/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- * * The contents of this file are subject to the Netscape Public License * Version 1.0 (the "NPL"); you may not use this file except in * compliance with the NPL. You may obtain a copy of the NPL at * http://www.mozilla.org/NPL/ * * Software distributed under the NPL is distributed on an "AS IS" basis, * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the NPL * for the specific language governing rights and limitations under the * NPL. * * The Initial Developer of this code under the NPL is Netscape * Communications Corporation. Portions created by Netscape are * Copyright (C) 1998 Netscape Communications Corporation. All Rights * Reserved. */ #ifndef nsCSSFrameConstructor_h___ #define nsCSSFrameConstructor_h___ #include "nsIStyleFrameConstruction.h" #include "nslayout.h" class nsIDocument; struct nsFrameItems; struct nsAbsoluteItems; struct nsTableCreator; class nsIStyleContext; struct nsTableList; struct nsStyleContent; struct nsStyleDisplay; class nsIPresShell; class nsVoidArray; class nsFrameConstructorState; class nsCSSFrameConstructor : public nsIStyleFrameConstruction { public: nsCSSFrameConstructor(void); virtual ~nsCSSFrameConstructor(void); private: // These are not supported and are not implemented! nsCSSFrameConstructor(const nsCSSFrameConstructor& aCopy); nsCSSFrameConstructor& operator=(const nsCSSFrameConstructor& aCopy); public: NS_DECL_ISUPPORTS NS_IMETHOD Init(nsIDocument* aDocument); // nsIStyleFrameConstruction API NS_IMETHOD ConstructRootFrame(nsIPresContext* aPresContext, nsIContent* aDocElement, nsIFrame*& aNewFrame); NS_IMETHOD ReconstructDocElementHierarchy(nsIPresContext* aPresContext); NS_IMETHOD ContentAppended(nsIPresContext* aPresContext, nsIContent* aContainer, PRInt32 aNewIndexInContainer); NS_IMETHOD ContentInserted(nsIPresContext* aPresContext, nsIContent* aContainer, nsIContent* aChild, PRInt32 aIndexInContainer); NS_IMETHOD ContentReplaced(nsIPresContext* aPresContext, nsIContent* aContainer, nsIContent* aOldChild, nsIContent* aNewChild, PRInt32 aIndexInContainer); NS_IMETHOD ContentRemoved(nsIPresContext* aPresContext, nsIContent* aContainer, nsIContent* aChild, PRInt32 aIndexInContainer); NS_IMETHOD ContentChanged(nsIPresContext* aPresContext, nsIContent* aContent, nsISupports* aSubContent); NS_IMETHOD ContentStatesChanged(nsIPresContext* aPresContext, nsIContent* aContent1, nsIContent* aContent2); NS_IMETHOD AttributeChanged(nsIPresContext* aPresContext, nsIContent* aContent, nsIAtom* aAttribute, PRInt32 aHint); // Style change notifications NS_IMETHOD StyleRuleChanged(nsIPresContext* aPresContext, nsIStyleSheet* aStyleSheet, nsIStyleRule* aStyleRule, PRInt32 aHint); // See nsStyleConsts fot hint values NS_IMETHOD StyleRuleAdded(nsIPresContext* aPresContext, nsIStyleSheet* aStyleSheet, nsIStyleRule* aStyleRule); NS_IMETHOD StyleRuleRemoved(nsIPresContext* aPresContext, nsIStyleSheet* aStyleSheet, nsIStyleRule* aStyleRule); NS_IMETHOD ProcessRestyledFrames(nsStyleChangeList& aRestyleArray, nsIPresContext* aPresContext); // Notification that we were unable to render a replaced element. NS_IMETHOD CantRenderReplacedElement(nsIPresContext* aPresContext, nsIFrame* aFrame); // Request to create a continuing