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/*
* Copyright (C) 1999 Lars Knoll (knoll@kde.org)
* (C) 1999 Antti Koivisto (koivisto@kde.org)
* Copyright (C) 2003, 2004, 2005, 2006, 2007, 2008 Apple Inc. All rights reserved.
* Copyright (C) 2006 Andrew Wellington (proton@wiretapped.net)
* Copyright (C) 2010 Daniel Bates (dbates@intudata.com)
*
* 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 "core/rendering/RenderListMarker.h"
#include "core/fetch/ImageResource.h"
#include "core/paint/ListMarkerPainter.h"
#include "core/rendering/RenderLayer.h"
#include "core/rendering/RenderListItem.h"
#include "core/rendering/TextRunConstructor.h"
#include "platform/fonts/Font.h"
#include "wtf/text/StringBuilder.h"
namespace blink {
const int cMarkerPadding = 7;
enum SequenceType { NumericSequence, AlphabeticSequence };
static String toRoman(int number, bool upper)
{
// FIXME: CSS3 describes how to make this work for much larger numbers,
// using overbars and special characters. It also specifies the characters
// in the range U+2160 to U+217F instead of standard ASCII ones.
ASSERT(number >= 1 && number <= 3999);
// Big enough to store largest roman number less than 3999 which
// is 3888 (MMMDCCCLXXXVIII)
const int lettersSize = 15;
LChar letters[lettersSize];
int length = 0;
const LChar ldigits[] = { 'i', 'v', 'x', 'l', 'c', 'd', 'm' };
const LChar udigits[] = { 'I', 'V', 'X', 'L', 'C', 'D', 'M' };
const LChar* digits = upper ? udigits : ldigits;
int d = 0;
do {
int num = number % 10;
if (num % 5 < 4)
for (int i = num % 5; i > 0; i--)
letters[lettersSize - ++length] = digits[d];
if (num >= 4 && num <= 8)
letters[lettersSize - ++length] = digits[d + 1];
if (num == 9)
letters[lettersSize - ++length] = digits[d + 2];
if (num % 5 == 4)
letters[lettersSize - ++length] = digits[d];
number /= 10;
d += 2;
} while (number);
ASSERT(length <= lettersSize);
return String(&letters[lettersSize - length], length);
}
// The typedef is needed because taking sizeof(number) in the const expression below doesn't work with some compilers.
// This is likely the case because of the template.
typedef int numberType;
template <typename CharacterType>
static inline String toAlphabeticOrNumeric(numberType number, const CharacterType* sequence, unsigned sequenceSize, SequenceType type)
{
ASSERT(sequenceSize >= 2);
const int lettersSize = sizeof(numberType) * 8 + 1; // Binary is the worst case; requires one character per bit plus a minus sign.
CharacterType letters[lettersSize];
bool isNegativeNumber = false;
unsigned numberShadow = number;
if (type == AlphabeticSequence) {
ASSERT(number > 0);
--numberShadow;
} else if (number < 0) {
numberShadow = -number;
isNegativeNumber = true;
}
letters[lettersSize - 1] = sequence[numberShadow % sequenceSize];
int length = 1;
if (type == AlphabeticSequence) {
while ((numberShadow /= sequenceSize) > 0) {
--numberShadow;
letters[lettersSize - ++length] = sequence[numberShadow % sequenceSize];
}
} else {
while ((numberShadow /= sequenceSize) > 0)
letters[lettersSize - ++length] = sequence[numberShadow % sequenceSize];
}
if (isNegativeNumber)
letters[lettersSize - ++length] = hyphenMinus;
ASSERT(length <= lettersSize);
return String(&letters[lettersSize - length], length);
}
template <typename CharacterType>
static String toSymbolic(int number, const CharacterType* symbols, unsigned symbolsSize)
{
ASSERT(number > 0);
ASSERT(symbolsSize >= 1);
unsigned numberShadow = number;
--numberShadow;
// The asterisks list-style-type is the worst case; we show |numberShadow| asterisks.
StringBuilder letters;
letters.append(symbols[numberShadow % symbolsSize]);
unsigned numSymbols = numberShadow / symbolsSize;
while (numSymbols--)
letters.append(symbols[numberShadow % symbolsSize]);
return letters.toString();
}
template <typename CharacterType>
static String toAlphabetic(int number, const CharacterType* alphabet, unsigned alphabetSize)
{
return toAlphabeticOrNumeric(number, alphabet, alphabetSize, AlphabeticSequence);
}
template <typename CharacterType>
static String toNumeric(int number, const CharacterType* numerals, unsigned numeralsSize)
{
return toAlphabeticOrNumeric(number, numerals, numeralsSize, NumericSequence);
}
template <typename CharacterType, size_t size>
static inline String toAlphabetic(int number, const CharacterType(&alphabet)[size])
{
return toAlphabetic(number, alphabet, size);
}
template <typename CharacterType, size_t size>
static inline String toNumeric(int number, const CharacterType(&alphabet)[size])
{
return toNumeric(number, alphabet, size);
}
template <typename CharacterType, size_t size>
static inline String toSymbolic(int number, const CharacterType(&alphabet)[size])
{
return toSymbolic(number, alphabet, size);
}
static int toHebrewUnder1000(int number, UChar letters[5])
{
// FIXME: CSS3 mentions various refinements not implemented here.
// FIXME: Should take a look at Mozilla's HebrewToText function (in nsBulletFrame).
ASSERT(number >= 0 && number < 1000);
int length = 0;
int fourHundreds = number / 400;
for (int i = 0; i < fourHundreds; i++)
letters[length++] = 1511 + 3;
number %= 400;
if (number / 100)
letters[length++] = 1511 + (number / 100) - 1;
number %= 100;
if (number == 15 || number == 16) {
letters[length++] = 1487 + 9;
letters[length++] = 1487 + number - 9;
} else {
if (int tens = number / 10) {
static const UChar hebrewTens[9] = { 1497, 1499, 1500, 1502, 1504, 1505, 1506, 1508, 1510 };
letters[length++] = hebrewTens[tens - 1];
}
if (int ones = number % 10)
letters[length++] = 1487 + ones;
}
ASSERT(length <= 5);
return length;
}
static String toHebrew(int number)
{
// FIXME: CSS3 mentions ways to make this work for much larger numbers.
