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gecko-dev/layout/style/nsCSSDeclaration.h

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/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* ***** BEGIN LICENSE BLOCK *****
* Version: NPL 1.1/GPL 2.0/LGPL 2.1
*
* 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 the Initial Developer are Copyright (C) 1998
* the Initial Developer. All Rights Reserved.
*
* Contributor(s):
* Daniel Glazman <glazman@netscape.com>
*
*
* 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 NPL, 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 NPL, the GPL or the LGPL.
*
* ***** END LICENSE BLOCK ***** */
#ifndef nsCSSDeclaration_h___
#define nsCSSDeclaration_h___
#include "nsISupports.h"
#include "nsColor.h"
#include <stdio.h>
#include "nsString.h"
#include "nsCoord.h"
#include "nsCSSValue.h"
#include "nsCSSProps.h"
#include "nsVoidArray.h"
#include "nsValueArray.h"
class nsISizeOfHandler;
class nsStringArray;
struct nsCSSStruct {
// EMPTY on purpose. ABSTRACT with no virtuals (typedef void nsCSSStruct?)
};
// Eventually we should stop using the nsCSS* structures for storing
// nsCSSDeclaration's data, because they're extremely bloated. However,
// we'll still want to use them for nsRuleData. So, for now, use
// typedefs and inheritance (forwards, when the rule data needs extra
// data) to make the rule data structs from the declaration structs.
typedef nsCSSStruct nsRuleDataStruct;
// SID for the nsCSSFont struct {f645dbf8-b48a-11d1-9ca5-0060088f9ff7}
#define NS_CSS_FONT_SID \
{0xf645dbf8, 0xb48a, 0x11d1, {0x9c, 0xa5, 0x00, 0x60, 0x08, 0x8f, 0x9f, 0xf7}}
// SID for the nsCSSColor struct {fd825f22-b48a-11d1-9ca5-0060088f9ff7}
#define NS_CSS_COLOR_SID \
{0xfd825f22, 0xb48a, 0x11d1, {0x9c, 0xa5, 0x00, 0x60, 0x08, 0x8f, 0x9f, 0xf7}}
// SID for the nsCSSText struct {fe13ce94-b48a-11d1-9ca5-0060088f9ff7}
#define NS_CSS_TEXT_SID \
{0xfe13ce94, 0xb48a, 0x11d1, {0x9c, 0xa5, 0x00, 0x60, 0x08, 0x8f, 0x9f, 0xf7}}
// SID for the nsCSSDisplay struct {fe13ce95-b48a-11d1-9ca5-0060088f9ff7}
#define NS_CSS_DISPLAY_SID \
{0xfe13ce95, 0xb48a, 0x11d1, {0x9c, 0xa5, 0x00, 0x60, 0x08, 0x8f, 0x9f, 0xf7}}
// SID for the nsCSSMargin struct {fe6019d4-b48a-11d1-9ca5-0060088f9ff7}
#define NS_CSS_MARGIN_SID \
{0xfe6019d4, 0xb48a, 0x11d1, {0x9c, 0xa5, 0x00, 0x60, 0x08, 0x8f, 0x9f, 0xf7}}
// SID for the nsCSSPosition struct {fee33b2a-b48a-11d1-9ca5-0060088f9ff7}
#define NS_CSS_POSITION_SID \
{0xfee33b2a, 0xb48a, 0x11d1, {0x9c, 0xa5, 0x00, 0x60, 0x08, 0x8f, 0x9f, 0xf7}}
// SID for the nsCSSList struct {603f8266-b48b-11d1-9ca5-0060088f9ff7}
#define NS_CSS_LIST_SID \
{0x603f8266, 0xb48b, 0x11d1, {0x9c, 0xa5, 0x00, 0x60, 0x08, 0x8f, 0x9f, 0xf7}}
// SID for the nsCSSTable struct {16aa4b30-5a3b-11d2-803b-006008159b5a}
#define NS_CSS_TABLE_SID \
{0x16aa4b30, 0x5a3b, 0x11d2, {0x80, 0x3b, 0x00, 0x60, 0x08, 0x15, 0x9b, 0x5a}}
// SID for the nsCSSBreaks struct {15124c20-5a3b-11d2-803b-006008159b5a}
#define NS_CSS_BREAKS_SID \
