content/browser/loader/sync_resource_handler.h

   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(int request_id,
  37                                 uint64 position,
  38                                 uint64 size) OVERRIDE;
  39   virtual bool OnRequestRedirected(int request_id,
  40                                    const GURL& new_url,
  41                                    ResourceResponse* response,
  42                                    bool* defer) OVERRIDE;
  43   virtual bool OnResponseStarted(int request_id,
  44                                  ResourceResponse* response,
  45                                  bool* defer) OVERRIDE;
  46   virtual bool OnWillStart(int request_id,
  47                            const GURL& url,
  48                            bool* defer) OVERRIDE;
  49   virtual bool OnBeforeNetworkStart(int request_id,
  50                                     const GURL& url,
  51                                     bool* defer) OVERRIDE;
  52   virtual bool OnWillRead(int request_id,
  53                           scoped_refptr<net::IOBuffer>* buf,
  54                           int* buf_size,
  55                           int min_size) OVERRIDE;
  56   virtual bool OnReadCompleted(int request_id,
  57                                int bytes_read,
  58                                bool* defer) OVERRIDE;
  59   virtual void OnResponseCompleted(int request_id,
  60                                    const net::URLRequestStatus& status,
  61                                    const std::string& security_info,
  62                                    bool* defer) OVERRIDE;
  63   virtual void OnDataDownloaded(int request_id, int bytes_downloaded) OVERRIDE;
  64
  65  private:
  66   enum { kReadBufSize = 3840 };
  67
  68   scoped_refptr<net::IOBuffer> read_buffer_;
  69
  70   SyncLoadResult result_;
  71   IPC::Message* result_message_;
  72   ResourceDispatcherHostImpl* rdh_;
  73   int64 total_transfer_size_;
  74 };
  75
  76 }  // namespace content
  77
  78 #endif  // CONTENT_BROWSER_LOADER_SYNC_RESOURCE_HANDLER_H_