/* -*- 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 1.1 (the "License"); you may not use this file * except in compliance with the License. You may obtain a copy of * the License at http://www.mozilla.org/NPL/ * * Software distributed under the License is distributed on an "AS * IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or * implied. See the License for the specific language governing * rights and limitations under the License. * * The Original Code is mozilla.org code. * * The Initial Developer of the Original Code is Netscape * Communications Corporation. Portions created by Netscape are * Copyright (C) 1998 Netscape Communications Corporation. All * Rights Reserved. * * Contributor(s): */ #ifndef nsCSSFrameConstructor_h___ #define nsCSSFrameConstructor_h___ #include "nsICSSFrameConstructor.h" #include "nsIStyleFrameConstruction.h" #include "nslayout.h" #include "nsIPresContext.h" #include "nsCOMPtr.h" #include "nsIStyleContext.h" #include "nsILayoutHistoryState.h" class nsIDocument; struct nsFrameItems; struct nsAbsoluteItems; struct nsTableCreator; class nsIStyleContext; struct nsTableList; struct nsStyleContent; struct nsStyleDisplay; class nsIPresShell; class nsVoidArray; class nsIFrameManager; class nsFrameConstructorState; class nsIDOMHTMLSelectElement; class nsIXBLService; class nsCSSFrameConstructor : public nsIStyleFrameConstruction, public nsICSSFrameConstructor { 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 // nsICSSFrameConstructor NS_IMETHOD Init(nsIDocument* aDocument); // nsIStyleFrameConstruction API NS_IMETHOD ConstructRootFrame(nsIPresShell* aPresShell, 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, nsILayoutHistoryState* aFrameState); 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, PRInt32 aNameSpaceID, 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(nsIPresShell* aPresShell, nsIPresContext* aPresContext, nsIFrame* aFrame); // Request to create a continuing frame NS_IMETHOD CreateContinuingFrame(nsIPresShell* aPresShell, 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, nsIFrameManager* aFrameManager, nsIContent* aContent, nsIFrame** aFrame, nsFindFrameHint* aHint); NS_IMETHOD CreateTreeWidgetContent(nsIPresContext* aPresContext, nsIFrame* aParentFrame, nsIFrame* aPrevFrame, nsIContent* aChild, nsIFrame** aResult, PRBool aIsAppend, PRBool aIsScrollbar, nsILayoutHistoryState* aFrameState); NS_IMETHOD RemoveMappingsForFrameSubtree(nsIPresContext* aParentFrame, nsIFrame* aRemovedFrame, nsILayoutHistoryState* aFrameState); protected: nsresult InitAndRestoreFrame (nsIPresContext* aPresContext, nsFrameConstructorState& aState, nsIContent* aContent, nsIFrame* aParentFrame, nsIStyleContext* aStyleContext, nsIFrame* aPrevInFlow, nsIFrame* aNewFrame); nsresult ResolveStyleContext(nsIPresContext* aPresContext, nsIFrame* aParentFrame, nsIContent* aContent, nsIAtom* aTag, nsIStyleContext** aStyleContext); nsresult ConstructFrame(nsIPresShell* aPresShell, nsIPresContext* aPresContext, nsFrameConstructorState& aState, nsIContent* aContent, nsIFrame* aParentFrame, nsFrameItems& aFrameItems); nsresult ConstructDocElementFrame(nsIPresShell* aPresShell, nsIPresContext* aPresContext, nsFrameConstructorState& aState, nsIContent* aDocElement, nsIFrame* aParentFrame, nsIStyleContext* aParentStyleContext, nsIFrame*& aNewFrame); nsresult ConstructDocElementTableFrame(nsIPresShell* aPresShell, nsIPresContext* aPresContext, nsIContent* aDocElement, nsIFrame* aParentFrame, nsIFrame*& aNewTableFrame, nsILayoutHistoryState* aFrameState); nsresult CreateGeneratedFrameFor(nsIPresContext* aPresContext, nsIDocument* aDocument, nsIFrame* aParentFrame, nsIContent* aContent, nsIStyleContext* aStyleContext, const nsStyleContent* aStyleContent, PRUint32 aContentIndex, nsIFrame** aFrame); PRBool