This does not force an immediate backup. - * - * @param context application context - */ - public static void dataChanged(Context context) { - dataChanged(context, 0); - } - - /** - * Notify the backup manager that out database is dirty. - * - *
This does not force an immediate backup.
- *
- * @param context application context
- * @param throttleMs duration in ms for which two consecutive calls to backup manager should
- * not be made.
- */
- public static void dataChanged(Context context, long throttleMs) {
- SharedPreferences prefs = Utilities.getPrefs(context);
- long now = System.currentTimeMillis();
- long lastTime = prefs.getLong(KEY_LAST_NOTIFIED_TIME, 0);
-
- // User can manually change the system time, which could lead to now < lastTime.
- // Re-backup in that case, as the backup will have a wrong lastModifiedTime.
- if (now < lastTime || now >= (lastTime + throttleMs)) {
- BackupManager.dataChanged(context.getPackageName());
- prefs.edit().putLong(KEY_LAST_NOTIFIED_TIME, now).apply();
- }
- }
-
- private LauncherBackupHelper mHelper;
-
- @Override
- public void onCreate() {
- super.onCreate();
- mHelper = new LauncherBackupHelper(this);
- addHelper(LAUNCHER_DATA_PREFIX, mHelper);
- }
-
- @Override
- public void onRestore(BackupDataInput data, int appVersionCode, ParcelFileDescriptor newState)
- throws IOException {
- if (!Utilities.ATLEAST_LOLLIPOP) {
- // No restore for old devices.
- Log.i(TAG, "You shall not pass!!!");
- Log.d(TAG, "Restore is only supported on devices running Lollipop and above.");
- return;
- }
-
- // Clear dB before restore
- LauncherSettings.Settings.call(getContentResolver(),
- LauncherSettings.Settings.METHOD_CREATE_EMPTY_DB);
-
- boolean hasData;
- try {
- super.onRestore(data, appVersionCode, newState);
- // If no favorite was migrated, clear the data and start fresh.
- final Cursor c = getContentResolver().query(
- LauncherSettings.Favorites.CONTENT_URI, null, null, null, null);
- hasData = c.moveToNext();
- c.close();
- } catch (Exception e) {
- // If the restore fails, we should do a fresh start.
- Log.e(TAG, "Restore failed", e);
- hasData = false;
- }
-
- if (hasData && mHelper.restoreSuccessful) {
- LauncherSettings.Settings.call(getContentResolver(),
- LauncherSettings.Settings.METHOD_CLEAR_EMPTY_DB_FLAG);
- LauncherClings.markFirstRunClingDismissed(this);
-
- // Rank was added in v4.
- if (mHelper.restoredBackupVersion <= 3) {
- LauncherSettings.Settings.call(getContentResolver(),
- LauncherSettings.Settings.METHOD_UPDATE_FOLDER_ITEMS_RANK);
- }
-
- if (GridSizeMigrationTask.ENABLED && mHelper.shouldAttemptWorkspaceMigration()) {
- GridSizeMigrationTask.markForMigration(getApplicationContext(),
- mHelper.widgetSizes, mHelper.migrationCompatibleProfileData);
- }
-
- LauncherSettings.Settings.call(getContentResolver(),
- LauncherSettings.Settings.METHOD_CONVERT_SHORTCUTS_TO_ACTIVITIES);
- } else {
- if (VERBOSE) Log.v(TAG, "Nothing was restored, clearing DB");
- LauncherSettings.Settings.call(getContentResolver(),
- LauncherSettings.Settings.METHOD_CREATE_EMPTY_DB);
- }
- }
-}
diff --git a/src/com/android/launcher3/LauncherBackupHelper.java b/src/com/android/launcher3/LauncherBackupHelper.java
deleted file mode 100644
index e987a9bdfa..0000000000
--- a/src/com/android/launcher3/LauncherBackupHelper.java
+++ /dev/null
@@ -1,1257 +0,0 @@
-/*
- * Copyright (C) 2013 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.launcher3;
-
-import android.app.backup.BackupDataInputStream;
-import android.app.backup.BackupDataOutput;
-import android.app.backup.BackupHelper;
-import android.app.backup.BackupManager;
-import android.content.ComponentName;
-import android.content.ContentResolver;
-import android.content.ContentValues;
-import android.content.Context;
-import android.content.Intent;
-import android.content.pm.ActivityInfo;
-import android.content.pm.PackageManager;
-import android.content.pm.PackageManager.NameNotFoundException;
-import android.content.pm.ResolveInfo;
-import android.content.res.XmlResourceParser;
-import android.database.Cursor;
-import android.graphics.Bitmap;
-import android.graphics.BitmapFactory;
