Launcher.java revision 63257c110a4ee54d5e8872c471cce254cf613c7a
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 mPreviousView = (ImageView) dragLayer.findViewById(R.id.previous_screen); 939 mNextView = (ImageView) dragLayer.findViewById(R.id.next_screen); 940 941 Drawable previous = mPreviousView.getDrawable(); 942 Drawable next = mNextView.getDrawable(); 943 mWorkspace.setIndicators(previous, next); 944 945 mPreviousView.setHapticFeedbackEnabled(false); 946 mPreviousView.setOnLongClickListener(this); 947 mNextView.setHapticFeedbackEnabled(false); 948 mNextView.setOnLongClickListener(this); 949 } 950 951 workspace.setOnLongClickListener(this); 952 workspace.setDragController(dragController); 953 workspace.setLauncher(this); 954 workspace.setWallpaperDimension(); 955 956 deleteZone.setLauncher(this); 957 deleteZone.setDragController(dragController); 958 959 final View allAppsButton = findViewById(R.id.all_apps_button); 960 final View divider = findViewById(R.id.all_apps_divider); 961 final View configureButton = findViewById(R.id.configure_button); 962 963 if (LauncherApplication.isScreenXLarge()) { 964 deleteZone.setOverlappingViews(new View[] { allAppsButton, divider, configureButton }); 965 } else { 966 deleteZone.setOverlappingView(findViewById(R.id.all_apps_button_cluster)); 967 } 968 dragController.addDragListener(deleteZone); 969 970 DeleteZone allAppsDeleteZone = (DeleteZone) findViewById(R.id.all_apps_delete_zone); 971 if (allAppsDeleteZone != null) { 972 allAppsDeleteZone.setLauncher(this); 973 allAppsDeleteZone.setDragController(dragController); 974 allAppsDeleteZone.setDragAndDropEnabled(false); 975 dragController.addDragListener(allAppsDeleteZone); 976 dragController.addDropTarget(allAppsDeleteZone); 977 } 978 979 ApplicationInfoDropTarget allAppsInfoTarget = (ApplicationInfoDropTarget) 980 findViewById(R.id.all_apps_info_target); 981 if (allAppsInfoTarget != null) { 982 allAppsInfoTarget.setLauncher(this); 983 dragController.addDragListener(allAppsInfoTarget); 984 allAppsInfoTarget.setDragAndDropEnabled(false); 985 } 986 View marketButton = findViewById(R.id.market_button); 987 if (marketButton != null) { 988 if (allAppsInfoTarget != null) { 989 allAppsInfoTarget.setOverlappingView(marketButton); 990 } 991 marketButton.setOnClickListener(new OnClickListener() { 992 public void onClick(View v) { 993 onClickAppMarketButton(v); 994 } 995 }); 996 } 997 998 dragController.setDragScoller(workspace); 999 dragController.setScrollView(dragLayer); 1000 dragController.setMoveTarget(workspace); 1001 1002 // The order here is bottom to top. 1003 dragController.addDropTarget(workspace); 1004 dragController.addDropTarget(deleteZone); 1005 if (allAppsInfoTarget != null) { 1006 dragController.addDropTarget(allAppsInfoTarget); 1007 } 1008 if (allAppsDeleteZone != null) { 1009 dragController.addDropTarget(allAppsDeleteZone); 1010 } 1011 mButtonCluster = (ViewGroup) findViewById(R.id.all_apps_button_cluster); 1012 View.OnKeyListener listener = new ButtonBarKeyEventListener(); 1013 int buttonCount = mButtonCluster.getChildCount(); 1014 for (int i = 0; i < buttonCount; ++i) { 1015 mButtonCluster.getChildAt(i).setOnKeyListener(listener); 1016 } 1017 1018 mAllAppsButton = findViewById(R.id.all_apps_button); 1019 mDivider = findViewById(R.id.all_apps_divider); 1020 mConfigureButton = findViewById(R.id.configure_button); 1021 1022 // We had previously set these click handlers in XML, but the first time we launched 1023 // Configure or All Apps we had an extra 50ms of delay while the java reflection methods 1024 // found the right handler. Setting the handlers directly here eliminates that cost. 1025 if (mConfigureButton != null) { 1026 mConfigureButton.setOnClickListener(new OnClickListener() { 1027 public void onClick(View v) { 1028 onClickConfigureButton(v); 1029 } 1030 }); 1031 } 1032 if (mDivider != null) { 1033 mDivider.setOnClickListener(new OnClickListener() { 1034 public void onClick(View v) { 1035 onClickAllAppsButton(v); 1036 } 1037 }); 1038 } 1039 if (mAllAppsButton != null) { 1040 mAllAppsButton.setOnClickListener(new OnClickListener() { 1041 public void onClick(View v) { 1042 onClickAllAppsButton(v); 1043 } 1044 }); 1045 } 1046 } 1047 1048 @SuppressWarnings({"UnusedDeclaration"}) 1049 public void previousScreen(View v) { 1050 if (mState != State.ALL_APPS && mState != State.APPS_CUSTOMIZE) { 1051 mWorkspace.scrollLeft(); 1052 } 1053 } 1054 1055 @SuppressWarnings({"UnusedDeclaration"}) 1056 public void nextScreen(View v) { 1057 if (mState != State.ALL_APPS && mState != State.APPS_CUSTOMIZE) { 1058 mWorkspace.scrollRight(); 1059 } 1060 } 1061 1062 @SuppressWarnings({"UnusedDeclaration"}) 1063 public void launchHotSeat(View v) { 1064 if (mState == State.ALL_APPS) return; 1065 1066 int index = -1; 1067 if (v.getId() == R.id.hotseat_left) { 1068 index = 0; 1069 } else if (v.getId() == R.id.hotseat_right) { 1070 index = 1; 1071 } 1072 1073 // reload these every tap; you never know when they might change 1074 loadHotseats(); 1075 if (index >= 0 && index < mHotseats.length && mHotseats[index] != null) { 1076 startActivitySafely( 1077 mHotseats[index], 1078 "hotseat" 1079 ); 1080 } 1081 } 1082 1083 /** 1084 * Creates a view representing a shortcut. 1085 * 1086 * @param info The data structure describing the shortcut. 1087 * 1088 * @return A View inflated from R.layout.application. 1089 */ 1090 View createShortcut(ShortcutInfo info) { 1091 return createShortcut(R.layout.application, 1092 (ViewGroup) mWorkspace.getChildAt(mWorkspace.getCurrentPage()), info); 1093 } 1094 1095 /** 1096 * Creates a view representing a shortcut inflated from the specified resource. 1097 * 1098 * @param layoutResId The id of the XML layout used to create the shortcut. 1099 * @param parent The group the shortcut belongs to. 1100 * @param info The data structure describing the shortcut. 1101 * 1102 * @return A View inflated from layoutResId. 1103 */ 1104 View createShortcut(int layoutResId, ViewGroup parent, ShortcutInfo info) { 1105 BubbleTextView favorite = (BubbleTextView) mInflater.inflate(layoutResId, parent, false); 1106 favorite.applyFromShortcutInfo(info, mIconCache); 1107 favorite.setOnClickListener(this); 1108 return favorite; 1109 } 1110 1111 /** 1112 * Add an application shortcut to the workspace. 1113 * 1114 * @param data The intent describing the application. 1115 * @param cellInfo The position on screen where to create the shortcut. 1116 */ 1117 void completeAddApplication(Intent data, int screen, 1118 int intersectCellX, int intersectCellY) { 1119 final int[] cellXY = mTmpAddItemCellCoordinates; 1120 final CellLayout layout = (CellLayout) mWorkspace.getChildAt(screen); 1121 1122 if (!layout.findCellForSpanThatIntersects(cellXY, 1, 1, intersectCellX, intersectCellY)) { 1123 showOutOfSpaceMessage(); 1124 return; 1125 } 1126 1127 final ShortcutInfo info = mModel.getShortcutInfo(getPackageManager(), data, this); 1128 1129 if (info != null) { 1130 info.setActivity(data.getComponent(), Intent.FLAG_ACTIVITY_NEW_TASK | 1131 Intent.FLAG_ACTIVITY_RESET_TASK_IF_NEEDED); 1132 info.container = ItemInfo.NO_ID; 1133 mWorkspace.addApplicationShortcut(info, screen, cellXY[0], cellXY[1], 1134 isWorkspaceLocked(), mAddIntersectCellX, mAddIntersectCellY); 1135 } else { 1136 Log.e(TAG, "Couldn't find ActivityInfo for selected application: " + data); 1137 } 1138 } 1139 1140 /** 1141 * Add a shortcut to the workspace. 1142 * 1143 * @param data The intent describing the shortcut. 1144 * @param cellInfo The position on screen where to create the shortcut. 1145 */ 1146 private void completeAddShortcut(Intent data, int screen, 1147 int intersectCellX, int intersectCellY) { 1148 final int[] cellXY = mTmpAddItemCellCoordinates; 1149 final CellLayout layout = (CellLayout) mWorkspace.getChildAt(screen); 1150 1151 int[] touchXY = mAddDropPosition; 1152 boolean foundCellSpan = false; 1153 if (touchXY != null) { 1154 // when dragging and dropping, just find the closest free spot 1155 CellLayout screenLayout = (CellLayout) mWorkspace.getChildAt(screen); 1156 int[] result = screenLayout.findNearestVacantArea( 1157 touchXY[0], touchXY[1], 1, 1, cellXY); 1158 foundCellSpan = (result != null); 1159 } else { 1160 foundCellSpan = layout.findCellForSpanThatIntersects( 1161 cellXY, 1, 1, intersectCellX, intersectCellY); 1162 } 1163 1164 if (!foundCellSpan) { 1165 showOutOfSpaceMessage(); 1166 return; 1167 } 1168 1169 final ShortcutInfo info = mModel.addShortcut( 1170 this, data, screen, cellXY[0], cellXY[1], false); 1171 1172 if (!mRestoring) { 1173 final View view = createShortcut(info); 1174 mWorkspace.addInScreen(view, screen, cellXY[0], cellXY[1], 1, 1, isWorkspaceLocked()); 1175 } 1176 } 1177 1178 /** 1179 * Add a widget to the workspace. 1180 * 1181 * @param appWidgetId The app widget id 1182 * @param cellInfo The position on screen where to create the widget. 1183 */ 1184 private void completeAddAppWidget(final int appWidgetId, int screen) { 1185 AppWidgetProviderInfo appWidgetInfo = mAppWidgetManager.getAppWidgetInfo(appWidgetId); 1186 1187 // Calculate the grid spans needed to fit this widget 1188 CellLayout layout = (CellLayout) mWorkspace.getChildAt(screen); 1189 int[] spanXY = layout.rectToCell(appWidgetInfo.minWidth, appWidgetInfo.minHeight, null); 1190 1191 // Try finding open space on Launcher screen 1192 // We have saved the position to which the widget was dragged-- this really only matters 1193 // if we are placing widgets on a "spring-loaded" screen 1194 final int[] cellXY = mTmpAddItemCellCoordinates; 1195 1196 int[] touchXY = mAddDropPosition; 1197 boolean foundCellSpan = false; 1198 if (touchXY != null) { 1199 // when dragging and dropping, just find the closest free spot 1200 CellLayout screenLayout = (CellLayout) mWorkspace.getChildAt(screen); 1201 int[] result = screenLayout.findNearestVacantArea( 1202 touchXY[0], touchXY[1], spanXY[0], spanXY[1], cellXY); 1203 foundCellSpan = (result != null); 1204 } else { 1205 // if we long pressed on an empty cell to bring up a menu, 1206 // make sure we intersect the empty cell 1207 // if mAddIntersectCellX/Y are -1 (e.g. we used menu -> add) then 1208 // findCellForSpanThatIntersects will just ignore them 1209 foundCellSpan = layout.findCellForSpanThatIntersects(cellXY, spanXY[0], spanXY[1], 1210 mAddIntersectCellX, mAddIntersectCellY); 1211 } 1212 1213 if (!foundCellSpan) { 1214 if (appWidgetId != -1) { 1215 // Deleting an app widget ID is a void call but writes to disk before returning 1216 // to the caller... 