ASSERT(number >= 0 && number <= 999999);
if (number == 0) {
static const UChar hebrewZero[3] = { 0x05D0, 0x05E4, 0x05E1 };
return String(hebrewZero, 3);
}
const int lettersSize = 11; // big enough for two 5-digit sequences plus a quote mark between
UChar letters[lettersSize];
int length;
if (number < 1000)
length = 0;
else {
length = toHebrewUnder1000(number / 1000, letters);
letters[length++] = '\'';
number = number % 1000;
}
length += toHebrewUnder1000(number, letters + length);
ASSERT(length <= lettersSize);
return String(letters, length);
}
static int toArmenianUnder10000(int number, bool upper, bool addCircumflex, UChar letters[9])
{
ASSERT(number >= 0 && number < 10000);
int length = 0;
int lowerOffset = upper ? 0 : 0x0030;
if (int thousands = number / 1000) {
if (thousands == 7) {
letters[length++] = 0x0552 + lowerOffset;
if (addCircumflex)
letters[length++] = 0x0302;
} else {
letters[length++] = (0x054C - 1 + lowerOffset) + thousands;
if (addCircumflex)
letters[length++] = 0x0302;
}
}
if (int hundreds = (number / 100) % 10) {
letters[length++] = (0x0543 - 1 + lowerOffset) + hundreds;
if (addCircumflex)
letters[length++] = 0x0302;
}
if (int tens = (number / 10) % 10) {
letters[length++] = (0x053A - 1 + lowerOffset) + tens;
if (addCircumflex)
letters[length++] = 0x0302;
}
if (int ones = number % 10) {
letters[length++] = (0x531 - 1 + lowerOffset) + ones;
if (addCircumflex)
letters[length++] = 0x0302;
}
return length;
}
static String toArmenian(int number, bool upper)
{
ASSERT(number >= 1 && number <= 99999999);
const int lettersSize = 18; // twice what toArmenianUnder10000 needs
UChar letters[lettersSize];
int length = toArmenianUnder10000(number / 10000, upper, true, letters);
length += toArmenianUnder10000(number % 10000, upper, false, letters + length);
ASSERT(length <= lettersSize);
return String(letters, length);
}
static String toGeorgian(int number)
{
ASSERT(number >= 1 && number <= 19999);
const int lettersSize = 5;
UChar letters[lettersSize];
int length = 0;
if (number > 9999)
letters[length++] = 0x10F5;
if (int thousands = (number / 1000) % 10) {
static const UChar georgianThousands[9] = {
0x10E9, 0x10EA, 0x10EB, 0x10EC, 0x10ED, 0x10EE, 0x10F4, 0x10EF, 0x10F0
};
letters[length++] = georgianThousands[thousands - 1];
}
if (int hundreds = (number / 100) % 10) {
static const UChar georgianHundreds[9] = {
0x10E0, 0x10E1, 0x10E2, 0x10F3, 0x10E4, 0x10E5, 0x10E6, 0x10E7, 0x10E8
};
letters[length++] = georgianHundreds[hundreds - 1];
}
if (int tens = (number / 10) % 10) {
static const UChar georgianTens[9] = {
0x10D8, 0x10D9, 0x10DA, 0x10DB, 0x10DC, 0x10F2, 0x10DD, 0x10DE, 0x10DF
};
letters[length++] = georgianTens[tens - 1];
}
if (int ones = number % 10) {
static const UChar georgianOnes[9] = {
0x10D0, 0x10D1, 0x10D2, 0x10D3, 0x10D4, 0x10D5, 0x10D6, 0x10F1, 0x10D7
};
letters[length++] = georgianOnes[ones - 1];
}
ASSERT(length <= lettersSize);
return String(letters, length);
}
// The table uses the order from the CSS3 specification:
// first 3 group markers, then 3 digit markers, then ten digits.
static String toCJKIdeographic(int number, const UChar table[16])
{
ASSERT(number >= 0);
enum AbstractCJKChar {
noChar,
secondGroupMarker, thirdGroupMarker, fourthGroupMarker,
secondDigitMarker, thirdDigitMarker, fourthDigitMarker,
digit0, digit1, digit2, digit3, digit4,
digit5, digit6, digit7, digit8, digit9
};
if (number == 0)
return String(&table[digit0 - 1], 1);
const int groupLength = 8; // 4 digits, 3 digit markers, and a group marker
const int bufferLength = 4 * groupLength;
AbstractCJKChar buffer[bufferLength] = { noChar };
for (int i = 0; i < 4; ++i) {
int groupValue = number % 10000;
number /= 10000;
// Process least-significant group first, but put it in the buffer last.
AbstractCJKChar* group = &buffer[(3 - i) * groupLength];
if (groupValue && i)
group[7] = static_cast<AbstractCJKChar>(secondGroupMarker - 1 + i);
// Put in the four digits and digit markers for any non-zero digits.
group[6] = static_cast<AbstractCJKChar>(digit0 + (groupValue % 10));
if (number != 0 || groupValue > 9) {
int digitValue = ((groupValue / 10) % 10);
group[4] = static_cast<AbstractCJKChar>(digit0 + digitValue);
if (digitValue)
group[5] = secondDigitMarker;
}
if (number != 0 || groupValue > 99) {
int digitValue = ((groupValue / 100) % 10);
group[2] = static_cast<AbstractCJKChar>(digit0 + digitValue);
if (digitValue)
group[3] = thirdDigitMarker;
}
if (number != 0 || groupValue > 999) {
int digitValue = groupValue / 1000;
group[0] = static_cast<AbstractCJKChar>(digit0 + digitValue);
if (digitValue)
group[1] = fourthDigitMarker;
}
// Remove the tens digit, but leave the marker, for any group that has
// a value of less than 20.
if (groupValue < 20) {
ASSERT(group[4] == noChar || group[4] == digit0 || group[4] == digit1);
group[4] = noChar;
}
if (number == 0)
break;
}
// Convert into characters, omitting consecutive runs of digit0 and
// any trailing digit0.
int length = 0;
UChar characters[bufferLength];
AbstractCJKChar last = noChar;
for (int i = 0; i < bufferLength; ++i) {
AbstractCJKChar a = buffer[i];
if (a != noChar) {
if (a != digit0 || last != digit0)
characters[length++] = table[a - 1];
last = a;
}
}
if (last == digit0)
--length;
return String(characters, length);
}
static EListStyleType effectiveListMarkerType(EListStyleType type, int value)
{
// Note, the following switch statement has been explicitly grouped
// by list-style-type ordinal range.
switch (type) {
case ArabicIndic:
case Bengali:
case BinaryListStyle:
case Cambodian:
case Circle:
case DecimalLeadingZero:
case DecimalListStyle:
case Devanagari:
case Disc:
case Gujarati:
case Gurmukhi:
case Kannada:
case Khmer:
case Lao:
case LowerHexadecimal:
case Malayalam:
case Mongolian:
case Myanmar:
case NoneListStyle:
case Octal:
case Oriya:
case Persian:
case Square:
case Telugu:
case Thai:
case Tibetan:
case UpperHexadecimal:
case Urdu:
return type; // Can represent all ordinals.
case Armenian:
return (value < 1 || value > 99999999) ? DecimalListStyle : type;
case CJKIdeographic:
return (value < 0) ? DecimalListStyle : type;
case Georgian:
return (value < 1 || value > 19999) ? DecimalListStyle : type;
case Hebrew:
return (value < 0 || value > 999999) ? DecimalListStyle : type;
case LowerRoman:
case UpperRoman:
return (value < 1 || value > 3999) ? DecimalListStyle : type;
case Afar:
case Amharic:
case AmharicAbegede:
case Asterisks:
case CjkEarthlyBranch:
case CjkHeavenlyStem:
case Ethiopic:
case EthiopicAbegede:
case EthiopicAbegedeAmEt:
case EthiopicAbegedeGez:
case EthiopicAbegedeTiEr:
case EthiopicAbegedeTiEt:
case EthiopicHalehameAaEr:
case EthiopicHalehameAaEt:
case EthiopicHalehameAmEt:
case EthiopicHalehameGez:
case EthiopicHalehameOmEt:
case EthiopicHalehameSidEt:
case EthiopicHalehameSoEt:
case EthiopicHalehameTiEr:
case EthiopicHalehameTiEt:
case EthiopicHalehameTig:
case Footnotes:
case Hangul:
case HangulConsonant:
case Hiragana:
case HiraganaIroha:
case Katakana:
case KatakanaIroha:
case LowerAlpha:
case LowerArmenian:
case LowerGreek:
case LowerLatin:
case LowerNorwegian:
case Oromo:
case Sidama:
case Somali:
case Tigre:
case TigrinyaEr:
case TigrinyaErAbegede:
case TigrinyaEt:
case TigrinyaEtAbegede:
case UpperAlpha:
case UpperArmenian:
case UpperGreek:
case UpperLatin:
case UpperNorwegian:
return (value < 1) ? DecimalListStyle : type;
}
ASSERT_NOT_REACHED();
return type;
}
UChar RenderListMarker::listMarkerSuffix(EListStyleType type, int value)
{
// If the list-style-type cannot represent |value| because it's outside its
// ordinal range then we fall back to some list style that can represent |value|.
