sdrangel/sdrgui/gui/httpdownloadmanagergui.cpp

121 wiersze
5.0 KiB
C++

///////////////////////////////////////////////////////////////////////////////////
// Copyright (C) 2021 Jon Beniston, M7RCE //
// //
// This program is free software; you can redistribute it and/or modify //
// it under the terms of the GNU General Public License as published by //
// the Free Software Foundation as version 3 of the License, or //
// (at your option) any later version. //
// //
// This program is distributed in the hope that it will be useful, //
// but WITHOUT ANY WARRANTY; without even the implied warranty of //
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the //
// GNU General Public License V3 for more details. //
// //
// You should have received a copy of the GNU General Public License //
// along with this program. If not, see <http://www.gnu.org/licenses/>. //
///////////////////////////////////////////////////////////////////////////////////
#include "httpdownloadmanagergui.h"
#include <QDebug>
#include <QProgressDialog>
#include <QMessageBox>
HttpDownloadManagerGUI::HttpDownloadManagerGUI()
{
connect(this, &HttpDownloadManager::downloadComplete, this, &HttpDownloadManagerGUI::downloadCompleteGUI);
connect(this, &HttpDownloadManager::retryDownload, this, &HttpDownloadManagerGUI::retryDownload);
}
QNetworkReply *HttpDownloadManagerGUI::download(const QUrl &url, const QString &filename, QWidget *parent)
{
m_filenames.append(filename);
QNetworkReply *reply = HttpDownloadManager::download(url, filename);
if (parent != nullptr)
{
QProgressDialog *progressDialog = new QProgressDialog(parent);
progressDialog->setCancelButton(nullptr);
progressDialog->setMinimumDuration(500);
progressDialog->setLabelText(QString("Downloading: %1\nTo: %2.").arg(url.toString(), filename));
Qt::WindowFlags flags = progressDialog->windowFlags();
flags |= Qt::CustomizeWindowHint;
flags &= ~Qt::WindowCloseButtonHint;
flags &= ~Qt::WindowContextHelpButtonHint;
progressDialog->setWindowFlags(flags);
m_progressDialogs.append(progressDialog);
connect(reply, &QNetworkReply::downloadProgress, this, [progressDialog](qint64 bytesRead, qint64 totalBytes) {
if (progressDialog)
{
progressDialog->setMaximum(totalBytes);
progressDialog->setValue(bytesRead);
}
});
}
else
{
m_progressDialogs.append(nullptr);
}
return reply;
}
// Confirm if user wants to re-download an existing file
bool HttpDownloadManagerGUI::confirmDownload(const QString& filename, QWidget *parent, int maxAge)
{
qint64 age = HttpDownloadManager::fileAgeInDays(filename);
if ((age == -1) || (age > maxAge))
{
return true;
}
else
{
QMessageBox::StandardButton reply;
if (age == 0) {
reply = QMessageBox::question(parent, "Confirm download", "This file was last downloaded today. Are you sure you wish to redownload it?", QMessageBox::Yes|QMessageBox::No);
} else if (age == 1) {
reply = QMessageBox::question(parent, "Confirm download", "This file was last downloaded yesterday. Are you sure you wish to redownload it?", QMessageBox::Yes|QMessageBox::No);
} else {
reply = QMessageBox::question(parent, "Confirm download", QString("This file was last downloaded %1 days ago. Are you sure you wish to redownload this file?").arg(age), QMessageBox::Yes|QMessageBox::No);
}
return reply == QMessageBox::Yes;
}
}
void HttpDownloadManagerGUI::downloadCompleteGUI(const QString& filename, bool success)
{
(void) success;
int idx = m_filenames.indexOf(filename);
if (idx >= 0)
{
QProgressDialog *progressDialog = m_progressDialogs[idx];
if (progressDialog != nullptr)
{
progressDialog->close();
delete progressDialog;
}
m_filenames.remove(idx);
m_progressDialogs.remove(idx);
}
}
void HttpDownloadManagerGUI::retryDownload(const QString &filename, QNetworkReply *oldReply, QNetworkReply *newReply)
{
(void) oldReply;
int idx = m_filenames.indexOf(filename);
if (idx >= 0)
{
QProgressDialog *progressDialog = m_progressDialogs[idx];
if (progressDialog != nullptr)
{
connect(newReply, &QNetworkReply::downloadProgress, this, [progressDialog](qint64 bytesRead, qint64 totalBytes) {
if (progressDialog)
{
progressDialog->setMaximum(totalBytes);
progressDialog->setValue(bytesRead);
}
});
}
}
}