Launcher.java revision 4e6a976c2d85f7261ae4318a9ccffd2440f73124
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 java.io.DataInputStream; 21import java.io.DataOutputStream; 22import java.io.FileNotFoundException; 23import java.io.IOException; 24import java.util.ArrayList; 25import java.util.HashMap; 26import java.util.List; 27 28import android.animation.Animator; 29import android.animation.AnimatorListenerAdapter; 30import android.animation.AnimatorSet; 31import android.animation.ValueAnimator; 32import android.animation.ValueAnimator.AnimatorUpdateListener; 33import android.app.Activity; 34import android.app.AlertDialog; 35import android.app.Dialog; 36import android.app.SearchManager; 37import android.app.StatusBarManager; 38import android.appwidget.AppWidgetManager; 39import android.appwidget.AppWidgetProviderInfo; 40import android.content.ActivityNotFoundException; 41import android.content.BroadcastReceiver; 42import android.content.ClipData; 43import android.content.ClipDescription; 44import android.content.ComponentName; 45import android.content.ContentResolver; 46import android.content.Context; 47import android.content.DialogInterface; 48import android.content.Intent; 49import android.content.IntentFilter; 50import android.content.Intent.ShortcutIconResource; 51import android.content.pm.ActivityInfo; 52import android.content.pm.PackageManager; 53import android.content.pm.ResolveInfo; 54import android.content.pm.PackageManager.NameNotFoundException; 55import android.content.res.Configuration; 56import android.content.res.Resources; 57import android.content.res.TypedArray; 58import android.database.ContentObserver; 59import android.graphics.Bitmap; 60import android.graphics.Canvas; 61import android.graphics.Rect; 62import android.graphics.drawable.ColorDrawable; 63import android.graphics.drawable.Drawable; 64import android.net.Uri; 65import android.os.AsyncTask; 66import android.os.Bundle; 67import android.os.Environment; 68import android.os.Handler; 69import android.os.Message; 70import android.os.SystemClock; 71import android.os.SystemProperties; 72import android.provider.Settings; 73import android.speech.RecognizerIntent; 74import android.text.Selection; 75import android.text.SpannableStringBuilder; 76import android.text.TextUtils; 77import android.text.method.TextKeyListener; 78import android.util.Log; 79import android.view.Display; 80import android.view.HapticFeedbackConstants; 81import android.view.KeyEvent; 82import android.view.LayoutInflater; 83import android.view.Menu; 84import android.view.MenuItem; 85import android.view.MotionEvent; 86import android.view.Surface; 87import android.view.View; 88import android.view.ViewGroup; 89import android.view.WindowManager; 90import android.view.View.OnClickListener; 91import android.view.View.OnLongClickListener; 92import android.view.accessibility.AccessibilityEvent; 93import android.view.animation.DecelerateInterpolator; 94import android.view.inputmethod.InputMethodManager; 95import android.widget.Advanceable; 96import android.widget.EditText; 97import android.widget.ImageView; 98import android.widget.LinearLayout; 99import android.widget.PopupWindow; 100import android.widget.TabHost; 101import android.widget.TextView; 102import android.widget.Toast; 103 104import com.android.common.Search; 105import com.android.launcher.R; 106import com.android.launcher2.Workspace.ShrinkState; 107 108/** 109 * Default launcher application. 110 */ 111public final class Launcher extends Activity 112 implements View.OnClickListener, OnLongClickListener, LauncherModel.Callbacks, 113 AllAppsView.Watcher, View.OnTouchListener { 114 static final String TAG = "Launcher"; 115 static final boolean LOGD = false; 116 117 static final boolean PROFILE_STARTUP = false; 118 static final boolean DEBUG_WIDGETS = false; 119 static final boolean DEBUG_USER_INTERFACE = false; 120 121 private static final int MENU_GROUP_ADD = 1; 122 private static final int MENU_GROUP_WALLPAPER = MENU_GROUP_ADD + 1; 123 124 private static final int MENU_ADD = Menu.FIRST + 1; 125 private static final int MENU_MANAGE_APPS = MENU_ADD + 1; 126 private static final int MENU_WALLPAPER_SETTINGS = MENU_MANAGE_APPS + 1; 127 private static final int MENU_SEARCH = MENU_WALLPAPER_SETTINGS + 1; 128 private static final int MENU_NOTIFICATIONS = MENU_SEARCH + 1; 129 private static final int MENU_SETTINGS = MENU_NOTIFICATIONS + 1; 130 131 private static final int REQUEST_CREATE_SHORTCUT = 1; 132 private static final int REQUEST_CREATE_APPWIDGET = 5; 133 private static final int REQUEST_PICK_APPLICATION = 6; 134 private static final int REQUEST_PICK_SHORTCUT = 7; 135 private static final int REQUEST_PICK_APPWIDGET = 9; 136 private static final int REQUEST_PICK_WALLPAPER = 10; 137 138 static final String EXTRA_SHORTCUT_DUPLICATE = "duplicate"; 139 140 static final int SCREEN_COUNT = 5; 141 static final int DEFAULT_SCREEN = 2; 142 143 static final int DIALOG_CREATE_SHORTCUT = 1; 144 static final int DIALOG_RENAME_FOLDER = 2; 145 146 private static final String PREFERENCES = "launcher.preferences"; 147 148 // Type: int 149 private static final String RUNTIME_STATE_CURRENT_SCREEN = "launcher.current_screen"; 150 // Type: int 151 private static final String RUNTIME_STATE = "launcher.state"; 152 // Type: long 153 private static final String RUNTIME_STATE_FOLDERS = "launcher.folder"; 154 // Type: int 155 private static final String RUNTIME_STATE_PENDING_ADD_SCREEN = "launcher.add_screen"; 156 // Type: int 157 private static final String RUNTIME_STATE_PENDING_ADD_CELL_X = "launcher.add_cellX"; 158 // Type: int 159 private static final String RUNTIME_STATE_PENDING_ADD_CELL_Y = "launcher.add_cellY"; 160 // Type: boolean 161 private static final String RUNTIME_STATE_PENDING_FOLDER_RENAME = "launcher.rename_folder"; 162 // Type: long 163 private static final String RUNTIME_STATE_PENDING_FOLDER_RENAME_ID = "launcher.rename_folder_id"; 164 165 private static final String TOOLBAR_ICON_METADATA_NAME = "com.android.launcher.toolbar_icon"; 166 167 /** The different states that Launcher can be in. */ 168 private enum State { WORKSPACE, APPS_CUSTOMIZE, ALL_APPS, CUSTOMIZE, 169 CUSTOMIZE_SPRING_LOADED, ALL_APPS_SPRING_LOADED }; 170 private State mState = State.WORKSPACE; 171 private AnimatorSet mStateAnimation; 172 173 static final int APPWIDGET_HOST_ID = 1024; 174 175 private static final Object sLock = new Object(); 176 private static int sScreen = DEFAULT_SCREEN; 177 178 private final BroadcastReceiver mCloseSystemDialogsReceiver 179 = new CloseSystemDialogsIntentReceiver(); 180 private final ContentObserver mWidgetObserver = new AppWidgetResetObserver(); 181 182 private LayoutInflater mInflater; 183 184 private DragController mDragController; 185 private Workspace mWorkspace; 186 187 private AppWidgetManager mAppWidgetManager; 188 private LauncherAppWidgetHost mAppWidgetHost; 189 190 private int mAddScreen = -1; 191 private int mAddIntersectCellX = -1; 192 private int mAddIntersectCellY = -1; 193 private int[] mAddDropPosition; 194 private int[] mTmpAddItemCellCoordinates = new int[2]; 195 196 private FolderInfo mFolderInfo; 197 198 private DeleteZone mDeleteZone; 199 private HandleView mHandleView; 200 private AllAppsView mAllAppsGrid; 201 private AppsCustomizeTabHost mAppsCustomizeTabHost; 202 private AppsCustomizePagedView mAppsCustomizeContent; 203 private CustomizeTrayTabHost mHomeCustomizationDrawer; 204 private boolean mAutoAdvanceRunning = false; 205 206 private ViewGroup mButtonCluster; 207 private View mAllAppsButton; 208 private View mDivider; 209 private View mConfigureButton; 210 211 private AllAppsPagedView mAllAppsPagedView = null; 212 private CustomizePagedView mCustomizePagedView = null; 213 214 private Bundle mSavedState; 215 216 private SpannableStringBuilder mDefaultKeySsb = null; 217 218 private boolean mWorkspaceLoading = true; 219 220 private boolean mPaused = true; 221 private boolean mRestoring; 222 private boolean mWaitingForResult; 223 private boolean mOnResumeNeedsLoad; 224 225 private Bundle mSavedInstanceState; 226 227 private LauncherModel mModel; 228 private IconCache mIconCache; 229 private boolean mUserPresent = true; 230 private boolean mVisible = false; 231 private boolean mAttached = false; 232 233 private static LocaleConfiguration sLocaleConfiguration = null; 234 235 private ArrayList<ItemInfo> mDesktopItems = new ArrayList<ItemInfo>(); 236 237 private static HashMap<Long, FolderInfo> sFolders = new HashMap<Long, FolderInfo>(); 238 239 // The "signpost" images along the bottom of the screen (only in some layouts) 240 private ImageView mPreviousView; 241 private ImageView mNextView; 242 243 // Hotseats (quick-launch icons next to AllApps) 244 private String[] mHotseatConfig = null; 245 private Intent[] mHotseats = null; 246 private Drawable[] mHotseatIcons = null; 247 private CharSequence[] mHotseatLabels = null; 248 249 private Intent mAppMarketIntent = null; 250 251 // Related to the auto-advancing of widgets 252 private final int ADVANCE_MSG = 1; 253 private final int mAdvanceInterval = 20000; 254 private final int mAdvanceStagger = 250; 255 private long mAutoAdvanceSentTime; 256 private long mAutoAdvanceTimeLeft = -1; 257 private HashMap<View, AppWidgetProviderInfo> mWidgetsToAdvance = 258 new HashMap<View, AppWidgetProviderInfo>(); 259 260 // Determines how long to wait after a rotation before restoring the screen orientation to 261 // match the sensor state. 262 private final int mRestoreScreenOrientationDelay = 500; 263 264 // External icons saved in case of resource changes, orientation, etc. 265 private static Drawable.ConstantState sGlobalSearchIcon; 266 private static Drawable.ConstantState sVoiceSearchIcon; 267 private static Drawable.ConstantState sAppMarketIcon; 268 269 private BubbleTextView mWaitingForResume; 270 271 private static ArrayList<PendingAddArguments> sPendingAddList 272 = new ArrayList<PendingAddArguments>(); 273 274 private static class PendingAddArguments { 275 int requestCode; 276 Intent intent; 277 int screen; 278 int cellX; 279 int cellY; 280 } 281 282 @Override 283 protected void onCreate(Bundle savedInstanceState) { 284 super.onCreate(savedInstanceState); 285 286 if (LauncherApplication.isInPlaceRotationEnabled()) { 287 // hide the status bar (temporary until we get the status bar design figured out) 288 getWindow().setFlags(WindowManager.LayoutParams.FLAG_FULLSCREEN, WindowManager.LayoutParams.FLAG_FULLSCREEN); 289 this.setRequestedOrientation(ActivityInfo.SCREEN_ORIENTATION_SENSOR); 290 } 291 292 LauncherApplication app = ((LauncherApplication)getApplication()); 293 mModel = app.setLauncher(this); 294 mIconCache = app.getIconCache(); 295 mDragController = new DragController(this); 296 mInflater = getLayoutInflater(); 297 298 mAppWidgetManager = AppWidgetManager.getInstance(this); 299 mAppWidgetHost = new LauncherAppWidgetHost(this, APPWIDGET_HOST_ID); 300 mAppWidgetHost.startListening(); 301 302 if (PROFILE_STARTUP) { 303 android.os.Debug.startMethodTracing( 304 Environment.getExternalStorageDirectory() + "/launcher"); 305 } 306 307 loadHotseats(); 308 checkForLocaleChange(); 309 setContentView(R.layout.launcher); 310 mHomeCustomizationDrawer = (CustomizeTrayTabHost) findViewById(R.id.customization_drawer); 311 if (mHomeCustomizationDrawer != null) { 312 // share the same customization workspace across all the tabs 313 mCustomizePagedView = (CustomizePagedView) findViewById( 314 R.id.customization_drawer_tab_contents); 315 } 316 setupViews(); 317 318 registerContentObservers(); 319 320 lockAllApps(); 321 322 mSavedState = savedInstanceState; 323 restoreState(mSavedState); 324 325 // Update customization drawer _after_ restoring the states 326 if (mCustomizePagedView != null) { 327 mCustomizePagedView.update(); 328 } 329 if (mAppsCustomizeContent != null) { 330 mAppsCustomizeContent.onPackagesUpdated(); 331 } 332 333 if (PROFILE_STARTUP) { 334 android.os.Debug.stopMethodTracing(); 335 } 336 337 if (!mRestoring) { 338 mModel.startLoader(this, true); 339 } 340 341 // For handling default keys 342 mDefaultKeySsb = new SpannableStringBuilder(); 343 Selection.setSelection(mDefaultKeySsb, 0); 344 345 IntentFilter filter = new IntentFilter(Intent.ACTION_CLOSE_SYSTEM_DIALOGS); 346 registerReceiver(mCloseSystemDialogsReceiver, filter); 347 348 // If we have a saved version of these external icons, we load them up immediately 349 if (LauncherApplication.isScreenXLarge()) { 350 if (sGlobalSearchIcon == null || sVoiceSearchIcon == null || sAppMarketIcon == null) { 351 updateIconsAffectedByPackageManagerChanges(); 352 } 353 if (sGlobalSearchIcon != null) { 354 updateGlobalSearchIcon(sGlobalSearchIcon); 355 } 356 if (sVoiceSearchIcon != null) { 357 updateVoiceSearchIcon(sVoiceSearchIcon); 358 } 359 if (sAppMarketIcon != null) { 360 updateAppMarketIcon(sAppMarketIcon); 361 } 362 } 363 } 364 365 private void checkForLocaleChange() { 366 if (sLocaleConfiguration == null) { 367 new AsyncTask<Void, Void, LocaleConfiguration>() { 368 @Override 369 protected LocaleConfiguration doInBackground(Void... unused) { 370 LocaleConfiguration localeConfiguration = new LocaleConfiguration(); 371 readConfiguration(Launcher.this, localeConfiguration); 372 return localeConfiguration; 373 } 374 375 @Override 376 protected void onPostExecute(LocaleConfiguration result) { 377 sLocaleConfiguration = result; 378 checkForLocaleChange(); // recursive, but now with a locale configuration 379 } 380 }.execute(); 381 return; 382 } 383 384 final Configuration configuration = getResources().getConfiguration(); 385 386 final String previousLocale = sLocaleConfiguration.locale; 387 final String locale = configuration.locale.toString(); 388 389 final int previousMcc = sLocaleConfiguration.mcc; 390 final int mcc = configuration.mcc; 391 392 final int previousMnc = sLocaleConfiguration.mnc; 393 final int mnc = configuration.mnc; 394 395 boolean localeChanged = !locale.equals(previousLocale) || mcc != previousMcc || mnc != previousMnc; 396 397 if (localeChanged) { 398 sLocaleConfiguration.locale = locale; 399 sLocaleConfiguration.mcc = mcc; 400 sLocaleConfiguration.mnc = mnc; 401 402 mIconCache.flush(); 403 loadHotseats(); 404 405 final LocaleConfiguration localeConfiguration = sLocaleConfiguration; 406 new Thread("WriteLocaleConfiguration") { 407 @Override 408 public void run() { 409 writeConfiguration(Launcher.this, localeConfiguration); 410 } 411 }.start(); 412 } 413 } 414 415 private static class LocaleConfiguration { 416 public String locale; 417 public int mcc = -1; 418 public int mnc = -1; 419 } 420 421 private static void readConfiguration(Context context, LocaleConfiguration configuration) { 422 DataInputStream in = null; 423 try { 424 in = new DataInputStream(context.openFileInput(PREFERENCES)); 425 configuration.locale = in.readUTF(); 426 configuration.mcc = in.readInt(); 427 configuration.mnc = in.readInt(); 428 } catch (FileNotFoundException e) { 429 // Ignore 430 } catch (IOException e) { 431 // Ignore 432 } finally { 433 if (in != null) { 434 try { 435 in.close(); 436 } catch (IOException e) { 437 // Ignore 438 } 439 } 440 } 441 } 442 443 private static void writeConfiguration(Context context, LocaleConfiguration configuration) { 444 DataOutputStream out = null; 445 try { 446 out = new DataOutputStream(context.openFileOutput(PREFERENCES, MODE_PRIVATE)); 447 out.writeUTF(configuration.locale); 448 out.writeInt(configuration.mcc); 449 out.writeInt(configuration.mnc); 450 out.flush(); 451 } catch (FileNotFoundException e) { 452 // Ignore 453 } catch (IOException e) { 454 //noinspection ResultOfMethodCallIgnored 455 context.getFileStreamPath(PREFERENCES).delete(); 456 } finally { 457 if (out != null) { 458 try { 459 out.close(); 460 } catch (IOException e) { 461 // Ignore 462 } 463 } 464 } 465 } 466 467 static int getScreen() { 468 synchronized (sLock) { 469 return sScreen; 470 } 471 } 472 473 static void setScreen(int screen) { 474 synchronized (sLock) { 475 sScreen = screen; 476 } 477 } 478 479 // Note: This doesn't do all the client-id magic that BrowserProvider does 480 // in Browser. (http://b/2425179) 481 private Uri getDefaultBrowserUri() { 482 String url = getString(R.string.default_browser_url); 483 if (url.indexOf("{CID}") != -1) { 484 url = url.replace("{CID}", "android-google"); 485 } 486 return Uri.parse(url); 487 } 488 489 // Load the Intent templates from arrays.xml to populate the hotseats. For 490 // each Intent, if it resolves to a single app, use that as the launch 491 // intent & use that app's label as the contentDescription. Otherwise, 492 // retain the ResolveActivity so the user can pick an app. 493 private void loadHotseats() { 494 if (mHotseatConfig == null) { 495 mHotseatConfig = getResources().getStringArray(R.array.hotseats); 496 if (mHotseatConfig.length > 0) { 497 mHotseats = new Intent[mHotseatConfig.length]; 498 mHotseatLabels = new CharSequence[mHotseatConfig.length]; 499 mHotseatIcons = new Drawable[mHotseatConfig.length]; 500 } else { 501 mHotseats = null; 502 mHotseatIcons = null; 503 mHotseatLabels = null; 504 } 505 506 TypedArray hotseatIconDrawables = getResources().obtainTypedArray(R.array.hotseat_icons); 507 for (int i=0; i<mHotseatConfig.length; i++) { 508 // load icon for this slot; currently unrelated to the actual activity 509 try { 510 mHotseatIcons[i] = hotseatIconDrawables.getDrawable(i); 511 } catch (ArrayIndexOutOfBoundsException ex) { 512 Log.w(TAG, "Missing hotseat_icons array item #" + i); 513 mHotseatIcons[i] = null; 514 } 515 } 516 hotseatIconDrawables.recycle(); 517 } 518 519 PackageManager pm = getPackageManager(); 520 for (int i=0; i<mHotseatConfig.length; i++) { 521 Intent intent = null; 522 if (mHotseatConfig[i].equals("*BROWSER*")) { 523 // magic value meaning "launch user's default web browser" 524 // replace it with a generic web request so we can see if there is indeed a default 525 String defaultUri = getString(R.string.default_browser_url); 526 intent = new Intent( 527 Intent.ACTION_VIEW, 528 ((defaultUri != null) 529 ? Uri.parse(defaultUri) 530 : getDefaultBrowserUri()) 531 ).addCategory(Intent.CATEGORY_BROWSABLE); 532 // note: if the user launches this without a default set, she 533 // will always be taken to the default URL above; this is 534 // unavoidable as we must specify a valid URL in order for the 535 // chooser to appear, and once the user selects something, that 536 // URL is unavoidably sent to the chosen app. 537 } else { 538 try { 539 intent = Intent.parseUri(mHotseatConfig[i], 0); 540 } catch (java.net.URISyntaxException ex) { 541 Log.w(TAG, "Invalid hotseat intent: " + mHotseatConfig[i]); 542 // bogus; leave intent=null 543 } 544 } 545 546 if (intent == null) { 547 mHotseats[i] = null; 548 mHotseatLabels[i] = getText(R.string.activity_not_found); 549 continue; 550 } 551 552 if (LOGD) { 553 Log.d(TAG, "loadHotseats: hotseat " + i 554 + " initial intent=[" 555 + intent.toUri(Intent.URI_INTENT_SCHEME) 556 + "]"); 557 } 558 559 ResolveInfo bestMatch = pm.resolveActivity(intent, PackageManager.MATCH_DEFAULT_ONLY); 560 List<ResolveInfo> allMatches = pm.queryIntentActivities(intent, PackageManager.MATCH_DEFAULT_ONLY); 561 if (LOGD) { 562 Log.d(TAG, "Best match for intent: " + bestMatch); 563 Log.d(TAG, "All matches: "); 564 for (ResolveInfo ri : allMatches) { 565 Log.d(TAG, " --> " + ri); 566 } 567 } 568 // did this resolve to a single app, or the resolver? 569 if (allMatches.size() == 0 || bestMatch == null) { 570 // can't find any activity to handle this. let's leave the 571 // intent as-is and let Launcher show a toast when it fails 572 // to launch. 573 mHotseats[i] = intent; 574 575 // set accessibility text to "Not installed" 576 mHotseatLabels[i] = getText(R.string.activity_not_found); 577 } else { 578 boolean found = false; 579 for (ResolveInfo ri : allMatches) { 580 if (bestMatch.activityInfo.name.equals(ri.activityInfo.name) 581 && bestMatch.activityInfo.applicationInfo.packageName 582 .equals(ri.activityInfo.applicationInfo.packageName)) { 583 found = true; 584 break; 585 } 586 } 587 588 if (!found) { 589 if (LOGD) Log.d(TAG, "Multiple options, no default yet"); 590 // the bestMatch is probably the ResolveActivity, meaning the 591 // user has not yet selected a default 592 // so: we'll keep the original intent for now 593 mHotseats[i] = intent; 594 595 // set the accessibility text to "Select shortcut" 596 mHotseatLabels[i] = getText(R.string.title_select_shortcut); 597 } else { 598 // we have an app! 599 // now reconstruct the intent to launch it through the front 600 // door 601 ComponentName com = new ComponentName( 602 bestMatch.activityInfo.applicationInfo.packageName, 603 bestMatch.activityInfo.name); 604 mHotseats[i] = new Intent(Intent.ACTION_MAIN).setComponent(com); 605 606 // load the app label for accessibility 607 mHotseatLabels[i] = bestMatch.activityInfo.loadLabel(pm); 608 } 609 } 610 611 if (LOGD) { 612 Log.d(TAG, "loadHotseats: hotseat " + i 613 + " final intent=[" 614 + ((mHotseats[i] == null) 615 ? "null" 616 : mHotseats[i].toUri(Intent.URI_INTENT_SCHEME)) 617 + "] label=[" + mHotseatLabels[i] 618 + "]" 619 ); 620 } 621 } 622 } 623 624 private void completeAdd(PendingAddArguments args) { 625 switch (args.requestCode) { 626 case REQUEST_PICK_APPLICATION: 627 completeAddApplication(args.intent, args.screen, args.cellX, args.cellY); 628 break; 629 case REQUEST_PICK_SHORTCUT: 630 processShortcut(args.intent); 631 break; 632 case REQUEST_CREATE_SHORTCUT: 633 completeAddShortcut(args.intent, args.screen, args.cellX, args.cellY); 634 break; 635 case REQUEST_PICK_APPWIDGET: 636 addAppWidgetFromPick(args.intent); 637 break; 638 case REQUEST_CREATE_APPWIDGET: 639 int appWidgetId = args.intent.getIntExtra(AppWidgetManager.EXTRA_APPWIDGET_ID, -1); 640 completeAddAppWidget(appWidgetId, args.screen); 641 break; 642 case REQUEST_PICK_WALLPAPER: 643 // We just wanted the activity result here so we can clear mWaitingForResult 644 break; 645 } 646 } 647 648 @Override 649 protected void onActivityResult(final int requestCode, int resultCode, final Intent data) { 650 mWaitingForResult = false; 651 652 // The pattern used here is that a user PICKs a specific application, 653 // which, depending on the target, might need to CREATE the actual target. 654 655 // For example, the user would PICK_SHORTCUT for "Music playlist", and we 656 // launch over to the Music app to actually CREATE_SHORTCUT. 657 658 if (resultCode == RESULT_OK && mAddScreen != -1) { 659 final PendingAddArguments args = new PendingAddArguments(); 660 args.requestCode = requestCode; 661 args.intent = data; 662 args.screen = mAddScreen; 663 args.cellX = mAddIntersectCellX; 664 args.cellY = mAddIntersectCellY; 665 666 // If the loader is still running, defer the add until it is done. 667 if (isWorkspaceLocked()) { 668 sPendingAddList.add(args); 669 } else { 670 completeAdd(args); 671 } 672 } else if ((requestCode == REQUEST_PICK_APPWIDGET || 673 requestCode == REQUEST_CREATE_APPWIDGET) && resultCode == RESULT_CANCELED && 674 data != null) { 675 // Clean up the appWidgetId if we canceled 676 int appWidgetId = data.getIntExtra(AppWidgetManager.EXTRA_APPWIDGET_ID, -1); 677 if (appWidgetId != -1) { 678 mAppWidgetHost.deleteAppWidgetId(appWidgetId); 679 } 680 } 681 } 682 683 @Override 684 protected void onResume() { 685 super.onResume(); 686 mPaused = false; 687 if (mRestoring || mOnResumeNeedsLoad) { 688 mWorkspaceLoading = true; 689 mModel.startLoader(this, true); 690 mRestoring = false; 691 mOnResumeNeedsLoad = false; 692 } 693 if (mWaitingForResume != null) { 694 mWaitingForResume.setStayPressed(false); 695 } 696 // When we resume Launcher, a different Activity might be responsible for the app 697 // market intent, so refresh the icon 698 updateAppMarketIcon(); 699 } 700 701 @Override 702 protected void onPause() { 703 super.onPause(); 704 // Some launcher layouts don't have a previous and next view 705 if (mPreviousView != null) { 706 dismissPreview(mPreviousView); 707 } 708 if (mNextView != null) { 709 dismissPreview(mNextView); 710 } 711 mPaused = true; 712 mDragController.cancelDrag(); 713 } 714 715 @Override 716 public Object onRetainNonConfigurationInstance() { 717 // Flag the loader to stop early before switching 718 mModel.stopLoader(); 719 if (mAllAppsGrid != null) { 720 mAllAppsGrid.surrender(); 721 } 722 if (mAppsCustomizeContent != null) { 723 mAppsCustomizeContent.surrender(); 724 } 725 return Boolean.TRUE; 726 } 727 728 // We can't hide the IME if it was forced open. So don't bother 729 /* 730 @Override 731 public void onWindowFocusChanged(boolean hasFocus) { 732 super.onWindowFocusChanged(hasFocus); 733 734 if (hasFocus) { 735 final InputMethodManager inputManager = (InputMethodManager) 736 getSystemService(Context.INPUT_METHOD_SERVICE); 737 WindowManager.LayoutParams lp = getWindow().getAttributes(); 738 inputManager.hideSoftInputFromWindow(lp.token, 0, new android.os.ResultReceiver(new 739 android.os.Handler()) { 740 protected void onReceiveResult(int resultCode, Bundle resultData) { 741 Log.d(TAG, "ResultReceiver got resultCode=" + resultCode); 742 } 743 }); 744 Log.d(TAG, "called hideSoftInputFromWindow from onWindowFocusChanged"); 745 } 746 } 747 */ 748 749 private boolean acceptFilter() { 750 final InputMethodManager inputManager = (InputMethodManager) 751 getSystemService(Context.INPUT_METHOD_SERVICE); 752 return !inputManager.isFullscreenMode(); 753 } 754 755 @Override 756 public boolean onKeyDown(int keyCode, KeyEvent event) { 757 final int uniChar = event.getUnicodeChar(); 758 final boolean handled = super.onKeyDown(keyCode, event); 759 final boolean isKeyNotWhitespace = uniChar > 0 && !Character.isWhitespace(uniChar); 760 if (!handled && acceptFilter() && isKeyNotWhitespace) { 761 boolean gotKey = TextKeyListener.getInstance().onKeyDown(mWorkspace, mDefaultKeySsb, 762 keyCode, event); 763 if (gotKey && mDefaultKeySsb != null && mDefaultKeySsb.length() > 0) { 764 // something usable has been typed - start a search 765 // the typed text will be retrieved and cleared by 766 // showSearchDialog() 767 // If there are multiple keystrokes before the search dialog takes focus, 768 // onSearchRequested() will be called for every keystroke, 769 // but it is idempotent, so it's fine. 770 return onSearchRequested(); 771 } 772 } 773 774 // Eat the long press event so the keyboard doesn't come up. 775 if (keyCode == KeyEvent.KEYCODE_MENU && event.isLongPress()) { 776 return true; 777 } 778 779 return handled; 780 } 781 782 private String getTypedText() { 783 return mDefaultKeySsb.toString(); 784 } 785 786 private void clearTypedText() { 787 mDefaultKeySsb.clear(); 788 mDefaultKeySsb.clearSpans(); 789 Selection.setSelection(mDefaultKeySsb, 0); 790 } 791 792 /** 793 * Given the integer (ordinal) value of a State enum instance, convert it to a variable of type 794 * State 795 */ 796 private static State intToState(int stateOrdinal) { 797 State state = State.WORKSPACE; 798 final State[] stateValues = State.values(); 799 for (int i = 0; i < stateValues.length; i++) { 800 if (stateValues[i].ordinal() == stateOrdinal) { 801 state = stateValues[i]; 802 break; 803 } 804 } 805 return state; 806 } 807 808 /** 809 * Restores the previous state, if it exists. 810 * 811 * @param savedState The previous state. 812 */ 813 private void restoreState(Bundle savedState) { 814 if (savedState == null) { 815 return; 816 } 817 818 State state = intToState(savedState.getInt(RUNTIME_STATE, State.WORKSPACE.ordinal())); 819 820 if (state == State.ALL_APPS || state == State.APPS_CUSTOMIZE) { 821 showAllApps(false); 822 } else if (state == State.CUSTOMIZE) { 823 showCustomizationDrawer(false); 824 } 825 826 final int currentScreen = savedState.getInt(RUNTIME_STATE_CURRENT_SCREEN, -1); 827 if (currentScreen > -1) { 828 mWorkspace.setCurrentPage(currentScreen); 829 } 830 831 final int addScreen = savedState.getInt(RUNTIME_STATE_PENDING_ADD_SCREEN, -1); 832 833 if (addScreen > -1) { 834 mAddScreen = addScreen; 835 mAddIntersectCellX = savedState.getInt(RUNTIME_STATE_PENDING_ADD_CELL_X); 836 mAddIntersectCellY = savedState.getInt(RUNTIME_STATE_PENDING_ADD_CELL_Y); 837 mRestoring = true; 838 } 839 840 boolean renameFolder = savedState.getBoolean(RUNTIME_STATE_PENDING_FOLDER_RENAME, false); 841 if (renameFolder) { 842 long id = savedState.getLong(RUNTIME_STATE_PENDING_FOLDER_RENAME_ID); 843 mFolderInfo = mModel.getFolderById(this, sFolders, id); 844 mRestoring = true; 845 } 846 847 // Restore the current AllApps drawer tab 848 if (mAllAppsGrid != null && mAllAppsGrid instanceof AllAppsTabbed) { 849 String curTab = savedState.getString("allapps_currentTab"); 850 if (curTab != null) { 851 AllAppsTabbed tabhost = (AllAppsTabbed) mAllAppsGrid; 852 tabhost.setCurrentTabByTag(curTab); 853 } 854 int curPage = savedState.getInt("allapps_currentPage", -1); 855 if (curPage > -1) { 856 mAllAppsPagedView.setRestorePage(curPage); 857 } 858 } 859 860 // Restore the current customization drawer tab 861 if (mHomeCustomizationDrawer != null) { 862 String curTab = savedState.getString("customize_currentTab"); 863 if (curTab != null) { 864 // We set this directly so that there is no delay before the tab is set 865 mCustomizePagedView.setCustomizationFilter( 866 mHomeCustomizationDrawer.getCustomizeFilterForTabTag(curTab)); 867 mHomeCustomizationDrawer.setCurrentTabByTag(curTab); 868 } 869 870 // Note: currently we do not restore the page for the customization tray because unlike 871 // AllApps, the page content can change drastically 872 } 873 874 // Restore the AppsCustomize tab 875 if (mAppsCustomizeTabHost != null) { 876 String curTab = savedState.getString("apps_customize_currentTab"); 877 if (curTab != null) { 878 // We set this directly so that there is no delay before the tab is set 879 mAppsCustomizeContent.setContentType( 880 mAppsCustomizeTabHost.getContentTypeForTabTag(curTab)); 881 mAppsCustomizeTabHost.setCurrentTabByTag(curTab); 882 } 883 884 // Note: currently we do not restore the page for the AppsCustomize pane because the 885 // change in layout can drastically affect the saved page index 886 } 887 } 888 889 /** 890 * Finds all the views we need and configure them properly. 891 */ 892 private void setupViews() { 893 final DragController dragController = mDragController; 894 895 DragLayer dragLayer = (DragLayer) findViewById(R.id.drag_layer); 896 dragLayer.setDragController(dragController); 897 898 if (LauncherApplication.isScreenXLarge()) { 899 mAllAppsGrid = (AllAppsView) dragLayer.findViewById(R.id.all_apps_view); 900 mAllAppsGrid.setup(this, dragController); 901 // We don't want a hole punched in our window. 