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1 // Copyright (c) 2011 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2011 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. |
11 | 11 |
12 #ifndef WEBKIT_GLUE_RESOURCE_FETCHER_H_ | 12 #ifndef WEBKIT_GLUE_RESOURCE_FETCHER_H_ |
13 #define WEBKIT_GLUE_RESOURCE_FETCHER_H_ | 13 #define WEBKIT_GLUE_RESOURCE_FETCHER_H_ |
14 | 14 |
15 #include <string> | 15 #include <string> |
16 | 16 |
17 #include "base/basictypes.h" | 17 #include "base/basictypes.h" |
18 #include "base/callback.h" | 18 #include "base/callback.h" |
| 19 #include "base/compiler_specific.h" |
19 #include "base/memory/scoped_ptr.h" | 20 #include "base/memory/scoped_ptr.h" |
20 #include "base/timer.h" | 21 #include "base/timer.h" |
21 #include "googleurl/src/gurl.h" | 22 #include "googleurl/src/gurl.h" |
22 #include "third_party/WebKit/Source/WebKit/chromium/public/WebURLLoaderClient.h" | 23 #include "third_party/WebKit/Source/WebKit/chromium/public/WebURLLoaderClient.h" |
23 #include "third_party/WebKit/Source/WebKit/chromium/public/WebURLRequest.h" | 24 #include "third_party/WebKit/Source/WebKit/chromium/public/WebURLRequest.h" |
24 #include "third_party/WebKit/Source/WebKit/chromium/public/WebURLResponse.h" | 25 #include "third_party/WebKit/Source/WebKit/chromium/public/WebURLResponse.h" |
| 26 #include "webkit/glue/webkit_glue_export.h" |
25 | 27 |
26 class GURL; | 28 class GURL; |
27 | 29 |
28 namespace WebKit { | 30 namespace WebKit { |
29 class WebFrame; | 31 class WebFrame; |
30 class WebURLLoader; | 32 class WebURLLoader; |
31 struct WebURLError; | 33 struct WebURLError; |
32 } | 34 } |
33 | 35 |
34 namespace webkit_glue { | 36 namespace webkit_glue { |
35 | 37 |
36 class ResourceFetcher : public WebKit::WebURLLoaderClient { | 38 class WEBKIT_GLUE_EXPORT ResourceFetcher : |
| 39 NON_EXPORTED_BASE(public WebKit::WebURLLoaderClient) { |
37 public: | 40 public: |
38 // This will be called when the URL has been fetched, successfully or not. | 41 // This will be called when the URL has been fetched, successfully or not. |
39 // If there is a failure, response and data will both be empty. |response| | 42 // If there is a failure, response and data will both be empty. |response| |
40 // and |data| are both valid until the URLFetcher instance is destroyed. | 43 // and |data| are both valid until the URLFetcher instance is destroyed. |
41 typedef base::Callback<void(const WebKit::WebURLResponse&, | 44 typedef base::Callback<void(const WebKit::WebURLResponse&, |
42 const std::string&)> Callback; | 45 const std::string&)> Callback; |
43 | 46 |
44 // We need a frame to make requests. | 47 // We need a frame to make requests. |
45 ResourceFetcher( | 48 ResourceFetcher( |
46 const GURL& url, WebKit::WebFrame* frame, | 49 const GURL& url, WebKit::WebFrame* frame, |
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100 | 103 |
101 // Buffer to hold the content from the server. | 104 // Buffer to hold the content from the server. |
102 std::string data_; | 105 std::string data_; |
103 | 106 |
104 // Buffer to hold metadata from the cache. | 107 // Buffer to hold metadata from the cache. |
105 std::string metadata_; | 108 std::string metadata_; |
106 }; | 109 }; |
107 | 110 |
108 ///////////////////////////////////////////////////////////////////////////// | 111 ///////////////////////////////////////////////////////////////////////////// |
109 // A resource fetcher with a timeout | 112 // A resource fetcher with a timeout |
110 class ResourceFetcherWithTimeout : public ResourceFetcher { | 113 class WEBKIT_GLUE_EXPORT ResourceFetcherWithTimeout : public ResourceFetcher { |
111 public: | 114 public: |
112 ResourceFetcherWithTimeout(const GURL& url, | 115 ResourceFetcherWithTimeout(const GURL& url, |
113 WebKit::WebFrame* frame, | 116 WebKit::WebFrame* frame, |
114 WebKit::WebURLRequest::TargetType target_type, | 117 WebKit::WebURLRequest::TargetType target_type, |
115 int timeout_secs, | 118 int timeout_secs, |
116 const Callback& callback); | 119 const Callback& callback); |
117 virtual ~ResourceFetcherWithTimeout(); | 120 virtual ~ResourceFetcherWithTimeout(); |
118 | 121 |
119 private: | 122 private: |
120 // Callback for timer that limits how long we wait for the alternate error | 123 // Callback for timer that limits how long we wait for the alternate error |
121 // page server. If this timer fires and the request hasn't completed, we | 124 // page server. If this timer fires and the request hasn't completed, we |
122 // kill the request. | 125 // kill the request. |
123 void TimeoutFired(); | 126 void TimeoutFired(); |
124 | 127 |
125 // Limit how long we wait for the alternate error page server. | 128 // Limit how long we wait for the alternate error page server. |
126 base::OneShotTimer<ResourceFetcherWithTimeout> timeout_timer_; | 129 base::OneShotTimer<ResourceFetcherWithTimeout> timeout_timer_; |
127 }; | 130 }; |
128 | 131 |
129 } // namespace webkit_glue | 132 } // namespace webkit_glue |
130 | 133 |
131 #endif // WEBKIT_GLUE_RESOURCE_FETCHER_H_ | 134 #endif // WEBKIT_GLUE_RESOURCE_FETCHER_H_ |
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