{0x15124c20, 0x5a3b, 0x11d2, {0x80, 0x3b, 0x00, 0x60, 0x08, 0x15, 0x9b, 0x5a}}
// SID for the nsCSSPage struct {15dd8810-5a3b-11d2-803b-006008159b5a}
#define NS_CSS_PAGE_SID \
{0x15dd8810, 0x5a3b, 0x11d2, {0x80, 0x3b, 0x00, 0x60, 0x08, 0x15, 0x9b, 0x5a}}
// SID for the nsCSSContent struct {1629ef70-5a3b-11d2-803b-006008159b5a}
#define NS_CSS_CONTENT_SID \
{0x1629ef70, 0x5a3b, 0x11d2, {0x80, 0x3b, 0x00, 0x60, 0x08, 0x15, 0x9b, 0x5a}}
// SID for the nsCSSUserInterface struct {4397c3a0-3efe-11d3-8060-006008159b5a}
#define NS_CSS_USER_INTERFACE_SID \
{0x4397c3a0, 0x3efe, 0x11d3, {0x80, 0x60, 0x00, 0x60, 0x08, 0x15, 0x9b, 0x5a}}
// SID for the nsCSSAural struct {166d2bb0-5a3b-11d2-803b-006008159b5a}
#define NS_CSS_AURAL_SID \
{0x166d2bb0, 0x5a3b, 0x11d2, {0x80, 0x3b, 0x00, 0x60, 0x08, 0x15, 0x9b, 0x5a}}
#ifdef INCLUDE_XUL
// {FC075D62-B1CF-47a1-AF4E-CB40E11A4314}
#define NS_CSS_XUL_SID \
{ 0xfc075d62, 0xb1cf, 0x47a1, { 0xaf, 0x4e, 0xcb, 0x40, 0xe1, 0x1a, 0x43, 0x14 } }
#endif
#ifdef MOZ_SVG
// {9A41A036-027B-45ef-89C9-6E32797839E7}
#define NS_CSS_SVG_SID \
{ 0x9a41a036, 0x27b, 0x45ef, { 0x89, 0xc9, 0x6e, 0x32, 0x79, 0x78, 0x39, 0xe7 } }
#endif
struct nsCSSFont : public nsCSSStruct {
nsCSSFont(void);
nsCSSFont(const nsCSSFont& aCopy);
~nsCSSFont(void);
const nsID& GetID(void);
#ifdef DEBUG
void List(FILE* out = stdout, PRInt32 aIndent = 0) const;
#endif
nsCSSValue mFamily;
nsCSSValue mStyle;
nsCSSValue mVariant;
nsCSSValue mWeight;
nsCSSValue mSize;
nsCSSValue mSizeAdjust; // NEW
nsCSSValue mStretch; // NEW
};
struct nsRuleDataFont : public nsCSSFont {
PRBool mFamilyFromHTML; // Is the family from an HTML FONT element
};
struct nsCSSValueList {
nsCSSValueList(void);
nsCSSValueList(const nsCSSValueList& aCopy);
~nsCSSValueList(void);
nsCSSValue mValue;
nsCSSValueList* mNext;
};
struct nsCSSColor : public nsCSSStruct {
nsCSSColor(void);
nsCSSColor(const nsCSSColor& aCopy);
~nsCSSColor(void);
const nsID& GetID(void);
#ifdef DEBUG
void List(FILE* out = stdout, PRInt32 aIndent = 0) const;
#endif
nsCSSValue mColor;
nsCSSValue mBackColor;
nsCSSValue mBackImage;
nsCSSValue mBackRepeat;
nsCSSValue mBackAttachment;
nsCSSValue mBackPositionX;
nsCSSValue mBackPositionY;
nsCSSValue mBackClip;
nsCSSValue mBackOrigin;
};
struct nsRuleDataColor : public nsCSSColor {
};
struct nsCSSShadow {
nsCSSShadow(void);
nsCSSShadow(const nsCSSShadow& aCopy);
~nsCSSShadow(void);
nsCSSValue mColor;
nsCSSValue mXOffset;
nsCSSValue mYOffset;
nsCSSValue mRadius;
nsCSSShadow* mNext;
};
struct nsCSSText : public nsCSSStruct {
nsCSSText(void);
nsCSSText(const nsCSSText& aCopy);
~nsCSSText(void);
const nsID& GetID(void);
#ifdef DEBUG
void List(FILE* out = stdout, PRInt32 aIndent = 0) const;
#endif
nsCSSValue mWordSpacing;
nsCSSValue mLetterSpacing;
nsCSSValue mVerticalAlign;
nsCSSValue mTextTransform;
nsCSSValue mTextAlign;
nsCSSValue mTextIndent;
nsCSSValue mDecoration;
nsCSSShadow* mTextShadow; // NEW
nsCSSValue mUnicodeBidi; // NEW
nsCSSValue mLineHeight;
