Launcher.java revision a805e1a297c0d1fa84d9fed51e0167aa32bd42bb
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.launcher3; 19 20import android.accounts.Account; 21import android.accounts.AccountManager; 22import android.animation.Animator; 23import android.animation.AnimatorListenerAdapter; 24import android.animation.AnimatorSet; 25import android.animation.ObjectAnimator; 26import android.animation.PropertyValuesHolder; 27import android.animation.ValueAnimator; 28import android.animation.ValueAnimator.AnimatorUpdateListener; 29import android.app.Activity; 30import android.app.ActivityManager; 31import android.app.ActivityOptions; 32import android.app.SearchManager; 33import android.appwidget.AppWidgetHostView; 34import android.appwidget.AppWidgetManager; 35import android.appwidget.AppWidgetProviderInfo; 36import android.content.ActivityNotFoundException; 37import android.content.BroadcastReceiver; 38import android.content.ComponentCallbacks2; 39import android.content.ComponentName; 40import android.content.ContentResolver; 41import android.content.Context; 42import android.content.Intent; 43import android.content.IntentFilter; 44import android.content.SharedPreferences; 45import android.content.pm.ActivityInfo; 46import android.content.pm.PackageManager; 47import android.content.pm.PackageManager.NameNotFoundException; 48import android.content.res.Configuration; 49import android.content.res.Resources; 50import android.database.ContentObserver; 51import android.graphics.Bitmap; 52import android.graphics.Canvas; 53import android.graphics.Point; 54import android.graphics.PorterDuff; 55import android.graphics.Rect; 56import android.graphics.drawable.Drawable; 57import android.net.Uri; 58import android.os.AsyncTask; 59import android.os.Bundle; 60import android.os.Environment; 61import android.os.Handler; 62import android.os.Message; 63import android.os.StrictMode; 64import android.os.SystemClock; 65import android.provider.Settings; 66import android.speech.RecognizerIntent; 67import android.text.Selection; 68import android.text.SpannableStringBuilder; 69import android.text.TextUtils; 70import android.text.method.TextKeyListener; 71import android.util.Log; 72import android.view.Display; 73import android.view.Gravity; 74import android.view.HapticFeedbackConstants; 75import android.view.KeyEvent; 76import android.view.LayoutInflater; 77import android.view.Menu; 78import android.view.MenuItem; 79import android.view.MotionEvent; 80import android.view.Surface; 81import android.view.View; 82import android.view.View.OnClickListener; 83import android.view.View.OnLongClickListener; 84import android.view.ViewGroup; 85import android.view.ViewTreeObserver; 86import android.view.ViewTreeObserver.OnGlobalLayoutListener; 87import android.view.WindowManager; 88import android.view.accessibility.AccessibilityEvent; 89import android.view.animation.AccelerateDecelerateInterpolator; 90import android.view.animation.AccelerateInterpolator; 91import android.view.animation.DecelerateInterpolator; 92import android.view.inputmethod.InputMethodManager; 93import android.widget.Advanceable; 94import android.widget.FrameLayout; 95import android.widget.ImageView; 96import android.widget.TextView; 97import android.widget.Toast; 98 99import com.android.launcher3.DropTarget.DragObject; 100 101import java.io.DataInputStream; 102import java.io.DataOutputStream; 103import java.io.FileDescriptor; 104import java.io.FileNotFoundException; 105import java.io.IOException; 106import java.io.PrintWriter; 107import java.util.ArrayList; 108import java.util.Collection; 109import java.util.HashMap; 110import java.util.List; 111 112/** 113 * Default launcher application. 114 */ 115public class Launcher extends Activity 116 implements View.OnClickListener, OnLongClickListener, LauncherModel.Callbacks, 117 View.OnTouchListener { 118 static final String TAG = "Launcher"; 119 static final boolean LOGD = false; 120 121 static final boolean PROFILE_STARTUP = false; 122 static final boolean DEBUG_WIDGETS = false; 123 static final boolean DEBUG_STRICT_MODE = false; 124 static final boolean DEBUG_RESUME_TIME = false; 125 126 private static final int MENU_GROUP_WALLPAPER = 1; 127 private static final int MENU_WALLPAPER_SETTINGS = Menu.FIRST + 1; 128 private static final int MENU_MANAGE_APPS = MENU_WALLPAPER_SETTINGS + 1; 129 private static final int MENU_SYSTEM_SETTINGS = MENU_MANAGE_APPS + 1; 130 private static final int MENU_HELP = MENU_SYSTEM_SETTINGS + 1; 131 132 private static final int REQUEST_CREATE_SHORTCUT = 1; 133 private static final int REQUEST_CREATE_APPWIDGET = 5; 134 private static final int REQUEST_PICK_APPLICATION = 6; 135 private static final int REQUEST_PICK_SHORTCUT = 7; 136 private static final int REQUEST_PICK_APPWIDGET = 9; 137 private static final int REQUEST_PICK_WALLPAPER = 10; 138 139 private static final int REQUEST_BIND_APPWIDGET = 11; 140 141 /** 142 * IntentStarter uses request codes starting with this. This must be greater than all activity 143 * request codes used internally. 144 */ 145 protected static final int REQUEST_LAST = 100; 146 147 static final String EXTRA_SHORTCUT_DUPLICATE = "duplicate"; 148 149 static final int SCREEN_COUNT = 5; 150 static final int DEFAULT_SCREEN = 2; 151 152 private static final String PREFERENCES = "launcher.preferences"; 153 // To turn on these properties, type 154 // adb shell setprop log.tag.PROPERTY_NAME [VERBOSE | SUPPRESS] 155 static final String FORCE_ENABLE_ROTATION_PROPERTY = "launcher_force_rotate"; 156 static final String DUMP_STATE_PROPERTY = "launcher_dump_state"; 157 158 // The Intent extra that defines whether to ignore the launch animation 159 static final String INTENT_EXTRA_IGNORE_LAUNCH_ANIMATION = 160 "com.android.launcher3.intent.extra.shortcut.INGORE_LAUNCH_ANIMATION"; 161 162 // Type: int 163 private static final String RUNTIME_STATE_CURRENT_SCREEN = "launcher.current_screen"; 164 // Type: int 165 private static final String RUNTIME_STATE = "launcher.state"; 166 // Type: int 167 private static final String RUNTIME_STATE_PENDING_ADD_CONTAINER = "launcher.add_container"; 168 // Type: int 169 private static final String RUNTIME_STATE_PENDING_ADD_SCREEN = "launcher.add_screen"; 170 // Type: int 171 private static final String RUNTIME_STATE_PENDING_ADD_CELL_X = "launcher.add_cell_x"; 172 // Type: int 173 private static final String RUNTIME_STATE_PENDING_ADD_CELL_Y = "launcher.add_cell_y"; 174 // Type: boolean 175 private static final String RUNTIME_STATE_PENDING_FOLDER_RENAME = "launcher.rename_folder"; 176 // Type: long 177 private static final String RUNTIME_STATE_PENDING_FOLDER_RENAME_ID = "launcher.rename_folder_id"; 178 // Type: int 179 private static final String RUNTIME_STATE_PENDING_ADD_SPAN_X = "launcher.add_span_x"; 180 // Type: int 181 private static final String RUNTIME_STATE_PENDING_ADD_SPAN_Y = "launcher.add_span_y"; 182 // Type: parcelable 183 private static final String RUNTIME_STATE_PENDING_ADD_WIDGET_INFO = "launcher.add_widget_info"; 184 185 private static final String TOOLBAR_ICON_METADATA_NAME = "com.android.launcher.toolbar_icon"; 186 private static final String TOOLBAR_SEARCH_ICON_METADATA_NAME = 187 "com.android.launcher.toolbar_search_icon"; 188 private static final String TOOLBAR_VOICE_SEARCH_ICON_METADATA_NAME = 189 "com.android.launcher.toolbar_voice_search_icon"; 190 191 public static final String SHOW_WEIGHT_WATCHER = "debug.show_mem"; 192 public static final boolean SHOW_WEIGHT_WATCHER_DEFAULT = false; 193 194 /** The different states that Launcher can be in. */ 195 private enum State { NONE, WORKSPACE, APPS_CUSTOMIZE, APPS_CUSTOMIZE_SPRING_LOADED }; 196 private State mState = State.WORKSPACE; 197 private AnimatorSet mStateAnimation; 198 199 static final int APPWIDGET_HOST_ID = 1024; 200 private static final int EXIT_SPRINGLOADED_MODE_SHORT_TIMEOUT = 300; 201 private static final int EXIT_SPRINGLOADED_MODE_LONG_TIMEOUT = 600; 202 private static final int SHOW_CLING_DURATION = 550; 203 private static final int DISMISS_CLING_DURATION = 250; 204 205 private static final Object sLock = new Object(); 206 private static int sScreen = DEFAULT_SCREEN; 207 208 // How long to wait before the new-shortcut animation automatically pans the workspace 209 private static int NEW_APPS_ANIMATION_INACTIVE_TIMEOUT_SECONDS = 10; 210 private static int NEW_APPS_ANIMATION_DELAY = 500; 211 212 private final BroadcastReceiver mCloseSystemDialogsReceiver 213 = new CloseSystemDialogsIntentReceiver(); 214 private final ContentObserver mWidgetObserver = new AppWidgetResetObserver(); 215 216 private LayoutInflater mInflater; 217 218 private Workspace mWorkspace; 219 private View mLauncherView; 220 private DragLayer mDragLayer; 221 private DragController mDragController; 222 private View mWeightWatcher; 223 224 private AppWidgetManager mAppWidgetManager; 225 private LauncherAppWidgetHost mAppWidgetHost; 226 227 private ItemInfo mPendingAddInfo = new ItemInfo(); 228 private AppWidgetProviderInfo mPendingAddWidgetInfo; 229 230 private int[] mTmpAddItemCellCoordinates = new int[2]; 231 232 private FolderInfo mFolderInfo; 233 234 private Hotseat mHotseat; 235 private View mOverviewPanel; 236 237 private View mAllAppsButton; 238 239 private SearchDropTargetBar mSearchDropTargetBar; 240 private AppsCustomizeTabHost mAppsCustomizeTabHost; 241 private AppsCustomizePagedView mAppsCustomizeContent; 242 private boolean mAutoAdvanceRunning = false; 243 244 private Bundle mSavedState; 245 // We set the state in both onCreate and then onNewIntent in some cases, which causes both 246 // scroll issues (because the workspace may not have been measured yet) and extra work. 247 // Instead, just save the state that we need to restore Launcher to, and commit it in onResume. 248 private State mOnResumeState = State.NONE; 249 250 private SpannableStringBuilder mDefaultKeySsb = null; 251 252 private boolean mWorkspaceLoading = true; 253 254 private boolean mPaused = true; 255 private boolean mRestoring; 256 private boolean mWaitingForResult; 257 private boolean mOnResumeNeedsLoad; 258 259 private ArrayList<Runnable> mBindOnResumeCallbacks = new ArrayList<Runnable>(); 260 private ArrayList<Runnable> mOnResumeCallbacks = new ArrayList<Runnable>(); 261 262 // Keep track of whether the user has left launcher 263 private static boolean sPausedFromUserAction = false; 264 265 private Bundle mSavedInstanceState; 266 267 private LauncherModel mModel; 268 private IconCache mIconCache; 269 private boolean mUserPresent = true; 270 private boolean mVisible = false; 271 private boolean mAttached = false; 272 private static final boolean DISABLE_CLINGS = true; 273 274 private static LocaleConfiguration sLocaleConfiguration = null; 275 276 private static HashMap<Long, FolderInfo> sFolders = new HashMap<Long, FolderInfo>(); 277 278 private Intent mAppMarketIntent = null; 279 280 // Related to the auto-advancing of widgets 281 private final int ADVANCE_MSG = 1; 282 private final int mAdvanceInterval = 20000; 283 private final int mAdvanceStagger = 250; 284 private long mAutoAdvanceSentTime; 285 private long mAutoAdvanceTimeLeft = -1; 286 private HashMap<View, AppWidgetProviderInfo> mWidgetsToAdvance = 287 new HashMap<View, AppWidgetProviderInfo>(); 288 289 // Determines how long to wait after a rotation before restoring the screen orientation to 290 // match the sensor state. 291 private final int mRestoreScreenOrientationDelay = 500; 292 293 // External icons saved in case of resource changes, orientation, etc. 294 private static Drawable.ConstantState[] sGlobalSearchIcon = new Drawable.ConstantState[2]; 295 private static Drawable.ConstantState[] sVoiceSearchIcon = new Drawable.ConstantState[2]; 296 private static Drawable.ConstantState[] sAppMarketIcon = new Drawable.ConstantState[2]; 297 298 private Drawable mWorkspaceBackgroundDrawable; 299 300 private final ArrayList<Integer> mSynchronouslyBoundPages = new ArrayList<Integer>(); 301 302 static final ArrayList<String> sDumpLogs = new ArrayList<String>(); 303 304 // We only want to get the SharedPreferences once since it does an FS stat each time we get 305 // it from the context. 306 private SharedPreferences mSharedPrefs; 307 308 private static ArrayList<ComponentName> mIntentsOnWorkspaceFromUpgradePath = null; 309 310 // Holds the page that we need to animate to, and the icon views that we need to animate up 311 // when we scroll to that page on resume. 312 private ImageView mFolderIconImageView; 313 private Bitmap mFolderIconBitmap; 314 private Canvas mFolderIconCanvas; 315 private Rect mRectForFolderAnimation = new Rect(); 316 317 private BubbleTextView mWaitingForResume; 318 319 private HideFromAccessibilityHelper mHideFromAccessibilityHelper 320 = new HideFromAccessibilityHelper(); 321 322 private Runnable mBuildLayersRunnable = new Runnable() { 323 public void run() { 324 if (mWorkspace != null) { 325 mWorkspace.buildPageHardwareLayers(); 326 } 327 } 328 }; 329 330 private static ArrayList<PendingAddArguments> sPendingAddList 331 = new ArrayList<PendingAddArguments>(); 332 333 private static boolean sForceEnableRotation = isPropertyEnabled(FORCE_ENABLE_ROTATION_PROPERTY); 334 335 private static class PendingAddArguments { 336 int requestCode; 337 Intent intent; 338 long container; 339 long screenId; 340 int cellX; 341 int cellY; 342 } 343 344 private Stats mStats; 345 346 private static boolean isPropertyEnabled(String propertyName) { 347 return Log.isLoggable(propertyName, Log.VERBOSE); 348 } 349 350 @Override 351 protected void onCreate(Bundle savedInstanceState) { 352 if (DEBUG_STRICT_MODE) { 353 StrictMode.setThreadPolicy(new StrictMode.ThreadPolicy.Builder() 354 .detectDiskReads() 355 .detectDiskWrites() 356 .detectNetwork() // or .detectAll() for all detectable problems 357 .penaltyLog() 358 .build()); 359 StrictMode.setVmPolicy(new StrictMode.VmPolicy.Builder() 360 .detectLeakedSqlLiteObjects() 361 .detectLeakedClosableObjects() 362 .penaltyLog() 363 .penaltyDeath() 364 .build()); 365 } 366 367 super.onCreate(savedInstanceState); 368 369 LauncherAppState.setApplicationContext(getApplicationContext()); 370 LauncherAppState app = LauncherAppState.getInstance(); 371 372 // Determine the dynamic grid properties 373 Point smallestSize = new Point(); 374 Point largestSize = new Point(); 375 Point realSize = new Point(); 376 Display display = getWindowManager().getDefaultDisplay(); 377 display.getCurrentSizeRange(smallestSize, largestSize); 378 display.getRealSize(realSize); 379 // Lazy-initialize the dynamic grid 380 DeviceProfile grid = app.initDynamicGrid(this, 381 Math.min(smallestSize.x, smallestSize.y), 382 Math.min(largestSize.x, largestSize.y), 383 realSize.x, realSize.y); 384 385 // the LauncherApplication should call this, but in case of Instrumentation it might not be present yet 386 mSharedPrefs = getSharedPreferences(LauncherAppState.getSharedPreferencesKey(), 387 Context.MODE_PRIVATE); 388 mModel = app.setLauncher(this); 389 mIconCache = app.getIconCache(); 390 mDragController = new DragController(this); 391 mInflater = getLayoutInflater(); 392 393 mStats = new Stats(this); 394 395 mAppWidgetManager = AppWidgetManager.getInstance(this); 396 mAppWidgetHost = new LauncherAppWidgetHost(this, APPWIDGET_HOST_ID); 397 mAppWidgetHost.startListening(); 398 399 // If we are getting an onCreate, we can actually preempt onResume and unset mPaused here, 400 // this also ensures that any synchronous binding below doesn't re-trigger another 401 // LauncherModel load. 402 mPaused = false; 403 404 if (PROFILE_STARTUP) { 405 android.os.Debug.startMethodTracing( 406 Environment.getExternalStorageDirectory() + "/launcher"); 407 } 408 409 checkForLocaleChange(); 410 setContentView(R.layout.launcher); 411 grid.layout(this); 412 setupViews(); 413 showFirstRunWorkspaceCling(); 414 415 registerContentObservers(); 416 417 lockAllApps(); 418 419 mSavedState = savedInstanceState; 420 restoreState(mSavedState); 421 422 // Update customization drawer _after_ restoring the states 423 if (mAppsCustomizeContent != null) { 424 mAppsCustomizeContent.onPackagesUpdated( 425 LauncherModel.getSortedWidgetsAndShortcuts(this)); 426 } 427 428 if (PROFILE_STARTUP) { 429 android.os.Debug.stopMethodTracing(); 430 } 431 432 if (!mRestoring) { 433 if (sPausedFromUserAction) { 434 // If the user leaves launcher, then we should just load items asynchronously when 435 // they return. 