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35 #include "core/fetch/ResourceLoaderOptions.h"
36 #include "core/page/PageLifecycleObserver.h"
37 #include "platform/Timer.h"
38 #include "public/platform/WebURLLoaderClient.h"
39 #include "wtf/Noncopyable.h"
40 #include "wtf/RefPtr.h"
47 class ResourceRequest;
49 // Issue an asynchronous, one-directional request at some resources, ignoring
50 // any response. The request is made independent of any LocalFrame staying alive,
51 // and must only stay alive until the transmission has completed successfully
52 // (or not -- errors are not propagated back either.) Upon transmission, the
53 // the load is cancelled and the loader cancels itself.
55 // The ping loader is used by audit pings, beacon transmissions and image loads
56 // during page unloading.
58 class PingLoader : public PageLifecycleObserver, private blink::WebURLLoaderClient {
59 WTF_MAKE_NONCOPYABLE(PingLoader);
60 WTF_MAKE_FAST_ALLOCATED;
62 virtual ~PingLoader();
64 enum ViolationReportType {
65 ContentSecurityPolicyViolationReport,
66 XSSAuditorViolationReport
69 static void loadImage(LocalFrame*, const KURL& url);
70 static void sendLinkAuditPing(LocalFrame*, const KURL& pingURL, const KURL& destinationURL);
71 static void sendViolationReport(LocalFrame*, const KURL& reportURL, PassRefPtr<FormData> report, ViolationReportType);
74 PingLoader(LocalFrame*, ResourceRequest&, const FetchInitiatorInfo&, StoredCredentials);
76 static void start(LocalFrame*, ResourceRequest&, const FetchInitiatorInfo&, StoredCredentials = AllowStoredCredentials);
79 virtual void didReceiveResponse(blink::WebURLLoader*, const blink::WebURLResponse&) OVERRIDE;
80 virtual void didReceiveData(blink::WebURLLoader*, const char*, int, int) OVERRIDE;
81 virtual void didFinishLoading(blink::WebURLLoader*, double, int64_t) OVERRIDE;
82 virtual void didFail(blink::WebURLLoader*, const blink::WebURLError&) OVERRIDE;
84 void timeout(Timer<PingLoader>*);
86 OwnPtr<blink::WebURLLoader> m_loader;
87 Timer<PingLoader> m_timeout;
89 unsigned long m_identifier;
94 #endif // PingLoader_h