Unity 8
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 
24 CachingNetworkAccessManager::CachingNetworkAccessManager(QObject *parent)
25  : QNetworkAccessManager(parent)
26 {
27  m_networkingStatus = new ubuntu::connectivity::NetworkingStatus(this);
28 }
29 
30 QNetworkReply* CachingNetworkAccessManager::createRequest(Operation op, const QNetworkRequest &request, QIODevice *outgoingData)
31 {
32  if (m_networkingStatus->status() != ubuntu::connectivity::NetworkingStatus::Status::Online) {
33  QNetworkRequest req(request);
34  req.setAttribute(QNetworkRequest::CacheLoadControlAttribute, QNetworkRequest::AlwaysCache);
35  return QNetworkAccessManager::createRequest(op, req, outgoingData);
36  }
37 
38  return QNetworkAccessManager::createRequest(op, request, outgoingData);
39 }
40 
41 CachingNetworkManagerFactory::CachingNetworkManagerFactory()
42 {
43 }
44 
45 QNetworkAccessManager *CachingNetworkManagerFactory::create(QObject *parent) {
46  QNetworkAccessManager *manager = new CachingNetworkAccessManager(parent);
47 
48  QNetworkDiskCache* cache = new QNetworkDiskCache(manager);
49  cache->setCacheDirectory(QStringLiteral("%1/network").arg(QStandardPaths::writableLocation(QStandardPaths::CacheLocation)));
50 
51  manager->setCache(cache);
52  return manager;
53 }