summaryrefslogtreecommitdiffstats
path: root/akregator/src/feedlist.cpp
diff options
context:
space:
mode:
authortoma <toma@283d02a7-25f6-0310-bc7c-ecb5cbfe19da>2009-11-25 17:56:58 +0000
committertoma <toma@283d02a7-25f6-0310-bc7c-ecb5cbfe19da>2009-11-25 17:56:58 +0000
commit460c52653ab0dcca6f19a4f492ed2c5e4e963ab0 (patch)
tree67208f7c145782a7e90b123b982ca78d88cc2c87 /akregator/src/feedlist.cpp
downloadtdepim-460c52653ab0dcca6f19a4f492ed2c5e4e963ab0.tar.gz
tdepim-460c52653ab0dcca6f19a4f492ed2c5e4e963ab0.zip
Copy the KDE 3.5 branch to branches/trinity for new KDE 3.5 features.
BUG:215923 git-svn-id: svn://anonsvn.kde.org/home/kde/branches/trinity/kdepim@1054174 283d02a7-25f6-0310-bc7c-ecb5cbfe19da
Diffstat (limited to 'akregator/src/feedlist.cpp')
-rw-r--r--akregator/src/feedlist.cpp268
1 files changed, 268 insertions, 0 deletions
diff --git a/akregator/src/feedlist.cpp b/akregator/src/feedlist.cpp
new file mode 100644
index 000000000..814f82e1a
--- /dev/null
+++ b/akregator/src/feedlist.cpp
@@ -0,0 +1,268 @@
+/*
+ This file is part of Akregator.
+
+ Copyright (C) 2004 Frank Osterfeld <frank.osterfeld at 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 "feedlist.h"
+
+#include <qdatetime.h>
+#include <qdom.h>
+#include <qmap.h>
+#include <qvaluelist.h>
+
+#include <kdebug.h>
+#include <klocale.h>
+
+#include "article.h"
+#include "feed.h"
+#include "folder.h"
+#include "treenode.h"
+#include "treenodevisitor.h"
+
+namespace Akregator {
+
+class FeedList::FeedListPrivate
+{
+ public:
+
+ QMap<QString, QValueList<Feed*> > urlMap;
+ AddNodeVisitor* addNodeVisitor;
+ RemoveNodeVisitor* removeNodeVisitor;
+};
+
+class FeedList::AddNodeVisitor : public TreeNodeVisitor
+{
+ public:
+ AddNodeVisitor(FeedList* list) : m_list(list) {}
+
+
+ virtual bool visitFeed(Feed* node)
+ {
+ m_list->idMap()->insert(node->id(), node);
+ m_list->flatList()->append(node);
+ return true;
+ }
+
+ private:
+ FeedList* m_list;
+};
+
+class FeedList::RemoveNodeVisitor : public TreeNodeVisitor
+{
+ public:
+ RemoveNodeVisitor(FeedList* list) : m_list(list) {}
+
+ virtual bool visitFeed(Feed* node)
+ {
+ m_list->d->urlMap[node->xmlUrl()].remove(node);
+ return true;
+ }
+
+ private:
+ FeedList* m_list;
+};
+
+FeedList::FeedList(QObject *parent, const char *name)
+ : NodeList(parent, name), d(new FeedListPrivate)
+{
+ d->addNodeVisitor = new AddNodeVisitor(this);
+ d->removeNodeVisitor = new RemoveNodeVisitor(this);
+
+ Folder* rootNode = new Folder(i18n("All Feeds"));
+ rootNode->setId(1);
+ setRootNode(rootNode);
+ addNode(rootNode, true);
+}
+
+void FeedList::addNode(TreeNode* node, bool preserveID)
+{
+ NodeList::addNode(node, preserveID);
+ d->addNodeVisitor->visit(node);
+}
+
+void FeedList::removeNode(TreeNode* node)
+{
+ NodeList::removeNode(node);
+ d->removeNodeVisitor->visit(node);
+}
+
+void FeedList::parseChildNodes(QDomNode &node, Folder* parent)
+{
+ QDomElement e = node.toElement(); // try to convert the node to an element.
