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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/navigation_request.h"
6 
7 #include "base/logging.h"
8 #include "content/browser/loader/resource_dispatcher_host_impl.h"
9 #include "content/common/resource_request_body.h"
10 #include "content/public/browser/browser_thread.h"
11 
12 namespace content {
13 
14 namespace {
15 
16 // The next available browser-global navigation request ID.
17 static int64 next_navigation_request_id_ = 0;
18 
OnBeginNavigation(const NavigationRequestInfo & info,scoped_refptr<ResourceRequestBody> request_body,int64 navigation_request_id,int64 frame_tree_node_id)19 void OnBeginNavigation(const NavigationRequestInfo& info,
20                        scoped_refptr<ResourceRequestBody> request_body,
21                        int64 navigation_request_id,
22                        int64 frame_tree_node_id) {
23   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO));
24   ResourceDispatcherHostImpl::Get()->StartNavigationRequest(
25       info, request_body, navigation_request_id, frame_tree_node_id);
26 }
27 
CancelNavigationRequest(int64 navigation_request_id,int64 frame_tree_node_id)28 void CancelNavigationRequest(int64 navigation_request_id,
29                              int64 frame_tree_node_id) {
30   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO));
31   ResourceDispatcherHostImpl::Get()->CancelNavigationRequest(
32       navigation_request_id, frame_tree_node_id);
33 }
34 
35 }  // namespace
36 
NavigationRequest(const NavigationRequestInfo & info,int64 frame_tree_node_id)37 NavigationRequest::NavigationRequest(const NavigationRequestInfo& info,
38                                      int64 frame_tree_node_id)
39   : navigation_request_id_(++next_navigation_request_id_),
40     info_(info),
41     frame_tree_node_id_(frame_tree_node_id) {
42 }
43 
~NavigationRequest()44 NavigationRequest::~NavigationRequest() {
45 }
46 
BeginNavigation(scoped_refptr<ResourceRequestBody> request_body)47 void NavigationRequest::BeginNavigation(
48     scoped_refptr<ResourceRequestBody> request_body) {
49   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
50   BrowserThread::PostTask(
51       BrowserThread::IO,
52       FROM_HERE,
53       base::Bind(&OnBeginNavigation,
54                  info_,
55                  request_body,
56                  navigation_request_id_,
57                  frame_tree_node_id_));
58 }
59 
CancelNavigation()60 void NavigationRequest::CancelNavigation() {
61   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
62   BrowserThread::PostTask(
63       BrowserThread::IO,
64       FROM_HERE,
65       base::Bind(&CancelNavigationRequest,
66                  navigation_request_id_, frame_tree_node_id_));
67 }
68 
69 }  // namespace content
70