michael@0: /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
michael@0: /* This Source Code Form is subject to the terms of the Mozilla Public
michael@0:  * License, v. 2.0. If a copy of the MPL was not distributed with this
michael@0:  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
michael@0: #ifndef nsBoxObject_h_
michael@0: #define nsBoxObject_h_
michael@0: 
michael@0: #include "mozilla/Attributes.h"
michael@0: #include "nsCOMPtr.h"
michael@0: #include "nsIBoxObject.h"
michael@0: #include "nsPIBoxObject.h"
michael@0: #include "nsPoint.h"
michael@0: #include "nsAutoPtr.h"
michael@0: #include "nsHashKeys.h"
michael@0: #include "nsInterfaceHashtable.h"
michael@0: #include "nsCycleCollectionParticipant.h"
michael@0: 
michael@0: class nsIFrame;
michael@0: class nsIDocShell;
michael@0: struct nsIntRect;
michael@0: class nsIPresShell;
michael@0: 
michael@0: class nsBoxObject : public nsPIBoxObject
michael@0: {
michael@0:   NS_DECL_CYCLE_COLLECTING_ISUPPORTS
michael@0:   NS_DECL_CYCLE_COLLECTION_CLASS(nsBoxObject)
michael@0:   NS_DECL_NSIBOXOBJECT
michael@0: 
michael@0: public:
michael@0:   nsBoxObject();
michael@0:   virtual ~nsBoxObject();
michael@0: 
michael@0:   // nsPIBoxObject
michael@0:   virtual nsresult Init(nsIContent* aContent) MOZ_OVERRIDE;
michael@0:   virtual void Clear() MOZ_OVERRIDE;
michael@0:   virtual void ClearCachedValues() MOZ_OVERRIDE;
michael@0: 
michael@0:   nsIFrame* GetFrame(bool aFlushLayout);
michael@0:   nsIPresShell* GetPresShell(bool aFlushLayout);
michael@0:   nsresult GetOffsetRect(nsIntRect& aRect);
michael@0:   nsresult GetScreenPosition(nsIntPoint& aPoint);
michael@0: 
michael@0:   // Given a parent frame and a child frame, find the frame whose
michael@0:   // next sibling is the given child frame and return its element
michael@0:   static nsresult GetPreviousSibling(nsIFrame* aParentFrame, nsIFrame* aFrame,
michael@0:                                      nsIDOMElement** aResult);
michael@0: 
michael@0: protected:
michael@0: 
michael@0:   nsAutoPtr<nsInterfaceHashtable<nsStringHashKey,nsISupports> > mPropertyTable; //[OWNER]
michael@0: 
michael@0:   nsIContent* mContent; // [WEAK]
michael@0: };
michael@0: 
michael@0: #endif