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/navigation_controller.h"
  10 #include "content/public/browser/navigation_details.h"
  11
  12 namespace content {
  13
  14 struct LoadCommittedDetails;
  15 struct LoadNotificationDetails;
  16 struct NativeWebKeyboardEvent;
  17 class InterstitialPage;
  18 class InterstitialPageImpl;
  19 class RenderFrameHost;
  20 class RenderViewHost;
  21 class SiteInstance;
  22 class WebContents;
  23 class 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.
  29 class 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_