content/public/common/resource_response.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 // See http://dev.chromium.org/developers/design-documents/multi-process-resource-loading
   6
   7 #ifndef CONTENT_PUBLIC_COMMON_RESOURCE_RESPONSE_H_
   8 #define CONTENT_PUBLIC_COMMON_RESOURCE_RESPONSE_H_
   9
  10 #include <string>
  11
  12 #include "base/compiler_specific.h"
  13 #include "base/memory/ref_counted.h"
  14 #include "content/common/content_export.h"
  15 #include "content/public/common/resource_response_info.h"
  16 #include "net/url_request/url_request_status.h"
  17 #include "url/gurl.h"
  18
  19 namespace content {
  20
  21 // Parameters for a resource response header.
  22 struct ResourceResponseHead : ResourceResponseInfo {
  23   // TimeTicks::Now() when the browser received the request from the renderer.
  24   base::TimeTicks request_start;
  25   // TimeTicks::Now() when the browser sent the response to the renderer.
  26   base::TimeTicks response_start;
  27 };
  28
  29 // Parameters for a synchronous resource response.
  30 struct SyncLoadResult : ResourceResponseHead {
  31   // The response error_code.
  32   int error_code;
  33   // The final URL after any redirects.
  34   GURL final_url;
  35
  36   // The response data.
  37   std::string data;
  38 };
  39
  40 // Simple wrapper that refcounts ResourceResponseHead.
  41 // Inherited, rather than typedef'd, to allow forward declarations.
  42 struct CONTENT_EXPORT ResourceResponse
  43     : public base::RefCountedThreadSafe<ResourceResponse> {
  44  public:
  45   ResourceResponseHead head;
  46
  47   // Performs a deep copy of the ResourceResponse and all fields in it, safe to
  48   // pass across threads.
  49   //
  50   // TODO(davidben): This structure should be passed along in a scoped_ptr. It's
  51   // currently reference-counted to avoid copies, but may be
  52   // modified. https://crbug.com/416050
  53   scoped_refptr<ResourceResponse> DeepCopy() const;
  54
  55  private:
  56   friend class base::RefCountedThreadSafe<ResourceResponse>;
  57   ~ResourceResponse() {}
  58 };
  59
  60 }  // namespace content
  61
  62 #endif  // CONTENT_PUBLIC_COMMON_RESOURCE_RESPONSE_H_