navigator_impl.h revision a1401311d1ab56c4ed0a474bd38c108f75cb0cd9 
1// Copyright 2013 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_NAVIGATOR_IMPL_H_
6#define CONTENT_BROWSER_FRAME_HOST_NAVIGATOR_IMPL_H_
7
8#include "base/memory/ref_counted.h"
9#include "content/browser/frame_host/navigation_controller_impl.h"
10#include "content/browser/frame_host/navigator.h"
11#include "content/common/content_export.h"
12
13namespace content {
14
15class NavigationControllerImpl;
16class NavigatorDelegate;
17struct LoadCommittedDetails;
18
19// This class is an implementation of Navigator, responsible for managing
20// navigations in regular browser tabs.
21class CONTENT_EXPORT NavigatorImpl : public Navigator {
22 public:
23  NavigatorImpl(NavigationControllerImpl* navigation_controller,
24                NavigatorDelegate* delegate);
25
26  // Navigator implementation.
27  virtual void DidStartProvisionalLoad(RenderFrameHostImpl* render_frame_host,
28                                       int parent_routing_id,
29                                       bool main_frame,
30                                       const GURL& url) OVERRIDE;
31  virtual void DidFailProvisionalLoadWithError(
32      RenderFrameHostImpl* render_frame_host,
33      const FrameHostMsg_DidFailProvisionalLoadWithError_Params& params)
34      OVERRIDE;
35  virtual void DidFailLoadWithError(
36      RenderFrameHostImpl* render_frame_host,
37      const GURL& url,
38      bool is_main_frame,
39      int error_code,
40      const base::string16& error_description) OVERRIDE;
41  virtual void DidRedirectProvisionalLoad(
42      RenderFrameHostImpl* render_frame_host,
43      int32 page_id,
44      const GURL& source_url,
45      const GURL& target_url) OVERRIDE;
46  virtual void DidNavigate(
47      RenderFrameHostImpl* render_frame_host,
48      const FrameHostMsg_DidCommitProvisionalLoad_Params&
49          input_params) OVERRIDE;
50  virtual bool NavigateToPendingEntry(
51      RenderFrameHostImpl* render_frame_host,
52      NavigationController::ReloadType reload_type) OVERRIDE;
53  virtual base::TimeTicks GetCurrentLoadStart() OVERRIDE;
54  virtual void RequestOpenURL(RenderFrameHostImpl* render_frame_host,
55                              const GURL& url,
56                              const Referrer& referrer,
57                              WindowOpenDisposition disposition,
58                              bool should_replace_current_entry,
59                              bool user_gesture) OVERRIDE;
60  virtual void RequestTransferURL(
61      RenderFrameHostImpl* render_frame_host,
62      const GURL& url,
63      const std::vector<GURL>& redirect_chain,
64      const Referrer& referrer,
65      PageTransition page_transition,
66      WindowOpenDisposition disposition,
67      const GlobalRequestID& transferred_global_request_id,
68      bool should_replace_current_entry,
69      bool user_gesture) OVERRIDE;
70
71 private:
72  virtual ~NavigatorImpl() {}
73
74  // Navigates to the given entry, which must be the pending entry.  Private
75  // because all callers should use NavigateToPendingEntry.
76  bool NavigateToEntry(
77      RenderFrameHostImpl* render_frame_host,
78      const NavigationEntryImpl& entry,
79      NavigationController::ReloadType reload_type);
80
81  bool ShouldAssignSiteForURL(const GURL& url);
82
83  // The NavigationController that will keep track of session history for all
84  // RenderFrameHost objects using this NavigatorImpl.
85  // TODO(nasko): Move ownership of the NavigationController from
86  // WebContentsImpl to this class.
87  NavigationControllerImpl* controller_;
88
89  // Used to notify the object embedding this Navigator about navigation
90  // events. Can be NULL in tests.
91  NavigatorDelegate* delegate_;
92
93  // System time at which the current load was started.
94  base::TimeTicks current_load_start_;
95
96  DISALLOW_COPY_AND_ASSIGN(NavigatorImpl);
97};
98
99}  // namespace content
100
101#endif  // CONTENT_BROWSER_FRAME_HOST_NAVIGATOR_IMPL_H_
102