frame NS_IMETHOD CreateContinuingFrame(nsIPresContext* aPresContext, nsIFrame* aFrame, nsIFrame* aParentFrame, nsIFrame** aContinuingFrame); // Request to find the primary frame associated with a given content object. // This is typically called by the pres shell when there is no mapping in // the pres shell hash table NS_IMETHOD FindPrimaryFrameFor(nsIPresContext* aPresContext, nsIContent* aContent, nsIFrame** aFrame); NS_IMETHOD CreateTreeWidgetContent(nsIPresContext* aPresContext, nsIFrame* aParentFrame, nsIFrame* aPrevFrame, nsIContent* aChild, nsIFrame** aResult, PRBool aIsAppend, PRBool aIsScrollbar); NS_IMETHOD RemoveMappingsForFrameSubtree(nsIPresContext* aParentFrame, nsIFrame* aRemovedFrame); protected: nsresult ResolveStyleContext(nsIPresContext* aPresContext, nsIFrame* aParentFrame, nsIContent* aContent, nsIAtom* aTag, nsIStyleContext** aStyleContext); nsresult ConstructFrame(nsIPresContext* aPresContext, nsFrameConstructorState& aState, nsIContent* aContent, nsIFrame* aParentFrame, PRBool aHaveFirstLetterStyle, nsFrameItems& aFrameItems); nsresult ConstructDocElementFrame(nsIPresContext* aPresContext, nsFrameConstructorState& aState, nsIContent* aDocElement, nsIFrame* aParentFrame, nsIStyleContext* aParentStyleContext, nsIFrame*& aNewFrame); nsresult ConstructDocElementTableFrame(nsIPresContext* aPresContext, nsIContent* aDocElement, nsIFrame* aParentFrame, nsIFrame*& aNewTableFrame); nsresult CreateGeneratedFrameFor(nsIPresContext* aPresContext, nsIFrame* aParentFrame, nsIContent* aContent, nsIStyleContext* aStyleContext, const nsStyleContent* aStyleContent, PRUint32 aContentIndex, nsIFrame** aFrame); PRBool CreateGeneratedContentFrame(nsIPresContext* aPresContext, nsFrameConstructorState& aState, nsIFrame* aFrame, nsIContent* aContent, nsIStyleContext* aStyleContext, nsIAtom* aPseudoElement, PRBool aMakeFirstLetterFrame, PRBool aForBlock, nsIFrame** aResult); nsresult AppendFrames(nsIPresContext* aPresContext, nsIPresShell* aPresShell, nsIContent* aContainer, nsIFrame* aParentFrame, nsIFrame* aFrameList); // BEGIN TABLE SECTION nsresult ConstructTableFrame(nsIPresContext* aPresContext, nsFrameConstructorState& aState, nsIContent* aContent, nsIFrame* aParent, nsIStyleContext* aStyleContext, nsIFrame*& aNewFrame, nsTableCreator& aTableCreator); nsresult ConstructAnonymousTableFrame(nsIPresContext* aPresContext, nsFrameConstructorState& aState, nsIContent* aContent, nsIFrame* aParentFrame, nsIFrame*& aNewTopFrame, nsIFrame*& aOuterFrame, nsIFrame*& aInnerFrame, nsTableCreator& aTableCreator); nsresult ConstructTableCaptionFrame(nsIPresContext* aPresContext, nsFrameConstructorState& aState, nsIContent* aContent, nsIFrame* aParent, nsIStyleContext* aStyleContext, nsIFrame*& aNewTopMostFrame, nsIFrame*& aNewCaptionFrame, nsTableCreator& aTableCreator); nsresult ConstructTableGroupFrame(nsIPresContext* aPresContext, nsFrameConstructorState& aState, nsIContent* aContent, nsIFrame* aParent, nsIStyleContext* aStyleContext, PRBool aIsRowGroup, nsIFrame*& aNewTopFrame, nsIFrame*& aNewGroupFrame, nsTableCreator& aTableCreator, nsTableList* aToDo = nsnull); nsresult ConstructTableGroupFrameOnly(nsIPresContext* aPresContext, nsFrameConstructorState& aState, nsIContent* aContent, nsIFrame* aParent, nsIStyleContext* aStyleContext, PRBool