pjs/layout/base/nsCSSFrameConstructor.h

958 строки
50 KiB
C++

/* -*- 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<nsIStyleContext>& 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);
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<nsILayoutHistoryState> 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___ */