Launcher.java revision 0a1af42571021b1da51349e1fd0ae87fd98b813b
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 com.android.common.Search; 21import com.android.launcher.R; 22import com.android.launcher2.CustomizePagedView.CustomizationType; 23import com.android.launcher2.Workspace.ShrinkState; 24 25import android.animation.Animator; 26import android.animation.AnimatorListenerAdapter; 27import android.animation.AnimatorSet; 28import android.animation.ObjectAnimator; 29import android.animation.PropertyValuesHolder; 30import android.animation.ValueAnimator; 31import android.animation.ValueAnimator.AnimatorUpdateListener; 32import android.app.Activity; 33import android.app.AlertDialog; 34import android.app.Dialog; 35import android.app.SearchManager; 36import android.app.StatusBarManager; 37import android.appwidget.AppWidgetManager; 38import android.appwidget.AppWidgetProviderInfo; 39import android.content.ActivityNotFoundException; 40import android.content.BroadcastReceiver; 41import android.content.ClipData; 42import android.content.ClipDescription; 43import android.content.ComponentName; 44import android.content.ContentResolver; 45import android.content.Context; 46import android.content.DialogInterface; 47import android.content.Intent; 48import android.content.IntentFilter; 49import android.content.Intent.ShortcutIconResource; 50import android.content.pm.ActivityInfo; 51import android.content.pm.PackageManager; 52import android.content.pm.ResolveInfo; 53import android.content.pm.PackageManager.NameNotFoundException; 54import android.content.res.Configuration; 55import android.content.res.Resources; 56import android.content.res.TypedArray; 57import android.database.ContentObserver; 58import android.graphics.Bitmap; 59import android.graphics.Canvas; 60import android.graphics.Rect; 61import android.graphics.drawable.ColorDrawable; 62import android.graphics.drawable.Drawable; 63import android.net.Uri; 64import android.os.AsyncTask; 65import android.os.Bundle; 66import android.os.Environment; 67import android.os.Handler; 68import android.os.Message; 69import android.os.Parcelable; 70import android.os.SystemClock; 71import android.os.SystemProperties; 72import android.provider.LiveFolders; 73import android.provider.Settings; 74import android.speech.RecognizerIntent; 75import android.text.Selection; 76import android.text.SpannableStringBuilder; 77import android.text.TextUtils; 78import android.text.method.TextKeyListener; 79import android.util.Log; 80import android.view.Display; 81import android.view.HapticFeedbackConstants; 82import android.view.KeyEvent; 83import android.view.LayoutInflater; 84import android.view.Menu; 85import android.view.MenuItem; 86import android.view.MotionEvent; 87import android.view.Surface; 88import android.view.View; 89import android.view.ViewGroup; 90import android.view.WindowManager; 91import android.view.View.OnClickListener; 92import android.view.View.OnLongClickListener; 93import android.view.accessibility.AccessibilityEvent; 94import android.view.animation.DecelerateInterpolator; 95import android.view.inputmethod.InputMethodManager; 96import android.widget.Advanceable; 97import android.widget.EditText; 98import android.widget.ImageView; 99import android.widget.LinearLayout; 100import android.widget.PopupWindow; 101import android.widget.TabHost; 102import android.widget.TabWidget; 103import android.widget.TextView; 104import android.widget.Toast; 105import android.widget.TabHost.OnTabChangeListener; 106import android.widget.TabHost.TabContentFactory; 107 108import java.io.DataInputStream; 109import java.io.DataOutputStream; 110import java.io.FileNotFoundException; 111import java.io.IOException; 112import java.util.ArrayList; 113import java.util.HashMap; 114import java.util.List; 115 116 117/** 118 * Default launcher application. 119 */ 120public final class Launcher extends Activity 121 implements View.OnClickListener, OnLongClickListener, LauncherModel.Callbacks, 122 AllAppsView.Watcher, View.OnTouchListener { 123 static final String TAG = "Launcher"; 124 static final boolean LOGD = false; 125 126 static final boolean PROFILE_STARTUP = false; 127 static final boolean DEBUG_WIDGETS = false; 128 static final boolean DEBUG_USER_INTERFACE = false; 129 130 private static final int MENU_GROUP_ADD = 1; 131 private static final int MENU_GROUP_WALLPAPER = MENU_GROUP_ADD + 1; 132 133 private static final int MENU_ADD = Menu.FIRST + 1; 134 private static final int MENU_MANAGE_APPS = MENU_ADD + 1; 135 private static final int MENU_WALLPAPER_SETTINGS = MENU_MANAGE_APPS + 1; 136 private static final int MENU_SEARCH = MENU_WALLPAPER_SETTINGS + 1; 137 private static final int MENU_NOTIFICATIONS = MENU_SEARCH + 1; 138 private static final int MENU_SETTINGS = MENU_NOTIFICATIONS + 1; 139 140 private static final int REQUEST_CREATE_SHORTCUT = 1; 141 private static final int REQUEST_CREATE_LIVE_FOLDER = 4; 142 private static final int REQUEST_CREATE_APPWIDGET = 5; 143 private static final int REQUEST_PICK_APPLICATION = 6; 144 private static final int REQUEST_PICK_SHORTCUT = 7; 145 private static final int REQUEST_PICK_LIVE_FOLDER = 8; 146 private static final int REQUEST_PICK_APPWIDGET = 9; 147 private static final int REQUEST_PICK_WALLPAPER = 10; 148 149 static final String EXTRA_SHORTCUT_DUPLICATE = "duplicate"; 150 151 static final int SCREEN_COUNT = 5; 152 static final int DEFAULT_SCREEN = 2; 153 154 static final int DIALOG_CREATE_SHORTCUT = 1; 155 static final int DIALOG_RENAME_FOLDER = 2; 156 157 private static final String PREFERENCES = "launcher.preferences"; 158 159 // Type: int 160 private static final String RUNTIME_STATE_CURRENT_SCREEN = "launcher.current_screen"; 161 // Type: int 162 private static final String RUNTIME_STATE = "launcher.state"; 163 // Type: long 164 private static final String RUNTIME_STATE_USER_FOLDERS = "launcher.user_folder"; 165 // Type: int 166 private static final String RUNTIME_STATE_PENDING_ADD_SCREEN = "launcher.add_screen"; 167 // Type: int 168 private static final String RUNTIME_STATE_PENDING_ADD_CELL_X = "launcher.add_cellX"; 169 // Type: int 170 private static final String RUNTIME_STATE_PENDING_ADD_CELL_Y = "launcher.add_cellY"; 171 // Type: boolean 172 private static final String RUNTIME_STATE_PENDING_FOLDER_RENAME = "launcher.rename_folder"; 173 // Type: long 174 private static final String RUNTIME_STATE_PENDING_FOLDER_RENAME_ID = "launcher.rename_folder_id"; 175 176 // tags for the customization tabs 177 private static final String WIDGETS_TAG = "widgets"; 178 private static final String APPLICATIONS_TAG = "applications"; 179 private static final String SHORTCUTS_TAG = "shortcuts"; 180 private static final String WALLPAPERS_TAG = "wallpapers"; 181 182 private static final String TOOLBAR_ICON_METADATA_NAME = "com.android.launcher.toolbar_icon"; 183 184 /** The different states that Launcher can be in. */ 185 private enum State { WORKSPACE, ALL_APPS, CUSTOMIZE, 186 CUSTOMIZE_SPRING_LOADED, ALL_APPS_SPRING_LOADED }; 187 private State mState = State.WORKSPACE; 188 private AnimatorSet mStateAnimation; 189 190 static final int APPWIDGET_HOST_ID = 1024; 191 192 private static final Object sLock = new Object(); 193 private static int sScreen = DEFAULT_SCREEN; 194 195 private final BroadcastReceiver mCloseSystemDialogsReceiver 196 = new CloseSystemDialogsIntentReceiver(); 197 private final ContentObserver mWidgetObserver = new AppWidgetResetObserver(); 198 199 private LayoutInflater mInflater; 200 201 private DragController mDragController; 202 private Workspace mWorkspace; 203 204 private AppWidgetManager mAppWidgetManager; 205 private LauncherAppWidgetHost mAppWidgetHost; 206 207 private int mAddScreen = -1; 208 private int mAddIntersectCellX = -1; 209 private int mAddIntersectCellY = -1; 210 private int[] mAddDropPosition; 211 private int[] mTmpAddItemCellCoordinates = new int[2]; 212 213 private FolderInfo mFolderInfo; 214 215 private DeleteZone mDeleteZone; 216 private HandleView mHandleView; 217 private AllAppsView mAllAppsGrid; 218 private TabHost mHomeCustomizationDrawer; 219 private boolean mAutoAdvanceRunning = false; 220 221 private View mButtonCluster; 222 private View mAllAppsButton; 223 private View mDivider; 224 private View mConfigureButton; 225 226 private AllAppsPagedView mAllAppsPagedView = null; 227 private CustomizePagedView mCustomizePagedView = null; 228 229 private Bundle mSavedState; 230 231 private SpannableStringBuilder mDefaultKeySsb = null; 232 233 private boolean mWorkspaceLoading = true; 234 235 private boolean mPaused = true; 236 private boolean mRestoring; 237 private boolean mWaitingForResult; 238 private boolean mOnResumeNeedsLoad; 239 240 private Bundle mSavedInstanceState; 241 242 private LauncherModel mModel; 243 private IconCache mIconCache; 244 private boolean mUserPresent = true; 245 private boolean mVisible = false; 246 private boolean mAttached = false; 247 248 private static LocaleConfiguration sLocaleConfiguration = null; 249 250 private ArrayList<ItemInfo> mDesktopItems = new ArrayList<ItemInfo>(); 251 252 private static HashMap<Long, FolderInfo> sFolders = new HashMap<Long, FolderInfo>(); 253 254 private ImageView mPreviousView; 255 private ImageView mNextView; 256 257 // Hotseats (quick-launch icons next to AllApps) 258 private String[] mHotseatConfig = null; 259 private Intent[] mHotseats = null; 260 private Drawable[] mHotseatIcons = null; 261 private CharSequence[] mHotseatLabels = null; 262 263 private Intent mAppMarketIntent = null; 264 265 // Related to the auto-advancing of widgets 266 private final int ADVANCE_MSG = 1; 267 private final int mAdvanceInterval = 20000; 268 private final int mAdvanceStagger = 250; 269 private long mAutoAdvanceSentTime; 270 private long mAutoAdvanceTimeLeft = -1; 271 private HashMap<View, AppWidgetProviderInfo> mWidgetsToAdvance = 272 new HashMap<View, AppWidgetProviderInfo>(); 273 274 // Determines how long to wait after a rotation before restoring the screen orientation to 275 // match the sensor state. 276 private final int mRestoreScreenOrientationDelay = 500; 277 278 // External icons saved in case of resource changes, orientation, etc. 279 private static Drawable.ConstantState sGlobalSearchIcon; 280 private static Drawable.ConstantState sVoiceSearchIcon; 281 private static Drawable.ConstantState sAppMarketIcon; 282 283 private BubbleTextView mWaitingForResume; 284 285 private CustomizationType getCustomizeFilterForTabTag(String tag) { 286 if (tag.equals(WIDGETS_TAG)) { 287 return CustomizationType.WidgetCustomization; 288 } else if (tag.equals(APPLICATIONS_TAG)) { 289 return CustomizationType.ApplicationCustomization; 290 } else if (tag.equals(WALLPAPERS_TAG)) { 291 return CustomizePagedView.CustomizationType.WallpaperCustomization; 292 } else if (tag.equals(SHORTCUTS_TAG)) { 293 return CustomizePagedView.CustomizationType.ShortcutCustomization; 294 } 295 return CustomizationType.WidgetCustomization; 296 } 297 298 @Override 299 protected void onCreate(Bundle savedInstanceState) { 300 super.onCreate(savedInstanceState); 301 302 if (LauncherApplication.isInPlaceRotationEnabled()) { 303 // hide the status bar (temporary until we get the status bar design figured out) 304 getWindow().setFlags(WindowManager.LayoutParams.FLAG_FULLSCREEN, WindowManager.LayoutParams.FLAG_FULLSCREEN); 305 this.setRequestedOrientation(ActivityInfo.SCREEN_ORIENTATION_SENSOR); 306 } 307 308 LauncherApplication app = ((LauncherApplication)getApplication()); 309 mModel = app.setLauncher(this); 310 mIconCache = app.getIconCache(); 311 mDragController = new DragController(this); 312 mInflater = getLayoutInflater(); 313 314 mAppWidgetManager = AppWidgetManager.getInstance(this); 315 mAppWidgetHost = new LauncherAppWidgetHost(this, APPWIDGET_HOST_ID); 316 mAppWidgetHost.startListening(); 317 318 if (PROFILE_STARTUP) { 319 android.os.Debug.startMethodTracing( 320 Environment.getExternalStorageDirectory() + "/launcher"); 321 } 322 323 loadHotseats(); 324 checkForLocaleChange(); 325 setContentView(R.layout.launcher); 326 mHomeCustomizationDrawer = (TabHost) findViewById(R.id.customization_drawer); 327 if (mHomeCustomizationDrawer != null) { 328 mHomeCustomizationDrawer.setup(); 329 330 // share the same customization workspace across all the tabs 331 mCustomizePagedView = (CustomizePagedView) mInflater.inflate( 332 R.layout.customization_drawer, mHomeCustomizationDrawer, false); 333 TabContentFactory contentFactory = new TabContentFactory() { 334 public View createTabContent(String tag) { 335 return mCustomizePagedView; 336 } 337 }; 338 339 340 TextView tabView; 341 TabWidget tabWidget = (TabWidget) 342 mHomeCustomizationDrawer.findViewById(com.android.internal.R.id.tabs); 343 344 tabView = (TextView) mInflater.inflate(R.layout.tab_widget_indicator, tabWidget, false); 345 tabView.setText(getString(R.string.widgets_tab_label)); 346 mHomeCustomizationDrawer.addTab(mHomeCustomizationDrawer.newTabSpec(WIDGETS_TAG) 347 .setIndicator(tabView).setContent(contentFactory)); 348 tabView = (TextView) mInflater.inflate(R.layout.tab_widget_indicator, tabWidget, false); 349 tabView.setText(getString(R.string.applications_tab_label)); 350 mHomeCustomizationDrawer.addTab(mHomeCustomizationDrawer.newTabSpec(APPLICATIONS_TAG) 351 .setIndicator(tabView).setContent(contentFactory)); 352 tabView = (TextView) mInflater.inflate(R.layout.tab_widget_indicator, tabWidget, false); 353 tabView.setText(getString(R.string.wallpapers_tab_label)); 354 mHomeCustomizationDrawer.addTab(mHomeCustomizationDrawer.newTabSpec(WALLPAPERS_TAG) 355 .setIndicator(tabView).setContent(contentFactory)); 356 tabView = (TextView) mInflater.inflate(R.layout.tab_widget_indicator, tabWidget, false); 357 tabView.setText(getString(R.string.shortcuts_tab_label)); 358 mHomeCustomizationDrawer.addTab(mHomeCustomizationDrawer.newTabSpec(SHORTCUTS_TAG) 359 .setIndicator(tabView).setContent(contentFactory)); 360 mHomeCustomizationDrawer.setOnTabChangedListener(new OnTabChangeListener() { 361 public void onTabChanged(String tabId) { 362 final CustomizePagedView.CustomizationType newType = 363 getCustomizeFilterForTabTag(tabId); 364 if (newType != mCustomizePagedView.getCustomizationFilter()) { 365 // animate the changing of the tab content by fading pages in and out 366 final Resources res = getResources(); 367 final int duration = res.getInteger(R.integer.config_tabTransitionTime); 368 final float alpha = mCustomizePagedView.getAlpha(); 369 ValueAnimator alphaAnim = ObjectAnimator.ofFloat(mCustomizePagedView, 370 "alpha", alpha, 0.0f); 371 alphaAnim.setDuration(duration); 372 alphaAnim.addListener(new AnimatorListenerAdapter() { 373 @Override 374 public void onAnimationEnd(Animator animation) { 375 mCustomizePagedView.setCustomizationFilter(newType); 376 377 final float alpha = mCustomizePagedView.getAlpha(); 378 ValueAnimator alphaAnim = ObjectAnimator.ofFloat( 379 mCustomizePagedView, "alpha", alpha, 1.0f); 380 alphaAnim.setDuration(duration); 381 alphaAnim.start(); 382 } 383 }); 384 alphaAnim.start(); 385 } 386 } 387 }); 388 } 389 setupViews(); 390 391 registerContentObservers(); 392 393 lockAllApps(); 394 395 mSavedState = savedInstanceState; 396 restoreState(mSavedState); 397 398 // Update customization drawer _after_ restoring the states 399 if (mCustomizePagedView != null) { 400 mCustomizePagedView.update(); 401 } 402 403 if (PROFILE_STARTUP) { 404 android.os.Debug.stopMethodTracing(); 405 } 406 407 if (!mRestoring) { 408 mModel.startLoader(this, true); 409 } 410 411 // For handling default keys 412 mDefaultKeySsb = new SpannableStringBuilder(); 413 Selection.setSelection(mDefaultKeySsb, 0); 414 415 IntentFilter filter = new IntentFilter(Intent.ACTION_CLOSE_SYSTEM_DIALOGS); 416 registerReceiver(mCloseSystemDialogsReceiver, filter); 417 418 // If we have a saved version of these external icons, we load them up immediately 419 if (LauncherApplication.isScreenXLarge()) { 420 if (sGlobalSearchIcon != null) { 421 updateGlobalSearchIcon(sGlobalSearchIcon); 422 } 423 if (sVoiceSearchIcon != null) { 424 updateVoiceSearchIcon(sVoiceSearchIcon); 425 } 426 if (sAppMarketIcon != null) { 427 updateAppMarketIcon(sAppMarketIcon); 428 } 429 } 430 } 431 432 @Override 433 public boolean dispatchPopulateAccessibilityEvent(AccessibilityEvent event) { 434 super.dispatchPopulateAccessibilityEvent(event); 435 436 // we want to take over text population so it is context dependent 437 event.getText().clear(); 438 if (mState == State.ALL_APPS) { 439 event.getText().add(getString(R.string.all_apps_button_label)); 440 } else if (mState == State.WORKSPACE) { 441 event.getText().add(getString(R.string.all_apps_home_button_label)); 442 } 443 444 return true; 445 } 446 447 private void checkForLocaleChange() { 448 if (sLocaleConfiguration == null) { 449 new AsyncTask<Void, Void, LocaleConfiguration>() { 450 @Override 451 protected LocaleConfiguration doInBackground(Void... unused) { 452 LocaleConfiguration localeConfiguration = new LocaleConfiguration(); 453 readConfiguration(Launcher.this, localeConfiguration); 454 return localeConfiguration; 455 } 456 457 @Override 458 protected void onPostExecute(LocaleConfiguration result) { 459 sLocaleConfiguration = result; 460 checkForLocaleChange(); // recursive, but now with a locale configuration 461 } 462 }.execute(); 463 return; 464 } 465 466 final Configuration configuration = getResources().getConfiguration(); 467 468 final String previousLocale = sLocaleConfiguration.locale; 469 final String locale = configuration.locale.toString(); 470 471 final int previousMcc = sLocaleConfiguration.mcc; 472 final int mcc = configuration.mcc; 473 474 final int previousMnc = sLocaleConfiguration.mnc; 475 final int mnc = configuration.mnc; 476 477 boolean localeChanged = !locale.equals(previousLocale) || mcc != previousMcc || mnc != previousMnc; 478 479 if (localeChanged) { 480 sLocaleConfiguration.locale = locale; 481 sLocaleConfiguration.mcc = mcc; 482 sLocaleConfiguration.mnc = mnc; 483 484 mIconCache.flush(); 485 loadHotseats(); 486 487 final LocaleConfiguration localeConfiguration = sLocaleConfiguration; 488 new Thread("WriteLocaleConfiguration") { 489 @Override 490 public void run() { 491 writeConfiguration(Launcher.this, localeConfiguration); 492 } 493 }.start(); 494 } 495 } 496 497 private static class LocaleConfiguration { 498 public String locale; 499 public int mcc = -1; 500 public int mnc = -1; 501 } 502 503 private static void readConfiguration(Context context, LocaleConfiguration configuration) { 504 DataInputStream in = null; 505 try { 506 in = new DataInputStream(context.openFileInput(PREFERENCES)); 507 configuration.locale = in.readUTF(); 508 configuration.mcc = in.readInt(); 509 configuration.mnc = in.readInt(); 510 } catch (FileNotFoundException e) { 511 // Ignore 512 } catch (IOException e) { 513 // Ignore 514 } finally { 515 if (in != null) { 516 try { 517 in.close(); 518 } catch (IOException e) { 519 // Ignore 520 } 521 } 522 } 523 } 524 525 private static void writeConfiguration(Context context, LocaleConfiguration configuration) { 526 DataOutputStream out = null; 527 try { 528 out = new DataOutputStream(context.openFileOutput(PREFERENCES, MODE_PRIVATE)); 529 out.writeUTF(configuration.locale); 530 out.writeInt(configuration.mcc); 531 out.writeInt(configuration.mnc); 532 out.flush(); 533 } catch (FileNotFoundException e) { 534 // Ignore 535 } catch (IOException e) { 536 //noinspection ResultOfMethodCallIgnored 537 context.getFileStreamPath(PREFERENCES).delete(); 538 } finally { 539 if (out != null) { 540 try { 541 out.close(); 542 } catch (IOException e) { 543 // Ignore 544 } 545 } 546 } 547 } 548 549 static int getScreen() { 550 synchronized (sLock) { 551 return sScreen; 552 } 553 } 554 555 static void setScreen(int screen) { 556 synchronized (sLock) { 557 sScreen = screen; 558 } 559 } 560 561 // Note: This doesn't do all the client-id magic that BrowserProvider does 562 // in Browser. (http://b/2425179) 563 private Uri getDefaultBrowserUri() { 564 String url = getString(R.string.default_browser_url); 565 if (url.indexOf("{CID}") != -1) { 566 url = url.replace("{CID}", "android-google"); 567 } 568 return Uri.parse(url); 569 } 570 571 // Load the Intent templates from arrays.xml to populate the hotseats. For 572 // each Intent, if it resolves to a single app, use that as the launch 573 // intent & use that app's label as the contentDescription. Otherwise, 574 // retain the ResolveActivity so the user can pick an app. 575 private void loadHotseats() { 576 if (mHotseatConfig == null) { 577 mHotseatConfig = getResources().getStringArray(R.array.hotseats); 578 if (mHotseatConfig.length > 0) { 579 mHotseats = new Intent[mHotseatConfig.length]; 580 mHotseatLabels = new CharSequence[mHotseatConfig.length]; 581 mHotseatIcons = new Drawable[mHotseatConfig.length]; 582 } else { 583 mHotseats = null; 584 mHotseatIcons = null; 585 mHotseatLabels = null; 586 } 587 588 TypedArray hotseatIconDrawables = getResources().obtainTypedArray(R.array.hotseat_icons); 589 for (int i=0; i<mHotseatConfig.length; i++) { 590 // load icon for this slot; currently unrelated to the actual activity 591 try { 592 mHotseatIcons[i] = hotseatIconDrawables.getDrawable(i); 593 } catch (ArrayIndexOutOfBoundsException ex) { 594 Log.w(TAG, "Missing hotseat_icons array item #" + i); 595 mHotseatIcons[i] = null; 596 } 597 } 598 hotseatIconDrawables.recycle(); 599 } 600 601 PackageManager pm = getPackageManager(); 602 for (int i=0; i<mHotseatConfig.length; i++) { 603 Intent intent = null; 604 if (mHotseatConfig[i].equals("*BROWSER*")) { 605 // magic value meaning "launch user's default web browser" 606 // replace it with a generic web request so we can see if there is indeed a default 607 String defaultUri = getString(R.string.default_browser_url); 608 intent = new Intent( 609 Intent.ACTION_VIEW, 610 ((defaultUri != null) 611 ? Uri.parse(defaultUri) 612 : getDefaultBrowserUri()) 613 ).addCategory(Intent.CATEGORY_BROWSABLE); 614 // note: if the user launches this without a default set, she 615 // will always be taken to the default URL above; this is 616 // unavoidable as we must specify a valid URL in order for the 617 // chooser to appear, and once the user selects something, that 618 // URL is unavoidably sent to the chosen app. 619 } else { 620 try { 621 intent = Intent.parseUri(mHotseatConfig[i], 0); 622 } catch (java.net.URISyntaxException ex) { 623 Log.w(TAG, "Invalid hotseat intent: " + mHotseatConfig[i]); 624 // bogus; leave intent=null 625 } 626 } 627 628 if (intent == null) { 629 mHotseats[i] = null; 630 mHotseatLabels[i] = getText(R.string.activity_not_found); 631 continue; 632 } 633 634 if (LOGD) { 635 Log.d(TAG, "loadHotseats: hotseat " + i 636 + " initial intent=[" 637 + intent.toUri(Intent.URI_INTENT_SCHEME) 638 + "]"); 639 } 640 641 ResolveInfo bestMatch = pm.resolveActivity(intent, PackageManager.MATCH_DEFAULT_ONLY); 642 List<ResolveInfo> allMatches = pm.queryIntentActivities(intent, PackageManager.MATCH_DEFAULT_ONLY); 643 if (LOGD) { 644 Log.d(TAG, "Best match for intent: " + bestMatch); 645 Log.d(TAG, "All matches: "); 646 for (ResolveInfo ri : allMatches) { 647 Log.d(TAG, " --> " + ri); 648 } 649 } 650 // did this resolve to a single app, or the resolver? 651 if (allMatches.size() == 0 || bestMatch == null) { 652 // can't find any activity to handle this. let's leave the 653 // intent as-is and let Launcher show a toast when it fails 654 // to launch. 655 mHotseats[i] = intent; 656 657 // set accessibility text to "Not installed" 658 mHotseatLabels[i] = getText(R.string.activity_not_found); 659 } else { 660 boolean found = false; 661 for (ResolveInfo ri : allMatches) { 662 if (bestMatch.activityInfo.name.equals(ri.activityInfo.name) 663 && bestMatch.activityInfo.applicationInfo.packageName 664 .equals(ri.activityInfo.applicationInfo.packageName)) { 665 found = true; 666 break; 667 } 668 } 669 670 if (!found) { 671 if (LOGD) Log.d(TAG, "Multiple options, no default yet"); 672 // the bestMatch is probably the ResolveActivity, meaning the 673 // user has not yet selected a default 674 // so: we'll keep the original intent for now 675 mHotseats[i] = intent; 676 677 // set the accessibility text to "Select shortcut" 678 mHotseatLabels[i] = getText(R.string.title_select_shortcut); 679 } else { 680 // we have an app! 681 // now reconstruct the intent to launch it through the front 682 // door 683 ComponentName com = new ComponentName( 684 bestMatch.activityInfo.applicationInfo.packageName, 685 bestMatch.activityInfo.name); 686 mHotseats[i] = new Intent(Intent.ACTION_MAIN).setComponent(com); 687 688 // load the app label for accessibility 689 mHotseatLabels[i] = bestMatch.activityInfo.loadLabel(pm); 690 } 691 } 692 693 if (LOGD) { 694 Log.d(TAG, "loadHotseats: hotseat " + i 695 + " final intent=[" 696 + ((mHotseats[i] == null) 697 ? "null" 698 : mHotseats[i].toUri(Intent.URI_INTENT_SCHEME)) 699 + "] label=[" + mHotseatLabels[i] 700 + "]" 701 ); 702 } 703 } 704 } 705 706 @Override 707 protected void onActivityResult(int requestCode, int resultCode, Intent data) { 708 mWaitingForResult = false; 709 710 // The pattern used here is that a user PICKs a specific application, 711 // which, depending on the target, might need to CREATE the actual target. 712 713 // For example, the user would PICK_SHORTCUT for "Music playlist", and we 714 // launch over to the Music app to actually CREATE_SHORTCUT. 715 716 if (resultCode == RESULT_OK && mAddScreen != -1) { 717 switch (requestCode) { 718 case REQUEST_PICK_APPLICATION: 719 completeAddApplication( 720 this, data, mAddScreen, mAddIntersectCellX, mAddIntersectCellY); 721 break; 722 case REQUEST_PICK_SHORTCUT: 723 processShortcut(data); 724 break; 725 case REQUEST_CREATE_SHORTCUT: 726 completeAddShortcut(data, mAddScreen, mAddIntersectCellX, mAddIntersectCellY); 727 break; 728 case REQUEST_PICK_LIVE_FOLDER: 729 addLiveFolder(data); 730 break; 731 case REQUEST_CREATE_LIVE_FOLDER: 732 completeAddLiveFolder(data, mAddScreen, mAddIntersectCellX, mAddIntersectCellY); 733 break; 734 case REQUEST_PICK_APPWIDGET: 735 addAppWidgetFromPick(data); 736 break; 737 case REQUEST_CREATE_APPWIDGET: 738 int appWidgetId = data.getIntExtra(AppWidgetManager.EXTRA_APPWIDGET_ID, -1); 739 completeAddAppWidget(appWidgetId, mAddScreen); 740 break; 741 case REQUEST_PICK_WALLPAPER: 742 // We just wanted the activity result here so we can clear mWaitingForResult 743 break; 744 } 745 } else if ((requestCode == REQUEST_PICK_APPWIDGET || 746 requestCode == REQUEST_CREATE_APPWIDGET) && resultCode == RESULT_CANCELED && 747 data != null) { 748 // Clean up the appWidgetId if we canceled 749 int appWidgetId = data.getIntExtra(AppWidgetManager.EXTRA_APPWIDGET_ID, -1); 750 if (appWidgetId != -1) { 751 mAppWidgetHost.deleteAppWidgetId(appWidgetId); 752 } 753 } 754 } 755 756 @Override 757 protected void onResume() { 758 super.onResume(); 759 mPaused = false; 760 if (mRestoring || mOnResumeNeedsLoad) { 761 mWorkspaceLoading = true; 762 mModel.startLoader(this, true); 763 mRestoring = false; 764 mOnResumeNeedsLoad = false; 765 } 766 if (mWaitingForResume != null) { 767 mWaitingForResume.setStayPressed(false); 768 } 769 // When we resume Launcher, a different Activity might be responsible for the app 770 // market intent, so refresh the icon 771 updateAppMarketIcon(); 772 } 773 774 @Override 775 protected void onPause() { 776 super.onPause(); 777 // Some launcher layouts don't have a previous and next view 778 if (mPreviousView != null) { 779 dismissPreview(mPreviousView); 780 } 781 if (mNextView != null) { 782 dismissPreview(mNextView); 783 } 784 mPaused = true; 785 mDragController.cancelDrag(); 786 } 787 788 @Override 789 public Object onRetainNonConfigurationInstance() { 790 // Flag the loader to stop early before switching 791 mModel.stopLoader(); 792 mAllAppsGrid.surrender(); 793 return Boolean.TRUE; 794 } 795 796 // We can't hide the IME if it was forced open. So don't bother 797 /* 798 @Override 799 public void onWindowFocusChanged(boolean hasFocus) { 800 super.onWindowFocusChanged(hasFocus); 801 802 if (hasFocus) { 803 final InputMethodManager inputManager = (InputMethodManager) 804 getSystemService(Context.INPUT_METHOD_SERVICE); 805 WindowManager.LayoutParams lp = getWindow().getAttributes(); 806 inputManager.hideSoftInputFromWindow(lp.token, 0, new android.os.ResultReceiver(new 807 android.os.Handler()) { 808 protected void onReceiveResult(int resultCode, Bundle resultData) { 809 Log.d(TAG, "ResultReceiver got resultCode=" + resultCode); 810 } 811 }); 812 Log.d(TAG, "called hideSoftInputFromWindow from onWindowFocusChanged"); 813 } 814 } 815 */ 816 817 private boolean acceptFilter() { 818 final InputMethodManager inputManager = (InputMethodManager) 819 getSystemService(Context.INPUT_METHOD_SERVICE); 820 return !inputManager.isFullscreenMode(); 821 } 822 823 @Override 824 public boolean onKeyDown(int keyCode, KeyEvent event) { 825 boolean handled = super.onKeyDown(keyCode, event); 826 if (!handled && acceptFilter() && keyCode != KeyEvent.KEYCODE_ENTER) { 827 boolean gotKey = TextKeyListener.getInstance().onKeyDown(mWorkspace, mDefaultKeySsb, 828 keyCode, event); 829 if (gotKey && mDefaultKeySsb != null && mDefaultKeySsb.length() > 0) { 830 // something usable has been typed - start a search 831 // the typed text will be retrieved and cleared by 832 // showSearchDialog() 833 // If there are multiple keystrokes before the search dialog takes focus, 834 // onSearchRequested() will be called for every keystroke, 835 // but it is idempotent, so it's fine. 836 return onSearchRequested(); 837 } 838 } 839 840 // Eat the long press event so the keyboard doesn't come up. 841 if (keyCode == KeyEvent.KEYCODE_MENU && event.isLongPress()) { 842 return true; 843 } 844 845 return handled; 846 } 847 848 private String getTypedText() { 849 return mDefaultKeySsb.toString(); 850 } 851 852 private void clearTypedText() { 853 mDefaultKeySsb.clear(); 854 mDefaultKeySsb.clearSpans(); 855 Selection.setSelection(mDefaultKeySsb, 0); 856 } 857 858 /** 859 * Given the integer (ordinal) value of a State enum instance, convert it to a variable of type 860 * State 861 */ 862 private static State intToState(int stateOrdinal) { 863 State state = State.WORKSPACE; 864 final State[] stateValues = State.values(); 865 for (int i = 0; i < stateValues.length; i++) { 866 if (stateValues[i].ordinal() == stateOrdinal) { 867 state = stateValues[i]; 868 break; 869 } 870 } 871 return state; 872 } 873 874 /** 875 * Restores the previous state, if it exists. 876 * 877 * @param savedState The previous state. 