зеркало из https://github.com/mozilla/gecko-dev.git
919 строки
48 KiB
C++
919 строки
48 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 nsCSSFrameConstructor_h___
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#define nsCSSFrameConstructor_h___
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#include "nsIStyleFrameConstruction.h"
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#include "nslayout.h"
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#include "nsIPresContext.h"
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#include "nsCOMPtr.h"
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#include "nsIStyleContext.h"
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#include "nsILayoutHistoryState.h"
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class nsIDocument;
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struct nsFrameItems;
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struct nsAbsoluteItems;
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struct nsTableCreator;
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class nsIStyleContext;
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struct nsTableList;
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struct nsStyleContent;
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struct nsStyleDisplay;
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class nsIPresShell;
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class nsVoidArray;
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class nsIFrameManager;
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class nsFrameConstructorState;
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class nsIDOMHTMLSelectElement;
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class nsCSSFrameConstructor : public nsIStyleFrameConstruction {
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public:
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nsCSSFrameConstructor(void);
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virtual ~nsCSSFrameConstructor(void);
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private:
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// These are not supported and are not implemented!
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nsCSSFrameConstructor(const nsCSSFrameConstructor& aCopy);
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nsCSSFrameConstructor& operator=(const nsCSSFrameConstructor& aCopy);
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public:
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NS_DECL_ISUPPORTS
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NS_IMETHOD Init(nsIDocument* aDocument);
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// nsIStyleFrameConstruction API
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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*& aNewFrame);
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NS_IMETHOD ReconstructDocElementHierarchy(nsIPresContext* aPresContext);
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NS_IMETHOD ContentAppended(nsIPresContext* aPresContext,
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nsIContent* aContainer,
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PRInt32 aNewIndexInContainer);
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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);
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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);
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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);
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NS_IMETHOD ContentChanged(nsIPresContext* aPresContext,
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nsIContent* aContent,
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nsISupports* aSubContent);
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NS_IMETHOD ContentStatesChanged(nsIPresContext* aPresContext,
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nsIContent* aContent1,
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nsIContent* aContent2);
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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);
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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); // 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);
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NS_IMETHOD StyleRuleRemoved(nsIPresContext* aPresContext,
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nsIStyleSheet* aStyleSheet,
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nsIStyleRule* aStyleRule);
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NS_IMETHOD ProcessRestyledFrames(nsStyleChangeList& aRestyleArray,
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nsIPresContext* aPresContext);
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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);
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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);
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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);
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NS_IMETHOD CreateTreeWidgetContent(nsIPresContext* aPresContext,
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nsIFrame* aParentFrame,
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nsIFrame* aPrevFrame,
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nsIContent* aChild,
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nsIFrame** aResult,
