/*
* 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
*/
#include <QGridLayout>
#include <QPushButton>
#include <QNetworkAccessManager>
#include <QNetworkRequest>
#include <QNetworkReply>
#include <QFileInfo>
#include <QFileDialog>
#include <QDebug>
#include <QProgressBar>
#include <QBuffer>
#include <QDesktopServices>
#include "pagedata.h"
#include "databrowser.h"
#include "hwconsts.h"
QLayout * PageDataDownload::bodyLayoutDefinition()
{
QGridLayout * pageLayout = new QGridLayout();
pageLayout->setColumnStretch(0, 1);
pageLayout->setColumnStretch(1, 1);
pageLayout->setColumnStretch(2, 1);
web = new DataBrowser(this);
pageLayout->addWidget(web, 0, 0, 1, 3);
progressBarsLayout = new QVBoxLayout();
pageLayout->addLayout(progressBarsLayout, 1, 0, 1, 3);
return pageLayout;
}
QLayout * PageDataDownload::footerLayoutDefinition()
{
QHBoxLayout * bottomLayout = new QHBoxLayout();
bottomLayout->setStretch(0, 1);
pbHome = addButton(":/res/home.png", bottomLayout, 1, true, Qt::AlignBottom);
pbHome->setMinimumHeight(50);
pbHome->setMinimumWidth(50);
pbHome->setWhatsThis(tr("Load the start page"));
pbOpenDir = addButton(":/res/folder.png", bottomLayout, 2, true, Qt::AlignBottom);
pbOpenDir->setStyleSheet("padding: 5px 10px");
pbOpenDir->setWhatsThis(tr("Open packages directory"));
pbOpenDir->setMinimumHeight(50);
bottomLayout->setStretch(2, 1);
return bottomLayout;
}
void PageDataDownload::connectSignals()
{
connect(web, SIGNAL(anchorClicked(QUrl)), this, SLOT(request(const QUrl&)));
connect(this, SIGNAL(goBack()), this, SLOT(onPageLeave()));
connect(pbOpenDir, SIGNAL(clicked()), this, SLOT(openPackagesDir()));
connect(pbHome, SIGNAL(clicked()), this, SLOT(fetchList()));
}
PageDataDownload::PageDataDownload(QWidget* parent) : AbstractPage(parent)
{
initPage();
web->setOpenLinks(false);
// fetchList();
web->setHtml(QString(
"<center><h2>Hedgewars Downloadable Content</h2><br><br>"
"<i>%1</i></center>")
.arg(tr("Loading, please wait.")));
m_contentDownloaded = false;
}
void PageDataDownload::request(const QUrl &url)
{
QUrl finalUrl;
if(url.isEmpty())
{
qWarning() << "Empty URL requested";
return;
}
else if(url.host().isEmpty())
finalUrl = QUrl("https://www.hedgewars.org" + url.path());
else
finalUrl = url;
if(url.path().endsWith(".hwp") || url.path().endsWith(".zip"))
{
qWarning() << "Download Request" << url.toString();
QString fileName = QFileInfo(url.toString()).fileName();
QNetworkRequest newRequest(finalUrl);
newRequest.setAttribute(QNetworkRequest::User, fileName);
QNetworkAccessManager *manager = new QNetworkAccessManager(this);
QNetworkReply *reply = manager->get(newRequest);
connect(reply, SIGNAL(finished()), this, SLOT(fileDownloaded()));
connect(reply, SIGNAL(downloadProgress(qint64, qint64)), this, SLOT(downloadProgress(qint64, qint64)));
QProgressBar *progressBar = new QProgressBar(this);
progressBarsLayout->addWidget(progressBar);
progressBars.insert(reply, progressBar);
}
else
{
qWarning() << "Page Request" << url.toString();
QNetworkRequest newRequest(finalUrl);
QNetworkAccessManager *manager = new QNetworkAccessManager(this);
QNetworkReply *reply = manager->get(newRequest);
connect(reply, SIGNAL(finished()), this, SLOT(pageDownloaded()));
}
}
void PageDataDownload::pageDownloaded()
{
QNetworkReply * reply = qobject_cast<QNetworkReply *>(sender());
const char *html =
"<center><h2>Hedgewars Downloadable Content</h2><br><br>"
"<h4><i>%1</i></h4></center>";
if (reply) {
if (reply->error() == QNetworkReply::NoError)
{
QString html = QString::fromUtf8(reply->readAll());
int begin = html.indexOf("<!-- BEGIN -->");
int end = html.indexOf("<!-- END -->");
if(begin != -1 && begin < end)
{
html.truncate(end);
html.remove(0, begin);
}
web->setHtml(html);
}
else
{
QString message = reply->error() == QNetworkReply::UnknownNetworkError ?
tr("Unknown network error (possibly missing SSL library).") :
QString(tr("This feature requires an Internet connection, but you don't appear to be online (error code: %1).")).arg(reply->error());
web->setHtml(QString(html).arg(message));
}
}
else {
web->setHtml(QString(html).arg(tr("Internal error: Reply object is invalid.")));
}
}
void PageDataDownload::fileDownloaded()
{
QNetworkReply * reply = qobject_cast<QNetworkReply *>(sender());
if(reply)
{
QProgressBar *progressBar = progressBars.value(reply, 0);
if(progressBar)
{
progressBars.remove(reply);
progressBar->deleteLater();
}
QDir extractDir(*cfgdir);
extractDir.cd("Data");
QString fileName = extractDir.filePath(QFileInfo(reply->url().path()).fileName());
if(fileName.endsWith(".zip"))
fileName = fileName.left(fileName.length() - 4) + ".hwp";
QFile out(fileName);
if(!out.open(QFile::WriteOnly))
{
qWarning() << "out.open():" << out.errorString();
return ;
}
out.write(reply->readAll());
out.close();
}
}
void PageDataDownload::downloadProgress(qint64 bytesRecieved, qint64 bytesTotal)
{
QNetworkReply * reply = qobject_cast<QNetworkReply *>(sender());
if(reply)
{
QProgressBar *progressBar = progressBars.value(reply, 0);
if(progressBar)
{
progressBar->setValue(bytesRecieved);
progressBar->setMaximum(bytesTotal);
}
}
}
void PageDataDownload::fetchList()
{
request(QUrl("https://hedgewars.org/content.html"));
}
void PageDataDownload::onPageLeave()
{
if (m_contentDownloaded)
{
m_contentDownloaded = false;
}
}
void PageDataDownload::openPackagesDir()
{
QString path = QDir::toNativeSeparators(cfgdir->absolutePath() + "/Data");
QDesktopServices::openUrl(QUrl("file:///" + path));
}