1217 final LauncherAppWidgetHost appWidgetHost = mAppWidgetHost; 1218 new Thread("deleteAppWidgetId") { 1219 public void run() { 1220 mAppWidgetHost.deleteAppWidgetId(appWidgetId); 1221 } 1222 }.start(); 1223 } 1224 showOutOfSpaceMessage(); 1225 return; 1226 } 1227 1228 // Build Launcher-specific widget info and save to database 1229 LauncherAppWidgetInfo launcherInfo = new LauncherAppWidgetInfo(appWidgetId); 1230 launcherInfo.spanX = spanXY[0]; 1231 launcherInfo.spanY = spanXY[1]; 1232 1233 LauncherModel.addItemToDatabase(this, launcherInfo, 1234 LauncherSettings.Favorites.CONTAINER_DESKTOP, 1235 screen, cellXY[0], cellXY[1], false); 1236 1237 if (!mRestoring) { 1238 mDesktopItems.add(launcherInfo); 1239 1240 // Perform actual inflation because we're live 1241 launcherInfo.hostView = mAppWidgetHost.createView(this, appWidgetId, appWidgetInfo); 1242 1243 launcherInfo.hostView.setAppWidget(appWidgetId, appWidgetInfo); 1244 launcherInfo.hostView.setTag(launcherInfo); 1245 1246 mWorkspace.addInScreen(launcherInfo.hostView, screen, cellXY[0], cellXY[1], 1247 launcherInfo.spanX, launcherInfo.spanY, isWorkspaceLocked()); 1248 1249 addWidgetToAutoAdvanceIfNeeded(launcherInfo.hostView, appWidgetInfo); 1250 } 1251 } 1252 1253 private final BroadcastReceiver mReceiver = new BroadcastReceiver() { 1254 @Override 1255 public void onReceive(Context context, Intent intent) { 1256 final String action = intent.getAction(); 1257 if (Intent.ACTION_SCREEN_OFF.equals(action)) { 1258 mUserPresent = false; 1259 updateRunning(); 1260 1261 // Reset AllApps to it's initial state 1262 if (mAllAppsGrid != null) { 1263 mAllAppsGrid.reset(); 1264 } 1265 if (mAppsCustomizeContent != null) { 1266 mAppsCustomizeContent.reset(); 1267 } 1268 } else if (Intent.ACTION_USER_PRESENT.equals(action)) { 1269 mUserPresent = true; 1270 updateRunning(); 1271 } 1272 } 1273 }; 1274 1275 @Override 1276 public void onAttachedToWindow() { 1277 super.onAttachedToWindow(); 1278 1279 // Listen for broadcasts related to user-presence 1280 final IntentFilter filter = new IntentFilter(); 1281 filter.addAction(Intent.ACTION_SCREEN_OFF); 1282 filter.addAction(Intent.ACTION_USER_PRESENT); 1283 registerReceiver(mReceiver, filter); 1284 1285 mAttached = true; 1286 mVisible = true; 1287 } 1288 1289 @Override 1290 public void onDetachedFromWindow() { 1291 super.onDetachedFromWindow(); 1292 mVisible = false; 1293 1294 if (mAttached) { 1295 unregisterReceiver(mReceiver); 1296 mAttached = false; 1297 } 1298 updateRunning(); 1299 } 1300 1301 public void onWindowVisibilityChanged(int visibility) { 1302 mVisible = visibility == View.VISIBLE; 1303 updateRunning(); 1304 } 1305 1306 private void sendAdvanceMessage(long delay) { 1307 mHandler.removeMessages(ADVANCE_MSG); 1308 Message msg = mHandler.obtainMessage(ADVANCE_MSG); 1309 mHandler.sendMessageDelayed(msg, delay); 1310 mAutoAdvanceSentTime = System.currentTimeMillis(); 1311 } 1312 1313 private void updateRunning() { 1314 boolean autoAdvanceRunning = mVisible && mUserPresent && !mWidgetsToAdvance.isEmpty(); 1315 if (autoAdvanceRunning != mAutoAdvanceRunning) { 1316 mAutoAdvanceRunning = autoAdvanceRunning; 1317 if (autoAdvanceRunning) { 1318 long delay = mAutoAdvanceTimeLeft == -1 ? mAdvanceInterval : mAutoAdvanceTimeLeft; 1319 sendAdvanceMessage(delay); 1320 } else { 1321 if (!mWidgetsToAdvance.isEmpty()) { 1322 mAutoAdvanceTimeLeft = Math.max(0, mAdvanceInterval - 1323 (System.currentTimeMillis() - mAutoAdvanceSentTime)); 1324 } 1325 mHandler.removeMessages(ADVANCE_MSG); 1326 mHandler.removeMessages(0); // Remove messages sent using postDelayed() 1327 } 1328 } 1329 } 1330 1331 private final Handler mHandler = new Handler() { 1332 @Override 1333 public void handleMessage(Message msg) { 1334 if (msg.what == ADVANCE_MSG) { 1335 int i = 0; 1336 for (View key: mWidgetsToAdvance.keySet()) { 1337 final View v = key.findViewById(mWidgetsToAdvance.get(key).autoAdvanceViewId); 1338 final int delay = mAdvanceStagger * i; 1339 if (v instanceof Advanceable) { 1340 postDelayed(new Runnable() { 1341 public void run() { 1342 ((Advanceable) v).advance(); 1343 } 1344 }, delay); 1345 } 1346 i++; 1347 } 1348 sendAdvanceMessage(mAdvanceInterval); 1349 } 1350 } 1351 }; 1352 1353 void addWidgetToAutoAdvanceIfNeeded(View hostView, AppWidgetProviderInfo appWidgetInfo) { 1354 if (appWidgetInfo.autoAdvanceViewId == -1) return; 1355 View v = hostView.findViewById(appWidgetInfo.autoAdvanceViewId); 1356 if (v instanceof Advanceable) { 1357 mWidgetsToAdvance.put(hostView, appWidgetInfo); 1358 ((Advanceable) v).fyiWillBeAdvancedByHostKThx(); 1359 updateRunning(); 1360 } 1361 } 1362 1363 void removeWidgetToAutoAdvance(View hostView) { 1364 if (mWidgetsToAdvance.containsKey(hostView)) { 1365 mWidgetsToAdvance.remove(hostView); 1366 updateRunning(); 1367 } 1368 } 1369 1370 public void removeAppWidget(LauncherAppWidgetInfo launcherInfo) { 1371 mDesktopItems.remove(launcherInfo); 1372 removeWidgetToAutoAdvance(launcherInfo.hostView); 1373 launcherInfo.hostView = null; 1374 } 1375 1376 void showOutOfSpaceMessage() { 1377 Toast.makeText(this, getString(R.string.out_of_space), Toast.LENGTH_SHORT).show(); 1378 } 1379 1380 public LauncherAppWidgetHost getAppWidgetHost() { 1381 return mAppWidgetHost; 1382 } 1383 1384 public LauncherModel getModel() { 1385 return mModel; 1386 } 1387 1388 void closeSystemDialogs() { 1389 getWindow().closeAllPanels(); 1390 1391 try { 1392 dismissDialog(DIALOG_CREATE_SHORTCUT); 1393 // Unlock the workspace if the dialog was showing 1394 } catch (Exception e) { 1395 // An exception is thrown if the dialog is not visible, which is fine 1396 } 1397 1398 try { 1399 dismissDialog(DIALOG_RENAME_FOLDER); 1400 // Unlock the workspace if the dialog was showing 1401 } catch (Exception e) { 1402 // An exception is thrown if the dialog is not visible, which is fine 1403 } 1404 1405 // Whatever we were doing is hereby canceled. 1406 mWaitingForResult = false; 1407 } 1408 1409 @Override 1410 protected void onNewIntent(Intent intent) { 1411 super.onNewIntent(intent); 1412 1413 // Close the menu 1414 if (Intent.ACTION_MAIN.equals(intent.getAction())) { 1415 // also will cancel mWaitingForResult. 1416 closeSystemDialogs(); 1417 1418 boolean alreadyOnHome = ((intent.getFlags() & Intent.FLAG_ACTIVITY_BROUGHT_TO_FRONT) 1419 != Intent.FLAG_ACTIVITY_BROUGHT_TO_FRONT); 1420 1421 // In all these cases, only animate if we're already on home 1422 mWorkspace.unshrink(alreadyOnHome); 1423 mWorkspace.exitWidgetResizeMode(); 1424 if (alreadyOnHome && mState == State.WORKSPACE && !mWorkspace.isTouchActive()) { 1425 mWorkspace.moveToDefaultScreen(true); 1426 } 1427 showWorkspace(alreadyOnHome); 1428 1429 final View v = getWindow().peekDecorView(); 1430 if (v != null && v.getWindowToken() != null) { 1431 InputMethodManager imm = (InputMethodManager)getSystemService( 1432 INPUT_METHOD_SERVICE); 1433 imm.hideSoftInputFromWindow(v.getWindowToken(), 0); 1434 } 1435 1436 // Reset AllApps to it's initial state 1437 if (mAllAppsGrid != null) { 1438 mAllAppsGrid.reset(); 1439 } 1440 if (mAppsCustomizeContent != null) { 1441 mAppsCustomizeContent.reset(); 1442 } 1443 } 1444 } 1445 1446 @Override 1447 protected void onRestoreInstanceState(Bundle savedInstanceState) { 1448 // Do not call super here 1449 mSavedInstanceState = savedInstanceState; 1450 } 1451 1452 @Override 1453 protected void onSaveInstanceState(Bundle outState) { 1454 outState.putInt(RUNTIME_STATE_CURRENT_SCREEN, mWorkspace.getCurrentPage()); 1455 1456 final ArrayList<Folder> folders = mWorkspace.getOpenFolders(); 1457 if (folders.size() > 0) { 1458 final int count = folders.size(); 1459 long[] ids = new long[count]; 1460 for (int i = 0; i < count; i++) { 1461 final FolderInfo info = folders.get(i).getInfo(); 1462 ids[i] = info.id; 1463 } 1464 outState.putLongArray(RUNTIME_STATE_FOLDERS, ids); 1465 } else { 1466 super.onSaveInstanceState(outState); 1467 } 1468 1469 outState.putInt(RUNTIME_STATE, mState.ordinal()); 1470 1471 if (mAddScreen > -1 && mWaitingForResult) { 1472 outState.putInt(RUNTIME_STATE_PENDING_ADD_SCREEN, mAddScreen); 1473 outState.putInt(RUNTIME_STATE_PENDING_ADD_CELL_X, mAddIntersectCellX); 1474 outState.putInt(RUNTIME_STATE_PENDING_ADD_CELL_Y, mAddIntersectCellY); 1475 } 1476 1477 if (mFolderInfo != null && mWaitingForResult) { 1478 outState.putBoolean(RUNTIME_STATE_PENDING_FOLDER_RENAME, true); 1479 outState.putLong(RUNTIME_STATE_PENDING_FOLDER_RENAME_ID, mFolderInfo.id); 1480 } 1481 1482 // Save the current AllApps drawer tab 1483 if (mAllAppsGrid != null && mAllAppsGrid instanceof AllAppsTabbed) { 1484 AllAppsTabbed tabhost = (AllAppsTabbed) mAllAppsGrid; 1485 String currentTabTag = tabhost.getCurrentTabTag(); 1486 if (currentTabTag != null) { 1487 outState.putString("allapps_currentTab", currentTabTag); 1488 outState.putInt("allapps_currentPage", mAllAppsPagedView.getCurrentPage()); 1489 } 1490 } 1491 // Save the current customization drawer tab 1492 if (mHomeCustomizationDrawer != null) { 1493 String currentTabTag = mHomeCustomizationDrawer.getCurrentTabTag(); 1494 if (currentTabTag != null) { 1495 outState.putString("customize_currentTab", currentTabTag); 1496 } 1497 } 1498 // Save the current AppsCustomize tab 1499 if (mAppsCustomizeTabHost != null) { 1500 String currentTabTag = mAppsCustomizeTabHost.getCurrentTabTag(); 1501 if (currentTabTag != null) { 1502 outState.putString("apps_customize_currentTab", currentTabTag); 1503 } 1504 } 1505 } 1506 1507 @Override 1508 public void onDestroy() { 1509 super.onDestroy(); 1510 1511 try { 1512 mAppWidgetHost.stopListening(); 1513 } catch (NullPointerException ex) { 1514 Log.w(TAG, "problem while stopping AppWidgetHost during Launcher destruction", ex); 1515 } 1516 mAppWidgetHost = null; 1517 1518 mWidgetsToAdvance.clear(); 1519 1520 TextKeyListener.getInstance().release(); 1521 1522 mModel.stopLoader(); 1523 1524 unbindDesktopItems(); 1525 1526 getContentResolver().unregisterContentObserver(mWidgetObserver); 1527 1528 // Some launcher layouts don't have a previous and next view 1529 if (mPreviousView != null) { 1530 dismissPreview(mPreviousView); 1531 } 1532 if (mNextView != null) { 1533 dismissPreview(mNextView); 1534 } 1535 1536 unregisterReceiver(mCloseSystemDialogsReceiver); 1537 1538 ((ViewGroup) mWorkspace.getParent()).removeAllViews(); 1539 mWorkspace.removeAllViews(); 1540 mWorkspace = null; 1541 mDragController = null; 1542 1543 ValueAnimator.clearAllAnimations(); 1544 } 1545 1546 public DragController getDragController() { 1547 return mDragController; 1548 } 1549 1550 @Override 1551 public void startActivityForResult(Intent intent, int requestCode) { 1552 if (requestCode >= 0) mWaitingForResult = true; 1553 super.startActivityForResult(intent, requestCode); 1554 } 1555 1556 @Override 1557 public void startSearch(String initialQuery, boolean selectInitialQuery, 1558 Bundle appSearchData, boolean globalSearch) { 1559 1560 showWorkspace(true); 1561 1562 if (initialQuery == null) { 1563 // Use any text typed in the launcher as the initial query 1564 initialQuery = getTypedText(); 1565 clearTypedText(); 1566 } 1567 if (appSearchData == null) { 1568 appSearchData = new Bundle(); 1569 appSearchData.putString(Search.SOURCE, "launcher-search"); 1570 } 1571 1572 final SearchManager searchManager = 1573 (SearchManager) getSystemService(Context.SEARCH_SERVICE); 1574 searchManager.startSearch(initialQuery, selectInitialQuery, getComponentName(), 1575 appSearchData, globalSearch); 1576 } 1577 1578 @Override 1579 public boolean onCreateOptionsMenu(Menu menu) { 1580 if (isWorkspaceLocked()) { 1581 return false; 1582 } 1583 1584 super.onCreateOptionsMenu(menu); 1585 1586 menu.add(MENU_GROUP_ADD, MENU_ADD, 0, R.string.menu_add) 1587 .setIcon(android.R.drawable.ic_menu_add) 1588 .setAlphabeticShortcut('A'); 1589 menu.add(0, MENU_MANAGE_APPS, 0, R.string.menu_manage_apps) 1590 .setIcon(android.R.drawable.ic_menu_manage) 1591 .setAlphabeticShortcut('M'); 1592 menu.add(MENU_GROUP_WALLPAPER, MENU_WALLPAPER_SETTINGS, 0, R.string.menu_wallpaper) 1593 .setIcon(android.R.drawable.ic_menu_gallery) 1594 .setAlphabeticShortcut('W'); 1595 menu.add(0, MENU_SEARCH, 0, R.string.menu_search) 1596 .setIcon(android.R.drawable.ic_search_category_default) 1597 .setAlphabeticShortcut(SearchManager.MENU_KEY); 1598 menu.add(0, MENU_NOTIFICATIONS, 0, R.string.menu_notifications) 1599 .setIcon(com.android.internal.R.drawable.ic_menu_notifications) 1600 .setAlphabeticShortcut('N'); 1601 1602 final Intent settings = new Intent(android.provider.Settings.ACTION_SETTINGS); 1603 settings.