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PRBool aIsAppend,
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PRBool aIsScrollbar,
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nsILayoutHistoryState* aFrameState);
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NS_IMETHOD RemoveMappingsForFrameSubtree(nsIPresContext* aParentFrame,
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nsIFrame* aRemovedFrame,
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nsILayoutHistoryState* aFrameState);
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protected:
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nsresult InitAndRestoreFrame (nsIPresContext* aPresContext,
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nsFrameConstructorState& aState,
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nsIContent* aContent,
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nsIFrame* aParentFrame,
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nsIStyleContext* aStyleContext,
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nsIFrame* aPrevInFlow,
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nsIFrame* aNewFrame);
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nsresult ResolveStyleContext(nsIPresContext* aPresContext,
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nsIFrame* aParentFrame,
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nsIContent* aContent,
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nsIAtom* aTag,
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nsIStyleContext** aStyleContext);
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nsresult ConstructFrame(nsIPresShell* aPresShell,
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nsIPresContext* aPresContext,
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nsFrameConstructorState& aState,
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nsIContent* aContent,
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nsIFrame* aParentFrame,
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nsFrameItems& aFrameItems);
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nsresult ConstructDocElementFrame(nsIPresShell* aPresShell,
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nsIPresContext* aPresContext,
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nsFrameConstructorState& aState,
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nsIContent* aDocElement,
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nsIFrame* aParentFrame,
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nsIStyleContext* aParentStyleContext,
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nsIFrame*& aNewFrame);
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nsresult ConstructDocElementTableFrame(nsIPresShell* aPresShell,
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nsIPresContext* aPresContext,
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nsIContent* aDocElement,
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nsIFrame* aParentFrame,
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nsIFrame*& aNewTableFrame,
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nsILayoutHistoryState* aFrameState);
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nsresult CreateGeneratedFrameFor(nsIPresContext* aPresContext,
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nsIDocument* aDocument,
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nsIFrame* aParentFrame,
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nsIContent* aContent,
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nsIStyleContext* aStyleContext,
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const nsStyleContent* aStyleContent,
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PRUint32 aContentIndex,
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nsIFrame** aFrame);
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PRBool CreateGeneratedContentFrame(nsIPresShell* aPresShell,
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nsIPresContext* aPresContext,
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nsFrameConstructorState& aState,
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nsIFrame* aFrame,
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nsIContent* aContent,
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nsIStyleContext* aStyleContext,
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nsIAtom* aPseudoElement,
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PRBool aForBlock,
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nsIFrame** aResult);
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nsresult AppendFrames(nsIPresContext* aPresContext,
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nsIPresShell* aPresShell,
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nsIFrameManager* aFrameManager,
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nsIContent* aContainer,
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nsIFrame* aParentFrame,
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nsIFrame* aFrameList);
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// BEGIN TABLE SECTION
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nsresult ConstructTableFrame(nsIPresShell* aPresShell,
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nsIPresContext* aPresContext,
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nsFrameConstructorState& aState,
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nsIContent* aContent,
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nsIFrame* aParent,
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nsIStyleContext* aStyleContext,
