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Diffstat (limited to 'src/com/android/launcher/Launcher.java')
| -rw-r--r-- | src/com/android/launcher/Launcher.java | 1593 |
1 files changed, 1593 insertions, 0 deletions
diff --git a/src/com/android/launcher/Launcher.java b/src/com/android/launcher/Launcher.java new file mode 100644 index 000000000..2ae50377c --- /dev/null +++ b/src/com/android/launcher/Launcher.java @@ -0,0 +1,1593 @@ +/* + * 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.SearchManager; +import android.app.StatusBarManager; +import android.content.ActivityNotFoundException; +import android.content.BroadcastReceiver; +import android.content.ContentResolver; +import android.content.Context; +import android.content.DialogInterface; +import android.content.Intent; +import android.content.IntentFilter; +import android.content.pm.PackageManager; +import android.content.res.Configuration; +import android.content.res.Resources; +import android.database.ContentObserver; +import android.graphics.Bitmap; +import android.graphics.drawable.BitmapDrawable; +import android.graphics.drawable.Drawable; +import android.graphics.drawable.TransitionDrawable; +import android.hardware.SensorListener; +import android.hardware.SensorManager; +import android.net.Uri; +import android.os.Bundle; +import android.os.Handler; +import android.os.IBinder; +import android.os.Parcelable; +import android.os.RemoteException; +import android.os.ServiceManager; +import android.os.SystemClock; +import android.os.SystemProperties; +import android.provider.Contacts; +import android.telephony.PhoneNumberUtils; +import android.text.Selection; +import android.text.SpannableStringBuilder; +import android.text.TextUtils; +import android.text.method.TextKeyListener; +import android.util.Config; +import android.util.Log; +import android.view.Display; +import android.view.Gravity; +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.WindowManager; +import android.view.View.OnLongClickListener; +import android.widget.EditText; +import android.widget.ExpandableListView; +import android.widget.ImageView; +import android.widget.TextView; +import android.widget.Toast; +import android.app.IWallpaperService; + +import com.android.internal.provider.Settings; +import com.android.internal.widget.SlidingDrawer; + +import java.lang.ref.WeakReference; +import java.util.ArrayList; + +/** + * Default launcher application. + */ +public final class Launcher extends Activity implements View.OnClickListener, OnLongClickListener { + static final String LOG_TAG = "Launcher"; + + private static final boolean PROFILE_STARTUP = false; + private static final boolean DEBUG_USER_INTERFACE = false; + + private static final String USE_OPENGL_BY_DEFAULT = "false"; + + private static final boolean REMOVE_SHORTCUT_ON_PACKAGE_REMOVE = false; + + // Type: boolean + private static final String PROPERTY_USE_OPENGL = "launcher.opengl"; + // Type: boolean + private static final String PROPERTY_USE_SENSORS = "launcher.sensors"; + + private static final boolean USE_OPENGL = true; + private static final boolean USE_SENSORS = 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_CHOOSE_PHOTO = 2; + private static final int REQUEST_UPDATE_PHOTO = 3; + + static final String EXTRA_SHORTCUT_DUPLICATE = "duplicate"; + + 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; + + // 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 LauncherModel sModel; + + private static Bitmap sWallpaper; + + // Indicates whether the OpenGL pipeline was enabled, either through + // USE_OPENGL_BY_DEFAULT or the system property launcher.opengl + static boolean sOpenGlEnabled; + + 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 final Handler mHandler = new Handler(); + private LayoutInflater mInflater; + + private SensorManager mSensorManager; + private SensorHandler mSensorHandler; + + private DragLayer mDragLayer; + private Workspace mWorkspace; + + private CellLayout.CellInfo mAddItemCellInfo; + private CellLayout.CellInfo mMenuAddInfo; + private