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK | 1604 Intent.FLAG_ACTIVITY_RESET_TASK_IF_NEEDED); 1605 1606 menu.add(0, MENU_SETTINGS, 0, R.string.menu_settings) 1607 .setIcon(android.R.drawable.ic_menu_preferences).setAlphabeticShortcut('P') 1608 .setIntent(settings); 1609 1610 return true; 1611 } 1612 1613 @Override 1614 public boolean onPrepareOptionsMenu(Menu menu) { 1615 super.onPrepareOptionsMenu(menu); 1616 1617 if (mAllAppsGrid != null) { 1618 // If all apps is animating, don't show the menu, because we don't know 1619 // which one to show. 1620 if (mAllAppsGrid.isAnimating()) { 1621 return false; 1622 } 1623 1624 // Only show the add and wallpaper options when we're not in all apps. 1625 boolean visible = !mAllAppsGrid.isVisible(); 1626 menu.setGroupVisible(MENU_GROUP_ADD, visible); 1627 menu.setGroupVisible(MENU_GROUP_WALLPAPER, visible); 1628 1629 // Disable add if the workspace is full. 1630 if (visible) { 1631 CellLayout layout = (CellLayout) mWorkspace.getChildAt(mWorkspace.getCurrentPage()); 1632 menu.setGroupEnabled(MENU_GROUP_ADD, layout.existsEmptyCell()); 1633 } 1634 } 1635 1636 // TODO-APPS_CUSTOMIZE: Remove this for the phone UI at some point, along with all the menu 1637 // related code? 1638 if (mAppsCustomizeContent != null && mAppsCustomizeContent.isAnimating()) return false; 1639 1640 return true; 1641 } 1642 1643 @Override 1644 public boolean onOptionsItemSelected(MenuItem item) { 1645 switch (item.getItemId()) { 1646 case MENU_ADD: 1647 addItems(); 1648 return true; 1649 case MENU_MANAGE_APPS: 1650 manageApps(); 1651 return true; 1652 case MENU_WALLPAPER_SETTINGS: 1653 startWallpaper(); 1654 return true; 1655 case MENU_SEARCH: 1656 onSearchRequested(); 1657 return true; 1658 case MENU_NOTIFICATIONS: 1659 showNotifications(); 1660 return true; 1661 } 1662 1663 return super.onOptionsItemSelected(item); 1664 } 1665 1666 /** 1667 * Indicates that we want global search for this activity by setting the globalSearch 1668 * argument for {@link #startSearch} to true. 1669 */ 1670 1671 @Override 1672 public boolean onSearchRequested() { 1673 startSearch(null, false, null, true); 1674 return true; 1675 } 1676 1677 public boolean isWorkspaceLocked() { 1678 return mWorkspaceLoading || mWaitingForResult; 1679 } 1680 1681 // Is the workspace preview (brought up by long-pressing on a signpost icon) visible? 1682 private boolean isPreviewVisible() { 1683 return (mPreviousView != null && mPreviousView.getTag() != null) || 1684 (mNextView != null && mNextView.getTag() != null); 1685 } 1686 1687 private void addItems() { 1688 if (LauncherApplication.isScreenXLarge()) { 1689 // Animate the widget chooser up from the bottom of the screen 1690 if (mState != State.CUSTOMIZE) { 1691 showCustomizationDrawer(true); 1692 } 1693 } else { 1694 showWorkspace(true); 1695 showAddDialog(-1, -1); 1696 } 1697 } 1698 1699 private void resetAddInfo() { 1700 mAddScreen = -1; 1701 mAddIntersectCellX = -1; 1702 mAddIntersectCellY = -1; 1703 mAddDropPosition = null; 1704 } 1705 1706 void addAppWidgetFromDrop(PendingAddWidgetInfo info, int screen, int[] position) { 1707 resetAddInfo(); 1708 mAddScreen = screen; 1709 mAddDropPosition = position; 1710 1711 int appWidgetId = getAppWidgetHost().allocateAppWidgetId(); 1712 AppWidgetManager.getInstance(this).bindAppWidgetId(appWidgetId, info.componentName); 1713 addAppWidgetImpl(appWidgetId, info); 1714 } 1715 1716 private void manageApps() { 1717 startActivity(new Intent(android.provider.Settings.ACTION_MANAGE_ALL_APPLICATIONS_SETTINGS)); 1718 } 1719 1720 void addAppWidgetFromPick(Intent data) { 1721 // TODO: catch bad widget exception when sent 1722 int appWidgetId = data.getIntExtra(AppWidgetManager.EXTRA_APPWIDGET_ID, -1); 1723 // TODO: Is this log message meaningful? 1724 if (LOGD) Log.d(TAG, "dumping extras content=" + data.getExtras()); 1725 addAppWidgetImpl(appWidgetId, null); 1726 } 1727 1728 void addAppWidgetImpl(int appWidgetId, PendingAddWidgetInfo info) { 1729 AppWidgetProviderInfo appWidget = mAppWidgetManager.getAppWidgetInfo(appWidgetId); 1730 1731 if (appWidget.configure != null) { 1732 // Launch over to configure widget, if needed 1733 Intent intent = new Intent(AppWidgetManager.ACTION_APPWIDGET_CONFIGURE); 1734 intent.setComponent(appWidget.configure); 1735 intent.putExtra(AppWidgetManager.EXTRA_APPWIDGET_ID, appWidgetId); 1736 if (info != null) { 1737 if (info.mimeType != null && !info.mimeType.isEmpty()) { 1738 intent.putExtra( 1739 InstallWidgetReceiver.EXTRA_APPWIDGET_CONFIGURATION_DATA_MIME_TYPE, 1740 info.mimeType); 1741 1742 final String mimeType = info.mimeType; 1743 final ClipData clipData = (ClipData) info.configurationData; 1744 final ClipDescription clipDesc = clipData.getDescription(); 1745 for (int i = 0; i < clipDesc.getMimeTypeCount(); ++i) { 1746 if (clipDesc.getMimeType(i).equals(mimeType)) { 1747 final ClipData.Item item = clipData.getItemAt(i); 1748 final CharSequence stringData = item.getText(); 1749 final Uri uriData = item.getUri(); 1750 final Intent intentData = item.getIntent(); 1751 final String key = 1752 InstallWidgetReceiver.EXTRA_APPWIDGET_CONFIGURATION_DATA; 1753 if (uriData != null) { 1754 intent.putExtra(key, uriData); 1755 } else if (intentData != null) { 1756 intent.putExtra(key, intentData); 1757 } else if (stringData != null) { 1758 intent.putExtra(key, stringData); 1759 } 1760 break; 1761 } 1762 } 1763 } 1764 } 1765 1766 startActivityForResultSafely(intent, REQUEST_CREATE_APPWIDGET); 1767 } else { 1768 // Otherwise just add it 1769 completeAddAppWidget(appWidgetId, mAddScreen); 1770 } 1771 } 1772 1773 void processShortcutFromDrop(ComponentName componentName, int screen, int[] position) { 1774 resetAddInfo(); 1775 mAddScreen = screen; 1776 mAddDropPosition = position; 1777 1778 Intent createShortcutIntent = new Intent(Intent.ACTION_CREATE_SHORTCUT); 1779 createShortcutIntent.setComponent(componentName); 1780 processShortcut(createShortcutIntent); 1781 } 1782 1783 void processShortcut(Intent intent) { 1784 // Handle case where user selected "Applications" 1785 String applicationName = getResources().getString(R.string.group_applications); 1786 String shortcutName = intent.getStringExtra(Intent.EXTRA_SHORTCUT_NAME); 1787 1788 if (applicationName != null && applicationName.equals(shortcutName)) { 1789 Intent mainIntent = new Intent(Intent.ACTION_MAIN, null); 1790 mainIntent.addCategory(Intent.CATEGORY_LAUNCHER); 1791 1792 Intent pickIntent = new Intent(Intent.ACTION_PICK_ACTIVITY); 1793 pickIntent.putExtra(Intent.EXTRA_INTENT, mainIntent); 1794 pickIntent.putExtra(Intent.EXTRA_TITLE, getText(R.string.title_select_application)); 1795 startActivityForResultSafely(pickIntent, REQUEST_PICK_APPLICATION); 1796 } else { 1797 startActivityForResultSafely(intent, REQUEST_CREATE_SHORTCUT); 1798 } 1799 } 1800 1801 void processWallpaper(Intent intent) { 1802 startActivityForResult(intent, REQUEST_PICK_WALLPAPER); 1803 } 1804 1805 FolderIcon addFolder(int screen, int intersectCellX, int intersectCellY) { 1806 FolderInfo folderInfo = new FolderInfo(); 1807 folderInfo.title = getText(R.string.folder_name); 1808 1809 final CellLayout layout = (CellLayout) mWorkspace.getChildAt(screen); 1810 final int[] cellXY = mTmpAddItemCellCoordinates; 1811 if (!layout.findCellForSpanThatIntersects(cellXY, 1, 1, intersectCellX, intersectCellY)) { 1812 showOutOfSpaceMessage(); 1813 return null; 1814 } 1815 1816 // Update the model 1817 LauncherModel.addItemToDatabase(this, folderInfo, 1818 LauncherSettings.Favorites.CONTAINER_DESKTOP, 1819 screen, cellXY[0], cellXY[1], false); 1820 sFolders.put(folderInfo.id, folderInfo); 1821 1822 // Create the view 1823 FolderIcon newFolder = FolderIcon.fromXml(R.layout.folder_icon, this, 1824 (ViewGroup) mWorkspace.getChildAt(mWorkspace.getCurrentPage()), 1825 folderInfo, mIconCache); 1826 mWorkspace.addInScreen(newFolder, screen, cellXY[0], cellXY[1], 1, 1, isWorkspaceLocked()); 1827 return newFolder; 1828 } 1829 1830 void removeFolder(FolderInfo folder) { 1831 sFolders.remove(folder.id); 1832 } 1833 1834 private void showNotifications() { 1835 final StatusBarManager statusBar = (StatusBarManager) getSystemService(STATUS_BAR_SERVICE); 1836 if (statusBar != null) { 1837 statusBar.expand(); 1838 } 1839 } 1840 1841 private void startWallpaper() { 1842 showWorkspace(true); 1843 final Intent pickWallpaper = new Intent(Intent.ACTION_SET_WALLPAPER); 1844 Intent chooser = Intent.createChooser(pickWallpaper, 1845 getText(R.string.chooser_wallpaper)); 1846 // NOTE: Adds a configure option to the chooser if the wallpaper supports it 1847 // Removed in Eclair MR1 1848// WallpaperManager wm = (WallpaperManager) 1849// getSystemService(Context.WALLPAPER_SERVICE); 1850// WallpaperInfo wi = wm.getWallpaperInfo(); 1851// if (wi != null && wi.getSettingsActivity() != null) { 1852// LabeledIntent li = new LabeledIntent(getPackageName(), 1853// R.string.configure_wallpaper, 0); 1854// li.setClassName(wi.getPackageName(), wi.getSettingsActivity()); 1855// chooser.putExtra(Intent.EXTRA_INITIAL_INTENTS, new Intent[] { li }); 1856// } 1857 startActivityForResult(chooser, REQUEST_PICK_WALLPAPER); 1858 } 1859 1860 /** 1861 * Registers various content observers. The current implementation registers 1862 * only a favorites observer to keep track of the favorites applications. 1863 */ 1864 private void registerContentObservers() { 1865 ContentResolver resolver = getContentResolver(); 1866 resolver.registerContentObserver(LauncherProvider.CONTENT_APPWIDGET_RESET_URI, 1867 true, mWidgetObserver); 1868 } 1869 1870 @Override 1871 public boolean dispatchKeyEvent(KeyEvent event) { 1872 if (event.getAction() == KeyEvent.ACTION_DOWN) { 1873 switch (event.getKeyCode()) { 1874 case KeyEvent.KEYCODE_HOME: 1875 return true; 1876 case KeyEvent.KEYCODE_VOLUME_DOWN: 1877 if (SystemProperties.getInt("debug.launcher2.dumpstate", 0) != 0) { 1878 dumpState(); 1879 return true; 1880 } 1881 break; 1882 } 1883 } else if (event.getAction() == KeyEvent.ACTION_UP) { 1884 switch (event.getKeyCode()) { 1885 case KeyEvent.KEYCODE_HOME: 1886 return true; 1887 } 1888 } 1889 1890 return super.dispatchKeyEvent(event); 1891 } 1892 1893 @Override 1894 public void onBackPressed() { 1895 if (mState == State.ALL_APPS || mState == State.CUSTOMIZE || mState == State.APPS_CUSTOMIZE) { 1896 showWorkspace(true); 1897 } else if (mWorkspace.getOpenFolder() != null) { 1898 closeFolder(); 1899 } else if (isPreviewVisible()) { 1900 dismissPreview(mPreviousView); 1901 dismissPreview(mNextView); 1902 } else { 1903 mWorkspace.exitWidgetResizeMode(); 1904 1905 // Back button is a no-op here, but give at least some feedback for the button press 1906 mWorkspace.showOutlinesTemporarily(); 1907 } 1908 } 1909 1910 private void closeFolder() { 1911 Folder folder = mWorkspace.getOpenFolder(); 1912 if (folder != null) { 1913 closeFolder(folder); 1914 } 1915 } 1916 1917 void closeFolder(Folder folder) { 1918 folder.getInfo().opened = false; 1919 1920 ViewGroup parent = (ViewGroup) folder.getParent().getParent(); 1921 if (parent != null) { 1922 CellLayout cl = (CellLayout) parent; 1923 mDragController.removeDropTarget((DropTarget)folder); 1924 } 1925 1926 folder.animateClosed(); 1927 folder.onClose(); 1928 } 1929 1930 /** 1931 * Re-listen when widgets are reset. 1932 */ 1933 private void onAppWidgetReset() { 1934 if (mAppWidgetHost != null) { 1935 mAppWidgetHost.startListening(); 1936 } 1937 } 1938 1939 /** 1940 * Go through the and disconnect any of the callbacks in the drawables and the views or we 1941 * leak the previous Home screen on orientation change. 1942 */ 1943 private void unbindDesktopItems() { 1944 for (ItemInfo item: mDesktopItems) { 1945 item.unbind(); 1946 } 1947 mDesktopItems.clear(); 1948 } 1949 1950 /** 1951 * Launches the intent referred by the clicked shortcut. 1952 * 1953 * @param v The view representing the clicked shortcut. 