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Diffstat (limited to 'src/com/android/launcher2/Launcher.java')
| -rw-r--r-- | src/com/android/launcher2/Launcher.java | 2247 |
1 files changed, 2247 insertions, 0 deletions
diff --git a/src/com/android/launcher2/Launcher.java b/src/com/android/launcher2/Launcher.java new file mode 100644 index 000000000..f1af0b135 --- /dev/null +++ b/src/com/android/launcher2/Launcher.java @@ -0,0 +1,2247 @@ +/* + * Copyright (C) 2008 The Android Open Source Project + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +package com.android.launcher; + +import android.app.Activity; +import android.app.AlertDialog; +import android.app.Application; +import android.app.Dialog; +import android.app.ISearchManager; +import android.app.IWallpaperService; +import android.app.SearchManager; +import android.app.StatusBarManager; +import android.content.ActivityNotFoundException; +import android.content.BroadcastReceiver; +import android.content.ComponentName; +import android.content.ContentResolver; +import android.content.Context; +import android.content.DialogInterface; +import android.content.Intent; +import android.content.IntentFilter; +import android.content.Intent.ShortcutIconResource; +import android.content.pm.ActivityInfo; +import android.content.pm.PackageManager; +import android.content.pm.PackageManager.NameNotFoundException; +import android.content.res.Configuration; +import android.content.res.Resources; +import android.database.ContentObserver; +import android.graphics.Bitmap; +import android.graphics.Rect; +import android.graphics.drawable.BitmapDrawable; +import android.graphics.drawable.Drawable; +import android.graphics.drawable.TransitionDrawable; +import android.os.Bundle; +import android.os.Handler; +import android.os.IBinder; +import android.os.Looper; +import android.os.Message; +import android.os.MessageQueue; +import android.os.Parcelable; +import android.os.RemoteException; +import android.os.ServiceManager; +import android.provider.LiveFolders; +import android.text.Selection; +import android.text.SpannableStringBuilder; +import android.text.TextUtils; +import android.text.method.TextKeyListener; +import static android.util.Log.*; +import android.view.Display; +import android.view.KeyEvent; +import android.view.LayoutInflater; +import android.view.Menu; +import android.view.MenuItem; +import android.view.View; +import android.view.ViewGroup; +import android.view.View.OnLongClickListener; +import android.view.inputmethod.InputMethodManager; +import android.widget.EditText; +import android.widget.GridView; +import android.widget.SlidingDrawer; +import android.widget.TextView; +import android.widget.Toast; +import android.appwidget.AppWidgetManager; +import android.appwidget.AppWidgetProviderInfo; + +import java.lang.ref.WeakReference; +import java.util.ArrayList; +import java.util.LinkedList; +import java.io.DataOutputStream; +import java.io.FileNotFoundException; +import java.io.IOException; +import java.io.DataInputStream; + +/** + * Default launcher application. + */ +public final class Launcher extends Activity implements View.OnClickListener, OnLongClickListener { + static final String LOG_TAG = "Launcher"; + static final boolean LOGD = false; + + private static final boolean PROFILE_STARTUP = false; + private static final boolean PROFILE_DRAWER = false; + private static final boolean PROFILE_ROTATE = false; + private static final boolean DEBUG_USER_INTERFACE = false; + + private static final int WALLPAPER_SCREENS_SPAN = 2; + + private static final int MENU_GROUP_ADD = 1; + private static final int MENU_ADD = Menu.FIRST + 1; + private static final int MENU_WALLPAPER_SETTINGS = MENU_ADD + 1; + private static final int MENU_SEARCH = MENU_WALLPAPER_SETTINGS + 1; + private static final int MENU_NOTIFICATIONS = MENU_SEARCH + 1; + private static final int MENU_SETTINGS = MENU_NOTIFICATIONS + 1; + + private static final int REQUEST_CREATE_SHORTCUT = 1; + private static final int REQUEST_CREATE_LIVE_FOLDER = 4; + private static final int REQUEST_CREATE_APPWIDGET = 5; + private static final int REQUEST_PICK_APPLICATION = 6; + private static final int REQUEST_PICK_SHORTCUT = 7; + private static final int REQUEST_PICK_LIVE_FOLDER = 8; + private static final int REQUEST_PICK_APPWIDGET = 9; + + static final String EXTRA_SHORTCUT_DUPLICATE = "duplicate"; + + static final String EXTRA_CUSTOM_WIDGET = "custom_widget"; + static final String SEARCH_WIDGET = "search_widget"; + + static final int SCREEN_COUNT = 3; + static final int DEFAULT_SCREN = 1; + static final int NUMBER_CELLS_X = 4; + static final int NUMBER_CELLS_Y = 4; + + private static final int DIALOG_CREATE_SHORTCUT = 1; + static final int DIALOG_RENAME_FOLDER = 2; + + private static final String PREFERENCES = "launcher.preferences"; + + // Type: int + private static final String RUNTIME_STATE_CURRENT_SCREEN = "launcher.current_screen"; + // Type: boolean + private static final String RUNTIME_STATE_ALL_APPS_FOLDER = "launcher.all_apps_folder"; + // Type: long + private static final String RUNTIME_STATE_USER_FOLDERS = "launcher.user_folder"; + // Type: int + private static final String RUNTIME_STATE_PENDING_ADD_SCREEN = "launcher.add_screen"; + // Type: int + private static final String RUNTIME_STATE_PENDING_ADD_CELL_X = "launcher.add_cellX"; + // Type: int + private static final String RUNTIME_STATE_PENDING_ADD_CELL_Y = "launcher.add_cellY"; + // Type: int + private static final String RUNTIME_STATE_PENDING_ADD_SPAN_X = "launcher.add_spanX"; + // Type: int + private static final String RUNTIME_STATE_PENDING_ADD_SPAN_Y = "launcher.add_spanY"; + // Type: int + private static final String RUNTIME_STATE_PENDING_ADD_COUNT_X = "launcher.add_countX"; + // Type: int + private static final String RUNTIME_STATE_PENDING_ADD_COUNT_Y = "launcher.add_countY"; + // Type: int[] + private static final String RUNTIME_STATE_PENDING_ADD_OCCUPIED_CELLS = "launcher.add_occupied_cells"; + // Type: boolean + private static final String RUNTIME_STATE_PENDING_FOLDER_RENAME = "launcher.rename_folder"; + // Type: long + private static final String RUNTIME_STATE_PENDING_FOLDER_RENAME_ID = "launcher.rename_folder_id"; + + private static final LauncherModel sModel = new LauncherModel(); + + private static Bitmap sWallpaper; + + private static final Object sLock = new Object(); + private static int sScreen = DEFAULT_SCREN; + + private static WallpaperIntentReceiver sWallpaperReceiver; + + private final BroadcastReceiver mApplicationsReceiver = new ApplicationsIntentReceiver(); + private final ContentObserver mObserver = new FavoritesChangeObserver(); + + private LayoutInflater mInflater; + + private DragLayer mDragLayer; + private Workspace mWorkspace; + + private AppWidgetManager mAppWidgetManager; + private LauncherAppWidgetHost mAppWidgetHost; + + static final int APPWIDGET_HOST_ID = 1024; + + private CellLayout.CellInfo mAddItemCellInfo; + private CellLayout.CellInfo mMenuAddInfo; + private final int[] mCellCoordinates = new int[2]; + private FolderInfo mFolderInfo; + + private SlidingDrawer mDrawer; + private TransitionDrawable mHandleIcon; + private HandleView mHandleView; + private AllAppsGridView mAllAppsGrid; + + private boolean mDesktopLocked = true; + private Bundle mSavedState; + + private SpannableStringBuilder mDefaultKeySsb = null; + + private boolean mDestroyed; + + private boolean mIsNewIntent; + + private boolean mRestoring; + private boolean mWaitingForResult; + private boolean mLocaleChanged; + + private boolean mHomeDown; + private boolean mBackDown; + + private Bundle mSavedInstanceState; + + private DesktopBinder mBinder; + + @Override + protected void onCreate(Bundle savedInstanceState) { + super.onCreate(savedInstanceState); + mInflater = getLayoutInflater(); + + mAppWidgetManager = AppWidgetManager.getInstance(this); + + mAppWidgetHost = new LauncherAppWidgetHost(this, APPWIDGET_HOST_ID); + mAppWidgetHost.startListening(); + + if (PROFILE_STARTUP) { + android.os.Debug.startMethodTracing("/sdcard/launcher"); + } + + checkForLocaleChange(); + setWallpaperDimension(); + + setContentView(R.layout.launcher); + setupViews(); + + registerIntentReceivers(); + registerContentObservers(); + + mSavedState = savedInstanceState; + restoreState(mSavedState); + + if (PROFILE_STARTUP) { + android.os.Debug.stopMethodTracing(); + } + + if (!mRestoring) { + startLoaders(); + } + + // For handling default keys + mDefaultKeySsb = new SpannableStringBuilder(); + Selection.setSelection(mDefaultKeySsb, 0); + } + + private void checkForLocaleChange() { + final LocaleConfiguration localeConfiguration = new LocaleConfiguration(); + readConfiguration(this, localeConfiguration); + + final Configuration configuration = getResources().getConfiguration(); + + final String previousLocale = localeConfiguration.locale; + final String locale = configuration.locale.toString(); + + final int previousMcc = localeConfiguration.mcc; + final int mcc = configuration.mcc; + + final int previousMnc = localeConfiguration.mnc; + final int mnc = configuration.mnc; + + mLocaleChanged = !locale.equals(previousLocale) || mcc != previousMcc || mnc != previousMnc; + + if (mLocaleChanged) { + localeConfiguration.locale = locale; + localeConfiguration.mcc = mcc; + localeConfiguration.mnc = mnc; + + writeConfiguration(this, localeConfiguration); + } + } + + private static class LocaleConfiguration { + public String locale; + public int mcc = -1; + public int mnc = -1; + } + + private static void readConfiguration(Context context, LocaleConfiguration configuration) { + DataInputStream in = null; + try { + in = new DataInputStream(context.openFileInput(PREFERENCES)); + configuration.locale = in.readUTF(); + configuration.mcc = in.readInt(); + configuration.mnc = in.readInt(); + } catch (FileNotFoundException e) { + // Ignore + } catch (IOException e) { + // Ignore + } finally { + if (in != null) { + try { + in.close(); + } catch (IOException e) { + // Ignore + } + } + } + } + + private static void writeConfiguration(Context context, LocaleConfiguration configuration) { + DataOutputStream out = null; + try { + out = new DataOutputStream(context.openFileOutput(PREFERENCES, MODE_PRIVATE)); + out.writeUTF(configuration.locale); + out.writeInt(configuration.mcc); + out.writeInt(configuration.mnc); + out.flush(); + } catch (FileNotFoundException e) { + // Ignore + } catch (IOException e) { + //noinspection ResultOfMethodCallIgnored + context.getFileStreamPath(PREFERENCES).delete(); + } finally { + if (out != null) { + try { + out.close(); + } catch (IOException e) { + // Ignore + } + } + } + } + + static int getScreen() { + synchronized (sLock) { + return sScreen; + } + } + + static void setScreen(int screen) { + synchronized (sLock) { + sScreen = screen; + } + } + + private void startLoaders() { + boolean loadApplications = sModel.loadApplications(true, this, mLocaleChanged); + sModel.loadUserItems(!mLocaleChanged, this, mLocaleChanged, loadApplications); + + mRestoring = false; + } + + private void setWallpaperDimension() { + IBinder binder = ServiceManager.getService(WALLPAPER_SERVICE); + IWallpaperService wallpaperService = IWallpaperService.Stub.asInterface(binder); + + Display display = getWindowManager().getDefaultDisplay(); + boolean isPortrait = display.getWidth() < display.getHeight(); + + final int width = isPortrait ? display.getWidth() : display.getHeight(); + final int height = isPortrait ? display.getHeight() : display.getWidth(); + try { + wallpaperService.setDimensionHints(width * WALLPAPER_SCREENS_SPAN, height); + } catch (RemoteException e) { + // System is dead! + } + } + + @Override + protected void onActivityResult(int requestCode, int resultCode, Intent data) { + mWaitingForResult = false; + + // The pattern used here is that a user PICKs a specific application, + // which, depending on the target, might need to CREATE the actual target. + + // For example, the user would PICK_SHORTCUT for "Music playlist", and we + // launch over to the Music app to actually CREATE_SHORTCUT. + + if (resultCode == RESULT_OK && mAddItemCellInfo != null) { + switch (requestCode) { + case REQUEST_PICK_APPLICATION: + completeAddApplication(this, data, mAddItemCellInfo, !mDesktopLocked); + break; + case REQUEST_PICK_SHORTCUT: + processShortcut(data, REQUEST_PICK_APPLICATION, REQUEST_CREATE_SHORTCUT); + break; + case REQUEST_CREATE_SHORTCUT: + completeAddShortcut(data, mAddItemCellInfo, !mDesktopLocked); + break; + case REQUEST_PICK_LIVE_FOLDER: + addLiveFolder(data); + break; + case REQUEST_CREATE_LIVE_FOLDER: + completeAddLiveFolder(data, mAddItemCellInfo, !mDesktopLocked); + break; + case REQUEST_PICK_APPWIDGET: + addAppWidget(data); + break; + case REQUEST_CREATE_APPWIDGET: + completeAddAppWidget(data, mAddItemCellInfo, !mDesktopLocked); + break; + } + } else if (requestCode == REQUEST_PICK_APPWIDGET && + resultCode == RESULT_CANCELED && data != null) { + // Clean up the appWidgetId if we canceled + int appWidgetId = data.getIntExtra(AppWidgetManager.EXTRA_APPWIDGET_ID, -1); + if (appWidgetId != -1) { + mAppWidgetHost.deleteAppWidgetId(appWidgetId); + } + } + } + + @Override + protected void onResume() { + super.onResume(); + + if (mRestoring) { + startLoaders(); + } + + // If this was a new intent (i.e., the mIsNewIntent flag got set to true by + // onNewIntent), then close the search dialog if needed, because it probably + // came from the user pressing 'home' (rather than, for example, pressing 'back'). + if (mIsNewIntent) { + // Post to a handler so that this happens after the search dialog tries to open + // itself again. + mWorkspace.post(new Runnable() { + public void run() { + ISearchManager searchManagerService = ISearchManager.Stub.asInterface( + ServiceManager.getService(Context.SEARCH_SERVICE)); + try { + searchManagerService.stopSearch(); + } catch (RemoteException e) { + e(LOG_TAG, "error stopping search", e); + } + } + }); + } + + mIsNewIntent = false; + } + + @Override + protected void onPause() { + super.onPause(); + closeDrawer(false); + } + + @Override + public Object onRetainNonConfigurationInstance() { + // Flag any binder to stop early before switching + if (mBinder != null) { + mBinder.mTerminate = true; + } + + if (PROFILE_ROTATE) { + android.os.Debug.startMethodTracing("/sdcard/launcher-rotate"); + } + return null; + } + + private boolean acceptFilter() { + final InputMethodManager inputManager = (InputMethodManager) + getSystemService(Context.INPUT_METHOD_SERVICE); + return !inputManager.isFullscreenMode(); + } + + @Override + public boolean onKeyDown(int keyCode, KeyEvent event) { + boolean handled = super.onKeyDown(keyCode, event); + if (!handled && acceptFilter() && keyCode != KeyEvent.KEYCODE_ENTER) { + boolean gotKey = TextKeyListener.getInstance().onKeyDown(mWorkspace, mDefaultKeySsb, + keyCode, event); + if (gotKey && mDefaultKeySsb != null && mDefaultKeySsb.length() > 0) { + // something usable has been typed - start a search + // the typed text will be retrieved and cleared by + // showSearchDialog() + // If there are multiple keystrokes before the search dialog takes focus, + // onSearchRequested() will be called for every keystroke, + // but it is idempotent, so it's fine. + return onSearchRequested(); + } + } + + return handled; + } + + private String getTypedText() { + return mDefaultKeySsb.toString(); + } + + private void clearTypedText() { + mDefaultKeySsb.clear(); + mDefaultKeySsb.clearSpans(); + Selection.setSelection(mDefaultKeySsb, 0); + } + + /** + * Restores the previous state, if it exists. + * + * @param savedState The previous state. + */ + private void restoreState(Bundle savedState) { + if (savedState == null) { + return; + } + + final int currentScreen = savedState.getInt(RUNTIME_STATE_CURRENT_SCREEN, -1); + if (currentScreen > -1) { + mWorkspace.setCurrentScreen(currentScreen); + } + + final int addScreen = savedState.getInt(RUNTIME_STATE_PENDING_ADD_SCREEN, -1); + if (addScreen > -1) { + mAddItemCellInfo = new CellLayout.CellInfo(); + final CellLayout.CellInfo addItemCellInfo = mAddItemCellInfo; + addItemCellInfo.valid = true; + addItemCellInfo.screen = addScreen; + addItemCellInfo.cellX = savedState.getInt(RUNTIME_STATE_PENDING_ADD_CELL_X); + addItemCellInfo.cellY = savedState.getInt(RUNTIME_STATE_PENDING_ADD_CELL_Y); + addItemCellInfo.spanX = savedState.getInt(RUNTIME_STATE_PENDING_ADD_SPAN_X); + addItemCellInfo.spanY = savedState.getInt(RUNTIME_STATE_PENDING_ADD_SPAN_Y); + addItemCellInfo.findVacantCellsFromOccupied( + savedState.getBooleanArray(RUNTIME_STATE_PENDING_ADD_OCCUPIED_CELLS), + savedState.getInt(RUNTIME_STATE_PENDING_ADD_COUNT_X), + savedState.getInt(RUNTIME_STATE_PENDING_ADD_COUNT_Y)); + mRestoring = true; + } + + boolean renameFolder = savedState.getBoolean(RUNTIME_STATE_PENDING_FOLDER_RENAME, false); + if (renameFolder) { + long id = savedState.getLong(RUNTIME_STATE_PENDING_FOLDER_RENAME_ID); + mFolderInfo = sModel.getFolderById(this, id); + mRestoring = true; + } + } + + /** + * Finds all the views we need and configure them properly. + */ + private void setupViews() { + mDragLayer = (DragLayer) findViewById(R.id.drag_layer); + final DragLayer dragLayer = mDragLayer; + + mWorkspace = (Workspace) dragLayer.findViewById(R.id.workspace); + final