Launcher.java revision a0b5749433c66b6fed5c6026414ef438a938089b
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.ResolveInfo; 48import android.content.pm.PackageManager.NameNotFoundException; 49import android.content.res.Configuration; 50import android.content.res.Resources; 51import android.database.ContentObserver; 52import android.graphics.Bitmap; 53import android.graphics.Canvas; 54import android.graphics.Color; 55import android.graphics.PorterDuff; 56import android.graphics.Rect; 57import android.graphics.drawable.ColorDrawable; 58import android.graphics.drawable.Drawable; 59import android.net.Uri; 60import android.os.AsyncTask; 61import android.os.Bundle; 62import android.os.Environment; 63import android.os.Handler; 64import android.os.Message; 65import android.os.StrictMode; 66import android.os.SystemClock; 67import android.provider.Settings; 68import android.speech.RecognizerIntent; 69import android.text.Selection; 70import android.text.SpannableStringBuilder; 71import android.text.TextUtils; 72import android.text.method.TextKeyListener; 73import android.util.Log; 74import android.view.*; 75import android.view.View.OnLongClickListener; 76import android.view.ViewTreeObserver.OnGlobalLayoutListener; 77import android.view.accessibility.AccessibilityEvent; 78import android.view.animation.AccelerateDecelerateInterpolator; 79import android.view.animation.AccelerateInterpolator; 80import android.view.animation.DecelerateInterpolator; 81import android.view.inputmethod.InputMethodManager; 82import android.widget.*; 83 84import com.android.launcher3.R; 85import com.android.launcher3.DropTarget.DragObject; 86 87import java.io.DataInputStream; 88import java.io.DataOutputStream; 89import java.io.FileDescriptor; 90import java.io.FileNotFoundException; 91import java.io.IOException; 92import java.io.PrintWriter; 93import java.util.ArrayList; 94import java.util.Collection; 95import java.util.Collections; 96import java.util.Comparator; 97import java.util.HashMap; 98import java.util.HashSet; 99import java.util.List; 100import java.util.Set; 101 102/** 103 * Default launcher application. 104 */ 105public class Launcher extends Activity 106 implements View.OnClickListener, OnLongClickListener, LauncherModel.Callbacks, 107 View.OnTouchListener { 108 static final String TAG = "Launcher"; 109 static final boolean LOGD = false; 110 111 static final boolean PROFILE_STARTUP = true; 112 static final boolean DEBUG_WIDGETS = false; 113 static final boolean DEBUG_STRICT_MODE = false; 114 static final boolean DEBUG_RESUME_TIME = true; 115 static final boolean DEBUG_MEMORY = true; 116 117 private static final int MENU_GROUP_WALLPAPER = 1; 118 private static final int MENU_WALLPAPER_SETTINGS = Menu.FIRST + 1; 119 private static final int MENU_MANAGE_APPS = MENU_WALLPAPER_SETTINGS + 1; 120 private static final int MENU_SYSTEM_SETTINGS = MENU_MANAGE_APPS + 1; 121 private static final int MENU_HELP = MENU_SYSTEM_SETTINGS + 1; 122 123 private static final int REQUEST_CREATE_SHORTCUT = 1; 124 private static final int REQUEST_CREATE_APPWIDGET = 5; 125 private static final int REQUEST_PICK_APPLICATION = 6; 126 private static final int REQUEST_PICK_SHORTCUT = 7; 127 private static final int REQUEST_PICK_APPWIDGET = 9; 128 private static final int REQUEST_PICK_WALLPAPER = 10; 129 130 private static final int REQUEST_BIND_APPWIDGET = 11; 131 132 /** 133 * IntentStarter uses request codes starting with this. This must be greater than all activity 134 * request codes used internally. 135 */ 136 protected static final int REQUEST_LAST = 100; 137 138 static final String EXTRA_SHORTCUT_DUPLICATE = "duplicate"; 139 140 static final int SCREEN_COUNT = 5; 141 static final int DEFAULT_SCREEN = 2; 142 143 private static final String PREFERENCES = "launcher.preferences"; 144 // To turn on these properties, type 145 // adb shell setprop log.tag.PROPERTY_NAME [VERBOSE | SUPPRESS] 146 static final String FORCE_ENABLE_ROTATION_PROPERTY = "launcher_force_rotate"; 147 static final String DUMP_STATE_PROPERTY = "launcher_dump_state"; 148 149 // The Intent extra that defines whether to ignore the launch animation 150 static final String INTENT_EXTRA_IGNORE_LAUNCH_ANIMATION = 151 "com.android.launcher3.intent.extra.shortcut.INGORE_LAUNCH_ANIMATION"; 152 153 // Type: int 154 private static final String RUNTIME_STATE_CURRENT_SCREEN = "launcher.current_screen"; 155 // Type: int 156 private static final String RUNTIME_STATE = "launcher.state"; 157 // Type: int 158 private static final String RUNTIME_STATE_PENDING_ADD_CONTAINER = "launcher.add_container"; 159 // Type: int 160 private static final String RUNTIME_STATE_PENDING_ADD_SCREEN = "launcher.add_screen"; 161 // Type: int 162 private static final String RUNTIME_STATE_PENDING_ADD_CELL_X = "launcher.add_cell_x"; 163 // Type: int 164 private static final String RUNTIME_STATE_PENDING_ADD_CELL_Y = "launcher.add_cell_y"; 165 // Type: boolean 166 private static final String RUNTIME_STATE_PENDING_FOLDER_RENAME = "launcher.rename_folder"; 167 // Type: long 168 private static final String RUNTIME_STATE_PENDING_FOLDER_RENAME_ID = "launcher.rename_folder_id"; 169 // Type: int 170 private static final String RUNTIME_STATE_PENDING_ADD_SPAN_X = "launcher.add_span_x"; 171 // Type: int 172 private static final String RUNTIME_STATE_PENDING_ADD_SPAN_Y = "launcher.add_span_y"; 173 // Type: parcelable 174 private static final String RUNTIME_STATE_PENDING_ADD_WIDGET_INFO = "launcher.add_widget_info"; 175 176 private static final String TOOLBAR_ICON_METADATA_NAME = "com.android.launcher.toolbar_icon"; 177 private static final String TOOLBAR_SEARCH_ICON_METADATA_NAME = 178 "com.android.launcher.toolbar_search_icon"; 179 private static final String TOOLBAR_VOICE_SEARCH_ICON_METADATA_NAME = 180 "com.android.launcher.toolbar_voice_search_icon"; 181 182 /** The different states that Launcher can be in. */ 183 private enum State { NONE, WORKSPACE, APPS_CUSTOMIZE, APPS_CUSTOMIZE_SPRING_LOADED }; 184 private State mState = State.WORKSPACE; 185 private AnimatorSet mStateAnimation; 186 private AnimatorSet mDividerAnimator; 187 188 static final int APPWIDGET_HOST_ID = 1024; 189 private static final int EXIT_SPRINGLOADED_MODE_SHORT_TIMEOUT = 300; 190 private static final int EXIT_SPRINGLOADED_MODE_LONG_TIMEOUT = 600; 191 private static final int SHOW_CLING_DURATION = 550; 192 private static final int DISMISS_CLING_DURATION = 250; 193 194 private static final Object sLock = new Object(); 195 private static int sScreen = DEFAULT_SCREEN; 196 197 // How long to wait before the new-shortcut animation automatically pans the workspace 198 private static int NEW_APPS_ANIMATION_INACTIVE_TIMEOUT_SECONDS = 10; 199 200 private final BroadcastReceiver mCloseSystemDialogsReceiver 201 = new CloseSystemDialogsIntentReceiver(); 202 private final ContentObserver mWidgetObserver = new AppWidgetResetObserver(); 203 204 private LayoutInflater mInflater; 205 206 private Workspace mWorkspace; 207 private View mQsbDivider; 208 private View mDockDivider; 209 private View mLauncherView; 210 private DragLayer mDragLayer; 211 private DragController mDragController; 212 213 private AppWidgetManager mAppWidgetManager; 214 private LauncherAppWidgetHost mAppWidgetHost; 215 216 private ItemInfo mPendingAddInfo = new ItemInfo(); 217 private AppWidgetProviderInfo mPendingAddWidgetInfo; 218 219 private int[] mTmpAddItemCellCoordinates = new int[2]; 220 221 private FolderInfo mFolderInfo; 222 223 private Hotseat mHotseat; 224 private View mAllAppsButton; 225 226 private SearchDropTargetBar mSearchDropTargetBar; 227 private AppsCustomizeTabHost mAppsCustomizeTabHost; 228 private AppsCustomizePagedView mAppsCustomizeContent; 229 private boolean mAutoAdvanceRunning = false; 230 231 private Bundle mSavedState; 232 // We set the state in both onCreate and then onNewIntent in some cases, which causes both 233 // scroll issues (because the workspace may not have been measured yet) and extra work. 234 // Instead, just save the state that we need to restore Launcher to, and commit it in onResume. 235 private State mOnResumeState = State.NONE; 236 237 private SpannableStringBuilder mDefaultKeySsb = null; 238 239 private boolean mWorkspaceLoading = true; 240 241 private boolean mPaused = true; 242 private boolean mRestoring; 243 private boolean mWaitingForResult; 244 private boolean mOnResumeNeedsLoad; 245 246 private ArrayList<Runnable> mOnResumeCallbacks = new ArrayList<Runnable>(); 247 248 // Keep track of whether the user has left launcher 249 private static boolean sPausedFromUserAction = false; 250 251 private Bundle mSavedInstanceState; 252 253 private LauncherModel mModel; 254 private IconCache mIconCache; 255 private boolean mUserPresent = true; 256 private boolean mVisible = false; 257 private boolean mAttached = false; 258 private static final boolean DISABLE_CLINGS = true; 259 260 private static LocaleConfiguration sLocaleConfiguration = null; 261 262 private static HashMap<Long, FolderInfo> sFolders = new HashMap<Long, FolderInfo>(); 263 264 private Intent mAppMarketIntent = null; 265 266 // Related to the auto-advancing of widgets 267 private final int ADVANCE_MSG = 1; 268 private final int mAdvanceInterval = 20000; 269 private final int mAdvanceStagger = 250; 270 private long mAutoAdvanceSentTime; 271 private long mAutoAdvanceTimeLeft = -1; 272 private HashMap<View, AppWidgetProviderInfo> mWidgetsToAdvance = 273 new HashMap<View, AppWidgetProviderInfo>(); 274 275 // Determines how long to wait after a rotation before restoring the screen orientation to 276 // match the sensor state. 277 private final int mRestoreScreenOrientationDelay = 500; 278 279 // External icons saved in case of resource changes, orientation, etc. 280 private static Drawable.ConstantState[] sGlobalSearchIcon = new Drawable.ConstantState[2]; 281 private static Drawable.ConstantState[] sVoiceSearchIcon = new Drawable.ConstantState[2]; 282 private static Drawable.ConstantState[] sAppMarketIcon = new Drawable.ConstantState[2]; 283 284 private Drawable mWorkspaceBackgroundDrawable; 285 286 private final ArrayList<Integer> mSynchronouslyBoundPages = new ArrayList<Integer>(); 287 288 static final ArrayList<String> sDumpLogs = new ArrayList<String>(); 289 290 // We only want to get the SharedPreferences once since it does an FS stat each time we get 291 // it from the context. 292 private SharedPreferences mSharedPrefs; 293 294 private static ArrayList<ComponentName> mIntentsOnWorkspaceFromUpgradePath = null; 295 296 // Holds the page that we need to animate to, and the icon views that we need to animate up 297 // when we scroll to that page on resume. 298 private int mNewShortcutAnimatePage = -1; 299 private ArrayList<View> mNewShortcutAnimateViews = new ArrayList<View>(); 300 private ImageView mFolderIconImageView; 301 private Bitmap mFolderIconBitmap; 302 private Canvas mFolderIconCanvas; 303 private Rect mRectForFolderAnimation = new Rect(); 304 305 private BubbleTextView mWaitingForResume; 306 307 private HideFromAccessibilityHelper mHideFromAccessibilityHelper 308 = new HideFromAccessibilityHelper(); 309 310 private Runnable mBuildLayersRunnable = new Runnable() { 311 public void run() { 312 if (mWorkspace != null) { 313 mWorkspace.buildPageHardwareLayers(); 314 } 315 } 316 }; 317 318 private static ArrayList<PendingAddArguments> sPendingAddList 319 = new ArrayList<PendingAddArguments>(); 320 321 private static boolean sForceEnableRotation = isPropertyEnabled(FORCE_ENABLE_ROTATION_PROPERTY); 322 323 private static class PendingAddArguments { 324 int requestCode; 325 Intent intent; 326 long container; 327 int screen; 328 int cellX; 329 int cellY; 330 } 331 332 private static boolean isPropertyEnabled(String propertyName) { 333 return Log.isLoggable(propertyName, Log.VERBOSE); 334 } 335 336 @Override 337 protected void onCreate(Bundle savedInstanceState) { 338 if (DEBUG_STRICT_MODE) { 339 StrictMode.setThreadPolicy(new StrictMode.ThreadPolicy.Builder() 340 .detectDiskReads() 341 .detectDiskWrites() 342 .detectNetwork() // or .detectAll() for all detectable problems 343 .penaltyLog() 344 .build()); 345 StrictMode.setVmPolicy(new StrictMode.VmPolicy.Builder() 346 .detectLeakedSqlLiteObjects() 347 .detectLeakedClosableObjects() 348 .penaltyLog() 349 .penaltyDeath() 350 .build()); 351 } 352 353 super.onCreate(savedInstanceState); 354 LauncherAppState app = LauncherAppState.getInstance(); 355 mSharedPrefs = getSharedPreferences(LauncherAppState.getSharedPreferencesKey(), 356 Context.MODE_PRIVATE); 357 mModel = app.setLauncher(this); 358 mIconCache = app.getIconCache(); 359 mDragController = new DragController(this); 360 mInflater = getLayoutInflater(); 361 362 mAppWidgetManager = AppWidgetManager.getInstance(this); 363 mAppWidgetHost = new LauncherAppWidgetHost(this, APPWIDGET_HOST_ID); 364 mAppWidgetHost.startListening(); 365 366 // If we are getting an onCreate, we can actually preempt onResume and unset mPaused here, 367 // this also ensures that any synchronous binding below doesn't re-trigger another 368 // LauncherModel load. 369 mPaused = false; 370 371 if (PROFILE_STARTUP) { 372 android.os.Debug.startMethodTracing( 373 Environment.getExternalStorageDirectory() + "/launcher"); 374 } 375 376 checkForLocaleChange(); 377 setContentView(R.layout.launcher); 378 setupViews(); 379 showFirstRunWorkspaceCling(); 380 381 registerContentObservers(); 382 383 lockAllApps(); 384 385 mSavedState = savedInstanceState; 386 restoreState(mSavedState); 387 388 // Update customization drawer _after_ restoring the states 389 if (mAppsCustomizeContent != null) { 390 mAppsCustomizeContent.onPackagesUpdated( 391 LauncherModel.getSortedWidgetsAndShortcuts(this)); 392 } 393 394 if (PROFILE_STARTUP) { 395 android.os.Debug.stopMethodTracing(); 396 } 397 398 if (!mRestoring) { 399 if (sPausedFromUserAction) { 400 // If the user leaves launcher, then we should just load items asynchronously when 401 // they return. 402 mModel.startLoader(true, -1); 403 } else { 404 // We only load the page synchronously if the user rotates (or triggers a 405 // configuration change) while launcher is in the foreground 406 mModel.startLoader(true, mWorkspace.getCurrentPage()); 407 } 408 } 409 410 if (!mModel.isAllAppsLoaded()) { 411 ViewGroup appsCustomizeContentParent = (ViewGroup) mAppsCustomizeContent.getParent(); 412 mInflater.inflate(R.layout.apps_customize_progressbar, appsCustomizeContentParent); 413 } 414 415 // For handling default keys 416 mDefaultKeySsb = new SpannableStringBuilder(); 417 Selection.setSelection(mDefaultKeySsb, 0); 418 419 IntentFilter filter = new IntentFilter(Intent.ACTION_CLOSE_SYSTEM_DIALOGS); 420 registerReceiver(mCloseSystemDialogsReceiver, filter); 421 422 updateGlobalIcons(); 423 424 // On large interfaces, we want the screen to auto-rotate based on the current orientation 425 unlockScreenOrientation(true); 426 } 427 428 protected void onUserLeaveHint() { 429 super.onUserLeaveHint(); 430 sPausedFromUserAction = true; 431 } 432 433 private void updateGlobalIcons() { 434 boolean searchVisible = false; 435 boolean voiceVisible = false; 436 // If we have a saved version of these external icons, we load them up immediately 437 int coi = getCurrentOrientationIndexForGlobalIcons(); 438 if (sGlobalSearchIcon[coi] == null || sVoiceSearchIcon[coi] == null || 439 sAppMarketIcon[coi] == null) { 440 updateAppMarketIcon(); 441 searchVisible = updateGlobalSearchIcon(); 442 voiceVisible = updateVoiceSearchIcon(searchVisible); 443 } 444 if (sGlobalSearchIcon[coi] != null) { 445 updateGlobalSearchIcon(sGlobalSearchIcon[coi]); 446 searchVisible = true; 447 } 448 if (sVoiceSearchIcon[coi] != null) { 449 updateVoiceSearchIcon(sVoiceSearchIcon[coi]); 450 voiceVisible = true; 451 } 452 if (sAppMarketIcon[coi] != null) { 453 updateAppMarketIcon(sAppMarketIcon[coi]); 454 } 455 if (mSearchDropTargetBar != null) { 456 mSearchDropTargetBar.onSearchPackagesChanged(searchVisible, voiceVisible); 457 } 458 } 459 460 private void checkForLocaleChange() { 461 if (sLocaleConfiguration == null) { 462 new AsyncTask<Void, Void, LocaleConfiguration>() { 463 @Override 464 protected LocaleConfiguration doInBackground(Void... unused) { 465 LocaleConfiguration localeConfiguration = new LocaleConfiguration(); 466 readConfiguration(Launcher.this, localeConfiguration); 467 return localeConfiguration; 468 } 469 470 @Override 471 protected void onPostExecute(LocaleConfiguration result) { 472 sLocaleConfiguration = result; 473 checkForLocaleChange(); // recursive, but now with a locale configuration 474 } 475 }.execute(); 476 return; 477 } 478 479 final Configuration configuration = getResources().getConfiguration(); 480 481 final String previousLocale = sLocaleConfiguration.locale; 482 final String locale = configuration.locale.toString(); 483 484 final int previousMcc = sLocaleConfiguration.mcc; 485 final int mcc = configuration.mcc; 486 487 final int previousMnc = sLocaleConfiguration.mnc; 488 final int mnc = configuration.mnc; 489 490 boolean localeChanged = !locale.equals(previousLocale) || mcc != previousMcc || mnc != previousMnc; 491 492 if (localeChanged) { 493 sLocaleConfiguration.locale = locale; 494 sLocaleConfiguration.mcc = mcc; 495 sLocaleConfiguration.mnc = mnc; 496 497 mIconCache.flush(); 498 499 final LocaleConfiguration localeConfiguration = sLocaleConfiguration; 500 new Thread("WriteLocaleConfiguration") { 501 @Override 502 public void run() { 503 writeConfiguration(Launcher.this, localeConfiguration); 504 } 505 }.start(); 506 } 507 } 508 509 private static class LocaleConfiguration { 510 public String locale; 511 public int mcc = -1; 512 public int mnc = -1; 513 } 514 515 private static void readConfiguration(Context context, LocaleConfiguration configuration) { 516 DataInputStream in = null; 517 try { 518 in = new DataInputStream(context.openFileInput(PREFERENCES)); 519 configuration.locale = in.readUTF(); 520 configuration.mcc = in.readInt(); 521 configuration.mnc = in.readInt(); 522 } catch (FileNotFoundException e) { 523 // Ignore 524 } catch (IOException e) { 525 // Ignore 526 } finally { 527 if (in != null) { 528 try { 529 in.close(); 530 } catch (IOException e) { 531 // Ignore 532 } 533 } 534 } 535 } 536 537 private static void writeConfiguration(Context context, LocaleConfiguration configuration) { 538 DataOutputStream out = null; 539 try { 540 out = new DataOutputStream(context.openFileOutput(PREFERENCES, MODE_PRIVATE)); 541 out.writeUTF(configuration.locale); 542 out.writeInt(configuration.mcc); 543 out.writeInt(configuration.mnc); 544 out.flush(); 545 } catch (FileNotFoundException e) { 546 // Ignore 547 } catch (IOException e) { 548 //noinspection ResultOfMethodCallIgnored 549 context.getFileStreamPath(PREFERENCES).delete(); 550 } finally { 551 if (out != null) { 552 try { 553 out.close(); 554 } catch (IOException e) { 555 // Ignore 556 } 557 } 558 } 559 } 560 561 public LayoutInflater getInflater() { 562 return mInflater; 563 } 564 565 public DragLayer getDragLayer() { 566 return mDragLayer; 567 } 568 569 boolean isDraggingEnabled() { 570 // We prevent dragging when we are loading the workspace as it is possible to pick up a view 571 // that is subsequently removed from the workspace in startBinding(). 