aIsRowGroup, nsIFrame*& aNewTopMostFrame, nsIFrame*& aNewGroupFrame, nsTableCreator& aTableCreator, PRBool aProcessChildren = PR_TRUE); nsresult ConstructTableRowFrame(nsIPresContext* aPresContext, nsFrameConstructorState& aState, nsIContent* aContent, nsIFrame* aParent, nsIStyleContext* aStyleContext, nsIFrame*& aNewTopMostFrame, nsIFrame*& aNewRowFrame, nsTableCreator& aTableCreator, nsTableList* aToDo = nsnull); nsresult ConstructTableRowFrameOnly(nsIPresContext* aPresContext, nsFrameConstructorState& aState, nsIContent* aContent, nsIFrame* aParentFrame, nsIStyleContext* aStyleContext, PRBool aProcessChildren, nsIFrame*& aNewRowFrame, nsTableCreator& aTableCreator); nsresult ConstructTableColFrame(nsIPresContext* aPresContext, nsFrameConstructorState& aState, nsIContent* aContent, nsIFrame* aParent, nsIStyleContext* aStyleContext, nsIFrame*& aNewTopMostFrame, nsIFrame*& aNewColFrame, nsTableCreator& aTableCreator); nsresult ConstructTableColFrameOnly(nsIPresContext* aPresContext, nsFrameConstructorState& aState, nsIContent* aContent, nsIFrame* aParentFrame, nsIStyleContext* aStyleContext, nsIFrame*& aNewColFrame, nsTableCreator& aTableCreator); nsresult ConstructTableCellFrame(nsIPresContext* aPresContext, nsFrameConstructorState& aState, nsIContent* aContent, nsIFrame* aParentFrame, nsIStyleContext* aStyleContext, nsIFrame*& aNewTopMostFrame, nsIFrame*& aNewCellFrame, nsIFrame*& aNewCellBodyFrame, nsTableCreator& aTableCreator, PRBool aProcessChildren = PR_TRUE); nsresult ConstructTableCellFrameOnly(nsIPresContext* aPresContext, nsFrameConstructorState& aState, nsIContent* aContent, nsIFrame* aParentFrame, nsIStyleContext* aStyleContext, nsIFrame*& aNewCellFrame, nsIFrame*& aNewCellBodyFrame, nsTableCreator& aTableCreator, PRBool aProcessChildren); nsresult TableProcessChildren(nsIPresContext* aPresContext, nsFrameConstructorState& aState, nsIContent* aContent, nsIFrame* aParentFrame, nsFrameItems& aChildList, nsTableCreator& aTableCreator); nsresult TableProcessChild(nsIPresContext* aPresContext, nsFrameConstructorState& aState, nsIContent* aChildContent, nsIFrame* aParentFrame, nsIStyleContext* aParentStyleContext, nsFrameItems& aChildItems, nsTableCreator& aTableCreator); nsresult ConstructTableRowFrameOnly(nsIPresContext* aPresContext, nsIContent* aContent, nsIFrame* aParentFrame, nsIStyleContext* aStyleContext, nsAbsoluteItems& aAbsoluteItems, PRBool aProcessChildren, nsIFrame*& aNewRowFrame, nsAbsoluteItems& aFixedItems, nsTableCreator& aTableCreator); nsresult ConstructTableColFrame(nsIPresContext* aPresContext, nsIContent* aContent, nsIFrame* aParent, nsIStyleContext* aStyleContext, nsAbsoluteItems& aAbsoluteItems, nsIFrame*& aNewTopMostFrame, nsIFrame*& aNewColFrame, nsAbsoluteItems& aFixedItems, nsTableCreator& aTableCreator); nsresult ConstructTableColFrameOnly(nsIPresContext* aPresContext, nsIContent* aContent, nsIFrame* aParentFrame, nsIStyleContext* aStyleContext, nsAbsoluteItems& aAbsoluteItems, nsIFrame*& aNewColFrame, nsAbsoluteItems& aFixedItems, nsTableCreator& aTableCreator); nsresult