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