nsCSSValue mWhiteSpace;
};
struct nsRuleDataText : public nsCSSText {
};
struct nsCSSRect {
nsCSSRect(void);
nsCSSRect(const nsCSSRect& aCopy);
~nsCSSRect();
#ifdef DEBUG
void List(FILE* out = 0, nsCSSProperty aPropID = eCSSProperty_UNKNOWN, PRInt32 aIndent = 0) const;
void List(FILE* out, PRInt32 aIndent, const nsCSSProperty aTRBL[]) const;
#endif
nsCSSValue mTop;
nsCSSValue mRight;
nsCSSValue mBottom;
nsCSSValue mLeft;
};
struct nsCSSDisplay : public nsCSSStruct {
nsCSSDisplay(void);
nsCSSDisplay(const nsCSSDisplay& aCopy);
~nsCSSDisplay(void);
const nsID& GetID(void);
#ifdef DEBUG
void List(FILE* out = stdout, PRInt32 aIndent = 0) const;
#endif
nsCSSValue mDirection;
nsCSSValue mDisplay;
nsCSSValue mBinding;
nsCSSValue mAppearance;
nsCSSValue mPosition;
nsCSSValue mFloat;
nsCSSValue mClear;
nsCSSRect* mClip;
nsCSSValue mOverflow;
nsCSSValue mVisibility;
nsCSSValue mOpacity;
// temp fix for bug 24000
nsCSSValue mBreakBefore;
nsCSSValue mBreakAfter;
// end temp fix
};
struct nsRuleDataDisplay : public nsCSSDisplay {
nsCSSValue mLang;
};
struct nsCSSMargin : public nsCSSStruct {
nsCSSMargin(void);
nsCSSMargin(const nsCSSMargin& aCopy);
~nsCSSMargin(void);
const nsID& GetID(void);
#ifdef DEBUG
void List(FILE* out = stdout, PRInt32 aIndent = 0) const;
#endif
void EnsureBorderColors();
nsCSSRect* mMargin;
nsCSSRect* mPadding;
nsCSSRect* mBorderWidth;
nsCSSRect* mBorderColor;
nsCSSValueList** mBorderColors;
nsCSSRect* mBorderStyle;
nsCSSRect* mBorderRadius; // (extension)
nsCSSValue mOutlineWidth;
nsCSSValue mOutlineColor;
nsCSSValue mOutlineStyle;
nsCSSRect* mOutlineRadius; // (extension)
nsCSSValue mFloatEdge; // NEW
};
struct nsRuleDataMargin : public nsCSSMargin {
};
struct nsCSSPosition : public nsCSSStruct {
nsCSSPosition(void);
nsCSSPosition(const nsCSSPosition& aCopy);
~nsCSSPosition(void);
const nsID& GetID(void);
#ifdef DEBUG
void List(FILE* out = stdout, PRInt32 aIndent = 0) const;
#endif
nsCSSValue mWidth;
nsCSSValue mMinWidth;
nsCSSValue mMaxWidth;
nsCSSValue mHeight;
nsCSSValue mMinHeight;
nsCSSValue mMaxHeight;
nsCSSValue mBoxSizing; // NEW
nsCSSRect* mOffset;
nsCSSValue mZIndex;
};
struct nsRuleDataPosition : public nsCSSPosition {
};
struct nsCSSList : public nsCSSStruct {
nsCSSList(void);
nsCSSList(const nsCSSList& aCopy);
~nsCSSList(void);
const nsID& GetID(void);
#ifdef DEBUG
void List(FILE* out = stdout, PRInt32 aIndent = 0) const;
#endif
nsCSSValue mType;
nsCSSValue mImage;
nsCSSValue mPosition;
nsCSSRect* mImageRegion;
};
struct nsRuleDataList : public nsCSSList {
};
struct nsCSSTable : public nsCSSStruct { // NEW
nsCSSTable(void);
nsCSSTable(const nsCSSTable& aCopy);
~nsCSSTable(void);
const nsID& GetID(void);
#ifdef DEBUG
void List(FILE* out = stdout, PRInt32 aIndent = 0) const;
#endif
nsCSSValue mBorderCollapse;
nsCSSValue mBorderSpacingX;
nsCSSValue mBorderSpacingY;
nsCSSValue mCaptionSide;
nsCSSValue mEmptyCells;
nsCSSValue mLayout;
nsCSSValue mFrame; // Not mappable via CSS, only using HTML4 table attrs.
