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| 1 /* | |
| 2 * Copyright (C) 2013 Google Inc. All rights reserved. | |
| 3 * | |
| 4 * Redistribution and use in source and binary forms, with or without | |
| 5 * modification, are permitted provided that the following conditions are | |
| 6 * met: | |
| 7 * | |
| 8 * * Redistributions of source code must retain the above copyright | |
| 9 * notice, this list of conditions and the following disclaimer. | |
| 10 * * Redistributions in binary form must reproduce the above | |
| 11 * copyright notice, this list of conditions and the following disclaimer | |
| 12 * in the documentation and/or other materials provided with the | |
| 13 * distribution. | |
| 14 * * Neither the name of Google Inc. nor the names of its | |
| 15 * contributors may be used to endorse or promote products derived from | |
| 16 * this software without specific prior written permission. | |
| 17 * | |
| 18 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS | |
| 19 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT | |
| 20 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR | |
| 21 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT | |
| 22 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, | |
| 23 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT | |
| 24 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, | |
| 25 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY | |
| 26 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | |
| 27 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE | |
| 28 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | |
| 29 */ | |
| 30 | |
| 31 #include "config.h" | |
| 32 #include "core/layout/AbstractInlineTextBox.h" | |
| 33 | |
| 34 #include "core/editing/iterators/TextIterator.h" | |
| 35 #include "platform/text/TextBreakIterator.h" | |
| 36 | |
| 37 namespace blink { | |
| 38 | |
| 39 AbstractInlineTextBox::InlineToAbstractInlineTextBoxHashMap* AbstractInlineTextB
ox::gAbstractInlineTextBoxMap = 0; | |
| 40 | |
| 41 PassRefPtr<AbstractInlineTextBox> AbstractInlineTextBox::getOrCreate(RenderText*
renderText, InlineTextBox* inlineTextBox) | |
| 42 { | |
| 43 if (!inlineTextBox) | |
| 44 return nullptr; | |
| 45 | |
| 46 if (!gAbstractInlineTextBoxMap) | |
| 47 gAbstractInlineTextBoxMap = new InlineToAbstractInlineTextBoxHashMap(); | |
| 48 | |
| 49 InlineToAbstractInlineTextBoxHashMap::const_iterator it = gAbstractInlineTex
tBoxMap->find(inlineTextBox); | |
| 50 if (it != gAbstractInlineTextBoxMap->end()) | |
| 51 return it->value; | |
| 52 | |
| 53 RefPtr<AbstractInlineTextBox> obj = adoptRef(new AbstractInlineTextBox(rende
rText, inlineTextBox)); | |
| 54 gAbstractInlineTextBoxMap->set(inlineTextBox, obj); | |
| 55 return obj; | |
| 56 } | |
| 57 | |
| 58 void AbstractInlineTextBox::willDestroy(InlineTextBox* inlineTextBox) | |
| 59 { | |
| 60 if (!gAbstractInlineTextBoxMap) | |
| 61 return; | |
| 62 | |
| 63 InlineToAbstractInlineTextBoxHashMap::const_iterator it = gAbstractInlineTex
tBoxMap->find(inlineTextBox); | |
| 64 if (it != gAbstractInlineTextBoxMap->end()) { | |
| 65 it->value->detach(); | |
| 66 gAbstractInlineTextBoxMap->remove(inlineTextBox); | |
| 67 } | |
| 68 } | |
| 69 | |
| 70 void AbstractInlineTextBox::detach() | |
| 71 { | |
| 72 m_renderText = 0; | |
| 73 m_inlineTextBox = 0; | |
| 74 } | |
| 75 | |