902 ((View) mAllAppsGrid).setWillNotDraw(false); 903 } else { 904 mAppsCustomizeTabHost = (AppsCustomizeTabHost) 905 findViewById(R.id.apps_customize_pane); 906 mAppsCustomizeContent = (AppsCustomizePagedView) 907 mAppsCustomizeTabHost.findViewById(R.id.apps_customize_pane_content); 908 mAppsCustomizeContent.setup(this, dragController); 909 } 910 911 mWorkspace = (Workspace) dragLayer.findViewById(R.id.workspace); 912 913 final Workspace workspace = mWorkspace; 914 workspace.setHapticFeedbackEnabled(false); 915 916 DeleteZone deleteZone = (DeleteZone) dragLayer.findViewById(R.id.delete_zone); 917 mDeleteZone = deleteZone; 918 919 View handleView = findViewById(R.id.all_apps_button); 920 if (handleView != null && handleView instanceof HandleView) { 921 // we don't use handle view in xlarge mode 922 mHandleView = (HandleView)handleView; 923 mHandleView.setLauncher(this); 924 mHandleView.setOnLongClickListener(this); 925 } 926 927 if (mCustomizePagedView != null) { 928 mCustomizePagedView.setLauncher(this); 929 mCustomizePagedView.setDragController(dragController); 930 } else { 931 ImageView hotseatLeft = (ImageView) findViewById(R.id.hotseat_left); 932 hotseatLeft.setContentDescription(mHotseatLabels[0]); 933 hotseatLeft.setImageDrawable(mHotseatIcons[0]); 934 ImageView hotseatRight = (ImageView) findViewById(R.id.hotseat_right); 935 hotseatRight.setContentDescription(mHotseatLabels[1]); 936 hotseatRight.setImageDrawable(mHotseatIcons[1]); 937 938 View.OnKeyListener listener = new IndicatorKeyEventListener(); 939 mPreviousView = (ImageView) dragLayer.findViewById(R.id.previous_screen); 940 mPreviousView.setOnKeyListener(listener); 941 mNextView = (ImageView) dragLayer.findViewById(R.id.next_screen); 942 mNextView.setOnKeyListener(listener); 943 944 Drawable previous = mPreviousView.getDrawable(); 945 Drawable next = mNextView.getDrawable(); 946 mWorkspace.setIndicators(previous, next); 947 948 mPreviousView.setHapticFeedbackEnabled(false); 949 mPreviousView.setOnLongClickListener(this); 950 mNextView.setHapticFeedbackEnabled(false); 951 mNextView.setOnLongClickListener(this); 952 } 953 954 workspace.setOnLongClickListener(this); 955 workspace.setDragController(dragController); 956 workspace.setLauncher(this); 957 workspace.setWallpaperDimension(); 958 959 deleteZone.setLauncher(this); 960 deleteZone.setDragController(dragController); 961 962 final View allAppsButton = findViewById(R.id.all_apps_button); 963 final View divider = findViewById(R.id.all_apps_divider); 964 final View configureButton = findViewById(R.id.configure_button); 965 966 if (LauncherApplication.isScreenXLarge()) { 967 deleteZone.setOverlappingViews(new View[] { allAppsButton, divider, configureButton }); 968 } else { 969 deleteZone.setOverlappingView(findViewById(R.id.all_apps_button_cluster)); 970 } 971 dragController.addDragListener(deleteZone); 972 973 DeleteZone allAppsDeleteZone = (DeleteZone) findViewById(R.id.all_apps_delete_zone); 974 if (allAppsDeleteZone != null) { 975 allAppsDeleteZone.setLauncher(this); 976 allAppsDeleteZone.setDragController(dragController); 977 allAppsDeleteZone.setDragAndDropEnabled(false); 978 dragController.addDragListener(allAppsDeleteZone); 979 dragController.addDropTarget(allAppsDeleteZone); 980 } 981 982 ApplicationInfoDropTarget allAppsInfoTarget = (ApplicationInfoDropTarget) 983 findViewById(R.id.all_apps_info_target); 984 if (allAppsInfoTarget != null) { 985 allAppsInfoTarget.setLauncher(this); 986 dragController.addDragListener(allAppsInfoTarget); 987 allAppsInfoTarget.setDragAndDropEnabled(false); 988 } 989 View marketButton = findViewById(R.id.market_button); 990 if (marketButton != null) { 991 if (allAppsInfoTarget != null) { 992 allAppsInfoTarget.setOverlappingView(marketButton); 993 } 994 marketButton.setOnClickListener(new OnClickListener() { 995 public void onClick(View v) { 996 onClickAppMarketButton(v); 997 } 998 }); 999 } 1000 1001 dragController.setDragScoller(workspace); 1002 dragController.setScrollView(dragLayer); 1003 dragController.setMoveTarget(workspace); 1004 1005 // The order here is bottom to top. 1006 dragController.addDropTarget(workspace); 1007 dragController.addDropTarget(deleteZone); 1008 if (allAppsInfoTarget != null) { 1009 dragController.addDropTarget(allAppsInfoTarget); 1010 } 1011 if (allAppsDeleteZone != null) { 1012 dragController.addDropTarget(allAppsDeleteZone); 1013 } 1014 mButtonCluster = (ViewGroup) findViewById(R.id.all_apps_button_cluster); 1015 View.OnKeyListener listener = null; 1016 if (LauncherApplication.isScreenXLarge()) { 1017 // For tablets, AllApps lives in the button bar at the top 1018 listener = new ButtonBarKeyEventListener(); 1019 } else { 1020 // For phones, AppsCustomize lives in the "dock" at the bottom 1021 listener = new DockKeyEventListener(); 1022 } 1023 int buttonCount = mButtonCluster.getChildCount(); 1024 for (int i = 0; i < buttonCount; ++i) { 1025 mButtonCluster.getChildAt(i).setOnKeyListener(listener); 1026 } 1027 1028 mAllAppsButton = findViewById(R.id.all_apps_button); 1029 mDivider = findViewById(R.id.all_apps_divider); 1030 mConfigureButton = findViewById(R.id.configure_button); 1031 1032 // We had previously set these click handlers in XML, but the first time we launched 1033 // Configure or All Apps we had an extra 50ms of delay while the java reflection methods 1034 // found the right handler. Setting the handlers directly here eliminates that cost. 1035 if (mConfigureButton != null) { 1036 mConfigureButton.setOnClickListener(new OnClickListener() { 1037 public void onClick(View v) { 1038 onClickConfigureButton(v); 1039 } 1040 }); 1041 } 1042 if (mDivider != null) { 1043 mDivider.setOnClickListener(new OnClickListener() { 1044 public void onClick(View v) { 1045 onClickAllAppsButton(v); 1046 } 1047 }); 1048 } 1049 if (mAllAppsButton != null) { 1050 mAllAppsButton.setOnClickListener(new OnClickListener() { 1051 public void onClick(View v) { 1052 onClickAllAppsButton(v); 1053 } 1054 }); 1055 } 1056 } 1057 1058 @SuppressWarnings({"UnusedDeclaration"}) 1059 public void previousScreen(View v) { 1060 if (mState != State.ALL_APPS && mState != State.APPS_CUSTOMIZE) { 1061 mWorkspace.scrollLeft(); 1062 } 1063 } 1064 1065 @SuppressWarnings({"UnusedDeclaration"}) 1066 public void nextScreen(View v) { 1067 if (mState != State.ALL_APPS && mState != State.APPS_CUSTOMIZE) { 1068 mWorkspace.scrollRight(); 1069 } 1070 } 1071 1072 @SuppressWarnings({"UnusedDeclaration"}) 1073 public void launchHotSeat(View v) { 1074 if (mState == State.ALL_APPS) return; 1075 1076 int index = -1; 1077 if (v.getId() == R.id.hotseat_left) { 1078 index = 0; 1079 } else if (v.getId() == R.id.hotseat_right) { 1080 index = 1; 1081 } 1082 1083 // reload these every tap; you never know when they might change 1084 loadHotseats(); 1085 if (index >= 0 && index < mHotseats.length && mHotseats[index] != null) { 1086 startActivitySafely( 1087 mHotseats[index], 1088 "hotseat" 1089 ); 1090 } 1091 } 1092 1093 /** 1094 * Creates a view representing a shortcut. 1095 * 1096 * @param info The data structure describing the shortcut. 1097 * 1098 * @return A View inflated from R.layout.application. 1099 */ 1100 View createShortcut(ShortcutInfo info) { 1101 return createShortcut(R.layout.application, 1102 (ViewGroup) mWorkspace.getChildAt(mWorkspace.getCurrentPage()), info); 1103 } 1104 1105 /** 1106 * Creates a view representing a shortcut inflated from the specified resource. 1107 * 1108 * @param layoutResId The id of the XML layout used to create the shortcut. 1109 * @param parent The group the shortcut belongs to. 1110 * @param info The data structure describing the shortcut. 1111 * 1112 * @return A View inflated from layoutResId. 1113 */ 1114 View createShortcut(int layoutResId, ViewGroup parent, ShortcutInfo info) { 1115 BubbleTextView favorite = (BubbleTextView) mInflater.inflate(layoutResId, parent, false); 1116 favorite.applyFromShortcutInfo(info, mIconCache); 1117 favorite.setOnClickListener(this); 1118 return favorite; 1119 } 1120 1121 /** 1122 * Add an application shortcut to the workspace. 1123 * 1124 * @param data The intent describing the application. 1125 * @param cellInfo The position on screen where to create the shortcut. 1126 */ 1127 void completeAddApplication(Intent data, int screen, 1128 int intersectCellX, int intersectCellY) { 1129 final int[] cellXY = mTmpAddItemCellCoordinates; 1130 final CellLayout layout = (CellLayout) mWorkspace.getChildAt(screen); 1131 1132 if (!layout.findCellForSpanThatIntersects(cellXY, 1, 1, intersectCellX, intersectCellY)) { 1133 showOutOfSpaceMessage(); 1134 return; 1135 } 1136 1137 final ShortcutInfo info = mModel.getShortcutInfo(getPackageManager(), data, this); 1138 1139 if (info != null) { 1140 info.setActivity(data.getComponent(), Intent.FLAG_ACTIVITY_NEW_TASK | 1141 Intent.FLAG_ACTIVITY_RESET_TASK_IF_NEEDED); 1142 info.container = ItemInfo.NO_ID; 1143 mWorkspace.addApplicationShortcut(info, screen, cellXY[0], cellXY[1], 1144 isWorkspaceLocked(), mAddIntersectCellX, mAddIntersectCellY); 1145 } else { 1146 Log.e(TAG, "Couldn't find ActivityInfo for selected application: " + data); 1147 } 1148 } 1149 1150 /** 1151 * Add a shortcut to the workspace. 1152 * 1153 * @param data The intent describing the shortcut. 1154 * @param cellInfo The position on screen where to create the shortcut. 1155 */ 1156 private void completeAddShortcut(Intent data, int screen, 1157 int intersectCellX, int intersectCellY) { 1158 final int[] cellXY = mTmpAddItemCellCoordinates; 1159 final CellLayout layout = (CellLayout) mWorkspace.getChildAt(screen); 1160 1161 int[] touchXY = mAddDropPosition; 1162 boolean foundCellSpan = false; 1163 if (touchXY != null) { 1164 // when dragging and dropping, just find the closest free spot 1165 CellLayout screenLayout = (CellLayout) mWorkspace.getChildAt(screen); 1166 int[] result = screenLayout.findNearestVacantArea( 1167 touchXY[0], touchXY[1], 1, 1, cellXY); 1168 foundCellSpan = (result != null); 1169 } else { 1170 foundCellSpan = layout.findCellForSpanThatIntersects( 1171 cellXY, 1, 1, intersectCellX, intersectCellY); 1172 } 1173 1174 if (!foundCellSpan) { 1175 showOutOfSpaceMessage(); 1176 return; 1177 } 1178 1179 final ShortcutInfo info = mModel.addShortcut( 1180 this, data, screen, cellXY[0], cellXY[1], false); 1181 1182 if (!mRestoring) { 1183 final View view = createShortcut(info); 1184 mWorkspace.addInScreen(view, screen, cellXY[0], cellXY[1], 1, 1, isWorkspaceLocked()); 1185 } 1186 } 1187 1188 /** 1189 * Add a widget to the workspace. 1190 * 1191 * @param appWidgetId The app widget id 1192 * @param cellInfo The position on screen where to create the widget. 1193 */ 1194 private void completeAddAppWidget(final int appWidgetId, int screen) { 1195 AppWidgetProviderInfo appWidgetInfo = mAppWidgetManager.getAppWidgetInfo(appWidgetId); 1196 1197 // Calculate the grid spans needed to fit this widget 1198 CellLayout layout = (CellLayout) mWorkspace.getChildAt(screen); 1199 int[] spanXY = layout.rectToCell(appWidgetInfo.minWidth, appWidgetInfo.minHeight, null); 1200 1201 // Try finding open space on Launcher screen 1202 // We have saved the position to which the widget was dragged-- this really only matters 1203 // if we are placing widgets on a "spring-loaded" screen 1204 final int[] cellXY = mTmpAddItemCellCoordinates; 1205 1206 int[] touchXY = mAddDropPosition; 1207 boolean foundCellSpan = false; 1208 if (touchXY != null) { 1209 // when dragging and dropping, just find the closest free spot 1210 CellLayout screenLayout = (CellLayout) mWorkspace.getChildAt(screen); 1211 int[] result = screenLayout.findNearestVacantArea( 1212 touchXY[0], touchXY[1], spanXY[0], spanXY[1], cellXY); 1213 foundCellSpan = (result != null); 1214 } else { 1215 // if we long pressed on an empty cell to bring up a menu, 1216 // make sure we intersect the empty cell 1217 // if mAddIntersectCellX/Y are -1 (e.g. we used menu -> add) then 1218 // findCellForSpanThatIntersects will just ignore them 1219 foundCellSpan = layout.findCellForSpanThatIntersects(cellXY, spanXY[0], spanXY[1], 1220 mAddIntersectCellX, mAddIntersectCellY); 1221 } 1222 1223 if (!foundCellSpan) { 1224 if (appWidgetId != -1) { 1225 // Deleting an app widget ID is a void call but writes to disk before returning 1226 // to the caller... 1227 final LauncherAppWidgetHost appWidgetHost = mAppWidgetHost; 1228 new Thread("deleteAppWidgetId") { 1229 public void run() { 1230 mAppWidgetHost.deleteAppWidgetId(appWidgetId); 1231 } 1232 }.start(); 1233 } 1234 showOutOfSpaceMessage(); 1235 return; 1236 } 1237 1238 // Build Launcher-specific widget info and save to database 1239 LauncherAppWidgetInfo launcherInfo = new LauncherAppWidgetInfo(appWidgetId); 1240 launcherInfo.spanX = spanXY[0]; 1241 launcherInfo.spanY = spanXY[1]; 1242 1243 LauncherModel.addItemToDatabase(this, launcherInfo, 1244 LauncherSettings.Favorites.CONTAINER_DESKTOP, 1245 screen, cellXY[0], cellXY[1], false); 1246 1247 if (!mRestoring) { 1248 mDesktopItems.add(launcherInfo); 1249 1250 // Perform actual inflation because we're live 1251 launcherInfo.hostView = mAppWidgetHost.createView(this, appWidgetId, appWidgetInfo); 1252 1253 launcherInfo.hostView.setAppWidget(appWidgetId, appWidgetInfo); 1254 launcherInfo.hostView.setTag(launcherInfo); 1255 1256 mWorkspace.addInScreen(launcherInfo.hostView, screen, cellXY[0], cellXY[1], 1257 launcherInfo.spanX, launcherInfo.spanY, isWorkspaceLocked()); 1258 1259 addWidgetToAutoAdvanceIfNeeded(launcherInfo.hostView, appWidgetInfo); 1260 } 1261 } 1262 1263 private final BroadcastReceiver mReceiver = new BroadcastReceiver() { 1264 @Override 1265 public void onReceive(Context context, Intent intent) { 1266 final String action = intent.getAction(); 1267 if (Intent.ACTION_SCREEN_OFF.equals(action)) { 1268 mUserPresent = false; 1269 updateRunning(); 1270 1271 // Reset AllApps to it's initial state 1272 if (mAllAppsGrid != null) { 1273 mAllAppsGrid.reset(); 1274 } 1275 if (mAppsCustomizeContent != null) { 1276 mAppsCustomizeContent.reset(); 1277 } 1278 } else if (Intent.ACTION_USER_PRESENT.equals(action)) { 1279 mUserPresent = true; 1280 updateRunning(); 1281 } 1282 } 1283 }; 1284 1285 @Override 1286 public void onAttachedToWindow() { 1287 super.onAttachedToWindow(); 1288 1289 // Listen for broadcasts related to user-presence 1290 final IntentFilter filter = new IntentFilter(); 1291 filter.addAction(Intent.ACTION_SCREEN_OFF); 1292 filter.addAction(Intent.ACTION_USER_PRESENT); 1293 registerReceiver(mReceiver, filter); 1294 1295 mAttached = true; 1296 mVisible = true; 1297 } 1298 1299 @Override 1300 public void onDetachedFromWindow() { 1301 super.onDetachedFromWindow(); 1302 mVisible = false; 1303 1304 if (mAttached) { 1305 unregisterReceiver(mReceiver); 1306 mAttached = false; 1307 } 1308 updateRunning(); 1309 } 1310 1311 public void onWindowVisibilityChanged(int visibility) { 1312 mVisible = visibility == View.VISIBLE; 1313 updateRunning(); 1314 } 1315 1316 private void sendAdvanceMessage(long delay) { 1317 mHandler.removeMessages(ADVANCE_MSG); 1318 Message msg = mHandler.obtainMessage(ADVANCE_MSG); 1319 mHandler.sendMessageDelayed(msg, delay); 1320 mAutoAdvanceSentTime = System.currentTimeMillis(); 1321 } 1322 1323 private void updateRunning() { 1324 boolean autoAdvanceRunning = mVisible && mUserPresent && !mWidgetsToAdvance.isEmpty(); 1325 if (autoAdvanceRunning != mAutoAdvanceRunning) { 1326 mAutoAdvanceRunning = autoAdvanceRunning; 1327 if (autoAdvanceRunning) { 1328 long delay = mAutoAdvanceTimeLeft == -1 ? mAdvanceInterval : mAutoAdvanceTimeLeft; 1329 sendAdvanceMessage(delay); 1330 } else { 1331 if (!mWidgetsToAdvance.isEmpty()) { 1332 mAutoAdvanceTimeLeft = Math.max(0, mAdvanceInterval - 1333 (System.currentTimeMillis() - mAutoAdvanceSentTime)); 1334 } 1335 mHandler.removeMessages(ADVANCE_MSG); 1336 mHandler.removeMessages(0); // Remove messages sent using postDelayed() 1337 } 1338 } 1339 } 1340 1341 private final Handler mHandler = new Handler() { 1342 @Override 1343 public void handleMessage(Message msg) { 1344 if (msg.what == ADVANCE_MSG) { 1345 int i = 0; 1346 for (View key: mWidgetsToAdvance.keySet()) { 1347 final View v = key.findViewById(mWidgetsToAdvance.get(key).autoAdvanceViewId); 1348 final int delay = mAdvanceStagger * i; 1349 if (v instanceof Advanceable) { 1350 postDelayed(new Runnable() { 1351 public void run() { 1352 ((Advanceable) v).advance(); 1353 } 1354 }, delay); 1355 } 1356 i++; 1357 } 1358 sendAdvanceMessage(mAdvanceInterval); 1359 } 1360 } 1361 }; 1362 1363 void addWidgetToAutoAdvanceIfNeeded(View hostView, AppWidgetProviderInfo appWidgetInfo) { 1364 if (appWidgetInfo.autoAdvanceViewId == -1) return; 1365 View v = hostView.findViewById(appWidgetInfo.autoAdvanceViewId); 1366 if (v instanceof Advanceable) { 1367 mWidgetsToAdvance.put(hostView, appWidgetInfo); 1368 ((Advanceable) v).fyiWillBeAdvancedByHostKThx(); 1369 updateRunning(); 1370 } 1371 } 1372 1373 void removeWidgetToAutoAdvance(View hostView) { 1374 if (mWidgetsToAdvance.containsKey(hostView)) { 1375 mWidgetsToAdvance.remove(hostView); 1376 updateRunning(); 1377 } 1378 } 1379 1380 public void removeAppWidget(LauncherAppWidgetInfo launcherInfo) { 1381 mDesktopItems.remove(launcherInfo); 1382 removeWidgetToAutoAdvance(launcherInfo.hostView); 1383 launcherInfo.hostView = null; 1384 } 1385 1386 void showOutOfSpaceMessage() { 1387 Toast.makeText(this, getString(R.string.out_of_space), Toast.LENGTH_SHORT).show(); 1388 } 1389 1390 public LauncherAppWidgetHost getAppWidgetHost() { 1391 return mAppWidgetHost; 1392 } 1393 1394 public LauncherModel getModel() { 1395 return mModel; 1396 } 1397 1398 void closeSystemDialogs() { 1399 getWindow().closeAllPanels(); 1400 1401 try { 1402 dismissDialog(DIALOG_CREATE_SHORTCUT); 1403 // Unlock the workspace if the dialog was showing 1404 } catch (Exception e) { 1405 // An exception is thrown if the dialog is not visible, which is fine 1406 } 1407 1408 try { 1409 dismissDialog(DIALOG_RENAME_FOLDER); 1410 // Unlock the workspace if the dialog was showing 1411 } catch (Exception e) { 1412 // An exception is thrown if the dialog is not visible, which is fine 1413 } 1414 1415 // Whatever we were doing is hereby canceled. 