1954 */ 1955 public void onClick(View v) { 1956 Object tag = v.getTag(); 1957 if (tag instanceof ShortcutInfo) { 1958 // Open shortcut 1959 final Intent intent = ((ShortcutInfo) tag).intent; 1960 int[] pos = new int[2]; 1961 v.getLocationOnScreen(pos); 1962 intent.setSourceBounds(new Rect(pos[0], pos[1], 1963 pos[0] + v.getWidth(), pos[1] + v.getHeight())); 1964 boolean success = startActivitySafely(intent, tag); 1965 1966 if (success && v instanceof BubbleTextView) { 1967 mWaitingForResume = (BubbleTextView) v; 1968 mWaitingForResume.setStayPressed(true); 1969 } 1970 } else if (tag instanceof FolderInfo) { 1971 if (v instanceof FolderIcon) { 1972 FolderIcon fi = (FolderIcon) v; 1973 handleFolderClick(fi); 1974 } 1975 } else if (v == mHandleView) { 1976 if (mState == State.ALL_APPS) { 1977 showWorkspace(true); 1978 } else { 1979 showAllApps(true); 1980 } 1981 } 1982 } 1983 1984 public boolean onTouch(View v, MotionEvent event) { 1985 // this is an intercepted event being forwarded from mWorkspace; 1986 // clicking anywhere on the workspace causes the customization drawer to slide down 1987 showWorkspace(true); 1988 return false; 1989 } 1990 1991 /** 1992 * Event handler for the search button 1993 * 1994 * @param v The view that was clicked. 1995 */ 1996 public void onClickSearchButton(View v) { 1997 startSearch(null, false, null, true); 1998 // Use a custom animation for launching search 1999 overridePendingTransition(R.anim.fade_in_fast, R.anim.fade_out_fast); 2000 } 2001 2002 /** 2003 * Event handler for the voice button 2004 * 2005 * @param v The view that was clicked. 2006 */ 2007 public void onClickVoiceButton(View v) { 2008 startVoiceSearch(); 2009 } 2010 2011 private void startVoiceSearch() { 2012 Intent intent = new Intent(RecognizerIntent.ACTION_WEB_SEARCH); 2013 intent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK); 2014 startActivity(intent); 2015 } 2016 2017 /** 2018 * Event handler for the "gear" button that appears on the home screen, which 2019 * enters home screen customization mode. 2020 * 2021 * @param v The view that was clicked. 2022 */ 2023 public void onClickConfigureButton(View v) { 2024 addItems(); 2025 } 2026 2027 /** 2028 * Event handler for the "grid" button that appears on the home screen, which 2029 * enters all apps mode. 2030 * 2031 * @param v The view that was clicked. 2032 */ 2033 public void onClickAllAppsButton(View v) { 2034 showAllApps(true); 2035 } 2036 2037 public void onClickAppMarketButton(View v) { 2038 if (mAppMarketIntent != null) { 2039 startActivitySafely(mAppMarketIntent, "app market"); 2040 } 2041 } 2042 2043 void startApplicationDetailsActivity(ComponentName componentName) { 2044 String packageName = componentName.getPackageName(); 2045 Intent intent = new Intent(Settings.ACTION_APPLICATION_DETAILS_SETTINGS, 2046 Uri.fromParts("package", packageName, null)); 2047 startActivity(intent); 2048 } 2049 2050 void startApplicationUninstallActivity(ApplicationInfo appInfo) { 2051 if ((appInfo.flags & ApplicationInfo.DOWNLOADED_FLAG) == 0) { 2052 // System applications cannot be installed. For now, show a toast explaining that. 2053 // We may give them the option of disabling apps this way. 2054 int messageId = R.string.uninstall_system_app_text; 2055 Toast.makeText(this, messageId, Toast.LENGTH_SHORT).show(); 2056 } else { 2057 String packageName = appInfo.componentName.getPackageName(); 2058 String className = appInfo.componentName.getClassName(); 2059 Intent intent = new Intent( 2060 Intent.ACTION_DELETE, Uri.fromParts("package", packageName, className)); 2061 startActivity(intent); 2062 } 2063 } 2064 2065 boolean startActivitySafely(Intent intent, Object tag) { 2066 intent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK); 2067 try { 2068 startActivity(intent); 2069 return true; 2070 } catch (ActivityNotFoundException e) { 2071 Toast.makeText(this, R.string.activity_not_found, Toast.LENGTH_SHORT).show(); 2072 Log.e(TAG, "Unable to launch. tag=" + tag + " intent=" + intent, e); 2073 } catch (SecurityException e) { 2074 Toast.makeText(this, R.string.activity_not_found, Toast.LENGTH_SHORT).show(); 2075 Log.e(TAG, "Launcher does not have the permission to launch " + intent + 2076 ". Make sure to create a MAIN intent-filter for the corresponding activity " + 2077 "or use the exported attribute for this activity. " 2078 + "tag="+ tag + " intent=" + intent, e); 2079 } 2080 return false; 2081 } 2082 2083 void startActivityForResultSafely(Intent intent, int requestCode) { 2084 try { 2085 startActivityForResult(intent, requestCode); 2086 } catch (ActivityNotFoundException e) { 2087 Toast.makeText(this, R.string.activity_not_found, Toast.LENGTH_SHORT).show(); 2088 } catch (SecurityException e) { 2089 Toast.makeText(this, R.string.activity_not_found, Toast.LENGTH_SHORT).show(); 2090 Log.e(TAG, "Launcher does not have the permission to launch " + intent + 2091 ". Make sure to create a MAIN intent-filter for the corresponding activity " + 2092 "or use the exported attribute for this activity.", e); 2093 } 2094 } 2095 2096 private void handleFolderClick(FolderIcon folderIcon) { 2097 final FolderInfo info = folderIcon.mInfo; 2098 if (!info.opened) { 2099 // Close any open folder 2100 closeFolder(); 2101 // Open the requested folder 2102 openFolder(folderIcon); 2103 } else { 2104 // Find the open folder... 2105 Folder openFolder = mWorkspace.getFolderForTag(info); 2106 int folderScreen; 2107 if (openFolder != null) { 2108 folderScreen = mWorkspace.getPageForView(openFolder); 2109 // .. and close it 2110 closeFolder(openFolder); 2111 if (folderScreen != mWorkspace.getCurrentPage()) { 2112 // Close any folder open on the current screen 2113 closeFolder(); 2114 // Pull the folder onto this screen 2115 openFolder(folderIcon); 2116 } 2117 } 2118 } 2119 } 2120 2121 /** 2122 * Opens the user folder described by the specified tag. The opening of the folder 2123 * is animated relative to the specified View. If the View is null, no animation 2124 * is played. 2125 * 2126 * @param folderInfo The FolderInfo describing the folder to open. 2127 */ 2128 public void openFolder(FolderIcon folderIcon) { 2129 Folder folder = folderIcon.mFolder; 2130 FolderInfo info = folder.mInfo; 2131 2132 info.opened = true; 2133 2134 mWorkspace.addInFullScreen(folder, info.screen); 2135 folder.animateOpen(); 2136 folder.onOpen(); 2137 } 2138 2139 public boolean onLongClick(View v) { 2140 if (mState != State.WORKSPACE) { 2141 return false; 2142 } 2143 2144 switch (v.getId()) { 2145 case R.id.previous_screen: 2146 if (mState != State.ALL_APPS && mState != State.APPS_CUSTOMIZE) { 2147 mWorkspace.performHapticFeedback(HapticFeedbackConstants.LONG_PRESS, 2148 HapticFeedbackConstants.FLAG_IGNORE_VIEW_SETTING); 2149 showPreviews(v); 2150 } 2151 return true; 2152 case R.id.next_screen: 2153 if (mState != State.ALL_APPS && mState != State.APPS_CUSTOMIZE) { 2154 mWorkspace.performHapticFeedback(HapticFeedbackConstants.LONG_PRESS, 2155 HapticFeedbackConstants.FLAG_IGNORE_VIEW_SETTING); 2156 showPreviews(v); 2157 } 2158 return true; 2159 case R.id.all_apps_button: 2160 if (mState != State.ALL_APPS && mState != State.APPS_CUSTOMIZE) { 2161 mWorkspace.performHapticFeedback(HapticFeedbackConstants.LONG_PRESS, 2162 HapticFeedbackConstants.FLAG_IGNORE_VIEW_SETTING); 2163 showPreviews(v); 2164 } 2165 return true; 2166 } 2167 2168 if (isWorkspaceLocked()) { 2169 return false; 2170 } 2171 2172 if (!(v instanceof CellLayout)) { 2173 v = (View) v.getParent().getParent(); 2174 } 2175 2176 resetAddInfo(); 2177 CellLayout.CellInfo longClickCellInfo = (CellLayout.CellInfo) v.getTag(); 2178 // This happens when long clicking an item with the dpad/trackball 2179 if (longClickCellInfo == null || !longClickCellInfo.valid) { 2180 return true; 2181 } 2182 2183 final View itemUnderLongClick = longClickCellInfo.cell; 2184 2185 if (mWorkspace.allowLongPress() && !mDragController.isDragging()) { 2186 if (itemUnderLongClick == null) { 2187 // User long pressed on empty space 2188 mWorkspace.setAllowLongPress(false); 2189 mWorkspace.performHapticFeedback(HapticFeedbackConstants.LONG_PRESS, 2190 HapticFeedbackConstants.FLAG_IGNORE_VIEW_SETTING); 2191 if (LauncherApplication.isScreenXLarge()) { 2192 addItems(); 2193 } else { 2194 startWallpaper(); 2195 } 2196 } else { 2197 if (!(itemUnderLongClick instanceof Folder)) { 2198 // User long pressed on an item 2199 mWorkspace.performHapticFeedback(HapticFeedbackConstants.LONG_PRESS, 2200 HapticFeedbackConstants.FLAG_IGNORE_VIEW_SETTING); 2201 mAddIntersectCellX = longClickCellInfo.cellX; 2202 mAddIntersectCellY = longClickCellInfo.cellY; 2203 mWorkspace.startDrag(longClickCellInfo); 2204 } 2205 } 2206 } 2207 return true; 2208 } 2209 2210 @SuppressWarnings({"unchecked"}) 2211 private void dismissPreview(final View v) { 2212 final PopupWindow window = (PopupWindow) v.getTag(); 2213 if (window != null) { 2214 window.setOnDismissListener(new PopupWindow.OnDismissListener() { 2215 public void onDismiss() { 2216 ViewGroup group = (ViewGroup) v.getTag(R.id.workspace); 2217 int count = group.getChildCount(); 2218 for (int i = 0; i < count; i++) { 2219 ((ImageView) group.getChildAt(i)).setImageDrawable(null); 2220 } 2221 ArrayList<Bitmap> bitmaps = 2222 (ArrayList<Bitmap>) v.getTag(R.id.all_apps_button_cluster); 2223 for (Bitmap bitmap : bitmaps) bitmap.recycle(); 2224 2225 v.setTag(R.id.workspace, null); 2226 v.setTag(R.id.all_apps_button_cluster, null); 2227 window.setOnDismissListener(null); 2228 } 2229 }); 2230 window.dismiss(); 2231 } 2232 v.setTag(null); 2233 } 2234 2235 private void showPreviews(View anchor) { 2236 showPreviews(anchor, 0, mWorkspace.getChildCount()); 2237 } 2238 2239 private void showPreviews(final View anchor, int start, int end) { 2240 final Resources resources = getResources(); 2241 final Workspace workspace = mWorkspace; 2242 2243 CellLayout cell = ((CellLayout) workspace.getChildAt(start)); 2244 2245 float max = workspace.getChildCount(); 2246 2247 final Rect r = new Rect(); 2248 resources.getDrawable(R.drawable.preview_background).getPadding(r); 2249 int extraW = (int) ((r.left + r.right) * max); 2250 int extraH = r.top + r.bottom; 2251 2252 int aW = cell.getWidth() - extraW; 2253 float w = aW / max; 2254 2255 int width = cell.getWidth(); 2256 int height = cell.getHeight(); 2257 int x = cell.getLeftPadding(); 2258 int y = cell.getTopPadding(); 2259 width -= (x + cell.getRightPadding()); 2260 height -= (y + cell.getBottomPadding()); 2261 2262 float scale = w / width; 2263 2264 int count = end - start; 2265 2266 final float sWidth = width * scale; 2267 float sHeight = height * scale; 2268 2269 LinearLayout preview = new LinearLayout(this); 2270 2271 PreviewTouchHandler handler = new PreviewTouchHandler(anchor); 2272 ArrayList<Bitmap> bitmaps = new ArrayList<Bitmap>(count); 2273 2274 for (int i = start; i < end; i++) { 2275 ImageView image = new ImageView(this); 2276 cell = (CellLayout) workspace.getChildAt(i); 2277 2278 final Bitmap bitmap = Bitmap.createBitmap((int) sWidth, (int) sHeight, 2279 Bitmap.Config.ARGB_8888); 2280 2281 final Canvas c = new Canvas(bitmap); 2282 c.scale(scale, scale); 2283 c.translate(-cell.getLeftPadding(), -cell.getTopPadding()); 2284 cell.drawChildren(c); 2285 2286 image.setBackgroundDrawable(resources.getDrawable(R.drawable.preview_background)); 2287 image.setImageBitmap(bitmap); 2288 image.setTag(i); 2289 image.setOnClickListener(handler); 2290 image.setOnFocusChangeListener(handler); 2291 image.setFocusable(true); 2292 if (i == mWorkspace.getCurrentPage()) image.requestFocus(); 2293 2294 preview.addView(image, 2295 LinearLayout.LayoutParams.WRAP_CONTENT, LinearLayout.LayoutParams.WRAP_CONTENT); 2296 2297 bitmaps.add(bitmap); 2298 } 2299 2300 final PopupWindow p = new PopupWindow(this); 2301 p.setContentView(preview); 2302 p.setWidth((int) (sWidth * count + extraW)); 2303 p.setHeight((int) (sHeight + extraH)); 2304 p.setAnimationStyle(R.style.AnimationPreview); 2305 p.setOutsideTouchable(true); 2306 p.setFocusable(true); 2307 p.setBackgroundDrawable(new ColorDrawable(0)); 2308 p.showAsDropDown(anchor, 0, 0); 2309 2310 p.setOnDismissListener(new PopupWindow.OnDismissListener() { 2311 public void onDismiss() { 2312 dismissPreview(anchor); 2313 } 2314 }); 2315 2316 anchor.setTag(p); 2317 