878 */ 879 private void restoreState(Bundle savedState) { 880 if (savedState == null) { 881 return; 882 } 883 884 State state = intToState(savedState.getInt(RUNTIME_STATE, State.WORKSPACE.ordinal())); 885 886 if (state == State.ALL_APPS) { 887 showAllApps(false); 888 } else if (state == State.CUSTOMIZE) { 889 showCustomizationDrawer(false); 890 } 891 892 final int currentScreen = savedState.getInt(RUNTIME_STATE_CURRENT_SCREEN, -1); 893 if (currentScreen > -1) { 894 mWorkspace.setCurrentPage(currentScreen); 895 } 896 897 final int addScreen = savedState.getInt(RUNTIME_STATE_PENDING_ADD_SCREEN, -1); 898 899 if (addScreen > -1) { 900 mAddScreen = addScreen; 901 mAddIntersectCellX = savedState.getInt(RUNTIME_STATE_PENDING_ADD_CELL_X); 902 mAddIntersectCellY = savedState.getInt(RUNTIME_STATE_PENDING_ADD_CELL_Y); 903 mRestoring = true; 904 } 905 906 boolean renameFolder = savedState.getBoolean(RUNTIME_STATE_PENDING_FOLDER_RENAME, false); 907 if (renameFolder) { 908 long id = savedState.getLong(RUNTIME_STATE_PENDING_FOLDER_RENAME_ID); 909 mFolderInfo = mModel.getFolderById(this, sFolders, id); 910 mRestoring = true; 911 } 912 913 // Restore the current AllApps drawer tab 914 if (mAllAppsGrid != null && mAllAppsGrid instanceof AllAppsTabbed) { 915 String curTab = savedState.getString("allapps_currentTab"); 916 if (curTab != null) { 917 AllAppsTabbed tabhost = (AllAppsTabbed) mAllAppsGrid; 918 tabhost.setCurrentTabByTag(curTab); 919 } 920 int curPage = savedState.getInt("allapps_currentPage", -1); 921 if (curPage > -1) { 922 mAllAppsPagedView.setRestorePage(curPage); 923 } 924 } 925 926 // Restore the current customization drawer tab 927 if (mHomeCustomizationDrawer != null) { 928 String curTab = savedState.getString("customize_currentTab"); 929 if (curTab != null) { 930 // We set this directly so that there is no delay before the tab is set 931 mCustomizePagedView.setCustomizationFilter(getCustomizeFilterForTabTag(curTab)); 932 mHomeCustomizationDrawer.setCurrentTabByTag(curTab); 933 } 934 935 // Note: currently we do not restore the page for the customization tray because unlike 936 // AllApps, the page content can change drastically 937 } 938 } 939 940 /** 941 * Finds all the views we need and configure them properly. 942 */ 943 private void setupViews() { 944 final DragController dragController = mDragController; 945 946 DragLayer dragLayer = (DragLayer) findViewById(R.id.drag_layer); 947 dragLayer.setDragController(dragController); 948 949 mAllAppsGrid = (AllAppsView)dragLayer.findViewById(R.id.all_apps_view); 950 mAllAppsGrid.setLauncher(this); 951 mAllAppsGrid.setDragController(dragController); 952 ((View) mAllAppsGrid).setWillNotDraw(false); // We don't want a hole punched in our window. 953 // Manage focusability manually since this thing is always visible (in non-xlarge) 954 ((View) mAllAppsGrid).setFocusable(false); 955 956 if (LauncherApplication.isScreenXLarge()) { 957 // They need to be INVISIBLE initially so that they will be measured in the layout. 958 // Otherwise the animations are messed up when we show them for the first time. 959 ((View) mAllAppsGrid).setVisibility(View.INVISIBLE); 960 mHomeCustomizationDrawer.setVisibility(View.INVISIBLE); 961 } 962 963 mWorkspace = (Workspace) dragLayer.findViewById(R.id.workspace); 964 965 final Workspace workspace = mWorkspace; 966 workspace.setHapticFeedbackEnabled(false); 967 968 DeleteZone deleteZone = (DeleteZone) dragLayer.findViewById(R.id.delete_zone); 969 mDeleteZone = deleteZone; 970 971 View handleView = findViewById(R.id.all_apps_button); 972 if (handleView != null && handleView instanceof HandleView) { 973 // we don't use handle view in xlarge mode 974 mHandleView = (HandleView)handleView; 975 mHandleView.setLauncher(this); 976 mHandleView.setOnClickListener(this); 977 mHandleView.setOnLongClickListener(this); 978 } 979 980 if (mCustomizePagedView != null) { 981 mCustomizePagedView.setLauncher(this); 982 mCustomizePagedView.setDragController(dragController); 983 } else { 984 ImageView hotseatLeft = (ImageView) findViewById(R.id.hotseat_left); 985 hotseatLeft.setContentDescription(mHotseatLabels[0]); 986 hotseatLeft.setImageDrawable(mHotseatIcons[0]); 987 ImageView hotseatRight = (ImageView) findViewById(R.id.hotseat_right); 988 hotseatRight.setContentDescription(mHotseatLabels[1]); 989 hotseatRight.setImageDrawable(mHotseatIcons[1]); 990 991 mPreviousView = (ImageView) dragLayer.findViewById(R.id.previous_screen); 992 mNextView = (ImageView) dragLayer.findViewById(R.id.next_screen); 993 994 Drawable previous = mPreviousView.getDrawable(); 995 Drawable next = mNextView.getDrawable(); 996 mWorkspace.setIndicators(previous, next); 997 998 mPreviousView.setHapticFeedbackEnabled(false); 999 mPreviousView.setOnLongClickListener(this); 1000 mNextView.setHapticFeedbackEnabled(false); 1001 mNextView.setOnLongClickListener(this); 1002 } 1003 1004 workspace.setOnLongClickListener(this); 1005 workspace.setDragController(dragController); 1006 workspace.setLauncher(this); 1007 workspace.setWallpaperDimension(); 1008 1009 deleteZone.setLauncher(this); 1010 deleteZone.setDragController(dragController); 1011 1012 final View allAppsButton = findViewById(R.id.all_apps_button); 1013 final View divider = findViewById(R.id.divider); 1014 final View configureButton = findViewById(R.id.configure_button); 1015 1016 if (LauncherApplication.isScreenXLarge()) { 1017 deleteZone.setOverlappingViews(new View[] { allAppsButton, divider, configureButton }); 1018 } else { 1019 deleteZone.setOverlappingView(findViewById(R.id.all_apps_button_cluster)); 1020 } 1021 dragController.addDragListener(deleteZone); 1022 1023 DeleteZone allAppsDeleteZone = (DeleteZone) findViewById(R.id.all_apps_delete_zone); 1024 if (allAppsDeleteZone != null) { 1025 allAppsDeleteZone.setLauncher(this); 1026 allAppsDeleteZone.setDragController(dragController); 1027 allAppsDeleteZone.setDragAndDropEnabled(false); 1028 dragController.addDragListener(allAppsDeleteZone); 1029 dragController.addDropTarget(allAppsDeleteZone); 1030 } 1031 1032 ApplicationInfoDropTarget allAppsInfoTarget = (ApplicationInfoDropTarget) 1033 findViewById(R.id.all_apps_info_target); 1034 if (allAppsInfoTarget != null) { 1035 allAppsInfoTarget.setLauncher(this); 1036 dragController.addDragListener(allAppsInfoTarget); 1037 allAppsInfoTarget.setDragAndDropEnabled(false); 1038 View marketButton = findViewById(R.id.market_button); 1039 if (marketButton != null) { 1040 allAppsInfoTarget.setOverlappingView(marketButton); 1041 } 1042 } 1043 1044 dragController.setDragScoller(workspace); 1045 dragController.setScrollView(dragLayer); 1046 dragController.setMoveTarget(workspace); 1047 1048 // The order here is bottom to top. 1049 dragController.addDropTarget(workspace); 1050 dragController.addDropTarget(deleteZone); 1051 if (allAppsInfoTarget != null) { 1052 dragController.addDropTarget(allAppsInfoTarget); 1053 } 1054 if (allAppsDeleteZone != null) { 1055 dragController.addDropTarget(allAppsDeleteZone); 1056 } 1057 mButtonCluster = findViewById(R.id.all_apps_button_cluster); 1058 1059 mAllAppsButton = findViewById(R.id.all_apps_button); 1060 mDivider = findViewById(R.id.divider); 1061 mConfigureButton = findViewById(R.id.configure_button); 1062 1063 // We had previously set these click handlers in XML, but the first time we launched 1064 // Configure or All Apps we had an extra 50ms of delay while the java reflection methods 1065 // found the right handler. Setting the handlers directly here eliminates that cost. 1066 if (mConfigureButton != null) { 1067 mConfigureButton.setOnClickListener(new OnClickListener() { 1068 public void onClick(View v) { 1069 onClickConfigureButton(v); 1070 } 1071 }); 1072 } 1073 if (mDivider != null) { 1074 mDivider.setOnClickListener(new OnClickListener() { 1075 public void onClick(View v) { 1076 onClickAllAppsButton(v); 1077 } 1078 }); 1079 } 1080 if (mAllAppsButton != null) { 1081 mAllAppsButton.setOnClickListener(new OnClickListener() { 1082 public void onClick(View v) { 1083 onClickAllAppsButton(v); 1084 } 1085 }); 1086 } 1087 } 1088 1089 @SuppressWarnings({"UnusedDeclaration"}) 1090 public void previousScreen(View v) { 1091 if (mState != State.ALL_APPS) { 1092 mWorkspace.scrollLeft(); 1093 } 1094 } 1095 1096 @SuppressWarnings({"UnusedDeclaration"}) 1097 public void nextScreen(View v) { 1098 if (mState != State.ALL_APPS) { 1099 mWorkspace.scrollRight(); 1100 } 1101 } 1102 1103 @SuppressWarnings({"UnusedDeclaration"}) 1104 public void launchHotSeat(View v) { 1105 if (mState == State.ALL_APPS) return; 1106 1107 int index = -1; 1108 if (v.getId() == R.id.hotseat_left) { 1109 index = 0; 1110 } else if (v.getId() == R.id.hotseat_right) { 1111 index = 1; 1112 } 1113 1114 // reload these every tap; you never know when they might change 1115 loadHotseats(); 1116 if (index >= 0 && index < mHotseats.length && mHotseats[index] != null) { 1117 startActivitySafely( 1118 mHotseats[index], 1119 "hotseat" 1120 ); 1121 } 1122 } 1123 1124 /** 1125 * Creates a view representing a shortcut. 1126 * 1127 * @param info The data structure describing the shortcut. 1128 * 1129 * @return A View inflated from R.layout.application. 1130 */ 1131 View createShortcut(ShortcutInfo info) { 1132 return createShortcut(R.layout.application, 1133 (ViewGroup) mWorkspace.getChildAt(mWorkspace.getCurrentPage()), info); 1134 } 1135 1136 /** 1137 * Creates a view representing a shortcut inflated from the specified resource. 1138 * 1139 * @param layoutResId The id of the XML layout used to create the shortcut. 1140 * @param parent The group the shortcut belongs to. 1141 * @param info The data structure describing the shortcut. 1142 * 1143 * @return A View inflated from layoutResId. 1144 */ 1145 View createShortcut(int layoutResId, ViewGroup parent, ShortcutInfo info) { 1146 BubbleTextView favorite = (BubbleTextView) mInflater.inflate(layoutResId, parent, false); 1147 favorite.applyFromShortcutInfo(info, mIconCache); 1148 favorite.setOnClickListener(this); 1149 return favorite; 1150 } 1151 1152 /** 1153 * Add an application shortcut to the workspace. 1154 * 1155 * @param data The intent describing the application. 1156 * @param cellInfo The position on screen where to create the shortcut. 1157 */ 1158 void completeAddApplication(Context context, Intent data, int screen, 1159 int intersectCellX, int intersectCellY) { 1160 final int[] cellXY = mTmpAddItemCellCoordinates; 1161 final CellLayout layout = (CellLayout) mWorkspace.getChildAt(screen); 1162 1163 if (!layout.findCellForSpanThatIntersects(cellXY, 1, 1, intersectCellX, intersectCellY)) { 1164 showOutOfSpaceMessage(); 1165 return; 1166 } 1167 1168 final ShortcutInfo info = mModel.getShortcutInfo(context.getPackageManager(), 1169 data, context); 1170 1171 if (info != null) { 1172 info.setActivity(data.getComponent(), Intent.FLAG_ACTIVITY_NEW_TASK | 1173 Intent.FLAG_ACTIVITY_RESET_TASK_IF_NEEDED); 1174 info.container = ItemInfo.NO_ID; 1175 mWorkspace.addApplicationShortcut(info, screen, cellXY[0], cellXY[1], 1176 isWorkspaceLocked(), mAddIntersectCellX, mAddIntersectCellY); 1177 } else { 1178 Log.e(TAG, "Couldn't find ActivityInfo for selected application: " + data); 1179 } 1180 } 1181 1182 /** 1183 * Add a shortcut to the workspace. 1184 * 1185 * @param data The intent describing the shortcut. 1186 * @param cellInfo The position on screen where to create the shortcut. 1187 */ 1188 private void completeAddShortcut(Intent data, int screen, 1189 int intersectCellX, int intersectCellY) { 1190 final int[] cellXY = mTmpAddItemCellCoordinates; 1191 final CellLayout layout = (CellLayout) mWorkspace.getChildAt(screen); 1192 1193 int[] touchXY = mAddDropPosition; 1194 boolean foundCellSpan = false; 1195 if (touchXY != null) { 1196 // when dragging and dropping, just find the closest free spot 1197 CellLayout screenLayout = (CellLayout) mWorkspace.getChildAt(screen); 1198 int[] result = screenLayout.findNearestVacantArea( 1199 touchXY[0], touchXY[1], 1, 1, cellXY); 1200 foundCellSpan = (result != null); 1201 } else { 1202 foundCellSpan = layout.findCellForSpanThatIntersects( 1203 cellXY, 1, 1, intersectCellX, intersectCellY); 1204 } 1205 1206 if (!foundCellSpan) { 1207 showOutOfSpaceMessage(); 1208 return; 1209 } 1210 1211 final ShortcutInfo info = mModel.addShortcut( 1212 this, data, screen, cellXY[0], cellXY[1], false); 1213 1214 if (!mRestoring) { 1215 final View view = createShortcut(info); 1216 mWorkspace.addInScreen(view, screen, cellXY[0], cellXY[1], 1, 1, isWorkspaceLocked()); 1217 } 1218 } 1219 1220 /** 1221 * Add a widget to the workspace. 1222 * 1223 * @param appWidgetId The app widget id 1224 * @param cellInfo The position on screen where to create the widget. 1225 */ 1226 private void completeAddAppWidget(int appWidgetId, int screen) { 1227 AppWidgetProviderInfo appWidgetInfo = mAppWidgetManager.getAppWidgetInfo(appWidgetId); 1228 1229 // Calculate the grid spans needed to fit this widget 1230 CellLayout layout = (CellLayout) mWorkspace.getChildAt(screen); 1231 int[] spanXY = layout.rectToCell(appWidgetInfo.minWidth, appWidgetInfo.minHeight, null); 1232 1233 // Try finding open space on Launcher screen 1234 // We have saved the position to which the widget was dragged-- this really only matters 1235 // if we are placing widgets on a "spring-loaded" screen 1236 final int[] cellXY = mTmpAddItemCellCoordinates; 1237 1238 int[] touchXY = mAddDropPosition; 1239 boolean foundCellSpan = false; 1240 if (touchXY != null) { 1241 // when dragging and dropping, just find the closest free spot 1242 CellLayout screenLayout = (CellLayout) mWorkspace.getChildAt(screen); 1243 int[] result = screenLayout.findNearestVacantArea( 1244 touchXY[0], touchXY[1], spanXY[0], spanXY[1], cellXY); 1245 foundCellSpan = (result != null); 1246 } else { 1247 // if we long pressed on an empty cell to bring up a menu, 1248 // make sure we intersect the empty cell 1249 // if mAddIntersectCellX/Y are -1 (e.g. we used menu -> add) then 1250 // findCellForSpanThatIntersects will just ignore them 1251 foundCellSpan = layout.findCellForSpanThatIntersects(cellXY, spanXY[0], spanXY[1], 1252 mAddIntersectCellX, mAddIntersectCellY); 1253 } 1254 1255 if (!foundCellSpan) { 1256 if (appWidgetId != -1) mAppWidgetHost.deleteAppWidgetId(appWidgetId); 1257 showOutOfSpaceMessage(); 1258 return; 1259 } 1260 1261 // Build Launcher-specific widget info and save to database 1262 LauncherAppWidgetInfo launcherInfo = new LauncherAppWidgetInfo(appWidgetId); 1263 launcherInfo.spanX = spanXY[0]; 1264 launcherInfo.spanY = spanXY[1]; 1265 1266 LauncherModel.addItemToDatabase(this, launcherInfo, 1267 LauncherSettings.Favorites.CONTAINER_DESKTOP, 1268 screen, cellXY[0], cellXY[1], false); 1269 1270 if (!mRestoring) { 1271 mDesktopItems.add(launcherInfo); 1272 1273 // Perform actual inflation because we're live 1274 launcherInfo.hostView = mAppWidgetHost.createView(this, appWidgetId, appWidgetInfo); 1275 1276 launcherInfo.hostView.setAppWidget(appWidgetId, appWidgetInfo); 1277 launcherInfo.hostView.setTag(launcherInfo); 1278 1279 mWorkspace.addInScreen(launcherInfo.hostView, screen, cellXY[0], cellXY[1], 1280 launcherInfo.spanX, launcherInfo.spanY, isWorkspaceLocked()); 1281 1282 addWidgetToAutoAdvanceIfNeeded(launcherInfo.hostView, appWidgetInfo); 1283 } 1284 } 1285 1286 private final BroadcastReceiver