1416 mWaitingForResult = false; 1417 } 1418 1419 @Override 1420 protected void onNewIntent(Intent intent) { 1421 super.onNewIntent(intent); 1422 1423 // Close the menu 1424 if (Intent.ACTION_MAIN.equals(intent.getAction())) { 1425 // also will cancel mWaitingForResult. 1426 closeSystemDialogs(); 1427 1428 boolean alreadyOnHome = ((intent.getFlags() & Intent.FLAG_ACTIVITY_BROUGHT_TO_FRONT) 1429 != Intent.FLAG_ACTIVITY_BROUGHT_TO_FRONT); 1430 1431 // In all these cases, only animate if we're already on home 1432 mWorkspace.unshrink(alreadyOnHome); 1433 mWorkspace.exitWidgetResizeMode(); 1434 if (alreadyOnHome && mState == State.WORKSPACE && !mWorkspace.isTouchActive()) { 1435 mWorkspace.moveToDefaultScreen(true); 1436 } 1437 showWorkspace(alreadyOnHome); 1438 1439 final View v = getWindow().peekDecorView(); 1440 if (v != null && v.getWindowToken() != null) { 1441 InputMethodManager imm = (InputMethodManager)getSystemService( 1442 INPUT_METHOD_SERVICE); 1443 imm.hideSoftInputFromWindow(v.getWindowToken(), 0); 1444 } 1445 1446 // Reset AllApps to it's initial state 1447 if (mAllAppsGrid != null) { 1448 mAllAppsGrid.reset(); 1449 } 1450 if (mAppsCustomizeContent != null) { 1451 mAppsCustomizeContent.reset(); 1452 } 1453 } 1454 } 1455 1456 @Override 1457 protected void onRestoreInstanceState(Bundle savedInstanceState) { 1458 // Do not call super here 1459 mSavedInstanceState = savedInstanceState; 1460 } 1461 1462 @Override 1463 protected void onSaveInstanceState(Bundle outState) { 1464 outState.putInt(RUNTIME_STATE_CURRENT_SCREEN, mWorkspace.getCurrentPage()); 1465 1466 final ArrayList<Folder> folders = mWorkspace.getOpenFolders(); 1467 if (folders.size() > 0) { 1468 final int count = folders.size(); 1469 long[] ids = new long[count]; 1470 for (int i = 0; i < count; i++) { 1471 final FolderInfo info = folders.get(i).getInfo(); 1472 ids[i] = info.id; 1473 } 1474 outState.putLongArray(RUNTIME_STATE_FOLDERS, ids); 1475 } else { 1476 super.onSaveInstanceState(outState); 1477 } 1478 1479 outState.putInt(RUNTIME_STATE, mState.ordinal()); 1480 1481 if (mAddScreen > -1 && mWaitingForResult) { 1482 outState.putInt(RUNTIME_STATE_PENDING_ADD_SCREEN, mAddScreen); 1483 outState.putInt(RUNTIME_STATE_PENDING_ADD_CELL_X, mAddIntersectCellX); 1484 outState.putInt(RUNTIME_STATE_PENDING_ADD_CELL_Y, mAddIntersectCellY); 1485 } 1486 1487 if (mFolderInfo != null && mWaitingForResult) { 1488 outState.putBoolean(RUNTIME_STATE_PENDING_FOLDER_RENAME, true); 1489 outState.putLong(RUNTIME_STATE_PENDING_FOLDER_RENAME_ID, mFolderInfo.id); 1490 } 1491 1492 // Save the current AllApps drawer tab 1493 if (mAllAppsGrid != null && mAllAppsGrid instanceof AllAppsTabbed) { 1494 AllAppsTabbed tabhost = (AllAppsTabbed) mAllAppsGrid; 1495 String currentTabTag = tabhost.getCurrentTabTag(); 1496 if (currentTabTag != null) { 1497 outState.putString("allapps_currentTab", currentTabTag); 1498 outState.putInt("allapps_currentPage", mAllAppsPagedView.getCurrentPage()); 1499 } 1500 } 1501 // Save the current customization drawer tab 1502 if (mHomeCustomizationDrawer != null) { 1503 String currentTabTag = mHomeCustomizationDrawer.getCurrentTabTag(); 1504 if (currentTabTag != null) { 1505 outState.putString("customize_currentTab", currentTabTag); 1506 } 1507 } 1508 // Save the current AppsCustomize tab 1509 if (mAppsCustomizeTabHost != null) { 1510 String currentTabTag = mAppsCustomizeTabHost.getCurrentTabTag(); 1511 if (currentTabTag != null) { 1512 outState.putString("apps_customize_currentTab", currentTabTag); 1513 } 1514 } 1515 } 1516 1517 @Override 1518 public void onDestroy() { 1519 super.onDestroy(); 1520 1521 try { 1522 mAppWidgetHost.stopListening(); 1523 } catch (NullPointerException ex) { 1524 Log.w(TAG, "problem while stopping AppWidgetHost during Launcher destruction", ex); 1525 } 1526 mAppWidgetHost = null; 1527 1528 mWidgetsToAdvance.clear(); 1529 1530 TextKeyListener.getInstance().release(); 1531 1532 mModel.stopLoader(); 1533 1534 unbindDesktopItems(); 1535 1536 getContentResolver().unregisterContentObserver(mWidgetObserver); 1537 1538 // Some launcher layouts don't have a previous and next view 1539 if (mPreviousView != null) { 1540 dismissPreview(mPreviousView); 1541 } 1542 if (mNextView != null) { 1543 dismissPreview(mNextView); 1544 } 1545 1546 unregisterReceiver(mCloseSystemDialogsReceiver); 1547 1548 ((ViewGroup) mWorkspace.getParent()).removeAllViews(); 1549 mWorkspace.removeAllViews(); 1550 mWorkspace = null; 1551 mDragController = null; 1552 1553 ValueAnimator.clearAllAnimations(); 1554 } 1555 1556 public DragController getDragController() { 1557 return mDragController; 1558 } 1559 1560 @Override 1561 public void startActivityForResult(Intent intent, int requestCode) { 1562 if (requestCode >= 0) mWaitingForResult = true; 1563 super.startActivityForResult(intent, requestCode); 1564 } 1565 1566 @Override 1567 public void startSearch(String initialQuery, boolean selectInitialQuery, 1568 Bundle appSearchData, boolean globalSearch) { 1569 1570 showWorkspace(true); 1571 1572 if (initialQuery == null) { 1573 // Use any text typed in the launcher as the initial query 1574 initialQuery = getTypedText(); 1575 clearTypedText(); 1576 } 1577 if (appSearchData == null) { 1578 appSearchData = new Bundle(); 1579 appSearchData.putString(Search.SOURCE, "launcher-search"); 1580 } 1581 1582 final SearchManager searchManager = 1583 (SearchManager) getSystemService(Context.SEARCH_SERVICE); 1584 searchManager.startSearch(initialQuery, selectInitialQuery, getComponentName(), 1585 appSearchData, globalSearch); 1586 } 1587 1588 @Override 1589 public boolean onCreateOptionsMenu(Menu menu) { 1590 if (isWorkspaceLocked()) { 1591 return false; 1592 } 1593 1594 super.onCreateOptionsMenu(menu); 1595 1596 menu.add(MENU_GROUP_ADD, MENU_ADD, 0, R.string.menu_add) 1597 .setIcon(android.R.drawable.ic_menu_add) 1598 .setAlphabeticShortcut('A'); 1599 menu.add(0, MENU_MANAGE_APPS, 0, R.string.menu_manage_apps) 1600 .setIcon(android.R.drawable.ic_menu_manage) 1601 .setAlphabeticShortcut('M'); 1602 menu.add(MENU_GROUP_WALLPAPER, MENU_WALLPAPER_SETTINGS, 0, R.string.menu_wallpaper) 1603 .setIcon(android.R.drawable.ic_menu_gallery) 1604 .setAlphabeticShortcut('W'); 1605 menu.add(0, MENU_SEARCH, 0, R.string.menu_search) 1606 .setIcon(android.R.drawable.ic_search_category_default) 1607 .setAlphabeticShortcut(SearchManager.MENU_KEY); 1608 menu.add(0, MENU_NOTIFICATIONS, 0, R.string.menu_notifications) 1609 .setIcon(com.android.internal.R.drawable.ic_menu_notifications) 1610 .setAlphabeticShortcut('N'); 1611 1612 final Intent settings = new Intent(android.provider.Settings.ACTION_SETTINGS); 1613 settings.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK | 1614 Intent.FLAG_ACTIVITY_RESET_TASK_IF_NEEDED); 1615 1616 menu.add(0, MENU_SETTINGS, 0, R.string.menu_settings) 1617 .setIcon(android.R.drawable.ic_menu_preferences).setAlphabeticShortcut('P') 1618 .setIntent(settings); 1619 1620 return true; 1621 } 1622 1623 @Override 1624 public boolean onPrepareOptionsMenu(Menu menu) { 1625 super.onPrepareOptionsMenu(menu); 1626 1627 if (mAllAppsGrid != null) { 1628 // If all apps is animating, don't show the menu, because we don't know 1629 // which one to show. 1630 if (mAllAppsGrid.isAnimating()) { 1631 return false; 1632 } 1633 1634 // Only show the add and wallpaper options when we're not in all apps. 1635 boolean visible = !mAllAppsGrid.isVisible(); 1636 menu.setGroupVisible(MENU_GROUP_ADD, visible); 1637 menu.setGroupVisible(MENU_GROUP_WALLPAPER, visible); 1638 1639 // Disable add if the workspace is full. 1640 if (visible) { 1641 CellLayout layout = (CellLayout) mWorkspace.getChildAt(mWorkspace.getCurrentPage()); 1642 menu.setGroupEnabled(MENU_GROUP_ADD, layout.existsEmptyCell()); 1643 } 1644 } 1645 1646 // TODO-APPS_CUSTOMIZE: Remove this for the phone UI at some point, along with all the menu 1647 // related code? 1648 if (mAppsCustomizeContent != null && mAppsCustomizeContent.isAnimating()) return false; 1649 1650 return true; 1651 } 1652 1653 @Override 1654 public boolean onOptionsItemSelected(MenuItem item) { 1655 switch (item.getItemId()) { 1656 case MENU_ADD: 1657 addItems(); 1658 return true; 1659 case MENU_MANAGE_APPS: 1660 manageApps(); 1661 return true; 1662 case MENU_WALLPAPER_SETTINGS: 1663 startWallpaper(); 1664 return true; 1665 case MENU_SEARCH: 1666 onSearchRequested(); 1667 return true; 1668 case MENU_NOTIFICATIONS: 1669 showNotifications(); 1670 return true; 1671 } 1672 1673 return super.onOptionsItemSelected(item); 1674 } 1675 1676 /** 1677 * Indicates that we want global search for this activity by setting the globalSearch 1678 * argument for {@link #startSearch} to true. 1679 */ 1680 1681 @Override 1682 public boolean onSearchRequested() { 1683 startSearch(null, false, null, true); 1684 return true; 1685 } 1686 1687 public boolean isWorkspaceLocked() { 1688 return mWorkspaceLoading || mWaitingForResult; 1689 } 1690 1691 // Is the workspace preview (brought up by long-pressing on a signpost icon) visible? 1692 private boolean isPreviewVisible() { 1693 return (mPreviousView != null && mPreviousView.getTag() != null) || 1694 (mNextView != null && mNextView.getTag() != null); 1695 } 1696 1697 private void addItems() { 1698 if (LauncherApplication.isScreenXLarge()) { 1699 // Animate the widget chooser up from the bottom of the screen 1700 if (mState != State.CUSTOMIZE) { 1701 showCustomizationDrawer(true); 1702 } 1703 } else { 1704 showWorkspace(true); 1705 showAddDialog(-1, -1); 1706 } 1707 } 1708 1709 private void resetAddInfo() { 1710 mAddScreen = -1; 1711 mAddIntersectCellX = -1; 1712 mAddIntersectCellY = -1; 1713 mAddDropPosition = null; 1714 } 1715 1716 void addAppWidgetFromDrop(PendingAddWidgetInfo info, int screen, int[] position) { 1717 resetAddInfo(); 1718 mAddScreen = screen; 1719 mAddDropPosition = position; 1720 1721 int appWidgetId = getAppWidgetHost().allocateAppWidgetId(); 1722 AppWidgetManager.getInstance(this).bindAppWidgetId(appWidgetId, info.componentName); 1723 addAppWidgetImpl(appWidgetId, info); 1724 } 1725 1726 private void manageApps() { 1727 startActivity(new Intent(android.provider.Settings.ACTION_MANAGE_ALL_APPLICATIONS_SETTINGS)); 1728 } 1729 1730 void addAppWidgetFromPick(Intent data) { 1731 // TODO: catch bad widget exception when sent 1732 int appWidgetId = data.getIntExtra(AppWidgetManager.EXTRA_APPWIDGET_ID, -1); 1733 // TODO: Is this log message meaningful? 1734 if (LOGD) Log.d(TAG, "dumping extras content=" + data.getExtras()); 1735 addAppWidgetImpl(appWidgetId, null); 1736 } 1737 1738 void addAppWidgetImpl(int appWidgetId, PendingAddWidgetInfo info) { 1739 AppWidgetProviderInfo appWidget = mAppWidgetManager.getAppWidgetInfo(appWidgetId); 1740 1741 if (appWidget.configure != null) { 1742 // Launch over to configure widget, if needed 1743 Intent intent = new Intent(AppWidgetManager.ACTION_APPWIDGET_CONFIGURE); 1744 intent.setComponent(appWidget.configure); 1745 intent.putExtra(AppWidgetManager.EXTRA_APPWIDGET_ID, appWidgetId); 1746 if (info != null) { 1747 if (info.mimeType != null && !info.mimeType.isEmpty()) { 1748 intent.putExtra( 1749 InstallWidgetReceiver.EXTRA_APPWIDGET_CONFIGURATION_DATA_MIME_TYPE, 1750 info.mimeType); 1751 1752 final String mimeType = info.mimeType; 1753 final ClipData clipData = (ClipData) info.configurationData; 1754 final ClipDescription clipDesc = clipData.getDescription(); 1755 for (int i = 0; i < clipDesc.getMimeTypeCount(); ++i) { 1756 if (clipDesc.getMimeType(i).equals(mimeType)) { 1757 final ClipData.Item item = clipData.getItemAt(i); 1758 final CharSequence stringData = item.getText(); 1759 final Uri uriData = item.getUri(); 1760 final Intent intentData = item.getIntent(); 1761 final String key = 1762 InstallWidgetReceiver.EXTRA_APPWIDGET_CONFIGURATION_DATA; 1763 if (uriData != null) { 1764 intent.putExtra(key, uriData); 1765 } else if (intentData != null) { 1766 intent.putExtra(key, intentData); 1767 } else if (stringData != null) { 1768 intent.putExtra(key, stringData); 1769 } 1770 break; 1771 } 1772 } 1773 } 1774 } 1775 1776 startActivityForResultSafely(intent, REQUEST_CREATE_APPWIDGET); 1777 } else { 1778 // Otherwise just add it 1779 completeAddAppWidget(appWidgetId, mAddScreen); 1780 } 1781 } 1782 1783 void processShortcutFromDrop(ComponentName componentName, int screen, int[] position) { 1784 resetAddInfo(); 1785 mAddScreen = screen; 1786 mAddDropPosition = position; 1787 1788 Intent createShortcutIntent = new Intent(Intent.ACTION_CREATE_SHORTCUT); 1789 createShortcutIntent.setComponent(componentName); 1790 processShortcut(createShortcutIntent); 1791 } 1792 1793 void processShortcut(Intent intent) { 1794 // Handle case where user selected "Applications" 1795 String applicationName = getResources().getString(R.string.group_applications); 1796 String shortcutName = intent.getStringExtra(Intent.EXTRA_SHORTCUT_NAME); 1797 1798 if (applicationName != null && applicationName.equals(shortcutName)) { 1799 Intent mainIntent = new Intent(Intent.ACTION_MAIN, null); 1800 mainIntent.addCategory(Intent.CATEGORY_LAUNCHER); 1801 1802 Intent pickIntent = new Intent(Intent.ACTION_PICK_ACTIVITY); 1803 pickIntent.putExtra(Intent.EXTRA_INTENT, mainIntent); 1804 pickIntent.putExtra(Intent.EXTRA_TITLE, getText(R.string.title_select_application)); 1805 startActivityForResultSafely(pickIntent, REQUEST_PICK_APPLICATION); 1806 } else { 1807 startActivityForResultSafely(intent, REQUEST_CREATE_SHORTCUT); 1808 } 1809 } 1810 1811 void processWallpaper(Intent intent) { 1812 startActivityForResult(intent, REQUEST_PICK_WALLPAPER); 1813 } 1814 1815 FolderIcon addFolder(int screen, int intersectCellX, int intersectCellY) { 1816 FolderInfo folderInfo = new FolderInfo(); 1817 folderInfo.title = getText(R.string.folder_name); 1818 1819 final CellLayout layout = (CellLayout) mWorkspace.getChildAt(screen); 1820 final int[] cellXY = mTmpAddItemCellCoordinates; 1821 if (!layout.findCellForSpanThatIntersects(cellXY, 1, 1, intersectCellX, intersectCellY)) { 1822 showOutOfSpaceMessage(); 1823 return null; 1824 } 1825 1826 // Update the model 1827 LauncherModel.addItemToDatabase(this, folderInfo, 1828 LauncherSettings.Favorites.CONTAINER_DESKTOP, 1829 screen, cellXY[0], cellXY[1], false); 1830 sFolders.put(folderInfo.id, folderInfo); 1831 1832 // Create the view 1833 FolderIcon newFolder = FolderIcon.fromXml(R.layout.folder_icon, this, 1834 (ViewGroup) mWorkspace.getChildAt(mWorkspace.getCurrentPage()), 1835 folderInfo, mIconCache); 1836 mWorkspace.addInScreen(newFolder, screen, cellXY[0], cellXY[1], 1, 1, isWorkspaceLocked()); 1837 return newFolder; 1838 } 1839 1840 void removeFolder(FolderInfo folder) { 1841 sFolders.remove(folder.id); 1842 } 1843 1844 private void showNotifications() { 1845 final StatusBarManager statusBar = (StatusBarManager) getSystemService(STATUS_BAR_SERVICE); 1846 if (statusBar != null) { 1847 statusBar.expand(); 1848 } 1849 } 1850 1851 private void startWallpaper() { 1852 showWorkspace(true); 1853 final Intent pickWallpaper = new Intent(Intent.ACTION_SET_WALLPAPER); 1854 Intent chooser = Intent.createChooser(pickWallpaper, 1855 getText(R.string.chooser_wallpaper)); 1856 // NOTE: Adds a configure option to the chooser if the wallpaper supports it 1857 // Removed in Eclair MR1 1858// WallpaperManager wm = (WallpaperManager) 1859// getSystemService(Context.WALLPAPER_SERVICE); 1860// WallpaperInfo wi = wm.getWallpaperInfo(); 1861// if (wi != null && wi.getSettingsActivity() != null) { 1862// LabeledIntent li = new LabeledIntent(getPackageName(), 1863// R.string.configure_wallpaper, 0); 1864// li.setClassName(wi.getPackageName(), wi.getSettingsActivity()); 1865// chooser.putExtra(Intent.EXTRA_INITIAL_INTENTS, new Intent[] { li }); 1866// } 1867 startActivityForResult(chooser, REQUEST_PICK_WALLPAPER); 1868 } 1869 1870 /** 1871 * Registers various content observers. The current implementation registers 1872 * only a favorites observer to keep track of the favorites applications. 