CreateGeneratedContentFrame(nsIPresShell* aPresShell, nsIPresContext* aPresContext, nsFrameConstructorState& aState, nsIFrame* aFrame, nsIContent* aContent, nsIStyleContext* aStyleContext, nsIAtom* aPseudoElement, PRBool aForBlock, nsIFrame** aResult); nsresult AppendFrames(nsIPresContext* aPresContext, nsIPresShell* aPresShell, nsIFrameManager* aFrameManager, nsIContent* aContainer, nsIFrame* aParentFrame, nsIFrame* aFrameList); // BEGIN TABLE SECTION nsresult ConstructTableFrame(nsIPresShell* aPresShell, nsIPresContext* aPresContext, nsFrameConstructorState& aState, nsIContent* aContent, nsIFrame* aParent, nsIStyleContext* aStyleContext, nsTableCreator& aTableCreator, PRBool aIsPseudo, nsFrameItems& aChildItems, nsIFrame*& aNewOuterFrame, nsIFrame*& aNewInnerFrame, PRBool& aIsPseudoParent); nsresult ConstructTableCaptionFrame(nsIPresShell* aPresShell, nsIPresContext* aPresContext, nsFrameConstructorState& aState, nsIContent* aContent, nsIFrame* aParent, nsIStyleContext* aStyleContext, nsTableCreator& aTableCreator, nsFrameItems& aChildItems, nsIFrame*& aNewFrame, PRBool& aIsPseudoParent); nsresult ConstructTableRowGroupFrame(nsIPresShell* aPresShell, nsIPresContext* aPresContext, nsFrameConstructorState& aState, nsIContent* aContent, nsIFrame* aParent, nsIStyleContext* aStyleContext, nsTableCreator& aTableCreator, PRBool aIsPseudo, nsFrameItems& aChildItems, nsIFrame*& aNewFrame, PRBool& aIsPseudoParent); nsresult ConstructTableColGroupFrame(nsIPresShell* aPresShell, nsIPresContext* aPresContext, nsFrameConstructorState& aState, nsIContent* aContent, nsIFrame* aParent, nsIStyleContext* aStyleContext, nsTableCreator& aTableCreator, PRBool aIsPseudo, nsFrameItems& aChildItems, nsIFrame*& aNewFrame, PRBool& aIsPseudoParent); nsresult ConstructTableRowFrame(nsIPresShell* aPresShell, nsIPresContext* aPresContext, nsFrameConstructorState& aState, nsIContent* aContent, nsIFrame* aParent, nsIStyleContext* aStyleContext, nsTableCreator& aTableCreator, PRBool aIsPseudo, nsFrameItems& aChildItems, nsIFrame*& aNewFrame, PRBool& aIsPseudoParent); nsresult ConstructTableColFrame(nsIPresShell* aPresShell, nsIPresContext* aPresContext, nsFrameConstructorState& aState, nsIContent* aContent, nsIFrame* aParent, nsIStyleContext* aStyleContext, nsTableCreator& aTableCreator, PRBool aIsPseudo, nsFrameItems& aChildItems, nsIFrame*& aNewFrame, PRBool& aIsPseudoParent); nsresult ConstructTableCellFrame(nsIPresShell* aPresShell, nsIPresContext* aPresContext, nsFrameConstructorState& aState, nsIContent* aContent, nsIFrame* aParentFrame, nsIStyleContext* aStyleContext, nsTableCreator& aTableCreator, PRBool aIsPseudo, nsFrameItems& aChildItems, nsIFrame*& aNewCellOuterFrame, nsIFrame*& aNewCellInnerFrame, PRBool& aIsPseudoParent); PRBool MustGeneratePseudoParent(nsIPresContext* aPresContext, nsIFrame* aParentFrame, nsIAtom* aTag, nsIContent* aContent, nsIStyleContext* aContext); nsresult ConstructTableForeignFrame(nsIPresShell* aPresShell, nsIPresContext* aPresContext, nsFrameConstructorState& aState, nsIContent* aContent, nsIFrame* aParentFrameIn, nsIStyleContext* aStyleContext, nsTableCreator& aTableCreator, nsFrameItems& aChildItems, nsIFrame*& aNewFrame, PRBool& aIsPseudoParent); nsresult CreatePseudoTableFrame(nsIPresShell* aPresShell, nsIPresContext* aPresContext, nsTableCreator& aTableCreator, nsFrameConstructorState& aState, nsIFrame* aParentFrameIn = nsnull); nsresult CreatePseudoRowGroupFrame(nsIPresShell* aPresShell, nsIPresContext* aPresContext, nsTableCreator& aTableCreator, nsFrameConstructorState& aState, nsIFrame* aParentFrameIn = nsnull); nsresult CreatePseudoColGroupFrame(nsIPresShell* aPresShell, nsIPresContext* aPresContext, nsTableCreator& aTableCreator, nsFrameConstructorState& aState, nsIFrame* aParentFrameIn = nsnull); nsresult CreatePseudoRowFrame(nsIPresShell* aPresShell, nsIPresContext* aPresContext, nsTableCreator& aTableCreator, nsFrameConstructorState& aState, nsIFrame* aParentFrameIn = nsnull); nsresult