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diff --git a/src/com/android/gallery3d/onetimeinitializer/GalleryWidgetMigrator.java b/src/com/android/gallery3d/onetimeinitializer/GalleryWidgetMigrator.java
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index ef26b1b97..000000000
--- a/src/com/android/gallery3d/onetimeinitializer/GalleryWidgetMigrator.java
+++ /dev/null
@@ -1,169 +0,0 @@
-/*
- * Copyright (C) 2012 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.gallery3d.onetimeinitializer;
-
-import android.content.Context;
-import android.content.SharedPreferences;
-import android.os.Build;
-import android.os.Environment;
-import android.preference.PreferenceManager;
-import android.util.Log;
-
-import com.android.gallery3d.app.GalleryApp;
-import com.android.gallery3d.common.ApiHelper;
-import com.android.gallery3d.data.DataManager;
-import com.android.gallery3d.data.LocalAlbum;
-import com.android.gallery3d.data.MediaSet;
-import com.android.gallery3d.data.Path;
-import com.android.gallery3d.gadget.WidgetDatabaseHelper;
-import com.android.gallery3d.gadget.WidgetDatabaseHelper.Entry;
-import com.android.gallery3d.util.GalleryUtils;
-
-import java.io.File;
-import java.util.HashMap;
-import java.util.List;
-
-/**
- * This one-timer migrates local-album gallery app widgets from old paths from prior releases
- * to updated paths in the current build version. This migration is needed because of
- * bucket ID (i.e., directory hash) change in JB and JB MR1 (The external storage path has changed
- * from /mnt/sdcard in pre-JB releases, to /storage/sdcard0 in JB, then again
- * to /external/storage/sdcard/0 in JB MR1).
- */
-public class GalleryWidgetMigrator {
- private static final String TAG = "GalleryWidgetMigrator";
- private static final String PRE_JB_EXT_PATH = "/mnt/sdcard";
- private static final String JB_EXT_PATH = "/storage/sdcard0";
- private static final String NEW_EXT_PATH =
- Environment.getExternalStorageDirectory().getAbsolutePath();
- private static final int RELATIVE_PATH_START = NEW_EXT_PATH.length();
- private static final String KEY_EXT_PATH = "external_storage_path";
-
- /**
- * Migrates local-album gallery widgets from prior releases to current release
- * due to bucket ID (i.e., directory hash) change.
- */
- public static void migrateGalleryWidgets(Context context) {
- SharedPreferences prefs = PreferenceManager.getDefaultSharedPreferences(context);
- // Migration is only needed when external storage path has changed
- String extPath = prefs.getString(KEY_EXT_PATH, null);
- boolean isDone = NEW_EXT_PATH.equals(extPath);
- if (isDone) return;
-
- try {
- migrateGalleryWidgetsInternal(context);
- prefs.edit().putString(KEY_EXT_PATH, NEW_EXT_PATH).commit();
- } catch (Throwable t) {
- // exception may be thrown if external storage is not available(?)
- Log.w(TAG, "migrateGalleryWidgets", t);
- }
- }
-
- private static void migrateGalleryWidgetsInternal(Context context) {
- GalleryApp galleryApp = (GalleryApp) context.getApplicationContext();
- DataManager manager = galleryApp.getDataManager();
- WidgetDatabaseHelper dbHelper = new WidgetDatabaseHelper(context);
-
- // only need to migrate local-album entries of type TYPE_ALBUM
- List<Entry> entries = dbHelper.getEntries(WidgetDatabaseHelper.TYPE_ALBUM);
- if (entries == null) return;
-
- // Check each entry's relativePath. If exists, update bucket id using relative
- // path combined with external storage path. Otherwise, iterate through old external
- // storage paths to find the relative path that matches the old bucket id, and then update
- // bucket id and relative path
- HashMap<Integer, Entry> localEntries = new HashMap<Integer, Entry>(entries.size());
- for (Entry entry : entries) {
- Path path = Path.fromString(entry.albumPath);
- MediaSet mediaSet = (MediaSet) manager.getMediaObject(path);
- if (mediaSet instanceof LocalAlbum) {
- if (entry.relativePath != null && entry.relativePath.length() > 0) {
- // update entry using relative path + external storage path
- updateEntryUsingRelativePath(entry, dbHelper);
- } else {
- int bucketId = Integer.parseInt(path.getSuffix());
- localEntries.put(bucketId, entry);
- }
- }
- }
- if (!localEntries.isEmpty()) migrateLocalEntries(context, localEntries, dbHelper);
- }
-
- private static void migrateLocalEntries(Context context,
- HashMap<Integer, Entry> entries, WidgetDatabaseHelper dbHelper) {
- SharedPreferences prefs = PreferenceManager.getDefaultSharedPreferences(context);
- String oldExtPath = prefs.getString(KEY_EXT_PATH, null);
- if (oldExtPath != null) {
- migrateLocalEntries(entries, dbHelper, oldExtPath);
- return;
- }
- // If old external storage path is unknown, it could be either Pre-JB or JB version
- // we need to try both.
- migrateLocalEntries(entries, dbHelper, PRE_JB_EXT_PATH);
- if (!entries.isEmpty() &&
- Build.VERSION.SDK_INT > ApiHelper.VERSION_CODES.JELLY_BEAN) {
- migrateLocalEntries(entries, dbHelper, JB_EXT_PATH);
- }
- }
-
- private static void migrateLocalEntries(HashMap<Integer, Entry> entries,
- WidgetDatabaseHelper dbHelper, String oldExtPath) {
- File root = Environment.getExternalStorageDirectory();
- // check the DCIM directory first; this should take care of 99% use cases
- updatePath(new File(root, "DCIM"), entries, dbHelper, oldExtPath);
- // check other directories if DCIM doesn't cut it
- if (!entries.isEmpty()) updatePath(root, entries, dbHelper, oldExtPath);
- }
- private static void updatePath(File root, HashMap<Integer, Entry> entries,
- WidgetDatabaseHelper dbHelper, String oldExtStorage) {
- File[] files = root.listFiles();
- if (files != null) {
- for (File file : files) {
- if (file.isDirectory() && !entries.isEmpty()) {
- String path = file.getAbsolutePath();
- String oldPath = oldExtStorage + path.substring(RELATIVE_PATH_START);
- int oldBucketId = GalleryUtils.getBucketId(oldPath);
- Entry entry = entries.remove(oldBucketId);
- if (entry != null) {
- int newBucketId = GalleryUtils.getBucketId(path);
- String newAlbumPath = Path.fromString(entry.albumPath)
- .getParent()
- .getChild(newBucketId)
- .toString();
- Log.d(TAG, "migrate from " + entry.albumPath + " to " + newAlbumPath);
- entry.albumPath = newAlbumPath;
- // update entry's relative path
- entry.relativePath = path.substring(RELATIVE_PATH_START);
- dbHelper.updateEntry(entry);
- }
- updatePath(file, entries, dbHelper, oldExtStorage); // recursion
- }
- }
- }
- }
-
- private static void updateEntryUsingRelativePath(Entry entry, WidgetDatabaseHelper dbHelper) {
- String newPath = NEW_EXT_PATH + entry.relativePath;
- int newBucketId = GalleryUtils.getBucketId(newPath);
- String newAlbumPath = Path.fromString(entry.albumPath)
- .getParent()
- .getChild(newBucketId)
- .toString();
- entry.albumPath = newAlbumPath;
- dbHelper.updateEntry(entry);
- }
-}