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authorThe Android Open Source Project <initial-contribution@android.com>2009-03-03 18:28:41 -0800
committerThe Android Open Source Project <initial-contribution@android.com>2009-03-03 18:28:41 -0800
commit648161bb0edfc3d43db63caed5cc5213bc6cb78f (patch)
tree4b825dc642cb6eb9a060e54bf8d69288fbee4904 /WebCore/rendering/RenderListMarker.cpp
parenta65af38181ac7d34544586bdb5cd004de93897ad (diff)
downloadexternal_webkit-648161bb0edfc3d43db63caed5cc5213bc6cb78f.zip
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auto import from //depot/cupcake/@135843
Diffstat (limited to 'WebCore/rendering/RenderListMarker.cpp')
-rw-r--r--WebCore/rendering/RenderListMarker.cpp906
1 files changed, 0 insertions, 906 deletions
diff --git a/WebCore/rendering/RenderListMarker.cpp b/WebCore/rendering/RenderListMarker.cpp
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--- 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