mirror of
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66 lines
2.2 KiB
C++
66 lines
2.2 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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#ifndef nsBoxLayout_h___
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#define nsBoxLayout_h___
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#include "nsISupports.h"
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#include "nsCoord.h"
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#include "nsFrameList.h"
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class nsIFrame;
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class nsBoxLayoutState;
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struct nsSize;
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struct nsMargin;
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#define NS_BOX_LAYOUT_IID \
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{ 0x09d522a7, 0x304c, 0x4137, \
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{ 0xaf, 0xc9, 0xe0, 0x80, 0x2e, 0x89, 0xb7, 0xe8 } }
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class nsIGridPart;
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class nsBoxLayout : public nsISupports {
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protected:
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virtual ~nsBoxLayout() {}
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public:
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nsBoxLayout() {}
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NS_DECL_ISUPPORTS
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NS_DECLARE_STATIC_IID_ACCESSOR(NS_BOX_LAYOUT_IID)
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NS_IMETHOD Layout(nsIFrame* aBox, nsBoxLayoutState& aState);
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virtual nsSize GetPrefSize(nsIFrame* aBox, nsBoxLayoutState& aBoxLayoutState);
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virtual nsSize GetMinSize(nsIFrame* aBox, nsBoxLayoutState& aBoxLayoutState);
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virtual nsSize GetMaxSize(nsIFrame* aBox, nsBoxLayoutState& aBoxLayoutState);
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virtual nscoord GetAscent(nsIFrame* aBox, nsBoxLayoutState& aBoxLayoutState);
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virtual void ChildrenInserted(nsIFrame* aBox, nsBoxLayoutState& aState,
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nsIFrame* aPrevBox,
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const nsFrameList::Slice& aNewChildren) {}
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virtual void ChildrenAppended(nsIFrame* aBox, nsBoxLayoutState& aState,
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const nsFrameList::Slice& aNewChildren) {}
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virtual void ChildrenRemoved(nsIFrame* aBox, nsBoxLayoutState& aState, nsIFrame* aChildList) {}
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virtual void ChildrenSet(nsIFrame* aBox, nsBoxLayoutState& aState, nsIFrame* aChildList) {}
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virtual void IntrinsicISizesDirty(nsIFrame* aBox, nsBoxLayoutState& aState) {}
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virtual void AddBorderAndPadding(nsIFrame* aBox, nsSize& aSize);
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virtual void AddMargin(nsIFrame* aChild, nsSize& aSize);
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virtual void AddMargin(nsSize& aSize, const nsMargin& aMargin);
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virtual nsIGridPart* AsGridPart() { return nullptr; }
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static void AddLargestSize(nsSize& aSize, const nsSize& aToAdd);
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static void AddSmallestSize(nsSize& aSize, const nsSize& aToAdd);
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};
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NS_DEFINE_STATIC_IID_ACCESSOR(nsBoxLayout, NS_BOX_LAYOUT_IID)
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#endif
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