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 virtual bool IsBeingDestroyed() const = 0; 44 virtual bool CanOverscrollContent() const = 0; 45 46 // Methods from WebContentsImpl that NavigationControllerImpl needs to 47 // call. 48 virtual void NotifyBeforeFormRepostWarningShow() = 0; 49 virtual void NotifyNavigationEntryCommitted( 50 const LoadCommittedDetails& load_details) = 0; 51 virtual bool NavigateToPendingEntry( 52 NavigationController::ReloadType reload_type) = 0; 53 virtual void SetHistoryLengthAndPrune( 54 const SiteInstance* site_instance, 55 int merge_history_length, 56 int32 minimum_page_id) = 0; 57 virtual void CopyMaxPageIDsFrom(WebContents* web_contents) = 0; 58 virtual void UpdateMaxPageID(int32 page_id) = 0; 59 virtual void UpdateMaxPageIDForSiteInstance(SiteInstance* site_instance, 60 int32 page_id) = 0; 61 virtual void ActivateAndShowRepostFormWarningDialog() = 0; 62 virtual bool HasAccessedInitialDocument() = 0; 63 64 // This method is needed, since we are no longer guaranteed that the 65 // embedder for NavigationController will be a WebContents object. 66 virtual WebContents* GetWebContents() = 0; 67 68 // Methods needed by InterstitialPageImpl. 69 virtual bool IsHidden() = 0; 70 virtual void RenderFrameForInterstitialPageCreated( 71 RenderFrameHost* render_frame_host) = 0; 72 virtual void AttachInterstitialPage( 73 InterstitialPageImpl* interstitial_page) = 0; 74 virtual void DetachInterstitialPage() = 0; 75 virtual void SetIsLoading(RenderViewHost* render_view_host, 76 bool is_loading, 77 bool to_different_document, 78 LoadNotificationDetails* details) = 0; 79 }; 80 81 } // namespace content 82 83 #endif // CONTENT_BROWSER_FRAME_HOST_NAVIGATION_CONTROLLER_DELEGATE_H_ 84