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Diffstat (limited to 'WebCore/rendering/RenderListMarker.cpp')
-rw-r--r-- | WebCore/rendering/RenderListMarker.cpp | 906 |
1 files changed, 0 insertions, 906 deletions
diff --git a/WebCore/rendering/RenderListMarker.cpp b/WebCore/rendering/RenderListMarker.cpp deleted file mode 100644 index b2937b9..0000000 --- a/WebCore/rendering/RenderListMarker.cpp +++ /dev/null @@ -1,906 +0,0 @@ -/* - * 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_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->removeClient(this); -} - -void RenderListMarker::styleWillChange(RenderStyle::Diff diff, const RenderStyle* newStyle) -{ - if (style() && (newStyle->listStylePosition() != style()->listStylePosition() || newStyle->listStyleType() != style()->listStyleType())) - setNeedsLayoutAndPrefWidthsRecalc(); - - RenderBox::styleWillChange(diff, newStyle); -} - -void RenderListMarker::styleDidChange(RenderStyle::Diff 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(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(this, marker.size()), 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->imageSize(this, style()->effectiveZoom()).width(); - m_height = m_image->imageSize(this, style()->effectiveZoom()).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(WrappedImagePtr 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->data()) - return; - - if (m_width != m_image->imageSize(this, style()->effectiveZoom()).width() || m_height != m_image->imageSize(this, style()->effectiveZoom()).height() || m_image->errorOccurred()) - setNeedsLayoutAndPrefWidthsRecalc(); - else - repaint(); -} - -void RenderListMarker::calcPrefWidths() -{ - ASSERT(prefWidthsDirty()); - - m_text = ""; - - const Font& font = style()->font(); - - 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 = font.ascent() / 2; - m_image->setImageContainerSize(IntSize(bulletWidth, bulletWidth)); - m_minPrefWidth = m_maxPrefWidth = m_image->imageSize(this, style()->effectiveZoom()).width(); - setPrefWidthsDirty(false); - updateMargins(); - return; - } - - 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)); -} - -int RenderListMarker::lineHeight(bool, bool) const -{ - if (!isImage()) - return m_listItem->lineHeight(false, true); - return height(); -} - -int 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(this, style()->effectiveZoom()).width(), m_image->imageSize(this, style()->effectiveZoom()).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 |