CreatePseudoCellFrame(nsIPresShell* aPresShell, nsIPresContext* aPresContext, nsTableCreator& aTableCreator, nsFrameConstructorState& aState, nsIFrame* aParentFrameIn = nsnull); nsresult GetPseudoTableFrame(nsIPresShell* aPresShell, nsIPresContext* aPresContext, nsTableCreator& aTableCreator, nsFrameConstructorState& aState, nsIFrame& aParentFrameIn); nsresult GetPseudoColGroupFrame(nsIPresShell* aPresShell, nsIPresContext* aPresContext, nsTableCreator& aTableCreator, nsFrameConstructorState& aState, nsIFrame& aParentFrameIn); nsresult GetPseudoRowGroupFrame(nsIPresShell* aPresShell, nsIPresContext* aPresContext, nsTableCreator& aTableCreator, nsFrameConstructorState& aState, nsIFrame& aParentFrameIn); nsresult GetPseudoRowFrame(nsIPresShell* aPresShell, nsIPresContext* aPresContext, nsTableCreator& aTableCreator, nsFrameConstructorState& aState, nsIFrame& aParentFrameIn); nsresult GetPseudoCellFrame(nsIPresShell* aPresShell, nsIPresContext* aPresContext, nsTableCreator& aTableCreator, nsFrameConstructorState& aState, nsIFrame& aParentFrameIn); nsresult GetParentFrame(nsIPresShell* aPresShell, nsIPresContext* aPresContext, nsTableCreator& aTableCreator, nsIFrame& aParentFrameIn, nsIAtom* aChildFrameType, nsFrameConstructorState& aState, nsIFrame*& aParentFrame, PRBool& aIsPseudoParent); nsresult TableProcessChildren(nsIPresShell* aPresShell, nsIPresContext* aPresContext, nsFrameConstructorState& aState, nsIContent* aContent, nsIFrame* aParentFrame, nsTableCreator& aTableCreator, nsFrameItems& aChildItems, nsIFrame*& aCaption); nsresult TableProcessChild(nsIPresShell* aPresShell, nsIPresContext* aPresContext, nsFrameConstructorState& aState, nsIContent& aChildContent, nsIFrame* aParentFrame, nsIAtom* aParentFrameType, nsIStyleContext* aParentStyleContext, nsTableCreator& aTableCreator, nsFrameItems& aChildItems, nsIFrame*& aCaption); const nsStyleDisplay* GetDisplay(nsIFrame* aFrame); // END TABLE SECTION nsresult CreatePlaceholderFrameFor(nsIPresShell* aPresShell, nsIPresContext* aPresContext, nsIFrameManager* aFrameManager, nsIContent* aContent, nsIFrame* aFrame, nsIStyleContext* aStyleContext, nsIFrame* aParentFrame, nsIFrame** aPlaceholderFrame); nsresult ConstructAlternateFrame(nsIPresShell* aPresShell, nsIPresContext* aPresContext, nsIContent* aContent, nsIStyleContext* aStyleContext, nsIFrame* aParentFrame, nsIFrame*& aFrame); nsWidgetRendering GetFormElementRenderingMode(nsIPresContext* aPresContext, nsWidgetType aWidgetType); nsresult ConstructRadioControlFrame(nsIPresShell* aPresShell, nsIPresContext* aPresContext, nsIFrame*& aNewFrame, nsIContent* aContent, nsIStyleContext* aStyleContext); nsresult ConstructCheckboxControlFrame(nsIPresShell* aPresShell, nsIPresContext* aPresContext, nsIFrame*& aNewFrame, nsIContent* aContent, nsIStyleContext* aStyleContext); nsresult ConstructButtonControlFrame(nsIPresShell* aPresShell, nsIPresContext* aPresContext, nsIFrame*& aNewFrame); nsresult ConstructTextControlFrame(nsIPresShell* aPresShell, nsIPresContext* aPresContext, nsIFrame*& aNewFrame, nsIContent* aContent); nsresult ConstructSelectFrame(nsIPresShell* aPresShell, 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 ConstructFieldSetFrame(nsIPresShell* aPresShell, nsIPresContext* aPresContext, nsFrameConstructorState& aState, nsIContent* aContent, nsIFrame* aParentFrame, nsIAtom* aTag, nsIStyleContext* aStyleContext, nsIFrame*& aNewFrame, PRBool& aProcessChildren, PRBool aIsAbsolutelyPositioned, PRBool& aFrameHasBeenInitialized, PRBool aIsFixedPositioned); nsresult ConstructTitledBoxFrame(nsIPresShell* aPresShell, nsIPresContext* aPresContext, 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, PRInt32 aNameSpaceID, nsIStyleContext* aStyleContext, nsFrameItems& aFrameItems); nsresult ConstructFrameInternal( nsIPresShell* aPresShell, nsIPresContext* aPresContext, nsFrameConstructorState& aState, nsIContent* aContent, nsIFrame* aParentFrame, nsIAtom* aTag, PRInt32 