Port RSS fetcher to QNetworkAccessManager.

Reviewed-By: Alessandro Portale <alessandro.portale@nokia.com>

src/app/main.cpp

@@ -43,6 +43,8 @@
 #include <QtCore/QSettings>
 #include <QtCore/QVariant>
 
+#include <QtNetwork/QNetworkProxyFactory>
+
 #include <QtGui/QMessageBox>
 #include <QtGui/QApplication>
 #include <QtGui/QMainWindow>
@@ -216,6 +218,9 @@ int main(int argc, char **argv)
         }
     }
 
+    // Make sure we honor the system's proxy settings
+    QNetworkProxyFactory::setUseSystemConfiguration(true);
+
     // Load
     ExtensionSystem::PluginManager pluginManager;
     pluginManager.setFileExtension(QLatin1String("pluginspec"));

src/plugins/welcome/rssfetcher.cpp

@@ -32,7 +32,8 @@
 #include <QtCore/QLocale>
 #include <QtGui/QDesktopServices>
 #include <QtGui/QLineEdit>
-#include <QtNetwork/QHttp>
+#include <QtNetwork/QNetworkReply>
+#include <QtNetwork/QNetworkRequest>
 #include <QtNetwork/QNetworkProxyFactory>
 
 #include <coreplugin/coreconstants.h>
@@ -111,45 +112,31 @@ static const QString getOsString()
 RSSFetcher::RSSFetcher(int maxItems, QObject *parent)
     : QObject(parent), m_items(0), m_maxItems(maxItems)
 {
-    connect(&m_http, SIGNAL(readyRead(const QHttpResponseHeader &)),
-             this, SLOT(readData(const QHttpResponseHeader &)));
-
-    connect(&m_http, SIGNAL(requestFinished(int, bool)),
-             this, SLOT(finished(int, bool)));
+    connect(&m_networkAccessManager, SIGNAL(finished(QNetworkReply*)),
+            SLOT(fetchingFinished(QNetworkReply*)));
 }
 
 void RSSFetcher::fetch(const QUrl &url)
 {
-    QList<QNetworkProxy> proxies = QNetworkProxyFactory::systemProxyForQuery(QNetworkProxyQuery(url));
-    if (proxies.count() > 0)
-        m_http.setProxy(proxies.first());
-    m_http.setHost(url.host());
     QString agentStr = QString("Qt-Creator/%1 (QHttp %2; %3; %4; %5 bit)")
                     .arg(Core::Constants::IDE_VERSION_LONG).arg(qVersion())
                     .arg(getOsString()).arg(QLocale::system().name())
                     .arg(QSysInfo::WordSize);
-    QHttpRequestHeader header("GET", url.path());
-    //qDebug() << agentStr;
-    header.setValue("User-Agent", agentStr);
-    header.setValue("Host", url.host());
-    m_connectionId = m_http.request(header);
+    QNetworkRequest req(url);
+    req.setRawHeader("User-Agent", agentStr.toLatin1());
+    m_networkAccessManager.get(req);
 }
 
-void RSSFetcher::readData(const QHttpResponseHeader &resp)
+void RSSFetcher::fetchingFinished(QNetworkReply *reply)
 {
-    if (resp.statusCode() != 200)
-        m_http.abort();
-    else {
-        m_xml.addData(m_http.readAll());
+    bool error = (reply->error() != QNetworkReply::NoError);
+    if (!error) {
+        m_xml.addData(reply->readAll());
         parseXml();
+        m_items = 0;
     }
-}
-
-void RSSFetcher::finished(int id, bool error)
-{
-    Q_UNUSED(id)
-    m_items = 0;
     emit finished(error);
+    reply->deleteLater();
 }
 
 void RSSFetcher::parseXml()
@@ -182,6 +169,5 @@ void RSSFetcher::parseXml()
     }
     if (m_xml.error() && m_xml.error() != QXmlStreamReader::PrematureEndOfDocumentError) {
         qWarning() << "XML ERROR:" << m_xml.lineNumber() << ": " << m_xml.errorString();
-        m_http.abort();
     }
 }

src/plugins/welcome/rssfetcher.h

@@ -32,7 +32,11 @@
 
 #include <QtCore/QUrl>
 #include <QtCore/QXmlStreamReader>
-#include <QtNetwork/QHttp>
+#include <QtNetwork/QNetworkAccessManager>
+
+QT_BEGIN_NAMESPACE
+class QNetworkReply;
+QT_END_NAMESPACE
 
 namespace Welcome {
 namespace Internal {
@@ -45,14 +49,11 @@ public:
 
 signals:
     void newsItemReady(const QString& title, const QString& desciption, const QString& url);
+    void finished(bool error);
 
 public slots:
+    void fetchingFinished(QNetworkReply *reply);
     void fetch(const QUrl &url);
-    void finished(int id, bool error);
-    void readData(const QHttpResponseHeader &);
-
- signals:
-    void finished(bool error);
 
 private:
     void parseXml();
@@ -63,8 +64,7 @@ private:
     QString m_descriptionString;
     QString m_titleString;
 
-    QHttp m_http;
-    int m_connectionId;
+    QNetworkAccessManager m_networkAccessManager;
     int m_items;
     int m_maxItems;
 };