File indexing completed on 2024-04-14 03:51:47

 /*
     This file is part of the KDE libraries
 
     SPDX-FileCopyrightText: 2001 Waldo Bastian <bastian@kde.org>
 
     SPDX-License-Identifier: LGPL-2.0-or-later
 */
 
 #include "kdedmodule.h"
 #include "kdbusaddons_debug.h"
 
 #include <QDBusConnection>
 #include <QDBusMessage>
 #include <QDBusObjectPath>
 
 class KDEDModulePrivate
 {
 public:
     QString moduleName;
 };
 
 KDEDModule::KDEDModule(QObject *parent)
     : QObject(parent)
     , d(new KDEDModulePrivate)
 {
 }
 
 KDEDModule::~KDEDModule()
 {
 }
 
 void KDEDModule::setModuleName(const QString &name)
 {
     d->moduleName = name;
     QDBusObjectPath realPath(QLatin1String("/modules/") + d->moduleName);
 
     if (realPath.path().isEmpty()) {
         qCWarning(KDBUSADDONS_LOG) << "The kded module name" << name << "is invalid!";
         return;
     }
 
     QDBusConnection::RegisterOptions regOptions;
 
     if (this->metaObject()->indexOfClassInfo("D-Bus Interface") != -1) {
         // 1. There are kded modules that don't have a D-Bus interface.
         // 2. qt 4.4.3 crashes when trying to emit signals on class without
         //    Q_CLASSINFO("D-Bus Interface", "<your interface>") but
         //    ExportSignal set.
         // We try to solve that for now with just registering Properties and
         // Adaptors. But we should investigate where the sense is in registering
         // the module at all. Just for autoload? Is there a better solution?
         regOptions = QDBusConnection::ExportScriptableContents | QDBusConnection::ExportAdaptors;
     } else {
         // Full functional module. Register everything.
         regOptions = QDBusConnection::ExportScriptableSlots //
             | QDBusConnection::ExportScriptableProperties //
             | QDBusConnection::ExportAdaptors;
         qCDebug(KDBUSADDONS_LOG) << "Registration of kded module" << d->moduleName << "without D-Bus interface.";
     }
 
     if (!QDBusConnection::sessionBus().registerObject(realPath.path(), this, regOptions)) {
         // Happens for khotkeys but the module works. Need some time to investigate.
         qCDebug(KDBUSADDONS_LOG) << "registerObject() returned false for" << d->moduleName;
     } else {
         // qCDebug(KDBUSADDONS_LOG) << "registerObject() successful for" << d->moduleName;
         // Fix deadlock with Qt 5.6: this has to be delayed until the dbus thread is unlocked
         auto registeredSignal = [this, realPath]() {
             moduleRegistered(realPath);
         };
         QMetaObject::invokeMethod(this, registeredSignal, Qt::QueuedConnection);
     }
 }
 
 QString KDEDModule::moduleName() const
 {
     return d->moduleName;
 }
 
 static const char s_modules_path[] = "/modules/";
 
 QString KDEDModule::moduleForMessage(const QDBusMessage &message)
 {
     if (message.type() != QDBusMessage::MethodCallMessage) {
         return QString();
     }
 
     QString obj = message.path();
     if (!obj.startsWith(QLatin1String(s_modules_path))) {
         return QString();
     }
 
     // Remove the <s_modules_path> part
     obj = obj.mid(strlen(s_modules_path));
 
     // Remove the part after the modules name
     const int index = obj.indexOf(QLatin1Char('/'));
     if (index != -1) {
         obj = obj.left(index);
     }
 
     return obj;
 }
 
 #include "moc_kdedmodule.cpp"