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gecko-dev/layout/style/nsCSSDeclaration.cpp

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40 KiB
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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.
*/
#include "nsICSSDeclaration.h"
#include "nsString.h"
#include "nsCRT.h"
#include "nsCSSProps.h"
#include "nsCSSPropIDs.h"
#include "nsUnitConversion.h"
//#define DEBUG_REFS
static NS_DEFINE_IID(kCSSFontSID, NS_CSS_FONT_SID);
static NS_DEFINE_IID(kCSSColorSID, NS_CSS_COLOR_SID);
static NS_DEFINE_IID(kCSSDisplaySID, NS_CSS_DISPLAY_SID);
static NS_DEFINE_IID(kCSSTextSID, NS_CSS_TEXT_SID);
static NS_DEFINE_IID(kCSSMarginSID, NS_CSS_MARGIN_SID);
static NS_DEFINE_IID(kCSSPositionSID, NS_CSS_POSITION_SID);
static NS_DEFINE_IID(kCSSListSID, NS_CSS_LIST_SID);
static NS_DEFINE_IID(kICSSDeclarationIID, NS_ICSS_DECLARATION_IID);
nsCSSValue::nsCSSValue(void)
: mUnit(eCSSUnit_Null)
{
mValue.mInt = 0;
}
nsCSSValue::nsCSSValue(PRInt32 aValue, nsCSSUnit aUnit)
: mUnit(aUnit)
{
mValue.mInt = aValue;
}
nsCSSValue::nsCSSValue(float aValue, nsCSSUnit aUnit)
: mUnit(aUnit)
{
mValue.mFloat = aValue;
}
nsCSSValue::nsCSSValue(const nsString& aValue)
: mUnit(eCSSUnit_String)
{
mValue.mString = aValue.ToNewString();
}
nsCSSValue::nsCSSValue(nscolor aValue)
: mUnit(eCSSUnit_Color)
{
mValue.mColor = aValue;
}
nsCSSValue::nsCSSValue(const nsCSSValue& aCopy)
: mUnit(aCopy.mUnit)
{
if (eCSSUnit_String == mUnit) {
if (nsnull != aCopy.mValue.mString) {
mValue.mString = (aCopy.mValue.mString)->ToNewString();
}
else {
mValue.mString = nsnull;
}
}
else if ((eCSSUnit_Absolute <= mUnit) && (mUnit <= eCSSUnit_Enumerated)) {
mValue.mInt = aCopy.mValue.mInt;
}
else if (eCSSUnit_Color == mUnit){
mValue.mColor = aCopy.mValue.mColor;
}
else {
mValue.mFloat = aCopy.mValue.mFloat;
}
}
nsCSSValue::~nsCSSValue(void)
{
Reset();
}
nsCSSValue& nsCSSValue::operator=(const nsCSSValue& aCopy)
{
Reset();
mUnit = aCopy.mUnit;
if (eCSSUnit_String == mUnit) {
if (nsnull != aCopy.mValue.mString) {
mValue.mString = (aCopy.mValue.mString)->ToNewString();
}
}
else if ((eCSSUnit_Absolute <= mUnit) && (mUnit <= eCSSUnit_Enumerated)) {
mValue.mInt = aCopy.mValue.mInt;
}
else if (eCSSUnit_Color == mUnit){
mValue.mColor = aCopy.mValue.mColor;
}
else {
mValue.mFloat = aCopy.mValue.mFloat;
}
return *this;
}
PRBool nsCSSValue::operator==(const nsCSSValue& aOther) const
{
if (mUnit == aOther.mUnit) {
if (eCSSUnit_String == mUnit) {
if (nsnull == mValue.mString) {
if (nsnull == aOther.mValue.mString) {
return PR_TRUE;
}
}
else if (nsnull != aOther.mValue.mString) {
return mValue.mString->Equals(*(aOther.mValue.mString));
}
}
else if ((eCSSUnit_Absolute <= mUnit) && (mUnit < eCSSUnit_Percent)) {
return PRBool(mValue.mInt == aOther.mValue.mInt);
}
else if (eCSSUnit_Color == mUnit){
return PRBool(mValue.mColor == aOther.mValue.mColor);
}
else {
return PRBool(mValue.mFloat == aOther.mValue.mFloat);
}
}
return PR_FALSE;
}
nscoord nsCSSValue::GetLengthTwips(void) const
{
NS_ASSERTION(IsFixedLengthUnit(), "not a fixed length unit");
if (IsFixedLengthUnit()) {
switch (mUnit) {
case eCSSUnit_Inch:
return (nscoord)NS_INCHES_TO_TWIPS(mValue.mFloat);
case eCSSUnit_Foot:
return (nscoord)NS_FEET_TO_TWIPS(mValue.mFloat);
case eCSSUnit_Mile:
return (nscoord)NS_MILES_TO_TWIPS(mValue.mFloat);
case eCSSUnit_Millimeter:
return (nscoord)NS_MILLIMETERS_TO_TWIPS(mValue.mFloat);
case eCSSUnit_Centimeter:
return (nscoord)NS_CENTIMETERS_TO_TWIPS(mValue.mFloat);
case eCSSUnit_Meter:
return (nscoord)NS_METERS_TO_TWIPS(mValue.mFloat);
case eCSSUnit_Kilometer:
return (nscoord)NS_KILOMETERS_TO_TWIPS(mValue.mFloat);
case eCSSUnit_Point:
return (nscoord)NS_POINTS_TO_TWIPS_FLOAT(mValue.mFloat);
case eCSSUnit_Pica:
return (nscoord)NS_PICAS_TO_TWIPS(mValue.mFloat);
case eCSSUnit_Didot:
return (nscoord)NS_DIDOTS_TO_TWIPS(mValue.mFloat);
case eCSSUnit_Cicero:
return (nscoord)NS_CICEROS_TO_TWIPS(mValue.mFloat);
}
}
return 0;
}
void nsCSSValue::Reset(void)
{
if ((eCSSUnit_String == mUnit) && (nsnull != mValue.mString)) {
delete mValue.mString;
}
mUnit = eCSSUnit_Null;
mValue.mInt = 0;
};
void nsCSSValue::Set(PRInt32 aValue, nsCSSUnit aUnit)
{
Reset();
mUnit = aUnit;
mValue.mInt = aValue;
}
void nsCSSValue::Set(float aValue, nsCSSUnit aUnit)
