426 private void hideAppsCustomizeHelper(State toState, final boolean animated, 2427 final boolean springLoaded, final Runnable onCompleteRunnable) { 2428 2429 if (mStateAnimation != null) { 2430 mStateAnimation.cancel(); 2431 mStateAnimation = null; 2432 } 2433 Resources res = getResources(); 2434 2435 final int duration = res.getInteger(R.integer.config_appsCustomizeZoomOutTime); 2436 final int fadeOutDuration = 2437 res.getInteger(R.integer.config_appsCustomizeFadeOutTime); 2438 final float scaleFactor = (float) 2439 res.getInteger(R.integer.config_appsCustomizeZoomScaleFactor); 2440 final View fromView = mAppsCustomizeTabHost; 2441 final View toView = mWorkspace; 2442 Animator workspaceAnim = null; 2443 2444 if (toState == State.WORKSPACE) { 2445 int stagger = res.getInteger(R.integer.config_appsCustomizeWorkspaceAnimationStagger); 2446 workspaceAnim = mWorkspace.getChangeStateAnimation( 2447 Workspace.State.NORMAL, animated, stagger); 2448 } else if (toState == State.APPS_CUSTOMIZE_SPRING_LOADED) { 2449 workspaceAnim = mWorkspace.getChangeStateAnimation( 2450 Workspace.State.SPRING_LOADED, animated); 2451 } 2452 2453 setPivotsForZoom(fromView, scaleFactor); 2454 updateWallpaperVisibility(true); 2455 showHotseat(animated); 2456 if (animated) { 2457 final LauncherViewPropertyAnimator scaleAnim = 2458 new LauncherViewPropertyAnimator(fromView); 2459 scaleAnim. 2460 scaleX(scaleFactor).scaleY(scaleFactor). 2461 setDuration(duration). 2462 setInterpolator(new Workspace.ZoomInInterpolator()); 2463 2464 final ObjectAnimator alphaAnim = ObjectAnimator 2465 .ofFloat(fromView, "alpha", 1f, 0f) 2466 .setDuration(fadeOutDuration); 2467 alphaAnim.setInterpolator(new AccelerateDecelerateInterpolator()); 2468 alphaAnim.addUpdateListener(new AnimatorUpdateListener() { 2469 @Override 2470 public void onAnimationUpdate(ValueAnimator animation) { 2471 float t = 1f - (Float) animation.getAnimatedValue(); 2472 dispatchOnLauncherTransitionStep(fromView, t); 2473 dispatchOnLauncherTransitionStep(toView, t); 2474 } 2475 }); 2476 2477 mStateAnimation = new AnimatorSet(); 2478 2479 dispatchOnLauncherTransitionPrepare(fromView, animated, true); 2480 dispatchOnLauncherTransitionPrepare(toView, animated, true); 2481 2482 mStateAnimation.addListener(new AnimatorListenerAdapter() { 2483 @Override 2484 public void onAnimationEnd(Animator animation) { 2485 updateWallpaperVisibility(true); 2486 fromView.setVisibility(View.GONE); 2487 dispatchOnLauncherTransitionEnd(fromView, animated, true); 2488 dispatchOnLauncherTransitionEnd(toView, animated, true); 2489 if (mWorkspace != null) { 2490 mWorkspace.hideScrollingIndicator(false); 2491 } 2492 if (onCompleteRunnable != null) { 2493 onCompleteRunnable.run(); 2494 } 2495 } 2496 }); 2497 2498 mStateAnimation.playTogether(scaleAnim, alphaAnim); 2499 if (workspaceAnim != null) { 2500 mStateAnimation.play(workspaceAnim); 2501 } 2502 dispatchOnLauncherTransitionStart(fromView, animated, true); 2503 dispatchOnLauncherTransitionStart(toView, animated, true); 2504 mStateAnimation.start(); 2505 } else { 2506 fromView.setVisibility(View.GONE); 2507 dispatchOnLauncherTransitionPrepare(fromView, animated, true); 2508 dispatchOnLauncherTransitionStart(fromView, animated, true); 2509 dispatchOnLauncherTransitionEnd(fromView, animated, true); 2510 dispatchOnLauncherTransitionPrepare(toView, animated, true); 2511 dispatchOnLauncherTransitionStart(toView, animated, true); 2512 dispatchOnLauncherTransitionEnd(toView, animated, true); 2513 mWorkspace.hideScrollingIndicator(false); 2514 } 2515 } 2516 2517 @Override 2518 public void onTrimMemory(int level) { 2519 super.onTrimMemory(level); 2520 if (level >= ComponentCallbacks2.TRIM_MEMORY_MODERATE) { 2521 mAppsCustomizeTabHost.onTrimMemory(); 2522 } 2523 } 2524 2525 void showWorkspace(boolean animated) { 2526 showWorkspace(animated, null); 2527 } 2528 2529 void showWorkspace(boolean animated, Runnable onCompleteRunnable) { 2530 if (mState != State.WORKSPACE) { 2531 mWorkspace.setVisibility(View.VISIBLE); 2532 hideAppsCustomizeHelper(State.WORKSPACE, animated, false, onCompleteRunnable); 2533 2534 // Show the search bar and hotseat 2535 mSearchDropTargetBar.showSearchBar(animated); 2536 // We only need to animate in the dock divider if we're going from spring loaded mode 2537 showDockDivider(animated && mState == State.APPS_CUSTOMIZE_SPRING_LOADED); 2538 2539 // Set focus to the AppsCustomize button 2540 if (mAllAppsButton != null) { 2541 mAllAppsButton.requestFocus(); 2542 } 2543 } 2544 2545 mWorkspace.flashScrollingIndicator(animated); 2546 2547 // Change the state *after* we've called all the transition code 2548 mState = State.WORKSPACE; 2549 2550 // Resume the auto-advance of widgets 2551 mUserPresent = true; 2552 updateRunning(); 2553 2554 // send an accessibility event to announce the context change 2555 getWindow().getDecorView().sendAccessibilityEvent(AccessibilityEvent.TYPE_VIEW_SELECTED); 2556 } 2557 2558 void showAllApps(boolean animated) { 2559 if (mState != State.WORKSPACE) return; 2560 2561 showAppsCustomizeHelper(animated, false); 2562 mAppsCustomizeTabHost.requestFocus(); 2563 2564 // Hide the search bar and