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Side by Side Diff: Source/core/dom/Text.cpp

Issue 977113003: Rename renderer() to layoutObject(). (Closed) Base URL: svn://svn.chromium.org/blink/trunk
Patch Set: Created 5 years, 9 months ago
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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 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
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
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).createLayoutObje ct(); 369 LayoutTreeBuilderForText(*this, parentRenderer).createLayoutObje ct();
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 layoutObjectIsNeeded = false; 377 bool layoutObjectIsNeeded = 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 layoutObjectIsNeeded = true; 382 layoutObjectIsNeeded = true;
383 } 383 }
384 } 384 }
385 385
386 if (layoutObjectIsNeeded == !!renderer()) 386 if (layoutObjectIsNeeded == !!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 (layoutObjectIsNeeded) 396 if (layoutObjectIsNeeded)
397 LayoutTreeBuilderForText(*this, renderingParent->renderer()).createLayou tObject(); 397 LayoutTreeBuilderForText(*this, renderingParent->layoutObject()).createL ayoutObject();
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
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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
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