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Side by Side Diff: Source/core/layout/line/InlineTextBox.cpp

Issue 1033943002: Rename LayoutStyle to papayawhip (Closed) Base URL: svn://svn.chromium.org/blink/trunk
Patch Set: ensureComputedStyle Created 5 years, 8 months ago
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1 /* 1 /*
2 * (C) 1999 Lars Knoll (knoll@kde.org) 2 * (C) 1999 Lars Knoll (knoll@kde.org)
3 * (C) 2000 Dirk Mueller (mueller@kde.org) 3 * (C) 2000 Dirk Mueller (mueller@kde.org)
4 * Copyright (C) 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011 Apple Inc. All r ights reserved. 4 * Copyright (C) 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011 Apple Inc. All r ights 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 169 matching lines...) Expand 10 before | Expand all | Expand 10 after
180 int sPos = std::max(startPos - m_start, 0); 180 int sPos = std::max(startPos - m_start, 0);
181 int ePos = std::min(endPos - m_start, (int)m_len); 181 int ePos = std::min(endPos - m_start, (int)m_len);
182 182
183 if (sPos > ePos) 183 if (sPos > ePos)
184 return LayoutRect(); 184 return LayoutRect();
185 185
186 FontCachePurgePreventer fontCachePurgePreventer; 186 FontCachePurgePreventer fontCachePurgePreventer;
187 187
188 LayoutUnit selTop = root().selectionTop(); 188 LayoutUnit selTop = root().selectionTop();
189 LayoutUnit selHeight = root().selectionHeight(); 189 LayoutUnit selHeight = root().selectionHeight();
190 const LayoutStyle& styleToUse = layoutObject().styleRef(isFirstLineStyle()); 190 const ComputedStyle& styleToUse = layoutObject().styleRef(isFirstLineStyle() );
191 const Font& font = styleToUse.font(); 191 const Font& font = styleToUse.font();
192 192
193 StringBuilder charactersWithHyphen; 193 StringBuilder charactersWithHyphen;
194 bool respectHyphen = ePos == m_len && hasHyphen(); 194 bool respectHyphen = ePos == m_len && hasHyphen();
195 TextRun textRun = constructTextRun(styleToUse, font, respectHyphen ? &charac tersWithHyphen : 0); 195 TextRun textRun = constructTextRun(styleToUse, font, respectHyphen ? &charac tersWithHyphen : 0);
196 196
197 FloatPointWillBeLayoutPoint startingPoint = FloatPointWillBeLayoutPoint(logi calLeft(), selTop.toFloat()); 197 FloatPointWillBeLayoutPoint startingPoint = FloatPointWillBeLayoutPoint(logi calLeft(), selTop.toFloat());
198 LayoutRect r; 198 LayoutRect r;
199 if (sPos || ePos != static_cast<int>(m_len)) { 199 if (sPos || ePos != static_cast<int>(m_len)) {
200 r = LayoutRect(enclosingIntRect(font.selectionRectForText(textRun, start ingPoint.toFloatPoint(), selHeight, sPos, ePos))); 200 r = LayoutRect(enclosingIntRect(font.selectionRectForText(textRun, start ingPoint.toFloatPoint(), selHeight, sPos, ePos)));
(...skipping 121 matching lines...) Expand 10 before | Expand all | Expand 10 after
322 // FIXME: both calls to rawValue() below is temporary and should be removed once the transition 322 // FIXME: both calls to rawValue() below is temporary and should be removed once the transition
323 // to LayoutUnit-based types is complete (crbug.com/321237) 323 // to LayoutUnit-based types is complete (crbug.com/321237)
324 if (m_truncation != cFullTruncation && visibleToHitTestRequest(request) && l ocationInContainer.intersects(rect.rawValue())) { 324 if (m_truncation != cFullTruncation && visibleToHitTestRequest(request) && l ocationInContainer.intersects(rect.rawValue())) {
325 layoutObject().updateHitTestResult(result, flipForWritingMode(locationIn Container.point() - toLayoutSize(accumulatedOffset))); 325 layoutObject().updateHitTestResult(result, flipForWritingMode(locationIn Container.point() - toLayoutSize(accumulatedOffset)));
326 if (!result.addNodeToListBasedTestResult(layoutObject().node(), request, locationInContainer, rect.rawValue())) 326 if (!result.addNodeToListBasedTestResult(layoutObject().node(), request, locationInContainer, rect.rawValue()))
327 return true; 327 return true;
328 } 328 }
329 return false; 329 return false;
330 } 330 }
331 331
332 bool InlineTextBox::getEmphasisMarkPosition(const LayoutStyle& style, TextEmphas isPosition& emphasisPosition) const 332 bool InlineTextBox::getEmphasisMarkPosition(const ComputedStyle& style, TextEmph asisPosition& emphasisPosition) const
333 { 333 {
334 // This function returns true if there are text emphasis marks and they are suppressed by ruby text. 334 // This function returns true if there are text emphasis marks and they are suppressed by ruby text.
