content/browser/frame_host/cross_site_transferring_request.cc

   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 #include "content/browser/frame_host/cross_site_transferring_request.h"
   6
   7 #include "base/logging.h"
   8 #include "content/browser/loader/cross_site_resource_handler.h"
   9 #include "content/browser/loader/resource_dispatcher_host_impl.h"
  10 #include "content/public/browser/browser_thread.h"
  11
  12 namespace content {
  13
  14 namespace {
  15
  16 void CancelRequestOnIOThread(GlobalRequestID global_request_id) {
  17   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO));
  18
  19   ResourceDispatcherHostImpl::Get()->CancelTransferringNavigation(
  20       global_request_id);
  21 }
  22
  23 }  // namespace
  24
  25 CrossSiteTransferringRequest::CrossSiteTransferringRequest(
  26     GlobalRequestID global_request_id)
  27     : global_request_id_(global_request_id) {
  28   DCHECK(global_request_id_ != GlobalRequestID());
  29 }
  30
  31 CrossSiteTransferringRequest::~CrossSiteTransferringRequest() {
  32   if (global_request_id_ == GlobalRequestID())
  33     return;
  34   BrowserThread::PostTask(
  35       BrowserThread::IO,
  36       FROM_HERE,
  37       base::Bind(&CancelRequestOnIOThread, global_request_id_));
  38 }
  39
  40 void CrossSiteTransferringRequest::ReleaseRequest() {
  41   DCHECK_NE(-1, global_request_id_.child_id);
  42   DCHECK_NE(-1, global_request_id_.request_id);
  43   global_request_id_ = GlobalRequestID();
  44 }
  45
  46 }  // namespace content