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57 lines
2.0 KiB
C++
57 lines
2.0 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#include "mozilla/Attributes.h"
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#include "nsBoxFrame.h"
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class nsITreeBoxObject;
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nsIFrame* NS_NewTreeColFrame(nsIPresShell* aPresShell,
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nsStyleContext* aContext);
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class nsTreeColFrame : public nsBoxFrame
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{
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public:
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NS_DECL_FRAMEARENA_HELPERS
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nsTreeColFrame(nsIPresShell* aPresShell,
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nsStyleContext* aContext):
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nsBoxFrame(aPresShell, aContext) {}
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virtual void Init(nsIContent* aContent,
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nsIFrame* aParent,
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nsIFrame* aPrevInFlow) MOZ_OVERRIDE;
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virtual void DestroyFrom(nsIFrame* aDestructRoot) MOZ_OVERRIDE;
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virtual void BuildDisplayListForChildren(nsDisplayListBuilder* aBuilder,
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const nsRect& aDirtyRect,
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const nsDisplayListSet& aLists) MOZ_OVERRIDE;
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virtual nsresult AttributeChanged(int32_t aNameSpaceID,
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nsIAtom* aAttribute,
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int32_t aModType) MOZ_OVERRIDE;
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virtual void SetBounds(nsBoxLayoutState& aBoxLayoutState, const nsRect& aRect,
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bool aRemoveOverflowArea = false) MOZ_OVERRIDE;
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friend nsIFrame* NS_NewTreeColFrame(nsIPresShell* aPresShell,
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nsStyleContext* aContext);
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protected:
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virtual ~nsTreeColFrame();
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/**
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* @return the tree box object of the tree this column belongs to, or nullptr.
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*/
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nsITreeBoxObject* GetTreeBoxObject();
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/**
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* Helper method that gets the nsITreeColumns object this column belongs to
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* and calls InvalidateColumns() on it.
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*/
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void InvalidateColumns(bool aCanWalkFrameTree = true);
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};
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