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nsIFrame*& aNewFrame,
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nsTableCreator& aTableCreator);
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nsresult ConstructAnonymousTableFrame(nsIPresShell* aPresShell,
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nsIPresContext* aPresContext,
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nsFrameConstructorState& aState,
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nsIContent* aContent,
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nsIFrame* aParentFrame,
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nsIFrame*& aNewTopFrame,
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nsIFrame*& aOuterFrame,
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nsIFrame*& aInnerFrame,
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nsTableCreator& aTableCreator);
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nsresult ConstructTableCaptionFrame(nsIPresShell* aPresShell,
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nsIPresContext* aPresContext,
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nsFrameConstructorState& aState,
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nsIContent* aContent,
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nsIFrame* aParent,
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nsIStyleContext* aStyleContext,
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nsIFrame*& aNewTopMostFrame,
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nsIFrame*& aNewCaptionFrame,
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nsTableCreator& aTableCreator);
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nsresult ConstructTableGroupFrame(nsIPresShell* aPresShell,
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nsIPresContext* aPresContext,
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nsFrameConstructorState& aState,
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nsIContent* aContent,
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nsIFrame* aParent,
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nsIStyleContext* aStyleContext,
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PRBool aIsRowGroup,
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nsIFrame*& aNewTopFrame,
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nsIFrame*& aNewGroupFrame,
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nsTableCreator& aTableCreator,
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nsTableList* aToDo = nsnull);
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nsresult ConstructTableGroupFrameOnly(nsIPresShell* aPresShell,
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nsIPresContext* aPresContext,
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nsFrameConstructorState& aState,
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nsIContent* aContent,
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nsIFrame* aParent,
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nsIStyleContext* aStyleContext,
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PRBool aIsRowGroup,
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nsIFrame*& aNewTopMostFrame,
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nsIFrame*& aNewGroupFrame,
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nsTableCreator& aTableCreator,
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PRBool aProcessChildren = PR_TRUE);
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nsresult ConstructTableRowFrame(nsIPresShell* aPresShell,
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nsIPresContext* aPresContext,
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nsFrameConstructorState& aState,
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nsIContent* aContent,
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nsIFrame* aParent,
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nsIStyleContext* aStyleContext,
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nsIFrame*& aNewTopMostFrame,
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nsIFrame*& aNewRowFrame,
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nsTableCreator& aTableCreator,
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nsTableList* aToDo = nsnull);
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nsresult ConstructTableRowFrameOnly(nsIPresShell* aPresShell,
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nsIPresContext* aPresContext,
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nsFrameConstructorState& aState,
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nsIContent* aContent,
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nsIFrame* aParentFrame,
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nsIStyleContext* aStyleContext,
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PRBool aProcessChildren,
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nsIFrame*& aNewRowFrame,
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nsTableCreator& aTableCreator);
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nsresult ConstructTableColFrame(nsIPresShell* aPresShell,
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nsIPresContext* aPresContext,
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nsFrameConstructorState& aState,
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nsIContent* aContent,
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nsIFrame* aParent,
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nsIStyleContext* aStyleContext,