EListStyleType effectiveType = effectiveListMarkerType(type, value);
// Note, the following switch statement has been explicitly
// grouped by list-style-type suffix.
switch (effectiveType) {
case Asterisks:
case Circle:
case Disc:
case Footnotes:
case NoneListStyle:
case Square:
return ' ';
case Afar:
case Amharic:
case AmharicAbegede:
case Ethiopic:
case EthiopicAbegede:
case EthiopicAbegedeAmEt:
case EthiopicAbegedeGez:
case EthiopicAbegedeTiEr:
case EthiopicAbegedeTiEt:
case EthiopicHalehameAaEr:
case EthiopicHalehameAaEt:
case EthiopicHalehameAmEt:
case EthiopicHalehameGez:
case EthiopicHalehameOmEt:
case EthiopicHalehameSidEt:
case EthiopicHalehameSoEt:
case EthiopicHalehameTiEr:
case EthiopicHalehameTiEt:
case EthiopicHalehameTig:
case Oromo:
case Sidama:
case Somali:
case Tigre:
case TigrinyaEr:
case TigrinyaErAbegede:
case TigrinyaEt:
case TigrinyaEtAbegede:
return ethiopicPrefaceColon;
case Armenian:
case ArabicIndic:
case Bengali:
case BinaryListStyle:
case Cambodian:
case CJKIdeographic:
case CjkEarthlyBranch:
case CjkHeavenlyStem:
case DecimalLeadingZero:
case DecimalListStyle:
case Devanagari:
case Georgian:
case Gujarati:
case Gurmukhi:
case Hangul:
case HangulConsonant:
case Hebrew:
case Hiragana:
case HiraganaIroha:
case Kannada:
case Katakana:
case KatakanaIroha:
case Khmer:
case Lao:
case LowerAlpha:
case LowerArmenian:
case LowerGreek:
case LowerHexadecimal:
case LowerLatin:
case LowerNorwegian:
case LowerRoman:
case Malayalam:
case Mongolian:
case Myanmar:
case Octal:
case Oriya:
case Persian:
case Telugu:
case Thai:
case Tibetan:
case UpperAlpha:
case UpperArmenian:
case UpperGreek:
case UpperHexadecimal:
case UpperLatin:
case UpperNorwegian:
case UpperRoman:
case Urdu:
return '.';
}
ASSERT_NOT_REACHED();
return '.';
}
String listMarkerText(EListStyleType type, int value)
{
// If the list-style-type, say hebrew, cannot represent |value| because it's outside
// its ordinal range then we fallback to some list style that can represent |value|.
switch (effectiveListMarkerType(type, value)) {
case NoneListStyle:
return "";
case Asterisks: {
static const LChar asterisksSymbols[1] = {
0x2A
};
return toSymbolic(value, asterisksSymbols);
}
// We use the same characters for text security.
// See RenderText::setInternalString.
case Circle:
return String(&whiteBullet, 1);
case Disc:
return String(&bullet, 1);
case Footnotes: {
static const UChar footnotesSymbols[4] = {
0x002A, 0x2051, 0x2020, 0x2021
};
return toSymbolic(value, footnotesSymbols);
}
case Square:
// The CSS 2.1 test suite uses U+25EE BLACK MEDIUM SMALL SQUARE
// instead, but I think this looks better.
return String(&blackSquare, 1);
case DecimalListStyle:
return String::number(value);
case DecimalLeadingZero:
if (value < -9 || value > 9)
return String::number(value);
if (value < 0)
return "-0" + String::number(-value); // -01 to -09
return "0" + String::number(value); // 00 to 09
case ArabicIndic: {
static const UChar arabicIndicNumerals[10] = {
0x0660, 0x0661, 0x0662, 0x0663, 0x0664, 0x0665, 0x0666, 0x0667, 0x0668, 0x0669
};
return toNumeric(value, arabicIndicNumerals);
}
case BinaryListStyle: {
static const LChar binaryNumerals[2] = {
'0', '1'
};
return toNumeric(value, binaryNumerals);
}
case Bengali: {
static const UChar bengaliNumerals[10] = {
0x09E6, 0x09E7, 0x09E8, 0x09E9, 0x09EA, 0x09EB, 0x09EC, 0x09ED, 0x09EE, 0x09EF
};
return toNumeric(value, bengaliNumerals);
}
case Cambodian:
case Khmer: {
static const UChar khmerNumerals[10] = {
0x17E0, 0x17E1, 0x17E2, 0x17E3, 0x17E4, 0x17E5, 0x17E6, 0x17E7, 0x17E8, 0x17E9
};
return toNumeric(value, khmerNumerals);
}
case Devanagari: {
static const UChar devanagariNumerals[10] = {
0x0966, 0x0967, 0x0968, 0x0969, 0x096A, 0x096B, 0x096C, 0x096D, 0x096E, 0x096F
};
return toNumeric(value, devanagariNumerals);
}
case Gujarati: {
static const UChar gujaratiNumerals[10] = {
0x0AE6, 0x0AE7, 0x0AE8, 0x0AE9, 0x0AEA, 0x0AEB, 0x0AEC, 0x0AED, 0x0AEE, 0x0AEF
};
return toNumeric(value, gujaratiNumerals);
}
case Gurmukhi: {
static const UChar gurmukhiNumerals[10] = {
0x0A66, 0x0A67, 0x0A68, 0x0A69, 0x0A6A, 0x0A6B, 0x0A6C, 0x0A6D, 0x0A6E, 0x0A6F
};
return toNumeric(value, gurmukhiNumerals);
}
case Kannada: {
static const UChar kannadaNumerals[10] = {
0x0CE6, 0x0CE7, 0x0CE8, 0x0CE9, 0x0CEA, 0x0CEB, 0x0CEC, 0x0CED, 0x0CEE, 0x0CEF
};
return toNumeric(value, kannadaNumerals);
}
case LowerHexadecimal: {
static const LChar lowerHexadecimalNumerals[16] = {
'0', '1', '2', '3', '4', '5', '6', '7', '8', '9', 'a', 'b', 'c', 'd', 'e', 'f'
};
return toNumeric(value, lowerHexadecimalNumerals);
}
case Lao: {
static const UChar laoNumerals[10] = {
0x0ED0, 0x0ED1, 0x0ED2, 0x0ED3, 0x0ED4, 0x0ED5, 0x0ED6, 0x0ED7, 0x0ED8, 0x0ED9