hotseat 2565 mSearchDropTargetBar.hideSearchBar(animated); 2566 2567 // Change the state *after* we've called all the transition code 2568 mState = State.APPS_CUSTOMIZE; 2569 2570 // Pause the auto-advance of widgets until we are out of AllApps 2571 mUserPresent = false; 2572 updateRunning(); 2573 closeFolder(); 2574 2575 // Send an accessibility event to announce the context change 2576 getWindow().getDecorView().sendAccessibilityEvent(AccessibilityEvent.TYPE_VIEW_SELECTED); 2577 } 2578 2579 void enterSpringLoadedDragMode() { 2580 if (mState == State.APPS_CUSTOMIZE) { 2581 hideAppsCustomizeHelper(State.APPS_CUSTOMIZE_SPRING_LOADED, true, true, null); 2582 hideDockDivider(); 2583 mState = State.APPS_CUSTOMIZE_SPRING_LOADED; 2584 } 2585 } 2586 2587 void exitSpringLoadedDragModeDelayed(final boolean successfulDrop, boolean extendedDelay, 2588 final Runnable onCompleteRunnable) { 2589 if (mState != State.APPS_CUSTOMIZE_SPRING_LOADED) return; 2590 2591 mHandler.postDelayed(new Runnable() { 2592 @Override 2593 public void run() { 2594 if (successfulDrop) { 2595 // Before we show workspace, hide all apps again because 2596 // exitSpringLoadedDragMode made it visible. This is a bit hacky; we should 2597 // clean up our state transition functions 2598 mAppsCustomizeTabHost.setVisibility(View.GONE); 2599 mSearchDropTargetBar.showSearchBar(true); 2600 showWorkspace(true, onCompleteRunnable); 2601 } else { 2602 exitSpringLoadedDragMode(); 2603 } 2604 } 2605 }, (extendedDelay ? 2606 EXIT_SPRINGLOADED_MODE_LONG_TIMEOUT : 2607 EXIT_SPRINGLOADED_MODE_SHORT_TIMEOUT)); 2608 } 2609 2610 void exitSpringLoadedDragMode() { 2611 if (mState == State.APPS_CUSTOMIZE_SPRING_LOADED) { 2612 final boolean animated = true; 2613 final boolean springLoaded = true; 2614 showAppsCustomizeHelper(animated, springLoaded); 2615 mState = State.APPS_CUSTOMIZE; 2616 } 2617 // Otherwise, we are not in spring loaded mode, so don't do anything. 2618 } 2619 2620 void hideDockDivider() { 2621 if (mQsbDivider != null && mDockDivider != null) { 2622 mQsbDivider.setVisibility(View.INVISIBLE); 2623 mDockDivider.setVisibility(View.INVISIBLE); 2624 } 2625 } 2626 2627 void showDockDivider(boolean animated) { 2628 if (mQsbDivider != null && mDockDivider != null) { 2629 mQsbDivider.setVisibility(View.VISIBLE); 2630 mDockDivider.setVisibility(View.VISIBLE); 2631 if (mDividerAnimator != null) { 2632 mDividerAnimator.cancel(); 2633 mQsbDivider.setAlpha(1f); 2634 mDockDivider.setAlpha(1f); 2635 mDividerAnimator = null; 2636 } 2637 if (animated) { 2638 mDividerAnimator = new AnimatorSet(); 2639 mDividerAnimator.playTogether(ObjectAnimator.ofFloat(mQsbDivider, "alpha", 1f), 2640 ObjectAnimator.ofFloat(mDockDivider, "alpha", 1f)); 2641 mDividerAnimator.setDuration(mSearchDropTargetBar.getTransitionInDuration()); 2642 mDividerAnimator.start(); 2643 } 2644 } 2645 } 2646 2647 void lockAllApps() { 2648 // TODO 2649 } 2650 2651 void unlockAllApps() { 2652 // TODO 2653 } 2654 2655 public boolean isAllAppsCustomizeOpen() { 2656 return mState == State.APPS_CUSTOMIZE; 2657 } 2658 2659 /** 2660 * Shows the hotseat area. 2661 */ 2662 void showHotseat(boolean animated) { 2663 if (!LauncherApplication.isScreenLarge()) { 2664 if (animated) { 2665 if (mHotseat.getAlpha() != 1f) { 2666 int duration = mSearchDropTargetBar.getTransitionInDuration(); 2667 mHotseat.animate().alpha(1f).setDuration(duration); 2668 } 2669 } else { 2670 mHotseat.setAlpha(1f); 2671 } 2672 } 2673 } 2674 2675 /** 2676 * Hides the hotseat area. 2677 */ 2678 void hideHotseat(boolean animated) { 2679 if (!LauncherApplication.isScreenLarge()) { 2680 if (animated) { 2681 if (mHotseat.getAlpha() != 0f) { 2682 int duration = mSearchDropTargetBar.getTransitionOutDuration(); 2683 mHotseat.animate().alpha(0f).setDuration(duration); 2684 } 2685 } else { 2686 mHotseat.setAlpha(0f); 2687 } 2688 } 2689 } 2690 2691 /** 2692 * Add an item from all apps or customize onto the given workspace screen. 2693 * If layout is null, add to the current screen. 2694 */ 2695 void addExternalItemToScreen(ItemInfo itemInfo, final CellLayout layout) { 2696 if (!mWorkspace.addExternalItemToScreen(itemInfo, layout)) { 2697 showOutOfSpaceMessage(isHotseatLayout(layout)); 2698 } 2699 } 2700 2701 /** Maps the current orientation to an index for referencing orientation correct global icons */ 2702 private int getCurrentOrientationIndexForGlobalIcons() { 2703 // default - 0, landscape - 1 2704 switch (getResources().getConfiguration().orientation) { 2705 case Configuration.ORIENTATION_LANDSCAPE: 2706 return 1; 2707 default: 2708 return 0; 2709 } 2710 } 2711 2712 private Drawable getExternalPackageToolbarIcon(ComponentName activityName, String resourceName) { 2713 try { 2714 PackageManager packageManager = getPackageManager(); 2715 // Look for the toolbar icon specified in the activity meta-data 2716 Bundle metaData = packageManager.getActivityInfo( 2717 activityName, PackageManager.GET_META_DATA).metaData; 2718 if (metaData != null) { 2719 int iconResId = metaData.getInt(resourceName); 2720 if (iconResId != 0) { 2721 Resources res = packageManager.getResourcesForActivity(activityName); 2722 return res.getDrawable(iconResId); 