Launcher.java revision f51025feaa1f5a6f9ced4e381a9c75069123f6eb
1 2/* 3 * Copyright (C) 2008 The Android Open Source Project 4 * 5 * Licensed under the Apache License, Version 2.0 (the "License"); 6 * you may not use this file except in compliance with the License. 7 * You may obtain a copy of the License at 8 * 9 * http://www.apache.org/licenses/LICENSE-2.0 10 * 11 * Unless required by applicable law or agreed to in writing, software 12 * distributed under the License is distributed on an "AS IS" BASIS, 13 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 14 * See the License for the specific language governing permissions and 15 * limitations under the License. 16 */ 17 18package com.android.launcher2; 19 20import android.animation.Animator; 21import android.animation.AnimatorListenerAdapter; 22import android.animation.AnimatorSet; 23import android.animation.ObjectAnimator; 24import android.animation.PropertyValuesHolder; 25import android.animation.ValueAnimator; 26import android.animation.ValueAnimator.AnimatorUpdateListener; 27import android.app.Activity; 28import android.app.ActivityManager; 29import android.app.ActivityOptions; 30import android.app.SearchManager; 31import android.appwidget.AppWidgetHostView; 32import android.appwidget.AppWidgetManager; 33import android.appwidget.AppWidgetProviderInfo; 34import android.content.ActivityNotFoundException; 35import android.content.BroadcastReceiver; 36import android.content.ClipData; 37import android.content.ClipDescription; 38import android.content.ComponentCallbacks2; 39import android.content.ComponentName; 40import android.content.ContentResolver; 41import android.content.Context; 42import android.content.Intent; 43import android.content.IntentFilter; 44import android.content.SharedPreferences; 45import android.content.pm.ActivityInfo; 46import android.content.pm.PackageManager; 47import android.content.pm.PackageManager.NameNotFoundException; 48import android.content.res.Configuration; 49import android.content.res.Resources; 50import android.database.ContentObserver; 51import android.graphics.Rect; 52import android.graphics.drawable.Drawable; 53import android.net.Uri; 54import android.os.AsyncTask; 55import android.os.Bundle; 56import android.os.Environment; 57import android.os.Handler; 58import android.os.Message; 59import android.os.StrictMode; 60import android.os.SystemClock; 61import android.os.SystemProperties; 62import android.provider.Settings; 63import android.speech.RecognizerIntent; 64import android.text.Selection; 65import android.text.SpannableStringBuilder; 66import android.text.method.TextKeyListener; 67import android.util.Log; 68import android.view.Display; 69import android.view.HapticFeedbackConstants; 70import android.view.KeyEvent; 71import android.view.LayoutInflater; 72import android.view.Menu; 73import android.view.MenuItem; 74import android.view.MotionEvent; 75import android.view.Surface; 76import android.view.View; 77import android.view.View.OnLongClickListener; 78import android.view.ViewGroup; 79import android.view.ViewTreeObserver; 80import android.view.ViewTreeObserver.OnGlobalLayoutListener; 81import android.view.WindowManager; 82import android.view.accessibility.AccessibilityEvent; 83import android.view.animation.AccelerateDecelerateInterpolator; 84import android.view.animation.AccelerateInterpolator; 85import android.view.animation.DecelerateInterpolator; 86import android.view.inputmethod.InputMethodManager; 87import android.widget.Advanceable; 88import android.widget.ImageView; 89import android.widget.TextView; 90import android.widget.Toast; 91 92import com.android.common.Search; 93import com.android.launcher.R; 94import com.android.launcher2.DropTarget.DragObject; 95 96import java.io.DataInputStream; 97import java.io.DataOutputStream; 98import java.io.FileDescriptor; 99import java.io.FileNotFoundException; 100import java.io.IOException; 101import java.io.PrintWriter; 102import java.util.ArrayList; 103import java.util.Collection; 104import java.util.Collections; 105import java.util.Comparator; 106import java.util.HashMap; 107import java.util.HashSet; 108import java.util.List; 109import java.util.Set; 110 111/** 112 * Default launcher application. 113 */ 114public final class Launcher extends Activity 115 implements View.OnClickListener, OnLongClickListener, LauncherModel.Callbacks, 116 AllAppsView.Watcher, View.OnTouchListener { 117 static final String TAG = "Launcher"; 118 static final boolean LOGD = false; 119 120 static final boolean PROFILE_STARTUP = false; 121 static final boolean DEBUG_WIDGETS = false; 122 static final boolean DEBUG_STRICT_MODE = false; 123 124 private static final int MENU_GROUP_WALLPAPER = 1; 125 private static final int MENU_WALLPAPER_SETTINGS = Menu.FIRST + 1; 126 private static final int MENU_MANAGE_APPS = MENU_WALLPAPER_SETTINGS + 1; 127 private static final int MENU_SYSTEM_SETTINGS = MENU_MANAGE_APPS + 1; 128 private static final int MENU_HELP = MENU_SYSTEM_SETTINGS + 1; 129 130 private static final int REQUEST_CREATE_SHORTCUT = 1; 131 private static final int REQUEST_CREATE_APPWIDGET = 5; 132 private static final int REQUEST_PICK_APPLICATION = 6; 133 private static final int REQUEST_PICK_SHORTCUT = 7; 134 private static final int REQUEST_PICK_APPWIDGET = 9; 135 private static final int REQUEST_PICK_WALLPAPER = 10; 136 137 private static final int REQUEST_BIND_APPWIDGET = 11; 138 139 static final String EXTRA_SHORTCUT_DUPLICATE = "duplicate"; 140 141 static final int SCREEN_COUNT = 5; 142 static final int DEFAULT_SCREEN = 2; 143 144 private static final String PREFERENCES = "launcher.preferences"; 145 static final String FORCE_ENABLE_ROTATION_PROPERTY = "launcher.force_enable_rotation"; 146 147 // Type: int 148 private static final String RUNTIME_STATE_CURRENT_SCREEN = "launcher.current_screen"; 149 // Type: int 150 private static final String RUNTIME_STATE = "launcher.state"; 151 // Type: int 152 private static final String RUNTIME_STATE_PENDING_ADD_CONTAINER = "launcher.add_container"; 153 // Type: int 154 private static final String RUNTIME_STATE_PENDING_ADD_SCREEN = "launcher.add_screen"; 155 // Type: int 156 private static final String RUNTIME_STATE_PENDING_ADD_CELL_X = "launcher.add_cell_x"; 157 // Type: int 158 private static final String RUNTIME_STATE_PENDING_ADD_CELL_Y = "launcher.add_cell_y"; 159 // Type: boolean 160 private static final String RUNTIME_STATE_PENDING_FOLDER_RENAME = "launcher.rename_folder"; 161 // Type: long 162 private static final String RUNTIME_STATE_PENDING_FOLDER_RENAME_ID = "launcher.rename_folder_id"; 163 164 private static final String TOOLBAR_ICON_METADATA_NAME = "com.android.launcher.toolbar_icon"; 165 private static final String TOOLBAR_SEARCH_ICON_METADATA_NAME = 166 "com.android.launcher.toolbar_search_icon"; 167 private static final String TOOLBAR_VOICE_SEARCH_ICON_METADATA_NAME = 168 "com.android.launcher.toolbar_voice_search_icon"; 169 170 /** The different states that Launcher can be in. */ 171 private enum State { WORKSPACE, APPS_CUSTOMIZE, APPS_CUSTOMIZE_SPRING_LOADED }; 172 private State mState = State.WORKSPACE; 173 private AnimatorSet mStateAnimation; 174 private AnimatorSet mDividerAnimator; 175 176 static final int APPWIDGET_HOST_ID = 1024; 177 private static final int EXIT_SPRINGLOADED_MODE_SHORT_TIMEOUT = 300; 178 private static final int EXIT_SPRINGLOADED_MODE_LONG_TIMEOUT = 600; 179 private static final int SHOW_CLING_DURATION = 550; 180 private static final int DISMISS_CLING_DURATION = 250; 181 182 private static final Object sLock = new Object(); 183 private static int sScreen = DEFAULT_SCREEN; 184 185 // How long to wait before the new-shortcut animation automatically pans the workspace 186 private static int NEW_APPS_ANIMATION_INACTIVE_TIMEOUT_SECONDS = 10; 187 188 private final BroadcastReceiver mCloseSystemDialogsReceiver 189 = new CloseSystemDialogsIntentReceiver(); 190 private final ContentObserver mWidgetObserver = new AppWidgetResetObserver(); 191 192 private LayoutInflater mInflater; 193 194 private Workspace mWorkspace; 195 private View mQsbDivider; 196 private View mDockDivider; 197 private DragLayer mDragLayer; 198 private DragController mDragController; 199 200 private AppWidgetManager mAppWidgetManager; 201 private LauncherAppWidgetHost mAppWidgetHost; 202 203 private ItemInfo mPendingAddInfo = new ItemInfo(); 204 private int[] mTmpAddItemCellCoordinates = new int[2]; 205 206 private FolderInfo mFolderInfo; 207 208 private Hotseat mHotseat; 209 private View mAllAppsButton; 210 211 private SearchDropTargetBar mSearchDropTargetBar; 212 private AppsCustomizeTabHost mAppsCustomizeTabHost; 213 private AppsCustomizePagedView mAppsCustomizeContent; 214 private boolean mAutoAdvanceRunning = false; 215 216 private Bundle mSavedState; 217 218 private SpannableStringBuilder mDefaultKeySsb = null; 219 220 private boolean mWorkspaceLoading = true; 221 222 private boolean mPaused = true; 223 private boolean mRestoring; 224 private boolean mWaitingForResult; 225 private boolean mOnResumeNeedsLoad; 226 227 private Bundle mSavedInstanceState; 228 229 private LauncherModel mModel; 230 private IconCache mIconCache; 231 private boolean mUserPresent = true; 232 private boolean mVisible = false; 233 private boolean mAttached = false; 234 235 private static LocaleConfiguration sLocaleConfiguration = null; 236 237 private static HashMap<Long, FolderInfo> sFolders = new HashMap<Long, FolderInfo>(); 238 239 private Intent mAppMarketIntent = null; 240 241 // Related to the auto-advancing of widgets 242 private final int ADVANCE_MSG = 1; 243 private final int mAdvanceInterval = 20000; 244 private final int mAdvanceStagger = 250; 245 private long mAutoAdvanceSentTime; 246 private long mAutoAdvanceTimeLeft = -1; 247 private HashMap<View, AppWidgetProviderInfo> mWidgetsToAdvance = 248 new HashMap<View, AppWidgetProviderInfo>(); 249 250 // Determines how long to wait after a rotation before restoring the screen orientation to 251 // match the sensor state. 252 private final int mRestoreScreenOrientationDelay = 500; 253 254 // External icons saved in case of resource changes, orientation, etc. 255 private static Drawable.ConstantState[] sGlobalSearchIcon = new Drawable.ConstantState[2]; 256 private static Drawable.ConstantState[] sVoiceSearchIcon = new Drawable.ConstantState[2]; 257 private static Drawable.ConstantState[] sAppMarketIcon = new Drawable.ConstantState[2]; 258 259 static final ArrayList<String> sDumpLogs = new ArrayList<String>(); 260 PendingAddWidgetInfo mWidgetBeingBoundOrConfigured = null; 261 262 // We only want to get the SharedPreferences once since it does an FS stat each time we get 263 // it from the context. 264 private SharedPreferences mSharedPrefs; 265 266 // Holds the page that we need to animate to, and the icon views that we need to animate up 267 // when we scroll to that page on resume. 268 private int mNewShortcutAnimatePage = -1; 269 private ArrayList<View> mNewShortcutAnimateViews = new ArrayList<View>(); 270 271 private BubbleTextView mWaitingForResume; 272 273 private Runnable mBuildLayersRunnable = new Runnable() { 274 public void run() { 275 if (mWorkspace != null) { 276 mWorkspace.buildPageHardwareLayers(); 277 } 278 } 279 }; 280 281 private static ArrayList<PendingAddArguments> sPendingAddList 282 = new ArrayList<PendingAddArguments>(); 283 284 private static class PendingAddArguments { 285 int requestCode; 286 Intent intent; 287 long container; 288 int screen; 289 int cellX; 290 int cellY; 291 } 292 293 @Override 294 protected void onCreate(Bundle savedInstanceState) { 295 if (DEBUG_STRICT_MODE) { 296 StrictMode.setThreadPolicy(new StrictMode.ThreadPolicy.Builder() 297 .detectDiskReads() 298 .detectDiskWrites() 299 .detectNetwork() // or .detectAll() for all detectable problems 300 .penaltyLog() 301 .build()); 302 StrictMode.setVmPolicy(new StrictMode.VmPolicy.Builder() 303 .detectLeakedSqlLiteObjects() 304 .detectLeakedClosableObjects() 305 .penaltyLog() 306 .penaltyDeath() 307 .build()); 308 } 309 310 super.onCreate(savedInstanceState); 311 LauncherApplication app = ((LauncherApplication)getApplication()); 312 mSharedPrefs = getSharedPreferences(LauncherApplication.getSharedPreferencesKey(), 313 Context.MODE_PRIVATE); 314 mModel = app.setLauncher(this); 315 mIconCache = app.getIconCache(); 316 mDragController = new DragController(this); 317 mInflater = getLayoutInflater(); 318 319 mAppWidgetManager = AppWidgetManager.getInstance(this); 320 mAppWidgetHost = new LauncherAppWidgetHost(this, APPWIDGET_HOST_ID); 321 mAppWidgetHost.startListening(); 322 323 if (PROFILE_STARTUP) { 324 android.os.Debug.startMethodTracing( 325 Environment.getExternalStorageDirectory() + "/launcher"); 326 } 327 328 checkForLocaleChange(); 329 setContentView(R.layout.launcher); 330 setupViews(); 331 showFirstRunWorkspaceCling(); 332 333 registerContentObservers(); 334 335 lockAllApps(); 336 337 mSavedState = savedInstanceState; 338 restoreState(mSavedState); 339 340 // Update customization drawer _after_ restoring the states 341 if (mAppsCustomizeContent != null) { 342 mAppsCustomizeContent.onPackagesUpdated(); 343 } 344 345 if (PROFILE_STARTUP) { 346 android.os.Debug.stopMethodTracing(); 347 } 348 349 if (!mRestoring) { 350 mModel.startLoader(true); 351 } 352 353 if (!mModel.isAllAppsLoaded()) { 354 ViewGroup appsCustomizeContentParent = (ViewGroup) mAppsCustomizeContent.getParent(); 355 mInflater.inflate(R.layout.apps_customize_progressbar, appsCustomizeContentParent); 356 } 357 358 // For handling default keys 359 mDefaultKeySsb = new SpannableStringBuilder(); 360 Selection.setSelection(mDefaultKeySsb, 0); 361 362 IntentFilter filter = new IntentFilter(Intent.ACTION_CLOSE_SYSTEM_DIALOGS); 363 registerReceiver(mCloseSystemDialogsReceiver, filter); 364 365 boolean searchVisible = false; 366 boolean voiceVisible = false; 367 // If we have a saved version of these external icons, we load them up immediately 368 int coi = getCurrentOrientationIndexForGlobalIcons(); 369 if (sGlobalSearchIcon[coi] == null || sVoiceSearchIcon[coi] == null || 370 sAppMarketIcon[coi] == null) { 371 updateAppMarketIcon(); 372 searchVisible = updateGlobalSearchIcon(); 373 voiceVisible = updateVoiceSearchIcon(searchVisible); 374 } 375 if (sGlobalSearchIcon[coi] != null) { 376 updateGlobalSearchIcon(sGlobalSearchIcon[coi]); 377 searchVisible = true; 378 } 379 if (sVoiceSearchIcon[coi] != null) { 380 updateVoiceSearchIcon(sVoiceSearchIcon[coi]); 381 voiceVisible = true; 382 } 383 if (sAppMarketIcon[coi] != null) { 384 updateAppMarketIcon(sAppMarketIcon[coi]); 385 } 386 mSearchDropTargetBar.onSearchPackagesChanged(searchVisible, voiceVisible); 387 388 // On large interfaces, we want the screen to auto-rotate based on the current orientation 389 unlockScreenOrientation(true); 390 } 391 392 private void checkForLocaleChange() { 393 if (sLocaleConfiguration == null) { 394 new AsyncTask<Void, Void, LocaleConfiguration>() { 395 @Override 396 protected LocaleConfiguration doInBackground(Void... unused) { 397 LocaleConfiguration localeConfiguration = new LocaleConfiguration(); 398 readConfiguration(Launcher.this, localeConfiguration); 399 return localeConfiguration; 400 } 401 402 @Override 403 protected void onPostExecute(LocaleConfiguration result) { 404 sLocaleConfiguration = result; 405 checkForLocaleChange(); // recursive, but now with a locale configuration 406 } 407 }.execute(); 408 return; 409 } 410 411 final Configuration configuration = getResources().getConfiguration(); 412 413 final String previousLocale = sLocaleConfiguration.locale; 414 final String locale = configuration.locale.toString(); 415 416 final int previousMcc = sLocaleConfiguration.mcc; 417 final int mcc = configuration.mcc; 418 419 final int previousMnc = sLocaleConfiguration.mnc; 420 final int mnc = configuration.mnc; 421 422 boolean localeChanged = !locale.equals(previousLocale) || mcc != previousMcc || mnc != previousMnc; 423 424 if (localeChanged) { 425 sLocaleConfiguration.locale = locale; 426 sLocaleConfiguration.mcc = mcc; 427 sLocaleConfiguration.mnc = mnc; 428 429 mIconCache.flush(); 430 431 final LocaleConfiguration localeConfiguration = sLocaleConfiguration; 432 new Thread("WriteLocaleConfiguration") { 433 @Override 434 public void run() { 435 writeConfiguration(Launcher.this, localeConfiguration); 436 } 437 }.start(); 438 } 439 } 440 441 private static class LocaleConfiguration { 442 public String locale; 443 public int mcc = -1; 444 public int mnc = -1; 445 } 446 447 private static void readConfiguration(Context context, LocaleConfiguration configuration) { 448 DataInputStream in = null; 449 try { 450 in = new DataInputStream(context.openFileInput(PREFERENCES)); 451 configuration.locale = in.readUTF(); 452 configuration.mcc = in.readInt(); 453 configuration.mnc = in.readInt(); 454 } catch (FileNotFoundException e) { 455 // Ignore 456 } catch (IOException e) { 457 // Ignore 458 } finally { 459 if (in != null) { 460 try { 461 in.close(); 462 } catch (IOException e) { 463 // Ignore 464 } 465 } 466 } 467 } 468 469 private static void writeConfiguration(Context context, LocaleConfiguration configuration) { 470 DataOutputStream out = null; 471 try { 472 out = new DataOutputStream(context.openFileOutput(PREFERENCES, MODE_PRIVATE)); 473 out.writeUTF(configuration.locale); 474 out.writeInt(configuration.mcc); 475 out.writeInt(configuration.mnc); 476 out.flush(); 477 } catch (FileNotFoundException e) { 478 // Ignore 479 } catch (IOException e) { 480 //noinspection ResultOfMethodCallIgnored 481 context.getFileStreamPath(PREFERENCES).delete(); 482 } finally { 483 if (out != null) { 484 try { 485 out.close(); 486 } catch (IOException e) { 487 // Ignore 488 } 489 } 490 } 491 } 492 493 public DragLayer getDragLayer() { 494 return mDragLayer; 495 } 496 497 static int getScreen() { 498 synchronized (sLock) { 499 return sScreen; 500 } 501 } 502 503 static void setScreen(int screen) { 504 synchronized (sLock) { 505 sScreen = screen; 506 } 507 } 508 509 /** 510 * Returns whether we should delay spring loaded mode -- for shortcuts and widgets that have 511 * a configuration step, this allows the proper animations to run after other transitions. 