+
+ if( !e.isNull() )
+ {
+ QString title = e.hasAttribute("text") ? e.attribute("text") : e.attribute("title");
+
+ if (e.hasAttribute("xmlUrl") || e.hasAttribute("xmlurl") || e.hasAttribute("xmlURL") )
+ {
+ Feed* feed = Feed::fromOPML(e);
+ if (feed)
+ {
+ if (!d->urlMap[feed->xmlUrl()].contains(feed))
+ d->urlMap[feed->xmlUrl()].append(feed);
+ parent->appendChild(feed);
+ }
+ }
+ else
+ {
+ Folder* fg = Folder::fromOPML(e);
+ parent->appendChild(fg);
+
+ if (e.hasChildNodes())
+ {
+ QDomNode child = e.firstChild();
+ while(!child.isNull())
+ {
+ parseChildNodes(child, fg);
+ child = child.nextSibling();
+ }
+ }
+ }
+ }
+}
+
+bool FeedList::readFromXML(const QDomDocument& doc)
+{
+ QDomElement root = doc.documentElement();
+
+ kdDebug() << "loading OPML feed " << root.tagName().lower() << endl;
+
+ kdDebug() << "measuring startup time: START" << endl;
+ QTime spent;
+ spent.start();
+
+ if (root.tagName().lower() != "opml")
+ {
+ return false;
+ }
+ QDomNode bodyNode = root.firstChild();
+
+ while (!bodyNode.isNull() && bodyNode.toElement().tagName().lower() != "body")
+ bodyNode = bodyNode.nextSibling();
+
+
+ if (bodyNode.isNull())
+ {
+ kdDebug() << "Failed to acquire body node, markup broken?" << endl;
+ return false;
+ }
+
+ QDomElement body = bodyNode.toElement();
+
+ QDomNode i = body.firstChild();
+
+ while( !i.isNull() )
+ {
+ parseChildNodes(i, rootNode());
+ i = i.nextSibling();
+ }
+
+ for (TreeNode* i = rootNode()->firstChild(); i && i != rootNode(); i = i->next() )
+ if (i->id() == 0)
+ {
+ uint id = generateID();
+ i->setId(id);
+ idMap()->insert(id, i);
+ }
+
+ kdDebug() << "measuring startup time: STOP, " << spent.elapsed() << "ms" << endl;
+ kdDebug() << "Number of articles loaded: " << rootNode()->totalCount() << endl;
+ return true;
+}
+
+FeedList::~FeedList()
+{
+ emit signalDestroyed(this);
+ setRootNode(0);
+ delete d->addNodeVisitor;
+ delete d->removeNodeVisitor;
+ delete d;
+ d = 0;
+}
+
+Feed* FeedList::findByURL(const QString& feedURL) const
+{
+ if (d->urlMap[feedURL].isEmpty())
+ return 0;
+ else
+ return *(d->urlMap[feedURL].begin());
+}
+
+Article FeedList::findArticle(const QString& feedURL, const QString& guid) const
+{
+ Feed* feed = findByURL(feedURL);
+
+ return feed ? feed->findArticle(guid) : Article();
+}
+
+void FeedList::append(FeedList* list, Folder* parent, TreeNode* after)
+{
+ if ( list == this )
+ return;
+
+ if ( !flatList()->contains(parent) )
+ parent = rootNode();
+
+ QValueList<TreeNode*> children = list->rootNode()->children();
+
+ QValueList<TreeNode*>::ConstIterator end( children.end() );
+ for (QValueList<TreeNode*>::ConstIterator it = children.begin(); it != end; ++it)
+ {
+ list->rootNode()->removeChild(*it);
+ parent->insertChild(*it, after);
+ after = *it;
+ }
+}
+
+QDomDocument FeedList::toXML() const
+{
+ QDomDocument doc;
+ doc.appendChild( doc.createProcessingInstruction( "xml", "version=\"1.0\" encoding=\"UTF-8\"" ) );
+
+ QDomElement root = doc.createElement( "opml" );
+ root.setAttribute( "version", "1.0" );
+ doc.appendChild( root );
+
+ QDomElement head = doc.createElement( "head" );
+ root.appendChild( head );
+
+ QDomElement ti = doc.createElement( "text" );
+ head.appendChild( ti );
+
+ QDomText t = doc.createTextNode( title() );
+ ti.appendChild( t );
+
+ QDomElement body = doc.createElement( "body" );
+ root.appendChild( body );
+
+ QValueList<TreeNode*> children = rootNode()->children();
+
+ QValueList<TreeNode*>::ConstIterator end( children.end() );
+
+ for (QValueList<TreeNode*>::ConstIterator it = children.begin(); it != end; ++it)
+ body.appendChild( (*it)->toOPML(body, doc) );
+
+ return doc;
+}
+
+} // namespace Akregator
+#include "feedlist.moc"