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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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36
JGE/src/qt/filedownloader.cpp
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@@ -13,8 +13,9 @@ FileDownloader::FileDownloader(QString localPath, QString targetFile, QObject *p
{
#ifdef QT_WIDGET
setCancelButton(0);
#endif //QT_WIDGET
connect(this, SIGNAL(receivedChanged(int)), SLOT(setValue(int)));
connect(this, SIGNAL(canceled()), SLOT(handleCancel()));
#endif //QT_WIDGET
connect(this, SIGNAL(stateChanged(DownloadState)), SLOT(handleStateChange(DownloadState)));
QDir dir(QDir::homePath());
@@ -81,18 +82,22 @@ void FileDownloader::requestHash(QUrl url)
void FileDownloader::computeRemoteHash()
{
QString aString = m_hashReply->readAll();
if(m_hashReply->error() != QNetworkReply::NoError) {
m_state = NETWORK_ERROR;
} else {
QString aString = m_hashReply->readAll();
int index = aString.indexOf("SHA1 Checksum: ");
m_remoteHash = aString.mid(index+52, 40);
if(m_localHash != m_remoteHash)
{ /* We download the real file */
m_state = DOWNLOADING_FILE;
setDownloadUrl(QUrl("http://wagic.googlecode.com/files/" + m_targetFile));
}
else
{
m_state = DOWNLOADED;
int index = aString.indexOf("SHA1 Checksum: ");
m_remoteHash = aString.mid(index+52, 40);
if(m_localHash != m_remoteHash)
{ /* We download the real file */
m_state = DOWNLOADING_FILE;
setDownloadUrl(QUrl("http://wagic.googlecode.com/files/" + m_targetFile));
}
else
{
m_state = DOWNLOADED;
}
}
emit stateChanged(m_state);
}
@@ -100,9 +105,10 @@ void FileDownloader::computeRemoteHash()
void FileDownloader::computeLocalHash(QFile& file)
{
QCryptographicHash crypto(QCryptographicHash::Sha1);
file.open(QFile::ReadOnly);
while(!file.atEnd()){
crypto.addData(file.read(8192));
QFile myFile(file.fileName());
myFile.open(QFile::ReadOnly);
while(!myFile.atEnd()){
crypto.addData(myFile.read(8192));
}
QByteArray hash = crypto.result();
m_localHash = hash.toHex();