512 */ 513 private boolean completeAdd(PendingAddArguments args) { 514 boolean result = false; 515 switch (args.requestCode) { 516 case REQUEST_PICK_APPLICATION: 517 completeAddApplication(args.intent, args.container, args.screen, args.cellX, 518 args.cellY); 519 break; 520 case REQUEST_PICK_SHORTCUT: 521 processShortcut(args.intent); 522 break; 523 case REQUEST_CREATE_SHORTCUT: 524 completeAddShortcut(args.intent, args.container, args.screen, args.cellX, 525 args.cellY); 526 result = true; 527 break; 528 case REQUEST_PICK_APPWIDGET: 529 addAppWidgetFromPick(args.intent); 530 break; 531 case REQUEST_CREATE_APPWIDGET: 532 int appWidgetId = args.intent.getIntExtra(AppWidgetManager.EXTRA_APPWIDGET_ID, -1); 533 completeAddAppWidget(appWidgetId, args.container, args.screen, null, null); 534 result = true; 535 break; 536 case REQUEST_PICK_WALLPAPER: 537 // We just wanted the activity result here so we can clear mWaitingForResult 538 break; 539 } 540 // Before adding this resetAddInfo(), after a shortcut was added to a workspace screen, 541 // if you turned the screen off and then back while in All Apps, Launcher would not 542 // return to the workspace. Clearing mAddInfo.container here fixes this issue 543 resetAddInfo(); 544 return result; 545 } 546 547 @Override 548 protected void onActivityResult( 549 final int requestCode, final int resultCode, final Intent data) { 550 if (requestCode == REQUEST_BIND_APPWIDGET) { 551 int appWidgetId = data != null ? 552 data.getIntExtra(AppWidgetManager.EXTRA_APPWIDGET_ID, -1) : -1; 553 if (resultCode == RESULT_CANCELED) { 554 completeTwoStageWidgetDrop(RESULT_CANCELED, appWidgetId); 555 } else if (resultCode == RESULT_OK) { 556 addAppWidgetImpl(appWidgetId, mWidgetBeingBoundOrConfigured); 557 } 558 return; 559 } 560 boolean delayExitSpringLoadedMode = false; 561 boolean isWidgetDrop = (requestCode == REQUEST_PICK_APPWIDGET || 562 requestCode == REQUEST_CREATE_APPWIDGET); 563 mWaitingForResult = false; 564 565 // We have special handling for widgets 566 if (isWidgetDrop) { 567 int appWidgetId = data != null ? 568 data.getIntExtra(AppWidgetManager.EXTRA_APPWIDGET_ID, -1) : -1; 569 if (appWidgetId < 0) { 570 Log.e(TAG, "Error: appWidgetId (EXTRA_APPWIDGET_ID) was not returned from the \\" + 571 "widget configuration activity."); 572 completeTwoStageWidgetDrop(RESULT_CANCELED, appWidgetId); 573 } else { 574 completeTwoStageWidgetDrop(resultCode, appWidgetId); 575 } 576 return; 577 } 578 579 // The pattern used here is that a user PICKs a specific application, 580 // which, depending on the target, might need to CREATE the actual target. 581 582 // For example, the user would PICK_SHORTCUT for "Music playlist", and we 583 // launch over to the Music app to actually CREATE_SHORTCUT. 584 if (resultCode == RESULT_OK && mPendingAddInfo.container != ItemInfo.NO_ID) { 585 final PendingAddArguments args = new PendingAddArguments(); 586 args.requestCode = requestCode; 587 args.intent = data; 588 args.container = mPendingAddInfo.container; 589 args.screen = mPendingAddInfo.screen; 590 args.cellX = mPendingAddInfo.cellX; 591 args.cellY = mPendingAddInfo.cellY; 592 if (isWorkspaceLocked()) { 593 sPendingAddList.add(args); 594 } else { 595 delayExitSpringLoadedMode = completeAdd(args); 596 } 597 } 598 mDragLayer.clearAnimatedView(); 599 // Exit spring loaded mode if necessary after cancelling the configuration of a widget 600 exitSpringLoadedDragModeDelayed((resultCode != RESULT_CANCELED), delayExitSpringLoadedMode, 601 null); 602 } 603 604 private void completeTwoStageWidgetDrop(final int resultCode, final int appWidgetId) { 605 CellLayout cellLayout = 606 (CellLayout) mWorkspace.getChildAt(mWidgetBeingBoundOrConfigured.screen); 607 Runnable onCompleteRunnable = null; 608 int animationType = 0; 609 610 if (resultCode == RESULT_OK) { 611 animationType = Workspace.COMPLETE_TWO_STAGE_WIDGET_DROP_ANIMATION; 612 final AppWidgetHostView layout = mAppWidgetHost.createView(this, appWidgetId, 613 mWidgetBeingBoundOrConfigured.info); 614 mWidgetBeingBoundOrConfigured.boundWidget = layout; 615 onCompleteRunnable = new Runnable() { 616 @Override 617 public void run() { 618 completeAddAppWidget(appWidgetId, mPendingAddInfo.container, 619 mPendingAddInfo.screen, layout, null); 620 exitSpringLoadedDragModeDelayed((resultCode != RESULT_CANCELED), false, 621 null); 622 } 623 }; 624 } else if (resultCode == RESULT_CANCELED) { 625 animationType = Workspace.CANCEL_TWO_STAGE_WIDGET_DROP_ANIMATION; 626 onCompleteRunnable = new Runnable() { 627 @Override 628 public void run() { 629 exitSpringLoadedDragModeDelayed((resultCode != RESULT_CANCELED), false, 630 null); 631 } 632 }; 633 } 634 mWorkspace.animateWidgetDrop(mWidgetBeingBoundOrConfigured, cellLayout, 635 (DragView) mDragLayer.getAnimatedView(), onCompleteRunnable, 636 animationType, mWidgetBeingBoundOrConfigured.boundWidget, true); 637 mWidgetBeingBoundOrConfigured = null; 638 } 639 640 @Override 641 protected void onResume() { 642 super.onResume(); 643 644 mPaused = false; 645 if (mRestoring || mOnResumeNeedsLoad) { 646 mWorkspaceLoading = true; 647 mModel.startLoader(true); 648 mRestoring = false; 649 mOnResumeNeedsLoad = false; 650 } 651 652 // Reset the pressed state of icons that were locked in the press state while activities 653 // were launching 654 if (mWaitingForResume != null) { 655 // Resets the previous workspace icon press state 656 mWaitingForResume.setStayPressed(false); 657 } 658 if (mAppsCustomizeContent != null) { 659 // Resets the previous all apps icon press state 660 mAppsCustomizeContent.resetDrawableState(); 661 } 662 } 663 664 @Override 665 protected void onPause() { 666 super.onPause(); 667 mPaused = true; 668 mDragController.cancelDrag(); 669 mDragController.resetLastGestureUpTime(); 670 } 671 672 @Override 673 public Object onRetainNonConfigurationInstance() { 674 // Flag the loader to stop early before switching 675 mModel.stopLoader(); 676 if (mAppsCustomizeContent != null) { 677 mAppsCustomizeContent.surrender(); 678 } 679 return Boolean.TRUE; 680 } 681 682 // We can't hide the IME if it was forced open. So don't bother 683 /* 684 @Override 685 public void onWindowFocusChanged(boolean hasFocus) { 686 super.onWindowFocusChanged(hasFocus); 687 688 if (hasFocus) { 689 final InputMethodManager inputManager = (InputMethodManager) 690 getSystemService(Context.INPUT_METHOD_SERVICE); 691 WindowManager.LayoutParams lp = getWindow().getAttributes(); 692 inputManager.hideSoftInputFromWindow(lp.token, 0, new android.os.ResultReceiver(new 693 android.os.Handler()) { 694 protected void onReceiveResult(int resultCode, Bundle resultData) { 695 Log.d(TAG, "ResultReceiver got resultCode=" + resultCode); 696 } 697 }); 698 Log.d(TAG, "called hideSoftInputFromWindow from onWindowFocusChanged"); 699 } 700 } 701 */ 702 703 private boolean acceptFilter() { 704 final InputMethodManager inputManager = (InputMethodManager) 705 getSystemService(Context.INPUT_METHOD_SERVICE); 706 return !inputManager.isFullscreenMode(); 707 } 708 709 @Override 710 public boolean onKeyDown(int keyCode, KeyEvent event) { 711 final int uniChar = event.getUnicodeChar(); 712 final boolean handled = super.onKeyDown(keyCode, event); 713 final boolean isKeyNotWhitespace = uniChar > 0 && !Character.isWhitespace(uniChar); 714 if (!handled && acceptFilter() && isKeyNotWhitespace) { 715 boolean gotKey = TextKeyListener.getInstance().onKeyDown(mWorkspace, mDefaultKeySsb, 716 keyCode, event); 717 if (gotKey && mDefaultKeySsb != null && mDefaultKeySsb.length() > 0) { 718 // something usable has been typed - start a search 719 // the typed text will be retrieved and cleared by 720 // showSearchDialog() 721 // If there are multiple keystrokes before the search dialog takes focus, 722 // onSearchRequested() will be called for every keystroke, 723 // but it is idempotent, so it's fine. 724 return onSearchRequested(); 725 } 726 } 727 728 // Eat the long press event so the keyboard doesn't come up. 729 if (keyCode == KeyEvent.KEYCODE_MENU && event.isLongPress()) { 730 return true; 731 } 732 733 return handled; 734 } 735 736 private String getTypedText() { 737 return mDefaultKeySsb.toString(); 738 } 739 740 private void clearTypedText() { 741 mDefaultKeySsb.clear(); 742 mDefaultKeySsb.clearSpans(); 743 Selection.setSelection(mDefaultKeySsb, 0); 744 } 745 746 /** 747 * Given the integer (ordinal) value of a State enum instance, convert it to a variable of type 748 * State 749 */ 750 private static State intToState(int stateOrdinal) { 751 State state = State.WORKSPACE; 752 final State[] stateValues = State.values(); 753 for (int i = 0; i < stateValues.length; i++) { 754 if (stateValues[i].ordinal() == stateOrdinal) { 755 state = stateValues[i]; 756 break; 757 } 758 } 759 return state; 760 } 761 762 /** 763 * Restores the previous state, if it exists. 764 * 765 * @param savedState The previous state. 766 */ 767 private void restoreState(Bundle savedState) { 768 if (savedState == null) { 769 return; 770 } 771 772 State state = intToState(savedState.getInt(RUNTIME_STATE, State.WORKSPACE.ordinal())); 773 if (state == State.APPS_CUSTOMIZE) { 774 showAllApps(false); 775 } 776 777 int currentScreen = savedState.getInt(RUNTIME_STATE_CURRENT_SCREEN, -1); 778 if (currentScreen > -1) { 779 mWorkspace.setCurrentPage(currentScreen); 780 } 781 782 final long pendingAddContainer = savedState.getLong(RUNTIME_STATE_PENDING_ADD_CONTAINER, -1); 783 final int pendingAddScreen = savedState.getInt(RUNTIME_STATE_PENDING_ADD_SCREEN, -1); 784 785 if (pendingAddContainer != ItemInfo.NO_ID && pendingAddScreen > -1) { 786 mPendingAddInfo.container = pendingAddContainer; 787 mPendingAddInfo.screen = pendingAddScreen; 788 mPendingAddInfo.cellX = savedState.getInt(RUNTIME_STATE_PENDING_ADD_CELL_X); 789 mPendingAddInfo.cellY = savedState.getInt(RUNTIME_STATE_PENDING_ADD_CELL_Y); 790 mRestoring = true; 791 } 792 793 boolean renameFolder = savedState.getBoolean(RUNTIME_STATE_PENDING_FOLDER_RENAME, false); 794 if (renameFolder) { 795 long id = savedState.getLong(RUNTIME_STATE_PENDING_FOLDER_RENAME_ID); 796 mFolderInfo = mModel.getFolderById(this, sFolders, id); 797 mRestoring = true; 798 } 799 800 801 // Restore the AppsCustomize tab 802 if (mAppsCustomizeTabHost != null) { 803 String curTab = savedState.getString("apps_customize_currentTab"); 804 if (curTab != null) { 805 // We set this directly so that there is no delay before the tab is set 806 mAppsCustomizeContent.setContentType( 807 mAppsCustomizeTabHost.getContentTypeForTabTag(curTab)); 808 mAppsCustomizeTabHost.setCurrentTabByTag(curTab); 809 mAppsCustomizeContent.loadAssociatedPages( 810 mAppsCustomizeContent.getCurrentPage()); 811 } 812 813 int currentIndex = savedState.getInt("apps_customize_currentIndex"); 814 mAppsCustomizeContent.restorePageForIndex(currentIndex); 815 } 816 } 817 818 /** 819 * Finds all the views we need and configure them properly. 820 */ 821 private void setupViews() { 822 final DragController dragController = mDragController; 823 824 mDragLayer = (DragLayer) findViewById(R.id.drag_layer); 825 mWorkspace = (Workspace) mDragLayer.findViewById(R.id.workspace); 826 mQsbDivider = (ImageView) findViewById(R.id.qsb_divider); 827 mDockDivider = (ImageView) findViewById(R.id.dock_divider); 828 829 // Setup the drag layer 830 mDragLayer.setup(this, dragController); 831 832 // Setup the hotseat 833 mHotseat = (Hotseat) findViewById(R.id.hotseat); 834 if (mHotseat != null) { 835 mHotseat.setup(this); 836 } 837 838 // Setup the workspace 839 mWorkspace.setHapticFeedbackEnabled(false); 840 mWorkspace.setOnLongClickListener(this); 841 mWorkspace.setup(dragController); 842 dragController.addDragListener(mWorkspace); 843 844 // Get the search/delete bar 845 mSearchDropTargetBar = (SearchDropTargetBar) mDragLayer.findViewById(R.id.qsb_bar); 846 847 // Setup AppsCustomize 848 mAppsCustomizeTabHost = (AppsCustomizeTabHost) 849 findViewById(R.id.apps_customize_pane); 850 mAppsCustomizeContent = (AppsCustomizePagedView) 851 mAppsCustomizeTabHost.findViewById(R.id.apps_customize_pane_content); 852 mAppsCustomizeTabHost.setup(this); 853 mAppsCustomizeContent.setup(this, dragController); 854 855 // Get the all apps button 856 mAllAppsButton = findViewById(R.id.all_apps_button); 857 if (mAllAppsButton != null) { 858 mAllAppsButton.setOnTouchListener(new View.OnTouchListener() { 859 @Override 860 public boolean onTouch(View v, MotionEvent event) { 861 if ((event.getAction() & MotionEvent.ACTION_MASK) == MotionEvent.ACTION_DOWN) { 862 onTouchDownAllAppsButton(v); 863 } 864 return false; 865 } 866 }); 867 } 868 // Setup the drag controller (drop targets have to be added in reverse order in priority) 869 dragController.setDragScoller(mWorkspace); 870 dragController.setScrollView(mDragLayer); 871 dragController.setMoveTarget(mWorkspace); 872 dragController.addDropTarget(mWorkspace); 873 if (mSearchDropTargetBar != null) { 874 mSearchDropTargetBar.setup(this, dragController); 875 } 876 } 877 878 /** 879 * Creates a view representing a shortcut. 880 * 881 * @param info The data structure describing the shortcut. 882 * 883 * @return A View inflated from R.layout.application. 884 */ 885 View createShortcut(ShortcutInfo info) { 886 return createShortcut(R.layout.application, 887 (ViewGroup) mWorkspace.getChildAt(mWorkspace.getCurrentPage()), info); 888 } 889 890 /** 891 * Creates a view representing a shortcut inflated from the specified resource. 892 * 893 * @param layoutResId The id of the XML layout used to create the shortcut. 894 * @param parent The group the shortcut belongs to. 895 * @param info The data structure describing the shortcut. 