1 files changed, 119 insertions, 0 deletions
diff --git a/akregator/src/dragobjects.cpp b/akregator/src/dragobjects.cpp
new file mode 100644
index 000000000..9f7f812b7
--- /dev/null
+++ b/akregator/src/dragobjects.cpp
@@ -0,0 +1,119 @@
+/*
+    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