content/browser/frame_host/navigation_controller_delegate.h

   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/invalidate_type.h"
  10 #include "content/public/browser/navigation_controller.h"
  11 #include "content/public/browser/navigation_details.h"
  12
  13 namespace content {
  14
  15 struct LoadCommittedDetails;
  16 struct LoadNotificationDetails;
  17 struct NativeWebKeyboardEvent;
  18 class FrameTree;
  19 class InterstitialPage;
  20 class InterstitialPageImpl;
  21 class RenderFrameHost;
  22 class RenderViewHost;
  23 class SiteInstance;
  24 class WebContents;
  25 class WebContentsDelegate;
  26
  27 // Interface for objects embedding a NavigationController to provide the
  28 // functionality NavigationController needs.
  29 // TODO(nasko): This interface should exist for short amount of time, while
  30 // we transition navigation code from WebContents to Navigator.
  31 class NavigationControllerDelegate {
  32  public:
  33   virtual ~NavigationControllerDelegate() {}
  34
  35   // Duplicates of WebContents methods.
  36   virtual RenderViewHost* GetRenderViewHost() const = 0;
  37   virtual InterstitialPage* GetInterstitialPage() const = 0;
  38   virtual const std::string& GetContentsMimeType() const = 0;
  39   virtual void NotifyNavigationStateChanged(InvalidateTypes changed_flags) = 0;
  40   virtual void Stop() = 0;
  41   virtual int32 GetMaxPageID() = 0;
  42   virtual int32 GetMaxPageIDForSiteInstance(SiteInstance* site_instance) = 0;
  43   virtual bool IsLoading() const = 0;
  44   virtual bool IsBeingDestroyed() const = 0;
  45   virtual bool CanOverscrollContent() const = 0;
  46
  47   // Methods from WebContentsImpl that NavigationControllerImpl needs to
  48   // call.
  49   virtual FrameTree* GetFrameTree() = 0;
  50   virtual void NotifyBeforeFormRepostWarningShow() = 0;
  51   virtual void NotifyNavigationEntryCommitted(
  52       const LoadCommittedDetails& load_details) = 0;
  53   virtual void SetHistoryOffsetAndLength(int history_offset,
  54                                          int history_length) = 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   virtual bool HasAccessedInitialDocument() = 0;
  61
  62   // This method is needed, since we are no longer guaranteed that the
  63   // embedder for NavigationController will be a WebContents object.
  64   virtual WebContents* GetWebContents() = 0;
  65
  66   // Methods needed by InterstitialPageImpl.
  67   virtual bool IsHidden() = 0;
  68   virtual void RenderFrameForInterstitialPageCreated(
  69       RenderFrameHost* render_frame_host) = 0;
  70   virtual void AttachInterstitialPage(
  71       InterstitialPageImpl* interstitial_page) = 0;
  72   virtual void DetachInterstitialPage() = 0;
  73   virtual void SetIsLoading(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_