mReceiver = new BroadcastReceiver() { 1287 @Override 1288 public void onReceive(Context context, Intent intent) { 1289 final String action = intent.getAction(); 1290 if (Intent.ACTION_SCREEN_OFF.equals(action)) { 1291 mUserPresent = false; 1292 updateRunning(); 1293 } else if (Intent.ACTION_USER_PRESENT.equals(action)) { 1294 mUserPresent = true; 1295 updateRunning(); 1296 } 1297 } 1298 }; 1299 1300 @Override 1301 public void onAttachedToWindow() { 1302 super.onAttachedToWindow(); 1303 1304 // Listen for broadcasts related to user-presence 1305 final IntentFilter filter = new IntentFilter(); 1306 filter.addAction(Intent.ACTION_SCREEN_OFF); 1307 filter.addAction(Intent.ACTION_USER_PRESENT); 1308 registerReceiver(mReceiver, filter); 1309 1310 mAttached = true; 1311 mVisible = true; 1312 } 1313 1314 @Override 1315 public void onDetachedFromWindow() { 1316 super.onDetachedFromWindow(); 1317 mVisible = false; 1318 1319 if (mAttached) { 1320 unregisterReceiver(mReceiver); 1321 mAttached = false; 1322 } 1323 updateRunning(); 1324 } 1325 1326 public void onWindowVisibilityChanged(int visibility) { 1327 mVisible = visibility == View.VISIBLE; 1328 updateRunning(); 1329 } 1330 1331 private void sendAdvanceMessage(long delay) { 1332 mHandler.removeMessages(ADVANCE_MSG); 1333 Message msg = mHandler.obtainMessage(ADVANCE_MSG); 1334 mHandler.sendMessageDelayed(msg, delay); 1335 mAutoAdvanceSentTime = System.currentTimeMillis(); 1336 } 1337 1338 private void updateRunning() { 1339 boolean autoAdvanceRunning = mVisible && mUserPresent && !mWidgetsToAdvance.isEmpty(); 1340 if (autoAdvanceRunning != mAutoAdvanceRunning) { 1341 mAutoAdvanceRunning = autoAdvanceRunning; 1342 if (autoAdvanceRunning) { 1343 long delay = mAutoAdvanceTimeLeft == -1 ? mAdvanceInterval : mAutoAdvanceTimeLeft; 1344 sendAdvanceMessage(delay); 1345 } else { 1346 if (!mWidgetsToAdvance.isEmpty()) { 1347 mAutoAdvanceTimeLeft = Math.max(0, mAdvanceInterval - 1348 (System.currentTimeMillis() - mAutoAdvanceSentTime)); 1349 } 1350 mHandler.removeMessages(ADVANCE_MSG); 1351 mHandler.removeMessages(0); // Remove messages sent using postDelayed() 1352 } 1353 } 1354 } 1355 1356 private final Handler mHandler = new Handler() { 1357 @Override 1358 public void handleMessage(Message msg) { 1359 if (msg.what == ADVANCE_MSG) { 1360 int i = 0; 1361 for (View key: mWidgetsToAdvance.keySet()) { 1362 final View v = key.findViewById(mWidgetsToAdvance.get(key).autoAdvanceViewId); 1363 final int delay = mAdvanceStagger * i; 1364 if (v instanceof Advanceable) { 1365 postDelayed(new Runnable() { 1366 public void run() { 1367 ((Advanceable) v).advance(); 1368 } 1369 }, delay); 1370 } 1371 i++; 1372 } 1373 sendAdvanceMessage(mAdvanceInterval); 1374 } 1375 } 1376 }; 1377 1378 void addWidgetToAutoAdvanceIfNeeded(View hostView, AppWidgetProviderInfo appWidgetInfo) { 1379 if (appWidgetInfo.autoAdvanceViewId == -1) return; 1380 View v = hostView.findViewById(appWidgetInfo.autoAdvanceViewId); 1381 if (v instanceof Advanceable) { 1382 mWidgetsToAdvance.put(hostView, appWidgetInfo); 1383 ((Advanceable) v).fyiWillBeAdvancedByHostKThx(); 1384 updateRunning(); 1385 } 1386 } 1387 1388 void removeWidgetToAutoAdvance(View hostView) { 1389 if (mWidgetsToAdvance.containsKey(hostView)) { 1390 mWidgetsToAdvance.remove(hostView); 1391 updateRunning(); 1392 } 1393 } 1394 1395 public void removeAppWidget(LauncherAppWidgetInfo launcherInfo) { 1396 mDesktopItems.remove(launcherInfo); 1397 removeWidgetToAutoAdvance(launcherInfo.hostView); 1398 launcherInfo.hostView = null; 1399 } 1400 1401 void showOutOfSpaceMessage() { 1402 Toast.makeText(this, getString(R.string.out_of_space), Toast.LENGTH_SHORT).show(); 1403 } 1404 1405 public LauncherAppWidgetHost getAppWidgetHost() { 1406 return mAppWidgetHost; 1407 } 1408 1409 public LauncherModel getModel() { 1410 return mModel; 1411 } 1412 1413 void closeSystemDialogs() { 1414 getWindow().closeAllPanels(); 1415 1416 try { 1417 dismissDialog(DIALOG_CREATE_SHORTCUT); 1418 // Unlock the workspace if the dialog was showing 1419 } catch (Exception e) { 1420 // An exception is thrown if the dialog is not visible, which is fine 1421 } 1422 1423 try { 1424 dismissDialog(DIALOG_RENAME_FOLDER); 1425 // Unlock the workspace if the dialog was showing 1426 } catch (Exception e) { 1427 // An exception is thrown if the dialog is not visible, which is fine 1428 } 1429 1430 // Whatever we were doing is hereby canceled. 1431 mWaitingForResult = false; 1432 } 1433 1434 @Override 1435 protected void onNewIntent(Intent intent) { 1436 super.onNewIntent(intent); 1437 1438 // Close the menu 1439 if (Intent.ACTION_MAIN.equals(intent.getAction())) { 1440 // also will cancel mWaitingForResult. 1441 closeSystemDialogs(); 1442 1443 boolean alreadyOnHome = ((intent.getFlags() & Intent.FLAG_ACTIVITY_BROUGHT_TO_FRONT) 1444 != Intent.FLAG_ACTIVITY_BROUGHT_TO_FRONT); 1445 1446 // in all these cases, only animate if we're already on home 1447 if (LauncherApplication.isScreenXLarge()) { 1448 mWorkspace.unshrink(alreadyOnHome); 1449 } 1450 if (!mWorkspace.isDefaultPageShowing()) { 1451 // on the phone, we don't animate the change to the workspace if all apps is visible 1452 boolean animate = alreadyOnHome && 1453 (LauncherApplication.isScreenXLarge() || mState != State.ALL_APPS); 1454 mWorkspace.moveToDefaultScreen(animate); 1455 if (!animate) mWorkspace.updateWallpaperOffsetImmediately(); 1456 } 1457 showWorkspace(alreadyOnHome); 1458 1459 final View v = getWindow().peekDecorView(); 1460 if (v != null && v.getWindowToken() != null) { 1461 InputMethodManager imm = (InputMethodManager)getSystemService( 1462 INPUT_METHOD_SERVICE); 1463 imm.hideSoftInputFromWindow(v.getWindowToken(), 0); 1464 } 1465 } 1466 } 1467 1468 @Override 1469 protected void onRestoreInstanceState(Bundle savedInstanceState) { 1470 // Do not call super here 1471 mSavedInstanceState = savedInstanceState; 1472 } 1473 1474 @Override 1475 protected void onSaveInstanceState(Bundle outState) { 1476 outState.putInt(RUNTIME_STATE_CURRENT_SCREEN, mWorkspace.getCurrentPage()); 1477 1478 final ArrayList<Folder> folders = mWorkspace.getOpenFolders(); 1479 if (folders.size() > 0) { 1480 final int count = folders.size(); 1481 long[] ids = new long[count]; 1482 for (int i = 0; i < count; i++) { 1483 final FolderInfo info = folders.get(i).getInfo(); 1484 ids[i] = info.id; 1485 } 1486 outState.putLongArray(RUNTIME_STATE_USER_FOLDERS, ids); 1487 } else { 1488 super.onSaveInstanceState(outState); 1489 } 1490 1491 outState.putInt(RUNTIME_STATE, mState.ordinal()); 1492 1493 if (mAddScreen > -1 && mWaitingForResult) { 1494 outState.putInt(RUNTIME_STATE_PENDING_ADD_SCREEN, mAddScreen); 1495 outState.putInt(RUNTIME_STATE_PENDING_ADD_CELL_X, mAddIntersectCellX); 1496 outState.putInt(RUNTIME_STATE_PENDING_ADD_CELL_Y, mAddIntersectCellY); 1497 } 1498 1499 if (mFolderInfo != null && mWaitingForResult) { 1500 outState.putBoolean(RUNTIME_STATE_PENDING_FOLDER_RENAME, true); 1501 outState.putLong(RUNTIME_STATE_PENDING_FOLDER_RENAME_ID, mFolderInfo.id); 1502 } 1503 1504 // Save the current AllApps drawer tab 1505 if (mAllAppsGrid != null && mAllAppsGrid instanceof AllAppsTabbed) { 1506 AllAppsTabbed tabhost = (AllAppsTabbed) mAllAppsGrid; 1507 String currentTabTag = tabhost.getCurrentTabTag(); 1508 if (currentTabTag != null) { 1509 outState.putString("allapps_currentTab", currentTabTag); 1510 outState.putInt("allapps_currentPage", mAllAppsPagedView.getCurrentPage()); 1511 } 1512 } 1513 1514 // Save the current customization drawer tab 1515 if (mHomeCustomizationDrawer != null) { 1516 String currentTabTag = mHomeCustomizationDrawer.getCurrentTabTag(); 1517 if (currentTabTag != null) { 1518 outState.putString("customize_currentTab", currentTabTag); 1519 } 1520 } 1521 } 1522 1523 @Override 1524 public void onDestroy() { 1525 super.onDestroy(); 1526 1527 try { 1528 mAppWidgetHost.stopListening(); 1529 } catch (NullPointerException ex) { 1530 Log.w(TAG, "problem while stopping AppWidgetHost during Launcher destruction", ex); 1531 } 1532 mAppWidgetHost = null; 1533 1534 mWidgetsToAdvance.clear(); 1535 1536 TextKeyListener.getInstance().release(); 1537 1538 mModel.stopLoader(); 1539 1540 unbindDesktopItems(); 1541 1542 getContentResolver().unregisterContentObserver(mWidgetObserver); 1543 1544 // Some launcher layouts don't have a previous and next view 1545 if (mPreviousView != null) { 1546 dismissPreview(mPreviousView); 1547 } 1548 if (mNextView != null) { 1549 dismissPreview(mNextView); 1550 } 1551 1552 unregisterReceiver(mCloseSystemDialogsReceiver); 1553 1554 ((ViewGroup) mWorkspace.getParent()).removeAllViews(); 1555 mWorkspace.removeAllViews(); 1556 mWorkspace = null; 1557 mDragController = null; 1558 1559 ValueAnimator.clearAllAnimations(); 1560 } 1561 1562 @Override 1563 public void startActivityForResult(Intent intent, int requestCode) { 1564 if (requestCode >= 0) mWaitingForResult = true; 1565 super.startActivityForResult(intent, requestCode); 1566 } 1567 1568 @Override 1569 public void startSearch(String initialQuery, boolean selectInitialQuery, 1570 Bundle appSearchData, boolean globalSearch) { 1571 1572 showWorkspace(true); 1573 1574 if (initialQuery == null) { 1575 // Use any text typed in the launcher as the initial query 1576 initialQuery = getTypedText(); 1577 clearTypedText(); 1578 } 1579 if (appSearchData == null) { 1580 appSearchData = new Bundle(); 1581 appSearchData.putString(Search.SOURCE, "launcher-search"); 1582 } 1583 1584 final SearchManager searchManager = 1585 (SearchManager) getSystemService(Context.SEARCH_SERVICE); 1586 searchManager.startSearch(initialQuery, selectInitialQuery, getComponentName(), 1587 appSearchData, globalSearch); 1588 } 1589 1590 @Override 1591 public boolean onCreateOptionsMenu(Menu menu) { 1592 if (isWorkspaceLocked()) { 1593 return false; 1594 } 1595 1596 super.onCreateOptionsMenu(menu); 1597 1598 menu.add(MENU_GROUP_ADD, MENU_ADD, 0, R.string.menu_add) 1599 .setIcon(android.R.drawable.ic_menu_add) 1600 .setAlphabeticShortcut('A'); 1601 menu.add(0, MENU_MANAGE_APPS, 0, R.string.menu_manage_apps) 1602 .setIcon(android.R.drawable.ic_menu_manage) 1603 .setAlphabeticShortcut('M'); 1604 menu.add(MENU_GROUP_WALLPAPER, MENU_WALLPAPER_SETTINGS, 0, R.string.menu_wallpaper) 1605 .setIcon(android.R.drawable.ic_menu_gallery) 1606 .setAlphabeticShortcut('W'); 1607 menu.add(0, MENU_SEARCH, 0, R.string.menu_search) 1608 .setIcon(android.R.drawable.ic_search_category_default) 1609 .setAlphabeticShortcut(SearchManager.MENU_KEY); 1610 menu.add(0, MENU_NOTIFICATIONS, 0, R.string.menu_notifications) 1611 .setIcon(com.android.internal.R.drawable.ic_menu_notifications) 1612 .setAlphabeticShortcut('N'); 1613 1614 final Intent settings = new Intent(android.provider.Settings.ACTION_SETTINGS); 1615 settings.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK | 1616 Intent.FLAG_ACTIVITY_RESET_TASK_IF_NEEDED); 1617 1618 menu.add(0, MENU_SETTINGS, 0, R.string.menu_settings) 1619 .setIcon(android.R.drawable.ic_menu_preferences).setAlphabeticShortcut('P') 1620 .setIntent(settings); 1621 1622 return true; 1623 } 1624 1625 @Override 1626 public boolean onPrepareOptionsMenu(Menu menu) { 1627 super.onPrepareOptionsMenu(menu); 1628 1629 // If all apps is animating, don't show the menu, because we don't know 1630 // which one to show. 1631 if (mAllAppsGrid.isAnimating()) { 1632 return false; 1633 } 1634 1635 // Only show the add and wallpaper options when we're not in all apps. 1636 boolean visible = !mAllAppsGrid.isVisible(); 1637 menu.setGroupVisible(MENU_GROUP_ADD, visible); 1638 menu.setGroupVisible(MENU_GROUP_WALLPAPER, visible); 1639 1640 // Disable add if the workspace is full. 1641 if (visible) { 1642 CellLayout layout = (CellLayout) mWorkspace.getChildAt(mWorkspace.getCurrentPage()); 1643 menu.setGroupEnabled(MENU_GROUP_ADD, layout.existsEmptyCell()); 1644 } 1645 1646 return true; 1647 } 1648 1649 @Override 1650 public boolean onOptionsItemSelected(MenuItem item) { 1651 switch (item.getItemId()) { 1652 case MENU_ADD: 1653 addItems(); 1654 return true; 1655 case MENU_MANAGE_APPS: 1656 manageApps(); 1657 return true; 1658 case MENU_WALLPAPER_SETTINGS: 1659 startWallpaper(); 1660 return true; 1661 case MENU_SEARCH: 1662 onSearchRequested(); 1663 return true; 1664 case MENU_NOTIFICATIONS: 1665 showNotifications(); 1666 return true; 1667 } 1668 1669 return super.onOptionsItemSelected(item); 1670 } 1671 1672 /** 1673 * Indicates that we want global search for this activity by setting the globalSearch 1674 * argument for {@link #startSearch} to true. 1675 */ 1676 1677 @Override 1678 public boolean onSearchRequested() { 1679 startSearch(null, false, null, true); 1680 return true; 1681 } 1682 1683 public boolean isWorkspaceLocked() { 1684 return mWorkspaceLoading || mWaitingForResult; 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 void addLiveFolderFromDrop(ComponentName componentName, int screen, int[] position) { 1806 resetAddInfo(); 1807 mAddScreen = screen; 1808 mAddDropPosition = position; 1809 1810 Intent createFolderIntent = new Intent(LiveFolders.ACTION_CREATE_LIVE_FOLDER); 1811 createFolderIntent.setComponent(componentName); 1812 1813 addLiveFolder(createFolderIntent); 1814 } 1815 1816 void addLiveFolder(Intent intent) { // YYY add screen intersect etc. parameters here 1817 // Handle case where user selected "Folder" 1818 String folderName = getResources().getString(R.string.group_folder); 1819 String shortcutName = intent.getStringExtra(Intent.EXTRA_SHORTCUT_NAME); 1820 1821 if (folderName != null && folderName.equals(shortcutName)) { 1822 addFolder(mAddScreen, mAddIntersectCellX, mAddIntersectCellY); 1823 } else { 1824 startActivityForResultSafely(intent, REQUEST_CREATE_LIVE_FOLDER); 1825 } 1826 } 1827 1828 void addFolder(int screen, int intersectCellX, int intersectCellY) { 1829 UserFolderInfo folderInfo = new UserFolderInfo(); 1830 folderInfo.title = getText(R.string.folder_name); 1831 1832 final CellLayout layout = (CellLayout) mWorkspace.getChildAt(screen); 1833 final int[] cellXY = mTmpAddItemCellCoordinates; 1834 if (!layout.findCellForSpanThatIntersects(cellXY, 1, 1, intersectCellX, intersectCellY)) { 1835 showOutOfSpaceMessage(); 1836 return; 1837 } 1838 1839 // Update the model 1840 LauncherModel.addItemToDatabase(this, folderInfo, 1841 LauncherSettings.Favorites.CONTAINER_DESKTOP, 1842 screen, cellXY[0], cellXY[1], false); 1843 sFolders.put(folderInfo.id, folderInfo); 1844 1845 // Create the view 1846 FolderIcon newFolder = FolderIcon.fromXml(R.layout.folder_icon, this, 1847 (ViewGroup) mWorkspace.getChildAt(mWorkspace.getCurrentPage()), 1848 folderInfo, mIconCache); 1849 mWorkspace.addInScreen(newFolder, screen, cellXY[0], cellXY[1], 1, 1, isWorkspaceLocked()); 1850 } 1851 1852 void removeFolder(FolderInfo folder) { 1853 sFolders.remove(folder.id); 1854 } 1855 1856 private void completeAddLiveFolder( 1857 Intent data, int screen, int intersectCellX, int intersectCellY) { 1858 final CellLayout layout = (CellLayout) mWorkspace.getChildAt(screen); 1859 final int[] cellXY = mTmpAddItemCellCoordinates; 1860 if (!layout.findCellForSpanThatIntersects(cellXY, 1, 1, intersectCellX, intersectCellY)) { 1861 showOutOfSpaceMessage(); 1862 return; 1863 } 1864 1865 final LiveFolderInfo info = addLiveFolder(this, data, screen, cellXY[0], cellXY[1], false); 