15c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)/* 25c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * Copyright (C) 2003, 2006, 2007, 2008 Apple Inc. All rights reserved. 35c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * 45c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * This library is free software; you can redistribute it and/or 55c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * modify it under the terms of the GNU Library General Public 65c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * License as published by the Free Software Foundation; either 75c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * version 2 of the License, or (at your option) any later version. 85c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * 95c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * This library is distributed in the hope that it will be useful, 105c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * but WITHOUT ANY WARRANTY; without even the implied warranty of 115c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 125c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * Library General Public License for more details. 135c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * 145c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * You should have received a copy of the GNU Library General Public License 155c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * along with this library; see the file COPYING.LIB. If not, write to 165c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, 175c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * Boston, MA 02110-1301, USA. 185c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * 195c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) */ 205c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 215c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)#ifndef RootInlineBox_h 225c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)#define RootInlineBox_h 235c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 2453e740f4a82e17f3ae59772501622dc354e42336Torne (Richard Coles)#include "core/rendering/InlineFlowBox.h" 251e202183a5dc46166763171984b285173f8585e5Torne (Richard Coles)#include "platform/text/BidiContext.h" 265c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 27c1847b1379d12d0e05df27436bf19a9b1bf12deaTorne (Richard Coles)namespace blink { 285c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 295c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)class EllipsisBox; 305c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)class HitTestResult; 3151b2906e11752df6c18351cf520e30522d3b53a1Torne (Richard Coles)class RenderBlockFlow; 325c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 335c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)struct BidiStatus; 345c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)struct GapRects; 355c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 365c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)class RootInlineBox : public InlineFlowBox { 375c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)public: 38d5428f32f5d1719f774f62e19147104ca245a3abTorne (Richard Coles) explicit RootInlineBox(RenderBlockFlow&); 395c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 40f5e4ad553afbc08dd2e729bb77e937a9a94d5827Torne (Richard Coles) virtual void destroy() OVERRIDE FINAL; 415c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 4253e740f4a82e17f3ae59772501622dc354e42336Torne (Richard Coles) virtual bool isRootInlineBox() const OVERRIDE FINAL { return true; } 435c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 44f5e4ad553afbc08dd2e729bb77e937a9a94d5827Torne (Richard Coles) void detachEllipsisBox(); 455c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 465c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) RootInlineBox* nextRootBox() const { return static_cast<RootInlineBox*>(m_nextLineBox); } 475c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) RootInlineBox* prevRootBox() const { return static_cast<RootInlineBox*>(m_prevLineBox); } 485c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 4953e740f4a82e17f3ae59772501622dc354e42336Torne (Richard Coles) virtual void adjustPosition(float dx, float dy) OVERRIDE FINAL; 505c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 515c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) LayoutUnit lineTop() const { return m_lineTop; } 525c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) LayoutUnit lineBottom() const { return m_lineBottom; } 535c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 