| /* |
| * 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) |
| * |
| * 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 "RenderListMarker.h" |
| |
| #include "CachedImage.h" |
| #include "CharacterNames.h" |
| #include "Document.h" |
| #include "GraphicsContext.h" |
| #include "ListMarkerBox.h" |
| #include "RenderLayer.h" |
| #include "RenderListItem.h" |
| #include "RenderView.h" |
| |
| using namespace std; |
| using namespace WTF; |
| using namespace Unicode; |
| |
| namespace WebCore { |
| |
| const int cMarkerPadding = 7; |
| |
| 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. |
| if (number < 1 || number > 3999) |
| return String::number(number); |
| |
| const int lettersSize = 12; // big enough for three each of I, X, C, and M |
| UChar letters[lettersSize]; |
| |
| int length = 0; |
| const UChar ldigits[] = { 'i', 'v', 'x', 'l', 'c', 'd', 'm' }; |
| const UChar udigits[] = { 'I', 'V', 'X', 'L', 'C', 'D', 'M' }; |
| const UChar* 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); |
| } |
| |
| static String toAlphabetic(int number, const UChar* alphabet, int alphabetSize) |
| { |
| ASSERT(alphabetSize >= 10); |
| |
| if (number < 1) |
| return String::number(number); |
| |
| const int lettersSize = 10; // big enough for a 32-bit int, with a 10-letter alphabet |
| UChar letters[lettersSize]; |
| |
| --number; |
| letters[lettersSize - 1] = alphabet[number % alphabetSize]; |
| int length = 1; |
| while ((number /= alphabetSize) > 0) |
| letters[lettersSize - ++length] = alphabet[number % alphabetSize - 1]; |
| |
| ASSERT(length <= lettersSize); |
| return String(&letters[lettersSize - length], length); |
| } |
| |
| 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. |
| if (number < 0 || number > 999999) |
| return String::number(number); |
| |
| 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++] = 0x0548 + lowerOffset; |
| 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) |
| { |
| if (number < 1 || number > 99999999) |
| return String::number(number); |
| |
| 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) |
| { |
| if (number < 1 || number > 19999) |
| return String::number(number); |
| |
| 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]) |
| { |
| if (number < 0) |
| return String::number(number); |
| |
| 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); |
| } |
| |
| String listMarkerText(EListStyleType type, int value) |
| { |
| switch (type) { |
| case LNONE: |
| return ""; |
| |
| // We use the same characters for text security. |
| // See RenderText::setInternalString. |
| case CIRCLE: |
| return String(&whiteBullet, 1); |
| case DISC: |
| return String(&bullet, 1); |
| 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 LDECIMAL: |
| return String::number(value); |
| case DECIMAL_LEADING_ZERO: |
| 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 LOWER_ALPHA: |
| case LOWER_LATIN: { |
| static const UChar 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, 26); |
| } |
| case UPPER_ALPHA: |
| case UPPER_LATIN: { |
| static const UChar 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, 26); |
| } |
| case LOWER_GREEK: { |
| 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, 24); |
| } |
| |
| 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, 48); |
| } |
| case HIRAGANA_IROHA: { |
| // 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, 47); |
| } |
| 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, 48); |
| } |
| case KATAKANA_IROHA: { |
| // 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, 47); |
| } |
| |
| case CJK_IDEOGRAPHIC: { |
| 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 LOWER_ROMAN: |
| return toRoman(value, false); |
| case UPPER_ROMAN: |
| return toRoman(value, true); |
| |
| case ARMENIAN: |
| // 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 GEORGIAN: |
