110 lines
3.0 KiB
C#
110 lines
3.0 KiB
C#
/*
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This file is part of Keepass2Android, Copyright 2013 Philipp Crocoll. This file is based on Keepassdroid, Copyright Brian Pellin.
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Keepass2Android is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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Keepass2Android is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with Keepass2Android. If not, see <http://www.gnu.org/licenses/>.
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*/
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using System;
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using Android.App;
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using Android.Content;
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using Android.Preferences;
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using Android.Util;
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using KeePassLib.Serialization;
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namespace keepass2android
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{
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/// <summary>
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/// Helper class to simplify usage of timeout (lock after idle time) from the activities
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/// </summary>
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public class TimeoutHelper {
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private static class Timeout
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{
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private const long DefaultTimeout = 5 * 60 * 1000; // 5 minutes
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private static PendingIntent BuildIntent(Context ctx)
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{
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return PendingIntent.GetBroadcast(ctx, 0, new Intent(Intents.LockDatabase), PendingIntentFlags.UpdateCurrent);
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}
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public static void Start(Context ctx)
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{
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ISharedPreferences prefs = PreferenceManager.GetDefaultSharedPreferences(ctx);
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String sTimeout = prefs.GetString(ctx.GetString(Resource.String.app_timeout_key), ctx.GetString(Resource.String.clipboard_timeout_default));
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long timeout;
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if (!long.TryParse(sTimeout, out timeout))
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{
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timeout = DefaultTimeout;
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}
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if (timeout == -1)
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{
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// No timeout don't start timeout service
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return;
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}
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long triggerTime = Java.Lang.JavaSystem.CurrentTimeMillis() + timeout;
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AlarmManager am = (AlarmManager)ctx.GetSystemService(Context.AlarmService);
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Kp2aLog.Log("Timeout start");
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am.Set(AlarmType.Rtc, triggerTime, BuildIntent(ctx));
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}
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public static void Cancel(Context ctx)
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{
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AlarmManager am = (AlarmManager)ctx.GetSystemService(Context.AlarmService);
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Kp2aLog.Log("Timeout cancel");
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am.Cancel(BuildIntent(ctx));
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}
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}
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public static void Pause(Activity act)
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{
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if ( App.Kp2a.DatabaseIsUnlocked )
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{
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Timeout.Start(act);
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}
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}
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public static void Resume(Activity act)
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{
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if ( App.Kp2a.GetDb().Loaded )
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{
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Timeout.Cancel(act);
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}
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}
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static bool IocChanged(IOConnectionInfo ioc, IOConnectionInfo other)
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{
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if ((ioc == null) || (other == null)) return false;
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return ioc.GetDisplayName() != other.GetDisplayName();
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}
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public static bool CheckShutdown(Activity act, IOConnectionInfo ioc) {
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if (( !App.Kp2a.DatabaseIsUnlocked )
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|| (IocChanged(ioc, App.Kp2a.GetDb().Ioc))) //file was changed from ActionSend-Intent
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{
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App.Kp2a.LockDatabase();
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return true;
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}
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return false;
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}
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}
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}
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