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1 // Copyright (c) 2009 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2009 The Chromium Authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #ifndef WEBKIT_APPCACHE_APPCACHE_INTERCEPTOR_H_ | 5 #ifndef WEBKIT_APPCACHE_APPCACHE_INTERCEPTOR_H_ |
6 #define WEBKIT_APPCACHE_APPCACHE_INTERCEPTOR_H_ | 6 #define WEBKIT_APPCACHE_APPCACHE_INTERCEPTOR_H_ |
7 | 7 |
8 #include "base/singleton.h" | 8 #include "base/singleton.h" |
9 #include "googleurl/src/gurl.h" | 9 #include "googleurl/src/gurl.h" |
10 #include "net/url_request/url_request.h" | 10 #include "net/url_request/url_request.h" |
11 #include "webkit/glue/resource_type.h" | 11 #include "webkit/glue/resource_type.h" |
12 | 12 |
13 namespace appcache { | 13 namespace appcache { |
14 | 14 |
15 class AppCacheRequestHandler; | 15 class AppCacheRequestHandler; |
16 class AppCacheService; | 16 class AppCacheService; |
17 | 17 |
18 // An interceptor to hijack requests and potentially service them out of | 18 // An interceptor to hijack requests and potentially service them out of |
19 // the appcache. | 19 // the appcache. |
20 class AppCacheInterceptor : public URLRequest::Interceptor { | 20 class AppCacheInterceptor : public net::URLRequest::Interceptor { |
21 public: | 21 public: |
22 // Registers a singleton instance with the net library. | 22 // Registers a singleton instance with the net library. |
23 // Should be called early in the IO thread prior to initiating requests. | 23 // Should be called early in the IO thread prior to initiating requests. |
24 static void EnsureRegistered() { | 24 static void EnsureRegistered() { |
25 CHECK(instance()); | 25 CHECK(instance()); |
26 } | 26 } |
27 | 27 |
28 // Must be called to make a request eligible for retrieval from an appcache. | 28 // Must be called to make a request eligible for retrieval from an appcache. |
29 static void SetExtraRequestInfo(URLRequest* request, | 29 static void SetExtraRequestInfo(net::URLRequest* request, |
30 AppCacheService* service, | 30 AppCacheService* service, |
31 int process_id, | 31 int process_id, |
32 int host_id, | 32 int host_id, |
33 ResourceType::Type resource_type); | 33 ResourceType::Type resource_type); |
34 | 34 |
35 // May be called after response headers are complete to retrieve extra | 35 // May be called after response headers are complete to retrieve extra |
36 // info about the response. | 36 // info about the response. |
37 static void GetExtraResponseInfo(URLRequest* request, | 37 static void GetExtraResponseInfo(net::URLRequest* request, |
38 int64* cache_id, | 38 int64* cache_id, |
39 GURL* manifest_url); | 39 GURL* manifest_url); |
40 | 40 |
41 protected: | 41 protected: |
42 // URLRequest::Interceptor overrides | 42 // Overridde from net::URLRequest::Interceptor: |
43 virtual net::URLRequestJob* MaybeIntercept(net::URLRequest* request); | 43 virtual net::URLRequestJob* MaybeIntercept(net::URLRequest* request); |
44 virtual net::URLRequestJob* MaybeInterceptResponse(net::URLRequest* request); | 44 virtual net::URLRequestJob* MaybeInterceptResponse(net::URLRequest* request); |
45 virtual net::URLRequestJob* MaybeInterceptRedirect(net::URLRequest* request, | 45 virtual net::URLRequestJob* MaybeInterceptRedirect(net::URLRequest* request, |
46 const GURL& location); | 46 const GURL& location); |
47 | 47 |
48 private: | 48 private: |
49 friend struct DefaultSingletonTraits<AppCacheInterceptor>; | 49 friend struct DefaultSingletonTraits<AppCacheInterceptor>; |
50 | 50 |
51 static AppCacheInterceptor* instance() { | 51 static AppCacheInterceptor* instance() { |
52 return Singleton<AppCacheInterceptor>::get(); | 52 return Singleton<AppCacheInterceptor>::get(); |
53 } | 53 } |
54 | 54 |
55 AppCacheInterceptor(); | 55 AppCacheInterceptor(); |
56 virtual ~AppCacheInterceptor(); | 56 virtual ~AppCacheInterceptor(); |
57 | 57 |
58 static void SetHandler(net::URLRequest* request, | 58 static void SetHandler(net::URLRequest* request, |
59 AppCacheRequestHandler* handler); | 59 AppCacheRequestHandler* handler); |
60 static AppCacheRequestHandler* GetHandler(net::URLRequest* request); | 60 static AppCacheRequestHandler* GetHandler(net::URLRequest* request); |
61 | 61 |
62 DISALLOW_COPY_AND_ASSIGN(AppCacheInterceptor); | 62 DISALLOW_COPY_AND_ASSIGN(AppCacheInterceptor); |
63 }; | 63 }; |
64 | 64 |
65 } // namespace appcache | 65 } // namespace appcache |
66 | 66 |
67 #endif // WEBKIT_APPCACHE_APPCACHE_INTERCEPTOR_H_ | 67 #endif // WEBKIT_APPCACHE_APPCACHE_INTERCEPTOR_H_ |
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