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: 
michael@0: #include "mozilla/Attributes.h"
michael@0: #include "nsBoxFrame.h"
michael@0: 
michael@0: class nsITreeBoxObject;
michael@0: 
michael@0: nsIFrame* NS_NewTreeColFrame(nsIPresShell* aPresShell, 
michael@0:                              nsStyleContext* aContext);
michael@0: 
michael@0: class nsTreeColFrame : public nsBoxFrame
michael@0: {
michael@0: public:
michael@0:   NS_DECL_FRAMEARENA_HELPERS
michael@0: 
michael@0:   nsTreeColFrame(nsIPresShell* aPresShell,
michael@0:                  nsStyleContext* aContext):
michael@0:     nsBoxFrame(aPresShell, aContext) {}
michael@0: 
michael@0:   virtual void Init(nsIContent*      aContent,
michael@0:                     nsIFrame*        aParent,
michael@0:                     nsIFrame*        aPrevInFlow) MOZ_OVERRIDE;
michael@0: 
michael@0:   virtual void DestroyFrom(nsIFrame* aDestructRoot) MOZ_OVERRIDE;
michael@0: 
michael@0:   virtual void BuildDisplayListForChildren(nsDisplayListBuilder*   aBuilder,
michael@0:                                            const nsRect&           aDirtyRect,
michael@0:                                            const nsDisplayListSet& aLists) MOZ_OVERRIDE;
michael@0: 
michael@0:   virtual nsresult AttributeChanged(int32_t aNameSpaceID,
michael@0:                                     nsIAtom* aAttribute,
michael@0:                                     int32_t aModType) MOZ_OVERRIDE;
michael@0: 
michael@0:   virtual void SetBounds(nsBoxLayoutState& aBoxLayoutState, const nsRect& aRect,
michael@0:                          bool aRemoveOverflowArea = false) MOZ_OVERRIDE;
michael@0: 
michael@0:   friend nsIFrame* NS_NewTreeColFrame(nsIPresShell* aPresShell,
michael@0:                                       nsStyleContext* aContext);
michael@0: 
michael@0: protected:
michael@0:   virtual ~nsTreeColFrame();
michael@0: 
michael@0:   /**
michael@0:    * @return the tree box object of the tree this column belongs to, or nullptr.
michael@0:    */
michael@0:   nsITreeBoxObject* GetTreeBoxObject();
michael@0: 
michael@0:   /**
michael@0:    * Helper method that gets the nsITreeColumns object this column belongs to
michael@0:    * and calls InvalidateColumns() on it.
michael@0:    */
michael@0:   void InvalidateColumns(bool aCanWalkFrameTree = true);
michael@0: };