2723 } 2724 } 2725 } catch (NameNotFoundException e) { 2726 // This can happen if the activity defines an invalid drawable 2727 Log.w(TAG, "Failed to load toolbar icon; " + activityName.flattenToShortString() + 2728 " not found", e); 2729 } catch (Resources.NotFoundException nfe) { 2730 // This can happen if the activity defines an invalid drawable 2731 Log.w(TAG, "Failed to load toolbar icon from " + activityName.flattenToShortString(), 2732 nfe); 2733 } 2734 return null; 2735 } 2736 2737 // if successful in getting icon, return it; otherwise, set button to use default drawable 2738 private Drawable.ConstantState updateTextButtonWithIconFromExternalActivity( 2739 int buttonId, ComponentName activityName, int fallbackDrawableId, 2740 String toolbarResourceName) { 2741 Drawable toolbarIcon = getExternalPackageToolbarIcon(activityName, toolbarResourceName); 2742 Resources r = getResources(); 2743 int w = r.getDimensionPixelSize(R.dimen.toolbar_external_icon_width); 2744 int h = r.getDimensionPixelSize(R.dimen.toolbar_external_icon_height); 2745 2746 TextView button = (TextView) findViewById(buttonId); 2747 // If we were unable to find the icon via the meta-data, use a generic one 2748 if (toolbarIcon == null) { 2749 toolbarIcon = r.getDrawable(fallbackDrawableId); 2750 toolbarIcon.setBounds(0, 0, w, h); 2751 if (button != null) { 2752 button.setCompoundDrawables(toolbarIcon, null, null, null); 2753 } 2754 return null; 2755 } else { 2756 toolbarIcon.setBounds(0, 0, w, h); 2757 if (button != null) { 2758 button.setCompoundDrawables(toolbarIcon, null, null, null); 2759 } 2760 return toolbarIcon.getConstantState(); 2761 } 2762 } 2763 2764 // if successful in getting icon, return it; otherwise, set button to use default drawable 2765 private Drawable.ConstantState updateButtonWithIconFromExternalActivity( 2766 int buttonId, ComponentName activityName, int fallbackDrawableId, 2767 String toolbarResourceName) { 2768 ImageView button = (ImageView) findViewById(buttonId); 2769 Drawable toolbarIcon = getExternalPackageToolbarIcon(activityName, toolbarResourceName); 2770 2771 if (button != null) { 2772 // If we were unable to find the icon via the meta-data, use a 2773 // generic one 2774 if (toolbarIcon == null) { 2775 button.setImageResource(fallbackDrawableId); 2776 } else { 2777 button.setImageDrawable(toolbarIcon); 2778 } 2779 } 2780 2781 return toolbarIcon != null ? toolbarIcon.getConstantState() : null; 2782 2783 } 2784 2785 private void updateTextButtonWithDrawable(int buttonId, Drawable.ConstantState d) { 2786 TextView button = (TextView) findViewById(buttonId); 2787 button.setCompoundDrawables(d.newDrawable(getResources()), null, null, null); 2788 } 2789 2790 private void updateButtonWithDrawable(int buttonId, Drawable.ConstantState d) { 2791 ImageView button = (ImageView) findViewById(buttonId); 2792 button.setImageDrawable(d.newDrawable(getResources())); 2793 } 2794 2795 private void invalidatePressedFocusedStates(View container, View button) { 2796 if (container instanceof HolographicLinearLayout) { 2797 HolographicLinearLayout layout = (HolographicLinearLayout) container; 2798 layout.invalidatePressedFocusedStates(); 2799 } else if (button instanceof HolographicImageView) { 2800 HolographicImageView view = (HolographicImageView) button; 2801 view.invalidatePressedFocusedStates(); 2802 } 2803 } 2804 2805 private boolean updateGlobalSearchIcon() { 2806 final View searchButtonContainer = findViewById(R.id.search_button_container); 2807 final ImageView searchButton = (ImageView) findViewById(R.id.search_button); 2808 final View searchDivider = findViewById(R.id.search_divider); 2809 final View voiceButtonContainer = findViewById(R.id.voice_button_container); 2810 final View voiceButton = findViewById(R.id.voice_button); 2811 final View voiceButtonProxy = findViewById(R.id.voice_button_proxy); 2812 2813 final SearchManager searchManager = 2814 (SearchManager) getSystemService(Context.SEARCH_SERVICE); 2815 ComponentName activityName = searchManager.getGlobalSearchActivity(); 2816 if (activityName != null) { 2817 int coi = getCurrentOrientationIndexForGlobalIcons(); 2818 sGlobalSearchIcon[coi] = updateButtonWithIconFromExternalActivity( 2819 R.id.search_button, activityName, R.drawable.ic_home_search_normal_holo, 2820 TOOLBAR_SEARCH_ICON_METADATA_NAME); 2821 if (sGlobalSearchIcon[coi] == null) { 2822 sGlobalSearchIcon[coi] = updateButtonWithIconFromExternalActivity( 2823 R.id.search_button, activityName, R.drawable.ic_home_search_normal_holo, 2824 TOOLBAR_ICON_METADATA_NAME); 2825 } 2826 2827 if (searchDivider != null) searchDivider.setVisibility(View.VISIBLE); 2828 if (searchButtonContainer != null) searchButtonContainer.setVisibility(View.VISIBLE); 2829 searchButton.setVisibility(View.VISIBLE); 2830 invalidatePressedFocusedStates(searchButtonContainer, searchButton); 2831 return true; 2832 } else { 2833 // We disable both search and voice search when there is no global search provider 2834 if (searchDivider != null) searchDivider.setVisibility(View.GONE); 2835 if (searchButtonContainer != null) searchButtonContainer.setVisibility(View.GONE); 2836 if (voiceButtonContainer != null) voiceButtonContainer.setVisibility(View.GONE); 2837 searchButton.setVisibility(View.GONE); 2838 voiceButton.setVisibility(View.GONE); 2839 if (voiceButtonProxy != null) { 2840 voiceButtonProxy.setVisibility(View.GONE); 2841 } 2842 return false; 2843 } 2844 } 2845 2846 private void updateGlobalSearchIcon(Drawable.ConstantState d) { 2847 final View searchButtonContainer = findViewById(R.id.search_button_container); 2848 final View searchButton = (ImageView) findViewById(R.id.search_button); 2849 updateButtonWithDrawable(R.id.search_button, d); 2850 invalidatePressedFocusedStates(searchButtonContainer, searchButton); 2851 } 2852 2853 private boolean updateVoiceSearchIcon(boolean searchVisible) { 2854 final View searchDivider = findViewById(R.id.search_divider); 2855 final View voiceButtonContainer = findViewById(R.id.voice_button_container); 2856 final View voiceButton = findViewById(R.id.voice_button); 2857 final View voiceButtonProxy = findViewById(R.id.voice_button_proxy); 2858 2859 // We only show/update the voice search icon if the search icon is enabled as well 2860 final SearchManager searchManager = 2861 (SearchManager) getSystemService(Context.SEARCH_SERVICE); 2862 ComponentName globalSearchActivity = searchManager.getGlobalSearchActivity(); 2863 2864 ComponentName activityName = null; 2865 if (globalSearchActivity != null) { 2866 // Check if the global search activity handles voice search 2867 Intent intent = new Intent(RecognizerIntent.ACTION_WEB_SEARCH); 2868 intent.setPackage(globalSearchActivity.getPackageName()); 2869 activityName = intent.resolveActivity(getPackageManager()); 2870 } 2871 2872 if (activityName == null) { 2873 // Fallback: check if an activity other than the global search activity 2874 // resolves this 2875 Intent intent = new Intent(RecognizerIntent.ACTION_WEB_SEARCH); 2876 activityName = intent.resolveActivity(getPackageManager()); 2877 } 2878 if (searchVisible && activityName != null) { 2879 int coi = getCurrentOrientationIndexForGlobalIcons(); 2880 sVoiceSearchIcon[coi] = updateButtonWithIconFromExternalActivity( 2881 R.id.voice_button, activityName, R.drawable.ic_home_voice_search_holo, 2882 TOOLBAR_VOICE_SEARCH_ICON_METADATA_NAME); 2883 if (sVoiceSearchIcon[coi] == null) { 2884 sVoiceSearchIcon[coi] = updateButtonWithIconFromExternalActivity( 2885 R.id.voice_button, activityName, R.drawable.ic_home_voice_search_holo, 2886 TOOLBAR_ICON_METADATA_NAME); 2887 } 2888 if (searchDivider != null) searchDivider.setVisibility(View.VISIBLE); 2889 if (voiceButtonContainer != null) voiceButtonContainer.setVisibility(View.VISIBLE); 2890 voiceButton.setVisibility(View.VISIBLE); 2891 if (voiceButtonProxy != null) { 2892 voiceButtonProxy.setVisibility(View.VISIBLE); 2893 } 2894 invalidatePressedFocusedStates(voiceButtonContainer, voiceButton); 2895 return true; 2896 } else { 2897 if (searchDivider != null) searchDivider.setVisibility(View.GONE); 2898 if (voiceButtonContainer != null) voiceButtonContainer.setVisibility(View.GONE); 2899 voiceButton.setVisibility(View.GONE); 2900 if (voiceButtonProxy != null) { 2901 voiceButtonProxy.setVisibility(View.GONE); 2902 } 2903 return false; 2904 } 2905 } 2906 2907 private void updateVoiceSearchIcon(Drawable.ConstantState d) { 2908 final View voiceButtonContainer = findViewById(R.id.voice_button_container); 2909 final View voiceButton = findViewById(R.id.voice_button); 2910 updateButtonWithDrawable(R.id.voice_button, d); 2911 invalidatePressedFocusedStates(voiceButtonContainer, voiceButton); 2912 } 2913 2914 /** 2915 * Sets the app market icon 2916 */ 2917 private void updateAppMarketIcon() { 2918 final View marketButton = findViewById(R.id.market_button); 2919 Intent intent = new Intent(Intent.ACTION_MAIN).addCategory(Intent.CATEGORY_APP_MARKET); 2920 // Find the app market activity by resolving an intent. 2921 // (If multiple app markets are installed, it will return the ResolverActivity.) 2922 ComponentName activityName = intent.resolveActivity(getPackageManager()); 2923 if (activityName != null) { 2924 int coi = getCurrentOrientationIndexForGlobalIcons(); 2925 mAppMarketIntent = intent; 2926 sAppMarketIcon[coi] = updateTextButtonWithIconFromExternalActivity( 2927 R.id.market_button, activityName, R.drawable.ic_launcher_market_holo, 2928 TOOLBAR_ICON_METADATA_NAME); 2929 marketButton.setVisibility(View.VISIBLE); 2930 } else { 2931 // We should hide and disable the view so that we don't try and restore the visibility 2932 // of it when we swap between drag & normal states from IconDropTarget subclasses. 2933 marketButton.setVisibility(View.GONE); 2934 marketButton.setEnabled(false); 2935 } 2936 } 2937 2938 private void updateAppMarketIcon(Drawable.ConstantState d) { 2939 updateTextButtonWithDrawable(R.id.market_button, d); 2940 } 2941 2942 @Override 2943 public boolean dispatchPopulateAccessibilityEvent(AccessibilityEvent event) { 2944 boolean result = super.dispatchPopulateAccessibilityEvent(event); 2945 final List<CharSequence> text = event.getText(); 2946 text.clear(); 2947 text.add(getString(R.string.home)); 2948 return result; 2949 } 2950 2951 /** 2952 * Receives notifications when system dialogs are to be closed. 