Workspace workspace = mWorkspace; + + mDrawer = (SlidingDrawer) dragLayer.findViewById(R.id.drawer); + final SlidingDrawer drawer = mDrawer; + + mAllAppsGrid = (AllAppsGridView) drawer.getContent(); + final AllAppsGridView grid = mAllAppsGrid; + + final DeleteZone deleteZone = (DeleteZone) dragLayer.findViewById(R.id.delete_zone); + + mHandleView = (HandleView) drawer.findViewById(R.id.all_apps); + mHandleView.setLauncher(this); + mHandleIcon = (TransitionDrawable) mHandleView.getDrawable(); + mHandleIcon.setCrossFadeEnabled(true); + + drawer.lock(); + final DrawerManager drawerManager = new DrawerManager(); + drawer.setOnDrawerOpenListener(drawerManager); + drawer.setOnDrawerCloseListener(drawerManager); + drawer.setOnDrawerScrollListener(drawerManager); + + grid.setTextFilterEnabled(false); + grid.setDragger(dragLayer); + grid.setLauncher(this); + + workspace.setOnLongClickListener(this); + workspace.setDragger(dragLayer); + workspace.setLauncher(this); + loadWallpaper(); + + deleteZone.setLauncher(this); + deleteZone.setDragController(dragLayer); + deleteZone.setHandle(mHandleView); + + dragLayer.setIgnoredDropTarget(grid); + dragLayer.setDragScoller(workspace); + dragLayer.setDragListener(deleteZone); + } + + /** + * Creates a view representing a shortcut. + * + * @param info The data structure describing the shortcut. + * + * @return A View inflated from R.layout.application. + */ + View createShortcut(ApplicationInfo info) { + return createShortcut(R.layout.application, + (ViewGroup) mWorkspace.getChildAt(mWorkspace.getCurrentScreen()), info); + } + + /** + * Creates a view representing a shortcut inflated from the specified resource. + * + * @param layoutResId The id of the XML layout used to create the shortcut. + * @param parent The group the shortcut belongs to. + * @param info The data structure describing the shortcut. + * + * @return A View inflated from layoutResId. + */ + View createShortcut(int layoutResId, ViewGroup parent, ApplicationInfo info) { + TextView favorite = (TextView) mInflater.inflate(layoutResId, parent, false); + + if (!info.filtered) { + info.icon = Utilities.createIconThumbnail(info.icon, this); + info.filtered = true; + } + + favorite.setCompoundDrawablesWithIntrinsicBounds(null, info.icon, null, null); + favorite.setText(info.title); + favorite.setTag(info); + favorite.setOnClickListener(this); + + return favorite; + } + + /** + * Add an application shortcut to the workspace. + * + * @param data The intent describing the application. + * @param cellInfo The position on screen where to create the shortcut. + */ + void completeAddApplication(Context context, Intent data, CellLayout.CellInfo cellInfo, + boolean insertAtFirst) { + cellInfo.screen = mWorkspace.getCurrentScreen(); + if (!findSingleSlot(cellInfo)) return; + + final ApplicationInfo info = infoFromApplicationIntent(context, data); + if (info != null) { + mWorkspace.addApplicationShortcut(info, cellInfo, insertAtFirst); + } + } + + private static ApplicationInfo infoFromApplicationIntent(Context context, Intent data) { + ComponentName component = data.getComponent(); + PackageManager packageManager = context.getPackageManager(); + ActivityInfo activityInfo = null; + try { + activityInfo = packageManager.getActivityInfo(component, 0 /* no flags */); + } catch (NameNotFoundException e) { + e(LOG_TAG, "Couldn't find ActivityInfo for selected application", e); + } + + if (activityInfo != null) { + ApplicationInfo itemInfo = new ApplicationInfo(); + + itemInfo.title = activityInfo.loadLabel(packageManager); + if (itemInfo.title == null) { + itemInfo.title = activityInfo.name; + } + + itemInfo.setActivity(component, Intent.FLAG_ACTIVITY_NEW_TASK | + Intent.FLAG_ACTIVITY_RESET_TASK_IF_NEEDED); + itemInfo.icon = activityInfo.loadIcon(packageManager); + itemInfo.container = ItemInfo.NO_ID; + + return itemInfo; + } + + return null; + } + + /** + * Add a shortcut to the workspace. + * + * @param data The intent describing the shortcut. + * @param cellInfo The position on screen where to create the shortcut. + * @param insertAtFirst + */ + private void completeAddShortcut(Intent data, CellLayout.CellInfo cellInfo, + boolean insertAtFirst) { + cellInfo.screen = mWorkspace.getCurrentScreen(); + if (!findSingleSlot(cellInfo)) return; + + final ApplicationInfo info = addShortcut(this, data, cellInfo, false); + + if (!mRestoring) { + sModel.addDesktopItem(info); + + final View view = createShortcut(info); + mWorkspace.addInCurrentScreen(view, cellInfo.cellX, cellInfo.cellY, 1, 1, insertAtFirst); + } else if (sModel.isDesktopLoaded()) { + sModel.addDesktopItem(info); + } + } + + + /** + * Add a widget to the workspace. + * + * @param data The intent describing the appWidgetId. + * @param cellInfo The position on screen where to create the widget. + */ + private void completeAddAppWidget(Intent data, CellLayout.CellInfo cellInfo, + boolean insertAtFirst) { + + Bundle extras = data.getExtras(); + int appWidgetId = extras.getInt(AppWidgetManager.EXTRA_APPWIDGET_ID, -1); + + d(LOG_TAG, "dumping extras content="+extras.toString()); + + AppWidgetProviderInfo appWidgetInfo = mAppWidgetManager.getAppWidgetInfo(appWidgetId); + + // Calculate the grid spans needed to fit this widget + CellLayout layout = (CellLayout) mWorkspace.getChildAt(cellInfo.screen); + int[] spans = layout.rectToCell(appWidgetInfo.minWidth, appWidgetInfo.minHeight); + + // Try finding open space on Launcher screen + final int[] xy = mCellCoordinates; + if (!findSlot(cellInfo, xy, spans[0], spans[1])) return; + + // Build Launcher-specific widget info and save to database + LauncherAppWidgetInfo launcherInfo = new LauncherAppWidgetInfo(appWidgetId); + launcherInfo.spanX = spans[0]; + launcherInfo.spanY = spans[1]; + + LauncherModel.addItemToDatabase(this, launcherInfo, + LauncherSettings.Favorites.CONTAINER_DESKTOP, + mWorkspace.getCurrentScreen(), xy[0], xy[1], false); + + if (!mRestoring) { + sModel.addDesktopAppWidget(launcherInfo); + + // Perform actual inflation because we're live + launcherInfo.hostView = mAppWidgetHost.createView(this, appWidgetId, appWidgetInfo); + + launcherInfo.hostView.setAppWidget(appWidgetId, appWidgetInfo); + launcherInfo.hostView.setTag(launcherInfo); + + mWorkspace.addInCurrentScreen(launcherInfo.hostView, xy[0], xy[1], + launcherInfo.spanX, launcherInfo.spanY, insertAtFirst); + } else if (sModel.isDesktopLoaded()) { + sModel.addDesktopAppWidget(launcherInfo); + } + } + + public LauncherAppWidgetHost getAppWidgetHost() { + return mAppWidgetHost; + } + + static ApplicationInfo addShortcut(Context context, Intent data, + CellLayout.CellInfo cellInfo, boolean notify) { + + final ApplicationInfo info = infoFromShortcutIntent(context, data); + LauncherModel.addItemToDatabase(context, info, LauncherSettings.Favorites.CONTAINER_DESKTOP, + cellInfo.screen, cellInfo.cellX, cellInfo.cellY, notify); + + return info; + } + + private static ApplicationInfo infoFromShortcutIntent(Context context, Intent data) { + Intent intent = data.getParcelableExtra(Intent.EXTRA_SHORTCUT_INTENT); + String name = data.getStringExtra(Intent.EXTRA_SHORTCUT_NAME); + Bitmap bitmap = data.getParcelableExtra(Intent.EXTRA_SHORTCUT_ICON); + + Drawable icon = null; + boolean filtered = false; + boolean customIcon = false; + ShortcutIconResource iconResource = null; + + if (bitmap != null) { + icon = new FastBitmapDrawable(Utilities.createBitmapThumbnail(bitmap, context)); + filtered = true; + customIcon = true; + } else { + Parcelable extra = data.getParcelableExtra(Intent.EXTRA_SHORTCUT_ICON_RESOURCE); + if (extra != null && extra instanceof ShortcutIconResource) { + try { + iconResource = (ShortcutIconResource) extra; + final PackageManager packageManager = context.getPackageManager(); + Resources resources = packageManager.getResourcesForApplication( + iconResource.packageName); + final int id = resources.getIdentifier(iconResource.resourceName, null, null); + icon = resources.getDrawable(id); + } catch (Exception e) { + w(LOG_TAG, "Could not load shortcut icon: " + extra); + } + } + } + + if (icon == null) { + icon = context.getPackageManager().getDefaultActivityIcon(); + } + + final ApplicationInfo info = new ApplicationInfo(); + info.icon = icon; + info.filtered = filtered; + info.title = name; + info.intent = intent; + info.customIcon = customIcon; + info.iconResource = iconResource; + + return info; + } + + @Override + protected void onNewIntent(Intent intent) { + super.onNewIntent(intent); + + // Close the menu + if (Intent.ACTION_MAIN.equals(intent.getAction())) { + getWindow().closeAllPanels(); + + // Set this