335 if (style.textEmphasisMark() == TextEmphasisMarkNone) 335 if (style.textEmphasisMark() == TextEmphasisMarkNone)
336 return false; 336 return false;
337 337
338 emphasisPosition = style.textEmphasisPosition(); 338 emphasisPosition = style.textEmphasisPosition();
339 if (emphasisPosition == TextEmphasisPositionUnder) 339 if (emphasisPosition == TextEmphasisPositionUnder)
340 return true; // Ruby text is always over, so it cannot suppress emphasis marks under. 340 return true; // Ruby text is always over, so it cannot suppress emphasis marks under.
341 341
342 LayoutBlock* containingBlock = layoutObject().containingBlock(); 342 LayoutBlock* containingBlock = layoutObject().containingBlock();
(...skipping 25 matching lines...) Expand all
368 if (layoutObject().selectionState() == LayoutObject::SelectionStart) 368 if (layoutObject().selectionState() == LayoutObject::SelectionStart)
369 endPos = layoutObject().textLength(); 369 endPos = layoutObject().textLength();
370 else if (layoutObject().selectionState() == LayoutObject::SelectionEnd) 370 else if (layoutObject().selectionState() == LayoutObject::SelectionEnd)
371 startPos = 0; 371 startPos = 0;
372 } 372 }
373 373
374 sPos = std::max(startPos - m_start, 0); 374 sPos = std::max(startPos - m_start, 0);
375 ePos = std::min(endPos - m_start, (int)m_len); 375 ePos = std::min(endPos - m_start, (int)m_len);
376 } 376 }
377 377
378 void InlineTextBox::paintDocumentMarker(GraphicsContext* pt, const FloatPointWil lBeLayoutPoint& boxOrigin, DocumentMarker* marker, const LayoutStyle& style, con st Font& font, bool grammar) 378 void InlineTextBox::paintDocumentMarker(GraphicsContext* pt, const FloatPointWil lBeLayoutPoint& boxOrigin, DocumentMarker* marker, const ComputedStyle& style, c onst Font& font, bool grammar)
379 { 379 {
380 InlineTextBoxPainter(*this).paintDocumentMarker(pt, boxOrigin.toFloatPoint() , marker, style, font, grammar); 380 InlineTextBoxPainter(*this).paintDocumentMarker(pt, boxOrigin.toFloatPoint() , marker, style, font, grammar);
381 } 381 }
382 382
383 void InlineTextBox::paintTextMatchMarker(GraphicsContext* pt, const FloatPointWi llBeLayoutPoint& boxOrigin, DocumentMarker* marker, const LayoutStyle& style, co nst Font& font) 383 void InlineTextBox::paintTextMatchMarker(GraphicsContext* pt, const FloatPointWi llBeLayoutPoint& boxOrigin, DocumentMarker* marker, const ComputedStyle& style, const Font& font)
384 { 384 {
385 InlineTextBoxPainter(*this).paintTextMatchMarker(pt, boxOrigin.toFloatPoint( ), marker, style, font); 385 InlineTextBoxPainter(*this).paintTextMatchMarker(pt, boxOrigin.toFloatPoint( ), marker, style, font);
386 } 386 }
387 387
388 int InlineTextBox::caretMinOffset() const 388 int InlineTextBox::caretMinOffset() const
389 { 389 {
390 return m_start; 390 return m_start;
391 } 391 }
392 392
393 int InlineTextBox::caretMaxOffset() const 393 int InlineTextBox::caretMaxOffset() const
(...skipping 14 matching lines...) Expand all
408 { 408 {
409 if (isLineBreak()) 409 if (isLineBreak())
410 return 0; 410 return 0;
411 411
412 if (lineOffset - logicalLeft() > logicalWidth()) 412 if (lineOffset - logicalLeft() > logicalWidth())
413 return isLeftToRightDirection() ? len() : 0; 413 return isLeftToRightDirection() ? len() : 0;
414 if (lineOffset - logicalLeft() < 0) 414 if (lineOffset - logicalLeft() < 0)
415 return isLeftToRightDirection() ? 0 : len(); 415 return isLeftToRightDirection() ? 0 : len();
416 416
417 LayoutText& text = layoutObject(); 417 LayoutText& text = layoutObject();
418 const LayoutStyle& style = text.styleRef(isFirstLineStyle()); 418 const ComputedStyle& style = text.styleRef(isFirstLineStyle());
419 const Font& font = style.font(); 419 const Font& font = style.font();
420 return font.offsetForPosition(constructTextRun(style, font), lineOffset - lo gicalLeft(), includePartialGlyphs); 420 return font.offsetForPosition(constructTextRun(style, font), lineOffset - lo gicalLeft(), includePartialGlyphs);
421 } 421 }
422 422
