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90 lines
3.8 KiB
C++
90 lines
3.8 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 nsIStyleFrameConstruction_h___
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#define nsIStyleFrameConstruction_h___
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class nsIPresContext;
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class nsIContent;
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class nsIFrame;
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// IID for the nsIStyleSet interface {a6cf9066-15b3-11d2-932e-00805f8add32}
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#define NS_ISTYLE_FRAME_CONSTRUCTION_IID \
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{0xa6cf9066, 0x15b3, 0x11d2, {0x93, 0x2e, 0x00, 0x80, 0x5f, 0x8a, 0xdd, 0x32}}
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class nsIStyleFrameConstruction : public nsISupports {
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public:
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/**
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* Create frames for the root content element and its child content.
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*/
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NS_IMETHOD ConstructRootFrame(nsIPresContext* aPresContext,
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nsIContent* aDocElement,
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nsIFrame*& aFrameSubTree) = 0;
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// XXX TROY Is this what we want?
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// Causes reconstruction of a frame hierarchy rooted by the
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// frame aFrameSubTree. This is often called when radical style
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// change precludes incremental reflow.
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NS_IMETHOD ReconstructFrames(nsIPresContext* aPresContext,
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nsIContent* aContent,
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nsIFrame* aParentFrame,
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nsIFrame* aFrameSubTree) = 0;
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NS_IMETHOD ContentAppended(nsIPresContext* aPresContext,
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nsIContent* aContainer,
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PRInt32 aNewIndexInContainer) = 0;
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NS_IMETHOD ContentInserted(nsIPresContext* aPresContext,
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nsIContent* aContainer,
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nsIContent* aChild,
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PRInt32 aIndexInContainer) = 0;
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NS_IMETHOD ContentReplaced(nsIPresContext* aPresContext,
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nsIContent* aContainer,
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nsIContent* aOldChild,
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nsIContent* aNewChild,
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PRInt32 aIndexInContainer) = 0;
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NS_IMETHOD ContentRemoved(nsIPresContext* aPresContext,
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nsIContent* aContainer,
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nsIContent* aChild,
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PRInt32 aIndexInContainer) = 0;
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NS_IMETHOD ContentChanged(nsIPresContext* aPresContext,
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nsIContent* aContent,
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nsISupports* aSubContent) = 0;
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NS_IMETHOD AttributeChanged(nsIPresContext* aPresContext,
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nsIContent* aContent,
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nsIAtom* aAttribute,
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PRInt32 aHint) = 0;
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// Style change notifications
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NS_IMETHOD StyleRuleChanged(nsIPresContext* aPresContext,
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nsIStyleSheet* aStyleSheet,
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nsIStyleRule* aStyleRule,
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PRInt32 aHint) = 0; // See nsStyleConsts fot hint values
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NS_IMETHOD StyleRuleAdded(nsIPresContext* aPresContext,
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nsIStyleSheet* aStyleSheet,
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nsIStyleRule* aStyleRule) = 0;
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NS_IMETHOD StyleRuleRemoved(nsIPresContext* aPresContext,
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nsIStyleSheet* aStyleSheet,
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nsIStyleRule* aStyleRule) = 0;
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};
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#endif /* nsIStyleFrameConstruction_h___ */
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