flag so that onResume knows to close the search dialog if it's open, + // because this was a new intent (thus a press of 'home' or some such) rather than + // for example onResume being called when the user pressed the 'back' button. + mIsNewIntent = true; + + try { + dismissDialog(DIALOG_CREATE_SHORTCUT); + // Unlock the workspace if the dialog was showing + mWorkspace.unlock(); + } catch (Exception e) { + // An exception is thrown if the dialog is not visible, which is fine + } + + try { + dismissDialog(DIALOG_RENAME_FOLDER); + // Unlock the workspace if the dialog was showing + mWorkspace.unlock(); + } catch (Exception e) { + // An exception is thrown if the dialog is not visible, which is fine + } + + if ((intent.getFlags() & Intent.FLAG_ACTIVITY_BROUGHT_TO_FRONT) != + Intent.FLAG_ACTIVITY_BROUGHT_TO_FRONT) { + + if (!mWorkspace.isDefaultScreenShowing()) { + mWorkspace.moveToDefaultScreen(); + } + + closeDrawer(); + + final View v = getWindow().peekDecorView(); + if (v != null && v.getWindowToken() != null) { + InputMethodManager imm = (InputMethodManager)getSystemService( + INPUT_METHOD_SERVICE); + imm.hideSoftInputFromWindow(v.getWindowToken(), 0); + } + } else { + closeDrawer(false); + } + } + } + + @Override + protected void onRestoreInstanceState(Bundle savedInstanceState) { + // Do not call super here + mSavedInstanceState = savedInstanceState; + } + + @Override + protected void onSaveInstanceState(Bundle outState) { + outState.putInt(RUNTIME_STATE_CURRENT_SCREEN, mWorkspace.getCurrentScreen()); + + final ArrayList<Folder> folders = mWorkspace.getOpenFolders(); + if (folders.size() > 0) { + final int count = folders.size(); + long[] ids = new long[count]; + for (int i = 0; i < count; i++) { + final FolderInfo info = folders.get(i).getInfo(); + ids[i] = info.id; + } + outState.putLongArray(RUNTIME_STATE_USER_FOLDERS, ids); + } else { + super.onSaveInstanceState(outState); + } + + final boolean isConfigurationChange = getChangingConfigurations() != 0; + + // When the drawer is opened and we are saving the state because of a + // configuration change + if (mDrawer.isOpened() && isConfigurationChange) { + outState.putBoolean(RUNTIME_STATE_ALL_APPS_FOLDER, true); + } + + if (mAddItemCellInfo != null && mAddItemCellInfo.valid && mWaitingForResult) { + final CellLayout.CellInfo addItemCellInfo = mAddItemCellInfo; + final CellLayout layout = (CellLayout) mWorkspace.getChildAt(addItemCellInfo.screen); + + outState.putInt(RUNTIME_STATE_PENDING_ADD_SCREEN, addItemCellInfo.screen); + outState.putInt(RUNTIME_STATE_PENDING_ADD_CELL_X, addItemCellInfo.cellX); + outState.putInt(RUNTIME_STATE_PENDING_ADD_CELL_Y, addItemCellInfo.cellY); + outState.putInt(RUNTIME_STATE_PENDING_ADD_SPAN_X, addItemCellInfo.spanX); + outState.putInt(RUNTIME_STATE_PENDING_ADD_SPAN_Y, addItemCellInfo.spanY); + outState.putInt(RUNTIME_STATE_PENDING_ADD_COUNT_X, layout.getCountX()); + outState.putInt(RUNTIME_STATE_PENDING_ADD_COUNT_Y, layout.getCountY()); + outState.putBooleanArray(RUNTIME_STATE_PENDING_ADD_OCCUPIED_CELLS, + layout.getOccupiedCells()); + } + + if (mFolderInfo != null && mWaitingForResult) { + outState.putBoolean(RUNTIME_STATE_PENDING_FOLDER_RENAME, true); + outState.putLong(RUNTIME_STATE_PENDING_FOLDER_RENAME_ID, mFolderInfo.id); + } + } + + @Override + public void onDestroy() { + mDestroyed = true; + + super.onDestroy(); + + try { + mAppWidgetHost.stopListening(); + } catch (NullPointerException ex) { + w(LOG_TAG, "problem while stopping AppWidgetHost during Launcher destruction", ex); + } + + TextKeyListener.getInstance().release(); + + mAllAppsGrid.clearTextFilter(); + mAllAppsGrid.setAdapter(null); + sModel.unbind(); + sModel.abortLoaders(); + + getContentResolver().unregisterContentObserver(mObserver); + unregisterReceiver(mApplicationsReceiver); + } + + @Override + public void startActivityForResult(Intent intent, int requestCode) { + if (requestCode >= 0) mWaitingForResult = true; + super.startActivityForResult(intent, requestCode); + } + + @Override + public void startSearch(String initialQuery, boolean selectInitialQuery, + Bundle appSearchData, boolean globalSearch) { + + closeDrawer(false); + + // Slide the search widget to the top, if it's on the current screen, + // otherwise show the search dialog immediately. + Search searchWidget = mWorkspace.findSearchWidgetOnCurrentScreen(); + if (searchWidget == null) { + showSearchDialog(initialQuery, selectInitialQuery, appSearchData, globalSearch); + } else { + searchWidget.startSearch(initialQuery, selectInitialQuery, appSearchData, globalSearch); + // show the currently typed text in the search widget while sliding + searchWidget.setQuery(getTypedText()); + } + } + + /** + * Show the search dialog immediately, without changing the search widget. + * + * @see Activity#startSearch(String, boolean, android.os.Bundle, boolean) + */ + void showSearchDialog(String initialQuery, boolean selectInitialQuery, + Bundle appSearchData, boolean globalSearch) { + + if (initialQuery == null) { + // Use any text typed in the launcher as the initial query + initialQuery = getTypedText(); + clearTypedText(); + } + if (appSearchData == null) { + appSearchData = new Bundle(); + appSearchData.putString(SearchManager.SOURCE, "launcher-search"); + } + + final SearchManager searchManager = + (SearchManager) getSystemService(Context.SEARCH_SERVICE); + + final Search searchWidget = mWorkspace.findSearchWidgetOnCurrentScreen(); + if (searchWidget != null) { + // This gets called when the user leaves the search dialog to go back to + // the Launcher. + searchManager.setOnCancelListener(new SearchManager.OnCancelListener() { + public void onCancel() { + searchManager.setOnCancelListener(null); + stopSearch(); + } + }); + } + + searchManager.startSearch(initialQuery, selectInitialQuery, getComponentName(), + appSearchData, globalSearch); + } + + /** + * Cancel search dialog if it is open. + */ + void stopSearch() { + // Close search dialog + SearchManager searchManager = (SearchManager) getSystemService(Context.SEARCH_SERVICE); + searchManager.stopSearch(); + // Restore search widget to its normal position + Search searchWidget = mWorkspace.findSearchWidgetOnCurrentScreen(); + if (searchWidget != null) { + searchWidget.stopSearch(false); + } + } + + @Override + public boolean onCreateOptionsMenu(Menu menu) { + if (mDesktopLocked) return false; + + super.onCreateOptionsMenu(menu); + menu.add(MENU_GROUP_ADD, MENU_ADD, 0, R.string.menu_add) + .setIcon(android.R.drawable.ic_menu_add) + .setAlphabeticShortcut('A'); + menu.add(0, MENU_WALLPAPER_SETTINGS, 0, R.string.menu_wallpaper) + .setIcon(android.R.drawable.ic_menu_gallery) + .setAlphabeticShortcut('W'); + menu.add(0, MENU_SEARCH, 0, R.string.menu_search) + .setIcon(android.R.drawable.ic_search_category_default) + .setAlphabeticShortcut(SearchManager.MENU_KEY); + menu.add(0, MENU_NOTIFICATIONS, 0, R.string.menu_notifications) + .setIcon(com.android.internal.R.drawable.ic_menu_notifications) + .setAlphabeticShortcut('N'); + + final Intent settings = new Intent(android.provider.Settings.ACTION_SETTINGS); + settings.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK | + Intent.FLAG_ACTIVITY_RESET_TASK_IF_NEEDED); + + menu.add(0, MENU_SETTINGS, 0, R.string.menu_settings) + .setIcon(android.R.drawable.ic_menu_preferences).setAlphabeticShortcut('P') + .setIntent(settings); + + return true; + } + + @Override + public boolean onPrepareOptionsMenu(Menu menu) { + super.onPrepareOptionsMenu(menu); + + mMenuAddInfo = mWorkspace.findAllVacantCells(null); + menu.setGroupEnabled(MENU_GROUP_ADD, mMenuAddInfo != null && mMenuAddInfo.valid); + + return true; + } + + @Override + public boolean onOptionsItemSelected(MenuItem item) { + switch (item.getItemId()) { + case MENU_ADD: + addItems(); + return true; + case MENU_WALLPAPER_SETTINGS: + startWallpaper(); + return true; + case MENU_SEARCH: + onSearchRequested(); + return true; + case MENU_NOTIFICATIONS: + showNotifications(); + return true; + } + + return super.onOptionsItemSelected(item); + } + + /** + * Indicates that we want global search for this activity by setting the globalSearch + * argument for {@link #startSearch} to true. + */ + + @Override + public boolean onSearchRequested() { + startSearch(null, false, null, true); + return true; + } + + private void addItems() { + showAddDialog(mMenuAddInfo); + } + + private void removeShortcutsForPackage(String packageName) { + if (packageName != null && packageName.length() > 0) { + mWorkspace.removeShortcutsForPackage(packageName); + } + } + + private void updateShortcutsForPackage(String packageName) { + if (packageName != null && packageName.length() > 0) { + mWorkspace.updateShortcutsForPackage(packageName); + } + } + + void addAppWidget(Intent data) { + // TODO: catch bad widget exception when sent + int appWidgetId = data.getIntExtra(AppWidgetManager.EXTRA_APPWIDGET_ID, -1); + + String customWidget = data.getStringExtra(EXTRA_CUSTOM_WIDGET); + if (SEARCH_WIDGET.equals(customWidget)) { + // We don't need this any more, since this isn't a real app widget. + mAppWidgetHost.deleteAppWidgetId(appWidgetId); + // add the search widget + addSearch(); + } else { + AppWidgetProviderInfo appWidget = mAppWidgetManager.getAppWidgetInfo(appWidgetId); + + if (appWidget.configure != null) { + // Launch over to configure widget, if needed + Intent intent = new Intent(AppWidgetManager.ACTION_APPWIDGET_CONFIGURE); + intent.setComponent(appWidget.configure); + intent.putExtra(AppWidgetManager.EXTRA_APPWIDGET_ID, appWidgetId); + + startActivityForResult(intent, REQUEST_CREATE_APPWIDGET); + } else { + // Otherwise just add it + onActivityResult(REQUEST_CREATE_APPWIDGET, Activity.RESULT_OK, data); + } + } + } + + void addSearch() { + final Widget info = Widget.makeSearch(); + final CellLayout.CellInfo cellInfo = mAddItemCellInfo; + + final int[] xy = mCellCoordinates; + final int spanX = info.spanX; + final int spanY = info.spanY; + + if (!findSlot(cellInfo, xy, spanX, spanY)) return; + + sModel.addDesktopItem(info); + LauncherModel.addItemToDatabase(this, info, LauncherSettings.Favorites.CONTAINER_DESKTOP, + mWorkspace.getCurrentScreen(), xy[0], xy[1], false); + + final View view = mInflater.inflate(info.layoutResource, null); + view.setTag(info); + Search search = (Search) view.findViewById(R.id.widget_search); + search.setLauncher(this); + + mWorkspace.addInCurrentScreen(view, xy[0], xy[1], info.spanX, spanY); + } + + void processShortcut(Intent intent, int requestCodeApplication, int requestCodeShortcut) { + // Handle case where user selected "Applications" + String applicationName = getResources().getString(R.string.group_applications); + String shortcutName = intent.getStringExtra(Intent.EXTRA_SHORTCUT_NAME); + + if (applicationName != null && applicationName.equals(shortcutName)) { + Intent mainIntent = new Intent(Intent.ACTION_MAIN, null); + mainIntent.addCategory(Intent.CATEGORY_LAUNCHER); + + Intent pickIntent = new Intent(Intent.ACTION_PICK_ACTIVITY); + pickIntent.putExtra(Intent.EXTRA_INTENT, mainIntent); + startActivityForResult(pickIntent, requestCodeApplication); + } else { + startActivityForResult(intent, requestCodeShortcut); + } + } + + void addLiveFolder(Intent intent) { + // Handle case where user selected "Folder" + String folderName = getResources().getString(R.string.group_folder); + String shortcutName = intent.getStringExtra(Intent.EXTRA_SHORTCUT_NAME); + + if (folderName != null && folderName.equals(shortcutName)) { + addFolder(!mDesktopLocked); + } else { + startActivityForResult(intent, REQUEST_CREATE_LIVE_FOLDER); + } + } + + void addFolder(boolean insertAtFirst) { + UserFolderInfo folderInfo = new UserFolderInfo(); + folderInfo.title = getText(R.string.folder_name); + + CellLayout.CellInfo cellInfo = mAddItemCellInfo; + cellInfo.screen = mWorkspace.getCurrentScreen(); + if (!findSingleSlot(cellInfo)) return; + + // Update the model + LauncherModel.addItemToDatabase(this, folderInfo, LauncherSettings.Favorites.CONTAINER_DESKTOP, + mWorkspace.getCurrentScreen(), cellInfo.cellX, cellInfo.cellY, false); + sModel.addDesktopItem(folderInfo); + sModel.addFolder(folderInfo); + + // Create the view + FolderIcon newFolder = FolderIcon.fromXml(R.layout.folder_icon, this, + (ViewGroup) mWorkspace.getChildAt(mWorkspace.getCurrentScreen()), folderInfo); + mWorkspace.addInCurrentScreen(newFolder, + cellInfo.cellX, cellInfo.cellY, 1, 1, insertAtFirst); + } + + private void completeAddLiveFolder(Intent data, CellLayout.CellInfo cellInfo, + boolean insertAtFirst) { + cellInfo.screen = mWorkspace.getCurrentScreen(); + if (!findSingleSlot(cellInfo)) return; + + final LiveFolderInfo info = addLiveFolder(this, data, cellInfo, false); + + if (!mRestoring) { + sModel.addDesktopItem(info); + + final View view = LiveFolderIcon.fromXml(R.layout.live_folder_icon, this, + (ViewGroup) mWorkspace.getChildAt(mWorkspace.getCurrentScreen()), info); + mWorkspace.addInCurrentScreen(view, cellInfo.cellX, cellInfo.cellY, 1, 1, insertAtFirst); + } else if (sModel.isDesktopLoaded()) { + sModel.addDesktopItem(info); + } + } + + static LiveFolderInfo addLiveFolder(Context context, Intent data, + CellLayout.CellInfo cellInfo, boolean notify) { + + Intent baseIntent = data.getParcelableExtra(LiveFolders.EXTRA_LIVE_FOLDER_BASE_INTENT); + String name = data.getStringExtra(LiveFolders.EXTRA_LIVE_FOLDER_NAME); + + Drawable icon = null; + boolean filtered = false; + Intent.ShortcutIconResource iconResource = null; + + Parcelable extra = data.getParcelableExtra(LiveFolders.EXTRA_LIVE_FOLDER_ICON); + if (extra != null && extra instanceof Intent.ShortcutIconResource) { + try { + iconResource = (Intent.ShortcutIconResource) extra; + final PackageManager packageManager = context.getPackageManager(); + Resources resources = packageManager.getResourcesForApplication( + iconResource.packageName); + final int id = resources.getIdentifier(iconResource.resourceName, null, null); + icon = resources.getDrawable(id); + } catch (Exception e) { + w(LOG_TAG, "Could not load live folder icon: " + extra); + } + } + + if (icon == null) { + icon = context.getResources().getDrawable(R.drawable.ic_launcher_folder); + } + + final LiveFolderInfo info = new LiveFolderInfo(); + info.icon = icon; + info.filtered = filtered; + info.title = name; + info.iconResource = iconResource; + info.uri = data.getData(); + info.baseIntent = baseIntent; + info.displayMode = data.getIntExtra(LiveFolders.EXTRA_LIVE_FOLDER_DISPLAY_MODE, + LiveFolders.DISPLAY_MODE_GRID); + + LauncherModel.addItemToDatabase(context, info, LauncherSettings.Favorites.CONTAINER_DESKTOP, + cellInfo.screen, cellInfo.cellX, cellInfo.cellY, notify); + sModel.addFolder(info); + + return info; + } + + private boolean findSingleSlot(CellLayout.CellInfo cellInfo) { + final int[] xy = new int[2]; + if (findSlot(cellInfo, xy, 1, 1)) { + cellInfo.cellX = xy[0]; + cellInfo.cellY = xy[1]; + return true; + } + return false; + } + + private boolean findSlot(CellLayout.CellInfo cellInfo, int[] xy, int spanX, int spanY) { + if (!cellInfo.findCellForSpan(xy, spanX, spanY)) { + boolean[] occupied = mSavedState != null ? + mSavedState.getBooleanArray(RUNTIME_STATE_PENDING_ADD_OCCUPIED_CELLS) : null; + cellInfo = mWorkspace.findAllVacantCells(occupied); + if (!cellInfo.findCellForSpan(xy, spanX, spanY)) { + Toast.makeText(this, getString(R.string.out_of_space), Toast.LENGTH_SHORT).show(); + return false; + } + } + return true; + } + + private void showNotifications() { + final StatusBarManager statusBar = (StatusBarManager) getSystemService(STATUS_BAR_SERVICE); + if (statusBar != null) { + statusBar.expand(); + } + } + + private void startWallpaper() { + final Intent pickWallpaper = new Intent(Intent.ACTION_SET_WALLPAPER); + startActivity(Intent.createChooser(pickWallpaper, getString(R.string.chooser_wallpaper))); + } + + /** + * Registers various intent receivers. The current implementation registers + * only a wallpaper intent receiver to let other applications change the + * wallpaper. + */ + private void registerIntentReceivers() { + if (sWallpaperReceiver == null) { + final Application application = getApplication(); + + sWallpaperReceiver = new WallpaperIntentReceiver(application, this); + + IntentFilter filter = new IntentFilter(Intent.ACTION_WALLPAPER_CHANGED); + application.registerReceiver(sWallpaperReceiver, filter); + } else { + sWallpaperReceiver.setLauncher(this); + } + + IntentFilter filter = new IntentFilter(Intent.ACTION_PACKAGE_ADDED); + filter.addAction(Intent.ACTION_PACKAGE_REMOVED); + filter.addAction(Intent.ACTION_PACKAGE_CHANGED); + filter.addDataScheme("package"); + registerReceiver(mApplicationsReceiver, filter); + } + + /** + * Registers various content observers. The current implementation registers + * only a favorites observer to keep track of the favorites applications. + */ + private void registerContentObservers() { + ContentResolver resolver = getContentResolver(); + resolver.registerContentObserver(LauncherSettings.Favorites.CONTENT_URI, true, mObserver); + } + + @Override + public void onWindowFocusChanged(boolean hasFocus) { + super.onWindowFocusChanged(hasFocus); + if (!hasFocus) { + mBackDown = mHomeDown = false; + } + } + + @Override + public boolean dispatchKeyEvent(KeyEvent