};
return toNumeric(value, laoNumerals);
}
case Malayalam: {
static const UChar malayalamNumerals[10] = {
0x0D66, 0x0D67, 0x0D68, 0x0D69, 0x0D6A, 0x0D6B, 0x0D6C, 0x0D6D, 0x0D6E, 0x0D6F
};
return toNumeric(value, malayalamNumerals);
}
case Mongolian: {
static const UChar mongolianNumerals[10] = {
0x1810, 0x1811, 0x1812, 0x1813, 0x1814, 0x1815, 0x1816, 0x1817, 0x1818, 0x1819
};
return toNumeric(value, mongolianNumerals);
}
case Myanmar: {
static const UChar myanmarNumerals[10] = {
0x1040, 0x1041, 0x1042, 0x1043, 0x1044, 0x1045, 0x1046, 0x1047, 0x1048, 0x1049
};
return toNumeric(value, myanmarNumerals);
}
case Octal: {
static const LChar octalNumerals[8] = {
'0', '1', '2', '3', '4', '5', '6', '7'
};
return toNumeric(value, octalNumerals);
}
case Oriya: {
static const UChar oriyaNumerals[10] = {
0x0B66, 0x0B67, 0x0B68, 0x0B69, 0x0B6A, 0x0B6B, 0x0B6C, 0x0B6D, 0x0B6E, 0x0B6F
};
return toNumeric(value, oriyaNumerals);
}
case Persian:
case Urdu: {
static const UChar urduNumerals[10] = {
0x06F0, 0x06F1, 0x06F2, 0x06F3, 0x06F4, 0x06F5, 0x06F6, 0x06F7, 0x06F8, 0x06F9
};
return toNumeric(value, urduNumerals);
}
case Telugu: {
static const UChar teluguNumerals[10] = {
0x0C66, 0x0C67, 0x0C68, 0x0C69, 0x0C6A, 0x0C6B, 0x0C6C, 0x0C6D, 0x0C6E, 0x0C6F
};
return toNumeric(value, teluguNumerals);
}
case Tibetan: {
static const UChar tibetanNumerals[10] = {
0x0F20, 0x0F21, 0x0F22, 0x0F23, 0x0F24, 0x0F25, 0x0F26, 0x0F27, 0x0F28, 0x0F29
};
return toNumeric(value, tibetanNumerals);
}
case Thai: {
static const UChar thaiNumerals[10] = {
0x0E50, 0x0E51, 0x0E52, 0x0E53, 0x0E54, 0x0E55, 0x0E56, 0x0E57, 0x0E58, 0x0E59
};
return toNumeric(value, thaiNumerals);
}
case UpperHexadecimal: {
static const LChar upperHexadecimalNumerals[16] = {
'0', '1', '2', '3', '4', '5', '6', '7', '8', '9', 'A', 'B', 'C', 'D', 'E', 'F'
};
return toNumeric(value, upperHexadecimalNumerals);
}
case LowerAlpha:
case LowerLatin: {
static const LChar lowerLatinAlphabet[26] = {
'a', 'b', 'c', 'd', 'e', 'f', 'g', 'h', 'i', 'j', 'k', 'l', 'm',
'n', 'o', 'p', 'q', 'r', 's', 't', 'u', 'v', 'w', 'x', 'y', 'z'
};
return toAlphabetic(value, lowerLatinAlphabet);
}
case UpperAlpha:
case UpperLatin: {
static const LChar upperLatinAlphabet[26] = {
'A', 'B', 'C', 'D', 'E', 'F', 'G', 'H', 'I', 'J', 'K', 'L', 'M',
'N', 'O', 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W', 'X', 'Y', 'Z'
};
return toAlphabetic(value, upperLatinAlphabet);
}
case LowerGreek: {
static const UChar lowerGreekAlphabet[24] = {
0x03B1, 0x03B2, 0x03B3, 0x03B4, 0x03B5, 0x03B6, 0x03B7, 0x03B8,
0x03B9, 0x03BA, 0x03BB, 0x03BC, 0x03BD, 0x03BE, 0x03BF, 0x03C0,
0x03C1, 0x03C3, 0x03C4, 0x03C5, 0x03C6, 0x03C7, 0x03C8, 0x03C9
};
return toAlphabetic(value, lowerGreekAlphabet);
}
case Hiragana: {
// FIXME: This table comes from the CSS3 draft, and is probably
// incorrect, given the comments in that draft.
static const UChar hiraganaAlphabet[48] = {
0x3042, 0x3044, 0x3046, 0x3048, 0x304A, 0x304B, 0x304D, 0x304F,
0x3051, 0x3053, 0x3055, 0x3057, 0x3059, 0x305B, 0x305D, 0x305F,
0x3061, 0x3064, 0x3066, 0x3068, 0x306A, 0x306B, 0x306C, 0x306D,
0x306E, 0x306F, 0x3072, 0x3075, 0x3078, 0x307B, 0x307E, 0x307F,
0x3080, 0x3081, 0x3082, 0x3084, 0x3086, 0x3088, 0x3089, 0x308A,
0x308B, 0x308C, 0x308D, 0x308F, 0x3090, 0x3091, 0x3092, 0x3093
};
return toAlphabetic(value, hiraganaAlphabet);
}
case HiraganaIroha: {
// FIXME: This table comes from the CSS3 draft, and is probably
// incorrect, given the comments in that draft.
static const UChar hiraganaIrohaAlphabet[47] = {
0x3044, 0x308D, 0x306F, 0x306B, 0x307B, 0x3078, 0x3068, 0x3061,
0x308A, 0x306C, 0x308B, 0x3092, 0x308F, 0x304B, 0x3088, 0x305F,
0x308C, 0x305D, 0x3064, 0x306D, 0x306A, 0x3089, 0x3080, 0x3046,
0x3090, 0x306E, 0x304A, 0x304F, 0x3084, 0x307E, 0x3051, 0x3075,
0x3053, 0x3048, 0x3066, 0x3042, 0x3055, 0x304D, 0x3086, 0x3081,
0x307F, 0x3057, 0x3091, 0x3072, 0x3082, 0x305B, 0x3059
};
return toAlphabetic(value, hiraganaIrohaAlphabet);
}
case Katakana: {
// FIXME: This table comes from the CSS3 draft, and is probably
// incorrect, given the comments in that draft.
static const UChar katakanaAlphabet[48] = {
0x30A2, 0x30A4, 0x30A6, 0x30A8, 0x30AA, 0x30AB, 0x30AD, 0x30AF,
0x30B1, 0x30B3, 0x30B5, 0x30B7, 0x30B9, 0x30BB, 0x30BD, 0x30BF,
0x30C1, 0x30C4, 0x30C6, 0x30C8, 0x30CA, 0x30CB, 0x30CC, 0x30CD,
0x30CE, 0x30CF, 0x30D2, 0x30D5, 0x30D8, 0x30DB, 0x30DE, 0x30DF,
0x30E0, 0x30E1, 0x30E2, 0x30E4, 0x30E6, 0x30E8, 0x30E9, 0x30EA,
0x30EB, 0x30EC, 0x30ED, 0x30EF, 0x30F0, 0x30F1, 0x30F2, 0x30F3
};
return toAlphabetic(value, katakanaAlphabet);
}
case KatakanaIroha: {
// FIXME: This table comes from the CSS3 draft, and is probably
// incorrect, given the comments in that draft.