1866 1867 if (!mRestoring) { 1868 final View view = LiveFolderIcon.fromXml(R.layout.live_folder_icon, this, 1869 (ViewGroup) mWorkspace.getChildAt(mWorkspace.getCurrentPage()), info); 1870 mWorkspace.addInScreen(view, screen, cellXY[0], cellXY[1], 1, 1, isWorkspaceLocked()); 1871 } 1872 } 1873 1874 static LiveFolderInfo addLiveFolder(Context context, Intent data, 1875 int screen, int cellX, int cellY, boolean notify) { 1876 1877 Intent baseIntent = data.getParcelableExtra(LiveFolders.EXTRA_LIVE_FOLDER_BASE_INTENT); 1878 String name = data.getStringExtra(LiveFolders.EXTRA_LIVE_FOLDER_NAME); 1879 1880 Drawable icon = null; 1881 Intent.ShortcutIconResource iconResource = null; 1882 1883 Parcelable extra = data.getParcelableExtra(LiveFolders.EXTRA_LIVE_FOLDER_ICON); 1884 if (extra != null && extra instanceof Intent.ShortcutIconResource) { 1885 try { 1886 iconResource = (Intent.ShortcutIconResource) extra; 1887 final PackageManager packageManager = context.getPackageManager(); 1888 Resources resources = packageManager.getResourcesForApplication( 1889 iconResource.packageName); 1890 final int id = resources.getIdentifier(iconResource.resourceName, null, null); 1891 icon = resources.getDrawable(id); 1892 } catch (Exception e) { 1893 Log.w(TAG, "Could not load live folder icon: " + extra); 1894 } 1895 } 1896 1897 if (icon == null) { 1898 icon = context.getResources().getDrawable(R.drawable.ic_launcher_folder); 1899 } 1900 1901 final LiveFolderInfo info = new LiveFolderInfo(); 1902 info.icon = Utilities.createIconBitmap(icon, context); 1903 info.title = name; 1904 info.iconResource = iconResource; 1905 info.uri = data.getData(); 1906 info.baseIntent = baseIntent; 1907 info.displayMode = data.getIntExtra(LiveFolders.EXTRA_LIVE_FOLDER_DISPLAY_MODE, 1908 LiveFolders.DISPLAY_MODE_GRID); 1909 1910 LauncherModel.addItemToDatabase(context, info, LauncherSettings.Favorites.CONTAINER_DESKTOP, 1911 screen, cellX, cellY, notify); 1912 sFolders.put(info.id, info); 1913 1914 return info; 1915 } 1916 1917 private void showNotifications() { 1918 final StatusBarManager statusBar = (StatusBarManager) getSystemService(STATUS_BAR_SERVICE); 1919 if (statusBar != null) { 1920 statusBar.expand(); 1921 } 1922 } 1923 1924 private void startWallpaper() { 1925 showWorkspace(true); 1926 final Intent pickWallpaper = new Intent(Intent.ACTION_SET_WALLPAPER); 1927 Intent chooser = Intent.createChooser(pickWallpaper, 1928 getText(R.string.chooser_wallpaper)); 1929 // NOTE: Adds a configure option to the chooser if the wallpaper supports it 1930 // Removed in Eclair MR1 1931// WallpaperManager wm = (WallpaperManager) 1932// getSystemService(Context.WALLPAPER_SERVICE); 1933// WallpaperInfo wi = wm.getWallpaperInfo(); 1934// if (wi != null && wi.getSettingsActivity() != null) { 1935// LabeledIntent li = new LabeledIntent(getPackageName(), 1936// R.string.configure_wallpaper, 0); 1937// li.setClassName(wi.getPackageName(), wi.getSettingsActivity()); 1938// chooser.putExtra(Intent.EXTRA_INITIAL_INTENTS, new Intent[] { li }); 1939// } 1940 startActivityForResult(chooser, REQUEST_PICK_WALLPAPER); 1941 } 1942 1943 /** 1944 * Registers various content observers. The current implementation registers 1945 * only a favorites observer to keep track of the favorites applications. 1946 */ 1947 private void registerContentObservers() { 1948 ContentResolver resolver = getContentResolver(); 1949 resolver.registerContentObserver(LauncherProvider.CONTENT_APPWIDGET_RESET_URI, 1950 true, mWidgetObserver); 1951 } 1952 1953 @Override 1954 public boolean dispatchKeyEvent(KeyEvent event) { 1955 if (event.getAction() == KeyEvent.ACTION_DOWN) { 1956 switch (event.getKeyCode()) { 1957 case KeyEvent.KEYCODE_HOME: 1958 return true; 1959 case KeyEvent.KEYCODE_VOLUME_DOWN: 1960 if (SystemProperties.getInt("debug.launcher2.dumpstate", 0) != 0) { 1961 dumpState(); 1962 return true; 1963 } 1964 break; 1965 } 1966 } else if (event.getAction() == KeyEvent.ACTION_UP) { 1967 switch (event.getKeyCode()) { 1968 case KeyEvent.KEYCODE_HOME: 1969 return true; 1970 } 1971 } 1972 1973 return super.dispatchKeyEvent(event); 1974 } 1975 1976 @Override 1977 public void onBackPressed() { 1978 if (mState == State.ALL_APPS || mState == State.CUSTOMIZE) { 1979 showWorkspace(true); 1980 } else { 1981 closeFolder(); 1982 } 1983 // Some launcher layouts don't have a previous and next view 1984 if (mPreviousView != null) { 1985 dismissPreview(mPreviousView); 1986 dismissPreview(mNextView); 1987 } 1988 } 1989 1990 private void closeFolder() { 1991 Folder folder = mWorkspace.getOpenFolder(); 1992 if (folder != null) { 1993 closeFolder(folder); 1994 } 1995 } 1996 1997 void closeFolder(Folder folder) { 1998 folder.getInfo().opened = false; 1999 ViewGroup parent = (ViewGroup) folder.getParent().getParent(); 2000 if (parent != null) { 2001 CellLayout cl = (CellLayout) parent; 2002 cl.removeViewWithoutMarkingCells(folder); 2003 if (folder instanceof DropTarget) { 2004 // Live folders aren't DropTargets. 2005 mDragController.removeDropTarget((DropTarget)folder); 2006 } 2007 } 2008 folder.onClose(); 2009 } 2010 2011 /** 2012 * Re-listen when widgets are reset. 2013 */ 2014 private void onAppWidgetReset() { 2015 if (mAppWidgetHost != null) { 2016 mAppWidgetHost.startListening(); 2017 } 2018 } 2019 2020 /** 2021 * Go through the and disconnect any of the callbacks in the drawables and the views or we 2022 * leak the previous Home screen on orientation change. 2023 */ 2024 private void unbindDesktopItems() { 2025 for (ItemInfo item: mDesktopItems) { 2026 item.unbind(); 2027 } 2028 mDesktopItems.clear(); 2029 } 2030 2031 /** 2032 * Launches the intent referred by the clicked shortcut. 2033 * 2034 * @param v The view representing the clicked shortcut. 2035 */ 2036 public void onClick(View v) { 2037 Object tag = v.getTag(); 2038 if (tag instanceof ShortcutInfo) { 2039 // Open shortcut 2040 final Intent intent = ((ShortcutInfo) tag).intent; 2041 int[] pos = new int[2]; 2042 v.getLocationOnScreen(pos); 2043 intent.setSourceBounds(new Rect(pos[0], pos[1], 2044 pos[0] + v.getWidth(), pos[1] + v.getHeight())); 2045 boolean success = startActivitySafely(intent, tag); 2046 2047 if (success && v instanceof BubbleTextView) { 2048 mWaitingForResume = (BubbleTextView) v; 2049 mWaitingForResume.setStayPressed(true); 2050 } 2051 } else if (tag instanceof FolderInfo) { 2052 handleFolderClick((FolderInfo) tag); 2053 } else if (v == mHandleView) { 2054 if (mState == State.ALL_APPS) { 2055 showWorkspace(true); 2056 } else { 2057 showAllApps(true); 2058 } 2059 } 2060 } 2061 2062 public boolean onTouch(View v, MotionEvent event) { 2063 // this is an intercepted event being forwarded from mWorkspace; 2064 // clicking anywhere on the workspace causes the customization drawer to slide down 2065 showWorkspace(true); 2066 return false; 2067 } 2068 2069 /** 2070 * Event handler for the search button 2071 * 2072 * @param v The view that was clicked. 2073 */ 2074 public void onClickSearchButton(View v) { 2075 startSearch(null, false, null, true); 2076 // Use a custom animation for launching search 2077 overridePendingTransition(R.anim.fade_in_fast, R.anim.fade_out_fast); 2078 } 2079 2080 /** 2081 * Event handler for the voice button 2082 * 2083 * @param v The view that was clicked. 2084 */ 2085 public void onClickVoiceButton(View v) { 2086 startVoiceSearch(); 2087 } 2088 2089 private void startVoiceSearch() { 2090 Intent intent = new Intent(RecognizerIntent.ACTION_WEB_SEARCH); 2091 intent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK); 2092 startActivity(intent); 2093 } 2094 2095 /** 2096 * Event handler for the "gear" button that appears on the home screen, which 2097 * enters home screen customization mode. 2098 * 2099 * @param v The view that was clicked. 2100 */ 2101 public void onClickConfigureButton(View v) { 2102 addItems(); 2103 } 2104 2105 /** 2106 * Event handler for the "grid" button that appears on the home screen, which 2107 * enters all apps mode. 2108 * 2109 * @param v The view that was clicked. 2110 */ 2111 public void onClickAllAppsButton(View v) { 2112 showAllApps(true); 2113 } 2114 2115 public void onClickAppMarketButton(View v) { 2116 if (mAppMarketIntent != null) { 2117 startActivitySafely(mAppMarketIntent, "app market"); 2118 } 2119 } 2120 2121 void startApplicationDetailsActivity(ComponentName componentName) { 2122 String packageName = componentName.getPackageName(); 2123 Intent intent = new Intent(Settings.ACTION_APPLICATION_DETAILS_SETTINGS, 2124 Uri.fromParts("package", packageName, null)); 2125 startActivity(intent); 2126 } 2127 2128 void startApplicationUninstallActivity(ApplicationInfo appInfo) { 2129 if ((appInfo.flags & ApplicationInfo.DOWNLOADED_FLAG) == 0) { 2130 // System applications cannot be installed. For now, show a toast explaining that. 2131 // We may give them the option of disabling apps this way. 2132 int messageId = R.string.uninstall_system_app_text; 2133 Toast.makeText(this, messageId, Toast.LENGTH_SHORT).show(); 2134 } else { 2135 String packageName = appInfo.componentName.getPackageName(); 2136 String className = appInfo.componentName.getClassName(); 2137 Intent intent = new Intent( 2138 Intent.ACTION_DELETE, Uri.fromParts("package", packageName, className)); 2139 startActivity(intent); 2140 } 2141 } 2142 2143 boolean startActivitySafely(Intent intent, Object tag) { 2144 intent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK); 2145 try { 2146 startActivity(intent); 2147 return true; 2148 } catch (ActivityNotFoundException e) { 2149 Toast.makeText(this, R.string.activity_not_found, Toast.LENGTH_SHORT).show(); 2150 Log.e(TAG, "Unable to launch. tag=" + tag + " intent=" + intent, e); 2151 } catch (SecurityException e) { 2152 Toast.makeText(this, R.string.activity_not_found, Toast.LENGTH_SHORT).show(); 2153 Log.e(TAG, "Launcher does not have the permission to launch " + intent + 2154 ". Make sure to create a MAIN intent-filter for the corresponding activity " + 2155 "or use the exported attribute for this activity. " 2156 + "tag="+ tag + " intent=" + intent, e); 2157 } 2158 return false; 2159 } 2160 2161 void startActivityForResultSafely(Intent intent, int requestCode) { 2162 try { 2163 startActivityForResult(intent, requestCode); 2164 } catch (ActivityNotFoundException e) { 2165 Toast.makeText(this, R.string.activity_not_found, Toast.LENGTH_SHORT).show(); 2166 } catch (SecurityException e) { 2167 Toast.makeText(this, R.string.activity_not_found, Toast.LENGTH_SHORT).show(); 2168 Log.e(TAG, "Launcher does not have the permission to launch " + intent + 2169 ". Make sure to create a MAIN intent-filter for the corresponding activity " + 2170 "or use the exported attribute for this activity.", e); 2171 } 2172 } 2173 2174 private void handleFolderClick(FolderInfo folderInfo) { 2175 if (!folderInfo.opened) { 2176 // Close any open folder 2177 closeFolder(); 2178 // Open the requested folder 2179 openFolder(folderInfo); 2180 } else { 2181 // Find the open folder... 2182 Folder openFolder = mWorkspace.getFolderForTag(folderInfo); 2183 int folderScreen; 2184 if (openFolder != null) { 2185 folderScreen = mWorkspace.getPageForView(openFolder); 2186 // .. and close it 2187 closeFolder(openFolder); 2188 if (folderScreen != mWorkspace.getCurrentPage()) { 2189 // Close any folder open on the current screen 2190 closeFolder(); 2191 // Pull the folder onto this screen 2192 openFolder(folderInfo); 2193 } 2194 } 2195 } 2196 } 2197 2198 /** 2199 * Opens the user folder described by the specified tag. The opening of the folder 2200 * is animated relative to the specified View. If the View is null, no animation 2201 * is played. 2202 * 2203 * @param folderInfo The FolderInfo describing the folder to open. 2204 */ 2205 public void openFolder(FolderInfo folderInfo) { 2206 Folder openFolder; 2207 2208 if (folderInfo instanceof UserFolderInfo) { 2209 openFolder = UserFolder.fromXml(this); 2210 } else if (folderInfo instanceof LiveFolderInfo) { 2211 openFolder = com.android.launcher2.LiveFolder.fromXml(this, folderInfo); 2212 } else { 2213 return; 2214 } 2215 2216 openFolder.setDragController(mDragController); 2217 openFolder.setLauncher(this); 2218 2219 openFolder.bind(folderInfo); 2220 folderInfo.opened = true; 2221 2222 mWorkspace.addInFullScreen(openFolder, folderInfo.screen); 2223 2224 openFolder.onOpen(); 2225 } 2226 2227 public boolean onLongClick(View v) { 2228 switch (v.getId()) { 2229 case R.id.previous_screen: 2230 if (mState != State.ALL_APPS) { 2231 mWorkspace.performHapticFeedback(HapticFeedbackConstants.LONG_PRESS, 2232 HapticFeedbackConstants.FLAG_IGNORE_VIEW_SETTING); 2233 showPreviews(v); 2234 } 2235 return true; 2236 case R.id.next_screen: 2237 if (mState != State.ALL_APPS) { 2238 mWorkspace.performHapticFeedback(HapticFeedbackConstants.LONG_PRESS, 2239 HapticFeedbackConstants.FLAG_IGNORE_VIEW_SETTING); 2240 showPreviews(v); 2241 } 2242 return true; 2243 case R.id.all_apps_button: 2244 if (mState != State.ALL_APPS) { 2245 mWorkspace.performHapticFeedback(HapticFeedbackConstants.LONG_PRESS, 2246 HapticFeedbackConstants.FLAG_IGNORE_VIEW_SETTING); 2247 showPreviews(v); 2248 } 2249 return true; 2250 } 2251 2252 if (isWorkspaceLocked()) { 2253 return false; 2254 } 2255 2256 if (!(v instanceof CellLayout)) { 2257 v = (View) v.getParent().getParent(); 2258 } 2259 2260 2261 resetAddInfo(); 2262 CellLayout.CellInfo longClickCellInfo = (CellLayout.CellInfo) v.getTag(); 2263 // This happens when long clicking an item with the dpad/trackball 2264 if (longClickCellInfo == null || !longClickCellInfo.valid) { 2265 return true; 2266 } 2267 2268 final View itemUnderLongClick = longClickCellInfo.cell; 2269 2270 if (mWorkspace.allowLongPress() && !mDragController.isDragging()) { 2271 if (itemUnderLongClick == null) { 2272 // User long pressed on empty space 2273 mWorkspace.setAllowLongPress(false); 2274 mWorkspace.performHapticFeedback(HapticFeedbackConstants.LONG_PRESS, 2275 HapticFeedbackConstants.FLAG_IGNORE_VIEW_SETTING); 2276 if (LauncherApplication.isScreenXLarge()) { 2277 addItems(); 2278 } else { 2279 showAddDialog(longClickCellInfo.cellX, longClickCellInfo.cellY); 2280 } 2281 } else { 2282 if (!