зеркало из https://github.com/mozilla/pjs.git
128 строки
5.4 KiB
C++
128 строки
5.4 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 nsIStyleFrameConstruction_h___
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#define nsIStyleFrameConstruction_h___
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#include "nsISupports.h"
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class nsIPresShell;
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class nsIPresContext;
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class nsIContent;
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class nsIFrame;
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class nsIAtom;
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class nsIStyleSheet;
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class nsIStyleRule;
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class nsStyleChangeList;
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class nsIFrameManager;
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class nsILayoutHistoryState;
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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(nsIPresShell* aPresShell,
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nsIPresContext* aPresContext,
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nsIContent* aDocElement,
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nsIFrame*& aFrameSubTree) = 0;
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// Causes reconstruction of a frame hierarchy rooted by the
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// document element frame. This is often called when radical style
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// change precludes incremental reflow.
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NS_IMETHOD ReconstructDocElementHierarchy(nsIPresContext* aPresContext) = 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,
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nsILayoutHistoryState* aFrameState) = 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 ContentStatesChanged(nsIPresContext* aPresContext,
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nsIContent* aContent1,
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nsIContent* aContent2) = 0;
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NS_IMETHOD AttributeChanged(nsIPresContext* aPresContext,
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nsIContent* aContent,
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PRInt32 aNameSpaceID,
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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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NS_IMETHOD ProcessRestyledFrames(nsStyleChangeList& aRestyleArray,
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nsIPresContext* aPresContext) = 0;
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// Notification that we were unable to render a replaced element.
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NS_IMETHOD CantRenderReplacedElement(nsIPresShell* aPresShell,
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nsIPresContext* aPresContext,
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nsIFrame* aFrame) = 0;
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// Request to create a continuing frame
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NS_IMETHOD CreateContinuingFrame(nsIPresShell* aPresShell,
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nsIPresContext* aPresContext,
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nsIFrame* aFrame,
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nsIFrame* aParentFrame,
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nsIFrame** aContinuingFrame) = 0;
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// Request to find the primary frame associated with a given content object.
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// This is typically called by the pres shell when there is no mapping in
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// the pres shell hash table
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NS_IMETHOD FindPrimaryFrameFor(nsIPresContext* aPresContext,
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nsIFrameManager* aFrameManager,
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nsIContent* aContent,
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nsIFrame** aFrame) = 0;
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};
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#endif /* nsIStyleFrameConstruction_h___ */
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