static const UChar katakanaIrohaAlphabet[47] = {
0x30A4, 0x30ED, 0x30CF, 0x30CB, 0x30DB, 0x30D8, 0x30C8, 0x30C1,
0x30EA, 0x30CC, 0x30EB, 0x30F2, 0x30EF, 0x30AB, 0x30E8, 0x30BF,
0x30EC, 0x30BD, 0x30C4, 0x30CD, 0x30CA, 0x30E9, 0x30E0, 0x30A6,
0x30F0, 0x30CE, 0x30AA, 0x30AF, 0x30E4, 0x30DE, 0x30B1, 0x30D5,
0x30B3, 0x30A8, 0x30C6, 0x30A2, 0x30B5, 0x30AD, 0x30E6, 0x30E1,
0x30DF, 0x30B7, 0x30F1, 0x30D2, 0x30E2, 0x30BB, 0x30B9
};
return toAlphabetic(value, katakanaIrohaAlphabet);
}
case Afar:
case EthiopicHalehameAaEt:
case EthiopicHalehameAaEr: {
static const UChar ethiopicHalehameAaErAlphabet[18] = {
0x1200, 0x1208, 0x1210, 0x1218, 0x1228, 0x1230, 0x1260, 0x1270, 0x1290,
0x12A0, 0x12A8, 0x12C8, 0x12D0, 0x12E8, 0x12F0, 0x1308, 0x1338, 0x1348
};
return toAlphabetic(value, ethiopicHalehameAaErAlphabet);
}
case Amharic:
case EthiopicHalehameAmEt: {
static const UChar ethiopicHalehameAmEtAlphabet[33] = {
0x1200, 0x1208, 0x1210, 0x1218, 0x1220, 0x1228, 0x1230, 0x1238, 0x1240,
0x1260, 0x1270, 0x1278, 0x1280, 0x1290, 0x1298, 0x12A0, 0x12A8, 0x12B8,
0x12C8, 0x12D0, 0x12D8, 0x12E0, 0x12E8, 0x12F0, 0x1300, 0x1308, 0x1320,
0x1328, 0x1330, 0x1338, 0x1340, 0x1348, 0x1350
};
return toAlphabetic(value, ethiopicHalehameAmEtAlphabet);
}
case AmharicAbegede:
case EthiopicAbegedeAmEt: {
static const UChar ethiopicAbegedeAmEtAlphabet[33] = {
0x12A0, 0x1260, 0x1308, 0x12F0, 0x1300, 0x1200, 0x12C8, 0x12D8, 0x12E0,
0x1210, 0x1320, 0x1328, 0x12E8, 0x12A8, 0x12B8, 0x1208, 0x1218, 0x1290,
0x1298, 0x1220, 0x12D0, 0x1348, 0x1338, 0x1240, 0x1228, 0x1230, 0x1238,
0x1270, 0x1278, 0x1280, 0x1340, 0x1330, 0x1350
};
return toAlphabetic(value, ethiopicAbegedeAmEtAlphabet);
}
case CjkEarthlyBranch: {
static const UChar cjkEarthlyBranchAlphabet[12] = {
0x5B50, 0x4E11, 0x5BC5, 0x536F, 0x8FB0, 0x5DF3, 0x5348, 0x672A, 0x7533,
0x9149, 0x620C, 0x4EA5
};
return toAlphabetic(value, cjkEarthlyBranchAlphabet);
}
case CjkHeavenlyStem: {
static const UChar cjkHeavenlyStemAlphabet[10] = {
0x7532, 0x4E59, 0x4E19, 0x4E01, 0x620A, 0x5DF1, 0x5E9A, 0x8F9B, 0x58EC,
0x7678
};
return toAlphabetic(value, cjkHeavenlyStemAlphabet);
}
case Ethiopic:
case EthiopicHalehameGez: {
static const UChar ethiopicHalehameGezAlphabet[26] = {
0x1200, 0x1208, 0x1210, 0x1218, 0x1220, 0x1228, 0x1230, 0x1240, 0x1260,
0x1270, 0x1280, 0x1290, 0x12A0, 0x12A8, 0x12C8, 0x12D0, 0x12D8, 0x12E8,
0x12F0, 0x1308, 0x1320, 0x1330, 0x1338, 0x1340, 0x1348, 0x1350
};
return toAlphabetic(value, ethiopicHalehameGezAlphabet);
}
case EthiopicAbegede:
case EthiopicAbegedeGez: {
static const UChar ethiopicAbegedeGezAlphabet[26] = {
0x12A0, 0x1260, 0x1308, 0x12F0, 0x1200, 0x12C8, 0x12D8, 0x1210, 0x1320,
0x12E8, 0x12A8, 0x1208, 0x1218, 0x1290, 0x1220, 0x12D0, 0x1348, 0x1338,
0x1240, 0x1228, 0x1230, 0x1270, 0x1280, 0x1340, 0x1330, 0x1350
};
return toAlphabetic(value, ethiopicAbegedeGezAlphabet);
}
case HangulConsonant: {
static const UChar hangulConsonantAlphabet[14] = {
0x3131, 0x3134, 0x3137, 0x3139, 0x3141, 0x3142, 0x3145, 0x3147, 0x3148,
0x314A, 0x314B, 0x314C, 0x314D, 0x314E
};
return toAlphabetic(value, hangulConsonantAlphabet);
}
case Hangul: {
static const UChar hangulAlphabet[14] = {
0xAC00, 0xB098, 0xB2E4, 0xB77C, 0xB9C8, 0xBC14, 0xC0AC, 0xC544, 0xC790,
0xCC28, 0xCE74, 0xD0C0, 0xD30C, 0xD558
};
return toAlphabetic(value, hangulAlphabet);
}
case Oromo:
case EthiopicHalehameOmEt: {
static const UChar ethiopicHalehameOmEtAlphabet[25] = {
0x1200, 0x1208, 0x1218, 0x1228, 0x1230, 0x1238, 0x1240, 0x1260, 0x1270,
0x1278, 0x1290, 0x1298, 0x12A0, 0x12A8, 0x12C8, 0x12E8, 0x12F0, 0x12F8,
0x1300, 0x1308, 0x1320, 0x1328, 0x1338, 0x1330, 0x1348
};
return toAlphabetic(value, ethiopicHalehameOmEtAlphabet);
}
case Sidama:
case EthiopicHalehameSidEt: {
static const UChar ethiopicHalehameSidEtAlphabet[26] = {
0x1200, 0x1208, 0x1210, 0x1218, 0x1228, 0x1230, 0x1238, 0x1240, 0x1260,
0x1270, 0x1278, 0x1290, 0x1298, 0x12A0, 0x12A8, 0x12C8, 0x12E8, 0x12F0,
0x12F8, 0x1300, 0x1308, 0x1320, 0x1328, 0x1338, 0x1330, 0x1348
};
return toAlphabetic(value, ethiopicHalehameSidEtAlphabet);
}
case Somali:
case EthiopicHalehameSoEt: {
static const UChar ethiopicHalehameSoEtAlphabet[22] = {
0x1200, 0x1208, 0x1210, 0x1218, 0x1228, 0x1230, 0x1238, 0x1240, 0x1260,
0x1270, 0x1290, 0x12A0, 0x12A8, 0x12B8, 0x12C8, 0x12D0, 0x12E8, 0x12F0,
0x1300, 0x1308, 0x1338, 0x1348
};
return toAlphabetic(value, ethiopicHalehameSoEtAlphabet);
}
case Tigre:
case EthiopicHalehameTig: {
static const UChar ethiopicHalehameTigAlphabet[27] = {
0x1200, 0x1208, 0x1210, 0x1218, 0x1228, 0x1230, 0x1238, 0x1240, 0x1260,
0x1270, 0x1278, 0x1290, 0x12A0, 0x12A8, 0x12C8, 0x12D0, 0x12D8, 0x12E8,
0x12F0, 0x1300, 0x1308, 0x1320, 0x1328, 0x1338, 0x1330, 0x1348, 0x1350
};
return toAlphabetic(value, ethiopicHalehameTigAlphabet);
}
case TigrinyaEr:
case EthiopicHalehameTiEr: {
static const UChar ethiopicHalehameTiErAlphabet[31] = {
0x1200, 0x1208, 0x1210, 0x1218, 0x1228, 0x1230, 0x1238, 0x1240, 0x1250,
0x1260, 0x1270, 0x1278, 0x1290, 0x1298, 0x12A0, 0x12A8, 0x12B8, 0x12C8,
0x12D0, 0x12D8, 0x12E0, 0x12E8, 0x12F0, 0x1300, 0x1308, 0x1320, 0x1328,
0x1330, 0x1338, 0x1348, 0x1350
};
return toAlphabetic(value, ethiopicHalehameTiErAlphabet);
}
case TigrinyaErAbegede:
case EthiopicAbegedeTiEr: {
static const UChar ethiopicAbegedeTiErAlphabet[31] = {
0x12A0, 0x1260, 0x1308, 0x12F0, 0x1300, 0x1200, 0x12C8, 0x12D8, 0x12E0,
0x1210, 0x1320, 0x1328, 0x12E8, 0x12A8, 0x12B8, 0x1208, 0x1218, 0x1290,
0x1298, 0x12D0, 0x1348, 0x1338, 0x1240, 0x1250, 0x1228, 0x1230, 0x1238,
0x1270, 0x1278, 0x1330, 0x1350
};
return toAlphabetic(value, ethiopicAbegedeTiErAlphabet);
}
case TigrinyaEt:
case EthiopicHalehameTiEt: {
