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/*
This file is part of Akregator.
Copyright (C) 2005 Frank Osterfeld <frank.osterfeld@kdemail.net>
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
As a special exception, permission is given to link this program
with any edition of Qt, and distribute the resulting executable,
without including the source code for Qt in the source distribution.
*/
#include "dragobjects.h"
#include "feed.h"
#include <qcstring.h>
namespace Akregator {
class Article;
ArticleDrag::ArticleDrag(const QValueList<Article>& articles, QWidget* dragSource, const char* name)
: KURLDrag(articleURLs(articles), dragSource, name), m_items(articlesToDragItems(articles))
{}
bool ArticleDrag::canDecode(const QMimeSource* e)
{
return e->provides("akregator/articles");
}
bool ArticleDrag::decode(const QMimeSource* e, QValueList<ArticleDragItem>& articles)
{
articles.clear();
QByteArray array = e->encodedData("akregator/articles");
QDataStream stream(array, IO_ReadOnly);
while (!stream.atEnd())
{
ArticleDragItem i;
stream >> i.feedURL;
stream >> i.guid;
articles.append(i);
}
return true;
}
const char* ArticleDrag::format(int i) const
{
if (i == 0)
return "text/uri-list";
else if (i == 1)
return "akregator/articles";
return 0;
}
QByteArray ArticleDrag::encodedData(const char* mime) const
{
QCString mimetype(mime);
if (mimetype == "akregator/articles")
{
QByteArray ba;
QDataStream stream(ba, IO_WriteOnly);
QValueList<ArticleDragItem>::ConstIterator end = m_items.end();
for (QValueList<ArticleDragItem>::ConstIterator it = m_items.begin(); it != end; ++it)
{
stream << (*it).feedURL;
stream << (*it).guid;
}
return ba;
}
else
{
return KURLDrag::encodedData(mime);
}
}
QValueList<ArticleDragItem> ArticleDrag::articlesToDragItems(const QValueList<Article>& articles)
{
QValueList<ArticleDragItem> items;
QValueList<Article>::ConstIterator end(articles.end());
for (QValueList<Article>::ConstIterator it = articles.begin(); it != end; ++it)
{
ArticleDragItem i;
i.feedURL = (*it).feed() ? (*it).feed()->xmlUrl() : "";
i.guid = (*it).guid();
items.append(i);
}
return items;
}
KURL::List ArticleDrag::articleURLs(const QValueList<Article>& articles)
{
KURL::List urls;
QValueList<Article>::ConstIterator end(articles.end());
for (QValueList<Article>::ConstIterator it = articles.begin(); it != end; ++it)
urls.append((*it).link());
return urls;
}
} // namespace Akregator
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