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nsIFrame*& aNewTopMostFrame,
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nsIFrame*& aNewColFrame,
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nsTableCreator& aTableCreator);
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nsresult ConstructTableColFrameOnly(nsIPresShell* aPresShell,
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nsIPresContext* aPresContext,
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nsFrameConstructorState& aState,
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nsIContent* aContent,
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nsIFrame* aParentFrame,
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nsIStyleContext* aStyleContext,
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nsIFrame*& aNewColFrame,
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nsTableCreator& aTableCreator);
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nsresult ConstructTableCellFrame(nsIPresShell* aPresShell,
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nsIPresContext* aPresContext,
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nsFrameConstructorState& aState,
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nsIContent* aContent,
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nsIFrame* aParentFrame,
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nsIStyleContext* aStyleContext,
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nsIFrame*& aNewTopMostFrame,
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nsIFrame*& aNewCellFrame,
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nsIFrame*& aNewCellBodyFrame,
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nsTableCreator& aTableCreator,
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PRBool aProcessChildren = PR_TRUE);
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nsresult ConstructTableCellFrameOnly(nsIPresShell* aPresShell,
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nsIPresContext* aPresContext,
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nsFrameConstructorState& aState,
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nsIContent* aContent,
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nsIFrame* aParentFrame,
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nsIStyleContext* aStyleContext,
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nsIFrame*& aNewCellFrame,
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nsIFrame*& aNewCellBodyFrame,
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nsTableCreator& aTableCreator,
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PRBool aProcessChildren);
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nsresult TableProcessChildren(nsIPresShell* aPresShell,
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nsIPresContext* aPresContext,
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nsFrameConstructorState& aState,
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nsIContent* aContent,
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nsIFrame* aParentFrame,
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nsFrameItems& aChildList,
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nsTableCreator& aTableCreator);
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nsresult TableProcessChild(nsIPresShell* aPresShell,
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nsIPresContext* aPresContext,
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nsFrameConstructorState& aState,
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nsIContent* aChildContent,
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nsIFrame* aParentFrame,
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nsIStyleContext* aParentStyleContext,
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nsFrameItems& aChildItems,
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nsTableCreator& aTableCreator);
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nsresult ConstructTableRowFrameOnly(nsIPresContext* aPresContext,
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nsIContent* aContent,
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nsIFrame* aParentFrame,
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nsIStyleContext* aStyleContext,
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nsAbsoluteItems& aAbsoluteItems,
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PRBool aProcessChildren,
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nsIFrame*& aNewRowFrame,
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nsAbsoluteItems& aFixedItems,
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nsTableCreator& aTableCreator);
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nsresult ConstructTableColFrame(nsIPresContext* aPresContext,
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nsIContent* aContent,
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nsIFrame* aParent,
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nsIStyleContext* aStyleContext,
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nsAbsoluteItems& aAbsoluteItems,
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nsIFrame*& aNewTopMostFrame,
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nsIFrame*& aNewColFrame,
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nsAbsoluteItems& aFixedItems,
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nsTableCreator& aTableCreator);
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nsresult ConstructTableColFrameOnly(nsIPresContext* aPresContext,
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nsIContent* aContent,