static const UChar ethiopicHalehameTiEtAlphabet[34] = {
0x1200, 0x1208, 0x1210, 0x1218, 0x1220, 0x1228, 0x1230, 0x1238, 0x1240,
0x1250, 0x1260, 0x1270, 0x1278, 0x1280, 0x1290, 0x1298, 0x12A0, 0x12A8,
0x12B8, 0x12C8, 0x12D0, 0x12D8, 0x12E0, 0x12E8, 0x12F0, 0x1300, 0x1308,
0x1320, 0x1328, 0x1330, 0x1338, 0x1340, 0x1348, 0x1350
};
return toAlphabetic(value, ethiopicHalehameTiEtAlphabet);
}
case TigrinyaEtAbegede:
case EthiopicAbegedeTiEt: {
static const UChar ethiopicAbegedeTiEtAlphabet[34] = {
0x12A0, 0x1260, 0x1308, 0x12F0, 0x1300, 0x1200, 0x12C8, 0x12D8, 0x12E0,
0x1210, 0x1320, 0x1328, 0x12E8, 0x12A8, 0x12B8, 0x1208, 0x1218, 0x1290,
0x1298, 0x1220, 0x12D0, 0x1348, 0x1338, 0x1240, 0x1250, 0x1228, 0x1230,
0x1238, 0x1270, 0x1278, 0x1280, 0x1340, 0x1330, 0x1350
};
return toAlphabetic(value, ethiopicAbegedeTiEtAlphabet);
}
case UpperGreek: {
static const UChar upperGreekAlphabet[24] = {
0x0391, 0x0392, 0x0393, 0x0394, 0x0395, 0x0396, 0x0397, 0x0398, 0x0399,
0x039A, 0x039B, 0x039C, 0x039D, 0x039E, 0x039F, 0x03A0, 0x03A1, 0x03A3,
0x03A4, 0x03A5, 0x03A6, 0x03A7, 0x03A8, 0x03A9
};
return toAlphabetic(value, upperGreekAlphabet);
}
case LowerNorwegian: {
static const LChar lowerNorwegianAlphabet[29] = {
0x61, 0x62, 0x63, 0x64, 0x65, 0x66, 0x67, 0x68, 0x69,
0x6A, 0x6B, 0x6C, 0x6D, 0x6E, 0x6F, 0x70, 0x71, 0x72,
0x73, 0x74, 0x75, 0x76, 0x77, 0x78, 0x79, 0x7A, 0xE6,
0xF8, 0xE5
};
return toAlphabetic(value, lowerNorwegianAlphabet);
}
case UpperNorwegian: {
static const LChar upperNorwegianAlphabet[29] = {
0x41, 0x42, 0x43, 0x44, 0x45, 0x46, 0x47, 0x48, 0x49,
0x4A, 0x4B, 0x4C, 0x4D, 0x4E, 0x4F, 0x50, 0x51, 0x52,
0x53, 0x54, 0x55, 0x56, 0x57, 0x58, 0x59, 0x5A, 0xC6,
0xD8, 0xC5
};
return toAlphabetic(value, upperNorwegianAlphabet);
}
case CJKIdeographic: {
static const UChar traditionalChineseInformalTable[16] = {
0x842C, 0x5104, 0x5146,
0x5341, 0x767E, 0x5343,
0x96F6, 0x4E00, 0x4E8C, 0x4E09, 0x56DB,
0x4E94, 0x516D, 0x4E03, 0x516B, 0x4E5D
};
return toCJKIdeographic(value, traditionalChineseInformalTable);
}
case LowerRoman:
return toRoman(value, false);
case UpperRoman:
return toRoman(value, true);
case Armenian:
case UpperArmenian:
// CSS3 says "armenian" means "lower-armenian".
// But the CSS2.1 test suite contains uppercase test results for "armenian",
// so we'll match the test suite.
return toArmenian(value, true);
case LowerArmenian:
return toArmenian(value, false);
case Georgian:
return toGeorgian(value);
case Hebrew:
return toHebrew(value);
}
ASSERT_NOT_REACHED();
return "";
}
RenderListMarker::RenderListMarker(RenderListItem* item)
: RenderBox(0)
, m_listItem(item)
{
// init RenderObject attributes
setInline(true); // our object is Inline
setReplaced(true); // pretend to be replaced
}
RenderListMarker::~RenderListMarker()
{
}
void RenderListMarker::destroy()
{
if (m_image)
m_image->removeClient(this);
RenderBox::destroy();
}
void RenderListMarker::trace(Visitor* visitor)
{
visitor->trace(m_listItem);
RenderBox::trace(visitor);
}
RenderListMarker* RenderListMarker::createAnonymous(RenderListItem* item)
{
Document& document = item->document();
RenderListMarker* renderer = new RenderListMarker(item);
renderer->setDocumentForAnonymous(&document);
return renderer;
}
void RenderListMarker::styleWillChange(StyleDifference diff, const RenderStyle& newStyle)
{
if (style() && (newStyle.listStylePosition() != style()->listStylePosition() || newStyle.listStyleType() != style()->listStyleType()))
setNeedsLayoutAndPrefWidthsRecalcAndFullPaintInvalidation();
RenderBox::styleWillChange(diff, newStyle);
}
void RenderListMarker::styleDidChange(StyleDifference diff, const RenderStyle* oldStyle)
{
RenderBox::styleDidChange(diff, oldStyle);
if (m_image != style()->listStyleImage()) {
if (m_image)
m_image->removeClient(this);
m_image = style()->listStyleImage();
if (m_image)
m_image->addClient(this);
}
}
InlineBox* RenderListMarker::createInlineBox()
{
InlineBox* result = RenderBox::createInlineBox();
result->setIsText(isText());
return result;
}
bool RenderListMarker::isImage() const
{
return m_image && !m_image->errorOccurred();
}
LayoutRect RenderListMarker::localSelectionRect()
{
InlineBox* box = inlineBoxWrapper();
if (!box)
return LayoutRect(LayoutPoint(), size());
RootInlineBox& root = inlineBoxWrapper()->root();
LayoutUnit newLogicalTop = root.block().style()->slowIsFlippedBlocksWritingMode() ? inlineBoxWrapper()->logicalBottom() - root.selectionBottom() : root.selectionTop() - inlineBoxWrapper()->logicalTop();
if (root.block().style()->isHorizontalWritingMode())
return LayoutRect(0, newLogicalTop, width(), root.selectionHeight());
return LayoutRect(newLogicalTop, 0, root.selectionHeight(), height());
}
void RenderListMarker::paint(PaintInfo& paintInfo, const LayoutPoint& paintOffset)
{
ListMarkerPainter(*this).paint(paintInfo, paintOffset);
}
void RenderListMarker::layout()
{
ASSERT(needsLayout());
if (isImage()) {
updateMarginsAndContent();
setWidth(m_image->imageSize(this, style()->effectiveZoom()).width());
setHeight(m_image->imageSize(this, style()->effectiveZoom()).height());
} else {
setLogicalWidth(minPreferredLogicalWidth());
setLogicalHeight(style()->fontMetrics().height());
}
setMarginStart(0);
setMarginEnd(0);
Length startMargin = style()->marginStart();
Length endMargin = style()->marginEnd();
if (startMargin.isFixed())
setMarginStart(startMargin.value());
if (endMargin.isFixed())
setMarginEnd(endMargin.value());
clearNeedsLayout();
}
void RenderListMarker::imageChanged(WrappedImagePtr o, const IntRect*)
{
// A list marker can't have a background or border image, so no need to call the base class method.