anchor.setTag(R.id.workspace, preview); 2318 anchor.setTag(R.id.all_apps_button_cluster, bitmaps); 2319 } 2320 2321 class PreviewTouchHandler implements View.OnClickListener, Runnable, View.OnFocusChangeListener { 2322 private final View mAnchor; 2323 2324 public PreviewTouchHandler(View anchor) { 2325 mAnchor = anchor; 2326 } 2327 2328 public void onClick(View v) { 2329 mWorkspace.snapToPage((Integer) v.getTag()); 2330 v.post(this); 2331 } 2332 2333 public void run() { 2334 dismissPreview(mAnchor); 2335 } 2336 2337 public void onFocusChange(View v, boolean hasFocus) { 2338 if (hasFocus) { 2339 mWorkspace.snapToPage((Integer) v.getTag()); 2340 } 2341 } 2342 } 2343 2344 Workspace getWorkspace() { 2345 return mWorkspace; 2346 } 2347 2348 TabHost getCustomizationDrawer() { 2349 return mHomeCustomizationDrawer; 2350 } 2351 2352 @Override 2353 protected Dialog onCreateDialog(int id) { 2354 switch (id) { 2355 case DIALOG_CREATE_SHORTCUT: 2356 return new CreateShortcut().createDialog(); 2357 case DIALOG_RENAME_FOLDER: 2358 return new RenameFolder().createDialog(); 2359 } 2360 2361 return super.onCreateDialog(id); 2362 } 2363 2364 @Override 2365 protected void onPrepareDialog(int id, Dialog dialog) { 2366 switch (id) { 2367 case DIALOG_CREATE_SHORTCUT: 2368 break; 2369 case DIALOG_RENAME_FOLDER: 2370 if (mFolderInfo != null) { 2371 EditText input = (EditText) dialog.findViewById(R.id.folder_name); 2372 final CharSequence text = mFolderInfo.title; 2373 input.setText(text); 2374 input.setSelection(0, text.length()); 2375 } 2376 break; 2377 } 2378 } 2379 2380 void showRenameDialog(FolderInfo info) { 2381 mFolderInfo = info; 2382 mWaitingForResult = true; 2383 showDialog(DIALOG_RENAME_FOLDER); 2384 } 2385 2386 private void showAddDialog(int intersectX, int intersectY) { 2387 resetAddInfo(); 2388 mAddIntersectCellX = intersectX; 2389 mAddIntersectCellY = intersectY; 2390 mAddScreen = mWorkspace.getCurrentPage(); 2391 mWaitingForResult = true; 2392 showDialog(DIALOG_CREATE_SHORTCUT); 2393 } 2394 2395 private void pickShortcut() { 2396 // Insert extra item to handle picking application 2397 Bundle bundle = new Bundle(); 2398 2399 ArrayList<String> shortcutNames = new ArrayList<String>(); 2400 shortcutNames.add(getString(R.string.group_applications)); 2401 bundle.putStringArrayList(Intent.EXTRA_SHORTCUT_NAME, shortcutNames); 2402 2403 ArrayList<ShortcutIconResource> shortcutIcons = new ArrayList<ShortcutIconResource>(); 2404 shortcutIcons.add(ShortcutIconResource.fromContext(Launcher.this, 2405 R.drawable.ic_launcher_application)); 2406 bundle.putParcelableArrayList(Intent.EXTRA_SHORTCUT_ICON_RESOURCE, shortcutIcons); 2407 2408 Intent pickIntent = new Intent(Intent.ACTION_PICK_ACTIVITY); 2409 pickIntent.putExtra(Intent.EXTRA_INTENT, new Intent(Intent.ACTION_CREATE_SHORTCUT)); 2410 pickIntent.putExtra(Intent.EXTRA_TITLE, getText(R.string.title_select_shortcut)); 2411 pickIntent.putExtras(bundle); 2412 2413 startActivityForResult(pickIntent, REQUEST_PICK_SHORTCUT); 2414 } 2415 2416 private class RenameFolder { 2417 private EditText mInput; 2418 2419 Dialog createDialog() { 2420 final View layout = View.inflate(Launcher.this, R.layout.rename_folder, null); 2421 mInput = (EditText) layout.findViewById(R.id.folder_name); 2422 2423 AlertDialog.Builder builder = new AlertDialog.Builder(Launcher.this); 2424 builder.setIcon(0); 2425 builder.setTitle(getString(R.string.rename_folder_title)); 2426 builder.setCancelable(true); 2427 builder.setOnCancelListener(new Dialog.OnCancelListener() { 2428 public void onCancel(DialogInterface dialog) { 2429 cleanup(); 2430 } 2431 }); 2432 builder.setNegativeButton(getString(R.string.cancel_action), 2433 new Dialog.OnClickListener() { 2434 public void onClick(DialogInterface dialog, int which) { 2435 cleanup(); 2436 } 2437 } 2438 ); 2439 builder.setPositiveButton(getString(R.string.rename_action), 2440 new Dialog.OnClickListener() { 2441 public void onClick(DialogInterface dialog, int which) { 2442 changeFolderName(); 2443 } 2444 } 2445 ); 2446 builder.setView(layout); 2447 2448 final AlertDialog dialog = builder.create(); 2449 dialog.setOnShowListener(new DialogInterface.OnShowListener() { 2450 public void onShow(DialogInterface dialog) { 2451 mWaitingForResult = true; 2452 mInput.requestFocus(); 2453 InputMethodManager inputManager = (InputMethodManager) 2454 getSystemService(Context.INPUT_METHOD_SERVICE); 2455 inputManager.showSoftInput(mInput, 0); 2456 } 2457 }); 2458 2459 return dialog; 2460 } 2461 2462 private void changeFolderName() { 2463 final String name = mInput.getText().toString(); 2464 if (!TextUtils.isEmpty(name)) { 2465 // Make sure we have the right folder info 2466 mFolderInfo = sFolders.get(mFolderInfo.id); 2467 mFolderInfo.title = name; 2468 LauncherModel.updateItemInDatabase(Launcher.this, mFolderInfo); 2469 2470 if (mWorkspaceLoading) { 2471 lockAllApps(); 2472 mModel.startLoader(Launcher.this, false); 2473 } else { 2474 final FolderIcon folderIcon = (FolderIcon) 2475 mWorkspace.getViewForTag(mFolderInfo); 2476 if (folderIcon != null) { 2477 // TODO: At some point we'll probably want some version of setting 2478 // the text for a folder icon. 2479 //folderIcon.setText(name); 2480 getWorkspace().requestLayout(); 2481 } else { 2482 lockAllApps(); 2483 mWorkspaceLoading = true; 2484 mModel.startLoader(Launcher.this, false); 2485 } 2486 } 2487 } 2488 cleanup(); 2489 } 2490 2491 private void cleanup() { 2492 dismissDialog(DIALOG_RENAME_FOLDER); 2493 mWaitingForResult = false; 2494 mFolderInfo = null; 2495 } 2496 } 2497 2498 // Now a part of LauncherModel.Callbacks. Used to reorder loading steps. 2499 public boolean isAllAppsVisible() { 2500 return (mState == State.ALL_APPS) || (mState == State.APPS_CUSTOMIZE); 2501 } 2502 2503 // AllAppsView.Watcher 2504 public void zoomed(float zoom) { 2505 // In XLarge view, we zoom down the workspace below all apps so it's still visible 2506 if (zoom == 1.0f && !LauncherApplication.isScreenXLarge()) { 2507 mWorkspace.setVisibility(View.GONE); 2508 } 2509 } 2510 2511 private void showAndEnableToolbarButton(View button) { 2512 button.setVisibility(View.VISIBLE); 2513 } 2514 2515 private void hideToolbarButton(View button) { 2516 // We can't set it to GONE, otherwise the RelativeLayout gets screwed up 2517 button.setVisibility(View.INVISIBLE); 2518 button.setAlpha(0.0f); 2519 } 2520 2521 /** 2522 * Helper function for showing or hiding a toolbar button, possibly animated. 2523 * 2524 * @param show If true, create an animation to the show the item. Otherwise, hide it. 2525 * @param view The toolbar button to be animated 2526 * @param seq A AnimatorSet that will be used to animate the transition. If null, the 2527 * transition will not be animated. 2528 */ 2529 private void hideOrShowToolbarButton(boolean show, final View view, AnimatorSet seq) { 2530 final boolean showing = show; 2531 final boolean hiding = !show; 2532 2533 final int duration = show ? 2534 getResources().getInteger(R.integer.config_toolbarButtonFadeInTime) : 2535 getResources().getInteger(R.integer.config_toolbarButtonFadeOutTime); 2536 2537 if (seq != null) { 2538 ValueAnimator anim = ValueAnimator.ofFloat(view.getAlpha(), show ? 1.0f : 0.0f); 2539 anim.setDuration(duration); 2540 anim.addUpdateListener(new AnimatorUpdateListener() { 2541 public void onAnimationUpdate(ValueAnimator animation) { 2542 view.setAlpha((Float) animation.getAnimatedValue()); 2543 } 2544 }); 2545 anim.addListener(new AnimatorListenerAdapter() { 2546 @Override 2547 public void onAnimationStart(Animator animation) { 2548 if (showing) showAndEnableToolbarButton(view); 2549 } 2550 @Override 2551 public void onAnimationEnd(Animator animation) { 2552 if (hiding) hideToolbarButton(view); 2553 } 2554 }); 2555 seq.play(anim); 2556 } else { 2557 if (showing) { 2558 showAndEnableToolbarButton(view); 2559 view.setAlpha(1f); 2560 } else { 2561 hideToolbarButton(view); 2562 } 2563 } 2564 } 2565 2566 /** 2567 * Show/hide the appropriate toolbar buttons for newState. 2568 * If showSeq or hideSeq is null, the transition will be done immediately (not animated). 2569 * 2570 * @param newState The state that is being switched to 2571 * @param showSeq AnimatorSet in which to put "show" animations, or null. 2572 * @param hideSeq AnimatorSet in which to put "hide" animations, or null. 2573 */ 2574 private void hideAndShowToolbarButtons(State newState, AnimatorSet showSeq, AnimatorSet hideSeq) { 2575 switch (newState) { 2576 case WORKSPACE: 2577 hideOrShowToolbarButton(true, mButtonCluster, showSeq); 2578 mDeleteZone.setDragAndDropEnabled(true); 2579 if (LauncherApplication.isScreenXLarge()) { 2580 mDeleteZone.setText(getResources().getString(R.string.delete_zone_label_workspace)); 2581 } 2582 break; 2583 case ALL_APPS: 2584 case APPS_CUSTOMIZE: 2585 hideOrShowToolbarButton(false, mButtonCluster, hideSeq); 2586 mDeleteZone.setDragAndDropEnabled(false); 2587 if (LauncherApplication.isScreenXLarge()) { 2588 mDeleteZone.setText(getResources().getString(R.string.delete_zone_label_all_apps)); 2589 } 2590 break; 2591 case CUSTOMIZE: 2592 hideOrShowToolbarButton(false, mButtonCluster, hideSeq); 2593 mDeleteZone.setDragAndDropEnabled(false); 2594 break; 2595 } 2596 } 2597 2598 /** 2599 * Helper method for the cameraZoomIn/cameraZoomOut animations 2600 * @param view The view being animated 2601 * @param state The state that we are moving in or out of -- either ALL_APPS or CUSTOMIZE 2602 * @param scaleFactor The scale factor used for the zoom 2603 */ 2604 private void setPivotsForZoom(View view, State state, float scaleFactor) { 2605 final int height = view.getHeight(); 2606 2607 view.setPivotX(view.getWidth() / 2.0f); 2608 // Set pivotY so that at the starting zoom factor, the view is partially 2609 // visible. Modifying initialHeightFactor changes how much of the view is 2610 // initially showing, and hence the perceived angle from which the view enters. 2611 if (state == State.ALL_APPS || state == State.APPS_CUSTOMIZE) { 2612 final float initialHeightFactor = 0.175f; 2613 view.setPivotY((1 - initialHeightFactor) * height); 2614 } else { 2615 final float initialHeightFactor = 0.2f; 2616 view.setPivotY(-initialHeightFactor * height); 2617 } 2618 } 2619 2620 /** 2621 * Zoom the camera out from the workspace to reveal 'toView'. 2622 * Assumes that the view to show is anchored at either the very top or very bottom 2623 * of the screen. 2624 * @param toState The state to zoom out to. Must be ALL_APPS or CUSTOMIZE. 2625 */ 2626 private void cameraZoomOut(State toState, boolean animated, boolean springLoaded) { 2627 final Resources res = getResources(); 2628 final boolean toAllApps = (toState == State.ALL_APPS) 2629 || (toState == State.APPS_CUSTOMIZE); 2630 2631 final int duration = (toAllApps ? 2632 res.getInteger(R.integer.config_appsCustomizeZoomInTime) : 2633 res.getInteger(R.integer.config_customizeZoomInTime)); 2634 final int fadeDuration = (toAllApps ? 2635 res.getInteger(R.integer.config_appsCustomizeFadeInTime) : 2636 res.getInteger(R.integer.config_customizeFadeInTime)); 2637 2638 final float scale = toAllApps ? 