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82 lines
3.4 KiB
C++
82 lines
3.4 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* ***** BEGIN LICENSE BLOCK *****
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* Version: MPL 1.1/GPL 2.0/LGPL 2.1
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*
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* The contents of this file are subject to the Mozilla Public License Version
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* 1.1 (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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* http://www.mozilla.org/MPL/
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*
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* Software distributed under the License is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
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* for the specific language governing rights and limitations under the
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* License.
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*
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* The Original Code is Mozilla Communicator client code.
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*
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* The Initial Developer of the Original Code is
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* Netscape Communications Corporation.
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* Portions created by the Initial Developer are Copyright (C) 1998
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* the Initial Developer. All Rights Reserved.
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*
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* Contributor(s):
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*
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* Alternatively, the contents of this file may be used under the terms of
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* either of the GNU General Public License Version 2 or later (the "GPL"),
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* or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
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* in which case the provisions of the GPL or the LGPL are applicable instead
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* of those above. If you wish to allow use of your version of this file only
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* under the terms of either the GPL or the LGPL, and not to allow others to
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* use your version of this file under the terms of the MPL, indicate your
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* decision by deleting the provisions above and replace them with the notice
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* and other provisions required by the GPL or the LGPL. If you do not delete
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* the provisions above, a recipient may use your version of this file under
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* the terms of any one of the MPL, the GPL or the LGPL.
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*
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* ***** END LICENSE BLOCK ***** */
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#ifndef nsIBoxLayout_h___
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#define nsIBoxLayout_h___
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#include "nsISupports.h"
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#include "nsIFrame.h"
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class nsBoxLayout;
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class nsBoxLayoutState;
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class nsIRenderingContext;
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struct nsRect;
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// 6a529924-c73d-4fae-af7a-0e8084e701d5
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#define NS_IBOX_LAYOUT_IID \
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{ 0x6a529924, 0xc73d, 0x4fae, \
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{ 0xaf, 0x7a, 0x0e, 0x80, 0x84, 0xe7, 0x01, 0xd5 } }
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class nsIBoxLayout : public nsISupports {
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public:
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NS_DECLARE_STATIC_IID_ACCESSOR(NS_IBOX_LAYOUT_IID)
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NS_IMETHOD Layout(nsIBox* aBox, nsBoxLayoutState& aState)=0;
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virtual nsSize GetPrefSize(nsIBox* aBox, nsBoxLayoutState& aBoxLayoutState)=0;
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virtual nsSize GetMinSize(nsIBox* aBox, nsBoxLayoutState& aBoxLayoutState)=0;
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virtual nsSize GetMaxSize(nsIBox* aBox, nsBoxLayoutState& aBoxLayoutState)=0;
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virtual nscoord GetAscent(nsIBox* aBox, nsBoxLayoutState& aBoxLayoutState)=0;
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// FIXME: Bug 507416. The Children* notifications don't actually
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// use all those arguments. Can we just simplify the signatures?
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virtual void ChildrenInserted(nsIBox* aBox, nsBoxLayoutState& aState,
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nsIBox* aPrevBox,
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const nsFrameList::Slice& aNewChildren)=0;
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virtual void ChildrenAppended(nsIBox* aBox, nsBoxLayoutState& aState,
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const nsFrameList::Slice& aNewChildren)=0;
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virtual void ChildrenRemoved(nsIBox* aBox, nsBoxLayoutState& aState, nsIBox* aChildList)=0;
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virtual void ChildrenSet(nsIBox* aBox, nsBoxLayoutState& aState, nsIBox* aChildList)=0;
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virtual void IntrinsicWidthsDirty(nsIBox* aBox, nsBoxLayoutState& aState)=0;
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};
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NS_DEFINE_STATIC_IID_ACCESSOR(nsIBoxLayout, NS_IBOX_LAYOUT_IID)
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#endif
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