1 /** 2 * Copyright (C) 2000 Lars Knoll (knoll (at) kde.org) 3 * Copyright (C) 2006 Apple Computer, Inc. 4 * 5 * This library is free software; you can redistribute it and/or 6 * modify it under the terms of the GNU Library General Public 7 * License as published by the Free Software Foundation; either 8 * version 2 of the License, or (at your option) any later version. 9 * 10 * This library is distributed in the hope that it will be useful, 11 * but WITHOUT ANY WARRANTY; without even the implied warranty of 12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 13 * Library General Public License for more details. 14 * 15 * You should have received a copy of the GNU Library General Public License 16 * along with this library; see the file COPYING.LIB. If not, write to 17 * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, 18 * Boston, MA 02110-1301, USA. 19 * 20 */ 21 22 #include "config.h" 23 #include "core/rendering/RenderBR.h" 24 25 #include "core/dom/Document.h" 26 #include "core/rendering/RenderView.h" 27 28 namespace WebCore { 29 30 static PassRefPtr<StringImpl> newlineString() 31 { 32 DEFINE_STATIC_LOCAL(const String, string, ("\n")); 33 return string.impl(); 34 } 35 36 RenderBR::RenderBR(Node* node) 37 : RenderText(node, newlineString()) 38 { 39 } 40 41 RenderBR::~RenderBR() 42 { 43 } 44 45 int RenderBR::lineHeight(bool firstLine) const 46 { 47 RenderStyle* s = style(firstLine && document().styleEngine()->usesFirstLineRules()); 48 return s->computedLineHeight(); 49 } 50 51 void RenderBR::styleDidChange(StyleDifference diff, const RenderStyle* oldStyle) 52 { 53 RenderText::styleDidChange(diff, oldStyle); 54 } 55 56 int RenderBR::caretMinOffset() const 57 { 58 return 0; 59 } 60 61 int RenderBR::caretMaxOffset() const 62 { 63 return 1; 64 } 65 66 PositionWithAffinity RenderBR::positionForPoint(const LayoutPoint&) 67 { 68 return createPositionWithAffinity(0, DOWNSTREAM); 69 } 70 71 } // namespace WebCore 72