2639 (float) res.getInteger(R.integer.config_appsCustomizeZoomScaleFactor) : 2640 (float) res.getInteger(R.integer.config_customizeZoomScaleFactor); 2641 2642 View tmpView; 2643 if (toAllApps) { 2644 tmpView = (LauncherApplication.isScreenXLarge()) 2645 ? (View) mAllAppsGrid : mAppsCustomizeTabHost; 2646 } else { 2647 tmpView = mHomeCustomizationDrawer; 2648 } 2649 final View toView = tmpView; 2650 2651 setPivotsForZoom(toView, toState, scale); 2652 2653 if (toAllApps) { 2654 if (!springLoaded) { 2655 mWorkspace.shrink(ShrinkState.BOTTOM_HIDDEN, animated); 2656 2657 if (LauncherApplication.isScreenXLarge()) { 2658 // Everytime we launch into AllApps, we reset the successful drop flag which 2659 // controls when it should hide/show the mini workspaces 2660 mAllAppsPagedView.resetSuccessfulDropFlag(); 2661 } 2662 } else { 2663 mWorkspace.shrink(ShrinkState.BOTTOM_VISIBLE, animated); 2664 } 2665 } else { 2666 mWorkspace.shrink(ShrinkState.TOP, animated); 2667 } 2668 2669 if (animated) { 2670 final ValueAnimator scaleAnim = ValueAnimator.ofFloat(0f, 1f).setDuration(duration); 2671 scaleAnim.setInterpolator(new Workspace.ZoomOutInterpolator()); 2672 scaleAnim.addUpdateListener(new LauncherAnimatorUpdateListener() { 2673 public void onAnimationUpdate(float a, float b) { 2674 ((View) toView.getParent()).fastInvalidate(); 2675 toView.setFastScaleX(a * scale + b * 1f); 2676 toView.setFastScaleY(a * scale + b * 1f); 2677 } 2678 }); 2679 2680 if (toAllApps) { 2681 toView.setFastAlpha(0f); 2682 ValueAnimator alphaAnim = ValueAnimator.ofFloat(0f, 1f).setDuration(fadeDuration); 2683 alphaAnim.setInterpolator(new DecelerateInterpolator(1.5f)); 2684 alphaAnim.addUpdateListener(new LauncherAnimatorUpdateListener() { 2685 public void onAnimationUpdate(float a, float b) { 2686 // don't need to invalidate because we do so above 2687 toView.setFastAlpha(a * 0f + b * 1f); 2688 } 2689 }); 2690 alphaAnim.start(); 2691 } 2692 2693 if (toView instanceof LauncherTransitionable) { 2694 ((LauncherTransitionable) toView).onLauncherTransitionStart(scaleAnim); 2695 } 2696 scaleAnim.addListener(new AnimatorListenerAdapter() { 2697 @Override 2698 public void onAnimationStart(Animator animation) { 2699 // Prepare the position 2700 toView.setTranslationX(0.0f); 2701 toView.setTranslationY(0.0f); 2702 toView.setVisibility(View.VISIBLE); 2703 toView.bringToFront(); 2704 if (!toAllApps) { 2705 toView.setFastAlpha(1.0f); 2706 } 2707 } 2708 @Override 2709 public void onAnimationEnd(Animator animation) { 2710 // If we don't set the final scale values here, if this animation is cancelled 2711 // it will have the wrong scale value and subsequent cameraPan animations will 2712 // not fix that 2713 toView.setScaleX(1.0f); 2714 toView.setScaleY(1.0f); 2715 if (toView instanceof LauncherTransitionable) { 2716 ((LauncherTransitionable) toView).onLauncherTransitionEnd(scaleAnim); 2717 } 2718 } 2719 }); 2720 2721 AnimatorSet toolbarHideAnim = new AnimatorSet(); 2722 AnimatorSet toolbarShowAnim = new AnimatorSet(); 2723 hideAndShowToolbarButtons(toState, toolbarShowAnim, toolbarHideAnim); 2724 2725 // toView should appear right at the end of the workspace shrink animation 2726 final int startDelay = 0; 2727 2728 if (mStateAnimation != null) mStateAnimation.cancel(); 2729 mStateAnimation = new AnimatorSet(); 2730 mStateAnimation.playTogether(scaleAnim, toolbarHideAnim); 2731 mStateAnimation.play(scaleAnim).after(startDelay); 2732 2733 // Show the new toolbar buttons just as the main animation is ending 2734 final int fadeInTime = res.getInteger(R.integer.config_toolbarButtonFadeInTime); 2735 mStateAnimation.play(toolbarShowAnim).after(duration + startDelay - fadeInTime); 2736 mStateAnimation.start(); 2737 } else { 2738 toView.setTranslationX(0.0f); 2739 toView.setTranslationY(0.0f); 2740 toView.setScaleX(1.0f); 2741 toView.setScaleY(1.0f); 2742 toView.setVisibility(View.VISIBLE); 2743 toView.bringToFront(); 2744 if (toView instanceof LauncherTransitionable) { 2745 ((LauncherTransitionable) toView).onLauncherTransitionStart(null); 2746 ((LauncherTransitionable) toView).onLauncherTransitionEnd(null); 2747 } 2748 hideAndShowToolbarButtons(toState, null, null); 2749 } 2750 } 2751 2752 /** 2753 * Zoom the camera back into the workspace, hiding 'fromView'. 2754 * This is the opposite of cameraZoomOut. 2755 * @param fromState The current state (must be ALL_APPS or CUSTOMIZE). 2756 * @param animated If true, the transition will be animated. 2757 */ 2758 private void cameraZoomIn(State fromState, boolean animated, boolean springLoaded) { 2759 Resources res = getResources(); 2760 final boolean fromAllApps = (fromState == State.ALL_APPS) 2761 || (fromState == State.APPS_CUSTOMIZE); 2762 2763 int duration = fromAllApps ? 2764 res.getInteger(R.integer.config_appsCustomizeZoomOutTime) : 2765 res.getInteger(R.integer.config_customizeZoomOutTime); 2766 2767 final float scaleFactor = fromAllApps ? 2768 (float) res.getInteger(R.integer.config_appsCustomizeZoomScaleFactor) : 2769 (float) res.getInteger(R.integer.config_customizeZoomScaleFactor); 2770 2771 View tmpView; 2772 if (fromAllApps) { 2773 tmpView = (LauncherApplication.isScreenXLarge()) 2774 ? (View) mAllAppsGrid : mAppsCustomizeTabHost; 2775 } else { 2776 tmpView = mHomeCustomizationDrawer; 2777 } 2778 final View fromView = tmpView; 2779 2780 if (LauncherApplication.isScreenXLarge()) { 2781 mCustomizePagedView.endChoiceMode(); 2782 mAllAppsPagedView.endChoiceMode(); 2783 } 2784 2785 setPivotsForZoom(fromView, fromState, scaleFactor); 2786 2787 if (!springLoaded) { 2788 mWorkspace.unshrink(animated); 2789 } 2790 if (animated) { 2791 if (mStateAnimation != null) mStateAnimation.cancel(); 2792 mStateAnimation = new AnimatorSet(); 2793 2794 final float oldScaleX = fromView.getScaleX(); 2795 final float oldScaleY = fromView.getScaleY(); 2796 2797 ValueAnimator scaleAnim = ValueAnimator.ofFloat(0f, 1f).setDuration(duration); 2798 scaleAnim.setInterpolator(new Workspace.ZoomInInterpolator()); 2799 scaleAnim.addUpdateListener(new LauncherAnimatorUpdateListener() { 2800 public void onAnimationUpdate(float a, float b) { 2801 ((View)fromView.getParent()).fastInvalidate(); 2802 fromView.setFastScaleX(a * oldScaleX + b * scaleFactor); 2803 fromView.setFastScaleY(a * oldScaleY + b * scaleFactor); 2804 } 2805 }); 2806 final ValueAnimator alphaAnim = ValueAnimator.ofFloat(0f, 1f); 2807 alphaAnim.setDuration(res.getInteger(R.integer.config_appsCustomizeFadeOutTime)); 2808 alphaAnim.setInterpolator(new DecelerateInterpolator(1.5f)); 2809 alphaAnim.addUpdateListener(new LauncherAnimatorUpdateListener() { 2810 public void onAnimationUpdate(float a, float b) { 2811 // don't need to invalidate because we do so above 2812 fromView.setFastAlpha(a * 1f + b * 0f); 2813 } 2814 }); 2815 if (fromView instanceof LauncherTransitionable) { 2816 ((LauncherTransitionable) fromView).onLauncherTransitionStart(alphaAnim); 2817 } 2818 alphaAnim.addListener(new AnimatorListenerAdapter() { 2819 @Override 2820 public void onAnimationEnd(Animator animation) { 2821 fromView.setVisibility(View.GONE); 2822 if (fromView instanceof LauncherTransitionable) { 2823 ((LauncherTransitionable) fromView).onLauncherTransitionEnd(alphaAnim); 2824 } 2825 } 2826 }); 2827 2828 AnimatorSet toolbarHideAnim = new AnimatorSet(); 2829 AnimatorSet toolbarShowAnim = new AnimatorSet(); 2830 if (!springLoaded) { 2831 hideAndShowToolbarButtons(State.WORKSPACE, toolbarShowAnim, toolbarHideAnim); 2832 } 2833 2834 mStateAnimation.playTogether(scaleAnim, toolbarHideAnim, alphaAnim); 2835 2836 // Show the new toolbar buttons at the very end of the whole animation 2837 final int fadeInTime = res.getInteger(R.integer.config_toolbarButtonFadeInTime); 2838 final int unshrinkTime = res.getInteger(R.integer.config_workspaceUnshrinkTime); 2839 mStateAnimation.play(toolbarShowAnim).after(unshrinkTime - fadeInTime); 2840 mStateAnimation.start(); 2841 } else { 2842 fromView.setVisibility(View.GONE); 2843 if (fromView instanceof LauncherTransitionable) { 2844 ((LauncherTransitionable) fromView).onLauncherTransitionStart(null); 2845 ((LauncherTransitionable) fromView).onLauncherTransitionEnd(null); 2846 } 2847 if (!springLoaded) { 2848 hideAndShowToolbarButtons(State.WORKSPACE, null, null); 2849 } 2850 } 2851 } 2852 2853 void showWorkspace(boolean animated) { 2854 showWorkspace(animated, null); 2855 } 2856 2857 void showWorkspace(boolean animated, CellLayout layout) { 2858 if (layout != null) { 2859 // always animated, but that's ok since we never specify a layout and 2860 // want no animation 2861 mWorkspace.unshrink(layout); 2862 } else { 2863 mWorkspace.unshrink(animated); 2864 } 2865 if (mState == State.ALL_APPS || mState == State.APPS_CUSTOMIZE) { 2866 closeAllApps(animated); 2867 } else if (mState == State.CUSTOMIZE) { 2868 hideCustomizationDrawer(animated); 2869 } 2870 2871 // Change the state *after* we've called all the transition code 2872 mState = State.WORKSPACE; 2873 2874 // Resume the auto-advance of widgets 2875 mUserPresent = true; 2876 updateRunning(); 2877 2878 // send an accessibility event to announce the context change 2879 getWindow().getDecorView().sendAccessibilityEvent(AccessibilityEvent.TYPE_VIEW_SELECTED); 2880 } 2881 2882 void enterSpringLoadedDragMode(CellLayout layout) { 2883 mWorkspace.enterSpringLoadedDragMode(layout); 2884 if (mState == State.ALL_APPS || mState == State.APPS_CUSTOMIZE) { 2885 mState = State.ALL_APPS_SPRING_LOADED; 2886 if (LauncherApplication.isScreenXLarge()) { 2887 cameraZoomIn(State.ALL_APPS, true, true); 2888 } else { 2889 cameraZoomIn(State.APPS_CUSTOMIZE, true, true); 2890 } 2891 } else if (mState == State.CUSTOMIZE) { 2892 mState = State.CUSTOMIZE_SPRING_LOADED; 2893 cameraZoomIn(State.CUSTOMIZE, true, true); 2894 }/* else { 2895 // we're already in spring loaded mode; don't do anything 2896 }*/ 2897 } 2898 2899 void exitSpringLoadedDragMode() { 2900 if (mState == State.ALL_APPS_SPRING_LOADED) { 2901 mWorkspace.exitSpringLoadedDragMode(Workspace.ShrinkState.BOTTOM_VISIBLE); 2902 if (LauncherApplication.isScreenXLarge()) { 2903 cameraZoomOut(State.ALL_APPS, true, true); 2904 mState = State.ALL_APPS; 2905 } else { 2906 cameraZoomOut(State.APPS_CUSTOMIZE, true, true); 2907 mState = State.APPS_CUSTOMIZE; 2908 } 2909 } else if (mState == State.CUSTOMIZE_SPRING_LOADED) { 2910 mWorkspace.exitSpringLoadedDragMode(Workspace.ShrinkState.TOP); 2911 cameraZoomOut(State.CUSTOMIZE, true, true); 2912 mState = State.CUSTOMIZE; 2913 }/* else { 2914 // we're not in spring loaded mode; don't do anything 2915 }*/ 2916 } 2917 2918 void showAllApps(boolean animated) { 2919 if (mState != State.WORKSPACE) return; 2920 if (LauncherApplication.isScreenXLarge()) { 2921 cameraZoomOut(State.ALL_APPS, animated, false); 2922 ((View) mAllAppsGrid).requestFocus(); 2923 2924 // TODO: fade these two too 2925 mDeleteZone.setVisibility(View.GONE); 2926 2927 // Change the state *after* we've called all the transition code 2928 mState = State.ALL_APPS; 2929 } else { 2930 View appsCustomizePane = findViewById(R.id.apps_customize_pane); 2931 cameraZoomOut(State.APPS_CUSTOMIZE, animated, false); 2932 appsCustomizePane.requestFocus(); 2933 2934 // Change the state *after* we've called all the transition code 2935 mState = State.APPS_CUSTOMIZE; 2936 } 2937 2938 // Pause the auto-advance of widgets until we are out of AllApps 2939 mUserPresent = false; 2940 updateRunning(); 2941 2942 // Send an accessibility event to announce the context change 2943 getWindow().getDecorView().sendAccessibilityEvent(AccessibilityEvent.TYPE_VIEW_SELECTED); 2944 } 2945 2946 /** 2947 * Things to test when changing this code. 2948 * - Home from workspace 2949 * - from center screen 2950 * - from other screens 2951 * - Home from all apps 2952 * - from center screen 2953 * - from other screens 2954 * - Back from all apps 2955 * - from center screen 2956 * - from other screens 2957 * - Launch app from workspace and quit 2958 * - with back 2959 * - with home 2960 * - Launch app from all apps and quit 2961 * - with back 2962 * - with home 2963 * - Go to a screen that's not the default, then all 2964 * apps, and launch and app, and go back 2965 * - with back 2966 * -with home 2967 * - On workspace, long press power and go back 2968 * - with back 2969 * - with home 2970 * - On all apps, long press power and go back 2971 * - with back 2972 * - with home 2973 * - On workspace, power off 2974 * - On all apps, power off 2975 * - Launch an app and turn off the screen while in that app 2976 * - Go back