• Skip to content
  • Skip to link menu
  • KDE API Reference
  • kdelibs-4.14.38 API Reference
  • KDE Home
  • Contact Us
 

KDECore

  • kdecore
  • kernel
kcomponentdata_p.h
Go to the documentation of this file.
1/* This file is part of the KDE project
2 Copyright (C) 2007 Matthias Kretz <kretz@kde.org>
3
4 This library is free software; you can redistribute it and/or
5 modify it under the terms of the GNU Library General Public
6 License version 2 as published by the Free Software Foundation.
7
8 This library is distributed in the hope that it will be useful,
9 but WITHOUT ANY WARRANTY; without even the implied warranty of
10 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
11 Library General Public License for more details.
12
13 You should have received a copy of the GNU Library General Public License
14 along with this library; see the file COPYING.LIB. If not, write to
15 the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
16 Boston, MA 02110-1301, USA.
17
18*/
19
20#ifndef KERNEL_KCOMPONENTDATA_P_H
21#define KERNEL_KCOMPONENTDATA_P_H
22
23#include "kcomponentdata.h"
24#include <QAtomicInt>
25#include <QtDebug>
26#include <QString>
27
28#include <kconfig.h>
29#include <kaboutdata.h>
30#include <kstandarddirs.h>
31#include <klocale.h>
32
33class KComponentDataPrivate
34{
35public:
36 KComponentDataPrivate(const KAboutData &aboutData_)
37 : dirs(0),
38 aboutData(aboutData_),
39 syncing(false),
40 refCount(1)
41 {
42 if (KGlobal::hasLocale()) {
43 KGlobal::locale()->insertCatalog(aboutData.catalogName());
44 shouldRemoveCatalog = true;
45 } else {
46 shouldRemoveCatalog = false;
47 }
48 }
49
50 ~KComponentDataPrivate()
51 {
52 refCount.fetchAndStoreOrdered(-0x00FFFFFF); //prevent a reentering of the dtor
53 if (shouldRemoveCatalog && KGlobal::hasLocale())
54 KGlobal::locale()->removeCatalog(aboutData.catalogName());
55
56 sharedConfig = 0; //delete the config object first, because it could access the standard dirs while syncing
57 delete dirs;
58 }
59
60 inline void ref()
61 {
62 refCount.ref();
63 //qDebug() << refCount - 1 << "->" << refCount << kBacktrace() << endl;
64 }
65
66 inline void deref()
67 {
68 const int refc = refCount.fetchAndAddOrdered(-1) - 1;
69 //qDebug() << refCount + 1 << "->" << refCount << kBacktrace() << endl;
70 if (refc == 0) {
71 delete this;
72 } else if (refc == 1 && sharedConfig && sharedConfig->componentData().d == this) { //sharedConfig has a reference to us
73 if (sharedConfig.count() == 1) { //we are the only class with a reference to the config object
74 delete this;
75 } else if (sharedConfig.count() > 0) { //there are other references to it.
76 sharedConfig->ref.deref(); //we don't have a reference to the config object anymore, but it has still a reference to us
77 //this breaks the circular dependencies
78 }
79 }
80 }
81
82 void lazyInit(const KComponentData &component);
83 void configInit(const KComponentData &component); //call this only from lazyInit()!
84
85 KStandardDirs *dirs;
86 KAboutData aboutData;
87 QString configName;
88 KSharedConfig::Ptr sharedConfig;
89 bool syncing;
90
91private:
92 bool shouldRemoveCatalog;
93 QAtomicInt refCount;
94 KComponentDataPrivate(const KComponentDataPrivate&);
95 KComponentDataPrivate &operator=(const KComponentDataPrivate&);
96};
97
98#endif // KERNEL_KCOMPONENTDATA_P_H
99// vim: sw=4 sts=4 et tw=100
KAboutData
This class is used to store information about a program.
Definition: kaboutdata.h:193
KAboutData::catalogName
QString catalogName() const
Returns the program's translation catalog name.
Definition: kaboutdata.cpp:765
KComponentDataPrivate
Definition: kcomponentdata_p.h:34
KComponentDataPrivate::KComponentDataPrivate
KComponentDataPrivate(const KAboutData &aboutData_)
Definition: kcomponentdata_p.h:36
KComponentDataPrivate::configInit
void configInit(const KComponentData &component)
Definition: kcomponentdata.cpp:165
KComponentDataPrivate::configName
QString configName
Definition: kcomponentdata_p.h:87
KComponentDataPrivate::aboutData
KAboutData aboutData
Definition: kcomponentdata_p.h:86
KComponentDataPrivate::~KComponentDataPrivate
~KComponentDataPrivate()
Definition: kcomponentdata_p.h:50
KComponentDataPrivate::dirs
KStandardDirs * dirs
Definition: kcomponentdata_p.h:85
KComponentDataPrivate::ref
void ref()
Definition: kcomponentdata_p.h:60
KComponentDataPrivate::lazyInit
void lazyInit(const KComponentData &component)
Definition: kcomponentdata.cpp:133
KComponentDataPrivate::deref
void deref()
Definition: kcomponentdata_p.h:66
KComponentDataPrivate::syncing
bool syncing
Definition: kcomponentdata_p.h:89
KComponentDataPrivate::sharedConfig
KSharedConfig::Ptr sharedConfig
Definition: kcomponentdata_p.h:88
KComponentData
Per component data.
Definition: kcomponentdata.h:47
KConfig::componentData
const KComponentData & componentData() const
Returns the component data this configuration is for.
Definition: kconfig.cpp:255
KLocale::insertCatalog
void insertCatalog(const QString &catalog)
Adds another catalog to search for translation lookup.
Definition: klocale.cpp:136
KLocale::removeCatalog
void removeCatalog(const QString &catalog)
Removes a catalog for translation lookup.
Definition: klocale.cpp:141
KSharedPtr< KSharedConfig >
KSharedPtr::count
int count() const
Returns the number of references.
Definition: ksharedptr.h:144
KStandardDirs
Site-independent access to standard KDE directories.
Definition: kstandarddirs.h:172
QString
kaboutdata.h
kcomponentdata.h
kconfig.h
klocale.h
kstandarddirs.h
KGlobal::locale
KLocale * locale()
Returns the global locale object.
Definition: kglobal.cpp:170
KGlobal::hasLocale
bool hasLocale()
Definition: kglobal.cpp:205
This file is part of the KDE documentation.
Documentation copyright © 1996-2023 The KDE developers.
Generated on Mon Feb 20 2023 00:00:00 by doxygen 1.9.6 written by Dimitri van Heesch, © 1997-2006

