UpdateNotifier Class Reference

Inheritance diagram for UpdateNotifier:

Collaboration diagram for UpdateNotifier:

Public Slots
bool	hasDefinedUpdatesFlag () const
	Returns true if settings contain record about user choice for updates. More...
void	replyFinished (QNetworkReply *reply)
void	setCheckUpdatesFlag (bool flag)
bool	updatesFlag () const
	Returns true if there is defined flag requiring check for updates. More...

Signals
void	onUpdateNotification (const QString &text)

Public Member Functions
	UpdateNotifier (QObject *parent=0)
void	checkForUpdates ()

Private Attributes
QNetworkAccessManager *	m_networkAccessManager

Detailed Description

Definition at line 23 of file UpdateNotifier.h.

Constructor & Destructor Documentation

UpdateNotifier()

UpdateNotifier::UpdateNotifier

(

QObject *

parent = 0

)

Definition at line 20 of file UpdateNotifier.cpp.

    : QObject(parent), m_networkAccessManager(new QNetworkAccessManager(parent))
{
    connect(m_networkAccessManager, &QNetworkAccessManager::finished, this,
            &UpdateNotifier::replyFinished);
}

References m_networkAccessManager, and replyFinished().

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Member Function Documentation

checkForUpdates()

void UpdateNotifier::checkForUpdates

(

)

Definition at line 27 of file UpdateNotifier.cpp.

{
    if (hasDefinedUpdatesFlag()) {
        if (updatesFlag()) {
            QString address(Constants::S_VERSION_URL);
            QUrl url(address);
            QNetworkRequest networkRequest(url);
            networkRequest.setAttribute(QNetworkRequest::CacheLoadControlAttribute,
                                        QNetworkRequest::AlwaysNetwork);
            QString text = QString("Mozilla/5.0 (BornAgainGUI-%1)")
                               .arg(GUIHelpers::getBornAgainVersionString());
            networkRequest.setRawHeader(QByteArray("User-Agent"), text.toLatin1());
            m_networkAccessManager->get(networkRequest);
        } else {
            emit onUpdateNotification("");
        }
    }
}

References GUIHelpers::getBornAgainVersionString(), hasDefinedUpdatesFlag(), m_networkAccessManager, onUpdateNotification(), Constants::S_VERSION_URL, and updatesFlag().

Referenced by UpdateNotifierWidget::onLinkActivated(), UpdateNotifierWidget::showEvent(), and ActionManager::toggleCheckForUpdates().

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hasDefinedUpdatesFlag

bool UpdateNotifier::hasDefinedUpdatesFlag ( ) const

slot

Returns true if settings contain record about user choice for updates.

Definition at line 98 of file UpdateNotifier.cpp.

{
    QSettings settings;
    return settings.childGroups().contains(Constants::S_UPDATES);
}

References Constants::S_UPDATES.

Referenced by UpdateNotifierWidget::UpdateNotifierWidget(), and checkForUpdates().

onUpdateNotification

void UpdateNotifier::onUpdateNotification ( const QString &  text )

signal

Referenced by UpdateNotifierWidget::UpdateNotifierWidget(), checkForUpdates(), and replyFinished().

replyFinished

void UpdateNotifier::replyFinished ( QNetworkReply *  reply )

slot

Definition at line 46 of file UpdateNotifier.cpp.

{
    QString replyString;
    if (reply->error() == QNetworkReply::NoError) {
        if (reply->isReadable()) {
            // Reading the first line of ChangeLog
            replyString = QString::fromUtf8(reply->readLine().data());
            int versionIndex = replyString.indexOf("-") + 1;
            int versionIndexEnd = replyString.indexOf(",", versionIndex);
            QString versionString = replyString.mid(versionIndex, versionIndexEnd - versionIndex);
            QString myVersion = GUIHelpers::getBornAgainVersionString();
 
            // Testwise degrade version
            // myVersion = "1.1.0";
 
            if (GUIHelpers::versionCode(versionString) > GUIHelpers::versionCode(myVersion)) {
                QString message("New version is available: <a href=\"");
                message.append(Constants::S_DOWNLOAD_LINK);
                message.append("\">");
                message.append(replyString);
                message.append("</a>");
                emit onUpdateNotification(message);
            } else {
                emit onUpdateNotification("");
            }
        }
    };
    reply->deleteLater();
}

References GUIHelpers::getBornAgainVersionString(), onUpdateNotification(), Constants::S_DOWNLOAD_LINK, and GUIHelpers::versionCode().

Referenced by UpdateNotifier().

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setCheckUpdatesFlag

void UpdateNotifier::setCheckUpdatesFlag ( bool  flag )

slot

Definition at line 76 of file UpdateNotifier.cpp.

{
    QSettings settings;
    settings.beginGroup(Constants::S_UPDATES);
    settings.setValue(Constants::S_CHECKFORUPDATES, flag);
    settings.endGroup();
}

References Constants::S_CHECKFORUPDATES, and Constants::S_UPDATES.

Referenced by UpdateNotifierWidget::onLinkActivated(), and ActionManager::toggleCheckForUpdates().

updatesFlag

bool UpdateNotifier::updatesFlag ( ) const

slot

Returns true if there is defined flag requiring check for updates.

Definition at line 86 of file UpdateNotifier.cpp.

{
    QSettings settings;
    if (settings.childGroups().contains(Constants::S_UPDATES)) {
        settings.beginGroup(Constants::S_UPDATES);
        return settings.value(Constants::S_CHECKFORUPDATES).toBool();
    }
    return false;
}

References Constants::S_CHECKFORUPDATES, and Constants::S_UPDATES.

Referenced by checkForUpdates().

Member Data Documentation

m_networkAccessManager

QNetworkAccessManager* UpdateNotifier::m_networkAccessManager

private

Definition at line 42 of file UpdateNotifier.h.

Referenced by UpdateNotifier(), and checkForUpdates().

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The documentation for this class was generated from the following files:

• /home/www/ba/GUI/coregui/mainwindow/UpdateNotifier.h
• /home/www/ba/GUI/coregui/mainwindow/UpdateNotifier.cpp