with home key 2977 * - Go back with back key TODO: make this not go to workspace 2978 * - From all apps 2979 * - From workspace 2980 * - Enter and exit car mode (becuase it causes an extra configuration changed) 2981 * - From all apps 2982 * - From the center workspace 2983 * - From another workspace 2984 */ 2985 void closeAllApps(boolean animated) { 2986 if (LauncherApplication.isScreenXLarge()) { 2987 if (mState == State.ALL_APPS || mState == State.ALL_APPS_SPRING_LOADED) { 2988 mWorkspace.setVisibility(View.VISIBLE); 2989 cameraZoomIn(State.ALL_APPS, animated, false); 2990 2991 // Set focus to the AllApps button 2992 findViewById(R.id.all_apps_button).requestFocus(); 2993 } 2994 } else { 2995 if (mState == State.APPS_CUSTOMIZE || mState == State.ALL_APPS_SPRING_LOADED) { 2996 mWorkspace.setVisibility(View.VISIBLE); 2997 cameraZoomIn(State.APPS_CUSTOMIZE, animated, false); 2998 2999 // Set focus to the AllApps button 3000 findViewById(R.id.all_apps_button).requestFocus(); 3001 } 3002 } 3003 } 3004 3005 void lockAllApps() { 3006 // TODO 3007 } 3008 3009 void unlockAllApps() { 3010 // TODO 3011 } 3012 3013 // Show the customization drawer (only exists in x-large configuration) 3014 private void showCustomizationDrawer(boolean animated) { 3015 if (mState != State.WORKSPACE) { 3016 return; 3017 } 3018 3019 cameraZoomOut(State.CUSTOMIZE, animated, false); 3020 3021 // Change the state *after* we've called all the transition code 3022 mState = State.CUSTOMIZE; 3023 3024 // Pause the auto-advance of widgets until we are out of Customization drawer 3025 mUserPresent = false; 3026 updateRunning(); 3027 } 3028 3029 // Hide the customization drawer (only exists in x-large configuration) 3030 void hideCustomizationDrawer(boolean animated) { 3031 if (mState == State.CUSTOMIZE || mState == State.CUSTOMIZE_SPRING_LOADED) { 3032 cameraZoomIn(State.CUSTOMIZE, animated, false); 3033 3034 // Set focus to the customize button 3035 findViewById(R.id.configure_button).requestFocus(); 3036 } 3037 } 3038 3039 /** 3040 * Add an item from all apps or customize onto the given workspace screen. 3041 * If layout is null, add to the current screen. 3042 */ 3043 void addExternalItemToScreen(ItemInfo itemInfo, final CellLayout layout) { 3044 if (!mWorkspace.addExternalItemToScreen(itemInfo, layout)) { 3045 showOutOfSpaceMessage(); 3046 } else { 3047 layout.animateDrop(); 3048 } 3049 } 3050 3051 void onWorkspaceClick(CellLayout layout) { 3052 showWorkspace(true, layout); 3053 } 3054 3055 private Drawable getExternalPackageToolbarIcon(ComponentName activityName) { 3056 try { 3057 PackageManager packageManager = getPackageManager(); 3058 // Look for the toolbar icon specified in the activity meta-data 3059 Bundle metaData = packageManager.getActivityInfo( 3060 activityName, PackageManager.GET_META_DATA).metaData; 3061 if (metaData != null) { 3062 int iconResId = metaData.getInt(TOOLBAR_ICON_METADATA_NAME); 3063 if (iconResId != 0) { 3064 Resources res = packageManager.getResourcesForActivity(activityName); 3065 return res.getDrawable(iconResId); 3066 } 3067 } 3068 } catch (NameNotFoundException e) { 3069 // Do nothing 3070 } 3071 return null; 3072 } 3073 3074 // if successful in getting icon, return it; otherwise, set button to use default drawable 3075 private Drawable.ConstantState updateTextButtonWithIconFromExternalActivity( 3076 int buttonId, ComponentName activityName, int fallbackDrawableId) { 3077 TextView button = (TextView) findViewById(buttonId); 3078 Drawable toolbarIcon = getExternalPackageToolbarIcon(activityName); 3079 3080 // If we were unable to find the icon via the meta-data, use a generic one 3081 if (toolbarIcon == null) { 3082 button.setCompoundDrawablesWithIntrinsicBounds(fallbackDrawableId, 0, 0, 0); 3083 return null; 3084 } else { 3085 button.setCompoundDrawablesWithIntrinsicBounds(toolbarIcon, null, null, null); 3086 return toolbarIcon.getConstantState(); 3087 } 3088 } 3089 3090 // if successful in getting icon, return it; otherwise, set button to use default drawable 3091 private Drawable.ConstantState updateButtonWithIconFromExternalActivity( 3092 int buttonId, ComponentName activityName, int fallbackDrawableId) { 3093 ImageView button = (ImageView) findViewById(buttonId); 3094 Drawable toolbarIcon = getExternalPackageToolbarIcon(activityName); 3095 3096 // If we were unable to find the icon via the meta-data, use a generic one 3097 if (toolbarIcon == null) { 3098 button.setImageResource(fallbackDrawableId); 3099 return null; 3100 } else { 3101 button.setImageDrawable(toolbarIcon); 3102 return toolbarIcon.getConstantState(); 3103 } 3104 } 3105 3106 private void updateTextButtonWithDrawable(int buttonId, Drawable.ConstantState d) { 3107 TextView button = (TextView) findViewById(buttonId); 3108 button.setCompoundDrawables(d.newDrawable(getResources()), null, null, null); 3109 } 3110 3111 private void updateButtonWithDrawable(int buttonId, Drawable.ConstantState d) { 3112 ImageView button = (ImageView) findViewById(buttonId); 3113 button.setImageDrawable(d.newDrawable(getResources())); 3114 } 3115 3116 private void updateGlobalSearchIcon() { 3117 if (LauncherApplication.isScreenXLarge()) { 3118 final View searchButton = findViewById(R.id.search_button); 3119 final View searchDivider = findViewById(R.id.search_divider); 3120 3121 final SearchManager searchManager = 3122 (SearchManager) getSystemService(Context.SEARCH_SERVICE); 3123 ComponentName activityName = searchManager.getGlobalSearchActivity(); 3124 if (activityName != null) { 3125 sGlobalSearchIcon = updateButtonWithIconFromExternalActivity( 3126 R.id.search_button, activityName, R.drawable.ic_generic_search); 3127 searchButton.setVisibility(View.VISIBLE); 3128 searchDivider.setVisibility(View.VISIBLE); 3129 } else { 3130 searchButton.setVisibility(View.GONE); 3131 searchDivider.setVisibility(View.GONE); 3132 } 3133 } 3134 } 3135 3136 private void updateGlobalSearchIcon(Drawable.ConstantState d) { 3137 updateButtonWithDrawable(R.id.search_button, d); 3138 } 3139 3140 private void updateVoiceSearchIcon() { 3141 if (LauncherApplication.isScreenXLarge()) { 3142 final View searchDivider = findViewById(R.id.search_divider); 3143 final View voiceButton = findViewById(R.id.voice_button); 3144 3145 Intent intent = new Intent(RecognizerIntent.ACTION_WEB_SEARCH); 3146 ComponentName activityName = intent.resolveActivity(getPackageManager()); 3147 if (activityName != null) { 3148 sVoiceSearchIcon = updateButtonWithIconFromExternalActivity( 3149 R.id.voice_button, activityName, R.drawable.ic_voice_search); 3150 searchDivider.setVisibility(View.VISIBLE); 3151 voiceButton.setVisibility(View.VISIBLE); 3152 } else { 3153 searchDivider.setVisibility(View.GONE); 3154 voiceButton.setVisibility(View.GONE); 3155 } 3156 } 3157 } 3158 3159 private void updateVoiceSearchIcon(Drawable.ConstantState d) { 3160 updateButtonWithDrawable(R.id.voice_button, d); 3161 } 3162 3163 /** 3164 * Sets the app market icon (shown when all apps is visible on x-large screens) 3165 */ 3166 private void updateAppMarketIcon() { 3167 final View marketButton = findViewById(R.id.market_button); 3168 Intent intent = new Intent(Intent.ACTION_MAIN).addCategory(Intent.CATEGORY_APP_MARKET); 3169 // Find the app market activity by resolving an intent. 3170 // (If multiple app markets are installed, it will return the ResolverActivity.) 3171 ComponentName activityName = intent.resolveActivity(getPackageManager()); 3172 if (activityName != null) { 3173 mAppMarketIntent = intent; 3174 sAppMarketIcon = updateTextButtonWithIconFromExternalActivity( 3175 R.id.market_button, activityName, R.drawable.app_market_generic); 3176 marketButton.setVisibility(View.VISIBLE); 3177 } else { 3178 // We should hide and disable the view so that we don't try and restore the visibility 3179 // of it when we swap between drag & normal states from IconDropTarget subclasses. 3180 marketButton.setVisibility(View.GONE); 3181 marketButton.setEnabled(false); 3182 } 3183 } 3184 3185 private void updateAppMarketIcon(Drawable.ConstantState d) { 3186 updateTextButtonWithDrawable(R.id.market_button, d); 3187 } 3188 3189 /** 3190 * Displays the shortcut creation dialog and launches, if necessary, the 3191 * appropriate activity. 3192 */ 3193 private class CreateShortcut implements DialogInterface.OnClickListener, 3194 DialogInterface.OnCancelListener, DialogInterface.OnDismissListener, 3195 DialogInterface.OnShowListener { 3196 3197 private AddAdapter mAdapter; 3198 3199 Dialog createDialog() { 3200 mAdapter = new AddAdapter(Launcher.this); 3201 3202 final AlertDialog.Builder builder = new AlertDialog.Builder(Launcher.this); 3203 builder.setTitle(getString(R.string.menu_item_add_item)); 3204 builder.setAdapter(mAdapter, this); 3205 3206 builder.setInverseBackgroundForced(true); 3207 3208 AlertDialog dialog = builder.create(); 3209 dialog.setOnCancelListener(this); 3210 dialog.setOnDismissListener(this); 3211 dialog.setOnShowListener(this); 3212 3213 return dialog; 3214 } 3215 3216 public void onCancel(DialogInterface dialog) { 3217 mWaitingForResult = false; 3218 cleanup(); 3219 } 3220 3221 public void onDismiss(DialogInterface dialog) { 3222 } 3223 3224 private void cleanup() { 3225 try { 3226 dismissDialog(DIALOG_CREATE_SHORTCUT); 3227 } catch (Exception e) { 3228 // An exception is thrown if the dialog is not visible, which is fine 3229 } 3230 } 3231 3232 /** 3233 * Handle the action clicked in the "Add to home" dialog. 3234 */ 3235 public void onClick(DialogInterface dialog, int which) { 3236 Resources res = getResources(); 3237 cleanup(); 3238 3239 switch (which) { 3240 case AddAdapter.ITEM_SHORTCUT: { 3241 pickShortcut(); 3242 break; 3243 } 3244 3245 case AddAdapter.ITEM_APPWIDGET: { 3246 int appWidgetId = Launcher.this.mAppWidgetHost.allocateAppWidgetId(); 3247 3248 Intent pickIntent = new Intent(AppWidgetManager.ACTION_APPWIDGET_PICK); 3249 pickIntent.putExtra(AppWidgetManager.EXTRA_APPWIDGET_ID, appWidgetId); 3250 // start the pick activity 3251 startActivityForResult(pickIntent, REQUEST_PICK_APPWIDGET); 3252 break; 3253 } 3254 3255 case AddAdapter.ITEM_WALLPAPER: { 3256 startWallpaper(); 3257 break; 3258 } 3259 } 3260 } 3261 3262 public void onShow(DialogInterface dialog) { 3263 mWaitingForResult = true; 3264 } 3265 } 3266 3267 /** 3268 * Receives notifications when applications are added/removed. 3269 */ 3270 private class CloseSystemDialogsIntentReceiver extends BroadcastReceiver { 3271 @Override 3272 public void onReceive(Context context, Intent intent) { 3273 closeSystemDialogs(); 3274 String reason = intent.getStringExtra("reason"); 3275 if (!"homekey".equals(reason)) { 3276 boolean animate = true; 3277 if (mPaused || "lock".equals(reason)) { 3278 animate = false; 3279 } 3280 showWorkspace(animate); 3281 } 3282 } 3283 } 3284 3285 /** 3286 * Receives notifications whenever the appwidgets are reset. 3287 */ 3288 private class AppWidgetResetObserver extends ContentObserver { 3289 public AppWidgetResetObserver() { 3290 super(new Handler()); 3291 } 3292 3293 @Override 3294 public void onChange(boolean selfChange) { 3295 onAppWidgetReset(); 3296 } 3297 } 3298 3299 /** 3300 * If the activity is currently paused, signal that we need to re-run the loader 3301 * in onResume. 3302 * 3303 * This needs to be called from incoming places where resources might have been loaded 3304 * while we are paused. That is becaues the Configuration might be wrong 3305 * when we're not running, and if it comes back to what it was when we 3306 * were paused, we are not restarted. 3307 * 3308 * Implementation of the method from LauncherModel.Callbacks. 3309 * 3310 * @return true if we are currently paused. The caller might be able to 3311 * skip some work in that case since we will come back again. 