KDE's Doxygen guidelines are available online.

KDECore

Skip menu "KDECore"
  • Main Page
  • Namespace List
  • Namespace Members
  • Alphabetical List
  • Class List
  • Class Hierarchy
  • Class Members
  • File List
  • File Members
  • Modules
  • Related Pages

kdelibs-4.14.38 API Reference

Skip menu "kdelibs-4.14.38 API Reference"
  • DNSSD
  • Interfaces
  •   KHexEdit
  •   KMediaPlayer
  •   KSpeech
  •   KTextEditor
  • kconf_update
  • KDE3Support
  •   KUnitTest
  • KDECore
  • KDED
  • KDEsu
  • KDEUI
  • KDEWebKit
  • KDocTools
  • KFile
  • KHTML
  • KImgIO
  • KInit
  • kio
  • KIOSlave
  • KJS
  •   KJS-API
  •   WTF
  • kjsembed
  • KNewStuff
  • KParts
  • KPty
  • Kross
  • KUnitConversion
  • KUtils
  • Nepomuk
  • Plasma
  • Solid
  • Sonnet
  • ThreadWeaver
Report problems with this website to our bug tracking system.
Contact the specific authors with questions and comments about the page contents.

KDE® and the K Desktop Environment® logo are registered trademarks of KDE e.V. | Legal