436 mModel.startLoader(true, -1); 437 } else { 438 // We only load the page synchronously if the user rotates (or triggers a 439 // configuration change) while launcher is in the foreground 440 mModel.startLoader(true, mWorkspace.getCurrentPage()); 441 } 442 } 443 444 // For handling default keys 445 mDefaultKeySsb = new SpannableStringBuilder(); 446 Selection.setSelection(mDefaultKeySsb, 0); 447 448 IntentFilter filter = new IntentFilter(Intent.ACTION_CLOSE_SYSTEM_DIALOGS); 449 registerReceiver(mCloseSystemDialogsReceiver, filter); 450 451 updateGlobalIcons(); 452 453 // On large interfaces, we want the screen to auto-rotate based on the current orientation 454 unlockScreenOrientation(true); 455 } 456 457 protected void onUserLeaveHint() { 458 super.onUserLeaveHint(); 459 sPausedFromUserAction = true; 460 } 461 462 /** To be overriden by subclasses to hint to Launcher that we have custom content */ 463 protected boolean hasCustomContentToLeft() { 464 return false; 465 } 466 467 private void updateGlobalIcons() { 468 boolean searchVisible = false; 469 boolean voiceVisible = false; 470 // If we have a saved version of these external icons, we load them up immediately 471 int coi = getCurrentOrientationIndexForGlobalIcons(); 472 if (sGlobalSearchIcon[coi] == null || sVoiceSearchIcon[coi] == null || 473 sAppMarketIcon[coi] == null) { 474 updateAppMarketIcon(); 475 searchVisible = updateGlobalSearchIcon(); 476 voiceVisible = updateVoiceSearchIcon(searchVisible); 477 } 478 if (sGlobalSearchIcon[coi] != null) { 479 updateGlobalSearchIcon(sGlobalSearchIcon[coi]); 480 searchVisible = true; 481 } 482 if (sVoiceSearchIcon[coi] != null) { 483 updateVoiceSearchIcon(sVoiceSearchIcon[coi]); 484 voiceVisible = true; 485 } 486 if (sAppMarketIcon[coi] != null) { 487 updateAppMarketIcon(sAppMarketIcon[coi]); 488 } 489 if (mSearchDropTargetBar != null) { 490 mSearchDropTargetBar.onSearchPackagesChanged(searchVisible, voiceVisible); 491 } 492 } 493 494 private void checkForLocaleChange() { 495 if (sLocaleConfiguration == null) { 496 new AsyncTask<Void, Void, LocaleConfiguration>() { 497 @Override 498 protected LocaleConfiguration doInBackground(Void... unused) { 499 LocaleConfiguration localeConfiguration = new LocaleConfiguration(); 500 readConfiguration(Launcher.this, localeConfiguration); 501 return localeConfiguration; 502 } 503 504 @Override 505 protected void onPostExecute(LocaleConfiguration result) { 506 sLocaleConfiguration = result; 507 checkForLocaleChange(); // recursive, but now with a locale configuration 508 } 509 }.execute(); 510 return; 511 } 512 513 final Configuration configuration = getResources().getConfiguration(); 514 515 final String previousLocale = sLocaleConfiguration.locale; 516 final String locale = configuration.locale.toString(); 517 518 final int previousMcc = sLocaleConfiguration.mcc; 519 final int mcc = configuration.mcc; 520 521 final int previousMnc = sLocaleConfiguration.mnc; 522 final int mnc = configuration.mnc; 523 524 boolean localeChanged = !locale.equals(previousLocale) || mcc != previousMcc || mnc != previousMnc; 525 526 if (localeChanged) { 527 sLocaleConfiguration.locale = locale; 528 sLocaleConfiguration.mcc = mcc; 529 sLocaleConfiguration.mnc = mnc; 530 531 mIconCache.flush(); 532 533 final LocaleConfiguration localeConfiguration = sLocaleConfiguration; 534 new Thread("WriteLocaleConfiguration") { 535 @Override 536 public void run() { 537 writeConfiguration(Launcher.this, localeConfiguration); 538 } 539 }.start(); 540 } 541 } 542 543 private static class LocaleConfiguration { 544 public String locale; 545 public int mcc = -1; 546 public int mnc = -1; 547 } 548 549 private static void readConfiguration(Context context, LocaleConfiguration configuration) { 550 DataInputStream in = null; 551 try { 552 in = new DataInputStream(context.openFileInput(PREFERENCES)); 553 configuration.locale = in.readUTF(); 554 configuration.mcc = in.readInt(); 555 configuration.mnc = in.readInt(); 556 } catch (FileNotFoundException e) { 557 // Ignore 558 } catch (IOException e) { 559 // Ignore 560 } finally { 561 if (in != null) { 562 try { 563 in.close(); 564 } catch (IOException e) { 565 // Ignore 566 } 567 } 568 } 569 } 570 571 private static void writeConfiguration(Context context, LocaleConfiguration configuration) { 572 DataOutputStream out = null; 573 try { 574 out = new DataOutputStream(context.openFileOutput(PREFERENCES, MODE_PRIVATE)); 575 out.writeUTF(configuration.locale); 576 out.writeInt(configuration.mcc); 577 out.writeInt(configuration.mnc); 578 out.flush(); 579 } catch (FileNotFoundException e) { 580 // Ignore 581 } catch (IOException e) { 582 //noinspection ResultOfMethodCallIgnored 583 context.getFileStreamPath(PREFERENCES).delete(); 584 } finally { 585 if (out != null) { 586 try { 587 out.close(); 588 } catch (IOException e) { 589 // Ignore 590 } 591 } 592 } 593 } 594 595 public LayoutInflater getInflater() { 596 return mInflater; 597 } 598 599 public DragLayer getDragLayer() { 600 return mDragLayer; 601 } 602 603 boolean isDraggingEnabled() { 604 // We prevent dragging when we are loading the workspace as it is possible to pick up a view 605 // that is subsequently removed from the workspace in startBinding(). 606 return !mModel.isLoadingWorkspace(); 607 } 608 609 static int getScreen() { 610 synchronized (sLock) { 611 return sScreen; 612 } 613 } 614 615 static void setScreen(int screen) { 616 synchronized (sLock) { 617 sScreen = screen; 618 } 619 } 620 621 /** 622 * Returns whether we should delay spring loaded mode -- for shortcuts and widgets that have 623 * a configuration step, this allows the proper animations to run after other transitions. 624 */ 625 private boolean completeAdd(PendingAddArguments args) { 626 boolean result = false; 627 switch (args.requestCode) { 628 case REQUEST_PICK_APPLICATION: 629 completeAddApplication(args.intent, args.container, args.screenId, args.cellX, 630 args.cellY); 631 break; 632 case REQUEST_PICK_SHORTCUT: 633 processShortcut(args.intent); 634 break; 635 case REQUEST_CREATE_SHORTCUT: 636 completeAddShortcut(args.intent, args.container, args.screenId, args.cellX, 637 args.cellY); 638 result = true; 639 break; 640 case REQUEST_CREATE_APPWIDGET: 641 int appWidgetId = args.intent.getIntExtra(AppWidgetManager.EXTRA_APPWIDGET_ID, -1); 642 completeAddAppWidget(appWidgetId, args.container, args.screenId, null, null); 643 result = true; 644 break; 645 case REQUEST_PICK_WALLPAPER: 646 // We just wanted the activity result here so we can clear mWaitingForResult 647 break; 648 } 649 // Before adding this resetAddInfo(), after a shortcut was added to a workspace screen, 650 // if you turned the screen off and then back while in All Apps, Launcher would not 651 // return to the workspace. Clearing mAddInfo.container here fixes this issue 652 resetAddInfo(); 653 return result; 654 } 655 656 @Override 657 protected void onActivityResult( 658 final int requestCode, final int resultCode, final Intent data) { 659 // Reset the startActivity waiting flag 660 mWaitingForResult = false; 661 662 if (requestCode == REQUEST_BIND_APPWIDGET) { 663 int appWidgetId = data != null ? 664 data.getIntExtra(AppWidgetManager.EXTRA_APPWIDGET_ID, -1) : -1; 665 if (resultCode == RESULT_CANCELED) { 666 completeTwoStageWidgetDrop(RESULT_CANCELED, appWidgetId); 667 } else if (resultCode == RESULT_OK) { 668 addAppWidgetImpl(appWidgetId, mPendingAddInfo, null, mPendingAddWidgetInfo); 669 } 670 return; 671 } 672 boolean delayExitSpringLoadedMode = false; 673 boolean isWidgetDrop = (requestCode == REQUEST_PICK_APPWIDGET || 674 requestCode == REQUEST_CREATE_APPWIDGET); 675 676 // We have special handling for widgets 677 if (isWidgetDrop) { 678 int appWidgetId = data != null ? 679 data.getIntExtra(AppWidgetManager.EXTRA_APPWIDGET_ID, -1) : -1; 680 if (appWidgetId < 0) { 681 Log.e(TAG, "Error: appWidgetId (EXTRA_APPWIDGET_ID) was not returned from the \\" + 682 "widget configuration activity."); 683 completeTwoStageWidgetDrop(RESULT_CANCELED, appWidgetId); 684 } else { 685 completeTwoStageWidgetDrop(resultCode, appWidgetId); 686 } 687 return; 688 } 689 690 // The pattern used here is that a user PICKs a specific application, 691 // which, depending on the target, might need to CREATE the actual target. 692 693 // For example, the user would PICK_SHORTCUT for "Music playlist", and we 694 // launch over to the Music app to actually CREATE_SHORTCUT. 695 if (resultCode == RESULT_OK && mPendingAddInfo.container != ItemInfo.NO_ID) { 696 final PendingAddArguments args = new PendingAddArguments(); 697 args.requestCode = requestCode; 698 args.intent = data; 699 args.container = mPendingAddInfo.container; 700 args.screenId = mPendingAddInfo.screenId; 701 args.cellX = mPendingAddInfo.cellX; 702 args.cellY = mPendingAddInfo.cellY; 703 if (isWorkspaceLocked()) { 704 sPendingAddList.add(args); 705 } else { 706 delayExitSpringLoadedMode = completeAdd(args); 707 } 708 } 709 mDragLayer.clearAnimatedView(); 710 // Exit spring loaded mode if necessary after cancelling the configuration of a widget 711 exitSpringLoadedDragModeDelayed((resultCode != RESULT_CANCELED), delayExitSpringLoadedMode, 712 null); 713 } 714 715 private void completeTwoStageWidgetDrop(final int resultCode, final int appWidgetId) { 716 CellLayout cellLayout = 717 (CellLayout) mWorkspace.getScreenWithId(mPendingAddInfo.screenId); 718 Runnable onCompleteRunnable = null; 719 int animationType = 0; 720 721 AppWidgetHostView boundWidget = null; 722 if (resultCode == RESULT_OK) { 723 animationType = Workspace.COMPLETE_TWO_STAGE_WIDGET_DROP_ANIMATION; 724 final AppWidgetHostView layout = mAppWidgetHost.createView(this, appWidgetId, 725 mPendingAddWidgetInfo); 726 boundWidget = layout; 727 onCompleteRunnable = new Runnable() { 728 @Override 729 public void run() { 730 completeAddAppWidget(appWidgetId, mPendingAddInfo.container, 731 mPendingAddInfo.screenId, layout, null); 732 exitSpringLoadedDragModeDelayed((resultCode != RESULT_CANCELED), false, 733 null); 734 } 735 }; 736 } else if (resultCode == RESULT_CANCELED) { 737 animationType = Workspace.CANCEL_TWO_STAGE_WIDGET_DROP_ANIMATION; 738 onCompleteRunnable = new Runnable() { 739 @Override 740 public void run() { 741 exitSpringLoadedDragModeDelayed((resultCode != RESULT_CANCELED), false, 742 null); 743 } 744 }; 745 } 746 if (mDragLayer.getAnimatedView() != null) { 747 mWorkspace.animateWidgetDrop(mPendingAddInfo, cellLayout, 748 (DragView) mDragLayer.getAnimatedView(), onCompleteRunnable, 749 animationType, boundWidget, true); 750 } else { 751 // The animated view may be null in the case of a rotation during widget configuration 752 onCompleteRunnable.run(); 753 } 754 } 755 756 @Override 757 protected void onStop() { 758 super.onStop(); 759 FirstFrameAnimatorHelper.setIsVisible(false); 760 } 761 762 @Override 763 protected void onStart() { 764 super.onStart(); 765 FirstFrameAnimatorHelper.setIsVisible(true); 766 } 767 768 @Override 769 protected void onResume() { 770 long startTime = 0; 771 if (DEBUG_RESUME_TIME) { 772 startTime = System.currentTimeMillis(); 773 Log.v(TAG, "Launcher.onResume()"); 774 } 775 super.onResume(); 776 777 // Restore the previous launcher state 778 if (mOnResumeState == State.WORKSPACE) { 779 showWorkspace(false); 780 } else if (mOnResumeState == State.APPS_CUSTOMIZE) { 781 showAllApps(false); 782 } 783 mOnResumeState = State.NONE; 784 785 // Background was set to gradient in onPause(), restore to black if in all apps. 786 setWorkspaceBackground(mState == State.WORKSPACE); 787 788 // Process any items that were added while Launcher was away 789 InstallShortcutReceiver.disableAndFlushInstallQueue(this); 790 791 mPaused = false; 792 sPausedFromUserAction = false; 793 if (mRestoring || mOnResumeNeedsLoad) { 794 mWorkspaceLoading = true; 795 mModel.startLoader(true, -1); 796 mRestoring = false; 797 mOnResumeNeedsLoad = false; 798 } 799 if (mBindOnResumeCallbacks.size() > 0) { 800 // We might have postponed some bind calls until onResume (see waitUntilResume) -- 801 // execute them here 802 long startTimeCallbacks = 0; 803 if (DEBUG_RESUME_TIME) { 804 startTimeCallbacks = System.currentTimeMillis(); 805 } 806 807 if (mAppsCustomizeContent != null) { 808 mAppsCustomizeContent.setBulkBind(true); 809 } 810 for (int i = 0; i < mBindOnResumeCallbacks.size(); i++) { 811 mBindOnResumeCallbacks.get(i).run(); 812 } 813 if (mAppsCustomizeContent != null) { 814 mAppsCustomizeContent.setBulkBind(false); 815 } 816 mBindOnResumeCallbacks.clear(); 817 if (DEBUG_RESUME_TIME) { 818 Log.d(TAG, "Time spent processing callbacks in onResume: " + 819 (System.currentTimeMillis() - startTimeCallbacks)); 820 } 821 } 822 if (mOnResumeCallbacks.size() > 0) { 823 for (int i = 0; i < mOnResumeCallbacks.size(); i++) { 824 mOnResumeCallbacks.get(i).run(); 825 } 826 mOnResumeCallbacks.clear(); 827 } 828 829 // Reset the pressed state of icons that were locked in the press state while activities 830 // were launching 831 if (mWaitingForResume != null) { 832 // Resets the previous workspace icon press state 833 mWaitingForResume.setStayPressed(false); 834 } 835 if (mAppsCustomizeContent != null) { 836 // Resets the previous all apps icon press state 837 mAppsCustomizeContent.resetDrawableState(); 838 } 839 // It is possible that widgets can receive updates while launcher is not in the foreground. 840 // Consequently, the widgets will be inflated in the orientation of the foreground activity 841 // (framework issue). On resuming, we ensure that any widgets are inflated for the current 842 // orientation. 843 getWorkspace().reinflateWidgetsIfNecessary(); 844 845 // Again, as with the above scenario, it's possible that one or more of the global icons 846 // were updated in the wrong orientation. 847 updateGlobalIcons(); 848 if (DEBUG_RESUME_TIME) { 849 Log.d(TAG, "Time spent in onResume: " + (System.currentTimeMillis() - startTime)); 850 } 851 } 852 853 @Override 854 protected void onPause() { 855 // NOTE: We want all transitions from launcher to act as if the wallpaper were enabled 856 // to be consistent. So re-enable the flag here, and we will re-disable it as necessary 857 // when Launcher resumes and we are still in AllApps. 858 updateWallpaperVisibility(true); 859 860 // Ensure that items added to Launcher are queued until Launcher returns 861 InstallShortcutReceiver.enableInstallQueue(); 862 863 super.onPause(); 864 mPaused = true; 865 mDragController.cancelDrag(); 866 mDragController.resetLastGestureUpTime(); 867 } 868 869 protected void onFinishBindingItems() { 870 } 871 872 QSBScroller mQsbScroller = new QSBScroller() { 873 int scrollY = 0; 874 875 @Override 876 public void setScrollY(int scroll) { 877 scrollY = scroll; 878 879 if (mWorkspace.isOnOrMovingToCustomContent()) { 880 mSearchDropTargetBar.setTranslationY(- scrollY); 881 } 882 } 883 }; 884 885 public void resetQSBScroll() { 886 mSearchDropTargetBar.animate().translationY(0).start(); 887 } 888 889 public interface CustomContentCallbacks { 890 // Custom content is completely shown 891 public void onShow(); 892 893 // Custom content is completely hidden 894 public void onHide(); 895 } 896 897 public interface QSBScroller { 898 public void setScrollY(int scrollY); 899 } 900 901 // Add a fullscreen unpadded view to the workspace to the left all other screens. 902 public QSBScroller addToCustomContentPage(View customContent) { 903 return addToCustomContentPage(customContent, null); 904 } 905 906 public QSBScroller addToCustomContentPage(View customContent, 907 CustomContentCallbacks callbacks) { 908 mWorkspace.addToCustomContentPage(customContent, callbacks); 909 return mQsbScroller; 910 } 911 912 // The custom content needs to offset its content to account for the QSB 913 public int getTopOffsetForCustomContent() { 914 return mWorkspace.getPaddingTop(); 915 } 916 917 @Override 918 public Object onRetainNonConfigurationInstance() { 919 // Flag the loader to stop early before switching 920 mModel.stopLoader(); 921 if (mAppsCustomizeContent != null) { 922 mAppsCustomizeContent.surrender(); 923 } 924 return Boolean.TRUE; 925 } 926 927 // We can't hide the IME if it was forced open. So don't bother 928 /* 929 @Override 930 public void onWindowFocusChanged(boolean hasFocus) { 931 super.onWindowFocusChanged(hasFocus); 932 933 if (hasFocus) { 934 final InputMethodManager inputManager = (InputMethodManager) 935 getSystemService(Context.INPUT_METHOD_SERVICE); 936 WindowManager.LayoutParams lp = getWindow().getAttributes(); 937 inputManager.hideSoftInputFromWindow(lp.token, 0, new android.os.ResultReceiver(new 938 android.os.Handler()) { 939 protected void onReceiveResult(int resultCode, Bundle resultData) { 940 Log.d(TAG, "ResultReceiver got resultCode=" + resultCode); 941 } 942 }); 943 Log.d(TAG, "called hideSoftInputFromWindow from onWindowFocusChanged"); 944 } 945 } 946 */ 947 948 private boolean acceptFilter() { 949 final InputMethodManager inputManager = (InputMethodManager) 950 getSystemService(Context.INPUT_METHOD_SERVICE); 951 return !inputManager.isFullscreenMode(); 952 } 953 954 @Override 955 public boolean onKeyDown(int keyCode, KeyEvent event) { 956 final int uniChar = event.getUnicodeChar(); 957 final boolean handled = super.onKeyDown(keyCode, event); 958 final boolean isKeyNotWhitespace = uniChar > 0 && !Character.isWhitespace(uniChar); 959 if (!handled && acceptFilter() && isKeyNotWhitespace) { 960 boolean gotKey = TextKeyListener.getInstance().onKeyDown(mWorkspace, mDefaultKeySsb, 961 keyCode, event); 962 if (gotKey && mDefaultKeySsb != null && mDefaultKeySsb.length() > 0) { 963 // something usable has been typed - start a search 964 // the typed text will be retrieved and cleared by 965 // showSearchDialog() 966 // If there are multiple keystrokes before the search dialog takes focus, 967 // onSearchRequested() will be called for every keystroke, 968 // but it is idempotent, so it's fine. 969 return onSearchRequested(); 970 } 971 } 972 973 // Eat the long press event so the keyboard doesn't come up. 974 if (keyCode == KeyEvent.KEYCODE_MENU && event.isLongPress()) { 975 return true; 976 } 977 978 return handled; 979 } 980 981 private String getTypedText() { 982 return mDefaultKeySsb.toString(); 983 } 984 985 private void clearTypedText() { 986 mDefaultKeySsb.clear(); 987 mDefaultKeySsb.clearSpans(); 988 Selection.setSelection(mDefaultKeySsb, 0); 989 } 990 991 /** 992 * Given the integer (ordinal) value of a State enum instance, convert it to a variable of type 993 * State 994 */ 995 private static State intToState(int stateOrdinal) { 996 State state = State.WORKSPACE; 997 final State[] stateValues = State.values(); 998 for (int i = 0; i < stateValues.length; i++) { 999 if (stateValues[i].ordinal() == stateOrdinal) { 1000 state = stateValues[i]; 1001 break; 1002 } 1003 } 1004 return state; 1005 } 1006 1007 /** 1008 * Restores the previous state, if it exists. 1009 * 1010 * @param savedState The previous state. 1011 */ 1012 private void restoreState(Bundle savedState) { 1013 if (savedState == null) { 1014 return; 1015 } 1016 1017 State state = intToState(savedState.getInt(RUNTIME_STATE, State.WORKSPACE.ordinal())); 1018 if (state == State.APPS_CUSTOMIZE) { 1019 mOnResumeState = State.APPS_CUSTOMIZE; 1020 } 1021 1022 int currentScreen = savedState.getInt(RUNTIME_STATE_CURRENT_SCREEN, -1); 1023 if (currentScreen > -1) { 1024 mWorkspace.setRestorePage(currentScreen); 1025 } 1026 1027 final long pendingAddContainer = savedState.getLong(RUNTIME_STATE_PENDING_ADD_CONTAINER, -1); 1028 final long pendingAddScreen = savedState.getLong(RUNTIME_STATE_PENDING_ADD_SCREEN, -1); 1029 1030 if (pendingAddContainer != ItemInfo.NO_ID && pendingAddScreen > -1) { 1031 mPendingAddInfo.container = pendingAddContainer; 1032 mPendingAddInfo.screenId = pendingAddScreen; 1033 mPendingAddInfo.cellX = savedState.getInt(RUNTIME_STATE_PENDING_ADD_CELL_X); 1034 mPendingAddInfo.cellY = savedState.getInt(RUNTIME_STATE_PENDING_ADD_CELL_Y); 1035 mPendingAddInfo.spanX = savedState.getInt(RUNTIME_STATE_PENDING_ADD_SPAN_X); 1036 mPendingAddInfo.spanY = savedState.getInt(RUNTIME_STATE_PENDING_ADD_SPAN_Y); 1037 mPendingAddWidgetInfo = savedState.getParcelable(RUNTIME_STATE_PENDING_ADD_WIDGET_INFO); 1038 mWaitingForResult = true; 1039 mRestoring = true; 1040 } 1041 1042 boolean renameFolder = savedState.getBoolean(RUNTIME_STATE_PENDING_FOLDER_RENAME, false); 1043 if (renameFolder) { 1044 long id = savedState.getLong(RUNTIME_STATE_PENDING_FOLDER_RENAME_ID); 1045 mFolderInfo = mModel.getFolderById(this, sFolders, id); 1046 mRestoring = true; 1047 } 1048 1049 // Restore the AppsCustomize tab 1050 if (mAppsCustomizeTabHost != null) { 1051 String curTab = savedState.getString("apps_customize_currentTab"); 1052 if (curTab != null) { 1053 mAppsCustomizeTabHost.setContentTypeImmediate( 1054 mAppsCustomizeTabHost.getContentTypeForTabTag(curTab)); 1055 mAppsCustomizeContent.loadAssociatedPages( 1056 mAppsCustomizeContent.getCurrentPage()); 1057 } 1058 1059 int currentIndex = savedState.getInt("apps_customize_currentIndex"); 1060 mAppsCustomizeContent.restorePageForIndex(currentIndex); 1061 } 1062 } 1063 1064 /** 1065 * Finds all the views we need and configure them properly. 