1873 */ 1874 private void registerContentObservers() { 1875 ContentResolver resolver = getContentResolver(); 1876 resolver.registerContentObserver(LauncherProvider.CONTENT_APPWIDGET_RESET_URI, 1877 true, mWidgetObserver); 1878 } 1879 1880 @Override 1881 public boolean dispatchKeyEvent(KeyEvent event) { 1882 if (event.getAction() == KeyEvent.ACTION_DOWN) { 1883 switch (event.getKeyCode()) { 1884 case KeyEvent.KEYCODE_HOME: 1885 return true; 1886 case KeyEvent.KEYCODE_VOLUME_DOWN: 1887 if (SystemProperties.getInt("debug.launcher2.dumpstate", 0) != 0) { 1888 dumpState(); 1889 return true; 1890 } 1891 break; 1892 } 1893 } else if (event.getAction() == KeyEvent.ACTION_UP) { 1894 switch (event.getKeyCode()) { 1895 case KeyEvent.KEYCODE_HOME: 1896 return true; 1897 } 1898 } 1899 1900 return super.dispatchKeyEvent(event); 1901 } 1902 1903 @Override 1904 public void onBackPressed() { 1905 if (mState == State.ALL_APPS || mState == State.CUSTOMIZE || mState == State.APPS_CUSTOMIZE) { 1906 showWorkspace(true); 1907 } else if (mWorkspace.getOpenFolder() != null) { 1908 closeFolder(); 1909 } else if (isPreviewVisible()) { 1910 dismissPreview(mPreviousView); 1911 dismissPreview(mNextView); 1912 } else { 1913 mWorkspace.exitWidgetResizeMode(); 1914 1915 // Back button is a no-op here, but give at least some feedback for the button press 1916 mWorkspace.showOutlinesTemporarily(); 1917 } 1918 } 1919 1920 private void closeFolder() { 1921 Folder folder = mWorkspace.getOpenFolder(); 1922 if (folder != null) { 1923 closeFolder(folder); 1924 } 1925 } 1926 1927 void closeFolder(Folder folder) { 1928 folder.getInfo().opened = false; 1929 1930 ViewGroup parent = (ViewGroup) folder.getParent().getParent(); 1931 if (parent != null) { 1932 CellLayout cl = (CellLayout) parent; 1933 mDragController.removeDropTarget((DropTarget)folder); 1934 } 1935 1936 folder.animateClosed(); 1937 folder.onClose(); 1938 } 1939 1940 /** 1941 * Re-listen when widgets are reset. 1942 */ 1943 private void onAppWidgetReset() { 1944 if (mAppWidgetHost != null) { 1945 mAppWidgetHost.startListening(); 1946 } 1947 } 1948 1949 /** 1950 * Go through the and disconnect any of the callbacks in the drawables and the views or we 1951 * leak the previous Home screen on orientation change. 1952 */ 1953 private void unbindDesktopItems() { 1954 for (ItemInfo item: mDesktopItems) { 1955 item.unbind(); 1956 } 1957 mDesktopItems.clear(); 1958 } 1959 1960 /** 1961 * Launches the intent referred by the clicked shortcut. 1962 * 1963 * @param v The view representing the clicked shortcut. 1964 */ 1965 public void onClick(View v) { 1966 Object tag = v.getTag(); 1967 if (tag instanceof ShortcutInfo) { 1968 // Open shortcut 1969 final Intent intent = ((ShortcutInfo) tag).intent; 1970 int[] pos = new int[2]; 1971 v.getLocationOnScreen(pos); 1972 intent.setSourceBounds(new Rect(pos[0], pos[1], 1973 pos[0] + v.getWidth(), pos[1] + v.getHeight())); 1974 boolean success = startActivitySafely(intent, tag); 1975 1976 if (success && v instanceof BubbleTextView) { 1977 mWaitingForResume = (BubbleTextView) v; 1978 mWaitingForResume.setStayPressed(true); 1979 } 1980 } else if (tag instanceof FolderInfo) { 1981 if (v instanceof FolderIcon) { 1982 FolderIcon fi = (FolderIcon) v; 1983 handleFolderClick(fi); 1984 } 1985 } else if (v == mHandleView) { 1986 if (mState == State.ALL_APPS) { 1987 showWorkspace(true); 1988 } else { 1989 showAllApps(true); 1990 } 1991 } 1992 } 1993 1994 public boolean onTouch(View v, MotionEvent event) { 1995 // this is an intercepted event being forwarded from mWorkspace; 1996 // clicking anywhere on the workspace causes the customization drawer to slide down 1997 showWorkspace(true); 1998 return false; 1999 } 2000 2001 /** 2002 * Event handler for the search button 2003 * 2004 * @param v The view that was clicked. 2005 */ 2006 public void onClickSearchButton(View v) { 2007 startSearch(null, false, null, true); 2008 // Use a custom animation for launching search 2009 overridePendingTransition(R.anim.fade_in_fast, R.anim.fade_out_fast); 2010 } 2011 2012 /** 2013 * Event handler for the voice button 2014 * 2015 * @param v The view that was clicked. 2016 */ 2017 public void onClickVoiceButton(View v) { 2018 startVoiceSearch(); 2019 } 2020 2021 private void startVoiceSearch() { 2022 Intent intent = new Intent(RecognizerIntent.ACTION_WEB_SEARCH); 2023 intent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK); 2024 startActivity(intent); 2025 } 2026 2027 /** 2028 * Event handler for the "gear" button that appears on the home screen, which 2029 * enters home screen customization mode. 2030 * 2031 * @param v The view that was clicked. 2032 */ 2033 public void onClickConfigureButton(View v) { 2034 addItems(); 2035 } 2036 2037 /** 2038 * Event handler for the "grid" button that appears on the home screen, which 2039 * enters all apps mode. 2040 * 2041 * @param v The view that was clicked. 2042 */ 2043 public void onClickAllAppsButton(View v) { 2044 showAllApps(true); 2045 } 2046 2047 public void onClickAppMarketButton(View v) { 2048 if (mAppMarketIntent != null) { 2049 startActivitySafely(mAppMarketIntent, "app market"); 2050 } 2051 } 2052 2053 void startApplicationDetailsActivity(ComponentName componentName) { 2054 String packageName = componentName.getPackageName(); 2055 Intent intent = new Intent(Settings.ACTION_APPLICATION_DETAILS_SETTINGS, 2056 Uri.fromParts("package", packageName, null)); 2057 startActivity(intent); 2058 } 2059 2060 void startApplicationUninstallActivity(ApplicationInfo appInfo) { 2061 if ((appInfo.flags & ApplicationInfo.DOWNLOADED_FLAG) == 0) { 2062 // System applications cannot be installed. For now, show a toast explaining that. 2063 // We may give them the option of disabling apps this way. 2064 int messageId = R.string.uninstall_system_app_text; 2065 Toast.makeText(this, messageId, Toast.LENGTH_SHORT).show(); 2066 } else { 2067 String packageName = appInfo.componentName.getPackageName(); 2068 String className = appInfo.componentName.getClassName(); 2069 Intent intent = new Intent( 2070 Intent.ACTION_DELETE, Uri.fromParts("package", packageName, className)); 2071 startActivity(intent); 2072 } 2073 } 2074 2075 boolean startActivitySafely(Intent intent, Object tag) { 2076 intent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK); 2077 try { 2078 startActivity(intent); 2079 return true; 2080 } catch (ActivityNotFoundException e) { 2081 Toast.makeText(this, R.string.activity_not_found, Toast.LENGTH_SHORT).show(); 2082 Log.e(TAG, "Unable to launch. tag=" + tag + " intent=" + intent, e); 2083 } catch (SecurityException e) { 2084 Toast.makeText(this, R.string.activity_not_found, Toast.LENGTH_SHORT).show(); 2085 Log.e(TAG, "Launcher does not have the permission to launch " + intent + 2086 ". Make sure to create a MAIN intent-filter for the corresponding activity " + 2087 "or use the exported attribute for this activity. " 2088 + "tag="+ tag + " intent=" + intent, e); 2089 } 2090 return false; 2091 } 2092 2093 void startActivityForResultSafely(Intent intent, int requestCode) { 2094 try { 2095 startActivityForResult(intent, requestCode); 2096 } catch (ActivityNotFoundException e) { 2097 Toast.makeText(this, R.string.activity_not_found, Toast.LENGTH_SHORT).show(); 2098 } catch (SecurityException e) { 2099 Toast.makeText(this, R.string.activity_not_found, Toast.LENGTH_SHORT).show(); 2100 Log.e(TAG, "Launcher does not have the permission to launch " + intent + 2101 ". Make sure to create a MAIN intent-filter for the corresponding activity " + 2102 "or use the exported attribute for this activity.", e); 2103 } 2104 } 2105 2106 private void handleFolderClick(FolderIcon folderIcon) { 2107 final FolderInfo info = folderIcon.mInfo; 2108 if (!info.opened) { 2109 // Close any open folder 2110 closeFolder(); 2111 // Open the requested folder 2112 openFolder(folderIcon); 2113 } else { 2114 // Find the open folder... 2115 Folder openFolder = mWorkspace.getFolderForTag(info); 2116 int folderScreen; 2117 if (openFolder != null) { 2118 folderScreen = mWorkspace.getPageForView(openFolder); 2119 // .. and close it 2120 closeFolder(openFolder); 2121 if (folderScreen != mWorkspace.getCurrentPage()) { 2122 // Close any folder open on the current screen 2123 closeFolder(); 2124 // Pull the folder onto this screen 2125 openFolder(folderIcon); 2126 } 2127 } 2128 } 2129 } 2130 2131 /** 2132 * Opens the user folder described by the specified tag. The opening of the folder 2133 * is animated relative to the specified View. If the View is null, no animation 2134 * is played. 2135 * 2136 * @param folderInfo The FolderInfo describing the folder to open. 2137 */ 2138 public void openFolder(FolderIcon folderIcon) { 2139 Folder folder = folderIcon.mFolder; 2140 FolderInfo info = folder.mInfo; 2141 2142 info.opened = true; 2143 2144 mWorkspace.addInFullScreen(folder, info.screen); 2145 folder.animateOpen(); 2146 folder.onOpen(); 2147 } 2148 2149 public boolean onLongClick(View v) { 2150 if (mState != State.WORKSPACE) { 2151 return false; 2152 } 2153 2154 switch (v.getId()) { 2155 case R.id.previous_screen: 2156 if (mState != State.ALL_APPS && mState != State.APPS_CUSTOMIZE) { 2157 mWorkspace.performHapticFeedback(HapticFeedbackConstants.LONG_PRESS, 2158 HapticFeedbackConstants.FLAG_IGNORE_VIEW_SETTING); 2159 showPreviews(v); 2160 } 2161 return true; 2162 case R.id.next_screen: 2163 if (mState != State.ALL_APPS && mState != State.APPS_CUSTOMIZE) { 2164 mWorkspace.performHapticFeedback(HapticFeedbackConstants.LONG_PRESS, 2165 HapticFeedbackConstants.FLAG_IGNORE_VIEW_SETTING); 2166 showPreviews(v); 2167 } 2168 return true; 2169 case R.id.all_apps_button: 2170 if (mState != State.ALL_APPS && mState != State.APPS_CUSTOMIZE) { 2171 mWorkspace.performHapticFeedback(HapticFeedbackConstants.LONG_PRESS, 2172 HapticFeedbackConstants.FLAG_IGNORE_VIEW_SETTING); 2173 showPreviews(v); 2174 } 2175 return true; 2176 } 2177 2178 if (isWorkspaceLocked()) { 2179 return false; 2180 } 2181 2182 if (!(v instanceof CellLayout)) { 2183 v = (View) v.getParent().getParent(); 2184 } 2185 2186 resetAddInfo(); 2187 CellLayout.CellInfo longClickCellInfo = (CellLayout.CellInfo) v.getTag(); 2188 // This happens when long clicking an item with the dpad/trackball 2189 if (longClickCellInfo == null || !longClickCellInfo.valid) { 2190 return true; 2191 } 2192 2193 final View itemUnderLongClick = longClickCellInfo.cell; 2194 2195 if (mWorkspace.allowLongPress() && !mDragController.isDragging()) { 2196 if (itemUnderLongClick == null) { 2197 // User long pressed on empty space 2198 mWorkspace.setAllowLongPress(false); 2199 mWorkspace.performHapticFeedback(HapticFeedbackConstants.LONG_PRESS, 2200 HapticFeedbackConstants.FLAG_IGNORE_VIEW_SETTING); 2201 if (LauncherApplication.isScreenXLarge()) { 2202 addItems(); 2203 } else { 2204 startWallpaper(); 2205 } 2206 } else { 2207 if (!(itemUnderLongClick instanceof Folder)) { 2208 // User long pressed on an item 2209 mWorkspace.performHapticFeedback(HapticFeedbackConstants.LONG_PRESS, 2210 HapticFeedbackConstants.FLAG_IGNORE_VIEW_SETTING); 2211 mAddIntersectCellX = longClickCellInfo.cellX; 2212 mAddIntersectCellY = longClickCellInfo.cellY; 2213 mWorkspace.startDrag(longClickCellInfo); 2214 } 2215 } 2216 } 2217 return true; 2218 } 2219 2220 @SuppressWarnings({"unchecked"}) 2221 private void dismissPreview(final View v) { 2222 final PopupWindow window = (PopupWindow) v.getTag(); 2223 if (window != null) { 2224 window.setOnDismissListener(new PopupWindow.OnDismissListener() { 2225 public void onDismiss() { 2226 ViewGroup group = (ViewGroup) v.getTag(R.id.workspace); 2227 int count = group.getChildCount(); 2228 for (int i = 0; i < count; i++) { 2229 ((ImageView) group.getChildAt(i)).setImageDrawable(null); 2230 } 2231 ArrayList<Bitmap> bitmaps = 2232 (ArrayList<Bitmap>) v.getTag(R.id.all_apps_button_cluster); 2233 for (Bitmap bitmap : bitmaps) bitmap.recycle(); 2234 2235 v.setTag(R.id.workspace, null); 2236 v.setTag(R.id.all_apps_button_cluster, null); 2237 window.setOnDismissListener(null); 2238 } 2239 }); 2240 window.dismiss(); 2241 } 2242 v.setTag(null); 2243 } 2244 2245 private void showPreviews(View anchor) { 2246 showPreviews(anchor, 0, mWorkspace.getChildCount()); 2247 } 2248 2249 private void showPreviews(final View anchor, int start, int end) { 2250 final Resources resources = getResources(); 2251 final Workspace workspace = mWorkspace; 2252 2253 CellLayout cell = ((CellLayout) workspace.getChildAt(start)); 2254 2255 float max = workspace.getChildCount(); 2256 2257 final Rect r = new Rect(); 2258 resources.getDrawable(R.drawable.preview_background).getPadding(r); 2259 int extraW = (int) ((r.left + r.right) * max); 2260 int extraH = r.top + r.bottom; 2261 2262 int aW = cell.getWidth() - extraW; 2263 float w = aW / max; 2264 2265 int width = cell.getWidth(); 2266 int height = cell.getHeight(); 2267 int x = cell.getLeftPadding(); 2268 int y = cell.getTopPadding(); 2269 width -= (x + cell.getRightPadding()); 2270 height -= (y + cell.getBottomPadding()); 2271 2272 float scale = w / width; 2273 2274 int count = end - start; 2275 2276 final float sWidth = width * scale; 2277 float sHeight = height * scale; 2278 2279 LinearLayout preview = new LinearLayout(this); 2280 2281 PreviewTouchHandler handler = new PreviewTouchHandler(anchor); 2282 ArrayList<Bitmap> bitmaps = new ArrayList<Bitmap>(count); 2283 2284 for (int i = start; i < end; i++) { 2285 ImageView image = new ImageView(this); 2286 cell = (CellLayout) workspace.getChildAt(i); 2287 2288 final Bitmap bitmap = Bitmap.createBitmap((int) sWidth, (int) sHeight, 2289 Bitmap.Config.ARGB_8888); 2290 2291 final Canvas c = new Canvas(bitmap); 2292 c.scale(scale, scale); 2293 c.translate(-cell.getLeftPadding(), -cell.getTopPadding()); 2294 cell.drawChildren(c); 2295 2296 image.setBackgroundDrawable(resources.getDrawable(R.drawable.preview_background)); 2297 image.setImageBitmap(bitmap); 2298 image.setTag(i); 2299 image.setOnClickListener(handler); 2300 image.setOnFocusChangeListener(handler); 2301 image.setFocusable(true); 2302 if (i == mWorkspace.getCurrentPage()) image.requestFocus(); 2303 2304 preview.addView(image, 2305 LinearLayout.LayoutParams.WRAP_CONTENT, LinearLayout.LayoutParams.WRAP_CONTENT); 2306 2307 bitmaps.add(bitmap); 2308 } 2309 2310 final PopupWindow p = new PopupWindow(this); 2311 p.setContentView(preview); 2312 p.setWidth((int) (sWidth * count + extraW)); 2313 p.setHeight((int) (sHeight + extraH)); 2314 p.setAnimationStyle(R.style.AnimationPreview); 2315 