aNameSpaceID, nsIStyleContext* aStyleContext, nsFrameItems& aFrameItems, PRBool aXBLBaseTag); 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); //MathML Mod - RBS #ifdef MOZ_MATHML nsresult ConstructMathMLFrame(nsIPresShell* aPresShell, nsIPresContext* aPresContext, nsFrameConstructorState& aState, nsIContent* aContent, nsIFrame* aParentFrame, nsIAtom* aTag, PRInt32 aNameSpaceID, nsIStyleContext* aStyleContext, nsFrameItems& aFrameItems); #endif #ifdef INCLUDE_XUL nsresult ConstructXULFrame(nsIPresShell* aPresShell, nsIPresContext* aPresContext, nsFrameConstructorState& aState, nsIContent* aContent, nsIFrame* aParentFrame, nsIAtom* aTag, PRInt32 aNameSpaceID, nsIStyleContext* aStyleContext, nsFrameItems& aFrameItems, PRBool aXBLBaseTag, PRBool& aHaltProcessing); #endif // SVG - rods #ifdef MOZ_SVG nsresult ConstructSVGFrame(nsIPresShell* aPresShell, nsIPresContext* aPresContext, nsFrameConstructorState& aState, nsIContent* aContent, nsIFrame* aParentFrame, nsIAtom* aTag, PRInt32 aNameSpaceID, nsIStyleContext* aStyleContext, nsFrameItems& aFrameItems); #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, nsTableCreator* aTableCreator = nsnull); 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, nsIFrame* aScrollPort = nsnull); // 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, PRBool aIsRoot, nsIFrame*& aNewFrame, nsCOMPtr& aScrolledChildStyle, nsIFrame*& aScrollableFrame, nsIFrame* aScrollPort = nsnull); // 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, PRBool aIsRoot, nsIFrame*& aNewFrame, nsFrameItems& aAnonymousFrames, nsIFrame* aScrollPort = nsnull); 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(); nsresult RecreateFramesForContent(nsIPresContext* aPresContext, nsIContent* aContent, PRBool aInlineStyle = PR_FALSE, nsIStyleRule* aRule = nsnull, nsIStyleContext* aContext = nsnull); 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, PRBool aIsPositioned, 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 WipeContainingBlock(nsIPresContext* aPresContext, nsFrameConstructorState& aState, nsIContent* blockContent, nsIFrame* aFrame, nsIFrame* aFrameList); nsresult SplitToContainingBlock(nsIPresContext* aPresContext, nsFrameConstructorState& aState, nsIFrame* aFrame, nsIFrame* aLeftInlineChildFrame, nsIFrame* aBlockChildFrame, nsIFrame* aRightInlineChildFrame, PRBool aTransfer); nsresult ReframeContainingBlock(nsIPresContext* aPresContext, nsIFrame* aFrame); nsresult StyleChangeReflow(nsIPresContext* aPresContext, nsIFrame* aFrame, nsIAtom* aAttribute); nsresult RecreateEntireFrameTree(nsIPresContext* aPresContext); /** Helper function that searches the immediate child frames * (and their children if the frames are "special") * for a frame that maps the specified content object * * @param aPresContext the presentation context * @param aParentFrame the primary frame for aParentContent * @param aContent the content node for which we seek a frame * @param aParentContent the parent for aContent * @param aHint an optional hint used to make the search for aFrame faster */ nsIFrame* FindFrameWithContent(nsIPresContext* aPresContext, nsIFrame* aParentFrame, nsIContent* aParentContent, nsIContent* aContent, nsFindFrameHint* aHint); //---------------------------------------- // 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); nsresult RemoveFixedItems(nsIPresContext& aPresContext, nsIPresShell& aPresShell); protected: nsIDocument* mDocument; nsIFrame* mInitialContainingBlock; nsIFrame* mFixedContainingBlock; nsIFrame* mDocElementContainingBlock; nsIFrame* mGfxScrollFrame; // Cached Prefs PRBool mGotGfxPrefs; PRBool mHasGfxScrollbars; nsCOMPtr mTempFrameTreeState; #ifdef NS_DEBUG PRBool mVerifyFastFindFrame; // if true, run both the old and new find frame code // to validate that both ways get the same answer #endif }; #endif /* nsCSSFrameConstructor_h___ */