-import android.graphics.Point;
-import android.graphics.drawable.Drawable;
-import android.os.ParcelFileDescriptor;
-import android.text.TextUtils;
-import android.util.Base64;
-import android.util.Log;
-
-import com.android.launcher3.LauncherSettings.Favorites;
-import com.android.launcher3.LauncherSettings.WorkspaceScreens;
-import com.android.launcher3.backup.nano.BackupProtos;
-import com.android.launcher3.backup.nano.BackupProtos.CheckedMessage;
-import com.android.launcher3.backup.nano.BackupProtos.DeviceProfieData;
-import com.android.launcher3.backup.nano.BackupProtos.Favorite;
-import com.android.launcher3.backup.nano.BackupProtos.Journal;
-import com.android.launcher3.backup.nano.BackupProtos.Key;
-import com.android.launcher3.backup.nano.BackupProtos.Resource;
-import com.android.launcher3.backup.nano.BackupProtos.Screen;
-import com.android.launcher3.backup.nano.BackupProtos.Widget;
-import com.android.launcher3.compat.AppWidgetManagerCompat;
-import com.android.launcher3.compat.UserHandleCompat;
-import com.android.launcher3.compat.UserManagerCompat;
-import com.android.launcher3.model.GridSizeMigrationTask;
-import com.android.launcher3.util.Thunk;
-import com.google.protobuf.nano.InvalidProtocolBufferNanoException;
-import com.google.protobuf.nano.MessageNano;
-
-import org.xmlpull.v1.XmlPullParser;
-import org.xmlpull.v1.XmlPullParserException;
-
-import java.io.FileInputStream;
-import java.io.FileOutputStream;
-import java.io.IOException;
-import java.net.URISyntaxException;
-import java.util.ArrayList;
-import java.util.Arrays;
-import java.util.HashSet;
-import java.util.zip.CRC32;
-
-/**
- * Persist the launcher home state across calamities.
- */
-public class LauncherBackupHelper implements BackupHelper {
- private static final String TAG = "LauncherBackupHelper";
- private static final boolean VERBOSE = LauncherBackupAgentHelper.VERBOSE;
- private static final boolean DEBUG = LauncherBackupAgentHelper.DEBUG;
-
- private static final int BACKUP_VERSION = 4;
- private static final int MAX_JOURNAL_SIZE = 1000000;
-
- // Journal key is such that it is always smaller than any dynamically generated
- // key (any Base64 encoded string).
- private static final String JOURNAL_KEY = "#";
-
- /** icons are large, dribble them out */
- private static final int MAX_ICONS_PER_PASS = 10;
-
- /** widgets contain previews, which are very large, dribble them out */
- private static final int MAX_WIDGETS_PER_PASS = 5;
-
- private static final String[] FAVORITE_PROJECTION = {
- Favorites._ID, // 0
- Favorites.MODIFIED, // 1
- Favorites.INTENT, // 2
- Favorites.APPWIDGET_PROVIDER, // 3
- Favorites.APPWIDGET_ID, // 4
- Favorites.CELLX, // 5
- Favorites.CELLY, // 6
- Favorites.CONTAINER, // 7
- Favorites.ICON, // 8
- Favorites.ICON_PACKAGE, // 9
- Favorites.ICON_RESOURCE, // 10
- Favorites.ITEM_TYPE, // 11
- Favorites.SCREEN, // 12
- Favorites.SPANX, // 13
- Favorites.SPANY, // 14
- Favorites.TITLE, // 15
- Favorites.PROFILE_ID, // 16
- Favorites.RANK, // 17
- };
-
- private static final int ID_INDEX = 0;
- private static final int ID_MODIFIED = 1;
- private static final int INTENT_INDEX = 2;
- private static final int APPWIDGET_PROVIDER_INDEX = 3;
- private static final int APPWIDGET_ID_INDEX = 4;
- private static final int CELLX_INDEX = 5;
- private static final int CELLY_INDEX = 6;
- private static final int CONTAINER_INDEX = 7;
- private static final int ICON_INDEX = 8;
- private static final int ICON_PACKAGE_INDEX = 9;
- private static final int ICON_RESOURCE_INDEX = 10;
- private static final int ITEM_TYPE_INDEX = 11;
- private static final int SCREEN_INDEX = 12;
- private static final int SPANX_INDEX = 13;
- private static final int SPANY_INDEX = 14;
- private static final int TITLE_INDEX = 15;
- private static final int RANK_INDEX = 17;
-
- private static final String[] SCREEN_PROJECTION = {
- WorkspaceScreens._ID, // 0
- WorkspaceScreens.MODIFIED, // 1
- WorkspaceScreens.SCREEN_RANK // 2
- };
-
- private static final int SCREEN_RANK_INDEX = 2;
-
- @Thunk final Context mContext;
- private final HashSet The journal is a timestamp and a list of keys that were saved as of that time.