p.setOutsideTouchable(true); 2316 p.setFocusable(true); 2317 p.setBackgroundDrawable(new ColorDrawable(0)); 2318 p.showAsDropDown(anchor, 0, 0); 2319 2320 p.setOnDismissListener(new PopupWindow.OnDismissListener() { 2321 public void onDismiss() { 2322 dismissPreview(anchor); 2323 } 2324 }); 2325 2326 anchor.setTag(p); 2327 anchor.setTag(R.id.workspace, preview); 2328 anchor.setTag(R.id.all_apps_button_cluster, bitmaps); 2329 } 2330 2331 class PreviewTouchHandler implements View.OnClickListener, Runnable, View.OnFocusChangeListener { 2332 private final View mAnchor; 2333 2334 public PreviewTouchHandler(View anchor) { 2335 mAnchor = anchor; 2336 } 2337 2338 public void onClick(View v) { 2339 mWorkspace.snapToPage((Integer) v.getTag()); 2340 v.post(this); 2341 } 2342 2343 public void run() { 2344 dismissPreview(mAnchor); 2345 } 2346 2347 public void onFocusChange(View v, boolean hasFocus) { 2348 if (hasFocus) { 2349 mWorkspace.snapToPage((Integer) v.getTag()); 2350 } 2351 } 2352 } 2353 2354 Workspace getWorkspace() { 2355 return mWorkspace; 2356 } 2357 2358 TabHost getCustomizationDrawer() { 2359 return mHomeCustomizationDrawer; 2360 } 2361 2362 @Override 2363 protected Dialog onCreateDialog(int id) { 2364 switch (id) { 2365 case DIALOG_CREATE_SHORTCUT: 2366 return new CreateShortcut().createDialog(); 2367 case DIALOG_RENAME_FOLDER: 2368 return new RenameFolder().createDialog(); 2369 } 2370 2371 return super.onCreateDialog(id); 2372 } 2373 2374 @Override 2375 protected void onPrepareDialog(int id, Dialog dialog) { 2376 switch (id) { 2377 case DIALOG_CREATE_SHORTCUT: 2378 break; 2379 case DIALOG_RENAME_FOLDER: 2380 if (mFolderInfo != null) { 2381 EditText input = (EditText) dialog.findViewById(R.id.folder_name); 2382 final CharSequence text = mFolderInfo.title; 2383 input.setText(text); 2384 input.setSelection(0, text.length()); 2385 } 2386 break; 2387 } 2388 } 2389 2390 void showRenameDialog(FolderInfo info) { 2391 mFolderInfo = info; 2392 mWaitingForResult = true; 2393 showDialog(DIALOG_RENAME_FOLDER); 2394 } 2395 2396 private void showAddDialog(int intersectX, int intersectY) { 2397 resetAddInfo(); 2398 mAddIntersectCellX = intersectX; 2399 mAddIntersectCellY = intersectY; 2400 mAddScreen = mWorkspace.getCurrentPage(); 2401 mWaitingForResult = true; 2402 showDialog(DIALOG_CREATE_SHORTCUT); 2403 } 2404 2405 private void pickShortcut() { 2406 // Insert extra item to handle picking application 2407 Bundle bundle = new Bundle(); 2408 2409 ArrayList<String> shortcutNames = new ArrayList<String>(); 2410 shortcutNames.add(getString(R.string.group_applications)); 2411 bundle.putStringArrayList(Intent.EXTRA_SHORTCUT_NAME, shortcutNames); 2412 2413 ArrayList<ShortcutIconResource> shortcutIcons = new ArrayList<ShortcutIconResource>(); 2414 shortcutIcons.add(ShortcutIconResource.fromContext(Launcher.this, 2415 R.drawable.ic_launcher_application)); 2416 bundle.putParcelableArrayList(Intent.EXTRA_SHORTCUT_ICON_RESOURCE, shortcutIcons); 2417 2418 Intent pickIntent = new Intent(Intent.ACTION_PICK_ACTIVITY); 2419 pickIntent.putExtra(Intent.EXTRA_INTENT, new Intent(Intent.ACTION_CREATE_SHORTCUT)); 2420 pickIntent.putExtra(Intent.EXTRA_TITLE, getText(R.string.title_select_shortcut)); 2421 pickIntent.putExtras(bundle); 2422 2423 startActivityForResult(pickIntent, REQUEST_PICK_SHORTCUT); 2424 } 2425 2426 private class RenameFolder { 2427 private EditText mInput; 2428 2429 Dialog createDialog() { 2430 final View layout = View.inflate(Launcher.this, R.layout.rename_folder, null); 2431 mInput = (EditText) layout.findViewById(R.id.folder_name); 2432 2433 AlertDialog.Builder builder = new AlertDialog.Builder(Launcher.this); 2434 builder.setIcon(0); 2435 builder.setTitle(getString(R.string.rename_folder_title)); 2436 builder.setCancelable(true); 2437 builder.setOnCancelListener(new Dialog.OnCancelListener() { 2438 public void onCancel(DialogInterface dialog) { 2439 cleanup(); 2440 } 2441 }); 2442 builder.setNegativeButton(getString(R.string.cancel_action), 2443 new Dialog.OnClickListener() { 2444 public void onClick(DialogInterface dialog, int which) { 2445 cleanup(); 2446 } 2447 } 2448 ); 2449 builder.setPositiveButton(getString(R.string.rename_action), 2450 new Dialog.OnClickListener() { 2451 public void onClick(DialogInterface dialog, int which) { 2452 changeFolderName(); 2453 } 2454 } 2455 ); 2456 builder.setView(layout); 2457 2458 final AlertDialog dialog = builder.create(); 2459 dialog.setOnShowListener(new DialogInterface.OnShowListener() { 2460 public void onShow(DialogInterface dialog) { 2461 mWaitingForResult = true; 2462 mInput.requestFocus(); 2463 InputMethodManager inputManager = (InputMethodManager) 2464 getSystemService(Context.INPUT_METHOD_SERVICE); 2465 inputManager.showSoftInput(mInput, 0); 2466 } 2467 }); 2468 2469 return dialog; 2470 } 2471 2472 private void changeFolderName() { 2473 final String name = mInput.getText().toString(); 2474 if (!TextUtils.isEmpty(name)) { 2475 // Make sure we have the right folder info 2476 mFolderInfo = sFolders.get(mFolderInfo.id); 2477 mFolderInfo.title = name; 2478 LauncherModel.updateItemInDatabase(Launcher.this, mFolderInfo); 2479 2480 if (mWorkspaceLoading) { 2481 lockAllApps(); 2482 mModel.startLoader(Launcher.this, false); 2483 } else { 2484 final FolderIcon folderIcon = (FolderIcon) 2485 mWorkspace.getViewForTag(mFolderInfo); 2486 if (folderIcon != null) { 2487 // TODO: At some point we'll probably want some version of setting 2488 // the text for a folder icon. 2489 //folderIcon.setText(name); 2490 getWorkspace().requestLayout(); 2491 } else { 2492 lockAllApps(); 2493 mWorkspaceLoading = true; 2494 mModel.startLoader(Launcher.this, false); 2495 } 2496 } 2497 } 2498 cleanup(); 2499 } 2500 2501 private void cleanup() { 2502 dismissDialog(DIALOG_RENAME_FOLDER); 2503 mWaitingForResult = false; 2504 mFolderInfo = null; 2505 } 2506 } 2507 2508 // Now a part of LauncherModel.Callbacks. Used to reorder loading steps. 2509 public boolean isAllAppsVisible() { 2510 return (mState == State.ALL_APPS) || (mState == State.APPS_CUSTOMIZE); 2511 } 2512 2513 // AllAppsView.Watcher 2514 public void zoomed(float zoom) { 2515 // In XLarge view, we zoom down the workspace below all apps so it's still visible 2516 if (zoom == 1.0f && !LauncherApplication.isScreenXLarge()) { 2517 mWorkspace.setVisibility(View.GONE); 2518 } 2519 } 2520 2521 private void showAndEnableToolbarButton(View button) { 2522 button.setVisibility(View.VISIBLE); 2523 } 2524 2525 private void hideToolbarButton(View button) { 2526 // We can't set it to GONE, otherwise the RelativeLayout gets screwed up 2527 button.setVisibility(View.INVISIBLE); 2528 button.setAlpha(0.0f); 2529 } 2530 2531 /** 2532 * Helper function for showing or hiding a toolbar button, possibly animated. 2533 * 2534 * @param show If true, create an animation to the show the item. Otherwise, hide it. 2535 * @param view The toolbar button to be animated 2536 * @param seq A AnimatorSet that will be used to animate the transition. If null, the 2537 * transition will not be animated. 2538 */ 2539 private void hideOrShowToolbarButton(boolean show, final View view, AnimatorSet seq) { 2540 final boolean showing = show; 2541 final boolean hiding = !show; 2542 2543 final int duration = show ? 2544 getResources().getInteger(R.integer.config_toolbarButtonFadeInTime) : 2545 getResources().getInteger(R.integer.config_toolbarButtonFadeOutTime); 2546 2547 if (seq != null) { 2548 ValueAnimator anim = ValueAnimator.ofFloat(view.getAlpha(), show ? 1.0f : 0.0f); 2549 anim.setDuration(duration); 2550 anim.addUpdateListener(new AnimatorUpdateListener() { 2551 public void onAnimationUpdate(ValueAnimator animation) { 2552 view.setAlpha((Float) animation.getAnimatedValue()); 2553 } 2554 }); 2555 anim.addListener(new AnimatorListenerAdapter() { 2556 @Override 2557 public void onAnimationStart(Animator animation) { 2558 if (showing) showAndEnableToolbarButton(view); 2559 } 2560 @Override 2561 public void onAnimationEnd(Animator animation) { 2562 if (hiding) hideToolbarButton(view); 2563 } 2564 }); 2565 seq.play(anim); 2566 } else { 2567 if (showing) { 2568 showAndEnableToolbarButton(view); 2569 view.setAlpha(1f); 2570 } else { 2571 hideToolbarButton(view); 2572 } 2573 } 2574 } 2575 2576 /** 2577 * Show/hide the appropriate toolbar buttons for newState. 2578 * If showSeq or hideSeq is null, the transition will be done immediately (not animated). 2579 * 2580 * @param newState The state that is being switched to 2581 * @param showSeq AnimatorSet in which to put "show" animations, or null. 2582 * @param hideSeq AnimatorSet in which to put "hide" animations, or null. 2583 */ 2584 private void hideAndShowToolbarButtons(State newState, AnimatorSet showSeq, AnimatorSet hideSeq) { 2585 switch (newState) { 2586 case WORKSPACE: 2587 hideOrShowToolbarButton(true, mButtonCluster, showSeq); 2588 mDeleteZone.setDragAndDropEnabled(true); 2589 if (LauncherApplication.isScreenXLarge()) { 2590 mDeleteZone.setText(getResources().getString(R.string.delete_zone_label_workspace)); 2591 } 2592 break; 2593 case ALL_APPS: 2594 case APPS_CUSTOMIZE: 2595 hideOrShowToolbarButton(false, mButtonCluster, hideSeq); 2596 mDeleteZone.setDragAndDropEnabled(false); 2597 if (LauncherApplication.isScreenXLarge()) { 2598 mDeleteZone.setText(getResources().getString(R.string.delete_zone_label_all_apps)); 2599 } 2600 break; 2601 case CUSTOMIZE: 2602 hideOrShowToolbarButton(false, mButtonCluster, hideSeq); 2603 mDeleteZone.setDragAndDropEnabled(false); 2604 break; 2605 } 2606 } 2607 2608 /** 2609 * Helper method for the cameraZoomIn/cameraZoomOut animations 2610 * @param view The view being animated 2611 * @param state The state that we are moving in or out of -- either ALL_APPS or CUSTOMIZE 2612 * @param scaleFactor The scale factor used for the zoom 2613 */ 2614 private void setPivotsForZoom(View view, State state, float scaleFactor) { 2615 final int height = view.getHeight(); 2616 2617 view.setPivotX(view.getWidth() / 2.0f); 2618 // Set pivotY so that at the starting zoom factor, the view is partially 2619 // visible. Modifying initialHeightFactor changes how much of the view is 2620 // initially showing, and hence the perceived angle from which the view enters. 2621 if (state == State.ALL_APPS || state == State.APPS_CUSTOMIZE) { 2622 final float initialHeightFactor = 0.175f; 2623 view.setPivotY((1 - initialHeightFactor) * height); 2624 } else { 2625 final float initialHeightFactor = 0.2f; 2626 view.setPivotY(-initialHeightFactor * height); 2627 } 2628 } 2629 2630 /** 2631 * Zoom the camera out from the workspace to reveal 'toView'. 2632 * Assumes that the view to show is anchored at either the very top or very bottom 2633 * of the screen. 2634 * @param toState The state to zoom out to. Must be ALL_APPS or CUSTOMIZE. 2635 */ 2636 private void cameraZoomOut(State toState, boolean animated, boolean springLoaded) { 2637 final Resources res = getResources(); 2638 final boolean toAllApps = (toState == State.ALL_APPS) 2639 || (toState == State.APPS_CUSTOMIZE); 2640 2641 final int duration = (toAllApps ? 2642 res.getInteger(R.integer.config_appsCustomizeZoomInTime) : 2643 res.getInteger(R.integer.config_customizeZoomInTime)); 2644 final int fadeDuration = (toAllApps ? 2645 res.getInteger(R.integer.config_appsCustomizeFadeInTime) : 2646 res.getInteger(R.integer.config_customizeFadeInTime)); 2647 2648 final float scale = toAllApps ? 2649 (float) res.getInteger(R.integer.config_appsCustomizeZoomScaleFactor) : 2650 (float) res.getInteger(R.integer.config_customizeZoomScaleFactor); 2651 2652 View tmpView; 2653 if (toAllApps) { 2654 tmpView = (LauncherApplication.isScreenXLarge()) 2655 ? (View) mAllAppsGrid : mAppsCustomizeTabHost; 2656 } else { 2657 tmpView = mHomeCustomizationDrawer; 2658 } 2659 final View toView = tmpView; 2660 2661 setPivotsForZoom(toView, toState, scale); 2662 2663 if (toAllApps) { 2664 if (!springLoaded) { 2665 mWorkspace.shrink(ShrinkState.BOTTOM_HIDDEN, animated); 2666 2667 if (LauncherApplication.isScreenXLarge()) { 2668 // Everytime we launch into AllApps, we reset the successful drop flag which 2669 // controls when it should hide/show the mini workspaces 2670 mAllAppsPagedView.resetSuccessfulDropFlag(); 2671 } 2672 } else { 2673 mWorkspace.shrink(ShrinkState.BOTTOM_VISIBLE, animated); 2674 } 2675 } else { 2676 mWorkspace.shrink(ShrinkState.TOP, animated); 2677 } 2678 2679 if (animated) { 2680 final ValueAnimator scaleAnim = ValueAnimator.ofFloat(0f, 1f).setDuration(duration); 2681 scaleAnim.setInterpolator(new Workspace.ZoomOutInterpolator()); 2682 scaleAnim.addUpdateListener(new LauncherAnimatorUpdateListener() { 2683 public void onAnimationUpdate(float a, float b) { 2684 ((View) toView.getParent()).fastInvalidate(); 2685 toView.setFastScaleX(a * scale + b * 1f); 2686 toView.setFastScaleY(a * scale + b * 1f); 2687 } 2688 }); 2689 2690 if (toAllApps) { 2691 toView.setVisibility(View.VISIBLE); 2692 toView.setFastAlpha(0f); 2693 ValueAnimator alphaAnim = ValueAnimator.ofFloat(0f, 1f).setDuration(fadeDuration); 2694 alphaAnim.setInterpolator(new DecelerateInterpolator(1.5f)); 2695 alphaAnim.addUpdateListener(new LauncherAnimatorUpdateListener() { 2696 public void onAnimationUpdate(float a, float b) { 2697 // don't need to invalidate because we do so above 2698 toView.setFastAlpha(a * 0f + b * 1f); 2699 } 2700 }); 2701 alphaAnim.start(); 2702 } 2703 2704 if (toView instanceof LauncherTransitionable) { 2705 ((LauncherTransitionable) toView).onLauncherTransitionStart(scaleAnim); 2706 } 2707 scaleAnim.addListener(new AnimatorListenerAdapter() { 2708 @Override 2709 public void onAnimationStart(Animator animation) { 2710 // Prepare the position 2711 toView.setTranslationX(0.0f); 2712 toView.setTranslationY(0.0f); 2713 toView.setVisibility(View.VISIBLE); 2714 toView.bringToFront(); 2715 if (!toAllApps) { 2716 toView.setFastAlpha(1.0f); 2717 } 2718 } 2719 @Override 2720 public void onAnimationEnd(Animator animation) { 2721 // If we don't set the final scale values here, if this animation is cancelled 2722 // it will have the wrong scale value and subsequent cameraPan animations will 2723 // not fix that 2724 toView.setScaleX(1.0f); 2725 toView.setScaleY(1.0f); 2726 if (toView instanceof LauncherTransitionable) { 2727 ((LauncherTransitionable) toView).onLauncherTransitionEnd(scaleAnim); 2728 } 2729 } 2730 }); 2731 2732 AnimatorSet toolbarHideAnim = new AnimatorSet(); 2733 AnimatorSet toolbarShowAnim = new AnimatorSet(); 2734 hideAndShowToolbarButtons(toState, toolbarShowAnim, toolbarHideAnim); 2735 2736 // toView should appear right at the end of the workspace shrink animation 2737 final int startDelay = 0; 2738 2739 if (mStateAnimation != null) mStateAnimation.cancel(); 2740 mStateAnimation = new AnimatorSet(); 2741 mStateAnimation.playTogether(scaleAnim, toolbarHideAnim); 2742 mStateAnimation.play(scaleAnim).after(startDelay); 2743 2744 // Show the new toolbar buttons just as the main animation is ending 2745 final int fadeInTime = res.getInteger(R.integer.config_toolbarButtonFadeInTime); 2746 mStateAnimation.play(toolbarShowAnim).after(duration + startDelay - fadeInTime); 2747 mStateAnimation.start(); 2748 } else { 2749 toView.setTranslationX(0.0f); 2750 toView.setTranslationY(0.0f); 2751 toView.setScaleX(1.0f); 2752 toView.setScaleY(1.0f); 2753 toView.setVisibility(View.VISIBLE); 2754 toView.bringToFront(); 2755 if (toView instanceof LauncherTransitionable) { 2756 ((LauncherTransitionable) toView).onLauncherTransitionStart(null); 2757 ((LauncherTransitionable) toView).onLauncherTransitionEnd(null); 2758 } 2759 hideAndShowToolbarButtons(toState, null, null); 2760 } 2761 } 2762 2763 /** 2764 * Zoom the camera back into the workspace, hiding 'fromView'. 2765 * This is the opposite of cameraZoomOut. 2766 * @param fromState The current state (must be ALL_APPS or CUSTOMIZE). 