final int[] mCellCoordinates = new int[2]; + private UserFolderInfo mFolderInfo; + + private SlidingDrawer mDrawer; + private TransitionDrawable mHandleIcon; + private AllAppsGridView mAllAppsGrid; + + private boolean mDesktopLocked = true; + private Bundle mSavedState; + + private SpannableStringBuilder mDefaultKeySsb = null; + + private boolean mDestroyed; + + private boolean mRestoring; + private boolean mWaitingForResult; + + @Override + protected void onCreate(Bundle savedInstanceState) { + dalvik.system.VMRuntime.getRuntime().setMinimumHeapSize(4 * 1024 * 1024); + + super.onCreate(savedInstanceState); + mInflater = getLayoutInflater(); + + if (PROFILE_STARTUP) { + android.os.Debug.startMethodTracing("/sdcard/launcher"); + } + + setWallpaperDimension(); + + enableSensors(); + enableOpenGL(); + + if (sModel == null) { + sModel = new LauncherModel(); + } + + 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); + } + + static int getScreen() { + synchronized (sLock) { + return sScreen; + } + } + + static void setScreen(int screen) { + synchronized (sLock) { + sScreen = screen; + } + } + + private void startLoaders() { + sModel.loadApplications(true, this); + sModel.loadUserItems(true, this); + mRestoring = false; + } + + @Override + public void onConfigurationChanged(Configuration newConfig) { + super.onConfigurationChanged(newConfig); + + // When MMC/MNC changes, so can applications, so we reload them + sModel.loadApplications(false, Launcher.this); + } + + 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! + } + } + + private void enableSensors() { + //noinspection PointlessBooleanExpression,ConstantConditions + if (USE_SENSORS || "true".equals(SystemProperties.get(PROPERTY_USE_SENSORS, "false"))) { + if (Config.LOGD) { + Log.d(LOG_TAG, "Launcher activating sensors"); + } + mSensorManager = (SensorManager) getSystemService(SENSOR_SERVICE); + mSensorHandler = new SensorHandler(); + } + } + + private void enableOpenGL() { + //noinspection PointlessBooleanExpression,ConstantConditions + if (USE_OPENGL && "true".equals(SystemProperties.get(PROPERTY_USE_OPENGL, + USE_OPENGL_BY_DEFAULT))) { + if (Config.LOGD) { + Log.d(LOG_TAG, "Launcher starting in OpenGL"); + } + //requestWindowFeature(Window.FEATURE_OPENGL); + //sOpenGlEnabled = true; + } else { + sOpenGlEnabled = false; + } + } + + @Override + protected void onActivityResult(int requestCode, int resultCode, Intent data) { + if (resultCode == RESULT_OK && mAddItemCellInfo != null) { + switch (requestCode) { + case REQUEST_CREATE_SHORTCUT: + completeAddShortcut(data, mAddItemCellInfo, !mDesktopLocked); + break; + case REQUEST_CHOOSE_PHOTO: + completeAddPhotoFrame(data, mAddItemCellInfo); + break; + case REQUEST_UPDATE_PHOTO: + completeUpdatePhotoFrame(data, mAddItemCellInfo); + break; + } + } + mWaitingForResult = false; + } + + @Override + protected void onResume() { + super.onResume(); + + if (mRestoring) { + startLoaders(); + } + + if (mSensorManager != null) { + mSensorManager.registerListener(mSensorHandler, SensorManager.SENSOR_ACCELEROMETER); + } + } + + @Override + protected void onStop() { + if (mSensorManager != null) { + mSensorManager.unregisterListener(mSensorHandler); + } + + super.onStop(); + } + + @Override + public boolean onKeyUp(int keyCode, KeyEvent event) { + boolean handled = super.onKeyUp(keyCode, event); + if (keyCode == KeyEvent.KEYCODE_SEARCH) { + handled = mWorkspace.snapToSearch(); + } + return handled; + } + + @Override + public boolean onKeyDown(int keyCode, KeyEvent event) { + boolean handled = super.onKeyDown(keyCode, event); + if (!handled && 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 - dispatch it now. + final String str = mDefaultKeySsb.toString(); + + boolean isDialable = true; + final int count = str.length(); + for (int i = 0; i < count; i++) { + if (!PhoneNumberUtils.isReallyDialable(str.charAt(i))) { + isDialable = false; + break; + } + } + Intent intent; + if (isDialable) { + intent = new Intent(Intent.ACTION_DIAL, Uri.fromParts("tel", str, null)); + } else { + intent = new Intent(Contacts.Intents.UI.FILTER_CONTACTS_ACTION); + intent.putExtra(Contacts.Intents.UI.FILTER_TEXT_EXTRA_KEY, str); + } + + intent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK); + + try { + startActivity(intent); + } catch (android.content.ActivityNotFoundException ex) { + // Oh well... no one knows how to filter/dial. Life goes on. + } + + mDefaultKeySsb.clear(); + mDefaultKeySsb.clearSpans(); + Selection.setSelection(mDefaultKeySsb, 0); + + return true; + } + } + + return handled; + } + + /** + * 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); + + final ImageView handleIcon = (ImageView) drawer.findViewById(R.id.all_apps); + mHandleIcon = (TransitionDrawable) handleIcon.getDrawable(); + mHandleIcon.setCrossFadeEnabled(true); + + drawer.lock(); + final DrawerManager drawerManager = new DrawerManager(); + drawer.setOnDrawerOpenListener(drawerManager); + drawer.setOnDrawerCloseListener(drawerManager); + drawer.setOnDrawerScrollListener(drawerManager); + + grid.setTextFilterEnabled(true); + grid.setDragger(dragLayer); + grid.setLauncher(this); + if (sOpenGlEnabled) { + grid.setScrollingCacheEnabled(false); + grid.setFadingEdgeLength(0); + } + + workspace.setOnLongClickListener(this); + workspace.setDragger(dragLayer); + workspace.setLauncher(this); + loadWallpaper(); + + deleteZone.setLauncher(this); + deleteZone.setDragController(dragLayer); + deleteZone.setHandle(handleIcon); + + dragLayer.setIgnoredDropTarget(grid); + dragLayer.setDragScoller(workspace); + dragLayer.setDragListener(deleteZone); + + 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(); + } + }); + } + } + + /** + * 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; + } + + void addApplicationShortcut(ApplicationInfo info) { + mAddItemCellInfo.screen = mWorkspace.getCurrentScreen(); + mWorkspace.addApplicationShortcut(info, mAddItemCellInfo); + } + + /** + * 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(); + 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); + } + } + + 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 BitmapDrawable(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) { + Log.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, Settings.Favorites.CONTAINER_DESKTOP, + cellInfo.screen, cellInfo.cellX, cellInfo.cellY, notify); + return info; + } + + /** + * Add a PhotFrame to the workspace. + * + * @param data The intent describing the photo. + * @param cellInfo The position on screen where to create the shortcut. + */ + private void completeAddPhotoFrame(Intent data, CellLayout.CellInfo cellInfo) { + final Bundle extras = data.getExtras(); + if (extras != null) { + Bitmap photo = extras.getParcelable("data"); + + Widget info = Widget.makePhotoFrame(); + info.photo = photo; + + final int[] xy = mCellCoordinates; + if (!findSlot(cellInfo, xy, info.spanX, info.spanY)) return; + + LauncherModel.addItemToDatabase(this, info, Settings.Favorites.CONTAINER_DESKTOP, + mWorkspace.getCurrentScreen(), xy[0], xy[1], false); + + if (!mRestoring) { + sModel.addDesktopItem(info); + + final PhotoFrame view = (PhotoFrame) mInflater.inflate(info.layoutResource, null); + view.setImageBitmap(photo); + view.setTag(info); + + mWorkspace.addInCurrentScreen(view, xy[0], xy[1], info.spanX, info.spanY); + } else if (sModel.isDesktopLoaded()) { + sModel.addDesktopItem(info); + } + } + } + + /** + * Updates a workspace PhotoFrame. + * + * @param data The intent describing the photo. + * @param cellInfo The position on screen of the PhotoFrame to update. + */ + private void completeUpdatePhotoFrame(Intent data, CellLayout.CellInfo cellInfo) { + final Bundle extras = data.getExtras(); + if (extras != null) { + Widget info; + Bitmap photo = extras.getParcelable("data"); + + if (!mRestoring) { + final CellLayout layout = (CellLayout) mWorkspace.getChildAt(cellInfo.screen); + final PhotoFrame view = (PhotoFrame) layout.findCell(cellInfo.cellX, cellInfo.cellY, + cellInfo.spanX, cellInfo.spanY, null); + view.setImageBitmap(photo); + info = (Widget) view.getTag(); + } else { + info = LauncherModel.getPhotoFrameInfo(this, cellInfo.screen, + cellInfo.cellX, cellInfo.cellY); + } + + info.photo = photo; + LauncherModel.updateItemInDatabase(this, info); + } + } + + /** + * Starts a new Intent to let the user update the PhotoFrame defined by the + * specified Widget. + * + * @param widget The Widget info defining which PhotoFrame to update. + */ + void updatePhotoFrame(Widget widget) { + CellLayout.CellInfo info = new CellLayout.CellInfo(); + info.screen = widget.screen; + info.cellX = widget.cellX; + info.cellY = widget.cellY; + info.spanX = widget.spanX; + info.spanY = widget.spanY; + mAddItemCellInfo = info; + + startActivityForResult(createPhotoPickIntent(), Launcher.REQUEST_UPDATE_PHOTO); + } + + /** + * Creates an Intent used to let the user pick a photo for a PhotoFrame. + * + * @return The Intent to pick a photo suited for a PhotoFrame. + */ + private static Intent createPhotoPickIntent() { + // TODO: Move this method to PhotoFrame? + // TODO: get these values from constants somewhere + // TODO: Adjust the PhotoFrame's image size to avoid on the fly scaling + Intent intent = new Intent(Intent.ACTION_GET_CONTENT, null); + intent.setType("image/*"); + intent.putExtra("crop", "true"); + intent.putExtra("aspectX", 1); + intent.putExtra("aspectY", 1); + intent.putExtra("outputX", 192); + intent.putExtra("outputY", 192); + intent.putExtra("noFaceDetection", true); + intent.putExtra("return-data", true); + return intent; + } + + @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(); + } else { + closeDrawer(false); + } + } + } + + @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); + } + + if (mDrawer.isOpened()) { + 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(); + + 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 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(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(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(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: + if (!mWorkspace.snapToSearch()) { + onSearchRequested(); + } + return true; + case MENU_NOTIFICATIONS: + showNotifications(); + return true; + } + + return super.onOptionsItemSelected(item); + } + + private void addItems() { + showAddDialog(mMenuAddInfo); + } + + private void removeShortcutsForPackage(String packageName) { + if (packageName != null && packageName.length() > 0) { + android.util.Log.d(LOG_TAG, packageName); + mWorkspace.removeShortcutsForPackage(packageName); + } + } + + void addShortcut(Intent intent) { + startActivityForResult(intent, REQUEST_CREATE_SHORTCUT); + } + + void addFolder() { + UserFolderInfo folderInfo = new UserFolderInfo(); + folderInfo.title = getText(R.string.folder_name); + int cellX = mAddItemCellInfo.cellX; + int cellY = mAddItemCellInfo.cellY; + + // Update the model + LauncherModel.addItemToDatabase(this, folderInfo, Settings.Favorites.CONTAINER_DESKTOP, + mWorkspace.getCurrentScreen(), cellX, cellY, false); + sModel.addDesktopItem(folderInfo); + sModel.addUserFolder(folderInfo); + + // Create the view + FolderIcon newFolder = FolderIcon.fromXml(R.layout.folder_icon, this, + (ViewGroup) mWorkspace.getChildAt(mWorkspace.getCurrentScreen()), folderInfo); + mWorkspace.addInCurrentScreen(newFolder, cellX, cellY, 1, 1); + } + + void getPhotoForPhotoFrame() { + startActivityForResult(createPhotoPickIntent(), REQUEST_CHOOSE_PHOTO); + } + + void addClock() { + final Widget info = Widget.makeClock(); + addWidget(info); + } + + void addSearch() { + final Widget info = Widget.makeSearch(); + addWidget(info); + } + + private void addWidget(final Widget info) { + 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, Settings.Favorites.CONTAINER_DESKTOP, + mWorkspace.getCurrentScreen(), xy[0], xy[1], false); + + final View view = mInflater.inflate(info.layoutResource, null); + view.setTag(info); + + mWorkspace.addInCurrentScreen(view, xy[0], xy[1], info.spanX, spanY); + } + + 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(Settings.