OLD | NEW |
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
reserved. | 4 * Copyright (C) 2003, 2004, 2005, 2006, 2007, 2008, 2009 Apple Inc. All rights
reserved. |
5 * | 5 * |
6 * This library is free software; you can redistribute it and/or | 6 * This library is free software; you can redistribute it and/or |
7 * modify it under the terms of the GNU Library General Public | 7 * modify it under the terms of the GNU Library General Public |
8 * License as published by the Free Software Foundation; either | 8 * License as published by the Free Software Foundation; either |
9 * version 2 of the License, or (at your option) any later version. | 9 * version 2 of the License, or (at your option) any later version. |
10 * | 10 * |
(...skipping 140 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
151 RefPtrWillBeRawPtr<Text> newText = cloneWithData(oldStr.substring(offset)); | 151 RefPtrWillBeRawPtr<Text> newText = cloneWithData(oldStr.substring(offset)); |
152 setDataWithoutUpdate(oldStr.substring(0, offset)); | 152 setDataWithoutUpdate(oldStr.substring(0, offset)); |
153 | 153 |
154 didModifyData(oldStr, CharacterData::UpdateFromNonParser); | 154 didModifyData(oldStr, CharacterData::UpdateFromNonParser); |
155 | 155 |
156 if (parentNode()) | 156 if (parentNode()) |
157 parentNode()->insertBefore(newText.get(), nextSibling(), exceptionState)
; | 157 parentNode()->insertBefore(newText.get(), nextSibling(), exceptionState)
; |
158 if (exceptionState.hadException()) | 158 if (exceptionState.hadException()) |
159 return nullptr; | 159 return nullptr; |
160 | 160 |
161 if (renderer()) | 161 if (layoutObject()) |
162 renderer()->setTextWithOffset(dataImpl(), 0, oldStr.length()); | 162 layoutObject()->setTextWithOffset(dataImpl(), 0, oldStr.length()); |
163 | 163 |
164 if (parentNode()) | 164 if (parentNode()) |
165 document().didSplitTextNode(*this); | 165 document().didSplitTextNode(*this); |
166 | 166 |
167 return newText.release(); | 167 return newText.release(); |
168 } | 168 } |
169 | 169 |
170 static const Text* earliestLogicallyAdjacentTextNode(const Text* t) | 170 static const Text* earliestLogicallyAdjacentTextNode(const Text* t) |
171 { | 171 { |
172 for (const Node* n = t->previousSibling(); n; n = n->previousSibling()) { | 172 for (const Node* n = t->previousSibling(); n; n = n->previousSibling()) { |
(...skipping 155 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
328 if (parent.isLayoutBlock() && !parent.childrenInline() && (!prev || !pre
v->isInline())) | 328 if (parent.isLayoutBlock() && !parent.childrenInline() && (!prev || !pre
v->isInline())) |
329 return false; | 329 return false; |
330 | 330 |
331 // Avoiding creation of a Renderer for the text node is a non-essential
memory optimization. | 331 // Avoiding creation of a Renderer for the text node is a non-essential
memory optimization. |
332 // So to avoid blowing up on very wide DOMs, we limit the number of sibl
ings to visit. | 332 // So to avoid blowing up on very wide DOMs, we limit the number of sibl
ings to visit. |
333 unsigned maxSiblingsToVisit = 50; | 333 unsigned maxSiblingsToVisit = 50; |
334 | 334 |
335 LayoutObject* first = parent.slowFirstChild(); | 335 LayoutObject* first = parent.slowFirstChild(); |
336 while (first && first->isFloatingOrOutOfFlowPositioned() && maxSiblingsT
oVisit--) | 336 while (first && first->isFloatingOrOutOfFlowPositioned() && maxSiblingsT
oVisit--) |
337 first = first->nextSibling(); | 337 first = first->nextSibling(); |
338 if (!first || first == renderer() || NodeRenderingTraversal::nextSibling
Renderer(*this) == first) | 338 if (!first || first == layoutObject() || NodeRenderingTraversal::nextSib
lingRenderer(*this) == first) |
339 // Whitespace at the start of a block just goes away. Don't even | 339 // Whitespace at the start of a block just goes away. Don't even |
340 // make a render object for this text. | 340 // make a render object for this text. |
341 return false; | 341 return false; |
342 } | 342 } |