{
Reset();
mUnit = aUnit;
mValue.mFloat = aValue;
}
void nsCSSValue::Set(const nsString& aValue)
{
Reset();
mUnit = eCSSUnit_String;
mValue.mString = aValue.ToNewString();
}
void nsCSSValue::Set(nscolor aValue)
{
Reset();
mUnit = eCSSUnit_Color;
mValue.mColor = aValue;
}
void nsCSSValue::AppendToString(nsString& aBuffer, PRInt32 aPropID) const
{
if (eCSSUnit_Null == mUnit) {
return;
}
if (-1 < aPropID) {
aBuffer.Append(nsCSSProps::kNameTable[aPropID].name);
aBuffer.Append(": ");
}
if (eCSSUnit_String == mUnit) {
if (nsnull != mValue.mString) {
aBuffer.Append('"');
aBuffer.Append(*(mValue.mString));
aBuffer.Append('"');
}
else {
aBuffer.Append("null str");
}
}
else if ((eCSSUnit_Absolute <= mUnit) && (mUnit <= eCSSUnit_Enumerated)) {
aBuffer.Append(mValue.mInt, 10);
aBuffer.Append("[0x");
aBuffer.Append(mValue.mInt, 16);
aBuffer.Append(']');
}
else if (eCSSUnit_Color == mUnit){
aBuffer.Append("(0x");
aBuffer.Append(NS_GET_R(mValue.mColor), 16);
aBuffer.Append(" 0x");
aBuffer.Append(NS_GET_G(mValue.mColor), 16);
aBuffer.Append(" 0x");
aBuffer.Append(NS_GET_B(mValue.mColor), 16);
aBuffer.Append(" 0x");
aBuffer.Append(NS_GET_A(mValue.mColor), 16);
aBuffer.Append(')');
}
else if (eCSSUnit_Percent <= mUnit) {
aBuffer.Append(mValue.mFloat);
}
switch (mUnit) {
case eCSSUnit_Null: break;
case eCSSUnit_Auto: aBuffer.Append("auto"); break;
case eCSSUnit_String: break;
case eCSSUnit_Absolute: aBuffer.Append("abs"); break;
case eCSSUnit_Enumerated: aBuffer.Append("enum"); break;
case eCSSUnit_Color: aBuffer.Append("rbga"); break;
case eCSSUnit_Percent: aBuffer.Append("%"); break;
case eCSSUnit_Number: aBuffer.Append("#"); break;
case eCSSUnit_Inch: aBuffer.Append("in"); break;
case eCSSUnit_Foot: aBuffer.Append("ft"); break;
case eCSSUnit_Mile: aBuffer.Append("mi"); break;
case eCSSUnit_Millimeter: aBuffer.Append("mm"); break;
case eCSSUnit_Centimeter: aBuffer.Append("cm"); break;
case eCSSUnit_Meter: aBuffer.Append("m"); break;
case eCSSUnit_Kilometer: aBuffer.Append("km"); break;
case eCSSUnit_Point: aBuffer.Append("pt"); break;
case eCSSUnit_Pica: aBuffer.Append("pc"); break;
case eCSSUnit_Didot: aBuffer.Append("dt"); break;
case eCSSUnit_Cicero: aBuffer.Append("cc"); break;
case eCSSUnit_EM: aBuffer.Append("em"); break;
case eCSSUnit_EN: aBuffer.Append("en"); break;
case eCSSUnit_XHeight: aBuffer.Append("ex"); break;
case eCSSUnit_CapHeight: aBuffer.Append("cap"); break;
case eCSSUnit_Pixel: aBuffer.Append("px"); break;
}
aBuffer.Append(' ');
}
void nsCSSValue::ToString(nsString& aBuffer, PRInt32 aPropID) const
{
aBuffer.SetLength(0);
AppendToString(aBuffer, aPropID);
}
const nsID& nsCSSFont::GetID(void)
{
return kCSSFontSID;
}
void nsCSSFont::List(FILE* out, PRInt32 aIndent) const
{
for (PRInt32 index = aIndent; --index >= 0; ) fputs(" ", out);
nsAutoString buffer;
mFamily.AppendToString(buffer, PROP_FONT_FAMILY);
mStyle.AppendToString(buffer, PROP_FONT_STYLE);
mVariant.AppendToString(buffer, PROP_FONT_VARIANT);
mWeight.AppendToString(buffer, PROP_FONT_WEIGHT);
mSize.AppendToString(buffer, PROP_FONT_SIZE);
fputs(buffer, out);
}
const nsID& nsCSSColor::GetID(void)
{
return kCSSColorSID;
}
void nsCSSColor::List(FILE* out, PRInt32 aIndent) const
{
for (PRInt32 index = aIndent; --index >= 0; ) fputs(" ", out);
nsAutoString buffer;
mColor.AppendToString(buffer, PROP_COLOR);
mBackColor.AppendToString(buffer, PROP_BACKGROUND_COLOR);
mBackImage.AppendToString(buffer, PROP_BACKGROUND_IMAGE);
mBackRepeat.AppendToString(buffer, PROP_BACKGROUND_REPEAT);
mBackAttachment.AppendToString(buffer, PROP_BACKGROUND_ATTACHMENT);
mBackPositionX.AppendToString(buffer, PROP_BACKGROUND_X_POSITION);
mBackPositionY.AppendToString(buffer, PROP_BACKGROUND_Y_POSITION);
mBackFilter.AppendToString(buffer, PROP_BACKGROUND_FILTER);
mCursor.AppendToString(buffer, PROP_CURSOR);
mCursorImage.AppendToString(buffer, PROP_CURSOR_IMAGE);
fputs(buffer, out);
}
const nsID& nsCSSText::GetID(void)
{
return kCSSTextSID;
}
void nsCSSText::List(FILE* out, PRInt32 aIndent) const
{
for (PRInt32 index = aIndent; --index >= 0; ) fputs(" ", out);
nsAutoString buffer;
mWordSpacing.AppendToString(buffer, PROP_WORD_SPACING);
mLetterSpacing.AppendToString(buffer, PROP_LETTER_SPACING);
mDecoration.AppendToString(buffer, PROP_TEXT_DECORATION);