1066 */ 1067 private void setupViews() { 1068 final DragController dragController = mDragController; 1069 1070 mLauncherView = findViewById(R.id.launcher); 1071 mDragLayer = (DragLayer) findViewById(R.id.drag_layer); 1072 mWorkspace = (Workspace) mDragLayer.findViewById(R.id.workspace); 1073 1074 mLauncherView.setSystemUiVisibility(View.SYSTEM_UI_FLAG_LAYOUT_FULLSCREEN); 1075 mWorkspaceBackgroundDrawable = getResources().getDrawable(R.drawable.workspace_bg); 1076 1077 // Setup the drag layer 1078 mDragLayer.setup(this, dragController); 1079 1080 // Setup the hotseat 1081 mHotseat = (Hotseat) findViewById(R.id.hotseat); 1082 if (mHotseat != null) { 1083 mHotseat.setup(this); 1084 } 1085 1086 mOverviewPanel = findViewById(R.id.overview_panel); 1087 findViewById(R.id.widget_button).setOnClickListener(new OnClickListener() { 1088 @Override 1089 public void onClick(View arg0) { 1090 showAllApps(true); 1091 } 1092 }); 1093 findViewById(R.id.wallpaper_button).setOnClickListener(new OnClickListener() { 1094 @Override 1095 public void onClick(View arg0) { 1096 startWallpaper(); 1097 } 1098 }); 1099 1100 // Setup the workspace 1101 mWorkspace.setHapticFeedbackEnabled(false); 1102 mWorkspace.setOnLongClickListener(this); 1103 mWorkspace.setup(dragController); 1104 dragController.addDragListener(mWorkspace); 1105 1106 // Get the search/delete bar 1107 mSearchDropTargetBar = (SearchDropTargetBar) mDragLayer.findViewById(R.id.qsb_bar); 1108 1109 // Setup AppsCustomize 1110 mAppsCustomizeTabHost = (AppsCustomizeTabHost) findViewById(R.id.apps_customize_pane); 1111 mAppsCustomizeContent = (AppsCustomizePagedView) 1112 mAppsCustomizeTabHost.findViewById(R.id.apps_customize_pane_content); 1113 mAppsCustomizeContent.setup(this, dragController); 1114 1115 // Setup the drag controller (drop targets have to be added in reverse order in priority) 1116 dragController.setDragScoller(mWorkspace); 1117 dragController.setScrollView(mDragLayer); 1118 dragController.setMoveTarget(mWorkspace); 1119 dragController.addDropTarget(mWorkspace); 1120 if (mSearchDropTargetBar != null) { 1121 mSearchDropTargetBar.setup(this, dragController); 1122 } 1123 1124 if (getResources().getBoolean(R.bool.debug_memory_enabled)) { 1125 Log.v(TAG, "adding WeightWatcher"); 1126 mWeightWatcher = new WeightWatcher(this); 1127 mWeightWatcher.setAlpha(0.5f); 1128 ((FrameLayout) mLauncherView).addView(mWeightWatcher, 1129 new FrameLayout.LayoutParams( 1130 FrameLayout.LayoutParams.MATCH_PARENT, 1131 FrameLayout.LayoutParams.WRAP_CONTENT, 1132 Gravity.BOTTOM) 1133 ); 1134 1135 boolean show = shouldShowWeightWatcher(); 1136 mWeightWatcher.setVisibility(show ? View.VISIBLE : View.GONE); 1137 } 1138 } 1139 1140 /** 1141 * Creates a view representing a shortcut. 1142 * 1143 * @param info The data structure describing the shortcut. 1144 * 1145 * @return A View inflated from R.layout.application. 1146 */ 1147 View createShortcut(ShortcutInfo info) { 1148 return createShortcut(R.layout.application, 1149 (ViewGroup) mWorkspace.getChildAt(mWorkspace.getCurrentPage()), info); 1150 } 1151 1152 /** 1153 * Creates a view representing a shortcut inflated from the specified resource. 1154 * 1155 * @param layoutResId The id of the XML layout used to create the shortcut. 1156 * @param parent The group the shortcut belongs to. 1157 * @param info The data structure describing the shortcut. 1158 * 1159 * @return A View inflated from layoutResId. 1160 */ 1161 View createShortcut(int layoutResId, ViewGroup parent, ShortcutInfo info) { 1162 BubbleTextView favorite = (BubbleTextView) mInflater.inflate(layoutResId, parent, false); 1163 favorite.applyFromShortcutInfo(info, mIconCache); 1164 favorite.setOnClickListener(this); 1165 return favorite; 1166 } 1167 1168 /** 1169 * Add an application shortcut to the workspace. 1170 * 1171 * @param data The intent describing the application. 1172 * @param cellInfo The position on screen where to create the shortcut. 1173 */ 1174 void completeAddApplication(Intent data, long container, long screenId, int cellX, int cellY) { 1175 final int[] cellXY = mTmpAddItemCellCoordinates; 1176 final CellLayout layout = getCellLayout(container, screenId); 1177 1178 // First we check if we already know the exact location where we want to add this item. 1179 if (cellX >= 0 && cellY >= 0) { 1180 cellXY[0] = cellX; 1181 cellXY[1] = cellY; 1182 } else if (!layout.findCellForSpan(cellXY, 1, 1)) { 1183 showOutOfSpaceMessage(isHotseatLayout(layout)); 1184 return; 1185 } 1186 1187 final ShortcutInfo info = mModel.getShortcutInfo(getPackageManager(), data, this); 1188 1189 if (info != null) { 1190 info.setActivity(this, data.getComponent(), Intent.FLAG_ACTIVITY_NEW_TASK | 1191 Intent.FLAG_ACTIVITY_RESET_TASK_IF_NEEDED); 1192 info.container = ItemInfo.NO_ID; 1193 mWorkspace.addApplicationShortcut(info, layout, container, screenId, cellXY[0], cellXY[1], 1194 isWorkspaceLocked(), cellX, cellY); 1195 } else { 1196 Log.e(TAG, "Couldn't find ActivityInfo for selected application: " + data); 1197 } 1198 } 1199 1200 /** 1201 * Add a shortcut to the workspace. 1202 * 1203 * @param data The intent describing the shortcut. 1204 * @param cellInfo The position on screen where to create the shortcut. 1205 */ 1206 private void completeAddShortcut(Intent data, long container, long screenId, int cellX, 1207 int cellY) { 1208 int[] cellXY = mTmpAddItemCellCoordinates; 1209 int[] touchXY = mPendingAddInfo.dropPos; 1210 CellLayout layout = getCellLayout(container, screenId); 1211 1212 boolean foundCellSpan = false; 1213 1214 ShortcutInfo info = mModel.infoFromShortcutIntent(this, data, null); 1215 if (info == null) { 1216 return; 1217 } 1218 final View view = createShortcut(info); 1219 1220 // First we check if we already know the exact location where we want to add this item. 1221 if (cellX >= 0 && cellY >= 0) { 1222 cellXY[0] = cellX; 1223 cellXY[1] = cellY; 1224 foundCellSpan = true; 1225 1226 // If appropriate, either create a folder or add to an existing folder 1227 if (mWorkspace.createUserFolderIfNecessary(view, container, layout, cellXY, 0, 1228 true, null,null)) { 1229 return; 1230 } 1231 DragObject dragObject = new DragObject(); 1232 dragObject.dragInfo = info; 1233 if (mWorkspace.addToExistingFolderIfNecessary(view, layout, cellXY, 0, dragObject, 1234 true)) { 1235 return; 1236 } 1237 } else if (touchXY != null) { 1238 // when dragging and dropping, just find the closest free spot 1239 int[] result = layout.findNearestVacantArea(touchXY[0], touchXY[1], 1, 1, cellXY); 1240 foundCellSpan = (result != null); 1241 } else { 1242 foundCellSpan = layout.findCellForSpan(cellXY, 1, 1); 1243 } 1244 1245 if (!foundCellSpan) { 1246 showOutOfSpaceMessage(isHotseatLayout(layout)); 1247 return; 1248 } 1249 1250 LauncherModel.addItemToDatabase(this, info, container, screenId, cellXY[0], cellXY[1], false); 1251 1252 if (!mRestoring) { 1253 mWorkspace.addInScreen(view, container, screenId, cellXY[0], cellXY[1], 1, 1, 1254 isWorkspaceLocked()); 1255 } 1256 } 1257 1258 static int[] getSpanForWidget(Context context, ComponentName component, int minWidth, 1259 int minHeight) { 1260 Rect padding = AppWidgetHostView.getDefaultPaddingForWidget(context, component, null); 1261 // We want to account for the extra amount of padding that we are adding to the widget 1262 // to ensure that it gets the full amount of space that it has requested 1263 int requiredWidth = minWidth + padding.left + padding.right; 1264 int requiredHeight = minHeight + padding.top + padding.bottom; 1265 return CellLayout.rectToCell(requiredWidth, requiredHeight, null); 1266 } 1267 1268 static int[] getSpanForWidget(Context context, AppWidgetProviderInfo info) { 1269 return getSpanForWidget(context, info.provider, info.minWidth, info.minHeight); 1270 } 1271 1272 static int[] getMinSpanForWidget(Context context, AppWidgetProviderInfo info) { 1273 return getSpanForWidget(context, info.provider, info.minResizeWidth, info.minResizeHeight); 1274 } 1275 1276 static int[] getSpanForWidget(Context context, PendingAddWidgetInfo info) { 1277 return getSpanForWidget(context, info.componentName, info.minWidth, info.minHeight); 1278 } 1279 1280 static int[] getMinSpanForWidget(Context context, PendingAddWidgetInfo info) { 1281 return getSpanForWidget(context, info.componentName, info.minResizeWidth, 1282 info.minResizeHeight); 1283 } 1284 1285 /** 1286 * Add a widget to the workspace. 1287 * 1288 * @param appWidgetId The app widget id 1289 * @param cellInfo The position on screen where to create the widget. 1290 */ 1291 private void completeAddAppWidget(final int appWidgetId, long container, long screenId, 1292 AppWidgetHostView hostView, AppWidgetProviderInfo appWidgetInfo) { 1293 if (appWidgetInfo == null) { 1294 appWidgetInfo = mAppWidgetManager.getAppWidgetInfo(appWidgetId); 1295 } 1296 1297 // Calculate the grid spans needed to fit this widget 1298 CellLayout layout = getCellLayout(container, screenId); 1299 1300 int[] minSpanXY = getMinSpanForWidget(this, appWidgetInfo); 1301 int[] spanXY = getSpanForWidget(this, appWidgetInfo); 1302 1303 // Try finding open space on Launcher screen 1304 // We have saved the position to which the widget was dragged-- this really only matters 1305 // if we are placing widgets on a "spring-loaded" screen 1306 int[] cellXY = mTmpAddItemCellCoordinates; 1307 int[] touchXY = mPendingAddInfo.dropPos; 1308 int[] finalSpan = new int[2]; 1309 boolean foundCellSpan = false; 1310 if (mPendingAddInfo.cellX >= 0 && mPendingAddInfo.cellY >= 0) { 1311 cellXY[0] = mPendingAddInfo.cellX; 1312 cellXY[1] = mPendingAddInfo.cellY; 1313 spanXY[0] = mPendingAddInfo.spanX; 1314 spanXY[1] = mPendingAddInfo.spanY; 1315 foundCellSpan = true; 1316 } else if (touchXY != null) { 1317 // when dragging and dropping, just find the closest free spot 1318 int[] result = layout.findNearestVacantArea( 1319 touchXY[0], touchXY[1], minSpanXY[0], minSpanXY[1], spanXY[0], 1320 spanXY[1], cellXY, finalSpan); 1321 spanXY[0] = finalSpan[0]; 1322 spanXY[1] = finalSpan[1]; 1323 foundCellSpan = (result != null); 1324 } else { 1325 foundCellSpan = layout.findCellForSpan(cellXY, minSpanXY[0], minSpanXY[1]); 1326 } 1327 1328 if (!foundCellSpan) { 1329 if (appWidgetId != -1) { 1330 // Deleting an app widget ID is a void call but writes to disk before returning 1331 // to the caller... 1332 new Thread("deleteAppWidgetId") { 1333 public void run() { 1334 mAppWidgetHost.deleteAppWidgetId(appWidgetId); 1335 } 1336 }.start(); 1337 } 1338 showOutOfSpaceMessage(isHotseatLayout(layout)); 1339 return; 1340 } 1341 1342 // Build Launcher-specific widget info and save to database 1343 LauncherAppWidgetInfo launcherInfo = new LauncherAppWidgetInfo(appWidgetId, 1344 appWidgetInfo.provider); 1345 launcherInfo.spanX = spanXY[0]; 1346 launcherInfo.spanY = spanXY[1]; 1347 launcherInfo.minSpanX = mPendingAddInfo.minSpanX; 1348 launcherInfo.minSpanY = mPendingAddInfo.minSpanY; 1349 1350 LauncherModel.addItemToDatabase(this, launcherInfo, 1351 container, screenId, cellXY[0], cellXY[1], false); 1352 1353 if (!mRestoring) { 1354 if (hostView == null) { 1355 // Perform actual inflation because we're live 1356 launcherInfo.hostView = mAppWidgetHost.createView(this, appWidgetId, appWidgetInfo); 1357 launcherInfo.hostView.setAppWidget(appWidgetId, appWidgetInfo); 1358 } else { 1359 // The AppWidgetHostView has already been inflated and instantiated 1360 launcherInfo.hostView = hostView; 1361 } 1362 1363 launcherInfo.hostView.setTag(launcherInfo); 1364 launcherInfo.hostView.setVisibility(View.VISIBLE); 1365 launcherInfo.notifyWidgetSizeChanged(this); 1366 1367 mWorkspace.addInScreen(launcherInfo.hostView, container, screenId, cellXY[0], cellXY[1], 1368 launcherInfo.spanX, launcherInfo.spanY, isWorkspaceLocked()); 1369 1370 addWidgetToAutoAdvanceIfNeeded(launcherInfo.hostView, appWidgetInfo); 1371 } 1372 resetAddInfo(); 1373 } 1374 1375 private final BroadcastReceiver mReceiver = new BroadcastReceiver() { 1376 @Override 1377 public void onReceive(Context context, Intent intent) { 1378 final String action = intent.getAction(); 1379 if (Intent.ACTION_SCREEN_OFF.equals(action)) { 1380 mUserPresent = false; 1381 mDragLayer.clearAllResizeFrames(); 1382 updateRunning(); 1383 1384 // Reset AllApps to its initial state only if we are not in the middle of 1385 // processing a multi-step drop 1386 if (mAppsCustomizeTabHost != null && mPendingAddInfo.container == ItemInfo.NO_ID) { 1387 mAppsCustomizeTabHost.reset(); 1388 showWorkspace(false); 1389 } 1390 } else if (Intent.ACTION_USER_PRESENT.equals(action)) { 1391 mUserPresent = true; 1392 updateRunning(); 1393 } 1394 } 1395 }; 1396 1397 @Override 1398 public void onAttachedToWindow() { 1399 super.onAttachedToWindow(); 1400 1401 // Listen for broadcasts related to user-presence 1402 final IntentFilter filter = new IntentFilter(); 1403 filter.addAction(Intent.ACTION_SCREEN_OFF); 1404 filter.addAction(Intent.ACTION_USER_PRESENT); 1405 registerReceiver(mReceiver, filter); 1406 FirstFrameAnimatorHelper.initializeDrawListener(getWindow().getDecorView()); 1407 mAttached = true; 1408 mVisible = true; 1409 } 1410 1411 @Override 1412 public void onDetachedFromWindow() { 1413 super.onDetachedFromWindow(); 1414 mVisible = false; 1415 1416 if (mAttached) { 1417 unregisterReceiver(mReceiver); 1418 mAttached = false; 1419 } 1420 updateRunning(); 1421 } 1422 1423 public void onWindowVisibilityChanged(int visibility) { 1424 mVisible = visibility == View.VISIBLE; 1425 updateRunning(); 1426 // The following code used to be in onResume, but it turns out onResume is called when 1427 // you're in All Apps and click home to go to the workspace. onWindowVisibilityChanged 1428 // is a more appropriate event to handle 1429 if (mVisible) { 1430 mAppsCustomizeTabHost.onWindowVisible(); 1431 if (!mWorkspaceLoading) { 1432 final ViewTreeObserver observer = mWorkspace.getViewTreeObserver(); 1433 // We want to let Launcher draw itself at least once before we force it to build 1434 // layers on all the workspace pages, so that transitioning to Launcher from other 1435 // apps is nice and speedy. 1436 observer.addOnDrawListener(new ViewTreeObserver.OnDrawListener() { 1437 private boolean mStarted = false; 1438 public void onDraw() { 1439 if (mStarted) return; 1440 mStarted = true; 1441 // We delay the layer building a bit in order to give 1442 // other message processing a time to run. In particular 1443 // this avoids a delay in hiding the IME if it was 1444 // currently shown, because doing that may involve 1445 // some communication back with the app. 1446 mWorkspace.postDelayed(mBuildLayersRunnable, 500); 1447 final ViewTreeObserver.OnDrawListener listener = this; 1448 mWorkspace.post(new Runnable() { 1449 public void run() { 1450 if (mWorkspace != null && 1451 mWorkspace.getViewTreeObserver() != null) { 1452 mWorkspace.getViewTreeObserver(). 1453 removeOnDrawListener(listener); 1454 } 1455 } 1456 }); 1457 return; 1458 } 1459 }); 1460 } 1461 // When Launcher comes back to foreground, a different Activity might be responsible for 1462 // the app market intent, so refresh the icon 1463 updateAppMarketIcon(); 1464 clearTypedText(); 1465 } 1466 } 1467 1468 private void sendAdvanceMessage(long delay) { 1469 mHandler.removeMessages(ADVANCE_MSG); 1470 Message msg = mHandler.obtainMessage(ADVANCE_MSG); 1471 mHandler.sendMessageDelayed(msg, delay); 1472 mAutoAdvanceSentTime = System.currentTimeMillis(); 1473 } 1474 1475 private void updateRunning() { 1476 boolean autoAdvanceRunning = mVisible && mUserPresent && !mWidgetsToAdvance.isEmpty(); 1477 if (autoAdvanceRunning != mAutoAdvanceRunning) { 1478 mAutoAdvanceRunning = autoAdvanceRunning; 1479 if (autoAdvanceRunning) { 1480 long delay = mAutoAdvanceTimeLeft == -1 ? mAdvanceInterval : mAutoAdvanceTimeLeft; 1481 sendAdvanceMessage(delay); 1482 } else { 1483 if (!mWidgetsToAdvance.isEmpty()) { 1484 mAutoAdvanceTimeLeft = Math.max(0, mAdvanceInterval - 1485 (System.currentTimeMillis() - mAutoAdvanceSentTime)); 1486 } 1487 mHandler.removeMessages(ADVANCE_MSG); 1488 mHandler.removeMessages(0); // Remove messages sent using postDelayed() 1489 } 1490 } 1491 } 1492 1493 private final Handler mHandler = new Handler() { 1494 @Override 1495 public void handleMessage(Message msg) { 1496 if (msg.what == ADVANCE_MSG) { 1497 int i = 0; 1498 for (View key: mWidgetsToAdvance.keySet()) { 1499 final View v = key.findViewById(mWidgetsToAdvance.get(key).autoAdvanceViewId); 1500 final int delay = mAdvanceStagger * i; 1501 if (v instanceof Advanceable) { 1502 postDelayed(new Runnable() { 1503 public void run() { 1504 ((Advanceable) v).advance(); 1505 } 1506 }, delay); 1507 } 1508 i++; 1509 } 1510 sendAdvanceMessage(mAdvanceInterval); 1511 } 1512 } 1513 }; 1514 1515 void addWidgetToAutoAdvanceIfNeeded(View hostView, AppWidgetProviderInfo appWidgetInfo) { 1516 if (appWidgetInfo == null || appWidgetInfo.autoAdvanceViewId == -1) return; 1517 View v = hostView.findViewById(appWidgetInfo.autoAdvanceViewId); 1518 if (v instanceof Advanceable) { 1519 mWidgetsToAdvance.put(hostView, appWidgetInfo); 1520 ((Advanceable) v).fyiWillBeAdvancedByHostKThx(); 1521 updateRunning(); 1522 } 1523 } 1524 1525 void removeWidgetToAutoAdvance(View hostView) { 1526 if (mWidgetsToAdvance.containsKey(hostView)) { 1527 mWidgetsToAdvance.remove(hostView); 1528 updateRunning(); 1529 } 1530 } 1531 1532 public void removeAppWidget(LauncherAppWidgetInfo launcherInfo) { 1533 removeWidgetToAutoAdvance(launcherInfo.hostView); 1534 launcherInfo.hostView = null; 1535 } 1536 1537 void showOutOfSpaceMessage(boolean isHotseatLayout) { 1538 int strId = (isHotseatLayout ? R.string.hotseat_out_of_space : R.string.out_of_space); 1539 Toast.makeText(this, getString(strId), Toast.LENGTH_SHORT).show(); 1540 } 1541 1542 public LauncherAppWidgetHost getAppWidgetHost() { 1543 return mAppWidgetHost; 1544 } 1545 1546 public LauncherModel getModel() { 1547 return mModel; 1548 } 1549 1550 public void closeSystemDialogs() { 1551 getWindow().closeAllPanels(); 1552 1553 // Whatever we were doing is hereby canceled. 1554 mWaitingForResult = false; 1555 } 1556 1557 @Override 1558 protected void onNewIntent(Intent intent) { 1559 long startTime = 0; 1560 if (DEBUG_RESUME_TIME) { 1561 startTime = System.currentTimeMillis(); 1562 } 1563 super.onNewIntent(intent); 1564 1565 // Close the menu 1566 if (Intent.ACTION_MAIN.equals(intent.getAction())) { 1567 // also will cancel mWaitingForResult. 