(itemUnderLongClick instanceof Folder)) { 2283 // User long pressed on an item 2284 mWorkspace.performHapticFeedback(HapticFeedbackConstants.LONG_PRESS, 2285 HapticFeedbackConstants.FLAG_IGNORE_VIEW_SETTING); 2286 mAddIntersectCellX = longClickCellInfo.cellX; 2287 mAddIntersectCellY = longClickCellInfo.cellY; 2288 mWorkspace.startDrag(longClickCellInfo); 2289 } 2290 } 2291 } 2292 return true; 2293 } 2294 2295 @SuppressWarnings({"unchecked"}) 2296 private void dismissPreview(final View v) { 2297 final PopupWindow window = (PopupWindow) v.getTag(); 2298 if (window != null) { 2299 window.setOnDismissListener(new PopupWindow.OnDismissListener() { 2300 public void onDismiss() { 2301 ViewGroup group = (ViewGroup) v.getTag(R.id.workspace); 2302 int count = group.getChildCount(); 2303 for (int i = 0; i < count; i++) { 2304 ((ImageView) group.getChildAt(i)).setImageDrawable(null); 2305 } 2306 ArrayList<Bitmap> bitmaps = (ArrayList<Bitmap>) v.getTag(R.id.icon); 2307 for (Bitmap bitmap : bitmaps) bitmap.recycle(); 2308 2309 v.setTag(R.id.workspace, null); 2310 v.setTag(R.id.icon, null); 2311 window.setOnDismissListener(null); 2312 } 2313 }); 2314 window.dismiss(); 2315 } 2316 v.setTag(null); 2317 } 2318 2319 private void showPreviews(View anchor) { 2320 showPreviews(anchor, 0, mWorkspace.getChildCount()); 2321 } 2322 2323 private void showPreviews(final View anchor, int start, int end) { 2324 final Resources resources = getResources(); 2325 final Workspace workspace = mWorkspace; 2326 2327 CellLayout cell = ((CellLayout) workspace.getChildAt(start)); 2328 2329 float max = workspace.getChildCount(); 2330 2331 final Rect r = new Rect(); 2332 resources.getDrawable(R.drawable.preview_background).getPadding(r); 2333 int extraW = (int) ((r.left + r.right) * max); 2334 int extraH = r.top + r.bottom; 2335 2336 int aW = cell.getWidth() - extraW; 2337 float w = aW / max; 2338 2339 int width = cell.getWidth(); 2340 int height = cell.getHeight(); 2341 int x = cell.getLeftPadding(); 2342 int y = cell.getTopPadding(); 2343 width -= (x + cell.getRightPadding()); 2344 height -= (y + cell.getBottomPadding()); 2345 2346 float scale = w / width; 2347 2348 int count = end - start; 2349 2350 final float sWidth = width * scale; 2351 float sHeight = height * scale; 2352 2353 LinearLayout preview = new LinearLayout(this); 2354 2355 PreviewTouchHandler handler = new PreviewTouchHandler(anchor); 2356 ArrayList<Bitmap> bitmaps = new ArrayList<Bitmap>(count); 2357 2358 for (int i = start; i < end; i++) { 2359 ImageView image = new ImageView(this); 2360 cell = (CellLayout) workspace.getChildAt(i); 2361 2362 final Bitmap bitmap = Bitmap.createBitmap((int) sWidth, (int) sHeight, 2363 Bitmap.Config.ARGB_8888); 2364 2365 final Canvas c = new Canvas(bitmap); 2366 c.scale(scale, scale); 2367 c.translate(-cell.getLeftPadding(), -cell.getTopPadding()); 2368 cell.drawChildren(c); 2369 2370 image.setBackgroundDrawable(resources.getDrawable(R.drawable.preview_background)); 2371 image.setImageBitmap(bitmap); 2372 image.setTag(i); 2373 image.setOnClickListener(handler); 2374 image.setOnFocusChangeListener(handler); 2375 image.setFocusable(true); 2376 if (i == mWorkspace.getCurrentPage()) image.requestFocus(); 2377 2378 preview.addView(image, 2379 LinearLayout.LayoutParams.WRAP_CONTENT, LinearLayout.LayoutParams.WRAP_CONTENT); 2380 2381 bitmaps.add(bitmap); 2382 } 2383 2384 final PopupWindow p = new PopupWindow(this); 2385 p.setContentView(preview); 2386 p.setWidth((int) (sWidth * count + extraW)); 2387 p.setHeight((int) (sHeight + extraH)); 2388 p.setAnimationStyle(R.style.AnimationPreview); 2389 p.setOutsideTouchable(true); 2390 p.setFocusable(true); 2391 p.setBackgroundDrawable(new ColorDrawable(0)); 2392 p.showAsDropDown(anchor, 0, 0); 2393 2394 p.setOnDismissListener(new PopupWindow.OnDismissListener() { 2395 public void onDismiss() { 2396 dismissPreview(anchor); 2397 } 2398 }); 2399 2400 anchor.setTag(p); 2401 anchor.setTag(R.id.workspace, preview); 2402 anchor.setTag(R.id.icon, bitmaps); 2403 } 2404 2405 class PreviewTouchHandler implements View.OnClickListener, Runnable, View.OnFocusChangeListener { 2406 private final View mAnchor; 2407 2408 public PreviewTouchHandler(View anchor) { 2409 mAnchor = anchor; 2410 } 2411 2412 public void onClick(View v) { 2413 mWorkspace.snapToPage((Integer) v.getTag()); 2414 v.post(this); 2415 } 2416 2417 public void run() { 2418 dismissPreview(mAnchor); 2419 } 2420 2421 public void onFocusChange(View v, boolean hasFocus) { 2422 if (hasFocus) { 2423 mWorkspace.snapToPage((Integer) v.getTag()); 2424 } 2425 } 2426 } 2427 2428 Workspace getWorkspace() { 2429 return mWorkspace; 2430 } 2431 2432 @Override 2433 protected Dialog onCreateDialog(int id) { 2434 switch (id) { 2435 case DIALOG_CREATE_SHORTCUT: 2436 return new CreateShortcut().createDialog(); 2437 case DIALOG_RENAME_FOLDER: 2438 return new RenameFolder().createDialog(); 2439 } 2440 2441 return super.onCreateDialog(id); 2442 } 2443 2444 @Override 2445 protected void onPrepareDialog(int id, Dialog dialog) { 2446 switch (id) { 2447 case DIALOG_CREATE_SHORTCUT: 2448 break; 2449 case DIALOG_RENAME_FOLDER: 2450 if (mFolderInfo != null) { 2451 EditText input = (EditText) dialog.findViewById(R.id.folder_name); 2452 final CharSequence text = mFolderInfo.title; 2453 input.setText(text); 2454 input.setSelection(0, text.length()); 2455 } 2456 break; 2457 } 2458 } 2459 2460 void showRenameDialog(FolderInfo info) { 2461 mFolderInfo = info; 2462 mWaitingForResult = true; 2463 showDialog(DIALOG_RENAME_FOLDER); 2464 } 2465 2466 private void showAddDialog(int intersectX, int intersectY) { 2467 resetAddInfo(); 2468 mAddIntersectCellX = intersectX; 2469 mAddIntersectCellY = intersectY; 2470 mAddScreen = mWorkspace.getCurrentPage(); 2471 mWaitingForResult = true; 2472 showDialog(DIALOG_CREATE_SHORTCUT); 2473 } 2474 2475 private void pickShortcut() { 2476 // Insert extra item to handle picking application 2477 Bundle bundle = new Bundle(); 2478 2479 ArrayList<String> shortcutNames = new ArrayList<String>(); 2480 shortcutNames.add(getString(R.string.group_applications)); 2481 bundle.putStringArrayList(Intent.EXTRA_SHORTCUT_NAME, shortcutNames); 2482 2483 ArrayList<ShortcutIconResource> shortcutIcons = new ArrayList<ShortcutIconResource>(); 2484 shortcutIcons.add(ShortcutIconResource.fromContext(Launcher.this, 2485 R.drawable.ic_launcher_application)); 2486 bundle.putParcelableArrayList(Intent.EXTRA_SHORTCUT_ICON_RESOURCE, shortcutIcons); 2487 2488 Intent pickIntent = new Intent(Intent.ACTION_PICK_ACTIVITY); 2489 pickIntent.putExtra(Intent.EXTRA_INTENT, new Intent(Intent.ACTION_CREATE_SHORTCUT)); 2490 pickIntent.putExtra(Intent.EXTRA_TITLE, getText(R.string.title_select_shortcut)); 2491 pickIntent.putExtras(bundle); 2492 2493 startActivityForResult(pickIntent, REQUEST_PICK_SHORTCUT); 2494 } 2495 2496 private class RenameFolder { 2497 private EditText mInput; 2498 2499 Dialog createDialog() { 2500 final View layout = View.inflate(Launcher.this, R.layout.rename_folder, null); 2501 mInput = (EditText) layout.findViewById(R.id.folder_name); 2502 2503 AlertDialog.Builder builder = new AlertDialog.Builder(Launcher.this); 2504 builder.setIcon(0); 2505 builder.setTitle(getString(R.string.rename_folder_title)); 2506 builder.setCancelable(true); 2507 builder.setOnCancelListener(new Dialog.OnCancelListener() { 2508 public void onCancel(DialogInterface dialog) { 2509 cleanup(); 2510 } 2511 }); 2512 builder.setNegativeButton(getString(R.string.cancel_action), 2513 new Dialog.OnClickListener() { 2514 public void onClick(DialogInterface dialog, int which) { 2515 cleanup(); 2516 } 2517 } 2518 ); 2519 builder.setPositiveButton(getString(R.string.rename_action), 2520 new Dialog.OnClickListener() { 2521 public void onClick(DialogInterface dialog, int which) { 2522 changeFolderName(); 2523 } 2524 } 2525 ); 2526 builder.setView(layout); 2527 2528 final AlertDialog dialog = builder.create(); 2529 dialog.setOnShowListener(new DialogInterface.OnShowListener() { 2530 public void onShow(DialogInterface dialog) { 2531 mWaitingForResult = true; 2532 mInput.requestFocus(); 2533 InputMethodManager inputManager = (InputMethodManager) 2534 getSystemService(Context.INPUT_METHOD_SERVICE); 2535 inputManager.showSoftInput(mInput, 0); 2536 } 2537 }); 2538 2539 return dialog; 2540 } 2541 2542 private void changeFolderName() { 2543 final String name = mInput.getText().toString(); 2544 if (!TextUtils.isEmpty(name)) { 2545 // Make sure we have the right folder info 2546 mFolderInfo = sFolders.get(mFolderInfo.id); 2547 mFolderInfo.title = name; 2548 LauncherModel.updateItemInDatabase(Launcher.this, mFolderInfo); 2549 2550 if (mWorkspaceLoading) { 2551 lockAllApps(); 2552 mModel.startLoader(Launcher.this, false); 2553 } else { 2554 final FolderIcon folderIcon = (FolderIcon) 2555 mWorkspace.getViewForTag(mFolderInfo); 2556 if (folderIcon != null) { 2557 folderIcon.setText(name); 2558 getWorkspace().requestLayout(); 2559 } else { 2560 lockAllApps(); 2561 mWorkspaceLoading = true; 2562 mModel.startLoader(Launcher.this, false); 2563 } 2564 } 2565 } 2566 cleanup(); 2567 } 2568 2569 private void cleanup() { 2570 dismissDialog(DIALOG_RENAME_FOLDER); 2571 mWaitingForResult = false; 2572 mFolderInfo = null; 2573 } 2574 } 2575 2576 // Now a part of LauncherModel.Callbacks. Used to reorder loading steps. 2577 public boolean isAllAppsVisible() { 2578 return mState == State.ALL_APPS; 2579 } 2580 2581 // AllAppsView.Watcher 2582 public void zoomed(float zoom) { 2583 // In XLarge view, we zoom down the workspace below all apps so it's still visible 2584 if (zoom == 1.0f && !LauncherApplication.isScreenXLarge()) { 2585 mWorkspace.setVisibility(View.GONE); 2586 } 2587 } 2588 2589 private void showAndEnableToolbarButton(View button) { 2590 button.setVisibility(View.VISIBLE); 2591 button.setFocusable(true); 2592 button.setClickable(true); 2593 } 2594 2595 private void hideToolbarButton(View button) { 2596 button.setAlpha(0.0f); 2597 // We can't set it to GONE, otherwise the RelativeLayout gets screwed up 2598 button.setVisibility(View.INVISIBLE); 2599 } 2600 2601 private void disableToolbarButton(View button) { 2602 button.setFocusable(false); 2603 button.setClickable(false); 2604 } 2605 2606 /** 2607 * Helper function for showing or hiding a toolbar button, possibly animated. 2608 * 2609 * @param show If true, create an animation to the show the item. Otherwise, hide it. 2610 * @param view The toolbar button to be animated 2611 * @param seq A AnimatorSet that will be used to animate the transition. If null, the 2612 * transition will not be animated. 2613 */ 2614 private void hideOrShowToolbarButton(boolean show, final View view, AnimatorSet seq) { 2615 final boolean showing = show; 2616 final boolean hiding = !show; 2617 2618 final int duration = show ? 2619 getResources().getInteger(R.integer.config_toolbarButtonFadeInTime) : 2620 getResources().getInteger(R.integer.config_toolbarButtonFadeOutTime); 2621 2622 if (seq != null) { 2623 ValueAnimator anim = ValueAnimator.ofFloat(view.getAlpha(), show ? 1.0f : 0.0f); 2624 anim.setDuration(duration); 2625 anim.addUpdateListener(new AnimatorUpdateListener() { 2626 public void onAnimationUpdate(ValueAnimator animation) { 2627 view.setAlpha((Float) animation.getAnimatedValue()); 2628 } 2629 }); 2630 anim.addListener(new AnimatorListenerAdapter() { 2631 @Override 2632 public void onAnimationStart(Animator animation) { 2633 if (showing) showAndEnableToolbarButton(view); 2634 if (hiding) disableToolbarButton(view); 2635 } 2636 @Override 2637 public void onAnimationEnd(Animator animation) { 2638 if (hiding) hideToolbarButton(view); 2639 } 2640 }); 2641 seq.play(anim); 2642 } else { 2643 if (showing) { 2644 showAndEnableToolbarButton(view); 2645 view.setAlpha(1f); 2646 } else { 2647 disableToolbarButton(view); 2648 hideToolbarButton(view); 2649 } 2650 } 2651 } 2652 2653 /** 2654 * Show/hide the appropriate toolbar buttons for newState. 2655 * If showSeq or hideSeq is null, the transition will be done immediately (not animated). 2656 * 2657 * @param newState The state that is being switched to 2658 * @param showSeq AnimatorSet in which to put "show" animations, or null. 2659 * @param hideSeq AnimatorSet in which to put "hide" animations, or null. 2660 */ 2661 private void hideAndShowToolbarButtons(State newState, AnimatorSet showSeq, AnimatorSet hideSeq) { 2662 switch (newState) { 2663 case WORKSPACE: 2664 hideOrShowToolbarButton(true, mButtonCluster, showSeq); 2665 mDeleteZone.setOverlappingViews( 2666 new View[] { mAllAppsButton, mDivider, mConfigureButton }); 2667 mDeleteZone.setDragAndDropEnabled(true); 2668 mDeleteZone.setText(getResources().getString(R.string.delete_zone_label_workspace)); 2669 break; 2670 case ALL_APPS: 2671 hideOrShowToolbarButton(false, mButtonCluster, hideSeq); 2672 mDeleteZone.setDragAndDropEnabled(false); 2673 mDeleteZone.setText(getResources().getString(R.string.delete_zone_label_all_apps)); 2674 break; 2675 case CUSTOMIZE: 2676 hideOrShowToolbarButton(false, mButtonCluster, hideSeq); 2677 mDeleteZone.setDragAndDropEnabled(false); 2678 break; 2679 } 2680 } 2681 2682 /** 2683 * Helper method for the cameraZoomIn/cameraZoomOut animations 2684 * @param view The view being animated 2685 * @param state The state that we are moving in or out of -- either ALL_APPS or CUSTOMIZE 2686 * @param scaleFactor The scale factor used for the zoom 2687 */ 2688 private void setPivotsForZoom(View view, State state, float scaleFactor) { 2689 final int height = view.getHeight(); 2690 2691 view.setPivotX(view.getWidth() / 2.0f); 2692 // Set pivotY so that at the starting zoom factor, the view is partially 2693 // visible. Modifying initialHeightFactor changes how much of the view is 2694 // initially showing, and hence the perceived angle from which the view enters. 2695 if (state == State.ALL_APPS) { 2696 final float initialHeightFactor = 0.175f; 2697 view.setPivotY((1 - initialHeightFactor) * height); 2698 } else { 2699 final float initialHeightFactor = 0.2f; 2700 view.setPivotY(-initialHeightFactor * height); 2701 } 2702 } 2703 2704 /** 2705 * Zoom the camera out from the workspace to reveal 'toView'. 2706 * Assumes that the view to show is anchored at either the very top or very bottom 2707 * of the screen. 2708 * @param toState The state to zoom out to. Must be ALL_APPS or CUSTOMIZE. 2709 */ 2710 private void cameraZoomOut(State toState, boolean animated) { 2711 final Resources res = getResources(); 2712 final boolean toAllApps = (toState == State.ALL_APPS); 2713 2714 final int duration = toAllApps ? 2715 res.getInteger(R.integer.config_allAppsZoomInTime) : 2716 res.getInteger(R.integer.config_customizeZoomInTime); 2717 2718 final float scale = toAllApps ? 