nsCSSValue mRules; // Not mappable via CSS, only using HTML4 table attrs.
nsCSSValue mSpan; // Not mappable via CSS, only using HTML4 table attrs.
nsCSSValue mCols; // Not mappable via CSS, only using HTML4 table attrs.
};
struct nsRuleDataTable : public nsCSSTable {
};
struct nsCSSBreaks : public nsCSSStruct { // NEW
nsCSSBreaks(void);
nsCSSBreaks(const nsCSSBreaks& aCopy);
~nsCSSBreaks(void);
const nsID& GetID(void);
#ifdef DEBUG
void List(FILE* out = stdout, PRInt32 aIndent = 0) const;
#endif
nsCSSValue mOrphans;
nsCSSValue mWidows;
nsCSSValue mPage;
nsCSSValue mPageBreakAfter;
nsCSSValue mPageBreakBefore;
nsCSSValue mPageBreakInside;
};
struct nsRuleDataBreaks : public nsCSSBreaks {
};
struct nsCSSPage : public nsCSSStruct { // NEW
nsCSSPage(void);
nsCSSPage(const nsCSSPage& aCopy);
~nsCSSPage(void);
const nsID& GetID(void);
#ifdef DEBUG
void List(FILE* out = stdout, PRInt32 aIndent = 0) const;
#endif
nsCSSValue mMarks;
nsCSSValue mSizeWidth;
nsCSSValue mSizeHeight;
};
struct nsRuleDataPage : public nsCSSPage {
};
struct nsCSSCounterData {
nsCSSCounterData(void);
nsCSSCounterData(const nsCSSCounterData& aCopy);
~nsCSSCounterData(void);
nsCSSValue mCounter;
nsCSSValue mValue;
nsCSSCounterData* mNext;
};
struct nsCSSQuotes {
nsCSSQuotes(void);
nsCSSQuotes(const nsCSSQuotes& aCopy);
~nsCSSQuotes(void);
nsCSSValue mOpen;
nsCSSValue mClose;
nsCSSQuotes* mNext;
};
struct nsCSSContent : public nsCSSStruct {
nsCSSContent(void);
nsCSSContent(const nsCSSContent& aCopy);
~nsCSSContent(void);
const nsID& GetID(void);
#ifdef DEBUG
void List(FILE* out = stdout, PRInt32 aIndent = 0) const;
#endif
nsCSSValueList* mContent;
nsCSSCounterData* mCounterIncrement;
nsCSSCounterData* mCounterReset;
nsCSSValue mMarkerOffset;
nsCSSQuotes* mQuotes;
};
struct nsRuleDataContent : public nsCSSContent {
};
struct nsCSSUserInterface : public nsCSSStruct { // NEW
nsCSSUserInterface(void);
nsCSSUserInterface(const nsCSSUserInterface& aCopy);
~nsCSSUserInterface(void);
const nsID& GetID(void);
#ifdef DEBUG
void List(FILE* out = stdout, PRInt32 aIndent = 0) const;
#endif
nsCSSValue mUserInput;
nsCSSValue mUserModify;
nsCSSValue mUserSelect;
nsCSSValueList* mKeyEquivalent;
nsCSSValue mUserFocus;
nsCSSValue mResizer;
nsCSSValueList* mCursor;
nsCSSValue mForceBrokenImageIcon;
};
struct nsRuleDataUserInterface : public nsCSSUserInterface {
};
struct nsCSSAural : public nsCSSStruct { // NEW
nsCSSAural(void);
nsCSSAural(const nsCSSAural& aCopy);
~nsCSSAural(void);
const nsID& GetID(void);
#ifdef DEBUG