| return toGeorgian(value); |
| case HEBREW: |
| return toHebrew(value); |
| } |
| |
| ASSERT_NOT_REACHED(); |
| return ""; |
| } |
| |
| RenderListMarker::RenderListMarker(RenderListItem* item) |
| : RenderBox(item->document()) |
| , m_image(0) |
| , m_listItem(item) |
| , m_selectionState(SelectionNone) |
| { |
| // init RenderObject attributes |
| setInline(true); // our object is Inline |
| setReplaced(true); // pretend to be replaced |
| } |
| |
| RenderListMarker::~RenderListMarker() |
| { |
| if (m_image) |
| m_image->deref(this); |
| } |
| |
| void RenderListMarker::setStyle(RenderStyle* s) |
| { |
| if (style() && (s->listStylePosition() != style()->listStylePosition() || s->listStyleType() != style()->listStyleType())) |
| setNeedsLayoutAndPrefWidthsRecalc(); |
| |
| RenderBox::setStyle(s); |
| |
| if (m_image != style()->listStyleImage()) { |
| if (m_image) |
| m_image->deref(this); |
| m_image = style()->listStyleImage(); |
| if (m_image) |
| m_image->ref(this); |
| } |
| } |
| |
| InlineBox* RenderListMarker::createInlineBox(bool, bool isRootLineBox, bool) |
| { |
| ASSERT(!isRootLineBox); |
| ListMarkerBox* box = new (renderArena()) ListMarkerBox(this); |
| m_inlineBoxWrapper = box; |
| return box; |
| } |
| |
| bool RenderListMarker::isImage() const |
| { |
| return m_image && !m_image->errorOccurred(); |
| } |
| |
| void RenderListMarker::paint(PaintInfo& paintInfo, int tx, int ty) |
| { |
| if (paintInfo.phase != PaintPhaseForeground) |
| return; |
| |
| if (style()->visibility() != VISIBLE) |
| return; |
| |
| IntRect marker = getRelativeMarkerRect(); |
| marker.move(tx, ty); |
| |
| IntRect box(tx + m_x, ty + m_y, m_width, m_height); |
| |
| if (box.y() > paintInfo.rect.bottom() || box.y() + box.height() < paintInfo.rect.y()) |
| return; |
| |
| if (hasBoxDecorations()) |
| paintBoxDecorations(paintInfo, box.x(), box.y()); |
| |
| GraphicsContext* context = paintInfo.context; |
| context->setFont(style()->font()); |
| |
| if (isImage()) { |
| #if PLATFORM(MAC) |
| if (style()->highlight() != nullAtom && !paintInfo.context->paintingDisabled()) |
| paintCustomHighlight(tx, ty, style()->highlight(), true); |
| #endif |
| context->drawImage(m_image->image(), marker.location()); |
| if (selectionState() != SelectionNone) |
| context->fillRect(selectionRect(), selectionBackgroundColor()); |
| return; |
| } |
| |
| #if PLATFORM(MAC) |
| // FIXME: paint gap between marker and list item proper |
| if (style()->highlight() != nullAtom && !paintInfo.context->paintingDisabled()) |
| paintCustomHighlight(tx, ty, style()->highlight(), true); |
| #endif |
| |
| if (selectionState() != SelectionNone) |
| context->fillRect(selectionRect(), selectionBackgroundColor()); |
| |
| const Color color(style()->color()); |
| context->setStrokeColor(color); |
| context->setStrokeStyle(SolidStroke); |
| context->setStrokeThickness(1.0f); |
| context->setFillColor(color); |
| |
| switch (style()->listStyleType()) { |
| case DISC: |
| context->drawEllipse(marker); |
| return; |
| case CIRCLE: |
| context->setFillColor(Color::transparent); |
| context->drawEllipse(marker); |
| return; |
| case SQUARE: |
| context->drawRect(marker); |
| return; |
| case LNONE: |
| return; |
| case ARMENIAN: |
| case CJK_IDEOGRAPHIC: |
| case DECIMAL_LEADING_ZERO: |
| case GEORGIAN: |
| case HEBREW: |
| case HIRAGANA: |
| case HIRAGANA_IROHA: |
| case KATAKANA: |
| case KATAKANA_IROHA: |
| case LDECIMAL: |
| case LOWER_ALPHA: |
| case LOWER_GREEK: |
| case LOWER_LATIN: |
| case LOWER_ROMAN: |
| case UPPER_ALPHA: |
| case UPPER_LATIN: |
| case UPPER_ROMAN: |
| break; |
| } |
| if (m_text.isEmpty()) |
| return; |
| |
| TextRun textRun(m_text); |
| |
| // Text is not arbitrary. We can judge whether it's RTL from the first character, |
| // and we only need to handle the direction RightToLeft for now. |
| bool textNeedsReversing = direction(m_text[0]) == RightToLeft; |
