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