signon  8.42
signondisposable.h
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1 /*
2  * This file is part of signon
3  *
4  * Copyright (C) 2010 Nokia Corporation.
5  *
6  * Contact: Alberto Mardegan <alberto.mardegan@canonical.com>
7  *
8  * This library is free software; you can redistribute it and/or
9  * modify it under the terms of the GNU Lesser General Public License
10  * version 2.1 as published by the Free Software Foundation.
11  *
12  * This library is distributed in the hope that it will be useful, but
13  * WITHOUT ANY WARRANTY; without even the implied warranty of
14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15  * Lesser General Public License for more details.
16  *
17  * You should have received a copy of the GNU Lesser General Public
18  * License along with this library; if not, write to the Free Software
19  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
20  * 02110-1301 USA
21  */
22 
23 #ifndef SIGNONDISPOSABLE_H_
24 #define SIGNONDISPOSABLE_H_
25 
26 #include "signond-common.h"
27 
28 #include <QtCore>
29 #include <time.h>
30 
31 namespace SignonDaemonNS {
32 
39 class SignonDisposable: public QObject
40 {
41  Q_OBJECT
42 
43 protected:
44  virtual ~SignonDisposable();
45 
46 public:
54  SignonDisposable(int maxInactivity, QObject *parent);
55 
60  virtual void destroy() { deleteLater(); }
61 
66  void keepInUse() const;
67 
73  void setAutoDestruct(bool value = true) const;
74 
83  static void invokeOnIdle(int maxInactivity,
84  QObject *object, const char *member);
85 
86 public Q_SLOTS:
91  static void destroyUnused();
92 
93 private:
94  int maxInactivity;
95  mutable time_t lastActivity;
96  mutable bool autoDestruct;
97 }; //class SignonDaemon
98 
99 } //namespace SignonDaemonNS
100 
101 #endif /* SIGNONDISPOSABLE_H_ */