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https://github.com/MultiMC/MultiMC5.git
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GH-1670 Fix LWJGL list loading
Now it uses the standard Download class that supports redirects and SSL.
This commit is contained in:
Petr Mrázek
parent
ef73a2bd32
commit
4ca6878743
@ -22,11 +22,10 @@
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#include <QDebug>
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#define RSS_URL "http://sourceforge.net/projects/java-game-lib/rss"
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#define RSS_URL "https://sourceforge.net/projects/java-game-lib/rss"
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LWJGLVersionList::LWJGLVersionList(QObject *parent) : BaseVersionList(parent)
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{
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setLoading(false);
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}
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QVariant LWJGLVersionList::data(const QModelIndex &index, int role) const
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@ -72,21 +71,21 @@ int LWJGLVersionList::columnCount(const QModelIndex &parent) const
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return 1;
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}
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bool LWJGLVersionList::isLoading() const
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{
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return m_loading;
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}
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void LWJGLVersionList::loadList()
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{
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Q_ASSERT_X(!m_loading, "loadList", "list is already loading (m_loading is true)");
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if(m_loading)
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{
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return;
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}
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m_loading = true;
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setLoading(true);
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QNetworkRequest req(QUrl(RSS_URL));
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req.setRawHeader("Accept", "application/rss+xml, text/xml, */*");
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req.setRawHeader("User-Agent", "MultiMC/5.0 (Uncached)");
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reply = ENV.qnam().get(req);
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connect(reply, SIGNAL(finished()), SLOT(netRequestComplete()));
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qDebug() << "Downloading LWJGL RSS...";
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m_rssDLJob.reset(new NetJob("LWJGL RSS"));
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m_rssDL = Net::Download::makeByteArray(QUrl(RSS_URL), &m_rssData);
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m_rssDLJob->addNetAction(m_rssDL);
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connect(m_rssDLJob.get(), &NetJob::failed, this, &LWJGLVersionList::rssFailed);
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connect(m_rssDLJob.get(), &NetJob::succeeded, this, &LWJGLVersionList::rssSucceeded);
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m_rssDLJob->start();
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}
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inline QDomElement getDomElementByTagName(QDomElement parent, QString tagname)
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@ -98,91 +97,70 @@ inline QDomElement getDomElementByTagName(QDomElement parent, QString tagname)
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return QDomElement();
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}
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void LWJGLVersionList::netRequestComplete()
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void LWJGLVersionList::rssFailed(const QString& reason)
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{
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if (reply->error() == QNetworkReply::NoError)
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m_loading = false;
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qWarning() << "Failed to load LWJGL list. Network error: " + reason;
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}
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void LWJGLVersionList::rssSucceeded()
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{
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QRegExp lwjglRegex("lwjgl-(([0-9]\\.?)+)\\.zip");
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Q_ASSERT_X(lwjglRegex.isValid(), "load LWJGL list", "LWJGL regex is invalid");
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QDomDocument doc;
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QString xmlErrorMsg;
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int errorLine;
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if (!doc.setContent(m_rssData, false, &xmlErrorMsg, &errorLine))
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{
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QRegExp lwjglRegex("lwjgl-(([0-9]\\.?)+)\\.zip");
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Q_ASSERT_X(lwjglRegex.isValid(), "load LWJGL list", "LWJGL regex is invalid");
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qWarning() << "Failed to load LWJGL list. XML error: " + xmlErrorMsg + " at line " + QString::number(errorLine);
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m_loading = false;
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m_rssData.clear();
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return;
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}
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m_rssData.clear();
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QDomDocument doc;
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QDomNodeList items = doc.elementsByTagName("item");
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QString xmlErrorMsg;
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int errorLine;
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auto rawData = reply->readAll();
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if (!doc.setContent(rawData, false, &xmlErrorMsg, &errorLine))
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QList<PtrLWJGLVersion> tempList;
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for (int i = 0; i < items.length(); i++)
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{
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Q_ASSERT_X(items.at(i).isElement(), "load LWJGL list", "XML element isn't an element... wat?");
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QDomElement linkElement = getDomElementByTagName(items.at(i).toElement(), "link");
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if (linkElement.isNull())
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{
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failed("Failed to load LWJGL list. XML error: " + xmlErrorMsg + " at line " + QString::number(errorLine));
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setLoading(false);
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qDebug() << QString::fromUtf8(rawData);
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return;
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qDebug() << "Link element" << i << "in RSS feed doesn't exist! Skipping.";
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continue;
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}
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QDomNodeList items = doc.elementsByTagName("item");
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QString link = linkElement.text();
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QList<PtrLWJGLVersion> tempList;
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for (int i = 0; i < items.length(); i++)
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// Make sure it's a download link.