mVerticalAlign.AppendToString(buffer, PROP_VERTICAL_ALIGN);
mTextTransform.AppendToString(buffer, PROP_TEXT_TRANSFORM);
mTextAlign.AppendToString(buffer, PROP_TEXT_ALIGN);
mTextIndent.AppendToString(buffer, PROP_TEXT_INDENT);
mLineHeight.AppendToString(buffer, PROP_LINE_HEIGHT);
mWhiteSpace.AppendToString(buffer, PROP_WHITE_SPACE);
fputs(buffer, out);
}
const nsID& nsCSSDisplay::GetID(void)
{
return kCSSDisplaySID;
}
void nsCSSDisplay::List(FILE* out, PRInt32 aIndent) const
{
for (PRInt32 index = aIndent; --index >= 0; ) fputs(" ", out);
nsAutoString buffer;
mDirection.AppendToString(buffer, PROP_DIRECTION);
mDisplay.AppendToString(buffer, PROP_DISPLAY);
mFloat.AppendToString(buffer, PROP_FLOAT);
mClear.AppendToString(buffer, PROP_CLEAR);
fputs(buffer, out);
}
void nsCSSRect::List(FILE* out, PRInt32 aPropID, PRInt32 aIndent) const
{
for (PRInt32 index = aIndent; --index >= 0; ) fputs(" ", out);
nsAutoString buffer;
if (-1 < aPropID) {
buffer.Append(nsCSSProps::kNameTable[aPropID].name);
buffer.Append(": ");
}
mTop.AppendToString(buffer);
mRight.AppendToString(buffer);
mBottom.AppendToString(buffer);
mLeft.AppendToString(buffer);
fputs(buffer, out);
}
nsCSSMargin::nsCSSMargin(void)
: mMargin(nsnull), mPadding(nsnull), mBorder(nsnull), mColor(nsnull), mStyle(nsnull)
{
}
nsCSSMargin::~nsCSSMargin(void)
{
if (nsnull != mMargin) {
delete mMargin;
}
if (nsnull != mPadding) {
delete mPadding;
}
if (nsnull != mBorder) {
delete mBorder;
}
if (nsnull != mColor) {
delete mColor;
}
if (nsnull != mStyle) {
delete mStyle;
}
}
const nsID& nsCSSMargin::GetID(void)
{
return kCSSMarginSID;
}
void nsCSSMargin::List(FILE* out, PRInt32 aIndent) const
{
for (PRInt32 index = aIndent; --index >= 0; ) fputs(" ", out);
if (nsnull != mMargin) {
mMargin->List(out, PROP_MARGIN, aIndent);
}
if (nsnull != mPadding) {
mPadding->List(out, PROP_PADDING, aIndent);
}
if (nsnull != mBorder) {
mBorder->List(out, PROP_BORDER_WIDTH, aIndent);
}
if (nsnull != mColor) {
mColor->List(out, PROP_BORDER_COLOR, aIndent);
}
if (nsnull != mStyle) {
mStyle->List(out, PROP_BORDER_STYLE, aIndent);
}
}
nsCSSPosition::nsCSSPosition(void)
: mClip(nsnull)
{
}
nsCSSPosition::~nsCSSPosition(void)
{
if (nsnull != mClip) {
delete mClip;
}
}
const nsID& nsCSSPosition::GetID(void)
{
return kCSSPositionSID;
}
void nsCSSPosition::List(FILE* out, PRInt32 aIndent) const
{
for (PRInt32 index = aIndent; --index >= 0; ) fputs(" ", out);
nsAutoString buffer;
mPosition.AppendToString(buffer, PROP_POSITION);
mWidth.AppendToString(buffer, PROP_WIDTH);
mHeight.AppendToString(buffer, PROP_HEIGHT);
mLeft.AppendToString(buffer, PROP_LEFT);
mTop.AppendToString(buffer, PROP_TOP);
fputs(buffer, out);
if (nsnull != mClip) {
mClip->List(out, PROP_CLIP);
}
buffer.SetLength(0);
mOverflow.AppendToString(buffer, PROP_OVERFLOW);
mZIndex.AppendToString(buffer, PROP_OVERFLOW);
mVisibility.AppendToString(buffer, PROP_VISIBILITY);
mFilter.AppendToString(buffer, PROP_FILTER);
fputs(buffer, out);
}
const nsID& nsCSSList::GetID(void)
{
return kCSSListSID;
}
void nsCSSList::List(FILE* out, PRInt32 aIndent) const
{
for (PRInt32 index = aIndent; --index >= 0; ) fputs(" ", out);
nsAutoString buffer;
mType.AppendToString(buffer, PROP_LIST_STYLE_TYPE);
mImage.AppendToString(buffer, PROP_LIST_STYLE_IMAGE);
mPosition.AppendToString(buffer, PROP_LIST_STYLE_POSITION);
fputs(buffer, out);
}
class CSSDeclarationImpl : public nsICSSDeclaration {
public:
void* operator new(size_t size);
CSSDeclarationImpl(void);
~CSSDeclarationImpl(void);
NS_DECL_ISUPPORTS
nsresult GetData(const nsID& aSID, nsCSSStruct** aData);
nsresult EnsureData(const nsID& aSID, nsCSSStruct** aData);
nsresult AddValue(const char* aProperty, const nsCSSValue& aValue);
nsresult AddValue(PRInt32 aProperty, const nsCSSValue& aValue);
nsresult GetValue(const char* aProperty, nsCSSValue& aValue);
nsresult GetValue(PRInt32 aProperty, nsCSSValue& aValue);
void List(FILE* out = stdout, PRInt32 aIndent = 0) const;
private:
CSSDeclarationImpl(const CSSDeclarationImpl& aCopy);
CSSDeclarationImpl& operator=(const CSSDeclarationImpl& aCopy);
PRBool operator==(const CSSDeclarationImpl& aCopy) const;
protected:
nsCSSFont* mFont;
nsCSSColor* mColor;
nsCSSText* mText;
nsCSSMargin* mMargin;
nsCSSPosition* mPosition;
nsCSSList* mList;
nsCSSDisplay* mDisplay;
};
