/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ /* ***** BEGIN LICENSE BLOCK ***** * Version: MPL 1.1/GPL 2.0/LGPL 2.1 * * The contents of this file are subject to the Mozilla 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/MPL/ * * 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 * Christopher A. Aillon * Portions created by the Initial Developer are Copyright (C) 2002 * the Initial Developer. All Rights Reserved. * * Contributor(s): * Christopher A. Aillon * * Alternatively, the contents of this file may be used under the terms of * either the GNU General Public License Version 2 or later (the "GPL"), or * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"), * in which case the provisions of the GPL or the LGPL are applicable instead * of those above. If you wish to allow use of your version of this file only * under the terms of either the GPL or the LGPL, and not to allow others to * use your version of this file under the terms of the MPL, indicate your * decision by deleting the provisions above and replace them with the notice * and other provisions required by the GPL or the LGPL. If you do not delete * the provisions above, a recipient may use your version of this file under * the terms of any one of the MPL, the GPL or the LGPL. * * ***** END LICENSE BLOCK ***** */ /* DOM object returned from element.getComputedStyle() */ #ifndef nsComputedDOMStyle_h__ #define nsComputedDOMStyle_h__ #include "nsIComputedDOMStyle.h" #include "nsROCSSPrimitiveValue.h" #include "nsDOMCSSDeclaration.h" #include "nsDOMCSSRGBColor.h" #include "nsDOMCSSValueList.h" #include "nsCSSProps.h" #include "nsIPresShell.h" #include "nsIContent.h" #include "nsIFrame.h" #include "nsCOMPtr.h" #include "nsWeakReference.h" #include "nsAutoPtr.h" class nsComputedDOMStyle : public nsIComputedDOMStyle { public: NS_DECL_ISUPPORTS NS_IMETHOD Init(nsIDOMElement *aElement, const nsAString& aPseudoElt, nsIPresShell *aPresShell); NS_DECL_NSICSSDECLARATION NS_DECL_NSIDOMCSSSTYLEDECLARATION nsComputedDOMStyle(); virtual ~nsComputedDOMStyle(); static void Shutdown(); private: void FlushPendingReflows(); #define STYLE_STRUCT(name_, checkdata_cb_, ctor_args_) \ const nsStyle##name_ * GetStyle##name_() { \ return NS_STATIC_CAST(const nsStyle##name_ *, \ GetStyleData(eStyleStruct_##name_)); \ } #include "nsStyleStructList.h" #undef STYLE_STRUCT // This never returns null const nsStyleStruct* GetStyleData(nsStyleStructID aSID); nsresult GetOffsetWidthFor(PRUint8 aSide, nsIDOMCSSValue** aValue); nsresult GetAbsoluteOffset(PRUint8 aSide, nsIDOMCSSValue** aValue); nsresult GetRelativeOffset(PRUint8 aSide, nsIDOMCSSValue** aValue); nsresult GetStaticOffset(PRUint8 aSide, nsIDOMCSSValue** aValue); nsresult GetPaddingWidthFor(PRUint8 aSide, nsIDOMCSSValue** aValue); nsresult GetBorderColorsFor(PRUint8 aSide, nsIDOMCSSValue** aValue); nsresult GetBorderStyleFor(PRUint8 aSide, nsIDOMCSSValue** aValue); nsresult GetBorderRadiusFor(PRUint8 aSide, nsIDOMCSSValue** aValue); nsresult GetBorderWidthFor(PRUint8 aSide, nsIDOMCSSValue** aValue); nsresult GetBorderColorFor(PRUint8 aSide, nsIDOMCSSValue** aValue); nsresult