2953 */ 2954 private class CloseSystemDialogsIntentReceiver extends BroadcastReceiver { 2955 @Override 2956 public void onReceive(Context context, Intent intent) { 2957 closeSystemDialogs(); 2958 } 2959 } 2960 2961 /** 2962 * Receives notifications whenever the appwidgets are reset. 2963 */ 2964 private class AppWidgetResetObserver extends ContentObserver { 2965 public AppWidgetResetObserver() { 2966 super(new Handler()); 2967 } 2968 2969 @Override 2970 public void onChange(boolean selfChange) { 2971 onAppWidgetReset(); 2972 } 2973 } 2974 2975 /** 2976 * If the activity is currently paused, signal that we need to re-run the loader 2977 * in onResume. 2978 * 2979 * This needs to be called from incoming places where resources might have been loaded 2980 * while we are paused. That is becaues the Configuration might be wrong 2981 * when we're not running, and if it comes back to what it was when we 2982 * were paused, we are not restarted. 2983 * 2984 * Implementation of the method from LauncherModel.Callbacks. 2985 * 2986 * @return true if we are currently paused. The caller might be able to 2987 * skip some work in that case since we will come back again. 2988 */ 2989 public boolean setLoadOnResume() { 2990 if (mPaused) { 2991 Log.i(TAG, "setLoadOnResume"); 2992 mOnResumeNeedsLoad = true; 2993 return true; 2994 } else { 2995 return false; 2996 } 2997 } 2998 2999 /** 3000 * Implementation of the method from LauncherModel.Callbacks. 3001 */ 3002 public int getCurrentWorkspaceScreen() { 3003 if (mWorkspace != null) { 3004 return mWorkspace.getCurrentPage(); 3005 } else { 3006 return SCREEN_COUNT / 2; 3007 } 3008 } 3009 3010 /** 3011 * Refreshes the shortcuts shown on the workspace. 3012 * 3013 * Implementation of the method from LauncherModel.Callbacks. 3014 */ 3015 public void startBinding() { 3016 final Workspace workspace = mWorkspace; 3017 3018 mNewShortcutAnimatePage = -1; 3019 mNewShortcutAnimateViews.clear(); 3020 mWorkspace.clearDropTargets(); 3021 int count = workspace.getChildCount(); 3022 for (int i = 0; i < count; i++) { 3023 // Use removeAllViewsInLayout() to avoid an extra requestLayout() and invalidate(). 3024 final CellLayout layoutParent = (CellLayout) workspace.getChildAt(i); 3025 layoutParent.removeAllViewsInLayout(); 3026 } 3027 mWidgetsToAdvance.clear(); 3028 if (mHotseat != null) { 3029 mHotseat.resetLayout(); 3030 } 3031 } 3032 3033 /** 3034 * Bind the items start-end from the list. 3035 * 3036 * Implementation of the method from LauncherModel.Callbacks. 3037 */ 3038 public void bindItems(ArrayList<ItemInfo> shortcuts, int start, int end) { 3039 setLoadOnResume(); 3040 3041 // Get the list of added shortcuts and intersect them with the set of shortcuts here 3042 Set<String> newApps = new HashSet<String>(); 3043 newApps = mSharedPrefs.getStringSet(InstallShortcutReceiver.NEW_APPS_LIST_KEY, newApps); 3044 3045 Workspace workspace = mWorkspace; 3046 for (int i = start; i < end; i++) { 3047 final ItemInfo item = shortcuts.get(i); 3048 3049 // Short circuit if we are loading dock items for a configuration which has no dock 3050 if (item.container == LauncherSettings.Favorites.CONTAINER_HOTSEAT && 3051 mHotseat == null) { 3052 continue; 3053 } 3054 3055 switch (item.itemType) { 3056 case LauncherSettings.Favorites.ITEM_TYPE_APPLICATION: 3057 case LauncherSettings.Favorites.ITEM_TYPE_SHORTCUT: 3058 ShortcutInfo info = (ShortcutInfo) item; 3059 String uri = info.intent.toUri(0).toString(); 3060 View shortcut = createShortcut(info); 3061 workspace.addInScreen(shortcut, item.container, item.screen, item.cellX, 3062 item.cellY, 1, 1, false); 3063 if (newApps.contains(uri)) { 3064 newApps.remove(uri); 3065 3066 // Prepare the view to be animated up 3067 shortcut.setAlpha(0f); 3068 shortcut.setScaleX(0f); 3069 shortcut.setScaleY(0f); 3070 mNewShortcutAnimatePage = item.screen; 3071 if (!mNewShortcutAnimateViews.contains(shortcut)) { 3072 mNewShortcutAnimateViews.add(shortcut); 3073 } 3074 } 3075 break; 3076 case LauncherSettings.Favorites.ITEM_TYPE_FOLDER: 3077 FolderIcon newFolder = FolderIcon.fromXml(R.layout.folder_icon, this, 3078 (ViewGroup) workspace.getChildAt(workspace.getCurrentPage()), 3079 (FolderInfo) item, mIconCache); 3080 workspace.addInScreen(newFolder, item.container, item.screen, item.cellX, 3081 item.cellY, 1, 1, false); 3082 break; 3083 } 3084 } 3085 3086 workspace.requestLayout(); 3087 } 3088 3089 /** 3090 * Implementation of the method from LauncherModel.Callbacks. 3091 */ 3092 public void bindFolders(HashMap<Long, FolderInfo> folders) { 3093 setLoadOnResume(); 3094 sFolders.clear(); 3095 sFolders.putAll(folders); 3096 } 3097 3098 /** 3099 * Add the views for a widget to the workspace. 3100 * 3101 * Implementation of the method from LauncherModel.Callbacks. 