diff options
Diffstat (limited to 'libraries/logic/minecraft/legacy/LwjglVersionList.cpp')
| -rw-r--r-- | libraries/logic/minecraft/legacy/LwjglVersionList.cpp | 189 |
1 files changed, 189 insertions, 0 deletions
diff --git a/libraries/logic/minecraft/legacy/LwjglVersionList.cpp b/libraries/logic/minecraft/legacy/LwjglVersionList.cpp new file mode 100644 index 00000000..bb017368 --- /dev/null +++ b/libraries/logic/minecraft/legacy/LwjglVersionList.cpp @@ -0,0 +1,189 @@ +/* Copyright 2013-2015 MultiMC Contributors + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +#include "LwjglVersionList.h" +#include "Env.h" + +#include <QtNetwork> +#include <QtXml> +#include <QRegExp> + +#include <QDebug> + +#define RSS_URL "http://sourceforge.net/projects/java-game-lib/rss" + +LWJGLVersionList::LWJGLVersionList(QObject *parent) : BaseVersionList(parent) +{ + setLoading(false); +} + +QVariant LWJGLVersionList::data(const QModelIndex &index, int role) const +{ + if (!index.isValid()) + return QVariant(); + + if (index.row() > count()) + return QVariant(); + + const PtrLWJGLVersion version = m_vlist.at(index.row()); + + switch (role) + { + case Qt::DisplayRole: + return version->name(); + + case Qt::ToolTipRole: + return version->url(); + + default: + return QVariant(); + } +} + +QVariant LWJGLVersionList::headerData(int section, Qt::Orientation orientation, int role) const +{ + switch (role) + { + case Qt::DisplayRole: + return tr("Version"); + + case Qt::ToolTipRole: + return tr("LWJGL version name."); + + default: + return QVariant(); + } +} + +int LWJGLVersionList::columnCount(const QModelIndex &parent) const +{ + return 1; +} + +bool LWJGLVersionList::isLoading() const +{ + return m_loading; +} + +void LWJGLVersionList::loadList() +{ + Q_ASSERT_X(!m_loading, "loadList", "list is already loading (m_loading is true)"); + + setLoading(true); + auto worker = ENV.qnam(); + QNetworkRequest req(QUrl(RSS_URL)); + req.setRawHeader("Accept", "application/rss+xml, text/xml, */*"); + req.setRawHeader("User-Agent", "MultiMC/5.0 (Uncached)"); + reply = worker->get(req); + connect(reply, SIGNAL(finished()), SLOT(netRequestComplete())); +} + +inline QDomElement getDomElementByTagName(QDomElement parent, QString tagname) +{ + QDomNodeList elementList = parent.elementsByTagName(tagname); + if (elementList.count()) + return elementList.at(0).toElement(); + else + return QDomElement(); +} + +void LWJGLVersionList::netRequestComplete() +{ + if (reply->error() == QNetworkReply::NoError) + { + QRegExp lwjglRegex("lwjgl-(([0-9]\\.?)+)\\.zip"); + Q_ASSERT_X(lwjglRegex.isValid(), "load LWJGL list", "LWJGL regex is invalid"); + + QDomDocument doc; + + QString xmlErrorMsg; + int errorLine; + auto rawData = reply->readAll(); + if (!doc.setContent(rawData, false, &xmlErrorMsg, &errorLine)) + { + failed("Failed to load LWJGL list. XML error: " + xmlErrorMsg + " at line " + + QString::number(errorLine)); + setLoading(false); + return; + } + + QDomNodeList items = doc.elementsByTagName("item"); + + QList<PtrLWJGLVersion> tempList; + + for (int i = 0; i < items.length(); i++) + { + Q_ASSERT_X(items.at(i).isElement(), "load LWJGL list", + "XML element isn't an element... wat?"); + + QDomElement linkElement = getDomElementByTagName(items.at(i).toElement(), "link"); + if (linkElement.isNull()) + { + qDebug() << "Link element" << i << "in RSS feed doesn't exist! Skipping."; + continue; + } + + QString link = linkElement.text(); + + // Make sure it's a download link. + if (link.endsWith("/download") && link.contains(lwjglRegex)) + { + QString name = link.mid(lwjglRegex.indexIn(link) + 6); + // Subtract 4 here to remove the .zip file extension. + name = name.left(lwjglRegex.matchedLength() - 10); + + QUrl url(link); + if (!url.isValid()) + { + qWarning() << "LWJGL version URL isn't valid:" << link << "Skipping."; + continue; + } + qDebug() << "Discovered LWGL version" << name << "at" << link; + tempList.append(std::make_shared<LWJGLVersion>(name, link)); + } + } + + beginResetModel(); + m_vlist.swap(tempList); + endResetModel(); + + qDebug() << "Loaded LWJGL list."; + finished(); + } + else + { + failed("Failed to load LWJGL list. Network error: " + reply->errorString()); + } + + setLoading(false); + reply->deleteLater(); +} + +void LWJGLVersionList::failed(QString msg) +{ + qCritical() << msg; + emit loadListFailed(msg); +} + +void LWJGLVersionList::finished() +{ + emit loadListFinished(); +} + +void LWJGLVersionList::setLoading(bool loading) +{ + m_loading = loading; + emit loadingStateUpdated(m_loading); +} |