/*

* 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: 

*

*/

#include "hgwidgetitem.h"

#include "hgquadrenderer.h"

#include "trace.h"

#include <hgwidgets/hgwidgets.h>

#include <QStringList>

#include <HbIcon>

#include "hgvgimage.h"

HgWidgetItem::HgWidgetItem(HgQuadRenderer* renderer):

mTitle(""),

mDescription(""),

mValidData(false),

mHgImage(NULL),

mRenderer(renderer)

{

}

HgWidgetItem::HgWidgetItem(HgQuadRenderer* renderer, QImage image, QString title, QString description ) :

mTitle(""),

mDescription(""),

mValidData(false),

mHgImage(NULL),

mRenderer(renderer),

mVisibility(true)

{

    Q_UNUSED(image)

    setTitle(title);

    setDescription(description);    

}

HgWidgetItem::~HgWidgetItem()

{

    releaseItemData();

    delete mHgImage;

}

void HgWidgetItem::setImage(const QImage &image)

{

    if (!mHgImage)

    {

        mHgImage = mRenderer->createNativeImage();

    }

    mHgImage->setImage(image);

    if (!mVisibility)

        mHgImage->setAlpha(0);

}

void HgWidgetItem::setTitle( QString title )

{

    mTitle = title;

}

QString HgWidgetItem::title() const

{

    return mTitle;

}

void HgWidgetItem::setDescription( QString description )

{

    mDescription = description;

}

QString HgWidgetItem::description() const

{

    return mDescription;

}

void HgWidgetItem::setModelIndex(const QModelIndex& index)

{

    mModelIndex = index;

}

QModelIndex HgWidgetItem::modelIndex() const

{

    return mModelIndex;

}

bool HgWidgetItem::updateItemData()

{

    mValidData = false;

    if( mModelIndex.isValid() ){

        QVariant image = mModelIndex.data(Qt::DecorationRole);

        QVariant texts = mModelIndex.data(Qt::DisplayRole);

        QVariant vis = mModelIndex.data(HgWidget::HgVisibilityRole);

        if (vis.canConvert<bool>())

        {

            setVisibility(vis.toBool());

        }

        // Convert data to correct format if possible.

            setImage(image.value<QImage>());

            mValidData = true;

        }

        else if(image.canConvert<HbIcon>()){

            // This is heavy operation but we need to support

            // HbIcon too.

            HbIcon hbIcon = image.value<HbIcon>();

            if (!hbIcon.isNull()){

                QIcon &qicon = hbIcon.qicon();

                QList<QSize> sizes = qicon.availableSizes();

                QSize size;

                foreach(size, sizes){

                    if (size.width() != 0 && size.height() != 0 ){

                        QPixmap pixmap = qicon.pixmap(size);

                        if (!pixmap.isNull()){

                            QImage tempImage = pixmap.toImage();

                            if (!tempImage.isNull()) {

                                setImage(tempImage);

                                mValidData = true;        

                            }

                        }

                    break;

                    }

                }

            }

        }

        else if (image.canConvert<QIcon>()){

            // This is heavy operation but we need to support

            // QIcon too.

            QIcon tempIcon = image.value<QIcon>();

            QList<QSize> sizes = tempIcon.availableSizes();

            if (sizes.count() == 0 && !(tempIcon.isNull())) {

                QPixmap pixmap = tempIcon.pixmap(tempIcon.actualSize(QSize(250, 250)));

                if (!pixmap.isNull()){

                    INFO("Valid image found for" << mModelIndex);

                    setImage(pixmap.toImage());

                    mValidData = true;

                }

            }

            else {

                QSize size;

                foreach(size, sizes){

                    if (size.width() != 0 && size.height() != 0 ){

                        QPixmap pixmap = tempIcon.pixmap(size);

                        if (!pixmap.isNull()){

                            setImage(pixmap.toImage());

                            mValidData = true;

                        }

                    break;

                    }

                }

            }

        }

        if( texts.canConvert<QStringList>() ){

            QStringList list(texts.toStringList() );

            if( list.count() >= 2 ){

                setTitle(list.at(0));

                setDescription(list.at(1));

                mValidData = true;

            }

        }

    }

    return mValidData;

}

void HgWidgetItem::releaseItemData()

{

    mTitle = "";

    mDescription = "";

    mValidData = false;

    if (mHgImage)

        mHgImage->releaseImage();

    delete mHgImage;

    mHgImage = 0;

}

bool HgWidgetItem::validData() const

{

    return mValidData;

}

const HgImage* HgWidgetItem::image() const

{

    return mHgImage;

}

void HgWidgetItem::setVisibility(bool visibility)

{

    mVisibility = visibility;

    if (mHgImage)

    {

        if (!mVisibility)

            mHgImage->setAlpha(0);

        else

            mHgImage->setAlpha(1);

    }

}