File indexing completed on 2024-04-14 14:19:57

 /* This file is part of the KDE libraries
    Copyright (C) 1999 Torben Weis <weis@kde.org>
    Copyright (C) 2007 Matthias Kretz <kretz@kde.org>
    Copyright (C) 2007 Bernhard Loos <nhuh.put@web.de>
 
    This library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Library General Public
    License version 2 as published by the Free Software Foundation.
 
    This library 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
    Library General Public License for more details.
 
    You should have received a copy of the GNU Library General Public License
    along with this library; see the file COPYING.LIB.  If not, write to
    the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
    Boston, MA 02110-1301, USA.
 */
 
 #include "kcomponentdata.h"
 #include "kcomponentdata_p.h"
 
 #include <QCoreApplication>
 
 #include "kaboutdata.h"
 #include "k4aboutdata.h"
 #include "kconfig.h"
 #include "kconfiggroup.h"
 #include <QtDebug>
 
 #ifndef NDEBUG
 #define MYASSERT(x) if (!x) \
         qFatal("Fatal error: you need to have a KComponentData object before\n" \
                "you do anything that requires it! Examples of this are config\n" \
                "objects, standard directories or translations.");
 #else
 #define MYASSERT(x) /* nope */
 #endif
 
 KComponentData::KComponentData()
     : d(nullptr)
 {
 }
 
 KComponentData::KComponentData(const KComponentData &rhs)
     : d(rhs.d)
 {
     if (d) {
         d->ref();
     }
 }
 
 KComponentData &KComponentData::operator=(const KComponentData &rhs)
 {
     if (rhs.d != d) {
         if (rhs.d) {
             rhs.d->ref();
         }
         if (d) {
             d->deref();
         }
         d = rhs.d;
     }
     return *this;
 }
 
 bool KComponentData::operator==(const KComponentData &rhs) const
 {
     return d == rhs.d;
 }
 
 bool KComponentData::operator!=(const KComponentData &rhs) const
 {
     return !operator==(rhs);
 }
 
 enum KdeLibraryPathsAdded {
     NeedLazyInit,
     LazyInitDone,
     KdeLibraryPathsAddedDone
 };
 static KdeLibraryPathsAdded kdeLibraryPathsAdded = NeedLazyInit;
 
 class KComponentDataStatic
 {
 public:
     KComponentData mainComponent; // holds a refcount
     KComponentData activeComponent;
 
     void newComponentData(const KComponentData &c)
     {
         if (mainComponent.isValid()) {
             return;
         }
         mainComponent = c;
         KAboutData::setApplicationData(KAboutData(*c.aboutData()));
         KConfig::setMainConfigName(c.aboutData()->appName() + QLatin1String("rc"));
 #if 0 // no longer available in KF5
         KLocale::setMainCatalog(c.catalogName());
 #endif
         KComponentData::setActiveComponent(c);
     }
 };
 
 /**
  * This component may be used in applications that doesn't have a
  * main component (such as pure Qt applications).
  */
 static KComponentData initFakeComponent()
 {
     QString name = QCoreApplication::applicationName();
     if (name.isEmpty() && QCoreApplication::instance()) {
         name = qAppName();
     }
     if (name.isEmpty()) {
         name = QString::fromLatin1("kde");
     }
     return KComponentData(name.toLatin1(), name.toLatin1(),
                           KComponentData::SkipMainComponentRegistration);
 }
 
 Q_GLOBAL_STATIC(KComponentDataStatic, globalStatic)
 Q_GLOBAL_STATIC_WITH_ARGS(KComponentData, fakeComponent, (initFakeComponent()))
 
 KComponentData::KComponentData(const QByteArray &name, const QByteArray &catalog, MainComponentRegistration registerAsMain)
     : d(new KComponentDataPrivate(K4AboutData(name, catalog, KLocalizedString(), QByteArray())))
 {
     Q_ASSERT(!name.isEmpty());
 
     if (kdeLibraryPathsAdded == NeedLazyInit) {
         kdeLibraryPathsAdded = LazyInitDone;
         d->lazyInit();
     }
 
     if (registerAsMain == RegisterAsMainComponent) {
         globalStatic()->newComponentData(*this);
     }
 }
 
 KComponentData::KComponentData(const K4AboutData *aboutData, MainComponentRegistration registerAsMain)
     : d(new KComponentDataPrivate(*aboutData))
 {
     Q_ASSERT(!aboutData->appName().isEmpty());
 
     if (kdeLibraryPathsAdded == NeedLazyInit) {
         kdeLibraryPathsAdded = LazyInitDone;
         d->lazyInit();
     }
 
     if (registerAsMain == RegisterAsMainComponent) {
         globalStatic()->newComponentData(*this);
     }
 }
 
