OLD | NEW |
1 /* | 1 /* |
2 * Copyright (C) 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2012 Apple Inc. All r
ights reserved. | 2 * Copyright (C) 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2012 Apple Inc. All r
ights reserved. |
3 * Copyright (C) 2005 Alexey Proskuryakov. | 3 * Copyright (C) 2005 Alexey Proskuryakov. |
4 * | 4 * |
5 * Redistribution and use in source and binary forms, with or without | 5 * Redistribution and use in source and binary forms, with or without |
6 * modification, are permitted provided that the following conditions | 6 * modification, are permitted provided that the following conditions |
7 * are met: | 7 * are met: |
8 * 1. Redistributions of source code must retain the above copyright | 8 * 1. Redistributions of source code must retain the above copyright |
9 * notice, this list of conditions and the following disclaimer. | 9 * notice, this list of conditions and the following disclaimer. |
10 * 2. Redistributions in binary form must reproduce the above copyright | 10 * 2. Redistributions in binary form must reproduce the above copyright |
(...skipping 34 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
45 return i - textEnd; | 45 return i - textEnd; |
46 } | 46 } |
47 | 47 |
48 return length - textEnd; | 48 return length - textEnd; |
49 } | 49 } |
50 | 50 |
51 static int maxOffsetIncludingCollapsedSpaces(Node* node) | 51 static int maxOffsetIncludingCollapsedSpaces(Node* node) |
52 { | 52 { |
53 int offset = caretMaxOffset(node); | 53 int offset = caretMaxOffset(node); |
54 | 54 |
55 if (node->renderer() && node->renderer()->isText()) | 55 if (node->layoutObject() && node->layoutObject()->isText()) |
56 offset += collapsedSpaceLength(toLayoutText(node->renderer()), offset); | 56 offset += collapsedSpaceLength(toLayoutText(node->layoutObject()), offse
t); |
57 | 57 |
58 return offset; | 58 return offset; |
59 } | 59 } |
60 | 60 |
61 SimplifiedBackwardsTextIterator::SimplifiedBackwardsTextIterator(const Range* r,
TextIteratorBehaviorFlags behavior) | 61 SimplifiedBackwardsTextIterator::SimplifiedBackwardsTextIterator(const Range* r,
TextIteratorBehaviorFlags behavior) |
62 : m_node(nullptr) | 62 : m_node(nullptr) |
63 , m_offset(0) | 63 , m_offset(0) |
64 , m_handledNode(false) | 64 , m_handledNode(false) |
65 , m_handledChildren(false) | 65 , m_handledChildren(false) |
66 , m_startNode(nullptr) | 66 , m_startNode(nullptr) |
(...skipping 111 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
178 m_shouldStop = true; | 178 m_shouldStop = true; |
179 return; | 179 return; |
180 } | 180 } |
181 | 181 |
182 m_positionNode = nullptr; | 182 m_positionNode = nullptr; |
183 m_textLength = 0; | 183 m_textLength = 0; |
184 | 184 |
185 while (m_node && !m_havePassedStartNode) { | 185 while (m_node && !m_havePassedStartNode) { |
186 // Don't handle node if we start iterating at [node, 0]. | 186 // Don't handle node if we start iterating at [node, 0]. |
187 if (!m_handledNode && !(m_node == m_endNode && !m_endOffset)) { | 187 if (!m_handledNode && !(m_node == m_endNode && !m_endOffset)) { |
188 LayoutObject* renderer = m_node->renderer(); | 188 LayoutObject* renderer = m_node->layoutObject(); |
189 if (renderer && renderer->isText() && m_node->nodeType() == Node::TE
XT_NODE) { | 189 if (renderer && renderer->isText() && m_node->nodeType() == Node::TE
XT_NODE) { |
190 // FIXME: What about CDATA_SECTION_NODE? | 190 // FIXME: What about CDATA_SECTION_NODE? |
191 if (renderer->style()->visibility() == VISIBLE && m_offset > 0) | 191 if (renderer->style()->visibility() == VISIBLE && m_offset > 0) |
192 m_handledNode = handleTextNode(); | 192 m_handledNode = handleTextNode(); |
193 } else if (renderer && (renderer->isLayoutPart() || TextIterator::su
pportsAltText(m_node))) { | 193 } else if (renderer && (renderer->isLayoutPart() || TextIterator::su
pportsAltText(m_node))) { |
194 if (renderer->style()->visibility() == VISIBLE && m_offset > 0) | 194 if (renderer->style()->visibility() == VISIBLE && m_offset > 0) |
195 m_handledNode = handleReplacedElement(); | 195 m_handledNode = handleReplacedElement(); |
196 } else { | 196 } else { |
197 m_handledNode = handleNonTextNode(); | 197 m_handledNode = handleNonTextNode(); |
198 } | 198 } |