896 * 897 * @return A View inflated from layoutResId. 898 */ 899 View createShortcut(int layoutResId, ViewGroup parent, ShortcutInfo info) { 900 BubbleTextView favorite = (BubbleTextView) mInflater.inflate(layoutResId, parent, false); 901 favorite.applyFromShortcutInfo(info, mIconCache); 902 favorite.setOnClickListener(this); 903 return favorite; 904 } 905 906 /** 907 * Add an application shortcut to the workspace. 908 * 909 * @param data The intent describing the application. 910 * @param cellInfo The position on screen where to create the shortcut. 911 */ 912 void completeAddApplication(Intent data, long container, int screen, int cellX, int cellY) { 913 final int[] cellXY = mTmpAddItemCellCoordinates; 914 final CellLayout layout = getCellLayout(container, screen); 915 916 // First we check if we already know the exact location where we want to add this item. 917 if (cellX >= 0 && cellY >= 0) { 918 cellXY[0] = cellX; 919 cellXY[1] = cellY; 920 } else if (!layout.findCellForSpan(cellXY, 1, 1)) { 921 showOutOfSpaceMessage(isHotseatLayout(layout)); 922 return; 923 } 924 925 final ShortcutInfo info = mModel.getShortcutInfo(getPackageManager(), data, this); 926 927 if (info != null) { 928 info.setActivity(data.getComponent(), Intent.FLAG_ACTIVITY_NEW_TASK | 929 Intent.FLAG_ACTIVITY_RESET_TASK_IF_NEEDED); 930 info.container = ItemInfo.NO_ID; 931 mWorkspace.addApplicationShortcut(info, layout, container, screen, cellXY[0], cellXY[1], 932 isWorkspaceLocked(), cellX, cellY); 933 } else { 934 Log.e(TAG, "Couldn't find ActivityInfo for selected application: " + data); 935 } 936 } 937 938 /** 939 * Add a shortcut to the workspace. 940 * 941 * @param data The intent describing the shortcut. 942 * @param cellInfo The position on screen where to create the shortcut. 943 */ 944 private void completeAddShortcut(Intent data, long container, int screen, int cellX, 945 int cellY) { 946 int[] cellXY = mTmpAddItemCellCoordinates; 947 int[] touchXY = mPendingAddInfo.dropPos; 948 CellLayout layout = getCellLayout(container, screen); 949 950 boolean foundCellSpan = false; 951 952 ShortcutInfo info = mModel.infoFromShortcutIntent(this, data, null); 953 if (info == null) { 954 return; 955 } 956 final View view = createShortcut(info); 957 958 // First we check if we already know the exact location where we want to add this item. 959 if (cellX >= 0 && cellY >= 0) { 960 cellXY[0] = cellX; 961 cellXY[1] = cellY; 962 foundCellSpan = true; 963 964 // If appropriate, either create a folder or add to an existing folder 965 if (mWorkspace.createUserFolderIfNecessary(view, container, layout, cellXY, 0, 966 true, null,null)) { 967 return; 968 } 969 DragObject dragObject = new DragObject(); 970 dragObject.dragInfo = info; 971 if (mWorkspace.addToExistingFolderIfNecessary(view, layout, cellXY, 0, dragObject, 972 true)) { 973 return; 974 } 975 } else if (touchXY != null) { 976 // when dragging and dropping, just find the closest free spot 977 int[] result = layout.findNearestVacantArea(touchXY[0], touchXY[1], 1, 1, cellXY); 978 foundCellSpan = (result != null); 979 } else { 980 foundCellSpan = layout.findCellForSpan(cellXY, 1, 1); 981 } 982 983 if (!foundCellSpan) { 984 showOutOfSpaceMessage(isHotseatLayout(layout)); 985 return; 986 } 987 988 LauncherModel.addItemToDatabase(this, info, container, screen, cellXY[0], cellXY[1], false); 989 990 if (!mRestoring) { 991 mWorkspace.addInScreen(view, container, screen, cellXY[0], cellXY[1], 1, 1, 992 isWorkspaceLocked()); 993 } 994 } 995 996 static int[] getSpanForWidget(Context context, ComponentName component, int minWidth, 997 int minHeight) { 998 Rect padding = AppWidgetHostView.getDefaultPaddingForWidget(context, component, null); 999 // We want to account for the extra amount of padding that we are adding to the widget 1000 // to ensure that it gets the full amount of space that it has requested 1001 int requiredWidth = minWidth + padding.left + padding.right; 1002 int requiredHeight = minHeight + padding.top + padding.bottom; 1003 return CellLayout.rectToCell(context.getResources(), requiredWidth, requiredHeight, null); 1004 } 1005 1006 static int[] getSpanForWidget(Context context, AppWidgetProviderInfo info) { 1007 return getSpanForWidget(context, info.provider, info.minWidth, info.minHeight); 1008 } 1009 1010 static int[] getMinSpanForWidget(Context context, AppWidgetProviderInfo info) { 1011 return getSpanForWidget(context, info.provider, info.minResizeWidth, info.minResizeHeight); 1012 } 1013 1014 static int[] getSpanForWidget(Context context, PendingAddWidgetInfo info) { 1015 return getSpanForWidget(context, info.componentName, info.minWidth, info.minHeight); 1016 } 1017 1018 static int[] getMinSpanForWidget(Context context, PendingAddWidgetInfo info) { 1019 return getSpanForWidget(context, info.componentName, info.minResizeWidth, 1020 info.minResizeHeight); 1021 } 1022 1023 /** 1024 * Add a widget to the workspace. 1025 * 1026 * @param appWidgetId The app widget id 1027 * @param cellInfo The position on screen where to create the widget. 1028 */ 1029 private void completeAddAppWidget(final int appWidgetId, long container, int screen, 1030 AppWidgetHostView hostView, AppWidgetProviderInfo appWidgetInfo) { 1031 if (appWidgetInfo == null) { 1032 appWidgetInfo = mAppWidgetManager.getAppWidgetInfo(appWidgetId); 1033 } 1034 1035 // Calculate the grid spans needed to fit this widget 1036 CellLayout layout = getCellLayout(container, screen); 1037 1038 int[] minSpanXY = getMinSpanForWidget(this, appWidgetInfo); 1039 int[] spanXY = getSpanForWidget(this, appWidgetInfo); 1040 1041 // Try finding open space on Launcher screen 1042 // We have saved the position to which the widget was dragged-- this really only matters 1043 // if we are placing widgets on a "spring-loaded" screen 1044 int[] cellXY = mTmpAddItemCellCoordinates; 1045 int[] touchXY = mPendingAddInfo.dropPos; 1046 int[] finalSpan = new int[2]; 1047 boolean foundCellSpan = false; 1048 if (mPendingAddInfo.cellX >= 0 && mPendingAddInfo.cellY >= 0) { 1049 cellXY[0] = mPendingAddInfo.cellX; 1050 cellXY[1] = mPendingAddInfo.cellY; 1051 spanXY[0] = mPendingAddInfo.spanX; 1052 spanXY[1] = mPendingAddInfo.spanY; 1053 foundCellSpan = true; 1054 } else if (touchXY != null) { 1055 // when dragging and dropping, just find the closest free spot 1056 int[] result = layout.findNearestVacantArea( 1057 touchXY[0], touchXY[1], minSpanXY[0], minSpanXY[1], spanXY[0], 1058 spanXY[1], cellXY, finalSpan); 1059 spanXY[0] = finalSpan[0]; 1060 spanXY[1] = finalSpan[1]; 1061 foundCellSpan = (result != null); 1062 } else { 1063 foundCellSpan = layout.findCellForSpan(cellXY, minSpanXY[0], minSpanXY[1]); 1064 } 1065 1066 if (!foundCellSpan) { 1067 if (appWidgetId != -1) { 1068 // Deleting an app widget ID is a void call but writes to disk before returning 1069 // to the caller... 1070 new Thread("deleteAppWidgetId") { 1071 public void run() { 1072 mAppWidgetHost.deleteAppWidgetId(appWidgetId); 1073 } 1074 }.start(); 1075 } 1076 showOutOfSpaceMessage(isHotseatLayout(layout)); 1077 return; 1078 } 1079 1080 // Build Launcher-specific widget info and save to database 1081 LauncherAppWidgetInfo launcherInfo = new LauncherAppWidgetInfo(appWidgetId, 1082 appWidgetInfo.provider); 1083 launcherInfo.spanX = spanXY[0]; 1084 launcherInfo.spanY = spanXY[1]; 1085 launcherInfo.minSpanX = mPendingAddInfo.minSpanX; 1086 launcherInfo.minSpanY = mPendingAddInfo.minSpanY; 1087 1088 LauncherModel.addItemToDatabase(this, launcherInfo, 1089 container, screen, cellXY[0], cellXY[1], false); 1090 1091 if (!mRestoring) { 1092 if (hostView == null) { 1093 // Perform actual inflation because we're live 1094 launcherInfo.hostView = mAppWidgetHost.createView(this, appWidgetId, appWidgetInfo); 1095 launcherInfo.hostView.setAppWidget(appWidgetId, appWidgetInfo); 1096 } else { 1097 // The AppWidgetHostView has already been inflated and instantiated 1098 launcherInfo.hostView = hostView; 1099 } 1100 1101 launcherInfo.hostView.setTag(launcherInfo); 1102 launcherInfo.hostView.setVisibility(View.VISIBLE); 1103 AppWidgetResizeFrame.updateWidgetSizeRanges(launcherInfo.hostView, 1104 this, launcherInfo.spanX, launcherInfo.spanY); 1105 mWorkspace.addInScreen(launcherInfo.hostView, container, screen, cellXY[0], cellXY[1], 1106 launcherInfo.spanX, launcherInfo.spanY, isWorkspaceLocked()); 1107 1108 addWidgetToAutoAdvanceIfNeeded(launcherInfo.hostView, appWidgetInfo); 1109 } 1110 resetAddInfo(); 1111 } 1112 1113 private final BroadcastReceiver mReceiver = new BroadcastReceiver() { 1114 @Override 1115 public void onReceive(Context context, Intent intent) { 1116 final String action = intent.getAction(); 1117 if (Intent.ACTION_SCREEN_OFF.equals(action)) { 1118 mUserPresent = false; 1119 mDragLayer.clearAllResizeFrames(); 1120 updateRunning(); 1121 1122 // Reset AllApps to its initial state only if we are not in the middle of 1123 // processing a multi-step drop 1124 if (mAppsCustomizeTabHost != null && mPendingAddInfo.container == ItemInfo.NO_ID) { 1125 mAppsCustomizeTabHost.reset(); 1126 showWorkspace(false); 1127 } 1128 } else if (Intent.ACTION_USER_PRESENT.equals(action)) { 1129 mUserPresent = true; 1130 updateRunning(); 1131 } 1132 } 1133 }; 1134 1135 @Override 1136 public void onAttachedToWindow() { 1137 super.onAttachedToWindow(); 1138 1139 // Listen for broadcasts related to user-presence 1140 final IntentFilter filter = new IntentFilter(); 1141 filter.addAction(Intent.ACTION_SCREEN_OFF); 1142 filter.addAction(Intent.ACTION_USER_PRESENT); 1143 registerReceiver(mReceiver, filter); 1144 1145 mAttached = true; 1146 mVisible = true; 1147 } 1148 1149 @Override 1150 public void onDetachedFromWindow() { 1151 super.onDetachedFromWindow(); 1152 mVisible = false; 1153 1154 if (mAttached) { 1155 unregisterReceiver(mReceiver); 1156 mAttached = false; 1157 } 1158 updateRunning(); 1159 } 1160 1161 public void onWindowVisibilityChanged(int visibility) { 1162 mVisible = visibility == View.VISIBLE; 1163 updateRunning(); 1164 // The following code used to be in onResume, but it turns out onResume is called when 1165 // you're in All Apps and click home to go to the workspace. onWindowVisibilityChanged 1166 // is a more appropriate event to handle 1167 if (mVisible) { 1168 mAppsCustomizeTabHost.onWindowVisible(); 1169 if (!mWorkspaceLoading) { 1170 final ViewTreeObserver observer = mWorkspace.getViewTreeObserver(); 1171 // We want to let Launcher draw itself at least once before we force it to build 1172 // layers on all the workspace pages, so that transitioning to Launcher from other 1173 // apps is nice and speedy. Usually the first call to preDraw doesn't correspond to 1174 // a true draw so we wait until the second preDraw call to be safe 1175 observer.addOnPreDrawListener(new ViewTreeObserver.OnPreDrawListener() { 1176 public boolean onPreDraw() { 1177 // We delay the layer building a bit in order to give 1178 // other message processing a time to run. In particular 1179 // this avoids a delay in hiding the IME if it was 1180 // currently shown, because doing that may involve 1181 // some communication back with the app. 1182 mWorkspace.postDelayed(mBuildLayersRunnable, 500); 1183 observer.removeOnPreDrawListener(this); 1184 return true; 1185 } 1186 }); 1187 } 1188 // When Launcher comes back to foreground, a different Activity might be responsible for 1189 // the app market intent, so refresh the icon 1190 updateAppMarketIcon(); 1191 clearTypedText(); 1192 } 1193 } 1194 1195 private void sendAdvanceMessage(long delay) { 1196 mHandler.removeMessages(ADVANCE_MSG); 1197 Message msg = mHandler.obtainMessage(ADVANCE_MSG); 1198 mHandler.sendMessageDelayed(msg, delay); 1199 mAutoAdvanceSentTime = System.currentTimeMillis(); 1200 } 1201 1202 private void updateRunning() { 1203 boolean autoAdvanceRunning = mVisible && mUserPresent && !mWidgetsToAdvance.isEmpty(); 1204 if (autoAdvanceRunning != mAutoAdvanceRunning) { 1205 mAutoAdvanceRunning = autoAdvanceRunning; 1206 if (autoAdvanceRunning) { 1207 long delay = mAutoAdvanceTimeLeft == -1 ? mAdvanceInterval : mAutoAdvanceTimeLeft; 1208 sendAdvanceMessage(delay); 1209 } else { 1210 if (!mWidgetsToAdvance.isEmpty()) { 1211 mAutoAdvanceTimeLeft = Math.max(0, mAdvanceInterval - 1212 (System.currentTimeMillis() - mAutoAdvanceSentTime)); 1213 } 1214 mHandler.removeMessages(ADVANCE_MSG); 1215 mHandler.removeMessages(0); // Remove messages sent using postDelayed() 1216 } 1217 } 1218 } 1219 1220 private final Handler mHandler = new Handler() { 1221 @Override 1222 public void handleMessage(Message msg) { 1223 if (msg.what == ADVANCE_MSG) { 1224 int i = 0; 1225 for (View key: mWidgetsToAdvance.keySet()) { 1226 final View v = key.findViewById(mWidgetsToAdvance.get(key).autoAdvanceViewId); 1227 final int delay = mAdvanceStagger * i; 1228 if (v instanceof Advanceable) { 1229 postDelayed(new Runnable() { 1230 public void run() { 1231 ((Advanceable) v).advance(); 1232 } 1233 }, delay); 1234 } 1235 i++; 1236 } 1237 sendAdvanceMessage(mAdvanceInterval); 1238 } 1239 } 1240 }; 1241 1242 void addWidgetToAutoAdvanceIfNeeded(View hostView, AppWidgetProviderInfo appWidgetInfo) { 1243 if (appWidgetInfo == null || appWidgetInfo.autoAdvanceViewId == -1) return; 1244 View v = hostView.findViewById(appWidgetInfo.autoAdvanceViewId); 1245 if (v instanceof Advanceable) { 1246 mWidgetsToAdvance.put(hostView, appWidgetInfo); 1247 ((Advanceable) v).fyiWillBeAdvancedByHostKThx(); 1248 updateRunning(); 1249 } 1250 } 1251 1252 void removeWidgetToAutoAdvance(View hostView) { 1253 if (mWidgetsToAdvance.containsKey(hostView)) { 1254 mWidgetsToAdvance.remove(hostView); 1255 updateRunning(); 1256 } 1257 } 1258 1259 public void removeAppWidget(LauncherAppWidgetInfo launcherInfo) { 1260 removeWidgetToAutoAdvance(launcherInfo.hostView); 1261 launcherInfo.hostView = null; 1262 } 1263 1264 void showOutOfSpaceMessage(boolean isHotseatLayout) { 1265 int strId = (isHotseatLayout ? R.string.hotseat_out_of_space : R.string.out_of_space); 1266 Toast.makeText(this, getString(strId), Toast.LENGTH_SHORT).show(); 1267 } 1268 1269 public LauncherAppWidgetHost getAppWidgetHost() { 1270 return mAppWidgetHost; 1271 } 1272 1273 public LauncherModel getModel() { 1274 return mModel; 1275 } 1276 1277 void closeSystemDialogs() { 1278 getWindow().closeAllPanels(); 1279 1280 // Whatever we were doing is hereby canceled. 1281 mWaitingForResult = false; 1282 } 1283 1284 @Override 1285 protected void onNewIntent(Intent intent) { 1286 super.onNewIntent(intent); 1287 1288 // Close the menu 1289 if (Intent.ACTION_MAIN.equals(intent.getAction())) { 1290 // also will cancel mWaitingForResult. 1291 closeSystemDialogs(); 1292 1293 boolean alreadyOnHome = ((intent.getFlags() & Intent.FLAG_ACTIVITY_BROUGHT_TO_FRONT) 1294 != Intent.FLAG_ACTIVITY_BROUGHT_TO_FRONT); 1295 1296 Folder openFolder = mWorkspace.getOpenFolder(); 1297 // In all these cases, only animate if we're already on home 1298 mWorkspace.exitWidgetResizeMode(); 1299 if (alreadyOnHome && mState == State.WORKSPACE && !mWorkspace.isTouchActive() && 1300 openFolder == null) { 1301 mWorkspace.moveToDefaultScreen(true); 1302 } 1303 1304 closeFolder(); 1305 exitSpringLoadedDragMode(); 1306 showWorkspace(alreadyOnHome); 1307 1308 final View v = getWindow().peekDecorView(); 1309 if (v != null && v.getWindowToken() != null) { 1310 InputMethodManager imm = (InputMethodManager)getSystemService( 1311 INPUT_METHOD_SERVICE); 1312 imm.hideSoftInputFromWindow(v.getWindowToken(), 0); 1313 } 1314 1315 // Reset AllApps to its initial state 1316 if (!alreadyOnHome && mAppsCustomizeTabHost != null) { 1317 mAppsCustomizeTabHost.reset(); 1318 } 1319 } 1320 } 1321 1322 @Override 1323 protected void onRestoreInstanceState(Bundle savedInstanceState) { 1324 // Do not call super here 1325 mSavedInstanceState = savedInstanceState; 1326 } 1327 1328 @Override 1329 protected void onSaveInstanceState(Bundle outState) { 1330 outState.putInt(RUNTIME_STATE_CURRENT_SCREEN, mWorkspace.getCurrentPage()); 1331 super.onSaveInstanceState(outState); 1332 1333 outState.putInt(RUNTIME_STATE, mState.ordinal()); 1334 // We close any open folder since it will not be re-opened, and we need to make sure 1335 // this state is reflected. 