ConstructTableCellFrame(nsIPresContext* aPresContext, nsIContent* aContent, nsIFrame* aParentFrame, nsIStyleContext* aStyleContext, nsAbsoluteItems& aAbsoluteItems, nsIFrame*& aNewTopMostFrame, nsIFrame*& aNewCellFrame, nsIFrame*& aNewCellBodyFrame, nsAbsoluteItems& aFixedItems, nsTableCreator& aTableCreator, PRBool aProcessChildren = PR_TRUE); nsresult ConstructTableCellFrameOnly(nsIPresContext* aPresContext, nsIContent* aContent, nsIFrame* aParentFrame, nsIStyleContext* aStyleContext, nsAbsoluteItems& aAbsoluteItems, nsIFrame*& aNewCellFrame, nsIFrame*& aNewCellBodyFrame, nsAbsoluteItems& aFixedItems, nsTableCreator& aTableCreator, PRBool aProcessChildren); nsresult TableProcessChildren(nsIPresContext* aPresContext, nsIContent* aContent, nsIFrame* aParentFrame, nsAbsoluteItems& aAbsoluteItems, nsFrameItems& aChildList, nsAbsoluteItems& aFixedItems, nsTableCreator& aTableCreator); nsresult TableProcessChild(nsIPresContext* aPresContext, nsIContent* aChildContent, nsIFrame* aParentFrame, nsIStyleContext* aParentStyleContext, nsAbsoluteItems& aAbsoluteItems, nsFrameItems& aChildItems, nsAbsoluteItems& aFixedItems, nsTableCreator& aTableCreator); nsresult TableProcessTableList(nsIPresContext* aPresContext, nsTableList& aTableList); nsIFrame* TableGetAsNonScrollFrame(nsIPresContext* aPresContext, nsIFrame* aFrame, const nsStyleDisplay* aDisplayType); PRBool TableIsValidCellContent(nsIPresContext* aPresContext, nsIFrame* aParentFrame, nsIContent* aContent); const nsStyleDisplay* GetDisplay(nsIFrame* aFrame); PRBool IsTableRelated(PRUint8 aDisplay); // END TABLE SECTION nsresult CreatePlaceholderFrameFor(nsIPresContext* aPresContext, nsIContent* aContent, nsIFrame* aFrame, nsIStyleContext* aStyleContext, nsIFrame* aParentFrame, nsIFrame** aPlaceholderFrame); nsresult ConstructAlternateImageFrame(nsIPresContext* aPresContext, nsIContent* aContent, nsIStyleContext* aStyleContext, nsIFrame* aParentFrame, nsIFrame*& aFrame); nsresult ConstructRadioControlFrame(nsIPresContext* aPresContext, nsIFrame*& aNewFrame, nsIContent* aContent); nsresult ConstructTextControlFrame(nsIPresContext* aPresContext, nsIFrame*& aNewFrame); nsresult ConstructSelectFrame(nsIPresContext* aPresContext, nsFrameConstructorState& aState, nsIContent* aContent, nsIFrame* aParentFrame, nsIAtom* aTag, nsIStyleContext* aStyleContext, nsIFrame*& aNewFrame, PRBool& aProcessChildren, PRBool aIsAbsolutelyPositioned, PRBool& aFrameHasBeenInitialized, PRBool aIsFixedPositioned, nsFrameItems& aFrameItems); nsresult ConstructFrameByTag(nsIPresContext* aPresContext, nsFrameConstructorState& aState, nsIContent* aContent, nsIFrame* aParentFrame, nsIAtom* aTag, nsIStyleContext* aStyleContext, nsFrameItems& aFrameItems); nsresult CreateAnonymousFrames(nsIPresContext* aPresContext, nsIAtom* aTag, nsFrameConstructorState& aState, nsIContent* aContent, nsIFrame* aNewFrame, nsFrameItems& aChildItems); #ifdef INCLUDE_XUL nsresult ConstructXULFrame(nsIPresContext* aPresContext, nsFrameConstructorState& aState, nsIContent* aContent, nsIFrame* aParentFrame, nsIAtom* aTag, nsIStyleContext* aStyleContext, nsFrameItems& aFrameItems, PRBool& aHaltProcessing); #endif nsresult ConstructFrameByDisplayType(nsIPresContext* aPresContext, nsFrameConstructorState& aState, const nsStyleDisplay* aDisplay, nsIContent* aContent, nsIFrame* aParentFrame, nsIStyleContext* aStyleContext, PRBool aHaveFirstLetterStyle, nsFrameItems& aFrameItems); nsresult