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nsIFrame* aParentFrame,
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nsIStyleContext* aStyleContext,
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nsAbsoluteItems& aAbsoluteItems,
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nsIFrame*& aNewColFrame,
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nsAbsoluteItems& aFixedItems,
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nsTableCreator& aTableCreator);
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nsresult ConstructTableCellFrame(nsIPresContext* aPresContext,
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nsIContent* aContent,
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nsIFrame* aParentFrame,
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nsIStyleContext* aStyleContext,
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nsAbsoluteItems& aAbsoluteItems,
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nsIFrame*& aNewTopMostFrame,
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nsIFrame*& aNewCellFrame,
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nsIFrame*& aNewCellBodyFrame,
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nsAbsoluteItems& aFixedItems,
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nsTableCreator& aTableCreator,
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PRBool aProcessChildren = PR_TRUE);
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nsresult ConstructTableCellFrameOnly(nsIPresContext* aPresContext,
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nsIContent* aContent,
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nsIFrame* aParentFrame,
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nsIStyleContext* aStyleContext,
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nsAbsoluteItems& aAbsoluteItems,
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nsIFrame*& aNewCellFrame,
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nsIFrame*& aNewCellBodyFrame,
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nsAbsoluteItems& aFixedItems,
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nsTableCreator& aTableCreator,
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PRBool aProcessChildren);
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nsresult TableProcessChildren(nsIPresContext* aPresContext,
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nsIContent* aContent,
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nsIFrame* aParentFrame,
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nsAbsoluteItems& aAbsoluteItems,
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nsFrameItems& aChildList,
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nsAbsoluteItems& aFixedItems,
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nsTableCreator& aTableCreator);
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nsresult TableProcessChild(nsIPresContext* aPresContext,
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nsIContent* aChildContent,
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nsIFrame* aParentFrame,
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nsIStyleContext* aParentStyleContext,
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nsAbsoluteItems& aAbsoluteItems,
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nsFrameItems& aChildItems,
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nsAbsoluteItems& aFixedItems,
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nsTableCreator& aTableCreator);
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nsresult TableProcessTableList(nsIPresContext* aPresContext,
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nsTableList& aTableList);
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nsIFrame* TableGetAsNonScrollFrame(nsIPresContext* aPresContext,
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nsIFrame* aFrame,
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const nsStyleDisplay* aDisplayType);
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PRBool TableIsValidCellContent(nsIPresContext* aPresContext,
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nsIFrame* aParentFrame,
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nsIContent* aContent);
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const nsStyleDisplay* GetDisplay(nsIFrame* aFrame);
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PRBool IsTableRelated(PRUint8 aDisplay);
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// END TABLE SECTION
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nsresult CreatePlaceholderFrameFor(nsIPresShell* aPresShell,
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nsIPresContext* aPresContext,
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nsIFrameManager* aFrameManager,
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nsIContent* aContent,
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nsIFrame* aFrame,
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nsIStyleContext* aStyleContext,
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nsIFrame* aParentFrame,
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nsIFrame** aPlaceholderFrame);
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nsresult ConstructAlternateImageFrame(nsIPresShell* aPresShell,
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nsIPresContext* aPresContext,
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nsIContent* aContent,
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nsIStyleContext* aStyleContext,
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nsIFrame* aParentFrame,