572 return !mModel.isLoadingWorkspace(); 573 } 574 575 static int getScreen() { 576 synchronized (sLock) { 577 return sScreen; 578 } 579 } 580 581 static void setScreen(int screen) { 582 synchronized (sLock) { 583 sScreen = screen; 584 } 585 } 586 587 /** 588 * Returns whether we should delay spring loaded mode -- for shortcuts and widgets that have 589 * a configuration step, this allows the proper animations to run after other transitions. 590 */ 591 private boolean completeAdd(PendingAddArguments args) { 592 boolean result = false; 593 switch (args.requestCode) { 594 case REQUEST_PICK_APPLICATION: 595 completeAddApplication(args.intent, args.container, args.screen, args.cellX, 596 args.cellY); 597 break; 598 case REQUEST_PICK_SHORTCUT: 599 processShortcut(args.intent); 600 break; 601 case REQUEST_CREATE_SHORTCUT: 602 completeAddShortcut(args.intent, args.container, args.screen, args.cellX, 603 args.cellY); 604 result = true; 605 break; 606 case REQUEST_CREATE_APPWIDGET: 607 int appWidgetId = args.intent.getIntExtra(AppWidgetManager.EXTRA_APPWIDGET_ID, -1); 608 completeAddAppWidget(appWidgetId, args.container, args.screen, null, null); 609 result = true; 610 break; 611 case REQUEST_PICK_WALLPAPER: 612 // We just wanted the activity result here so we can clear mWaitingForResult 613 break; 614 } 615 // Before adding this resetAddInfo(), after a shortcut was added to a workspace screen, 616 // if you turned the screen off and then back while in All Apps, Launcher would not 617 // return to the workspace. Clearing mAddInfo.container here fixes this issue 618 resetAddInfo(); 619 return result; 620 } 621 622 @Override 623 protected void onActivityResult( 624 final int requestCode, final int resultCode, final Intent data) { 625 if (requestCode == REQUEST_BIND_APPWIDGET) { 626 int appWidgetId = data != null ? 627 data.getIntExtra(AppWidgetManager.EXTRA_APPWIDGET_ID, -1) : -1; 628 if (resultCode == RESULT_CANCELED) { 629 completeTwoStageWidgetDrop(RESULT_CANCELED, appWidgetId); 630 } else if (resultCode == RESULT_OK) { 631 addAppWidgetImpl(appWidgetId, mPendingAddInfo, null, mPendingAddWidgetInfo); 632 } 633 return; 634 } 635 boolean delayExitSpringLoadedMode = false; 636 boolean isWidgetDrop = (requestCode == REQUEST_PICK_APPWIDGET || 637 requestCode == REQUEST_CREATE_APPWIDGET); 638 mWaitingForResult = false; 639 640 // We have special handling for widgets 641 if (isWidgetDrop) { 642 int appWidgetId = data != null ? 643 data.getIntExtra(AppWidgetManager.EXTRA_APPWIDGET_ID, -1) : -1; 644 if (appWidgetId < 0) { 645 Log.e(TAG, "Error: appWidgetId (EXTRA_APPWIDGET_ID) was not returned from the \\" + 646 "widget configuration activity."); 647 completeTwoStageWidgetDrop(RESULT_CANCELED, appWidgetId); 648 } else { 649 completeTwoStageWidgetDrop(resultCode, appWidgetId); 650 } 651 return; 652 } 653 654 // The pattern used here is that a user PICKs a specific application, 655 // which, depending on the target, might need to CREATE the actual target. 656 657 // For example, the user would PICK_SHORTCUT for "Music playlist", and we 658 // launch over to the Music app to actually CREATE_SHORTCUT. 659 if (resultCode == RESULT_OK && mPendingAddInfo.container != ItemInfo.NO_ID) { 660 final PendingAddArguments args = new PendingAddArguments(); 661 args.requestCode = requestCode; 662 args.intent = data; 663 args.container = mPendingAddInfo.container; 664 args.screen = mPendingAddInfo.screen; 665 args.cellX = mPendingAddInfo.cellX; 666 args.cellY = mPendingAddInfo.cellY; 667 if (isWorkspaceLocked()) { 668 sPendingAddList.add(args); 669 } else { 670 delayExitSpringLoadedMode = completeAdd(args); 671 } 672 } 673 mDragLayer.clearAnimatedView(); 674 // Exit spring loaded mode if necessary after cancelling the configuration of a widget 675 exitSpringLoadedDragModeDelayed((resultCode != RESULT_CANCELED), delayExitSpringLoadedMode, 676 null); 677 } 678 679 private void completeTwoStageWidgetDrop(final int resultCode, final int appWidgetId) { 680 CellLayout cellLayout = 681 (CellLayout) mWorkspace.getChildAt(mPendingAddInfo.screen); 682 Runnable onCompleteRunnable = null; 683 int animationType = 0; 684 685 AppWidgetHostView boundWidget = null; 686 if (resultCode == RESULT_OK) { 687 animationType = Workspace.COMPLETE_TWO_STAGE_WIDGET_DROP_ANIMATION; 688 final AppWidgetHostView layout = mAppWidgetHost.createView(this, appWidgetId, 689 mPendingAddWidgetInfo); 690 boundWidget = layout; 691 onCompleteRunnable = new Runnable() { 692 @Override 693 public void run() { 694 completeAddAppWidget(appWidgetId, mPendingAddInfo.container, 695 mPendingAddInfo.screen, layout, null); 696 exitSpringLoadedDragModeDelayed((resultCode != RESULT_CANCELED), false, 697 null); 698 } 699 }; 700 } else if (resultCode == RESULT_CANCELED) { 701 animationType = Workspace.CANCEL_TWO_STAGE_WIDGET_DROP_ANIMATION; 702 onCompleteRunnable = new Runnable() { 703 @Override 704 public void run() { 705 exitSpringLoadedDragModeDelayed((resultCode != RESULT_CANCELED), false, 706 null); 707 } 708 }; 709 } 710 if (mDragLayer.getAnimatedView() != null) { 711 mWorkspace.animateWidgetDrop(mPendingAddInfo, cellLayout, 712 (DragView) mDragLayer.getAnimatedView(), onCompleteRunnable, 713 animationType, boundWidget, true); 714 } else { 715 // The animated view may be null in the case of a rotation during widget configuration 716 onCompleteRunnable.run(); 717 } 718 } 719 720 @Override 721 protected void onStop() { 722 super.onStop(); 723 FirstFrameAnimatorHelper.setIsVisible(false); 724 } 725 726 @Override 727 protected void onStart() { 728 super.onStart(); 729 FirstFrameAnimatorHelper.setIsVisible(true); 730 } 731 732 @Override 733 protected void onResume() { 734 long startTime = 0; 735 if (DEBUG_RESUME_TIME) { 736 startTime = System.currentTimeMillis(); 737 Log.v(TAG, "Launcher.onResume()"); 738 } 739 super.onResume(); 740 741 // Restore the previous launcher state 742 if (mOnResumeState == State.WORKSPACE) { 743 showWorkspace(false); 744 } else if (mOnResumeState == State.APPS_CUSTOMIZE) { 745 showAllApps(false); 746 } 747 mOnResumeState = State.NONE; 748 749 // Background was set to gradient in onPause(), restore to black if in all apps. 750 setWorkspaceBackground(mState == State.WORKSPACE); 751 752 // Process any items that were added while Launcher was away 753 InstallShortcutReceiver.flushInstallQueue(this); 754 755 mPaused = false; 756 sPausedFromUserAction = false; 757 if (mRestoring || mOnResumeNeedsLoad) { 758 mWorkspaceLoading = true; 759 mModel.startLoader(true, -1); 760 mRestoring = false; 761 mOnResumeNeedsLoad = false; 762 } 763 if (mOnResumeCallbacks.size() > 0) { 764 // We might have postponed some bind calls until onResume (see waitUntilResume) -- 765 // execute them here 766 long startTimeCallbacks = 0; 767 if (DEBUG_RESUME_TIME) { 768 startTimeCallbacks = System.currentTimeMillis(); 769 } 770 771 if (mAppsCustomizeContent != null) { 772 mAppsCustomizeContent.setBulkBind(true); 773 } 774 for (int i = 0; i < mOnResumeCallbacks.size(); i++) { 775 mOnResumeCallbacks.get(i).run(); 776 } 777 if (mAppsCustomizeContent != null) { 778 mAppsCustomizeContent.setBulkBind(false); 779 } 780 mOnResumeCallbacks.clear(); 781 if (DEBUG_RESUME_TIME) { 782 Log.d(TAG, "Time spent processing callbacks in onResume: " + 783 (System.currentTimeMillis() - startTimeCallbacks)); 784 } 785 } 786 787 // Reset the pressed state of icons that were locked in the press state while activities 788 // were launching 789 if (mWaitingForResume != null) { 790 // Resets the previous workspace icon press state 791 mWaitingForResume.setStayPressed(false); 792 } 793 if (mAppsCustomizeContent != null) { 794 // Resets the previous all apps icon press state 795 mAppsCustomizeContent.resetDrawableState(); 796 } 797 // It is possible that widgets can receive updates while launcher is not in the foreground. 798 // Consequently, the widgets will be inflated in the orientation of the foreground activity 799 // (framework issue). On resuming, we ensure that any widgets are inflated for the current 800 // orientation. 801 getWorkspace().reinflateWidgetsIfNecessary(); 802 803 // Again, as with the above scenario, it's possible that one or more of the global icons 804 // were updated in the wrong orientation. 805 updateGlobalIcons(); 806 if (DEBUG_RESUME_TIME) { 807 Log.d(TAG, "Time spent in onResume: " + (System.currentTimeMillis() - startTime)); 808 } 809 } 810 811 @Override 812 protected void onPause() { 813 // NOTE: We want all transitions from launcher to act as if the wallpaper were enabled 814 // to be consistent. So re-enable the flag here, and we will re-disable it as necessary 815 // when Launcher resumes and we are still in AllApps. 816 updateWallpaperVisibility(true); 817 818 super.onPause(); 819 mPaused = true; 820 mDragController.cancelDrag(); 821 mDragController.resetLastGestureUpTime(); 822 } 823 824 protected void onFinishBindingItems() { 825 } 826 827 // Add a fullscreen unpadded view to the workspace to the left all other screens. 828 public void addCustomContentToLeft(View customContent) { 829 CellLayout customScreen = (CellLayout) 830 getLayoutInflater().inflate(R.layout.workspace_custom_content, null); 831 832 int spanX = customScreen.getCountX(); 833 int spanY = customScreen.getCountY(); 834 835 CellLayout.LayoutParams lp = new CellLayout.LayoutParams(0, 0, spanX, spanY); 836 lp.canReorder = false; 837 838 customScreen.addViewToCellLayout(customContent, 0, 0, lp, true); 839 840 mWorkspace.addView(customScreen, 0); 841 842 // Ensure that the current page and default page are maintained. 843 mWorkspace.incrementDefaultScreen(); 844 mWorkspace.setCurrentPage(mWorkspace.getCurrentPage() + 1); 845 } 846 847 @Override 848 public Object onRetainNonConfigurationInstance() { 849 // Flag the loader to stop early before switching 850 mModel.stopLoader(); 851 if (mAppsCustomizeContent != null) { 852 mAppsCustomizeContent.surrender(); 853 } 854 return Boolean.TRUE; 855 } 856 857 // We can't hide the IME if it was forced open. So don't bother 858 /* 859 @Override 860 public void onWindowFocusChanged(boolean hasFocus) { 861 super.onWindowFocusChanged(hasFocus); 862 863 if (hasFocus) { 864 final InputMethodManager inputManager = (InputMethodManager) 865 getSystemService(Context.INPUT_METHOD_SERVICE); 866 WindowManager.LayoutParams lp = getWindow().getAttributes(); 867 inputManager.hideSoftInputFromWindow(lp.token, 0, new android.os.ResultReceiver(new 868 android.os.Handler()) { 869 protected void onReceiveResult(int resultCode, Bundle resultData) { 870 Log.d(TAG, "ResultReceiver got resultCode=" + resultCode); 871 } 872 }); 873 Log.d(TAG, "called hideSoftInputFromWindow from onWindowFocusChanged"); 874 } 875 } 876 */ 877 878 private boolean acceptFilter() { 879 final InputMethodManager inputManager = (InputMethodManager) 880 getSystemService(Context.INPUT_METHOD_SERVICE); 881 return !inputManager.isFullscreenMode(); 882 } 883 884 @Override 885 public boolean onKeyDown(int keyCode, KeyEvent event) { 886 final int uniChar = event.getUnicodeChar(); 887 final boolean handled = super.onKeyDown(keyCode, event); 888 final boolean isKeyNotWhitespace = uniChar > 0 && !Character.isWhitespace(uniChar); 889 if (!handled && acceptFilter() && isKeyNotWhitespace) { 890 boolean gotKey = TextKeyListener.getInstance().onKeyDown(mWorkspace, mDefaultKeySsb, 891 keyCode, event); 892 if (gotKey && mDefaultKeySsb != null && mDefaultKeySsb.length() > 0) { 893 // something usable has been typed - start a search 894 // the typed text will be retrieved and cleared by 895 // showSearchDialog() 896 // If there are multiple keystrokes before the search dialog takes focus, 897 // onSearchRequested() will be called for every keystroke, 898 // but it is idempotent, so it's fine. 899 return onSearchRequested(); 900 } 901 } 902 903 // Eat the long press event so the keyboard doesn't come up. 904 if (keyCode == KeyEvent.KEYCODE_MENU && event.isLongPress()) { 905 return true; 906 } 907 908 return handled; 909 } 910 911 private String getTypedText() { 912 return mDefaultKeySsb.toString(); 913 } 914 915 private void clearTypedText() { 916 mDefaultKeySsb.clear(); 917 mDefaultKeySsb.clearSpans(); 918 Selection.setSelection(mDefaultKeySsb, 0); 919 } 920 921 /** 922 * Given the integer (ordinal) value of a State enum instance, convert it to a variable of type 923 * State 924 */ 925 private static State intToState(int stateOrdinal) { 926 State state = State.WORKSPACE; 927 final State[] stateValues = State.values(); 928 for (int i = 0; i < stateValues.length; i++) { 929 if (stateValues[i].ordinal() == stateOrdinal) { 930 state = stateValues[i]; 931 break; 932 } 933 } 934 return state; 935 } 936 937 /** 938 * Restores the previous state, if it exists. 939 * 940 * @param savedState The previous state. 941 */ 942 private void restoreState(Bundle savedState) { 943 if (savedState == null) { 944 return; 945 } 946 947 State state = intToState(savedState.getInt(RUNTIME_STATE, State.WORKSPACE.ordinal())); 948 if (state == State.APPS_CUSTOMIZE) { 949 mOnResumeState = State.APPS_CUSTOMIZE; 950 } 951 952 int currentScreen = savedState.getInt(RUNTIME_STATE_CURRENT_SCREEN, -1); 953 if (currentScreen > -1) { 954 mWorkspace.setCurrentPage(currentScreen); 955 } 956 957 final long pendingAddContainer = savedState.getLong(RUNTIME_STATE_PENDING_ADD_CONTAINER, -1); 958 final int pendingAddScreen = savedState.getInt(RUNTIME_STATE_PENDING_ADD_SCREEN, -1); 959 960 if (pendingAddContainer != ItemInfo.NO_ID && pendingAddScreen > -1) { 961 mPendingAddInfo.container = pendingAddContainer; 962 mPendingAddInfo.screen = pendingAddScreen; 963 mPendingAddInfo.cellX = savedState.getInt(RUNTIME_STATE_PENDING_ADD_CELL_X); 964 mPendingAddInfo.cellY = savedState.getInt(RUNTIME_STATE_PENDING_ADD_CELL_Y); 965 mPendingAddInfo.spanX = savedState.getInt(RUNTIME_STATE_PENDING_ADD_SPAN_X); 966 mPendingAddInfo.spanY = savedState.getInt(RUNTIME_STATE_PENDING_ADD_SPAN_Y); 967 mPendingAddWidgetInfo = savedState.getParcelable(RUNTIME_STATE_PENDING_ADD_WIDGET_INFO); 968 mWaitingForResult = true; 969 mRestoring = true; 970 } 971 972 973 boolean renameFolder = savedState.getBoolean(RUNTIME_STATE_PENDING_FOLDER_RENAME, false); 974 if (renameFolder) { 975 long id = savedState.getLong(RUNTIME_STATE_PENDING_FOLDER_RENAME_ID); 976 mFolderInfo = mModel.getFolderById(this, sFolders, id); 977 mRestoring = true; 978 } 979 980 981 // Restore the AppsCustomize tab 982 if (mAppsCustomizeTabHost != null) { 983 String curTab = savedState.getString("apps_customize_currentTab"); 984 if (curTab != null) { 985 mAppsCustomizeTabHost.setContentTypeImmediate( 986 mAppsCustomizeTabHost.getContentTypeForTabTag(curTab)); 987 mAppsCustomizeContent.loadAssociatedPages( 988 mAppsCustomizeContent.getCurrentPage()); 989 } 990 991 int currentIndex = savedState.getInt("apps_customize_currentIndex"); 992 mAppsCustomizeContent.restorePageForIndex(currentIndex); 993 } 994 } 995 996 /** 997 * Finds all the views we need and configure them properly. 998 */ 999 private void setupViews() { 1000 final DragController dragController = mDragController; 1001 1002 mLauncherView = findViewById(R.id.launcher); 1003 mDragLayer = (DragLayer) findViewById(R.id.drag_layer); 1004 mWorkspace = (Workspace) mDragLayer.findViewById(R.id.workspace); 1005 mQsbDivider = findViewById(R.id.qsb_divider); 1006 mDockDivider = findViewById(R.id.dock_divider); 1007 1008 mLauncherView.setSystemUiVisibility(View.SYSTEM_UI_FLAG_LAYOUT_FULLSCREEN); 1009 mWorkspaceBackgroundDrawable = getResources().getDrawable(R.drawable.workspace_bg); 1010 1011 // Setup the drag layer 1012 mDragLayer.setup(this, dragController); 1013 1014 // Setup the hotseat 1015 mHotseat = (Hotseat) findViewById(R.id.hotseat); 1016 if (mHotseat != null) { 1017 mHotseat.setup(this); 1018 } 1019 1020 // Setup the workspace 1021 mWorkspace.setHapticFeedbackEnabled(false); 1022 mWorkspace.setOnLongClickListener(this); 1023 mWorkspace.setup(dragController); 1024 dragController.addDragListener(mWorkspace); 1025 1026 // Get the search/delete bar 1027 mSearchDropTargetBar = (SearchDropTargetBar) mDragLayer.findViewById(R.id.qsb_bar); 1028 1029 // Setup AppsCustomize 1030 mAppsCustomizeTabHost = (AppsCustomizeTabHost) findViewById(R.id.apps_customize_pane); 1031 mAppsCustomizeContent = (AppsCustomizePagedView) 1032 mAppsCustomizeTabHost.findViewById(R.id.apps_customize_pane_content); 1033 mAppsCustomizeContent.setup(this, dragController); 1034 1035 // Setup the drag controller (drop targets have to be added in reverse order in priority) 1036 dragController.setDragScoller(mWorkspace); 1037 dragController.setScrollView(mDragLayer); 1038 dragController.setMoveTarget(mWorkspace); 1039 dragController.addDropTarget(mWorkspace); 1040 if (mSearchDropTargetBar != null) { 1041 mSearchDropTargetBar.setup(this, dragController); 1042 } 1043 1044 if (DEBUG_MEMORY) { 1045 Log.v(TAG, "adding WeightWatcher"); 1046 ((FrameLayout) mLauncherView).addView(new WeightWatcher(this), 1047 new FrameLayout.LayoutParams( 1048 FrameLayout.LayoutParams.MATCH_PARENT, 1049 44, 1050 Gravity.BOTTOM) 1051 ); 1052 } 1053 } 1054 1055 /** 1056 * Creates a view representing a shortcut. 1057 * 1058 * @param info The data structure describing the shortcut. 1059 * 1060 * @return A View inflated from R.layout.application. 1061 */ 1062 View createShortcut(ShortcutInfo info) { 1063 return createShortcut(R.layout.application, 1064 (ViewGroup) mWorkspace.getChildAt(mWorkspace.getCurrentPage()), info); 1065 } 1066 1067 /** 1068 * Creates a view representing a shortcut inflated from the specified resource. 1069 * 1070 * @param layoutResId The id of the XML layout used to create the shortcut. 1071 * @param parent The group the shortcut belongs to. 1072 * @param info The data structure describing the shortcut. 1073 * 1074 * @return A View inflated from layoutResId. 