/*
 * ConnectBot: simple, powerful, open-source SSH client for Android
 * Copyright 2010 Kenny Root, Jeffrey Sharkey
 *
 * 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.five_ten_sg.connectbot.service;

import java.io.IOException;

import com.five_ten_sg.connectbot.util.HostDatabase;
import com.five_ten_sg.connectbot.util.PreferenceConstants;
import com.five_ten_sg.connectbot.util.PubkeyDatabase;
import android.app.backup.BackupAgentHelper;
import android.app.backup.BackupDataInput;
import android.app.backup.BackupDataOutput;
import android.app.backup.FileBackupHelper;
import android.app.backup.SharedPreferencesBackupHelper;
import android.os.ParcelFileDescriptor;
import android.util.Log;

/**
 * @author kroot
 *
 */
public class BackupAgent extends BackupAgentHelper {
    @Override
    public void onCreate() {
        Log.d("ConnectBot.BackupAgent", "onCreate called");
        SharedPreferencesBackupHelper prefs = new SharedPreferencesBackupHelper(this, getPackageName() + "_preferences");
        addHelper(PreferenceConstants.BACKUP_PREF_KEY, prefs);
        FileBackupHelper hosts = new FileBackupHelper(this, "../databases/" + HostDatabase.DB_NAME);
        addHelper(HostDatabase.DB_NAME, hosts);
        FileBackupHelper pubkeys = new FileBackupHelper(this, "../databases/" + PubkeyDatabase.DB_NAME);
        addHelper(PubkeyDatabase.DB_NAME, pubkeys);
    }

    @Override
    public void onBackup(ParcelFileDescriptor oldState, BackupDataOutput data,
                         ParcelFileDescriptor newState) throws IOException {
        synchronized (HostDatabase.dbLock) {
            super.onBackup(oldState, data, newState);
        }
    }

    @Override
    public void onRestore(BackupDataInput data, int appVersionCode,
                          ParcelFileDescriptor newState) throws IOException {
        Log.d("ConnectBot.BackupAgent", "onRestore called");

        synchronized (HostDatabase.dbLock) {
            Log.d("ConnectBot.BackupAgent", "onRestore in-lock");
            super.onRestore(data, appVersionCode, newState);
        }
    }
}