signon  8.58
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_ */
SignonDisposable(int maxInactivity, QObject *parent)
Construct an object that can be automatically destroyed after having being unused for seconds...
Base class for server objects that can be automatically destroyed after a certain period of inactivit...
static void invokeOnIdle(int maxInactivity, QObject *object, const char *member)
Invoke the specified method on when there are no disposable objects for more than seconds...
static void destroyUnused()
Deletes all disposable object for which the inactivity time has elapsed.
virtual void destroy()
Performs any predestruction operations and the destruction itself.
void setAutoDestruct(bool value=true) const
Mark the object as used.
void keepInUse() const
Mark the object as used.