event) { + if (event.getAction() == KeyEvent.ACTION_DOWN) { + switch (event.getKeyCode()) { + case KeyEvent.KEYCODE_BACK: + mBackDown = true; + return true; + case KeyEvent.KEYCODE_HOME: + mHomeDown = true; + return true; + } + } else if (event.getAction() == KeyEvent.ACTION_UP) { + switch (event.getKeyCode()) { + case KeyEvent.KEYCODE_BACK: + if (!event.isCanceled()) { + mWorkspace.dispatchKeyEvent(event); + if (mDrawer.isOpened()) { + closeDrawer(); + } else { + closeFolder(); + } + } + mBackDown = false; + return true; + case KeyEvent.KEYCODE_HOME: + mHomeDown = false; + return true; + } + } + + return super.dispatchKeyEvent(event); + } + + private void closeDrawer() { + closeDrawer(true); + } + + private void closeDrawer(boolean animated) { + if (mDrawer.isOpened()) { + if (animated) { + mDrawer.animateClose(); + } else { + mDrawer.close(); + } + if (mDrawer.hasFocus()) { + mWorkspace.getChildAt(mWorkspace.getCurrentScreen()).requestFocus(); + } + } + } + + private void closeFolder() { + Folder folder = mWorkspace.getOpenFolder(); + if (folder != null) { + closeFolder(folder); + } + } + + void closeFolder(Folder folder) { + folder.getInfo().opened = false; + ViewGroup parent = (ViewGroup) folder.getParent(); + if (parent != null) { + parent.removeView(folder); + } + folder.onClose(); + } + + /** + * When the notification that favorites have changed is received, requests + * a favorites list refresh. + */ + private void onFavoritesChanged() { + mDesktopLocked = true; + mDrawer.lock(); + sModel.loadUserItems(false, this, false, false); + } + + void onDesktopItemsLoaded() { + if (mDestroyed) return; + bindDesktopItems(); + } + + /** + * Refreshes the shortcuts shown on the workspace. + */ + private void bindDesktopItems() { + final ArrayList<ItemInfo> shortcuts = sModel.getDesktopItems(); + final ArrayList<LauncherAppWidgetInfo> appWidgets = sModel.getDesktopAppWidgets(); + final ApplicationsAdapter drawerAdapter = sModel.getApplicationsAdapter(); + if (shortcuts == null || appWidgets == null || drawerAdapter == null) { + return; + } + + final Workspace workspace = mWorkspace; + int count = workspace.getChildCount(); + for (int i = 0; i < count; i++) { + ((ViewGroup) workspace.getChildAt(i)).removeAllViewsInLayout(); + } + + if (DEBUG_USER_INTERFACE) { + android.widget.Button finishButton = new android.widget.Button(this); + finishButton.setText("Finish"); + workspace.addInScreen(finishButton, 1, 0, 0, 1, 1); + + finishButton.setOnClickListener(new android.widget.Button.OnClickListener() { + public void onClick(View v) { + finish(); + } + }); + } + + // Flag any old binder to terminate early + if (mBinder != null) { + mBinder.mTerminate = true; + } + + mBinder = new DesktopBinder(this, shortcuts, appWidgets, drawerAdapter); + mBinder.startBindingItems(); + } + + private void bindItems(Launcher.DesktopBinder binder, + ArrayList<ItemInfo> shortcuts, int start, int count) { + + final Workspace workspace = mWorkspace; + final boolean desktopLocked = mDesktopLocked; + + final int end = Math.min(start + DesktopBinder.ITEMS_COUNT, count); + int i = start; + + for ( ; i < end; i++) { + final ItemInfo item = shortcuts.get(i); + switch (item.itemType) { + case LauncherSettings.Favorites.ITEM_TYPE_APPLICATION: + case LauncherSettings.Favorites.ITEM_TYPE_SHORTCUT: + final View shortcut = createShortcut((ApplicationInfo) item); + workspace.addInScreen(shortcut, item.screen, item.cellX, item.cellY, 1, 1, + !desktopLocked); + break; + case LauncherSettings.Favorites.ITEM_TYPE_USER_FOLDER: + final FolderIcon newFolder = FolderIcon.fromXml(R.layout.folder_icon, this, + (ViewGroup) workspace.getChildAt(workspace.getCurrentScreen()), + (UserFolderInfo) item); + workspace.addInScreen(newFolder, item.screen, item.cellX, item.cellY, 1, 1, + !desktopLocked); + break; + case LauncherSettings.Favorites.ITEM_TYPE_LIVE_FOLDER: + final FolderIcon newLiveFolder = LiveFolderIcon.fromXml( + R.layout.live_folder_icon, this, + (ViewGroup) workspace.getChildAt(workspace.getCurrentScreen()), + (LiveFolderInfo) item); + workspace.addInScreen(newLiveFolder, item.screen, item.cellX, item.cellY, 1, 1, + !desktopLocked); + break; + case LauncherSettings.Favorites.ITEM_TYPE_WIDGET_SEARCH: + final int screen = workspace.getCurrentScreen(); + final View view = mInflater.inflate(R.layout.widget_search, + (ViewGroup) workspace.getChildAt(screen), false); + + Search search = (Search) view.findViewById(R.id.widget_search); + search.setLauncher(this); + + final Widget widget = (Widget) item; + view.setTag(widget); + + workspace.addWidget(view, widget, !desktopLocked); + break; + } + } + + workspace.requestLayout(); + + if (end >= count) { + finishBindDesktopItems(); + binder.startBindingDrawer(); + } else { + binder.obtainMessage(DesktopBinder.MESSAGE_BIND_ITEMS, i, count).sendToTarget(); + } + } + + private void finishBindDesktopItems() { + if (mSavedState != null) { + if (!mWorkspace.hasFocus()) { + mWorkspace.getChildAt(mWorkspace.getCurrentScreen()).requestFocus(); + } + + final long[] userFolders = mSavedState.getLongArray(RUNTIME_STATE_USER_FOLDERS); + if (userFolders != null) { + for (long folderId : userFolders) { + final FolderInfo info = sModel.findFolderById(folderId); + if (info != null) { + openFolder(info); + } + } + final Folder openFolder = mWorkspace.getOpenFolder(); + if (openFolder != null) { + openFolder.requestFocus(); + } + } + + final boolean allApps = mSavedState.getBoolean(RUNTIME_STATE_ALL_APPS_FOLDER, false); + if (allApps) { + mDrawer.open(); + } + + mSavedState = null; + } + + if (mSavedInstanceState != null) { + super.onRestoreInstanceState(mSavedInstanceState); + mSavedInstanceState = null; + } + + if (mDrawer.isOpened() && !mDrawer.hasFocus()) { + mDrawer.requestFocus(); + } + + mDesktopLocked = false; + mDrawer.unlock(); + } + + private void bindDrawer(Launcher.DesktopBinder binder, + ApplicationsAdapter drawerAdapter) { + mAllAppsGrid.setAdapter(drawerAdapter); + binder.startBindingAppWidgetsWhenIdle(); + } + + private void bindAppWidgets(Launcher.DesktopBinder binder, + LinkedList<LauncherAppWidgetInfo> appWidgets) { + + final Workspace workspace = mWorkspace; + final boolean desktopLocked = mDesktopLocked; + + if (!appWidgets.isEmpty()) { + final LauncherAppWidgetInfo item = appWidgets.removeFirst(); + + final int appWidgetId = item.appWidgetId; + final AppWidgetProviderInfo appWidgetInfo = mAppWidgetManager.getAppWidgetInfo(appWidgetId); + item.hostView = mAppWidgetHost.createView(this, appWidgetId, appWidgetInfo); + + if (LOGD) d(LOG_TAG, String.format("about to setAppWidget for id=%d, info=%s", appWidgetId, appWidgetInfo)); + + item.hostView.setAppWidget(appWidgetId, appWidgetInfo); + item.hostView.setTag(item); + + workspace.addInScreen(item.hostView, item.screen, item.cellX, + item.cellY, item.spanX, item.spanY, !desktopLocked); + + workspace.requestLayout(); + } + + if (appWidgets.isEmpty()) { + if (PROFILE_ROTATE) { + android.os.Debug.stopMethodTracing(); + } + } else { + binder.obtainMessage(DesktopBinder.MESSAGE_BIND_APPWIDGETS).sendToTarget(); + } + } + + DragController getDragController() { + return mDragLayer; + } + + /** + * Launches the intent referred by the clicked shortcut. + * + * @param v The view representing the clicked shortcut. + */ + public void onClick(View v) { + Object tag = v.getTag(); + if (tag instanceof ApplicationInfo) { + // Open shortcut + final Intent intent = ((ApplicationInfo) tag).intent; + startActivitySafely(intent); + } else if (tag instanceof FolderInfo) { + handleFolderClick((FolderInfo) tag); + } + } + + void startActivitySafely(Intent intent) { + intent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK); + try { + startActivity(intent); + } catch (ActivityNotFoundException e) { + Toast.makeText(this, R.string.activity_not_found, Toast.LENGTH_SHORT).show(); + } catch (SecurityException e) { + Toast.makeText(this, R.string.activity_not_found, Toast.LENGTH_SHORT).show(); + e(LOG_TAG, "Launcher does not have the permission to launch " + intent + + ". Make sure to create a MAIN intent-filter for the corresponding activity " + + "or use the exported attribute for this activity.", e); + } + } + + private void handleFolderClick(FolderInfo folderInfo) { + if (!folderInfo.opened) { + // Close any open folder + closeFolder(); + // Open the requested folder + openFolder(folderInfo); + } else { + // Find the open folder... + Folder openFolder = mWorkspace.getFolderForTag(folderInfo); + int folderScreen; + if (openFolder != null) { + folderScreen = mWorkspace.getScreenForView(openFolder); + // .. and close it + closeFolder(openFolder); + if (folderScreen != mWorkspace.getCurrentScreen()) { + // Close any folder open on the current screen + closeFolder(); + // Pull the folder onto this screen + openFolder(folderInfo); + } + } + } + } + + private void loadWallpaper() { + // The first time the application is started, we load the wallpaper from + // the ApplicationContext + if (sWallpaper == null) { + final Drawable drawable = getWallpaper(); + if (drawable instanceof BitmapDrawable) { + sWallpaper = ((BitmapDrawable) drawable).getBitmap(); + } else { + throw new IllegalStateException("The wallpaper must be a BitmapDrawable."); + } + } + mWorkspace.loadWallpaper(sWallpaper); + } + + /** + * Opens the user fodler described by the specified tag. The opening of the folder + * is animated relative to the specified View. If the View is null, no animation + * is played. + * + * @param folderInfo The FolderInfo describing the folder to open. + */ + private void openFolder(FolderInfo folderInfo) { + Folder openFolder; + + if (folderInfo instanceof UserFolderInfo) { + openFolder = UserFolder.fromXml(this); + } else if (folderInfo instanceof LiveFolderInfo) { + openFolder = com.android.launcher.LiveFolder.fromXml(this, folderInfo); + } else { + return; + } + + openFolder.setDragger(mDragLayer); + openFolder.setLauncher(this); + + openFolder.bind(folderInfo); + folderInfo.opened = true; + + mWorkspace.addInScreen(openFolder, folderInfo.screen, 0, 0, 4, 4); + openFolder.onOpen(); + } + + /** + * Returns true if the workspace is being loaded. When the workspace is loading, + * no user interaction should be allowed to avoid any conflict. + * + * @return True if the workspace is locked, false otherwise. + */ + boolean isWorkspaceLocked() { + return mDesktopLocked; + } + + public boolean onLongClick(View v) { + if (mDesktopLocked) { + return false; + } + + if (!(v instanceof CellLayout)) { + v = (View) v.getParent(); + } + + CellLayout.CellInfo cellInfo = (CellLayout.CellInfo) v.getTag(); + + // This happens when long clicking an item with the dpad/trackball + if (cellInfo == null) { + return true; + } + + if (mWorkspace.allowLongPress()) { + if (cellInfo.cell == null) { + if (cellInfo.valid) { + // User long pressed on empty space + mWorkspace.setAllowLongPress(false); + showAddDialog(cellInfo); + } + } else { + if (!(cellInfo.cell instanceof Folder)) { + // User long pressed on an item + mWorkspace.startDrag(cellInfo); + } + } + } + return true; + } + + static LauncherModel getModel() { + return sModel; + } + + void closeAllApplications() { + mDrawer.close(); + } + + View getDrawerHandle() { + return mHandleView; + } + + boolean isDrawerDown() { + return !mDrawer.isMoving() && !mDrawer.isOpened(); + } + + boolean isDrawerUp() { + return mDrawer.isOpened() && !mDrawer.isMoving(); + } + + boolean isDrawerMoving() { + return mDrawer.isMoving(); + } + + Workspace getWorkspace() { + return mWorkspace; + } + + GridView getApplicationsGrid() { + return mAllAppsGrid; + } + + @Override + protected Dialog onCreateDialog(int id) { + switch (id) { + case DIALOG_CREATE_SHORTCUT: + return new CreateShortcut().createDialog(); + case DIALOG_RENAME_FOLDER: + return new RenameFolder().createDialog(); + } + + return super.onCreateDialog(id); + } + + @Override + protected void onPrepareDialog(int id, Dialog dialog) { + switch (id) { + case DIALOG_CREATE_SHORTCUT: + break; + case DIALOG_RENAME_FOLDER: + if (mFolderInfo != null) { + EditText input = (EditText) dialog.findViewById(R.id.folder_name); + final CharSequence text = mFolderInfo.title; + input.setText(text); + input.setSelection(0, text.length()); + } + break; + } + } + + void showRenameDialog(FolderInfo info) { + mFolderInfo = info; + mWaitingForResult = true; + showDialog(DIALOG_RENAME_FOLDER); + } + + private void showAddDialog(CellLayout.CellInfo cellInfo) { + mAddItemCellInfo = cellInfo; + mWaitingForResult = true; + showDialog(DIALOG_CREATE_SHORTCUT); + } + + private void pickShortcut(int requestCode, int title) { + Bundle bundle = new Bundle(); + + ArrayList<String> shortcutNames = new ArrayList<String>(); + shortcutNames.add(getString(R.string.group_applications)); + bundle.putStringArrayList(Intent.EXTRA_SHORTCUT_NAME, shortcutNames); + + ArrayList<ShortcutIconResource> shortcutIcons = new ArrayList<ShortcutIconResource>(); + shortcutIcons.add(ShortcutIconResource.fromContext(Launcher.this, + R.drawable.ic_launcher_application)); + bundle.putParcelableArrayList(Intent.EXTRA_SHORTCUT_ICON_RESOURCE, shortcutIcons); + + Intent pickIntent = new Intent(Intent.ACTION_PICK_ACTIVITY); + pickIntent.putExtra(Intent.EXTRA_INTENT, new Intent(Intent.ACTION_CREATE_SHORTCUT)); + pickIntent.putExtra(Intent.EXTRA_TITLE, getText(title)); + pickIntent.putExtras(bundle); + + startActivityForResult(pickIntent, requestCode); + } + + private class RenameFolder { + private EditText mInput; + + Dialog createDialog() { + mWaitingForResult = true; + final View layout = View.inflate(Launcher.this, R.layout.rename_folder, null); + mInput = (EditText) layout.findViewById(R.id.folder_name); + + AlertDialog.Builder builder = new AlertDialog.Builder(Launcher.this); + builder.setIcon(0); + builder.setTitle(getString(R.string.rename_folder_title)); + builder.setCancelable(true); + builder.setOnCancelListener(new Dialog.OnCancelListener() { + public void onCancel(DialogInterface dialog) { + cleanup(); + } + }); + builder.setNegativeButton(getString(R.string.cancel_action), + new Dialog.OnClickListener() { + public void onClick(DialogInterface dialog, int which) { + cleanup(); + } + } + ); + builder.setPositiveButton(getString(R.string.rename_action), + new Dialog.OnClickListener() { + public void onClick(DialogInterface dialog, int which) { + changeFolderName(); + } + } + ); + builder.setView(layout); + + final AlertDialog dialog = builder.create(); + dialog.setOnShowListener(new DialogInterface.OnShowListener() { + public void onShow(DialogInterface dialog) { + mWorkspace.lock(); + } + }); + + return dialog; + } + + private void changeFolderName() { + final String name = mInput.getText().toString(); + if (!TextUtils.isEmpty(name)) { + // Make sure we have the right folder info + mFolderInfo = sModel.findFolderById(mFolderInfo.id); + mFolderInfo.title = name; + LauncherModel.updateItemInDatabase(Launcher.this, mFolderInfo); + + if (mDesktopLocked) { + mDrawer.lock(); + sModel.loadUserItems(false, Launcher.this, false, false); + } else { + final FolderIcon folderIcon = (FolderIcon) + mWorkspace.getViewForTag(mFolderInfo); + if (folderIcon != null) { + folderIcon.setText(name); + getWorkspace().requestLayout(); + } else { + mDesktopLocked = true; + mDrawer.lock(); + sModel.loadUserItems(false, Launcher.this, false, false); + } + } + } + cleanup(); + } + + private void cleanup() { + mWorkspace.unlock(); + dismissDialog(DIALOG_RENAME_FOLDER); + mWaitingForResult = false; + mFolderInfo = null; + } + } + + /** + * Displays the shortcut creation dialog and launches, if necessary, the + * appropriate activity. + */ + private class CreateShortcut implements DialogInterface.OnClickListener, + DialogInterface.OnCancelListener, DialogInterface.OnDismissListener, + DialogInterface.OnShowListener { + + private AddAdapter mAdapter; + + Dialog createDialog() { + mWaitingForResult = true; + + mAdapter = new AddAdapter(Launcher.this); + + final AlertDialog.Builder builder = new AlertDialog.Builder(Launcher.this); + builder.setTitle(getString(R.string.menu_item_add_item)); + builder.setAdapter(mAdapter, this); + + builder.setInverseBackgroundForced(true); + + AlertDialog dialog = builder.create(); + dialog.setOnCancelListener(this); + dialog.setOnDismissListener(this); + dialog.setOnShowListener(this); + + return dialog; + } + + public void onCancel(DialogInterface dialog) { + mWaitingForResult = false; + cleanup(); + } + + public void onDismiss(DialogInterface dialog) { + mWorkspace.unlock(); + } + + private void cleanup() { + mWorkspace.unlock(); + dismissDialog(DIALOG_CREATE_SHORTCUT); + } + + /** + * Handle the action clicked in the "Add to home" dialog. + */ + public void onClick(DialogInterface dialog, int which) { + Resources res = getResources(); + cleanup(); + + switch (which) { + case AddAdapter.ITEM_SHORTCUT: { + // Insert extra item to handle picking application + pickShortcut(REQUEST_PICK_SHORTCUT, R.string.title_select_shortcut); + break; + } + + case AddAdapter.ITEM_APPWIDGET: { + int appWidgetId = Launcher.this.mAppWidgetHost.allocateAppWidgetId(); + + Intent pickIntent = new Intent(AppWidgetManager.ACTION_APPWIDGET_PICK); + pickIntent.putExtra(AppWidgetManager.EXTRA_APPWIDGET_ID, appWidgetId); + // add the search