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31 #ifndef ResourceLoaderHost_h
32 #define ResourceLoaderHost_h
34 #include "platform/network/ResourceError.h"
35 #include "platform/network/ResourceLoadPriority.h"
40 class ResourceFetcher;
43 class ResourceRequest;
44 class ResourceResponse;
46 struct FetchInitiatorInfo;
48 class ResourceLoaderHost {
50 void ref() { refResourceLoaderHost(); }
51 void deref() { derefResourceLoaderHost(); }
53 virtual void incrementRequestCount(const Resource*) = 0;
54 virtual void decrementRequestCount(const Resource*) = 0;
55 virtual void didLoadResource(Resource*) = 0;
56 virtual void redirectReceived(Resource*, const ResourceResponse&) = 0;
58 virtual void didFinishLoading(const Resource*, double finishTime, int64_t encodedDataLength) = 0;
59 virtual void didChangeLoadingPriority(const Resource*, ResourceLoadPriority) = 0;
60 virtual void didFailLoading(const Resource*, const ResourceError&) = 0;
62 virtual void willSendRequest(unsigned long identifier, ResourceRequest&, const ResourceResponse& redirectResponse, const FetchInitiatorInfo&) = 0;
63 virtual void didReceiveResponse(const Resource*, const ResourceResponse&) = 0;
64 virtual void didReceiveData(const Resource*, const char* data, int dataLength, int encodedDataLength) = 0;
65 virtual void didDownloadData(const Resource*, int dataLength, int encodedDataLength) = 0;
67 virtual void subresourceLoaderFinishedLoadingOnePart(ResourceLoader*) = 0;
68 virtual void didInitializeResourceLoader(ResourceLoader*) = 0;
69 virtual void willTerminateResourceLoader(ResourceLoader*) = 0;
70 virtual void willStartLoadingResource(ResourceRequest&) = 0;
72 virtual bool canAccessRedirect(Resource*, ResourceRequest&, const ResourceResponse&, ResourceLoaderOptions&) = 0;
73 virtual bool canAccessResource(Resource*, SecurityOrigin* sourceOrigin, const KURL&) const = 0;
74 virtual bool defersLoading() const = 0;
75 virtual bool isLoadedBy(ResourceLoaderHost*) const = 0;
77 virtual void refResourceLoaderHost() = 0;
78 virtual void derefResourceLoaderHost() = 0;
83 #endif // ResourceLoaderHost_h