| Vector<UChar> reversedText; |
| if (textNeedsReversing) { |
| int length = m_text.length(); |
| reversedText.grow(length); |
| for (int i = 0; i < length; ++i) |
| reversedText[length - i - 1] = m_text[i]; |
| textRun = TextRun(reversedText.data(), length); |
| } |
| |
| const Font& font = style()->font(); |
| if (style()->direction() == LTR) { |
| int width = font.width(textRun); |
| context->drawText(textRun, marker.location()); |
| const UChar periodSpace[2] = { '.', ' ' }; |
| context->drawText(TextRun(periodSpace, 2), marker.location() + IntSize(width, 0)); |
| } else { |
| const UChar spacePeriod[2] = { ' ', '.' }; |
| TextRun spacePeriodRun(spacePeriod, 2); |
| int width = font.width(spacePeriodRun); |
| context->drawText(spacePeriodRun, marker.location()); |
| context->drawText(textRun, marker.location() + IntSize(width, 0)); |
| } |
| } |
| |
| void RenderListMarker::layout() |
| { |
| ASSERT(needsLayout()); |
| ASSERT(!prefWidthsDirty()); |
| |
| if (isImage()) { |
| m_width = m_image->image()->width(); |
| m_height = m_image->image()->height(); |
| } else { |
| m_width = minPrefWidth(); |
| m_height = style()->font().height(); |
| } |
| |
| m_marginLeft = m_marginRight = 0; |
| |
| Length leftMargin = style()->marginLeft(); |
| Length rightMargin = style()->marginRight(); |
| if (leftMargin.isFixed()) |
| m_marginLeft = leftMargin.value(); |
| if (rightMargin.isFixed()) |
| m_marginRight = rightMargin.value(); |
| |
| setNeedsLayout(false); |
| } |
| |
| void RenderListMarker::imageChanged(CachedImage* o) |
| { |
| // A list marker can't have a background or border image, so no need to call the base class method. |
| if (o != m_image) |
| return; |
| |
| if (m_width != m_image->imageSize().width() || m_height != m_image->imageSize().height() || m_image->errorOccurred()) |
| setNeedsLayoutAndPrefWidthsRecalc(); |
| else |
| repaint(); |
| } |
| |
| void RenderListMarker::calcPrefWidths() |
| { |
| ASSERT(prefWidthsDirty()); |
| |
| m_text = ""; |
| |
| if (isImage()) { |
| m_minPrefWidth = m_maxPrefWidth = m_image->image()->width(); |
| setPrefWidthsDirty(false); |
| updateMargins(); |
| return; |
| } |
| |
| const Font& font = style()->font(); |
| |
| int width = 0; |
| EListStyleType type = style()->listStyleType(); |
| switch (type) { |
| case LNONE: |
| break; |
| case CIRCLE: |
| case DISC: |
| case SQUARE: |
| m_text = listMarkerText(type, 0); // value is ignored for these types |
| width = (font.ascent() * 2 / 3 + 1) / 2 + 2; |
| break; |
| case ARMENIAN: |
| case CJK_IDEOGRAPHIC: |
| case DECIMAL_LEADING_ZERO: |
| case GEORGIAN: |
| case HEBREW: |
| case HIRAGANA: |
| case HIRAGANA_IROHA: |
| case KATAKANA: |
| case KATAKANA_IROHA: |
| case LDECIMAL: |
| case LOWER_ALPHA: |
| case LOWER_GREEK: |
| case LOWER_LATIN: |
| case LOWER_ROMAN: |
| case UPPER_ALPHA: |
| case UPPER_LATIN: |
| case UPPER_ROMAN: |
| m_text = listMarkerText(type, m_listItem->value()); |
| if (m_text.isEmpty()) |
| width = 0; |
| else { |
| int itemWidth = font.width(m_text); |
| const UChar periodSpace[2] = { '.', ' ' }; |
| int periodSpaceWidth = font.width(TextRun(periodSpace, 2)); |
| width = itemWidth + periodSpaceWidth; |
| } |
| break; |
| } |
| |
| m_minPrefWidth = width; |
| m_maxPrefWidth = width; |
| |
| setPrefWidthsDirty(false); |
| |
| updateMargins(); |
| } |
| |
| void RenderListMarker::updateMargins() |
| { |
| const Font& font = style()->font(); |
| |
| int marginLeft = 0; |
| int marginRight = 0; |
| |
| if (isInside()) { |
| if (isImage()) { |
| if (style()->direction() == LTR) |
| marginRight = cMarkerPadding; |
| else |
| marginLeft = cMarkerPadding; |
| } else switch (style()->listStyleType()) { |
| case DISC: |
| case CIRCLE: |
| case SQUARE: |
| if (style()->direction() == LTR) { |
| marginLeft = -1; |
| marginRight = font.ascent() - minPrefWidth() + 1; |
| } else { |
