content/browser/frame_host/cross_site_transferring_request.h

   1 // Copyright 2014 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_FRAME_HOST_CROSS_SITE_TRANSFERRING_REQUEST_H_
   6 #define CONTENT_BROWSER_FRAME_HOST_CROSS_SITE_TRANSFERRING_REQUEST_H_
   7
   8 #include "base/basictypes.h"
   9 #include "content/common/content_export.h"
  10 #include "content/public/browser/global_request_id.h"
  11
  12 namespace content {
  13
  14 class CrossSiteResourceHandler;
  15
  16 // A UI thread object that owns a request being transferred.  Deleting the
  17 // object without releasing the request will delete the underlying URLRequest.
  18 // This is needed to clean up the URLRequest when a cross site navigation is
  19 // cancelled.
  20 class CONTENT_EXPORT CrossSiteTransferringRequest {
  21  public:
  22   explicit CrossSiteTransferringRequest(GlobalRequestID global_request_id);
  23   ~CrossSiteTransferringRequest();
  24
  25   // Relinquishes ownership of the request, so another process can take
  26   // control of it.
  27   void ReleaseRequest();
  28
  29   GlobalRequestID request_id() const { return global_request_id_; }
  30
  31  private:
  32   // No need for a weak pointer here - nothing should have ownership of the
  33   // cross site request until after |this| is deleted, or ReleaseRequest is
  34   // called.
  35   GlobalRequestID global_request_id_;
  36
  37   DISALLOW_COPY_AND_ASSIGN(CrossSiteTransferringRequest);
  38 };
  39
  40 }  // namespace content
  41
  42 #endif  // CONTENT_BROWSER_FRAME_HOST_CROSS_SITE_TRANSFERRING_REQUEST_H_