void List(FILE* out = stdout, PRInt32 aIndent = 0) const;
#endif
nsCSSValue mAzimuth;
nsCSSValue mElevation;
nsCSSValue mCueAfter;
nsCSSValue mCueBefore;
nsCSSValue mPauseAfter;
nsCSSValue mPauseBefore;
nsCSSValue mPitch;
nsCSSValue mPitchRange;
nsCSSValue mPlayDuring;
nsCSSValue mPlayDuringFlags;
nsCSSValue mRichness;
nsCSSValue mSpeak;
nsCSSValue mSpeakHeader;
nsCSSValue mSpeakNumeral;
nsCSSValue mSpeakPunctuation;
nsCSSValue mSpeechRate;
nsCSSValue mStress;
nsCSSValue mVoiceFamily;
nsCSSValue mVolume;
};
struct nsRuleDataAural : public nsCSSAural {
};
#ifdef INCLUDE_XUL
struct nsCSSXUL : public nsCSSStruct {
nsCSSXUL(void);
nsCSSXUL(const nsCSSXUL& aCopy);
~nsCSSXUL(void);
const nsID& GetID(void);
#ifdef DEBUG
void List(FILE* out = stdout, PRInt32 aIndent = 0) const;
#endif
nsCSSValue mBoxAlign;
nsCSSValue mBoxDirection;
nsCSSValue mBoxFlex;
nsCSSValue mBoxOrient;
nsCSSValue mBoxPack;
nsCSSValue mBoxOrdinal;
};
struct nsRuleDataXUL : public nsCSSXUL {
};
#endif
#ifdef MOZ_SVG
struct nsCSSSVG : public nsCSSStruct {
nsCSSSVG(void);
nsCSSSVG(const nsCSSSVG& aCopy);
~nsCSSSVG(void);
const nsID& GetID(void);
#ifdef DEBUG
void List(FILE* out = stdout, PRInt32 aIndent = 0) const;
#endif
nsCSSValue mFill;
nsCSSValue mFillOpacity;
nsCSSValue mFillRule;
nsCSSValue mStroke;
nsCSSValue mStrokeDasharray;
nsCSSValue mStrokeDashoffset;
nsCSSValue mStrokeLinecap;
nsCSSValue mStrokeLinejoin;
nsCSSValue mStrokeMiterlimit;
nsCSSValue mStrokeOpacity;
nsCSSValue mStrokeWidth;
};
struct nsRuleDataSVG : public nsCSSSVG {
};
#endif
//
// Some useful types.
//
typedef PRUint16 nsCSSBitField;
typedef PRUint16 nsCSSDeclRefCount;
struct nsCSSDeclContains
{
nsCSSBitField mHasDisplay:1; // 1
nsCSSBitField mHasText:1; // 2
nsCSSBitField mHasColor:1; // 3
nsCSSBitField mHasMargin:1; // 4
nsCSSBitField mHasList:1; // 4
nsCSSBitField mHasFont:1; // 5
nsCSSBitField mHasPosition:1; // 6
nsCSSBitField mHasUserInterface:1; // 8
nsCSSBitField mHasTable:1; // 9
nsCSSBitField mHasContent:1; // 10
#if defined(INCLUDE_XUL)
nsCSSBitField mHasXUL:1; // 11
#endif
nsCSSBitField mHasBreaks:1; // 12
nsCSSBitField mHasPage:1; // 13
nsCSSBitField mHasAural:1; // 14
#if defined(MOZ_SVG)
nsCSSBitField mHasSVG:1; // 15
#endif
};
//
// Macros used to figure out at what index the pointer to the object is.
// These macros have been placed in the order of what is considered most
// created nsCSSStruct first, such that "less math for most likely" will
// lend itself to the speed of the index lookup calculation.