- *
- * Keys may come back in any order, so each key/value is one complete row of the database.
- *
- * @param oldState notes from the last backup
- * @param data incremental key/value pairs to persist off-device
- * @param newState notes for the next backup
- */
- @Override
- public void performBackup(ParcelFileDescriptor oldState, BackupDataOutput data,
- ParcelFileDescriptor newState) {
- if (VERBOSE) Log.v(TAG, "onBackup");
-
- Journal in = readJournal(oldState);
- if (!launcherIsReady()) {
- dataChanged();
- // Perform backup later.
- writeJournal(newState, in);
- return;
- }
-
- if (mDeviceProfileData == null) {
- LauncherAppState app = LauncherAppState.getInstance();
- mIdp = app.getInvariantDeviceProfile();
- mDeviceProfileData = initDeviceProfileData(mIdp);
- mIconCache = app.getIconCache();
- }
-
- Log.v(TAG, "lastBackupTime = " + in.t);
- mKeys.clear();
- applyJournal(in);
-
- // Record the time before performing backup so that entries edited while the backup
- // was going on, do not get missed in next backup.
- long newBackupTime = System.currentTimeMillis();
- mBackupDataWasUpdated = false;
- try {
- backupFavorites(data);
- backupScreens(data);
- backupIcons(data);
- backupWidgets(data);
-
- // Delete any key which still exist in the old backup, but is not valid anymore.
- HashSet Keys arrive in any order, so screens and containers may not exist yet.
- *
- * @param key identifier for the row
- * @param buffer the serialized proto from the stream, may be larger than dataSize
- * @param dataSize the size of the proto from the stream
- */
- private void restoreFavorite(Key key, byte[] buffer, int dataSize) throws IOException {
- if (VERBOSE) Log.v(TAG, "unpacking favorite " + key.id);
- if (DEBUG) Log.d(TAG, "read (" + buffer.length + "): " +
- Base64.encodeToString(buffer, 0, dataSize, Base64.NO_WRAP));
-
- ContentResolver cr = mContext.getContentResolver();
- ContentValues values = unpackFavorite(buffer, dataSize);
- cr.insert(Favorites.CONTENT_URI, values);
- }
-
- /**
- * Write all modified screens to the data stream.
- *
- * @param data output stream for key/value pairs
- * @throws IOException
- */
- private void backupScreens(BackupDataOutput data) throws IOException {
- // persist things that have changed since the last backup
- ContentResolver cr = mContext.getContentResolver();
- Cursor cursor = cr.query(WorkspaceScreens.CONTENT_URI, SCREEN_PROJECTION,
- null, null, null);
- try {
- cursor.moveToPosition(-1);
- if (DEBUG) Log.d(TAG, "dumping screens after: " + mLastBackupRestoreTime);
- while(cursor.moveToNext()) {
- final long id = cursor.getLong(ID_INDEX);
- final long updateTime = cursor.getLong(ID_MODIFIED);
- Key key = getKey(Key.SCREEN, id);
- mKeys.add(key);
- final String backupKey = keyToBackupKey(key);
- if (!mExistingKeys.contains(backupKey) || updateTime >= mLastBackupRestoreTime) {
- writeRowToBackup(key, packScreen(cursor), data);
- } else {
- if (VERBOSE) Log.v(TAG, "screen already backup up " + id);
- }
- }
- } finally {
- cursor.close();
- }
- }
-
- /**
- * Read a screen from the stream.
