1/*
2 * Copyright (C) 2012 Intel Corporation. All rights reserved.
3 *
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions
6 * are met:
7 * 1. Redistributions of source code must retain the above copyright
8 *    notice, this list of conditions and the following disclaimer.
9 * 2. Redistributions in binary form must reproduce the above copyright
10 *    notice, this list of conditions and the following disclaimer in the
11 *    documentation and/or other materials provided with the distribution.
12 *
13 * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
14 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
15 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
16 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
17 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
18 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
19 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
20 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
21 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
22 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
23 * THE POSSIBILITY OF SUCH DAMAGE.
24 */
25
26#include "config.h"
27#include "WebNetworkInfoManager.h"
28
29#if ENABLE(NETWORK_INFO)
30
31#include "WebNetworkInfoManagerMessages.h"
32#include "WebNetworkInfoManagerProxyMessages.h"
33#include "WebPage.h"
34#include "WebProcess.h"
35#include <WebCore/NetworkInfo.h>
36#include <WebCore/NetworkInfoController.h>
37#include <limits.h>
38
39using namespace WebCore;
40
41namespace WebKit {
42
43const char* WebNetworkInfoManager::supplementName()
44{
45    return "WebNetworkInfoManager";
46}
47
48WebNetworkInfoManager::WebNetworkInfoManager(WebProcess* process)
49    : m_process(process)
50{
51    m_process->addMessageReceiver(Messages::WebNetworkInfoManager::messageReceiverName(), this);
52}
53
54WebNetworkInfoManager::~WebNetworkInfoManager()
55{
56}
57
58void WebNetworkInfoManager::registerWebPage(WebPage* page)
59{
60    bool wasEmpty = m_pageSet.isEmpty();
61
62    m_pageSet.add(page);
63
64    if (wasEmpty)
65        m_process->parentProcessConnection()->send(Messages::WebNetworkInfoManagerProxy::StartUpdating(), 0);
66}
67
68void WebNetworkInfoManager::unregisterWebPage(WebPage* page)
69{
70    m_pageSet.remove(page);
71
72    if (m_pageSet.isEmpty())
73        m_process->parentProcessConnection()->send(Messages::WebNetworkInfoManagerProxy::StopUpdating(), 0);
74}
75
76double WebNetworkInfoManager::bandwidth(WebPage* page) const
77{
78    // The spec indicates that we should return "infinity" if the bandwidth is unknown.
79    double bandwidth = std::numeric_limits<double>::infinity();
80    m_process->parentProcessConnection()->sendSync(Messages::WebNetworkInfoManagerProxy::GetBandwidth(), Messages::WebNetworkInfoManagerProxy::GetBandwidth::Reply(bandwidth), page->pageID());
81    return bandwidth;
82}
83
84bool WebNetworkInfoManager::metered(WebPage* page) const
85{
86    bool metered = false;
87    m_process->parentProcessConnection()->sendSync(Messages::WebNetworkInfoManagerProxy::IsMetered(), Messages::WebNetworkInfoManagerProxy::IsMetered::Reply(metered), page->pageID());
88    return metered;
89}
90
91void WebNetworkInfoManager::didChangeNetworkInformation(const AtomicString& eventType, const WebNetworkInfo::Data& data)
92{
93    RefPtr<NetworkInfo> networkInformation = NetworkInfo::create(data.bandwidth, data.metered);
94
95    HashSet<WebPage*>::const_iterator it = m_pageSet.begin();
96    HashSet<WebPage*>::const_iterator end = m_pageSet.end();
97    for (; it != end; ++it) {
98        WebPage* page = *it;
99        if (page->corePage())
100            NetworkInfoController::from(page->corePage())->didChangeNetworkInformation(eventType, networkInformation.get());
101    }
102}
103
104} // namespace WebKit
105
106#endif // ENABLE(NETWORK_INFO)
107