GetOutlineRadiusFor(PRUint8 aSide, nsIDOMCSSValue** aValue); nsresult GetMarginWidthFor(PRUint8 aSide, nsIDOMCSSValue** aValue); PRBool GetLineHeightCoord(nscoord& aCoord); /* Properties Queryable as CSSValues */ nsresult GetAppearance(nsIDOMCSSValue** aValue); /* Box properties */ nsresult GetBoxAlign(nsIDOMCSSValue** aValue); nsresult GetBoxDirection(nsIDOMCSSValue** aValue); nsresult GetBoxFlex(nsIDOMCSSValue** aValue); nsresult GetBoxOrdinalGroup(nsIDOMCSSValue** aValue); nsresult GetBoxOrient(nsIDOMCSSValue** aValue); nsresult GetBoxPack(nsIDOMCSSValue** aValue); nsresult GetBoxSizing(nsIDOMCSSValue** aValue); nsresult GetWidth(nsIDOMCSSValue** aValue); nsresult GetHeight(nsIDOMCSSValue** aValue); nsresult GetMaxHeight(nsIDOMCSSValue** aValue); nsresult GetMaxWidth(nsIDOMCSSValue** aValue); nsresult GetMinHeight(nsIDOMCSSValue** aValue); nsresult GetMinWidth(nsIDOMCSSValue** aValue); nsresult GetLeft(nsIDOMCSSValue** aValue); nsresult GetTop(nsIDOMCSSValue** aValue); nsresult GetRight(nsIDOMCSSValue** aValue); nsresult GetBottom(nsIDOMCSSValue** aValue); /* Font properties */ nsresult GetColor(nsIDOMCSSValue** aValue); nsresult GetFontFamily(nsIDOMCSSValue** aValue); nsresult GetFontStyle(nsIDOMCSSValue** aValue); nsresult GetFontSize(nsIDOMCSSValue** aValue); nsresult GetFontSizeAdjust(nsIDOMCSSValue** aValue); nsresult GetFontWeight(nsIDOMCSSValue** aValue); nsresult GetFontVariant(nsIDOMCSSValue** aValue); /* Background properties */ nsresult GetBackgroundAttachment(nsIDOMCSSValue** aValue); nsresult GetBackgroundColor(nsIDOMCSSValue** aValue); nsresult GetBackgroundImage(nsIDOMCSSValue** aValue); nsresult GetBackgroundRepeat(nsIDOMCSSValue** aValue); nsresult GetBackgroundClip(nsIDOMCSSValue** aValue); nsresult GetBackgroundInlinePolicy(nsIDOMCSSValue** aValue); nsresult GetBackgroundOrigin(nsIDOMCSSValue** aValue); /* Padding properties */ nsresult GetPadding(nsIDOMCSSValue** aValue); nsresult GetPaddingTop(nsIDOMCSSValue** aValue); nsresult GetPaddingBottom(nsIDOMCSSValue** aValue); nsresult GetPaddingLeft(nsIDOMCSSValue** aValue); nsresult GetPaddingRight(nsIDOMCSSValue** aValue); /* Table Properties */ nsresult GetBorderCollapse(nsIDOMCSSValue** aValue); nsresult GetBorderSpacing(nsIDOMCSSValue** aValue); nsresult GetCaptionSide(nsIDOMCSSValue** aValue); nsresult GetEmptyCells(nsIDOMCSSValue** aValue); nsresult GetTableLayout(nsIDOMCSSValue** aValue); nsresult GetVerticalAlign(nsIDOMCSSValue** aValue); /* Border Properties */ nsresult GetBorderStyle(nsIDOMCSSValue** aValue); nsresult GetBorderWidth(nsIDOMCSSValue** aValue); nsresult GetBorderTopStyle(nsIDOMCSSValue** aValue); nsresult GetBorderBottomStyle(nsIDOMCSSValue** aValue); nsresult GetBorderLeftStyle(nsIDOMCSSValue** aValue); nsresult GetBorderRightStyle(nsIDOMCSSValue** aValue); nsresult GetBorderTopWidth(nsIDOMCSSValue** aValue); nsresult GetBorderBottomWidth(nsIDOMCSSValue** aValue); nsresult GetBorderLeftWidth(nsIDOMCSSValue** aValue); nsresult GetBorderRightWidth(nsIDOMCSSValue** aValue); nsresult GetBorderTopColor(nsIDOMCSSValue** aValue); nsresult