pjs/layout/base/nsCSSFrameConstructor.h

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/* -*- 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"
#include "nsIPresContext.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 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,
nsIFrameManager* aFrameManager,
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,
nsIFrameManager* aFrameManager,
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,
nsIFrameManager* aFrameManager,
nsIContent* aContent,
nsIFrame* aFrame,
nsIStyleContext* aStyleContext,
nsIFrame* aParentFrame,
nsIFrame** aPlaceholderFrame);
nsresult ConstructAlternateImageFrame(nsIPresContext* aPresContext,
nsIContent* aContent,
nsIStyleContext* aStyleContext,
nsIFrame* aParentFrame,
nsIFrame*& aFrame);
nsWidgetRendering GetFormElementRenderingMode(nsIPresContext* aPresContext,
nsWidgetType aWidgetType);
nsresult ConstructRadioControlFrame(nsIPresContext* aPresContext,
nsIFrame*& aNewFrame,
nsIContent* aContent,
nsIStyleContext* aStyleContext);
nsresult ConstructCheckboxControlFrame(nsIPresContext* aPresContext,
nsIFrame*& aNewFrame);
nsresult ConstructButtonLabelFrame(nsIPresContext *aPresContext,
nsIContent *aContent,
nsIFrame *&aFrame,
nsFrameConstructorState& aState,
nsFrameItems& aFrameItems);
nsresult ConstructButtonControlFrame(nsIPresContext* aPresContext,
nsIFrame*& aNewFrame);
nsresult ConstructTextControlFrame(nsIPresContext* aPresContext,
nsIFrame*& aNewFrame,
nsIContent* aContent);
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,
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);
nsresult BuildBlockScrollFrame (nsIPresContext* aPresContext,
nsFrameConstructorState& aState,
nsIContent* aContent,
nsIFrame* aParentFrame,
nsIStyleContext* aStyleContext,
nsIFrame*& aNewFrame,
PRBool aProcessChildren,
PRBool aIsAbsolutelyPositioned,
PRBool aIsFixedPositioned,
PRBool aCreateBlock);
nsresult BuildBoxScrollFrame (nsIPresContext* aPresContext,
nsFrameConstructorState& aState,
nsIContent* aContent,
nsIFrame* aParentFrame,
nsIStyleContext* aStyleContext,
nsIFrame*& aNewFrame,
PRBool aProcessChildren,
PRBool aIsAbsolutelyPositioned,
PRBool aIsFixedPositioned,
PRBool aCreateBlock);
nsresult
BuildScrollFrame (nsIPresContext* aPresContext,
nsFrameConstructorState& aState,
nsIContent* aContent,
nsIFrame* aScrolledFrame,
nsIFrame* aParentFrame,
nsIStyleContext* aStyleContext,
nsIFrame*& aNewFrame,
PRBool aProcessChildren,
PRBool aIsAbsolutelyPositioned,
PRBool aIsFixedPositioned,
PRBool aCreateBlock);
nsresult
BuildGfxScrollFrame (nsIPresContext* aPresContext,
nsFrameConstructorState& aState,
nsIContent* aContent,
nsIFrame* aParentFrame,
nsIStyleContext* aStyleContext,
nsIFrame*& aNewFrame,
nsFrameItems& aAnonymousFrames);
nsresult
InitializeScrollFrame(nsIPresContext* aPresContext,
nsFrameConstructorState& aState,
nsIFrame* scrollFrame,
nsIFrame* scrolledFrame,
nsIContent* aContent,
nsIFrame* aParentFrame,
nsIStyleContext* aStyleContext,
PRBool aProcessChildren,
PRBool aIsAbsolutelyPositioned,
PRBool aIsFixedPositioned,
PRBool aCreateBlock);
PRBool IsGfxMode(nsIPresContext* aPresContext);
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,
nsFrameConstructorState& aState,
nsIFrame* aTextFrame,
nsIContent* aParentContent,
nsIContent* aChildContent,
nsIFrame* aParentFrame,
nsFrameItems& aFrameItems,
nsAbsoluteItems& aFloatingItems,
PRBool aForBlock);
void CreateFloatingFirstLetterFrame(nsIPresContext* aPresContext,
nsIFrameManager* aFrameManager,
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___ */