volumeappletimpl.cpp

Trolltech公司发布的图形界面操作系统。可在qt-embedded-2.3.7平台上编译为嵌入式图形界面操作系统。

/**********************************************************************
** Copyright (C) 2000-2002 Trolltech AS.  All rights reserved.
**
** This file is part of the Qtopia Environment.
**
** This file may be distributed and/or modified under the terms of the
** GNU General Public License version 2 as published by the Free Software
** Foundation and appearing in the file LICENSE.GPL included in the
** packaging of this file.
**
** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
**
** See http://www.trolltech.com/gpl/ for GPL licensing information.
**
** Contact [e-mail] if any conditions of this licensing are
** not clear to you.
**
**********************************************************************/
#include "volume.h"
#include "volumeappletimpl.h"


VolumeAppletImpl::VolumeAppletImpl()
    : volume(0), ref(0)
{
}

VolumeAppletImpl::~VolumeAppletImpl()
{
    delete volume;
}

QWidget *VolumeAppletImpl::applet( QWidget *parent )
{
    if ( !volume )
	volume = new VolumeApplet( parent );
    return volume;
}

int VolumeAppletImpl::position() const
{
    return 7;
}

QRESULT VolumeAppletImpl::queryInterface( const QUuid &uuid, QUnknownInterface **iface )
{
    *iface = 0;
    if ( uuid == IID_QUnknown )
	*iface = this;
    else if ( uuid == IID_TaskbarApplet )
	*iface = this;
    else
	return QS_FALSE;

    (*iface)->addRef();
    return QS_OK;
}

Q_EXPORT_INTERFACE()
{
    Q_CREATE_INSTANCE( VolumeAppletImpl )
}