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/*
* 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.BackupAgentHelper;
import android.app.backup.BackupManager;
import android.app.backup.SharedPreferencesBackupHelper;
import android.content.Context;
import android.content.SharedPreferences;
import android.provider.Settings;
import android.util.Log;
public class LauncherBackupAgentHelper extends BackupAgentHelper {
private static final String TAG = "LauncherBackupAgentHelper";
static final boolean VERBOSE = true;
static final boolean DEBUG = false;
private static BackupManager sBackupManager;
protected static final String SETTING_RESTORE_ENABLED = "launcher_restore_enabled";
/**
* Notify the backup manager that out database is dirty.
*
* <P>This does not force an immediate backup.
*
* @param context application context
*/
public static void dataChanged(Context context) {
if (sBackupManager == null) {
sBackupManager = new BackupManager(context);
}
sBackupManager.dataChanged();
}
@Override
public void onDestroy() {
// There is only one process accessing this preference file, but the restore
// modifies the file outside the normal codepaths, so it looks like another
// process. This forces a reload of the file, in case this process persists.
String spKey = LauncherAppState.getSharedPreferencesKey();
SharedPreferences sp = getSharedPreferences(spKey, Context.MODE_MULTI_PROCESS);
super.onDestroy();
}
@Override
public void onCreate() {
boolean restoreEnabled = 0 != Settings.Secure.getInt(
getContentResolver(), SETTING_RESTORE_ENABLED, 1);
if (VERBOSE) Log.v(TAG, "restore is " + (restoreEnabled ? "enabled" : "disabled"));
addHelper(LauncherBackupHelper.LAUNCHER_PREFS_PREFIX,
new LauncherPreferencesBackupHelper(this,
LauncherAppState.getSharedPreferencesKey(),
restoreEnabled));
addHelper(LauncherBackupHelper.LAUNCHER_PREFIX,
new LauncherBackupHelper(this, restoreEnabled));
}
}
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