1075 */ 1076 View createShortcut(int layoutResId, ViewGroup parent, ShortcutInfo info) { 1077 BubbleTextView favorite = (BubbleTextView) mInflater.inflate(layoutResId, parent, false); 1078 favorite.applyFromShortcutInfo(info, mIconCache); 1079 favorite.setOnClickListener(this); 1080 return favorite; 1081 } 1082 1083 /** 1084 * Add an application shortcut to the workspace. 1085 * 1086 * @param data The intent describing the application. 1087 * @param cellInfo The position on screen where to create the shortcut. 1088 */ 1089 void completeAddApplication(Intent data, long container, int screen, int cellX, int cellY) { 1090 final int[] cellXY = mTmpAddItemCellCoordinates; 1091 final CellLayout layout = getCellLayout(container, screen); 1092 1093 // First we check if we already know the exact location where we want to add this item. 1094 if (cellX >= 0 && cellY >= 0) { 1095 cellXY[0] = cellX; 1096 cellXY[1] = cellY; 1097 } else if (!layout.findCellForSpan(cellXY, 1, 1)) { 1098 showOutOfSpaceMessage(isHotseatLayout(layout)); 1099 return; 1100 } 1101 1102 final ShortcutInfo info = mModel.getShortcutInfo(getPackageManager(), data, this); 1103 1104 if (info != null) { 1105 info.setActivity(data.getComponent(), Intent.FLAG_ACTIVITY_NEW_TASK | 1106 Intent.FLAG_ACTIVITY_RESET_TASK_IF_NEEDED); 1107 info.container = ItemInfo.NO_ID; 1108 mWorkspace.addApplicationShortcut(info, layout, container, screen, cellXY[0], cellXY[1], 1109 isWorkspaceLocked(), cellX, cellY); 1110 } else { 1111 Log.e(TAG, "Couldn't find ActivityInfo for selected application: " + data); 1112 } 1113 } 1114 1115 /** 1116 * Add a shortcut to the workspace. 1117 * 1118 * @param data The intent describing the shortcut. 1119 * @param cellInfo The position on screen where to create the shortcut. 1120 */ 1121 private void completeAddShortcut(Intent data, long container, int screen, int cellX, 1122 int cellY) { 1123 int[] cellXY = mTmpAddItemCellCoordinates; 1124 int[] touchXY = mPendingAddInfo.dropPos; 1125 CellLayout layout = getCellLayout(container, screen); 1126 1127 boolean foundCellSpan = false; 1128 1129 ShortcutInfo info = mModel.infoFromShortcutIntent(this, data, null); 1130 if (info == null) { 1131 return; 1132 } 1133 final View view = createShortcut(info); 1134 1135 // First we check if we already know the exact location where we want to add this item. 1136 if (cellX >= 0 && cellY >= 0) { 1137 cellXY[0] = cellX; 1138 cellXY[1] = cellY; 1139 foundCellSpan = true; 1140 1141 // If appropriate, either create a folder or add to an existing folder 1142 if (mWorkspace.createUserFolderIfNecessary(view, container, layout, cellXY, 0, 1143 true, null,null)) { 1144 return; 1145 } 1146 DragObject dragObject = new DragObject(); 1147 dragObject.dragInfo = info; 1148 if (mWorkspace.addToExistingFolderIfNecessary(view, layout, cellXY, 0, dragObject, 1149 true)) { 1150 return; 1151 } 1152 } else if (touchXY != null) { 1153 // when dragging and dropping, just find the closest free spot 1154 int[] result = layout.findNearestVacantArea(touchXY[0], touchXY[1], 1, 1, cellXY); 1155 foundCellSpan = (result != null); 1156 } else { 1157 foundCellSpan = layout.findCellForSpan(cellXY, 1, 1); 1158 } 1159 1160 if (!foundCellSpan) { 1161 showOutOfSpaceMessage(isHotseatLayout(layout)); 1162 return; 1163 } 1164 1165 LauncherModel.addItemToDatabase(this, info, container, screen, cellXY[0], cellXY[1], false); 1166 1167 if (!mRestoring) { 1168 mWorkspace.addInScreen(view, container, screen, cellXY[0], cellXY[1], 1, 1, 1169 isWorkspaceLocked()); 1170 } 1171 } 1172 1173 static int[] getSpanForWidget(Context context, ComponentName component, int minWidth, 1174 int minHeight) { 1175 Rect padding = AppWidgetHostView.getDefaultPaddingForWidget(context, component, null); 1176 // We want to account for the extra amount of padding that we are adding to the widget 1177 // to ensure that it gets the full amount of space that it has requested 1178 int requiredWidth = minWidth + padding.left + padding.right; 1179 int requiredHeight = minHeight + padding.top + padding.bottom; 1180 return CellLayout.rectToCell(context.getResources(), requiredWidth, requiredHeight, null); 1181 } 1182 1183 static int[] getSpanForWidget(Context context, AppWidgetProviderInfo info) { 1184 return getSpanForWidget(context, info.provider, info.minWidth, info.minHeight); 1185 } 1186 1187 static int[] getMinSpanForWidget(Context context, AppWidgetProviderInfo info) { 1188 return getSpanForWidget(context, info.provider, info.minResizeWidth, info.minResizeHeight); 1189 } 1190 1191 static int[] getSpanForWidget(Context context, PendingAddWidgetInfo info) { 1192 return getSpanForWidget(context, info.componentName, info.minWidth, info.minHeight); 1193 } 1194 1195 static int[] getMinSpanForWidget(Context context, PendingAddWidgetInfo info) { 1196 return getSpanForWidget(context, info.componentName, info.minResizeWidth, 1197 info.minResizeHeight); 1198 } 1199 1200 /** 1201 * Add a widget to the workspace. 1202 * 1203 * @param appWidgetId The app widget id 1204 * @param cellInfo The position on screen where to create the widget. 1205 */ 1206 private void completeAddAppWidget(final int appWidgetId, long container, int screen, 1207 AppWidgetHostView hostView, AppWidgetProviderInfo appWidgetInfo) { 1208 if (appWidgetInfo == null) { 1209 appWidgetInfo = mAppWidgetManager.getAppWidgetInfo(appWidgetId); 1210 } 1211 1212 // Calculate the grid spans needed to fit this widget 1213 CellLayout layout = getCellLayout(container, screen); 1214 1215 int[] minSpanXY = getMinSpanForWidget(this, appWidgetInfo); 1216 int[] spanXY = getSpanForWidget(this, appWidgetInfo); 1217 1218 // Try finding open space on Launcher screen 1219 // We have saved the position to which the widget was dragged-- this really only matters 1220 // if we are placing widgets on a "spring-loaded" screen 1221 int[] cellXY = mTmpAddItemCellCoordinates; 1222 int[] touchXY = mPendingAddInfo.dropPos; 1223 int[] finalSpan = new int[2]; 1224 boolean foundCellSpan = false; 1225 if (mPendingAddInfo.cellX >= 0 && mPendingAddInfo.cellY >= 0) { 1226 cellXY[0] = mPendingAddInfo.cellX; 1227 cellXY[1] = mPendingAddInfo.cellY; 1228 spanXY[0] = mPendingAddInfo.spanX; 1229 spanXY[1] = mPendingAddInfo.spanY; 1230 foundCellSpan = true; 1231 } else if (touchXY != null) { 1232 // when dragging and dropping, just find the closest free spot 1233 int[] result = layout.findNearestVacantArea( 1234 touchXY[0], touchXY[1], minSpanXY[0], minSpanXY[1], spanXY[0], 1235 spanXY[1], cellXY, finalSpan); 1236 spanXY[0] = finalSpan[0]; 1237 spanXY[1] = finalSpan[1]; 1238 foundCellSpan = (result != null); 1239 } else { 1240 foundCellSpan = layout.findCellForSpan(cellXY, minSpanXY[0], minSpanXY[1]); 1241 } 1242 1243 if (!foundCellSpan) { 1244 if (appWidgetId != -1) { 1245 // Deleting an app widget ID is a void call but writes to disk before returning 1246 // to the caller... 1247 new Thread("deleteAppWidgetId") { 1248 public void run() { 1249 mAppWidgetHost.deleteAppWidgetId(appWidgetId); 1250 } 1251 }.start(); 1252 } 1253 showOutOfSpaceMessage(isHotseatLayout(layout)); 1254 return; 1255 } 1256 1257 // Build Launcher-specific widget info and save to database 1258 LauncherAppWidgetInfo launcherInfo = new LauncherAppWidgetInfo(appWidgetId, 1259 appWidgetInfo.provider); 1260 launcherInfo.spanX = spanXY[0]; 1261 launcherInfo.spanY = spanXY[1]; 1262 launcherInfo.minSpanX = mPendingAddInfo.minSpanX; 1263 launcherInfo.minSpanY = mPendingAddInfo.minSpanY; 1264 1265 LauncherModel.addItemToDatabase(this, launcherInfo, 1266 container, screen, cellXY[0], cellXY[1], false); 1267 1268 if (!mRestoring) { 1269 if (hostView == null) { 1270 // Perform actual inflation because we're live 1271 launcherInfo.hostView = mAppWidgetHost.createView(this, appWidgetId, appWidgetInfo); 1272 launcherInfo.hostView.setAppWidget(appWidgetId, appWidgetInfo); 1273 } else { 1274 // The AppWidgetHostView has already been inflated and instantiated 1275 launcherInfo.hostView = hostView; 1276 } 1277 1278 launcherInfo.hostView.setTag(launcherInfo); 1279 launcherInfo.hostView.setVisibility(View.VISIBLE); 1280 launcherInfo.notifyWidgetSizeChanged(this); 1281 1282 mWorkspace.addInScreen(launcherInfo.hostView, container, screen, cellXY[0], cellXY[1], 1283 launcherInfo.spanX, launcherInfo.spanY, isWorkspaceLocked()); 1284 1285 addWidgetToAutoAdvanceIfNeeded(launcherInfo.hostView, appWidgetInfo); 1286 } 1287 resetAddInfo(); 1288 } 1289 1290 private final BroadcastReceiver mReceiver = new BroadcastReceiver() { 1291 @Override 1292 public void onReceive(Context context, Intent intent) { 1293 final String action = intent.getAction(); 1294 if (Intent.ACTION_SCREEN_OFF.equals(action)) { 1295 mUserPresent = false; 1296 mDragLayer.clearAllResizeFrames(); 1297 updateRunning(); 1298 1299 // Reset AllApps to its initial state only if we are not in the middle of 1300 // processing a multi-step drop 1301 if (mAppsCustomizeTabHost != null && mPendingAddInfo.container == ItemInfo.NO_ID) { 1302 mAppsCustomizeTabHost.reset(); 1303 showWorkspace(false); 1304 } 1305 } else if (Intent.ACTION_USER_PRESENT.equals(action)) { 1306 mUserPresent = true; 1307 updateRunning(); 1308 } 1309 } 1310 }; 1311 1312 @Override 1313 public void onAttachedToWindow() { 1314 super.onAttachedToWindow(); 1315 1316 // Listen for broadcasts related to user-presence 1317 final IntentFilter filter = new IntentFilter(); 1318 filter.addAction(Intent.ACTION_SCREEN_OFF); 1319 filter.addAction(Intent.ACTION_USER_PRESENT); 1320 registerReceiver(mReceiver, filter); 1321 FirstFrameAnimatorHelper.initializeDrawListener(getWindow().getDecorView()); 1322 mAttached = true; 1323 mVisible = true; 1324 } 1325 1326 @Override 1327 public void onDetachedFromWindow() { 1328 super.onDetachedFromWindow(); 1329 mVisible = false; 1330 1331 if (mAttached) { 1332 unregisterReceiver(mReceiver); 1333 mAttached = false; 1334 } 1335 updateRunning(); 1336 } 1337 1338 public void onWindowVisibilityChanged(int visibility) { 1339 mVisible = visibility == View.VISIBLE; 1340 updateRunning(); 1341 // The following code used to be in onResume, but it turns out onResume is called when 1342 // you're in All Apps and click home to go to the workspace. onWindowVisibilityChanged 1343 // is a more appropriate event to handle 1344 if (mVisible) { 1345 mAppsCustomizeTabHost.onWindowVisible(); 1346 if (!mWorkspaceLoading) { 1347 final ViewTreeObserver observer = mWorkspace.getViewTreeObserver(); 1348 // We want to let Launcher draw itself at least once before we force it to build 1349 // layers on all the workspace pages, so that transitioning to Launcher from other 1350 // apps is nice and speedy. 1351 observer.addOnDrawListener(new ViewTreeObserver.OnDrawListener() { 1352 private boolean mStarted = false; 1353 public void onDraw() { 1354 if (mStarted) return; 1355 mStarted = true; 1356 // We delay the layer building a bit in order to give 1357 // other message processing a time to run. In particular 1358 // this avoids a delay in hiding the IME if it was 1359 // currently shown, because doing that may involve 1360 // some communication back with the app. 1361 mWorkspace.postDelayed(mBuildLayersRunnable, 500); 1362 final ViewTreeObserver.OnDrawListener listener = this; 1363 mWorkspace.post(new Runnable() { 1364 public void run() { 1365 if (mWorkspace != null && 1366 mWorkspace.getViewTreeObserver() != null) { 1367 mWorkspace.getViewTreeObserver(). 1368 removeOnDrawListener(listener); 1369 } 1370 } 1371 }); 1372 return; 1373 } 1374 }); 1375 } 1376 // When Launcher comes back to foreground, a different Activity might be responsible for 1377 // the app market intent, so refresh the icon 1378 updateAppMarketIcon(); 1379 clearTypedText(); 1380 } 1381 } 1382 1383 private void sendAdvanceMessage(long delay) { 1384 mHandler.removeMessages(ADVANCE_MSG); 1385 Message msg = mHandler.obtainMessage(ADVANCE_MSG); 1386 mHandler.sendMessageDelayed(msg, delay); 1387 mAutoAdvanceSentTime = System.currentTimeMillis(); 1388 } 1389 1390 private void updateRunning() { 1391 boolean autoAdvanceRunning = mVisible && mUserPresent && !mWidgetsToAdvance.isEmpty(); 1392 if (autoAdvanceRunning != mAutoAdvanceRunning) { 1393 mAutoAdvanceRunning = autoAdvanceRunning; 1394 if (autoAdvanceRunning) { 1395 long delay = mAutoAdvanceTimeLeft == -1 ? mAdvanceInterval : mAutoAdvanceTimeLeft; 1396 sendAdvanceMessage(delay); 1397 } else { 1398 if (!mWidgetsToAdvance.isEmpty()) { 1399 mAutoAdvanceTimeLeft = Math.max(0, mAdvanceInterval - 1400 (System.currentTimeMillis() - mAutoAdvanceSentTime)); 1401 } 1402 mHandler.removeMessages(ADVANCE_MSG); 1403 mHandler.removeMessages(0); // Remove messages sent using postDelayed() 1404 } 1405 } 1406 } 1407 1408 private final Handler mHandler = new Handler() { 1409 @Override 1410 public void handleMessage(Message msg) { 1411 if (msg.what == ADVANCE_MSG) { 1412 int i = 0; 1413 for (View key: mWidgetsToAdvance.keySet()) { 1414 final View v = key.findViewById(mWidgetsToAdvance.get(key).autoAdvanceViewId); 1415 final int delay = mAdvanceStagger * i; 1416 if (v instanceof Advanceable) { 1417 postDelayed(new Runnable() { 1418 public void run() { 1419 ((Advanceable) v).advance(); 1420 } 1421 }, delay); 1422 } 1423 i++; 1424 } 1425 sendAdvanceMessage(mAdvanceInterval); 1426 } 1427 } 1428 }; 1429 1430 void addWidgetToAutoAdvanceIfNeeded(View hostView, AppWidgetProviderInfo appWidgetInfo) { 1431 if (appWidgetInfo == null || appWidgetInfo.autoAdvanceViewId == -1) return; 1432 View v = hostView.findViewById(appWidgetInfo.autoAdvanceViewId); 1433 if (v instanceof Advanceable) { 1434 mWidgetsToAdvance.put(hostView, appWidgetInfo); 1435 ((Advanceable) v).fyiWillBeAdvancedByHostKThx(); 1436 updateRunning(); 1437 } 1438 } 1439 1440 void removeWidgetToAutoAdvance(View hostView) { 1441 if (mWidgetsToAdvance.containsKey(hostView)) { 1442 mWidgetsToAdvance.remove(hostView); 1443 updateRunning(); 1444 } 1445 } 1446 1447 public void removeAppWidget(LauncherAppWidgetInfo launcherInfo) { 1448 removeWidgetToAutoAdvance(launcherInfo.hostView); 1449 launcherInfo.hostView = null; 1450 } 1451 1452 void showOutOfSpaceMessage(boolean isHotseatLayout) { 1453 int strId = (isHotseatLayout ? R.string.hotseat_out_of_space : R.string.out_of_space); 1454 Toast.makeText(this, getString(strId), Toast.LENGTH_SHORT).show(); 1455 } 1456 1457 public LauncherAppWidgetHost getAppWidgetHost() { 1458 return mAppWidgetHost; 1459 } 1460 1461 public LauncherModel getModel() { 1462 return mModel; 1463 } 1464 1465 public void closeSystemDialogs() { 1466 getWindow().closeAllPanels(); 1467 1468 // Whatever we were doing is hereby canceled. 1469 mWaitingForResult = false; 1470 } 1471 1472 @Override 1473 protected void onNewIntent(Intent intent) { 1474 long startTime = 0; 1475 if (DEBUG_RESUME_TIME) { 1476 startTime = System.currentTimeMillis(); 1477 } 1478 super.onNewIntent(intent); 1479 1480 // Close the menu 1481 if (Intent.ACTION_MAIN.equals(intent.getAction())) { 1482 // also will cancel mWaitingForResult. 1483 closeSystemDialogs(); 1484 1485 final boolean alreadyOnHome = 1486 ((intent.getFlags() & Intent.FLAG_ACTIVITY_BROUGHT_TO_FRONT) 1487 != Intent.FLAG_ACTIVITY_BROUGHT_TO_FRONT); 1488 1489 Runnable processIntent = new Runnable() { 1490 public void run() { 1491 if (mWorkspace == null) { 1492 // Can be cases where mWorkspace is null, this prevents a NPE 1493 return; 1494 } 1495 Folder openFolder = mWorkspace.getOpenFolder(); 1496 // In all these cases, only animate if we're already on home 1497 mWorkspace.exitWidgetResizeMode(); 1498 if (alreadyOnHome && mState == State.WORKSPACE && !mWorkspace.isTouchActive() && 1499 openFolder == null) { 1500 mWorkspace.moveToDefaultScreen(true); 1501 } 1502 1503 closeFolder(); 1504 exitSpringLoadedDragMode(); 1505 1506 // If we are already on home, then just animate back to the workspace, 1507 // otherwise, just wait until onResume to set the state back to Workspace 1508 if (alreadyOnHome) { 1509 showWorkspace(true); 1510 } else { 1511 mOnResumeState = State.WORKSPACE; 1512 } 1513 1514 final View v = getWindow().peekDecorView(); 1515 if (v != null && v.getWindowToken() != null) { 1516 InputMethodManager imm = (InputMethodManager)getSystemService( 1517 INPUT_METHOD_SERVICE); 1518 imm.hideSoftInputFromWindow(v.getWindowToken(), 0); 1519 } 1520 1521 // Reset AllApps to its initial state 1522 if (!alreadyOnHome && mAppsCustomizeTabHost != null) { 1523 mAppsCustomizeTabHost.reset(); 1524 } 1525 } 1526 }; 1527 1528 if (alreadyOnHome && !mWorkspace.hasWindowFocus()) { 1529 // Delay processing of the intent to allow the status bar animation to finish 1530 // first in order to avoid janky animations. 1531 mWorkspace.postDelayed(processIntent, 350); 1532 } else { 1533 // Process the intent immediately. 1534 processIntent.run(); 1535 } 1536 1537 } 1538 if (DEBUG_RESUME_TIME) { 1539 Log.d(TAG, "Time spent in onNewIntent: " + (System.currentTimeMillis() - startTime)); 1540 } 1541 } 1542 1543 @Override 1544 public void onRestoreInstanceState(Bundle state) { 1545 super.onRestoreInstanceState(state); 1546 for (int page: mSynchronouslyBoundPages) { 1547 mWorkspace.restoreInstanceStateForChild(page); 1548 } 1549 } 1550 1551 @Override 1552 protected void onSaveInstanceState(Bundle outState) { 1553 outState.putInt(RUNTIME_STATE_CURRENT_SCREEN, mWorkspace.getNextPage()); 1554 super.onSaveInstanceState(outState); 1555 1556 outState.putInt(RUNTIME_STATE, mState.ordinal()); 1557 // We close any open folder since it will not be re-opened, and we need to make sure 1558 // this state is reflected. 1559 closeFolder(); 1560 1561 if (mPendingAddInfo.container != ItemInfo.NO_ID && mPendingAddInfo.screen > -1 && 1562 mWaitingForResult) { 1563 outState.putLong(RUNTIME_STATE_PENDING_ADD_CONTAINER, mPendingAddInfo.container); 1564 outState.putInt(RUNTIME_STATE_PENDING_ADD_SCREEN, mPendingAddInfo.screen); 1565 outState.putInt(RUNTIME_STATE_PENDING_ADD_CELL_X, mPendingAddInfo.cellX); 1566 outState.putInt(RUNTIME_STATE_PENDING_ADD_CELL_Y, mPendingAddInfo.cellY); 1567 outState.putInt(RUNTIME_STATE_PENDING_ADD_SPAN_X, mPendingAddInfo.spanX); 1568 outState.putInt(RUNTIME_STATE_PENDING_ADD_SPAN_Y, mPendingAddInfo.spanY); 1569 outState.putParcelable(RUNTIME_STATE_PENDING_ADD_WIDGET_INFO, mPendingAddWidgetInfo); 1570 } 1571 1572 if (mFolderInfo != null && mWaitingForResult) { 1573 outState.putBoolean(RUNTIME_STATE_PENDING_FOLDER_RENAME, true); 1574 outState.putLong(RUNTIME_STATE_PENDING_FOLDER_RENAME_ID, mFolderInfo.id); 1575 } 1576 1577 // Save the current AppsCustomize tab 1578 if (mAppsCustomizeTabHost != null) { 1579 String currentTabTag = mAppsCustomizeTabHost.getCurrentTabTag(); 1580 if (currentTabTag != null) { 1581 outState.putString("apps_customize_currentTab", currentTabTag); 1582 } 1583 int currentIndex = mAppsCustomizeContent.getSaveInstanceStateIndex(); 1584 outState.putInt("apps_customize_currentIndex", currentIndex); 1585 } 1586 } 1587 1588 @Override 1589 public void onDestroy() { 1590 super.onDestroy(); 1591 1592 // Remove all pending runnables 1593 mHandler.removeMessages(ADVANCE_MSG); 1594 mHandler.removeMessages(0); 1595 mWorkspace.removeCallbacks(mBuildLayersRunnable); 1596 1597 // Stop callbacks from LauncherModel 1598 LauncherAppState app = (LauncherAppState.getInstance()); 1599 mModel.stopLoader(); 1600 app.setLauncher(null); 1601 1602 try { 1603 mAppWidgetHost.stopListening(); 1604 } catch (NullPointerException ex) { 1605 Log.w(TAG, "problem while stopping AppWidgetHost during Launcher destruction", ex); 1606 } 1607 mAppWidgetHost = null; 1608 1609 mWidgetsToAdvance.clear(); 1610 1611 TextKeyListener.getInstance().release(); 1612 1613 // Disconnect any of the callbacks and drawables associated with ItemInfos on the workspace 1614 // to prevent leaking Launcher activities on orientation change. 