workspace/libs/solid/control/frontendobject.cpp

   1 /*  This file is part of the KDE project
   2     Copyright (C) 2006-2007 Kevin Ottens <ervin@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 #include "frontendobject_p.h"
  21
  22 #include <QtCore/QObject>
  23
  24 Solid::Control::FrontendObjectPrivate::FrontendObjectPrivate(QObject *parent)
  25     : m_parent(parent), m_backendObject(0)
  26 {
  27 }
  28
  29 Solid::Control::FrontendObjectPrivate::~FrontendObjectPrivate()
  30 {
  31 }
  32
  33 QObject *Solid::Control::FrontendObjectPrivate::parent() const
  34 {
  35     return m_parent;
  36 }
  37
  38 QObject *Solid::Control::FrontendObjectPrivate::backendObject() const
  39 {
  40     return m_backendObject;
  41 }
  42
  43 void Solid::Control::FrontendObjectPrivate::setBackendObject(QObject *object)
  44 {
  45     if (m_backendObject)
  46     {
  47         QObject::disconnect(m_parent, 0, m_backendObject, 0);
  48         m_backendObject->disconnect(m_parent);
  49     }
  50
  51     m_backendObject = object;
  52
  53     if (m_backendObject)
  54     {
  55         QObject::connect(m_backendObject, SIGNAL(destroyed(QObject *)),
  56                          m_parent, SLOT(_k_destroyed(QObject *)));
  57     }
  58 }
  59
  60 void Solid::Control::FrontendObjectPrivate::_k_destroyed(QObject *object)
  61 {
  62     if (m_backendObject == object) {
  63         m_backendObject = 0;
  64     }
  65 }