- *
- * Keys arrive in any order, so children of this screen may already exist.
- *
- * @param key identifier for the row
- * @param buffer the serialized proto from the stream, may be larger than dataSize
- * @param dataSize the size of the proto from the stream
- */
- private void restoreScreen(Key key, byte[] buffer, int dataSize) throws IOException {
- if (VERBOSE) Log.v(TAG, "unpacking screen " + key.id);
- if (DEBUG) Log.d(TAG, "read (" + buffer.length + "): " +
- Base64.encodeToString(buffer, 0, dataSize, Base64.NO_WRAP));
-
- ContentResolver cr = mContext.getContentResolver();
- ContentValues values = unpackScreen(buffer, dataSize);
- cr.insert(WorkspaceScreens.CONTENT_URI, values);
- }
-
- /**
- * Write all the static icon resources we need to render placeholders
- * for a package that is not installed.
- *
- * @param data output stream for key/value pairs
- */
- private void backupIcons(BackupDataOutput data) throws IOException {
- // persist icons that haven't been persisted yet
- final ContentResolver cr = mContext.getContentResolver();
- final int dpi = mContext.getResources().getDisplayMetrics().densityDpi;
- final UserHandleCompat myUserHandle = UserHandleCompat.myUserHandle();
- int backupUpIconCount = 0;
-
- // Don't backup apps in other profiles for now.
- String where = "(" + Favorites.ITEM_TYPE + "=" + Favorites.ITEM_TYPE_APPLICATION + " OR " +
- Favorites.ITEM_TYPE + "=" + Favorites.ITEM_TYPE_SHORTCUT + " OR " +
- Favorites.ITEM_TYPE + "=" + Favorites.ITEM_TYPE_DEEP_SHORTCUT + ") AND " +
- getUserSelectionArg();
- Cursor cursor = cr.query(Favorites.CONTENT_URI, FAVORITE_PROJECTION,
- where, null, null);
- try {
- cursor.moveToPosition(-1);
- while(cursor.moveToNext()) {
- final long id = cursor.getLong(ID_INDEX);
- final String intentDescription = cursor.getString(INTENT_INDEX);
- try {
- Intent intent = Intent.parseUri(intentDescription, 0);
- ComponentName cn = intent.getComponent();
- Key key = null;
- String backupKey = null;
- if (cn != null) {
- key = getKey(Key.ICON, cn.flattenToShortString());
- backupKey = keyToBackupKey(key);
- } else {
- Log.w(TAG, "empty intent on application favorite: " + id);
- }
- if (mExistingKeys.contains(backupKey)) {
- if (DEBUG) Log.d(TAG, "already saved icon " + backupKey);
-
- // remember that we already backed this up previously
- mKeys.add(key);
- } else if (backupKey != null) {
- if (DEBUG) Log.d(TAG, "I can count this high: " + backupUpIconCount);
- if (backupUpIconCount < MAX_ICONS_PER_PASS) {
- if (DEBUG) Log.d(TAG, "saving icon " + backupKey);
- Bitmap icon = mIconCache.getIcon(intent, myUserHandle);
- if (icon != null && !mIconCache.isDefaultIcon(icon, myUserHandle)) {
- writeRowToBackup(key, packIcon(dpi, icon), data);
- mKeys.add(key);
- backupUpIconCount ++;
- }
- } else {
- if (VERBOSE) Log.v(TAG, "deferring icon backup " + backupKey);
- // too many icons for this pass, request another.
- dataChanged();
- }
- }
- } catch (URISyntaxException e) {
- Log.e(TAG, "invalid URI on application favorite: " + id);
- } catch (IOException e) {
- Log.e(TAG, "unable to save application icon for favorite: " + id);
- }
-
- }
- } finally {
- cursor.close();
- }
- }
-
- /**
- * Read an icon from the stream.
- *
- * Keys arrive in any order, so shortcuts that use this icon may already exist.