1336 closeFolder(); 1337 1338 if (mPendingAddInfo.container != ItemInfo.NO_ID && mPendingAddInfo.screen > -1 && 1339 mWaitingForResult) { 1340 outState.putLong(RUNTIME_STATE_PENDING_ADD_CONTAINER, mPendingAddInfo.container); 1341 outState.putInt(RUNTIME_STATE_PENDING_ADD_SCREEN, mPendingAddInfo.screen); 1342 outState.putInt(RUNTIME_STATE_PENDING_ADD_CELL_X, mPendingAddInfo.cellX); 1343 outState.putInt(RUNTIME_STATE_PENDING_ADD_CELL_Y, mPendingAddInfo.cellY); 1344 } 1345 1346 if (mFolderInfo != null && mWaitingForResult) { 1347 outState.putBoolean(RUNTIME_STATE_PENDING_FOLDER_RENAME, true); 1348 outState.putLong(RUNTIME_STATE_PENDING_FOLDER_RENAME_ID, mFolderInfo.id); 1349 } 1350 1351 // Save the current AppsCustomize tab 1352 if (mAppsCustomizeTabHost != null) { 1353 String currentTabTag = mAppsCustomizeTabHost.getCurrentTabTag(); 1354 if (currentTabTag != null) { 1355 outState.putString("apps_customize_currentTab", currentTabTag); 1356 } 1357 int currentIndex = mAppsCustomizeContent.getSaveInstanceStateIndex(); 1358 outState.putInt("apps_customize_currentIndex", currentIndex); 1359 } 1360 } 1361 1362 @Override 1363 public void onDestroy() { 1364 super.onDestroy(); 1365 1366 // Remove all pending runnables 1367 mHandler.removeMessages(ADVANCE_MSG); 1368 mHandler.removeMessages(0); 1369 mWorkspace.removeCallbacks(mBuildLayersRunnable); 1370 1371 // Stop callbacks from LauncherModel 1372 LauncherApplication app = ((LauncherApplication) getApplication()); 1373 mModel.stopLoader(); 1374 app.setLauncher(null); 1375 1376 try { 1377 mAppWidgetHost.stopListening(); 1378 } catch (NullPointerException ex) { 1379 Log.w(TAG, "problem while stopping AppWidgetHost during Launcher destruction", ex); 1380 } 1381 mAppWidgetHost = null; 1382 1383 mWidgetsToAdvance.clear(); 1384 1385 TextKeyListener.getInstance().release(); 1386 1387 1388 unbindWorkspaceAndHotseatItems(); 1389 1390 getContentResolver().unregisterContentObserver(mWidgetObserver); 1391 unregisterReceiver(mCloseSystemDialogsReceiver); 1392 1393 mDragLayer.clearAllResizeFrames(); 1394 ((ViewGroup) mWorkspace.getParent()).removeAllViews(); 1395 mWorkspace.removeAllViews(); 1396 mWorkspace = null; 1397 mDragController = null; 1398 1399 ValueAnimator.clearAllAnimations(); 1400 } 1401 1402 public DragController getDragController() { 1403 return mDragController; 1404 } 1405 1406 @Override 1407 public void startActivityForResult(Intent intent, int requestCode) { 1408 if (requestCode >= 0) mWaitingForResult = true; 1409 super.startActivityForResult(intent, requestCode); 1410 } 1411 1412 /** 1413 * Indicates that we want global search for this activity by setting the globalSearch 1414 * argument for {@link #startSearch} to true. 1415 */ 1416 @Override 1417 public void startSearch(String initialQuery, boolean selectInitialQuery, 1418 Bundle appSearchData, boolean globalSearch) { 1419 1420 showWorkspace(true); 1421 1422 if (initialQuery == null) { 1423 // Use any text typed in the launcher as the initial query 1424 initialQuery = getTypedText(); 1425 } 1426 if (appSearchData == null) { 1427 appSearchData = new Bundle(); 1428 appSearchData.putString(Search.SOURCE, "launcher-search"); 1429 } 1430 Rect sourceBounds = mSearchDropTargetBar.getSearchBarBounds(); 1431 1432 final SearchManager searchManager = 1433 (SearchManager) getSystemService(Context.SEARCH_SERVICE); 1434 searchManager.startSearch(initialQuery, selectInitialQuery, getComponentName(), 1435 appSearchData, globalSearch, sourceBounds); 1436 } 1437 1438 @Override 1439 public boolean onCreateOptionsMenu(Menu menu) { 1440 if (isWorkspaceLocked()) { 1441 return false; 1442 } 1443 1444 super.onCreateOptionsMenu(menu); 1445 1446 Intent manageApps = new Intent(Settings.ACTION_MANAGE_ALL_APPLICATIONS_SETTINGS); 1447 manageApps.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK 1448 | Intent.FLAG_ACTIVITY_EXCLUDE_FROM_RECENTS); 1449 Intent settings = new Intent(android.provider.Settings.ACTION_SETTINGS); 1450 settings.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK 1451 | Intent.FLAG_ACTIVITY_RESET_TASK_IF_NEEDED); 1452 String helpUrl = getString(R.string.help_url); 1453 Intent help = new Intent(Intent.ACTION_VIEW, Uri.parse(helpUrl)); 1454 help.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK 1455 | Intent.FLAG_ACTIVITY_EXCLUDE_FROM_RECENTS); 1456 1457 menu.add(MENU_GROUP_WALLPAPER, MENU_WALLPAPER_SETTINGS, 0, R.string.menu_wallpaper) 1458 .setIcon(android.R.drawable.ic_menu_gallery) 1459 .setAlphabeticShortcut('W'); 1460 menu.add(0, MENU_MANAGE_APPS, 0, R.string.menu_manage_apps) 1461 .setIcon(android.R.drawable.ic_menu_manage) 1462 .setIntent(manageApps) 1463 .setAlphabeticShortcut('M'); 1464 menu.add(0, MENU_SYSTEM_SETTINGS, 0, R.string.menu_settings) 1465 .setIcon(android.R.drawable.ic_menu_preferences) 1466 .setIntent(settings) 1467 .setAlphabeticShortcut('P'); 1468 if (!helpUrl.isEmpty()) { 1469 menu.add(0, MENU_HELP, 0, R.string.menu_help) 1470 .setIcon(android.R.drawable.ic_menu_help) 1471 .setIntent(help) 1472 .setAlphabeticShortcut('H'); 1473 } 1474 return true; 1475 } 1476 1477 @Override 1478 public boolean onPrepareOptionsMenu(Menu menu) { 1479 super.onPrepareOptionsMenu(menu); 1480 1481 if (mAppsCustomizeTabHost.isTransitioning()) { 1482 return false; 1483 } 1484 boolean allAppsVisible = (mAppsCustomizeTabHost.getVisibility() == View.VISIBLE); 1485 menu.setGroupVisible(MENU_GROUP_WALLPAPER, !allAppsVisible); 1486 1487 return true; 1488 } 1489 1490 @Override 1491 public boolean onOptionsItemSelected(MenuItem item) { 1492 switch (item.getItemId()) { 1493 case MENU_WALLPAPER_SETTINGS: 1494 startWallpaper(); 1495 return true; 1496 } 1497 1498 return super.onOptionsItemSelected(item); 1499 } 1500 1501 @Override 1502 public boolean onSearchRequested() { 1503 startSearch(null, false, null, true); 1504 // Use a custom animation for launching search 1505 overridePendingTransition(R.anim.fade_in_fast, R.anim.fade_out_fast); 1506 return true; 1507 } 1508 1509 public boolean isWorkspaceLocked() { 1510 return mWorkspaceLoading || mWaitingForResult; 1511 } 1512 1513 private void resetAddInfo() { 1514 mPendingAddInfo.container = ItemInfo.NO_ID; 1515 mPendingAddInfo.screen = -1; 1516 mPendingAddInfo.cellX = mPendingAddInfo.cellY = -1; 1517 mPendingAddInfo.spanX = mPendingAddInfo.spanY = -1; 1518 mPendingAddInfo.minSpanX = mPendingAddInfo.minSpanY = -1; 1519 mPendingAddInfo.dropPos = null; 1520 } 1521 1522 void addAppWidgetFromPick(Intent data) { 1523 // TODO: catch bad widget exception when sent 1524 int appWidgetId = data.getIntExtra(AppWidgetManager.EXTRA_APPWIDGET_ID, -1); 1525 // TODO: Is this log message meaningful? 1526 if (LOGD) Log.d(TAG, "dumping extras content=" + data.getExtras()); 1527 addAppWidgetImpl(appWidgetId, null); 1528 } 1529 1530 void addAppWidgetImpl(final int appWidgetId, final PendingAddWidgetInfo info) { 1531 final AppWidgetProviderInfo appWidget = info.info; 1532 if (appWidget.configure != null) { 1533 // Launch over to configure widget, if needed 1534 Intent intent = new Intent(AppWidgetManager.ACTION_APPWIDGET_CONFIGURE); 1535 intent.setComponent(appWidget.configure); 1536 intent.putExtra(AppWidgetManager.EXTRA_APPWIDGET_ID, appWidgetId); 1537 startActivityForResultSafely(intent, REQUEST_CREATE_APPWIDGET); 1538 mWidgetBeingBoundOrConfigured = info; 1539 } else { 1540 // Otherwise just add it 1541 completeAddAppWidget(appWidgetId, info.container, info.screen, info.boundWidget, appWidget); 1542 // Exit spring loaded mode if necessary after adding the widget 1543 exitSpringLoadedDragModeDelayed(true, false, null); 1544 } 1545 } 1546 1547 /** 1548 * Process a shortcut drop. 1549 * 1550 * @param componentName The name of the component 1551 * @param screen The screen where it should be added 1552 * @param cell The cell it should be added to, optional 1553 * @param position The location on the screen where it was dropped, optional 1554 */ 1555 void processShortcutFromDrop(ComponentName componentName, long container, int screen, 1556 int[] cell, int[] loc) { 1557 resetAddInfo(); 1558 mPendingAddInfo.container = container; 1559 mPendingAddInfo.screen = screen; 1560 mPendingAddInfo.dropPos = loc; 1561 1562 if (cell != null) { 1563 mPendingAddInfo.cellX = cell[0]; 1564 mPendingAddInfo.cellY = cell[1]; 1565 } 1566 1567 Intent createShortcutIntent = new Intent(Intent.ACTION_CREATE_SHORTCUT); 1568 createShortcutIntent.setComponent(componentName); 1569 processShortcut(createShortcutIntent); 1570 } 1571 1572 /** 1573 * Process a widget drop. 1574 * 1575 * @param info The PendingAppWidgetInfo of the widget being added. 1576 * @param screen The screen where it should be added 1577 * @param cell The cell it should be added to, optional 1578 * @param position The location on the screen where it was dropped, optional 1579 */ 1580 void addAppWidgetFromDrop(PendingAddWidgetInfo info, long container, int screen, 1581 int[] cell, int[] span, int[] loc) { 1582 resetAddInfo(); 1583 mPendingAddInfo.container = info.container = container; 1584 mPendingAddInfo.screen = info.screen = screen; 1585 mPendingAddInfo.dropPos = loc; 1586 mPendingAddInfo.minSpanX = info.minSpanX; 1587 mPendingAddInfo.minSpanY = info.minSpanY; 1588 1589 if (cell != null) { 1590 mPendingAddInfo.cellX = cell[0]; 1591 mPendingAddInfo.cellY = cell[1]; 1592 } 1593 if (span != null) { 1594 mPendingAddInfo.spanX = span[0]; 1595 mPendingAddInfo.spanY = span[1]; 1596 } 1597 1598 AppWidgetHostView hostView = info.boundWidget; 1599 int appWidgetId; 1600 if (hostView != null) { 1601 appWidgetId = hostView.getAppWidgetId(); 1602 addAppWidgetImpl(appWidgetId, info); 1603 } else { 1604 appWidgetId = getAppWidgetHost().allocateAppWidgetId(); 1605 mWidgetBeingBoundOrConfigured = info; 1606 if (mAppWidgetManager.bindAppWidgetIdIfAllowed(appWidgetId, info.componentName)) { 1607 addAppWidgetImpl(appWidgetId, info); 1608 } else { 1609 Intent intent = new Intent(AppWidgetManager.ACTION_APPWIDGET_BIND); 1610 intent.putExtra(AppWidgetManager.EXTRA_APPWIDGET_ID, appWidgetId); 1611 intent.putExtra(AppWidgetManager.EXTRA_APPWIDGET_PROVIDER, info.componentName); 1612 startActivityForResult(intent, REQUEST_BIND_APPWIDGET); 1613 } 1614 } 1615 } 1616 1617 void processShortcut(Intent intent) { 1618 // Handle case where user selected "Applications" 1619 String applicationName = getResources().getString(R.string.group_applications); 1620 String shortcutName = intent.getStringExtra(Intent.EXTRA_SHORTCUT_NAME); 1621 1622 if (applicationName != null && applicationName.equals(shortcutName)) { 1623 Intent mainIntent = new Intent(Intent.ACTION_MAIN, null); 1624 mainIntent.addCategory(Intent.CATEGORY_LAUNCHER); 1625 1626 Intent pickIntent = new Intent(Intent.ACTION_PICK_ACTIVITY); 1627 pickIntent.putExtra(Intent.EXTRA_INTENT, mainIntent); 1628 pickIntent.putExtra(Intent.EXTRA_TITLE, getText(R.string.title_select_application)); 1629 startActivityForResultSafely(pickIntent, REQUEST_PICK_APPLICATION); 1630 } else { 1631 startActivityForResultSafely(intent, REQUEST_CREATE_SHORTCUT); 1632 } 1633 } 1634 1635 void processWallpaper(Intent intent) { 1636 startActivityForResult(intent, REQUEST_PICK_WALLPAPER); 1637 } 1638 1639 FolderIcon addFolder(CellLayout layout, long container, final int screen, int cellX, 1640 int cellY) { 1641 final FolderInfo folderInfo = new FolderInfo(); 1642 folderInfo.title = getText(R.string.folder_name); 1643 1644 // Update the model 1645 LauncherModel.addItemToDatabase(Launcher.this, folderInfo, container, screen, cellX, cellY, 1646 false); 1647 sFolders.put(folderInfo.id, folderInfo); 1648 1649 // Create the view 1650 FolderIcon newFolder = 1651 FolderIcon.fromXml(R.layout.folder_icon, this, layout, folderInfo, mIconCache); 1652 mWorkspace.addInScreen(newFolder, container, screen, cellX, cellY, 1, 1, 1653 isWorkspaceLocked()); 1654 return newFolder; 1655 } 1656 1657 void removeFolder(FolderInfo folder) { 1658 sFolders.remove(folder.id); 1659 } 1660 1661 private void startWallpaper() { 1662 showWorkspace(true); 1663 final Intent pickWallpaper = new Intent(Intent.ACTION_SET_WALLPAPER); 1664 Intent chooser = Intent.createChooser(pickWallpaper, 1665 getText(R.string.chooser_wallpaper)); 1666 // NOTE: Adds a configure option to the chooser if the wallpaper supports it 1667 // Removed in Eclair MR1 1668// WallpaperManager wm = (WallpaperManager) 1669// getSystemService(Context.WALLPAPER_SERVICE); 1670// WallpaperInfo wi = wm.getWallpaperInfo(); 1671// if (wi != null && wi.getSettingsActivity() != null) { 1672// LabeledIntent li = new LabeledIntent(getPackageName(), 1673// R.string.configure_wallpaper, 0); 1674// li.setClassName(wi.getPackageName(), wi.getSettingsActivity()); 1675// chooser.putExtra(Intent.EXTRA_INITIAL_INTENTS, new Intent[] { li }); 1676// } 1677 startActivityForResult(chooser, REQUEST_PICK_WALLPAPER); 1678 } 1679 1680 /** 1681 * Registers various content observers. The current implementation registers 1682 * only a favorites observer to keep track of the favorites applications. 1683 */ 1684 private void registerContentObservers() { 1685 ContentResolver resolver = getContentResolver(); 1686 resolver.registerContentObserver(LauncherProvider.CONTENT_APPWIDGET_RESET_URI, 1687 true, mWidgetObserver); 1688 } 1689 1690 @Override 1691 public boolean dispatchKeyEvent(KeyEvent event) { 1692 if (event.getAction() == KeyEvent.ACTION_DOWN) { 1693 switch (event.getKeyCode()) { 1694 case KeyEvent.KEYCODE_HOME: 1695 return true; 1696 case KeyEvent.KEYCODE_VOLUME_DOWN: 1697 if (SystemProperties.getInt("debug.launcher2.dumpstate", 0) != 0) { 1698 dumpState(); 1699 return true; 1700 } 1701 break; 1702 } 1703 } else if (event.getAction() == KeyEvent.ACTION_UP) { 1704 switch (event.getKeyCode()) { 1705 case KeyEvent.KEYCODE_HOME: 1706 return true; 1707 } 1708 } 1709 1710 return super.dispatchKeyEvent(event); 1711 } 1712 1713 @Override 1714 public void onBackPressed() { 1715 if (mState == State.APPS_CUSTOMIZE) { 1716 showWorkspace(true); 1717 } else if (mWorkspace.getOpenFolder() != null) { 1718 Folder openFolder = mWorkspace.getOpenFolder(); 1719 if (openFolder.isEditingName()) { 1720 openFolder.dismissEditingName(); 1721 } else { 1722 closeFolder(); 1723 } 1724 } else { 1725 mWorkspace.exitWidgetResizeMode(); 1726 1727 // Back button is a no-op here, but give at least some feedback for the button press 1728 mWorkspace.showOutlinesTemporarily(); 1729 } 1730 } 1731 1732 /** 1733 * Re-listen when widgets are reset. 1734 */ 1735 private void onAppWidgetReset() { 1736 if (mAppWidgetHost != null) { 1737 mAppWidgetHost.startListening(); 1738 } 1739 } 1740 1741 /** 1742 * Go through the and disconnect any of the callbacks in the drawables and the views or we 1743 * leak the previous Home screen on orientation change. 1744 */ 1745 private void unbindWorkspaceAndHotseatItems() { 1746 if (mModel != null) { 1747 mModel.unbindWorkspaceItems(); 1748 } 1749 } 1750 1751 /** 1752 * Launches the intent referred by the clicked shortcut. 1753 * 1754 * @param v The view representing the clicked shortcut. 1755 */ 1756 public void onClick(View v) { 1757 // Make sure that rogue clicks don't get through while allapps is launching, or after the 1758 // view has detached (it's possible for this to happen if the view is removed mid touch). 