GetBorderBottomColor(nsIDOMCSSValue** aValue); nsresult GetBorderLeftColor(nsIDOMCSSValue** aValue); nsresult GetBorderRightColor(nsIDOMCSSValue** aValue); nsresult GetBorderBottomColors(nsIDOMCSSValue** aValue); nsresult GetBorderLeftColors(nsIDOMCSSValue** aValue); nsresult GetBorderRightColors(nsIDOMCSSValue** aValue); nsresult GetBorderTopColors(nsIDOMCSSValue** aValue); nsresult GetBorderRadiusBottomLeft(nsIDOMCSSValue** aValue); nsresult GetBorderRadiusBottomRight(nsIDOMCSSValue** aValue); nsresult GetBorderRadiusTopLeft(nsIDOMCSSValue** aValue); nsresult GetBorderRadiusTopRight(nsIDOMCSSValue** aValue); nsresult GetFloatEdge(nsIDOMCSSValue** aValue); /* Margin Properties */ nsresult GetMarginWidth(nsIDOMCSSValue** aValue); nsresult GetMarginTopWidth(nsIDOMCSSValue** aValue); nsresult GetMarginBottomWidth(nsIDOMCSSValue** aValue); nsresult GetMarginLeftWidth(nsIDOMCSSValue** aValue); nsresult GetMarginRightWidth(nsIDOMCSSValue** aValue); /* Outline Properties */ nsresult GetOutline(nsIDOMCSSValue** aValue); nsresult GetOutlineWidth(nsIDOMCSSValue** aValue); nsresult GetOutlineStyle(nsIDOMCSSValue** aValue); nsresult GetOutlineColor(nsIDOMCSSValue** aValue); nsresult GetOutlineOffset(nsIDOMCSSValue** aValue); nsresult GetOutlineRadiusBottomLeft(nsIDOMCSSValue** aValue); nsresult GetOutlineRadiusBottomRight(nsIDOMCSSValue** aValue); nsresult GetOutlineRadiusTopLeft(nsIDOMCSSValue** aValue); nsresult GetOutlineRadiusTopRight(nsIDOMCSSValue** aValue); /* Content Properties */ nsresult GetCounterIncrement(nsIDOMCSSValue** aValue); nsresult GetCounterReset(nsIDOMCSSValue** aValue); nsresult GetMarkerOffset(nsIDOMCSSValue** aValue); /* z-index */ nsresult GetZIndex(nsIDOMCSSValue** aValue); /* List properties */ nsresult GetListStyleImage(nsIDOMCSSValue** aValue); nsresult GetListStylePosition(nsIDOMCSSValue** aValue); nsresult GetListStyleType(nsIDOMCSSValue** aValue); nsresult GetImageRegion(nsIDOMCSSValue** aValue); /* Text Properties */ nsresult GetLineHeight(nsIDOMCSSValue** aValue); nsresult GetTextAlign(nsIDOMCSSValue** aValue); nsresult GetTextDecoration(nsIDOMCSSValue** aValue); nsresult GetTextIndent(nsIDOMCSSValue** aValue); nsresult GetTextTransform(nsIDOMCSSValue** aValue); nsresult GetLetterSpacing(nsIDOMCSSValue** aValue); nsresult GetWordSpacing(nsIDOMCSSValue** aValue); nsresult GetWhiteSpace(nsIDOMCSSValue** aValue); /* Visibility properties */ nsresult GetOpacity(nsIDOMCSSValue** aValue); nsresult GetVisibility(nsIDOMCSSValue** aValue); /* Direction properties */ nsresult GetDirection(nsIDOMCSSValue** aValue); nsresult GetUnicodeBidi(nsIDOMCSSValue** aValue); /* Display properties */ nsresult GetBinding(nsIDOMCSSValue** aValue); nsresult GetClear(nsIDOMCSSValue** aValue); nsresult GetCssFloat(nsIDOMCSSValue** aValue); nsresult GetDisplay(nsIDOMCSSValue** aValue); nsresult GetPosition(nsIDOMCSSValue** aValue); nsresult GetClip(nsIDOMCSSValue** aValue); nsresult GetOverflow(nsIDOMCSSValue** aValue); nsresult GetOverflowX(nsIDOMCSSValue** aValue); nsresult GetOverflowY(nsIDOMCSSValue** aValue); /* User interface properties */ nsresult GetCursor(nsIDOMCSSValue** aValue); nsresult