- *
- * @param key identifier for the row
- * @param buffer the serialized proto from the stream, may be larger than dataSize
- * @param dataSize the size of the proto from the stream
- */
- private void restoreIcon(Key key, byte[] buffer, int dataSize) throws IOException {
- if (VERBOSE) Log.v(TAG, "unpacking icon " + key.id);
- if (DEBUG) Log.d(TAG, "read (" + buffer.length + "): " +
- Base64.encodeToString(buffer, 0, dataSize, Base64.NO_WRAP));
-
- Resource res = unpackProto(new Resource(), buffer, dataSize);
- if (DEBUG) {
- Log.d(TAG, "unpacked " + res.dpi + " dpi icon");
- }
- Bitmap icon = BitmapFactory.decodeByteArray(res.data, 0, res.data.length);
- if (icon == null) {
- Log.w(TAG, "failed to unpack icon for " + key.name);
- } else {
- if (VERBOSE) Log.v(TAG, "saving restored icon as: " + key.name);
- mIconCache.preloadIcon(ComponentName.unflattenFromString(key.name), icon, res.dpi,
- "" /* label */, mUserSerial, mIdp);
- }
- }
-
- /**
- * Write all the static widget resources we need to render placeholders
- * for a package that is not installed.
- *
- * @param data output stream for key/value pairs
- * @throws IOException
- */
- private void backupWidgets(BackupDataOutput data) throws IOException {
- // persist static widget info that hasn't been persisted yet
- final ContentResolver cr = mContext.getContentResolver();
- final int dpi = mContext.getResources().getDisplayMetrics().densityDpi;
- int backupWidgetCount = 0;
-
- String where = Favorites.ITEM_TYPE + "=" + Favorites.ITEM_TYPE_APPWIDGET + " AND "
- + getUserSelectionArg();
- Cursor cursor = cr.query(Favorites.CONTENT_URI, FAVORITE_PROJECTION,
- where, null, null);
- AppWidgetManagerCompat widgetManager = AppWidgetManagerCompat.getInstance(mContext);
- try {
- cursor.moveToPosition(-1);
- while(cursor.moveToNext()) {
- final long id = cursor.getLong(ID_INDEX);
- final String providerName = cursor.getString(APPWIDGET_PROVIDER_INDEX);
- final ComponentName provider = ComponentName.unflattenFromString(providerName);
-
- Key key = null;
- String backupKey = null;
- if (provider != null) {
- key = getKey(Key.WIDGET, providerName);
- backupKey = keyToBackupKey(key);
- } else {
- Log.w(TAG, "empty intent on appwidget: " + id);
- }
-
- // Widget backup proto changed in v3. So add it again if the original backup is old.
- if (mExistingKeys.contains(backupKey) && restoredBackupVersion >= 3) {
- if (DEBUG) Log.d(TAG, "already saved widget " + backupKey);
-
- // remember that we already backed this up previously
- mKeys.add(key);
- } else if (backupKey != null) {
- if (DEBUG) Log.d(TAG, "I can count this high: " + backupWidgetCount);
- if (backupWidgetCount < MAX_WIDGETS_PER_PASS) {
- LauncherAppWidgetProviderInfo widgetInfo = widgetManager
- .getLauncherAppWidgetInfo(cursor.getInt(APPWIDGET_ID_INDEX));
- if (widgetInfo != null) {
- if (DEBUG) Log.d(TAG, "saving widget " + backupKey);
- writeRowToBackup(key, packWidget(dpi, widgetInfo), data);
- mKeys.add(key);
- backupWidgetCount ++;
- }
- } else {
- if (VERBOSE) Log.v(TAG, "deferring widget backup " + backupKey);
- // too many widgets for this pass, request another.
- dataChanged();
- }
- }
- }
- } finally {
- cursor.close();
- }
- }
-
- /**
- * Read a widget from the stream.
- *
- * Keys arrive in any order, so widgets that use this data may already exist.
- *
- * @param key identifier for the row
- * @param buffer the serialized proto from the stream, may be larger than dataSize
- * @param dataSize the size of the proto from the stream
- */
- private void restoreWidget(Key key, byte[] buffer, int dataSize) throws IOException {
- if (VERBOSE) Log.v(TAG, "unpacking widget " + key.id);
- if (DEBUG) Log.d(TAG, "read (" + buffer.length + "): " +
- Base64.encodeToString(buffer, 0, dataSize, Base64.NO_WRAP));
- Widget widget = unpackProto(new Widget(), buffer, dataSize);
- if (DEBUG) Log.d(TAG, "unpacked " + widget.provider);
- if (widget.icon.data != null) {
- Bitmap icon = BitmapFactory
- .decodeByteArray(widget.icon.data, 0, widget.icon.data.length);
- if (icon == null) {
- Log.w(TAG, "failed to unpack widget icon for " + key.name);
- } else {
- mIconCache.preloadIcon(ComponentName.unflattenFromString(widget.provider),
- icon, widget.icon.dpi, widget.label, mUserSerial, mIdp);
- }
- }
-
- // Cache widget min sizes incase migration is required.
