| // Copyright (c) 2011 The Chromium Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #ifndef CONTENT_RENDERER_FETCHERS_RESOURCE_FETCHER_H_ |
| #define CONTENT_RENDERER_FETCHERS_RESOURCE_FETCHER_H_ |
| |
| #include <string> |
| |
| #include "base/basictypes.h" |
| #include "base/callback.h" |
| #include "base/compiler_specific.h" |
| #include "base/memory/scoped_ptr.h" |
| #include "base/timer/timer.h" |
| #include "content/public/renderer/resource_fetcher.h" |
| #include "third_party/WebKit/public/platform/WebURLLoaderClient.h" |
| #include "third_party/WebKit/public/platform/WebURLRequest.h" |
| #include "third_party/WebKit/public/platform/WebURLResponse.h" |
| |
| class GURL; |
| |
| namespace blink { |
| class WebFrame; |
| class WebURLLoader; |
| struct WebURLError; |
| } |
| |
| namespace content { |
| |
| class ResourceFetcherImpl : public ResourceFetcher, |
| public blink::WebURLLoaderClient { |
| public: |
| // ResourceFetcher implementation: |
| virtual void SetMethod(const std::string& method) OVERRIDE; |
| virtual void SetBody(const std::string& body) OVERRIDE; |
| virtual void SetHeader(const std::string& header, |
| const std::string& value) OVERRIDE; |
| virtual void Start(blink::WebFrame* frame, |
| blink::WebURLRequest::TargetType target_type, |
| const Callback& callback) OVERRIDE; |
| virtual void SetTimeout(const base::TimeDelta& timeout) OVERRIDE; |
| |
| private: |
| friend class ResourceFetcher; |
| |
| explicit ResourceFetcherImpl(const GURL& url); |
| |
| virtual ~ResourceFetcherImpl(); |
| |
| void RunCallback(const blink::WebURLResponse& response, |
| const std::string& data); |
| |
| // Callback for timer that limits how long we wait for the server. If this |
| // timer fires and the request hasn't completed, we kill the request. |
| void TimeoutFired(); |
| |
| // WebURLLoaderClient methods: |
| virtual void willSendRequest( |
| blink::WebURLLoader* loader, blink::WebURLRequest& new_request, |
| const blink::WebURLResponse& redirect_response); |
| virtual void didSendData( |
| blink::WebURLLoader* loader, unsigned long long bytes_sent, |
| unsigned long long total_bytes_to_be_sent); |
| virtual void didReceiveResponse( |
| blink::WebURLLoader* loader, const blink::WebURLResponse& response); |
| virtual void didReceiveCachedMetadata( |
| blink::WebURLLoader* loader, const char* data, int data_length); |
| |
| virtual void didReceiveData( |
| blink::WebURLLoader* loader, const char* data, int data_length, |
| int encoded_data_length); |
| virtual void didFinishLoading( |
| blink::WebURLLoader* loader, double finishTime, |
| int64_t total_encoded_data_length); |
| virtual void didFail( |
| blink::WebURLLoader* loader, const blink::WebURLError& error); |
| |
| scoped_ptr<blink::WebURLLoader> loader_; |
| |
| // Request to send. Released once Start() is called. |
| blink::WebURLRequest request_; |
| |
| // Set to true once the request is complete. |
| bool completed_; |
| |
| // Buffer to hold the content from the server. |
| std::string data_; |
| |
| // A copy of the original resource response. |
| blink::WebURLResponse response_; |
| |
| // Callback when we're done. |
| Callback callback_; |
| |
| // Buffer to hold metadata from the cache. |
| std::string metadata_; |
| |
| // Limit how long to wait for the server. |
| base::OneShotTimer<ResourceFetcherImpl> timeout_timer_; |
| |
| DISALLOW_COPY_AND_ASSIGN(ResourceFetcherImpl); |
| }; |
| |
| } // namespace content |
| |
| #endif // CONTENT_RENDERER_FETCHERS_RESOURCE_FETCHER_H_ |