/****************************************************************************
**
** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies).
** All rights reserved.
** Contact: Nokia Corporation (qt-info@nokia.com)
**
** This file is part of the plugins of the Qt Toolkit.
**
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** GNU Lesser General Public License Usage
** This file may be used under the terms of the GNU Lesser General Public
** License version 2.1 as published by the Free Software Foundation and
** appearing in the file LICENSE.LGPL included in the packaging of this
** file. Please review the following information to ensure the GNU Lesser
** General Public License version 2.1 requirements will be met:
** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
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** rights. These rights are described in the Nokia Qt LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
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** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU General
** Public License version 3.0 as published by the Free Software Foundation
** and appearing in the file LICENSE.GPL included in the packaging of this
** file. Please review the following information to ensure the GNU General
** Public License version 3.0 requirements will be met:
** http://www.gnu.org/copyleft/gpl.html.
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****************************************************************************/

#include "qwaylandmime.h"
#include <QImage>
#include <QColor>
#include <QUrl>
#include <QBuffer>
#include <QImageWriter>

QByteArray QWaylandMimeHelper::getByteArray(QMimeData *mimeData, const QString &mimeType)
{
    QByteArray content;
    if (mimeType == QLatin1String("text/plain")) {
        content = mimeData->text().toUtf8();
    } else if (mimeData->hasImage()
               && (mimeType == QLatin1String("application/x-qt-image")
                   || mimeType.startsWith("image/"))) {
        QImage image = qvariant_cast<QImage>(mimeData->imageData());
        if (!image.isNull()) {
            QBuffer buf;
            buf.open(QIODevice::ReadWrite);
            QByteArray fmt = "BMP";
            if (mimeType.startsWith("image/")) {
                QByteArray imgFmt = mimeType.mid(6).toUpper().toAscii();
                if (QImageWriter::supportedImageFormats().contains(imgFmt))
                    fmt = imgFmt;
            }
            QImageWriter wr(&buf, fmt);
            wr.write(image);
            content = buf.buffer();
        }
    } else if (mimeType == QLatin1String("application/x-color")) {
        content = qvariant_cast<QColor>(mimeData->colorData()).name().toAscii();
    } else if (mimeType == QLatin1String("text/uri-list")) {
        QList<QUrl> urls = mimeData->urls();
        for (int i = 0; i < urls.count(); ++i) {
            content.append(urls.at(i).toEncoded());
            content.append('\n');
        }
    } else {
        content = mimeData->data(mimeType);
    }
    return content;
}