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 FetchContext_h 32 #define FetchContext_h 33 34 #include "core/fetch/CachePolicy.h" 35 #include "core/fetch/FetchInitiatorInfo.h" 36 #include "core/fetch/Resource.h" 37 #include "platform/heap/Handle.h" 38 #include "platform/network/ResourceLoadPriority.h" 39 #include "wtf/Noncopyable.h" 40 41 namespace blink { 42 43 class Document; 44 class DocumentLoader; 45 class LocalFrame; 46 class KURL; 47 class Page; 48 class ResourceError; 49 class ResourceLoader; 50 class ResourceResponse; 51 class ResourceRequest; 52 53 enum FetchResourceType { 54 FetchMainResource, 55 FetchSubresource 56 }; 57 58 class FetchContext : public NoBaseWillBeGarbageCollectedFinalized<FetchContext> { 59 WTF_MAKE_NONCOPYABLE(FetchContext); 60 public: 61 static FetchContext& nullInstance(); 62 FetchContext()63 FetchContext() { } ~FetchContext()64 virtual ~FetchContext() { } trace(Visitor *)65 virtual void trace(Visitor*) { } 66 67 virtual void reportLocalLoadFailed(const KURL&); 68 virtual void addAdditionalRequestHeaders(Document*, ResourceRequest&, FetchResourceType); 69 virtual void setFirstPartyForCookies(ResourceRequest&); 70 virtual CachePolicy cachePolicy(Document*) const; 71 72 virtual void dispatchDidChangeResourcePriority(unsigned long identifier, ResourceLoadPriority, int intraPriorityValue); 73 virtual void dispatchWillSendRequest(DocumentLoader*, unsigned long identifier, ResourceRequest&, const ResourceResponse& redirectResponse, const FetchInitiatorInfo& = FetchInitiatorInfo()); 74 virtual void dispatchDidLoadResourceFromMemoryCache(const ResourceRequest&, const ResourceResponse&); 75 virtual void dispatchDidReceiveResponse(DocumentLoader*, unsigned long identifier, const ResourceResponse&, ResourceLoader* = 0); 76 virtual void dispatchDidReceiveData(DocumentLoader*, unsigned long identifier, const char* data, int dataLength, int encodedDataLength); 77 virtual void dispatchDidDownloadData(DocumentLoader*, unsigned long identifier, int dataLength, int encodedDataLength); 78 virtual void dispatchDidFinishLoading(DocumentLoader*, unsigned long identifier, double finishTime, int64_t encodedDataLength); 79 virtual void dispatchDidFail(DocumentLoader*, unsigned long identifier, const ResourceError&); 80 virtual void sendRemainingDelegateMessages(DocumentLoader*, unsigned long identifier, const ResourceResponse&, int dataLength); 81 }; 82 83 } 84 85 #endif 86