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| 1 // Copyright (c) 2010 The Chromium Authors. All rights reserved. | 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 | 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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| 301 // Called when a chunk of response data is available. This method may | 301 // Called when a chunk of response data is available. This method may |
| 302 // be called multiple times or not at all if an error occurs. | 302 // be called multiple times or not at all if an error occurs. |
| 303 virtual void OnReceivedData(const char* data, int len) = 0; | 303 virtual void OnReceivedData(const char* data, int len) = 0; |
| 304 | 304 |
| 305 // Called when metadata generated by the renderer is retrieved from the | 305 // Called when metadata generated by the renderer is retrieved from the |
| 306 // cache. This method may be called zero or one times. | 306 // cache. This method may be called zero or one times. |
| 307 virtual void OnReceivedCachedMetadata(const char* data, int len) { } | 307 virtual void OnReceivedCachedMetadata(const char* data, int len) { } |
| 308 | 308 |
| 309 // Called when the response is complete. This method signals completion of | 309 // Called when the response is complete. This method signals completion of |
| 310 // the resource load.ff | 310 // the resource load.ff |
| 311 virtual void OnCompletedRequest(const URLRequestStatus& status, | 311 virtual void OnCompletedRequest(const net::URLRequestStatus& status, |
| 312 const std::string& security_info, | 312 const std::string& security_info, |
| 313 const base::Time& completion_time) = 0; | 313 const base::Time& completion_time) = 0; |
| 314 }; | 314 }; |
| 315 | 315 |
| 316 // use Create() for construction, but anybody can delete at any time, | 316 // use Create() for construction, but anybody can delete at any time, |
| 317 // INCLUDING during processing of callbacks. | 317 // INCLUDING during processing of callbacks. |
| 318 virtual ~ResourceLoaderBridge(); | 318 virtual ~ResourceLoaderBridge(); |
| 319 | 319 |
| 320 // Call this method to make a new instance. | 320 // Call this method to make a new instance. |
| 321 // | 321 // |
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| 377 // construction must go through Create() | 377 // construction must go through Create() |
| 378 ResourceLoaderBridge(); | 378 ResourceLoaderBridge(); |
| 379 | 379 |
| 380 private: | 380 private: |
| 381 DISALLOW_COPY_AND_ASSIGN(ResourceLoaderBridge); | 381 DISALLOW_COPY_AND_ASSIGN(ResourceLoaderBridge); |
| 382 }; | 382 }; |
| 383 | 383 |
| 384 } // namespace webkit_glue | 384 } // namespace webkit_glue |
| 385 | 385 |
| 386 #endif // WEBKIT_GLUE_RESOURCE_LOADER_BRIDGE_H_ | 386 #endif // WEBKIT_GLUE_RESOURCE_LOADER_BRIDGE_H_ |
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