runtime/nepomuk/servicestub/servicecontrol.cpp

   1 /* This file is part of the KDE Project
   2    Copyright (c) 2008 Sebastian Trueg <trueg@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 #include "servicecontrol.h"
  20 #include "servicecontroladaptor.h"
  21
  22 #include <QtCore/QCoreApplication>
  23 #include <QtCore/QTextStream>
  24
  25 #include <Nepomuk/Service>
  26
  27
  28 Nepomuk::ServiceControl::ServiceControl( const QString& serviceName, const KService::Ptr& service, QObject* parent )
  29     : QObject( parent ),
  30       m_serviceName( serviceName ),
  31       m_service( service ),
  32       m_initialized( false )
  33 {
  34 }
  35
  36
  37 Nepomuk::ServiceControl::~ServiceControl()
  38 {
  39 }
  40
  41
  42 void Nepomuk::ServiceControl::setServiceInitialized( bool success )
  43 {
  44     m_initialized = success;
  45     emit serviceInitialized( success );
  46 }
  47
  48
  49 bool Nepomuk::ServiceControl::isInitialized() const
  50 {
  51     return m_initialized;
  52 }
  53
  54
  55 void Nepomuk::ServiceControl::start()
  56 {
  57     QTextStream s( stderr );
  58
  59     // register the service interface
  60     // We need to do this before creating the module to ensure that
  61     // the server can catch the serviceInitialized signal
  62     // ====================================
  63     (void)new ServiceControlAdaptor( this );
  64     if( !QDBusConnection::sessionBus().registerObject( "/servicecontrol", this ) ) {
  65         s << "Failed to register dbus service " << dbusServiceName( m_serviceName ) << "." << endl;
  66         qApp->exit( ErrorFailedToStart );
  67         return;
  68     }
  69
  70     if( !QDBusConnection::sessionBus().registerService( dbusServiceName( m_serviceName ) ) ) {
  71         s << "Failed to register dbus service " << dbusServiceName( m_serviceName ) << "." << endl;
  72         qApp->exit( ErrorFailedToStart );
  73         return;
  74     }
  75
  76
  77     // start the service
  78     // ====================================
  79     Nepomuk::Service* module = m_service->createInstance<Nepomuk::Service>( this );
  80     if( !module ) {
  81         s << "Failed to start service " << m_serviceName << "." << endl;
  82         qApp->exit( ErrorFailedToStart );
  83         return;
  84     }
  85
  86     // register the service
  87     // ====================================
  88     QDBusConnection::sessionBus().registerObject( '/' + m_serviceName,
  89                                                   module,
  90                                                   QDBusConnection::ExportScriptableSlots |
  91                                                   QDBusConnection::ExportScriptableProperties |
  92                                                   QDBusConnection::ExportAdaptors);
  93 }
  94
  95
  96 void Nepomuk::ServiceControl::shutdown()
  97 {
  98     QCoreApplication::quit();
  99 }
 100
 101
 102 QString Nepomuk::ServiceControl::dbusServiceName( const QString& serviceName )
 103 {
 104     return QString("org.kde.nepomuk.services.%1").arg(serviceName);
 105 }
 106
 107 #include "servicecontrol.moc"