1615 if (mModel != null) { 1616 mModel.unbindItemInfosAndClearQueuedBindRunnables(); 1617 } 1618 1619 getContentResolver().unregisterContentObserver(mWidgetObserver); 1620 unregisterReceiver(mCloseSystemDialogsReceiver); 1621 1622 mDragLayer.clearAllResizeFrames(); 1623 ((ViewGroup) mWorkspace.getParent()).removeAllViews(); 1624 mWorkspace.removeAllViews(); 1625 mWorkspace = null; 1626 mDragController = null; 1627 1628 LauncherAnimUtils.onDestroyActivity(); 1629 } 1630 1631 public DragController getDragController() { 1632 return mDragController; 1633 } 1634 1635 @Override 1636 public void startActivityForResult(Intent intent, int requestCode) { 1637 if (requestCode >= 0) mWaitingForResult = true; 1638 super.startActivityForResult(intent, requestCode); 1639 } 1640 1641 /** 1642 * Indicates that we want global search for this activity by setting the globalSearch 1643 * argument for {@link #startSearch} to true. 1644 */ 1645 @Override 1646 public void startSearch(String initialQuery, boolean selectInitialQuery, 1647 Bundle appSearchData, boolean globalSearch) { 1648 1649 showWorkspace(true); 1650 1651 if (initialQuery == null) { 1652 // Use any text typed in the launcher as the initial query 1653 initialQuery = getTypedText(); 1654 } 1655 if (appSearchData == null) { 1656 appSearchData = new Bundle(); 1657 appSearchData.putString("source", "launcher-search"); 1658 } 1659 Rect sourceBounds = new Rect(); 1660 if (mSearchDropTargetBar != null) { 1661 sourceBounds = mSearchDropTargetBar.getSearchBarBounds(); 1662 } 1663 1664 startSearch(initialQuery, selectInitialQuery, 1665 appSearchData, sourceBounds); 1666 } 1667 1668 public void startSearch(String initialQuery, 1669 boolean selectInitialQuery, Bundle appSearchData, Rect sourceBounds) { 1670 startGlobalSearch(initialQuery, selectInitialQuery, 1671 appSearchData, sourceBounds); 1672 } 1673 1674 /** 1675 * Starts the global search activity. This code is a copied from SearchManager 1676 */ 1677 private void startGlobalSearch(String initialQuery, 1678 boolean selectInitialQuery, Bundle appSearchData, Rect sourceBounds) { 1679 final SearchManager searchManager = 1680 (SearchManager) getSystemService(Context.SEARCH_SERVICE); 1681 ComponentName globalSearchActivity = searchManager.getGlobalSearchActivity(); 1682 if (globalSearchActivity == null) { 1683 Log.w(TAG, "No global search activity found."); 1684 return; 1685 } 1686 Intent intent = new Intent(SearchManager.INTENT_ACTION_GLOBAL_SEARCH); 1687 intent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK); 1688 intent.setComponent(globalSearchActivity); 1689 // Make sure that we have a Bundle to put source in 1690 if (appSearchData == null) { 1691 appSearchData = new Bundle(); 1692 } else { 1693 appSearchData = new Bundle(appSearchData); 1694 } 1695 // Set source to package name of app that starts global search, if not set already. 1696 if (!appSearchData.containsKey("source")) { 1697 appSearchData.putString("source", getPackageName()); 1698 } 1699 intent.putExtra(SearchManager.APP_DATA, appSearchData); 1700 if (!TextUtils.isEmpty(initialQuery)) { 1701 intent.putExtra(SearchManager.QUERY, initialQuery); 1702 } 1703 if (selectInitialQuery) { 1704 intent.putExtra(SearchManager.EXTRA_SELECT_QUERY, selectInitialQuery); 1705 } 1706 intent.setSourceBounds(sourceBounds); 1707 try { 1708 startActivity(intent); 1709 } catch (ActivityNotFoundException ex) { 1710 Log.e(TAG, "Global search activity not found: " + globalSearchActivity); 1711 } 1712 } 1713 1714 @Override 1715 public boolean onCreateOptionsMenu(Menu menu) { 1716 if (isWorkspaceLocked()) { 1717 return false; 1718 } 1719 1720 super.onCreateOptionsMenu(menu); 1721 1722 Intent manageApps = new Intent(Settings.ACTION_MANAGE_ALL_APPLICATIONS_SETTINGS); 1723 manageApps.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK 1724 | Intent.FLAG_ACTIVITY_EXCLUDE_FROM_RECENTS); 1725 Intent settings = new Intent(android.provider.Settings.ACTION_SETTINGS); 1726 settings.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK 1727 | Intent.FLAG_ACTIVITY_RESET_TASK_IF_NEEDED); 1728 String helpUrl = getString(R.string.help_url); 1729 Intent help = new Intent(Intent.ACTION_VIEW, Uri.parse(helpUrl)); 1730 help.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK 1731 | Intent.FLAG_ACTIVITY_EXCLUDE_FROM_RECENTS); 1732 1733 menu.add(MENU_GROUP_WALLPAPER, MENU_WALLPAPER_SETTINGS, 0, R.string.menu_wallpaper) 1734 .setIcon(android.R.drawable.ic_menu_gallery) 1735 .setAlphabeticShortcut('W'); 1736 menu.add(0, MENU_MANAGE_APPS, 0, R.string.menu_manage_apps) 1737 .setIcon(android.R.drawable.ic_menu_manage) 1738 .setIntent(manageApps) 1739 .setAlphabeticShortcut('M'); 1740 menu.add(0, MENU_SYSTEM_SETTINGS, 0, R.string.menu_settings) 1741 .setIcon(android.R.drawable.ic_menu_preferences) 1742 .setIntent(settings) 1743 .setAlphabeticShortcut('P'); 1744 if (!helpUrl.isEmpty()) { 1745 menu.add(0, MENU_HELP, 0, R.string.menu_help) 1746 .setIcon(android.R.drawable.ic_menu_help) 1747 .setIntent(help) 1748 .setAlphabeticShortcut('H'); 1749 } 1750 return true; 1751 } 1752 1753 @Override 1754 public boolean onPrepareOptionsMenu(Menu menu) { 1755 super.onPrepareOptionsMenu(menu); 1756 1757 if (mAppsCustomizeTabHost.isTransitioning()) { 1758 return false; 1759 } 1760 boolean allAppsVisible = (mAppsCustomizeTabHost.getVisibility() == View.VISIBLE); 1761 menu.setGroupVisible(MENU_GROUP_WALLPAPER, !allAppsVisible); 1762 1763 return true; 1764 } 1765 1766 @Override 1767 public boolean onOptionsItemSelected(MenuItem item) { 1768 switch (item.getItemId()) { 1769 case MENU_WALLPAPER_SETTINGS: 1770 startWallpaper(); 1771 return true; 1772 } 1773 1774 return super.onOptionsItemSelected(item); 1775 } 1776 1777 @Override 1778 public boolean onSearchRequested() { 1779 startSearch(null, false, null, true); 1780 // Use a custom animation for launching search 1781 return true; 1782 } 1783 1784 public boolean isWorkspaceLocked() { 1785 return mWorkspaceLoading || mWaitingForResult; 1786 } 1787 1788 private void resetAddInfo() { 1789 mPendingAddInfo.container = ItemInfo.NO_ID; 1790 mPendingAddInfo.screen = -1; 1791 mPendingAddInfo.cellX = mPendingAddInfo.cellY = -1; 1792 mPendingAddInfo.spanX = mPendingAddInfo.spanY = -1; 1793 mPendingAddInfo.minSpanX = mPendingAddInfo.minSpanY = -1; 1794 mPendingAddInfo.dropPos = null; 1795 } 1796 1797 void addAppWidgetImpl(final int appWidgetId, ItemInfo info, AppWidgetHostView boundWidget, 1798 AppWidgetProviderInfo appWidgetInfo) { 1799 if (appWidgetInfo.configure != null) { 1800 mPendingAddWidgetInfo = appWidgetInfo; 1801 1802 // Launch over to configure widget, if needed 1803 Intent intent = new Intent(AppWidgetManager.ACTION_APPWIDGET_CONFIGURE); 1804 intent.setComponent(appWidgetInfo.configure); 1805 intent.putExtra(AppWidgetManager.EXTRA_APPWIDGET_ID, appWidgetId); 1806 startActivityForResultSafely(intent, REQUEST_CREATE_APPWIDGET); 1807 } else { 1808 // Otherwise just add it 1809 completeAddAppWidget(appWidgetId, info.container, info.screen, boundWidget, 1810 appWidgetInfo); 1811 // Exit spring loaded mode if necessary after adding the widget 1812 exitSpringLoadedDragModeDelayed(true, false, null); 1813 } 1814 } 1815 1816 /** 1817 * Process a shortcut drop. 1818 * 1819 * @param componentName The name of the component 1820 * @param screen The screen where it should be added 1821 * @param cell The cell it should be added to, optional 1822 * @param position The location on the screen where it was dropped, optional 1823 */ 1824 void processShortcutFromDrop(ComponentName componentName, long container, int screen, 1825 int[] cell, int[] loc) { 1826 resetAddInfo(); 1827 mPendingAddInfo.container = container; 1828 mPendingAddInfo.screen = screen; 1829 mPendingAddInfo.dropPos = loc; 1830 1831 if (cell != null) { 1832 mPendingAddInfo.cellX = cell[0]; 1833 mPendingAddInfo.cellY = cell[1]; 1834 } 1835 1836 Intent createShortcutIntent = new Intent(Intent.ACTION_CREATE_SHORTCUT); 1837 createShortcutIntent.setComponent(componentName); 1838 processShortcut(createShortcutIntent); 1839 } 1840 1841 /** 1842 * Process a widget drop. 1843 * 1844 * @param info The PendingAppWidgetInfo of the widget being added. 1845 * @param screen The screen where it should be added 1846 * @param cell The cell it should be added to, optional 1847 * @param position The location on the screen where it was dropped, optional 1848 */ 1849 void addAppWidgetFromDrop(PendingAddWidgetInfo info, long container, int screen, 1850 int[] cell, int[] span, int[] loc) { 1851 resetAddInfo(); 1852 mPendingAddInfo.container = info.container = container; 1853 mPendingAddInfo.screen = info.screen = screen; 1854 mPendingAddInfo.dropPos = loc; 1855 mPendingAddInfo.minSpanX = info.minSpanX; 1856 mPendingAddInfo.minSpanY = info.minSpanY; 1857 1858 if (cell != null) { 1859 mPendingAddInfo.cellX = cell[0]; 1860 mPendingAddInfo.cellY = cell[1]; 1861 } 1862 if (span != null) { 1863 mPendingAddInfo.spanX = span[0]; 1864 mPendingAddInfo.spanY = span[1]; 1865 } 1866 1867 AppWidgetHostView hostView = info.boundWidget; 1868 int appWidgetId; 1869 if (hostView != null) { 1870 appWidgetId = hostView.getAppWidgetId(); 1871 addAppWidgetImpl(appWidgetId, info, hostView, info.info); 1872 } else { 1873 // In this case, we either need to start an activity to get permission to bind 1874 // the widget, or we need to start an activity to configure the widget, or both. 1875 appWidgetId = getAppWidgetHost().allocateAppWidgetId(); 1876 Bundle options = info.bindOptions; 1877 1878 boolean success = false; 1879 if (options != null) { 1880 success = mAppWidgetManager.bindAppWidgetIdIfAllowed(appWidgetId, 1881 info.componentName, options); 1882 } else { 1883 success = mAppWidgetManager.bindAppWidgetIdIfAllowed(appWidgetId, 1884 info.componentName); 1885 } 1886 if (success) { 1887 addAppWidgetImpl(appWidgetId, info, null, info.info); 1888 } else { 1889 mPendingAddWidgetInfo = info.info; 1890 Intent intent = new Intent(AppWidgetManager.ACTION_APPWIDGET_BIND); 1891 intent.putExtra(AppWidgetManager.EXTRA_APPWIDGET_ID, appWidgetId); 1892 intent.putExtra(AppWidgetManager.EXTRA_APPWIDGET_PROVIDER, info.componentName); 1893 // TODO: we need to make sure that this accounts for the options bundle. 1894 // intent.putExtra(AppWidgetManager.EXTRA_APPWIDGET_OPTIONS, options); 1895 startActivityForResult(intent, REQUEST_BIND_APPWIDGET); 1896 } 1897 } 1898 } 1899 1900 void processShortcut(Intent intent) { 1901 // Handle case where user selected "Applications" 1902 String applicationName = getResources().getString(R.string.group_applications); 1903 String shortcutName = intent.getStringExtra(Intent.EXTRA_SHORTCUT_NAME); 1904 1905 if (applicationName != null && applicationName.equals(shortcutName)) { 1906 Intent mainIntent = new Intent(Intent.ACTION_MAIN, null); 1907 mainIntent.addCategory(Intent.CATEGORY_LAUNCHER); 1908 1909 Intent pickIntent = new Intent(Intent.ACTION_PICK_ACTIVITY); 1910 pickIntent.putExtra(Intent.EXTRA_INTENT, mainIntent); 1911 pickIntent.putExtra(Intent.EXTRA_TITLE, getText(R.string.title_select_application)); 1912 startActivityForResultSafely(pickIntent, REQUEST_PICK_APPLICATION); 1913 } else { 1914 startActivityForResultSafely(intent, REQUEST_CREATE_SHORTCUT); 1915 } 1916 } 1917 1918 void processWallpaper(Intent intent) { 1919 startActivityForResult(intent, REQUEST_PICK_WALLPAPER); 1920 } 1921 1922 FolderIcon addFolder(CellLayout layout, long container, final int screen, int cellX, 1923 int cellY) { 1924 final FolderInfo folderInfo = new FolderInfo(); 1925 folderInfo.title = getText(R.string.folder_name); 1926 1927 // Update the model 1928 LauncherModel.addItemToDatabase(Launcher.this, folderInfo, container, screen, cellX, cellY, 1929 false); 1930 sFolders.put(folderInfo.id, folderInfo); 1931 1932 // Create the view 1933 FolderIcon newFolder = 1934 FolderIcon.fromXml(R.layout.folder_icon, this, layout, folderInfo, mIconCache); 1935 mWorkspace.addInScreen(newFolder, container, screen, cellX, cellY, 1, 1, 1936 isWorkspaceLocked()); 1937 return newFolder; 1938 } 1939 1940 void removeFolder(FolderInfo folder) { 1941 sFolders.remove(folder.id); 1942 } 1943 1944 private void startWallpaper() { 1945 showWorkspace(true); 1946 final Intent pickWallpaper = new Intent(Intent.ACTION_SET_WALLPAPER); 1947 Intent chooser = Intent.createChooser(pickWallpaper, 1948 getText(R.string.chooser_wallpaper)); 1949 // NOTE: Adds a configure option to the chooser if the wallpaper supports it 1950 // Removed in Eclair MR1 1951// WallpaperManager wm = (WallpaperManager) 1952// getSystemService(Context.WALLPAPER_SERVICE); 1953// WallpaperInfo wi = wm.getWallpaperInfo(); 1954// if (wi != null && wi.getSettingsActivity() != null) { 1955// LabeledIntent li = new LabeledIntent(getPackageName(), 1956// R.string.configure_wallpaper, 0); 1957// li.setClassName(wi.getPackageName(), wi.getSettingsActivity()); 1958// chooser.putExtra(Intent.EXTRA_INITIAL_INTENTS, new Intent[] { li }); 1959// } 1960 startActivityForResult(chooser, REQUEST_PICK_WALLPAPER); 1961 } 1962 1963 /** 1964 * Registers various content observers. The current implementation registers 1965 * only a favorites observer to keep track of the favorites applications. 1966 */ 1967 private void registerContentObservers() { 1968 ContentResolver resolver = getContentResolver(); 1969 resolver.registerContentObserver(LauncherProvider.CONTENT_APPWIDGET_RESET_URI, 1970 true, mWidgetObserver); 1971 } 1972 1973 @Override 1974 public boolean dispatchKeyEvent(KeyEvent event) { 1975 if (event.getAction() == KeyEvent.ACTION_DOWN) { 1976 switch (event.getKeyCode()) { 1977 case KeyEvent.KEYCODE_HOME: 1978 return true; 1979 case KeyEvent.KEYCODE_VOLUME_DOWN: 1980 if (isPropertyEnabled(DUMP_STATE_PROPERTY)) { 1981 dumpState(); 1982 return true; 1983 } 1984 break; 1985 } 1986 } else if (event.getAction() == KeyEvent.ACTION_UP) { 1987 switch (event.getKeyCode()) { 1988 case KeyEvent.KEYCODE_HOME: 1989 return true; 1990 } 1991 } 1992 1993 return super.dispatchKeyEvent(event); 1994 } 1995 1996 @Override 1997 public void onBackPressed() { 1998 if (isAllAppsVisible()) { 1999 showWorkspace(true); 2000 } else if (mWorkspace.getOpenFolder() != null) { 2001 Folder openFolder = mWorkspace.getOpenFolder(); 2002 if (openFolder.isEditingName()) { 2003 openFolder.dismissEditingName(); 2004 } else { 2005 closeFolder(); 2006 } 2007 } else { 2008 mWorkspace.exitWidgetResizeMode(); 2009 2010 // Back button is a no-op here, but give at least some feedback for the button press 2011 mWorkspace.showOutlinesTemporarily(); 2012 } 2013 } 2014 2015 /** 2016 * Re-listen when widgets are reset. 2017 */ 2018 private void onAppWidgetReset() { 2019 if (mAppWidgetHost != null) { 2020 mAppWidgetHost.startListening(); 2021 } 2022 } 2023 2024 /** 2025 * Launches the intent referred by the clicked shortcut. 2026 * 2027 * @param v The view representing the clicked shortcut. 2028 */ 2029 public void onClick(View v) { 2030 // Make sure that rogue clicks don't get through while allapps is launching, or after the 2031 // view has detached (it's possible for this to happen if the view is removed mid touch). 2032 if (v.getWindowToken() == null) { 2033 return; 2034 } 2035 2036 if (!mWorkspace.isFinishedSwitchingState()) { 2037 return; 2038 } 2039 2040 Object tag = v.getTag(); 2041 if (tag instanceof ShortcutInfo) { 2042 // Open shortcut 2043 final Intent intent = ((ShortcutInfo) tag).intent; 2044 2045 ComponentName widgetComp = new ComponentName(this, WidgetAdder.class); 2046 if (intent.getComponent() != null && 2047 intent.getComponent().getClassName().equals(widgetComp.getClassName())) { 2048 showAllApps(true); 2049 return; 2050 } 2051 int[] pos = new int[2]; 2052 v.getLocationOnScreen(pos); 2053 intent.setSourceBounds(new Rect(pos[0], pos[1], 2054 pos[0] + v.getWidth(), pos[1] + v.getHeight())); 2055 2056 boolean success = startActivitySafely(v, intent, tag); 2057 2058 if (success && v instanceof BubbleTextView) { 2059 mWaitingForResume = (BubbleTextView) v; 2060 mWaitingForResume.setStayPressed(true); 2061 } 2062 } else if (tag instanceof FolderInfo) { 2063 if (v instanceof FolderIcon) { 2064 FolderIcon fi = (FolderIcon) v; 2065 handleFolderClick(fi); 2066 } 2067 } else if (v == mAllAppsButton) { 2068 if (isAllAppsVisible()) { 2069 showWorkspace(true); 2070 } else { 2071 onClickAllAppsButton(v); 2072 } 2073 } 2074 } 2075 2076 public boolean onTouch(View v, MotionEvent event) { 2077 // this is an intercepted event being forwarded from mWorkspace; 2078 // clicking anywhere on the workspace causes the customization drawer to slide down 2079 if (event.getAction() == MotionEvent.ACTION_DOWN) { 2080 showWorkspace(true); 2081 } 2082 return false; 2083 } 2084 2085 /** 2086 * Event handler for the search button 2087 * 2088 * @param v The view that was clicked. 2089 */ 2090 public void onClickSearchButton(View v) { 2091 v.performHapticFeedback(HapticFeedbackConstants.VIRTUAL_KEY); 2092 2093 onSearchRequested(); 2094 } 2095 2096 /** 2097 * Event handler for the voice button 2098 * 2099 * @param v The view that was clicked. 