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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+ */
17+
18+#include "CachingNetworkManagerFactory.h"
19+
20+#include <QNetworkDiskCache>
21+#include <QNetworkAccessManager>
22+#include <QStandardPaths>
23+#include <QNetworkConfigurationManager>
24+
25+CachingNetworkAccessManager::CachingNetworkAccessManager(QObject *parent)
26+ : QNetworkAccessManager(parent)
27+{
28+ m_networkManager = new QNetworkConfigurationManager(this);
29+
30+ QObject::connect(m_networkManager, &QNetworkConfigurationManager::onlineStateChanged, this, &CachingNetworkAccessManager::onlineStateChanged);
31+ m_isOnline = m_networkManager->isOnline();
32+}
33+
34+void CachingNetworkAccessManager::onlineStateChanged(bool isOnline)
35+{
36+ m_isOnline = isOnline;
37+}
38+
39+QNetworkReply* CachingNetworkAccessManager::createRequest(Operation op, const QNetworkRequest &request, QIODevice *outgoingData)
40+{
41+ if (!m_isOnline) {
42+ QNetworkRequest req(request);
43+ req.setAttribute(QNetworkRequest::CacheLoadControlAttribute, QNetworkRequest::AlwaysCache);
44+ return QNetworkAccessManager::createRequest(op, req, outgoingData);
45+ }
46+
47+ return QNetworkAccessManager::createRequest(op, request, outgoingData);
48+}
49+
50+CachingNetworkManagerFactory::CachingNetworkManagerFactory()
51+{
52+}
53+
54+QNetworkAccessManager *CachingNetworkManagerFactory::create(QObject *parent) {
55+ QNetworkAccessManager *manager = new CachingNetworkAccessManager(parent);
56+
57+ QNetworkDiskCache* cache = new QNetworkDiskCache(manager);
58+ cache->setCacheDirectory(QString("%1/network").arg(QStandardPaths::writableLocation(QStandardPaths::CacheLocation)));
59+
60+ manager->setCache(cache);
61+ return manager;
62+}