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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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388 .createLayoutObject(); | 388 .createLayoutObject(); |
389 CharacterData::attachLayoutTree(reattachContext); | 389 CharacterData::attachLayoutTree(reattachContext); |
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 clearNeedsReattachLayoutTree(); |
nainar
2016/12/07 14:48:21
In case we don't perform rebuildTextLayoutTree we
Bugs Nash
2016/12/07 23:21:44
as above, if there is a need to explain the code i
nainar
2016/12/07 23:49:10
Done locally.
| |
399 } else if (needsStyleRecalc() || needsWhitespaceLayoutObject()) { | 399 } else if (needsStyleRecalc() || needsWhitespaceLayoutObject()) { |
400 rebuildTextLayoutTree(nextTextSibling); | 400 StyleReattachData styleReattachData; |
401 styleReattachData.computedStyle = nullptr; | |
402 styleReattachData.nextTextSibling = nextTextSibling; | |
403 document().addStyleReattachData(*this, styleReattachData); | |
404 setNeedsReattachLayoutTree(); | |
401 } | 405 } |
406 clearNeedsStyleRecalc(); | |
402 } | 407 } |
403 | 408 |
404 void Text::rebuildTextLayoutTree(Text* nextTextSibling) { | 409 void Text::rebuildTextLayoutTree() { |
410 DCHECK(!needsStyleRecalc()); | |
411 DCHECK(!childNeedsStyleRecalc()); | |
412 DCHECK(needsReattachLayoutTree()); | |
413 DCHECK(parentNode()); | |
414 | |
405 reattachLayoutTree(); | 415 reattachLayoutTree(); |
406 if (layoutObject()) | 416 if (layoutObject()) { |
407 reattachWhitespaceSiblingsIfNeeded(nextTextSibling); | 417 reattachWhitespaceSiblingsIfNeeded( |
418 document().getStyleReattachData(*this).nextTextSibling); | |
419 } | |
408 clearNeedsReattachLayoutTree(); | 420 clearNeedsReattachLayoutTree(); |
409 } | 421 } |
410 | 422 |
411 // If a whitespace node had no layoutObject and goes through a recalcStyle it | 423 // If a whitespace node had no layoutObject and goes through a recalcStyle it |
412 // may need to create one if the parent style now has white-space: pre. | 424 // may need to create one if the parent style now has white-space: pre. |
413 bool Text::needsWhitespaceLayoutObject() { | 425 bool Text::needsWhitespaceLayoutObject() { |
414 DCHECK(!layoutObject()); | 426 DCHECK(!layoutObject()); |
415 if (const ComputedStyle* style = parentComputedStyle()) | 427 if (const ComputedStyle* style = parentComputedStyle()) |
416 return style->preserveNewline(); | 428 return style->preserveNewline(); |
417 return false; | 429 return false; |
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450 | 462 |
451 Text* Text::cloneWithData(const String& data) { | 463 Text* Text::cloneWithData(const String& data) { |
452 return create(document(), data); | 464 return create(document(), data); |
453 } | 465 } |
454 | 466 |
455 DEFINE_TRACE(Text) { | 467 DEFINE_TRACE(Text) { |
456 CharacterData::trace(visitor); | 468 CharacterData::trace(visitor); |
457 } | 469 } |
458 | 470 |
459 } // namespace blink | 471 } // namespace blink |
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