2100 */ 2101 public void onClickVoiceButton(View v) { 2102 v.performHapticFeedback(HapticFeedbackConstants.VIRTUAL_KEY); 2103 2104 startVoice(); 2105 } 2106 2107 public void startVoice() { 2108 try { 2109 final SearchManager searchManager = 2110 (SearchManager) getSystemService(Context.SEARCH_SERVICE); 2111 ComponentName activityName = searchManager.getGlobalSearchActivity(); 2112 Intent intent = new Intent(RecognizerIntent.ACTION_WEB_SEARCH); 2113 intent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK); 2114 if (activityName != null) { 2115 intent.setPackage(activityName.getPackageName()); 2116 } 2117 startActivity(null, intent, "onClickVoiceButton"); 2118 } catch (ActivityNotFoundException e) { 2119 Intent intent = new Intent(RecognizerIntent.ACTION_WEB_SEARCH); 2120 intent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK); 2121 startActivitySafely(null, intent, "onClickVoiceButton"); 2122 } 2123 } 2124 2125 /** 2126 * Event handler for the "grid" button that appears on the home screen, which 2127 * enters all apps mode. 2128 * 2129 * @param v The view that was clicked. 2130 */ 2131 public void onClickAllAppsButton(View v) { 2132 showAllApps(true); 2133 } 2134 2135 public void onTouchDownAllAppsButton(View v) { 2136 // Provide the same haptic feedback that the system offers for virtual keys. 2137 v.performHapticFeedback(HapticFeedbackConstants.VIRTUAL_KEY); 2138 } 2139 2140 public void onClickAppMarketButton(View v) { 2141 if (mAppMarketIntent != null) { 2142 startActivitySafely(v, mAppMarketIntent, "app market"); 2143 } else { 2144 Log.e(TAG, "Invalid app market intent."); 2145 } 2146 } 2147 2148 void startApplicationDetailsActivity(ComponentName componentName) { 2149 String packageName = componentName.getPackageName(); 2150 Intent intent = new Intent(Settings.ACTION_APPLICATION_DETAILS_SETTINGS, 2151 Uri.fromParts("package", packageName, null)); 2152 intent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK | Intent.FLAG_ACTIVITY_EXCLUDE_FROM_RECENTS); 2153 startActivitySafely(null, intent, "startApplicationDetailsActivity"); 2154 } 2155 2156 void startApplicationUninstallActivity(ApplicationInfo appInfo) { 2157 if ((appInfo.flags & ApplicationInfo.DOWNLOADED_FLAG) == 0) { 2158 // System applications cannot be installed. For now, show a toast explaining that. 2159 // We may give them the option of disabling apps this way. 2160 int messageId = R.string.uninstall_system_app_text; 2161 Toast.makeText(this, messageId, Toast.LENGTH_SHORT).show(); 2162 } else { 2163 String packageName = appInfo.componentName.getPackageName(); 2164 String className = appInfo.componentName.getClassName(); 2165 Intent intent = new Intent( 2166 Intent.ACTION_DELETE, Uri.fromParts("package", packageName, className)); 2167 intent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK | 2168 Intent.FLAG_ACTIVITY_EXCLUDE_FROM_RECENTS); 2169 startActivity(intent); 2170 } 2171 } 2172 2173 boolean startActivity(View v, Intent intent, Object tag) { 2174 intent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK); 2175 2176 try { 2177 // Only launch using the new animation if the shortcut has not opted out (this is a 2178 // private contract between launcher and may be ignored in the future). 2179 boolean useLaunchAnimation = (v != null) && 2180 !intent.hasExtra(INTENT_EXTRA_IGNORE_LAUNCH_ANIMATION); 2181 if (useLaunchAnimation) { 2182 ActivityOptions opts = ActivityOptions.makeScaleUpAnimation(v, 0, 0, 2183 v.getMeasuredWidth(), v.getMeasuredHeight()); 2184 2185 startActivity(intent, opts.toBundle()); 2186 } else { 2187 startActivity(intent); 2188 } 2189 return true; 2190 } catch (SecurityException e) { 2191 Toast.makeText(this, R.string.activity_not_found, Toast.LENGTH_SHORT).show(); 2192 Log.e(TAG, "Launcher does not have the permission to launch " + intent + 2193 ". Make sure to create a MAIN intent-filter for the corresponding activity " + 2194 "or use the exported attribute for this activity. " 2195 + "tag="+ tag + " intent=" + intent, e); 2196 } 2197 return false; 2198 } 2199 2200 boolean startActivitySafely(View v, Intent intent, Object tag) { 2201 boolean success = false; 2202 try { 2203 success = startActivity(v, intent, tag); 2204 } catch (ActivityNotFoundException e) { 2205 Toast.makeText(this, R.string.activity_not_found, Toast.LENGTH_SHORT).show(); 2206 Log.e(TAG, "Unable to launch. tag=" + tag + " intent=" + intent, e); 2207 } 2208 return success; 2209 } 2210 2211 void startActivityForResultSafely(Intent intent, int requestCode) { 2212 try { 2213 startActivityForResult(intent, requestCode); 2214 } catch (ActivityNotFoundException e) { 2215 Toast.makeText(this, R.string.activity_not_found, Toast.LENGTH_SHORT).show(); 2216 } catch (SecurityException e) { 2217 Toast.makeText(this, R.string.activity_not_found, Toast.LENGTH_SHORT).show(); 2218 Log.e(TAG, "Launcher does not have the permission to launch " + intent + 2219 ". Make sure to create a MAIN intent-filter for the corresponding activity " + 2220 "or use the exported attribute for this activity.", e); 2221 } 2222 } 2223 2224 private void handleFolderClick(FolderIcon folderIcon) { 2225 final FolderInfo info = folderIcon.getFolderInfo(); 2226 Folder openFolder = mWorkspace.getFolderForTag(info); 2227 2228 // If the folder info reports that the associated folder is open, then verify that 2229 // it is actually opened. There have been a few instances where this gets out of sync. 2230 if (info.opened && openFolder == null) { 2231 Log.d(TAG, "Folder info marked as open, but associated folder is not open. Screen: " 2232 + info.screen + " (" + info.cellX + ", " + info.cellY + ")"); 2233 info.opened = false; 2234 } 2235 2236 if (!info.opened && !folderIcon.getFolder().isDestroyed()) { 2237 // Close any open folder 2238 closeFolder(); 2239 // Open the requested folder 2240 openFolder(folderIcon); 2241 } else { 2242 // Find the open folder... 2243 int folderScreen; 2244 if (openFolder != null) { 2245 folderScreen = mWorkspace.getPageForView(openFolder); 2246 // .. and close it 2247 closeFolder(openFolder); 2248 if (folderScreen != mWorkspace.getCurrentPage()) { 2249 // Close any folder open on the current screen 2250 closeFolder(); 2251 // Pull the folder onto this screen 2252 openFolder(folderIcon); 2253 } 2254 } 2255 } 2256 } 2257 2258 /** 2259 * This method draws the FolderIcon to an ImageView and then adds and positions that ImageView 2260 * in the DragLayer in the exact absolute location of the original FolderIcon. 2261 */ 2262 private void copyFolderIconToImage(FolderIcon fi) { 2263 final int width = fi.getMeasuredWidth(); 2264 final int height = fi.getMeasuredHeight(); 2265 2266 // Lazy load ImageView, Bitmap and Canvas 2267 if (mFolderIconImageView == null) { 2268 mFolderIconImageView = new ImageView(this); 2269 } 2270 if (mFolderIconBitmap == null || mFolderIconBitmap.getWidth() != width || 2271 mFolderIconBitmap.getHeight() != height) { 2272 mFolderIconBitmap = Bitmap.createBitmap(width, height, Bitmap.Config.ARGB_8888); 2273 mFolderIconCanvas = new Canvas(mFolderIconBitmap); 2274 } 2275 2276 DragLayer.LayoutParams lp; 2277 if (mFolderIconImageView.getLayoutParams() instanceof DragLayer.LayoutParams) { 2278 lp = (DragLayer.LayoutParams) mFolderIconImageView.getLayoutParams(); 2279 } else { 2280 lp = new DragLayer.LayoutParams(width, height); 2281 } 2282 2283 // The layout from which the folder is being opened may be scaled, adjust the starting 2284 // view size by this scale factor. 2285 float scale = mDragLayer.getDescendantRectRelativeToSelf(fi, mRectForFolderAnimation); 2286 lp.customPosition = true; 2287 lp.x = mRectForFolderAnimation.left; 2288 lp.y = mRectForFolderAnimation.top; 2289 lp.width = (int) (scale * width); 2290 lp.height = (int) (scale * height); 2291 2292 mFolderIconCanvas.drawColor(0, PorterDuff.Mode.CLEAR); 2293 fi.draw(mFolderIconCanvas); 2294 mFolderIconImageView.setImageBitmap(mFolderIconBitmap); 2295 if (fi.getFolder() != null) { 2296 mFolderIconImageView.setPivotX(fi.getFolder().getPivotXForIconAnimation()); 2297 mFolderIconImageView.setPivotY(fi.getFolder().getPivotYForIconAnimation()); 2298 } 2299 // Just in case this image view is still in the drag layer from a previous animation, 2300 // we remove it and re-add it. 2301 if (mDragLayer.indexOfChild(mFolderIconImageView) != -1) { 2302 mDragLayer.removeView(mFolderIconImageView); 2303 } 2304 mDragLayer.addView(mFolderIconImageView, lp); 2305 if (fi.getFolder() != null) { 2306 fi.getFolder().bringToFront(); 2307 } 2308 } 2309 2310 private void growAndFadeOutFolderIcon(FolderIcon fi) { 2311 if (fi == null) return; 2312 PropertyValuesHolder alpha = PropertyValuesHolder.ofFloat("alpha", 0); 2313 PropertyValuesHolder scaleX = PropertyValuesHolder.ofFloat("scaleX", 1.5f); 2314 PropertyValuesHolder scaleY = PropertyValuesHolder.ofFloat("scaleY", 1.5f); 2315 2316 FolderInfo info = (FolderInfo) fi.getTag(); 2317 if (info.container == LauncherSettings.Favorites.CONTAINER_HOTSEAT) { 2318 CellLayout cl = (CellLayout) fi.getParent().getParent(); 2319 CellLayout.LayoutParams lp = (CellLayout.LayoutParams) fi.getLayoutParams(); 2320 cl.setFolderLeaveBehindCell(lp.cellX, lp.cellY); 2321 } 2322 2323 // Push an ImageView copy of the FolderIcon into the DragLayer and hide the original 2324 copyFolderIconToImage(fi); 2325 fi.setVisibility(View.INVISIBLE); 2326 2327 ObjectAnimator oa = LauncherAnimUtils.ofPropertyValuesHolder(mFolderIconImageView, alpha, 2328 scaleX, scaleY); 2329 oa.setDuration(getResources().getInteger(R.integer.config_folderAnimDuration)); 2330 oa.start(); 2331 } 2332 2333 private void shrinkAndFadeInFolderIcon(final FolderIcon fi) { 2334 if (fi == null) return; 2335 PropertyValuesHolder alpha = PropertyValuesHolder.ofFloat("alpha", 1.0f); 2336 PropertyValuesHolder scaleX = PropertyValuesHolder.ofFloat("scaleX", 1.0f); 2337 PropertyValuesHolder scaleY = PropertyValuesHolder.ofFloat("scaleY", 1.0f); 2338 2339 final CellLayout cl = (CellLayout) fi.getParent().getParent(); 2340 2341 // We remove and re-draw the FolderIcon in-case it has changed 2342 mDragLayer.removeView(mFolderIconImageView); 2343 copyFolderIconToImage(fi); 2344 ObjectAnimator oa = LauncherAnimUtils.ofPropertyValuesHolder(mFolderIconImageView, alpha, 2345 scaleX, scaleY); 2346 oa.setDuration(getResources().getInteger(R.integer.config_folderAnimDuration)); 2347 oa.addListener(new AnimatorListenerAdapter() { 2348 @Override 2349 public void onAnimationEnd(Animator animation) { 2350 if (cl != null) { 2351 cl.clearFolderLeaveBehind(); 2352 // Remove the ImageView copy of the FolderIcon and make the original visible. 2353 mDragLayer.removeView(mFolderIconImageView); 2354 fi.setVisibility(View.VISIBLE); 2355 } 2356 } 2357 }); 2358 oa.start(); 2359 } 2360 2361 /** 2362 * Opens the user folder described by the specified tag. The opening of the folder 2363 * is animated relative to the specified View. If the View is null, no animation 2364 * is played. 2365 * 2366 * @param folderInfo The FolderInfo describing the folder to open. 2367 */ 2368 public void openFolder(FolderIcon folderIcon) { 2369 Folder folder = folderIcon.getFolder(); 2370 FolderInfo info = folder.mInfo; 2371 2372 info.opened = true; 2373 2374 // Just verify that the folder hasn't already been added to the DragLayer. 2375 // There was a one-off crash where the folder had a parent already. 2376 if (folder.getParent() == null) { 2377 mDragLayer.addView(folder); 2378 mDragController.addDropTarget((DropTarget) folder); 2379 } else { 2380 Log.w(TAG, "Opening folder (" + folder + ") which already has a parent (" + 2381 folder.getParent() + ")."); 2382 } 2383 folder.animateOpen(); 2384 growAndFadeOutFolderIcon(folderIcon); 2385 2386 // Notify the accessibility manager that this folder "window" has appeared and occluded 2387 // the workspace items 2388 folder.sendAccessibilityEvent(AccessibilityEvent.TYPE_WINDOW_STATE_CHANGED); 2389 getDragLayer().sendAccessibilityEvent(AccessibilityEvent.TYPE_WINDOW_CONTENT_CHANGED); 2390 } 2391 2392 public void closeFolder() { 2393 Folder folder = mWorkspace.getOpenFolder(); 2394 if (folder != null) { 2395 if (folder.isEditingName()) { 2396 folder.dismissEditingName(); 2397 } 2398 closeFolder(folder); 2399 2400 // Dismiss the folder cling 2401 dismissFolderCling(null); 2402 } 2403 } 2404 2405 void closeFolder(Folder folder) { 2406 folder.getInfo().opened = false; 2407 2408 ViewGroup parent = (ViewGroup) folder.getParent().getParent(); 2409 if (parent != null) { 2410 FolderIcon fi = (FolderIcon) mWorkspace.getViewForTag(folder.mInfo); 2411 shrinkAndFadeInFolderIcon(fi); 2412 } 2413 folder.animateClosed(); 2414 2415 // Notify the accessibility manager that this folder "window" has disappeard and no 2416 // longer occludeds the workspace items 2417 getDragLayer().sendAccessibilityEvent(AccessibilityEvent.TYPE_WINDOW_STATE_CHANGED); 2418 } 2419 2420 public boolean onLongClick(View v) { 2421 if (!isDraggingEnabled()) return false; 2422 if (isWorkspaceLocked()) return false; 2423 if (mState != State.WORKSPACE) return false; 2424 2425 if (!(v instanceof CellLayout)) { 2426 v = (View) v.getParent().getParent(); 2427 } 2428 2429 resetAddInfo(); 2430 CellLayout.CellInfo longClickCellInfo = (CellLayout.CellInfo) v.getTag(); 2431 // This happens when long clicking an item with the dpad/trackball 2432 if (longClickCellInfo == null) { 2433 return true; 2434 } 2435 2436 // The hotseat touch handling does not go through Workspace, and we always allow long press 2437 // on hotseat items. 2438 final View itemUnderLongClick = longClickCellInfo.cell; 2439 boolean allowLongPress = isHotseatLayout(v) || mWorkspace.allowLongPress(); 2440 if (allowLongPress && !mDragController.isDragging()) { 2441 if (itemUnderLongClick == null) { 2442 // User long pressed on empty space 2443 mWorkspace.performHapticFeedback(HapticFeedbackConstants.LONG_PRESS, 2444 HapticFeedbackConstants.FLAG_IGNORE_VIEW_SETTING); 2445 startWallpaper(); 2446 } else { 2447 if (!(itemUnderLongClick instanceof Folder)) { 2448 // User long pressed on an item 2449 mWorkspace.startDrag(longClickCellInfo); 2450 } 2451 } 2452 } 2453 return true; 2454 } 2455 2456 boolean isHotseatLayout(View layout) { 2457 return mHotseat != null && layout != null && 2458 (layout instanceof CellLayout) && (layout == mHotseat.getLayout()); 2459 } 2460 Hotseat getHotseat() { 2461 return mHotseat; 2462 } 2463 SearchDropTargetBar getSearchBar() { 2464 return mSearchDropTargetBar; 2465 } 2466 2467 /** 2468 * Returns the CellLayout of the specified container at the specified screen. 2469 */ 2470 CellLayout getCellLayout(long container, int screen) { 2471 if (container == LauncherSettings.Favorites.CONTAINER_HOTSEAT) { 2472 if (mHotseat != null) { 2473 return mHotseat.getLayout(); 2474 } else { 2475 return null; 2476 } 2477 } else { 2478 return (CellLayout) mWorkspace.getChildAt(screen); 2479 } 2480 } 2481 2482 Workspace getWorkspace() { 2483 return mWorkspace; 2484 } 2485 2486 // Now a part of LauncherModel.Callbacks. Used to reorder loading steps. 2487 @Override 2488 public boolean isAllAppsVisible() { 2489 return (mState == State.APPS_CUSTOMIZE) || (mOnResumeState == State.APPS_CUSTOMIZE); 2490 } 2491 2492 @Override 2493 public boolean isAllAppsButtonRank(int rank) { 2494 return mHotseat.isAllAppsButtonRank(rank); 2495 } 2496 2497 /** 2498 * Helper method for the cameraZoomIn/cameraZoomOut animations 2499 * @param view The view being animated 2500 * @param scaleFactor The scale factor used for the zoom 2501 */ 2502 private void setPivotsForZoom(View view, float scaleFactor) { 2503 view.setPivotX(view.getWidth() / 2.0f); 2504 view.setPivotY(view.getHeight() / 2.0f); 2505 } 2506 2507 void disableWallpaperIfInAllApps() { 2508 // Only disable it if we are in all apps 2509 if (isAllAppsVisible()) { 2510 if (mAppsCustomizeTabHost != null && 2511 !mAppsCustomizeTabHost.isTransitioning()) { 2512 updateWallpaperVisibility(false); 2513 } 2514 } 2515 } 2516 2517 private void setWorkspaceBackground(boolean workspace) { 2518 mLauncherView.setBackground(workspace ? 2519 mWorkspaceBackgroundDrawable : null); 2520 } 2521 2522 void updateWallpaperVisibility(boolean visible) { 2523 int wpflags = visible ? WindowManager.LayoutParams.FLAG_SHOW_WALLPAPER : 0; 2524 int curflags = getWindow().getAttributes().flags 2525 & WindowManager.LayoutParams.FLAG_SHOW_WALLPAPER; 2526 if (wpflags != curflags) { 2527 getWindow().setFlags(wpflags, WindowManager.LayoutParams.FLAG_SHOW_WALLPAPER); 2528 } 2529 setWorkspaceBackground(visible); 2530 } 2531 2532 private void dispatchOnLauncherTransitionPrepare(View v, boolean animated, boolean toWorkspace) { 2533 if (v instanceof LauncherTransitionable) { 2534 ((LauncherTransitionable) v).onLauncherTransitionPrepare(this, animated, toWorkspace); 2535 } 2536 } 2537 2538 private void dispatchOnLauncherTransitionStart(View v, boolean animated, boolean toWorkspace) { 2539 if (v instanceof LauncherTransitionable) { 2540 ((LauncherTransitionable) v).onLauncherTransitionStart(this, animated, toWorkspace); 2541 } 2542 2543 // Update the workspace transition step as well 2544 dispatchOnLauncherTransitionStep(v, 0f); 2545 } 2546 2547 private void dispatchOnLauncherTransitionStep(View v, float t) { 2548 if (v instanceof LauncherTransitionable) { 2549 ((LauncherTransitionable) v).onLauncherTransitionStep(this, t); 2550 } 2551 } 2552 2553 private void dispatchOnLauncherTransitionEnd(View v, boolean animated, boolean toWorkspace) { 2554 if (v instanceof LauncherTransitionable) { 2555 ((LauncherTransitionable) v).onLauncherTransitionEnd(this, animated, toWorkspace); 2556 } 2557 2558 // Update the workspace transition step as well 2559 dispatchOnLauncherTransitionStep(v, 1f); 2560 } 2561 2562 /** 2563 * Things to test when changing the following seven functions. 2564 * - Home from workspace 2565 * - from center screen 2566 * - from other screens 2567 * - Home from all apps 2568 * - from center screen 2569 * - from other screens 2570 * - Back from all apps 2571 * - from center screen 2572 * - from other screens 2573 * - Launch app from workspace and quit 2574 * - with back 2575 * - with home 2576 * - Launch app from all apps and quit 2577 * - with back 2578 * - with home 2579 * - Go to a screen that's not the default, then all 2580 * apps, and launch and app, and go back 2581 * - with back 2582 * -with home 2583 * - On workspace, long press power and go back 2584 * - with back 2585 * - with home 2586 * - On all apps, long press power and go back 2587 * - with back 2588 * - with home 2589 * - On workspace, power off 2590 * - On all apps, power off 2591 * - Launch an app and turn off the screen while in that app 2592 * - Go back with home key 2593 * - Go back with back key TODO: make this not go to workspace 2594 * - From all apps 2595 * - From workspace 2596 * - Enter and exit car mode (becuase it causes an extra configuration changed) 2597 * - From all apps 2598 * - From the center workspace 2599 * - From another workspace 2600 */ 2601 2602 /** 2603 * Zoom the camera out from the workspace to reveal 'toView'. 