urlfiledownload.cpp

/*
    SPDX-FileCopyrightText: 2015-2017 Pavel Mraz
 
    SPDX-FileCopyrightText: 2017 Jasem Mutlaq
 
    SPDX-License-Identifier: GPL-2.0-or-later
*/
 
#include "urlfiledownload.h"
#include <QDebug>
 
UrlFileDownload::UrlFileDownload(QObject *parent, QNetworkDiskCache *cache) : QObject(parent)
{
    connect(&m_manager, SIGNAL(finished(QNetworkReply*)), this, SLOT(downloadFinished(QNetworkReply*)));
 
    m_manager.setCache(cache);
}
 
void UrlFileDownload::begin(const QUrl &url, const pixCacheKey_t &key)
{
    QNetworkRequest request(url);
    request.setAttribute(QNetworkRequest::CacheLoadControlAttribute, QNetworkRequest::PreferCache);
 
    QNetworkReply *reply = m_manager.get(request);
 
    connect(this, SIGNAL(sigAbort()), reply, SLOT(abort()));
 
    QVariant val;
    val.setValue(key);
    reply->setProperty("user_data0", val);
}
 
void UrlFileDownload::abortAll()
{
    emit sigAbort();
}
 
void UrlFileDownload::downloadFinished(QNetworkReply *reply)
{
    pixCacheKey_t key = reply->property("user_data0").value<pixCacheKey_t>();
 
    //QVariant fromCache = reply->attribute(QNetworkRequest::SourceIsFromCacheAttribute);
 
    if (reply->error() == QNetworkReply::NoError)
    {
        QByteArray data = reply->readAll();
 
        emit sigDownloadDone(reply->error(), data, key);
    }
    else
    {
        QByteArray empty;
        emit sigDownloadDone(reply->error(), empty, key);
    }
 
    reply->deleteLater();
}