navigation_controller_delegate.h revision effb81e5f8246d0db0270817048dc992db66e9fb 
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_NAVIGATION_CONTROLLER_DELEGATE_H_
6#define CONTENT_BROWSER_FRAME_HOST_NAVIGATION_CONTROLLER_DELEGATE_H_
7
8#include <string>
9#include "content/public/browser/navigation_controller.h"
10#include "content/public/browser/navigation_details.h"
11
12namespace content {
13
14struct LoadCommittedDetails;
15struct LoadNotificationDetails;
16struct NativeWebKeyboardEvent;
17class InterstitialPage;
18class InterstitialPageImpl;
19class RenderFrameHost;
20class RenderViewHost;
21class SiteInstance;
22class WebContents;
23class WebContentsDelegate;
24
25// Interface for objects embedding a NavigationController to provide the
26// functionality NavigationController needs.
27// TODO(nasko): This interface should exist for short amount of time, while
28// we transition navigation code from WebContents to Navigator.
29class NavigationControllerDelegate {
30 public:
31  virtual ~NavigationControllerDelegate() {}
32
33  // Duplicates of WebContents methods.
34  virtual RenderViewHost* GetRenderViewHost() const = 0;
35  virtual InterstitialPage* GetInterstitialPage() const = 0;
36  virtual const std::string& GetContentsMimeType() const = 0;
37  virtual void NotifyNavigationStateChanged(unsigned changed_flags) = 0;
38  virtual void Stop() = 0;
39  virtual SiteInstance* GetPendingSiteInstance() const = 0;
40  virtual int32 GetMaxPageID() = 0;
41  virtual int32 GetMaxPageIDForSiteInstance(SiteInstance* site_instance) = 0;
42  virtual bool IsLoading() const = 0;
43
44  // Methods from WebContentsImpl that NavigationControllerImpl needs to
45  // call.
46  virtual void NotifyBeforeFormRepostWarningShow() = 0;
47  virtual void NotifyNavigationEntryCommitted(
48      const LoadCommittedDetails& load_details) = 0;
49  virtual bool NavigateToPendingEntry(
50      NavigationController::ReloadType reload_type) = 0;
51  virtual void SetHistoryLengthAndPrune(
52      const SiteInstance* site_instance,
53      int merge_history_length,
54      int32 minimum_page_id) = 0;
55  virtual void CopyMaxPageIDsFrom(WebContents* web_contents) = 0;
56  virtual void UpdateMaxPageID(int32 page_id) = 0;
57  virtual void UpdateMaxPageIDForSiteInstance(SiteInstance* site_instance,
58                                              int32 page_id) = 0;
59  virtual void ActivateAndShowRepostFormWarningDialog() = 0;
60
61  // This method is needed, since we are no longer guaranteed that the
62  // embedder for NavigationController will be a WebContents object.
63  virtual WebContents* GetWebContents() = 0;
64
65  // Methods needed by InterstitialPageImpl.
66  virtual bool IsHidden() = 0;
67  virtual void RenderFrameForInterstitialPageCreated(
68      RenderFrameHost* render_frame_host) = 0;
69  virtual void AttachInterstitialPage(
70      InterstitialPageImpl* interstitial_page) = 0;
71  virtual void DetachInterstitialPage() = 0;
72  virtual void SetIsLoading(RenderViewHost* render_view_host,
73                            bool is_loading,
74                            bool to_different_document,
75                            LoadNotificationDetails* details) = 0;
76};
77
78}  // namespace content
79
80#endif  // CONTENT_BROWSER_FRAME_HOST_NAVIGATION_CONTROLLER_DELEGATE_H_
81