| marginLeft = font.ascent() - minPrefWidth() + 1; |
| marginRight = -1; |
| } |
| break; |
| default: |
| break; |
| } |
| } else { |
| if (style()->direction() == LTR) { |
| if (isImage()) |
| marginLeft = -minPrefWidth() - cMarkerPadding; |
| else { |
| int offset = font.ascent() * 2 / 3; |
| switch (style()->listStyleType()) { |
| case DISC: |
| case CIRCLE: |
| case SQUARE: |
| marginLeft = -offset - cMarkerPadding - 1; |
| break; |
| case LNONE: |
| break; |
| default: |
| marginLeft = m_text.isEmpty() ? 0 : -minPrefWidth() - offset / 2; |
| } |
| } |
| } else { |
| if (isImage()) |
| marginLeft = cMarkerPadding; |
| else { |
| int offset = font.ascent() * 2 / 3; |
| switch (style()->listStyleType()) { |
| case DISC: |
| case CIRCLE: |
| case SQUARE: |
| marginLeft = offset + cMarkerPadding + 1 - minPrefWidth(); |
| break; |
| case LNONE: |
| break; |
| default: |
| marginLeft = m_text.isEmpty() ? 0 : offset / 2; |
| } |
| } |
| } |
| marginRight = -marginLeft - minPrefWidth(); |
| } |
| |
| style()->setMarginLeft(Length(marginLeft, Fixed)); |
| style()->setMarginRight(Length(marginRight, Fixed)); |
| } |
| |
| short RenderListMarker::lineHeight(bool, bool) const |
| { |
| if (!isImage()) |
| return m_listItem->lineHeight(false, true); |
| return height(); |
| } |
| |
| short RenderListMarker::baselinePosition(bool, bool) const |
| { |
| if (!isImage()) { |
| const Font& font = style()->font(); |
| return font.ascent() + (lineHeight(false) - font.height())/2; |
| } |
| return height(); |
| } |
| |
| bool RenderListMarker::isInside() const |
| { |
| return m_listItem->notInList() || style()->listStylePosition() == INSIDE; |
| } |
| |
| IntRect RenderListMarker::getRelativeMarkerRect() |
| { |
| if (isImage()) |
| return IntRect(m_x, m_y, m_image->imageSize().width(), m_image->imageSize().height()); |
| |
| switch (style()->listStyleType()) { |
| case DISC: |
| case CIRCLE: |
| case SQUARE: { |
| // FIXME: Are these particular rounding rules necessary? |
| const Font& font = style()->font(); |
| int ascent = font.ascent(); |
| int bulletWidth = (ascent * 2 / 3 + 1) / 2; |
| return IntRect(m_x + 1, m_y + 3 * (ascent - ascent * 2 / 3) / 2, bulletWidth, bulletWidth); |
| } |
| case LNONE: |
| return IntRect(); |
| case ARMENIAN: |
| case CJK_IDEOGRAPHIC: |
| case DECIMAL_LEADING_ZERO: |
| case GEORGIAN: |
| case HEBREW: |
| case HIRAGANA: |
| case HIRAGANA_IROHA: |
| case KATAKANA: |
| case KATAKANA_IROHA: |
| case LDECIMAL: |
| case LOWER_ALPHA: |
| case LOWER_GREEK: |
| case LOWER_LATIN: |
| case LOWER_ROMAN: |
| case UPPER_ALPHA: |
| case UPPER_LATIN: |
| case UPPER_ROMAN: |
| if (m_text.isEmpty()) |
| return IntRect(); |
| const Font& font = style()->font(); |
| int itemWidth = font.width(m_text); |
| const UChar periodSpace[2] = { '.', ' ' }; |
| int periodSpaceWidth = font.width(TextRun(periodSpace, 2)); |
| return IntRect(m_x, m_y + font.ascent(), itemWidth + periodSpaceWidth, font.height()); |
| } |
| |
| return IntRect(); |
| } |
| |
| void RenderListMarker::setSelectionState(SelectionState state) |
| { |
| m_selectionState = state; |
| if (InlineBox* box = inlineBoxWrapper()) |
| if (RootInlineBox* root = box->root()) |
| root->setHasSelectedChildren(state != SelectionNone); |
| containingBlock()->setSelectionState(state); |
| } |
| |
| IntRect RenderListMarker::selectionRect(bool clipToVisibleContent) |
| { |
| ASSERT(!needsLayout()); |
| |
| if (selectionState() == SelectionNone || !inlineBoxWrapper()) |
| return IntRect(); |
| |
| RootInlineBox* root = inlineBoxWrapper()->root(); |
| IntRect rect(0, root->selectionTop() - yPos(), width(), root->selectionHeight()); |
| |
| if (clipToVisibleContent) |
| computeAbsoluteRepaintRect(rect); |
| else { |
| int absx, absy; |
| absolutePosition(absx, absy); |
| rect.move(absx, absy); |
| } |
| |
| return rect; |
| } |
| |
| } // namespace WebCore |