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nsIFrame*& aFrame);
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nsWidgetRendering GetFormElementRenderingMode(nsIPresContext* aPresContext,
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nsWidgetType aWidgetType);
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nsresult ConstructRadioControlFrame(nsIPresShell* aPresShell,
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nsIPresContext* aPresContext,
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nsIFrame*& aNewFrame,
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nsIContent* aContent,
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nsIStyleContext* aStyleContext);
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nsresult ConstructCheckboxControlFrame(nsIPresShell* aPresShell,
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nsIPresContext* aPresContext,
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nsIFrame*& aNewFrame);
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nsresult ConstructButtonControlFrame(nsIPresShell* aPresShell,
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nsIPresContext* aPresContext,
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nsIFrame*& aNewFrame);
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nsresult ConstructTextControlFrame(nsIPresShell* aPresShell,
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nsIPresContext* aPresContext,
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nsIFrame*& aNewFrame,
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nsIContent* aContent);
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nsresult ConstructSelectFrame(nsIPresShell* aPresShell,
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nsIPresContext* aPresContext,
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nsFrameConstructorState& aState,
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nsIContent* aContent,
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nsIFrame* aParentFrame,
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nsIAtom* aTag,
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nsIStyleContext* aStyleContext,
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nsIFrame*& aNewFrame,
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PRBool& aProcessChildren,
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PRBool aIsAbsolutelyPositioned,
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PRBool& aFrameHasBeenInitialized,
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PRBool aIsFixedPositioned,
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nsFrameItems& aFrameItems);
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nsresult ConstructFieldSetFrame(nsIPresShell* aPresShell,
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nsIPresContext* aPresContext,
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nsFrameConstructorState& aState,
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nsIContent* aContent,
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nsIFrame* aParentFrame,
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nsIAtom* aTag,
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nsIStyleContext* aStyleContext,
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nsIFrame*& aNewFrame,
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PRBool& aProcessChildren,
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PRBool aIsAbsolutelyPositioned,
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PRBool& aFrameHasBeenInitialized,
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PRBool aIsFixedPositioned);
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nsresult ConstructTitledBoxFrame(nsIPresShell* aPresShell,
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nsIPresContext* aPresContext,
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nsFrameConstructorState& aState,
|
|
nsIContent* aContent,
|
|
nsIFrame* aParentFrame,
|
|
nsIAtom* aTag,
|
|
nsIStyleContext* aStyleContext,
|
|
nsIFrame*& aNewFrame);
|
|
|
|
nsresult ConstructFrameByTag(nsIPresShell* aPresShell,
|
|
nsIPresContext* aPresContext,
|
|
nsFrameConstructorState& aState,
|
|
nsIContent* aContent,
|
|
nsIFrame* aParentFrame,
|
|
nsIAtom* aTag,
|
|
nsIStyleContext* aStyleContext,
|
|
nsFrameItems& aFrameItems);
|
|
|
|
nsresult CreateAnonymousFrames(nsIPresShell* aPresShell,
|
|
nsIPresContext* aPresContext,
|
|
nsIAtom* aTag,
|
|
nsFrameConstructorState& aState,
|
|
nsIContent* aParent,
|
|
nsIFrame* aNewFrame,
|
|
nsFrameItems& aChildItems);
|
|
|
|
nsresult CreateAnonymousFrames(nsIPresShell* aPresShell,
|
|
nsIPresContext* aPresContext,
|
|
nsFrameConstructorState& aState,
|
|
nsIContent* aParent,
|
|
nsIDocument* aDocument,
|
|
nsIFrame* aNewFrame,
|
|
nsFrameItems& aChildItems);
|
|
|
|
nsresult CreateAnonymousTreeCellFrames(nsIPresShell* aPresShell,
|
|
nsIPresContext* aPresContext,
|
|
nsIAtom* aTag,
|
|
nsFrameConstructorState& aState,
|
|
nsIContent* aParent,
|
|
nsIFrame* aNewCellBodyFrame,
|
|
nsIFrame* aNewCellFrame,
|
|
nsFrameItems& aChildItems);
|
|
|
|
//MathML Mod - RBS
|
|
#ifdef MOZ_MATHML
|
|
nsresult ConstructMathMLFrame(nsIPresShell* aPresShell,
|
|
nsIPresContext* aPresContext,
|
|
nsFrameConstructorState& aState,
|
|
nsIContent* aContent,
|
|
nsIFrame* aParentFrame,
|
|
nsIAtom* aTag,
|
|
nsIStyleContext* aStyleContext,
|
|
nsFrameItems& aFrameItems);
|
|
#endif
|
|
|
|
#ifdef INCLUDE_XUL
|
|
nsresult ConstructXULFrame(nsIPresShell* aPresShell,
|
|
nsIPresContext* aPresContext,
|
|
nsFrameConstructorState& aState,
|
|
nsIContent* aContent,
|
|
nsIFrame* aParentFrame,
|
|
