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CachingNetworkManagerFactory.cpp
1/*
2 * Copyright (C) 2014 Canonical Ltd.
3 *
4 * This program is free software; you can redistribute it and/or modify
5 * it under the terms of the GNU General Public License as published by
6 * the Free Software Foundation; version 3.
7 *
8 * This program is distributed in the hope that it will be useful,
9 * but WITHOUT ANY WARRANTY; without even the implied warranty of
10 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
11 * GNU General Public License for more details.
12 *
13 * You should have received a copy of the GNU General Public License
14 * along with this program. If not, see <http://www.gnu.org/licenses/>.
15 *
16 */
17
18#include "CachingNetworkManagerFactory.h"
19
20#include <QNetworkDiskCache>
21#include <QNetworkAccessManager>
22#include <QStandardPaths>
23
24CachingNetworkAccessManager::CachingNetworkAccessManager(QObject *parent)
25 : QNetworkAccessManager(parent)
26{
27 m_networkingStatus = new connectivityqt::Connectivity(QDBusConnection::sessionBus(), this);
28}
29
30QNetworkReply* CachingNetworkAccessManager::createRequest(Operation op, const QNetworkRequest &request, QIODevice *outgoingData)
31{
32 if (m_networkingStatus->status() != connectivityqt::Connectivity::Status::Online) {
33 qDebug() << "Not connected to the internet. Request for" << request.url().toString() << "will be served only from the cache.";
34 QNetworkRequest req(request);
35 req.setAttribute(QNetworkRequest::CacheLoadControlAttribute, QNetworkRequest::AlwaysCache);
36 return QNetworkAccessManager::createRequest(op, req, outgoingData);
37 }
38
39 return QNetworkAccessManager::createRequest(op, request, outgoingData);
40}
41
42CachingNetworkManagerFactory::CachingNetworkManagerFactory()
43{
44}
45
46QNetworkAccessManager *CachingNetworkManagerFactory::create(QObject *parent) {
47 QNetworkAccessManager *manager = new CachingNetworkAccessManager(parent);
48
49 QNetworkDiskCache* cache = new QNetworkDiskCache(manager);
50 cache->setCacheDirectory(QStringLiteral("%1/network").arg(QStandardPaths::writableLocation(QStandardPaths::CacheLocation)));
51
52 manager->setCache(cache);
53 return manager;
54}