2604 * Assumes that the view to show is anchored at either the very top or very bottom 2605 * of the screen. 2606 */ 2607 private void showAppsCustomizeHelper(final boolean animated, final boolean springLoaded) { 2608 if (mStateAnimation != null) { 2609 mStateAnimation.setDuration(0); 2610 mStateAnimation.cancel(); 2611 mStateAnimation = null; 2612 } 2613 final Resources res = getResources(); 2614 2615 final int duration = res.getInteger(R.integer.config_appsCustomizeZoomInTime); 2616 final int fadeDuration = res.getInteger(R.integer.config_appsCustomizeFadeInTime); 2617 final float scale = (float) res.getInteger(R.integer.config_appsCustomizeZoomScaleFactor); 2618 final View fromView = mWorkspace; 2619 final AppsCustomizeTabHost toView = mAppsCustomizeTabHost; 2620 final int startDelay = 2621 res.getInteger(R.integer.config_workspaceAppsCustomizeAnimationStagger); 2622 2623 setPivotsForZoom(toView, scale); 2624 2625 // Shrink workspaces away if going to AppsCustomize from workspace 2626 Animator workspaceAnim = 2627 mWorkspace.getChangeStateAnimation(Workspace.State.SMALL, animated); 2628 2629 if (animated) { 2630 toView.setScaleX(scale); 2631 toView.setScaleY(scale); 2632 final LauncherViewPropertyAnimator scaleAnim = new LauncherViewPropertyAnimator(toView); 2633 scaleAnim. 2634 scaleX(1f).scaleY(1f). 2635 setDuration(duration). 2636 setInterpolator(new Workspace.ZoomOutInterpolator()); 2637 2638 toView.setVisibility(View.VISIBLE); 2639 toView.setAlpha(0f); 2640 final ObjectAnimator alphaAnim = LauncherAnimUtils 2641 .ofFloat(toView, "alpha", 0f, 1f) 2642 .setDuration(fadeDuration); 2643 alphaAnim.setInterpolator(new DecelerateInterpolator(1.5f)); 2644 alphaAnim.addUpdateListener(new AnimatorUpdateListener() { 2645 @Override 2646 public void onAnimationUpdate(ValueAnimator animation) { 2647 if (animation == null) { 2648 throw new RuntimeException("animation is null"); 2649 } 2650 float t = (Float) animation.getAnimatedValue(); 2651 dispatchOnLauncherTransitionStep(fromView, t); 2652 dispatchOnLauncherTransitionStep(toView, t); 2653 } 2654 }); 2655 2656 // toView should appear right at the end of the workspace shrink 2657 // animation 2658 mStateAnimation = LauncherAnimUtils.createAnimatorSet(); 2659 mStateAnimation.play(scaleAnim).after(startDelay); 2660 mStateAnimation.play(alphaAnim).after(startDelay); 2661 2662 mStateAnimation.addListener(new AnimatorListenerAdapter() { 2663 boolean animationCancelled = false; 2664 2665 @Override 2666 public void onAnimationStart(Animator animation) { 2667 updateWallpaperVisibility(true); 2668 // Prepare the position 2669 toView.setTranslationX(0.0f); 2670 toView.setTranslationY(0.0f); 2671 toView.setVisibility(View.VISIBLE); 2672 toView.bringToFront(); 2673 } 2674 @Override 2675 public void onAnimationEnd(Animator animation) { 2676 dispatchOnLauncherTransitionEnd(fromView, animated, false); 2677 dispatchOnLauncherTransitionEnd(toView, animated, false); 2678 2679 if (mWorkspace != null && !springLoaded && !LauncherAppState.isScreenLarge()) { 2680 // Hide the workspace scrollbar 2681 mWorkspace.hideScrollingIndicator(true); 2682 hideDockDivider(); 2683 } 2684 if (!animationCancelled) { 2685 updateWallpaperVisibility(false); 2686 } 2687 2688 // Hide the search bar 2689 if (mSearchDropTargetBar != null) { 2690 mSearchDropTargetBar.hideSearchBar(false); 2691 } 2692 } 2693 2694 @Override 2695 public void onAnimationCancel(Animator animation) { 2696 animationCancelled = true; 2697 } 2698 }); 2699 2700 if (workspaceAnim != null) { 2701 mStateAnimation.play(workspaceAnim); 2702 } 2703 2704 boolean delayAnim = false; 2705 2706 dispatchOnLauncherTransitionPrepare(fromView, animated, false); 2707 dispatchOnLauncherTransitionPrepare(toView, animated, false); 2708 2709 // If any of the objects being animated haven't been measured/laid out 2710 // yet, delay the animation until we get a layout pass 2711 if ((((LauncherTransitionable) toView).getContent().getMeasuredWidth() == 0) || 2712 (mWorkspace.getMeasuredWidth() == 0) || 2713 (toView.getMeasuredWidth() == 0)) { 2714 delayAnim = true; 2715 } 2716 2717 final AnimatorSet stateAnimation = mStateAnimation; 2718 final Runnable startAnimRunnable = new Runnable() { 2719 public void run() { 2720 // Check that mStateAnimation hasn't changed while 2721 // we waited for a layout/draw pass 2722 if (mStateAnimation != stateAnimation) 2723 return; 2724 setPivotsForZoom(toView, scale); 2725 dispatchOnLauncherTransitionStart(fromView, animated, false); 2726 dispatchOnLauncherTransitionStart(toView, animated, false); 2727 LauncherAnimUtils.startAnimationAfterNextDraw(mStateAnimation, toView); 2728 } 2729 }; 2730 if (delayAnim) { 2731 final ViewTreeObserver observer = toView.getViewTreeObserver(); 2732 observer.addOnGlobalLayoutListener(new OnGlobalLayoutListener() { 2733 public void onGlobalLayout() { 2734 startAnimRunnable.run(); 2735 toView.getViewTreeObserver().removeOnGlobalLayoutListener(this); 2736 } 2737 }); 2738 } else { 2739 startAnimRunnable.run(); 2740 } 2741 } else { 2742 toView.setTranslationX(0.0f); 2743 toView.setTranslationY(0.0f); 2744 toView.setScaleX(1.0f); 2745 toView.setScaleY(1.0f); 2746 toView.setVisibility(View.VISIBLE); 2747 toView.bringToFront(); 2748 2749 if (!springLoaded && !LauncherAppState.isScreenLarge()) { 2750 // Hide the workspace scrollbar 2751 mWorkspace.hideScrollingIndicator(true); 2752 hideDockDivider(); 2753 2754 // Hide the search bar 2755 if (mSearchDropTargetBar != null) { 2756 mSearchDropTargetBar.hideSearchBar(false); 2757 } 2758 } 2759 dispatchOnLauncherTransitionPrepare(fromView, animated, false); 2760 dispatchOnLauncherTransitionStart(fromView, animated, false); 2761 dispatchOnLauncherTransitionEnd(fromView, animated, false); 2762 dispatchOnLauncherTransitionPrepare(toView, animated, false); 2763 dispatchOnLauncherTransitionStart(toView, animated, false); 2764 dispatchOnLauncherTransitionEnd(toView, animated, false); 2765 updateWallpaperVisibility(false); 2766 } 2767 } 2768 2769 /** 2770 * Zoom the camera back into the workspace, hiding 'fromView'. 2771 * This is the opposite of showAppsCustomizeHelper. 2772 * @param animated If true, the transition will be animated. 2773 */ 2774 private void hideAppsCustomizeHelper(State toState, final boolean animated, 2775 final boolean springLoaded, final Runnable onCompleteRunnable) { 2776 2777 if (mStateAnimation != null) { 2778 mStateAnimation.setDuration(0); 2779 mStateAnimation.cancel(); 2780 mStateAnimation = null; 2781 } 2782 Resources res = getResources(); 2783 2784 final int duration = res.getInteger(R.integer.config_appsCustomizeZoomOutTime); 2785 final int fadeOutDuration = 2786 res.getInteger(R.integer.config_appsCustomizeFadeOutTime); 2787 final float scaleFactor = (float) 2788 res.getInteger(R.integer.config_appsCustomizeZoomScaleFactor); 2789 final View fromView = mAppsCustomizeTabHost; 2790 final View toView = mWorkspace; 2791 Animator workspaceAnim = null; 2792 2793 if (toState == State.WORKSPACE) { 2794 int stagger = res.getInteger(R.integer.config_appsCustomizeWorkspaceAnimationStagger); 2795 workspaceAnim = mWorkspace.getChangeStateAnimation( 2796 Workspace.State.NORMAL, animated, stagger); 2797 } else if (toState == State.APPS_CUSTOMIZE_SPRING_LOADED) { 2798 workspaceAnim = mWorkspace.getChangeStateAnimation( 2799 Workspace.State.SPRING_LOADED, animated); 2800 } 2801 2802 setPivotsForZoom(fromView, scaleFactor); 2803 updateWallpaperVisibility(true); 2804 showHotseat(animated); 2805 if (animated) { 2806 final LauncherViewPropertyAnimator scaleAnim = 2807 new LauncherViewPropertyAnimator(fromView); 2808 scaleAnim. 2809 scaleX(scaleFactor).scaleY(scaleFactor). 2810 setDuration(duration). 2811 setInterpolator(new Workspace.ZoomInInterpolator()); 2812 2813 final ObjectAnimator alphaAnim = LauncherAnimUtils 2814 .ofFloat(fromView, "alpha", 1f, 0f) 2815 .setDuration(fadeOutDuration); 2816 alphaAnim.setInterpolator(new AccelerateDecelerateInterpolator()); 2817 alphaAnim.addUpdateListener(new AnimatorUpdateListener() { 2818 @Override 2819 public void onAnimationUpdate(ValueAnimator animation) { 2820 float t = 1f - (Float) animation.getAnimatedValue(); 2821 dispatchOnLauncherTransitionStep(fromView, t); 2822 dispatchOnLauncherTransitionStep(toView, t); 2823 } 2824 }); 2825 2826 mStateAnimation = LauncherAnimUtils.createAnimatorSet(); 2827 2828 dispatchOnLauncherTransitionPrepare(fromView, animated, true); 2829 dispatchOnLauncherTransitionPrepare(toView, animated, true); 2830 mAppsCustomizeContent.pauseScrolling(); 2831 2832 mStateAnimation.addListener(new AnimatorListenerAdapter() { 2833 @Override 2834 public void onAnimationEnd(Animator animation) { 2835 updateWallpaperVisibility(true); 2836 fromView.setVisibility(View.GONE); 2837 dispatchOnLauncherTransitionEnd(fromView, animated, true); 2838 dispatchOnLauncherTransitionEnd(toView, animated, true); 2839 if (mWorkspace != null) { 2840 mWorkspace.hideScrollingIndicator(false); 2841 } 2842 if (onCompleteRunnable != null) { 2843 onCompleteRunnable.run(); 2844 } 2845 mAppsCustomizeContent.updateCurrentPageScroll(); 2846 mAppsCustomizeContent.resumeScrolling(); 2847 } 2848 }); 2849 2850 mStateAnimation.playTogether(scaleAnim, alphaAnim); 2851 if (workspaceAnim != null) { 2852 mStateAnimation.play(workspaceAnim); 2853 } 2854 dispatchOnLauncherTransitionStart(fromView, animated, true); 2855 dispatchOnLauncherTransitionStart(toView, animated, true); 2856 LauncherAnimUtils.startAnimationAfterNextDraw(mStateAnimation, toView); 2857 } else { 2858 fromView.setVisibility(View.GONE); 2859 dispatchOnLauncherTransitionPrepare(fromView, animated, true); 2860 dispatchOnLauncherTransitionStart(fromView, animated, true); 2861 dispatchOnLauncherTransitionEnd(fromView, animated, true); 2862 dispatchOnLauncherTransitionPrepare(toView, animated, true); 2863 dispatchOnLauncherTransitionStart(toView, animated, true); 2864 dispatchOnLauncherTransitionEnd(toView, animated, true); 2865 mWorkspace.hideScrollingIndicator(false); 2866 } 2867 } 2868 2869 @Override 2870 public void onTrimMemory(int level) { 2871 super.onTrimMemory(level); 2872 if (level >= ComponentCallbacks2.TRIM_MEMORY_MODERATE) { 2873 mAppsCustomizeTabHost.onTrimMemory(); 2874 } 2875 } 2876 2877 @Override 2878 public void onWindowFocusChanged(boolean hasFocus) { 2879 if (!hasFocus) { 2880 // When another window occludes launcher (like the notification shade, or recents), 2881 // ensure that we enable the wallpaper flag so that transitions are done correctly. 2882 updateWallpaperVisibility(true); 2883 } else { 2884 // When launcher has focus again, disable the wallpaper if we are in AllApps 2885 mWorkspace.postDelayed(new Runnable() { 2886 @Override 2887 public void run() { 2888 disableWallpaperIfInAllApps(); 2889 } 2890 }, 500); 2891 } 2892 } 2893 2894 void showWorkspace(boolean animated) { 2895 showWorkspace(animated, null); 2896 } 2897 2898 void showWorkspace(boolean animated, Runnable onCompleteRunnable) { 2899 if (mState != State.WORKSPACE) { 2900 boolean wasInSpringLoadedMode = (mState == State.APPS_CUSTOMIZE_SPRING_LOADED); 2901 mWorkspace.setVisibility(View.VISIBLE); 2902 hideAppsCustomizeHelper(State.WORKSPACE, animated, false, onCompleteRunnable); 2903 2904 // Show the search bar (only animate if we were showing the drop target bar in spring 2905 // loaded mode) 2906 if (mSearchDropTargetBar != null) { 2907 mSearchDropTargetBar.showSearchBar(wasInSpringLoadedMode); 2908 } 2909 2910 // We only need to animate in the dock divider if we're going from spring loaded mode 2911 showDockDivider(animated && wasInSpringLoadedMode); 2912 2913 // Set focus to the AppsCustomize button 2914 if (mAllAppsButton != null) { 2915 mAllAppsButton.requestFocus(); 2916 } 2917 } 2918 2919 mWorkspace.flashScrollingIndicator(animated); 2920 2921 // Change the state *after* we've called all the transition code 2922 mState = State.WORKSPACE; 2923 2924 // Resume the auto-advance of widgets 2925 mUserPresent = true; 2926 updateRunning(); 2927 2928 // Send an accessibility event to announce the context change 2929 getWindow().getDecorView() 2930 .sendAccessibilityEvent(AccessibilityEvent.TYPE_WINDOW_STATE_CHANGED); 2931 2932 onWorkspaceShown(animated); 2933 } 2934 2935 public void onWorkspaceShown(boolean animated) { 2936 } 2937 2938 void showAllApps(boolean animated) { 2939 if (mState != State.WORKSPACE) return; 2940 2941 showAppsCustomizeHelper(animated, false); 2942 mAppsCustomizeTabHost.requestFocus(); 2943 2944 // Change the state *after* we've called all the transition code 2945 mState = State.APPS_CUSTOMIZE; 2946 2947 // Pause the auto-advance of widgets until we are out of AllApps 2948 mUserPresent = false; 2949 updateRunning(); 2950 closeFolder(); 2951 2952 // Send an accessibility event to announce the context change 2953 getWindow().getDecorView() 2954 .sendAccessibilityEvent(AccessibilityEvent.TYPE_WINDOW_STATE_CHANGED); 2955 } 2956 2957 void enterSpringLoadedDragMode() { 2958 if (isAllAppsVisible()) { 2959 hideAppsCustomizeHelper(State.APPS_CUSTOMIZE_SPRING_LOADED, true, true, null); 2960 hideDockDivider(); 2961 mState = State.APPS_CUSTOMIZE_SPRING_LOADED; 2962 } 2963 } 2964 2965 void exitSpringLoadedDragModeDelayed(final boolean successfulDrop, boolean extendedDelay, 2966 final Runnable onCompleteRunnable) { 2967 if (mState != State.APPS_CUSTOMIZE_SPRING_LOADED) return; 2968 2969 mHandler.postDelayed(new Runnable() { 2970 @Override 2971 public void run() { 2972 if (successfulDrop) { 2973 // Before we show workspace, hide all apps again because 2974 // exitSpringLoadedDragMode made it visible. This is a bit hacky; we should 2975 // clean up our state transition functions 2976 mAppsCustomizeTabHost.setVisibility(View.GONE); 2977 showWorkspace(true, onCompleteRunnable); 2978 } else { 2979 exitSpringLoadedDragMode(); 2980 } 2981 } 2982 }, (extendedDelay ? 2983 EXIT_SPRINGLOADED_MODE_LONG_TIMEOUT : 2984 EXIT_SPRINGLOADED_MODE_SHORT_TIMEOUT)); 2985 } 2986 2987 void exitSpringLoadedDragMode() { 2988 if (mState == State.APPS_CUSTOMIZE_SPRING_LOADED) { 2989 final boolean animated = true; 2990 final boolean springLoaded = true; 2991 showAppsCustomizeHelper(animated, springLoaded); 2992 mState = State.APPS_CUSTOMIZE; 2993 } 2994 // Otherwise, we are not in spring loaded mode, so don't do anything. 2995 } 2996 2997 void hideDockDivider() { 2998 if (mQsbDivider != null && mDockDivider != null) { 2999 mQsbDivider.setVisibility(View.INVISIBLE); 3000 mDockDivider.setVisibility(View.INVISIBLE); 3001 } 3002 } 3003 3004 void showDockDivider(boolean animated) { 3005 if (mQsbDivider != null && mDockDivider != null) { 3006 mQsbDivider.setVisibility(View.VISIBLE); 3007 mDockDivider.setVisibility(View.VISIBLE); 3008 if (mDividerAnimator != null) { 3009 mDividerAnimator.cancel(); 3010 mQsbDivider.setAlpha(1f); 3011 mDockDivider.setAlpha(1f); 3012 mDividerAnimator = null; 3013 } 3014 if (animated) { 3015 mDividerAnimator = LauncherAnimUtils.createAnimatorSet(); 3016 mDividerAnimator.playTogether(LauncherAnimUtils.ofFloat(mQsbDivider, "alpha", 1f), 3017 LauncherAnimUtils.ofFloat(mDockDivider, "alpha", 1f)); 3018 int duration = 0; 3019 if (mSearchDropTargetBar != null) { 3020 duration = mSearchDropTargetBar.getTransitionInDuration(); 3021 } 3022 mDividerAnimator.setDuration(duration); 3023 mDividerAnimator.start(); 3024 } 3025 } 3026 } 3027 3028 void lockAllApps() { 3029 // TODO 3030 } 3031 3032 void unlockAllApps() { 3033 // TODO 3034 } 3035 3036 /** 3037 * Shows the hotseat area. 3038 */ 3039 void showHotseat(boolean animated) { 3040 if (!LauncherAppState.isScreenLarge()) { 3041 if (animated) { 3042 if (mHotseat.getAlpha() != 1f) { 3043 int duration = 0; 3044 if (mSearchDropTargetBar != null) { 3045 duration = mSearchDropTargetBar.getTransitionInDuration(); 3046 } 3047 mHotseat.animate().alpha(1f).setDuration(duration); 3048 } 3049 } else { 3050 mHotseat.setAlpha(1f); 3051 } 3052 } 3053 } 3054 3055 /** 3056 * Hides the hotseat area. 3057 */ 3058 void hideHotseat(boolean animated) { 3059 if (!LauncherAppState.isScreenLarge()) { 3060 if (animated) { 3061 if (mHotseat.getAlpha() != 0f) { 3062 int duration = 0; 3063 if (mSearchDropTargetBar != null) { 3064 duration = mSearchDropTargetBar.getTransitionOutDuration(); 3065 } 3066 mHotseat.animate().alpha(0f).setDuration(duration); 3067 } 3068 } else { 3069 mHotseat.setAlpha(0f); 3070 } 3071 } 3072 } 3073 3074 /** 3075 * Add an item from all apps or customize onto the given workspace screen. 3076 * If layout is null, add to the current screen. 