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if (link.endsWith("/download") && link.contains(lwjglRegex))
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{
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Q_ASSERT_X(items.at(i).isElement(), "load LWJGL list",
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"XML element isn't an element... wat?");
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QString name = link.mid(lwjglRegex.indexIn(link) + 6);
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// Subtract 4 here to remove the .zip file extension.
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name = name.left(lwjglRegex.matchedLength() - 10);
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QDomElement linkElement = getDomElementByTagName(items.at(i).toElement(), "link");
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if (linkElement.isNull())
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QUrl url(link);
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if (!url.isValid())
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{
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qDebug() << "Link element" << i << "in RSS feed doesn't exist! Skipping.";
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qWarning() << "LWJGL version URL isn't valid:" << link << "Skipping.";
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continue;
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}
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QString link = linkElement.text();
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// Make sure it's a download link.
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if (link.endsWith("/download") && link.contains(lwjglRegex))
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{
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QString name = link.mid(lwjglRegex.indexIn(link) + 6);
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// Subtract 4 here to remove the .zip file extension.
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name = name.left(lwjglRegex.matchedLength() - 10);
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QUrl url(link);
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if (!url.isValid())
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{
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qWarning() << "LWJGL version URL isn't valid:" << link << "Skipping.";
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continue;
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}
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qDebug() << "Discovered LWGL version" << name << "at" << link;
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tempList.append(std::make_shared<LWJGLVersion>(name, link));
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}
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qDebug() << "Discovered LWGL version" << name << "at" << link;
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tempList.append(std::make_shared<LWJGLVersion>(name, link));
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}
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beginResetModel();
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m_vlist.swap(tempList);
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endResetModel();
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qDebug() << "Loaded LWJGL list.";
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finished();
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}
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else
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{
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failed("Failed to load LWJGL list. Network error: " + reply->errorString());
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}
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setLoading(false);
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reply->deleteLater();
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}
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beginResetModel();
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m_vlist.swap(tempList);
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endResetModel();
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void LWJGLVersionList::failed(QString msg)
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{
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qCritical() << msg;
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emit loadListFailed(msg);
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}
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void LWJGLVersionList::finished()
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{
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emit loadListFinished();
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}
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void LWJGLVersionList::setLoading(bool loading)
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{
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m_loading = loading;
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emit loadingStateUpdated(m_loading);
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qDebug() << "Loaded LWJGL list.";
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m_loading = false;
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}
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@ -25,6 +25,7 @@
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#include "BaseVersionList.h"
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#include "multimc_logic_export.h"
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#include <net/NetJob.h>
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class LWJGLVersion;
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typedef std::shared_ptr<LWJGLVersion> PtrLWJGLVersion;
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@ -99,58 +100,17 @@ public:
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}
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virtual int columnCount(const QModelIndex &parent) const override;
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virtual bool isLoading() const;
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virtual bool errored() const
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{
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return m_errored;
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}
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virtual QString lastErrorMsg() const
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{
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return m_lastErrorMsg;
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}
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public
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slots:
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/*!
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* Loads the version list.
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* This is done asynchronously. On success, the loadListFinished() signal will
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* be emitted. The list model will be reset as well, resulting in the modelReset()
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* signal being emitted. Note that the model will be reset before loadListFinished() is
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* emitted.
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* If loading the list failed, the loadListFailed(QString msg),
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* signal will be emitted.
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*/
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public slots:
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virtual void loadList();
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signals:
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/*!
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* Emitted when the list either starts or finishes loading.
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* \param loading Whether or not the list is loading.
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*/
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void loadingStateUpdated(bool loading);
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void loadListFinished();
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void loadListFailed(QString msg);
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private slots:
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void rssFailed(const QString & reason);
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void rssSucceeded();
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private:
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QList<PtrLWJGLVersion> m_vlist;
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QNetworkReply *m_netReply;
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QNetworkReply *reply;
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bool m_loading;
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bool m_errored;
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QString m_lastErrorMsg;
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void failed(QString msg);
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void finished();
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void setLoading(bool loading);
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private
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slots:
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virtual void netRequestComplete();
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Net::Download::Ptr m_rssDL;
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NetJobPtr m_rssDLJob;
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QByteArray m_rssData;
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bool m_loading = false;
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};
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