3312 */ 3313 public boolean setLoadOnResume() { 3314 if (mPaused) { 3315 Log.i(TAG, "setLoadOnResume"); 3316 mOnResumeNeedsLoad = true; 3317 return true; 3318 } else { 3319 return false; 3320 } 3321 } 3322 3323 /** 3324 * Implementation of the method from LauncherModel.Callbacks. 3325 */ 3326 public int getCurrentWorkspaceScreen() { 3327 if (mWorkspace != null) { 3328 return mWorkspace.getCurrentPage(); 3329 } else { 3330 return SCREEN_COUNT / 2; 3331 } 3332 } 3333 3334 void setAllAppsPagedView(AllAppsPagedView view) { 3335 mAllAppsPagedView = view; 3336 } 3337 3338 /** 3339 * Refreshes the shortcuts shown on the workspace. 3340 * 3341 * Implementation of the method from LauncherModel.Callbacks. 3342 */ 3343 public void startBinding() { 3344 final Workspace workspace = mWorkspace; 3345 3346 mWorkspace.clearDropTargets(); 3347 int count = workspace.getChildCount(); 3348 for (int i = 0; i < count; i++) { 3349 // Use removeAllViewsInLayout() to avoid an extra requestLayout() and invalidate(). 3350 final CellLayout layoutParent = (CellLayout) workspace.getChildAt(i); 3351 layoutParent.removeAllViewsInLayout(); 3352 } 3353 3354 if (DEBUG_USER_INTERFACE) { 3355 android.widget.Button finishButton = new android.widget.Button(this); 3356 finishButton.setText("Finish"); 3357 workspace.addInScreen(finishButton, 1, 0, 0, 1, 1); 3358 3359 finishButton.setOnClickListener(new android.widget.Button.OnClickListener() { 3360 public void onClick(View v) { 3361 finish(); 3362 } 3363 }); 3364 } 3365 3366 // This wasn't being called before which resulted in a leak of AppWidgetHostViews (through 3367 // mDesktopItems -> AppWidgetInfo -> hostView). 3368 unbindDesktopItems(); 3369 } 3370 3371 /** 3372 * Bind the items start-end from the list. 3373 * 3374 * Implementation of the method from LauncherModel.Callbacks. 3375 */ 3376 public void bindItems(ArrayList<ItemInfo> shortcuts, int start, int end) { 3377 3378 setLoadOnResume(); 3379 3380 final Workspace workspace = mWorkspace; 3381 3382 for (int i=start; i<end; i++) { 3383 final ItemInfo item = shortcuts.get(i); 3384 mDesktopItems.add(item); 3385 switch (item.itemType) { 3386 case LauncherSettings.Favorites.ITEM_TYPE_APPLICATION: 3387 case LauncherSettings.Favorites.ITEM_TYPE_SHORTCUT: 3388 final View shortcut = createShortcut((ShortcutInfo)item); 3389 workspace.addInScreen(shortcut, item.screen, item.cellX, item.cellY, 1, 1, 3390 false); 3391 break; 3392 case LauncherSettings.Favorites.ITEM_TYPE_FOLDER: 3393 final FolderIcon newFolder = FolderIcon.fromXml(R.layout.folder_icon, this, 3394 (ViewGroup) workspace.getChildAt(workspace.getCurrentPage()), 3395 (FolderInfo) item, mIconCache); 3396 workspace.addInScreen(newFolder, item.screen, item.cellX, item.cellY, 1, 1, 3397 false); 3398 break; 3399 } 3400 } 3401 3402 workspace.requestLayout(); 3403 } 3404 3405 /** 3406 * Implementation of the method from LauncherModel.Callbacks. 3407 */ 3408 public void bindFolders(HashMap<Long, FolderInfo> folders) { 3409 setLoadOnResume(); 3410 sFolders.clear(); 3411 sFolders.putAll(folders); 3412 } 3413 3414 /** 3415 * Add the views for a widget to the workspace. 3416 * 3417 * Implementation of the method from LauncherModel.Callbacks. 3418 */ 3419 public void bindAppWidget(LauncherAppWidgetInfo item) { 3420 setLoadOnResume(); 3421 3422 final long start = DEBUG_WIDGETS ? SystemClock.uptimeMillis() : 0; 3423 if (DEBUG_WIDGETS) { 3424 Log.d(TAG, "bindAppWidget: " + item); 3425 } 3426 final Workspace workspace = mWorkspace; 3427 3428 final int appWidgetId = item.appWidgetId; 3429 final AppWidgetProviderInfo appWidgetInfo = mAppWidgetManager.getAppWidgetInfo(appWidgetId); 3430 if (DEBUG_WIDGETS) { 3431 Log.d(TAG, "bindAppWidget: id=" + item.appWidgetId + " belongs to component " + appWidgetInfo.provider); 3432 } 3433 3434 item.hostView = mAppWidgetHost.createView(this, appWidgetId, appWidgetInfo); 3435 3436 item.hostView.setAppWidget(appWidgetId, appWidgetInfo); 3437 item.hostView.setTag(item); 3438 3439 workspace.addInScreen(item.hostView, item.screen, item.cellX, 3440 item.cellY, item.spanX, item.spanY, false); 3441 3442 addWidgetToAutoAdvanceIfNeeded(item.hostView, appWidgetInfo); 3443 3444 workspace.requestLayout(); 3445 3446 mDesktopItems.add(item); 3447 3448 if (DEBUG_WIDGETS) { 3449 Log.d(TAG, "bound widget id="+item.appWidgetId+" in " 3450 + (SystemClock.uptimeMillis()-start) + "ms"); 3451 } 3452 } 3453 3454 /** 3455 * Callback saying that there aren't any more items to bind. 3456 * 3457 * Implementation of the method from LauncherModel.Callbacks. 3458 */ 3459 public void finishBindingItems() { 3460 setLoadOnResume(); 3461 3462 if (mSavedState != null) { 3463 if (!mWorkspace.hasFocus()) { 3464 mWorkspace.getChildAt(mWorkspace.getCurrentPage()).requestFocus(); 3465 } 3466 3467 final long[] folders = mSavedState.getLongArray(RUNTIME_STATE_FOLDERS); 3468 if (folders != null) { 3469 for (long folderId : folders) { 3470 final FolderInfo info = sFolders.get(folderId); 3471 final FolderIcon folderIcon = (FolderIcon) 3472 mWorkspace.getViewForTag(info); 3473 if (folderIcon != null) { 3474 openFolder(folderIcon); 3475 } 3476 } 3477 final Folder openFolder = mWorkspace.getOpenFolder(); 3478 if (openFolder != null) { 3479 openFolder.requestFocus(); 3480 } 3481 } 3482 3483 mSavedState = null; 3484 } 3485 3486 if (mSavedInstanceState != null) { 3487 super.onRestoreInstanceState(mSavedInstanceState); 3488 mSavedInstanceState = null; 3489 } 3490 3491 // Workaround a bug that occurs when rotating the device while the customization mode is 3492 // open, we trigger a new layout on all the CellLayout children. 3493 if (LauncherApplication.isScreenXLarge() && (mState == State.CUSTOMIZE)) { 3494 final int childCount = mWorkspace.getChildCount(); 3495 for (int i = 0; i < childCount; ++i) { 3496 mWorkspace.getChildAt(i).requestLayout(); 3497 } 3498 } 3499 3500 mWorkspaceLoading = false; 3501 3502 // If we received the result of any pending adds while the loader was running (e.g. the 3503 // widget configuration forced an orientation change), process them now. 3504 for (int i = 0; i < sPendingAddList.size(); i++) { 3505 completeAdd(sPendingAddList.get(i)); 3506 } 3507 sPendingAddList.clear(); 3508 } 3509 3510 /** 3511 * Updates the icons on the launcher that are affected by changes to the package list 3512 * on the device. 3513 */ 3514 private void updateIconsAffectedByPackageManagerChanges() { 3515 updateAppMarketIcon(); 3516 updateGlobalSearchIcon(); 3517 updateVoiceSearchIcon(); 3518 } 3519 3520 /** 3521 * Add the icons for all apps. 3522 * 3523 * Implementation of the method from LauncherModel.Callbacks. 3524 */ 3525 public void bindAllApplications(ArrayList<ApplicationInfo> apps) { 3526 if (mAllAppsGrid != null) { 3527 mAllAppsGrid.setApps(apps); 3528 } 3529 if (mAppsCustomizeContent != null) { 3530 mAppsCustomizeContent.setApps(apps); 3531 } 3532 if (mCustomizePagedView != null) { 3533 mCustomizePagedView.setApps(apps); 3534 } 3535 updateIconsAffectedByPackageManagerChanges(); 3536 } 3537 3538 /** 3539 * A package was installed. 3540 * 3541 * Implementation of the method from LauncherModel.Callbacks. 3542 */ 3543 public void bindAppsAdded(ArrayList<ApplicationInfo> apps) { 3544 setLoadOnResume(); 3545 removeDialog(DIALOG_CREATE_SHORTCUT); 3546 if (mAllAppsGrid != null) { 3547 mAllAppsGrid.addApps(apps); 3548 } 3549 if (mAppsCustomizeContent != null) { 3550 mAppsCustomizeContent.addApps(apps); 3551 } 3552 if (mCustomizePagedView != null) { 3553 mCustomizePagedView.addApps(apps); 3554 } 3555 updateIconsAffectedByPackageManagerChanges(); 3556 } 3557 3558 /** 3559 * A package was updated. 3560 * 3561 * Implementation of the method from LauncherModel.Callbacks. 3562 */ 3563 public void bindAppsUpdated(ArrayList<ApplicationInfo> apps) { 3564 setLoadOnResume(); 3565 removeDialog(DIALOG_CREATE_SHORTCUT); 3566 if (mWorkspace != null) { 3567 mWorkspace.updateShortcuts(apps); 3568 } 3569 if (mAllAppsGrid != null) { 3570 mAllAppsGrid.updateApps(apps); 3571 } 3572 if (mAppsCustomizeContent != null) { 3573 mAppsCustomizeContent.updateApps(apps); 3574 } 3575 if (mCustomizePagedView != null) { 3576 mCustomizePagedView.updateApps(apps); 3577 } 3578 updateIconsAffectedByPackageManagerChanges(); 3579 } 3580 3581 /** 3582 * A package was uninstalled. 3583 * 3584 * Implementation of the method from LauncherModel.Callbacks. 3585 */ 3586 public void bindAppsRemoved(ArrayList<ApplicationInfo> apps, boolean permanent) { 3587 removeDialog(DIALOG_CREATE_SHORTCUT); 3588 if (permanent) { 3589 mWorkspace.removeItems(apps); 3590 } 3591 if (mAllAppsGrid != null) { 3592 mAllAppsGrid.removeApps(apps); 3593 } 3594 if (mAppsCustomizeContent != null) { 3595 mAppsCustomizeContent.removeApps(apps); 3596 } 3597 if (mCustomizePagedView != null) { 3598 mCustomizePagedView.removeApps(apps); 3599 } 3600 updateIconsAffectedByPackageManagerChanges(); 3601 } 3602 3603 /** 3604 * A number of packages were updated. 3605 */ 3606 public void bindPackagesUpdated() { 3607 // update the customization drawer contents 3608 if (mCustomizePagedView != null) { 3609 mCustomizePagedView.update(); 3610 } 3611 if (mAppsCustomizeContent != null) { 3612 mAppsCustomizeContent.onPackagesUpdated(); 3613 } 3614 } 3615 3616 private int mapConfigurationOriActivityInfoOri(int configOri) { 3617 final Display d = getWindowManager().getDefaultDisplay(); 3618 int naturalOri = Configuration.ORIENTATION_LANDSCAPE; 3619 switch (d.getRotation()) { 3620 case Surface.ROTATION_0: 3621 case Surface.ROTATION_180: 3622 // We are currently in the same basic orientation as the natural orientation 3623 naturalOri = configOri; 3624 break; 3625 case Surface.ROTATION_90: 3626 case Surface.ROTATION_270: 3627 // We are currently in the other basic orientation to the natural orientation 3628 naturalOri = (configOri == Configuration.ORIENTATION_LANDSCAPE) ? 3629 Configuration.ORIENTATION_PORTRAIT : Configuration.ORIENTATION_LANDSCAPE; 3630 break; 3631 } 3632 3633 int[] oriMap = { 3634 ActivityInfo.SCREEN_ORIENTATION_PORTRAIT, 3635 ActivityInfo.SCREEN_ORIENTATION_LANDSCAPE, 3636 ActivityInfo.SCREEN_ORIENTATION_REVERSE_PORTRAIT, 3637 ActivityInfo.SCREEN_ORIENTATION_REVERSE_LANDSCAPE 3638 }; 3639 // Since the map starts at portrait, we need to offset if this device's natural orientation 3640 // is landscape. 3641 int indexOffset = 0; 3642 if (naturalOri == Configuration.ORIENTATION_LANDSCAPE) { 3643 indexOffset = 1; 3644 } 3645 return oriMap[(d.getRotation() + indexOffset) % 4]; 3646 } 3647 public void lockScreenOrientation() { 3648 setRequestedOrientation(mapConfigurationOriActivityInfoOri(getResources() 3649 .getConfiguration().orientation)); 3650 } 3651 public void unlockScreenOrientation() { 3652 mHandler.postDelayed(new Runnable() { 3653 public void run() { 3654 setRequestedOrientation(ActivityInfo.SCREEN_ORIENTATION_UNSPECIFIED); 3655 } 3656 }, mRestoreScreenOrientationDelay); 3657 } 3658 3659 /** 3660 * Prints out out state for debugging. 3661 */ 3662 public void dumpState() { 3663 Log.d(TAG, "BEGIN launcher2 dump state for launcher " + this); 3664 Log.d(TAG, "mSavedState=" + mSavedState); 3665 Log.d(TAG, "mWorkspaceLoading=" + mWorkspaceLoading); 3666 Log.d(TAG, "mRestoring=" + mRestoring); 3667 Log.d(TAG, "mWaitingForResult=" + mWaitingForResult); 3668 Log.d(TAG, "mSavedInstanceState=" + mSavedInstanceState); 3669 Log.d(TAG, "mDesktopItems.size=" + mDesktopItems.size()); 3670 Log.d(TAG, "sFolders.size=" + sFolders.size()); 3671 mModel.dumpState(); 3672 if (mAllAppsGrid != null) { 3673 mAllAppsGrid.dumpState(); 3674 } 3675 if (mAppsCustomizeContent != null) { 3676 mAppsCustomizeContent.dumpState(); 3677 } 3678 Log.d(TAG, "END launcher2 dump state"); 3679 } 3680} 3681 3682interface LauncherTransitionable { 3683 void onLauncherTransitionStart(Animator animation); 3684 void onLauncherTransitionEnd(Animator animation); 3685} 3686