1568 closeSystemDialogs(); 1569 1570 final boolean alreadyOnHome = 1571 ((intent.getFlags() & Intent.FLAG_ACTIVITY_BROUGHT_TO_FRONT) 1572 != Intent.FLAG_ACTIVITY_BROUGHT_TO_FRONT); 1573 1574 Runnable processIntent = new Runnable() { 1575 public void run() { 1576 if (mWorkspace == null) { 1577 // Can be cases where mWorkspace is null, this prevents a NPE 1578 return; 1579 } 1580 Folder openFolder = mWorkspace.getOpenFolder(); 1581 // In all these cases, only animate if we're already on home 1582 mWorkspace.exitWidgetResizeMode(); 1583 if (alreadyOnHome && mState == State.WORKSPACE && !mWorkspace.isTouchActive() && 1584 openFolder == null) { 1585 mWorkspace.moveToDefaultScreen(true); 1586 } 1587 1588 closeFolder(); 1589 exitSpringLoadedDragMode(); 1590 1591 // If we are already on home, then just animate back to the workspace, 1592 // otherwise, just wait until onResume to set the state back to Workspace 1593 if (alreadyOnHome) { 1594 showWorkspace(true); 1595 if (mWorkspace.isInOverviewMode()) { 1596 mWorkspace.exitOverviewMode(); 1597 } 1598 } else { 1599 mOnResumeState = State.WORKSPACE; 1600 } 1601 1602 final View v = getWindow().peekDecorView(); 1603 if (v != null && v.getWindowToken() != null) { 1604 InputMethodManager imm = (InputMethodManager)getSystemService( 1605 INPUT_METHOD_SERVICE); 1606 imm.hideSoftInputFromWindow(v.getWindowToken(), 0); 1607 } 1608 1609 // Reset AllApps to its initial state 1610 if (!alreadyOnHome && mAppsCustomizeTabHost != null) { 1611 mAppsCustomizeTabHost.reset(); 1612 } 1613 } 1614 }; 1615 1616 if (alreadyOnHome && !mWorkspace.hasWindowFocus()) { 1617 // Delay processing of the intent to allow the status bar animation to finish 1618 // first in order to avoid janky animations. 1619 mWorkspace.postDelayed(processIntent, 350); 1620 } else { 1621 // Process the intent immediately. 1622 processIntent.run(); 1623 } 1624 1625 } 1626 if (DEBUG_RESUME_TIME) { 1627 Log.d(TAG, "Time spent in onNewIntent: " + (System.currentTimeMillis() - startTime)); 1628 } 1629 } 1630 1631 @Override 1632 public void onRestoreInstanceState(Bundle state) { 1633 super.onRestoreInstanceState(state); 1634 for (int page: mSynchronouslyBoundPages) { 1635 mWorkspace.restoreInstanceStateForChild(page); 1636 } 1637 } 1638 1639 @Override 1640 protected void onSaveInstanceState(Bundle outState) { 1641 outState.putInt(RUNTIME_STATE_CURRENT_SCREEN, mWorkspace.getNextPage()); 1642 super.onSaveInstanceState(outState); 1643 1644 outState.putInt(RUNTIME_STATE, mState.ordinal()); 1645 // We close any open folder since it will not be re-opened, and we need to make sure 1646 // this state is reflected. 1647 closeFolder(); 1648 1649 if (mPendingAddInfo.container != ItemInfo.NO_ID && mPendingAddInfo.screenId > -1 && 1650 mWaitingForResult) { 1651 outState.putLong(RUNTIME_STATE_PENDING_ADD_CONTAINER, mPendingAddInfo.container); 1652 outState.putLong(RUNTIME_STATE_PENDING_ADD_SCREEN, mPendingAddInfo.screenId); 1653 outState.putInt(RUNTIME_STATE_PENDING_ADD_CELL_X, mPendingAddInfo.cellX); 1654 outState.putInt(RUNTIME_STATE_PENDING_ADD_CELL_Y, mPendingAddInfo.cellY); 1655 outState.putInt(RUNTIME_STATE_PENDING_ADD_SPAN_X, mPendingAddInfo.spanX); 1656 outState.putInt(RUNTIME_STATE_PENDING_ADD_SPAN_Y, mPendingAddInfo.spanY); 1657 outState.putParcelable(RUNTIME_STATE_PENDING_ADD_WIDGET_INFO, mPendingAddWidgetInfo); 1658 } 1659 1660 if (mFolderInfo != null && mWaitingForResult) { 1661 outState.putBoolean(RUNTIME_STATE_PENDING_FOLDER_RENAME, true); 1662 outState.putLong(RUNTIME_STATE_PENDING_FOLDER_RENAME_ID, mFolderInfo.id); 1663 } 1664 1665 // Save the current AppsCustomize tab 1666 if (mAppsCustomizeTabHost != null) { 1667 String currentTabTag = mAppsCustomizeTabHost.getCurrentTabTag(); 1668 if (currentTabTag != null) { 1669 outState.putString("apps_customize_currentTab", currentTabTag); 1670 } 1671 int currentIndex = mAppsCustomizeContent.getSaveInstanceStateIndex(); 1672 outState.putInt("apps_customize_currentIndex", currentIndex); 1673 } 1674 } 1675 1676 @Override 1677 public void onDestroy() { 1678 super.onDestroy(); 1679 1680 // Remove all pending runnables 1681 mHandler.removeMessages(ADVANCE_MSG); 1682 mHandler.removeMessages(0); 1683 mWorkspace.removeCallbacks(mBuildLayersRunnable); 1684 1685 // Stop callbacks from LauncherModel 1686 LauncherAppState app = (LauncherAppState.getInstance()); 1687 mModel.stopLoader(); 1688 app.setLauncher(null); 1689 1690 try { 1691 mAppWidgetHost.stopListening(); 1692 } catch (NullPointerException ex) { 1693 Log.w(TAG, "problem while stopping AppWidgetHost during Launcher destruction", ex); 1694 } 1695 mAppWidgetHost = null; 1696 1697 mWidgetsToAdvance.clear(); 1698 1699 TextKeyListener.getInstance().release(); 1700 1701 // Disconnect any of the callbacks and drawables associated with ItemInfos on the workspace 1702 // to prevent leaking Launcher activities on orientation change. 1703 if (mModel != null) { 1704 mModel.unbindItemInfosAndClearQueuedBindRunnables(); 1705 } 1706 1707 getContentResolver().unregisterContentObserver(mWidgetObserver); 1708 unregisterReceiver(mCloseSystemDialogsReceiver); 1709 1710 mDragLayer.clearAllResizeFrames(); 1711 ((ViewGroup) mWorkspace.getParent()).removeAllViews(); 1712 mWorkspace.removeAllViews(); 1713 mWorkspace = null; 1714 mDragController = null; 1715 1716 LauncherAnimUtils.onDestroyActivity(); 1717 } 1718 1719 public DragController getDragController() { 1720 return mDragController; 1721 } 1722 1723 @Override 1724 public void startActivityForResult(Intent intent, int requestCode) { 1725 if (requestCode >= 0) mWaitingForResult = true; 1726 super.startActivityForResult(intent, requestCode); 1727 } 1728 1729 /** 1730 * Indicates that we want global search for this activity by setting the globalSearch 1731 * argument for {@link #startSearch} to true. 1732 */ 1733 @Override 1734 public void startSearch(String initialQuery, boolean selectInitialQuery, 1735 Bundle appSearchData, boolean globalSearch) { 1736 1737 showWorkspace(true); 1738 1739 if (initialQuery == null) { 1740 // Use any text typed in the launcher as the initial query 1741 initialQuery = getTypedText(); 1742 } 1743 if (appSearchData == null) { 1744 appSearchData = new Bundle(); 1745 appSearchData.putString("source", "launcher-search"); 1746 } 1747 Rect sourceBounds = new Rect(); 1748 if (mSearchDropTargetBar != null) { 1749 sourceBounds = mSearchDropTargetBar.getSearchBarBounds(); 1750 } 1751 1752 startSearch(initialQuery, selectInitialQuery, 1753 appSearchData, sourceBounds); 1754 } 1755 1756 public void startSearch(String initialQuery, 1757 boolean selectInitialQuery, Bundle appSearchData, Rect sourceBounds) { 1758 startGlobalSearch(initialQuery, selectInitialQuery, 1759 appSearchData, sourceBounds); 1760 } 1761 1762 /** 1763 * Starts the global search activity. This code is a copied from SearchManager 1764 */ 1765 private void startGlobalSearch(String initialQuery, 1766 boolean selectInitialQuery, Bundle appSearchData, Rect sourceBounds) { 1767 final SearchManager searchManager = 1768 (SearchManager) getSystemService(Context.SEARCH_SERVICE); 1769 ComponentName globalSearchActivity = searchManager.getGlobalSearchActivity(); 1770 if (globalSearchActivity == null) { 1771 Log.w(TAG, "No global search activity found."); 1772 return; 1773 } 1774 Intent intent = new Intent(SearchManager.INTENT_ACTION_GLOBAL_SEARCH); 1775 intent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK); 1776 intent.setComponent(globalSearchActivity); 1777 // Make sure that we have a Bundle to put source in 1778 if (appSearchData == null) { 1779 appSearchData = new Bundle(); 1780 } else { 1781 appSearchData = new Bundle(appSearchData); 1782 } 1783 // Set source to package name of app that starts global search, if not set already. 1784 if (!appSearchData.containsKey("source")) { 1785 appSearchData.putString("source", getPackageName()); 1786 } 1787 intent.putExtra(SearchManager.APP_DATA, appSearchData); 1788 if (!TextUtils.isEmpty(initialQuery)) { 1789 intent.putExtra(SearchManager.QUERY, initialQuery); 1790 } 1791 if (selectInitialQuery) { 1792 intent.putExtra(SearchManager.EXTRA_SELECT_QUERY, selectInitialQuery); 1793 } 1794 intent.setSourceBounds(sourceBounds); 1795 try { 1796 startActivity(intent); 1797 } catch (ActivityNotFoundException ex) { 1798 Log.e(TAG, "Global search activity not found: " + globalSearchActivity); 1799 } 1800 } 1801 1802 @Override 1803 public boolean onCreateOptionsMenu(Menu menu) { 1804 if (isWorkspaceLocked()) { 1805 return false; 1806 } 1807 1808 super.onCreateOptionsMenu(menu); 1809 1810 Intent manageApps = new Intent(Settings.ACTION_MANAGE_ALL_APPLICATIONS_SETTINGS); 1811 manageApps.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK 1812 | Intent.FLAG_ACTIVITY_EXCLUDE_FROM_RECENTS); 1813 Intent settings = new Intent(android.provider.Settings.ACTION_SETTINGS); 1814 settings.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK 1815 | Intent.FLAG_ACTIVITY_RESET_TASK_IF_NEEDED); 1816 String helpUrl = getString(R.string.help_url); 1817 Intent help = new Intent(Intent.ACTION_VIEW, Uri.parse(helpUrl)); 1818 help.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK 1819 | Intent.FLAG_ACTIVITY_EXCLUDE_FROM_RECENTS); 1820 1821 menu.add(MENU_GROUP_WALLPAPER, MENU_WALLPAPER_SETTINGS, 0, R.string.menu_wallpaper) 1822 .setIcon(android.R.drawable.ic_menu_gallery) 1823 .setAlphabeticShortcut('W'); 1824 menu.add(0, MENU_MANAGE_APPS, 0, R.string.menu_manage_apps) 1825 .setIcon(android.R.drawable.ic_menu_manage) 1826 .setIntent(manageApps) 1827 .setAlphabeticShortcut('M'); 1828 menu.add(0, MENU_SYSTEM_SETTINGS, 0, R.string.menu_settings) 1829 .setIcon(android.R.drawable.ic_menu_preferences) 1830 .setIntent(settings) 1831 .setAlphabeticShortcut('P'); 1832 if (!helpUrl.isEmpty()) { 1833 menu.add(0, MENU_HELP, 0, R.string.menu_help) 1834 .setIcon(android.R.drawable.ic_menu_help) 1835 .setIntent(help) 1836 .setAlphabeticShortcut('H'); 1837 } 1838 return true; 1839 } 1840 1841 @Override 1842 public boolean onPrepareOptionsMenu(Menu menu) { 1843 super.onPrepareOptionsMenu(menu); 1844 1845 if (mAppsCustomizeTabHost.isTransitioning()) { 1846 return false; 1847 } 1848 boolean allAppsVisible = (mAppsCustomizeTabHost.getVisibility() == View.VISIBLE); 1849 menu.setGroupVisible(MENU_GROUP_WALLPAPER, !allAppsVisible); 1850 1851 return true; 1852 } 1853 1854 @Override 1855 public boolean onOptionsItemSelected(MenuItem item) { 1856 switch (item.getItemId()) { 1857 case MENU_WALLPAPER_SETTINGS: 1858 startWallpaper(); 1859 return true; 1860 } 1861 1862 return super.onOptionsItemSelected(item); 1863 } 1864 1865 @Override 1866 public boolean onSearchRequested() { 1867 startSearch(null, false, null, true); 1868 // Use a custom animation for launching search 1869 return true; 1870 } 1871 1872 public boolean isWorkspaceLocked() { 1873 return mWorkspaceLoading || mWaitingForResult; 1874 } 1875 1876 private void resetAddInfo() { 1877 mPendingAddInfo.container = ItemInfo.NO_ID; 1878 mPendingAddInfo.screenId = -1; 1879 mPendingAddInfo.cellX = mPendingAddInfo.cellY = -1; 1880 mPendingAddInfo.spanX = mPendingAddInfo.spanY = -1; 1881 mPendingAddInfo.minSpanX = mPendingAddInfo.minSpanY = -1; 1882 mPendingAddInfo.dropPos = null; 1883 } 1884 1885 void addAppWidgetImpl(final int appWidgetId, ItemInfo info, AppWidgetHostView boundWidget, 1886 AppWidgetProviderInfo appWidgetInfo) { 1887 if (appWidgetInfo.configure != null) { 1888 mPendingAddWidgetInfo = appWidgetInfo; 1889 1890 // Launch over to configure widget, if needed 1891 Intent intent = new Intent(AppWidgetManager.ACTION_APPWIDGET_CONFIGURE); 1892 intent.setComponent(appWidgetInfo.configure); 1893 intent.putExtra(AppWidgetManager.EXTRA_APPWIDGET_ID, appWidgetId); 1894 Utilities.startActivityForResultSafely(this, intent, REQUEST_CREATE_APPWIDGET); 1895 } else { 1896 // Otherwise just add it 1897 completeAddAppWidget(appWidgetId, info.container, info.screenId, boundWidget, 1898 appWidgetInfo); 1899 // Exit spring loaded mode if necessary after adding the widget 1900 exitSpringLoadedDragModeDelayed(true, false, null); 1901 } 1902 } 1903 1904 /** 1905 * Process a shortcut drop. 1906 * 1907 * @param componentName The name of the component 1908 * @param screenId The ID of the screen where it should be added 1909 * @param cell The cell it should be added to, optional 1910 * @param position The location on the screen where it was dropped, optional 1911 */ 1912 void processShortcutFromDrop(ComponentName componentName, long container, long screenId, 1913 int[] cell, int[] loc) { 1914 resetAddInfo(); 1915 mPendingAddInfo.container = container; 1916 mPendingAddInfo.screenId = screenId; 1917 mPendingAddInfo.dropPos = loc; 1918 1919 if (cell != null) { 1920 mPendingAddInfo.cellX = cell[0]; 1921 mPendingAddInfo.cellY = cell[1]; 1922 } 1923 1924 Intent createShortcutIntent = new Intent(Intent.ACTION_CREATE_SHORTCUT); 1925 createShortcutIntent.setComponent(componentName); 1926 processShortcut(createShortcutIntent); 1927 } 1928 1929 /** 1930 * Process a widget drop. 1931 * 1932 * @param info The PendingAppWidgetInfo of the widget being added. 1933 * @param screenId The ID of the screen where it should be added 1934 * @param cell The cell it should be added to, optional 1935 * @param position The location on the screen where it was dropped, optional 1936 */ 1937 void addAppWidgetFromDrop(PendingAddWidgetInfo info, long container, long screenId, 1938 int[] cell, int[] span, int[] loc) { 1939 resetAddInfo(); 1940 mPendingAddInfo.container = info.container = container; 1941 mPendingAddInfo.screenId = info.screenId = screenId; 1942 mPendingAddInfo.dropPos = loc; 1943 mPendingAddInfo.minSpanX = info.minSpanX; 1944 mPendingAddInfo.minSpanY = info.minSpanY; 1945 1946 if (cell != null) { 1947 mPendingAddInfo.cellX = cell[0]; 1948 mPendingAddInfo.cellY = cell[1]; 1949 } 1950 if (span != null) { 1951 mPendingAddInfo.spanX = span[0]; 1952 mPendingAddInfo.spanY = span[1]; 1953 } 1954 1955 AppWidgetHostView hostView = info.boundWidget; 1956 int appWidgetId; 1957 if (hostView != null) { 1958 appWidgetId = hostView.getAppWidgetId(); 1959 addAppWidgetImpl(appWidgetId, info, hostView, info.info); 1960 } else { 1961 // In this case, we either need to start an activity to get permission to bind 1962 // the widget, or we need to start an activity to configure the widget, or both. 1963 appWidgetId = getAppWidgetHost().allocateAppWidgetId(); 1964 Bundle options = info.bindOptions; 1965 1966 boolean success = false; 1967 if (options != null) { 1968 success = mAppWidgetManager.bindAppWidgetIdIfAllowed(appWidgetId, 1969 info.componentName, options); 1970 } else { 1971 success = mAppWidgetManager.bindAppWidgetIdIfAllowed(appWidgetId, 1972 info.componentName); 1973 } 1974 if (success) { 1975 addAppWidgetImpl(appWidgetId, info, null, info.info); 1976 } else { 1977 mPendingAddWidgetInfo = info.info; 1978 Intent intent = new Intent(AppWidgetManager.ACTION_APPWIDGET_BIND); 1979 intent.putExtra(AppWidgetManager.EXTRA_APPWIDGET_ID, appWidgetId); 1980 intent.putExtra(AppWidgetManager.EXTRA_APPWIDGET_PROVIDER, info.componentName); 1981 // TODO: we need to make sure that this accounts for the options bundle. 1982 // intent.putExtra(AppWidgetManager.EXTRA_APPWIDGET_OPTIONS, options); 1983 startActivityForResult(intent, REQUEST_BIND_APPWIDGET); 1984 } 1985 } 1986 } 1987 1988 void processShortcut(Intent intent) { 1989 // Handle case where user selected "Applications" 1990 String applicationName = getResources().getString(R.string.group_applications); 1991 String shortcutName = intent.getStringExtra(Intent.EXTRA_SHORTCUT_NAME); 1992 1993 if (applicationName != null && applicationName.equals(shortcutName)) { 1994 Intent mainIntent = new Intent(Intent.ACTION_MAIN, null); 1995 mainIntent.addCategory(Intent.CATEGORY_LAUNCHER); 1996 1997 Intent pickIntent = new Intent(Intent.ACTION_PICK_ACTIVITY); 1998 pickIntent.putExtra(Intent.EXTRA_INTENT, mainIntent); 1999 pickIntent.putExtra(Intent.EXTRA_TITLE, getText(R.string.title_select_application)); 2000 Utilities.startActivityForResultSafely(this, pickIntent, REQUEST_PICK_APPLICATION); 2001 } else { 2002 Utilities.startActivityForResultSafely(this, intent, REQUEST_CREATE_SHORTCUT); 2003 } 2004 } 2005 2006 void processWallpaper(Intent intent) { 2007 startActivityForResult(intent, REQUEST_PICK_WALLPAPER); 2008 } 2009 2010 FolderIcon addFolder(CellLayout layout, long container, final long screenId, int cellX, 2011 int cellY) { 2012 final FolderInfo folderInfo = new FolderInfo(); 2013 folderInfo.title = getText(R.string.folder_name); 2014 2015 // Update the model 2016 LauncherModel.addItemToDatabase(Launcher.this, folderInfo, container, screenId, cellX, cellY, 2017 false); 2018 sFolders.put(folderInfo.id, folderInfo); 2019 2020 // Create the view 2021 FolderIcon newFolder = 2022 FolderIcon.fromXml(R.layout.folder_icon, this, layout, folderInfo, mIconCache); 2023 mWorkspace.addInScreen(newFolder, container, screenId, cellX, cellY, 1, 1, 2024 isWorkspaceLocked()); 2025 // Force measure the new folder icon 2026 CellLayout parent = mWorkspace.getParentCellLayoutForView(newFolder); 2027 parent.getShortcutsAndWidgets().measureChild(newFolder); 2028 return newFolder; 2029 } 2030 2031 void removeFolder(FolderInfo folder) { 2032 sFolders.remove(folder.id); 2033 } 2034 2035 private void startWallpaper() { 2036 showWorkspace(true); 2037 final Intent pickWallpaper = new Intent(Intent.ACTION_SET_WALLPAPER); 2038 pickWallpaper.setComponent( 2039 new ComponentName(getPackageName(), WallpaperPickerActivity.class.getName())); 2040 startActivityForResult(pickWallpaper, REQUEST_PICK_WALLPAPER); 2041 } 2042 2043 /** 2044 * Registers various content observers. The current implementation registers 2045 * only a favorites observer to keep track of the favorites applications. 2046 */ 2047 private void registerContentObservers() { 2048 ContentResolver resolver = getContentResolver(); 2049 resolver.registerContentObserver(LauncherProvider.CONTENT_APPWIDGET_RESET_URI, 2050 true, mWidgetObserver); 2051 } 2052 2053 @Override 2054 public boolean dispatchKeyEvent(KeyEvent event) { 2055 if (event.getAction() == KeyEvent.ACTION_DOWN) { 2056 switch (event.getKeyCode()) { 2057 case KeyEvent.KEYCODE_HOME: 2058 return true; 2059 case KeyEvent.KEYCODE_VOLUME_DOWN: 2060 if (isPropertyEnabled(DUMP_STATE_PROPERTY)) { 2061 dumpState(); 2062 return true; 2063 } 2064 break; 2065 } 2066 } else if (event.getAction() == KeyEvent.ACTION_UP) { 2067 switch (event.getKeyCode()) { 2068 case KeyEvent.KEYCODE_HOME: 2069 return true; 2070 } 2071 } 2072 2073 return super.dispatchKeyEvent(event); 2074 } 2075 2076 @Override 2077 public void onBackPressed() { 2078 if (isAllAppsVisible()) { 2079 showWorkspace(true); 2080 } else if (mWorkspace.isInOverviewMode()) { 2081 mWorkspace.exitOverviewMode(); 2082 } else if (mWorkspace.getOpenFolder() != null) { 2083 Folder openFolder = mWorkspace.getOpenFolder(); 2084 if (openFolder.isEditingName()) { 2085 openFolder.dismissEditingName(); 2086 } else { 2087 closeFolder(); 2088 } 2089 } else { 2090 mWorkspace.exitWidgetResizeMode(); 2091 2092 // Back button is a no-op here, but give at least some feedback for the button press 2093 mWorkspace.showOutlinesTemporarily(); 2094 } 2095 } 2096 2097 /** 2098 * Re-listen when widgets are reset. 