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   ~SyncResourceHandler() override;
  35
  36   bool OnRequestRedirected(const net::RedirectInfo& redirect_info,
  37                            ResourceResponse* response,
  38                            bool* defer) override;
  39   bool OnResponseStarted(ResourceResponse* response, bool* defer) override;
  40   bool OnWillStart(const GURL& url, bool* defer) override;
  41   bool OnBeforeNetworkStart(const GURL& url, bool* defer) override;
  42   bool OnWillRead(scoped_refptr<net::IOBuffer>* buf,
  43                   int* buf_size,
  44                   int min_size) override;
  45   bool OnReadCompleted(int bytes_read, bool* defer) override;
  46   void OnResponseCompleted(const net::URLRequestStatus& status,
  47                            const std::string& security_info,
  48                            bool* defer) override;
  49   void OnDataDownloaded(int bytes_downloaded) override;
  50
  51  private:
  52   enum { kReadBufSize = 3840 };
  53
  54   scoped_refptr<net::IOBuffer> read_buffer_;
  55
  56   SyncLoadResult result_;
  57   IPC::Message* result_message_;
  58   ResourceDispatcherHostImpl* rdh_;
  59   int64 total_transfer_size_;
  60 };
  61
  62 }  // namespace content
  63
  64 #endif  // CONTENT_BROWSER_LOADER_SYNC_RESOURCE_HANDLER_H_