545c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) LayoutUnit lineTopWithLeading() const { return m_lineTopWithLeading; } 555c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) LayoutUnit lineBottomWithLeading() const { return m_lineBottomWithLeading; } 5602772c6a72f1ee0b226341a4f4439970c29fc861Ben Murdoch 57926b001d589ce2f10facb93dd4b87578ea35a855Torne (Richard Coles) LayoutUnit paginationStrut() const { return m_fragmentationData ? m_fragmentationData->m_paginationStrut : LayoutUnit(0); } 58926b001d589ce2f10facb93dd4b87578ea35a855Torne (Richard Coles) void setPaginationStrut(LayoutUnit strut) { ensureLineFragmentationData()->m_paginationStrut = strut; } 595c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 60926b001d589ce2f10facb93dd4b87578ea35a855Torne (Richard Coles) bool isFirstAfterPageBreak() const { return m_fragmentationData ? m_fragmentationData->m_isFirstAfterPageBreak : false; } 61926b001d589ce2f10facb93dd4b87578ea35a855Torne (Richard Coles) void setIsFirstAfterPageBreak(bool isFirstAfterPageBreak) { ensureLineFragmentationData()->m_isFirstAfterPageBreak = isFirstAfterPageBreak; } 625c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 63926b001d589ce2f10facb93dd4b87578ea35a855Torne (Richard Coles) LayoutUnit paginatedLineWidth() const { return m_fragmentationData ? m_fragmentationData->m_paginatedLineWidth : LayoutUnit(0); } 64926b001d589ce2f10facb93dd4b87578ea35a855Torne (Richard Coles) void setPaginatedLineWidth(LayoutUnit width) { ensureLineFragmentationData()->m_paginatedLineWidth = width; } 65926b001d589ce2f10facb93dd4b87578ea35a855Torne (Richard Coles) 665c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) LayoutUnit selectionTop() const; 675c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) LayoutUnit selectionBottom() const; 685c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) LayoutUnit selectionHeight() const { return max<LayoutUnit>(0, selectionBottom() - selectionTop()); } 695c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 705c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) LayoutUnit selectionTopAdjustedForPrecedingBlock() const; 715c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) LayoutUnit selectionHeightAdjustedForPrecedingBlock() const { return max<LayoutUnit>(0, selectionBottom() - selectionTopAdjustedForPrecedingBlock()); } 725c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 735c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) int blockDirectionPointInLine() const; 745c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 755c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) LayoutUnit alignBoxesInBlockDirection(LayoutUnit heightOfBlock, GlyphOverflowAndFallbackFontsMap&, VerticalPositionCache&); 76197021e6b966cfb06891637935ef33fff06433d1Ben Murdoch void setLineTopBottomPositions(LayoutUnit top, LayoutUnit bottom, LayoutUnit topWithLeading, LayoutUnit bottomWithLeading, LayoutUnit selectionBottom = LayoutUnit::min()) 7702772c6a72f1ee0b226341a4f4439970c29fc861Ben Murdoch { 7802772c6a72f1ee0b226341a4f4439970c29fc861Ben Murdoch m_lineTop = top; 795c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) m_lineBottom = bottom; 805c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) m_lineTopWithLeading = topWithLeading; 815c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) m_lineBottomWithLeading = bottomWithLeading; 82197021e6b966cfb06891637935ef33fff06433d1Ben Murdoch m_selectionBottom = selectionBottom == LayoutUnit::min() ? bottom : selectionBottom; 835c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) } 845c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 8553e740f4a82e17f3ae59772501622dc354e42336Torne (Richard Coles) virtual RenderLineBoxList* rendererLineBoxes() const OVERRIDE FINAL; 865c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 875c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) RenderObject* lineBreakObj() const { return m_lineBreakObj; } 885c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) BidiStatus lineBreakBidiStatus() const; 895c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) void setLineBreakInfo(RenderObject*, unsigned breakPos, const BidiStatus&); 905c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 915c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) unsigned lineBreakPos() const { return m_lineBreakPos; } 925c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) void setLineBreakPos(unsigned p) { m_lineBreakPos = p; } 935c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 945c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) using InlineBox::endsWithBreak; 955c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) using InlineBox::setEndsWithBreak; 965c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 975c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) void childRemoved(InlineBox* box); 985c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 995c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) bool lineCanAccommodateEllipsis(bool ltr, int blockEdge, int lineBoxEdge, int ellipsisWidth); 1005c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) // Return the truncatedWidth, the width of the truncated text + ellipsis. 