- widgetSizes.add(widget.provider + "#" + widget.minSpanX + "," + widget.minSpanY);
- }
-
- /** create a new key, with an integer ID.
- *
- * Keys contain their own checksum instead of using
- * the heavy-weight CheckedMessage wrapper.
- */
- private Key getKey(int type, long id) {
- Key key = new Key();
- key.type = type;
- key.id = id;
- key.checksum = checkKey(key);
- return key;
- }
-
- /** create a new key for a named object.
- *
- * Keys contain their own checksum instead of using
- * the heavy-weight CheckedMessage wrapper.
- */
- private Key getKey(int type, String name) {
- Key key = new Key();
- key.type = type;
- key.name = name;
- key.checksum = checkKey(key);
- return key;
- }
-
- /** keys need to be strings, serialize and encode. */
- private String keyToBackupKey(Key key) {
- return Base64.encodeToString(Key.toByteArray(key), Base64.NO_WRAP);
- }
-
- /** keys need to be strings, decode and parse. */
- private Key backupKeyToKey(String backupKey) throws InvalidBackupException {
- try {
- Key key = Key.parseFrom(Base64.decode(backupKey, Base64.DEFAULT));
- if (key.checksum != checkKey(key)) {
- throw new InvalidBackupException("invalid key read from stream" + backupKey);
- }
- return key;
- } catch (InvalidProtocolBufferNanoException | IllegalArgumentException e) {
- throw new InvalidBackupException(e);
- }
- }
-
- /** Compute the checksum over the important bits of a key. */
- private long checkKey(Key key) {
- CRC32 checksum = new CRC32();
- checksum.update(key.type);
- checksum.update((int) (key.id & 0xffff));
- checksum.update((int) ((key.id >> 32) & 0xffff));
- if (!TextUtils.isEmpty(key.name)) {
- checksum.update(key.name.getBytes());
- }
- return checksum.getValue();
- }
-
- /**
- * @return true if its an hotseat item, that can be replaced during restore.
- * TODO: Extend check for folders in hotseat.
- */
- private boolean isReplaceableHotseatItem(Favorite favorite) {
- return favorite.container == Favorites.CONTAINER_HOTSEAT
- && favorite.intent != null
- && (favorite.itemType == Favorites.ITEM_TYPE_APPLICATION
- || favorite.itemType == Favorites.ITEM_TYPE_SHORTCUT
- || favorite.itemType == Favorites.ITEM_TYPE_DEEP_SHORTCUT);
- }
-
- /** Serialize a Favorite for persistence, including a checksum wrapper. */
- private Favorite packFavorite(Cursor c) {
- Favorite favorite = new Favorite();
- favorite.id = c.getLong(ID_INDEX);
- favorite.screen = c.getInt(SCREEN_INDEX);
- favorite.container = c.getInt(CONTAINER_INDEX);
- favorite.cellX = c.getInt(CELLX_INDEX);
- favorite.cellY = c.getInt(CELLY_INDEX);
- favorite.spanX = c.getInt(SPANX_INDEX);
- favorite.spanY = c.getInt(SPANY_INDEX);
- favorite.rank = c.getInt(RANK_INDEX);
-
- String title = c.getString(TITLE_INDEX);
- if (!TextUtils.isEmpty(title)) {
- favorite.title = title;
- }
- String intentDescription = c.getString(INTENT_INDEX);
- Intent intent = null;
- if (!TextUtils.isEmpty(intentDescription)) {
- try {
- intent = Intent.parseUri(intentDescription, 0);
- intent.removeExtra(ItemInfo.EXTRA_PROFILE);
- favorite.intent = intent.toUri(0);
- } catch (URISyntaxException e) {
- Log.e(TAG, "Invalid intent", e);
- }
- }
- favorite.itemType = c.getInt(ITEM_TYPE_INDEX);
- if (favorite.itemType == Favorites.ITEM_TYPE_APPWIDGET) {