2099 */ 2100 private void onAppWidgetReset() { 2101 if (mAppWidgetHost != null) { 2102 mAppWidgetHost.startListening(); 2103 } 2104 } 2105 2106 /** 2107 * Launches the intent referred by the clicked shortcut. 2108 * 2109 * @param v The view representing the clicked shortcut. 2110 */ 2111 public void onClick(View v) { 2112 // Make sure that rogue clicks don't get through while allapps is launching, or after the 2113 // view has detached (it's possible for this to happen if the view is removed mid touch). 2114 if (v.getWindowToken() == null) { 2115 return; 2116 } 2117 2118 if (!mWorkspace.isFinishedSwitchingState()) { 2119 return; 2120 } 2121 2122 if (v instanceof PageIndicator) { 2123 if (!mWorkspace.isInOverviewMode()) { 2124 mWorkspace.enterOverviewMode(); 2125 } 2126 return; 2127 } 2128 2129 if (v instanceof CellLayout) { 2130 if (mWorkspace.isInOverviewMode()) { 2131 mWorkspace.exitOverviewMode(mWorkspace.indexOfChild(v)); 2132 } 2133 } 2134 2135 Object tag = v.getTag(); 2136 if (tag instanceof ShortcutInfo) { 2137 // Open shortcut 2138 final ShortcutInfo shortcut = (ShortcutInfo) tag; 2139 final Intent intent = shortcut.intent; 2140 2141 // Check for special shortcuts 2142 if (intent.getComponent() != null) { 2143 final String shortcutClass = intent.getComponent().getClassName(); 2144 2145 if (shortcutClass.equals(WidgetAdder.class.getName())) { 2146 showAllApps(true); 2147 return; 2148 } else if (shortcutClass.equals(MemoryDumpActivity.class.getName())) { 2149 MemoryDumpActivity.startDump(this); 2150 return; 2151 } else if (shortcutClass.equals(ToggleWeightWatcher.class.getName())) { 2152 toggleShowWeightWatcher(); 2153 return; 2154 } 2155 } 2156 2157 // Start activities 2158 int[] pos = new int[2]; 2159 v.getLocationOnScreen(pos); 2160 intent.setSourceBounds(new Rect(pos[0], pos[1], 2161 pos[0] + v.getWidth(), pos[1] + v.getHeight())); 2162 2163 boolean success = startActivitySafely(v, intent, tag); 2164 2165 mStats.recordLaunch(intent, shortcut); 2166 2167 if (success && v instanceof BubbleTextView) { 2168 mWaitingForResume = (BubbleTextView) v; 2169 mWaitingForResume.setStayPressed(true); 2170 } 2171 } else if (tag instanceof FolderInfo) { 2172 if (v instanceof FolderIcon) { 2173 FolderIcon fi = (FolderIcon) v; 2174 handleFolderClick(fi); 2175 } 2176 } else if (v == mAllAppsButton) { 2177 if (isAllAppsVisible()) { 2178 showWorkspace(true); 2179 } else { 2180 onClickAllAppsButton(v); 2181 } 2182 } 2183 } 2184 2185 public boolean onTouch(View v, MotionEvent event) { 2186 return false; 2187 } 2188 2189 /** 2190 * Event handler for the search button 2191 * 2192 * @param v The view that was clicked. 2193 */ 2194 public void onClickSearchButton(View v) { 2195 v.performHapticFeedback(HapticFeedbackConstants.VIRTUAL_KEY); 2196 2197 onSearchRequested(); 2198 } 2199 2200 /** 2201 * Event handler for the voice button 2202 * 2203 * @param v The view that was clicked. 2204 */ 2205 public void onClickVoiceButton(View v) { 2206 v.performHapticFeedback(HapticFeedbackConstants.VIRTUAL_KEY); 2207 2208 startVoice(); 2209 } 2210 2211 public void startVoice() { 2212 try { 2213 final SearchManager searchManager = 2214 (SearchManager) getSystemService(Context.SEARCH_SERVICE); 2215 ComponentName activityName = searchManager.getGlobalSearchActivity(); 2216 Intent intent = new Intent(RecognizerIntent.ACTION_WEB_SEARCH); 2217 intent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK); 2218 if (activityName != null) { 2219 intent.setPackage(activityName.getPackageName()); 2220 } 2221 startActivity(null, intent, "onClickVoiceButton"); 2222 } catch (ActivityNotFoundException e) { 2223 Intent intent = new Intent(RecognizerIntent.ACTION_WEB_SEARCH); 2224 intent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK); 2225 startActivitySafely(null, intent, "onClickVoiceButton"); 2226 } 2227 } 2228 2229 /** 2230 * Event handler for the "grid" button that appears on the home screen, which 2231 * enters all apps mode. 2232 * 2233 * @param v The view that was clicked. 2234 */ 2235 public void onClickAllAppsButton(View v) { 2236 showAllApps(true); 2237 } 2238 2239 public void onTouchDownAllAppsButton(View v) { 2240 // Provide the same haptic feedback that the system offers for virtual keys. 2241 v.performHapticFeedback(HapticFeedbackConstants.VIRTUAL_KEY); 2242 } 2243 2244 public void onClickAppMarketButton(View v) { 2245 if (mAppMarketIntent != null) { 2246 startActivitySafely(v, mAppMarketIntent, "app market"); 2247 } else { 2248 Log.e(TAG, "Invalid app market intent."); 2249 } 2250 } 2251 2252 void startApplicationDetailsActivity(ComponentName componentName) { 2253 String packageName = componentName.getPackageName(); 2254 Intent intent = new Intent(Settings.ACTION_APPLICATION_DETAILS_SETTINGS, 2255 Uri.fromParts("package", packageName, null)); 2256 intent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK | Intent.FLAG_ACTIVITY_EXCLUDE_FROM_RECENTS); 2257 startActivitySafely(null, intent, "startApplicationDetailsActivity"); 2258 } 2259 2260 // returns true if the activity was started 2261 boolean startApplicationUninstallActivity(ComponentName componentName, int flags) { 2262 if ((flags & ApplicationInfo.DOWNLOADED_FLAG) == 0) { 2263 // System applications cannot be installed. For now, show a toast explaining that. 2264 // We may give them the option of disabling apps this way. 2265 int messageId = R.string.uninstall_system_app_text; 2266 Toast.makeText(this, messageId, Toast.LENGTH_SHORT).show(); 2267 return false; 2268 } else { 2269 String packageName = componentName.getPackageName(); 2270 String className = componentName.getClassName(); 2271 Intent intent = new Intent( 2272 Intent.ACTION_DELETE, Uri.fromParts("package", packageName, className)); 2273 intent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK | 2274 Intent.FLAG_ACTIVITY_EXCLUDE_FROM_RECENTS); 2275 startActivity(intent); 2276 return true; 2277 } 2278 } 2279 2280 boolean startActivity(View v, Intent intent, Object tag) { 2281 intent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK); 2282 2283 try { 2284 // Only launch using the new animation if the shortcut has not opted out (this is a 2285 // private contract between launcher and may be ignored in the future). 2286 boolean useLaunchAnimation = (v != null) && 2287 !intent.hasExtra(INTENT_EXTRA_IGNORE_LAUNCH_ANIMATION); 2288 if (useLaunchAnimation) { 2289 ActivityOptions opts = ActivityOptions.makeScaleUpAnimation(v, 0, 0, 2290 v.getMeasuredWidth(), v.getMeasuredHeight()); 2291 2292 startActivity(intent, opts.toBundle()); 2293 } else { 2294 startActivity(intent); 2295 } 2296 return true; 2297 } catch (SecurityException e) { 2298 Toast.makeText(this, R.string.activity_not_found, Toast.LENGTH_SHORT).show(); 2299 Log.e(TAG, "Launcher does not have the permission to launch " + intent + 2300 ". Make sure to create a MAIN intent-filter for the corresponding activity " + 2301 "or use the exported attribute for this activity. " 2302 + "tag="+ tag + " intent=" + intent, e); 2303 } 2304 return false; 2305 } 2306 2307 boolean startActivitySafely(View v, Intent intent, Object tag) { 2308 boolean success = false; 2309 try { 2310 success = startActivity(v, intent, tag); 2311 } catch (ActivityNotFoundException e) { 2312 Toast.makeText(this, R.string.activity_not_found, Toast.LENGTH_SHORT).show(); 2313 Log.e(TAG, "Unable to launch. tag=" + tag + " intent=" + intent, e); 2314 } 2315 return success; 2316 } 2317 2318 private void handleFolderClick(FolderIcon folderIcon) { 2319 final FolderInfo info = folderIcon.getFolderInfo(); 2320 Folder openFolder = mWorkspace.getFolderForTag(info); 2321 2322 // If the folder info reports that the associated folder is open, then verify that 2323 // it is actually opened. There have been a few instances where this gets out of sync. 2324 if (info.opened && openFolder == null) { 2325 Log.d(TAG, "Folder info marked as open, but associated folder is not open. Screen: " 2326 + info.screenId + " (" + info.cellX + ", " + info.cellY + ")"); 2327 info.opened = false; 2328 } 2329 2330 if (!info.opened && !folderIcon.getFolder().isDestroyed()) { 2331 // Close any open folder 2332 closeFolder(); 2333 // Open the requested folder 2334 openFolder(folderIcon); 2335 } else { 2336 // Find the open folder... 2337 int folderScreen; 2338 if (openFolder != null) { 2339 folderScreen = mWorkspace.getPageForView(openFolder); 2340 // .. and close it 2341 closeFolder(openFolder); 2342 if (folderScreen != mWorkspace.getCurrentPage()) { 2343 // Close any folder open on the current screen 2344 closeFolder(); 2345 // Pull the folder onto this screen 2346 openFolder(folderIcon); 2347 } 2348 } 2349 } 2350 } 2351 2352 /** 2353 * This method draws the FolderIcon to an ImageView and then adds and positions that ImageView 2354 * in the DragLayer in the exact absolute location of the original FolderIcon. 2355 */ 2356 private void copyFolderIconToImage(FolderIcon fi) { 2357 final int width = fi.getMeasuredWidth(); 2358 final int height = fi.getMeasuredHeight(); 2359 2360 // Lazy load ImageView, Bitmap and Canvas 2361 if (mFolderIconImageView == null) { 2362 mFolderIconImageView = new ImageView(this); 2363 } 2364 if (mFolderIconBitmap == null || mFolderIconBitmap.getWidth() != width || 2365 mFolderIconBitmap.getHeight() != height) { 2366 mFolderIconBitmap = Bitmap.createBitmap(width, height, Bitmap.Config.ARGB_8888); 2367 mFolderIconCanvas = new Canvas(mFolderIconBitmap); 2368 } 2369 2370 DragLayer.LayoutParams lp; 2371 if (mFolderIconImageView.getLayoutParams() instanceof DragLayer.LayoutParams) { 2372 lp = (DragLayer.LayoutParams) mFolderIconImageView.getLayoutParams(); 2373 } else { 2374 lp = new DragLayer.LayoutParams(width, height); 2375 } 2376 2377 // The layout from which the folder is being opened may be scaled, adjust the starting 2378 // view size by this scale factor. 2379 float scale = mDragLayer.getDescendantRectRelativeToSelf(fi, mRectForFolderAnimation); 2380 lp.customPosition = true; 2381 lp.x = mRectForFolderAnimation.left; 2382 lp.y = mRectForFolderAnimation.top; 2383 lp.width = (int) (scale * width); 2384 lp.height = (int) (scale * height); 2385 2386 mFolderIconCanvas.drawColor(0, PorterDuff.Mode.CLEAR); 2387 fi.draw(mFolderIconCanvas); 2388 mFolderIconImageView.setImageBitmap(mFolderIconBitmap); 2389 if (fi.getFolder() != null) { 2390 mFolderIconImageView.setPivotX(fi.getFolder().getPivotXForIconAnimation()); 2391 mFolderIconImageView.setPivotY(fi.getFolder().getPivotYForIconAnimation()); 2392 } 2393 // Just in case this image view is still in the drag layer from a previous animation, 2394 // we remove it and re-add it. 2395 if (mDragLayer.indexOfChild(mFolderIconImageView) != -1) { 2396 mDragLayer.removeView(mFolderIconImageView); 2397 } 2398 mDragLayer.addView(mFolderIconImageView, lp); 2399 if (fi.getFolder() != null) { 2400 fi.getFolder().bringToFront(); 2401 } 2402 } 2403 2404 private void growAndFadeOutFolderIcon(FolderIcon fi) { 2405 if (fi == null) return; 2406 PropertyValuesHolder alpha = PropertyValuesHolder.ofFloat("alpha", 0); 2407 PropertyValuesHolder scaleX = PropertyValuesHolder.ofFloat("scaleX", 1.5f); 2408 PropertyValuesHolder scaleY = PropertyValuesHolder.ofFloat("scaleY", 1.5f); 2409 2410 FolderInfo info = (FolderInfo) fi.getTag(); 2411 if (info.container == LauncherSettings.Favorites.CONTAINER_HOTSEAT) { 2412 CellLayout cl = (CellLayout) fi.getParent().getParent(); 2413 CellLayout.LayoutParams lp = (CellLayout.LayoutParams) fi.getLayoutParams(); 2414 cl.setFolderLeaveBehindCell(lp.cellX, lp.cellY); 2415 } 2416 2417 // Push an ImageView copy of the FolderIcon into the DragLayer and hide the original 2418 copyFolderIconToImage(fi); 2419 fi.setVisibility(View.INVISIBLE); 2420 2421 ObjectAnimator oa = LauncherAnimUtils.ofPropertyValuesHolder(mFolderIconImageView, alpha, 2422 scaleX, scaleY); 2423 oa.setDuration(getResources().getInteger(R.integer.config_folderAnimDuration)); 2424 oa.start(); 2425 } 2426 2427 private void shrinkAndFadeInFolderIcon(final FolderIcon fi) { 2428 if (fi == null) return; 2429 PropertyValuesHolder alpha = PropertyValuesHolder.ofFloat("alpha", 1.0f); 2430 PropertyValuesHolder scaleX = PropertyValuesHolder.ofFloat("scaleX", 1.0f); 2431 PropertyValuesHolder scaleY = PropertyValuesHolder.ofFloat("scaleY", 1.0f); 2432 2433 final CellLayout cl = (CellLayout) fi.getParent().getParent(); 2434 2435 // We remove and re-draw the FolderIcon in-case it has changed 2436 mDragLayer.removeView(mFolderIconImageView); 2437 copyFolderIconToImage(fi); 2438 ObjectAnimator oa = LauncherAnimUtils.ofPropertyValuesHolder(mFolderIconImageView, alpha, 2439 scaleX, scaleY); 2440 oa.setDuration(getResources().getInteger(R.integer.config_folderAnimDuration)); 2441 oa.addListener(new AnimatorListenerAdapter() { 2442 @Override 2443 public void onAnimationEnd(Animator animation) { 2444 if (cl != null) { 2445 cl.clearFolderLeaveBehind(); 2446 // Remove the ImageView copy of the FolderIcon and make the original visible. 2447 mDragLayer.removeView(mFolderIconImageView); 2448 fi.setVisibility(View.VISIBLE); 2449 } 2450 } 2451 }); 2452 oa.start(); 2453 } 2454 2455 /** 2456 * Opens the user folder described by the specified tag. The opening of the folder 2457 * is animated relative to the specified View. If the View is null, no animation 2458 * is played. 2459 * 2460 * @param folderInfo The FolderInfo describing the folder to open. 2461 */ 2462 public void openFolder(FolderIcon folderIcon) { 2463 Folder folder = folderIcon.getFolder(); 2464 FolderInfo info = folder.mInfo; 2465 2466 info.opened = true; 2467 2468 // Just verify that the folder hasn't already been added to the DragLayer. 2469 // There was a one-off crash where the folder had a parent already. 2470 if (folder.getParent() == null) { 2471 mDragLayer.addView(folder); 2472 mDragController.addDropTarget((DropTarget) folder); 2473 } else { 2474 Log.w(TAG, "Opening folder (" + folder + ") which already has a parent (" + 2475 folder.getParent() + ")."); 2476 } 2477 folder.animateOpen(); 2478 growAndFadeOutFolderIcon(folderIcon); 2479 2480 // Notify the accessibility manager that this folder "window" has appeared and occluded 2481 // the workspace items 2482 folder.sendAccessibilityEvent(AccessibilityEvent.TYPE_WINDOW_STATE_CHANGED); 2483 getDragLayer().sendAccessibilityEvent(AccessibilityEvent.TYPE_WINDOW_CONTENT_CHANGED); 2484 } 2485 2486 public void closeFolder() { 2487 Folder folder = mWorkspace.getOpenFolder(); 2488 if (folder != null) { 2489 if (folder.isEditingName()) { 2490 folder.dismissEditingName(); 2491 } 2492 closeFolder(folder); 2493 2494 // Dismiss the folder cling 2495 dismissFolderCling(null); 2496 } 2497 } 2498 2499 void closeFolder(Folder folder) { 2500 folder.getInfo().opened = false; 2501 2502 ViewGroup parent = (ViewGroup) folder.getParent().getParent(); 2503 if (parent != null) { 2504 FolderIcon fi = (FolderIcon) mWorkspace.getViewForTag(folder.mInfo); 2505 shrinkAndFadeInFolderIcon(fi); 2506 } 2507 folder.animateClosed(); 2508 2509 // Notify the accessibility manager that this folder "window" has disappeard and no 2510 // longer occludeds the workspace items 2511 getDragLayer().sendAccessibilityEvent(AccessibilityEvent.TYPE_WINDOW_STATE_CHANGED); 2512 } 2513 2514 public boolean onLongClick(View v) { 2515 if (!isDraggingEnabled()) return false; 2516 if (isWorkspaceLocked()) return false; 2517 if (mState != State.WORKSPACE) return false; 2518 2519 if (!(v instanceof CellLayout)) { 2520 v = (View) v.getParent().getParent(); 2521 } 2522 2523 resetAddInfo(); 2524 CellLayout.CellInfo longClickCellInfo = (CellLayout.CellInfo) v.getTag(); 2525 // This happens when long clicking an item with the dpad/trackball 2526 if (longClickCellInfo == null) { 2527 return true; 2528 } 2529 2530 // The hotseat touch handling does not go through Workspace, and we always allow long press 2531 // on hotseat items. 2532 final View itemUnderLongClick = longClickCellInfo.cell; 2533 boolean allowLongPress = isHotseatLayout(v) || mWorkspace.allowLongPress(); 2534 if (allowLongPress && !mDragController.isDragging()) { 2535 if (itemUnderLongClick == null) { 2536 // User long pressed on empty space 2537 mWorkspace.performHapticFeedback(HapticFeedbackConstants.LONG_PRESS, 2538 HapticFeedbackConstants.FLAG_IGNORE_VIEW_SETTING); 2539 // Disabling reordering until we sort out some issues. 2540 if (mWorkspace.isInOverviewMode()) { 2541 mWorkspace.startReordering(v); 2542 } else { 2543 mWorkspace.enterOverviewMode(); 2544 } 2545 } else { 2546 if (!(itemUnderLongClick instanceof Folder)) { 2547 // User long pressed on an item 2548 mWorkspace.startDrag(longClickCellInfo); 2549 } 2550 } 2551 } 2552 return true; 2553 } 2554 2555 boolean isHotseatLayout(View layout) { 2556 return mHotseat != null && layout != null && 2557 (layout instanceof CellLayout) && (layout == mHotseat.getLayout()); 2558 } 2559 Hotseat getHotseat() { 2560 return mHotseat; 2561 } 2562 View getOverviewPanel() { 2563 return mOverviewPanel; 2564 } 2565 SearchDropTargetBar getSearchBar() { 2566 return mSearchDropTargetBar; 2567 } 2568 2569 /** 2570 * Returns the CellLayout of the specified container at the specified screen. 2571 */ 2572 CellLayout getCellLayout(long container, long screenId) { 2573 if (container == LauncherSettings.Favorites.CONTAINER_HOTSEAT) { 2574 if (mHotseat != null) { 2575 return mHotseat.getLayout(); 2576 } else { 2577 return null; 2578 } 2579 } else { 2580 return (CellLayout) mWorkspace.getScreenWithId(screenId); 2581 } 2582 } 2583 2584 Workspace getWorkspace() { 2585 return mWorkspace; 2586 } 2587 2588 public boolean isAllAppsVisible() { 2589 return (mState == State.APPS_CUSTOMIZE) || (mOnResumeState == State.APPS_CUSTOMIZE); 2590 } 2591 2592 /** 2593 * Helper method for the cameraZoomIn/cameraZoomOut animations 2594 * @param view The view being animated 2595 * @param scaleFactor The scale factor used for the zoom 2596 */ 2597 private void setPivotsForZoom(View view, float scaleFactor) { 2598 view.setPivotX(view.getWidth() / 2.0f); 2599 view.setPivotY(view.getHeight() / 2.0f); 2600 } 2601 2602 void disableWallpaperIfInAllApps() { 2603 // Only disable it if we are in all apps 2604 if (isAllAppsVisible()) { 2605 if (mAppsCustomizeTabHost != null && 2606 !mAppsCustomizeTabHost.isTransitioning()) { 2607 updateWallpaperVisibility(false); 2608 } 2609 } 2610 } 2611 2612 private void setWorkspaceBackground(boolean workspace) { 2613 mLauncherView.setBackground(workspace ? 