mirror of
https://github.com/mozilla/gecko-dev.git
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444 lines
22 KiB
C++
444 lines
22 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 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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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 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(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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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 ContentStateChanged(nsIPresContext* aPresContext,
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nsIContent* aContent);
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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);
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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(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(nsIPresContext* aPresContext,
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nsIFrame* aFrame,
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nsIFrame* aParentFrame,
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nsIFrame** aContinuingFrame);
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protected:
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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(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& aFrameItems,
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nsAbsoluteItems& aFixedItems,
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nsAbsoluteItems& aFloatingItems);
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nsresult ConstructDocElementFrame(nsIPresContext* aPresContext,
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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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nsAbsoluteItems& aFixedItems);
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nsresult CreateGeneratedFrameFor(nsIPresContext* aPresContext,
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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(nsIPresContext* aPresContext,
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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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nsIFrame** aResult);
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nsresult AppendFrames(nsIPresContext* aPresContext,
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nsIPresShell* aPresShell,
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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(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& aAboluteItems,
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nsIFrame*& aNewFrame,
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nsAbsoluteItems& aFixedItems,
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nsTableCreator& aTableCreator);
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nsresult ConstructAnonymousTableFrame(nsIPresContext* aPresContext,
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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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nsAbsoluteItems& aAbsoluteItems,
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nsAbsoluteItems& aFixedItems,
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nsTableCreator& aTableCreator);
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nsresult ConstructTableCaptionFrame(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*& aNewCaptionFrame,
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nsAbsoluteItems& aFixedItems,
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nsTableCreator& aTableCreator);
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nsresult ConstructTableGroupFrame(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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PRBool aIsRowGroup,
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nsIFrame*& aNewTopFrame,
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nsIFrame*& aNewGroupFrame,
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nsAbsoluteItems& aFixedItems,
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nsTableCreator& aTableCreator,
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nsTableList* aToDo = nsnull);
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nsresult ConstructTableGroupFrameOnly(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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PRBool aIsRowGroup,
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nsIFrame*& aNewTopMostFrame,
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nsIFrame*& aNewGroupFrame,
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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 ConstructTableRowFrame(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*& aNewRowFrame,
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nsAbsoluteItems& aFixedItems,
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nsTableCreator& aTableCreator,
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nsTableList* aToDo = nsnull);
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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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// END TABLE SECTION
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nsresult CreatePlaceholderFrameFor(nsIPresContext* aPresContext,
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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 CreateFloaterPlaceholderFrameFor(nsIPresContext* aPresContext,
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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(nsIPresContext* aPresContext,
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nsIContent* aContent,
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nsIFrame* aParentFrame,
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nsIFrame*& aFrame);
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nsresult ConstructSelectFrame(nsIPresContext* aPresContext,
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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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nsAbsoluteItems& aAbsoluteItems,
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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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nsAbsoluteItems& aFixedItems);
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nsresult ConstructFrameByTag(nsIPresContext* aPresContext,
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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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nsAbsoluteItems& aAbsoluteItems,
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nsFrameItems& aFrameItems,
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nsAbsoluteItems& aFixedItems,
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nsAbsoluteItems& aFloatingItems);
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#ifdef INCLUDE_XUL
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nsresult ConstructXULFrame(nsIPresContext* aPresContext,
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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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nsAbsoluteItems& aAbsoluteItems,
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nsFrameItems& aFrameItems,
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nsAbsoluteItems& aFixedItems,
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nsAbsoluteItems& aFloatingItems,
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PRBool& aHaltProcessing);
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#endif
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nsresult ConstructFrameByDisplayType(nsIPresContext* aPresContext,
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const nsStyleDisplay* aDisplay,
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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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nsFrameItems& aFrameItems,
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nsAbsoluteItems& aFixedItems,
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nsAbsoluteItems& aFloatingItems);
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nsresult GetAdjustedParentFrame(nsIFrame* aCurrentParentFrame,
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PRUint8 aChildDisplayType,
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nsIFrame*& aNewParentFrame);
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nsresult ProcessChildren(nsIPresContext* aPresContext,
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nsIContent* aContent,
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nsIFrame* aFrame,
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nsAbsoluteItems& aAbsoluteItems,
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nsFrameItems& aFrameItems,
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nsAbsoluteItems& aFixedItems,
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nsAbsoluteItems& aFloatingItems,
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PRBool aCanHaveGeneratedContent = PR_FALSE);
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nsresult CreateInputFrame(nsIContent* aContent, nsIFrame*& aFrame);
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PRBool IsScrollable(nsIPresContext* aPresContext, const nsStyleDisplay* aDisplay);
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nsIFrame* GetFrameFor(nsIPresShell* aPresShell, nsIPresContext* aPresContext,
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nsIContent* aContent);
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nsIFrame* GetAbsoluteContainingBlock(nsIPresContext* aPresContext,
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nsIFrame* aFrame);
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nsIFrame* GetFloaterContainingBlock(nsIPresContext* aPresContext,
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nsIFrame* aFrame);
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nsresult InitializeScrollFrame(nsIFrame * aScrollFrame,
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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*& aNewFrame,
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nsAbsoluteItems& aFixedItems,
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PRBool aIsAbsolutelyPositioned,
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PRBool aIsFixedPositioned,
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PRBool aCreateBlock);
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nsresult RecreateFramesForContent(nsIPresContext* aPresContext,
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nsIContent* aContent);
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PRInt32 FindRestyledFramesBelow(nsIFrame* aFrame,
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nsIPresContext* aPresContext,
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PRInt32 aParentHint,
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nsStyleChangeList& aResults);
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nsresult RecreateFramesOnAttributeChange(nsIPresContext* aPresContext,
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nsIContent* aContent,
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nsIAtom* aAttribute);
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nsresult CreateContinuingOuterTableFrame(nsIPresContext* aPresContext,
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nsIFrame* aFrame,
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nsIFrame* aParentFrame,
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nsIContent* aContent,
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nsIStyleContext* aStyleContext,
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nsIFrame** aContinuingFrame);
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nsresult CreateContinuingTableFrame(nsIPresContext* aPresContext,
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nsIFrame* aFrame,
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nsIFrame* aParentFrame,
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nsIContent* aContent,
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nsIStyleContext* aStyleContext,
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nsIFrame** aContinuingFrame);
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protected:
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nsIDocument* mDocument;
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nsIFrame* mInitialContainingBlock;
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nsIFrame* mFixedContainingBlock;
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nsIFrame* mDocElementContainingBlock;
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};
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#endif /* nsCSSFrameConstructor_h___ */
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