// I have also ordered the bit fields, in case the compiler can come up
// with an optimization if the ordering would matter.
// Presence (mContains.mHasWhatever) is NOT tested for, so do that yourself.
//
#define CSSDECLIDX_Display(decl) ((decl).mContains.mHasDisplay - 1)
#define CSSDECLIDX_Text(decl) ((decl).mContains.mHasText + CSSDECLIDX_Display(decl))
#define CSSDECLIDX_Color(decl) ((decl).mContains.mHasColor + CSSDECLIDX_Text(decl))
#define CSSDECLIDX_Margin(decl) ((decl).mContains.mHasMargin + CSSDECLIDX_Color(decl))
#define CSSDECLIDX_List(decl) ((decl).mContains.mHasList + CSSDECLIDX_Margin(decl))
#define CSSDECLIDX_Font(decl) ((decl).mContains.mHasFont + CSSDECLIDX_List(decl))
#define CSSDECLIDX_Position(decl) ((decl).mContains.mHasPosition + CSSDECLIDX_Font(decl))
#define CSSDECLIDX_UserInterface(decl) ((decl).mContains.mHasUserInterface + CSSDECLIDX_Position(decl))
#define CSSDECLIDX_Table(decl) ((decl).mContains.mHasTable + CSSDECLIDX_UserInterface(decl))
#define CSSDECLIDX_Content(decl) ((decl).mContains.mHasContent + CSSDECLIDX_Table(decl))
#if defined(INCLUDE_XUL)
#define CSSDECLIDX_XUL(decl) ((decl).mContains.mHasXUL + CSSDECLIDX_Content(decl))
#endif
#if !defined(INCLUDE_XUL)
#define CSSDECLIDX_Breaks(decl) ((decl).mContains.mHasBreaks + CSSDECLIDX_Content(decl))
#else
#define CSSDECLIDX_Breaks(decl) ((decl).mContains.mHasBreaks + CSSDECLIDX_XUL(decl))
#endif
#define CSSDECLIDX_Page(decl) ((decl).mContains.mHasPage + CSSDECLIDX_Breaks(decl))
#define CSSDECLIDX_Aural(decl) ((decl).mContains.mHasAural + CSSDECLIDX_Page(decl))
#if defined(MOZ_SVG)
#define CSSDECLIDX_SVG(decl) ((decl).mContains.mHasSVG + CSSDECLIDX_Aural(decl))
#endif
// --- nsCSSDeclaration -----------------
class nsCSSDeclaration {
public:
nsCSSDeclaration(void);
nsCSSDeclaration(const nsCSSDeclaration& aCopy);
public:
NS_DECL_ZEROING_OPERATOR_NEW
nsCSSStruct* GetData(const nsID& aSID);
nsCSSStruct* EnsureData(const nsID& aSID);
nsresult AppendValue(nsCSSProperty aProperty, const nsCSSValue& aValue);
nsresult AppendStructValue(nsCSSProperty aProperty, void* aStruct);
nsresult SetValueImportant(nsCSSProperty aProperty);
nsresult AppendComment(const nsAString& aComment);
nsresult RemoveProperty(nsCSSProperty aProperty, nsCSSValue& aValue);
nsresult GetValue(nsCSSProperty aProperty, nsCSSValue& aValue);
nsresult GetValue(nsCSSProperty aProperty, nsAString& aValue);
nsresult GetValue(const nsAString& aProperty, nsAString& aValue);
nsCSSDeclaration* GetImportantValues();
PRBool GetValueIsImportant(nsCSSProperty aProperty);
PRBool GetValueIsImportant(const nsAString& aProperty);
PRUint32 Count();
nsresult GetNthProperty(PRUint32 aIndex, nsAString& aReturn);
nsChangeHint GetStyleImpact() const;
nsresult ToString(nsAString& aString);
nsCSSDeclaration* Clone() const;
#ifdef DEBUG
void List(FILE* out = stdout, PRInt32 aIndent = 0) const;
void SizeOf(nsISizeOfHandler *aSizeOfHandler, PRUint32 &aSize);
#endif
protected:
nsresult RemoveProperty(nsCSSProperty aProperty);
private:
nsresult GetValueOrImportantValue(nsCSSProperty aProperty, nsCSSValue& aValue);