423 FloatWillBeLayoutUnit InlineTextBox::positionForOffset(int offset) const 423 FloatWillBeLayoutUnit InlineTextBox::positionForOffset(int offset) const
424 { 424 {
425 ASSERT(offset >= m_start); 425 ASSERT(offset >= m_start);
426 ASSERT(offset <= m_start + m_len); 426 ASSERT(offset <= m_start + m_len);
427 427
428 if (isLineBreak()) 428 if (isLineBreak())
429 return logicalLeft(); 429 return logicalLeft();
430 430
431 LayoutText& text = layoutObject(); 431 LayoutText& text = layoutObject();
432 const LayoutStyle& styleToUse = text.styleRef(isFirstLineStyle()); 432 const ComputedStyle& styleToUse = text.styleRef(isFirstLineStyle());
433 const Font& font = styleToUse.font(); 433 const Font& font = styleToUse.font();
434 int from = !isLeftToRightDirection() ? offset - m_start : 0; 434 int from = !isLeftToRightDirection() ? offset - m_start : 0;
435 int to = !isLeftToRightDirection() ? m_len : offset - m_start; 435 int to = !isLeftToRightDirection() ? m_len : offset - m_start;
436 // FIXME: Do we need to add rightBearing here? 436 // FIXME: Do we need to add rightBearing here?
437 return font.selectionRectForText(constructTextRun(styleToUse, font), IntPoin t(logicalLeft(), 0), 0, from, to).maxX(); 437 return font.selectionRectForText(constructTextRun(styleToUse, font), IntPoin t(logicalLeft(), 0), 0, from, to).maxX();
438 } 438 }
439 439
440 bool InlineTextBox::containsCaretOffset(int offset) const 440 bool InlineTextBox::containsCaretOffset(int offset) const
441 { 441 {
442 // Offsets before the box are never "in". 442 // Offsets before the box are never "in".
(...skipping 15 matching lines...) Expand all
458 return false; 458 return false;
459 459
460 // Offsets at the end are "in" for normal boxes (but the caller has to check affinity). 460 // Offsets at the end are "in" for normal boxes (but the caller has to check affinity).
461 return true; 461 return true;
462 } 462 }
463 463
464 void InlineTextBox::characterWidths(Vector<FloatWillBeLayoutUnit>& widths) const 464 void InlineTextBox::characterWidths(Vector<FloatWillBeLayoutUnit>& widths) const
465 { 465 {
466 FontCachePurgePreventer fontCachePurgePreventer; 466 FontCachePurgePreventer fontCachePurgePreventer;
467 467
468 const LayoutStyle& styleToUse = layoutObject().styleRef(isFirstLineStyle()); 468 const ComputedStyle& styleToUse = layoutObject().styleRef(isFirstLineStyle() );
469 const Font& font = styleToUse.font(); 469 const Font& font = styleToUse.font();
470 470
471 TextRun textRun = constructTextRun(styleToUse, font); 471 TextRun textRun = constructTextRun(styleToUse, font);
472 472
473 SimpleShaper shaper(&font, textRun); 473 SimpleShaper shaper(&font, textRun);
474 FloatWillBeLayoutUnit lastWidth; 474 FloatWillBeLayoutUnit lastWidth;
475 widths.resize(m_len); 475 widths.resize(m_len);
476 for (unsigned i = 0; i < m_len; i++) { 476 for (unsigned i = 0; i < m_len; i++) {
477 shaper.advance(i + 1); 477 shaper.advance(i + 1);
478 widths[i] = shaper.runWidthSoFar() - lastWidth; 478 widths[i] = shaper.runWidthSoFar() - lastWidth;
479 lastWidth = shaper.runWidthSoFar(); 479 lastWidth = shaper.runWidthSoFar();
480 } 480 }
481 } 481 }
482 482
483 TextRun InlineTextBox::constructTextRun(const LayoutStyle& style, const Font& fo nt, StringBuilder* charactersWithHyphen) const 483 TextRun InlineTextBox::constructTextRun(const ComputedStyle& style, const Font& font, StringBuilder* charactersWithHyphen) const
484 { 484 {
485 ASSERT(layoutObject().text()); 485 ASSERT(layoutObject().text());
486 486
487 StringView string = layoutObject().text().createView(); 487 StringView string = layoutObject().text().createView();
488 unsigned startPos = start(); 488 unsigned startPos = start();
489 unsigned length = len(); 489 unsigned length = len();
490 490
491 if (string.length() != length || startPos) 491 if (string.length() != length || startPos)
492 string.narrow(startPos, length); 492 string.narrow(startPos, length);
493 493
494 return constructTextRun(style, font, string, layoutObject().textLength() - s tartPos, charactersWithHyphen); 494 return constructTextRun(style, font, string, layoutObject().textLength() - s tartPos, charactersWithHyphen);
