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/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#ifndef nsBoxLayout_h___
#define nsBoxLayout_h___
#include "nsISupports.h"
#include "nsCoord.h"
#include "nsFrameList.h"
class nsIFrame;
class nsBoxLayoutState;
struct nsSize;
struct nsMargin;
#define NS_BOX_LAYOUT_IID \
{ 0x09d522a7, 0x304c, 0x4137, \
{ 0xaf, 0xc9, 0xe0, 0x80, 0x2e, 0x89, 0xb7, 0xe8 } }
class nsIGridPart;
class nsBoxLayout : public nsISupports {
protected:
virtual ~nsBoxLayout() {}
public:
nsBoxLayout() {}
NS_DECL_ISUPPORTS
NS_DECLARE_STATIC_IID_ACCESSOR(NS_BOX_LAYOUT_IID)
NS_IMETHOD XULLayout(nsIFrame* aBox, nsBoxLayoutState& aState);
virtual nsSize GetXULPrefSize(nsIFrame* aBox, nsBoxLayoutState& aBoxLayoutState);
virtual nsSize GetXULMinSize(nsIFrame* aBox, nsBoxLayoutState& aBoxLayoutState);
virtual nsSize GetXULMaxSize(nsIFrame* aBox, nsBoxLayoutState& aBoxLayoutState);
virtual nscoord GetAscent(nsIFrame* aBox, nsBoxLayoutState& aBoxLayoutState);
virtual void ChildrenInserted(nsIFrame* aBox, nsBoxLayoutState& aState,
nsIFrame* aPrevBox,
const nsFrameList::Slice& aNewChildren) {}
virtual void ChildrenAppended(nsIFrame* aBox, nsBoxLayoutState& aState,
const nsFrameList::Slice& aNewChildren) {}
virtual void ChildrenRemoved(nsIFrame* aBox, nsBoxLayoutState& aState, nsIFrame* aChildList) {}
virtual void ChildrenSet(nsIFrame* aBox, nsBoxLayoutState& aState, nsIFrame* aChildList) {}
virtual void IntrinsicISizesDirty(nsIFrame* aBox, nsBoxLayoutState& aState) {}
virtual void AddBorderAndPadding(nsIFrame* aBox, nsSize& aSize);
virtual void AddMargin(nsIFrame* aChild, nsSize& aSize);
virtual void AddMargin(nsSize& aSize, const nsMargin& aMargin);
virtual nsIGridPart* AsGridPart() { return nullptr; }
static void AddLargestSize(nsSize& aSize, const nsSize& aToAdd);
static void AddSmallestSize(nsSize& aSize, const nsSize& aToAdd);
};
NS_DEFINE_STATIC_IID_ACCESSOR(nsBoxLayout, NS_BOX_LAYOUT_IID)
#endif
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