2719 (float) res.getInteger(R.integer.config_allAppsZoomScaleFactor) : 2720 (float) res.getInteger(R.integer.config_customizeZoomScaleFactor); 2721 2722 final View toView = toAllApps ? (View) mAllAppsGrid : mHomeCustomizationDrawer; 2723 2724 setPivotsForZoom(toView, toState, scale); 2725 2726 if (toAllApps) { 2727 mWorkspace.shrink(ShrinkState.BOTTOM_HIDDEN, animated); 2728 } else { 2729 mWorkspace.shrink(ShrinkState.TOP, animated); 2730 } 2731 2732 if (animated) { 2733 ValueAnimator scaleAnim = ValueAnimator.ofFloat(0f, 1f).setDuration(duration); 2734 scaleAnim.setInterpolator(new Workspace.ZoomOutInterpolator()); 2735 scaleAnim.addUpdateListener(new AnimatorUpdateListener() { 2736 public void onAnimationUpdate(ValueAnimator animation) { 2737 final float b = (Float) animation.getAnimatedValue(); 2738 final float a = 1f - b; 2739 ((View) toView.getParent()).fastInvalidate(); 2740 toView.setFastScaleX(a * scale + b * 1f); 2741 toView.setFastScaleY(a * scale + b * 1f); 2742 } 2743 }); 2744 2745 if (toAllApps) { 2746 toView.setAlpha(0f); 2747 ValueAnimator alphaAnim = ValueAnimator.ofFloat(0f, 1f).setDuration(duration); 2748 alphaAnim.setInterpolator(new DecelerateInterpolator(1.5f)); 2749 alphaAnim.addUpdateListener(new AnimatorUpdateListener() { 2750 public void onAnimationUpdate(ValueAnimator animation) { 2751 final float b = (Float) animation.getAnimatedValue(); 2752 final float a = 1f - b; 2753 // don't need to invalidate because we do so above 2754 toView.setFastAlpha(a * 0f + b * 1f); 2755 } 2756 }); 2757 alphaAnim.start(); 2758 } 2759 2760 // Only use hardware layers in portrait mode, they don't give any gains in landscape 2761 if (mWorkspace.getWidth() < mWorkspace.getHeight()) { 2762 toView.setLayerType(View.LAYER_TYPE_HARDWARE, null); 2763 } 2764 scaleAnim.addListener(new AnimatorListenerAdapter() { 2765 @Override 2766 public void onAnimationStart(Animator animation) { 2767 // Prepare the position 2768 toView.setTranslationX(0.0f); 2769 toView.setTranslationY(0.0f); 2770 toView.setVisibility(View.VISIBLE); 2771 if (!toAllApps) { 2772 toView.setAlpha(1.0f); 2773 } 2774 } 2775 @Override 2776 public void onAnimationEnd(Animator animation) { 2777 // If we don't set the final scale values here, if this animation is cancelled 2778 // it will have the wrong scale value and subsequent cameraPan animations will 2779 // not fix that 2780 toView.setLayerType(View.LAYER_TYPE_NONE, null); 2781 toView.setScaleX(1.0f); 2782 toView.setScaleY(1.0f); 2783 } 2784 }); 2785 2786 AnimatorSet toolbarHideAnim = new AnimatorSet(); 2787 AnimatorSet toolbarShowAnim = new AnimatorSet(); 2788 hideAndShowToolbarButtons(toState, toolbarShowAnim, toolbarHideAnim); 2789 2790 // toView should appear right at the end of the workspace shrink animation 2791 final int startDelay = 0; 2792 2793 if (mStateAnimation != null) mStateAnimation.cancel(); 2794 mStateAnimation = new AnimatorSet(); 2795 mStateAnimation.playTogether(scaleAnim, toolbarHideAnim); 2796 mStateAnimation.play(scaleAnim).after(startDelay); 2797 2798 // Show the new toolbar buttons just as the main animation is ending 2799 final int fadeInTime = res.getInteger(R.integer.config_toolbarButtonFadeInTime); 2800 mStateAnimation.play(toolbarShowAnim).after(duration + startDelay - fadeInTime); 2801 mStateAnimation.start(); 2802 } else { 2803 toView.setTranslationX(0.0f); 2804 toView.setTranslationY(0.0f); 2805 toView.setScaleX(1.0f); 2806 toView.setScaleY(1.0f); 2807 toView.setVisibility(View.VISIBLE); 2808 hideAndShowToolbarButtons(toState, null, null); 2809 } 2810 } 2811 2812 /** 2813 * Zoom the camera back into the workspace, hiding 'fromView'. 2814 * This is the opposite of cameraZoomOut. 2815 * @param fromState The current state (must be ALL_APPS or CUSTOMIZE). 2816 * @param animated If true, the transition will be animated. 2817 */ 2818 private void cameraZoomIn(State fromState, boolean animated) { 2819 cameraZoomIn(fromState, animated, false); 2820 } 2821 2822 private void cameraZoomIn(State fromState, boolean animated, boolean springLoaded) { 2823 Resources res = getResources(); 2824 final boolean fromAllApps = (fromState == State.ALL_APPS); 2825 2826 int duration = fromAllApps ? 2827 res.getInteger(R.integer.config_allAppsZoomOutTime) : 2828 res.getInteger(R.integer.config_customizeZoomOutTime); 2829 2830 final float scaleFactor = fromAllApps ? 2831 (float) res.getInteger(R.integer.config_allAppsZoomScaleFactor) : 2832 (float) res.getInteger(R.integer.config_customizeZoomScaleFactor); 2833 2834 final View fromView = fromAllApps ? (View) mAllAppsGrid : mHomeCustomizationDrawer; 2835 2836 mCustomizePagedView.endChoiceMode(); 2837 mAllAppsPagedView.endChoiceMode(); 2838 2839 setPivotsForZoom(fromView, fromState, scaleFactor); 2840 2841 if (!springLoaded) { 2842 mWorkspace.unshrink(animated); 2843 } 2844 2845 if (animated) { 2846 if (mStateAnimation != null) mStateAnimation.cancel(); 2847 mStateAnimation = new AnimatorSet(); 2848 2849 final float oldScaleX = fromView.getScaleX(); 2850 final float oldScaleY = fromView.getScaleY(); 2851 2852 ValueAnimator scaleAnim = ValueAnimator.ofFloat(0f, 1f).setDuration(duration); 2853 scaleAnim.setInterpolator(new Workspace.ZoomInInterpolator()); 2854 scaleAnim.addUpdateListener(new AnimatorUpdateListener() { 2855 public void onAnimationUpdate(ValueAnimator animation) { 2856 final float b = (Float) animation.getAnimatedValue(); 2857 final float a = 1f - b; 2858 ((View)fromView.getParent()).fastInvalidate(); 2859 fromView.setFastScaleX(a * oldScaleX + b * scaleFactor); 2860 fromView.setFastScaleY(a * oldScaleY + b * scaleFactor); 2861 } 2862 }); 2863 ValueAnimator alphaAnim = ValueAnimator.ofFloat(0f, 1f); 2864 alphaAnim.setDuration(res.getInteger(R.integer.config_allAppsFadeOutTime)); 2865 alphaAnim.setInterpolator(new DecelerateInterpolator(1.5f)); 2866 alphaAnim.addUpdateListener(new AnimatorUpdateListener() { 2867 public void onAnimationUpdate(ValueAnimator animation) { 2868 final float b = (Float) animation.getAnimatedValue(); 2869 final float a = 1f - b; 2870 // don't need to invalidate because we do so above 2871 fromView.setFastAlpha(a * 1f + b * 0f); 2872 } 2873 }); 2874 2875 fromView.setLayerType(View.LAYER_TYPE_HARDWARE, null); 2876 alphaAnim.addListener(new AnimatorListenerAdapter() { 2877 @Override 2878 public void onAnimationEnd(Animator animation) { 2879 fromView.setVisibility(View.GONE); 2880 fromView.setLayerType(View.LAYER_TYPE_NONE, null); 2881 } 2882 }); 2883 2884 AnimatorSet toolbarHideAnim = new AnimatorSet(); 2885 AnimatorSet toolbarShowAnim = new AnimatorSet(); 2886 if (!springLoaded) { 2887 hideAndShowToolbarButtons(State.WORKSPACE, toolbarShowAnim, toolbarHideAnim); 2888 } 2889 2890 mStateAnimation.playTogether(scaleAnim, toolbarHideAnim, alphaAnim); 2891 2892 // Show the new toolbar buttons at the very end of the whole animation 2893 final int fadeInTime = res.getInteger(R.integer.config_toolbarButtonFadeInTime); 2894 final int unshrinkTime = res.getInteger(R.integer.config_workspaceUnshrinkTime); 2895 mStateAnimation.play(toolbarShowAnim).after(unshrinkTime - fadeInTime); 2896 mStateAnimation.start(); 2897 } else { 2898 fromView.setVisibility(View.GONE); 2899 if (!springLoaded) { 2900 hideAndShowToolbarButtons(State.WORKSPACE, null, null); 2901 } 2902 } 2903 } 2904 2905 void showAllApps(boolean animated) { 2906 if (mState != State.WORKSPACE) { 2907 return; 2908 } 2909 2910 if (LauncherApplication.isScreenXLarge()) { 2911 cameraZoomOut(State.ALL_APPS, animated); 2912 } else { 2913 mAllAppsGrid.zoom(1.0f, animated); 2914 } 2915 2916 ((View) mAllAppsGrid).setFocusable(true); 2917 ((View) mAllAppsGrid).requestFocus(); 2918 2919 // TODO: fade these two too 2920 mDeleteZone.setVisibility(View.GONE); 2921 2922 // Change the state *after* we've called all the transition code 2923 mState = State.ALL_APPS; 2924 2925 // Pause the auto-advance of widgets until we are out of AllApps 2926 mUserPresent = false; 2927 updateRunning(); 2928 2929 // send an accessibility event to announce the context change 2930 getWindow().getDecorView().sendAccessibilityEvent(AccessibilityEvent.TYPE_VIEW_SELECTED); 2931 } 2932 2933 void showWorkspace(boolean animated) { 2934 showWorkspace(animated, null); 2935 } 2936 2937 void showWorkspace(boolean animated, CellLayout layout) { 2938 if (layout != null) { 2939 // always animated, but that's ok since we never specify a layout and 2940 // want no animation 2941 mWorkspace.unshrink(layout); 2942 } else { 2943 mWorkspace.unshrink(animated); 2944 } 2945 if (mState == State.ALL_APPS) { 2946 closeAllApps(animated); 2947 } else if (mState == State.CUSTOMIZE) { 2948 hideCustomizationDrawer(animated); 2949 } 2950 2951 // Change the state *after* we've called all the transition code 2952 mState = State.WORKSPACE; 2953 2954 // Resume the auto-advance of widgets 2955 mUserPresent = true; 2956 updateRunning(); 2957 2958 // send an accessibility event to announce the context change 2959 getWindow().getDecorView().sendAccessibilityEvent(AccessibilityEvent.TYPE_VIEW_SELECTED); 2960 } 2961 2962 void enterSpringLoadedDragMode(CellLayout layout) { 2963 mWorkspace.enterSpringLoadedDragMode(layout); 2964 if (mState == State.ALL_APPS) { 2965 cameraZoomIn(State.ALL_APPS, true, true); 2966 mState = State.ALL_APPS_SPRING_LOADED; 2967 } else if (mState == State.CUSTOMIZE) { 2968 cameraZoomIn(State.CUSTOMIZE, true, true); 2969 mState = State.CUSTOMIZE_SPRING_LOADED; 2970 }/* else { 2971 // we're already in spring loaded mode; don't do anything 2972 }*/ 2973 } 2974 2975 void exitSpringLoadedDragMode() { 2976 if (mState == State.ALL_APPS_SPRING_LOADED) { 2977 mWorkspace.exitSpringLoadedDragMode(Workspace.ShrinkState.BOTTOM_VISIBLE); 2978 cameraZoomOut(State.ALL_APPS, true); 2979 mState = State.ALL_APPS; 2980 } else if (mState == State.CUSTOMIZE_SPRING_LOADED) { 2981 mWorkspace.exitSpringLoadedDragMode(Workspace.ShrinkState.TOP); 2982 cameraZoomOut(State.CUSTOMIZE, true); 2983 mState = State.CUSTOMIZE; 2984 }/* else { 2985 // we're not in spring loaded mode; don't do anything 2986 }*/ 2987 } 2988 2989 /** 2990 * Things to test when changing this code. 2991 * - Home from workspace 2992 * - from center screen 2993 * - from other screens 2994 * - Home from all apps 2995 * - from center screen 2996 * - from other screens 2997 * - Back from all apps 2998 * - from center screen 2999 * - from other screens 3000 * - Launch app from workspace and quit 3001 * - with back 3002 * - with home 3003 * - Launch app from all apps and quit 3004 * - with back 3005 * - with home 3006 * - Go to a screen that's not the default, then all 3007 * apps, and launch and app, and go back 3008 * - with back 3009 * -with home 3010 * - On workspace, long press power and go back 3011 * - with back 3012 * - with home 3013 * - On all apps, long press power and go back 3014 * - with back 3015 * - with home 3016 * - On workspace, power off 3017 * - On all apps, power off 3018 * - Launch an app and turn off the screen while in that app 3019 * - Go back with home key 3020 * - Go back with back key TODO: make this not go to workspace 3021 * - From all apps 3022 * - From workspace 3023 * - Enter and exit car mode (becuase it causes an extra configuration changed) 3024 * - From all apps 3025 * - From the center workspace 3026 * - From another workspace 3027 */ 3028 void closeAllApps(boolean animated) { 3029 if (mState == State.ALL_APPS || mState == State.ALL_APPS_SPRING_LOADED) { 3030 mWorkspace.setVisibility(View.VISIBLE); 3031 if (LauncherApplication.isScreenXLarge()) { 3032 cameraZoomIn(State.ALL_APPS, animated); 3033 } else { 3034 mAllAppsGrid.zoom(0.0f, animated); 3035 } 3036 ((View)mAllAppsGrid).setFocusable(false); 3037 mWorkspace.getChildAt(mWorkspace.getCurrentPage()).requestFocus(); 3038 } 3039 } 3040 3041 void lockAllApps() { 3042 // TODO 3043 } 3044 3045 void unlockAllApps() { 3046 // TODO 3047 } 3048 3049 // Show the customization drawer (only exists in x-large configuration) 3050 private void showCustomizationDrawer(boolean animated) { 3051 if (mState != State.WORKSPACE) { 3052 return; 3053 } 3054 3055 cameraZoomOut(State.CUSTOMIZE, animated); 3056 3057 // Change the state *after* we've called all the transition code 3058 mState = State.CUSTOMIZE; 3059 3060 // Pause the auto-advance of widgets until we are out of Customization drawer 3061 mUserPresent = false; 3062 updateRunning(); 3063 } 3064 3065 // Hide the customization drawer (only exists in x-large configuration) 3066 void hideCustomizationDrawer(boolean animated) { 3067 if (mState == State.CUSTOMIZE || mState == State.CUSTOMIZE_SPRING_LOADED) { 3068 cameraZoomIn(State.CUSTOMIZE, animated); 3069 } 3070 } 3071 3072 /** 3073 * Add an item from all apps or customize onto the given workspace screen. 3074 * If layout is null, add to the current screen. 3075 */ 3076 void addExternalItemToScreen(ItemInfo itemInfo, final CellLayout layout) { 3077 if (!mWorkspace.addExternalItemToScreen(itemInfo, layout)) { 3078 showOutOfSpaceMessage(); 3079 } else { 3080 layout.animateDrop(); 3081 } 3082 } 3083 3084 void onWorkspaceClick(CellLayout layout) { 3085 showWorkspace(true, layout); 3086 } 3087 3088 // if successful in getting icon, return it; otherwise, set button to use default drawable 3089 private Drawable.ConstantState updateButtonWithIconFromExternalActivity( 3090 int buttonId, ComponentName activityName, int fallbackDrawableId) { 3091 ImageView button = (ImageView) findViewById(buttonId); 3092 Drawable toolbarIcon = null; 3093 try { 3094 PackageManager packageManager = getPackageManager(); 3095 // Look for the toolbar icon specified in the activity meta-data 3096 Bundle metaData = packageManager.getActivityInfo( 3097 activityName, PackageManager.GET_META_DATA).metaData; 3098 if (metaData != null) { 3099 int iconResId = metaData.getInt(TOOLBAR_ICON_METADATA_NAME); 3100 if (iconResId != 0) { 3101 Resources res = packageManager.getResourcesForActivity(activityName); 3102 toolbarIcon = res.getDrawable(iconResId); 3103 } 3104 } 3105 } catch (NameNotFoundException e) { 3106 // Do nothing 3107 } 3108 // If we were unable to find the icon via the meta-data, use a generic one 3109 if (toolbarIcon == null) { 3110 button.setImageResource(fallbackDrawableId); 3111 return null; 3112 } else { 3113 button.setImageDrawable(toolbarIcon); 3114 return toolbarIcon.getConstantState(); 3115 } 3116 } 3117 3118 private void updateButtonWithDrawable(int buttonId, Drawable.ConstantState d) { 3119 ImageView button = (ImageView) findViewById(buttonId); 3120 button.setImageDrawable(d.newDrawable(getResources())); 3121 } 3122 3123 private void updateGlobalSearchIcon() { 3124 if (LauncherApplication.isScreenXLarge()) { 3125 final SearchManager searchManager = 3126 (SearchManager) getSystemService(Context.SEARCH_SERVICE); 3127 ComponentName activityName = searchManager.getGlobalSearchActivity(); 3128 if (activityName != null) { 3129 sGlobalSearchIcon = updateButtonWithIconFromExternalActivity( 3130 R.id.search_button, activityName, R.drawable.ic_generic_search); 3131 } else { 3132 findViewById(R.id.search_button).setVisibility(View.GONE); 3133 } 3134 } 3135 } 3136 3137 private void updateGlobalSearchIcon(Drawable.ConstantState d) { 3138 updateButtonWithDrawable(R.id.search_button, d); 3139 } 3140 3141 private void updateVoiceSearchIcon() { 3142 if (LauncherApplication.isScreenXLarge()) { 3143 Intent intent = new Intent(RecognizerIntent.ACTION_WEB_SEARCH); 3144 ComponentName activityName = intent.resolveActivity(getPackageManager()); 3145 if (activityName != null) { 3146 sVoiceSearchIcon = updateButtonWithIconFromExternalActivity( 3147 R.id.voice_button, activityName, R.drawable.ic_voice_search); 3148 } else { 3149 findViewById(R.id.voice_button).setVisibility(View.GONE); 3150 } 3151 } 3152 } 3153 3154 private void updateVoiceSearchIcon(Drawable.ConstantState d) { 3155 updateButtonWithDrawable(R.id.voice_button, d); 3156 } 3157 3158 /** 3159 * Sets the app market icon (shown when all apps is visible on x-large screens) 3160 */ 3161 private void updateAppMarketIcon() { 3162 if (LauncherApplication.isScreenXLarge()) { 3163 Intent intent = new Intent(Intent.ACTION_MAIN).addCategory(Intent.CATEGORY_APP_MARKET); 3164 // Find the app market activity by resolving an intent. 3165 // (If multiple app markets are installed, it will return the ResolverActivity.) 3166 ComponentName activityName = intent.resolveActivity(getPackageManager()); 3167 if (activityName != null) { 3168 mAppMarketIntent = intent; 3169 sAppMarketIcon = updateButtonWithIconFromExternalActivity( 3170 R.id.market_button, activityName, R.drawable.app_market_generic); 3171 } 3172 } 3173 } 3174 3175 private void updateAppMarketIcon(Drawable.ConstantState d) { 3176 updateButtonWithDrawable(R.id.market_button, d); 3177 } 3178 3179 /** 3180 * Displays the shortcut creation dialog and launches, if necessary, the 3181 * appropriate activity. 