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31 #ifndef WebApplicationCacheHost_h
32 #define WebApplicationCacheHost_h
34 #include "../platform/WebCommon.h"
35 #include "../platform/WebURL.h"
36 #include "../platform/WebVector.h"
40 class WebApplicationCacheHostClient;
47 // This interface is used by webkit to call out to the embedder. Webkit uses
48 // the WebFrameClient::createApplicationCacheHost method to create instances,
49 // and calls delete when the instance is no longer needed.
50 class WebApplicationCacheHost {
52 // These values must match WebCore::ApplicationCacheHost::Status values
62 // These values must match WebCore::ApplicationCacheHost::EventID values
74 virtual ~WebApplicationCacheHost() { }
76 // Called for every request made within the context.
77 virtual void willStartMainResourceRequest(WebURLRequest& r, const WebApplicationCacheHost* spawningHost) { }
78 virtual void willStartMainResourceRequest(WebURLRequest& r, const WebFrame*) { }
79 virtual void willStartSubResourceRequest(WebURLRequest&) { }
81 // One or the other selectCache methods is called after having parsed the <html> tag.
82 // The latter returns false if the current document has been identified as a "foreign"
83 // entry, in which case the frame navigation will be restarted by webkit.
84 virtual void selectCacheWithoutManifest() { }
85 virtual bool selectCacheWithManifest(const WebURL& manifestURL) { return true; }
87 // Called as the main resource is retrieved.
88 virtual void didReceiveResponseForMainResource(const WebURLResponse&) { }
89 virtual void didReceiveDataForMainResource(const char* data, int len) { }
90 virtual void didFinishLoadingMainResource(bool success) { }
92 // Called on behalf of the scriptable interface.
93 virtual Status status() { return Uncached; }
94 virtual bool startUpdate() { return false; }
95 virtual bool swapCache() { return false; }
96 virtual void abort() { }
98 // Structures and methods to support inspecting Application Caches.
100 WebURL manifestURL; // Empty if there is no associated cache.
104 CacheInfo() : creationTime(0), updateTime(0), totalSize(0) { }
106 struct ResourceInfo {
114 ResourceInfo() : size(0), isMaster(false), isManifest(false), isExplicit(false), isForeign(false), isFallback(false) { }
116 virtual void getAssociatedCacheInfo(CacheInfo*) { }
117 virtual void getResourceList(WebVector<ResourceInfo>*) { }
118 virtual void deleteAssociatedCacheGroup() { }
123 #endif // WebApplicationCacheHost_h