if (o != m_image->data())
return;
if (width() != m_image->imageSize(this, style()->effectiveZoom()).width() || height() != m_image->imageSize(this, style()->effectiveZoom()).height() || m_image->errorOccurred())
setNeedsLayoutAndPrefWidthsRecalcAndFullPaintInvalidation();
else
setShouldDoFullPaintInvalidation();
}
void RenderListMarker::updateMarginsAndContent()
{
updateContent();
updateMargins();
}
void RenderListMarker::updateContent()
{
// FIXME: This if-statement is just a performance optimization, but it's messy to use the preferredLogicalWidths dirty bit for this.
// It's unclear if this is a premature optimization.
if (!preferredLogicalWidthsDirty())
return;
m_text = "";
if (isImage()) {
// FIXME: This is a somewhat arbitrary width. Generated images for markers really won't become particularly useful
// until we support the CSS3 marker pseudoclass to allow control over the width and height of the marker box.
int bulletWidth = style()->fontMetrics().ascent() / 2;
IntSize defaultBulletSize(bulletWidth, bulletWidth);
IntSize imageSize = calculateImageIntrinsicDimensions(m_image.get(), defaultBulletSize, DoNotScaleByEffectiveZoom);
m_image->setContainerSizeForRenderer(this, imageSize, style()->effectiveZoom());
return;
}
EListStyleType type = style()->listStyleType();
switch (type) {
case NoneListStyle:
break;
case Circle:
case Disc:
case Square:
m_text = listMarkerText(type, 0); // value is ignored for these types
break;
case Asterisks:
case Footnotes:
case Afar:
case Amharic:
case AmharicAbegede:
case ArabicIndic:
case Armenian:
case BinaryListStyle:
case Bengali:
case Cambodian:
case CJKIdeographic:
case CjkEarthlyBranch:
case CjkHeavenlyStem:
case DecimalLeadingZero:
case DecimalListStyle:
case Devanagari:
case Ethiopic:
case EthiopicAbegede:
case EthiopicAbegedeAmEt:
case EthiopicAbegedeGez:
case EthiopicAbegedeTiEr:
case EthiopicAbegedeTiEt:
case EthiopicHalehameAaEr:
case EthiopicHalehameAaEt:
case EthiopicHalehameAmEt:
case EthiopicHalehameGez:
case EthiopicHalehameOmEt:
case EthiopicHalehameSidEt:
case EthiopicHalehameSoEt:
case EthiopicHalehameTiEr:
case EthiopicHalehameTiEt:
case EthiopicHalehameTig:
case Georgian:
case Gujarati:
case Gurmukhi:
case Hangul:
case HangulConsonant:
case Hebrew:
case Hiragana:
case HiraganaIroha:
case Kannada:
case Katakana:
case KatakanaIroha:
case Khmer:
case Lao:
case LowerAlpha:
case LowerArmenian:
case LowerGreek:
case LowerHexadecimal:
case LowerLatin:
case LowerNorwegian:
case LowerRoman:
case Malayalam:
case Mongolian:
case Myanmar:
case Octal:
case Oriya:
case Oromo:
case Persian:
case Sidama:
case Somali:
case Telugu:
case Thai:
case Tibetan:
case Tigre:
case TigrinyaEr:
case TigrinyaErAbegede:
case TigrinyaEt:
case TigrinyaEtAbegede:
case UpperAlpha:
case UpperArmenian:
case UpperGreek:
case UpperHexadecimal:
case UpperLatin:
case UpperNorwegian:
case UpperRoman:
case Urdu:
m_text = listMarkerText(type, m_listItem->value());
break;
}
}
void RenderListMarker::computePreferredLogicalWidths()
{
ASSERT(preferredLogicalWidthsDirty());
updateContent();
if (isImage()) {
LayoutSize imageSize = m_image->imageSize(this, style()->effectiveZoom());
m_minPreferredLogicalWidth = m_maxPreferredLogicalWidth = style()->isHorizontalWritingMode() ? imageSize.width() : imageSize.height();
clearPreferredLogicalWidthsDirty();
updateMargins();
return;
}
const Font& font = style()->font();
LayoutUnit logicalWidth = 0;
EListStyleType type = style()->listStyleType();
switch (type) {
case NoneListStyle:
break;
case Asterisks:
case Footnotes:
logicalWidth = font.width(m_text); // no suffix for these types
break;
case Circle:
case Disc:
case Square:
logicalWidth = (font.fontMetrics().ascent() * 2 / 3 + 1) / 2 + 2;
break;
case Afar:
case Amharic:
case AmharicAbegede:
case ArabicIndic:
case Armenian:
case BinaryListStyle:
case Bengali:
case Cambodian:
case CJKIdeographic:
case CjkEarthlyBranch:
case CjkHeavenlyStem:
case DecimalLeadingZero:
case DecimalListStyle:
case Devanagari:
case Ethiopic:
case EthiopicAbegede:
case EthiopicAbegedeAmEt:
case EthiopicAbegedeGez:
case EthiopicAbegedeTiEr:
case EthiopicAbegedeTiEt:
case EthiopicHalehameAaEr:
case EthiopicHalehameAaEt:
case EthiopicHalehameAmEt:
case EthiopicHalehameGez:
case EthiopicHalehameOmEt:
case EthiopicHalehameSidEt:
case EthiopicHalehameSoEt:
case EthiopicHalehameTiEr:
case EthiopicHalehameTiEt:
case EthiopicHalehameTig:
case Georgian:
case Gujarati:
case Gurmukhi:
case Hangul:
case HangulConsonant:
case Hebrew:
case Hiragana:
case HiraganaIroha:
case Kannada:
case Katakana:
case KatakanaIroha:
case Khmer:
case Lao:
case LowerAlpha:
case LowerArmenian:
case LowerGreek:
case LowerHexadecimal:
case LowerLatin:
case LowerNorwegian:
case LowerRoman:
case Malayalam:
case Mongolian:
case Myanmar:
case Octal:
case Oriya:
case Oromo:
case Persian:
case Sidama:
case Somali:
case Telugu:
case Thai:
case Tibetan:
case Tigre:
case TigrinyaEr:
case TigrinyaErAbegede:
case TigrinyaEt:
case TigrinyaEtAbegede:
case UpperAlpha:
case UpperArmenian:
case UpperGreek:
case UpperHexadecimal:
case UpperLatin:
case UpperNorwegian:
case UpperRoman:
case Urdu:
if (m_text.isEmpty())
logicalWidth = 0;
else {
LayoutUnit itemWidth = font.width(m_text);
UChar suffixSpace[2] = { listMarkerSuffix(type, m_listItem->value()), ' ' };
LayoutUnit suffixSpaceWidth = font.width(constructTextRun(this, font, suffixSpace, 2, style(), style()->direction()));
logicalWidth = itemWidth + suffixSpaceWidth;
}
break;
}
m_minPreferredLogicalWidth = logicalWidth;
m_maxPreferredLogicalWidth = logicalWidth;
clearPreferredLogicalWidthsDirty();
updateMargins();
}
void RenderListMarker::updateMargins()
{
const FontMetrics& fontMetrics = style()->fontMetrics();
LayoutUnit marginStart = 0;
LayoutUnit marginEnd = 0;
if (isInside()) {
if (isImage())
marginEnd = cMarkerPadding;
else switch (style()->listStyleType()) {
case Disc:
case Circle:
case Square:
marginStart = -1;
marginEnd = fontMetrics.ascent() - minPreferredLogicalWidth() + 1;
break;
default:
