12a431ff8c
- Coded a resource package download GUI based on QWidget - Removed compilation warning on unused variable - Updated Maemo desktop file to start directly the binary - Updated .pro file - Updated version macros to be able to compose the resource package file - Updated QML interface for Android - Updated QML interface to not contain the name of the resource package - Updated the file downloader class to be able to get the resource package hash from the google code server - Updated the file downloaded class to verify the resource package hash from the remote server at each startup to be able to perform automatic update - Defined several JGE operation as static to clean up the wagic wrapper
122 lines
3.1 KiB
C++
122 lines
3.1 KiB
C++
#ifndef FILEDOWNLOADER_H
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#define FILEDOWNLOADER_H
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#include <QObject>
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#include <QByteArray>
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#include <QNetworkAccessManager>
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#include <QNetworkRequest>
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#include <QNetworkReply>
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#include <QTemporaryFile>
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#ifdef QT_WIDGET
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#include <QProgressDialog>
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#else
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#include <qdeclarative.h>
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#endif //QT_WIDGET
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class FileDownloader :
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#ifdef QT_WIDGET
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public QProgressDialog
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#else
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public QObject
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#endif //QT_WIDGET
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{
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Q_OBJECT
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Q_PROPERTY(qint64 received READ received NOTIFY receivedChanged)
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Q_PROPERTY(QString status READ getStatus NOTIFY statusChanged)
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Q_PROPERTY(DownloadState state READ getState NOTIFY stateChanged )
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Q_PROPERTY(QString state_string READ getStateString NOTIFY stateStringChanged )
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Q_ENUMS(DownloadState)
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public:
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enum DownloadState {
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NETWORK_ERROR,
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DOWNLOADING_HASH,
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DOWNLOADING_FILE,
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DOWNLOADED
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} ;
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explicit FileDownloader(QString localPath, QString targetFile, QObject *parent = 0);
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virtual ~FileDownloader();
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qint64 received() const {return m_received;};
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QString getStatus() {return m_status;};
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DownloadState getState() {
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return m_state;
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};
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QString getStateString() {
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if(m_state == DOWNLOADING_HASH )
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return "DOWNLOADING_HASH";
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else if(m_state == DOWNLOADING_FILE )
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return "DOWNLOADING_FILE";
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else
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return "DOWNLOADED";
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}
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signals:
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void receivedChanged(int value);
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void statusChanged();
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void stateChanged(DownloadState state);
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void stateStringChanged();
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private slots:
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void fileDownloaded(){
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if(m_tmp.write(m_downloadReply->readAll()) == -1) return;
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if(QFile(m_localPath).exists())
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QFile::remove(m_localPath);
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if(!m_tmp.rename(m_localPath)) return;
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computeLocalHash(m_tmp);
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m_tmp.setAutoRemove(false);
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m_state = DOWNLOADED;
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emit stateChanged(m_state);
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};
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void downloadProgress(qint64 bytesReceived, qint64 bytesTotal){
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if(m_tmp.write(m_downloadReply->readAll()) == -1) return;
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m_received = bytesReceived*100/bytesTotal;
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emit receivedChanged(m_received);
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};
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void setDownloadUrl(QUrl url);
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void computeLocalHash(QFile& file);
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void requestHash(QUrl url);
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void computeRemoteHash();
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void handleStateChange(DownloadState state){
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#ifdef QT_WIDGET
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switch(state) {
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case DOWNLOADED:
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case NETWORK_ERROR:
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emit finished(0);
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break;
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case DOWNLOADING_HASH:
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break;
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case DOWNLOADING_FILE:
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show();
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break;
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}
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#else
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emit stateStringChanged();
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#endif //QT_WIDGET
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};
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private:
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DownloadState m_state;
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QNetworkAccessManager m_WebCtrl;
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qint64 m_received;
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QTemporaryFile m_tmp;
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QString m_targetFile;
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QString m_localPath;
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QString m_localHash;
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QString m_remoteHash;
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bool m_OK;
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QString m_status;
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QNetworkReply* m_downloadReply;
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QNetworkReply* m_hashReply;
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};
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#ifndef QT_WIDGET
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QML_DECLARE_TYPEINFO(FileDownloader, QML_HAS_ATTACHED_PROPERTIES)
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#endif //QT_WIDGET
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#endif // FILEDOWNLOADER_H
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