15c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)/* 25c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * Copyright (C) 2000 Lars Knoll (knoll@kde.org) 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 RenderBR_h 225c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)#define RenderBR_h 235c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 2453e740f4a82e17f3ae59772501622dc354e42336Torne (Richard Coles)#include "core/rendering/RenderText.h" 255c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 265c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)/* 275c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * The whole class here is a hack to get <br> working, as long as we don't have support for 285c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * CSS2 :before and :after pseudo elements 295c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) */ 305c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)namespace WebCore { 315c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 325c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)class Position; 335c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 3453e740f4a82e17f3ae59772501622dc354e42336Torne (Richard Coles)class RenderBR FINAL : public RenderText { 355c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)public: 36926b001d589ce2f10facb93dd4b87578ea35a855Torne (Richard Coles) explicit RenderBR(Node*); 375c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) virtual ~RenderBR(); 385c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 395c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) virtual const char* renderName() const { return "RenderBR"; } 4002772c6a72f1ee0b226341a4f4439970c29fc861Ben Murdoch 415c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) virtual LayoutRect selectionRectForRepaint(const RenderLayerModelObject* /*repaintContainer*/, bool /*clipToVisibleContent*/) OVERRIDE { return LayoutRect(); } 425c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 435c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) virtual float width(unsigned /*from*/, unsigned /*len*/, const Font&, float /*xPos*/, HashSet<const SimpleFontData*>* = 0 /*fallbackFonts*/ , GlyphOverflow* = 0) const { return 0; } 445c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) virtual float width(unsigned /*from*/, unsigned /*len*/, float /*xpos*/, bool = false /*firstLine*/, HashSet<const SimpleFontData*>* = 0 /*fallbackFonts*/, GlyphOverflow* = 0) const { return 0; } 455c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 465c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) int lineHeight(bool firstLine) const; 475c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 485c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) // overrides 495c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) virtual bool isBR() const { return true; } 505c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 515c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) virtual int caretMinOffset() const; 525c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) virtual int caretMaxOffset() const; 535c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 54f5e4ad553afbc08dd2e729bb77e937a9a94d5827Torne (Richard Coles) virtual PositionWithAffinity positionForPoint(const LayoutPoint&) OVERRIDE FINAL; 555c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 565c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)protected: 575c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) virtual void styleDidChange(StyleDifference, const RenderStyle* oldStyle); 585c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 595c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)private: 605c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) mutable int m_lineHeight; 615c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)}; 625c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 635c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 645c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)inline RenderBR* toRenderBR(RenderObject* object) 6502772c6a72f1ee0b226341a4f4439970c29fc861Ben Murdoch{ 66926b001d589ce2f10facb93dd4b87578ea35a855Torne (Richard Coles) ASSERT_WITH_SECURITY_IMPLICATION(!object || object->isBR()); 675c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) return static_cast<RenderBR*>(object); 685c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)} 695c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 705c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)inline const RenderBR* toRenderBR(const RenderObject* object) 7102772c6a72f1ee0b226341a4f4439970c29fc861Ben Murdoch{ 72926b001d589ce2f10facb93dd4b87578ea35a855Torne (Richard Coles) ASSERT_WITH_SECURITY_IMPLICATION(!object || object->isBR()); 735c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) return static_cast<const RenderBR*>(object); 745c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)} 755c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 765c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)// This will catch anyone doing an unnecessary cast. 775c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)void toRenderBR(const RenderBR*); 785c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 795c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)} // namespace WebCore 805c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 815c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)#endif // RenderBR_h 82