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1 /* | 1 /* |
2 * Copyright (C) 1999 Lars Knoll (knoll@kde.org) | 2 * Copyright (C) 1999 Lars Knoll (knoll@kde.org) |
3 * (C) 1999 Antti Koivisto (koivisto@kde.org) | 3 * (C) 1999 Antti Koivisto (koivisto@kde.org) |
4 * Copyright (C) 2003, 2004, 2005, 2006, 2007, 2008, 2009 Apple Inc. All rights | 4 * Copyright (C) 2003, 2004, 2005, 2006, 2007, 2008, 2009 Apple Inc. All rights |
5 * reserved. | 5 * reserved. |
6 * | 6 * |
7 * This library is free software; you can redistribute it and/or | 7 * This library is free software; you can redistribute it and/or |
8 * modify it under the terms of the GNU Library General Public | 8 * modify it under the terms of the GNU Library General Public |
9 * License as published by the Free Software Foundation; either | 9 * License as published by the Free Software Foundation; either |
10 * version 2 of the License, or (at your option) any later version. | 10 * version 2 of the License, or (at your option) any later version. |
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390 } | 390 } |
391 | 391 |
392 void Text::recalcTextStyle(StyleRecalcChange change, Text* nextTextSibling) { | 392 void Text::recalcTextStyle(StyleRecalcChange change, Text* nextTextSibling) { |
393 if (LayoutTextItem layoutItem = LayoutTextItem(this->layoutObject())) { | 393 if (LayoutTextItem layoutItem = LayoutTextItem(this->layoutObject())) { |
394 if (change != NoChange || needsStyleRecalc()) | 394 if (change != NoChange || needsStyleRecalc()) |
395 layoutItem.setStyle(document().ensureStyleResolver().styleForText(this)); | 395 layoutItem.setStyle(document().ensureStyleResolver().styleForText(this)); |
396 if (needsStyleRecalc()) | 396 if (needsStyleRecalc()) |
397 layoutItem.setText(dataImpl()); | 397 layoutItem.setText(dataImpl()); |
398 clearNeedsStyleRecalc(); | 398 clearNeedsStyleRecalc(); |
399 } else if (needsStyleRecalc() || needsWhitespaceLayoutObject()) { | 399 } else if (needsStyleRecalc() || needsWhitespaceLayoutObject()) { |
400 reattachLayoutTree(); | 400 rebuildTextLayoutTree(nextTextSibling); |
401 if (this->layoutObject()) | |
402 reattachWhitespaceSiblingsIfNeeded(nextTextSibling); | |
403 clearNeedsReattachLayoutTree(); | |
404 } | 401 } |
405 } | 402 } |
406 | 403 |
| 404 void Text::rebuildTextLayoutTree(Text* nextTextSibling) { |
| 405 reattachLayoutTree(); |
| 406 if (layoutObject()) |
| 407 reattachWhitespaceSiblingsIfNeeded(nextTextSibling); |
| 408 clearNeedsReattachLayoutTree(); |
| 409 } |
| 410 |
407 // If a whitespace node had no layoutObject and goes through a recalcStyle it | 411 // If a whitespace node had no layoutObject and goes through a recalcStyle it |
408 // may need to create one if the parent style now has white-space: pre. | 412 // may need to create one if the parent style now has white-space: pre. |
409 bool Text::needsWhitespaceLayoutObject() { | 413 bool Text::needsWhitespaceLayoutObject() { |
410 DCHECK(!layoutObject()); | 414 DCHECK(!layoutObject()); |
411 if (const ComputedStyle* style = parentComputedStyle()) | 415 if (const ComputedStyle* style = parentComputedStyle()) |
412 return style->preserveNewline(); | 416 return style->preserveNewline(); |
413 return false; | 417 return false; |
414 } | 418 } |
415 | 419 |
416 // Passing both |textNode| and its layout object because repeated calls to | 420 // Passing both |textNode| and its layout object because repeated calls to |
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446 | 450 |
447 Text* Text::cloneWithData(const String& data) { | 451 Text* Text::cloneWithData(const String& data) { |
448 return create(document(), data); | 452 return create(document(), data); |
449 } | 453 } |
450 | 454 |
451 DEFINE_TRACE(Text) { | 455 DEFINE_TRACE(Text) { |
452 CharacterData::trace(visitor); | 456 CharacterData::trace(visitor); |
453 } | 457 } |
454 | 458 |
455 } // namespace blink | 459 } // namespace blink |
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