widget + ArrayList<AppWidgetProviderInfo> customInfo = + new ArrayList<AppWidgetProviderInfo>(); + AppWidgetProviderInfo info = new AppWidgetProviderInfo(); + info.provider = new ComponentName(getPackageName(), "XXX.YYY"); + info.label = getString(R.string.group_search); + info.icon = R.drawable.ic_search_widget; + customInfo.add(info); + pickIntent.putParcelableArrayListExtra( + AppWidgetManager.EXTRA_CUSTOM_INFO, customInfo); + ArrayList<Bundle> customExtras = new ArrayList<Bundle>(); + Bundle b = new Bundle(); + b.putString(EXTRA_CUSTOM_WIDGET, SEARCH_WIDGET); + customExtras.add(b); + pickIntent.putParcelableArrayListExtra( + AppWidgetManager.EXTRA_CUSTOM_EXTRAS, customExtras); + // start the pick activity + startActivityForResult(pickIntent, REQUEST_PICK_APPWIDGET); + break; + } + + case AddAdapter.ITEM_LIVE_FOLDER: { + // Insert extra item to handle inserting folder + Bundle bundle = new Bundle(); + + ArrayList<String> shortcutNames = new ArrayList<String>(); + shortcutNames.add(res.getString(R.string.group_folder)); + bundle.putStringArrayList(Intent.EXTRA_SHORTCUT_NAME, shortcutNames); + + ArrayList<ShortcutIconResource> shortcutIcons = + new ArrayList<ShortcutIconResource>(); + shortcutIcons.add(ShortcutIconResource.fromContext(Launcher.this, + R.drawable.ic_launcher_folder)); + bundle.putParcelableArrayList(Intent.EXTRA_SHORTCUT_ICON_RESOURCE, shortcutIcons); + + Intent pickIntent = new Intent(Intent.ACTION_PICK_ACTIVITY); + pickIntent.putExtra(Intent.EXTRA_INTENT, + new Intent(LiveFolders.ACTION_CREATE_LIVE_FOLDER)); + pickIntent.putExtra(Intent.EXTRA_TITLE, + getText(R.string.title_select_live_folder)); + pickIntent.putExtras(bundle); + + startActivityForResult(pickIntent, REQUEST_PICK_LIVE_FOLDER); + break; + } + + case AddAdapter.ITEM_WALLPAPER: { + startWallpaper(); + break; + } + } + } + + public void onShow(DialogInterface dialog) { + mWorkspace.lock(); + } + } + + /** + * Receives notifications when applications are added/removed. + */ + private class ApplicationsIntentReceiver extends BroadcastReceiver { + @Override + public void onReceive(Context context, Intent intent) { + final String action = intent.getAction(); + final String packageName = intent.getData().getSchemeSpecificPart(); + final boolean replacing = intent.getBooleanExtra(Intent.EXTRA_REPLACING, false); + + if (LauncherModel.DEBUG_LOADERS) { + d(LauncherModel.LOG_TAG, "application intent received: " + action + + ", replacing=" + replacing); + d(LauncherModel.LOG_TAG, " --> " + intent.getData()); + } + + if (!Intent.ACTION_PACKAGE_CHANGED.equals(action)) { + if (Intent.ACTION_PACKAGE_REMOVED.equals(action)) { + if (!replacing) { + removeShortcutsForPackage(packageName); + if (LauncherModel.DEBUG_LOADERS) { + d(LauncherModel.LOG_TAG, " --> remove package"); + } + sModel.removePackage(Launcher.this, packageName); + } + // else, we are replacing the package, so a PACKAGE_ADDED will be sent + // later, we will update the package at this time + } else { + if (!replacing) { + if (LauncherModel.DEBUG_LOADERS) { + d(LauncherModel.LOG_TAG, " --> add package"); + } + sModel.addPackage(Launcher.this, packageName); + } else { + if (LauncherModel.DEBUG_LOADERS) { + d(LauncherModel.LOG_TAG, " --> update package " + packageName); + } + sModel.updatePackage(Launcher.this, packageName); + updateShortcutsForPackage(packageName); + } + } + removeDialog(DIALOG_CREATE_SHORTCUT); + } else { + if (LauncherModel.DEBUG_LOADERS) { + d(LauncherModel.LOG_TAG, " --> sync package " + packageName); + } + sModel.syncPackage(Launcher.this, packageName); + } + } + } + + /** + * Receives notifications whenever the user favorites have changed. + */ + private class FavoritesChangeObserver extends ContentObserver { + public FavoritesChangeObserver() { + super(new Handler()); + } + + @Override + public void onChange(boolean selfChange) { + onFavoritesChanged(); + } + } + + /** + * Receives intents from other applications to change the wallpaper. + */ + private static class WallpaperIntentReceiver extends BroadcastReceiver { + private final Application mApplication; + private WeakReference<Launcher> mLauncher; + + WallpaperIntentReceiver(Application application, Launcher launcher) { + mApplication = application; + setLauncher(launcher); + } + + void setLauncher(Launcher launcher) { + mLauncher = new WeakReference<Launcher>(launcher); + } + + @Override + public void onReceive(Context context, Intent intent) { + // Load the wallpaper from the ApplicationContext and store it locally + // until the Launcher Activity is ready to use it + final Drawable drawable = mApplication.getWallpaper(); + if (drawable instanceof BitmapDrawable) { + sWallpaper = ((BitmapDrawable) drawable).getBitmap(); + } else { + throw new IllegalStateException("The wallpaper must be a BitmapDrawable."); + } + + // If Launcher is alive, notify we have a new wallpaper + if (mLauncher != null) { + final Launcher launcher = mLauncher.get(); + if (launcher != null) { + launcher.loadWallpaper(); + } + } + } + } + + private class DrawerManager implements SlidingDrawer.OnDrawerOpenListener, + SlidingDrawer.OnDrawerCloseListener, SlidingDrawer.OnDrawerScrollListener { + private boolean mOpen; + + public void onDrawerOpened() { + if (!mOpen) { + mHandleIcon.reverseTransition(150); + + final Rect bounds = mWorkspace.mDrawerBounds; + offsetBoundsToDragLayer(bounds, mAllAppsGrid); + + mOpen = true; + } + } + + private void offsetBoundsToDragLayer(Rect bounds, View view) { + view.getDrawingRect(bounds); + + while (view != mDragLayer) { + bounds.offset(view.getLeft(), view.getTop()); + view = (View) view.getParent(); + } + } + + public void onDrawerClosed() { + if (mOpen) { + mHandleIcon.reverseTransition(150); + mWorkspace.mDrawerBounds.setEmpty(); + mOpen = false; + } + + mAllAppsGrid.setSelection(0); + mAllAppsGrid.clearTextFilter(); + } + + public void onScrollStarted() { + if (PROFILE_DRAWER) { + android.os.Debug.startMethodTracing("/sdcard/launcher-drawer"); + } + + mWorkspace.mDrawerContentWidth = mAllAppsGrid.getWidth(); + mWorkspace.mDrawerContentHeight = mAllAppsGrid.getHeight(); + } + + public void onScrollEnded() { + if (PROFILE_DRAWER) { + android.os.Debug.stopMethodTracing(); + } + } + } + + private static class DesktopBinder extends Handler implements MessageQueue.IdleHandler { + static final int MESSAGE_BIND_ITEMS = 0x1; + static final int MESSAGE_BIND_APPWIDGETS = 0x2; + static final int MESSAGE_BIND_DRAWER = 0x3; + + // Number of items to bind in every pass + static final int ITEMS_COUNT = 6; + + private final ArrayList<ItemInfo> mShortcuts; + private final LinkedList<LauncherAppWidgetInfo> mAppWidgets; + private final ApplicationsAdapter mDrawerAdapter; + private final WeakReference<Launcher> mLauncher; + + public boolean mTerminate = false; + + DesktopBinder(Launcher launcher, ArrayList<ItemInfo> shortcuts, + ArrayList<LauncherAppWidgetInfo> appWidgets, + ApplicationsAdapter drawerAdapter) { + + mLauncher = new WeakReference<Launcher>(launcher); + mShortcuts = shortcuts; + mDrawerAdapter = drawerAdapter; + + // Sort widgets so active workspace is bound first + final int currentScreen = launcher.mWorkspace.getCurrentScreen(); + final int size = appWidgets.size(); + mAppWidgets = new LinkedList<LauncherAppWidgetInfo>(); + + for (int i = 0; i < size; i++) { + LauncherAppWidgetInfo appWidgetInfo = appWidgets.get(i); + if (appWidgetInfo.screen == currentScreen) { + mAppWidgets.addFirst(appWidgetInfo); + } else { + mAppWidgets.addLast(appWidgetInfo); + } + } + } + + public void startBindingItems() { + obtainMessage(MESSAGE_BIND_ITEMS, 0, mShortcuts.size()).sendToTarget(); + } + + public void startBindingDrawer() { + obtainMessage(MESSAGE_BIND_DRAWER).sendToTarget(); + } + + public void startBindingAppWidgetsWhenIdle() { + // Ask for notification when message queue becomes idle + final MessageQueue messageQueue = Looper.myQueue(); + messageQueue.addIdleHandler(this); + } + + public boolean queueIdle() { + // Queue is idle, so start binding items + startBindingAppWidgets(); + return false; + } + + public void startBindingAppWidgets() { + obtainMessage(MESSAGE_BIND_APPWIDGETS).sendToTarget(); + } + + @Override + public void handleMessage(Message msg) { + Launcher launcher = mLauncher.get(); + if (launcher == null || mTerminate) { + return; + } + + switch (msg.what) { + case MESSAGE_BIND_ITEMS: { + launcher.bindItems(this, mShortcuts, msg.arg1, msg.arg2); + break; + } + case MESSAGE_BIND_DRAWER: { + launcher.bindDrawer(this, mDrawerAdapter); + break; + } + case MESSAGE_BIND_APPWIDGETS: { + launcher.bindAppWidgets(this, mAppWidgets); + break; + } + } + } + } +} |