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#include "updatechecker.h"
#include "smallUsefulFunctions.h"
#include "utilsVersion.h"
#include "configmanager.h"
#include <QNetworkReply>
#include <QNetworkProxyFactory>
#include <QMutex>
UpdateChecker *UpdateChecker::m_Instance = 0;
UpdateChecker::UpdateChecker() :
QObject(0), silent(true)
{
QNetworkProxyFactory::setUseSystemConfiguration(true);
//networkManager = new QNetworkAccessManager();
// activate networkManager only when directly needed as it causes network delays on mac (Bug 1717/1738)
networkManager=0;
}
UpdateChecker::~UpdateChecker()
{
m_Instance = 0;
}
QString UpdateChecker::lastCheckAsString()
{
QDateTime lastCheck = ConfigManager::getInstance()->getOption("Update/LastCheck").toDateTime();
return lastCheck.isValid() ? lastCheck.toString("d.M.yyyy hh:mm") : tr("Never", "last update");
}
void UpdateChecker::autoCheck()
{
ConfigManagerInterface *cfg = ConfigManager::getInstance();
bool autoCheck = cfg->getOption("Update/AutoCheck").toBool();
if (autoCheck) {
QDateTime lastCheck = cfg->getOption("Update/LastCheck").toDateTime();
int checkInterval = cfg->getOption("Update/AutoCheckInvervalDays").toInt();
if (!lastCheck.isValid() || lastCheck.addDays(checkInterval) < QDateTime::currentDateTime()) {
check();
}
}
}
void UpdateChecker::check(bool silent)
{
this->silent = silent;
networkManager = new QNetworkAccessManager();
QNetworkRequest request = QNetworkRequest(QUrl("http://texstudio.sourceforge.net/update/txsUpdate.xml"));
request.setRawHeader("User-Agent", "TeXstudio Update Checker");
QNetworkReply *reply = networkManager->get(request);
connect(reply, SIGNAL(finished()), this, SLOT(onRequestCompleted()));
if (!silent)
connect(reply, SIGNAL(error(QNetworkReply::NetworkError)), this, SLOT(onRequestError()));
}
void UpdateChecker::onRequestError()
{
QNetworkReply *reply = qobject_cast<QNetworkReply *>(sender());
if (!reply) return;
txsCritical(tr("Update check failed with error:\n") + reply->errorString());
networkManager->deleteLater();
networkManager=0;
}
void UpdateChecker::onRequestCompleted()
{
QNetworkReply *reply = qobject_cast<QNetworkReply *>(sender());
if (!reply || reply->error() != QNetworkReply::NoError) return;
QByteArray ba = reply->readAll();
parseData(ba);
checkForNewVersion();
networkManager->deleteLater();
networkManager=0;
}
void UpdateChecker::parseData(const QByteArray &data)
{
QDomDocument domDocument;
if (domDocument.setContent(data)) {
QDomElement root = domDocument.documentElement();
if (root.tagName() != "versions") {
if (!silent) txsWarning(tr("Update check failed (invalid update file format)."));
return;
}
latestStableVersion = Version();
latestDevVersion = Version();
latestReleaseCandidateVersion = Version();
QDomNodeList nodes = root.elementsByTagName("version");
for (int i = 0; i < nodes.count(); i++) {
QDomElement elem = nodes.at(i).toElement();
Version v;
v.platform = elem.attribute("platform");
v.versionNumber = elem.attribute("number");
v.type = elem.attribute("type");
v.revision = elem.attribute("revision").toInt();
#if defined(Q_OS_WIN)
if (v.platform != "win") continue;
#elif defined(Q_OS_MAC)
if (v.platform != "mac") continue;
#else
if (v.platform != "linux") continue;
#endif
if (v.type == "stable") {
latestStableVersion = v;
} else if (v.type == "development") {
latestDevVersion = v;
} else if (v.type == "release candidate") {
latestReleaseCandidateVersion = v;
}
}
}
}
void UpdateChecker::checkForNewVersion()
{
