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/*
* Copyright (C) 2008-2010 The QXmpp developers
*
* Author:
* Manjeet Dahiya
*
* Source:
* http://code.google.com/p/qxmpp
*
* This file is a part of QXmpp library.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library 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
* Lesser General Public License for more details.
*
*/
#include "capabilitiesCache.h"
#include "QXmppClient.h"
#include "QXmppDiscoveryManager.h"
#include <utils.h>
#include <QCoreApplication>
#include <QXmlStreamWriter>
#include <QDir>
capabilitiesCache::capabilitiesCache(QXmppClient* client) :
QObject(client), m_client(client)
{
QXmppDiscoveryManager* ext = m_client->findExtension<QXmppDiscoveryManager>();
if(ext)
{
bool check = connect(ext, SIGNAL(infoReceived(const QXmppDiscoveryIq&)),
SLOT(infoReceived(const QXmppDiscoveryIq&)));
Q_ASSERT(check);
}
}
bool capabilitiesCache::isCapabilityAvailable(const QString& nodeVer)
{
return m_mapCapabilities.contains(nodeVer);
}
void capabilitiesCache::requestInfo(const QString& jid, const QString& node)
{
QXmppDiscoveryManager* ext = m_client->findExtension<QXmppDiscoveryManager>();
if(ext)
{
bool alreadyRequested = false;
foreach(QString key, m_mapIdNodeVer.keys())
{
if(m_mapIdNodeVer[key] == node)
{
alreadyRequested = true;
break;
}
}
if(!alreadyRequested)
{
QString id = ext->requestInfo(jid, node);
m_mapIdNodeVer[id] = node;
}
}
}
void capabilitiesCache::infoReceived(const QXmppDiscoveryIq& discoIqRcv)
{
QXmppDiscoveryIq discoIq = discoIqRcv;
if(discoIq.queryType() == QXmppDiscoveryIq::InfoQuery &&
discoIq.type() == QXmppIq::Result)
{
if(discoIq.queryNode().isEmpty())
{
discoIq.setQueryNode(m_mapIdNodeVer[discoIq.id()]);
m_mapIdNodeVer.remove(discoIq.id());
}
discoIq.setTo("");
discoIq.setFrom("");
discoIq.setId("");
m_mapCapabilities[discoIq.queryNode()] = discoIq;
saveToFile(discoIq.queryNode());
}
}
void capabilitiesCache::loadFromFile()
{
m_mapCapabilities.clear();
QDir dirCaps(getSettingsDir(m_client->configuration().jidBare())+ "capabilities/");
if(dirCaps.exists())
{
QStringList list = dirCaps.entryList(QStringList("*.xml"));
foreach(QString fileName, list)
{
QFile file(getSettingsDir(m_client->configuration().jidBare())+ "capabilities/" + fileName);
if(file.open(QIODevice::ReadOnly))
{
QDomDocument doc;
if(doc.setContent(&file, true))
{
QXmppDiscoveryIq discoIq;
discoIq.parse(doc.documentElement());
m_mapCapabilities[discoIq.queryNode()] = discoIq;
QCoreApplication::processEvents(QEventLoop::ExcludeUserInputEvents);
}
}
}
}
}
void capabilitiesCache::saveToFile(const QString& nodeVer)
{
if(!m_mapCapabilities.contains(nodeVer))
return;
QString fileName = getImageHash(nodeVer.toUtf8());
QDir dir;
if(!dir.exists(getSettingsDir(m_client->configuration().jidBare())))
dir.mkpath(getSettingsDir(m_client->configuration().jidBare()));
QDir dir2;
if(!dir2.exists(getSettingsDir(m_client->configuration().jidBare())+ "capabilities/"))
dir2.mkpath(getSettingsDir(m_client->configuration().jidBare())+ "capabilities/");
QString fileCapability = getSettingsDir(m_client->configuration().jidBare()) + "capabilities/" + fileName + ".xml";
QFile file(fileCapability);
if(file.open(QIODevice::ReadWrite))
{
QXmlStreamWriter stream(&file);
stream.setAutoFormatting(true);
stream.setAutoFormattingIndent(2);
m_mapCapabilities[nodeVer].toXml(&stream);
file.close();
}
}
QStringList capabilitiesCache::getFeatures(const QString& nodeVer)
{
if(!m_mapCapabilities.contains(nodeVer))
return QStringList();
return m_mapCapabilities[nodeVer].features();
}
QStringList capabilitiesCache::getIdentities(const QString& nodeVer)
{
if(!m_mapCapabilities.contains(nodeVer))
return QStringList();
QStringList idList;
QList<QXmppDiscoveryIq::Identity> list = m_mapCapabilities[nodeVer].identities();
foreach(QXmppDiscoveryIq::Identity identity, list)
{
QStringList tmpList;
if(!identity.name().isEmpty())
tmpList << identity.name();
if(!identity.category().isEmpty())
tmpList << identity.category();
if(!identity.type().isEmpty())
tmpList << identity.type();
if(!identity.language().isEmpty())
tmpList << identity.language();
idList << tmpList.join(" | ");
}
return idList;
}
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