343 return true; | 343 return true; |
344 } | 344 } |
345 | 345 |
346 static bool isSVGText(Text* text) | 346 static bool isSVGText(Text* text) |
347 { | 347 { |
348 Node* parentOrShadowHostNode = text->parentOrShadowHostNode(); | 348 Node* parentOrShadowHostNode = text->parentOrShadowHostNode(); |
349 ASSERT(parentOrShadowHostNode); | 349 ASSERT(parentOrShadowHostNode); |
350 return parentOrShadowHostNode->isSVGElement() && !isSVGForeignObjectElement(
*parentOrShadowHostNode); | 350 return parentOrShadowHostNode->isSVGElement() && !isSVGForeignObjectElement(
*parentOrShadowHostNode); |
351 } | 351 } |
352 | 352 |
353 LayoutText* Text::createTextRenderer(LayoutStyle* style) | 353 LayoutText* Text::createTextRenderer(LayoutStyle* style) |
354 { | 354 { |
355 if (isSVGText(this)) | 355 if (isSVGText(this)) |
356 return new LayoutSVGInlineText(this, dataImpl()); | 356 return new LayoutSVGInlineText(this, dataImpl()); |
357 | 357 |
358 if (style->hasTextCombine()) | 358 if (style->hasTextCombine()) |
359 return new LayoutTextCombine(this, dataImpl()); | 359 return new LayoutTextCombine(this, dataImpl()); |
360 | 360 |
361 return new LayoutText(this, dataImpl()); | 361 return new LayoutText(this, dataImpl()); |
362 } | 362 } |
363 | 363 |
364 void Text::attach(const AttachContext& context) | 364 void Text::attach(const AttachContext& context) |
365 { | 365 { |
366 if (ContainerNode* renderingParent = NodeRenderingTraversal::parent(*this))
{ | 366 if (ContainerNode* renderingParent = NodeRenderingTraversal::parent(*this))
{ |
367 if (LayoutObject* parentRenderer = renderingParent->renderer()) { | 367 if (LayoutObject* parentRenderer = renderingParent->layoutObject()) { |
368 if (textRendererIsNeeded(*parentRenderer->style(), *parentRenderer)) | 368 if (textRendererIsNeeded(*parentRenderer->style(), *parentRenderer)) |
369 LayoutTreeBuilderForText(*this, parentRenderer).createRenderer()
; | 369 LayoutTreeBuilderForText(*this, parentRenderer).createRenderer()
; |
370 } | 370 } |
371 } | 371 } |
372 CharacterData::attach(context); | 372 CharacterData::attach(context); |
373 } | 373 } |
374 | 374 |
375 void Text::reattachIfNeeded(const AttachContext& context) | 375 void Text::reattachIfNeeded(const AttachContext& context) |
376 { | 376 { |
377 bool rendererIsNeeded = false; | 377 bool rendererIsNeeded = false; |
378 ContainerNode* renderingParent = NodeRenderingTraversal::parent(*this); | 378 ContainerNode* renderingParent = NodeRenderingTraversal::parent(*this); |
379 if (renderingParent) { | 379 if (renderingParent) { |
380 if (LayoutObject* parentRenderer = renderingParent->renderer()) { | 380 if (LayoutObject* parentRenderer = renderingParent->layoutObject()) { |
381 if (textRendererIsNeeded(*parentRenderer->style(), *parentRenderer)) | 381 if (textRendererIsNeeded(*parentRenderer->style(), *parentRenderer)) |
382 rendererIsNeeded = true; | 382 rendererIsNeeded = true; |
383 } | 383 } |
384 } | 384 } |
385 | 385 |
386 if (rendererIsNeeded == !!renderer()) | 386 if (rendererIsNeeded == !!layoutObject()) |
387 return; | 387 return; |
388 | 388 |
389 // The following is almost the same as Node::reattach() except that we creat
e renderer only if needed. | 389 // The following is almost the same as Node::reattach() except that we creat
e renderer only if needed. |
390 // Not calling reattach() to avoid repeated calls to Text::textRendererIsNee
ded(). | 390 // Not calling reattach() to avoid repeated calls to Text::textRendererIsNee
ded(). |
391 AttachContext reattachContext(context); | 391 AttachContext reattachContext(context); |
392 reattachContext.performingReattach = true; | 392 reattachContext.performingReattach = true; |
393 | 393 |
394 if (styleChangeType() < NeedsReattachStyleChange) | 394 if (styleChangeType() < NeedsReattachStyleChange) |
395 detach(reattachContext); | 395 detach(reattachContext); |
396 if (rendererIsNeeded) | 396 if (rendererIsNeeded) |
397 LayoutTreeBuilderForText(*this, renderingParent->renderer()).createRende
