KDChartSignalCompressor.cpp

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/****************************************************************************
** Copyright (C) 2001-2011 Klaralvdalens Datakonsult AB.  All rights reserved.
**
** This file is part of the KD Chart library.
**
** Licensees holding valid commercial KD Chart licenses may use this file in
** accordance with the KD Chart Commercial License Agreement provided with
** the Software.
**
**
** This file may be distributed and/or modified under the terms of the
** GNU General Public License version 2 and version 3 as published by the
** Free Software Foundation and appearing in the file LICENSE.GPL.txt included.
**
** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
**
** Contact info@kdab.com if any conditions of this licensing are not
** clear to you.
**
**********************************************************************/

#include "KDChartSignalCompressor.h"

using namespace KDChart;

SignalCompressor::SignalCompressor( QObject* receiver, const char* signal,
                                    QObject* parent )
    : QObject( parent )
{
    connect( this, SIGNAL( finallyEmit() ), receiver, signal );
    connect( &m_timer, SIGNAL( timeout() ), SLOT( nowGoAlready() ) );
    m_timer.setSingleShot( true );
    // m_timer.setIntervall( 0 ); // default, just to know...
}

void SignalCompressor::emitSignal()
{
    if ( !m_timer.isActive() ) m_timer.start();
}

void SignalCompressor::nowGoAlready()
{
    emit finallyEmit();
}