nsIAtom* aTag,
|
|
nsIStyleContext* aStyleContext,
|
|
nsFrameItems& aFrameItems,
|
|
PRBool& aHaltProcessing);
|
|
|
|
#endif
|
|
|
|
nsresult ConstructFrameByDisplayType(nsIPresShell* aPresShell,
|
|
nsIPresContext* aPresContext,
|
|
nsFrameConstructorState& aState,
|
|
const nsStyleDisplay* aDisplay,
|
|
nsIContent* aContent,
|
|
nsIFrame* aParentFrame,
|
|
nsIStyleContext* aStyleContext,
|
|
nsFrameItems& aFrameItems);
|
|
|
|
nsresult GetAdjustedParentFrame(nsIPresContext* aPresContext,
|
|
nsIFrame* aCurrentParentFrame,
|
|
PRUint8 aChildDisplayType,
|
|
nsIFrame*& aNewParentFrame);
|
|
|
|
|
|
nsresult ProcessChildren(nsIPresShell* aPresShell,
|
|
nsIPresContext* aPresContext,
|
|
nsFrameConstructorState& aState,
|
|
nsIContent* aContent,
|
|
nsIFrame* aFrame,
|
|
PRBool aCanHaveGeneratedContent,
|
|
nsFrameItems& aFrameItems,
|
|
PRBool aParentIsBlock);
|
|
|
|
nsresult CreateInputFrame(nsIPresShell* aPresShell,
|
|
nsIPresContext *aPresContext,
|
|
nsIContent *aContent,
|
|
nsIFrame *&aFrame,
|
|
nsIStyleContext *aStyleContext);
|
|
|
|
nsresult RemoveDummyFrameFromSelect(nsIPresContext* aPresContext,
|
|
nsIPresShell * aPresShell,
|
|
nsIContent* aContainer,
|
|
nsIContent* aChild,
|
|
nsIDOMHTMLSelectElement * aSelectElement);
|
|
|
|
PRBool IsScrollable(nsIPresContext* aPresContext, const nsStyleDisplay* aDisplay);
|
|
|
|
nsIFrame* GetFrameFor(nsIPresShell* aFrameManager,
|
|
nsIPresContext* aPresContext,
|
|
nsIContent* aContent);
|
|
|
|
nsIFrame* GetAbsoluteContainingBlock(nsIPresContext* aPresContext,
|
|
nsIFrame* aFrame);
|
|
|
|
nsIFrame* GetFloaterContainingBlock(nsIPresContext* aPresContext,
|
|
nsIFrame* aFrame);
|
|
|
|
|
|
// Build a scroll frame:
|
|
// Calls BeginBuildingScrollFrame, InitAndRestoreFrame, and then FinishBuildingScrollFrame
|
|
//
|
|
// NOTE: this method does NOT set the primary frame for the content element
|
|
//
|
|
nsresult
|
|
BuildScrollFrame(nsIPresShell* aPresShell,
|
|
nsIPresContext* aPresContext,
|
|
nsFrameConstructorState& aState,
|
|
nsIContent* aContent,
|
|
nsIStyleContext* aContentStyle,
|
|
nsIFrame* aScrolledFrame,
|
|
nsIFrame* aParentFrame,
|
|
nsIFrame*& aNewFrame,
|
|
nsIStyleContext*& aScrolledChildStyle);
|
|
|
|
// Builds the initial ScrollFrame:
|
|
// if Gfx scrollbasrs in ares, it creates a GfxScrollFrame, otherwise it creates a ScrollFrame
|
|
//
|
|
nsresult
|
|
BeginBuildingScrollFrame(nsIPresShell* aPresShell,
|
|
nsIPresContext* aPresContext,
|
|
nsFrameConstructorState& aState,
|
|
nsIContent* aContent,
|
|
nsIStyleContext* aContentStyle,
|
|
nsIFrame* aParentFrame,
|
|
nsIAtom* aScrolledPseudo,
|
|
nsIDocument* aDocument,
|
|
nsIFrame*& aNewFrame,
|
|
nsCOMPtr<nsIStyleContext>& aScrolledChildStyle,
|
|
nsIFrame*& aScrollableFrame);
|
|
|
|
// Completes the building of the scrollframe:
|
|
// Creates and necessary views for the scrollframe and sets up the initial child list
|
|
//
|
|
nsresult
|
|
FinishBuildingScrollFrame(nsIPresContext* aPresContext,
|
|
nsFrameConstructorState& aState,
|
|
nsIContent* aContent,
|
|
nsIFrame* aScrollFrame,
|
|
nsIFrame* aScrolledFrame,
|
|
nsIStyleContext* scrolledPseudoStyle);
|
|
|
|
// Creates a new GfxScrollFrame, Initializes it, and creates a scroll port for it
|
|
//
|
|
nsresult
|
|
BuildGfxScrollFrame(nsIPresShell* aPresShell,
|
|
nsIPresContext* aPresContext,
|
|
nsFrameConstructorState& aState,
|
|
nsIContent* aContent,
|
|
nsIDocument* aDocument,
|
|
nsIFrame* aParentFrame,
|
|
nsIStyleContext* aStyleContext,
|
|
nsIFrame*& aNewFrame,
|
|
nsFrameItems& aAnonymousFrames);
|
|
|
|
|
|
nsresult
|
|
InitializeSelectFrame(nsIPresShell* aPresShell,
|
|
nsIPresContext* aPresContext,
|
|
nsFrameConstructorState& aState,
|
|
nsIFrame* scrollFrame,
|
|
nsIFrame* scrolledFrame,
|
|
nsIContent* aContent,
|
|
nsIFrame* aParentFrame,
|
|
nsIStyleContext* aStyleContext,
|
|
PRBool aIsAbsolutelyPositioned,
|
|
PRBool aIsFixedPositioned,
|
|
PRBool aCreateBlock);
|
|
|
|
// Probes the PresContext for the boolean value "nglayout.widget.gfxscrollbars"
|
|
//
|
|
PRBool HasGfxScrollbars(nsIPresContext* aPresContext);
|
|
|
|
|
|
nsresult RecreateFramesForContent(nsIPresContext* aPresContext,
|
|
nsIContent* aContent);
|
|
|
|
nsresult RecreateFramesOnAttributeChange(nsIPresContext* aPresContext,
|
|
nsIContent* aContent,
|
|
nsIAtom* aAttribute);
|
|
|
|
nsresult CreateContinuingOuterTableFrame(nsIPresShell* aPresShell,
|
|
nsIPresContext* aPresContext,
|
|
nsIFrame* aFrame,
|
|
nsIFrame* aParentFrame,
|
|
nsIContent* aContent,
|
|
nsIStyleContext* aStyleContext,
|
|
nsIFrame** aContinuingFrame);
|
|
|
|
nsresult CreateContinuingTableFrame(nsIPresShell* aPresShell,
|
|
nsIPresContext* aPresContext,
|
|
nsIFrame* aFrame,
|
|
nsIFrame* aParentFrame,
|
|
nsIContent* aContent,
|
|
nsIStyleContext* aStyleContext,
|
|
nsIFrame** aContinuingFrame);
|
|
|
|
//----------------------------------------
|
|
|
|
// Methods support creating block frames and their children
|
|
|
|
static nsIStyleContext* GetFirstLetterStyle(nsIPresContext* aPresContext,
|
|
nsIContent* aContent,
|
|
nsIStyleContext* aStyleContext);
|
|
|
|
static nsIStyleContext* GetFirstLineStyle(nsIPresContext* aPresContext,
|
|
nsIContent* aContent,
|
|
nsIStyleContext* aStyleContext);
|
|
|
|
static PRBool HaveFirstLetterStyle(nsIPresContext* aPresContext,
|
|
nsIContent* aContent,
|
|
nsIStyleContext* aStyleContext);
|
|
|
|
static PRBool HaveFirstLineStyle(nsIPresContext* aPresContext,
|
|
nsIContent* aContent,
|
|
nsIStyleContext* aStyleContext);
|
|
|
|
static void HaveSpecialBlockStyle(nsIPresContext* aPresContext,
|
|
nsIContent* aContent,
|
|
nsIStyleContext* aStyleContext,
|
|
PRBool* aHaveFirstLetterStyle,
|
|