#ifdef DEBUG_REFS
static PRInt32 gInstanceCount;
#endif
void* CSSDeclarationImpl::operator new(size_t size)
{
void* result = new char[size];
nsCRT::zero(result, size);
return result;
}
CSSDeclarationImpl::CSSDeclarationImpl(void)
{
NS_INIT_REFCNT();
#ifdef DEBUG_REFS
++gInstanceCount;
fprintf(stdout, "%d + CSSDeclaration\n", gInstanceCount);
#endif
}
CSSDeclarationImpl::~CSSDeclarationImpl(void)
{
if (nsnull != mFont) {
delete mFont;
}
if (nsnull != mColor) {
delete mColor;
}
if (nsnull != mText) {
delete mText;
}
if (nsnull != mMargin) {
delete mMargin;
}
if (nsnull != mPosition) {
delete mPosition;
}
if (nsnull != mList) {
delete mList;
}
if (nsnull != mDisplay) {
delete mDisplay;
}
#ifdef DEBUG_REFS
--gInstanceCount;
fprintf(stdout, "%d - CSSDeclaration\n", gInstanceCount);
#endif
}
NS_IMPL_ISUPPORTS(CSSDeclarationImpl, kICSSDeclarationIID);
nsresult CSSDeclarationImpl::GetData(const nsID& aSID, nsCSSStruct** aDataPtr)
{
if (nsnull == aDataPtr) {
return NS_ERROR_NULL_POINTER;
}
if (aSID.Equals(kCSSFontSID)) {
*aDataPtr = mFont;
}
else if (aSID.Equals(kCSSColorSID)) {
*aDataPtr = mColor;
}
else if (aSID.Equals(kCSSDisplaySID)) {
*aDataPtr = mDisplay;
}
else if (aSID.Equals(kCSSTextSID)) {
*aDataPtr = mText;
}
else if (aSID.Equals(kCSSMarginSID)) {
*aDataPtr = mMargin;
}
else if (aSID.Equals(kCSSPositionSID)) {
*aDataPtr = mPosition;
}
else if (aSID.Equals(kCSSListSID)) {
*aDataPtr = mList;
}
else {
return NS_NOINTERFACE;
}
return NS_OK;
}
nsresult CSSDeclarationImpl::EnsureData(const nsID& aSID, nsCSSStruct** aDataPtr)
{
if (nsnull == aDataPtr) {
return NS_ERROR_NULL_POINTER;
}
if (aSID.Equals(kCSSFontSID)) {
if (nsnull == mFont) {
mFont = new nsCSSFont();
}
*aDataPtr = mFont;
}
else if (aSID.Equals(kCSSColorSID)) {
if (nsnull == mColor) {
mColor = new nsCSSColor();
}
*aDataPtr = mColor;
}
else if (aSID.Equals(kCSSDisplaySID)) {
if (nsnull == mDisplay) {
mDisplay = new nsCSSDisplay();
}
*aDataPtr = mColor;
}
else if (aSID.Equals(kCSSTextSID)) {
if (nsnull == mText) {
mText = new nsCSSText();
}
*aDataPtr = mText;
}
else if (aSID.Equals(kCSSMarginSID)) {
if (nsnull == mMargin) {
mMargin = new nsCSSMargin();
}
*aDataPtr = mMargin;
}
else if (aSID.Equals(kCSSPositionSID)) {
if (nsnull == mPosition) {
mPosition = new nsCSSPosition();
}
*aDataPtr = mPosition;
}
else if (aSID.Equals(kCSSListSID)) {
if (nsnull == mList) {
mList = new nsCSSList();
}
*aDataPtr = mList;
}
else {
return NS_NOINTERFACE;
}
if (nsnull == *aDataPtr) {
return NS_ERROR_OUT_OF_MEMORY;
}
return NS_OK;
}
nsresult CSSDeclarationImpl::AddValue(const char* aProperty, const nsCSSValue& aValue)
{
return AddValue(nsCSSProps::LookupName(aProperty), aValue);
}
nsresult CSSDeclarationImpl::AddValue(PRInt32 aProperty, const nsCSSValue& aValue)
{
nsresult result = NS_OK;
switch (aProperty) {
// nsCSSFont
case PROP_FONT_FAMILY:
case PROP_FONT_STYLE:
case PROP_FONT_VARIANT:
case PROP_FONT_WEIGHT:
case PROP_FONT_SIZE:
if (nsnull == mFont) {
mFont = new nsCSSFont();
}
if (nsnull != mFont) {
switch (aProperty) {
case PROP_FONT_FAMILY: mFont->mFamily = aValue; break;
case PROP_FONT_STYLE: mFont->mStyle = aValue; break;
case PROP_FONT_VARIANT: mFont->mVariant = aValue; break;
case PROP_FONT_WEIGHT: mFont->mWeight = aValue; break;
case PROP_FONT_SIZE: mFont->mSize = aValue; break;
}
}
else {
result = NS_ERROR_OUT_OF_MEMORY;
}
break;
// nsCSSColor
case PROP_COLOR:
case PROP_BACKGROUND_COLOR:
case PROP_BACKGROUND_IMAGE:
case PROP_BACKGROUND_REPEAT:
case PROP_BACKGROUND_ATTACHMENT:
case PROP_BACKGROUND_X_POSITION:
case PROP_BACKGROUND_Y_POSITION:
case PROP_BACKGROUND_FILTER:
case PROP_CURSOR:
case PROP_CURSOR_IMAGE:
if (nsnull == mColor) {
mColor = new nsCSSColor();
}
if (nsnull != mColor) {
switch (aProperty) {
case PROP_COLOR: mColor->mColor = aValue; break;
case PROP_BACKGROUND_COLOR: mColor->mBackColor = aValue; break;
case PROP_BACKGROUND_IMAGE: mColor->mBackImage = aValue; break;
case PROP_BACKGROUND_REPEAT: mColor->mBackRepeat = aValue; break;
case PROP_BACKGROUND_ATTACHMENT: mColor->mBackAttachment = aValue; break;
case PROP_BACKGROUND_X_POSITION: mColor->mBackPositionX = aValue; break;
case PROP_BACKGROUND_Y_POSITION: mColor->mBackPositionY = aValue; break;
case PROP_BACKGROUND_FILTER: mColor->mBackFilter = aValue; break;