3182 */ 3183 private class CreateShortcut implements DialogInterface.OnClickListener, 3184 DialogInterface.OnCancelListener, DialogInterface.OnDismissListener, 3185 DialogInterface.OnShowListener { 3186 3187 private AddAdapter mAdapter; 3188 3189 Dialog createDialog() { 3190 mAdapter = new AddAdapter(Launcher.this); 3191 3192 final AlertDialog.Builder builder = new AlertDialog.Builder(Launcher.this); 3193 builder.setTitle(getString(R.string.menu_item_add_item)); 3194 builder.setAdapter(mAdapter, this); 3195 3196 builder.setInverseBackgroundForced(true); 3197 3198 AlertDialog dialog = builder.create(); 3199 dialog.setOnCancelListener(this); 3200 dialog.setOnDismissListener(this); 3201 dialog.setOnShowListener(this); 3202 3203 return dialog; 3204 } 3205 3206 public void onCancel(DialogInterface dialog) { 3207 mWaitingForResult = false; 3208 cleanup(); 3209 } 3210 3211 public void onDismiss(DialogInterface dialog) { 3212 } 3213 3214 private void cleanup() { 3215 try { 3216 dismissDialog(DIALOG_CREATE_SHORTCUT); 3217 } catch (Exception e) { 3218 // An exception is thrown if the dialog is not visible, which is fine 3219 } 3220 } 3221 3222 /** 3223 * Handle the action clicked in the "Add to home" dialog. 3224 */ 3225 public void onClick(DialogInterface dialog, int which) { 3226 Resources res = getResources(); 3227 cleanup(); 3228 3229 switch (which) { 3230 case AddAdapter.ITEM_SHORTCUT: { 3231 pickShortcut(); 3232 break; 3233 } 3234 3235 case AddAdapter.ITEM_APPWIDGET: { 3236 int appWidgetId = Launcher.this.mAppWidgetHost.allocateAppWidgetId(); 3237 3238 Intent pickIntent = new Intent(AppWidgetManager.ACTION_APPWIDGET_PICK); 3239 pickIntent.putExtra(AppWidgetManager.EXTRA_APPWIDGET_ID, appWidgetId); 3240 // start the pick activity 3241 startActivityForResult(pickIntent, REQUEST_PICK_APPWIDGET); 3242 break; 3243 } 3244 3245 case AddAdapter.ITEM_LIVE_FOLDER: { 3246 // Insert extra item to handle inserting folder 3247 Bundle bundle = new Bundle(); 3248 3249 ArrayList<String> shortcutNames = new ArrayList<String>(); 3250 shortcutNames.add(res.getString(R.string.group_folder)); 3251 bundle.putStringArrayList(Intent.EXTRA_SHORTCUT_NAME, shortcutNames); 3252 3253 ArrayList<ShortcutIconResource> shortcutIcons = 3254 new ArrayList<ShortcutIconResource>(); 3255 shortcutIcons.add(ShortcutIconResource.fromContext(Launcher.this, 3256 R.drawable.ic_launcher_folder)); 3257 bundle.putParcelableArrayList(Intent.EXTRA_SHORTCUT_ICON_RESOURCE, shortcutIcons); 3258 3259 Intent pickIntent = new Intent(Intent.ACTION_PICK_ACTIVITY); 3260 pickIntent.putExtra(Intent.EXTRA_INTENT, 3261 new Intent(LiveFolders.ACTION_CREATE_LIVE_FOLDER)); 3262 pickIntent.putExtra(Intent.EXTRA_TITLE, 3263 getText(R.string.title_select_live_folder)); 3264 pickIntent.putExtras(bundle); 3265 3266 startActivityForResult(pickIntent, REQUEST_PICK_LIVE_FOLDER); 3267 break; 3268 } 3269 3270 case AddAdapter.ITEM_WALLPAPER: { 3271 startWallpaper(); 3272 break; 3273 } 3274 } 3275 } 3276 3277 public void onShow(DialogInterface dialog) { 3278 mWaitingForResult = true; 3279 } 3280 } 3281 3282 /** 3283 * Receives notifications when applications are added/removed. 3284 */ 3285 private class CloseSystemDialogsIntentReceiver extends BroadcastReceiver { 3286 @Override 3287 public void onReceive(Context context, Intent intent) { 3288 closeSystemDialogs(); 3289 String reason = intent.getStringExtra("reason"); 3290 if (!"homekey".equals(reason)) { 3291 boolean animate = true; 3292 if (mPaused || "lock".equals(reason)) { 3293 animate = false; 3294 } 3295 showWorkspace(animate); 3296 } 3297 } 3298 } 3299 3300 /** 3301 * Receives notifications whenever the appwidgets are reset. 3302 */ 3303 private class AppWidgetResetObserver extends ContentObserver { 3304 public AppWidgetResetObserver() { 3305 super(new Handler()); 3306 } 3307 3308 @Override 3309 public void onChange(boolean selfChange) { 3310 onAppWidgetReset(); 3311 } 3312 } 3313 3314 /** 3315 * If the activity is currently paused, signal that we need to re-run the loader 3316 * in onResume. 3317 * 3318 * This needs to be called from incoming places where resources might have been loaded 3319 * while we are paused. That is becaues the Configuration might be wrong 3320 * when we're not running, and if it comes back to what it was when we 3321 * were paused, we are not restarted. 3322 * 3323 * Implementation of the method from LauncherModel.Callbacks. 3324 * 3325 * @return true if we are currently paused. The caller might be able to 3326 * skip some work in that case since we will come back again. 3327 */ 3328 public boolean setLoadOnResume() { 3329 if (mPaused) { 3330 Log.i(TAG, "setLoadOnResume"); 3331 mOnResumeNeedsLoad = true; 3332 return true; 3333 } else { 3334 return false; 3335 } 3336 } 3337 3338 /** 3339 * Implementation of the method from LauncherModel.Callbacks. 3340 */ 3341 public int getCurrentWorkspaceScreen() { 3342 if (mWorkspace != null) { 3343 return mWorkspace.getCurrentPage(); 3344 } else { 3345 return SCREEN_COUNT / 2; 3346 } 3347 } 3348 3349 void setAllAppsPagedView(AllAppsPagedView view) { 3350 mAllAppsPagedView = view; 3351 } 3352 3353 /** 3354 * Refreshes the shortcuts shown on the workspace. 3355 * 3356 * Implementation of the method from LauncherModel.Callbacks. 3357 */ 3358 public void startBinding() { 3359 final Workspace workspace = mWorkspace; 3360 int count = workspace.getChildCount(); 3361 for (int i = 0; i < count; i++) { 3362 // Use removeAllViewsInLayout() to avoid an extra requestLayout() and invalidate(). 3363 final CellLayout layoutParent = (CellLayout) workspace.getChildAt(i); 3364 layoutParent.removeAllViewsInLayout(); 3365 } 3366 3367 if (DEBUG_USER_INTERFACE) { 3368 android.widget.Button finishButton = new android.widget.Button(this); 3369 finishButton.setText("Finish"); 3370 workspace.addInScreen(finishButton, 1, 0, 0, 1, 1); 3371 3372 finishButton.setOnClickListener(new android.widget.Button.OnClickListener() { 3373 public void onClick(View v) { 3374 finish(); 3375 } 3376 }); 3377 } 3378 3379 // This wasn't being called before which resulted in a leak of AppWidgetHostViews (through 3380 // mDesktopItems -> AppWidgetInfo -> hostView). 3381 unbindDesktopItems(); 3382 } 3383 3384 /** 3385 * Bind the items start-end from the list. 3386 * 3387 * Implementation of the method from LauncherModel.Callbacks. 3388 */ 3389 public void bindItems(ArrayList<ItemInfo> shortcuts, int start, int end) { 3390 3391 setLoadOnResume(); 3392 3393 final Workspace workspace = mWorkspace; 3394 3395 for (int i=start; i<end; i++) { 3396 final ItemInfo item = shortcuts.get(i); 3397 mDesktopItems.add(item); 3398 switch (item.itemType) { 3399 case LauncherSettings.Favorites.ITEM_TYPE_APPLICATION: 3400 case LauncherSettings.Favorites.ITEM_TYPE_SHORTCUT: 3401 final View shortcut = createShortcut((ShortcutInfo)item); 3402 workspace.addInScreen(shortcut, item.screen, item.cellX, item.cellY, 1, 1, 3403 false); 3404 break; 3405 case LauncherSettings.Favorites.ITEM_TYPE_USER_FOLDER: 3406 final FolderIcon newFolder = FolderIcon.fromXml(R.layout.folder_icon, this, 3407 (ViewGroup) workspace.getChildAt(workspace.getCurrentPage()), 3408 (UserFolderInfo) item, mIconCache); 3409 workspace.addInScreen(newFolder, item.screen, item.cellX, item.cellY, 1, 1, 3410 false); 3411 break; 3412 case LauncherSettings.Favorites.ITEM_TYPE_LIVE_FOLDER: 3413 final FolderIcon newLiveFolder = LiveFolderIcon.fromXml( 3414 R.layout.live_folder_icon, this, 3415 (ViewGroup) workspace.getChildAt(workspace.getCurrentPage()), 3416 (LiveFolderInfo) item); 3417 workspace.addInScreen(newLiveFolder, item.screen, item.cellX, item.cellY, 1, 1, 3418 false); 3419 break; 3420 } 3421 } 3422 3423 workspace.requestLayout(); 3424 } 3425 3426 /** 3427 * Implementation of the method from LauncherModel.Callbacks. 3428 */ 3429 public void bindFolders(HashMap<Long, FolderInfo> folders) { 3430 setLoadOnResume(); 3431 sFolders.clear(); 3432 sFolders.putAll(folders); 3433 } 3434 3435 /** 3436 * Add the views for a widget to the workspace. 3437 * 3438 * Implementation of the method from LauncherModel.Callbacks. 3439 */ 3440 public void bindAppWidget(LauncherAppWidgetInfo item) { 3441 setLoadOnResume(); 3442 3443 final long start = DEBUG_WIDGETS ? SystemClock.uptimeMillis() : 0; 3444 if (DEBUG_WIDGETS) { 3445 Log.d(TAG, "bindAppWidget: " + item); 3446 } 3447 final Workspace workspace = mWorkspace; 3448 3449 final int appWidgetId = item.appWidgetId; 3450 final AppWidgetProviderInfo appWidgetInfo = mAppWidgetManager.getAppWidgetInfo(appWidgetId); 3451 if (DEBUG_WIDGETS) { 3452 Log.d(TAG, "bindAppWidget: id=" + item.appWidgetId + " belongs to component " + appWidgetInfo.provider); 3453 } 3454 3455 item.hostView = mAppWidgetHost.createView(this, appWidgetId, appWidgetInfo); 3456 3457 item.hostView.setAppWidget(appWidgetId, appWidgetInfo); 3458 item.hostView.setTag(item); 3459 3460 workspace.addInScreen(item.hostView, item.screen, item.cellX, 3461 item.cellY, item.spanX, item.spanY, false); 3462 3463 addWidgetToAutoAdvanceIfNeeded(item.hostView, appWidgetInfo); 3464 3465 workspace.requestLayout(); 3466 3467 mDesktopItems.add(item); 3468 3469 if (DEBUG_WIDGETS) { 3470 Log.d(TAG, "bound widget id="+item.appWidgetId+" in " 3471 + (SystemClock.uptimeMillis()-start) + "ms"); 3472 } 3473 } 3474 3475 /** 3476 * Callback saying that there aren't any more items to bind. 3477 * 3478 * Implementation of the method from LauncherModel.Callbacks. 3479 */ 3480 public void finishBindingItems() { 3481 setLoadOnResume(); 3482 3483 if (mSavedState != null) { 3484 if (!mWorkspace.hasFocus()) { 3485 mWorkspace.getChildAt(mWorkspace.getCurrentPage()).requestFocus(); 3486 } 3487 3488 final long[] userFolders = mSavedState.getLongArray(RUNTIME_STATE_USER_FOLDERS); 3489 if (userFolders != null) { 3490 for (long folderId : userFolders) { 3491 final FolderInfo info = sFolders.get(folderId); 3492 if (info != null) { 3493 openFolder(info); 3494 } 3495 } 3496 final Folder openFolder = mWorkspace.getOpenFolder(); 3497 if (openFolder != null) { 3498 openFolder.requestFocus(); 3499 } 3500 } 3501 3502 mSavedState = null; 3503 } 3504 3505 if (mSavedInstanceState != null) { 3506 super.onRestoreInstanceState(mSavedInstanceState); 3507 mSavedInstanceState = null; 3508 } 3509 3510 // Workaround a bug that occurs when rotating the device while the customization mode is 3511 // open, we trigger a new layout on all the CellLayout children. 3512 if (LauncherApplication.isScreenXLarge() && (mState == State.CUSTOMIZE)) { 3513 final int childCount = mWorkspace.getChildCount(); 3514 for (int i = 0; i < childCount; ++i) { 3515 mWorkspace.getChildAt(i).requestLayout(); 3516 } 3517 } 3518 3519 mWorkspaceLoading = false; 3520 } 3521 3522 /** 3523 * Updates the icons on the launcher that are affected by changes to the package list 3524 * on the device. 3525 */ 3526 private void updateIconsAffectedByPackageManagerChanges() { 3527 updateAppMarketIcon(); 3528 updateGlobalSearchIcon(); 3529 updateVoiceSearchIcon(); 3530 } 3531 3532 /** 3533 * Add the icons for all apps. 3534 * 3535 * Implementation of the method from LauncherModel.Callbacks. 3536 */ 3537 public void bindAllApplications(ArrayList<ApplicationInfo> apps) { 3538 mAllAppsGrid.setApps(apps); 3539 if (mCustomizePagedView != null) { 3540 mCustomizePagedView.setApps(apps); 3541 } 3542 updateIconsAffectedByPackageManagerChanges(); 3543 } 3544 3545 /** 3546 * A package was installed. 3547 * 3548 * Implementation of the method from LauncherModel.Callbacks. 3549 */ 3550 public void bindAppsAdded(ArrayList<ApplicationInfo> apps) { 3551 setLoadOnResume(); 3552 removeDialog(DIALOG_CREATE_SHORTCUT); 3553 mAllAppsGrid.addApps(apps); 3554 if (mCustomizePagedView != null) { 3555 mCustomizePagedView.addApps(apps); 3556 } 3557 updateIconsAffectedByPackageManagerChanges(); 3558 } 3559 3560 /** 3561 * A package was updated. 3562 * 3563 * Implementation of the method from LauncherModel.Callbacks. 3564 */ 3565 public void bindAppsUpdated(ArrayList<ApplicationInfo> apps) { 3566 setLoadOnResume(); 3567 removeDialog(DIALOG_CREATE_SHORTCUT); 3568 mWorkspace.updateShortcuts(apps); 3569 mAllAppsGrid.updateApps(apps); 3570 if (mCustomizePagedView != null) { 3571 mCustomizePagedView.updateApps(apps); 3572 } 3573 updateIconsAffectedByPackageManagerChanges(); 3574 } 3575 3576 /** 3577 * A package was uninstalled. 3578 * 3579 * Implementation of the method from LauncherModel.Callbacks. 3580 */ 3581 public void bindAppsRemoved(ArrayList<ApplicationInfo> apps, boolean permanent) { 3582 removeDialog(DIALOG_CREATE_SHORTCUT); 3583 if (permanent) { 3584 mWorkspace.removeItems(apps); 3585 } 3586 mAllAppsGrid.removeApps(apps); 3587 if (mCustomizePagedView != null) { 3588 mCustomizePagedView.removeApps(apps); 3589 } 3590 updateIconsAffectedByPackageManagerChanges(); 3591 } 3592 3593 /** 3594 * A number of packages were updated. 3595 */ 3596 public void bindPackagesUpdated() { 3597 // update the customization drawer contents 3598 if (mCustomizePagedView != null) { 3599 mCustomizePagedView.update(); 3600 } 3601 } 3602 3603 private int mapConfigurationOriActivityInfoOri(int configOri) { 3604 final Display d = getWindowManager().getDefaultDisplay(); 3605 int naturalOri = Configuration.ORIENTATION_LANDSCAPE; 3606 switch (d.getRotation()) { 3607 case Surface.ROTATION_0: 3608 case Surface.ROTATION_180: 3609 // We are currently in the same basic orientation as the natural orientation 3610 naturalOri = configOri; 3611 break; 3612 case Surface.ROTATION_90: 3613 case Surface.ROTATION_270: 3614 // We are currently in the other basic orientation to the natural orientation 3615 naturalOri = (configOri == Configuration.ORIENTATION_LANDSCAPE) ? 3616 Configuration.ORIENTATION_PORTRAIT : Configuration.ORIENTATION_LANDSCAPE; 3617 break; 3618 } 3619 3620 int[] oriMap = { 3621 ActivityInfo.SCREEN_ORIENTATION_PORTRAIT, 3622 ActivityInfo.SCREEN_ORIENTATION_LANDSCAPE, 3623 ActivityInfo.SCREEN_ORIENTATION_REVERSE_PORTRAIT, 3624 ActivityInfo.SCREEN_ORIENTATION_REVERSE_LANDSCAPE 3625 }; 3626 // Since the map starts at portrait, we need to offset if this device's natural orientation 3627 // is landscape. 3628 int indexOffset = 0; 3629 if (naturalOri == Configuration.ORIENTATION_LANDSCAPE) { 3630 indexOffset = 1; 3631 } 3632 return oriMap[(d.getRotation() + indexOffset) % 4]; 3633 } 3634 public void lockScreenOrientation() { 3635 setRequestedOrientation(mapConfigurationOriActivityInfoOri(getResources() 3636 .getConfiguration().orientation)); 3637 } 3638 public void unlockScreenOrientation() { 3639 mHandler.postDelayed(new Runnable() { 3640 public void run() { 3641 setRequestedOrientation(ActivityInfo.SCREEN_ORIENTATION_UNSPECIFIED); 3642 } 3643 }, mRestoreScreenOrientationDelay); 3644 } 3645 3646 /** 3647 * Prints out out state for debugging. 3648 */ 3649 public void dumpState() { 3650 Log.d(TAG, "BEGIN launcher2 dump state for launcher " + this); 3651 Log.d(TAG, "mSavedState=" + mSavedState); 3652 Log.d(TAG, "mWorkspaceLoading=" + mWorkspaceLoading); 3653 Log.d(TAG, "mRestoring=" + mRestoring); 3654 Log.d(TAG, "mWaitingForResult=" + mWaitingForResult); 3655 Log.d(TAG, "mSavedInstanceState=" + mSavedInstanceState); 3656 Log.d(TAG, "mDesktopItems.size=" + mDesktopItems.size()); 3657 Log.d(TAG, "sFolders.size=" + sFolders.size()); 3658 mModel.dumpState(); 3659 mAllAppsGrid.dumpState(); 3660 Log.d(TAG, "END launcher2 dump state"); 3661 } 3662} 3663