1015c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) float placeEllipsis(const AtomicString& ellipsisStr, bool ltr, float blockLeftEdge, float blockRightEdge, float ellipsisWidth, InlineBox* markupBox = 0); 1025c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) // Return the position of the EllipsisBox or -1. 10353e740f4a82e17f3ae59772501622dc354e42336Torne (Richard Coles) virtual float placeEllipsisBox(bool ltr, float blockLeftEdge, float blockRightEdge, float ellipsisWidth, float &truncatedWidth, bool& foundBox) OVERRIDE FINAL; 1045c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 1055c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) using InlineBox::hasEllipsisBox; 1065c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) EllipsisBox* ellipsisBox() const; 1075c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 1085c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) void paintEllipsisBox(PaintInfo&, const LayoutPoint&, LayoutUnit lineTop, LayoutUnit lineBottom) const; 1095c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 11053e740f4a82e17f3ae59772501622dc354e42336Torne (Richard Coles) virtual void clearTruncation() OVERRIDE FINAL; 1115c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 11253e740f4a82e17f3ae59772501622dc354e42336Torne (Richard Coles) virtual int baselinePosition(FontBaseline baselineType) const OVERRIDE FINAL; 11353e740f4a82e17f3ae59772501622dc354e42336Torne (Richard Coles) virtual LayoutUnit lineHeight() const OVERRIDE FINAL; 1145c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 11509380295ba73501a205346becac22c6978e4671dTorne (Richard Coles) virtual void paint(PaintInfo&, const LayoutPoint&, LayoutUnit lineTop, LayoutUnit lineBottom) OVERRIDE; 11653e740f4a82e17f3ae59772501622dc354e42336Torne (Richard Coles) virtual bool nodeAtPoint(const HitTestRequest&, HitTestResult&, const HitTestLocation& locationInContainer, const LayoutPoint& accumulatedOffset, LayoutUnit lineTop, LayoutUnit lineBottom) OVERRIDE FINAL; 1175c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 1185c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) using InlineBox::hasSelectedChildren; 1195c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) using InlineBox::setHasSelectedChildren; 1205c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 1217242dc3dbeb210b5e876a3c42d1ec1a667fc621aPrimiano Tucci virtual RenderObject::SelectionState selectionState() const OVERRIDE FINAL; 1227242dc3dbeb210b5e876a3c42d1ec1a667fc621aPrimiano Tucci InlineBox* firstSelectedBox() const; 1237242dc3dbeb210b5e876a3c42d1ec1a667fc621aPrimiano Tucci InlineBox* lastSelectedBox() const; 1245c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 1257242dc3dbeb210b5e876a3c42d1ec1a667fc621aPrimiano Tucci GapRects lineSelectionGap(const RenderBlock* rootBlock, const LayoutPoint& rootBlockPhysicalPosition, const LayoutSize& offsetFromRootBlock, LayoutUnit selTop, LayoutUnit selHeight, const PaintInfo*) const; 1265c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 127d5428f32f5d1719f774f62e19147104ca245a3abTorne (Richard Coles) RenderBlockFlow& block() const; 1285c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 1295c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) InlineBox* closestLeafChildForPoint(const IntPoint&, bool onlyEditableLeaves); 1305c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) InlineBox* closestLeafChildForLogicalLeftPosition(int, bool onlyEditableLeaves = false); 1315c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 1325c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) void appendFloat(RenderBox* floatingBox) 1335c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) { 1345c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) ASSERT(!isDirty()); 1355c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) if (m_floats) 1365c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) m_floats->append(floatingBox); 1375c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) else 1385c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) m_floats= adoptPtr(new Vector<RenderBox*>(1, floatingBox)); 