495 } 495 }
496 496
497 TextRun InlineTextBox::constructTextRun(const LayoutStyle& style, const Font& fo nt, StringView string, int maximumLength, StringBuilder* charactersWithHyphen) c onst 497 TextRun InlineTextBox::constructTextRun(const ComputedStyle& style, const Font& font, StringView string, int maximumLength, StringBuilder* charactersWithHyphen) const
498 { 498 {
499 if (charactersWithHyphen) { 499 if (charactersWithHyphen) {
500 const AtomicString& hyphenString = style.hyphenString(); 500 const AtomicString& hyphenString = style.hyphenString();
501 charactersWithHyphen->reserveCapacity(string.length() + hyphenString.len gth()); 501 charactersWithHyphen->reserveCapacity(string.length() + hyphenString.len gth());
502 charactersWithHyphen->append(string); 502 charactersWithHyphen->append(string);
503 charactersWithHyphen->append(hyphenString); 503 charactersWithHyphen->append(hyphenString);
504 string = charactersWithHyphen->toString().createView(); 504 string = charactersWithHyphen->toString().createView();
505 maximumLength = string.length(); 505 maximumLength = string.length();
506 } 506 }
507 507
508 ASSERT(maximumLength >= static_cast<int>(string.length())); 508 ASSERT(maximumLength >= static_cast<int>(string.length()));
509 509
510 TextRun run(string, textPos(), expansion(), expansionBehavior(), direction() , dirOverride() || style.rtlOrdering() == VisualOrder, !layoutObject().canUseSim pleFontCodePath()); 510 TextRun run(string, textPos(), expansion(), expansionBehavior(), direction() , dirOverride() || style.rtlOrdering() == VisualOrder, !layoutObject().canUseSim pleFontCodePath());
511 run.setTabSize(!style.collapseWhiteSpace(), style.tabSize()); 511 run.setTabSize(!style.collapseWhiteSpace(), style.tabSize());
512 run.setCodePath(layoutObject().canUseSimpleFontCodePath() ? TextRun::ForceSi mple : TextRun::ForceComplex); 512 run.setCodePath(layoutObject().canUseSimpleFontCodePath() ? TextRun::ForceSi mple : TextRun::ForceComplex);
513 run.setTextJustify(style.textJustify()); 513 run.setTextJustify(style.textJustify());
514 514
515 // Propagate the maximum length of the characters buffer to the TextRun, eve n when we're only processing a substring. 515 // Propagate the maximum length of the characters buffer to the TextRun, eve n when we're only processing a substring.
516 run.setCharactersLength(maximumLength); 516 run.setCharactersLength(maximumLength);
517 ASSERT(run.charactersLength() >= run.length()); 517 ASSERT(run.charactersLength() >= run.length());
518 return run; 518 return run;
519 } 519 }
520 520
521 TextRun InlineTextBox::constructTextRunForInspector(const LayoutStyle& style, co nst Font& font) const 521 TextRun InlineTextBox::constructTextRunForInspector(const ComputedStyle& style, const Font& font) const
522 { 522 {
523 return InlineTextBox::constructTextRun(style, font); 523 return InlineTextBox::constructTextRun(style, font);
524 } 524 }
525 525
526 const char* InlineTextBox::boxName() const 526 const char* InlineTextBox::boxName() const
527 { 527 {
528 return "InlineTextBox"; 528 return "InlineTextBox";
529 } 529 }
530 530
531 String InlineTextBox::debugName() const 531 String InlineTextBox::debugName() const
(...skipping 20 matching lines...) Expand all
552 printedCharacters = fprintf(stderr, "\t%s %p", obj.name(), &obj); 552 printedCharacters = fprintf(stderr, "\t%s %p", obj.name(), &obj);
553 const int layoutObjectCharacterOffset = 75; 553 const int layoutObjectCharacterOffset = 75;
554 for (; printedCharacters < layoutObjectCharacterOffset; printedCharacters++) 554 for (; printedCharacters < layoutObjectCharacterOffset; printedCharacters++)
555 fputc(' ', stderr); 555 fputc(' ', stderr);
556 fprintf(stderr, "(%d,%d) \"%s\"\n", start(), start() + len(), value.utf8().d ata()); 556 fprintf(stderr, "(%d,%d) \"%s\"\n", start(), start() + len(), value.utf8().d ata());
557 } 557 }
558 558
559 #endif 559 #endif
560 560
561 } // namespace blink 561 } // namespace blink
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