File indexing completed on 2024-05-12 15:44:52

 /*
     This file is part of the KDE libraries
     SPDX-FileCopyrightText: 2003 David Faure <faure@kde.org>
 
     SPDX-License-Identifier: LGPL-2.0-only
 */
 
 #include "kdbusservicestarter.h"
 #include "kservice.h"
 #include "kservicetypetrader.h"
 #include <KLocalizedString>
 #include <QDBusConnection>
 #include <QDBusConnectionInterface>
 #include <QDebug>
 #include <ktoolinvocation.h>
 
 #if KSERVICE_BUILD_DEPRECATED_SINCE(5, 61)
 
 class KDBusServiceStarterPrivate
 {
 public:
     KDBusServiceStarterPrivate()
         : q(nullptr)
     {
     }
     ~KDBusServiceStarterPrivate()
     {
         delete q;
     }
     KDBusServiceStarter *q;
 };
 
 Q_GLOBAL_STATIC(KDBusServiceStarterPrivate, privateObject)
 
 KDBusServiceStarter *KDBusServiceStarter::self()
 {
     if (!privateObject()->q) {
         new KDBusServiceStarter;
         Q_ASSERT(privateObject()->q);
     }
     return privateObject()->q;
 }
 
 KDBusServiceStarter::KDBusServiceStarter()
 {
     // Set the singleton instance - useful when a derived KDBusServiceStarter
     // was created (before self() was called)
     Q_ASSERT(!privateObject()->q);
     privateObject()->q = this;
 }
 
 KDBusServiceStarter::~KDBusServiceStarter()
 {
 }
 
 int KDBusServiceStarter::findServiceFor(const QString &serviceType, const QString &_constraint, QString *error, QString *pDBusService, int flags)
 {
     // Ask the trader which service is preferred for this servicetype
     // We want one that provides a DBus interface
     QString constraint = _constraint;
     if (!constraint.isEmpty()) {
         constraint += QLatin1String(" and ");
     }
     constraint += QLatin1String("exist [X-DBUS-ServiceName]");
     const KService::List offers = KServiceTypeTrader::self()->query(serviceType, constraint);
     if (offers.isEmpty()) {
         if (error) {
             *error = i18n("No service implementing %1", serviceType);
         }
         qWarning() << "KDBusServiceStarter: No service implementing " << serviceType;
         return -1;
     }
     KService::Ptr ptr = offers.first();
     QString dbusService = ptr->property(QStringLiteral("X-DBUS-ServiceName")).toString();
 
     if (!QDBusConnection::sessionBus().interface()->isServiceRegistered(dbusService)) {
         QString err;
         if (startServiceFor(serviceType, constraint, &err, &dbusService, flags) != 0) {
             if (error) {
                 *error = err;
             }
             qWarning() << "Couldn't start service" << dbusService << "for" << serviceType << ":" << err;
             return -2;
         }
     }
     // qDebug() << "DBus service is available now, as" << dbusService;
     if (pDBusService) {
         *pDBusService = dbusService;
     }
     return 0;
 }
 
 int KDBusServiceStarter::startServiceFor(const QString &serviceType, const QString &constraint, QString *error, QString *dbusService, int /*flags*/)
 {
     const KService::List offers = KServiceTypeTrader::self()->query(serviceType, constraint);
     if (offers.isEmpty()) {
         return -1;
     }
     KService::Ptr ptr = offers.first();
     // qDebug() << "starting" << ptr->entryPath();
     return KToolInvocation::startServiceByDesktopPath(ptr->entryPath(), QStringList(), error, dbusService);
 }
 
 #endif