3102 */ 3103 public void bindAppWidget(LauncherAppWidgetInfo item) { 3104 setLoadOnResume(); 3105 3106 final long start = DEBUG_WIDGETS ? SystemClock.uptimeMillis() : 0; 3107 if (DEBUG_WIDGETS) { 3108 Log.d(TAG, "bindAppWidget: " + item); 3109 } 3110 final Workspace workspace = mWorkspace; 3111 3112 final int appWidgetId = item.appWidgetId; 3113 final AppWidgetProviderInfo appWidgetInfo = mAppWidgetManager.getAppWidgetInfo(appWidgetId); 3114 if (DEBUG_WIDGETS) { 3115 Log.d(TAG, "bindAppWidget: id=" + item.appWidgetId + " belongs to component " + appWidgetInfo.provider); 3116 } 3117 3118 item.hostView = mAppWidgetHost.createView(this, appWidgetId, appWidgetInfo); 3119 3120 item.hostView.setAppWidget(appWidgetId, appWidgetInfo); 3121 item.hostView.setTag(item); 3122 3123 workspace.addInScreen(item.hostView, item.container, item.screen, item.cellX, 3124 item.cellY, item.spanX, item.spanY, false); 3125 3126 addWidgetToAutoAdvanceIfNeeded(item.hostView, appWidgetInfo); 3127 3128 workspace.requestLayout(); 3129 3130 AppWidgetResizeFrame.updateWidgetSizeRanges(item.hostView, 3131 this, item.spanX, item.spanY); 3132 3133 if (DEBUG_WIDGETS) { 3134 Log.d(TAG, "bound widget id="+item.appWidgetId+" in " 3135 + (SystemClock.uptimeMillis()-start) + "ms"); 3136 } 3137 } 3138 3139 /** 3140 * Callback saying that there aren't any more items to bind. 3141 * 3142 * Implementation of the method from LauncherModel.Callbacks. 3143 */ 3144 public void finishBindingItems() { 3145 setLoadOnResume(); 3146 3147 if (mSavedState != null) { 3148 if (!mWorkspace.hasFocus()) { 3149 mWorkspace.getChildAt(mWorkspace.getCurrentPage()).requestFocus(); 3150 } 3151 mSavedState = null; 3152 } 3153 3154 if (mSavedInstanceState != null) { 3155 super.onRestoreInstanceState(mSavedInstanceState); 3156 mSavedInstanceState = null; 3157 } 3158 3159 // If we received the result of any pending adds while the loader was running (e.g. the 3160 // widget configuration forced an orientation change), process them now. 3161 for (int i = 0; i < sPendingAddList.size(); i++) { 3162 completeAdd(sPendingAddList.get(i)); 3163 } 3164 sPendingAddList.clear(); 3165 3166 // Update the market app icon as necessary (the other icons will be managed in response to 3167 // package changes in bindSearchablesChanged() 3168 updateAppMarketIcon(); 3169 3170 // Animate up any icons as necessary 3171 if (mVisible || mWorkspaceLoading) { 3172 Runnable newAppsRunnable = new Runnable() { 3173 @Override 3174 public void run() { 3175 runNewAppsAnimation(false); 3176 } 3177 }; 3178 3179 boolean willSnapPage = mNewShortcutAnimatePage > -1 && 3180 mNewShortcutAnimatePage != mWorkspace.getCurrentPage(); 3181 if (canRunNewAppsAnimation()) { 3182 // If the user has not interacted recently, then either snap to the new page to show 3183 // the new-apps animation or just run them if they are to appear on the current page 3184 if (willSnapPage) { 3185 mWorkspace.snapToPage(mNewShortcutAnimatePage, newAppsRunnable); 3186 } else { 3187 runNewAppsAnimation(false); 3188 } 3189 } else { 3190 // If the user has interacted recently, then just add the items in place if they 3191 // are on another page (or just normally if they are added to the current page) 3192 runNewAppsAnimation(willSnapPage); 3193 } 3194 } 3195 3196 mWorkspaceLoading = false; 3197 } 3198 3199 private boolean canRunNewAppsAnimation() { 3200 long diff = System.currentTimeMillis() - mDragController.getLastGestureUpTime(); 3201 return diff > (NEW_APPS_ANIMATION_INACTIVE_TIMEOUT_SECONDS * 1000); 3202 } 3203 3204 /** 3205 * Runs a new animation that scales up icons that were added while Launcher was in the 3206 * background. 3207 * 3208 * @param immediate whether to run the animation or show the results immediately 3209 */ 3210 private void runNewAppsAnimation(boolean immediate) { 3211 AnimatorSet anim = new AnimatorSet(); 3212 Collection<Animator> bounceAnims = new ArrayList<Animator>(); 3213 3214 // Order these new views spatially so that they animate in order 3215 Collections.sort(mNewShortcutAnimateViews, new Comparator<View>() { 3216 @Override 3217 public int compare(View a, View b) { 3218 CellLayout.LayoutParams alp = (CellLayout.LayoutParams) a.getLayoutParams(); 3219 CellLayout.LayoutParams blp = (CellLayout.LayoutParams) b.getLayoutParams(); 3220 int cellCountX = LauncherModel.getCellCountX(); 3221 return (alp.cellY * cellCountX + alp.cellX) - (blp.cellY * cellCountX + blp.cellX); 3222 } 3223 }); 3224 3225 // Animate each of the views in place (or show them immediately if requested) 3226 if (immediate) { 3227 for (View v : mNewShortcutAnimateViews) { 3228 v.setAlpha(1f); 3229 v.setScaleX(1f); 3230 v.setScaleY(1f); 3231 } 3232 } else { 3233 for (int i = 0; i < mNewShortcutAnimateViews.size(); ++i) { 3234 View v = mNewShortcutAnimateViews.get(i); 3235 ValueAnimator bounceAnim = ObjectAnimator.ofPropertyValuesHolder(v, 3236 PropertyValuesHolder.ofFloat("alpha", 1f), 3237 PropertyValuesHolder.ofFloat("scaleX", 1f), 3238 PropertyValuesHolder.ofFloat("scaleY", 1f)); 3239 bounceAnim.setDuration(InstallShortcutReceiver.NEW_SHORTCUT_BOUNCE_DURATION); 3240 bounceAnim.setStartDelay(i * InstallShortcutReceiver.NEW_SHORTCUT_STAGGER_DELAY); 3241 bounceAnim.setInterpolator(new SmoothPagedView.OvershootInterpolator()); 3242 bounceAnims.add(bounceAnim); 3243 } 3244 anim.playTogether(bounceAnims); 3245 anim.addListener(new AnimatorListenerAdapter() { 3246 @Override 3247 public void onAnimationEnd(Animator animation) { 3248 mWorkspace.postDelayed(mBuildLayersRunnable, 500); 3249 } 