1759 if (v.getWindowToken() == null) { 1760 return; 1761 } 1762 1763 if (!mWorkspace.isFinishedSwitchingState()) { 1764 return; 1765 } 1766 1767 Object tag = v.getTag(); 1768 if (tag instanceof ShortcutInfo) { 1769 // Open shortcut 1770 final Intent intent = ((ShortcutInfo) tag).intent; 1771 int[] pos = new int[2]; 1772 v.getLocationOnScreen(pos); 1773 intent.setSourceBounds(new Rect(pos[0], pos[1], 1774 pos[0] + v.getWidth(), pos[1] + v.getHeight())); 1775 1776 boolean success = startActivitySafely(v, intent, tag); 1777 1778 if (success && v instanceof BubbleTextView) { 1779 mWaitingForResume = (BubbleTextView) v; 1780 mWaitingForResume.setStayPressed(true); 1781 } 1782 } else if (tag instanceof FolderInfo) { 1783 if (v instanceof FolderIcon) { 1784 FolderIcon fi = (FolderIcon) v; 1785 handleFolderClick(fi); 1786 } 1787 } else if (v == mAllAppsButton) { 1788 if (mState == State.APPS_CUSTOMIZE) { 1789 showWorkspace(true); 1790 } else { 1791 onClickAllAppsButton(v); 1792 } 1793 } 1794 } 1795 1796 public boolean onTouch(View v, MotionEvent event) { 1797 // this is an intercepted event being forwarded from mWorkspace; 1798 // clicking anywhere on the workspace causes the customization drawer to slide down 1799 showWorkspace(true); 1800 return false; 1801 } 1802 1803 /** 1804 * Event handler for the search button 1805 * 1806 * @param v The view that was clicked. 1807 */ 1808 public void onClickSearchButton(View v) { 1809 v.performHapticFeedback(HapticFeedbackConstants.VIRTUAL_KEY); 1810 1811 onSearchRequested(); 1812 } 1813 1814 /** 1815 * Event handler for the voice button 1816 * 1817 * @param v The view that was clicked. 1818 */ 1819 public void onClickVoiceButton(View v) { 1820 v.performHapticFeedback(HapticFeedbackConstants.VIRTUAL_KEY); 1821 1822 try { 1823 final SearchManager searchManager = 1824 (SearchManager) getSystemService(Context.SEARCH_SERVICE); 1825 ComponentName activityName = searchManager.getGlobalSearchActivity(); 1826 Intent intent = new Intent(RecognizerIntent.ACTION_WEB_SEARCH); 1827 intent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK 1828 | Intent.FLAG_ACTIVITY_EXCLUDE_FROM_RECENTS); 1829 if (activityName != null) { 1830 intent.setPackage(activityName.getPackageName()); 1831 } 1832 startActivitySafely(null, intent, "onClickVoiceButton"); 1833 } catch (ActivityNotFoundException e) { 1834 Intent intent = new Intent(RecognizerIntent.ACTION_WEB_SEARCH); 1835 intent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK 1836 | Intent.FLAG_ACTIVITY_EXCLUDE_FROM_RECENTS); 1837 startActivitySafely(null, intent, "onClickVoiceButton"); 1838 } 1839 } 1840 1841 /** 1842 * Event handler for the "grid" button that appears on the home screen, which 1843 * enters all apps mode. 1844 * 1845 * @param v The view that was clicked. 1846 */ 1847 public void onClickAllAppsButton(View v) { 1848 showAllApps(true); 1849 } 1850 1851 public void onTouchDownAllAppsButton(View v) { 1852 // Provide the same haptic feedback that the system offers for virtual keys. 1853 v.performHapticFeedback(HapticFeedbackConstants.VIRTUAL_KEY); 1854 } 1855 1856 public void onClickAppMarketButton(View v) { 1857 if (mAppMarketIntent != null) { 1858 startActivitySafely(v, mAppMarketIntent, "app market"); 1859 } else { 1860 Log.e(TAG, "Invalid app market intent."); 1861 } 1862 } 1863 1864 void startApplicationDetailsActivity(ComponentName componentName) { 1865 String packageName = componentName.getPackageName(); 1866 Intent intent = new Intent(Settings.ACTION_APPLICATION_DETAILS_SETTINGS, 1867 Uri.fromParts("package", packageName, null)); 1868 intent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK | Intent.FLAG_ACTIVITY_EXCLUDE_FROM_RECENTS); 1869 startActivitySafely(null, intent, "startApplicationDetailsActivity"); 1870 } 1871 1872 void startApplicationUninstallActivity(ApplicationInfo appInfo) { 1873 if ((appInfo.flags & ApplicationInfo.DOWNLOADED_FLAG) == 0) { 1874 // System applications cannot be installed. For now, show a toast explaining that. 1875 // We may give them the option of disabling apps this way. 1876 int messageId = R.string.uninstall_system_app_text; 1877 Toast.makeText(this, messageId, Toast.LENGTH_SHORT).show(); 1878 } else { 1879 String packageName = appInfo.componentName.getPackageName(); 1880 String className = appInfo.componentName.getClassName(); 1881 Intent intent = new Intent( 1882 Intent.ACTION_DELETE, Uri.fromParts("package", packageName, className)); 1883 intent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK | 1884 Intent.FLAG_ACTIVITY_EXCLUDE_FROM_RECENTS); 1885 startActivity(intent); 1886 } 1887 } 1888 1889 boolean startActivitySafely(View v, Intent intent, Object tag) { 1890 intent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK); 1891 1892 try { 1893 if (v != null) { 1894 ActivityOptions opts = ActivityOptions.makeScaleUpAnimation(v, 0, 0, 1895 v.getMeasuredWidth(), v.getMeasuredHeight()); 1896 1897 startActivity(intent, opts.toBundle()); 1898 } else { 1899 startActivity(intent); 1900 } 1901 return true; 1902 } catch (ActivityNotFoundException e) { 1903 Toast.makeText(this, R.string.activity_not_found, Toast.LENGTH_SHORT).show(); 1904 Log.e(TAG, "Unable to launch. tag=" + tag + " intent=" + intent, e); 1905 } catch (SecurityException e) { 1906 Toast.makeText(this, R.string.activity_not_found, Toast.LENGTH_SHORT).show(); 1907 Log.e(TAG, "Launcher does not have the permission to launch " + intent + 1908 ". Make sure to create a MAIN intent-filter for the corresponding activity " + 1909 "or use the exported attribute for this activity. " 1910 + "tag="+ tag + " intent=" + intent, e); 1911 } 1912 return false; 1913 } 1914 1915 void startActivityForResultSafely(Intent intent, int requestCode) { 1916 try { 1917 startActivityForResult(intent, requestCode); 1918 } catch (ActivityNotFoundException e) { 1919 Toast.makeText(this, R.string.activity_not_found, Toast.LENGTH_SHORT).show(); 1920 } catch (SecurityException e) { 1921 Toast.makeText(this, R.string.activity_not_found, Toast.LENGTH_SHORT).show(); 1922 Log.e(TAG, "Launcher does not have the permission to launch " + intent + 1923 ". Make sure to create a MAIN intent-filter for the corresponding activity " + 1924 "or use the exported attribute for this activity.", e); 1925 } 1926 } 1927 1928 private void handleFolderClick(FolderIcon folderIcon) { 1929 final FolderInfo info = folderIcon.mInfo; 1930 Folder openFolder = mWorkspace.getFolderForTag(info); 1931 1932 // If the folder info reports that the associated folder is open, then verify that 1933 // it is actually opened. There have been a few instances where this gets out of sync. 1934 if (info.opened && openFolder == null) { 1935 Log.d(TAG, "Folder info marked as open, but associated folder is not open. Screen: " 1936 + info.screen + " (" + info.cellX + ", " + info.cellY + ")"); 1937 info.opened = false; 1938 } 1939 1940 if (!info.opened) { 1941 // Close any open folder 1942 closeFolder(); 1943 // Open the requested folder 1944 openFolder(folderIcon); 1945 } else { 1946 // Find the open folder... 1947 int folderScreen; 1948 if (openFolder != null) { 1949 folderScreen = mWorkspace.getPageForView(openFolder); 1950 // .. and close it 1951 closeFolder(openFolder); 1952 if (folderScreen != mWorkspace.getCurrentPage()) { 1953 // Close any folder open on the current screen 1954 closeFolder(); 1955 // Pull the folder onto this screen 1956 openFolder(folderIcon); 1957 } 1958 } 1959 } 1960 } 1961 1962 private void growAndFadeOutFolderIcon(FolderIcon fi) { 1963 if (fi == null) return; 1964 PropertyValuesHolder alpha = PropertyValuesHolder.ofFloat("alpha", 0); 1965 PropertyValuesHolder scaleX = PropertyValuesHolder.ofFloat("scaleX", 1.5f); 1966 PropertyValuesHolder scaleY = PropertyValuesHolder.ofFloat("scaleY", 1.5f); 1967 1968 FolderInfo info = (FolderInfo) fi.getTag(); 1969 if (info.container == LauncherSettings.Favorites.CONTAINER_HOTSEAT) { 1970 CellLayout cl = (CellLayout) fi.getParent().getParent(); 1971 CellLayout.LayoutParams lp = (CellLayout.LayoutParams) fi.getLayoutParams(); 1972 cl.setFolderLeaveBehindCell(lp.cellX, lp.cellY); 1973 } 1974 1975 ObjectAnimator oa = ObjectAnimator.ofPropertyValuesHolder(fi, alpha, scaleX, scaleY); 1976 oa.setDuration(getResources().getInteger(R.integer.config_folderAnimDuration)); 1977 oa.start(); 1978 } 1979 1980 private void shrinkAndFadeInFolderIcon(FolderIcon fi) { 1981 if (fi == null) return; 1982 PropertyValuesHolder alpha = PropertyValuesHolder.ofFloat("alpha", 1.0f); 1983 PropertyValuesHolder scaleX = PropertyValuesHolder.ofFloat("scaleX", 1.0f); 1984 PropertyValuesHolder scaleY = PropertyValuesHolder.ofFloat("scaleY", 1.0f); 1985 1986 FolderInfo info = (FolderInfo) fi.getTag(); 1987 CellLayout cl = null; 1988 if (info.container == LauncherSettings.Favorites.CONTAINER_HOTSEAT) { 1989 cl = (CellLayout) fi.getParent().getParent(); 1990 } 1991 1992 final CellLayout layout = cl; 1993 ObjectAnimator oa = ObjectAnimator.ofPropertyValuesHolder(fi, alpha, scaleX, scaleY); 1994 oa.setDuration(getResources().getInteger(R.integer.config_folderAnimDuration)); 1995 oa.addListener(new AnimatorListenerAdapter() { 1996 @Override 1997 public void onAnimationEnd(Animator animation) { 1998 if (layout != null) { 1999 layout.clearFolderLeaveBehind(); 2000 } 2001 } 2002 }); 2003 oa.start(); 2004 } 2005 2006 /** 2007 * Opens the user folder described by the specified tag. The opening of the folder 2008 * is animated relative to the specified View. If the View is null, no animation 2009 * is played. 2010 * 2011 * @param folderInfo The FolderInfo describing the folder to open. 2012 */ 2013 public void openFolder(FolderIcon folderIcon) { 2014 Folder folder = folderIcon.mFolder; 2015 FolderInfo info = folder.mInfo; 2016 2017 growAndFadeOutFolderIcon(folderIcon); 2018 info.opened = true; 2019 2020 // Just verify that the folder hasn't already been added to the DragLayer. 2021 // There was a one-off crash where the folder had a parent already. 2022 if (folder.getParent() == null) { 2023 mDragLayer.addView(folder); 2024 mDragController.addDropTarget((DropTarget) folder); 2025 } else { 2026 Log.w(TAG, "Opening folder (" + folder + ") which already has a parent (" + 2027 folder.getParent() + ")."); 2028 } 2029 folder.animateOpen(); 2030 } 2031 2032 public void closeFolder() { 2033 Folder folder = mWorkspace.getOpenFolder(); 2034 if (folder != null) { 2035 if (folder.isEditingName()) { 2036 folder.dismissEditingName(); 2037 } 2038 closeFolder(folder); 2039 2040 // Dismiss the folder cling 2041 dismissFolderCling(null); 2042 } 2043 } 2044 2045 void closeFolder(Folder folder) { 2046 folder.getInfo().opened = false; 2047 2048 ViewGroup parent = (ViewGroup) folder.getParent().getParent(); 2049 if (parent != null) { 2050 FolderIcon fi = (FolderIcon) mWorkspace.getViewForTag(folder.mInfo); 2051 shrinkAndFadeInFolderIcon(fi); 2052 } 2053 folder.animateClosed(); 2054 } 2055 2056 public boolean onLongClick(View v) { 2057 2058 if (mState != State.WORKSPACE) { 2059 return false; 2060 } 2061 2062 if (isWorkspaceLocked()) { 2063 return false; 2064 } 2065 2066 if (!(v instanceof CellLayout)) { 2067 v = (View) v.getParent().getParent(); 2068 } 2069 2070 resetAddInfo(); 2071 CellLayout.CellInfo longClickCellInfo = (CellLayout.CellInfo) v.getTag(); 2072 // This happens when long clicking an item with the dpad/trackball 2073 if (longClickCellInfo == null) { 2074 return true; 2075 } 2076 2077 // The hotseat touch handling does not go through Workspace, and we always allow long press 2078 // on hotseat items. 2079 final View itemUnderLongClick = longClickCellInfo.cell; 2080 boolean allowLongPress = isHotseatLayout(v) || mWorkspace.allowLongPress(); 2081 if (allowLongPress && !mDragController.isDragging()) { 2082 if (itemUnderLongClick == null) { 2083 // User long pressed on empty space 2084 mWorkspace.performHapticFeedback(HapticFeedbackConstants.LONG_PRESS, 2085 HapticFeedbackConstants.FLAG_IGNORE_VIEW_SETTING); 2086 startWallpaper(); 2087 } else { 2088 if (!(itemUnderLongClick instanceof Folder)) { 2089 // User long pressed on an item 2090 mWorkspace.startDrag(longClickCellInfo); 2091 } 2092 } 2093 } 2094 return true; 2095 } 2096 2097 boolean isHotseatLayout(View layout) { 2098 return mHotseat != null && layout != null && 2099 (layout instanceof CellLayout) && (layout == mHotseat.getLayout()); 2100 } 2101 Hotseat getHotseat() { 2102 return mHotseat; 2103 } 2104 SearchDropTargetBar getSearchBar() { 2105 return mSearchDropTargetBar; 2106 } 2107 2108 /** 2109 * Returns the CellLayout of the specified container at the specified screen. 2110 */ 2111 CellLayout getCellLayout(long container, int screen) { 2112 if (container == LauncherSettings.Favorites.CONTAINER_HOTSEAT) { 2113 if (mHotseat != null) { 2114 return mHotseat.getLayout(); 2115 } else { 2116 return null; 2117 } 2118 } else { 2119 return (CellLayout) mWorkspace.getChildAt(screen); 2120 } 2121 } 2122 2123 Workspace getWorkspace() { 2124 return mWorkspace; 2125 } 2126 2127 // Now a part of LauncherModel.Callbacks. Used to reorder loading steps. 2128 public boolean isAllAppsVisible() { 2129 return (mState == State.APPS_CUSTOMIZE); 2130 } 2131 2132 public boolean isAllAppsButtonRank(int rank) { 2133 return mHotseat.isAllAppsButtonRank(rank); 2134 } 2135 2136 // AllAppsView.Watcher 2137 public void zoomed(float zoom) { 2138 if (zoom == 1.0f) { 2139 mWorkspace.setVisibility(View.GONE); 2140 } 2141 } 2142 2143 /** 2144 * Helper method for the cameraZoomIn/cameraZoomOut animations 2145 * @param view The view being animated 2146 * @param state The state that we are moving in or out of (eg. APPS_CUSTOMIZE) 2147 * @param scaleFactor The scale factor used for the zoom 2148 */ 2149 private void setPivotsForZoom(View view, float scaleFactor) { 2150 view.setPivotX(view.getWidth() / 2.0f); 2151 view.setPivotY(view.getHeight() / 2.0f); 2152 } 2153 2154 void updateWallpaperVisibility(boolean visible) { 2155 int wpflags = visible ? WindowManager.LayoutParams.FLAG_SHOW_WALLPAPER : 0; 2156 int curflags = getWindow().getAttributes().flags 2157 & WindowManager.LayoutParams.FLAG_SHOW_WALLPAPER; 2158 if (wpflags != curflags) { 2159 getWindow().setFlags(wpflags, WindowManager.LayoutParams.FLAG_SHOW_WALLPAPER); 2160 } 2161 } 2162 2163 private void dispatchOnLauncherTransitionPrepare(View v, boolean animated, boolean toWorkspace) { 2164 if (v instanceof LauncherTransitionable) { 2165 ((LauncherTransitionable) v).onLauncherTransitionPrepare(this, animated, toWorkspace); 2166 } 2167 } 2168 2169 private void dispatchOnLauncherTransitionStart(View v, boolean animated, boolean toWorkspace) { 2170 if (v instanceof LauncherTransitionable) { 2171 ((LauncherTransitionable) v).onLauncherTransitionStart(this, animated, toWorkspace); 2172 } 2173 2174 // Update the workspace transition step as well 2175 dispatchOnLauncherTransitionStep(v, 0f); 2176 } 2177 2178 private void dispatchOnLauncherTransitionStep(View v, float t) { 2179 if (v instanceof LauncherTransitionable) { 2180 ((LauncherTransitionable) v).onLauncherTransitionStep(this, t); 2181 } 2182 } 2183 2184 private void dispatchOnLauncherTransitionEnd(View v, boolean animated, boolean toWorkspace) { 2185 if (v instanceof LauncherTransitionable) { 2186 ((LauncherTransitionable) v).onLauncherTransitionEnd(this, animated, toWorkspace); 2187 } 2188 2189 // Update the workspace transition step as well 2190 dispatchOnLauncherTransitionStep(v, 1f); 2191 } 2192 2193 /** 2194 * Things to test when changing the following seven functions. 2195 * - Home from workspace 2196 * - from center screen 2197 * - from other screens 2198 * - Home from all apps 2199 * - from center screen 2200 * - from other screens 2201 * - Back from all apps 2202 * - from center screen 2203 * - from other screens 2204 * - Launch app from workspace and quit 2205 * - with back 2206 * - with home 2207 * - Launch app from all apps and quit 2208 * - with back 2209 * - with home 2210 * - Go to a screen that's not the default, then all 2211 * apps, and launch and app, and go back 2212 * - with back 2213 * -with home 2214 * - On workspace, long press power and go back 2215 * - with back 2216 * - with home 2217 * - On all apps, long press power and go back 2218 * - with back 2219 * - with home 2220 * - On workspace, power off 2221 * - On all apps, power off 2222 * - Launch an app and turn off the screen while in that app 2223 * - Go back with home key 2224 * - Go back with back key TODO: make this not go to workspace 2225 * - From all apps 2226 * - From workspace 2227 * - Enter and exit car mode (becuase it causes an extra configuration changed) 2228 * - From all apps 2229 * - From the center workspace 2230 * - From another workspace 2231 */ 2232 2233 /** 2234 * Zoom the camera out from the workspace to reveal 'toView'. 