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); + closeFolder(); + closeDrawer(); + 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); + } + + void onDesktopItemsLoaded() { + if (mDestroyed) return; + + bindDesktopItems(); + mAllAppsGrid.setAdapter(Launcher.getModel().getApplicationsAdapter()); + + if (mSavedState != null) { + mWorkspace.getChildAt(mWorkspace.getCurrentScreen()).requestFocus(); + + final long[] userFolders = mSavedState.getLongArray(RUNTIME_STATE_USER_FOLDERS); + if (userFolders != null) { + for (long folderId : userFolders) { + final UserFolderInfo info = sModel.findFolderById(folderId); + if (info != null) { + openUserFolder(info); + } + } + final Folder openFolder = mWorkspace.getOpenFolder(); + if (openFolder != null) { + openFolder.requestFocus(); + } else { + mWorkspace.getChildAt(mWorkspace.getCurrentScreen()).requestFocus(); + } + } + + final boolean allApps = mSavedState.getBoolean(RUNTIME_STATE_ALL_APPS_FOLDER, false); + if (allApps) { + mDrawer.open(); + mDrawer.requestFocus(); + } + + mSavedState = null; + } + + mDesktopLocked = false; + mDrawer.unlock(); + } + + /** + * Refreshes the shortcuts shown on the workspace. + */ + private void bindDesktopItems() { + final ArrayList<ItemInfo> shortcuts = sModel.getDesktopItems(); + if (shortcuts == null) { + return; + } + + final Workspace workspace = mWorkspace; + int count = workspace.getChildCount(); + for (int i = 0; i < count; i++) { + ((ViewGroup) workspace.getChildAt(i)).removeAllViewsInLayout(); + } + + count = shortcuts.size(); + for (int i = 0; i < count; i++) { + final ItemInfo item = shortcuts.get(i); + switch (item.itemType) { + case Settings.Favorites.ITEM_TYPE_APPLICATION: + case Settings.Favorites.ITEM_TYPE_SHORTCUT: + final View shortcut = createShortcut((ApplicationInfo) item); + workspace.addInScreen(shortcut, item.screen, item.cellX, item.cellY, 1, 1, + !mDesktopLocked); + break; + case Settings.Favorites.ITEM_TYPE_USER_FOLDER: + final FolderIcon newFolder = FolderIcon.fromXml(R.layout.folder_icon, this, + (ViewGroup) mWorkspace.getChildAt(mWorkspace.getCurrentScreen()), + ((UserFolderInfo) item)); + workspace.addInScreen(newFolder, item.screen, item.cellX, item.cellY, 1, 1, + !mDesktopLocked); + break; + default: + final Widget widget = (Widget)item; + final View view = createWidget(mInflater, widget); + view.setTag(widget); + workspace.addWidget(view, widget, !mDesktopLocked); + } + } + + workspace.requestLayout(); + } + + private View createWidget(LayoutInflater inflater, Widget widget) { + final Workspace workspace = mWorkspace; + final int screen = workspace.getCurrentScreen(); + View v = inflater.inflate(widget.layoutResource, + (ViewGroup) workspace.getChildAt(screen), false); + if (widget.itemType == Settings.Favorites.ITEM_TYPE_WIDGET_PHOTO_FRAME) { + ((ImageView)v).setImageBitmap(widget.photo); + } + return v; + } + + 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 UserFolderInfo) { + handleFolderClick((UserFolderInfo) 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(); + } + } + + private void handleFolderClick(FolderInfo folderInfo) { + if (!folderInfo.opened) { + // Close any open folder + closeFolder(); + // Open the requested folder + openUserFolder(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 + openUserFolder(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 tag The UserFolderInfo describing the folder to open. + */ + private void openUserFolder(Object tag) { + UserFolder openFolder = UserFolder.fromXml(this); + openFolder.setDragger(mDragLayer); + openFolder.setLauncher(this); + + UserFolderInfo folderInfo = (UserFolderInfo) tag; + 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 false; + } + + if (mWorkspace.allowLongPress()) { + if (cellInfo.cell == null) { + if (cellInfo.valid) { + // User long pressed on empty space + 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(); + } + + boolean isDrawerDown() { + return !mDrawer.isMoving() && !mDrawer.isOpened(); + } + + Workspace getWorkspace() { + return