3250 }); 3251 anim.start(); 3252 } 3253 3254 // Clean up 3255 mNewShortcutAnimatePage = -1; 3256 mNewShortcutAnimateViews.clear(); 3257 new Thread("clearNewAppsThread") { 3258 public void run() { 3259 mSharedPrefs.edit() 3260 .putInt(InstallShortcutReceiver.NEW_APPS_PAGE_KEY, -1) 3261 .putStringSet(InstallShortcutReceiver.NEW_APPS_LIST_KEY, null) 3262 .commit(); 3263 } 3264 }.start(); 3265 } 3266 3267 @Override 3268 public void bindSearchablesChanged() { 3269 boolean searchVisible = updateGlobalSearchIcon(); 3270 boolean voiceVisible = updateVoiceSearchIcon(searchVisible); 3271 mSearchDropTargetBar.onSearchPackagesChanged(searchVisible, voiceVisible); 3272 } 3273 3274 /** 3275 * Add the icons for all apps. 3276 * 3277 * Implementation of the method from LauncherModel.Callbacks. 3278 */ 3279 public void bindAllApplications(final ArrayList<ApplicationInfo> apps) { 3280 // Remove the progress bar entirely; we could also make it GONE 3281 // but better to remove it since we know it's not going to be used 3282 View progressBar = mAppsCustomizeTabHost. 3283 findViewById(R.id.apps_customize_progress_bar); 3284 if (progressBar != null) { 3285 ((ViewGroup)progressBar.getParent()).removeView(progressBar); 3286 } 3287 // We just post the call to setApps so the user sees the progress bar 3288 // disappear-- otherwise, it just looks like the progress bar froze 3289 // which doesn't look great 3290 mAppsCustomizeTabHost.post(new Runnable() { 3291 public void run() { 3292 if (mAppsCustomizeContent != null) { 3293 mAppsCustomizeContent.setApps(apps); 3294 } 3295 } 3296 }); 3297 } 3298 3299 /** 3300 * A package was installed. 3301 * 3302 * Implementation of the method from LauncherModel.Callbacks. 3303 */ 3304 public void bindAppsAdded(ArrayList<ApplicationInfo> apps) { 3305 setLoadOnResume(); 3306 3307 if (mAppsCustomizeContent != null) { 3308 mAppsCustomizeContent.addApps(apps); 3309 } 3310 } 3311 3312 /** 3313 * A package was updated. 3314 * 3315 * Implementation of the method from LauncherModel.Callbacks. 3316 */ 3317 public void bindAppsUpdated(ArrayList<ApplicationInfo> apps) { 3318 setLoadOnResume(); 3319 if (mWorkspace != null) { 3320 mWorkspace.updateShortcuts(apps); 3321 } 3322 3323 if (mAppsCustomizeContent != null) { 3324 mAppsCustomizeContent.updateApps(apps); 3325 } 3326 } 3327 3328 /** 3329 * A package was uninstalled. 3330 * 3331 * Implementation of the method from LauncherModel.Callbacks. 3332 */ 3333 public void bindAppsRemoved(ArrayList<ApplicationInfo> apps, boolean permanent) { 3334 if (permanent) { 3335 mWorkspace.removeItems(apps); 3336 } 3337 3338 if (mAppsCustomizeContent != null) { 3339 mAppsCustomizeContent.removeApps(apps); 3340 } 3341 3342 // Notify the drag controller 3343 mDragController.onAppsRemoved(apps, this); 3344 } 3345 3346 /** 3347 * A number of packages were updated. 3348 */ 3349 public void bindPackagesUpdated() { 3350 if (mAppsCustomizeContent != null) { 3351 mAppsCustomizeContent.onPackagesUpdated(); 3352 } 3353 } 3354 3355 private int mapConfigurationOriActivityInfoOri(int configOri) { 3356 final Display d = getWindowManager().getDefaultDisplay(); 3357 int naturalOri = Configuration.ORIENTATION_LANDSCAPE; 3358 switch (d.getRotation()) { 3359 case Surface.ROTATION_0: 3360 case Surface.ROTATION_180: 3361 // We are currently in the same basic orientation as the natural orientation 3362 naturalOri = configOri; 3363 break; 3364 case Surface.ROTATION_90: 3365 case Surface.ROTATION_270: 3366 // We are currently in the other basic orientation to the natural orientation 3367 naturalOri = (configOri == Configuration.ORIENTATION_LANDSCAPE) ? 3368 Configuration.ORIENTATION_PORTRAIT : Configuration.ORIENTATION_LANDSCAPE; 3369 break; 3370 } 3371 3372 int[] oriMap = { 3373 ActivityInfo.SCREEN_ORIENTATION_PORTRAIT, 3374 ActivityInfo.SCREEN_ORIENTATION_LANDSCAPE, 3375 ActivityInfo.SCREEN_ORIENTATION_REVERSE_PORTRAIT, 3376 ActivityInfo.SCREEN_ORIENTATION_REVERSE_LANDSCAPE 3377 }; 3378 // Since the map starts at portrait, we need to offset if this device's natural orientation 3379 // is landscape. 3380 int indexOffset = 0; 3381 if (naturalOri == Configuration.ORIENTATION_LANDSCAPE) { 3382 indexOffset = 1; 3383 } 3384 return oriMap[(d.getRotation() + indexOffset) % 4]; 3385 } 3386 3387 public boolean isRotationEnabled() { 3388 boolean forceEnableRotation = "true".equalsIgnoreCase(SystemProperties.get( 3389 FORCE_ENABLE_ROTATION_PROPERTY, "false")); 3390 boolean enableRotation = forceEnableRotation || 3391 getResources().getBoolean(R.bool.allow_rotation); 3392 return enableRotation; 3393 } 3394 public void lockScreenOrientation() { 3395 if (isRotationEnabled()) { 3396 setRequestedOrientation(mapConfigurationOriActivityInfoOri(getResources() 3397 .getConfiguration().orientation)); 3398 } 3399 } 3400 public void unlockScreenOrientation(boolean immediate) { 3401 if (isRotationEnabled()) { 3402 if (immediate) { 3403 setRequestedOrientation(ActivityInfo.SCREEN_ORIENTATION_UNSPECIFIED); 3404 } else { 3405 mHandler.postDelayed(new Runnable() { 3406 public void run() { 3407 setRequestedOrientation(ActivityInfo.SCREEN_ORIENTATION_UNSPECIFIED); 3408 } 3409 }, mRestoreScreenOrientationDelay); 