/*
* Copyright (c) 2009 Nokia Corporation and/or its subsidiary(-ies).
* All rights reserved.
* This component and the accompanying materials are made available
* under the terms of "Eclipse Public License v1.0"
* which accompanies this distribution, and is available
* at the URL "http://www.eclipse.org/legal/epl-v10.html".
*
* Initial Contributors:
* Nokia Corporation - initial contribution.
*
* Contributors:
*
* Description: Menu All Applications state.
*
*/
#include <QPainter>
#include <QSize>
#include <QTimer>
#include "hsmenuitemmodel.h"
#include "hsiconsidleloader.h"
/*!
Constructor
\param model with defined icons
\param pointer to parent object
*/
HsIconsIdleLoader::HsIconsIdleLoader(HsMenuItemModel *model, QObject *parent):
QObject(parent),
mModel(model),
mTimer(NULL),
mIconSize(mModel->getIconSize())
{
mTimer = new QTimer(this);
mOutStandingIconToLoad = mModel->rowCount();
connect(mTimer, SIGNAL(timeout()), this, SLOT(processWhenIdle()));
mTimer->start(0); // NOTE: zero for idle
}
/*!
Destructor
*/
HsIconsIdleLoader::~HsIconsIdleLoader()
{
mTimer->stop();
}
/*!
Preloading icons if idle
\retval void
*/
void HsIconsIdleLoader::processWhenIdle()
{
if (mOutStandingIconToLoad >= 1
&& mModel->rowCount() >= mOutStandingIconToLoad ) {
QPixmap pixmap(mIconSize.toSize());
pixmap.fill(Qt::transparent);
QModelIndex idx = mModel->index(mOutStandingIconToLoad -1);
HbIcon icon = mModel->entry(idx)->makeIcon(mIconSize);
icon.setSize(mIconSize);
// creating raster data
QPainter painter;
painter.begin(&pixmap);
icon.paint(&painter, QRectF(QPointF(), mIconSize),
Qt::KeepAspectRatio,
Qt::AlignCenter,
QIcon::Normal,
QIcon::Off);
painter.end();
--mOutStandingIconToLoad;
} else {
mTimer->stop(); // No more timing
}
}