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 37 namespace blink { 38 39 class Resource; 40 class ResourceFetcher; 41 class LocalFrame; 42 class ResourceLoader; 43 class ResourceRequest; 44 class ResourceResponse; 45 46 struct FetchInitiatorInfo; 47 48 class ResourceLoaderHost : public WillBeGarbageCollectedMixin { 49 public: 50 virtual void incrementRequestCount(const Resource*) = 0; 51 virtual void decrementRequestCount(const Resource*) = 0; 52 virtual void didLoadResource(Resource*) = 0; 53 virtual void redirectReceived(Resource*, const ResourceResponse&) = 0; 54 55 virtual void didFinishLoading(const Resource*, double finishTime, int64_t encodedDataLength) = 0; 56 virtual void didChangeLoadingPriority(const Resource*, ResourceLoadPriority, int intraPriorityValue) = 0; 57 virtual void didFailLoading(const Resource*, const ResourceError&) = 0; 58 59 virtual void willSendRequest(unsigned long identifier, ResourceRequest&, const ResourceResponse& redirectResponse, const FetchInitiatorInfo&) = 0; 60 virtual void didReceiveResponse(const Resource*, const ResourceResponse&) = 0; 61 virtual void didReceiveData(const Resource*, const char* data, int dataLength, int encodedDataLength) = 0; 62 virtual void didDownloadData(const Resource*, int dataLength, int encodedDataLength) = 0; 63 64 virtual void subresourceLoaderFinishedLoadingOnePart(ResourceLoader*) = 0; 65 virtual void didInitializeResourceLoader(ResourceLoader*) = 0; 66 virtual void willTerminateResourceLoader(ResourceLoader*) = 0; 67 virtual void willStartLoadingResource(Resource*, ResourceRequest&) = 0; 68 69 virtual bool canAccessRedirect(Resource*, ResourceRequest&, const ResourceResponse&, ResourceLoaderOptions&) = 0; 70 virtual bool canAccessResource(Resource*, SecurityOrigin* sourceOrigin, const KURL&) const = 0; 71 virtual bool defersLoading() const = 0; 72 virtual bool isLoadedBy(ResourceLoaderHost*) const = 0; 73 74 virtual void trace(Visitor*) { } 75 76 #if !ENABLE(OILPAN) 77 virtual void refResourceLoaderHost() = 0; 78 virtual void derefResourceLoaderHost() = 0; 79 80 void ref() { refResourceLoaderHost(); } 81 void deref() { derefResourceLoaderHost(); } 82 #endif 83 }; 84 85 } 86 87 #endif // ResourceLoaderHost_h 88