3077 */ 3078 void addExternalItemToScreen(ItemInfo itemInfo, final CellLayout layout) { 3079 if (!mWorkspace.addExternalItemToScreen(itemInfo, layout)) { 3080 showOutOfSpaceMessage(isHotseatLayout(layout)); 3081 } 3082 } 3083 3084 /** Maps the current orientation to an index for referencing orientation correct global icons */ 3085 private int getCurrentOrientationIndexForGlobalIcons() { 3086 // default - 0, landscape - 1 3087 switch (getResources().getConfiguration().orientation) { 3088 case Configuration.ORIENTATION_LANDSCAPE: 3089 return 1; 3090 default: 3091 return 0; 3092 } 3093 } 3094 3095 private Drawable getExternalPackageToolbarIcon(ComponentName activityName, String resourceName) { 3096 try { 3097 PackageManager packageManager = getPackageManager(); 3098 // Look for the toolbar icon specified in the activity meta-data 3099 Bundle metaData = packageManager.getActivityInfo( 3100 activityName, PackageManager.GET_META_DATA).metaData; 3101 if (metaData != null) { 3102 int iconResId = metaData.getInt(resourceName); 3103 if (iconResId != 0) { 3104 Resources res = packageManager.getResourcesForActivity(activityName); 3105 return res.getDrawable(iconResId); 3106 } 3107 } 3108 } catch (NameNotFoundException e) { 3109 // This can happen if the activity defines an invalid drawable 3110 Log.w(TAG, "Failed to load toolbar icon; " + activityName.flattenToShortString() + 3111 " not found", e); 3112 } catch (Resources.NotFoundException nfe) { 3113 // This can happen if the activity defines an invalid drawable 3114 Log.w(TAG, "Failed to load toolbar icon from " + activityName.flattenToShortString(), 3115 nfe); 3116 } 3117 return null; 3118 } 3119 3120 // if successful in getting icon, return it; otherwise, set button to use default drawable 3121 private Drawable.ConstantState updateTextButtonWithIconFromExternalActivity( 3122 int buttonId, ComponentName activityName, int fallbackDrawableId, 3123 String toolbarResourceName) { 3124 Drawable toolbarIcon = getExternalPackageToolbarIcon(activityName, toolbarResourceName); 3125 Resources r = getResources(); 3126 int w = r.getDimensionPixelSize(R.dimen.toolbar_external_icon_width); 3127 int h = r.getDimensionPixelSize(R.dimen.toolbar_external_icon_height); 3128 3129 TextView button = (TextView) findViewById(buttonId); 3130 // If we were unable to find the icon via the meta-data, use a generic one 3131 if (toolbarIcon == null) { 3132 toolbarIcon = r.getDrawable(fallbackDrawableId); 3133 toolbarIcon.setBounds(0, 0, w, h); 3134 if (button != null) { 3135 button.setCompoundDrawables(toolbarIcon, null, null, null); 3136 } 3137 return null; 3138 } else { 3139 toolbarIcon.setBounds(0, 0, w, h); 3140 if (button != null) { 3141 button.setCompoundDrawables(toolbarIcon, null, null, null); 3142 } 3143 return toolbarIcon.getConstantState(); 3144 } 3145 } 3146 3147 // if successful in getting icon, return it; otherwise, set button to use default drawable 3148 private Drawable.ConstantState updateButtonWithIconFromExternalActivity( 3149 int buttonId, ComponentName activityName, int fallbackDrawableId, 3150 String toolbarResourceName) { 3151 ImageView button = (ImageView) findViewById(buttonId); 3152 Drawable toolbarIcon = getExternalPackageToolbarIcon(activityName, toolbarResourceName); 3153 3154 if (button != null) { 3155 // If we were unable to find the icon via the meta-data, use a 3156 // generic one 3157 if (toolbarIcon == null) { 3158 button.setImageResource(fallbackDrawableId); 3159 } else { 3160 button.setImageDrawable(toolbarIcon); 3161 } 3162 } 3163 3164 return toolbarIcon != null ? toolbarIcon.getConstantState() : null; 3165 3166 } 3167 3168 private void updateTextButtonWithDrawable(int buttonId, Drawable d) { 3169 TextView button = (TextView) findViewById(buttonId); 3170 button.setCompoundDrawables(d, null, null, null); 3171 } 3172 3173 private void updateButtonWithDrawable(int buttonId, Drawable.ConstantState d) { 3174 ImageView button = (ImageView) findViewById(buttonId); 3175 button.setImageDrawable(d.newDrawable(getResources())); 3176 } 3177 3178 private void invalidatePressedFocusedStates(View container, View button) { 3179 if (container instanceof HolographicLinearLayout) { 3180 HolographicLinearLayout layout = (HolographicLinearLayout) container; 3181 layout.invalidatePressedFocusedStates(); 3182 } else if (button instanceof HolographicImageView) { 3183 HolographicImageView view = (HolographicImageView) button; 3184 view.invalidatePressedFocusedStates(); 3185 } 3186 } 3187 3188 private boolean updateGlobalSearchIcon() { 3189 final View searchButtonContainer = findViewById(R.id.search_button_container); 3190 final ImageView searchButton = (ImageView) findViewById(R.id.search_button); 3191 final View voiceButtonContainer = findViewById(R.id.voice_button_container); 3192 final View voiceButton = findViewById(R.id.voice_button); 3193 3194 final SearchManager searchManager = 3195 (SearchManager) getSystemService(Context.SEARCH_SERVICE); 3196 ComponentName activityName = searchManager.getGlobalSearchActivity(); 3197 if (activityName != null) { 3198 int coi = getCurrentOrientationIndexForGlobalIcons(); 3199 sGlobalSearchIcon[coi] = updateButtonWithIconFromExternalActivity( 3200 R.id.search_button, activityName, R.drawable.ic_home_search_normal_holo, 3201 TOOLBAR_SEARCH_ICON_METADATA_NAME); 3202 if (sGlobalSearchIcon[coi] == null) { 3203 sGlobalSearchIcon[coi] = updateButtonWithIconFromExternalActivity( 3204 R.id.search_button, activityName, R.drawable.ic_home_search_normal_holo, 3205 TOOLBAR_ICON_METADATA_NAME); 3206 } 3207 3208 if (searchButtonContainer != null) searchButtonContainer.setVisibility(View.VISIBLE); 3209 searchButton.setVisibility(View.VISIBLE); 3210 invalidatePressedFocusedStates(searchButtonContainer, searchButton); 3211 return true; 3212 } else { 3213 // We disable both search and voice search when there is no global search provider 3214 if (searchButtonContainer != null) searchButtonContainer.setVisibility(View.GONE); 3215 if (voiceButtonContainer != null) voiceButtonContainer.setVisibility(View.GONE); 3216 searchButton.setVisibility(View.GONE); 3217 voiceButton.setVisibility(View.GONE); 3218 setVoiceButtonProxyVisible(false); 3219 return false; 3220 } 3221 } 3222 3223 private void updateGlobalSearchIcon(Drawable.ConstantState d) { 3224 final View searchButtonContainer = findViewById(R.id.search_button_container); 3225 final View searchButton = (ImageView) findViewById(R.id.search_button); 3226 updateButtonWithDrawable(R.id.search_button, d); 3227 invalidatePressedFocusedStates(searchButtonContainer, searchButton); 3228 } 3229 3230 private boolean updateVoiceSearchIcon(boolean searchVisible) { 3231 final View voiceButtonContainer = findViewById(R.id.voice_button_container); 3232 final View voiceButton = findViewById(R.id.voice_button); 3233 3234 // We only show/update the voice search icon if the search icon is enabled as well 3235 final SearchManager searchManager = 3236 (SearchManager) getSystemService(Context.SEARCH_SERVICE); 3237 ComponentName globalSearchActivity = searchManager.getGlobalSearchActivity(); 3238 3239 ComponentName activityName = null; 3240 if (globalSearchActivity != null) { 3241 // Check if the global search activity handles voice search 3242 Intent intent = new Intent(RecognizerIntent.ACTION_WEB_SEARCH); 3243 intent.setPackage(globalSearchActivity.getPackageName()); 3244 activityName = intent.resolveActivity(getPackageManager()); 3245 } 3246 3247 if (activityName == null) { 3248 // Fallback: check if an activity other than the global search activity 3249 // resolves this 3250 Intent intent = new Intent(RecognizerIntent.ACTION_WEB_SEARCH); 3251 activityName = intent.resolveActivity(getPackageManager()); 3252 } 3253 if (searchVisible && activityName != null) { 3254 int coi = getCurrentOrientationIndexForGlobalIcons(); 3255 sVoiceSearchIcon[coi] = updateButtonWithIconFromExternalActivity( 3256 R.id.voice_button, activityName, R.drawable.ic_home_voice_search_holo, 3257 TOOLBAR_VOICE_SEARCH_ICON_METADATA_NAME); 3258 if (sVoiceSearchIcon[coi] == null) { 3259 sVoiceSearchIcon[coi] = updateButtonWithIconFromExternalActivity( 3260 R.id.voice_button, activityName, R.drawable.ic_home_voice_search_holo, 3261 TOOLBAR_ICON_METADATA_NAME); 3262 } 3263 if (voiceButtonContainer != null) voiceButtonContainer.setVisibility(View.VISIBLE); 3264 voiceButton.setVisibility(View.VISIBLE); 3265 setVoiceButtonProxyVisible(true); 3266 invalidatePressedFocusedStates(voiceButtonContainer, voiceButton); 3267 return true; 3268 } else { 3269 if (voiceButtonContainer != null) voiceButtonContainer.setVisibility(View.GONE); 3270 voiceButton.setVisibility(View.GONE); 3271 setVoiceButtonProxyVisible(false); 3272 return false; 3273 } 3274 } 3275 3276 private void updateVoiceSearchIcon(Drawable.ConstantState d) { 3277 final View voiceButtonContainer = findViewById(R.id.voice_button_container); 3278 final View voiceButton = findViewById(R.id.voice_button); 3279 updateButtonWithDrawable(R.id.voice_button, d); 3280 invalidatePressedFocusedStates(voiceButtonContainer, voiceButton); 3281 } 3282 3283 public void setVoiceButtonProxyVisible(boolean visible) { 3284 final View voiceButtonProxy = findViewById(R.id.voice_button_proxy); 3285 if (voiceButtonProxy != null) { 3286 voiceButtonProxy.setVisibility(visible ? View.VISIBLE : View.GONE); 3287 } 3288 } 3289 /** 3290 * Sets the app market icon 3291 */ 3292 private void updateAppMarketIcon() { 3293 final View marketButton = findViewById(R.id.market_button); 3294 Intent intent = new Intent(Intent.ACTION_MAIN).addCategory(Intent.CATEGORY_APP_MARKET); 3295 // Find the app market activity by resolving an intent. 3296 // (If multiple app markets are installed, it will return the ResolverActivity.) 3297 ComponentName activityName = intent.resolveActivity(getPackageManager()); 3298 if (activityName != null) { 3299 int coi = getCurrentOrientationIndexForGlobalIcons(); 3300 mAppMarketIntent = intent; 3301 sAppMarketIcon[coi] = updateTextButtonWithIconFromExternalActivity( 3302 R.id.market_button, activityName, R.drawable.ic_launcher_market_holo, 3303 TOOLBAR_ICON_METADATA_NAME); 3304 marketButton.setVisibility(View.VISIBLE); 3305 } else { 3306 // We should hide and disable the view so that we don't try and restore the visibility 3307 // of it when we swap between drag & normal states from IconDropTarget subclasses. 3308 marketButton.setVisibility(View.GONE); 3309 marketButton.setEnabled(false); 3310 } 3311 } 3312 3313 private void updateAppMarketIcon(Drawable.ConstantState d) { 3314 // Ensure that the new drawable we are creating has the approprate toolbar icon bounds 3315 Resources r = getResources(); 3316 Drawable marketIconDrawable = d.newDrawable(r); 3317 int w = r.getDimensionPixelSize(R.dimen.toolbar_external_icon_width); 3318 int h = r.getDimensionPixelSize(R.dimen.toolbar_external_icon_height); 3319 marketIconDrawable.setBounds(0, 0, w, h); 3320 3321 updateTextButtonWithDrawable(R.id.market_button, marketIconDrawable); 3322 } 3323 3324 @Override 3325 public boolean dispatchPopulateAccessibilityEvent(AccessibilityEvent event) { 3326 final boolean result = super.dispatchPopulateAccessibilityEvent(event); 3327 final List<CharSequence> text = event.getText(); 3328 text.clear(); 3329 // Populate event with a fake title based on the current state. 3330 if (mState == State.APPS_CUSTOMIZE) { 3331 text.add(getString(R.string.all_apps_button_label)); 3332 } else { 3333 text.add(getString(R.string.all_apps_home_button_label)); 3334 } 3335 return result; 3336 } 3337 3338 /** 3339 * Receives notifications when system dialogs are to be closed. 3340 */ 3341 private class CloseSystemDialogsIntentReceiver extends BroadcastReceiver { 3342 @Override 3343 public void onReceive(Context context, Intent intent) { 3344 closeSystemDialogs(); 3345 } 3346 } 3347 3348 /** 3349 * Receives notifications whenever the appwidgets are reset. 3350 */ 3351 private class AppWidgetResetObserver extends ContentObserver { 3352 public AppWidgetResetObserver() { 3353 super(new Handler()); 3354 } 3355 3356 @Override 3357 public void onChange(boolean selfChange) { 3358 onAppWidgetReset(); 3359 } 3360 } 3361 3362 /** 3363 * If the activity is currently paused, signal that we need to run the passed Runnable 3364 * in onResume. 3365 * 3366 * This needs to be called from incoming places where resources might have been loaded 3367 * while we are paused. That is becaues the Configuration might be wrong 3368 * when we're not running, and if it comes back to what it was when we 3369 * were paused, we are not restarted. 3370 * 3371 * Implementation of the method from LauncherModel.Callbacks. 3372 * 3373 * @return true if we are currently paused. The caller might be able to 3374 * skip some work in that case since we will come back again. 3375 */ 3376 private boolean waitUntilResume(Runnable run, boolean deletePreviousRunnables) { 3377 if (mPaused) { 3378 Log.i(TAG, "Deferring update until onResume"); 3379 if (deletePreviousRunnables) { 3380 while (mOnResumeCallbacks.remove(run)) { 3381 } 3382 } 3383 mOnResumeCallbacks.add(run); 3384 return true; 3385 } else { 3386 return false; 3387 } 3388 } 3389 3390 private boolean waitUntilResume(Runnable run) { 3391 return waitUntilResume(run, false); 3392 } 3393 3394 /** 3395 * If the activity is currently paused, signal that we need to re-run the loader 3396 * in onResume. 3397 * 3398 * This needs to be called from incoming places where resources might have been loaded 3399 * while we are paused. That is becaues the Configuration might be wrong 3400 * when we're not running, and if it comes back to what it was when we 3401 * were paused, we are not restarted. 3402 * 3403 * Implementation of the method from LauncherModel.Callbacks. 3404 * 3405 * @return true if we are currently paused. The caller might be able to 3406 * skip some work in that case since we will come back again. 3407 */ 3408 public boolean setLoadOnResume() { 3409 if (mPaused) { 3410 Log.i(TAG, "setLoadOnResume"); 3411 mOnResumeNeedsLoad = true; 3412 return true; 3413 } else { 3414 return false; 3415 } 3416 } 3417 3418 /** 3419 * Implementation of the method from LauncherModel.Callbacks. 3420 */ 3421 public int getCurrentWorkspaceScreen() { 3422 if (mWorkspace != null) { 3423 return mWorkspace.getCurrentPage(); 3424 } else { 3425 return SCREEN_COUNT / 2; 3426 } 3427 } 3428 3429 /** 3430 * Refreshes the shortcuts shown on the workspace. 3431 * 3432 * Implementation of the method from LauncherModel.Callbacks. 3433 */ 3434 public void startBinding() { 3435 // If we're starting binding all over again, clear any bind calls we'd postponed in 3436 // the past (see waitUntilResume) -- we don't need them since we're starting binding 3437 // from scratch again 3438 mOnResumeCallbacks.clear(); 3439 3440 final Workspace workspace = mWorkspace; 3441 mNewShortcutAnimatePage = -1; 3442 mNewShortcutAnimateViews.clear(); 3443 mWorkspace.clearDropTargets(); 3444 int count = workspace.getChildCount(); 3445 for (int i = 0; i < count; i++) { 3446 // Use removeAllViewsInLayout() to avoid an extra requestLayout() and invalidate(). 3447 final CellLayout layoutParent = (CellLayout) workspace.getChildAt(i); 3448 layoutParent.removeAllViewsInLayout(); 3449 } 3450 mWidgetsToAdvance.clear(); 3451 if (mHotseat != null) { 3452 mHotseat.resetLayout(); 3453 } 3454 } 3455 3456 /** 3457 * Bind the items start-end from the list. 3458 * 3459 * Implementation of the method from LauncherModel.Callbacks. 3460 */ 3461 public void bindItems(final ArrayList<ItemInfo> shortcuts, final int start, final int end) { 3462 if (waitUntilResume(new Runnable() { 3463 public void run() { 3464 bindItems(shortcuts, start, end); 3465 } 3466 })) { 3467 return; 3468 } 3469 3470 // Get the list of added shortcuts and intersect them with the set of shortcuts here 3471 Set<String> newApps = new HashSet<String>(); 3472 newApps = mSharedPrefs.getStringSet(InstallShortcutReceiver.NEW_APPS_LIST_KEY, newApps); 3473 3474 Workspace workspace = mWorkspace; 3475 for (int i = start; i < end; i++) { 3476 final ItemInfo item = shortcuts.get(i); 3477 3478 // Short circuit if we are loading dock items for a configuration which has no dock 3479 if (item.container == LauncherSettings.Favorites.CONTAINER_HOTSEAT && 3480 mHotseat == null) { 3481 continue; 3482 } 3483 3484 switch (item.itemType) { 3485 case LauncherSettings.Favorites.ITEM_TYPE_APPLICATION: 3486 case LauncherSettings.Favorites.ITEM_TYPE_SHORTCUT: 3487 ShortcutInfo info = (ShortcutInfo) item; 3488 String uri = info.intent.toUri(0).toString(); 3489 View shortcut = createShortcut(info); 3490 workspace.addInScreen(shortcut, item.container, item.screen, item.cellX, 3491 item.cellY, 1, 1, false); 3492 boolean animateIconUp = false; 3493 synchronized (newApps) { 3494 if (newApps.contains(uri)) { 3495 animateIconUp = newApps.remove(uri); 3496 } 3497 } 3498 if (animateIconUp) { 3499 // Prepare the view to be animated up 3500 shortcut.setAlpha(0f); 3501 shortcut.setScaleX(0f); 3502 shortcut.setScaleY(0f); 3503 mNewShortcutAnimatePage = item.screen; 3504 if (!mNewShortcutAnimateViews.contains(shortcut)) { 3505 mNewShortcutAnimateViews.add(shortcut); 3506 } 3507 } 3508 break; 3509 case LauncherSettings.Favorites.ITEM_TYPE_FOLDER: 3510 FolderIcon newFolder = FolderIcon.fromXml(R.layout.folder_icon, this, 3511 (ViewGroup) workspace.getChildAt(workspace.getCurrentPage()), 3512 (FolderInfo) item, mIconCache); 3513 workspace.addInScreen(newFolder, item.container, item.screen, item.cellX, 3514 item.cellY, 1, 1, false); 3515 break; 3516 } 3517 } 3518 3519 workspace.requestLayout(); 3520 } 3521 3522 /** 3523 * Implementation of the method from LauncherModel.Callbacks. 3524 */ 3525 public void bindFolders(final HashMap<Long, FolderInfo> folders) { 3526 if (waitUntilResume(new Runnable() { 3527 public void run() { 3528 bindFolders(folders); 3529 } 3530 })) { 3531 return; 3532 } 3533 sFolders.clear(); 3534 sFolders.putAll(folders); 3535 } 3536 3537 /** 3538 * Add the views for a widget to the workspace. 3539 * 3540 * Implementation of the method from LauncherModel.Callbacks. 3541 */ 3542 public void bindAppWidget(final LauncherAppWidgetInfo item) { 3543 if (waitUntilResume(new Runnable() { 3544 public void run() { 3545 bindAppWidget(item); 3546 } 3547 })) { 3548 return; 3549 } 3550 3551 final long start = DEBUG_WIDGETS ? SystemClock.uptimeMillis() : 0; 3552 if (DEBUG_WIDGETS) { 3553 Log.d(TAG, "bindAppWidget: " + item); 3554 } 3555 final Workspace workspace = mWorkspace; 3556 3557 final int appWidgetId = item.appWidgetId; 3558 final AppWidgetProviderInfo appWidgetInfo = mAppWidgetManager.getAppWidgetInfo(appWidgetId); 3559 if (DEBUG_WIDGETS) { 3560 Log.d(TAG, "bindAppWidget: id=" + item.appWidgetId + " belongs to component " + appWidgetInfo.provider); 3561 } 3562 3563 item.hostView = mAppWidgetHost.createView(this, appWidgetId, appWidgetInfo); 3564 3565 item.hostView.setTag(item); 3566 item.onBindAppWidget(this); 3567 3568 workspace.addInScreen(item.hostView, item.container, item.screen, item.cellX, 3569 item.cellY, item.spanX, item.spanY, false); 3570 addWidgetToAutoAdvanceIfNeeded(item.hostView, appWidgetInfo); 3571 3572 workspace.requestLayout(); 3573 3574 if (DEBUG_WIDGETS) { 3575 Log.d(TAG, "bound widget id="+item.appWidgetId+" in " 3576 + (SystemClock.uptimeMillis()-start) + "ms"); 3577 } 3578 } 3579 3580 public void onPageBoundSynchronously(int page) { 3581 mSynchronouslyBoundPages.add(page); 3582 } 3583 3584 /** 3585 * Callback saying that there aren't any more items to bind. 3586 * 3587 * Implementation of the method from LauncherModel.Callbacks. 