/* * 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.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.SharedPreferences; 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 android.util.Log; 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; /** * 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"; private static final String KEY_LOCALE = "locale"; private static final String KEY_MCC = "mcc"; private static final String KEY_MNC = "mnc"; // 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 mRestoring; private boolean mWaitingForResult; private boolean mLocaleChanged; 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 SharedPreferences preferences = getSharedPreferences(PREFERENCES, MODE_PRIVATE); final Configuration configuration = getResources().getConfiguration(); final String previousLocale = preferences.getString(KEY_LOCALE, null); final String locale = configuration.locale.toString(); final int previousMcc = preferences.getInt(KEY_MCC, -1); final int mcc = configuration.mcc; final int previousMnc = preferences.getInt(KEY_MNC, -1); final int mnc = configuration.mnc; mLocaleChanged = !locale.equals(previousLocale) || mcc != previousMcc || mnc != previousMnc; if (mLocaleChanged) { final SharedPreferences.Editor editor = preferences.edit(); editor.putString(KEY_LOCALE, locale); editor.putInt(KEY_MCC, mcc); editor.putInt(KEY_MNC, mnc); editor.commit(); } } 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) { // 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: addShortcut(data); 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); } } mWaitingForResult = false; } @Override protected void onResume() { super.onResume(); if (mRestoring) { startLoaders(); } // Make sure that the search gadget (if any) is in its normal place. stopSearch(); } @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; // Find details for this application ComponentName component = data.getComponent(); PackageManager packageManager = context.getPackageManager(); ActivityInfo activityInfo = null; try { activityInfo = packageManager.getActivityInfo(component, 0 /* no flags */); } catch (NameNotFoundException e) { Log.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; mWorkspace.addApplicationShortcut(itemInfo, cellInfo, insertAtFirst); } } /** * 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) { 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; Intent.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 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 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; LauncherModel.addItemToDatabase(context, info, LauncherSettings.Favorites.CONTAINER_DESKTOP, cellInfo.screen, cellInfo.cellX, cellInfo.cellY, notify); return info; } @Override protected void onNewIntent(Intent intent) { super.onNewIntent(intent); // Close the menu if (Intent.ACTION_MAIN.equals(intent.getAction())) { getWindow().closeAllPanels(); 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 we are already in front we go back to the default screen, // otherwise we don't if ((intent.getFlags() & Intent.FLAG_ACTIVITY_BROUGHT_TO_FRONT) != Intent.FLAG_ACTIVITY_BROUGHT_TO_FRONT) { if (!mWorkspace.isDefaultScreenShowing()) { mWorkspace.moveToDefaultScreen(); } closeDrawer(); 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 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); } // When the drawer is opened and we are saving the state because of a // configuration change if (mDrawer.isOpened() && getChangingConfigurations() != 0) { 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) { 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); if (searchManager.isVisible()) { 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 addShortcut(Intent intent) { // 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, REQUEST_PICK_APPLICATION); } else { startActivityForResult(intent, REQUEST_CREATE_SHORTCUT); } } 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 boolean dispatchKeyEvent(KeyEvent event) { if (event.getAction() == KeyEvent.ACTION_DOWN) { switch (event.getKeyCode()) { case KeyEvent.KEYCODE_BACK: mWorkspace.dispatchKeyEvent(event); if (mDrawer.isOpened()) { closeDrawer(); } else { closeFolder(); } return true; case KeyEvent.KEYCODE_HOME: 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 shortcuts = sModel.getDesktopItems(); final ArrayList 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 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 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(); Log.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: mWorkspace.lock(); break; case DIALOG_RENAME_FOLDER: mWorkspace.lock(); 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 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); return builder.create(); } 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 { 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); return dialog; } public void onCancel(DialogInterface dialog) { mWaitingForResult = false; cleanup(); } 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 Bundle bundle = new Bundle(); ArrayList shortcutNames = new ArrayList(); shortcutNames.add(res.getString(R.string.group_applications)); bundle.putStringArrayList(Intent.EXTRA_SHORTCUT_NAME, shortcutNames); ArrayList shortcutIcons = new ArrayList(); 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(R.string.title_select_shortcut)); pickIntent.putExtras(bundle); startActivityForResult(pickIntent, REQUEST_PICK_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 customInfo = new ArrayList(); 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 customExtras = new ArrayList(); 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 shortcutNames = new ArrayList(); shortcutNames.add(res.getString(R.string.group_folder)); bundle.putStringArrayList(Intent.EXTRA_SHORTCUT_NAME, shortcutNames); ArrayList shortcutIcons = new ArrayList(); 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; } } } } /** * 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 mLauncher; WallpaperIntentReceiver(Application application, Launcher launcher) { mApplication = application; setLauncher(launcher); } void setLauncher(Launcher launcher) { mLauncher = new WeakReference(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 mShortcuts; private final LinkedList mAppWidgets; private final ApplicationsAdapter mDrawerAdapter; private final WeakReference mLauncher; public boolean mTerminate = false; DesktopBinder(Launcher launcher, ArrayList shortcuts, ArrayList appWidgets, ApplicationsAdapter drawerAdapter) { mLauncher = new WeakReference(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(); 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; } } } } }