void AppendImportanceToString(PRBool aIsImportant, nsAString& aString);
PRBool AppendValueToString(nsCSSProperty aProperty, nsAString& aResult);
PRBool AppendValueOrImportantValueToString(nsCSSProperty aProperty, nsAString& aResult);
PRBool AppendValueToString(nsCSSProperty aProperty, const nsCSSValue& aValue, nsAString& aResult);
nsCSSDeclaration& operator=(const nsCSSDeclaration& aCopy);
PRBool operator==(const nsCSSDeclaration& aCopy) const;
void PropertyIsSet(PRInt32 & aPropertyIndex, PRInt32 aIndex, PRUint32 & aSet, PRUint32 aValue);
PRBool TryBorderShorthand(nsAString & aString, PRUint32 aPropertiesSet,
PRInt32 aBorderTopWidth,
PRInt32 aBorderTopStyle,
PRInt32 aBorderTopColor,
PRInt32 aBorderBottomWidth,
PRInt32 aBorderBottomStyle,
PRInt32 aBorderBottomColor,
PRInt32 aBorderLeftWidth,
PRInt32 aBorderLeftStyle,
PRInt32 aBorderLeftColor,
PRInt32 aBorderRightWidth,
PRInt32 aBorderRightStyle,
PRInt32 aBorderRightColor);
PRBool TryBorderSideShorthand(nsAString & aString,
nsCSSProperty aShorthand,
PRInt32 aBorderWidth,
PRInt32 aBorderStyle,
PRInt32 aBorderColor);
PRBool TryFourSidesShorthand(nsAString & aString,
nsCSSProperty aShorthand,
PRInt32 & aTop,
PRInt32 & aBottom,
PRInt32 & aLeft,
PRInt32 & aRight,
PRBool aClearIndexes);
void DoClipShorthand(nsAString & aString,
PRInt32 aTop,
PRInt32 aBottom,
PRInt32 aLeft,
PRInt32 aRight);
void TryBackgroundShorthand(nsAString & aString,
PRInt32 & aBgColor, PRInt32 & aBgImage,
PRInt32 & aBgRepeat, PRInt32 & aBgAttachment,
PRInt32 & aBgPositionX,
PRInt32 & aBgPositionY);
void UseBackgroundPosition(nsAString & aString,
PRInt32 & aBgPositionX,
PRInt32 & aBgPositionY);
PRBool AllPropertiesSameImportance(PRInt32 aFirst, PRInt32 aSecond,
PRInt32 aThird, PRInt32 aFourth,
PRInt32 aFifth, PRInt32 aSixth,
PRBool & aImportance);
PRBool AllPropertiesSameValue(PRInt32 aFirst, PRInt32 aSecond,
PRInt32 aThird, PRInt32 aFourth);
void AppendPropertyAndValueToString(nsCSSProperty aProperty,
nsAString& aResult);
protected:
//
// Specialized ref counting.
// We do not want everyone to ref count us, only the rules which hold
// onto us (our well defined lifetime is when the last rule releases
// us).
// It's worth a comment here that the main nsCSSDeclaration is refcounted,
// but it's |mImportant| is not refcounted, but just owned by the
// non-important declaration.
//
friend class CSSStyleRuleImpl;
void AddRef(void) {
mRuleRefs++;
}
void Release(void) {
NS_ASSERTION(0 < mRuleRefs, "bad Release");
if (0 == --mRuleRefs) {
delete this;
}
}
public:
void RuleAbort(void) {
NS_ASSERTION(0 == mRuleRefs, "bad RuleAbort");
delete this;
}
protected:
//
// Block everyone, except us or a derivitive, from deleting us.
//
~nsCSSDeclaration(void);
private:
nsValueArray* mOrder;
nsCSSDeclaration* mImportant;
nsSmallVoidArray mStructs;
//
// Keep these two together, as they should pack.
//
nsCSSDeclRefCount mRuleRefs;
nsCSSDeclContains mContains;
};
extern NS_EXPORT nsresult
NS_NewCSSDeclaration(nsCSSDeclaration** aInstancePtrResult);
#endif /* nsCSSDeclaration_h___ */
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