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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 // The intent of this file is to provide a type-neutral abstraction between | 5 // The intent of this file is to provide a type-neutral abstraction between |
6 // Chrome and WebKit for resource loading. This pure-virtual interface is | 6 // Chrome and WebKit for resource loading. This pure-virtual interface is |
7 // implemented by the embedder, which also provides a factory method Create | 7 // implemented by the embedder, which also provides a factory method Create |
8 // to instantiate this object. | 8 // to instantiate this object. |
9 // | 9 // |
10 // One of these objects will be created by WebKit for each request. WebKit | 10 // One of these objects will be created by WebKit for each request. WebKit |
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174 // been followed). |content_filtered| is set to true if the contents is | 174 // been followed). |content_filtered| is set to true if the contents is |
175 // altered or replaced (usually for security reasons when the resource is | 175 // altered or replaced (usually for security reasons when the resource is |
176 // deemed unsafe). | 176 // deemed unsafe). |
177 virtual void OnReceivedResponse(const ResponseInfo& info, | 177 virtual void OnReceivedResponse(const ResponseInfo& info, |
178 bool content_filtered) = 0; | 178 bool content_filtered) = 0; |
179 | 179 |
180 // Called when a chunk of response data is available. This method may | 180 // Called when a chunk of response data is available. This method may |
181 // be called multiple times or not at all if an error occurs. | 181 // be called multiple times or not at all if an error occurs. |
182 virtual void OnReceivedData(const char* data, int len) = 0; | 182 virtual void OnReceivedData(const char* data, int len) = 0; |
183 | 183 |
| 184 // Called when metadata generated by the renderer is retrieved from the |
| 185 // cache. This method may be called zero or one times. |
| 186 virtual void OnReceivedCachedMetadata(const char* data, int len) { } |
| 187 |
184 // Called when the response is complete. This method signals completion of | 188 // Called when the response is complete. This method signals completion of |
185 // the resource load.ff | 189 // the resource load.ff |
186 virtual void OnCompletedRequest(const URLRequestStatus& status, | 190 virtual void OnCompletedRequest(const URLRequestStatus& status, |
187 const std::string& security_info) = 0; | 191 const std::string& security_info) = 0; |
188 | 192 |
189 // Returns the URL of the request, which allows us to display it in | 193 // Returns the URL of the request, which allows us to display it in |
190 // debugging situations. | 194 // debugging situations. |
191 virtual GURL GetURLForDebugging() const = 0; | 195 virtual GURL GetURLForDebugging() const = 0; |
192 }; | 196 }; |
193 | 197 |
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251 // construction must go through Create() | 255 // construction must go through Create() |
252 ResourceLoaderBridge(); | 256 ResourceLoaderBridge(); |
253 | 257 |
254 private: | 258 private: |
255 DISALLOW_COPY_AND_ASSIGN(ResourceLoaderBridge); | 259 DISALLOW_COPY_AND_ASSIGN(ResourceLoaderBridge); |
256 }; | 260 }; |
257 | 261 |
258 } // namespace webkit_glue | 262 } // namespace webkit_glue |
259 | 263 |
260 #endif // WEBKIT_GLUE_RESOURCE_LOADER_BRIDGE_H_ | 264 #endif // WEBKIT_GLUE_RESOURCE_LOADER_BRIDGE_H_ |
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