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/* $Id$ */
/** @file
* VBox Qt GUI - UIDownloader class implementation.
*/
/*
* Copyright (C) 2006-2022 Oracle and/or its affiliates.
*
* This file is part of VirtualBox base platform packages, as
* available from https://www.virtualbox.org.
*
* 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, in version 3 of the
* License.
*
* 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 for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, see <https://www.gnu.org/licenses>.
*
* SPDX-License-Identifier: GPL-3.0-only
*/
/* GUI includes: */
#include "UICommon.h"
#include "VBoxUtils.h"
#include "UIDownloader.h"
#include "UIMessageCenter.h"
#include "UINetworkReply.h"
UIDownloader::UIDownloader()
: m_state(UIDownloaderState_Null)
{
/* Connect async listeners for our own commands: */
connect(this, &UIDownloader::sigToStartAcknowledging, this, &UIDownloader::sltStartAcknowledging, Qt::QueuedConnection);
connect(this, &UIDownloader::sigToStartDownloading, this, &UIDownloader::sltStartDownloading, Qt::QueuedConnection);
connect(this, &UIDownloader::sigToStartVerifying, this, &UIDownloader::sltStartVerifying, Qt::QueuedConnection);
}
void UIDownloader::sltStartAcknowledging()
{
/* Set state to acknowledging: */
m_state = UIDownloaderState_Acknowledging;
/* Send HEAD requests: */
createNetworkRequest(UINetworkRequestType_HEAD, m_sources);
}
void UIDownloader::sltStartDownloading()
{
/* Set state to downloading: */
m_state = UIDownloaderState_Downloading;
/* Send GET request: */
createNetworkRequest(UINetworkRequestType_GET, QList<QUrl>() << m_source, m_strTarget);
}
void UIDownloader::sltStartVerifying()
{
/* Set state to verifying: */
m_state = UIDownloaderState_Verifying;
/* Send GET request: */
createNetworkRequest(UINetworkRequestType_GET, QList<QUrl>() << m_strPathSHA256SumsFile);
}
QString UIDownloader::description() const
{
/* Look for known state: */
switch (m_state)
{
case UIDownloaderState_Acknowledging: return tr("Looking for %1...");
case UIDownloaderState_Downloading: return tr("Downloading %1...");
case UIDownloaderState_Verifying: return tr("Verifying %1...");
default: break;
}
/* Return null-string by default: */
return QString();
}
void UIDownloader::processNetworkReplyProgress(qint64 iReceived, qint64 iTotal)
{
/* Notify listeners: */
emit sigProgressChange((double)iReceived / iTotal * 100);
}
void UIDownloader::processNetworkReplyFailed(const QString &strError)
{
/* Notify listeners: */
emit sigProgressFailed(strError);
}
void UIDownloader::processNetworkReplyCanceled(UINetworkReply *)
{
/* Notify listeners: */
emit sigProgressCanceled();
}
void UIDownloader::processNetworkReplyFinished(UINetworkReply *pNetworkReply)
{
/* Process reply: */
switch (m_state)
{
case UIDownloaderState_Acknowledging:
{
handleAcknowledgingResult(pNetworkReply);
break;
}
case UIDownloaderState_Downloading:
{
handleDownloadingResult(pNetworkReply);
break;
}
case UIDownloaderState_Verifying:
{
handleVerifyingResult(pNetworkReply);
break;
}
default:
break;
}
}
void UIDownloader::handleAcknowledgingResult(UINetworkReply *pNetworkReply)
{
/* Get the final source: */
m_source = pNetworkReply->url();
/* Ask for downloading: */
if (askForDownloadingConfirmation(pNetworkReply))
{
/* Start downloading: */
startDelayedDownloading();
}
else
{
/* Notify listeners: */
emit sigProgressFinished();
}
}
void UIDownloader::handleDownloadingResult(UINetworkReply *pNetworkReply)
{
/* Handle downloaded object: */
handleDownloadedObject(pNetworkReply);
/* Check whether we should do verification: */
if (!m_strPathSHA256SumsFile.isEmpty())
{
/* Start verifying: */
startDelayedVerifying();
}
else
{
/* Notify listeners: */
emit sigProgressFinished();
}
}
void UIDownloader::handleVerifyingResult(UINetworkReply *pNetworkReply)
{
/* Handle verified object: */
handleVerifiedObject(pNetworkReply);
/* Notify listeners: */
emit sigProgressFinished();
}
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