case PROP_CURSOR: mColor->mCursor = aValue; break;
case PROP_CURSOR_IMAGE: mColor->mCursorImage = aValue; break;
}
}
else {
result = NS_ERROR_OUT_OF_MEMORY;
}
break;
// nsCSSText
case PROP_WORD_SPACING:
case PROP_LETTER_SPACING:
case PROP_TEXT_DECORATION:
case PROP_VERTICAL_ALIGN:
case PROP_TEXT_TRANSFORM:
case PROP_TEXT_ALIGN:
case PROP_TEXT_INDENT:
case PROP_LINE_HEIGHT:
case PROP_WHITE_SPACE:
if (nsnull == mText) {
mText = new nsCSSText();
}
if (nsnull != mText) {
switch (aProperty) {
case PROP_WORD_SPACING: mText->mWordSpacing = aValue; break;
case PROP_LETTER_SPACING: mText->mLetterSpacing = aValue; break;
case PROP_TEXT_DECORATION: mText->mDecoration = aValue; break;
case PROP_VERTICAL_ALIGN: mText->mVerticalAlign = aValue; break;
case PROP_TEXT_TRANSFORM: mText->mTextTransform = aValue; break;
case PROP_TEXT_ALIGN: mText->mTextAlign = aValue; break;
case PROP_TEXT_INDENT: mText->mTextIndent = aValue; break;
case PROP_LINE_HEIGHT: mText->mLineHeight = aValue; break;
case PROP_WHITE_SPACE: mText->mWhiteSpace = aValue; break;
}
}
else {
result = NS_ERROR_OUT_OF_MEMORY;
}
break;
// nsCSSMargin
case PROP_MARGIN_TOP:
case PROP_MARGIN_RIGHT:
case PROP_MARGIN_BOTTOM:
case PROP_MARGIN_LEFT:
if (nsnull == mMargin) {
mMargin = new nsCSSMargin();
}
if (nsnull != mMargin) {
if (nsnull == mMargin->mMargin) {
mMargin->mMargin = new nsCSSRect();
}
if (nsnull != mMargin->mMargin) {
switch (aProperty) {
case PROP_MARGIN_TOP: mMargin->mMargin->mTop = aValue; break;
case PROP_MARGIN_RIGHT: mMargin->mMargin->mRight = aValue; break;
case PROP_MARGIN_BOTTOM: mMargin->mMargin->mBottom = aValue; break;
case PROP_MARGIN_LEFT: mMargin->mMargin->mLeft = aValue; break;
}
}
else {
result = NS_ERROR_OUT_OF_MEMORY;
}
}
else {
result = NS_ERROR_OUT_OF_MEMORY;
}
break;
case PROP_PADDING_TOP:
case PROP_PADDING_RIGHT:
case PROP_PADDING_BOTTOM:
case PROP_PADDING_LEFT:
if (nsnull == mMargin) {
mMargin = new nsCSSMargin();
}
if (nsnull != mMargin) {
if (nsnull == mMargin->mPadding) {
mMargin->mPadding = new nsCSSRect();
}
if (nsnull != mMargin->mPadding) {
switch (aProperty) {
case PROP_PADDING_TOP: mMargin->mPadding->mTop = aValue; break;
case PROP_PADDING_RIGHT: mMargin->mPadding->mRight = aValue; break;
case PROP_PADDING_BOTTOM: mMargin->mPadding->mBottom = aValue; break;
case PROP_PADDING_LEFT: mMargin->mPadding->mLeft = aValue; break;
}
}
else {
result = NS_ERROR_OUT_OF_MEMORY;
}
}
else {
result = NS_ERROR_OUT_OF_MEMORY;
}
break;
case PROP_BORDER_TOP_WIDTH:
case PROP_BORDER_RIGHT_WIDTH:
case PROP_BORDER_BOTTOM_WIDTH:
case PROP_BORDER_LEFT_WIDTH:
if (nsnull == mMargin) {
mMargin = new nsCSSMargin();
}
if (nsnull != mMargin) {
if (nsnull == mMargin->mBorder) {
mMargin->mBorder = new nsCSSRect();
}
if (nsnull != mMargin->mBorder) {
switch (aProperty) {
case PROP_BORDER_TOP_WIDTH: mMargin->mBorder->mTop = aValue; break;
case PROP_BORDER_RIGHT_WIDTH: mMargin->mBorder->mRight = aValue; break;
case PROP_BORDER_BOTTOM_WIDTH: mMargin->mBorder->mBottom = aValue; break;
case PROP_BORDER_LEFT_WIDTH: mMargin->mBorder->mLeft = aValue; break;
}
}
else {
result = NS_ERROR_OUT_OF_MEMORY;
}
}
else {
result = NS_ERROR_OUT_OF_MEMORY;
}
break;
case PROP_BORDER_TOP_COLOR:
case PROP_BORDER_RIGHT_COLOR:
case PROP_BORDER_BOTTOM_COLOR:
case PROP_BORDER_LEFT_COLOR:
if (nsnull == mMargin) {
mMargin = new nsCSSMargin();
}
if (nsnull != mMargin) {
if (nsnull == mMargin->mColor) {
mMargin->mColor = new nsCSSRect();
}
if (nsnull != mMargin->mColor) {
switch (aProperty) {
case PROP_BORDER_TOP_COLOR: mMargin->mColor->mTop = aValue; break;
case PROP_BORDER_RIGHT_COLOR: mMargin->mColor->mRight = aValue; break;
case PROP_BORDER_BOTTOM_COLOR: mMargin->mColor->mBottom = aValue; break;
case PROP_BORDER_LEFT_COLOR: mMargin->mColor->mLeft = aValue; break;
}
}
else {
result = NS_ERROR_OUT_OF_MEMORY;
}
}
else {
result = NS_ERROR_OUT_OF_MEMORY;
}
break;
case PROP_BORDER_TOP_STYLE:
case PROP_BORDER_RIGHT_STYLE:
case PROP_BORDER_BOTTOM_STYLE:
case PROP_BORDER_LEFT_STYLE:
if (nsnull == mMargin) {
mMargin = new nsCSSMargin();
}
if (nsnull != mMargin) {
if (nsnull == mMargin->mStyle) {
mMargin->mStyle = new nsCSSRect();
}
if (nsnull != mMargin->mStyle) {
switch (aProperty) {
case PROP_BORDER_TOP_STYLE: mMargin->mStyle->mTop = aValue; break;
case PROP_BORDER_RIGHT_STYLE: mMargin->mStyle->mRight = aValue; break;
case PROP_BORDER_BOTTOM_STYLE: mMargin->mStyle->mBottom = aValue; break;
case PROP_BORDER_LEFT_STYLE: mMargin->mStyle->mLeft = aValue; break;
}
}
else {
result = NS_ERROR_OUT_OF_MEMORY;
}
}
else {
result = NS_ERROR_OUT_OF_MEMORY;
}
break;
// nsCSSPosition
case PROP_POSITION:
case PROP_WIDTH:
case PROP_HEIGHT:
case PROP_LEFT:
case PROP_TOP:
case PROP_OVERFLOW:
case PROP_Z_INDEX:
case PROP_VISIBILITY:
case PROP_FILTER:
if (nsnull == mPosition) {
mPosition = new nsCSSPosition();
}
if (nsnull != mPosition) {
switch (aProperty) {
case PROP_POSITION: mPosition->mPosition = aValue; break;
case PROP_WIDTH: mPosition->mWidth = aValue; break;
case PROP_HEIGHT: mPosition->mHeight = aValue; break;
case PROP_LEFT: mPosition->mLeft = aValue; break;
case PROP_TOP: mPosition->mTop = aValue; break;
case PROP_OVERFLOW: mPosition->mOverflow = aValue; break;
case PROP_Z_INDEX: mPosition->mZIndex = aValue; break;
case PROP_VISIBILITY: mPosition->mVisibility = aValue; break;
case PROP_FILTER: mPosition->mFilter = aValue; break;
}
}
else {
result = NS_ERROR_OUT_OF_MEMORY;
}
break;
case PROP_CLIP_TOP:
case PROP_CLIP_RIGHT:
case PROP_CLIP_BOTTOM:
case PROP_CLIP_LEFT:
if (nsnull == mPosition) {
mPosition = new nsCSSPosition();
}
if (nsnull != mPosition) {
if (nsnull == mPosition->mClip) {
mPosition->mClip = new nsCSSRect();
}
if (nsnull != mPosition->mClip) {
switch(aProperty) {
case PROP_CLIP_TOP: mPosition->mClip->mTop = aValue; break;
case PROP_CLIP_RIGHT: mPosition->mClip->mRight = aValue; break;
case PROP_CLIP_BOTTOM: mPosition->mClip->mBottom = aValue; break;
case PROP_CLIP_LEFT: mPosition->mClip->mLeft = aValue; break;
}
}
else {
result = NS_ERROR_OUT_OF_MEMORY;
}
}
else {
result = NS_ERROR_OUT_OF_MEMORY;
}
break;
// nsCSSList
case PROP_LIST_STYLE_TYPE:
case PROP_LIST_STYLE_IMAGE:
case PROP_LIST_STYLE_POSITION:
if (nsnull == mList) {
mList = new nsCSSList();
}
if (nsnull != mList) {
switch (aProperty) {
case PROP_LIST_STYLE_TYPE: mList->mType = aValue; break;
case PROP_LIST_STYLE_IMAGE: mList->mImage = aValue; break;
case PROP_LIST_STYLE_POSITION: mList->mPosition = aValue; break;
}
}
else {
result = NS_ERROR_OUT_OF_MEMORY;
}
break;
// nsCSSDisplay
case PROP_FLOAT:
case PROP_CLEAR:
case PROP_DISPLAY:
case PROP_DIRECTION:
if (nsnull == mDisplay) {
mDisplay = new nsCSSDisplay();
}
if (nsnull != mDisplay) {
switch (aProperty) {
case PROP_FLOAT: mDisplay->mFloat = aValue; break;
case PROP_CLEAR: mDisplay->mClear = aValue; break;
case PROP_DISPLAY: mDisplay->mDisplay = aValue; break;
case PROP_DIRECTION: mDisplay->mDirection = aValue; break;
}
}
else {
result = NS_ERROR_OUT_OF_MEMORY;
}
break;
case PROP_BACKGROUND:
case PROP_BORDER:
case PROP_CLIP:
case PROP_FONT:
case PROP_LIST_STYLE:
case PROP_MARGIN:
case PROP_PADDING:
case PROP_BACKGROUND_POSITION:
case PROP_BORDER_TOP:
case PROP_BORDER_RIGHT:
case PROP_BORDER_BOTTOM:
case PROP_BORDER_LEFT:
case PROP_BORDER_COLOR:
case PROP_BORDER_STYLE:
case PROP_BORDER_WIDTH:
NS_ERROR("can't query for shorthand properties");
default:
result = NS_ERROR_ILLEGAL_VALUE;
break;
}
return result;
}
nsresult CSSDeclarationImpl::GetValue(const char* aProperty, nsCSSValue& aValue)
{
return GetValue(nsCSSProps::LookupName(aProperty), aValue);
}
nsresult CSSDeclarationImpl::GetValue(PRInt32 aProperty, nsCSSValue& aValue)
{
nsresult result = NS_OK;
switch (aProperty) {
// nsCSSFont
case PROP_FONT_FAMILY:
case PROP_FONT_STYLE:
case PROP_FONT_VARIANT:
case PROP_FONT_WEIGHT:
case PROP_FONT_SIZE:
if (nsnull != mFont) {
switch (aProperty) {
case PROP_FONT_FAMILY: aValue = mFont->mFamily; break;
case PROP_FONT_STYLE: aValue = mFont->mStyle; break;
case PROP_FONT_VARIANT: aValue = mFont->mVariant; break;
case PROP_FONT_WEIGHT: aValue = mFont->mWeight; break;
case PROP_FONT_SIZE: aValue = mFont->mSize; break;
}
}
else {
aValue.Reset();
}
break;
// nsCSSColor
case PROP_COLOR:
case PROP_BACKGROUND_COLOR:
case PROP_BACKGROUND_IMAGE:
case PROP_BACKGROUND_REPEAT:
case PROP_BACKGROUND_ATTACHMENT:
case PROP_BACKGROUND_X_POSITION:
case PROP_BACKGROUND_Y_POSITION:
case PROP_BACKGROUND_FILTER:
case PROP_CURSOR:
case PROP_CURSOR_IMAGE:
if (nsnull != mColor) {
switch (aProperty) {
case PROP_COLOR: aValue = mColor->mColor; break;
case PROP_BACKGROUND_COLOR: aValue = mColor->mBackColor; break;
case PROP_BACKGROUND_IMAGE: aValue = mColor->mBackImage; break;
case PROP_BACKGROUND_REPEAT: aValue = mColor->mBackRepeat; break;
case PROP_BACKGROUND_ATTACHMENT: aValue = mColor->mBackAttachment; break;
case PROP_BACKGROUND_X_POSITION: aValue = mColor->mBackPositionX; break;
case PROP_BACKGROUND_Y_POSITION: aValue = mColor->mBackPositionY; break;
case PROP_BACKGROUND_FILTER: aValue = mColor->mBackFilter; break;
case PROP_CURSOR: aValue = mColor->mCursor; break;
case PROP_CURSOR_IMAGE: aValue = mColor->mCursorImage; break;
}
}
else {
aValue.Reset();
}
break;
// nsCSSText
case PROP_WORD_SPACING:
case PROP_LETTER_SPACING:
case PROP_TEXT_DECORATION:
case PROP_VERTICAL_ALIGN:
case PROP_TEXT_TRANSFORM:
case PROP_TEXT_ALIGN:
case PROP_TEXT_INDENT:
case PROP_LINE_HEIGHT:
case PROP_WHITE_SPACE:
if (nsnull != mText) {
switch (aProperty) {
case PROP_WORD_SPACING: aValue = mText->mWordSpacing; break;
case PROP_LETTER_SPACING: aValue = mText->mLetterSpacing; break;
case PROP_TEXT_DECORATION: aValue = mText->mDecoration; break;
case PROP_VERTICAL_ALIGN: aValue = mText->mVerticalAlign; break;
case PROP_TEXT_TRANSFORM: aValue = mText->mTextTransform; break;
case PROP_TEXT_ALIGN: aValue = mText->mTextAlign; break;
case PROP_TEXT_INDENT: aValue = mText->mTextIndent; break;
case PROP_LINE_HEIGHT: aValue = mText->mLineHeight; break;
case PROP_WHITE_SPACE: aValue = mText->mWhiteSpace; break;
}
}
else {
aValue.Reset();
}
break;
// nsCSSMargin
case PROP_MARGIN_TOP:
case PROP_MARGIN_RIGHT:
case PROP_MARGIN_BOTTOM:
case PROP_MARGIN_LEFT:
if ((nsnull != mMargin) && (nsnull != mMargin->mMargin)) {
switch (aProperty) {
case PROP_MARGIN_TOP: aValue = mMargin->mMargin->mTop; break;
case PROP_MARGIN_RIGHT: aValue = mMargin->mMargin->mRight; break;
case PROP_MARGIN_BOTTOM: aValue = mMargin->mMargin->mBottom; break;
case PROP_MARGIN_LEFT: aValue = mMargin->mMargin->mLeft; break;
}
}
else {
aValue.Reset();
}
break;
case PROP_PADDING_TOP:
case PROP_PADDING_RIGHT:
case PROP_PADDING_BOTTOM:
case PROP_PADDING_LEFT:
if ((nsnull != mMargin) && (nsnull != mMargin->mPadding)) {
switch (aProperty) {
case PROP_PADDING_TOP: aValue = mMargin->mPadding->mTop; break;
case PROP_PADDING_RIGHT: aValue = mMargin->mPadding->mRight; break;
case PROP_PADDING_BOTTOM: aValue = mMargin->mPadding->mBottom; break;
case PROP_PADDING_LEFT: aValue = mMargin->mPadding->mLeft; break;
}
}
else {
aValue.Reset();
}
break;
case PROP_BORDER_TOP_WIDTH:
case PROP_BORDER_RIGHT_WIDTH:
case PROP_BORDER_BOTTOM_WIDTH:
case PROP_BORDER_LEFT_WIDTH:
if ((nsnull != mMargin) && (nsnull != mMargin->mBorder)) {
switch (aProperty) {
case PROP_BORDER_TOP_WIDTH: aValue = mMargin->mBorder->mTop; break;
case PROP_BORDER_RIGHT_WIDTH: aValue = mMargin->mBorder->mRight; break;
case PROP_BORDER_BOTTOM_WIDTH: aValue = mMargin->mBorder->mBottom; break;
case PROP_BORDER_LEFT_WIDTH: aValue = mMargin->mBorder->mLeft; break;
}
}
else {
aValue.Reset();
}
break;
case PROP_BORDER_TOP_COLOR:
case PROP_BORDER_RIGHT_COLOR:
case PROP_BORDER_BOTTOM_COLOR:
case PROP_BORDER_LEFT_COLOR:
if ((nsnull != mMargin) && (nsnull != mMargin->mColor)) {
switch (aProperty) {
case PROP_BORDER_TOP_COLOR: aValue = mMargin->mColor->mTop; break;
case PROP_BORDER_RIGHT_COLOR: aValue = mMargin->mColor->mRight; break;
case PROP_BORDER_BOTTOM_COLOR: aValue = mMargin->mColor->mBottom; break;
case PROP_BORDER_LEFT_COLOR: aValue = mMargin->mColor->mLeft; break;
}
}
else {
aValue.Reset();
}
break;
case PROP_BORDER_TOP_STYLE:
case PROP_BORDER_RIGHT_STYLE:
case PROP_BORDER_BOTTOM_STYLE:
case PROP_BORDER_LEFT_STYLE:
if ((nsnull != mMargin) && (nsnull != mMargin->mStyle)) {
switch (aProperty) {
case PROP_BORDER_TOP_STYLE: aValue = mMargin->mStyle->mTop; break;
case PROP_BORDER_RIGHT_STYLE: aValue = mMargin->mStyle->mRight; break;
case PROP_BORDER_BOTTOM_STYLE: aValue = mMargin->mStyle->mBottom; break;
case PROP_BORDER_LEFT_STYLE: aValue = mMargin->mStyle->mLeft; break;
}
}
else {
aValue.Reset();
}
break;
// nsCSSPosition
case PROP_POSITION:
case PROP_WIDTH:
case PROP_HEIGHT:
case PROP_LEFT:
case PROP_TOP:
case PROP_OVERFLOW:
case PROP_Z_INDEX:
case PROP_VISIBILITY:
case PROP_FILTER:
if (nsnull != mPosition) {
switch (aProperty) {
case PROP_POSITION: aValue = mPosition->mPosition; break;
case PROP_WIDTH: aValue = mPosition->mWidth; break;
