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android / platform / packages / apps / Launcher / refs/heads/main / . / src / com / android / launcher / Launcher.java
blob: 710578f160b5b66680c7e3e391a5e91a819846d2 [file] [log] [blame]
/*
* 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 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 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(ArrayList<ItemInfo> shortcuts,
ArrayList<LauncherAppWidgetInfo> appWidgets) {
if (mDestroyed) {
if (LauncherModel.DEBUG_LOADERS) {
d(LauncherModel.LOG_TAG, " ------> destroyed, ignoring desktop items");
}
return;
}
bindDesktopItems(shortcuts, appWidgets);
}
/**
* Refreshes the shortcuts shown on the workspace.
*/
private void bindDesktopItems(ArrayList<ItemInfo> shortcuts,
ArrayList<LauncherAppWidgetInfo> appWidgets) {
final ApplicationsAdapter drawerAdapter = sModel.getApplicationsAdapter();
if (shortcuts == null || appWidgets == null || drawerAdapter == null) {
if (LauncherModel.DEBUG_LOADERS) d(LauncherModel.LOG_TAG, " ------> a source is 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);
}
}
if (LauncherModel.DEBUG_LOADERS) {
d(Launcher.LOG_TAG, "------> binding " + shortcuts.size() + " items");
d(Launcher.LOG_TAG, "------> binding " + appWidgets.size() + " widgets");
}
}
public void startBindingItems() {
if (LauncherModel.DEBUG_LOADERS) d(Launcher.LOG_TAG, "------> start binding items");
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;
}
}
}
}
}