keepass2android/src/keepass2android/LockCloseListActivity.cs

110 lines
2.8 KiB
C#

/*
This file is part of Keepass2Android, Copyright 2013 Philipp Crocoll. This file is based on Keepassdroid, Copyright Brian Pellin.
Keepass2Android is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
Keepass2Android is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with Keepass2Android. If not, see <http://www.gnu.org/licenses/>.
*/
using System;
using Android.Content;
using Android.OS;
using Android.Preferences;
using Android.Runtime;
using KeePassLib.Serialization;
namespace keepass2android
{
/// <summary>
/// Base class for list activities displaying sensitive information.
/// </summary>
/// Checks in OnResume whether the timeout occured and the database must be locked/closed.
public class LockCloseListActivity : LockingListActivity {
public LockCloseListActivity()
{
}
IOConnectionInfo _ioc;
private BroadcastReceiver _intentReceiver;
protected override void OnCreate(Bundle savedInstanceState)
{
base.OnCreate(savedInstanceState);
_ioc = App.Kp2a.GetDb().Ioc;
_intentReceiver = new LockCloseListActivityBroadcastReceiver(this);
IntentFilter filter = new IntentFilter();
filter.AddAction(Intents.DatabaseLocked);
filter.AddAction(Intent.ActionScreenOff);
RegisterReceiver(_intentReceiver, filter);
}
public LockCloseListActivity (IntPtr javaReference, JniHandleOwnership transfer)
: base(javaReference, transfer)
{
}
protected override void OnResume()
{
base.OnResume();
if (TimeoutHelper.CheckShutdown(this, _ioc))
return;
//todo: see LockCloseActivity.OnResume
App.Kp2a.CheckForOpenFileChanged(this);
}
protected override void OnDestroy()
{
UnregisterReceiver(_intentReceiver);
base.OnDestroy();
}
private void OnLockDatabase()
{
Kp2aLog.Log("Finishing " + ComponentName.ClassName + " due to database lock");
SetResult(KeePass.ExitLock);
Finish();
}
private class LockCloseListActivityBroadcastReceiver : BroadcastReceiver
{
readonly LockCloseListActivity _service;
public LockCloseListActivityBroadcastReceiver(LockCloseListActivity service)
{
_service = service;
}
public override void OnReceive(Context context, Intent intent)
{
switch (intent.Action)
{
case Intents.DatabaseLocked:
_service.OnLockDatabase();
break;
case Intent.ActionScreenOff:
App.Kp2a.OnScreenOff();
break;
}
}
}
}
}