git.iko.soy/unity8
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unity8/src/CachingNetworkManagerFactory.cpp
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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 */
18#include "CachingNetworkManagerFactory.h"
20#include <QNetworkDiskCache>
21#include <QNetworkAccessManager>
22#include <QStandardPaths>
23#include <QThread>
24#include <QNetworkConfigurationManager>
26CachingNetworkAccessManager::CachingNetworkAccessManager(QObject *parent)
27 : QNetworkAccessManager(parent)
29 m_networkManager = new QNetworkConfigurationManager(this);
31 QObject::connect(m_networkManager, &QNetworkConfigurationManager::onlineStateChanged, this, &CachingNetworkAccessManager::onlineStateChanged);
32 m_isOnline = m_networkManager->isOnline();
35void CachingNetworkAccessManager::onlineStateChanged(bool isOnline)
37 m_isOnline = isOnline;
40QNetworkReply* CachingNetworkAccessManager::createRequest(Operation op, const QNetworkRequest &request, QIODevice *outgoingData)
42 if (!m_isOnline) {
43 QNetworkRequest req(request);
44 req.setAttribute(QNetworkRequest::CacheLoadControlAttribute, QNetworkRequest::AlwaysCache);
45 return QNetworkAccessManager::createRequest(op, req, outgoingData);
46 }
48 return QNetworkAccessManager::createRequest(op, request, outgoingData);
51CachingNetworkManagerFactory::CachingNetworkManagerFactory()
55QNetworkAccessManager *CachingNetworkManagerFactory::create(QObject *parent) {
56 QNetworkAccessManager *manager = new CachingNetworkAccessManager(parent);
58 QNetworkDiskCache* cache = new QNetworkDiskCache(manager);
59 cache->setCacheDirectory(QString("%1/network").arg(QStandardPaths::writableLocation(QStandardPaths::CacheLocation)));
61 manager->setCache(cache);
62 return manager;