- favorite.appWidgetId = c.getInt(APPWIDGET_ID_INDEX);
- String appWidgetProvider = c.getString(APPWIDGET_PROVIDER_INDEX);
- if (!TextUtils.isEmpty(appWidgetProvider)) {
- favorite.appWidgetProvider = appWidgetProvider;
- }
- } else if (favorite.itemType == Favorites.ITEM_TYPE_SHORTCUT
- || favorite.itemType == Favorites.ITEM_TYPE_DEEP_SHORTCUT) {
- String iconPackage = c.getString(ICON_PACKAGE_INDEX);
- String iconResource = c.getString(ICON_RESOURCE_INDEX);
- if (!TextUtils.isEmpty(iconPackage) && !TextUtils.isEmpty(iconResource)) {
- favorite.iconResource = iconResource;
- favorite.iconPackage = iconPackage;
- }
-
- byte[] blob = c.getBlob(ICON_INDEX);
- if (blob != null && blob.length > 0) {
- favorite.icon = blob;
- }
- }
-
- if (isReplaceableHotseatItem(favorite)) {
- if (intent != null && intent.getComponent() != null) {
- PackageManager pm = mContext.getPackageManager();
- ActivityInfo activity = null;;
- try {
- activity = pm.getActivityInfo(intent.getComponent(), 0);
- } catch (NameNotFoundException e) {
- Log.e(TAG, "Target not found", e);
- }
- if (activity == null) {
- return favorite;
- }
- for (int i = 0; i < mItemTypeMatchers.length; i++) {
- if (mItemTypeMatchers[i] == null) {
- mItemTypeMatchers[i] = new ItemTypeMatcher(
- CommonAppTypeParser.getResourceForItemType(i));
- }
- if (mItemTypeMatchers[i].matches(activity, pm)) {
- favorite.targetType = i;
- break;
- }
- }
- }
- }
-
- return favorite;
- }
-
- /** Deserialize a Favorite from persistence, after verifying checksum wrapper. */
- private ContentValues unpackFavorite(byte[] buffer, int dataSize)
- throws IOException {
- Favorite favorite = unpackProto(new Favorite(), buffer, dataSize);
-
- // If it is a hotseat item, move it accordingly.
- if (favorite.container == Favorites.CONTAINER_HOTSEAT) {
- favorite.screen += mHotseatShift;
- }
-
- ContentValues values = new ContentValues();
- values.put(Favorites._ID, favorite.id);
- values.put(Favorites.SCREEN, favorite.screen);
- values.put(Favorites.CONTAINER, favorite.container);
- values.put(Favorites.CELLX, favorite.cellX);
- values.put(Favorites.CELLY, favorite.cellY);
- values.put(Favorites.SPANX, favorite.spanX);
- values.put(Favorites.SPANY, favorite.spanY);
- values.put(Favorites.RANK, favorite.rank);
-
- if (favorite.itemType == Favorites.ITEM_TYPE_SHORTCUT
- || favorite.itemType == Favorites.ITEM_TYPE_DEEP_SHORTCUT) {
- values.put(Favorites.ICON_PACKAGE, favorite.iconPackage);
- values.put(Favorites.ICON_RESOURCE, favorite.iconResource);
- values.put(Favorites.ICON, favorite.icon);
- }
-
- if (!TextUtils.isEmpty(favorite.title)) {
- values.put(Favorites.TITLE, favorite.title);
- } else {
- values.put(Favorites.TITLE, "");
- }
- if (!TextUtils.isEmpty(favorite.intent)) {
- values.put(Favorites.INTENT, favorite.intent);
- }
- values.put(Favorites.ITEM_TYPE, favorite.itemType);
-
- UserHandleCompat myUserHandle = UserHandleCompat.myUserHandle();
- long userSerialNumber =
- UserManagerCompat.getInstance(mContext).getSerialNumberForUser(myUserHandle);
- values.put(LauncherSettings.Favorites.PROFILE_ID, userSerialNumber);
-
- // If we will attempt grid resize, use the original profile to validate grid size, as
- // anything which fits in the original grid should fit in the current grid after
- // grid migration.