2614 mWorkspaceBackgroundDrawable : null); 2615 } 2616 2617 void updateWallpaperVisibility(boolean visible) { 2618 int wpflags = visible ? WindowManager.LayoutParams.FLAG_SHOW_WALLPAPER : 0; 2619 int curflags = getWindow().getAttributes().flags 2620 & WindowManager.LayoutParams.FLAG_SHOW_WALLPAPER; 2621 if (wpflags != curflags) { 2622 getWindow().setFlags(wpflags, WindowManager.LayoutParams.FLAG_SHOW_WALLPAPER); 2623 } 2624 setWorkspaceBackground(visible); 2625 } 2626 2627 private void dispatchOnLauncherTransitionPrepare(View v, boolean animated, boolean toWorkspace) { 2628 if (v instanceof LauncherTransitionable) { 2629 ((LauncherTransitionable) v).onLauncherTransitionPrepare(this, animated, toWorkspace); 2630 } 2631 } 2632 2633 private void dispatchOnLauncherTransitionStart(View v, boolean animated, boolean toWorkspace) { 2634 if (v instanceof LauncherTransitionable) { 2635 ((LauncherTransitionable) v).onLauncherTransitionStart(this, animated, toWorkspace); 2636 } 2637 2638 // Update the workspace transition step as well 2639 dispatchOnLauncherTransitionStep(v, 0f); 2640 } 2641 2642 private void dispatchOnLauncherTransitionStep(View v, float t) { 2643 if (v instanceof LauncherTransitionable) { 2644 ((LauncherTransitionable) v).onLauncherTransitionStep(this, t); 2645 } 2646 } 2647 2648 private void dispatchOnLauncherTransitionEnd(View v, boolean animated, boolean toWorkspace) { 2649 if (v instanceof LauncherTransitionable) { 2650 ((LauncherTransitionable) v).onLauncherTransitionEnd(this, animated, toWorkspace); 2651 } 2652 2653 // Update the workspace transition step as well 2654 dispatchOnLauncherTransitionStep(v, 1f); 2655 } 2656 2657 /** 2658 * Things to test when changing the following seven functions. 2659 * - Home from workspace 2660 * - from center screen 2661 * - from other screens 2662 * - Home from all apps 2663 * - from center screen 2664 * - from other screens 2665 * - Back from all apps 2666 * - from center screen 2667 * - from other screens 2668 * - Launch app from workspace and quit 2669 * - with back 2670 * - with home 2671 * - Launch app from all apps and quit 2672 * - with back 2673 * - with home 2674 * - Go to a screen that's not the default, then all 2675 * apps, and launch and app, and go back 2676 * - with back 2677 * -with home 2678 * - On workspace, long press power and go back 2679 * - with back 2680 * - with home 2681 * - On all apps, long press power and go back 2682 * - with back 2683 * - with home 2684 * - On workspace, power off 2685 * - On all apps, power off 2686 * - Launch an app and turn off the screen while in that app 2687 * - Go back with home key 2688 * - Go back with back key TODO: make this not go to workspace 2689 * - From all apps 2690 * - From workspace 2691 * - Enter and exit car mode (becuase it causes an extra configuration changed) 2692 * - From all apps 2693 * - From the center workspace 2694 * - From another workspace 2695 */ 2696 2697 /** 2698 * Zoom the camera out from the workspace to reveal 'toView'. 2699 * Assumes that the view to show is anchored at either the very top or very bottom 2700 * of the screen. 2701 */ 2702 private void showAppsCustomizeHelper(final boolean animated, final boolean springLoaded) { 2703 if (mStateAnimation != null) { 2704 mStateAnimation.setDuration(0); 2705 mStateAnimation.cancel(); 2706 mStateAnimation = null; 2707 } 2708 final Resources res = getResources(); 2709 2710 final int duration = res.getInteger(R.integer.config_appsCustomizeZoomInTime); 2711 final int fadeDuration = res.getInteger(R.integer.config_appsCustomizeFadeInTime); 2712 final float scale = (float) res.getInteger(R.integer.config_appsCustomizeZoomScaleFactor); 2713 final View fromView = mWorkspace; 2714 final AppsCustomizeTabHost toView = mAppsCustomizeTabHost; 2715 final int startDelay = 2716 res.getInteger(R.integer.config_workspaceAppsCustomizeAnimationStagger); 2717 2718 setPivotsForZoom(toView, scale); 2719 2720 // Shrink workspaces away if going to AppsCustomize from workspace 2721 Animator workspaceAnim = 2722 mWorkspace.getChangeStateAnimation(Workspace.State.SMALL, animated); 2723 2724 if (animated) { 2725 toView.setScaleX(scale); 2726 toView.setScaleY(scale); 2727 final LauncherViewPropertyAnimator scaleAnim = new LauncherViewPropertyAnimator(toView); 2728 scaleAnim. 2729 scaleX(1f).scaleY(1f). 2730 setDuration(duration). 2731 setInterpolator(new Workspace.ZoomOutInterpolator()); 2732 2733 toView.setVisibility(View.VISIBLE); 2734 toView.setAlpha(0f); 2735 final ObjectAnimator alphaAnim = LauncherAnimUtils 2736 .ofFloat(toView, "alpha", 0f, 1f) 2737 .setDuration(fadeDuration); 2738 alphaAnim.setInterpolator(new DecelerateInterpolator(1.5f)); 2739 alphaAnim.addUpdateListener(new AnimatorUpdateListener() { 2740 @Override 2741 public void onAnimationUpdate(ValueAnimator animation) { 2742 if (animation == null) { 2743 throw new RuntimeException("animation is null"); 2744 } 2745 float t = (Float) animation.getAnimatedValue(); 2746 dispatchOnLauncherTransitionStep(fromView, t); 2747 dispatchOnLauncherTransitionStep(toView, t); 2748 } 2749 }); 2750 2751 // toView should appear right at the end of the workspace shrink 2752 // animation 2753 mStateAnimation = LauncherAnimUtils.createAnimatorSet(); 2754 mStateAnimation.play(scaleAnim).after(startDelay); 2755 mStateAnimation.play(alphaAnim).after(startDelay); 2756 2757 mStateAnimation.addListener(new AnimatorListenerAdapter() { 2758 boolean animationCancelled = false; 2759 2760 @Override 2761 public void onAnimationStart(Animator animation) { 2762 updateWallpaperVisibility(true); 2763 // Prepare the position 2764 toView.setTranslationX(0.0f); 2765 toView.setTranslationY(0.0f); 2766 toView.setVisibility(View.VISIBLE); 2767 toView.bringToFront(); 2768 } 2769 @Override 2770 public void onAnimationEnd(Animator animation) { 2771 dispatchOnLauncherTransitionEnd(fromView, animated, false); 2772 dispatchOnLauncherTransitionEnd(toView, animated, false); 2773 2774 if (!animationCancelled) { 2775 updateWallpaperVisibility(false); 2776 } 2777 2778 // Hide the search bar 2779 if (mSearchDropTargetBar != null) { 2780 mSearchDropTargetBar.hideSearchBar(false); 2781 } 2782 } 2783 2784 @Override 2785 public void onAnimationCancel(Animator animation) { 2786 animationCancelled = true; 2787 } 2788 }); 2789 2790 if (workspaceAnim != null) { 2791 mStateAnimation.play(workspaceAnim); 2792 } 2793 2794 boolean delayAnim = false; 2795 2796 dispatchOnLauncherTransitionPrepare(fromView, animated, false); 2797 dispatchOnLauncherTransitionPrepare(toView, animated, false); 2798 2799 // If any of the objects being animated haven't been measured/laid out 2800 // yet, delay the animation until we get a layout pass 2801 if ((((LauncherTransitionable) toView).getContent().getMeasuredWidth() == 0) || 2802 (mWorkspace.getMeasuredWidth() == 0) || 2803 (toView.getMeasuredWidth() == 0)) { 2804 delayAnim = true; 2805 } 2806 2807 final AnimatorSet stateAnimation = mStateAnimation; 2808 final Runnable startAnimRunnable = new Runnable() { 2809 public void run() { 2810 // Check that mStateAnimation hasn't changed while 2811 // we waited for a layout/draw pass 2812 if (mStateAnimation != stateAnimation) 2813 return; 2814 setPivotsForZoom(toView, scale); 2815 dispatchOnLauncherTransitionStart(fromView, animated, false); 2816 dispatchOnLauncherTransitionStart(toView, animated, false); 2817 LauncherAnimUtils.startAnimationAfterNextDraw(mStateAnimation, toView); 2818 } 2819 }; 2820 if (delayAnim) { 2821 final ViewTreeObserver observer = toView.getViewTreeObserver(); 2822 observer.addOnGlobalLayoutListener(new OnGlobalLayoutListener() { 2823 public void onGlobalLayout() { 2824 startAnimRunnable.run(); 2825 toView.getViewTreeObserver().removeOnGlobalLayoutListener(this); 2826 } 2827 }); 2828 } else { 2829 startAnimRunnable.run(); 2830 } 2831 } else { 2832 toView.setTranslationX(0.0f); 2833 toView.setTranslationY(0.0f); 2834 toView.setScaleX(1.0f); 2835 toView.setScaleY(1.0f); 2836 toView.setVisibility(View.VISIBLE); 2837 toView.bringToFront(); 2838 2839 if (!springLoaded && !LauncherAppState.getInstance().isScreenLarge()) { 2840 // Hide the search bar 2841 if (mSearchDropTargetBar != null) { 2842 mSearchDropTargetBar.hideSearchBar(false); 2843 } 2844 } 2845 dispatchOnLauncherTransitionPrepare(fromView, animated, false); 2846 dispatchOnLauncherTransitionStart(fromView, animated, false); 2847 dispatchOnLauncherTransitionEnd(fromView, animated, false); 2848 dispatchOnLauncherTransitionPrepare(toView, animated, false); 2849 dispatchOnLauncherTransitionStart(toView, animated, false); 2850 dispatchOnLauncherTransitionEnd(toView, animated, false); 2851 updateWallpaperVisibility(false); 2852 } 2853 } 2854 2855 /** 2856 * Zoom the camera back into the workspace, hiding 'fromView'. 2857 * This is the opposite of showAppsCustomizeHelper. 2858 * @param animated If true, the transition will be animated. 2859 */ 2860 private void hideAppsCustomizeHelper(State toState, final boolean animated, 2861 final boolean springLoaded, final Runnable onCompleteRunnable) { 2862 2863 if (mStateAnimation != null) { 2864 mStateAnimation.setDuration(0); 2865 mStateAnimation.cancel(); 2866 mStateAnimation = null; 2867 } 2868 Resources res = getResources(); 2869 2870 final int duration = res.getInteger(R.integer.config_appsCustomizeZoomOutTime); 2871 final int fadeOutDuration = 2872 res.getInteger(R.integer.config_appsCustomizeFadeOutTime); 2873 final float scaleFactor = (float) 2874 res.getInteger(R.integer.config_appsCustomizeZoomScaleFactor); 2875 final View fromView = mAppsCustomizeTabHost; 2876 final View toView = mWorkspace; 2877 Animator workspaceAnim = null; 2878 if (toState == State.WORKSPACE) { 2879 int stagger = res.getInteger(R.integer.config_appsCustomizeWorkspaceAnimationStagger); 2880 workspaceAnim = mWorkspace.getChangeStateAnimation( 2881 Workspace.State.NORMAL, animated, stagger, -1); 2882 } else if (toState == State.APPS_CUSTOMIZE_SPRING_LOADED) { 2883 workspaceAnim = mWorkspace.getChangeStateAnimation( 2884 Workspace.State.SPRING_LOADED, animated); 2885 } 2886 2887 setPivotsForZoom(fromView, scaleFactor); 2888 updateWallpaperVisibility(true); 2889 showHotseat(animated); 2890 if (animated) { 2891 final LauncherViewPropertyAnimator scaleAnim = 2892 new LauncherViewPropertyAnimator(fromView); 2893 scaleAnim. 2894 scaleX(scaleFactor).scaleY(scaleFactor). 2895 setDuration(duration). 2896 setInterpolator(new Workspace.ZoomInInterpolator()); 2897 2898 final ObjectAnimator alphaAnim = LauncherAnimUtils 2899 .ofFloat(fromView, "alpha", 1f, 0f) 2900 .setDuration(fadeOutDuration); 2901 alphaAnim.setInterpolator(new AccelerateDecelerateInterpolator()); 2902 alphaAnim.addUpdateListener(new AnimatorUpdateListener() { 2903 @Override 2904 public void onAnimationUpdate(ValueAnimator animation) { 2905 float t = 1f - (Float) animation.getAnimatedValue(); 2906 dispatchOnLauncherTransitionStep(fromView, t); 2907 dispatchOnLauncherTransitionStep(toView, t); 2908 } 2909 }); 2910 2911 mStateAnimation = LauncherAnimUtils.createAnimatorSet(); 2912 2913 dispatchOnLauncherTransitionPrepare(fromView, animated, true); 2914 dispatchOnLauncherTransitionPrepare(toView, animated, true); 2915 mAppsCustomizeContent.pauseScrolling(); 2916 2917 mStateAnimation.addListener(new AnimatorListenerAdapter() { 2918 @Override 2919 public void onAnimationEnd(Animator animation) { 2920 updateWallpaperVisibility(true); 2921 fromView.setVisibility(View.GONE); 2922 dispatchOnLauncherTransitionEnd(fromView, animated, true); 2923 dispatchOnLauncherTransitionEnd(toView, animated, true); 2924 if (onCompleteRunnable != null) { 2925 onCompleteRunnable.run(); 2926 } 2927 mAppsCustomizeContent.updateCurrentPageScroll(); 2928 mAppsCustomizeContent.resumeScrolling(); 2929 } 2930 }); 2931 2932 mStateAnimation.playTogether(scaleAnim, alphaAnim); 2933 if (workspaceAnim != null) { 2934 mStateAnimation.play(workspaceAnim); 2935 } 2936 dispatchOnLauncherTransitionStart(fromView, animated, true); 2937 dispatchOnLauncherTransitionStart(toView, animated, true); 2938 LauncherAnimUtils.startAnimationAfterNextDraw(mStateAnimation, toView); 2939 } else { 2940 fromView.setVisibility(View.GONE); 2941 dispatchOnLauncherTransitionPrepare(fromView, animated, true); 2942 dispatchOnLauncherTransitionStart(fromView, animated, true); 2943 dispatchOnLauncherTransitionEnd(fromView, animated, true); 2944 dispatchOnLauncherTransitionPrepare(toView, animated, true); 2945 dispatchOnLauncherTransitionStart(toView, animated, true); 2946 dispatchOnLauncherTransitionEnd(toView, animated, true); 2947 } 2948 } 2949 2950 @Override 2951 public void onTrimMemory(int level) { 2952 super.onTrimMemory(level); 2953 if (level >= ComponentCallbacks2.TRIM_MEMORY_MODERATE) { 2954 mAppsCustomizeTabHost.onTrimMemory(); 2955 } 2956 } 2957 2958 @Override 2959 public void onWindowFocusChanged(boolean hasFocus) { 2960 if (!hasFocus) { 2961 // When another window occludes launcher (like the notification shade, or recents), 2962 // ensure that we enable the wallpaper flag so that transitions are done correctly. 2963 updateWallpaperVisibility(true); 2964 } else { 2965 // When launcher has focus again, disable the wallpaper if we are in AllApps 2966 mWorkspace.postDelayed(new Runnable() { 2967 @Override 2968 public void run() { 2969 disableWallpaperIfInAllApps(); 2970 } 2971 }, 500); 2972 } 2973 } 2974 2975 void showWorkspace(boolean animated) { 2976 showWorkspace(animated, null); 2977 } 2978 2979 void showWorkspace(boolean animated, Runnable onCompleteRunnable) { 2980 if (mState != State.WORKSPACE) { 2981 boolean wasInSpringLoadedMode = (mState == State.APPS_CUSTOMIZE_SPRING_LOADED); 2982 mWorkspace.setVisibility(View.VISIBLE); 2983 hideAppsCustomizeHelper(State.WORKSPACE, animated, false, onCompleteRunnable); 2984 2985 // Show the search bar (only animate if we were showing the drop target bar in spring 2986 // loaded mode) 2987 if (mSearchDropTargetBar != null) { 2988 mSearchDropTargetBar.showSearchBar(wasInSpringLoadedMode); 2989 } 2990 2991 // Set focus to the AppsCustomize button 2992 if (mAllAppsButton != null) { 2993 mAllAppsButton.requestFocus(); 2994 } 2995 } 2996 2997 // Change the state *after* we've called all the transition code 2998 mState = State.WORKSPACE; 2999 3000 // Resume the auto-advance of widgets 3001 mUserPresent = true; 3002 updateRunning(); 3003 3004 // Send an accessibility event to announce the context change 3005 getWindow().getDecorView() 3006 .sendAccessibilityEvent(AccessibilityEvent.TYPE_WINDOW_STATE_CHANGED); 3007 3008 onWorkspaceShown(animated); 3009 } 3010 3011 public void onWorkspaceShown(boolean animated) { 3012 } 3013 3014 void showAllApps(boolean animated) { 3015 if (mState != State.WORKSPACE) return; 3016 3017 showAppsCustomizeHelper(animated, false); 3018 mAppsCustomizeTabHost.requestFocus(); 3019 3020 // Change the state *after* we've called all the transition code 3021 mState = State.APPS_CUSTOMIZE; 3022 3023 // Pause the auto-advance of widgets until we are out of AllApps 3024 mUserPresent = false; 3025 updateRunning(); 3026 closeFolder(); 3027 3028 // Send an accessibility event to announce the context change 3029 getWindow().getDecorView() 3030 .sendAccessibilityEvent(AccessibilityEvent.TYPE_WINDOW_STATE_CHANGED); 3031 } 3032 3033 void enterSpringLoadedDragMode() { 3034 if (isAllAppsVisible()) { 3035 hideAppsCustomizeHelper(State.APPS_CUSTOMIZE_SPRING_LOADED, true, true, null); 3036 mState = State.APPS_CUSTOMIZE_SPRING_LOADED; 3037 } 3038 } 3039 3040 void exitSpringLoadedDragModeDelayed(final boolean successfulDrop, boolean extendedDelay, 3041 final Runnable onCompleteRunnable) { 3042 if (mState != State.APPS_CUSTOMIZE_SPRING_LOADED) return; 3043 3044 mHandler.postDelayed(new Runnable() { 3045 @Override 3046 public void run() { 3047 if (successfulDrop) { 3048 // Before we show workspace, hide all apps again because 3049 // exitSpringLoadedDragMode made it visible. This is a bit hacky; we should 3050 // clean up our state transition functions 3051 mAppsCustomizeTabHost.setVisibility(View.GONE); 3052 showWorkspace(true, onCompleteRunnable); 3053 } else { 3054 exitSpringLoadedDragMode(); 3055 } 3056 } 3057 }, (extendedDelay ? 3058 EXIT_SPRINGLOADED_MODE_LONG_TIMEOUT : 3059 EXIT_SPRINGLOADED_MODE_SHORT_TIMEOUT)); 3060 } 3061 3062 void exitSpringLoadedDragMode() { 3063 if (mState == State.APPS_CUSTOMIZE_SPRING_LOADED) { 3064 final boolean animated = true; 3065 final boolean springLoaded = true; 3066 showAppsCustomizeHelper(animated, springLoaded); 3067 mState = State.APPS_CUSTOMIZE; 3068 } 3069 // Otherwise, we are not in spring loaded mode, so don't do anything. 3070 } 3071 3072 void lockAllApps() { 3073 // TODO 3074 } 3075 3076 void unlockAllApps() { 3077 // TODO 3078 } 3079 3080 /** 3081 * Shows the hotseat area. 3082 */ 3083 void showHotseat(boolean animated) { 3084 if (!LauncherAppState.getInstance().isScreenLarge()) { 3085 if (animated) { 3086 if (mHotseat.getAlpha() != 1f) { 3087 int duration = 0; 3088 if (mSearchDropTargetBar != null) { 3089 duration = mSearchDropTargetBar.getTransitionInDuration(); 3090 } 3091 mHotseat.animate().alpha(1f).setDuration(duration); 3092 } 3093 } else { 3094 mHotseat.setAlpha(1f); 3095 } 3096 } 3097 } 3098 3099 /** 3100 * Hides the hotseat area. 3101 */ 3102 void hideHotseat(boolean animated) { 3103 if (!LauncherAppState.getInstance().isScreenLarge()) { 3104 if (animated) { 3105 if (mHotseat.getAlpha() != 0f) { 3106 int duration = 0; 3107 if (mSearchDropTargetBar != null) { 3108 duration = mSearchDropTargetBar.getTransitionOutDuration(); 3109 } 3110 mHotseat.animate().alpha(0f).setDuration(duration); 3111 } 3112 } else { 3113 mHotseat.setAlpha(0f); 3114 } 3115 } 3116 } 3117 3118 /** 3119 * Add an item from all apps or customize onto the given workspace screen. 3120 * If layout is null, add to the current screen. 