3410 } 3411 } 3412 } 3413 3414 /* Cling related */ 3415 private boolean isClingsEnabled() { 3416 // disable clings when running in a test harness 3417 if(ActivityManager.isRunningInTestHarness()) return false; 3418 3419 return true; 3420 } 3421 private Cling initCling(int clingId, int[] positionData, boolean animate, int delay) { 3422 Cling cling = (Cling) findViewById(clingId); 3423 if (cling != null) { 3424 cling.init(this, positionData); 3425 cling.setVisibility(View.VISIBLE); 3426 cling.setLayerType(View.LAYER_TYPE_HARDWARE, null); 3427 if (animate) { 3428 cling.buildLayer(); 3429 cling.setAlpha(0f); 3430 cling.animate() 3431 .alpha(1f) 3432 .setInterpolator(new AccelerateInterpolator()) 3433 .setDuration(SHOW_CLING_DURATION) 3434 .setStartDelay(delay) 3435 .start(); 3436 } else { 3437 cling.setAlpha(1f); 3438 } 3439 } 3440 return cling; 3441 } 3442 private void dismissCling(final Cling cling, final String flag, int duration) { 3443 if (cling != null) { 3444 ObjectAnimator anim = ObjectAnimator.ofFloat(cling, "alpha", 0f); 3445 anim.setDuration(duration); 3446 anim.addListener(new AnimatorListenerAdapter() { 3447 public void onAnimationEnd(Animator animation) { 3448 cling.setVisibility(View.GONE); 3449 cling.cleanup(); 3450 // We should update the shared preferences on a background thread 3451 new Thread("dismissClingThread") { 3452 public void run() { 3453 SharedPreferences.Editor editor = mSharedPrefs.edit(); 3454 editor.putBoolean(flag, true); 3455 editor.commit(); 3456 } 3457 }.start(); 3458 }; 3459 }); 3460 anim.start(); 3461 } 3462 } 3463 private void removeCling(int id) { 3464 final View cling = findViewById(id); 3465 if (cling != null) { 3466 final ViewGroup parent = (ViewGroup) cling.getParent(); 3467 parent.post(new Runnable() { 3468 @Override 3469 public void run() { 3470 parent.removeView(cling); 3471 } 3472 }); 3473 } 3474 } 3475 public void showFirstRunWorkspaceCling() { 3476 // Enable the clings only if they have not been dismissed before 3477 if (isClingsEnabled() && 3478 !mSharedPrefs.getBoolean(Cling.WORKSPACE_CLING_DISMISSED_KEY, false)) { 3479 initCling(R.id.workspace_cling, null, false, 0); 3480 } else { 3481 removeCling(R.id.workspace_cling); 3482 } 3483 } 3484 public void showFirstRunAllAppsCling(int[] position) { 3485 // Enable the clings only if they have not been dismissed before 3486 if (isClingsEnabled() && 3487 !mSharedPrefs.getBoolean(Cling.ALLAPPS_CLING_DISMISSED_KEY, false)) { 3488 initCling(R.id.all_apps_cling, position, true, 0); 3489 } else { 3490 removeCling(R.id.all_apps_cling); 3491 } 3492 } 3493 public Cling showFirstRunFoldersCling() { 3494 // Enable the clings only if they have not been dismissed before 3495 if (isClingsEnabled() && 3496 !mSharedPrefs.getBoolean(Cling.FOLDER_CLING_DISMISSED_KEY, false)) { 3497 return initCling(R.id.folder_cling, null, true, 0); 3498 } else { 3499 removeCling(R.id.folder_cling); 3500 return null; 3501 } 3502 } 3503 public boolean isFolderClingVisible() { 3504 Cling cling = (Cling) findViewById(R.id.folder_cling); 3505 if (cling != null) { 3506 return cling.getVisibility() == View.VISIBLE; 3507 } 3508 return false; 3509 } 3510 public void dismissWorkspaceCling(View v) { 3511 Cling cling = (Cling) findViewById(R.id.workspace_cling); 3512 dismissCling(cling, Cling.WORKSPACE_CLING_DISMISSED_KEY, DISMISS_CLING_DURATION); 3513 } 3514 public void dismissAllAppsCling(View v) { 3515 Cling cling = (Cling) findViewById(R.id.all_apps_cling); 3516 dismissCling(cling, Cling.ALLAPPS_CLING_DISMISSED_KEY, DISMISS_CLING_DURATION); 3517 } 3518 public void dismissFolderCling(View v) { 3519 Cling cling = (Cling) findViewById(R.id.folder_cling); 3520 dismissCling(cling, Cling.FOLDER_CLING_DISMISSED_KEY, DISMISS_CLING_DURATION); 3521 } 3522 3523 /** 3524 * Prints out out state for debugging. 3525 */ 3526 public void dumpState() { 3527 Log.d(TAG, "BEGIN launcher2 dump state for launcher " + this); 3528 Log.d(TAG, "mSavedState=" + mSavedState); 3529 Log.d(TAG, "mWorkspaceLoading=" + mWorkspaceLoading); 3530 Log.d(TAG, "mRestoring=" + mRestoring); 3531 Log.d(TAG, "mWaitingForResult=" + mWaitingForResult); 3532 Log.d(TAG, "mSavedInstanceState=" + mSavedInstanceState); 3533 Log.d(TAG, "sFolders.size=" + sFolders.size()); 3534 mModel.dumpState(); 3535 3536 if (mAppsCustomizeContent != null) { 3537 mAppsCustomizeContent.dumpState(); 3538 } 3539 Log.d(TAG, "END launcher2 dump state"); 3540 } 3541 3542 @Override 3543 public void dump(String prefix, FileDescriptor fd, PrintWriter writer, String[] args) { 3544 super.dump(prefix, fd, writer, args); 3545 writer.println(" "); 3546 writer.println("Debug logs: "); 3547 for (int i = 0; i < sDumpLogs.size(); i++) { 3548 writer.println(" " + sDumpLogs.get(i)); 3549 } 3550 } 3551} 3552 3553interface LauncherTransitionable { 3554 View getContent(); 3555 void onLauncherTransitionPrepare(Launcher l, boolean animated, boolean toWorkspace); 3556 void onLauncherTransitionStart(Launcher l, boolean animated, boolean toWorkspace); 3557 void onLauncherTransitionStep(Launcher l, float t); 3558 void onLauncherTransitionEnd(Launcher l, boolean animated, boolean toWorkspace); 3559} 3560