Adds a small class to download files from the Qt frontend

JGE/include/qt/filedownloader.h

@@ -0,0 +1,54 @@
+#ifndef FILEDOWNLOADER_H
+#define FILEDOWNLOADER_H
+
+#include <QObject>
+#include <QByteArray>
+#include <QNetworkAccessManager>
+#include <QNetworkRequest>
+#include <QNetworkReply>
+#include <qdeclarative.h>
+#include <QTemporaryFile>
+
+ 
+class FileDownloader : public QObject
+{
+    Q_OBJECT
+    Q_PROPERTY(qint64 received READ received NOTIFY receivedChanged)
+public:
+    explicit FileDownloader(QUrl url, QString localPath, QObject *parent = 0);
+    virtual ~FileDownloader();
+    qint64 received() const {return m_received;};
+    bool isDone() {return m_done;};
+
+signals:
+    void downloaded();
+    void receivedChanged();
+
+private slots:
+    void fileDownloaded(QNetworkReply* pReply){
+        if(m_tmp.write(pReply->readAll()) == -1) return;
+
+        if(!m_tmp.rename(m_localPath)) return;
+
+        m_tmp.setAutoRemove(false);
+
+        //emit a signal
+        emit downloaded();
+    };
+    void downloadProgress(qint64 bytesReceived, qint64 bytesTotal){
+        m_received = bytesReceived*100/bytesTotal;
+        emit receivedChanged();
+    };
+
+private:
+
+    QNetworkAccessManager m_WebCtrl;
+    qint64 m_received;
+    QTemporaryFile m_tmp;
+    QString m_localPath;
+    bool m_OK;
+    bool m_done;
+};
+QML_DECLARE_TYPEINFO(FileDownloader, QML_HAS_ATTACHED_PROPERTIES)
+
+#endif // FILEDOWNLOADER_H

JGE/src/qt/filedownloader.cpp

@@ -0,0 +1,27 @@
+#include "filedownloader.h"
+ 
+FileDownloader::FileDownloader(QUrl url, QString localPath, QObject *parent) :
+    QObject(parent), m_received(0), m_localPath(localPath), m_OK(false), m_done(false)
+
+{
+    QFile local(m_localPath);
+    if(local.exists()) {
+        m_done = true;
+        return;
+    }
+    connect(&m_WebCtrl, SIGNAL(finished(QNetworkReply*)),
+                SLOT(fileDownloaded(QNetworkReply*)));
+
+    QNetworkRequest request(url);
+    QNetworkReply* reply = m_WebCtrl.get(request);
+
+    connect(reply, SIGNAL(downloadProgress(qint64, qint64)),
+                SLOT(downloadProgress(qint64, qint64)));
+
+    m_OK = m_tmp.open();
+}
+
+FileDownloader::~FileDownloader()
+{
+
+}