3121 */ 3122 void addExternalItemToScreen(ItemInfo itemInfo, final CellLayout layout) { 3123 if (!mWorkspace.addExternalItemToScreen(itemInfo, layout)) { 3124 showOutOfSpaceMessage(isHotseatLayout(layout)); 3125 } 3126 } 3127 3128 /** Maps the current orientation to an index for referencing orientation correct global icons */ 3129 private int getCurrentOrientationIndexForGlobalIcons() { 3130 // default - 0, landscape - 1 3131 switch (getResources().getConfiguration().orientation) { 3132 case Configuration.ORIENTATION_LANDSCAPE: 3133 return 1; 3134 default: 3135 return 0; 3136 } 3137 } 3138 3139 private Drawable getExternalPackageToolbarIcon(ComponentName activityName, String resourceName) { 3140 try { 3141 PackageManager packageManager = getPackageManager(); 3142 // Look for the toolbar icon specified in the activity meta-data 3143 Bundle metaData = packageManager.getActivityInfo( 3144 activityName, PackageManager.GET_META_DATA).metaData; 3145 if (metaData != null) { 3146 int iconResId = metaData.getInt(resourceName); 3147 if (iconResId != 0) { 3148 Resources res = packageManager.getResourcesForActivity(activityName); 3149 return res.getDrawable(iconResId); 3150 } 3151 } 3152 } catch (NameNotFoundException e) { 3153 // This can happen if the activity defines an invalid drawable 3154 Log.w(TAG, "Failed to load toolbar icon; " + activityName.flattenToShortString() + 3155 " not found", e); 3156 } catch (Resources.NotFoundException nfe) { 3157 // This can happen if the activity defines an invalid drawable 3158 Log.w(TAG, "Failed to load toolbar icon from " + activityName.flattenToShortString(), 3159 nfe); 3160 } 3161 return null; 3162 } 3163 3164 // if successful in getting icon, return it; otherwise, set button to use default drawable 3165 private Drawable.ConstantState updateTextButtonWithIconFromExternalActivity( 3166 int buttonId, ComponentName activityName, int fallbackDrawableId, 3167 String toolbarResourceName) { 3168 Drawable toolbarIcon = getExternalPackageToolbarIcon(activityName, toolbarResourceName); 3169 Resources r = getResources(); 3170 int w = r.getDimensionPixelSize(R.dimen.toolbar_external_icon_width); 3171 int h = r.getDimensionPixelSize(R.dimen.toolbar_external_icon_height); 3172 3173 TextView button = (TextView) findViewById(buttonId); 3174 // If we were unable to find the icon via the meta-data, use a generic one 3175 if (toolbarIcon == null) { 3176 toolbarIcon = r.getDrawable(fallbackDrawableId); 3177 toolbarIcon.setBounds(0, 0, w, h); 3178 if (button != null) { 3179 button.setCompoundDrawables(toolbarIcon, null, null, null); 3180 } 3181 return null; 3182 } else { 3183 toolbarIcon.setBounds(0, 0, w, h); 3184 if (button != null) { 3185 button.setCompoundDrawables(toolbarIcon, null, null, null); 3186 } 3187 return toolbarIcon.getConstantState(); 3188 } 3189 } 3190 3191 // if successful in getting icon, return it; otherwise, set button to use default drawable 3192 private Drawable.ConstantState updateButtonWithIconFromExternalActivity( 3193 int buttonId, ComponentName activityName, int fallbackDrawableId, 3194 String toolbarResourceName) { 3195 ImageView button = (ImageView) findViewById(buttonId); 3196 Drawable toolbarIcon = getExternalPackageToolbarIcon(activityName, toolbarResourceName); 3197 3198 if (button != null) { 3199 // If we were unable to find the icon via the meta-data, use a 3200 // generic one 3201 if (toolbarIcon == null) { 3202 button.setImageResource(fallbackDrawableId); 3203 } else { 3204 button.setImageDrawable(toolbarIcon); 3205 } 3206 } 3207 3208 return toolbarIcon != null ? toolbarIcon.getConstantState() : null; 3209 3210 } 3211 3212 private void updateTextButtonWithDrawable(int buttonId, Drawable d) { 3213 TextView button = (TextView) findViewById(buttonId); 3214 button.setCompoundDrawables(d, null, null, null); 3215 } 3216 3217 private void updateButtonWithDrawable(int buttonId, Drawable.ConstantState d) { 3218 ImageView button = (ImageView) findViewById(buttonId); 3219 button.setImageDrawable(d.newDrawable(getResources())); 3220 } 3221 3222 private void invalidatePressedFocusedStates(View container, View button) { 3223 if (container instanceof HolographicLinearLayout) { 3224 HolographicLinearLayout layout = (HolographicLinearLayout) container; 3225 layout.invalidatePressedFocusedStates(); 3226 } else if (button instanceof HolographicImageView) { 3227 HolographicImageView view = (HolographicImageView) button; 3228 view.invalidatePressedFocusedStates(); 3229 } 3230 } 3231 3232 private boolean updateGlobalSearchIcon() { 3233 final View searchButtonContainer = findViewById(R.id.search_button_container); 3234 final ImageView searchButton = (ImageView) findViewById(R.id.search_button); 3235 final View voiceButtonContainer = findViewById(R.id.voice_button_container); 3236 final View voiceButton = findViewById(R.id.voice_button); 3237 3238 final SearchManager searchManager = 3239 (SearchManager) getSystemService(Context.SEARCH_SERVICE); 3240 ComponentName activityName = searchManager.getGlobalSearchActivity(); 3241 if (activityName != null) { 3242 int coi = getCurrentOrientationIndexForGlobalIcons(); 3243 sGlobalSearchIcon[coi] = updateButtonWithIconFromExternalActivity( 3244 R.id.search_button, activityName, R.drawable.ic_home_search_normal_holo, 3245 TOOLBAR_SEARCH_ICON_METADATA_NAME); 3246 if (sGlobalSearchIcon[coi] == null) { 3247 sGlobalSearchIcon[coi] = updateButtonWithIconFromExternalActivity( 3248 R.id.search_button, activityName, R.drawable.ic_home_search_normal_holo, 3249 TOOLBAR_ICON_METADATA_NAME); 3250 } 3251 3252 if (searchButtonContainer != null) searchButtonContainer.setVisibility(View.VISIBLE); 3253 searchButton.setVisibility(View.VISIBLE); 3254 invalidatePressedFocusedStates(searchButtonContainer, searchButton); 3255 return true; 3256 } else { 3257 // We disable both search and voice search when there is no global search provider 3258 if (searchButtonContainer != null) searchButtonContainer.setVisibility(View.GONE); 3259 if (voiceButtonContainer != null) voiceButtonContainer.setVisibility(View.GONE); 3260 searchButton.setVisibility(View.GONE); 3261 voiceButton.setVisibility(View.GONE); 3262 setVoiceButtonProxyVisible(false); 3263 return false; 3264 } 3265 } 3266 3267 private void updateGlobalSearchIcon(Drawable.ConstantState d) { 3268 final View searchButtonContainer = findViewById(R.id.search_button_container); 3269 final View searchButton = (ImageView) findViewById(R.id.search_button); 3270 updateButtonWithDrawable(R.id.search_button, d); 3271 invalidatePressedFocusedStates(searchButtonContainer, searchButton); 3272 } 3273 3274 private boolean updateVoiceSearchIcon(boolean searchVisible) { 3275 final View voiceButtonContainer = findViewById(R.id.voice_button_container); 3276 final View voiceButton = findViewById(R.id.voice_button); 3277 3278 // We only show/update the voice search icon if the search icon is enabled as well 3279 final SearchManager searchManager = 3280 (SearchManager) getSystemService(Context.SEARCH_SERVICE); 3281 ComponentName globalSearchActivity = searchManager.getGlobalSearchActivity(); 3282 3283 ComponentName activityName = null; 3284 if (globalSearchActivity != null) { 3285 // Check if the global search activity handles voice search 3286 Intent intent = new Intent(RecognizerIntent.ACTION_WEB_SEARCH); 3287 intent.setPackage(globalSearchActivity.getPackageName()); 3288 activityName = intent.resolveActivity(getPackageManager()); 3289 } 3290 3291 if (activityName == null) { 3292 // Fallback: check if an activity other than the global search activity 3293 // resolves this 3294 Intent intent = new Intent(RecognizerIntent.ACTION_WEB_SEARCH); 3295 activityName = intent.resolveActivity(getPackageManager()); 3296 } 3297 if (searchVisible && activityName != null) { 3298 int coi = getCurrentOrientationIndexForGlobalIcons(); 3299 sVoiceSearchIcon[coi] = updateButtonWithIconFromExternalActivity( 3300 R.id.voice_button, activityName, R.drawable.ic_home_voice_search_holo, 3301 TOOLBAR_VOICE_SEARCH_ICON_METADATA_NAME); 3302 if (sVoiceSearchIcon[coi] == null) { 3303 sVoiceSearchIcon[coi] = updateButtonWithIconFromExternalActivity( 3304 R.id.voice_button, activityName, R.drawable.ic_home_voice_search_holo, 3305 TOOLBAR_ICON_METADATA_NAME); 3306 } 3307 if (voiceButtonContainer != null) voiceButtonContainer.setVisibility(View.VISIBLE); 3308 voiceButton.setVisibility(View.VISIBLE); 3309 setVoiceButtonProxyVisible(true); 3310 invalidatePressedFocusedStates(voiceButtonContainer, voiceButton); 3311 return true; 3312 } else { 3313 if (voiceButtonContainer != null) voiceButtonContainer.setVisibility(View.GONE); 3314 voiceButton.setVisibility(View.GONE); 3315 setVoiceButtonProxyVisible(false); 3316 return false; 3317 } 3318 } 3319 3320 private void updateVoiceSearchIcon(Drawable.ConstantState d) { 3321 final View voiceButtonContainer = findViewById(R.id.voice_button_container); 3322 final View voiceButton = findViewById(R.id.voice_button); 3323 updateButtonWithDrawable(R.id.voice_button, d); 3324 invalidatePressedFocusedStates(voiceButtonContainer, voiceButton); 3325 } 3326 3327 public void setVoiceButtonProxyVisible(boolean visible) { 3328 final View voiceButtonProxy = findViewById(R.id.voice_button_proxy); 3329 if (voiceButtonProxy != null) { 3330 voiceButtonProxy.setVisibility(visible ? View.VISIBLE : View.GONE); 3331 } 3332 } 3333 /** 3334 * Sets the app market icon 3335 */ 3336 private void updateAppMarketIcon() { 3337 final View marketButton = findViewById(R.id.market_button); 3338 Intent intent = new Intent(Intent.ACTION_MAIN).addCategory(Intent.CATEGORY_APP_MARKET); 3339 // Find the app market activity by resolving an intent. 3340 // (If multiple app markets are installed, it will return the ResolverActivity.) 3341 ComponentName activityName = intent.resolveActivity(getPackageManager()); 3342 if (activityName != null) { 3343 int coi = getCurrentOrientationIndexForGlobalIcons(); 3344 mAppMarketIntent = intent; 3345 sAppMarketIcon[coi] = updateTextButtonWithIconFromExternalActivity( 3346 R.id.market_button, activityName, R.drawable.ic_launcher_market_holo, 3347 TOOLBAR_ICON_METADATA_NAME); 3348 marketButton.setVisibility(View.VISIBLE); 3349 } else { 3350 // We should hide and disable the view so that we don't try and restore the visibility 3351 // of it when we swap between drag & normal states from IconDropTarget subclasses. 3352 marketButton.setVisibility(View.GONE); 3353 marketButton.setEnabled(false); 3354 } 3355 } 3356 3357 private void updateAppMarketIcon(Drawable.ConstantState d) { 3358 // Ensure that the new drawable we are creating has the approprate toolbar icon bounds 3359 Resources r = getResources(); 3360 Drawable marketIconDrawable = d.newDrawable(r); 3361 int w = r.getDimensionPixelSize(R.dimen.toolbar_external_icon_width); 3362 int h = r.getDimensionPixelSize(R.dimen.toolbar_external_icon_height); 3363 marketIconDrawable.setBounds(0, 0, w, h); 3364 3365 updateTextButtonWithDrawable(R.id.market_button, marketIconDrawable); 3366 } 3367 3368 @Override 3369 public boolean dispatchPopulateAccessibilityEvent(AccessibilityEvent event) { 3370 final boolean result = super.dispatchPopulateAccessibilityEvent(event); 3371 final List<CharSequence> text = event.getText(); 3372 text.clear(); 3373 // Populate event with a fake title based on the current state. 3374 if (mState == State.APPS_CUSTOMIZE) { 3375 text.add(getString(R.string.all_apps_button_label)); 3376 } else { 3377 text.add(getString(R.string.all_apps_home_button_label)); 3378 } 3379 return result; 3380 } 3381 3382 /** 3383 * Receives notifications when system dialogs are to be closed. 3384 */ 3385 private class CloseSystemDialogsIntentReceiver extends BroadcastReceiver { 3386 @Override 3387 public void onReceive(Context context, Intent intent) { 3388 closeSystemDialogs(); 3389 } 3390 } 3391 3392 /** 3393 * Receives notifications whenever the appwidgets are reset. 3394 */ 3395 private class AppWidgetResetObserver extends ContentObserver { 3396 public AppWidgetResetObserver() { 3397 super(new Handler()); 3398 } 3399 3400 @Override 3401 public void onChange(boolean selfChange) { 3402 onAppWidgetReset(); 3403 } 3404 } 3405 3406 /** 3407 * If the activity is currently paused, signal that we need to run the passed Runnable 3408 * in onResume. 3409 * 3410 * This needs to be called from incoming places where resources might have been loaded 3411 * while we are paused. That is becaues the Configuration might be wrong 3412 * when we're not running, and if it comes back to what it was when we 3413 * were paused, we are not restarted. 3414 * 3415 * Implementation of the method from LauncherModel.Callbacks. 3416 * 3417 * @return true if we are currently paused. The caller might be able to 3418 * skip some work in that case since we will come back again. 3419 */ 3420 private boolean waitUntilResume(Runnable run, boolean deletePreviousRunnables) { 3421 if (mPaused) { 3422 Log.i(TAG, "Deferring update until onResume"); 3423 if (deletePreviousRunnables) { 3424 while (mBindOnResumeCallbacks.remove(run)) { 3425 } 3426 } 3427 mBindOnResumeCallbacks.add(run); 3428 return true; 3429 } else { 3430 return false; 3431 } 3432 } 3433 3434 private boolean waitUntilResume(Runnable run) { 3435 return waitUntilResume(run, false); 3436 } 3437 3438 public void addOnResumeCallback(Runnable run) { 3439 mOnResumeCallbacks.add(run); 3440 } 3441 3442 /** 3443 * If the activity is currently paused, signal that we need to re-run the loader 3444 * in onResume. 3445 * 3446 * This needs to be called from incoming places where resources might have been loaded 3447 * while we are paused. That is becaues the Configuration might be wrong 3448 * when we're not running, and if it comes back to what it was when we 3449 * were paused, we are not restarted. 3450 * 3451 * Implementation of the method from LauncherModel.Callbacks. 3452 * 3453 * @return true if we are currently paused. The caller might be able to 3454 * skip some work in that case since we will come back again. 3455 */ 3456 public boolean setLoadOnResume() { 3457 if (mPaused) { 3458 Log.i(TAG, "setLoadOnResume"); 3459 mOnResumeNeedsLoad = true; 3460 return true; 3461 } else { 3462 return false; 3463 } 3464 } 3465 3466 /** 3467 * Implementation of the method from LauncherModel.Callbacks. 3468 */ 3469 public int getCurrentWorkspaceScreen() { 3470 if (mWorkspace != null) { 3471 return mWorkspace.getCurrentPage(); 3472 } else { 3473 return SCREEN_COUNT / 2; 3474 } 3475 } 3476 3477 /** 3478 * Refreshes the shortcuts shown on the workspace. 3479 * 3480 * Implementation of the method from LauncherModel.Callbacks. 3481 */ 3482 public void startBinding() { 3483 // If we're starting binding all over again, clear any bind calls we'd postponed in 3484 // the past (see waitUntilResume) -- we don't need them since we're starting binding 3485 // from scratch again 3486 mBindOnResumeCallbacks.clear(); 3487 3488 // Clear the workspace because it's going to be rebound 3489 mWorkspace.clearDropTargets(); 3490 mWorkspace.removeAllViews(); 3491 3492 mWidgetsToAdvance.clear(); 3493 if (mHotseat != null) { 3494 mHotseat.resetLayout(); 3495 } 3496 } 3497 3498 @Override 3499 public void bindScreens(ArrayList<Long> orderedScreenIds) { 3500 bindAddScreens(orderedScreenIds); 3501 mWorkspace.addExtraEmptyScreen(); 3502 } 3503 3504 @Override 3505 public void bindAddScreens(ArrayList<Long> orderedScreenIds) { 3506 int count = orderedScreenIds.size(); 3507 for (int i = 0; i < count; i++) { 3508 Log.w(TAG, "10249126 - bindAddScreens(" + orderedScreenIds.get(i) + ")"); 3509 mWorkspace.insertNewWorkspaceScreenBeforeEmptyScreen(orderedScreenIds.get(i)); 3510 } 3511 } 3512 3513 private boolean shouldShowWeightWatcher() { 3514 String spKey = LauncherAppState.getSharedPreferencesKey(); 3515 SharedPreferences sp = getSharedPreferences(spKey, Context.MODE_PRIVATE); 3516 boolean show = sp.getBoolean(SHOW_WEIGHT_WATCHER, SHOW_WEIGHT_WATCHER_DEFAULT); 3517 3518 return show; 3519 } 3520 3521 private void toggleShowWeightWatcher() { 3522 String spKey = LauncherAppState.getSharedPreferencesKey(); 3523 SharedPreferences sp = getSharedPreferences(spKey, Context.MODE_PRIVATE); 3524 boolean show = sp.getBoolean(SHOW_WEIGHT_WATCHER, true); 3525 3526 show = !show; 3527 3528 SharedPreferences.Editor editor = sp.edit(); 3529 editor.putBoolean(SHOW_WEIGHT_WATCHER, show); 3530 editor.commit(); 3531 3532 if (mWeightWatcher != null) { 3533 mWeightWatcher.setVisibility(show ? View.VISIBLE : View.GONE); 3534 } 3535 } 3536 3537 public void bindAppsAdded(final ArrayList<Long> newScreens, 3538 final ArrayList<ItemInfo> addNotAnimated, 3539 final ArrayList<ItemInfo> addAnimated) { 3540 Runnable r = new Runnable() { 3541 public void run() { 3542 bindAppsAdded(newScreens, addNotAnimated, addAnimated); 3543 } 3544 }; 3545 if (waitUntilResume(r)) { 3546 return; 3547 } 3548 3549 Log.w(TAG, "10249126 - bindAppsAdded(" + newScreens.size() + ")"); 3550 3551 // Add the new screens 3552 bindAddScreens(newScreens); 3553 3554 // We add the items without animation on non-visible pages, and with 3555 // animations on the new page (which we will try and snap to). 3556 if (!addNotAnimated.isEmpty()) { 3557 bindItems(addNotAnimated, 0, 3558 addNotAnimated.size(), false); 3559 } 3560 if (!addAnimated.isEmpty()) { 3561 bindItems(addAnimated, 0, 3562 addAnimated.size(), true); 3563 } 3564 } 3565 3566 /** 3567 * Bind the items start-end from the list. 3568 * 3569 * Implementation of the method from LauncherModel.Callbacks. 3570 */ 3571 public void bindItems(final ArrayList<ItemInfo> shortcuts, final int start, final int end, 3572 final boolean forceAnimateIcons) { 3573 Runnable r = new Runnable() { 3574 public void run() { 3575 bindItems(shortcuts, start, end, forceAnimateIcons); 3576 } 3577 }; 3578 if (waitUntilResume(r)) { 3579 return; 3580 } 3581 3582 // Get the list of added shortcuts and intersect them with the set of shortcuts here 3583 final AnimatorSet anim = LauncherAnimUtils.createAnimatorSet(); 3584 final Collection<Animator> bounceAnims = new ArrayList<Animator>(); 3585 final boolean animateIcons = forceAnimateIcons && canRunNewAppsAnimation(); 3586 Workspace workspace = mWorkspace; 3587 long newShortcutsScreenId = -1; 3588 for (int i = start; i < end; i++) { 3589 final ItemInfo item = shortcuts.get(i); 3590 3591 // Short circuit if we are loading dock items for a configuration which has no dock 3592 if (item.container == LauncherSettings.Favorites.CONTAINER_HOTSEAT && 3593 mHotseat == null) { 3594 continue; 3595 } 3596 3597 switch (item.itemType) { 3598 case LauncherSettings.Favorites.ITEM_TYPE_APPLICATION: 3599 case LauncherSettings.Favorites.ITEM_TYPE_SHORTCUT: 3600 ShortcutInfo info = (ShortcutInfo) item; 3601 View shortcut = createShortcut(info); 3602 3603 /* 3604 * TODO: FIX collision case 3605 */ 3606 if (item.container == LauncherSettings.Favorites.CONTAINER_DESKTOP) { 3607 CellLayout cl = mWorkspace.getScreenWithId(item.screenId); 3608 if (cl != null && cl.isOccupied(item.cellX, item.cellY)) { 3609 throw new RuntimeException("OCCUPIED"); 3610 } 3611 } 3612 3613 workspace.addInScreenFromBind(shortcut, item.container, item.screenId, item.cellX, 3614 item.cellY, 1, 1); 3615 if (animateIcons) { 3616 // Animate all the applications up now 3617 shortcut.setAlpha(0f); 3618 shortcut.setScaleX(0f); 3619 shortcut.setScaleY(0f); 3620 bounceAnims.add(createNewAppBounceAnimation(shortcut, i)); 3621 newShortcutsScreenId = item.screenId; 3622 } 3623 break; 3624 case LauncherSettings.Favorites.ITEM_TYPE_FOLDER: 3625 FolderIcon newFolder = FolderIcon.fromXml(R.layout.folder_icon, this, 3626 (ViewGroup) workspace.getChildAt(workspace.getCurrentPage()), 3627 (FolderInfo) item, mIconCache); 3628 workspace.addInScreenFromBind(newFolder, item.container, item.screenId, item.cellX, 3629 item.cellY, 1, 1); 3630 break; 3631 default: 3632 throw new RuntimeException("Invalid Item Type"); 3633 } 3634 } 3635 3636 if (animateIcons) { 3637 // Animate to the correct page 3638 if (newShortcutsScreenId > -1) { 3639 long currentScreenId = mWorkspace.getScreenIdForPageIndex(mWorkspace.getNextPage()); 3640 int newScreenIndex = mWorkspace.getPageIndexForScreenId(newShortcutsScreenId); 3641 if (newShortcutsScreenId != currentScreenId) { 3642 mWorkspace.snapToPage(newScreenIndex); 3643 } 3644 } 3645 3646 // We post the animation slightly delayed to prevent slowdowns when we are loading 3647 // right after we return to launcher. 