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67 lines
2.5 KiB
C++
67 lines
2.5 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 License
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* Version 1.0 (the "NPL"); you may not use this file except in
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* compliance with the NPL. You may obtain a copy of the NPL at
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* http://www.mozilla.org/NPL/
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*
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* Software distributed under the NPL is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the NPL
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* for the specific language governing rights and limitations under the
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* NPL.
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*
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* The Initial Developer of this code under the NPL is Netscape
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* Communications Corporation. Portions created by Netscape are
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* Copyright (C) 1998 Netscape Communications Corporation. All Rights
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* Reserved.
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*/
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#ifndef nsHTMLContainerFrame_h___
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#define nsHTMLContainerFrame_h___
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#include "nsContainerFrame.h"
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class nsString;
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class nsAbsoluteFrame;
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class nsPlaceholderFrame;
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struct nsStyleDisplay;
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struct nsStylePosition;
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// Base class for html container frames that provides common
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// functionality.
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class nsHTMLContainerFrame : public nsContainerFrame {
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public:
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NS_IMETHOD Paint(nsIPresContext& aPresContext,
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nsIRenderingContext& aRenderingContext,
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const nsRect& aDirtyRect,
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nsFramePaintLayer aWhichLayer);
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/**
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* Helper method to create next-in-flows if necessary. If aFrame
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* already has a next-in-flow then this method does
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* nothing. Otherwise, a new continuation frame is created and
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* linked into the flow. In addition, the new frame becomes the
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* next-sibling of aFrame.
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*/
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static nsresult CreateNextInFlow(nsIPresContext& aPresContext,
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nsIFrame* aOuterFrame,
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nsIFrame* aFrame,
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nsIFrame*& aNextInFlowResult);
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// Helper method to wrap views around frames. Used by containers
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// under special circumstances (can be used by leaf frames as well)
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static nsresult CreateViewForFrame(nsIPresContext& aPresContext,
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nsIFrame* aFrame,
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nsIStyleContext* aStyleContext,
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PRBool aForce);
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static void UpdateStyleContexts(nsIPresContext& aPresContext,
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nsIFrame* aFrame,
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nsIFrame* aOldParent,
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nsIFrame* aNewParent);
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protected:
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virtual PRIntn GetSkipSides() const = 0;
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};
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#endif /* nsHTMLContainerFrame_h___ */
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