 KComponentData::KComponentData(const K4AboutData &aboutData, MainComponentRegistration registerAsMain)
     : d(new KComponentDataPrivate(aboutData))
 {
     Q_ASSERT(!aboutData.appName().isEmpty());
 
     if (kdeLibraryPathsAdded == NeedLazyInit) {
         kdeLibraryPathsAdded = LazyInitDone;
         d->lazyInit();
     }
 
     if (registerAsMain == RegisterAsMainComponent) {
         globalStatic()->newComponentData(*this);
     }
 }
 
 KComponentData::~KComponentData()
 {
     if (d) {
         d->deref();
         d = nullptr;
     }
 }
 
 bool KComponentData::isValid() const
 {
     return (d != nullptr);
 }
 
 void KComponentDataPrivate::lazyInit()
 {
     if (!sharedConfig) {
         configInit();
     }
 
 #if 0 // obsolete in KF5
 #ifdef Q_OS_WIN
     if (QCoreApplication::instance() && kdeLibraryPathsAdded != KdeLibraryPathsAddedDone) {
 #else
     // the first KComponentData sets the KDE Qt plugin paths
     if (kdeLibraryPathsAdded != KdeLibraryPathsAddedDone) {
 #endif
         kdeLibraryPathsAdded = KdeLibraryPathsAddedDone;
         const QStringList &plugins = dirs->resourceDirs("qtplugins");
         QStringList::ConstIterator it = plugins.begin();
         while (it != plugins.end()) {
             QCoreApplication::addLibraryPath(*it);
             ++it;
         }
     }
 #endif
 }
 
 extern KCONFIGCORE_EXPORT bool kde_kiosk_exception;
 bool kde_kiosk_admin = false;
 
 void KComponentDataPrivate::configInit()
 {
     Q_ASSERT(!sharedConfig);
 
     if (!configName.isEmpty()) {
         sharedConfig = KSharedConfig::openConfig(configName);
 
         //FIXME: this is broken and I don't know how to repair it
         // Check whether custom config files are allowed.
         KConfigGroup cg(sharedConfig, "KDE Action Restrictions");
         QString kioskException = cg.readEntry("kiosk_exception");
         if (!cg.readEntry("custom_config", true)) {
             sharedConfig = nullptr;
         }
     }
 
     if (!sharedConfig) {
         // was: KSharedConfig::openConfig(component)
         sharedConfig = KSharedConfig::openConfig(aboutData.appName() + QLatin1String("rc"));
     }
 
     // Check if we are excempt from kiosk restrictions
     if (kde_kiosk_admin && !kde_kiosk_exception && !qgetenv("KDE_KIOSK_NO_RESTRICTIONS").isEmpty()) {
         kde_kiosk_exception = true;
         sharedConfig = nullptr;
         configInit(); // Reread...
     }
 }
 
 const KSharedConfig::Ptr &KComponentData::config() const
 {
     Q_ASSERT(d);
     d->lazyInit();
 
     return d->sharedConfig;
 }
 
 void KComponentData::setConfigName(const QString &configName)
 {
     Q_ASSERT(d);
     d->configName = configName;
 }
 
 const K4AboutData *KComponentData::aboutData() const
 {
     Q_ASSERT(d);
     return &d->aboutData;
 }
 
 void KComponentData::setAboutData(const K4AboutData &aboutData)
 {
     d->aboutData = aboutData;
 }
 
 QString KComponentData::componentName() const
 {
     Q_ASSERT(d);
     return d->aboutData.appName();
 }
 
 QString KComponentData::catalogName() const
 {
     Q_ASSERT(d);
     return d->aboutData.catalogName();
 }
 
 bool KComponentData::hasMainComponent()
 {
     KComponentDataStatic *s = globalStatic();
     return s && s->mainComponent.isValid();
 }
 
 const KComponentData &KComponentData::mainComponent()
 {
     KComponentDataStatic *s = globalStatic();
     return s && s->mainComponent.isValid() ? s->mainComponent : *fakeComponent();
 }
 
 const KComponentData &KComponentData::activeComponent()
 {
     MYASSERT(globalStatic()->activeComponent.isValid());
     return globalStatic()->activeComponent;
 }
 
 void KComponentData::setActiveComponent(const KComponentData &c)
 {
     globalStatic()->activeComponent = c;
 #if 0 // no longer available in KF5
     if (c.isValid()) {
         KLocale::global()->setActiveCatalog(c.catalogName());
     }
 #endif
 }
 
 KComponentData::operator KAboutData() const
 {
     return KAboutData(*aboutData());
 }
 
 void KComponentData::virtual_hook(int, void *)
 {
     /*BASE::virtual_hook(id, data);*/
 }