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Fixed offline mode handling in file downloader with the QWidget based interface

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This commit is contained in:
Xawotihs@gmail.com
2012-01-24 22:57:07 +00:00
parent 350b28d81f
commit 186e0aec6b
2 changed files with 56 additions and 24 deletions
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44
JGE/include/qt/filedownloader.h
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@@ -9,6 +9,8 @@
#include <QTemporaryFile>
#ifdef QT_WIDGET
#include <QProgressDialog>
#include <QPushButton>
#include <QCoreApplication>
#else
#include <qdeclarative.h>
#endif //QT_WIDGET
@@ -60,19 +62,30 @@ signals:
private slots:
void fileDownloaded(){
if(m_tmp.write(m_downloadReply->readAll()) == -1) return;
if(QFile(m_localPath).exists())
QFile::remove(m_localPath);
// let's check some error
if(m_downloadReply->error() != QNetworkReply::NoError) {
m_state = NETWORK_ERROR;
} else {
if(m_tmp.write(m_downloadReply->readAll()) == -1) return;
if(QFile(m_localPath).exists())
QFile::remove(m_localPath);
if(!m_tmp.rename(m_localPath)) return;
computeLocalHash(m_tmp);
m_tmp.setAutoRemove(false);
m_state = DOWNLOADED;
m_tmp.close();
computeLocalHash(m_tmp);
if(m_localHash == m_remoteHash) {
if(!m_tmp.rename(m_localPath)) return;
m_tmp.setAutoRemove(false);
m_state = DOWNLOADED;
}
else {
m_state = NETWORK_ERROR;
}
}
emit stateChanged(m_state);
};
void downloadProgress(qint64 bytesReceived, qint64 bytesTotal){
if(m_tmp.write(m_downloadReply->readAll()) == -1) return;
if(!bytesTotal) return;
m_received = bytesReceived*100/bytesTotal;
emit receivedChanged(m_received);
};
@@ -83,8 +96,16 @@ private slots:
void handleStateChange(DownloadState state){
#ifdef QT_WIDGET
switch(state) {
case DOWNLOADED:
case NETWORK_ERROR:
if(m_localHash == "") {
setLabelText("Network Error");
setCancelButton(new QPushButton("OK"));
show();
} else {
emit finished(0);
}
break;
case DOWNLOADED:
emit finished(0);
break;
case DOWNLOADING_HASH:
@@ -98,6 +119,11 @@ private slots:
emit stateStringChanged();
#endif //QT_WIDGET
};
#ifdef QT_WIDGET
void handleCancel(){
QCoreApplication::instance()->exit(1);
}
#endif //QT_WIDGET
private: