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/**
* (C) 1999-2003 Lars Knoll (knoll@kde.org)
* Copyright (C) 2004, 2005, 2006 Apple Computer, Inc.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public License
* along with this library; see the file COPYING.LIB. If not, write to
* the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301, USA.
*/
#include "config.h"
#include "CSSProperty.h"
#include "CSSPropertyNames.h"
#include "PlatformString.h"
#include "RenderStyleConstants.h"
namespace WebCore {
String CSSProperty::cssText() const
{
return String(getPropertyName(static_cast<CSSPropertyID>(id()))) + ": " + m_value->cssText() + (isImportant() ? " !important" : "") + "; ";
}
bool operator==(const CSSProperty& a, const CSSProperty& b)
{
return a.m_id == b.m_id && a.m_important == b.m_important && a.m_value == b.m_value;
}
enum LogicalBoxSide { BeforeSide, EndSide, AfterSide, StartSide };
enum PhysicalBoxSide { TopSide, RightSide, BottomSide, LeftSide };
static int resolveToPhysicalProperty(TextDirection direction, WritingMode writingMode, LogicalBoxSide logicalSide, const int* properties)
{
if (direction == LTR) {
if (writingMode == TopToBottomWritingMode) {
// The common case. The logical and physical box sides match.
// Left = Start, Right = End, Before = Top, After = Bottom
return properties[logicalSide];
}
if (writingMode == BottomToTopWritingMode) {
// Start = Left, End = Right, Before = Bottom, After = Top.
switch (logicalSide) {
case StartSide:
return properties[LeftSide];
case EndSide:
return properties[RightSide];
case BeforeSide:
return properties[BottomSide];
default:
return properties[TopSide];
}
}
if (writingMode == LeftToRightWritingMode) {
// Start = Top, End = Bottom, Before = Left, After = Right.
switch (logicalSide) {
case StartSide:
return properties[TopSide];
case EndSide:
return properties[BottomSide];
case BeforeSide:
return properties[LeftSide];
default:
return properties[RightSide];
}
}
// Start = Top, End = Bottom, Before = Right, After = Left
switch (logicalSide) {
case StartSide:
return properties[TopSide];
case EndSide:
return properties[BottomSide];
case BeforeSide:
return properties[RightSide];
default:
return properties[LeftSide];
}
}
if (writingMode == TopToBottomWritingMode) {
// Start = Right, End = Left, Before = Top, After = Bottom
switch (logicalSide) {
case StartSide:
return properties[RightSide];
case EndSide:
return properties[LeftSide];
case BeforeSide:
return properties[TopSide];
default:
return properties[BottomSide];
}
}
if (writingMode == BottomToTopWritingMode) {
// Start = Right, End = Left, Before = Bottom, After = Top
switch (logicalSide) {
case StartSide:
return properties[RightSide];
case EndSide:
return properties[LeftSide];
case BeforeSide:
return properties[BottomSide];
default:
return properties[TopSide];
}
}
if (writingMode == LeftToRightWritingMode) {
// Start = Bottom, End = Top, Before = Left, After = Right
switch (logicalSide) {
case StartSide:
return properties[BottomSide];
case EndSide:
return properties[TopSide];
case BeforeSide:
return properties[LeftSide];
default:
return properties[RightSide];
}
}
// Start = Bottom, End = Top, Before = Right, After = Left
switch (logicalSide) {
case StartSide:
return properties[BottomSide];
case EndSide:
return properties[TopSide];
case BeforeSide:
return properties[RightSide];
default:
return properties[LeftSide];
}
}
enum LogicalExtent { LogicalWidth, LogicalHeight };
static int resolveToPhysicalProperty(WritingMode writingMode, LogicalExtent logicalSide, const int* properties)
{
if (writingMode == TopToBottomWritingMode || writingMode == BottomToTopWritingMode)
return properties[logicalSide];
return logicalSide == LogicalWidth ? properties[1] : properties[0];
}
int CSSProperty::resolveDirectionAwareProperty(int propertyID, TextDirection direction, WritingMode writingMode)
{
switch (static_cast<CSSPropertyID>(propertyID)) {
case CSSPropertyWebkitMarginEnd: {
const int properties[4] = { CSSPropertyMarginTop, CSSPropertyMarginRight, CSSPropertyMarginBottom, CSSPropertyMarginLeft };
return resolveToPhysicalProperty(direction, writingMode, EndSide, properties);
}
case CSSPropertyWebkitMarginStart: {
const int properties[4] = { CSSPropertyMarginTop, CSSPropertyMarginRight, CSSPropertyMarginBottom, CSSPropertyMarginLeft };
return resolveToPhysicalProperty(direction, writingMode, StartSide, properties);
}
case CSSPropertyWebkitMarginBefore: {
const int properties[4] = { CSSPropertyMarginTop, CSSPropertyMarginRight, CSSPropertyMarginBottom, CSSPropertyMarginLeft };
return resolveToPhysicalProperty(direction, writingMode, BeforeSide, properties);
}
case CSSPropertyWebkitMarginAfter: {
const int properties[4] = { CSSPropertyMarginTop, CSSPropertyMarginRight, CSSPropertyMarginBottom, CSSPropertyMarginLeft };
return resolveToPhysicalProperty(direction, writingMode, AfterSide, properties);
}
case CSSPropertyWebkitPaddingEnd: {
const int properties[4] = { CSSPropertyPaddingTop, CSSPropertyPaddingRight, CSSPropertyPaddingBottom, CSSPropertyPaddingLeft };
return resolveToPhysicalProperty(direction, writingMode, EndSide, properties);
}
case CSSPropertyWebkitPaddingStart: {
const int properties[4] = { CSSPropertyPaddingTop, CSSPropertyPaddingRight, CSSPropertyPaddingBottom, CSSPropertyPaddingLeft };
return resolveToPhysicalProperty(direction, writingMode, StartSide, properties);
}
case CSSPropertyWebkitPaddingBefore: {
const int properties[4] = { CSSPropertyPaddingTop, CSSPropertyPaddingRight, CSSPropertyPaddingBottom, CSSPropertyPaddingLeft };
return resolveToPhysicalProperty(direction, writingMode, BeforeSide, properties);
}
case CSSPropertyWebkitPaddingAfter: {
const int properties[4] = { CSSPropertyPaddingTop, CSSPropertyPaddingRight, CSSPropertyPaddingBottom, CSSPropertyPaddingLeft };
return resolveToPhysicalProperty(direction, writingMode, AfterSide, properties);
}
case CSSPropertyWebkitBorderEnd: {
const int properties[4] = { CSSPropertyBorderTop, CSSPropertyBorderRight, CSSPropertyBorderBottom, CSSPropertyBorderLeft };
return resolveToPhysicalProperty(direction, writingMode, EndSide, properties);
}
case CSSPropertyWebkitBorderStart: {
const int properties[4] = { CSSPropertyBorderTop, CSSPropertyBorderRight, CSSPropertyBorderBottom, CSSPropertyBorderLeft };
return resolveToPhysicalProperty(direction, writingMode, StartSide, properties);
}
case CSSPropertyWebkitBorderBefore: {
const int properties[4] = { CSSPropertyBorderTop, CSSPropertyBorderRight, CSSPropertyBorderBottom, CSSPropertyBorderLeft };
return resolveToPhysicalProperty(direction, writingMode, BeforeSide, properties);
}
case CSSPropertyWebkitBorderAfter: {
const int properties[4] = { CSSPropertyBorderTop, CSSPropertyBorderRight, CSSPropertyBorderBottom, CSSPropertyBorderLeft };
return resolveToPhysicalProperty(direction, writingMode, AfterSide, properties);
}
case CSSPropertyWebkitBorderEndColor: {
const int properties[4] = { CSSPropertyBorderTopColor, CSSPropertyBorderRightColor, CSSPropertyBorderBottomColor, CSSPropertyBorderLeftColor };
return resolveToPhysicalProperty(direction, writingMode, EndSide, properties);
}
case CSSPropertyWebkitBorderStartColor: {
const int properties[4] = { CSSPropertyBorderTopColor, CSSPropertyBorderRightColor, CSSPropertyBorderBottomColor, CSSPropertyBorderLeftColor };
return resolveToPhysicalProperty(direction, writingMode, StartSide, properties);
}
case CSSPropertyWebkitBorderBeforeColor: {
const int properties[4] = { CSSPropertyBorderTopColor, CSSPropertyBorderRightColor, CSSPropertyBorderBottomColor, CSSPropertyBorderLeftColor };
return resolveToPhysicalProperty(direction, writingMode, BeforeSide, properties);
}
case CSSPropertyWebkitBorderAfterColor: {
const int properties[4] = { CSSPropertyBorderTopColor, CSSPropertyBorderRightColor, CSSPropertyBorderBottomColor, CSSPropertyBorderLeftColor };
return resolveToPhysicalProperty(direction, writingMode, AfterSide, properties);
}
case CSSPropertyWebkitBorderEndStyle: {
const int properties[4] = { CSSPropertyBorderTopStyle, CSSPropertyBorderRightStyle, CSSPropertyBorderBottomStyle, CSSPropertyBorderLeftStyle };
return resolveToPhysicalProperty(direction, writingMode, EndSide, properties);
}
case CSSPropertyWebkitBorderStartStyle: {
const int properties[4] = { CSSPropertyBorderTopStyle, CSSPropertyBorderRightStyle, CSSPropertyBorderBottomStyle, CSSPropertyBorderLeftStyle };
return resolveToPhysicalProperty(direction, writingMode, StartSide, properties);
}
case CSSPropertyWebkitBorderBeforeStyle: {
const int properties[4] = { CSSPropertyBorderTopStyle, CSSPropertyBorderRightStyle, CSSPropertyBorderBottomStyle, CSSPropertyBorderLeftStyle };
return resolveToPhysicalProperty(direction, writingMode, BeforeSide, properties);
}
case CSSPropertyWebkitBorderAfterStyle: {
const int properties[4] = { CSSPropertyBorderTopStyle, CSSPropertyBorderRightStyle, CSSPropertyBorderBottomStyle, CSSPropertyBorderLeftStyle };
return resolveToPhysicalProperty(direction, writingMode, AfterSide, properties);
}
case CSSPropertyWebkitBorderEndWidth: {
const int properties[4] = { CSSPropertyBorderTopWidth, CSSPropertyBorderRightWidth, CSSPropertyBorderBottomWidth, CSSPropertyBorderLeftWidth };
return resolveToPhysicalProperty(direction, writingMode, EndSide, properties);
}
case CSSPropertyWebkitBorderStartWidth: {
const int properties[4] = { CSSPropertyBorderTopWidth, CSSPropertyBorderRightWidth, CSSPropertyBorderBottomWidth, CSSPropertyBorderLeftWidth };
return resolveToPhysicalProperty(direction, writingMode, StartSide, properties);
}
case CSSPropertyWebkitBorderBeforeWidth: {
const int properties[4] = { CSSPropertyBorderTopWidth, CSSPropertyBorderRightWidth, CSSPropertyBorderBottomWidth, CSSPropertyBorderLeftWidth };
return resolveToPhysicalProperty(direction, writingMode, BeforeSide, properties);
}
case CSSPropertyWebkitBorderAfterWidth: {
const int properties[4] = { CSSPropertyBorderTopWidth, CSSPropertyBorderRightWidth, CSSPropertyBorderBottomWidth, CSSPropertyBorderLeftWidth };
return resolveToPhysicalProperty(direction, writingMode, AfterSide, properties);
}
case CSSPropertyWebkitLogicalWidth: {
const int properties[2] = { CSSPropertyWidth, CSSPropertyHeight };
return resolveToPhysicalProperty(writingMode, LogicalWidth, properties);
}
case CSSPropertyWebkitLogicalHeight: {
const int properties[2] = { CSSPropertyWidth, CSSPropertyHeight };
return resolveToPhysicalProperty(writingMode, LogicalHeight, properties);
}
case CSSPropertyWebkitMinLogicalWidth: {
const int properties[2] = { CSSPropertyMinWidth, CSSPropertyMinHeight };
return resolveToPhysicalProperty(writingMode, LogicalWidth, properties);
}
case CSSPropertyWebkitMinLogicalHeight: {
const int properties[2] = { CSSPropertyMinWidth, CSSPropertyMinHeight };
return resolveToPhysicalProperty(writingMode, LogicalHeight, properties);
}
case CSSPropertyWebkitMaxLogicalWidth: {
const int properties[2] = { CSSPropertyMaxWidth, CSSPropertyMaxHeight };
return resolveToPhysicalProperty(writingMode, LogicalWidth, properties);
}
case CSSPropertyWebkitMaxLogicalHeight: {
const int properties[2] = { CSSPropertyMaxWidth, CSSPropertyMaxHeight };
return resolveToPhysicalProperty(writingMode, LogicalHeight, properties);
}
default:
return propertyID;
}
}
} // namespace WebCore
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