case PROP_HEIGHT: aValue = mPosition->mHeight; break;
case PROP_LEFT: aValue = mPosition->mLeft; break;
case PROP_TOP: aValue = mPosition->mTop; break;
case PROP_OVERFLOW: aValue = mPosition->mOverflow; break;
case PROP_Z_INDEX: aValue = mPosition->mZIndex; break;
case PROP_VISIBILITY: aValue = mPosition->mVisibility; break;
case PROP_FILTER: aValue = mPosition->mFilter; break;
}
}
else {
aValue.Reset();
}
break;
case PROP_CLIP_TOP:
case PROP_CLIP_RIGHT:
case PROP_CLIP_BOTTOM:
case PROP_CLIP_LEFT:
if ((nsnull != mPosition) && (nsnull != mPosition->mClip)) {
switch(aProperty) {
case PROP_CLIP_TOP: aValue = mPosition->mClip->mTop; break;
case PROP_CLIP_RIGHT: aValue = mPosition->mClip->mRight; break;
case PROP_CLIP_BOTTOM: aValue = mPosition->mClip->mBottom; break;
case PROP_CLIP_LEFT: aValue = mPosition->mClip->mLeft; break;
}
}
else {
aValue.Reset();
}
break;
// nsCSSList
case PROP_LIST_STYLE_TYPE:
case PROP_LIST_STYLE_IMAGE:
case PROP_LIST_STYLE_POSITION:
if (nsnull != mList) {
switch (aProperty) {
case PROP_LIST_STYLE_TYPE: aValue = mList->mType; break;
case PROP_LIST_STYLE_IMAGE: aValue = mList->mImage; break;
case PROP_LIST_STYLE_POSITION: aValue = mList->mPosition; break;
}
}
else {
aValue.Reset();
}
break;
// nsCSSDisplay
case PROP_FLOAT:
case PROP_CLEAR:
case PROP_DISPLAY:
case PROP_DIRECTION:
if (nsnull != mDisplay) {
switch (aProperty) {
case PROP_FLOAT: aValue = mDisplay->mFloat; break;
case PROP_CLEAR: aValue = mDisplay->mClear; break;
case PROP_DISPLAY: aValue = mDisplay->mDisplay; break;
case PROP_DIRECTION: aValue = mDisplay->mDirection; break;
}
}
else {
aValue.Reset();
}
break;
case PROP_BACKGROUND:
case PROP_BORDER:
case PROP_CLIP:
case PROP_FONT:
case PROP_LIST_STYLE:
case PROP_MARGIN:
case PROP_PADDING:
case PROP_BACKGROUND_POSITION:
case PROP_BORDER_TOP:
case PROP_BORDER_RIGHT:
case PROP_BORDER_BOTTOM:
case PROP_BORDER_LEFT:
case PROP_BORDER_COLOR:
case PROP_BORDER_STYLE:
case PROP_BORDER_WIDTH:
NS_ERROR("can't query for shorthand properties");
default:
result = NS_ERROR_ILLEGAL_VALUE;
break;
}
return result;
}
void CSSDeclarationImpl::List(FILE* out, PRInt32 aIndent) const
{
for (PRInt32 index = aIndent; --index >= 0; ) fputs(" ", out);
fputs("{ ", out);
if (nsnull != mFont) {
mFont->List(out);
}
if (nsnull != mColor) {
mColor->List(out);
}
if (nsnull != mText) {
mText->List(out);
}
if (nsnull != mMargin) {
mMargin->List(out);
}
if (nsnull != mPosition) {
mPosition->List(out);
}
if (nsnull != mList) {
mList->List(out);
}
if (nsnull != mDisplay) {
mDisplay->List(out);
}
fputs("}", out);
}
NS_HTML nsresult
NS_NewCSSDeclaration(nsICSSDeclaration** aInstancePtrResult)
{
if (aInstancePtrResult == nsnull) {
return NS_ERROR_NULL_POINTER;
}
CSSDeclarationImpl *it = new CSSDeclarationImpl();
if (nsnull == it) {
return NS_ERROR_OUT_OF_MEMORY;
}
return it->QueryInterface(kICSSDeclarationIID, (void **) aInstancePtrResult);
}
/*
font
===========
font-family: string (list)
font-style: enum
font-variant: enum (ie: small caps)
font-weight: enum
font-size: abs, pct, enum, +-1
color/background
=============
color: color
background-color: color
background-image: url(string)
background-repeat: enum
background-attachment: enum
background-position-x -y: abs, pct, enum (left/top center right/bottom (pct?))
cursor: enum
cursor-image: url(string)
text
=======
word-spacing: abs, "normal"
letter-spacing: abs, "normal"
text-decoration: enum
vertical-align: enum, pct
text-transform: enum
text-align: enum
text-indent: abs, pct
line-height: "normal", abs, pct, number-factor
white-space: enum
margin
=======
margin-top -right -bottom -left: "auto", abs, pct
padding-top -right -bottom -left: abs, pct
border-top -right -bottom -left-width: enum, abs
border-top -right -bottom -left-color: color
border-top -right -bottom -left-style: enum
size
=======
position: enum
width: abs, pct, "auto"
height: abs, pct, "auto"
left: abs, pct, "auto"
top: abs, pct, "auto"
clip: shape, "auto" (shape: rect - abs, auto)
overflow: enum
z-index: int, auto
visibity: enum
display
=======
float: enum
clear: enum
direction: enum
display: enum
filter: string
list
========
list-style-type: enum
list-style-image: url, "none"
list-style-position: enum (bool? in/out)
*/
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