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1 // Copyright (c) 2006-2008 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2006-2008 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 // A wrapper around ResourceHandle and ResourceHandleClient that simplifies | 5 // A wrapper around ResourceHandle and ResourceHandleClient that simplifies |
6 // the download of an HTTP object. The interface is modeled after URLFetcher | 6 // the download of an HTTP object. The interface is modeled after URLFetcher |
7 // in the /chrome/browser. | 7 // in the /chrome/browser. |
8 // | 8 // |
9 // ResourceFetcher::Delegate::OnURLFetchComplete will be called async after | 9 // ResourceFetcher::Delegate::OnURLFetchComplete will be called async after |
10 // the ResourceFetcher object is created. | 10 // the ResourceFetcher object is created. |
(...skipping 43 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
54 protected: | 54 protected: |
55 // WebURLLoaderClient methods: | 55 // WebURLLoaderClient methods: |
56 virtual void willSendRequest( | 56 virtual void willSendRequest( |
57 WebKit::WebURLLoader* loader, WebKit::WebURLRequest& new_request, | 57 WebKit::WebURLLoader* loader, WebKit::WebURLRequest& new_request, |
58 const WebKit::WebURLResponse& redirect_response); | 58 const WebKit::WebURLResponse& redirect_response); |
59 virtual void didSendData( | 59 virtual void didSendData( |
60 WebKit::WebURLLoader* loader, unsigned long long bytes_sent, | 60 WebKit::WebURLLoader* loader, unsigned long long bytes_sent, |
61 unsigned long long total_bytes_to_be_sent); | 61 unsigned long long total_bytes_to_be_sent); |
62 virtual void didReceiveResponse( | 62 virtual void didReceiveResponse( |
63 WebKit::WebURLLoader* loader, const WebKit::WebURLResponse& response); | 63 WebKit::WebURLLoader* loader, const WebKit::WebURLResponse& response); |
| 64 virtual void didReceiveCachedMetadata( |
| 65 WebKit::WebURLLoader* loader, const char* data, int data_length); |
64 virtual void didReceiveData( | 66 virtual void didReceiveData( |
65 WebKit::WebURLLoader* loader, const char* data, int data_length); | 67 WebKit::WebURLLoader* loader, const char* data, int data_length); |
66 virtual void didFinishLoading(WebKit::WebURLLoader* loader); | 68 virtual void didFinishLoading(WebKit::WebURLLoader* loader); |
67 virtual void didFail( | 69 virtual void didFail( |
68 WebKit::WebURLLoader* loader, const WebKit::WebURLError& error); | 70 WebKit::WebURLLoader* loader, const WebKit::WebURLError& error); |
69 | 71 |
70 scoped_ptr<WebKit::WebURLLoader> loader_; | 72 scoped_ptr<WebKit::WebURLLoader> loader_; |
71 | 73 |
72 // URL we're fetching | 74 // URL we're fetching |
73 GURL url_; | 75 GURL url_; |
74 | 76 |
75 // Callback when we're done | 77 // Callback when we're done |
76 scoped_ptr<Callback> callback_; | 78 scoped_ptr<Callback> callback_; |
77 | 79 |
78 // A copy of the original resource response | 80 // A copy of the original resource response |
79 WebKit::WebURLResponse response_; | 81 WebKit::WebURLResponse response_; |
80 | 82 |
81 // Set to true once the request is compelte. | 83 // Set to true once the request is compelte. |
82 bool completed_; | 84 bool completed_; |
83 | 85 |
84 private: | 86 private: |
85 // Start the actual download. | 87 // Start the actual download. |
86 void Start(WebKit::WebFrame* frame); | 88 void Start(WebKit::WebFrame* frame); |
87 | 89 |
88 // Buffer to hold the content from the server. | 90 // Buffer to hold the content from the server. |
89 std::string data_; | 91 std::string data_; |
| 92 |
| 93 // Buffer to hold metadata from the cache. |
| 94 std::string metadata_; |
90 }; | 95 }; |
91 | 96 |
92 ///////////////////////////////////////////////////////////////////////////// | 97 ///////////////////////////////////////////////////////////////////////////// |
93 // A resource fetcher with a timeout | 98 // A resource fetcher with a timeout |
94 class ResourceFetcherWithTimeout : public ResourceFetcher { | 99 class ResourceFetcherWithTimeout : public ResourceFetcher { |
95 public: | 100 public: |
96 ResourceFetcherWithTimeout(const GURL& url, WebKit::WebFrame* frame, | 101 ResourceFetcherWithTimeout(const GURL& url, WebKit::WebFrame* frame, |
97 int timeout_secs, Callback* c); | 102 int timeout_secs, Callback* c); |
98 virtual ~ResourceFetcherWithTimeout() {} | 103 virtual ~ResourceFetcherWithTimeout() {} |
99 | 104 |
100 private: | 105 private: |
101 // Callback for timer that limits how long we wait for the alternate error | 106 // Callback for timer that limits how long we wait for the alternate error |
102 // page server. If this timer fires and the request hasn't completed, we | 107 // page server. If this timer fires and the request hasn't completed, we |
103 // kill the request. | 108 // kill the request. |
104 void TimeoutFired(); | 109 void TimeoutFired(); |
105 | 110 |
106 // Limit how long we wait for the alternate error page server. | 111 // Limit how long we wait for the alternate error page server. |
107 base::OneShotTimer<ResourceFetcherWithTimeout> timeout_timer_; | 112 base::OneShotTimer<ResourceFetcherWithTimeout> timeout_timer_; |
108 }; | 113 }; |
109 | 114 |
110 } // namespace webkit_glue | 115 } // namespace webkit_glue |
111 | 116 |
112 #endif // WEBKIT_GLUE_RESOURCE_FETCHER_H_ | 117 #endif // WEBKIT_GLUE_RESOURCE_FETCHER_H_ |
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