1395c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) } 1405c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 1415c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) Vector<RenderBox*>* floatsPtr() { ASSERT(!isDirty()); return m_floats.get(); } 1425c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 14353e740f4a82e17f3ae59772501622dc354e42336Torne (Richard Coles) virtual void extractLineBoxFromRenderObject() OVERRIDE FINAL; 14453e740f4a82e17f3ae59772501622dc354e42336Torne (Richard Coles) virtual void attachLineBoxToRenderObject() OVERRIDE FINAL; 14553e740f4a82e17f3ae59772501622dc354e42336Torne (Richard Coles) virtual void removeLineBoxFromRenderObject() OVERRIDE FINAL; 14602772c6a72f1ee0b226341a4f4439970c29fc861Ben Murdoch 1475c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) FontBaseline baselineType() const { return static_cast<FontBaseline>(m_baselineType); } 1485c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 1495c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) bool hasAnnotationsBefore() const { return m_hasAnnotationsBefore; } 1505c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) bool hasAnnotationsAfter() const { return m_hasAnnotationsAfter; } 1515c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 1525c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) LayoutRect paddedLayoutOverflowRect(LayoutUnit endPadding) const; 1535c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 1545c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) void ascentAndDescentForBox(InlineBox*, GlyphOverflowAndFallbackFontsMap&, int& ascent, int& descent, bool& affectsAscent, bool& affectsDescent) const; 1555c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) LayoutUnit verticalPositionForBox(InlineBox*, VerticalPositionCache&); 1565c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) bool includeLeadingForBox(InlineBox*) const; 1575c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) bool includeFontForBox(InlineBox*) const; 1585c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) bool includeGlyphsForBox(InlineBox*) const; 1595c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) bool includeMarginForBox(InlineBox*) const; 1605c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) bool fitsToGlyphs() const; 1615c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) bool includesRootLineBoxFontOrLeading() const; 16202772c6a72f1ee0b226341a4f4439970c29fc861Ben Murdoch 1635c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) LayoutUnit logicalTopVisualOverflow() const 1645c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) { 1655c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) return InlineFlowBox::logicalTopVisualOverflow(lineTop()); 1665c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) } 1675c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) LayoutUnit logicalBottomVisualOverflow() const 1685c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) { 1695c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) return InlineFlowBox::logicalBottomVisualOverflow(lineBottom()); 1705c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) } 1715c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) LayoutUnit logicalTopLayoutOverflow() const 1725c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) { 1735c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) return InlineFlowBox::logicalTopLayoutOverflow(lineTop()); 1745c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) } 1755c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) LayoutUnit logicalBottomLayoutOverflow() const 1765c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) { 1775c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) return InlineFlowBox::logicalBottomLayoutOverflow(lineBottom()); 1785c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) } 1795c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 180926b001d589ce2f10facb93dd4b87578ea35a855Torne (Richard Coles) // Used to calculate the underline offset for TextUnderlinePositionUnder. 