| 76 PassRefPtr<AbstractInlineTextBox> AbstractInlineTextBox::nextInlineTextBox() con
st | |
| 77 { | |
| 78 if (!m_inlineTextBox) | |
| 79 return nullptr; | |
| 80 | |
| 81 return getOrCreate(m_renderText, m_inlineTextBox->nextTextBox()); | |
| 82 } | |
| 83 | |
| 84 LayoutRect AbstractInlineTextBox::bounds() const | |
| 85 { | |
| 86 if (!m_inlineTextBox || !m_renderText) | |
| 87 return LayoutRect(); | |
| 88 | |
| 89 FloatRect boundaries = m_inlineTextBox->calculateBoundaries().toFloatRect(); | |
| 90 return m_renderText->localToAbsoluteQuad(boundaries).enclosingBoundingBox(); | |
| 91 } | |
| 92 | |
| 93 unsigned AbstractInlineTextBox::len() const | |
| 94 { | |
| 95 if (!m_inlineTextBox) | |
| 96 return 0; | |
| 97 | |
| 98 return m_inlineTextBox->len(); | |
| 99 } | |
| 100 | |
| 101 AbstractInlineTextBox::Direction AbstractInlineTextBox::direction() const | |
| 102 { | |
| 103 if (!m_inlineTextBox || !m_renderText) | |
| 104 return LeftToRight; | |
| 105 | |
| 106 if (m_renderText->style()->isHorizontalWritingMode()) | |
| 107 return (m_inlineTextBox->direction() == RTL ? RightToLeft : LeftToRight)
; | |
| 108 return (m_inlineTextBox->direction() == RTL ? BottomToTop : TopToBottom); | |
| 109 } | |
| 110 | |
| 111 void AbstractInlineTextBox::characterWidths(Vector<FloatWillBeLayoutUnit>& width
s) const | |
| 112 { | |
| 113 if (!m_inlineTextBox) | |
| 114 return; | |
| 115 | |
| 116 m_inlineTextBox->characterWidths(widths); | |
| 117 } | |
| 118 | |
| 119 void AbstractInlineTextBox::wordBoundaries(Vector<WordBoundaries>& words) const | |
| 120 { | |
| 121 if (!m_inlineTextBox) | |
| 122 return; | |
| 123 | |
| 124 String text = this->text(); | |
| 125 int len = text.length(); | |
| 126 TextBreakIterator* iterator = wordBreakIterator(text, 0, len); | |
| 127 | |
| 128 // FIXME: When http://crbug.com/411764 is fixed, replace this with an ASSERT
. | |
| 129 if (!iterator) | |
| 130 return; | |
| 131 | |
| 132 int pos = iterator->first(); | |
| 133 while (pos >= 0 && pos < len) { | |
| 134 int next = iterator->next(); | |
| 135 if (isWordTextBreak(iterator)) | |
| 136 words.append(WordBoundaries(pos, next)); | |
| 137 pos = next; | |
| 138 } | |
| 139 } | |
| 140 | |
| 141 String AbstractInlineTextBox::text() const | |
| 142 { | |
| 143 if (!m_inlineTextBox || !m_renderText) | |
| 144 return String(); | |
| 145 | |
| 146 unsigned start = m_inlineTextBox->start(); | |
| 147 unsigned len = m_inlineTextBox->len(); | |
| 148 if (Node* node = m_renderText->node()) { | |
| 149 RefPtrWillBeRawPtr<Range> range = Range::create(node->document()); | |
| 150 range->setStart(node, start, IGNORE_EXCEPTION); | |
| 151 range->setEnd(node, start + len, IGNORE_EXCEPTION); | |
| 152 return plainText(range.get(), TextIteratorIgnoresStyleVisibility); | |
| 153 } | |
| 154 | |
| 155 String result = m_renderText->text().substring(start, len).simplifyWhiteSpac
e(WTF::DoNotStripWhiteSpace); | |
| 156 if (m_inlineTextBox->nextTextBox() && m_inlineTextBox->nextTextBox()->start(
) > m_inlineTextBox->end() && result.length() && !result.right(1).containsOnlyWh
itespace()) | |
| 157 return result + " "; | |
| 158 return result; | |
| 159 } | |
| 160 | |
| 161 } // namespace blink | |
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Chromium Code Reviews
Issue 910573002:
Move AbstractInlineTextBox to line/ sub-directory. (Closed)
Base URL: https://chromium.googlesource.com/chromium/blink.git@master