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nsBoxLayout.h
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nsBoxLayout.h
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/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* ***** BEGIN LICENSE BLOCK *****
* Version: MPL 1.1/GPL 2.0/LGPL 2.1
*
* The contents of this file are subject to the Mozilla Public License Version
* 1.1 (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
* http://www.mozilla.org/MPL/
*
* Software distributed under the License is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
* for the specific language governing rights and limitations under the
* License.
*
* The Original Code is Mozilla Communicator client code.
*
* The Initial Developer of the Original Code is
* Netscape Communications Corporation.
* Portions created by the Initial Developer are Copyright (C) 1998
* the Initial Developer. All Rights Reserved.
*
* Contributor(s):
*
* Alternatively, the contents of this file may be used under the terms of
* either of the GNU General Public License Version 2 or later (the "GPL"),
* or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
* in which case the provisions of the GPL or the LGPL are applicable instead
* of those above. If you wish to allow use of your version of this file only
* under the terms of either the GPL or the LGPL, and not to allow others to
* use your version of this file under the terms of the MPL, indicate your
* decision by deleting the provisions above and replace them with the notice
* and other provisions required by the GPL or the LGPL. If you do not delete
* the provisions above, a recipient may use your version of this file under
* the terms of any one of the MPL, the GPL or the LGPL.
*
* ***** END LICENSE BLOCK ***** */
#ifndef nsBoxLayout_h___
#define nsBoxLayout_h___
#include "nsISupports.h"
#include "nsIFrame.h"
#define NS_BOX_LAYOUT_IID \
{ 0x09d522a7, 0x304c, 0x4137, \
{ 0xaf, 0xc9, 0xe0, 0x80, 0x2e, 0x89, 0xb7, 0xe8 } }
class nsIGridPart;
class nsBoxLayout : public nsISupports {
public:
nsBoxLayout() {}
virtual ~nsBoxLayout() {}
NS_DECL_ISUPPORTS
NS_DECLARE_STATIC_IID_ACCESSOR(NS_BOX_LAYOUT_IID)
NS_IMETHOD Layout(nsIBox* aBox, nsBoxLayoutState& aState);
virtual nsSize GetPrefSize(nsIBox* aBox, nsBoxLayoutState& aBoxLayoutState);
virtual nsSize GetMinSize(nsIBox* aBox, nsBoxLayoutState& aBoxLayoutState);
virtual nsSize GetMaxSize(nsIBox* aBox, nsBoxLayoutState& aBoxLayoutState);
virtual nscoord GetAscent(nsIBox* aBox, nsBoxLayoutState& aBoxLayoutState);
virtual void ChildrenInserted(nsIBox* aBox, nsBoxLayoutState& aState,
nsIBox* aPrevBox,
const nsFrameList::Slice& aNewChildren) {}
virtual void ChildrenAppended(nsIBox* aBox, nsBoxLayoutState& aState,
const nsFrameList::Slice& aNewChildren) {}
virtual void ChildrenRemoved(nsIBox* aBox, nsBoxLayoutState& aState, nsIBox* aChildList) {}
virtual void ChildrenSet(nsIBox* aBox, nsBoxLayoutState& aState, nsIBox* aChildList) {}
virtual void IntrinsicWidthsDirty(nsIBox* aBox, nsBoxLayoutState& aState) {}
virtual void AddBorderAndPadding(nsIBox* aBox, nsSize& aSize);
virtual void AddMargin(nsIBox* aChild, nsSize& aSize);
virtual void AddMargin(nsSize& aSize, const nsMargin& aMargin);
virtual nsIGridPart* AsGridPart() { return nsnull; }
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