mWorkspace; + } + + @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(UserFolderInfo 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); + } 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); + } + } + } + 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 ExpandableListView.OnChildClickListener, + DialogInterface.OnCancelListener, ExpandableListView.OnGroupExpandListener { + private AddAdapter mAdapter; + private ExpandableListView mList; + + Dialog createDialog() { + mWaitingForResult = true; + mAdapter = new AddAdapter(Launcher.this, false); + + final AlertDialog.Builder builder = new AlertDialog.Builder(Launcher.this); + builder.setTitle(getString(R.string.menu_item_add_item)); + builder.setIcon(0); + + mList = (ExpandableListView) + View.inflate(Launcher.this, R.layout.create_shortcut_list, null); + mList.setAdapter(mAdapter); + mList.setOnChildClickListener(this); + mList.setOnGroupExpandListener(this); + builder.setView(mList); + builder.setInverseBackgroundForced(true); + + AlertDialog dialog = builder.create(); + dialog.setOnCancelListener(this); + + WindowManager.LayoutParams attributes = dialog.getWindow().getAttributes(); + attributes.gravity = Gravity.TOP; + dialog.onWindowAttributesChanged(attributes); + + return dialog; + } + + public boolean onChildClick(ExpandableListView parent, View v, int groupPosition, + int childPosition, long id) { + mAdapter.performAction(groupPosition, childPosition); + cleanup(); + return true; + } + + public void onCancel(DialogInterface dialog) { + mWaitingForResult = false; + cleanup(); + } + + private void cleanup() { + mWorkspace.unlock(); + dismissDialog(DIALOG_CREATE_SHORTCUT); + } + + public void onGroupExpand(int groupPosition) { + long packged = ExpandableListView.getPackedPositionForGroup(groupPosition); + int position = mList.getFlatListPosition(packged); + mList.setSelectionFromTop(position, 0); + } + } + + /** + * Receives notifications when applications are added/removed. + */ + private class ApplicationsIntentReceiver extends BroadcastReceiver { + @Override + public void onReceive(Context context, Intent intent) { + //noinspection ConstantConditions + if (REMOVE_SHORTCUT_ON_PACKAGE_REMOVE && + Intent.ACTION_PACKAGE_REMOVED.equals(intent.getAction())) { + removeShortcutsForPackage(intent.getData().getSchemeSpecificPart()); + } + removeDialog(DIALOG_CREATE_SHORTCUT); + sModel.loadApplications(false, Launcher.this); + } + } + + /** + * Receives notifications whenever the user favorites have changed. + */ + private class FavoritesChangeObserver extends ContentObserver { + public FavoritesChangeObserver() { + super(mHandler); + } + + @Override + public void onChange(boolean selfChange) { + onFavoritesChanged(); + } + } + + private class SensorHandler implements SensorListener { + private long mLastNegativeShake; + private long mLastPositiveShake; + + public void onSensorChanged(int sensor, float[] values) { + if (sensor == SensorManager.SENSOR_ACCELEROMETER) { + float shake = values[0]; + if (shake <= -SensorManager.STANDARD_GRAVITY) { + mLastNegativeShake = SystemClock.uptimeMillis(); + } else if (shake >= SensorManager.STANDARD_GRAVITY) { + mLastPositiveShake = SystemClock.uptimeMillis(); + } + + final long difference = mLastPositiveShake - mLastNegativeShake; + if (difference <= -80 && difference >= -180) { + mWorkspace.scrollLeft(); + mLastNegativeShake = mLastPositiveShake = 0; + } else if (difference >= 80 && difference <= 180) { + mWorkspace.scrollRight(); + mLastNegativeShake = mLastPositiveShake = 0; + } + } + } + + public void onAccuracyChanged(int sensor, int accuracy) { + } + } + + /** + * 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); + mOpen = true; + } + } + + public void onDrawerClosed() { + if (mOpen) { + mHandleIcon.reverseTransition(150); + mOpen = false; + } + mAllAppsGrid.setSelection(0); + mAllAppsGrid.clearTextFilter(); + mWorkspace.clearChildrenCache(); + } + + public void onScrollStarted() { + mWorkspace.enableChildrenCache(); + } + + public void onScrollEnded() { + } + } +} |