1/* 2 * Copyright (C) 2013 Google 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 are 6 * met: 7 * 8 * * Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * * Redistributions in binary form must reproduce the above 11 * copyright notice, this list of conditions and the following disclaimer 12 * in the documentation and/or other materials provided with the 13 * distribution. 14 * * Neither the name of Google Inc. nor the names of its 15 * contributors may be used to endorse or promote products derived from 16 * this software without specific prior written permission. 17 * 18 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 19 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 20 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 21 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 22 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 23 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 24 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 25 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 26 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 27 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 28 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 29 */ 30 31#ifndef ResourceLoaderHost_h 32#define ResourceLoaderHost_h 33 34#include "platform/network/ResourceError.h" 35#include "platform/network/ResourceLoadPriority.h" 36 37namespace WebCore { 38 39class Resource; 40class ResourceFetcher; 41class Frame; 42class ResourceLoader; 43class ResourceRequest; 44class ResourceResponse; 45 46struct FetchInitiatorInfo; 47struct ResourceLoaderOptions; 48 49class ResourceLoaderHost { 50public: 51 void ref() { refResourceLoaderHost(); } 52 void deref() { derefResourceLoaderHost(); } 53 54 virtual void incrementRequestCount(const Resource*) = 0; 55 virtual void decrementRequestCount(const Resource*) = 0; 56 virtual void didLoadResource(Resource*) = 0; 57 virtual void redirectReceived(Resource*, const ResourceResponse&) = 0; 58 59 virtual void didFinishLoading(const Resource*, double finishTime, const ResourceLoaderOptions&) = 0; 60 virtual void didChangeLoadingPriority(const Resource*, ResourceLoadPriority) = 0; 61 virtual void didFailLoading(const Resource*, const ResourceError&, const ResourceLoaderOptions&) = 0; 62 63 virtual void willSendRequest(unsigned long identifier, ResourceRequest&, const ResourceResponse& redirectResponse, const ResourceLoaderOptions&) = 0; 64 virtual void didReceiveResponse(const Resource*, const ResourceResponse&, const ResourceLoaderOptions&) = 0; 65 virtual void didReceiveData(const Resource*, const char* data, int dataLength, int encodedDataLength, const ResourceLoaderOptions&) = 0; 66 virtual void didDownloadData(const Resource*, int dataLength, int encodedDataLength, const ResourceLoaderOptions&) = 0; 67 68 virtual void subresourceLoaderFinishedLoadingOnePart(ResourceLoader*) = 0; 69 virtual void didInitializeResourceLoader(ResourceLoader*) = 0; 70 virtual void willTerminateResourceLoader(ResourceLoader*) = 0; 71 virtual void willStartLoadingResource(ResourceRequest&) = 0; 72 73 virtual bool shouldRequest(Resource*, const ResourceRequest&, const ResourceLoaderOptions&) = 0; 74 virtual bool defersLoading() const = 0; 75 virtual bool isLoadedBy(ResourceLoaderHost*) const = 0; 76 77 virtual void refResourceLoaderHost() = 0; 78 virtual void derefResourceLoaderHost() = 0; 79}; 80 81} 82 83#endif // ResourceLoaderHost_h 84