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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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386 } | 386 } |
387 | 387 |
388 void Text::recalcTextStyle(StyleRecalcChange change, Text* nextTextSibling) { | 388 void Text::recalcTextStyle(StyleRecalcChange change, Text* nextTextSibling) { |
389 if (LayoutTextItem layoutItem = LayoutTextItem(this->layoutObject())) { | 389 if (LayoutTextItem layoutItem = LayoutTextItem(this->layoutObject())) { |
390 if (change != NoChange || needsStyleRecalc()) | 390 if (change != NoChange || needsStyleRecalc()) |
391 layoutItem.setStyle(document().ensureStyleResolver().styleForText(this)); | 391 layoutItem.setStyle(document().ensureStyleResolver().styleForText(this)); |
392 if (needsStyleRecalc()) | 392 if (needsStyleRecalc()) |
393 layoutItem.setText(dataImpl()); | 393 layoutItem.setText(dataImpl()); |
394 clearNeedsStyleRecalc(); | 394 clearNeedsStyleRecalc(); |
395 } else if (needsStyleRecalc() || needsWhitespaceLayoutObject()) { | 395 } else if (needsStyleRecalc() || needsWhitespaceLayoutObject()) { |
396 StyleReattachData styleReattachData; | 396 rebuildTextLayoutTree(nextTextSibling); |
397 styleReattachData.nextTextSibling = nextTextSibling; | |
398 document().addStyleReattachData(*this, styleReattachData); | |
399 setNeedsReattachLayoutTree(); | |
400 } | 397 } |
401 } | 398 } |
402 | 399 |
403 void Text::rebuildTextLayoutTree() { | 400 void Text::rebuildTextLayoutTree(Text* nextTextSibling) { |
404 DCHECK(!childNeedsStyleRecalc()); | |
405 DCHECK(needsReattachLayoutTree()); | |
406 DCHECK(parentNode()); | |
407 | |
408 reattachLayoutTree(); | 401 reattachLayoutTree(); |
409 if (layoutObject()) { | 402 if (layoutObject()) |
410 reattachWhitespaceSiblingsIfNeeded( | 403 reattachWhitespaceSiblingsIfNeeded(nextTextSibling); |
411 document().getStyleReattachData(*this).nextTextSibling); | |
412 } | |
413 clearNeedsReattachLayoutTree(); | 404 clearNeedsReattachLayoutTree(); |
414 } | 405 } |
415 | 406 |
416 // If a whitespace node had no layoutObject and goes through a recalcStyle it | 407 // If a whitespace node had no layoutObject and goes through a recalcStyle it |
417 // may need to create one if the parent style now has white-space: pre. | 408 // may need to create one if the parent style now has white-space: pre. |
418 bool Text::needsWhitespaceLayoutObject() { | 409 bool Text::needsWhitespaceLayoutObject() { |
419 DCHECK(!layoutObject()); | 410 DCHECK(!layoutObject()); |
420 if (const ComputedStyle* style = parentComputedStyle()) | 411 if (const ComputedStyle* style = parentComputedStyle()) |
421 return style->preserveNewline(); | 412 return style->preserveNewline(); |
422 return false; | 413 return false; |
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460 | 451 |
461 Text* Text::cloneWithData(const String& data) { | 452 Text* Text::cloneWithData(const String& data) { |
462 return create(document(), data); | 453 return create(document(), data); |
463 } | 454 } |
464 | 455 |
465 DEFINE_TRACE(Text) { | 456 DEFINE_TRACE(Text) { |
466 CharacterData::trace(visitor); | 457 CharacterData::trace(visitor); |
467 } | 458 } |
468 | 459 |
469 } // namespace blink | 460 } // namespace blink |
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