PRBool* aHaveFirstLineStyle);
|
|
|
|
PRBool ShouldCreateFirstLetterFrame(nsIPresContext* aPresContext,
|
|
nsIContent* aContent,
|
|
nsIFrame* aFrame);
|
|
|
|
nsresult ConstructBlock(nsIPresShell* aPresShell,
|
|
nsIPresContext* aPresContext,
|
|
nsFrameConstructorState& aState,
|
|
const nsStyleDisplay* aDisplay,
|
|
nsIContent* aContent,
|
|
nsIFrame* aParentFrame,
|
|
nsIStyleContext* aStyleContext,
|
|
nsIFrame* aNewFrame);
|
|
|
|
nsresult ProcessBlockChildren(nsIPresShell* aPresShell,
|
|
nsIPresContext* aPresContext,
|
|
nsFrameConstructorState& aState,
|
|
nsIContent* aContent,
|
|
nsIFrame* aFrame,
|
|
PRBool aCanHaveGeneratedContent,
|
|
nsFrameItems& aFrameItems,
|
|
PRBool aParentIsBlock);
|
|
|
|
nsresult ConstructInline(nsIPresShell* aPresShell,
|
|
nsIPresContext* aPresContext,
|
|
nsFrameConstructorState& aState,
|
|
const nsStyleDisplay* aDisplay,
|
|
nsIContent* aContent,
|
|
nsIFrame* aParentFrame,
|
|
nsIStyleContext* aStyleContext,
|
|
nsIFrame* aNewFrame,
|
|
nsIFrame** aNewBlockFrame,
|
|
nsIFrame** aNextInlineFrame);
|
|
|
|
nsresult ProcessInlineChildren(nsIPresShell* aPresShell,
|
|
nsIPresContext* aPresContext,
|
|
nsFrameConstructorState& aState,
|
|
nsIContent* aContent,
|
|
nsIFrame* aFrame,
|
|
PRBool aCanHaveGeneratedContent,
|
|
nsFrameItems& aFrameItems,
|
|
PRBool* aKidsAllInline);
|
|
|
|
PRBool AreAllKidsInline(nsIFrame* aFrameList);
|
|
|
|
PRBool IsFrameSpecial(nsIFrameManager* aFrameManager, nsIFrame* aFrame);
|
|
|
|
PRBool IsFrameSpecial(nsIPresContext* aPresContext, nsIFrame* aFrame);
|
|
|
|
void SetFrameIsSpecial(nsIFrameManager* aFrameManager, nsIFrame* aFrame);
|
|
|
|
PRBool WipeContainingBlock(nsIPresContext* aPresContext,
|
|
nsFrameConstructorState& aState,
|
|
nsIContent* blockContent,
|
|
nsIFrame* aFrame,
|
|
nsIFrame* aFrameList);
|
|
|
|
nsresult ReframeContainingBlock(nsIPresContext* aPresContext, nsIFrame* aFrame);
|
|
|
|
nsresult RecreateEntireFrameTree(nsIPresContext* aPresContext);
|
|
|
|
//----------------------------------------
|
|
|
|
// Methods support :first-letter style
|
|
|
|
nsIContent* FindBlockFor(nsIPresContext* aPresContext,
|
|
nsFrameConstructorState& aState,
|
|
nsIContent* aContainer);
|
|
|
|
void CreateFloatingLetterFrame(nsIPresShell* aPresShell,
|
|
nsIPresContext* aPresContext,
|
|
nsFrameConstructorState& aState,
|
|
nsIContent* aTextContent,
|
|
nsIFrame* aTextFrame,
|
|
nsIContent* aBlockContent,
|
|
nsIFrame* aParentFrame,
|
|
nsIStyleContext* aStyleContext,
|
|
nsFrameItems& aResult);
|
|
|
|
nsresult CreateLetterFrame(nsIPresShell* aPresShell,
|
|
nsIPresContext* aPresContext,
|
|
nsFrameConstructorState& aState,
|
|
nsIContent* aTextContent,
|
|
nsIFrame* aParentFrame,
|
|
nsFrameItems& aResult);
|
|
|
|
nsresult WrapFramesInFirstLetterFrame(nsIPresShell* aPresShell,
|
|
nsIPresContext* aPresContext,
|
|
nsFrameConstructorState& aState,
|
|
nsIContent* aBlockContent,
|
|
nsIFrame* aBlockFrame,
|
|
nsFrameItems& aBlockFrames);
|
|
|
|
nsresult WrapFramesInFirstLetterFrame(nsIPresShell* aPresShell,
|
|
nsIPresContext* aPresContext,
|
|
nsFrameConstructorState& aState,
|
|
nsIFrame* aParentFrame,
|
|
nsIFrame* aParentFrameList,
|
|
nsIFrame** aModifiedParent,
|
|
nsIFrame** aTextFrame,
|
|
nsIFrame** aPrevFrame,
|
|
nsFrameItems& aLetterFrame,
|
|
PRBool* aStopLooking);
|
|
|
|
nsresult RecoverLetterFrames(nsIPresShell* aPresShell,
|
|
nsIPresContext* aPresContext,
|
|
nsFrameConstructorState& aState,
|
|
nsIFrame* aBlockFrame);
|
|
|
|
//
|
|
nsresult RemoveLetterFrames(nsIPresContext* aPresContext,
|
|
nsIPresShell* aPresShell,
|
|
nsIFrameManager* aFrameManager,
|
|
nsIFrame* aBlockFrame);
|
|
|
|
// Recursive helper for RemoveLetterFrames
|
|
nsresult RemoveFirstLetterFrames(nsIPresContext* aPresContext,
|
|
nsIPresShell* aPresShell,
|
|
nsIFrameManager* aFrameManager,
|
|
nsIFrame* aFrame,
|
|
PRBool* aStopLooking);
|
|
|
|
// Special remove method for those pesky floating first-letter frames
|
|
nsresult RemoveFloatingFirstLetterFrames(nsIPresContext* aPresContext,
|
|
nsIPresShell* aPresShell,
|
|
nsIFrameManager* aFrameManager,
|
|
nsIFrame* aBlockFrame,
|
|
PRBool* aStopLooking);
|
|
|
|
// Capture state for the frame tree rooted at the frame associated with the
|
|
// content object, aContent
|
|
nsresult CaptureStateForFramesOf(nsIPresContext* aPresContext,
|
|
nsIContent* aContent,
|
|
nsILayoutHistoryState* aHistoryState);
|
|
|
|
// Capture state for the frame tree rooted at aFrame.
|
|
nsresult CaptureStateFor(nsIPresContext* aPresContext,
|
|
nsIFrame* aFrame,
|
|
nsILayoutHistoryState* aHistoryState);
|
|
|
|
//----------------------------------------
|
|
|
|
// Methods support :first-line style
|
|
|
|
nsresult WrapFramesInFirstLineFrame(nsIPresShell* aPresShell,
|
|
nsIPresContext* aPresContext,
|
|
nsFrameConstructorState& aState,
|
|
nsIContent* aContent,
|
|
nsIFrame* aFrame,
|
|
nsFrameItems& aFrameItems);
|
|
|
|
nsresult AppendFirstLineFrames(nsIPresShell* aPresShell,
|
|
nsIPresContext* aPresContext,
|
|
nsFrameConstructorState& aState,
|
|
nsIContent* aContent,
|
|
nsIFrame* aBlockFrame,
|
|
nsFrameItems& aFrameItems);
|
|
|
|
nsresult InsertFirstLineFrames(nsIPresContext* aPresContext,
|
|
nsFrameConstructorState& aState,
|
|
nsIContent* aContent,
|
|
nsIFrame* aBlockFrame,
|
|
nsIFrame** aParentFrame,
|
|
nsIFrame* aPrevSibling,
|
|
nsFrameItems& aFrameItems);
|
|
|
|
protected:
|
|
nsIDocument* mDocument;
|
|
|
|
nsIFrame* mInitialContainingBlock;
|
|
nsIFrame* mFixedContainingBlock;
|
|
nsIFrame* mDocElementContainingBlock;
|
|
nsIFrame* mGfxScrollFrame;
|
|
|
|
nsCOMPtr<nsILayoutHistoryState> mTempFrameTreeState;
|
|
};
|
|
|
|
#endif /* nsCSSFrameConstructor_h___ */
|