3588 */ 3589 public void finishBindingItems(final boolean upgradePath) { 3590 if (waitUntilResume(new Runnable() { 3591 public void run() { 3592 finishBindingItems(upgradePath); 3593 } 3594 })) { 3595 return; 3596 } 3597 if (mSavedState != null) { 3598 if (!mWorkspace.hasFocus()) { 3599 mWorkspace.getChildAt(mWorkspace.getCurrentPage()).requestFocus(); 3600 } 3601 mSavedState = null; 3602 } 3603 3604 mWorkspace.restoreInstanceStateForRemainingPages(); 3605 3606 // If we received the result of any pending adds while the loader was running (e.g. the 3607 // widget configuration forced an orientation change), process them now. 3608 for (int i = 0; i < sPendingAddList.size(); i++) { 3609 completeAdd(sPendingAddList.get(i)); 3610 } 3611 sPendingAddList.clear(); 3612 3613 // Update the market app icon as necessary (the other icons will be managed in response to 3614 // package changes in bindSearchablesChanged() 3615 updateAppMarketIcon(); 3616 3617 // Animate up any icons as necessary 3618 if (mVisible || mWorkspaceLoading) { 3619 Runnable newAppsRunnable = new Runnable() { 3620 @Override 3621 public void run() { 3622 runNewAppsAnimation(false); 3623 } 3624 }; 3625 3626 boolean willSnapPage = mNewShortcutAnimatePage > -1 && 3627 mNewShortcutAnimatePage != mWorkspace.getCurrentPage(); 3628 if (canRunNewAppsAnimation()) { 3629 // If the user has not interacted recently, then either snap to the new page to show 3630 // the new-apps animation or just run them if they are to appear on the current page 3631 if (willSnapPage) { 3632 mWorkspace.snapToPage(mNewShortcutAnimatePage, newAppsRunnable); 3633 } else { 3634 runNewAppsAnimation(false); 3635 } 3636 } else { 3637 // If the user has interacted recently, then just add the items in place if they 3638 // are on another page (or just normally if they are added to the current page) 3639 runNewAppsAnimation(willSnapPage); 3640 } 3641 } 3642 3643 mWorkspaceLoading = false; 3644 if (upgradePath) { 3645 mWorkspace.saveWorkspaceToDb(); 3646 mWorkspace.stripDuplicateApps(); 3647 mIntentsOnWorkspaceFromUpgradePath = mWorkspace.stripDuplicateApps(); 3648 } 3649 3650 mWorkspace.post(new Runnable() { 3651 @Override 3652 public void run() { 3653 onFinishBindingItems(); 3654 } 3655 }); 3656 } 3657 3658 private boolean canRunNewAppsAnimation() { 3659 long diff = System.currentTimeMillis() - mDragController.getLastGestureUpTime(); 3660 return diff > (NEW_APPS_ANIMATION_INACTIVE_TIMEOUT_SECONDS * 1000); 3661 } 3662 3663 /** 3664 * Runs a new animation that scales up icons that were added while Launcher was in the 3665 * background. 3666 * 3667 * @param immediate whether to run the animation or show the results immediately 3668 */ 3669 private void runNewAppsAnimation(boolean immediate) { 3670 AnimatorSet anim = LauncherAnimUtils.createAnimatorSet(); 3671 Collection<Animator> bounceAnims = new ArrayList<Animator>(); 3672 3673 // Order these new views spatially so that they animate in order 3674 Collections.sort(mNewShortcutAnimateViews, new Comparator<View>() { 3675 @Override 3676 public int compare(View a, View b) { 3677 CellLayout.LayoutParams alp = (CellLayout.LayoutParams) a.getLayoutParams(); 3678 CellLayout.LayoutParams blp = (CellLayout.LayoutParams) b.getLayoutParams(); 3679 int cellCountX = LauncherModel.getCellCountX(); 3680 return (alp.cellY * cellCountX + alp.cellX) - (blp.cellY * cellCountX + blp.cellX); 3681 } 3682 }); 3683 3684 // Animate each of the views in place (or show them immediately if requested) 3685 if (immediate) { 3686 for (View v : mNewShortcutAnimateViews) { 3687 v.setAlpha(1f); 3688 v.setScaleX(1f); 3689 v.setScaleY(1f); 3690 } 3691 } else { 3692 for (int i = 0; i < mNewShortcutAnimateViews.size(); ++i) { 3693 View v = mNewShortcutAnimateViews.get(i); 3694 ValueAnimator bounceAnim = LauncherAnimUtils.ofPropertyValuesHolder(v, 3695 PropertyValuesHolder.ofFloat("alpha", 1f), 3696 PropertyValuesHolder.ofFloat("scaleX", 1f), 3697 PropertyValuesHolder.ofFloat("scaleY", 1f)); 3698 bounceAnim.setDuration(InstallShortcutReceiver.NEW_SHORTCUT_BOUNCE_DURATION); 3699 bounceAnim.setStartDelay(i * InstallShortcutReceiver.NEW_SHORTCUT_STAGGER_DELAY); 3700 bounceAnim.setInterpolator(new SmoothPagedView.OvershootInterpolator()); 3701 bounceAnims.add(bounceAnim); 3702 } 3703 anim.playTogether(bounceAnims); 3704 anim.addListener(new AnimatorListenerAdapter() { 3705 @Override 3706 public void onAnimationEnd(Animator animation) { 3707 if (mWorkspace != null) { 3708 mWorkspace.postDelayed(mBuildLayersRunnable, 500); 3709 } 3710 } 3711 }); 3712 anim.start(); 3713 } 3714 3715 // Clean up 3716 mNewShortcutAnimatePage = -1; 3717 mNewShortcutAnimateViews.clear(); 3718 new Thread("clearNewAppsThread") { 3719 public void run() { 3720 mSharedPrefs.edit() 3721 .putInt(InstallShortcutReceiver.NEW_APPS_PAGE_KEY, -1) 3722 .putStringSet(InstallShortcutReceiver.NEW_APPS_LIST_KEY, null) 3723 .commit(); 3724 } 3725 }.start(); 3726 } 3727 3728 @Override 3729 public void bindSearchablesChanged() { 3730 boolean searchVisible = updateGlobalSearchIcon(); 3731 boolean voiceVisible = updateVoiceSearchIcon(searchVisible); 3732 if (mSearchDropTargetBar != null) { 3733 mSearchDropTargetBar.onSearchPackagesChanged(searchVisible, voiceVisible); 3734 } 3735 } 3736 3737 /** 3738 * Add the icons for all apps. 3739 * 3740 * Implementation of the method from LauncherModel.Callbacks. 3741 */ 3742 public void bindAllApplications(final ArrayList<ApplicationInfo> apps) { 3743 Runnable setAllAppsRunnable = new Runnable() { 3744 public void run() { 3745 if (mAppsCustomizeContent != null) { 3746 mAppsCustomizeContent.setApps(apps); 3747 3748 if (mIntentsOnWorkspaceFromUpgradePath != null) { 3749 getHotseat().addAllAppsFolder(mIconCache, apps, 3750 mIntentsOnWorkspaceFromUpgradePath, Launcher.this); 3751 mIntentsOnWorkspaceFromUpgradePath = null; 3752 } 3753 } 3754 } 3755 }; 3756 3757 // Remove the progress bar entirely; we could also make it GONE 3758 // but better to remove it since we know it's not going to be used 3759 View progressBar = mAppsCustomizeTabHost. 3760 findViewById(R.id.apps_customize_progress_bar); 3761 if (progressBar != null) { 3762 ((ViewGroup)progressBar.getParent()).removeView(progressBar); 3763 3764 // We just post the call to setApps so the user sees the progress bar 3765 // disappear-- otherwise, it just looks like the progress bar froze 3766 // which doesn't look great 3767 mAppsCustomizeTabHost.post(setAllAppsRunnable); 3768 } else { 3769 // If we did not initialize the spinner in onCreate, then we can directly set the 3770 // list of applications without waiting for any progress bars views to be hidden. 3771 setAllAppsRunnable.run(); 3772 } 3773 } 3774 3775 /** 3776 * A package was installed. 3777 * 3778 * Implementation of the method from LauncherModel.Callbacks. 3779 */ 3780 public void bindAppsAdded(final ArrayList<ApplicationInfo> apps) { 3781 if (waitUntilResume(new Runnable() { 3782 public void run() { 3783 bindAppsAdded(apps); 3784 } 3785 })) { 3786 return; 3787 } 3788 3789 3790 if (mAppsCustomizeContent != null) { 3791 mAppsCustomizeContent.addApps(apps); 3792 } 3793 } 3794 3795 /** 3796 * A package was updated. 3797 * 3798 * Implementation of the method from LauncherModel.Callbacks. 3799 */ 3800 public void bindAppsUpdated(final ArrayList<ApplicationInfo> apps) { 3801 if (waitUntilResume(new Runnable() { 3802 public void run() { 3803 bindAppsUpdated(apps); 3804 } 3805 })) { 3806 return; 3807 } 3808 3809 if (mWorkspace != null) { 3810 mWorkspace.updateShortcuts(apps); 3811 } 3812 3813 if (mAppsCustomizeContent != null) { 3814 mAppsCustomizeContent.updateApps(apps); 3815 } 3816 } 3817 3818 /** 3819 * A package was uninstalled. We take both the super set of packageNames 3820 * in addition to specific applications to remove, the reason being that 3821 * this can be called when a package is updated as well. In that scenario, 3822 * we only remove specific components from the workspace, where as 3823 * package-removal should clear all items by package name. 3824 * 3825 * Implementation of the method from LauncherModel.Callbacks. 3826 */ 3827 public void bindComponentsRemoved(final ArrayList<String> packageNames, 3828 final ArrayList<ApplicationInfo> appInfos, 3829 final boolean matchPackageNamesOnly) { 3830 if (waitUntilResume(new Runnable() { 3831 public void run() { 3832 bindComponentsRemoved(packageNames, appInfos, matchPackageNamesOnly); 3833 } 3834 })) { 3835 return; 3836 } 3837 3838 if (matchPackageNamesOnly) { 3839 mWorkspace.removeItemsByPackageName(packageNames); 3840 } else { 3841 mWorkspace.removeItemsByApplicationInfo(appInfos); 3842 } 3843 3844 if (mAppsCustomizeContent != null) { 3845 mAppsCustomizeContent.removeApps(appInfos); 3846 } 3847 3848 // Notify the drag controller 3849 mDragController.onAppsRemoved(appInfos, this); 3850 } 3851 3852 /** 3853 * A number of packages were updated. 3854 */ 3855 3856 private ArrayList<Object> mWidgetsAndShortcuts; 3857 private Runnable mBindPackagesUpdatedRunnable = new Runnable() { 3858 public void run() { 3859 bindPackagesUpdated(mWidgetsAndShortcuts); 3860 mWidgetsAndShortcuts = null; 3861 } 3862 }; 3863 3864 public void bindPackagesUpdated(final ArrayList<Object> widgetsAndShortcuts) { 3865 if (waitUntilResume(mBindPackagesUpdatedRunnable, true)) { 3866 mWidgetsAndShortcuts = widgetsAndShortcuts; 3867 return; 3868 } 3869 3870 if (mAppsCustomizeContent != null) { 3871 mAppsCustomizeContent.onPackagesUpdated(widgetsAndShortcuts); 3872 } 3873 } 3874 3875 private int mapConfigurationOriActivityInfoOri(int configOri) { 3876 final Display d = getWindowManager().getDefaultDisplay(); 3877 int naturalOri = Configuration.ORIENTATION_LANDSCAPE; 3878 switch (d.getRotation()) { 3879 case Surface.ROTATION_0: 3880 case Surface.ROTATION_180: 3881 // We are currently in the same basic orientation as the natural orientation 3882 naturalOri = configOri; 3883 break; 3884 case Surface.ROTATION_90: 3885 case Surface.ROTATION_270: 3886 // We are currently in the other basic orientation to the natural orientation 3887 naturalOri = (configOri == Configuration.ORIENTATION_LANDSCAPE) ? 3888 Configuration.ORIENTATION_PORTRAIT : Configuration.ORIENTATION_LANDSCAPE; 3889 break; 3890 } 3891 3892 int[] oriMap = { 3893 ActivityInfo.SCREEN_ORIENTATION_PORTRAIT, 3894 ActivityInfo.SCREEN_ORIENTATION_LANDSCAPE, 3895 ActivityInfo.SCREEN_ORIENTATION_REVERSE_PORTRAIT, 3896 ActivityInfo.SCREEN_ORIENTATION_REVERSE_LANDSCAPE 3897 }; 3898 // Since the map starts at portrait, we need to offset if this device's natural orientation 3899 // is landscape. 3900 int indexOffset = 0; 3901 if (naturalOri == Configuration.ORIENTATION_LANDSCAPE) { 3902 indexOffset = 1; 3903 } 3904 return oriMap[(d.getRotation() + indexOffset) % 4]; 3905 } 3906 3907 public boolean isRotationEnabled() { 3908 boolean enableRotation = sForceEnableRotation || 3909 getResources().getBoolean(R.bool.allow_rotation); 3910 return enableRotation; 3911 } 3912 public void lockScreenOrientation() { 3913 if (isRotationEnabled()) { 3914 setRequestedOrientation(mapConfigurationOriActivityInfoOri(getResources() 3915 .getConfiguration().orientation)); 3916 } 3917 } 3918 public void unlockScreenOrientation(boolean immediate) { 3919 if (isRotationEnabled()) { 3920 if (immediate) { 3921 setRequestedOrientation(ActivityInfo.SCREEN_ORIENTATION_UNSPECIFIED); 3922 } else { 3923 mHandler.postDelayed(new Runnable() { 3924 public void run() { 3925 setRequestedOrientation(ActivityInfo.SCREEN_ORIENTATION_UNSPECIFIED); 3926 } 3927 }, mRestoreScreenOrientationDelay); 3928 } 3929 } 3930 } 3931 3932 /* Cling related */ 3933 private boolean isClingsEnabled() { 3934 if (DISABLE_CLINGS) { 3935 return false; 3936 } 3937 3938 // disable clings when running in a test harness 3939 if(ActivityManager.isRunningInTestHarness()) return false; 3940 3941 // Restricted secondary users (child mode) will potentially have very few apps 3942 // seeded when they start up for the first time. Clings won't work well with that 3943// boolean supportsLimitedUsers = 3944// android.os.Build.VERSION.SDK_INT >= android.os.Build.VERSION_CODES.JELLY_BEAN_MR2; 3945// Account[] accounts = AccountManager.get(this).getAccounts(); 3946// if (supportsLimitedUsers && accounts.length == 0) { 3947// UserManager um = (UserManager) getSystemService(Context.USER_SERVICE); 3948// Bundle restrictions = um.getUserRestrictions(); 3949// if (restrictions.getBoolean(UserManager.DISALLOW_MODIFY_ACCOUNTS, false)) { 3950// return false; 3951// } 3952// } 3953 return true; 3954 } 3955 3956 private Cling initCling(int clingId, int[] positionData, boolean animate, int delay) { 3957 final Cling cling = (Cling) findViewById(clingId); 3958 if (cling != null) { 3959 cling.init(this, positionData); 3960 cling.setVisibility(View.VISIBLE); 3961 cling.setLayerType(View.LAYER_TYPE_HARDWARE, null); 3962 if (animate) { 3963 cling.buildLayer(); 3964 cling.setAlpha(0f); 3965 cling.animate() 3966 .alpha(1f) 3967 .setInterpolator(new AccelerateInterpolator()) 3968 .setDuration(SHOW_CLING_DURATION) 3969 .setStartDelay(delay) 3970 .start(); 3971 } else { 3972 cling.setAlpha(1f); 3973 } 3974 cling.setFocusableInTouchMode(true); 3975 cling.post(new Runnable() { 3976 public void run() { 3977 cling.setFocusable(true); 3978 cling.requestFocus(); 3979 } 3980 }); 3981 mHideFromAccessibilityHelper.setImportantForAccessibilityToNo( 3982 mDragLayer, clingId == R.id.all_apps_cling); 3983 } 3984 return cling; 3985 } 3986 3987 private void dismissCling(final Cling cling, final String flag, int duration) { 3988 // To catch cases where siblings of top-level views are made invisible, just check whether 3989 // the cling is directly set to GONE before dismissing it. 3990 if (cling != null && cling.getVisibility() != View.GONE) { 3991 ObjectAnimator anim = LauncherAnimUtils.ofFloat(cling, "alpha", 0f); 3992 anim.setDuration(duration); 3993 anim.addListener(new AnimatorListenerAdapter() { 3994 public void onAnimationEnd(Animator animation) { 3995 cling.setVisibility(View.GONE); 3996 cling.cleanup(); 3997 // We should update the shared preferences on a background thread 3998 new Thread("dismissClingThread") { 3999 public void run() { 4000 SharedPreferences.Editor editor = mSharedPrefs.edit(); 4001 editor.putBoolean(flag, true); 4002 editor.commit(); 4003 } 4004 }.start(); 4005 }; 4006 }); 4007 anim.start(); 4008 mHideFromAccessibilityHelper.restoreImportantForAccessibility(mDragLayer); 4009 } 4010 } 4011 4012 private void removeCling(int id) { 4013 final View cling = findViewById(id); 4014 if (cling != null) { 4015 final ViewGroup parent = (ViewGroup) cling.getParent(); 4016 parent.post(new Runnable() { 4017 @Override 4018 public void run() { 4019 parent.removeView(cling); 4020 } 4021 }); 4022 mHideFromAccessibilityHelper.restoreImportantForAccessibility(mDragLayer); 4023 } 4024 } 4025 4026 private boolean skipCustomClingIfNoAccounts() { 4027 Cling cling = (Cling) findViewById(R.id.workspace_cling); 4028 boolean customCling = cling.getDrawIdentifier().equals("workspace_custom"); 4029 if (customCling) { 4030 AccountManager am = AccountManager.get(this); 4031 if (am == null) return false; 4032 Account[] accounts = am.getAccountsByType("com.google"); 4033 return accounts.length == 0; 4034 } 4035 return false; 4036 } 4037 4038 public void showFirstRunWorkspaceCling() { 4039 // Enable the clings only if they have not been dismissed before 4040 if (isClingsEnabled() && 4041 !mSharedPrefs.getBoolean(Cling.WORKSPACE_CLING_DISMISSED_KEY, false) && 4042 !skipCustomClingIfNoAccounts() ) { 4043 // If we're not using the default workspace layout, replace workspace cling 4044 // with a custom workspace cling (usually specified in an overlay) 4045 // For now, only do this on tablets 4046 if (mSharedPrefs.getInt(LauncherProvider.DEFAULT_WORKSPACE_RESOURCE_ID, 0) != 0 && 4047 getResources().getBoolean(R.bool.config_useCustomClings)) { 4048 // Use a custom cling 4049 View cling = findViewById(R.id.workspace_cling); 4050 ViewGroup clingParent = (ViewGroup) cling.getParent(); 4051 int clingIndex = clingParent.indexOfChild(cling); 4052 clingParent.removeViewAt(clingIndex); 4053 View customCling = mInflater.inflate(R.layout.custom_workspace_cling, clingParent, false); 4054 clingParent.addView(customCling, clingIndex); 4055 customCling.setId(R.id.workspace_cling); 4056 } 4057 initCling(R.id.workspace_cling, null, false, 0); 4058 } else { 4059 removeCling(R.id.workspace_cling); 4060 } 4061 } 4062 public void showFirstRunAllAppsCling(int[] position) { 4063 // Enable the clings only if they have not been dismissed before 4064 if (isClingsEnabled() && 4065 !mSharedPrefs.getBoolean(Cling.ALLAPPS_CLING_DISMISSED_KEY, false)) { 4066 initCling(R.id.all_apps_cling, position, true, 0); 4067 } else { 4068 removeCling(R.id.all_apps_cling); 4069 } 4070 } 4071 public Cling showFirstRunFoldersCling() { 4072 // Enable the clings only if they have not been dismissed before 4073 if (isClingsEnabled() && 4074 !mSharedPrefs.getBoolean(Cling.FOLDER_CLING_DISMISSED_KEY, false)) { 4075 return initCling(R.id.folder_cling, null, true, 0); 4076 } else { 4077 removeCling(R.id.folder_cling); 4078 return null; 4079 } 4080 } 4081 public boolean isFolderClingVisible() { 4082 Cling cling = (Cling) findViewById(R.id.folder_cling); 4083 if (cling != null) { 4084 return cling.getVisibility() == View.VISIBLE; 4085 } 4086 return false; 4087 } 4088 public void dismissWorkspaceCling(View v) { 4089 Cling cling = (Cling) findViewById(R.id.workspace_cling); 4090 dismissCling(cling, Cling.WORKSPACE_CLING_DISMISSED_KEY, DISMISS_CLING_DURATION); 4091 } 4092 public void dismissAllAppsCling(View v) { 4093 Cling cling = (Cling) findViewById(R.id.all_apps_cling); 4094 dismissCling(cling, Cling.ALLAPPS_CLING_DISMISSED_KEY, DISMISS_CLING_DURATION); 4095 } 4096 public void dismissFolderCling(View v) { 4097 Cling cling = (Cling) findViewById(R.id.folder_cling); 4098 dismissCling(cling, Cling.FOLDER_CLING_DISMISSED_KEY, DISMISS_CLING_DURATION); 4099 } 4100 4101 /** 4102 * Prints out out state for debugging. 4103 */ 4104 public void dumpState() { 4105 Log.d(TAG, "BEGIN launcher3 dump state for launcher " + this); 4106 Log.d(TAG, "mSavedState=" + mSavedState); 4107 Log.d(TAG, "mWorkspaceLoading=" + mWorkspaceLoading); 4108 Log.d(TAG, "mRestoring=" + mRestoring); 4109 Log.d(TAG, "mWaitingForResult=" + mWaitingForResult); 4110 Log.d(TAG, "mSavedInstanceState=" + mSavedInstanceState); 4111 Log.d(TAG, "sFolders.size=" + sFolders.size()); 4112 mModel.dumpState(); 4113 4114 if (mAppsCustomizeContent != null) { 4115 mAppsCustomizeContent.dumpState(); 4116 } 4117 Log.d(TAG, "END launcher3 dump state"); 4118 } 4119 4120 @Override 4121 public void dump(String prefix, FileDescriptor fd, PrintWriter writer, String[] args) { 4122 super.dump(prefix, fd, writer, args); 4123 writer.println(" "); 4124 writer.println("Debug logs: "); 4125 for (int i = 0; i < sDumpLogs.size(); i++) { 4126 writer.println(" " + sDumpLogs.get(i)); 4127 } 4128 } 4129 4130 public static void dumpDebugLogsToConsole() { 4131 Log.d(TAG, ""); 4132 Log.d(TAG, "*********************"); 4133 Log.d(TAG, "Launcher debug logs: "); 4134 for (int i = 0; i < sDumpLogs.size(); i++) { 4135 Log.d(TAG, " " + sDumpLogs.get(i)); 4136 } 4137 Log.d(TAG, "*********************"); 4138 Log.d(TAG, ""); 4139 } 4140} 4141 4142interface LauncherTransitionable { 4143 View getContent(); 4144 void onLauncherTransitionPrepare(Launcher l, boolean animated, boolean toWorkspace); 4145 void onLauncherTransitionStart(Launcher l, boolean animated, boolean toWorkspace); 4146 void onLauncherTransitionStep(Launcher l, float t); 4147 void onLauncherTransitionEnd(Launcher l, boolean animated, boolean toWorkspace); 4148} 4149