GetAdjustedParentFrame(nsIFrame* aCurrentParentFrame, PRUint8 aChildDisplayType, nsIFrame*& aNewParentFrame); nsresult ProcessChildren(nsIPresContext* aPresContext, nsFrameConstructorState& aState, nsIContent* aContent, nsIFrame* aFrame, PRBool aCanHaveGeneratedContent, nsFrameItems& aFrameItems); nsresult CreateInputFrame(nsIPresContext *aPresContext, nsIContent *aContent, nsIFrame *&aFrame); PRBool IsScrollable(nsIPresContext* aPresContext, const nsStyleDisplay* aDisplay); nsIFrame* GetFrameFor(nsIPresShell* aPresShell, nsIPresContext* aPresContext, nsIContent* aContent); nsIFrame* GetAbsoluteContainingBlock(nsIPresContext* aPresContext, nsIFrame* aFrame); nsIFrame* GetFloaterContainingBlock(nsIPresContext* aPresContext, nsIFrame* aFrame); nsresult InitializeScrollFrame(nsIPresContext* aPresContext, nsFrameConstructorState& aState, nsIFrame* aScrollFrame, nsIContent* aContent, nsIFrame* aParentFrame, nsIStyleContext* aStyleContext, nsIFrame*& aNewFrame, PRBool aIsAbsolutelyPositioned, PRBool aIsFixedPositioned, PRBool aCreateBlock); nsresult RecreateFramesForContent(nsIPresContext* aPresContext, nsIContent* aContent); PRInt32 FindRestyledFramesBelow(nsIFrame* aFrame, nsIPresContext* aPresContext, PRInt32 aParentHint, nsStyleChangeList& aResults); PRInt32 ComputeStateChangeFor(nsIPresContext* aPresContext, nsIFrame* aFrame, nsStyleChangeList& aChangeList, PRInt32 aFrameChange); nsresult RecreateFramesOnAttributeChange(nsIPresContext* aPresContext, nsIContent* aContent, nsIAtom* aAttribute); nsresult CreateContinuingOuterTableFrame(nsIPresContext* aPresContext, nsIFrame* aFrame, nsIFrame* aParentFrame, nsIContent* aContent, nsIStyleContext* aStyleContext, nsIFrame** aContinuingFrame); nsresult CreateContinuingTableFrame(nsIPresContext* aPresContext, nsIFrame* aFrame, nsIFrame* aParentFrame, nsIContent* aContent, nsIStyleContext* aStyleContext, nsIFrame** aContinuingFrame); //---------------------------------------- // Methods support creating block frames and their children PRBool HaveFirstLetterStyle(nsIPresContext* aPresContext, nsIContent* aContent, nsIStyleContext* aStyleContext); nsIStyleContext* GetFirstLetterStyle(nsIPresContext* aPresContext, nsIContent* aContent, nsIStyleContext* aStyleContext); PRBool ShouldCreateFirstLetterFrame(nsIPresContext* aPresContext, nsIContent* aContent, nsIFrame* aFrame); nsresult ProcessBlockChildren(nsIPresContext* aPresContext, nsFrameConstructorState& aState, nsIContent* aContent, nsIFrame* aFrame, nsFrameItems& aFrameItems, PRBool aCanHaveGeneratedContent, PRBool aForBlock); nsresult WrapTextFrame(nsIPresContext* aPresContext, nsIFrame* aTextFrame, nsIContent* aParentContent, nsIContent* aChildContent, nsIFrame* aParentFrame, nsFrameItems& aFrameItems, nsAbsoluteItems& aFloatingItems, PRBool aForBlock); void CreateFloatingFirstLetterFrame(nsIPresContext* aPresContext, nsIFrame* aTextFrame, nsIContent* aContent, nsIContent* aChildContent, nsIFrame* aParentFrame, nsFrameItems& aFrameItems, nsFrameItems& aFloatingItems, nsIStyleContext* aStyleContext); protected: nsIDocument* mDocument; nsIFrame* mInitialContainingBlock; nsIFrame* mFixedContainingBlock; nsIFrame* mDocElementContainingBlock; }; #endif /* nsCSSFrameConstructor_h___ */