break;
}
} else {
if (style()->isLeftToRightDirection()) {
if (isImage())
marginStart = -minPreferredLogicalWidth() - cMarkerPadding;
else {
int offset = fontMetrics.ascent() * 2 / 3;
switch (style()->listStyleType()) {
case Disc:
case Circle:
case Square:
marginStart = -offset - cMarkerPadding - 1;
break;
case NoneListStyle:
break;
default:
marginStart = m_text.isEmpty() ? LayoutUnit() : -minPreferredLogicalWidth() - offset / 2;
}
}
marginEnd = -marginStart - minPreferredLogicalWidth();
} else {
if (isImage())
marginEnd = cMarkerPadding;
else {
int offset = fontMetrics.ascent() * 2 / 3;
switch (style()->listStyleType()) {
case Disc:
case Circle:
case Square:
marginEnd = offset + cMarkerPadding + 1 - minPreferredLogicalWidth();
break;
case NoneListStyle:
break;
default:
marginEnd = m_text.isEmpty() ? 0 : offset / 2;
}
}
marginStart = -marginEnd - minPreferredLogicalWidth();
}
}
style()->setMarginStart(Length(marginStart, Fixed));
style()->setMarginEnd(Length(marginEnd, Fixed));
}
LayoutUnit RenderListMarker::lineHeight(bool firstLine, LineDirectionMode direction, LinePositionMode linePositionMode) const
{
if (!isImage())
return m_listItem->lineHeight(firstLine, direction, PositionOfInteriorLineBoxes);
return RenderBox::lineHeight(firstLine, direction, linePositionMode);
}
int RenderListMarker::baselinePosition(FontBaseline baselineType, bool firstLine, LineDirectionMode direction, LinePositionMode linePositionMode) const
{
ASSERT(linePositionMode == PositionOnContainingLine);
if (!isImage())
return m_listItem->baselinePosition(baselineType, firstLine, direction, PositionOfInteriorLineBoxes);
return RenderBox::baselinePosition(baselineType, firstLine, direction, linePositionMode);
}
bool RenderListMarker::isInside() const
{
return m_listItem->notInList() || style()->listStylePosition() == INSIDE;
}
IntRect RenderListMarker::getRelativeMarkerRect()
{
if (isImage())
return IntRect(0, 0, m_image->imageSize(this, style()->effectiveZoom()).width(), m_image->imageSize(this, style()->effectiveZoom()).height());
IntRect relativeRect;
EListStyleType type = style()->listStyleType();
switch (type) {
case Asterisks:
case Footnotes: {
const Font& font = style()->font();
relativeRect = IntRect(0, 0, font.width(m_text), font.fontMetrics().height());
break;
}
case Disc:
case Circle:
case Square: {
// FIXME: Are these particular rounding rules necessary?
const FontMetrics& fontMetrics = style()->fontMetrics();
int ascent = fontMetrics.ascent();
int bulletWidth = (ascent * 2 / 3 + 1) / 2;
relativeRect = IntRect(1, 3 * (ascent - ascent * 2 / 3) / 2, bulletWidth, bulletWidth);
break;
}
case NoneListStyle:
return IntRect();
case Afar:
case Amharic:
case AmharicAbegede:
case ArabicIndic:
case Armenian:
case BinaryListStyle:
case Bengali:
case Cambodian:
case CJKIdeographic:
case CjkEarthlyBranch:
case CjkHeavenlyStem:
case DecimalLeadingZero:
case DecimalListStyle:
case Devanagari:
case Ethiopic:
case EthiopicAbegede:
case EthiopicAbegedeAmEt:
case EthiopicAbegedeGez:
case EthiopicAbegedeTiEr:
case EthiopicAbegedeTiEt:
case EthiopicHalehameAaEr:
case EthiopicHalehameAaEt:
case EthiopicHalehameAmEt:
case EthiopicHalehameGez:
case EthiopicHalehameOmEt:
case EthiopicHalehameSidEt:
case EthiopicHalehameSoEt:
case EthiopicHalehameTiEr:
case EthiopicHalehameTiEt:
case EthiopicHalehameTig:
case Georgian:
case Gujarati:
case Gurmukhi:
case Hangul:
case HangulConsonant:
case Hebrew:
case Hiragana:
case HiraganaIroha:
case Kannada:
case Katakana:
case KatakanaIroha:
case Khmer:
case Lao:
case LowerAlpha:
case LowerArmenian:
case LowerGreek:
case LowerHexadecimal:
case LowerLatin:
case LowerNorwegian:
case LowerRoman:
case Malayalam:
case Mongolian:
case Myanmar:
case Octal:
case Oriya:
case Oromo:
case Persian:
case Sidama:
case Somali:
case Telugu:
case Thai:
case Tibetan:
case Tigre:
case TigrinyaEr:
case TigrinyaErAbegede:
case TigrinyaEt:
case TigrinyaEtAbegede:
case UpperAlpha:
case UpperArmenian:
case UpperGreek:
case UpperHexadecimal:
case UpperLatin:
case UpperNorwegian:
case UpperRoman:
case Urdu:
if (m_text.isEmpty())
return IntRect();
const Font& font = style()->font();
int itemWidth = font.width(m_text);
UChar suffixSpace[2] = { listMarkerSuffix(type, m_listItem->value()), ' ' };
int suffixSpaceWidth = font.width(constructTextRun(this, font, suffixSpace, 2, style(), style()->direction()));
relativeRect = IntRect(0, 0, itemWidth + suffixSpaceWidth, font.fontMetrics().height());
}
if (!style()->isHorizontalWritingMode()) {
relativeRect = relativeRect.transposedRect();
relativeRect.setX(width() - relativeRect.x() - relativeRect.width());
}
return relativeRect;
}
void RenderListMarker::setSelectionState(SelectionState state)
{
// The selection state for our containing block hierarchy is updated by the base class call.
RenderBox::setSelectionState(state);
if (inlineBoxWrapper() && canUpdateSelectionOnRootLineBoxes())
inlineBoxWrapper()->root().setHasSelectedChildren(state != SelectionNone);
}
LayoutRect RenderListMarker::selectionRectForPaintInvalidation(const RenderLayerModelObject* paintInvalidationContainer) const
{
ASSERT(!needsLayout());
if (selectionState() == SelectionNone || !inlineBoxWrapper())
return LayoutRect();
RootInlineBox& root = inlineBoxWrapper()->root();
LayoutRect rect(0, root.selectionTop() - y(), width(), root.selectionHeight());
mapRectToPaintInvalidationBacking(paintInvalidationContainer, rect, 0);
return rect;
}
void RenderListMarker::listItemStyleDidChange()
{
RefPtr<RenderStyle> newStyle = RenderStyle::create();
// The marker always inherits from the list item, regardless of where it might end
// up (e.g., in some deeply nested line box). See CSS3 spec.
newStyle->inheritFrom(m_listItem->style());
if (style()) {
// Reuse the current margins. Otherwise resetting the margins to initial values
// would trigger unnecessary layout.
newStyle->setMarginStart(style()->marginStart());
newStyle->setMarginEnd(style()->marginRight());
}
setStyle(newStyle.release());
}
} // namespace blink