2235 * Assumes that the view to show is anchored at either the very top or very bottom 2236 * of the screen. 2237 */ 2238 private void showAppsCustomizeHelper(final boolean animated, final boolean springLoaded) { 2239 if (mStateAnimation != null) { 2240 mStateAnimation.cancel(); 2241 mStateAnimation = null; 2242 } 2243 final Resources res = getResources(); 2244 2245 final int duration = res.getInteger(R.integer.config_appsCustomizeZoomInTime); 2246 final int fadeDuration = res.getInteger(R.integer.config_appsCustomizeFadeInTime); 2247 final float scale = (float) res.getInteger(R.integer.config_appsCustomizeZoomScaleFactor); 2248 final View fromView = mWorkspace; 2249 final AppsCustomizeTabHost toView = mAppsCustomizeTabHost; 2250 final int startDelay = 2251 res.getInteger(R.integer.config_workspaceAppsCustomizeAnimationStagger); 2252 2253 setPivotsForZoom(toView, scale); 2254 2255 // Shrink workspaces away if going to AppsCustomize from workspace 2256 Animator workspaceAnim = 2257 mWorkspace.getChangeStateAnimation(Workspace.State.SMALL, animated); 2258 2259 if (animated) { 2260 toView.setScaleX(scale); 2261 toView.setScaleY(scale); 2262 final LauncherViewPropertyAnimator scaleAnim = new LauncherViewPropertyAnimator(toView); 2263 scaleAnim. 2264 scaleX(1f).scaleY(1f). 2265 setDuration(duration). 2266 setInterpolator(new Workspace.ZoomOutInterpolator()); 2267 2268 toView.setVisibility(View.VISIBLE); 2269 toView.setAlpha(0f); 2270 final ObjectAnimator alphaAnim = ObjectAnimator 2271 .ofFloat(toView, "alpha", 0f, 1f) 2272 .setDuration(fadeDuration); 2273 alphaAnim.setInterpolator(new DecelerateInterpolator(1.5f)); 2274 alphaAnim.addUpdateListener(new AnimatorUpdateListener() { 2275 @Override 2276 public void onAnimationUpdate(ValueAnimator animation) { 2277 float t = (Float) animation.getAnimatedValue(); 2278 dispatchOnLauncherTransitionStep(fromView, t); 2279 dispatchOnLauncherTransitionStep(toView, t); 2280 } 2281 }); 2282 2283 // toView should appear right at the end of the workspace shrink 2284 // animation 2285 mStateAnimation = new AnimatorSet(); 2286 mStateAnimation.play(scaleAnim).after(startDelay); 2287 mStateAnimation.play(alphaAnim).after(startDelay); 2288 2289 mStateAnimation.addListener(new AnimatorListenerAdapter() { 2290 boolean animationCancelled = false; 2291 2292 @Override 2293 public void onAnimationStart(Animator animation) { 2294 updateWallpaperVisibility(true); 2295 // Prepare the position 2296 toView.setTranslationX(0.0f); 2297 toView.setTranslationY(0.0f); 2298 toView.setVisibility(View.VISIBLE); 2299 toView.bringToFront(); 2300 } 2301 @Override 2302 public void onAnimationEnd(Animator animation) { 2303 dispatchOnLauncherTransitionEnd(fromView, animated, false); 2304 dispatchOnLauncherTransitionEnd(toView, animated, false); 2305 2306 if (!springLoaded && !LauncherApplication.isScreenLarge()) { 2307 // Hide the workspace scrollbar 2308 mWorkspace.hideScrollingIndicator(true); 2309 hideDockDivider(); 2310 } 2311 if (!animationCancelled) { 2312 updateWallpaperVisibility(false); 2313 } 2314 } 2315 2316 @Override 2317 public void onAnimationCancel(Animator animation) { 2318 animationCancelled = true; 2319 } 2320 }); 2321 2322 if (workspaceAnim != null) { 2323 mStateAnimation.play(workspaceAnim); 2324 } 2325 2326 boolean delayAnim = false; 2327 final ViewTreeObserver observer; 2328 2329 dispatchOnLauncherTransitionPrepare(fromView, animated, false); 2330 dispatchOnLauncherTransitionPrepare(toView, animated, false); 2331 2332 // If any of the objects being animated haven't been measured/laid out 2333 // yet, delay the animation until we get a layout pass 2334 if ((((LauncherTransitionable) toView).getContent().getMeasuredWidth() == 0) || 2335 (mWorkspace.getMeasuredWidth() == 0) || 2336 (toView.getMeasuredWidth() == 0)) { 2337 observer = mWorkspace.getViewTreeObserver(); 2338 delayAnim = true; 2339 } else { 2340 observer = null; 2341 } 2342 2343 if (delayAnim) { 2344 final AnimatorSet stateAnimation = mStateAnimation; 2345 final OnGlobalLayoutListener delayedStart = new OnGlobalLayoutListener() { 2346 public void onGlobalLayout() { 2347 mWorkspace.post(new Runnable() { 2348 public void run() { 2349 // Check that mStateAnimation hasn't changed while 2350 // we waited for a layout pass 2351 if (mStateAnimation == stateAnimation) { 2352 // Need to update pivots for zoom if layout changed 2353 setPivotsForZoom(toView, scale); 2354 dispatchOnLauncherTransitionStart(fromView, animated, false); 2355 dispatchOnLauncherTransitionStart(toView, animated, false); 2356 mStateAnimation.start(); 2357 } 2358 } 2359 }); 2360 observer.removeOnGlobalLayoutListener(this); 2361 } 2362 }; 2363 observer.addOnGlobalLayoutListener(delayedStart); 2364 } else { 2365 setPivotsForZoom(toView, scale); 2366 dispatchOnLauncherTransitionStart(fromView, animated, false); 2367 dispatchOnLauncherTransitionStart(toView, animated, false); 2368 mStateAnimation.start(); 2369 } 2370 } else { 2371 toView.setTranslationX(0.0f); 2372 toView.setTranslationY(0.0f); 2373 toView.setScaleX(1.0f); 2374 toView.setScaleY(1.0f); 2375 toView.setVisibility(View.VISIBLE); 2376 toView.bringToFront(); 2377 2378 if (!springLoaded && !LauncherApplication.isScreenLarge()) { 2379 // Hide the workspace scrollbar 2380 mWorkspace.hideScrollingIndicator(true); 2381 hideDockDivider(); 2382 } 2383 dispatchOnLauncherTransitionPrepare(fromView, animated, false); 2384 dispatchOnLauncherTransitionStart(fromView, animated, false); 2385 dispatchOnLauncherTransitionEnd(fromView, animated, false); 2386 dispatchOnLauncherTransitionPrepare(toView, animated, false); 2387 dispatchOnLauncherTransitionStart(toView, animated, false); 2388 dispatchOnLauncherTransitionEnd(toView, animated, false); 2389 updateWallpaperVisibility(false); 2390 } 2391 } 2392 2393 /** 2394 * Zoom the camera back into the workspace, hiding 'fromView'. 2395 * This is the opposite of showAppsCustomizeHelper. 2396 * @param animated If true, the transition will be animated. 2397 */ 2398 private void hideAppsCustomizeHelper(State toState, final boolean animated, 2399 final boolean springLoaded, final Runnable onCompleteRunnable) { 2400 2401 if (mStateAnimation != null) { 2402 mStateAnimation.cancel(); 2403 mStateAnimation = null; 2404 } 2405 Resources res = getResources(); 2406 2407 final int duration = res.getInteger(R.integer.config_appsCustomizeZoomOutTime); 2408 final int fadeOutDuration = 2409 res.getInteger(R.integer.config_appsCustomizeFadeOutTime); 2410 final float scaleFactor = (float) 2411 res.getInteger(R.integer.config_appsCustomizeZoomScaleFactor); 2412 final View fromView = mAppsCustomizeTabHost; 2413 final View toView = mWorkspace; 2414 Animator workspaceAnim = null; 2415 2416 if (toState == State.WORKSPACE) { 2417 int stagger = res.getInteger(R.integer.config_appsCustomizeWorkspaceAnimationStagger); 2418 workspaceAnim = mWorkspace.getChangeStateAnimation( 2419 Workspace.State.NORMAL, animated, stagger); 2420 } else if (toState == State.APPS_CUSTOMIZE_SPRING_LOADED) { 2421 workspaceAnim = mWorkspace.getChangeStateAnimation( 2422 Workspace.State.SPRING_LOADED, animated); 2423 } 2424 2425 setPivotsForZoom(fromView, scaleFactor); 2426 updateWallpaperVisibility(true); 2427 showHotseat(animated); 2428 if (animated) { 2429 final LauncherViewPropertyAnimator scaleAnim = 2430 new LauncherViewPropertyAnimator(fromView); 2431 scaleAnim. 2432 scaleX(scaleFactor).scaleY(scaleFactor). 2433 setDuration(duration). 2434 setInterpolator(new Workspace.ZoomInInterpolator()); 2435 2436 final ObjectAnimator alphaAnim = ObjectAnimator 2437 .ofFloat(fromView, "alpha", 1f, 0f) 2438 .setDuration(fadeOutDuration); 2439 alphaAnim.setInterpolator(new AccelerateDecelerateInterpolator()); 2440 alphaAnim.addUpdateListener(new AnimatorUpdateListener() { 2441 @Override 2442 public void onAnimationUpdate(ValueAnimator animation) { 2443 float t = 1f - (Float) animation.getAnimatedValue(); 2444 dispatchOnLauncherTransitionStep(fromView, t); 2445 dispatchOnLauncherTransitionStep(toView, t); 2446 } 2447 }); 2448 2449 mStateAnimation = new AnimatorSet(); 2450 2451 dispatchOnLauncherTransitionPrepare(fromView, animated, true); 2452 dispatchOnLauncherTransitionPrepare(toView, animated, true); 2453 2454 mStateAnimation.addListener(new AnimatorListenerAdapter() { 2455 @Override 2456 public void onAnimationEnd(Animator animation) { 2457 updateWallpaperVisibility(true); 2458 fromView.setVisibility(View.GONE); 2459 dispatchOnLauncherTransitionEnd(fromView, animated, true); 2460 dispatchOnLauncherTransitionEnd(toView, animated, true); 2461 if (mWorkspace != null) { 2462 mWorkspace.hideScrollingIndicator(false); 2463 } 2464 if (onCompleteRunnable != null) { 2465 onCompleteRunnable.run(); 2466 } 2467 } 2468 }); 2469 2470 mStateAnimation.playTogether(scaleAnim, alphaAnim); 2471 if (workspaceAnim != null) { 2472 mStateAnimation.play(workspaceAnim); 2473 } 2474 dispatchOnLauncherTransitionStart(fromView, animated, true); 2475 dispatchOnLauncherTransitionStart(toView, animated, true); 2476 mStateAnimation.start(); 2477 } else { 2478 fromView.setVisibility(View.GONE); 2479 dispatchOnLauncherTransitionPrepare(fromView, animated, true); 2480 dispatchOnLauncherTransitionStart(fromView, animated, true); 2481 dispatchOnLauncherTransitionEnd(fromView, animated, true); 2482 dispatchOnLauncherTransitionPrepare(toView, animated, true); 2483 dispatchOnLauncherTransitionStart(toView, animated, true); 2484 dispatchOnLauncherTransitionEnd(toView, animated, true); 2485 mWorkspace.hideScrollingIndicator(false); 2486 } 2487 } 2488 2489 @Override 2490 public void onTrimMemory(int level) { 2491 super.onTrimMemory(level); 2492 if (level >= ComponentCallbacks2.TRIM_MEMORY_MODERATE) { 2493 mAppsCustomizeTabHost.onTrimMemory(); 2494 } 2495 } 2496 2497 void showWorkspace(boolean animated) { 2498 showWorkspace(animated, null); 2499 } 2500 2501 void showWorkspace(boolean animated, Runnable onCompleteRunnable) { 2502 if (mState != State.WORKSPACE) { 2503 mWorkspace.setVisibility(View.VISIBLE); 2504 hideAppsCustomizeHelper(State.WORKSPACE, animated, false, onCompleteRunnable); 2505 2506 // Show the search bar and hotseat 2507 mSearchDropTargetBar.showSearchBar(animated); 2508 // We only need to animate in the dock divider if we're going from spring loaded mode 2509 showDockDivider(animated && mState == State.APPS_CUSTOMIZE_SPRING_LOADED); 2510 2511 // Set focus to the AppsCustomize button 2512 if (mAllAppsButton != null) { 2513 mAllAppsButton.requestFocus(); 2514 } 2515 } 2516 2517 mWorkspace.flashScrollingIndicator(animated); 2518 2519 // Change the state *after* we've called all the transition code 2520 mState = State.WORKSPACE; 2521 2522 // Resume the auto-advance of widgets 2523 mUserPresent = true; 2524 updateRunning(); 2525 2526 // send an accessibility event to announce the context change 2527 getWindow().getDecorView().sendAccessibilityEvent(AccessibilityEvent.TYPE_VIEW_SELECTED); 2528 } 2529 2530 void showAllApps(boolean animated) { 2531 if (mState != State.WORKSPACE) return; 2532 2533 showAppsCustomizeHelper(animated, false); 2534 mAppsCustomizeTabHost.requestFocus(); 2535 2536 // Hide the search bar and hotseat 2537 mSearchDropTargetBar.hideSearchBar(animated); 2538 2539 // Change the state *after* we've called all the transition code 2540 mState = State.APPS_CUSTOMIZE; 2541 2542 // Pause the auto-advance of widgets until we are out of AllApps 2543 mUserPresent = false; 2544 updateRunning(); 2545 closeFolder(); 2546 2547 // Send an accessibility event to announce the context change 2548 getWindow().getDecorView().sendAccessibilityEvent(AccessibilityEvent.TYPE_VIEW_SELECTED); 2549 } 2550 2551 void enterSpringLoadedDragMode() { 2552 if (mState == State.APPS_CUSTOMIZE) { 2553 hideAppsCustomizeHelper(State.APPS_CUSTOMIZE_SPRING_LOADED, true, true, null); 2554 hideDockDivider(); 2555 mState = State.APPS_CUSTOMIZE_SPRING_LOADED; 2556 } 2557 } 2558 2559 void exitSpringLoadedDragModeDelayed(final boolean successfulDrop, boolean extendedDelay, 2560 final Runnable onCompleteRunnable) { 2561 if (mState != State.APPS_CUSTOMIZE_SPRING_LOADED) return; 2562 2563 mHandler.postDelayed(new Runnable() { 2564 @Override 2565 public void run() { 2566 if (successfulDrop) { 2567 // Before we show workspace, hide all apps again because 2568 // exitSpringLoadedDragMode made it visible. This is a bit hacky; we should 2569 // clean up our state transition functions 2570 mAppsCustomizeTabHost.setVisibility(View.GONE); 2571 mSearchDropTargetBar.showSearchBar(true); 2572 showWorkspace(true, onCompleteRunnable); 2573 } else { 2574 exitSpringLoadedDragMode(); 2575 } 2576 } 2577 }, (extendedDelay ? 2578 EXIT_SPRINGLOADED_MODE_LONG_TIMEOUT : 2579 EXIT_SPRINGLOADED_MODE_SHORT_TIMEOUT)); 2580 } 2581 2582 void exitSpringLoadedDragMode() { 2583 if (mState == State.APPS_CUSTOMIZE_SPRING_LOADED) { 2584 final boolean animated = true; 2585 final boolean springLoaded = true; 2586 showAppsCustomizeHelper(animated, springLoaded); 2587 mState = State.APPS_CUSTOMIZE; 2588 } 2589 // Otherwise, we are not in spring loaded mode, so don't do anything. 2590 } 2591 2592 void hideDockDivider() { 2593 if (mQsbDivider != null && mDockDivider != null) { 2594 mQsbDivider.setVisibility(View.INVISIBLE); 2595 mDockDivider.setVisibility(View.INVISIBLE); 2596 } 2597 } 2598 2599 void showDockDivider(boolean animated) { 2600 if (mQsbDivider != null && mDockDivider != null) { 2601 mQsbDivider.setVisibility(View.VISIBLE); 2602 mDockDivider.setVisibility(View.VISIBLE); 2603 if (mDividerAnimator != null) { 2604 mDividerAnimator.cancel(); 2605 mQsbDivider.setAlpha(1f); 2606 mDockDivider.setAlpha(1f); 2607 mDividerAnimator = null; 2608 } 2609 if (animated) { 2610 mDividerAnimator = new AnimatorSet(); 2611 mDividerAnimator.playTogether(ObjectAnimator.ofFloat(mQsbDivider, "alpha", 1f), 2612 ObjectAnimator.ofFloat(mDockDivider, "alpha", 1f)); 2613 mDividerAnimator.setDuration(mSearchDropTargetBar.getTransitionInDuration()); 2614 mDividerAnimator.start(); 2615 } 2616 } 2617 } 2618 2619 void lockAllApps() { 2620 // TODO 2621 } 2622 2623 void unlockAllApps() { 2624 // TODO 2625 } 2626 2627 public boolean isAllAppsCustomizeOpen() { 2628 return mState == State.APPS_CUSTOMIZE; 2629 } 2630 2631 /** 2632 * Shows the hotseat area. 2633 */ 2634 void showHotseat(boolean animated) { 2635 if (!LauncherApplication.isScreenLarge()) { 2636 if (animated) { 2637 if (mHotseat.getAlpha() != 1f) { 2638 int duration = mSearchDropTargetBar.getTransitionInDuration(); 2639 mHotseat.animate().alpha(1f).setDuration(duration); 2640 } 2641 } else { 2642 mHotseat.setAlpha(1f); 2643 } 2644 } 2645 } 2646 2647 /** 2648 * Hides the hotseat area. 2649 */ 2650 void hideHotseat(boolean animated) { 2651 if (!LauncherApplication.isScreenLarge()) { 2652 if (animated) { 2653 if (mHotseat.getAlpha() != 0f) { 2654 int duration = mSearchDropTargetBar.getTransitionOutDuration(); 2655 mHotseat.animate().alpha(0f).setDuration(duration); 2656 } 2657 } else { 2658 mHotseat.setAlpha(0f); 2659 } 2660 } 2661 } 2662 2663 /** 2664 * Add an item from all apps or customize onto the given workspace screen. 2665 * If layout is null, add to the current screen. 