- DeviceProfieData currentProfile = migrationCompatibleProfileData == null
- ? mDeviceProfileData : migrationCompatibleProfileData;
-
- if (favorite.itemType == Favorites.ITEM_TYPE_APPWIDGET) {
- if (!TextUtils.isEmpty(favorite.appWidgetProvider)) {
- values.put(Favorites.APPWIDGET_PROVIDER, favorite.appWidgetProvider);
- }
- values.put(Favorites.APPWIDGET_ID, favorite.appWidgetId);
- values.put(LauncherSettings.Favorites.RESTORED,
- LauncherAppWidgetInfo.FLAG_ID_NOT_VALID |
- LauncherAppWidgetInfo.FLAG_PROVIDER_NOT_READY |
- LauncherAppWidgetInfo.FLAG_UI_NOT_READY);
-
- // Verify placement
- if (((favorite.cellX + favorite.spanX) > currentProfile.desktopCols)
- || ((favorite.cellY + favorite.spanY) > currentProfile.desktopRows)) {
- restoreSuccessful = false;
- throw new InvalidBackupException("Widget not in screen bounds, aborting restore");
- }
- } else {
- // Check if it is an hotseat item, that can be replaced.
- if (isReplaceableHotseatItem(favorite)
- && favorite.targetType != Favorite.TARGET_NONE
- && favorite.targetType < CommonAppTypeParser.SUPPORTED_TYPE_COUNT) {
- Log.e(TAG, "Added item type flag");
- values.put(LauncherSettings.Favorites.RESTORED,
- 1 | CommonAppTypeParser.encodeItemTypeToFlag(favorite.targetType));
- } else {
- // Let LauncherModel know we've been here.
- values.put(LauncherSettings.Favorites.RESTORED, 1);
- }
-
- // Verify placement
- if (favorite.container == Favorites.CONTAINER_HOTSEAT) {
- if ((favorite.screen >= currentProfile.hotseatCount)
- || (favorite.screen == currentProfile.allappsRank)) {
- restoreSuccessful = false;
- throw new InvalidBackupException("Item not in hotseat bounds, aborting restore");
- }
- } else {
- if ((favorite.cellX >= currentProfile.desktopCols)
- || (favorite.cellY >= currentProfile.desktopRows)) {
- restoreSuccessful = false;
- throw new InvalidBackupException("Item not in desktop bounds, aborting restore");
- }
- }
- }
-
- return values;
- }
-
- /** Serialize a Screen for persistence, including a checksum wrapper. */
- private Screen packScreen(Cursor c) {
- Screen screen = new Screen();
- screen.id = c.getLong(ID_INDEX);
- screen.rank = c.getInt(SCREEN_RANK_INDEX);
- return screen;
- }
-
- /** Deserialize a Screen from persistence, after verifying checksum wrapper. */
- private ContentValues unpackScreen(byte[] buffer, int dataSize)
- throws InvalidProtocolBufferNanoException {
- Screen screen = unpackProto(new Screen(), buffer, dataSize);
- ContentValues values = new ContentValues();
- values.put(WorkspaceScreens._ID, screen.id);
- values.put(WorkspaceScreens.SCREEN_RANK, screen.rank);
- return values;
- }
-
- /** Serialize an icon Resource for persistence, including a checksum wrapper. */
- private Resource packIcon(int dpi, Bitmap icon) {
- Resource res = new Resource();
- res.dpi = dpi;
- res.data = Utilities.flattenBitmap(icon);
- return res;
- }
-
- /** Serialize a widget for persistence, including a checksum wrapper. */
- private Widget packWidget(int dpi, LauncherAppWidgetProviderInfo info) {
- Widget widget = new Widget();
- widget.provider = info.provider.flattenToShortString();
- widget.label = info.label;
- widget.configure = info.configure != null;
- if (info.icon != 0) {
- widget.icon = new Resource();
- Drawable fullResIcon = mIconCache.getFullResIcon(info.provider.getPackageName(), info.icon);
- Bitmap icon = Utilities.createIconBitmap(fullResIcon, mContext);
- widget.icon.data = Utilities.flattenBitmap(icon);
- widget.icon.dpi = dpi;
- }
-
- Point spans = info.getMinSpans(mIdp, mContext);
- widget.minSpanX = spans.x;
- widget.minSpanY = spans.y;
- return widget;
- }
-
- /**
- * Deserialize a proto after verifying checksum wrapper.
- */
- private