3648 mWorkspace.postDelayed(new Runnable() { 3649 public void run() { 3650 anim.playTogether(bounceAnims); 3651 anim.start(); 3652 } 3653 }, NEW_APPS_ANIMATION_DELAY); 3654 } 3655 workspace.requestLayout(); 3656 } 3657 3658 /** 3659 * Implementation of the method from LauncherModel.Callbacks. 3660 */ 3661 public void bindFolders(final HashMap<Long, FolderInfo> folders) { 3662 Runnable r = new Runnable() { 3663 public void run() { 3664 bindFolders(folders); 3665 } 3666 }; 3667 if (waitUntilResume(r)) { 3668 return; 3669 } 3670 sFolders.clear(); 3671 sFolders.putAll(folders); 3672 } 3673 3674 /** 3675 * Add the views for a widget to the workspace. 3676 * 3677 * Implementation of the method from LauncherModel.Callbacks. 3678 */ 3679 public void bindAppWidget(final LauncherAppWidgetInfo item) { 3680 Runnable r = new Runnable() { 3681 public void run() { 3682 bindAppWidget(item); 3683 } 3684 }; 3685 if (waitUntilResume(r)) { 3686 return; 3687 } 3688 3689 final long start = DEBUG_WIDGETS ? SystemClock.uptimeMillis() : 0; 3690 if (DEBUG_WIDGETS) { 3691 Log.d(TAG, "bindAppWidget: " + item); 3692 } 3693 final Workspace workspace = mWorkspace; 3694 3695 final int appWidgetId = item.appWidgetId; 3696 final AppWidgetProviderInfo appWidgetInfo = mAppWidgetManager.getAppWidgetInfo(appWidgetId); 3697 if (DEBUG_WIDGETS) { 3698 Log.d(TAG, "bindAppWidget: id=" + item.appWidgetId + " belongs to component " + appWidgetInfo.provider); 3699 } 3700 3701 item.hostView = mAppWidgetHost.createView(this, appWidgetId, appWidgetInfo); 3702 3703 item.hostView.setTag(item); 3704 item.onBindAppWidget(this); 3705 3706 workspace.addInScreen(item.hostView, item.container, item.screenId, item.cellX, 3707 item.cellY, item.spanX, item.spanY, false); 3708 addWidgetToAutoAdvanceIfNeeded(item.hostView, appWidgetInfo); 3709 3710 workspace.requestLayout(); 3711 3712 if (DEBUG_WIDGETS) { 3713 Log.d(TAG, "bound widget id="+item.appWidgetId+" in " 3714 + (SystemClock.uptimeMillis()-start) + "ms"); 3715 } 3716 } 3717 3718 public void onPageBoundSynchronously(int page) { 3719 mSynchronouslyBoundPages.add(page); 3720 } 3721 3722 /** 3723 * Callback saying that there aren't any more items to bind. 3724 * 3725 * Implementation of the method from LauncherModel.Callbacks. 3726 */ 3727 public void finishBindingItems(final boolean upgradePath) { 3728 Runnable r = new Runnable() { 3729 public void run() { 3730 finishBindingItems(upgradePath); 3731 } 3732 }; 3733 if (waitUntilResume(r)) { 3734 return; 3735 } 3736 if (mSavedState != null) { 3737 if (!mWorkspace.hasFocus()) { 3738 mWorkspace.getChildAt(mWorkspace.getCurrentPage()).requestFocus(); 3739 } 3740 mSavedState = null; 3741 } 3742 3743 // Create the custom content page here before onLayout to prevent flashing 3744 if (!mWorkspace.hasCustomContent() && hasCustomContentToLeft()) { 3745 mWorkspace.createCustomContentPage(); 3746 } 3747 3748 mWorkspace.restoreInstanceStateForRemainingPages(); 3749 3750 // If we received the result of any pending adds while the loader was running (e.g. the 3751 // widget configuration forced an orientation change), process them now. 3752 for (int i = 0; i < sPendingAddList.size(); i++) { 3753 completeAdd(sPendingAddList.get(i)); 3754 } 3755 sPendingAddList.clear(); 3756 3757 // Update the market app icon as necessary (the other icons will be managed in response to 3758 // package changes in bindSearchablesChanged() 3759 updateAppMarketIcon(); 3760 3761 mWorkspaceLoading = false; 3762 if (upgradePath) { 3763 mWorkspace.stripDuplicateApps(); 3764 mIntentsOnWorkspaceFromUpgradePath = mWorkspace.stripDuplicateApps(); 3765 } 3766 3767 mWorkspace.post(new Runnable() { 3768 @Override 3769 public void run() { 3770 onFinishBindingItems(); 3771 } 3772 }); 3773 } 3774 3775 private boolean canRunNewAppsAnimation() { 3776 long diff = System.currentTimeMillis() - mDragController.getLastGestureUpTime(); 3777 return diff > (NEW_APPS_ANIMATION_INACTIVE_TIMEOUT_SECONDS * 1000); 3778 } 3779 3780 private ValueAnimator createNewAppBounceAnimation(View v, int i) { 3781 ValueAnimator bounceAnim = LauncherAnimUtils.ofPropertyValuesHolder(v, 3782 PropertyValuesHolder.ofFloat("alpha", 1f), 3783 PropertyValuesHolder.ofFloat("scaleX", 1f), 3784 PropertyValuesHolder.ofFloat("scaleY", 1f)); 3785 bounceAnim.setDuration(InstallShortcutReceiver.NEW_SHORTCUT_BOUNCE_DURATION); 3786 bounceAnim.setStartDelay(i * InstallShortcutReceiver.NEW_SHORTCUT_STAGGER_DELAY); 3787 bounceAnim.setInterpolator(new SmoothPagedView.OvershootInterpolator()); 3788 return bounceAnim; 3789 } 3790 3791 @Override 3792 public void bindSearchablesChanged() { 3793 boolean searchVisible = updateGlobalSearchIcon(); 3794 boolean voiceVisible = updateVoiceSearchIcon(searchVisible); 3795 if (mSearchDropTargetBar != null) { 3796 mSearchDropTargetBar.onSearchPackagesChanged(searchVisible, voiceVisible); 3797 } 3798 } 3799 3800 /** 3801 * Add the icons for all apps. 3802 * 3803 * Implementation of the method from LauncherModel.Callbacks. 3804 */ 3805 public void bindAllApplications(final ArrayList<ApplicationInfo> apps) { 3806 if (mIntentsOnWorkspaceFromUpgradePath != null) { 3807 if (LauncherModel.UPGRADE_USE_MORE_APPS_FOLDER) { 3808 getHotseat().addAllAppsFolder(mIconCache, apps, 3809 mIntentsOnWorkspaceFromUpgradePath, Launcher.this, mWorkspace); 3810 } 3811 mIntentsOnWorkspaceFromUpgradePath = null; 3812 } 3813 } 3814 3815 /** 3816 * A package was updated. 3817 * 3818 * Implementation of the method from LauncherModel.Callbacks. 3819 */ 3820 public void bindAppsUpdated(final ArrayList<ApplicationInfo> apps) { 3821 Runnable r = new Runnable() { 3822 public void run() { 3823 bindAppsUpdated(apps); 3824 } 3825 }; 3826 if (waitUntilResume(r)) { 3827 return; 3828 } 3829 3830 if (mWorkspace != null) { 3831 mWorkspace.updateShortcuts(apps); 3832 } 3833 } 3834 3835 /** 3836 * A package was uninstalled. We take both the super set of packageNames 3837 * in addition to specific applications to remove, the reason being that 3838 * this can be called when a package is updated as well. In that scenario, 3839 * we only remove specific components from the workspace, where as 3840 * package-removal should clear all items by package name. 3841 * 3842 * Implementation of the method from LauncherModel.Callbacks. 3843 */ 3844 public void bindComponentsRemoved(final ArrayList<String> packageNames, 3845 final ArrayList<ApplicationInfo> appInfos, 3846 final boolean packageRemoved) { 3847 Runnable r = new Runnable() { 3848 public void run() { 3849 bindComponentsRemoved(packageNames, appInfos, packageRemoved); 3850 } 3851 }; 3852 if (waitUntilResume(r)) { 3853 return; 3854 } 3855 3856 if (packageRemoved) { 3857 mWorkspace.removeItemsByPackageName(packageNames); 3858 } else { 3859 mWorkspace.removeItemsByApplicationInfo(appInfos); 3860 } 3861 3862 // Notify the drag controller 3863 mDragController.onAppsRemoved(appInfos, this); 3864 } 3865 3866 /** 3867 * A number of packages were updated. 3868 */ 3869 private ArrayList<Object> mWidgetsAndShortcuts; 3870 private Runnable mBindPackagesUpdatedRunnable = new Runnable() { 3871 public void run() { 3872 bindPackagesUpdated(mWidgetsAndShortcuts); 3873 mWidgetsAndShortcuts = null; 3874 } 3875 }; 3876 3877 public void bindPackagesUpdated(final ArrayList<Object> widgetsAndShortcuts) { 3878 if (waitUntilResume(mBindPackagesUpdatedRunnable, true)) { 3879 mWidgetsAndShortcuts = widgetsAndShortcuts; 3880 return; 3881 } 3882 3883 // Update the widgets pane 3884 if (mAppsCustomizeContent != null) { 3885 mAppsCustomizeContent.onPackagesUpdated(widgetsAndShortcuts); 3886 } 3887 } 3888 3889 private int mapConfigurationOriActivityInfoOri(int configOri) { 3890 final Display d = getWindowManager().getDefaultDisplay(); 3891 int naturalOri = Configuration.ORIENTATION_LANDSCAPE; 3892 switch (d.getRotation()) { 3893 case Surface.ROTATION_0: 3894 case Surface.ROTATION_180: 3895 // We are currently in the same basic orientation as the natural orientation 3896 naturalOri = configOri; 3897 break; 3898 case Surface.ROTATION_90: 3899 case Surface.ROTATION_270: 3900 // We are currently in the other basic orientation to the natural orientation 3901 naturalOri = (configOri == Configuration.ORIENTATION_LANDSCAPE) ? 3902 Configuration.ORIENTATION_PORTRAIT : Configuration.ORIENTATION_LANDSCAPE; 3903 break; 3904 } 3905 3906 int[] oriMap = { 3907 ActivityInfo.SCREEN_ORIENTATION_PORTRAIT, 3908 ActivityInfo.SCREEN_ORIENTATION_LANDSCAPE, 3909 ActivityInfo.SCREEN_ORIENTATION_REVERSE_PORTRAIT, 3910 ActivityInfo.SCREEN_ORIENTATION_REVERSE_LANDSCAPE 3911 }; 3912 // Since the map starts at portrait, we need to offset if this device's natural orientation 3913 // is landscape. 3914 int indexOffset = 0; 3915 if (naturalOri == Configuration.ORIENTATION_LANDSCAPE) { 3916 indexOffset = 1; 3917 } 3918 return oriMap[(d.getRotation() + indexOffset) % 4]; 3919 } 3920 3921 public boolean isRotationEnabled() { 3922 boolean enableRotation = sForceEnableRotation || 3923 getResources().getBoolean(R.bool.allow_rotation); 3924 return enableRotation; 3925 } 3926 public void lockScreenOrientation() { 3927 if (isRotationEnabled()) { 3928 setRequestedOrientation(mapConfigurationOriActivityInfoOri(getResources() 3929 .getConfiguration().orientation)); 3930 } 3931 } 3932 public void unlockScreenOrientation(boolean immediate) { 3933 if (isRotationEnabled()) { 3934 if (immediate) { 3935 setRequestedOrientation(ActivityInfo.SCREEN_ORIENTATION_UNSPECIFIED); 3936 } else { 3937 mHandler.postDelayed(new Runnable() { 3938 public void run() { 3939 setRequestedOrientation(ActivityInfo.SCREEN_ORIENTATION_UNSPECIFIED); 3940 } 3941 }, mRestoreScreenOrientationDelay); 3942 } 3943 } 3944 } 3945 3946 /* Cling related */ 3947 private boolean isClingsEnabled() { 3948 if (DISABLE_CLINGS) { 3949 return false; 3950 } 3951 3952 // disable clings when running in a test harness 3953 if(ActivityManager.isRunningInTestHarness()) return false; 3954 3955 // Restricted secondary users (child mode) will potentially have very few apps 3956 // seeded when they start up for the first time. Clings won't work well with that 3957// boolean supportsLimitedUsers = 3958// android.os.Build.VERSION.SDK_INT >= android.os.Build.VERSION_CODES.JELLY_BEAN_MR2; 3959// Account[] accounts = AccountManager.get(this).getAccounts(); 3960// if (supportsLimitedUsers && accounts.length == 0) { 3961// UserManager um = (UserManager) getSystemService(Context.USER_SERVICE); 3962// Bundle restrictions = um.getUserRestrictions(); 3963// if (restrictions.getBoolean(UserManager.DISALLOW_MODIFY_ACCOUNTS, false)) { 3964// return false; 3965// } 3966// } 3967 return true; 3968 } 3969 3970 private Cling initCling(int clingId, int[] positionData, boolean animate, int delay) { 3971 final Cling cling = (Cling) findViewById(clingId); 3972 if (cling != null) { 3973 cling.init(this, positionData); 3974 cling.setVisibility(View.VISIBLE); 3975 cling.setLayerType(View.LAYER_TYPE_HARDWARE, null); 3976 if (animate) { 3977 cling.buildLayer(); 3978 cling.setAlpha(0f); 3979 cling.animate() 3980 .alpha(1f) 3981 .setInterpolator(new AccelerateInterpolator()) 3982 .setDuration(SHOW_CLING_DURATION) 3983 .setStartDelay(delay) 3984 .start(); 3985 } else { 3986 cling.setAlpha(1f); 3987 } 3988 cling.setFocusableInTouchMode(true); 3989 cling.post(new Runnable() { 3990 public void run() { 3991 cling.setFocusable(true); 3992 cling.requestFocus(); 3993 } 3994 }); 3995 mHideFromAccessibilityHelper.setImportantForAccessibilityToNo( 3996 mDragLayer, clingId == R.id.all_apps_cling); 3997 } 3998 return cling; 3999 } 4000 4001 private void dismissCling(final Cling cling, final String flag, int duration) { 4002 // To catch cases where siblings of top-level views are made invisible, just check whether 4003 // the cling is directly set to GONE before dismissing it. 4004 if (cling != null && cling.getVisibility() != View.GONE) { 4005 ObjectAnimator anim = LauncherAnimUtils.ofFloat(cling, "alpha", 0f); 4006 anim.setDuration(duration); 4007 anim.addListener(new AnimatorListenerAdapter() { 4008 public void onAnimationEnd(Animator animation) { 4009 cling.setVisibility(View.GONE); 4010 cling.cleanup(); 4011 // We should update the shared preferences on a background thread 4012 new Thread("dismissClingThread") { 4013 public void run() { 4014 SharedPreferences.Editor editor = mSharedPrefs.edit(); 4015 editor.putBoolean(flag, true); 4016 editor.commit(); 4017 } 4018 }.start(); 4019 }; 4020 }); 4021 anim.start(); 4022 mHideFromAccessibilityHelper.restoreImportantForAccessibility(mDragLayer); 4023 } 4024 } 4025 4026 private void removeCling(int id) { 4027 final View cling = findViewById(id); 4028 if (cling != null) { 4029 final ViewGroup parent = (ViewGroup) cling.getParent(); 4030 parent.post(new Runnable() { 4031 @Override 4032 public void run() { 4033 parent.removeView(cling); 4034 } 4035 }); 4036 mHideFromAccessibilityHelper.restoreImportantForAccessibility(mDragLayer); 4037 } 4038 } 4039 4040 private boolean skipCustomClingIfNoAccounts() { 4041 Cling cling = (Cling) findViewById(R.id.workspace_cling); 4042 boolean customCling = cling.getDrawIdentifier().equals("workspace_custom"); 4043 if (customCling) { 4044 AccountManager am = AccountManager.get(this); 4045 if (am == null) return false; 4046 Account[] accounts = am.getAccountsByType("com.google"); 4047 return accounts.length == 0; 4048 } 4049 return false; 4050 } 4051 4052 public void showFirstRunWorkspaceCling() { 4053 // Enable the clings only if they have not been dismissed before 4054 if (isClingsEnabled() && 4055 !mSharedPrefs.getBoolean(Cling.WORKSPACE_CLING_DISMISSED_KEY, false) && 4056 !skipCustomClingIfNoAccounts() ) { 4057 // If we're not using the default workspace layout, replace workspace cling 4058 // with a custom workspace cling (usually specified in an overlay) 4059 // For now, only do this on tablets 4060 if (mSharedPrefs.getInt(LauncherProvider.DEFAULT_WORKSPACE_RESOURCE_ID, 0) != 0 && 4061 getResources().getBoolean(R.bool.config_useCustomClings)) { 4062 // Use a custom cling 4063 View cling = findViewById(R.id.workspace_cling); 4064 ViewGroup clingParent = (ViewGroup) cling.getParent(); 4065 int clingIndex = clingParent.indexOfChild(cling); 4066 clingParent.removeViewAt(clingIndex); 4067 View customCling = mInflater.inflate(R.layout.custom_workspace_cling, clingParent, false); 4068 clingParent.addView(customCling, clingIndex); 4069 customCling.setId(R.id.workspace_cling); 4070 } 4071 initCling(R.id.workspace_cling, null, false, 0); 4072 } else { 4073 removeCling(R.id.workspace_cling); 4074 } 4075 } 4076 public void showFirstRunAllAppsCling(int[] position) { 4077 // Enable the clings only if they have not been dismissed before 4078 if (isClingsEnabled() && 4079 !mSharedPrefs.getBoolean(Cling.ALLAPPS_CLING_DISMISSED_KEY, false)) { 4080 initCling(R.id.all_apps_cling, position, true, 0); 4081 } else { 4082 removeCling(R.id.all_apps_cling); 4083 } 4084 } 4085 public Cling showFirstRunFoldersCling() { 4086 // Enable the clings only if they have not been dismissed before 4087 if (isClingsEnabled() && 4088 !mSharedPrefs.getBoolean(Cling.FOLDER_CLING_DISMISSED_KEY, false)) { 4089 return initCling(R.id.folder_cling, null, true, 0); 4090 } else { 4091 removeCling(R.id.folder_cling); 4092 return null; 4093 } 4094 } 4095 protected SharedPreferences getSharedPrefs() { 4096 return mSharedPrefs; 4097 } 4098 public boolean isFolderClingVisible() { 4099 Cling cling = (Cling) findViewById(R.id.folder_cling); 4100 if (cling != null) { 4101 return cling.getVisibility() == View.VISIBLE; 4102 } 4103 return false; 4104 } 4105 public void dismissWorkspaceCling(View v) { 4106 Cling cling = (Cling) findViewById(R.id.workspace_cling); 4107 dismissCling(cling, Cling.WORKSPACE_CLING_DISMISSED_KEY, DISMISS_CLING_DURATION); 4108 } 4109 public void dismissAllAppsCling(View v) { 4110 Cling cling = (Cling) findViewById(R.id.all_apps_cling); 4111 dismissCling(cling, Cling.ALLAPPS_CLING_DISMISSED_KEY, DISMISS_CLING_DURATION); 4112 } 4113 public void dismissFolderCling(View v) { 4114 Cling cling = (Cling) findViewById(R.id.folder_cling); 4115 dismissCling(cling, Cling.FOLDER_CLING_DISMISSED_KEY, DISMISS_CLING_DURATION); 4116 } 4117 4118 /** 4119 * Prints out out state for debugging. 4120 */ 4121 public void dumpState() { 4122 Log.d(TAG, "BEGIN launcher3 dump state for launcher " + this); 4123 Log.d(TAG, "mSavedState=" + mSavedState); 4124 Log.d(TAG, "mWorkspaceLoading=" + mWorkspaceLoading); 4125 Log.d(TAG, "mRestoring=" + mRestoring); 4126 Log.d(TAG, "mWaitingForResult=" + mWaitingForResult); 4127 Log.d(TAG, "mSavedInstanceState=" + mSavedInstanceState); 4128 Log.d(TAG, "sFolders.size=" + sFolders.size()); 4129 mModel.dumpState(); 4130 4131 if (mAppsCustomizeContent != null) { 4132 mAppsCustomizeContent.dumpState(); 4133 } 4134 Log.d(TAG, "END launcher3 dump state"); 4135 } 4136 4137 @Override 4138 public void dump(String prefix, FileDescriptor fd, PrintWriter writer, String[] args) { 4139 super.dump(prefix, fd, writer, args); 4140 writer.println(" "); 4141 writer.println("Debug logs: "); 4142 for (int i = 0; i < sDumpLogs.size(); i++) { 4143 writer.println(" " + sDumpLogs.get(i)); 4144 } 4145 } 4146 4147 public static void dumpDebugLogsToConsole() { 4148 Log.d(TAG, ""); 4149 Log.d(TAG, "*********************"); 4150 Log.d(TAG, "Launcher debug logs: "); 4151 for (int i = 0; i < sDumpLogs.size(); i++) { 4152 Log.d(TAG, " " + sDumpLogs.get(i)); 4153 } 4154 Log.d(TAG, "*********************"); 4155 Log.d(TAG, ""); 4156 } 4157} 4158 4159interface LauncherTransitionable { 4160 View getContent(); 4161 void onLauncherTransitionPrepare(Launcher l, boolean animated, boolean toWorkspace); 4162 void onLauncherTransitionStart(Launcher l, boolean animated, boolean toWorkspace); 4163 void onLauncherTransitionStep(Launcher l, float t); 4164 void onLauncherTransitionEnd(Launcher l, boolean animated, boolean toWorkspace); 4165} 4166