2666 */ 2667 void addExternalItemToScreen(ItemInfo itemInfo, final CellLayout layout) { 2668 if (!mWorkspace.addExternalItemToScreen(itemInfo, layout)) { 2669 showOutOfSpaceMessage(isHotseatLayout(layout)); 2670 } 2671 } 2672 2673 /** Maps the current orientation to an index for referencing orientation correct global icons */ 2674 private int getCurrentOrientationIndexForGlobalIcons() { 2675 // default - 0, landscape - 1 2676 switch (getResources().getConfiguration().orientation) { 2677 case Configuration.ORIENTATION_LANDSCAPE: 2678 return 1; 2679 default: 2680 return 0; 2681 } 2682 } 2683 2684 private Drawable getExternalPackageToolbarIcon(ComponentName activityName, String resourceName) { 2685 try { 2686 PackageManager packageManager = getPackageManager(); 2687 // Look for the toolbar icon specified in the activity meta-data 2688 Bundle metaData = packageManager.getActivityInfo( 2689 activityName, PackageManager.GET_META_DATA).metaData; 2690 if (metaData != null) { 2691 int iconResId = metaData.getInt(resourceName); 2692 if (iconResId != 0) { 2693 Resources res = packageManager.getResourcesForActivity(activityName); 2694 return res.getDrawable(iconResId); 2695 } 2696 } 2697 } catch (NameNotFoundException e) { 2698 // This can happen if the activity defines an invalid drawable 2699 Log.w(TAG, "Failed to load toolbar icon; " + activityName.flattenToShortString() + 2700 " not found", e); 2701 } catch (Resources.NotFoundException nfe) { 2702 // This can happen if the activity defines an invalid drawable 2703 Log.w(TAG, "Failed to load toolbar icon from " + activityName.flattenToShortString(), 2704 nfe); 2705 } 2706 return null; 2707 } 2708 2709 // if successful in getting icon, return it; otherwise, set button to use default drawable 2710 private Drawable.ConstantState updateTextButtonWithIconFromExternalActivity( 2711 int buttonId, ComponentName activityName, int fallbackDrawableId, 2712 String toolbarResourceName) { 2713 Drawable toolbarIcon = getExternalPackageToolbarIcon(activityName, toolbarResourceName); 2714 Resources r = getResources(); 2715 int w = r.getDimensionPixelSize(R.dimen.toolbar_external_icon_width); 2716 int h = r.getDimensionPixelSize(R.dimen.toolbar_external_icon_height); 2717 2718 TextView button = (TextView) findViewById(buttonId); 2719 // If we were unable to find the icon via the meta-data, use a generic one 2720 if (toolbarIcon == null) { 2721 toolbarIcon = r.getDrawable(fallbackDrawableId); 2722 toolbarIcon.setBounds(0, 0, w, h); 2723 if (button != null) { 2724 button.setCompoundDrawables(toolbarIcon, null, null, null); 2725 } 2726 return null; 2727 } else { 2728 toolbarIcon.setBounds(0, 0, w, h); 2729 if (button != null) { 2730 button.setCompoundDrawables(toolbarIcon, null, null, null); 2731 } 2732 return toolbarIcon.getConstantState(); 2733 } 2734 } 2735 2736 // if successful in getting icon, return it; otherwise, set button to use default drawable 2737 private Drawable.ConstantState updateButtonWithIconFromExternalActivity( 2738 int buttonId, ComponentName activityName, int fallbackDrawableId, 2739 String toolbarResourceName) { 2740 ImageView button = (ImageView) findViewById(buttonId); 2741 Drawable toolbarIcon = getExternalPackageToolbarIcon(activityName, toolbarResourceName); 2742 2743 if (button != null) { 2744 // If we were unable to find the icon via the meta-data, use a 2745 // generic one 2746 if (toolbarIcon == null) { 2747 button.setImageResource(fallbackDrawableId); 2748 } else { 2749 button.setImageDrawable(toolbarIcon); 2750 } 2751 } 2752 2753 return toolbarIcon != null ? toolbarIcon.getConstantState() : null; 2754 2755 } 2756 2757 private void updateTextButtonWithDrawable(int buttonId, Drawable.ConstantState d) { 2758 TextView button = (TextView) findViewById(buttonId); 2759 button.setCompoundDrawables(d.newDrawable(getResources()), null, null, null); 2760 } 2761 2762 private void updateButtonWithDrawable(int buttonId, Drawable.ConstantState d) { 2763 ImageView button = (ImageView) findViewById(buttonId); 2764 button.setImageDrawable(d.newDrawable(getResources())); 2765 } 2766 2767 private void invalidatePressedFocusedStates(View container, View button) { 2768 if (container instanceof HolographicLinearLayout) { 2769 HolographicLinearLayout layout = (HolographicLinearLayout) container; 2770 layout.invalidatePressedFocusedStates(); 2771 } else if (button instanceof HolographicImageView) { 2772 HolographicImageView view = (HolographicImageView) button; 2773 view.invalidatePressedFocusedStates(); 2774 } 2775 } 2776 2777 private boolean updateGlobalSearchIcon() { 2778 final View searchButtonContainer = findViewById(R.id.search_button_container); 2779 final ImageView searchButton = (ImageView) findViewById(R.id.search_button); 2780 final View searchDivider = findViewById(R.id.search_divider); 2781 final View voiceButtonContainer = findViewById(R.id.voice_button_container); 2782 final View voiceButton = findViewById(R.id.voice_button); 2783 final View voiceButtonProxy = findViewById(R.id.voice_button_proxy); 2784 2785 final SearchManager searchManager = 2786 (SearchManager) getSystemService(Context.SEARCH_SERVICE); 2787 ComponentName activityName = searchManager.getGlobalSearchActivity(); 2788 if (activityName != null) { 2789 int coi = getCurrentOrientationIndexForGlobalIcons(); 2790 sGlobalSearchIcon[coi] = updateButtonWithIconFromExternalActivity( 2791 R.id.search_button, activityName, R.drawable.ic_home_search_normal_holo, 2792 TOOLBAR_SEARCH_ICON_METADATA_NAME); 2793 if (sGlobalSearchIcon[coi] == null) { 2794 sGlobalSearchIcon[coi] = updateButtonWithIconFromExternalActivity( 2795 R.id.search_button, activityName, R.drawable.ic_home_search_normal_holo, 2796 TOOLBAR_ICON_METADATA_NAME); 2797 } 2798 2799 if (searchDivider != null) searchDivider.setVisibility(View.VISIBLE); 2800 if (searchButtonContainer != null) searchButtonContainer.setVisibility(View.VISIBLE); 2801 searchButton.setVisibility(View.VISIBLE); 2802 invalidatePressedFocusedStates(searchButtonContainer, searchButton); 2803 return true; 2804 } else { 2805 // We disable both search and voice search when there is no global search provider 2806 if (searchDivider != null) searchDivider.setVisibility(View.GONE); 2807 if (searchButtonContainer != null) searchButtonContainer.setVisibility(View.GONE); 2808 if (voiceButtonContainer != null) voiceButtonContainer.setVisibility(View.GONE); 2809 searchButton.setVisibility(View.GONE); 2810 voiceButton.setVisibility(View.GONE); 2811 voiceButtonProxy.setVisibility(View.GONE); 2812 return false; 2813 } 2814 } 2815 2816 private void updateGlobalSearchIcon(Drawable.ConstantState d) { 2817 final View searchButtonContainer = findViewById(R.id.search_button_container); 2818 final View searchButton = (ImageView) findViewById(R.id.search_button); 2819 updateButtonWithDrawable(R.id.search_button, d); 2820 invalidatePressedFocusedStates(searchButtonContainer, searchButton); 2821 } 2822 2823 private boolean updateVoiceSearchIcon(boolean searchVisible) { 2824 final View searchDivider = findViewById(R.id.search_divider); 2825 final View voiceButtonContainer = findViewById(R.id.voice_button_container); 2826 final View voiceButton = findViewById(R.id.voice_button); 2827 final View voiceButtonProxy = findViewById(R.id.voice_button_proxy); 2828 2829 // We only show/update the voice search icon if the search icon is enabled as well 2830 final SearchManager searchManager = 2831 (SearchManager) getSystemService(Context.SEARCH_SERVICE); 2832 ComponentName globalSearchActivity = searchManager.getGlobalSearchActivity(); 2833 2834 ComponentName activityName = null; 2835 if (globalSearchActivity != null) { 2836 // Check if the global search activity handles voice search 2837 Intent intent = new Intent(RecognizerIntent.ACTION_WEB_SEARCH); 2838 intent.setPackage(globalSearchActivity.getPackageName()); 2839 activityName = intent.resolveActivity(getPackageManager()); 2840 } 2841 2842 if (activityName == null) { 2843 // Fallback: check if an activity other than the global search activity 2844 // resolves this 2845 Intent intent = new Intent(RecognizerIntent.ACTION_WEB_SEARCH); 2846 activityName = intent.resolveActivity(getPackageManager()); 2847 } 2848 if (searchVisible && activityName != null) { 2849 int coi = getCurrentOrientationIndexForGlobalIcons(); 2850 sVoiceSearchIcon[coi] = updateButtonWithIconFromExternalActivity( 2851 R.id.voice_button, activityName, R.drawable.ic_home_voice_search_holo, 2852 TOOLBAR_VOICE_SEARCH_ICON_METADATA_NAME); 2853 if (sVoiceSearchIcon[coi] == null) { 2854 sVoiceSearchIcon[coi] = updateButtonWithIconFromExternalActivity( 2855 R.id.voice_button, activityName, R.drawable.ic_home_voice_search_holo, 2856 TOOLBAR_ICON_METADATA_NAME); 2857 } 2858 if (searchDivider != null) searchDivider.setVisibility(View.VISIBLE); 2859 if (voiceButtonContainer != null) voiceButtonContainer.setVisibility(View.VISIBLE); 2860 voiceButton.setVisibility(View.VISIBLE); 2861 if (voiceButtonProxy != null) { 2862 voiceButtonProxy.setVisibility(View.VISIBLE); 2863 } 2864 invalidatePressedFocusedStates(voiceButtonContainer, voiceButton); 2865 return true; 2866 } else { 2867 if (searchDivider != null) searchDivider.setVisibility(View.GONE); 2868 if (voiceButtonContainer != null) voiceButtonContainer.setVisibility(View.GONE); 2869 voiceButton.setVisibility(View.GONE); 2870 if (voiceButtonProxy != null) { 2871 voiceButtonProxy.setVisibility(View.GONE); 2872 } 2873 return false; 2874 } 2875 } 2876 2877 private void updateVoiceSearchIcon(Drawable.ConstantState d) { 2878 final View voiceButtonContainer = findViewById(R.id.voice_button_container); 2879 final View voiceButton = findViewById(R.id.voice_button); 2880 updateButtonWithDrawable(R.id.voice_button, d); 2881 invalidatePressedFocusedStates(voiceButtonContainer, voiceButton); 2882 } 2883 2884 /** 2885 * Sets the app market icon 2886 */ 2887 private void updateAppMarketIcon() { 2888 final View marketButton = findViewById(R.id.market_button); 2889 Intent intent = new Intent(Intent.ACTION_MAIN).addCategory(Intent.CATEGORY_APP_MARKET); 2890 // Find the app market activity by resolving an intent. 2891 // (If multiple app markets are installed, it will return the ResolverActivity.) 2892 ComponentName activityName = intent.resolveActivity(getPackageManager()); 2893 if (activityName != null) { 2894 int coi = getCurrentOrientationIndexForGlobalIcons(); 2895 mAppMarketIntent = intent; 2896 sAppMarketIcon[coi] = updateTextButtonWithIconFromExternalActivity( 2897 R.id.market_button, activityName, R.drawable.ic_launcher_market_holo, 2898 TOOLBAR_ICON_METADATA_NAME); 2899 marketButton.setVisibility(View.VISIBLE); 2900 } else { 2901 // We should hide and disable the view so that we don't try and restore the visibility 2902 // of it when we swap between drag & normal states from IconDropTarget subclasses. 2903 marketButton.setVisibility(View.GONE); 2904 marketButton.setEnabled(false); 2905 } 2906 } 2907 2908 private void updateAppMarketIcon(Drawable.ConstantState d) { 2909 updateTextButtonWithDrawable(R.id.market_button, d); 2910 } 2911 2912 @Override 2913 public boolean dispatchPopulateAccessibilityEvent(AccessibilityEvent event) { 2914 boolean result = super.dispatchPopulateAccessibilityEvent(event); 2915 final List<CharSequence> text = event.getText(); 2916 text.clear(); 2917 text.add(getString(R.string.home)); 2918 return result; 2919 } 2920 2921 /** 2922 * Receives notifications when system dialogs are to be closed. 2923 */ 2924 private class CloseSystemDialogsIntentReceiver extends BroadcastReceiver { 2925 @Override 2926 public void onReceive(Context context, Intent intent) { 2927 closeSystemDialogs(); 2928 } 2929 } 2930 2931 /** 2932 * Receives notifications whenever the appwidgets are reset. 2933 */ 2934 private class AppWidgetResetObserver extends ContentObserver { 2935 public AppWidgetResetObserver() { 2936 super(new Handler()); 2937 } 2938 2939 @Override 2940 public void onChange(boolean selfChange) { 2941 onAppWidgetReset(); 2942 } 2943 } 2944 2945 /** 2946 * If the activity is currently paused, signal that we need to re-run the loader 2947 * in onResume. 2948 * 2949 * This needs to be called from incoming places where resources might have been loaded 2950 * while we are paused. That is becaues the Configuration might be wrong 2951 * when we're not running, and if it comes back to what it was when we 2952 * were paused, we are not restarted. 2953 * 2954 * Implementation of the method from LauncherModel.Callbacks. 2955 * 2956 * @return true if we are currently paused. The caller might be able to 2957 * skip some work in that case since we will come back again. 2958 */ 2959 public boolean setLoadOnResume() { 2960 if (mPaused) { 2961 Log.i(TAG, "setLoadOnResume"); 2962 mOnResumeNeedsLoad = true; 2963 return true; 2964 } else { 2965 return false; 2966 } 2967 } 2968 2969 /** 2970 * Implementation of the method from LauncherModel.Callbacks. 2971 */ 2972 public int getCurrentWorkspaceScreen() { 2973 if (mWorkspace != null) { 2974 return mWorkspace.getCurrentPage(); 2975 } else { 2976 return SCREEN_COUNT / 2; 2977 } 2978 } 2979 2980 /** 2981 * Refreshes the shortcuts shown on the workspace. 2982 * 2983 * Implementation of the method from LauncherModel.Callbacks. 2984 */ 2985 public void startBinding() { 2986 final Workspace workspace = mWorkspace; 2987 2988 mNewShortcutAnimatePage = -1; 2989 mNewShortcutAnimateViews.clear(); 2990 mWorkspace.clearDropTargets(); 2991 int count = workspace.getChildCount(); 2992 for (int i = 0; i < count; i++) { 2993 // Use removeAllViewsInLayout() to avoid an extra requestLayout() and invalidate(). 2994 final CellLayout layoutParent = (CellLayout) workspace.getChildAt(i); 2995 layoutParent.removeAllViewsInLayout(); 2996 } 2997 mWidgetsToAdvance.clear(); 2998 if (mHotseat != null) { 2999 mHotseat.resetLayout(); 3000 } 3001 } 3002 3003 /** 3004 * Bind the items start-end from the list. 3005 * 3006 * Implementation of the method from LauncherModel.Callbacks. 3007 */ 3008 public void bindItems(ArrayList<ItemInfo> shortcuts, int start, int end) { 3009 setLoadOnResume(); 3010 3011 // Get the list of added shortcuts and intersect them with the set of shortcuts here 3012 Set<String> newApps = new HashSet<String>(); 3013 newApps = mSharedPrefs.getStringSet(InstallShortcutReceiver.NEW_APPS_LIST_KEY, newApps); 3014 3015 Workspace workspace = mWorkspace; 3016 for (int i = start; i < end; i++) { 3017 final ItemInfo item = shortcuts.get(i); 3018 3019 // Short circuit if we are loading dock items for a configuration which has no dock 3020 if (item.container == LauncherSettings.Favorites.CONTAINER_HOTSEAT && 3021 mHotseat == null) { 3022 continue; 3023 } 3024 3025 switch (item.itemType) { 3026 case LauncherSettings.Favorites.ITEM_TYPE_APPLICATION: 3027 case LauncherSettings.Favorites.ITEM_TYPE_SHORTCUT: 3028 ShortcutInfo info = (ShortcutInfo) item; 3029 String uri = info.intent.toUri(0).toString(); 3030 View shortcut = createShortcut(info); 3031 workspace.addInScreen(shortcut, item.container, item.screen, item.cellX, 3032 item.cellY, 1, 1, false); 3033 if (newApps.contains(uri)) { 3034 newApps.remove(uri); 3035 3036 // Prepare the view to be animated up 3037 shortcut.setAlpha(0f); 3038 shortcut.setScaleX(0f); 3039 shortcut.setScaleY(0f); 3040 mNewShortcutAnimatePage = item.screen; 3041 if (!mNewShortcutAnimateViews.contains(shortcut)) { 3042 mNewShortcutAnimateViews.add(shortcut); 3043 } 3044 } 3045 break; 3046 case LauncherSettings.Favorites.ITEM_TYPE_FOLDER: 3047 FolderIcon newFolder = FolderIcon.fromXml(R.layout.folder_icon, this, 3048 (ViewGroup) workspace.getChildAt(workspace.getCurrentPage()), 3049 (FolderInfo) item, mIconCache); 3050 workspace.addInScreen(newFolder, item.container, item.screen, item.cellX, 3051 item.cellY, 1, 1, false); 3052 break; 3053 } 3054 } 3055 3056 workspace.requestLayout(); 3057 } 3058 3059 /** 3060 * Implementation of the method from LauncherModel.Callbacks. 3061 */ 3062 public void bindFolders(HashMap<Long, FolderInfo> folders) { 3063 setLoadOnResume(); 3064 sFolders.clear(); 3065 sFolders.putAll(folders); 3066 } 3067 3068 /** 3069 * Add the views for a widget to the workspace. 