(...skipping 75 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
274 m_textOffset = m_positionStartOffset - offsetInNode; | 274 m_textOffset = m_positionStartOffset - offsetInNode; |
275 m_textContainer = text; | 275 m_textContainer = text; |
276 m_singleCharacterBuffer = 0; | 276 m_singleCharacterBuffer = 0; |
277 RELEASE_ASSERT(static_cast<unsigned>(m_textOffset + m_textLength) <= text.le
ngth()); | 277 RELEASE_ASSERT(static_cast<unsigned>(m_textOffset + m_textLength) <= text.le
ngth()); |
278 | 278 |
279 return !m_shouldHandleFirstLetter; | 279 return !m_shouldHandleFirstLetter; |
280 } | 280 } |
281 | 281 |
282 LayoutText* SimplifiedBackwardsTextIterator::handleFirstLetter(int& startOffset,
int& offsetInNode) | 282 LayoutText* SimplifiedBackwardsTextIterator::handleFirstLetter(int& startOffset,
int& offsetInNode) |
283 { | 283 { |
284 LayoutText* renderer = toLayoutText(m_node->renderer()); | 284 LayoutText* renderer = toLayoutText(m_node->layoutObject()); |
285 startOffset = (m_node == m_startNode) ? m_startOffset : 0; | 285 startOffset = (m_node == m_startNode) ? m_startOffset : 0; |
286 | 286 |
287 if (!renderer->isTextFragment()) { | 287 if (!renderer->isTextFragment()) { |
288 offsetInNode = 0; | 288 offsetInNode = 0; |
289 return renderer; | 289 return renderer; |
290 } | 290 } |
291 | 291 |
292 LayoutTextFragment* fragment = toLayoutTextFragment(renderer); | 292 LayoutTextFragment* fragment = toLayoutTextFragment(renderer); |
293 int offsetAfterFirstLetter = fragment->start(); | 293 int offsetAfterFirstLetter = fragment->start(); |
294 if (startOffset >= offsetAfterFirstLetter) { | 294 if (startOffset >= offsetAfterFirstLetter) { |
295 ASSERT(!m_shouldHandleFirstLetter); | 295 ASSERT(!m_shouldHandleFirstLetter); |
296 offsetInNode = offsetAfterFirstLetter; | 296 offsetInNode = offsetAfterFirstLetter; |
297 return renderer; | 297 return renderer; |
298 } | 298 } |
299 | 299 |
300 if (!m_shouldHandleFirstLetter && offsetAfterFirstLetter < m_offset) { | 300 if (!m_shouldHandleFirstLetter && offsetAfterFirstLetter < m_offset) { |
301 m_shouldHandleFirstLetter = true; | 301 m_shouldHandleFirstLetter = true; |
302 offsetInNode = offsetAfterFirstLetter; | 302 offsetInNode = offsetAfterFirstLetter; |
303 return renderer; | 303 return renderer; |
304 } | 304 } |
305 | 305 |
306 m_shouldHandleFirstLetter = false; | 306 m_shouldHandleFirstLetter = false; |
307 offsetInNode = 0; | 307 offsetInNode = 0; |
308 | 308 |
309 ASSERT(fragment->isRemainingTextRenderer()); | 309 ASSERT(fragment->isRemainingTextRenderer()); |
310 ASSERT(fragment->firstLetterPseudoElement()); | 310 ASSERT(fragment->firstLetterPseudoElement()); |
311 | 311 |
312 LayoutObject* pseudoElementRenderer = fragment->firstLetterPseudoElement()->
renderer(); | 312 LayoutObject* pseudoElementRenderer = fragment->firstLetterPseudoElement()->
layoutObject(); |
313 ASSERT(pseudoElementRenderer); | 313 ASSERT(pseudoElementRenderer); |
314 ASSERT(pseudoElementRenderer->slowFirstChild()); | 314 ASSERT(pseudoElementRenderer->slowFirstChild()); |
315 LayoutText* firstLetterRenderer = toLayoutText(pseudoElementRenderer->slowFi
rstChild()); | 315 LayoutText* firstLetterRenderer = toLayoutText(pseudoElementRenderer->slowFi
rstChild()); |
316 | 316 |
317 m_offset = firstLetterRenderer->caretMaxOffset(); | 317 m_offset = firstLetterRenderer->caretMaxOffset(); |
318 m_offset += collapsedSpaceLength(firstLetterRenderer, m_offset); | 318 m_offset += collapsedSpaceLength(firstLetterRenderer, m_offset); |
319 | 319 |
320 return firstLetterRenderer; | 320 return firstLetterRenderer; |
321 } | 321 } |
322 | 322 |
(...skipping 73 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
396 } | 396 } |
397 | 397 |
398 Position SimplifiedBackwardsTextIterator::endPosition() const | 398 Position SimplifiedBackwardsTextIterator::endPosition() const |
399 { | 399 { |
400 if (m_positionNode) | 400 if (m_positionNode) |
401 return createLegacyEditingPosition(m_positionNode, m_positionEndOffset); | 401 return createLegacyEditingPosition(m_positionNode, m_positionEndOffset); |
402 return createLegacyEditingPosition(m_startNode, m_startOffset); | 402 return createLegacyEditingPosition(m_startNode, m_startOffset); |
403 } | 403 } |
404 | 404 |
405 } // namespace blink | 405 } // namespace blink |
OLD | NEW |