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/*
* Hedgewars, a free turn based strategy game
* Copyright (c) 2004-2015 Andrey Korotaev <unC0Rr@gmail.com>
*
* 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; version 2 of the License
*
* 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 St, Fifth Floor, Boston, MA 02110-1301 USA
*/
/**
* @file
* @brief DataBrowser class implementation
*/
#include <QNetworkAccessManager>
#include <QNetworkRequest>
#include <QNetworkReply>
#include <QDebug>
#include <QUrl>
#include "databrowser.h"
const QNetworkRequest::Attribute typeAttribute = (QNetworkRequest::Attribute)(QNetworkRequest::User + 1);
const QNetworkRequest::Attribute urlAttribute = (QNetworkRequest::Attribute)(QNetworkRequest::User + 2);
DataBrowser::DataBrowser(QWidget *parent) :
QTextBrowser(parent)
{
manager = new QNetworkAccessManager(this);
}
QVariant DataBrowser::loadResource(int type, const QUrl & name)
{
if(type == QTextDocument::ImageResource || type == QTextDocument::StyleSheetResource)
{
if(resources.contains(name.toString()))
{
return resources.take(name.toString());
}
else if(!requestedResources.contains(name.toString()))
{
qDebug() << "Requesting resource" << name.toString();
requestedResources.insert(name.toString());
QNetworkRequest newRequest(QUrl("https://www.hedgewars.org" + name.toString()));
newRequest.setAttribute(typeAttribute, type);
newRequest.setAttribute(urlAttribute, name);
QNetworkReply *reply = manager->get(newRequest);
connect(reply, SIGNAL(finished()), this, SLOT(resourceDownloaded()));
}
}
return QVariant();
}
void DataBrowser::resourceDownloaded()
{
QNetworkReply * reply = qobject_cast<QNetworkReply *>(sender());
if(reply)
{
int type = reply->request().attribute(typeAttribute).toInt();
QUrl url = reply->request().attribute(urlAttribute).toUrl();
resources.insert(url.toString(), reply->readAll());
document()->addResource(type, reply->request().url(), QVariant());
update();
}
}
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