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103 lines
3.3 KiB
C++
103 lines
3.3 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
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*
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* The contents of this file are subject to the Netscape Public
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* License Version 1.1 (the "License"); you may not use this file
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* except in compliance with the License. You may obtain a copy of
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* the License at http://www.mozilla.org/NPL/
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*
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* Software distributed under the License is distributed on an "AS
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* IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
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* implied. See the License for the specific language governing
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* rights and limitations under the License.
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*
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* The Original Code is mozilla.org code.
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*
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* The Initial Developer of the Original Code is Netscape
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* Communications Corporation. Portions created by Netscape are
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* Copyright (C) 1998 Netscape Communications Corporation. All
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* Rights Reserved.
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*
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* Contributor(s):
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*/
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#ifndef nsAreaFrame_h___
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#define nsAreaFrame_h___
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#include "nsBlockFrame.h"
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#include "nsVoidArray.h"
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#include "nsAbsoluteContainingBlock.h"
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class nsSpaceManager;
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struct nsStyleDisplay;
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struct nsStylePosition;
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/**
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* Child list name indices
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* @see #GetAdditionalChildListName()
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*/
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#define NS_AREA_FRAME_ABSOLUTE_LIST_INDEX (NS_BLOCK_FRAME_LAST_LIST_INDEX + 1)
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/**
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* The area frame has an additional named child list:
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* - "Absolute-list" which contains the absolutely positioned frames
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*
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* @see nsLayoutAtoms::absoluteList
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*/
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class nsAreaFrame : public nsBlockFrame
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{
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public:
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friend nsresult NS_NewAreaFrame(nsIPresShell* aPresShell, nsIFrame** aResult, PRUint32 aFlags);
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// nsIFrame
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NS_IMETHOD Destroy(nsIPresContext* aPresContext);
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NS_IMETHOD SetInitialChildList(nsIPresContext* aPresContext,
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nsIAtom* aListName,
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nsIFrame* aChildList);
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NS_IMETHOD AppendFrames(nsIPresContext* aPresContext,
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nsIPresShell& aPresShell,
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nsIAtom* aListName,
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nsIFrame* aFrameList);
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NS_IMETHOD InsertFrames(nsIPresContext* aPresContext,
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nsIPresShell& aPresShell,
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nsIAtom* aListName,
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nsIFrame* aPrevFrame,
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nsIFrame* aFrameList);
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NS_IMETHOD RemoveFrame(nsIPresContext* aPresContext,
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nsIPresShell& aPresShell,
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nsIAtom* aListName,
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nsIFrame* aOldFrame);
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NS_IMETHOD GetAdditionalChildListName(PRInt32 aIndex,
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nsIAtom** aListName) const;
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NS_IMETHOD FirstChild(nsIPresContext* aPresContext,
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nsIAtom* aListName,
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nsIFrame** aFirstChild) const;
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NS_IMETHOD Reflow(nsIPresContext* aPresContext,
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nsHTMLReflowMetrics& aDesiredSize,
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const nsHTMLReflowState& aReflowState,
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nsReflowStatus& aStatus);
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/**
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* Get the "type" of the frame
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*
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* @see nsLayoutAtoms::areaFrame
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*/
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NS_IMETHOD GetFrameType(nsIAtom** aType) const;
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#ifdef DEBUG
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NS_IMETHOD GetFrameName(nsString& aResult) const;
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NS_IMETHOD SizeOf(nsISizeOfHandler* aHandler, PRUint32* aResult) const;
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#endif
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protected:
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nsAreaFrame();
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private:
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nsAbsoluteContainingBlock mAbsoluteContainer;
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};
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#endif /* nsAreaFrame_h___ */
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