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265e672179
# ignore-this-changeset --HG-- extra : amend_source : 4d301d3b0b8711c4692392aa76088ba7fd7d1022
56 lines
1.9 KiB
C++
56 lines
1.9 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim: set ts=8 sts=2 et sw=2 tw=80: */
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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 "mozilla/ComputedStyle.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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mozilla::ComputedStyle* aStyle);
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class nsTreeColFrame final : public nsBoxFrame {
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public:
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NS_DECL_FRAMEARENA_HELPERS(nsTreeColFrame)
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explicit nsTreeColFrame(ComputedStyle* aStyle)
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: nsBoxFrame(aStyle, kClassID) {}
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virtual void Init(nsIContent* aContent, nsContainerFrame* aParent,
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nsIFrame* aPrevInFlow) override;
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virtual void DestroyFrom(nsIFrame* aDestructRoot,
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PostDestroyData& aPostDestroyData) override;
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virtual void BuildDisplayListForChildren(
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nsDisplayListBuilder* aBuilder, const nsDisplayListSet& aLists) override;
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virtual nsresult AttributeChanged(int32_t aNameSpaceID, nsAtom* aAttribute,
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int32_t aModType) override;
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virtual void SetXULBounds(nsBoxLayoutState& aBoxLayoutState,
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const nsRect& aRect,
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bool aRemoveOverflowArea = false) override;
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friend nsIFrame* NS_NewTreeColFrame(nsIPresShell* aPresShell,
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ComputedStyle* aStyle);
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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 TreeColumns 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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