GetUserFocus(nsIDOMCSSValue** aValue); nsresult GetUserInput(nsIDOMCSSValue** aValue); nsresult GetUserModify(nsIDOMCSSValue** aValue); nsresult GetUserSelect(nsIDOMCSSValue** aValue); /* Column properties */ nsresult GetColumnCount(nsIDOMCSSValue** aValue); nsresult GetColumnWidth(nsIDOMCSSValue** aValue); nsresult GetColumnGap(nsIDOMCSSValue** aValue); nsROCSSPrimitiveValue* GetROCSSPrimitiveValue(); nsDOMCSSValueList* GetROCSSValueList(PRBool aCommaDelimited); nsresult SetToRGBAColor(nsROCSSPrimitiveValue* aValue, nscolor aColor); /** * A method to get a percentage base for a percentage value. Returns PR_TRUE * if a percentage base value was determined, PR_FALSE otherwise. */ typedef PRBool (nsComputedDOMStyle::*PercentageBaseGetter)(nscoord&); /** * Method to set aValue to aCoord. If aCoord is a percentage value and * aPercentageBaseGetter is not null, aPercentageBaseGetter is called. If it * returns PR_TRUE, the percentage base it outputs in its out param is used * to compute an nscoord value. If the getter is null or returns PR_FALSE, * the percent value of aCoord is set as a percent value on aValue. aTable, * if not null, is the keyword table to handle eStyleUnit_Enumerated. When * calling SetAppUnits on aValue (for coord or percent values), the value * passed in will be PR_MAX of the actual value in aCoord and the value in * aMinAppUnits. * * XXXbz should caller pass in some sort of bitfield indicating which units * can be expected or something? */ void SetValueToCoord(nsROCSSPrimitiveValue* aValue, nsStyleCoord aCoord, PercentageBaseGetter aPercentageBaseGetter = nsnull, const PRInt32 aTable[] = nsnull, nscoord aMinAppUnits = nscoord_MIN); /** * If aCoord is a eStyleUnit_Coord returns the nscoord. If it's * eStyleUnit_Percent, attempts to resolve the percentage base and returns the * resulting nscoord. If it's some other unit or a percentge base can't be * determined, returns 0. */ nscoord StyleCoordToNSCoord(nsStyleCoord aCoord, PercentageBaseGetter aPercentageBaseGetter); PRBool GetFrameContentWidth(nscoord& aWidth); PRBool GetCBContentWidth(nscoord& aWidth); PRBool GetCBContentHeight(nscoord& aWidth); PRBool GetFrameBorderRectWidth(nscoord& aWidth); struct ComputedStyleMapEntry { // Create a pointer-to-member-function type. typedef nsresult (nsComputedDOMStyle::*ComputeMethod)(nsIDOMCSSValue**); nsCSSProperty mProperty; ComputeMethod mGetter; }; static const ComputedStyleMapEntry* GetQueryablePropertyMap(PRUint32* aLength); CSS2PropertiesTearoff mInner; // We don't really have a good immutable representation of "presentation". // Given the way GetComputedStyle is currently used, we should just grab the // 0th presshell, if any, from the document. nsWeakPtr mDocumentWeak; nsCOMPtr mContent; /* * When a frame is unavailable, strong reference to the * style context while we're accessing the data from it. */ nsRefPtr mStyleContextHolder; nsCOMPtr mPseudo; /* * While computing style data, the primary frame for mContent. Null * otherwise. */ nsIFrame* mFrame; PRInt32 mAppUnitsPerInch; /* For unit conversions */ }; #endif /* nsComputedDOMStyle_h__ */