1/* 2 * Copyright (C) 2012 Apple Inc. 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#ifndef WebResourceLoadScheduler_h 27#define WebResourceLoadScheduler_h 28 29#include "WebResourceLoader.h" 30#include <WebCore/ResourceLoadPriority.h> 31#include <WebCore/ResourceLoadScheduler.h> 32#include <WebCore/ResourceLoader.h> 33#include <wtf/RunLoop.h> 34 35#if ENABLE(NETWORK_PROCESS) 36 37namespace WebKit { 38 39class NetworkProcessConnection; 40typedef uint64_t ResourceLoadIdentifier; 41 42class WebResourceLoadScheduler : public WebCore::ResourceLoadScheduler { 43 WTF_MAKE_NONCOPYABLE(WebResourceLoadScheduler); WTF_MAKE_FAST_ALLOCATED; 44public: 45 WebResourceLoadScheduler(); 46 virtual ~WebResourceLoadScheduler(); 47 48 virtual PassRefPtr<WebCore::SubresourceLoader> scheduleSubresourceLoad(WebCore::Frame*, WebCore::CachedResource*, const WebCore::ResourceRequest&, WebCore::ResourceLoadPriority, const WebCore::ResourceLoaderOptions&) override; 49 virtual PassRefPtr<WebCore::NetscapePlugInStreamLoader> schedulePluginStreamLoad(WebCore::Frame*, WebCore::NetscapePlugInStreamLoaderClient*, const WebCore::ResourceRequest&) override; 50 51 virtual void remove(WebCore::ResourceLoader*) override; 52 virtual void setDefersLoading(WebCore::ResourceLoader*, bool) override; 53 virtual void crossOriginRedirectReceived(WebCore::ResourceLoader*, const WebCore::URL& redirectURL) override; 54 55 virtual void servePendingRequests(WebCore::ResourceLoadPriority minimumPriority = WebCore::ResourceLoadPriorityVeryLow) override; 56 57 virtual void suspendPendingRequests() override; 58 virtual void resumePendingRequests() override; 59 60 virtual void setSerialLoadingEnabled(bool) override; 61 62 WebResourceLoader* webResourceLoaderForIdentifier(ResourceLoadIdentifier identifier) const { return m_webResourceLoaders.get(identifier); } 63 64 void networkProcessCrashed(); 65 66private: 67 void scheduleLoad(WebCore::ResourceLoader*, WebCore::CachedResource*, WebCore::ResourceLoadPriority, bool shouldClearReferrerOnHTTPSToHTTPRedirect); 68 void scheduleInternallyFailedLoad(WebCore::ResourceLoader*); 69 void internallyFailedLoadTimerFired(); 70 71 HashSet<RefPtr<WebCore::ResourceLoader>> m_internallyFailedResourceLoaders; 72 RunLoop::Timer<WebResourceLoadScheduler> m_internallyFailedLoadTimer; 73 74 HashMap<unsigned long, RefPtr<WebResourceLoader>> m_webResourceLoaders; 75 76 unsigned m_suspendPendingRequestsCount; 77 78}; 79 80} // namespace WebKit 81 82#endif // ENABLE(NETWORK_PROCESS) 83 84#endif // WebResourceLoadScheduler_h 85