rer(); | 397 LayoutTreeBuilderForText(*this, renderingParent->layoutObject()).createR
enderer(); |
398 CharacterData::attach(reattachContext); | 398 CharacterData::attach(reattachContext); |
399 } | 399 } |
400 | 400 |
401 void Text::recalcTextStyle(StyleRecalcChange change, Text* nextTextSibling) | 401 void Text::recalcTextStyle(StyleRecalcChange change, Text* nextTextSibling) |
402 { | 402 { |
403 if (LayoutText* renderer = this->renderer()) { | 403 if (LayoutText* renderer = this->layoutObject()) { |
404 if (change != NoChange || needsStyleRecalc()) | 404 if (change != NoChange || needsStyleRecalc()) |
405 renderer->setStyle(document().ensureStyleResolver().styleForText(thi
s)); | 405 renderer->setStyle(document().ensureStyleResolver().styleForText(thi
s)); |
406 if (needsStyleRecalc()) | 406 if (needsStyleRecalc()) |
407 renderer->setText(dataImpl()); | 407 renderer->setText(dataImpl()); |
408 clearNeedsStyleRecalc(); | 408 clearNeedsStyleRecalc(); |
409 } else if (needsStyleRecalc() || needsWhitespaceRenderer()) { | 409 } else if (needsStyleRecalc() || needsWhitespaceRenderer()) { |
410 reattach(); | 410 reattach(); |
411 if (this->renderer()) | 411 if (this->layoutObject()) |
412 reattachWhitespaceSiblingsIfNeeded(nextTextSibling); | 412 reattachWhitespaceSiblingsIfNeeded(nextTextSibling); |
413 } | 413 } |
414 } | 414 } |
415 | 415 |
416 // If a whitespace node had no renderer and goes through a recalcStyle it may | 416 // If a whitespace node had no renderer and goes through a recalcStyle it may |
417 // need to create one if the parent style now has white-space: pre. | 417 // need to create one if the parent style now has white-space: pre. |
418 bool Text::needsWhitespaceRenderer() | 418 bool Text::needsWhitespaceRenderer() |
419 { | 419 { |
420 ASSERT(!renderer()); | 420 ASSERT(!layoutObject()); |
421 if (LayoutStyle* style = parentLayoutStyle()) | 421 if (LayoutStyle* style = parentLayoutStyle()) |
422 return style->preserveNewline(); | 422 return style->preserveNewline(); |
423 return false; | 423 return false; |
424 } | 424 } |
425 | 425 |
426 void Text::updateTextRenderer(unsigned offsetOfReplacedData, unsigned lengthOfRe
placedData, RecalcStyleBehavior recalcStyleBehavior) | 426 void Text::updateTextRenderer(unsigned offsetOfReplacedData, unsigned lengthOfRe
placedData, RecalcStyleBehavior recalcStyleBehavior) |
427 { | 427 { |
428 if (!inActiveDocument()) | 428 if (!inActiveDocument()) |
429 return; | 429 return; |
430 LayoutText* textRenderer = renderer(); | 430 LayoutText* textRenderer = layoutObject(); |
431 if (!textRenderer || !textRendererIsNeeded(*textRenderer->style(), *textRend
erer->parent())) { | 431 if (!textRenderer || !textRendererIsNeeded(*textRenderer->style(), *textRend
erer->parent())) { |
432 lazyReattachIfAttached(); | 432 lazyReattachIfAttached(); |
433 // FIXME: Editing should be updated so this is not neccesary. | 433 // FIXME: Editing should be updated so this is not neccesary. |
434 if (recalcStyleBehavior == DeprecatedRecalcStyleImmediatlelyForEditing) | 434 if (recalcStyleBehavior == DeprecatedRecalcStyleImmediatlelyForEditing) |
435 document().updateRenderTreeIfNeeded(); | 435 document().updateRenderTreeIfNeeded(); |
436 return; | 436 return; |
437 } | 437 } |
438 textRenderer->setTextWithOffset(dataImpl(), offsetOfReplacedData, lengthOfRe
placedData); | 438 textRenderer->setTextWithOffset(dataImpl(), offsetOfReplacedData, lengthOfRe
placedData); |
439 } | 439 } |
440 | 440 |
(...skipping 24 matching lines...) Expand all Loading... |
465 result.appendLiteral("; "); | 465 result.appendLiteral("; "); |
466 result.appendLiteral("value="); | 466 result.appendLiteral("value="); |
467 result.append(s); | 467 result.append(s); |
468 } | 468 } |
469 | 469 |
470 strncpy(buffer, result.toString().utf8().data(), length - 1); | 470 strncpy(buffer, result.toString().utf8().data(), length - 1); |
471 } | 471 } |
472 #endif | 472 #endif |
473 | 473 |
474 } // namespace blink | 474 } // namespace blink |
OLD | NEW |