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 3 // found in the LICENSE file. 4 5 #ifndef CONTENT_RENDERER_FETCHERS_WEB_URL_LOADER_CLIENT_IMPL_H_ 6 #define CONTENT_RENDERER_FETCHERS_WEB_URL_LOADER_CLIENT_IMPL_H_ 7 8 #include <string> 9 10 #include "base/memory/scoped_ptr.h" 11 #include "third_party/WebKit/public/platform/WebURLLoaderClient.h" 12 #include "third_party/WebKit/public/platform/WebURLResponse.h" 13 14 namespace blink { 15 class WebURLLoader; 16 struct WebURLError; 17 } 18 19 namespace content { 20 21 class WebURLLoaderClientImpl : public blink::WebURLLoaderClient { 22 protected: 23 enum LoadStatus { 24 LOADING, 25 LOAD_FAILED, 26 LOAD_SUCCEEDED, 27 }; 28 29 WebURLLoaderClientImpl(); 30 virtual ~WebURLLoaderClientImpl(); 31 32 virtual void Cancel(); 33 34 bool completed() const { return completed_; } 35 const std::string& data() const { return data_; } 36 const blink::WebURLResponse& response() const { return response_; } 37 const std::string& metadata() const { return metadata_; } 38 LoadStatus status() const { return status_; } 39 40 virtual void OnLoadComplete() = 0; 41 42 private: 43 void OnLoadCompleteInternal(LoadStatus); 44 45 // WebWebURLLoaderClientImpl methods: 46 virtual void didReceiveResponse( 47 blink::WebURLLoader* loader, const blink::WebURLResponse& response); 48 virtual void didReceiveCachedMetadata( 49 blink::WebURLLoader* loader, const char* data, int data_length); 50 virtual void didReceiveData( 51 blink::WebURLLoader* loader, 52 const char* data, 53 int data_length, 54 int encoded_data_length); 55 virtual void didFinishLoading( 56 blink::WebURLLoader* loader, 57 double finishTime, 58 int64_t total_encoded_data_length); 59 virtual void didFail( 60 blink::WebURLLoader* loader, const blink::WebURLError& error); 61 62 private: 63 // Set to true once the request is complete. 64 bool completed_; 65 66 // Buffer to hold the content from the server. 67 std::string data_; 68 69 // A copy of the original resource response. 70 blink::WebURLResponse response_; 71 72 // Buffer to hold metadata from the cache. 73 std::string metadata_; 74 75 LoadStatus status_; 76 77 DISALLOW_COPY_AND_ASSIGN(WebURLLoaderClientImpl); 78 }; 79 80 } // namespace content 81 82 #endif // CONTENT_RENDERER_FETCHERS_URL_LOADER_CLIENT_H_ 83
