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      1 // Copyright (c) 2012 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_BROWSER_LOADER_SYNC_RESOURCE_HANDLER_H_
      6 #define CONTENT_BROWSER_LOADER_SYNC_RESOURCE_HANDLER_H_
      7 
      8 #include <string>
      9 
     10 #include "content/browser/loader/resource_handler.h"
     11 #include "content/public/common/resource_response.h"
     12 
     13 namespace IPC {
     14 class Message;
     15 }
     16 
     17 namespace net {
     18 class IOBuffer;
     19 class URLRequest;
     20 }
     21 
     22 namespace content {
     23 class ResourceContext;
     24 class ResourceDispatcherHostImpl;
     25 class ResourceMessageFilter;
     26 
     27 // Used to complete a synchronous resource request in response to resource load
     28 // events from the resource dispatcher host.
     29 class SyncResourceHandler : public ResourceHandler {
     30  public:
     31   SyncResourceHandler(net::URLRequest* request,
     32                       IPC::Message* result_message,
     33                       ResourceDispatcherHostImpl* resource_dispatcher_host);
     34   virtual ~SyncResourceHandler();
     35 
     36   virtual bool OnUploadProgress(uint64 position, uint64 size) OVERRIDE;
     37   virtual bool OnRequestRedirected(const net::RedirectInfo& redirect_info,
     38                                    ResourceResponse* response,
     39                                    bool* defer) OVERRIDE;
     40   virtual bool OnResponseStarted(ResourceResponse* response,
     41                                  bool* defer) OVERRIDE;
     42   virtual bool OnWillStart(const GURL& url, bool* defer) OVERRIDE;
     43   virtual bool OnBeforeNetworkStart(const GURL& url, bool* defer) OVERRIDE;
     44   virtual bool OnWillRead(scoped_refptr<net::IOBuffer>* buf,
     45                           int* buf_size,
     46                           int min_size) OVERRIDE;
     47   virtual bool OnReadCompleted(int bytes_read, bool* defer) OVERRIDE;
     48   virtual void OnResponseCompleted(const net::URLRequestStatus& status,
     49                                    const std::string& security_info,
     50                                    bool* defer) OVERRIDE;
     51   virtual void OnDataDownloaded(int bytes_downloaded) OVERRIDE;
     52 
     53  private:
     54   enum { kReadBufSize = 3840 };
     55 
     56   scoped_refptr<net::IOBuffer> read_buffer_;
     57 
     58   SyncLoadResult result_;
     59   IPC::Message* result_message_;
     60   ResourceDispatcherHostImpl* rdh_;
     61   int64 total_transfer_size_;
     62 };
     63 
     64 }  // namespace content
     65 
     66 #endif  // CONTENT_BROWSER_LOADER_SYNC_RESOURCE_HANDLER_H_
     67