18193ac45cfc74041c8ae536ce58a9534d46db2024eTorne (Richard Coles) float maxLogicalTop() const; 182926b001d589ce2f10facb93dd4b87578ea35a855Torne (Richard Coles) 1835c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) Node* getLogicalStartBoxWithNode(InlineBox*&) const; 1845c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) Node* getLogicalEndBoxWithNode(InlineBox*&) const; 1855c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 1865c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)#ifndef NDEBUG 18709380295ba73501a205346becac22c6978e4671dTorne (Richard Coles) virtual const char* boxName() const OVERRIDE; 1885c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)#endif 1895c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)private: 1905c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) LayoutUnit beforeAnnotationsAdjustment() const; 1915c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 192926b001d589ce2f10facb93dd4b87578ea35a855Torne (Richard Coles) struct LineFragmentationData; 193926b001d589ce2f10facb93dd4b87578ea35a855Torne (Richard Coles) LineFragmentationData* ensureLineFragmentationData() 194926b001d589ce2f10facb93dd4b87578ea35a855Torne (Richard Coles) { 195926b001d589ce2f10facb93dd4b87578ea35a855Torne (Richard Coles) if (!m_fragmentationData) 196926b001d589ce2f10facb93dd4b87578ea35a855Torne (Richard Coles) m_fragmentationData = adoptPtr(new LineFragmentationData()); 197926b001d589ce2f10facb93dd4b87578ea35a855Torne (Richard Coles) 198926b001d589ce2f10facb93dd4b87578ea35a855Torne (Richard Coles) return m_fragmentationData.get(); 199926b001d589ce2f10facb93dd4b87578ea35a855Torne (Richard Coles) } 200926b001d589ce2f10facb93dd4b87578ea35a855Torne (Richard Coles) 2015c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) // This folds into the padding at the end of InlineFlowBox on 64-bit. 2025c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) unsigned m_lineBreakPos; 2035c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 2045c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) // Where this line ended. The exact object and the position within that object are stored so that 2055c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) // we can create an InlineIterator beginning just after the end of this line. 2065c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) RenderObject* m_lineBreakObj; 2075c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) RefPtr<BidiContext> m_lineBreakContext; 2085c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 209926b001d589ce2f10facb93dd4b87578ea35a855Torne (Richard Coles) struct LineFragmentationData { 210926b001d589ce2f10facb93dd4b87578ea35a855Torne (Richard Coles) WTF_MAKE_NONCOPYABLE(LineFragmentationData); WTF_MAKE_FAST_ALLOCATED; 211926b001d589ce2f10facb93dd4b87578ea35a855Torne (Richard Coles) public: 212926b001d589ce2f10facb93dd4b87578ea35a855Torne (Richard Coles) LineFragmentationData() 21309380295ba73501a205346becac22c6978e4671dTorne (Richard Coles) : m_paginationStrut(0) 214926b001d589ce2f10facb93dd4b87578ea35a855Torne (Richard Coles) , m_paginatedLineWidth(0) 215926b001d589ce2f10facb93dd4b87578ea35a855Torne (Richard Coles) , m_isFirstAfterPageBreak(false) 216926b001d589ce2f10facb93dd4b87578ea35a855Torne (Richard Coles) { 217926b001d589ce2f10facb93dd4b87578ea35a855Torne (Richard Coles) 218926b001d589ce2f10facb93dd4b87578ea35a855Torne (Richard Coles) } 219926b001d589ce2f10facb93dd4b87578ea35a855Torne (Richard Coles) 220926b001d589ce2f10facb93dd4b87578ea35a855Torne (Richard Coles) LayoutUnit m_paginationStrut; 221926b001d589ce2f10facb93dd4b87578ea35a855Torne (Richard Coles) LayoutUnit m_paginatedLineWidth; 222926b001d589ce2f10facb93dd4b87578ea35a855Torne (Richard Coles) bool m_isFirstAfterPageBreak; 223926b001d589ce2f10facb93dd4b87578ea35a855Torne (Richard Coles) }; 224926b001d589ce2f10facb93dd4b87578ea35a855Torne (Richard Coles) 225926b001d589ce2f10facb93dd4b87578ea35a855Torne (Richard Coles) OwnPtr<LineFragmentationData> m_fragmentationData; 2265c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 2275c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) // Floats hanging off the line are pushed into this vector during layout. It is only 2285c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) // good for as long as the line has not been marked dirty. 2295c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) OwnPtr<Vector<RenderBox*> > m_floats; 230197021e6b966cfb06891637935ef33fff06433d1Ben Murdoch 231197021e6b966cfb06891637935ef33fff06433d1Ben Murdoch LayoutUnit m_lineTop; 232197021e6b966cfb06891637935ef33fff06433d1Ben Murdoch LayoutUnit m_lineBottom; 233197021e6b966cfb06891637935ef33fff06433d1Ben Murdoch LayoutUnit m_lineTopWithLeading; 234197021e6b966cfb06891637935ef33fff06433d1Ben Murdoch LayoutUnit m_lineBottomWithLeading; 235197021e6b966cfb06891637935ef33fff06433d1Ben Murdoch LayoutUnit m_selectionBottom; 2365c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)}; 2375c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 238c1847b1379d12d0e05df27436bf19a9b1bf12deaTorne (Richard Coles)} // namespace blink 2395c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 2405c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)#endif // RootInlineBox_h 241