2767 * @param animated If true, the transition will be animated. 2768 */ 2769 private void cameraZoomIn(State fromState, boolean animated, boolean springLoaded) { 2770 Resources res = getResources(); 2771 final boolean fromAllApps = (fromState == State.ALL_APPS) 2772 || (fromState == State.APPS_CUSTOMIZE); 2773 2774 int duration = fromAllApps ? 2775 res.getInteger(R.integer.config_appsCustomizeZoomOutTime) : 2776 res.getInteger(R.integer.config_customizeZoomOutTime); 2777 2778 final float scaleFactor = fromAllApps ? 2779 (float) res.getInteger(R.integer.config_appsCustomizeZoomScaleFactor) : 2780 (float) res.getInteger(R.integer.config_customizeZoomScaleFactor); 2781 2782 View tmpView; 2783 if (fromAllApps) { 2784 tmpView = (LauncherApplication.isScreenXLarge()) 2785 ? (View) mAllAppsGrid : mAppsCustomizeTabHost; 2786 } else { 2787 tmpView = mHomeCustomizationDrawer; 2788 } 2789 final View fromView = tmpView; 2790 2791 if (LauncherApplication.isScreenXLarge()) { 2792 mCustomizePagedView.endChoiceMode(); 2793 mAllAppsPagedView.endChoiceMode(); 2794 } 2795 2796 setPivotsForZoom(fromView, fromState, scaleFactor); 2797 2798 if (!springLoaded) { 2799 mWorkspace.unshrink(animated); 2800 } 2801 if (animated) { 2802 if (mStateAnimation != null) mStateAnimation.cancel(); 2803 mStateAnimation = new AnimatorSet(); 2804 2805 final float oldScaleX = fromView.getScaleX(); 2806 final float oldScaleY = fromView.getScaleY(); 2807 2808 ValueAnimator scaleAnim = ValueAnimator.ofFloat(0f, 1f).setDuration(duration); 2809 scaleAnim.setInterpolator(new Workspace.ZoomInInterpolator()); 2810 scaleAnim.addUpdateListener(new LauncherAnimatorUpdateListener() { 2811 public void onAnimationUpdate(float a, float b) { 2812 ((View)fromView.getParent()).fastInvalidate(); 2813 fromView.setFastScaleX(a * oldScaleX + b * scaleFactor); 2814 fromView.setFastScaleY(a * oldScaleY + b * scaleFactor); 2815 } 2816 }); 2817 final ValueAnimator alphaAnim = ValueAnimator.ofFloat(0f, 1f); 2818 alphaAnim.setDuration(res.getInteger(R.integer.config_appsCustomizeFadeOutTime)); 2819 alphaAnim.setInterpolator(new DecelerateInterpolator(1.5f)); 2820 alphaAnim.addUpdateListener(new LauncherAnimatorUpdateListener() { 2821 public void onAnimationUpdate(float a, float b) { 2822 // don't need to invalidate because we do so above 2823 fromView.setFastAlpha(a * 1f + b * 0f); 2824 } 2825 }); 2826 if (fromView instanceof LauncherTransitionable) { 2827 ((LauncherTransitionable) fromView).onLauncherTransitionStart(alphaAnim); 2828 } 2829 alphaAnim.addListener(new AnimatorListenerAdapter() { 2830 @Override 2831 public void onAnimationEnd(Animator animation) { 2832 fromView.setVisibility(View.GONE); 2833 if (fromView instanceof LauncherTransitionable) { 2834 ((LauncherTransitionable) fromView).onLauncherTransitionEnd(alphaAnim); 2835 } 2836 } 2837 }); 2838 2839 AnimatorSet toolbarHideAnim = new AnimatorSet(); 2840 AnimatorSet toolbarShowAnim = new AnimatorSet(); 2841 if (!springLoaded) { 2842 hideAndShowToolbarButtons(State.WORKSPACE, toolbarShowAnim, toolbarHideAnim); 2843 } 2844 2845 mStateAnimation.playTogether(scaleAnim, toolbarHideAnim, alphaAnim); 2846 2847 // Show the new toolbar buttons at the very end of the whole animation 2848 final int fadeInTime = res.getInteger(R.integer.config_toolbarButtonFadeInTime); 2849 final int unshrinkTime = res.getInteger(R.integer.config_workspaceUnshrinkTime); 2850 mStateAnimation.play(toolbarShowAnim).after(unshrinkTime - fadeInTime); 2851 mStateAnimation.start(); 2852 } else { 2853 fromView.setVisibility(View.GONE); 2854 if (fromView instanceof LauncherTransitionable) { 2855 ((LauncherTransitionable) fromView).onLauncherTransitionStart(null); 2856 ((LauncherTransitionable) fromView).onLauncherTransitionEnd(null); 2857 } 2858 if (!springLoaded) { 2859 hideAndShowToolbarButtons(State.WORKSPACE, null, null); 2860 } 2861 } 2862 } 2863 2864 void showWorkspace(boolean animated) { 2865 showWorkspace(animated, null); 2866 } 2867 2868 void showWorkspace(boolean animated, CellLayout layout) { 2869 if (layout != null) { 2870 // always animated, but that's ok since we never specify a layout and 2871 // want no animation 2872 mWorkspace.unshrink(layout); 2873 } else { 2874 mWorkspace.unshrink(animated); 2875 } 2876 if (mState == State.ALL_APPS || mState == State.APPS_CUSTOMIZE) { 2877 closeAllApps(animated); 2878 } else if (mState == State.CUSTOMIZE) { 2879 hideCustomizationDrawer(animated); 2880 } 2881 2882 // Change the state *after* we've called all the transition code 2883 mState = State.WORKSPACE; 2884 2885 // Resume the auto-advance of widgets 2886 mUserPresent = true; 2887 updateRunning(); 2888 2889 // send an accessibility event to announce the context change 2890 getWindow().getDecorView().sendAccessibilityEvent(AccessibilityEvent.TYPE_VIEW_SELECTED); 2891 } 2892 2893 void enterSpringLoadedDragMode(CellLayout layout) { 2894 mWorkspace.enterSpringLoadedDragMode(layout); 2895 if (mState == State.ALL_APPS || mState == State.APPS_CUSTOMIZE) { 2896 mState = State.ALL_APPS_SPRING_LOADED; 2897 if (LauncherApplication.isScreenXLarge()) { 2898 cameraZoomIn(State.ALL_APPS, true, true); 2899 } else { 2900 cameraZoomIn(State.APPS_CUSTOMIZE, true, true); 2901 } 2902 } else if (mState == State.CUSTOMIZE) { 2903 mState = State.CUSTOMIZE_SPRING_LOADED; 2904 cameraZoomIn(State.CUSTOMIZE, true, true); 2905 }/* else { 2906 // we're already in spring loaded mode; don't do anything 2907 }*/ 2908 } 2909 2910 void exitSpringLoadedDragMode() { 2911 if (mState == State.ALL_APPS_SPRING_LOADED) { 2912 mWorkspace.exitSpringLoadedDragMode(Workspace.ShrinkState.BOTTOM_VISIBLE); 2913 if (LauncherApplication.isScreenXLarge()) { 2914 cameraZoomOut(State.ALL_APPS, true, true); 2915 mState = State.ALL_APPS; 2916 } else { 2917 cameraZoomOut(State.APPS_CUSTOMIZE, true, true); 2918 mState = State.APPS_CUSTOMIZE; 2919 } 2920 } else if (mState == State.CUSTOMIZE_SPRING_LOADED) { 2921 mWorkspace.exitSpringLoadedDragMode(Workspace.ShrinkState.TOP); 2922 cameraZoomOut(State.CUSTOMIZE, true, true); 2923 mState = State.CUSTOMIZE; 2924 }/* else { 2925 // we're not in spring loaded mode; don't do anything 2926 }*/ 2927 } 2928 2929 void showAllApps(boolean animated) { 2930 if (mState != State.WORKSPACE) return; 2931 if (LauncherApplication.isScreenXLarge()) { 2932 cameraZoomOut(State.ALL_APPS, animated, false); 2933 ((View) mAllAppsGrid).requestFocus(); 2934 2935 // TODO: fade these two too 2936 mDeleteZone.setVisibility(View.GONE); 2937 2938 // Change the state *after* we've called all the transition code 2939 mState = State.ALL_APPS; 2940 } else { 2941 View appsCustomizePane = findViewById(R.id.apps_customize_pane); 2942 cameraZoomOut(State.APPS_CUSTOMIZE, animated, false); 2943 appsCustomizePane.requestFocus(); 2944 2945 // Change the state *after* we've called all the transition code 2946 mState = State.APPS_CUSTOMIZE; 2947 } 2948 2949 // Pause the auto-advance of widgets until we are out of AllApps 2950 mUserPresent = false; 2951 updateRunning(); 2952 2953 // Send an accessibility event to announce the context change 2954 getWindow().getDecorView().sendAccessibilityEvent(AccessibilityEvent.TYPE_VIEW_SELECTED); 2955 } 2956 2957 /** 2958 * Things to test when changing this code. 2959 * - Home from workspace 2960 * - from center screen 2961 * - from other screens 2962 * - Home from all apps 2963 * - from center screen 2964 * - from other screens 2965 * - Back from all apps 2966 * - from center screen 2967 * - from other screens 2968 * - Launch app from workspace and quit 2969 * - with back 2970 * - with home 2971 * - Launch app from all apps and quit 2972 * - with back 2973 * - with home 2974 * - Go to a screen that's not the default, then all 2975 * apps, and launch and app, and go back 2976 * - with back 2977 * -with home 2978 * - On workspace, long press power and go back 2979 * - with back 2980 * - with home 2981 * - On all apps, long press power and go back 2982 * - with back 2983 * - with home 2984 * - On workspace, power off 2985 * - On all apps, power off 2986 * - Launch an app and turn off the screen while in that app 2987 * - Go back with home key 2988 * - Go back with back key TODO: make this not go to workspace 2989 * - From all apps 2990 * - From workspace 2991 * - Enter and exit car mode (becuase it causes an extra configuration changed) 2992 * - From all apps 2993 * - From the center workspace 2994 * - From another workspace 2995 */ 2996 void closeAllApps(boolean animated) { 2997 if (LauncherApplication.isScreenXLarge()) { 2998 if (mState == State.ALL_APPS || mState == State.ALL_APPS_SPRING_LOADED) { 2999 mWorkspace.setVisibility(View.VISIBLE); 3000 cameraZoomIn(State.ALL_APPS, animated, false); 3001 3002 // Set focus to the AllApps button 3003 findViewById(R.id.all_apps_button).requestFocus(); 3004 } 3005 } else { 3006 if (mState == State.APPS_CUSTOMIZE || mState == State.ALL_APPS_SPRING_LOADED) { 3007 mWorkspace.setVisibility(View.VISIBLE); 3008 cameraZoomIn(State.APPS_CUSTOMIZE, animated, false); 3009 3010 // Set focus to the AllApps button 3011 findViewById(R.id.all_apps_button).requestFocus(); 3012 } 3013 } 3014 } 3015 3016 void lockAllApps() { 3017 // TODO 3018 } 3019 3020 void unlockAllApps() { 3021 // TODO 3022 } 3023 3024 // Show the customization drawer (only exists in x-large configuration) 3025 private void showCustomizationDrawer(boolean animated) { 3026 if (mState != State.WORKSPACE) { 3027 return; 3028 } 3029 3030 cameraZoomOut(State.CUSTOMIZE, animated, false); 3031 3032 // Change the state *after* we've called all the transition code 3033 mState = State.CUSTOMIZE; 3034 3035 // Pause the auto-advance of widgets until we are out of Customization drawer 3036 mUserPresent = false; 3037 updateRunning(); 3038 } 3039 3040 // Hide the customization drawer (only exists in x-large configuration) 3041 void hideCustomizationDrawer(boolean animated) { 3042 if (mState == State.CUSTOMIZE || mState == State.CUSTOMIZE_SPRING_LOADED) { 3043 cameraZoomIn(State.CUSTOMIZE, animated, false); 3044 3045 // Set focus to the customize button 3046 findViewById(R.id.configure_button).requestFocus(); 3047 } 3048 } 3049 3050 /** 3051 * Add an item from all apps or customize onto the given workspace screen. 3052 * If layout is null, add to the current screen. 3053 */ 3054 void addExternalItemToScreen(ItemInfo itemInfo, final CellLayout layout) { 3055 if (!mWorkspace.addExternalItemToScreen(itemInfo, layout)) { 3056 showOutOfSpaceMessage(); 3057 } else { 3058 layout.animateDrop(); 3059 } 3060 } 3061 3062 void onWorkspaceClick(CellLayout layout) { 3063 showWorkspace(true, layout); 3064 } 3065 3066 private Drawable getExternalPackageToolbarIcon(ComponentName activityName) { 3067 try { 3068 PackageManager packageManager = getPackageManager(); 3069 // Look for the toolbar icon specified in the activity meta-data 3070 Bundle metaData = packageManager.getActivityInfo( 3071 activityName, PackageManager.GET_META_DATA).metaData; 3072 if (metaData != null) { 3073 int iconResId = metaData.getInt(TOOLBAR_ICON_METADATA_NAME); 3074 if (iconResId != 0) { 3075 Resources res = packageManager.getResourcesForActivity(activityName); 3076 return res.getDrawable(iconResId); 3077 } 3078 } 3079 } catch (NameNotFoundException e) { 3080 // Do nothing 3081 } 3082 return null; 3083 } 3084 3085 // if successful in getting icon, return it; otherwise, set button to use default drawable 3086 private Drawable.ConstantState updateTextButtonWithIconFromExternalActivity( 3087 int buttonId, ComponentName activityName, int fallbackDrawableId) { 3088 TextView button = (TextView) findViewById(buttonId); 3089 Drawable toolbarIcon = getExternalPackageToolbarIcon(activityName); 3090 3091 // If we were unable to find the icon via the meta-data, use a generic one 3092 if (toolbarIcon == null) { 3093 button.setCompoundDrawablesWithIntrinsicBounds(fallbackDrawableId, 0, 0, 0); 3094 return null; 3095 } else { 3096 button.setCompoundDrawablesWithIntrinsicBounds(toolbarIcon, null, null, null); 3097 return toolbarIcon.getConstantState(); 3098 } 3099 } 3100 3101 // if successful in getting icon, return it; otherwise, set button to use default drawable 3102 private Drawable.ConstantState updateButtonWithIconFromExternalActivity( 3103 int buttonId, ComponentName activityName, int fallbackDrawableId) { 3104 ImageView button = (ImageView) findViewById(buttonId); 3105 Drawable toolbarIcon = getExternalPackageToolbarIcon(activityName); 3106 3107 // If we were unable to find the icon via the meta-data, use a generic one 3108 if (toolbarIcon == null) { 3109 button.setImageResource(fallbackDrawableId); 3110 return null; 3111 } else { 3112 button.setImageDrawable(toolbarIcon); 3113 return toolbarIcon.getConstantState(); 3114 } 3115 } 3116 3117 private void updateTextButtonWithDrawable(int buttonId, Drawable.ConstantState d) { 3118 TextView button = (TextView) findViewById(buttonId); 3119 button.setCompoundDrawables(d.newDrawable(getResources()), null, null, null); 3120 } 3121 3122 private void updateButtonWithDrawable(int buttonId, Drawable.ConstantState d) { 3123 ImageView button = (ImageView) findViewById(buttonId); 3124 button.setImageDrawable(d.newDrawable(getResources())); 3125 } 3126 3127 private void updateGlobalSearchIcon() { 3128 if (LauncherApplication.isScreenXLarge()) { 3129 final View searchButton = findViewById(R.id.search_button); 3130 final View searchDivider = findViewById(R.id.search_divider); 3131 3132 final SearchManager searchManager = 3133 (SearchManager) getSystemService(Context.SEARCH_SERVICE); 3134 ComponentName activityName = searchManager.getGlobalSearchActivity(); 3135 if (activityName != null) { 3136 sGlobalSearchIcon = updateButtonWithIconFromExternalActivity( 3137 R.id.search_button, activityName, R.drawable.ic_generic_search); 3138 searchButton.setVisibility(View.VISIBLE); 3139 searchDivider.setVisibility(View.VISIBLE); 3140 } else { 3141 searchButton.setVisibility(View.GONE); 3142 searchDivider.setVisibility(View.GONE); 3143 } 3144 } 3145 } 3146 3147 private void updateGlobalSearchIcon(Drawable.ConstantState d) { 3148 updateButtonWithDrawable(R.id.search_button, d); 3149 } 3150 3151 private void updateVoiceSearchIcon() { 3152 if (LauncherApplication.isScreenXLarge()) { 3153 final View searchDivider = findViewById(R.id.search_divider); 3154 final View voiceButton = findViewById(R.id.voice_button); 3155 3156 Intent intent = new Intent(RecognizerIntent.ACTION_WEB_SEARCH); 3157 ComponentName activityName = intent.resolveActivity(getPackageManager()); 3158 if (activityName != null) { 3159 sVoiceSearchIcon = updateButtonWithIconFromExternalActivity( 3160 R.id.voice_button, activityName, R.drawable.ic_voice_search); 3161 searchDivider.setVisibility(View.VISIBLE); 3162 voiceButton.setVisibility(View.VISIBLE); 3163 } else { 3164 searchDivider.setVisibility(View.GONE); 3165 voiceButton.setVisibility(View.GONE); 3166 } 3167 } 3168 } 3169 3170 private void updateVoiceSearchIcon(Drawable.ConstantState d) { 3171 updateButtonWithDrawable(R.id.voice_button, d); 3172 } 3173 3174 /** 3175 * Sets the app market icon (shown when all apps is visible on x-large screens) 3176 */ 3177 private void updateAppMarketIcon() { 3178 final View marketButton = findViewById(R.id.market_button); 3179 Intent intent = new Intent(Intent.ACTION_MAIN).addCategory(Intent.CATEGORY_APP_MARKET); 3180 // Find the app market activity by resolving an intent. 3181 // (If multiple app markets are installed, it will return the ResolverActivity.) 3182 ComponentName activityName = intent.resolveActivity(getPackageManager()); 3183 if (activityName != null) { 3184 mAppMarketIntent = intent; 3185 sAppMarketIcon = updateTextButtonWithIconFromExternalActivity( 3186 R.id.market_button, activityName, R.drawable.app_market_generic); 3187 marketButton.setVisibility(View.VISIBLE); 3188 } else { 3189 // We should hide and disable the view so that we don't try and restore the visibility 3190 // of it when we swap between drag & normal states from IconDropTarget subclasses. 