3070 * 3071 * Implementation of the method from LauncherModel.Callbacks. 3072 */ 3073 public void bindAppWidget(LauncherAppWidgetInfo item) { 3074 setLoadOnResume(); 3075 3076 final long start = DEBUG_WIDGETS ? SystemClock.uptimeMillis() : 0; 3077 if (DEBUG_WIDGETS) { 3078 Log.d(TAG, "bindAppWidget: " + item); 3079 } 3080 final Workspace workspace = mWorkspace; 3081 3082 final int appWidgetId = item.appWidgetId; 3083 final AppWidgetProviderInfo appWidgetInfo = mAppWidgetManager.getAppWidgetInfo(appWidgetId); 3084 if (DEBUG_WIDGETS) { 3085 Log.d(TAG, "bindAppWidget: id=" + item.appWidgetId + " belongs to component " + appWidgetInfo.provider); 3086 } 3087 3088 item.hostView = mAppWidgetHost.createView(this, appWidgetId, appWidgetInfo); 3089 3090 item.hostView.setAppWidget(appWidgetId, appWidgetInfo); 3091 item.hostView.setTag(item); 3092 3093 workspace.addInScreen(item.hostView, item.container, item.screen, item.cellX, 3094 item.cellY, item.spanX, item.spanY, false); 3095 3096 addWidgetToAutoAdvanceIfNeeded(item.hostView, appWidgetInfo); 3097 3098 workspace.requestLayout(); 3099 3100 AppWidgetResizeFrame.updateWidgetSizeRanges(item.hostView, 3101 this, item.spanX, item.spanY); 3102 3103 if (DEBUG_WIDGETS) { 3104 Log.d(TAG, "bound widget id="+item.appWidgetId+" in " 3105 + (SystemClock.uptimeMillis()-start) + "ms"); 3106 } 3107 } 3108 3109 /** 3110 * Callback saying that there aren't any more items to bind. 3111 * 3112 * Implementation of the method from LauncherModel.Callbacks. 3113 */ 3114 public void finishBindingItems() { 3115 setLoadOnResume(); 3116 3117 if (mSavedState != null) { 3118 if (!mWorkspace.hasFocus()) { 3119 mWorkspace.getChildAt(mWorkspace.getCurrentPage()).requestFocus(); 3120 } 3121 mSavedState = null; 3122 } 3123 3124 if (mSavedInstanceState != null) { 3125 super.onRestoreInstanceState(mSavedInstanceState); 3126 mSavedInstanceState = null; 3127 } 3128 3129 // If we received the result of any pending adds while the loader was running (e.g. the 3130 // widget configuration forced an orientation change), process them now. 3131 for (int i = 0; i < sPendingAddList.size(); i++) { 3132 completeAdd(sPendingAddList.get(i)); 3133 } 3134 sPendingAddList.clear(); 3135 3136 // Update the market app icon as necessary (the other icons will be managed in response to 3137 // package changes in bindSearchablesChanged() 3138 updateAppMarketIcon(); 3139 3140 // Animate up any icons as necessary 3141 if (mVisible || mWorkspaceLoading) { 3142 Runnable newAppsRunnable = new Runnable() { 3143 @Override 3144 public void run() { 3145 runNewAppsAnimation(false); 3146 } 3147 }; 3148 3149 boolean willSnapPage = mNewShortcutAnimatePage > -1 && 3150 mNewShortcutAnimatePage != mWorkspace.getCurrentPage(); 3151 if (canRunNewAppsAnimation()) { 3152 // If the user has not interacted recently, then either snap to the new page to show 3153 // the new-apps animation or just run them if they are to appear on the current page 3154 if (willSnapPage) { 3155 mWorkspace.snapToPage(mNewShortcutAnimatePage, newAppsRunnable); 3156 } else { 3157 runNewAppsAnimation(false); 3158 } 3159 } else { 3160 // If the user has interacted recently, then just add the items in place if they 3161 // are on another page (or just normally if they are added to the current page) 3162 runNewAppsAnimation(willSnapPage); 3163 } 3164 } 3165 3166 mWorkspaceLoading = false; 3167 } 3168 3169 private boolean canRunNewAppsAnimation() { 3170 long diff = System.currentTimeMillis() - mDragController.getLastGestureUpTime(); 3171 return diff > (NEW_APPS_ANIMATION_INACTIVE_TIMEOUT_SECONDS * 1000); 3172 } 3173 3174 /** 3175 * Runs a new animation that scales up icons that were added while Launcher was in the 3176 * background. 3177 * 3178 * @param immediate whether to run the animation or show the results immediately 3179 */ 3180 private void runNewAppsAnimation(boolean immediate) { 3181 AnimatorSet anim = new AnimatorSet(); 3182 Collection<Animator> bounceAnims = new ArrayList<Animator>(); 3183 3184 // Order these new views spatially so that they animate in order 3185 Collections.sort(mNewShortcutAnimateViews, new Comparator<View>() { 3186 @Override 3187 public int compare(View a, View b) { 3188 CellLayout.LayoutParams alp = (CellLayout.LayoutParams) a.getLayoutParams(); 3189 CellLayout.LayoutParams blp = (CellLayout.LayoutParams) b.getLayoutParams(); 3190 int cellCountX = LauncherModel.getCellCountX(); 3191 return (alp.cellY * cellCountX + alp.cellX) - (blp.cellY * cellCountX + blp.cellX); 3192 } 3193 }); 3194 3195 // Animate each of the views in place (or show them immediately if requested) 3196 if (immediate) { 3197 for (View v : mNewShortcutAnimateViews) { 3198 v.setAlpha(1f); 3199 v.setScaleX(1f); 3200 v.setScaleY(1f); 3201 } 3202 } else { 3203 for (int i = 0; i < mNewShortcutAnimateViews.size(); ++i) { 3204 View v = mNewShortcutAnimateViews.get(i); 3205 ValueAnimator bounceAnim = ObjectAnimator.ofPropertyValuesHolder(v, 3206 PropertyValuesHolder.ofFloat("alpha", 1f), 3207 PropertyValuesHolder.ofFloat("scaleX", 1f), 3208 PropertyValuesHolder.ofFloat("scaleY", 1f)); 3209 bounceAnim.setDuration(InstallShortcutReceiver.NEW_SHORTCUT_BOUNCE_DURATION); 3210 bounceAnim.setStartDelay(i * InstallShortcutReceiver.NEW_SHORTCUT_STAGGER_DELAY); 3211 bounceAnim.setInterpolator(new SmoothPagedView.OvershootInterpolator()); 3212 bounceAnims.add(bounceAnim); 3213 } 3214 anim.playTogether(bounceAnims); 3215 anim.addListener(new AnimatorListenerAdapter() { 3216 @Override 3217 public void onAnimationEnd(Animator animation) { 3218 mWorkspace.postDelayed(mBuildLayersRunnable, 500); 3219 } 3220 }); 3221 anim.start(); 3222 } 3223 3224 // Clean up 3225 mNewShortcutAnimatePage = -1; 3226 mNewShortcutAnimateViews.clear(); 3227 new Thread("clearNewAppsThread") { 3228 public void run() { 3229 mSharedPrefs.edit() 3230 .putInt(InstallShortcutReceiver.NEW_APPS_PAGE_KEY, -1) 3231 .putStringSet(InstallShortcutReceiver.NEW_APPS_LIST_KEY, null) 3232 .commit(); 3233 } 3234 }.start(); 3235 } 3236 3237 @Override 3238 public void bindSearchablesChanged() { 3239 boolean searchVisible = updateGlobalSearchIcon(); 3240 boolean voiceVisible = updateVoiceSearchIcon(searchVisible); 3241 mSearchDropTargetBar.onSearchPackagesChanged(searchVisible, voiceVisible); 3242 } 3243 3244 /** 3245 * Add the icons for all apps. 3246 * 3247 * Implementation of the method from LauncherModel.Callbacks. 3248 */ 3249 public void bindAllApplications(final ArrayList<ApplicationInfo> apps) { 3250 // Remove the progress bar entirely; we could also make it GONE 3251 // but better to remove it since we know it's not going to be used 3252 View progressBar = mAppsCustomizeTabHost. 3253 findViewById(R.id.apps_customize_progress_bar); 3254 if (progressBar != null) { 3255 ((ViewGroup)progressBar.getParent()).removeView(progressBar); 3256 } 3257 // We just post the call to setApps so the user sees the progress bar 3258 // disappear-- otherwise, it just looks like the progress bar froze 3259 // which doesn't look great 3260 mAppsCustomizeTabHost.post(new Runnable() { 3261 public void run() { 3262 if (mAppsCustomizeContent != null) { 3263 mAppsCustomizeContent.setApps(apps); 3264 } 3265 } 3266 }); 3267 } 3268 3269 /** 3270 * A package was installed. 3271 * 3272 * Implementation of the method from LauncherModel.Callbacks. 3273 */ 3274 public void bindAppsAdded(ArrayList<ApplicationInfo> apps) { 3275 setLoadOnResume(); 3276 3277 if (mAppsCustomizeContent != null) { 3278 mAppsCustomizeContent.addApps(apps); 3279 } 3280 } 3281 3282 /** 3283 * A package was updated. 3284 * 3285 * Implementation of the method from LauncherModel.Callbacks. 3286 */ 3287 public void bindAppsUpdated(ArrayList<ApplicationInfo> apps) { 3288 setLoadOnResume(); 3289 if (mWorkspace != null) { 3290 mWorkspace.updateShortcuts(apps); 3291 } 3292 3293 if (mAppsCustomizeContent != null) { 3294 mAppsCustomizeContent.updateApps(apps); 3295 } 3296 } 3297 3298 /** 3299 * A package was uninstalled. 3300 * 3301 * Implementation of the method from LauncherModel.Callbacks. 3302 */ 3303 public void bindAppsRemoved(ArrayList<ApplicationInfo> apps, boolean permanent) { 3304 if (permanent) { 3305 mWorkspace.removeItems(apps); 3306 } 3307 3308 if (mAppsCustomizeContent != null) { 3309 mAppsCustomizeContent.removeApps(apps); 3310 } 3311 3312 // Notify the drag controller 3313 mDragController.onAppsRemoved(apps, this); 3314 } 3315 3316 /** 3317 * A number of packages were updated. 3318 */ 3319 public void bindPackagesUpdated() { 3320 if (mAppsCustomizeContent != null) { 3321 mAppsCustomizeContent.onPackagesUpdated(); 3322 } 3323 } 3324 3325 private int mapConfigurationOriActivityInfoOri(int configOri) { 3326 final Display d = getWindowManager().getDefaultDisplay(); 3327 int naturalOri = Configuration.ORIENTATION_LANDSCAPE; 3328 switch (d.getRotation()) { 3329 case Surface.ROTATION_0: 3330 case Surface.ROTATION_180: 3331 // We are currently in the same basic orientation as the natural orientation 3332 naturalOri = configOri; 3333 break; 3334 case Surface.ROTATION_90: 3335 case Surface.ROTATION_270: 3336 // We are currently in the other basic orientation to the natural orientation 3337 naturalOri = (configOri == Configuration.ORIENTATION_LANDSCAPE) ? 3338 Configuration.ORIENTATION_PORTRAIT : Configuration.ORIENTATION_LANDSCAPE; 3339 break; 3340 } 3341 3342 int[] oriMap = { 3343 ActivityInfo.SCREEN_ORIENTATION_PORTRAIT, 3344 ActivityInfo.SCREEN_ORIENTATION_LANDSCAPE, 3345 ActivityInfo.SCREEN_ORIENTATION_REVERSE_PORTRAIT, 3346 ActivityInfo.SCREEN_ORIENTATION_REVERSE_LANDSCAPE 3347 }; 3348 // Since the map starts at portrait, we need to offset if this device's natural orientation 3349 // is landscape. 3350 int indexOffset = 0; 3351 if (naturalOri == Configuration.ORIENTATION_LANDSCAPE) { 3352 indexOffset = 1; 3353 } 3354 return oriMap[(d.getRotation() + indexOffset) % 4]; 3355 } 3356 3357 public boolean isRotationEnabled() { 3358 boolean forceEnableRotation = "true".equalsIgnoreCase(SystemProperties.get( 3359 FORCE_ENABLE_ROTATION_PROPERTY, "false")); 3360 boolean enableRotation = forceEnableRotation || 3361 getResources().getBoolean(R.bool.allow_rotation); 3362 return enableRotation; 3363 } 3364 public void lockScreenOrientation() { 3365 if (isRotationEnabled()) { 3366 setRequestedOrientation(mapConfigurationOriActivityInfoOri(getResources() 3367 .getConfiguration().orientation)); 3368 } 3369 } 3370 public void unlockScreenOrientation(boolean immediate) { 3371 if (isRotationEnabled()) { 3372 if (immediate) { 3373 setRequestedOrientation(ActivityInfo.SCREEN_ORIENTATION_UNSPECIFIED); 3374 } else { 3375 mHandler.postDelayed(new Runnable() { 3376 public void run() { 3377 setRequestedOrientation(ActivityInfo.SCREEN_ORIENTATION_UNSPECIFIED); 3378 } 3379 }, mRestoreScreenOrientationDelay); 3380 } 3381 } 3382 } 3383 3384 /* Cling related */ 3385 private boolean isClingsEnabled() { 3386 // disable clings when running in a test harness 3387 if(ActivityManager.isRunningInTestHarness()) return false; 3388 3389 return true; 3390 } 3391 private Cling initCling(int clingId, int[] positionData, boolean animate, int delay) { 3392 Cling cling = (Cling) findViewById(clingId); 3393 if (cling != null) { 3394 cling.init(this, positionData); 3395 cling.setVisibility(View.VISIBLE); 3396 cling.setLayerType(View.LAYER_TYPE_HARDWARE, null); 3397 if (animate) { 3398 cling.buildLayer(); 3399 cling.setAlpha(0f); 3400 cling.animate() 3401 .alpha(1f) 3402 .setInterpolator(new AccelerateInterpolator()) 3403 .setDuration(SHOW_CLING_DURATION) 3404 .setStartDelay(delay) 3405 .start(); 3406 } else { 3407 cling.setAlpha(1f); 3408 } 3409 } 3410 return cling; 3411 } 3412 private void dismissCling(final Cling cling, final String flag, int duration) { 3413 if (cling != null) { 3414 ObjectAnimator anim = ObjectAnimator.ofFloat(cling, "alpha", 0f); 3415 anim.setDuration(duration); 3416 anim.addListener(new AnimatorListenerAdapter() { 3417 public void onAnimationEnd(Animator animation) { 3418 cling.setVisibility(View.GONE); 3419 cling.cleanup(); 3420 // We should update the shared preferences on a background thread 3421 new Thread("dismissClingThread") { 3422 public void run() { 3423 SharedPreferences.Editor editor = mSharedPrefs.edit(); 3424 editor.putBoolean(flag, true); 3425 editor.commit(); 3426 } 3427 }.start(); 3428 }; 3429 }); 3430 anim.start(); 3431 } 3432 } 3433 private void removeCling(int id) { 3434 final View cling = findViewById(id); 3435 if (cling != null) { 3436 final ViewGroup parent = (ViewGroup) cling.getParent(); 3437 parent.post(new Runnable() { 3438 @Override 3439 public void run() { 3440 parent.removeView(cling); 3441 } 3442 }); 3443 } 3444 } 3445 public void showFirstRunWorkspaceCling() { 3446 // Enable the clings only if they have not been dismissed before 3447 if (isClingsEnabled() && 3448 !mSharedPrefs.getBoolean(Cling.WORKSPACE_CLING_DISMISSED_KEY, false)) { 3449 initCling(R.id.workspace_cling, null, false, 0); 3450 } else { 3451 removeCling(R.id.workspace_cling); 3452 } 3453 } 3454 public void showFirstRunAllAppsCling(int[] position) { 3455 // Enable the clings only if they have not been dismissed before 3456 if (isClingsEnabled() && 3457 !mSharedPrefs.getBoolean(Cling.ALLAPPS_CLING_DISMISSED_KEY, false)) { 3458 initCling(R.id.all_apps_cling, position, true, 0); 3459 } else { 3460 removeCling(R.id.all_apps_cling); 3461 } 3462 } 3463 public Cling showFirstRunFoldersCling() { 3464 // Enable the clings only if they have not been dismissed before 3465 if (isClingsEnabled() && 3466 !mSharedPrefs.getBoolean(Cling.FOLDER_CLING_DISMISSED_KEY, false)) { 3467 return initCling(R.id.folder_cling, null, true, 0); 3468 } else { 3469 removeCling(R.id.folder_cling); 3470 return null; 3471 } 3472 } 3473 public boolean isFolderClingVisible() { 3474 Cling cling = (Cling) findViewById(R.id.folder_cling); 3475 if (cling != null) { 3476 return cling.getVisibility() == View.VISIBLE; 3477 } 3478 return false; 3479 } 3480 public void dismissWorkspaceCling(View v) { 3481 Cling cling = (Cling) findViewById(R.id.workspace_cling); 3482 dismissCling(cling, Cling.WORKSPACE_CLING_DISMISSED_KEY, DISMISS_CLING_DURATION); 3483 } 3484 public void dismissAllAppsCling(View v) { 3485 Cling cling = (Cling) findViewById(R.id.all_apps_cling); 3486 dismissCling(cling, Cling.ALLAPPS_CLING_DISMISSED_KEY, DISMISS_CLING_DURATION); 3487 } 3488 public void dismissFolderCling(View v) { 3489 Cling cling = (Cling) findViewById(R.id.folder_cling); 3490 dismissCling(cling, Cling.FOLDER_CLING_DISMISSED_KEY, DISMISS_CLING_DURATION); 3491 } 3492 3493 /** 3494 * Prints out out state for debugging. 3495 */ 3496 public void dumpState() { 3497 Log.d(TAG, "BEGIN launcher2 dump state for launcher " + this); 3498 Log.d(TAG, "mSavedState=" + mSavedState); 3499 Log.d(TAG, "mWorkspaceLoading=" + mWorkspaceLoading); 3500 Log.d(TAG, "mRestoring=" + mRestoring); 3501 Log.d(TAG, "mWaitingForResult=" + mWaitingForResult); 3502 Log.d(TAG, "mSavedInstanceState=" + mSavedInstanceState); 3503 Log.d(TAG, "sFolders.size=" + sFolders.size()); 3504 mModel.dumpState(); 3505 3506 if (mAppsCustomizeContent != null) { 3507 mAppsCustomizeContent.dumpState(); 3508 } 3509 Log.d(TAG, "END launcher2 dump state"); 3510 } 3511 3512 @Override 3513 public void dump(String prefix, FileDescriptor fd, PrintWriter writer, String[] args) { 3514 super.dump(prefix, fd, writer, args); 3515 writer.println(" "); 3516 writer.println("Debug logs: "); 3517 for (int i = 0; i < sDumpLogs.size(); i++) { 3518 writer.println(" " + sDumpLogs.get(i)); 3519 } 3520 } 3521} 3522 3523interface LauncherTransitionable { 3524 View getContent(); 3525 void onLauncherTransitionPrepare(Launcher l, boolean animated, boolean toWorkspace); 3526 void onLauncherTransitionStart(Launcher l, boolean animated, boolean toWorkspace); 3527 void onLauncherTransitionStep(Launcher l, float t); 3528 void onLauncherTransitionEnd(Launcher l, boolean animated, boolean toWorkspace); 3529} 3530