// updateLevel values from comboBoxUpdateLevel indices:
// 0: stable, 1: release candidate, 2: development
int updateLevel = ConfigManager::getInstance()->getOption("Update/UpdateLevel").toInt();
bool checkReleaseCandidate = updateLevel >= 1;
bool checkDevVersions = updateLevel >= 2;
Version currentVersion = Version::current();
QString downloadAddress = "http://texstudio.sourceforge.net";
if (!latestStableVersion.isValid()) {
if (!silent) txsWarning(tr("Update check failed (invalid update file format)."));
return;
}
while (true) { // single control loop, used be able to break the control flow when some new version is detected
if (checkReleaseCandidate && !latestReleaseCandidateVersion.isEmpty()) {
if (!latestReleaseCandidateVersion.isValid()) {
if (!silent) txsWarning(tr("Update check for release candidate failed (invalid update file format)."));
}
if (latestReleaseCandidateVersion > currentVersion && latestReleaseCandidateVersion > latestStableVersion) {
notify(QString(tr(
"A new release candidate of TeXstudio is available.<br>"
"<table><tr><td>Current version:</td><td>%1 (%2)</td></tr>"
"<tr><td>Latest stable version:</td><td>%3 (%4)</td></tr>"
"<tr><td>Release candidate:</td><td>%5 (%6)</td></tr>"
"</table><br><br>"
"You can download it from the <a href='%7'>TeXstudio website</a>."
)).arg(currentVersion.versionNumber).arg(currentVersion.revision)
.arg(latestStableVersion.versionNumber).arg(latestStableVersion.revision)
.arg(latestReleaseCandidateVersion.versionNumber).arg(latestReleaseCandidateVersion.revision)
.arg(downloadAddress)
);
break;
}
}
if (checkDevVersions && !latestDevVersion.isEmpty()) {
if (!latestDevVersion.isValid()) {
if (!silent) txsWarning(tr("Update check for development version failed (invalid update file format)."));
}
if (latestDevVersion > currentVersion && latestDevVersion > latestStableVersion) {
notify(QString(tr(
"A new development version of TeXstudio is available.<br>"
"<table><tr><td>Current version:</td><td>%1 (%2)</td></tr>"
"<tr><td>Latest stable version:</td><td>%3 (%4)</td></tr>"
"<tr><td>Latest development version:</td><td>%5 (%6)</td></tr>"
"</table><br><br>"
"You can download it from the <a href='%7'>TeXstudio website</a>."
)).arg(currentVersion.versionNumber).arg(currentVersion.revision)
.arg(latestStableVersion.versionNumber).arg(latestStableVersion.revision)
.arg(latestDevVersion.versionNumber).arg(latestDevVersion.revision)
.arg(downloadAddress)
);
break;
}
}
if (latestStableVersion > currentVersion) {
notify(QString(tr(
"A new version of TeXstudio is available.<br>"
"<table><tr><td>Current version:</td><td>%1</td></tr>"
"<tr><td>Latest stable version:</td><td>%2</td></tr>"
"</table><br><br>"
"You can download it from the <a href='%3'>TeXstudio website</a>."
)).arg(currentVersion.versionNumber).arg(latestStableVersion.versionNumber).arg(downloadAddress)
);
} else {
if (!silent) txsInformation(tr("TeXstudio is up-to-date."));
}
break;
}
ConfigManager::getInstance()->setOption("Update/LastCheck", QDateTime::currentDateTime());
emit checkCompleted();
}
void UpdateChecker::notify(QString message)
{
QMessageBox msgBox;
msgBox.setWindowTitle(tr("TeXstudio Update"));
msgBox.setTextFormat(Qt::RichText);
msgBox.setText(message);
msgBox.setStandardButtons(QMessageBox::Ok);
msgBox.exec();
}
UpdateChecker *UpdateChecker::instance()
{
static QMutex mutex;
mutex.lock();
if (!m_Instance)
m_Instance = new UpdateChecker();
mutex.unlock();
return m_Instance;
}
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