3191 marketButton.setVisibility(View.GONE); 3192 marketButton.setEnabled(false); 3193 } 3194 } 3195 3196 private void updateAppMarketIcon(Drawable.ConstantState d) { 3197 updateTextButtonWithDrawable(R.id.market_button, d); 3198 } 3199 3200 /** 3201 * Displays the shortcut creation dialog and launches, if necessary, the 3202 * appropriate activity. 3203 */ 3204 private class CreateShortcut implements DialogInterface.OnClickListener, 3205 DialogInterface.OnCancelListener, DialogInterface.OnDismissListener, 3206 DialogInterface.OnShowListener { 3207 3208 private AddAdapter mAdapter; 3209 3210 Dialog createDialog() { 3211 mAdapter = new AddAdapter(Launcher.this); 3212 3213 final AlertDialog.Builder builder = new AlertDialog.Builder(Launcher.this); 3214 builder.setTitle(getString(R.string.menu_item_add_item)); 3215 builder.setAdapter(mAdapter, this); 3216 3217 builder.setInverseBackgroundForced(true); 3218 3219 AlertDialog dialog = builder.create(); 3220 dialog.setOnCancelListener(this); 3221 dialog.setOnDismissListener(this); 3222 dialog.setOnShowListener(this); 3223 3224 return dialog; 3225 } 3226 3227 public void onCancel(DialogInterface dialog) { 3228 mWaitingForResult = false; 3229 cleanup(); 3230 } 3231 3232 public void onDismiss(DialogInterface dialog) { 3233 } 3234 3235 private void cleanup() { 3236 try { 3237 dismissDialog(DIALOG_CREATE_SHORTCUT); 3238 } catch (Exception e) { 3239 // An exception is thrown if the dialog is not visible, which is fine 3240 } 3241 } 3242 3243 /** 3244 * Handle the action clicked in the "Add to home" dialog. 3245 */ 3246 public void onClick(DialogInterface dialog, int which) { 3247 Resources res = getResources(); 3248 cleanup(); 3249 3250 switch (which) { 3251 case AddAdapter.ITEM_SHORTCUT: { 3252 pickShortcut(); 3253 break; 3254 } 3255 3256 case AddAdapter.ITEM_APPWIDGET: { 3257 int appWidgetId = Launcher.this.mAppWidgetHost.allocateAppWidgetId(); 3258 3259 Intent pickIntent = new Intent(AppWidgetManager.ACTION_APPWIDGET_PICK); 3260 pickIntent.putExtra(AppWidgetManager.EXTRA_APPWIDGET_ID, appWidgetId); 3261 // start the pick activity 3262 startActivityForResult(pickIntent, REQUEST_PICK_APPWIDGET); 3263 break; 3264 } 3265 3266 case AddAdapter.ITEM_WALLPAPER: { 3267 startWallpaper(); 3268 break; 3269 } 3270 } 3271 } 3272 3273 public void onShow(DialogInterface dialog) { 3274 mWaitingForResult = true; 3275 } 3276 } 3277 3278 /** 3279 * Receives notifications when applications are added/removed. 3280 */ 3281 private class CloseSystemDialogsIntentReceiver extends BroadcastReceiver { 3282 @Override 3283 public void onReceive(Context context, Intent intent) { 3284 closeSystemDialogs(); 3285 String reason = intent.getStringExtra("reason"); 3286 if (!"homekey".equals(reason)) { 3287 boolean animate = true; 3288 if (mPaused || "lock".equals(reason)) { 3289 animate = false; 3290 } 3291 showWorkspace(animate); 3292 } 3293 } 3294 } 3295 3296 /** 3297 * Receives notifications whenever the appwidgets are reset. 3298 */ 3299 private class AppWidgetResetObserver extends ContentObserver { 3300 public AppWidgetResetObserver() { 3301 super(new Handler()); 3302 } 3303 3304 @Override 3305 public void onChange(boolean selfChange) { 3306 onAppWidgetReset(); 3307 } 3308 } 3309 3310 /** 3311 * If the activity is currently paused, signal that we need to re-run the loader 3312 * in onResume. 3313 * 3314 * This needs to be called from incoming places where resources might have been loaded 3315 * while we are paused. That is becaues the Configuration might be wrong 3316 * when we're not running, and if it comes back to what it was when we 3317 * were paused, we are not restarted. 3318 * 3319 * Implementation of the method from LauncherModel.Callbacks. 3320 * 3321 * @return true if we are currently paused. The caller might be able to 3322 * skip some work in that case since we will come back again. 3323 */ 3324 public boolean setLoadOnResume() { 3325 if (mPaused) { 3326 Log.i(TAG, "setLoadOnResume"); 3327 mOnResumeNeedsLoad = true; 3328 return true; 3329 } else { 3330 return false; 3331 } 3332 } 3333 3334 /** 3335 * Implementation of the method from LauncherModel.Callbacks. 3336 */ 3337 public int getCurrentWorkspaceScreen() { 3338 if (mWorkspace != null) { 3339 return mWorkspace.getCurrentPage(); 3340 } else { 3341 return SCREEN_COUNT / 2; 3342 } 3343 } 3344 3345 void setAllAppsPagedView(AllAppsPagedView view) { 3346 mAllAppsPagedView = view; 3347 } 3348 3349 /** 3350 * Refreshes the shortcuts shown on the workspace. 3351 * 3352 * Implementation of the method from LauncherModel.Callbacks. 3353 */ 3354 public void startBinding() { 3355 final Workspace workspace = mWorkspace; 3356 3357 mWorkspace.clearDropTargets(); 3358 int count = workspace.getChildCount(); 3359 for (int i = 0; i < count; i++) { 3360 // Use removeAllViewsInLayout() to avoid an extra requestLayout() and invalidate(). 3361 final CellLayout layoutParent = (CellLayout) workspace.getChildAt(i); 3362 layoutParent.removeAllViewsInLayout(); 3363 } 3364 3365 if (DEBUG_USER_INTERFACE) { 3366 android.widget.Button finishButton = new android.widget.Button(this); 3367 finishButton.setText("Finish"); 3368 workspace.addInScreen(finishButton, 1, 0, 0, 1, 1); 3369 3370 finishButton.setOnClickListener(new android.widget.Button.OnClickListener() { 3371 public void onClick(View v) { 3372 finish(); 3373 } 3374 }); 3375 } 3376 3377 // This wasn't being called before which resulted in a leak of AppWidgetHostViews (through 3378 // mDesktopItems -> AppWidgetInfo -> hostView). 3379 unbindDesktopItems(); 3380 } 3381 3382 /** 3383 * Bind the items start-end from the list. 3384 * 3385 * Implementation of the method from LauncherModel.Callbacks. 3386 */ 3387 public void bindItems(ArrayList<ItemInfo> shortcuts, int start, int end) { 3388 3389 setLoadOnResume(); 3390 3391 final Workspace workspace = mWorkspace; 3392 3393 for (int i=start; i<end; i++) { 3394 final ItemInfo item = shortcuts.get(i); 3395 mDesktopItems.add(item); 3396 switch (item.itemType) { 3397 case LauncherSettings.Favorites.ITEM_TYPE_APPLICATION: 3398 case LauncherSettings.Favorites.ITEM_TYPE_SHORTCUT: 3399 final View shortcut = createShortcut((ShortcutInfo)item); 3400 workspace.addInScreen(shortcut, item.screen, item.cellX, item.cellY, 1, 1, 3401 false); 3402 break; 3403 case LauncherSettings.Favorites.ITEM_TYPE_FOLDER: 3404 final FolderIcon newFolder = FolderIcon.fromXml(R.layout.folder_icon, this, 3405 (ViewGroup) workspace.getChildAt(workspace.getCurrentPage()), 3406 (FolderInfo) item, mIconCache); 3407 workspace.addInScreen(newFolder, item.screen, item.cellX, item.cellY, 1, 1, 3408 false); 3409 break; 3410 } 3411 } 3412 3413 workspace.requestLayout(); 3414 } 3415 3416 /** 3417 * Implementation of the method from LauncherModel.Callbacks. 3418 */ 3419 public void bindFolders(HashMap<Long, FolderInfo> folders) { 3420 setLoadOnResume(); 3421 sFolders.clear(); 3422 sFolders.putAll(folders); 3423 } 3424 3425 /** 3426 * Add the views for a widget to the workspace. 3427 * 3428 * Implementation of the method from LauncherModel.Callbacks. 3429 */ 3430 public void bindAppWidget(LauncherAppWidgetInfo item) { 3431 setLoadOnResume(); 3432 3433 final long start = DEBUG_WIDGETS ? SystemClock.uptimeMillis() : 0; 3434 if (DEBUG_WIDGETS) { 3435 Log.d(TAG, "bindAppWidget: " + item); 3436 } 3437 final Workspace workspace = mWorkspace; 3438 3439 final int appWidgetId = item.appWidgetId; 3440 final AppWidgetProviderInfo appWidgetInfo = mAppWidgetManager.getAppWidgetInfo(appWidgetId); 3441 if (DEBUG_WIDGETS) { 3442 Log.d(TAG, "bindAppWidget: id=" + item.appWidgetId + " belongs to component " + appWidgetInfo.provider); 3443 } 3444 3445 item.hostView = mAppWidgetHost.createView(this, appWidgetId, appWidgetInfo); 3446 3447 item.hostView.setAppWidget(appWidgetId, appWidgetInfo); 3448 item.hostView.setTag(item); 3449 3450 workspace.addInScreen(item.hostView, item.screen, item.cellX, 3451 item.cellY, item.spanX, item.spanY, false); 3452 3453 addWidgetToAutoAdvanceIfNeeded(item.hostView, appWidgetInfo); 3454 3455 workspace.requestLayout(); 3456 3457 mDesktopItems.add(item); 3458 3459 if (DEBUG_WIDGETS) { 3460 Log.d(TAG, "bound widget id="+item.appWidgetId+" in " 3461 + (SystemClock.uptimeMillis()-start) + "ms"); 3462 } 3463 } 3464 3465 /** 3466 * Callback saying that there aren't any more items to bind. 3467 * 3468 * Implementation of the method from LauncherModel.Callbacks. 3469 */ 3470 public void finishBindingItems() { 3471 setLoadOnResume(); 3472 3473 if (mSavedState != null) { 3474 if (!mWorkspace.hasFocus()) { 3475 mWorkspace.getChildAt(mWorkspace.getCurrentPage()).requestFocus(); 3476 } 3477 3478 final long[] folders = mSavedState.getLongArray(RUNTIME_STATE_FOLDERS); 3479 if (folders != null) { 3480 for (long folderId : folders) { 3481 final FolderInfo info = sFolders.get(folderId); 3482 final FolderIcon folderIcon = (FolderIcon) 3483 mWorkspace.getViewForTag(info); 3484 if (folderIcon != null) { 3485 openFolder(folderIcon); 3486 } 3487 } 3488 final Folder openFolder = mWorkspace.getOpenFolder(); 3489 if (openFolder != null) { 3490 openFolder.requestFocus(); 3491 } 3492 } 3493 3494 mSavedState = null; 3495 } 3496 3497 if (mSavedInstanceState != null) { 3498 super.onRestoreInstanceState(mSavedInstanceState); 3499 mSavedInstanceState = null; 3500 } 3501 3502 // Workaround a bug that occurs when rotating the device while the customization mode is 3503 // open, we trigger a new layout on all the CellLayout children. 3504 if (LauncherApplication.isScreenXLarge() && (mState == State.CUSTOMIZE)) { 3505 final int childCount = mWorkspace.getChildCount(); 3506 for (int i = 0; i < childCount; ++i) { 3507 mWorkspace.getChildAt(i).requestLayout(); 3508 } 3509 } 3510 3511 mWorkspaceLoading = false; 3512 3513 // If we received the result of any pending adds while the loader was running (e.g. the 3514 // widget configuration forced an orientation change), process them now. 3515 for (int i = 0; i < sPendingAddList.size(); i++) { 3516 completeAdd(sPendingAddList.get(i)); 3517 } 3518 sPendingAddList.clear(); 3519 } 3520 3521 /** 3522 * Updates the icons on the launcher that are affected by changes to the package list 3523 * on the device. 3524 */ 3525 private void updateIconsAffectedByPackageManagerChanges() { 3526 updateAppMarketIcon(); 3527 updateGlobalSearchIcon(); 3528 updateVoiceSearchIcon(); 3529 } 3530 3531 /** 3532 * Add the icons for all apps. 3533 * 3534 * Implementation of the method from LauncherModel.Callbacks. 3535 */ 3536 public void bindAllApplications(ArrayList<ApplicationInfo> apps) { 3537 if (mAllAppsGrid != null) { 3538 mAllAppsGrid.setApps(apps); 3539 } 3540 if (mAppsCustomizeContent != null) { 3541 mAppsCustomizeContent.setApps(apps); 3542 } 3543 if (mCustomizePagedView != null) { 3544 mCustomizePagedView.setApps(apps); 3545 } 3546 updateIconsAffectedByPackageManagerChanges(); 3547 } 3548 3549 /** 3550 * A package was installed. 3551 * 3552 * Implementation of the method from LauncherModel.Callbacks. 3553 */ 3554 public void bindAppsAdded(ArrayList<ApplicationInfo> apps) { 3555 setLoadOnResume(); 3556 removeDialog(DIALOG_CREATE_SHORTCUT); 3557 if (mAllAppsGrid != null) { 3558 mAllAppsGrid.addApps(apps); 3559 } 3560 if (mAppsCustomizeContent != null) { 3561 mAppsCustomizeContent.addApps(apps); 3562 } 3563 if (mCustomizePagedView != null) { 3564 mCustomizePagedView.addApps(apps); 3565 } 3566 updateIconsAffectedByPackageManagerChanges(); 3567 } 3568 3569 /** 3570 * A package was updated. 3571 * 3572 * Implementation of the method from LauncherModel.Callbacks. 3573 */ 3574 public void bindAppsUpdated(ArrayList<ApplicationInfo> apps) { 3575 setLoadOnResume(); 3576 removeDialog(DIALOG_CREATE_SHORTCUT); 3577 if (mWorkspace != null) { 3578 mWorkspace.updateShortcuts(apps); 3579 } 3580 if (mAllAppsGrid != null) { 3581 mAllAppsGrid.updateApps(apps); 3582 } 3583 if (mAppsCustomizeContent != null) { 3584 mAppsCustomizeContent.updateApps(apps); 3585 } 3586 if (mCustomizePagedView != null) { 3587 mCustomizePagedView.updateApps(apps); 3588 } 3589 updateIconsAffectedByPackageManagerChanges(); 3590 } 3591 3592 /** 3593 * A package was uninstalled. 3594 * 3595 * Implementation of the method from LauncherModel.Callbacks. 3596 */ 3597 public void bindAppsRemoved(ArrayList<ApplicationInfo> apps, boolean permanent) { 3598 removeDialog(DIALOG_CREATE_SHORTCUT); 3599 if (permanent) { 3600 mWorkspace.removeItems(apps); 3601 } 3602 if (mAllAppsGrid != null) { 3603 mAllAppsGrid.removeApps(apps); 3604 } 3605 if (mAppsCustomizeContent != null) { 3606 mAppsCustomizeContent.removeApps(apps); 3607 } 3608 if (mCustomizePagedView != null) { 3609 mCustomizePagedView.removeApps(apps); 3610 } 3611 updateIconsAffectedByPackageManagerChanges(); 3612 } 3613 3614 /** 3615 * A number of packages were updated. 3616 */ 3617 public void bindPackagesUpdated() { 3618 // update the customization drawer contents 3619 if (mCustomizePagedView != null) { 3620 mCustomizePagedView.update(); 3621 } 3622 if (mAppsCustomizeContent != null) { 3623 mAppsCustomizeContent.onPackagesUpdated(); 3624 } 3625 } 3626 3627 private int mapConfigurationOriActivityInfoOri(int configOri) { 3628 final Display d = getWindowManager().getDefaultDisplay(); 3629 int naturalOri = Configuration.ORIENTATION_LANDSCAPE; 3630 switch (d.getRotation()) { 3631 case Surface.ROTATION_0: 3632 case Surface.ROTATION_180: 3633 // We are currently in the same basic orientation as the natural orientation 3634 naturalOri = configOri; 3635 break; 3636 case Surface.ROTATION_90: 3637 case Surface.ROTATION_270: 3638 // We are currently in the other basic orientation to the natural orientation 3639 naturalOri = (configOri == Configuration.ORIENTATION_LANDSCAPE) ? 3640 Configuration.ORIENTATION_PORTRAIT : Configuration.ORIENTATION_LANDSCAPE; 3641 break; 3642 } 3643 3644 int[] oriMap = { 3645 ActivityInfo.SCREEN_ORIENTATION_PORTRAIT, 3646 ActivityInfo.SCREEN_ORIENTATION_LANDSCAPE, 3647 ActivityInfo.SCREEN_ORIENTATION_REVERSE_PORTRAIT, 3648 ActivityInfo.SCREEN_ORIENTATION_REVERSE_LANDSCAPE 3649 }; 3650 // Since the map starts at portrait, we need to offset if this device's natural orientation 3651 // is landscape. 3652 int indexOffset = 0; 3653 if (naturalOri == Configuration.ORIENTATION_LANDSCAPE) { 3654 indexOffset = 1; 3655 } 3656 return oriMap[(d.getRotation() + indexOffset) % 4]; 3657 } 3658 public void lockScreenOrientation() { 3659 setRequestedOrientation(mapConfigurationOriActivityInfoOri(getResources() 3660 .getConfiguration().orientation)); 3661 } 3662 public void unlockScreenOrientation() { 3663 mHandler.postDelayed(new Runnable() { 3664 public void run() { 3665 setRequestedOrientation(ActivityInfo.SCREEN_ORIENTATION_UNSPECIFIED); 3666 } 3667 }, mRestoreScreenOrientationDelay); 3668 } 3669 3670 /** 3671 * Prints out out state for debugging. 3672 */ 3673 public void dumpState() { 3674 Log.d(TAG, "BEGIN launcher2 dump state for launcher " + this); 3675 Log.d(TAG, "mSavedState=" + mSavedState); 3676 Log.d(TAG, "mWorkspaceLoading=" + mWorkspaceLoading); 3677 Log.d(TAG, "mRestoring=" + mRestoring); 3678 Log.d(TAG, "mWaitingForResult=" + mWaitingForResult); 3679 Log.d(TAG, "mSavedInstanceState=" + mSavedInstanceState); 3680 Log.d(TAG, "mDesktopItems.size=" + mDesktopItems.size()); 3681 Log.d(TAG, "sFolders.size=" + sFolders.size()); 3682 mModel.dumpState(); 3683 if (mAllAppsGrid != null) { 3684 mAllAppsGrid.dumpState(); 3685 } 3686 if (mAppsCustomizeContent != null) { 3687 mAppsCustomizeContent.dumpState(); 3688 } 3689 Log.d(TAG, "END launcher2 dump state"); 3690 } 3691} 3692 3693interface LauncherTransitionable { 3694 void onLauncherTransitionStart(Animator animation); 3695 void onLauncherTransitionEnd(Animator animation); 3696} 3697