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1 // Copyright (c) 2010 The Chromium Authors. All rights reserved. | |
2 // Use of this source code is governed by a BSD-style license that can be | |
3 // found in the LICENSE file. | |
4 | |
5 #ifndef CHROME_BROWSER_NET_PRERENDER_INTERCEPTOR_H_ | |
6 #define CHROME_BROWSER_NET_PRERENDER_INTERCEPTOR_H_ | |
7 | |
8 #include "base/basictypes.h" | |
9 #include "base/callback.h" | |
10 #include "base/scoped_ptr.h" | |
11 #include "base/task.h" | |
12 #include "net/url_request/url_request.h" | |
13 | |
14 class GURL; | |
15 | |
16 namespace chrome_browser_net { | |
17 | |
18 // The PrerenderInterceptor watches prefetch requests, and when | |
19 // they are for type text/html, notifies the prerendering | |
20 // system about the fetch so it may consider the URL. | |
21 class PrerenderInterceptor : public net::URLRequest::Interceptor { | |
22 public: | |
23 PrerenderInterceptor(); | |
24 virtual ~PrerenderInterceptor(); | |
25 | |
26 // net::URLRequest::Interceptor overrides. We only care about | |
27 // MaybeInterceptResponse, but must capture MaybeIntercept since | |
28 // it is pure virtual. | |
29 virtual net::URLRequestJob* MaybeIntercept(net::URLRequest* request); | |
30 virtual net::URLRequestJob* MaybeInterceptResponse(net::URLRequest* request); | |
31 | |
32 private: | |
33 friend class PrerenderInterceptorTest; | |
34 | |
35 typedef Callback1<const GURL&>::Type PrerenderInterceptorCallback; | |
36 | |
37 // This constructor is provided for the unit test only, to provide | |
38 // an an alternative dispatch target for the test only. The callback | |
39 // parameter is owned and deleted by this object. | |
40 explicit PrerenderInterceptor(PrerenderInterceptorCallback* callback); | |
41 | |
42 void RunCallbackFromUIThread(const GURL& url); | |
43 void PrerenderDispatch(const GURL& url); | |
44 | |
45 scoped_ptr<PrerenderInterceptorCallback> callback_; | |
46 | |
47 DISALLOW_COPY_AND_ASSIGN(PrerenderInterceptor); | |
48 }; | |
49 | |
50 } // namespace chrome_browser_net | |
51 | |
52 #endif // CHROME_BROWSER_NET_PRERENDER_INTERCEPTOR_H_ | |
53 | |
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