1 /* 2 * Copyright (C) 1999 Lars Knoll (knoll (at) kde.org) 3 * (C) 1999 Antti Koivisto (koivisto (at) kde.org) 4 * (C) 2001 Dirk Mueller (mueller (at) kde.org) 5 * (C) 2008 David Smith (catfish.man (at) gmail.com) 6 * Copyright (C) 2004, 2005, 2006, 2007, 2008 Apple Inc. All rights reserved. 7 * 8 * This library is free software; you can redistribute it and/or 9 * modify it under the terms of the GNU Library General Public 10 * License as published by the Free Software Foundation; either 11 * version 2 of the License, or (at your option) any later version. 12 * 13 * This library is distributed in the hope that it will be useful, 14 * but WITHOUT ANY WARRANTY; without even the implied warranty of 15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 16 * Library General Public License for more details. 17 * 18 * You should have received a copy of the GNU Library General Public License 19 * along with this library; see the file COPYING.LIB. If not, write to 20 * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, 21 * Boston, MA 02110-1301, USA. 22 * 23 */ 24 25 #ifndef NodeRenderStyle_h 26 #define NodeRenderStyle_h 27 28 #include "core/dom/Node.h" 29 #include "core/dom/NodeRenderingTraversal.h" 30 #include "core/html/HTMLOptGroupElement.h" 31 #include "core/rendering/RenderObject.h" 32 #include "core/rendering/style/RenderStyle.h" 33 34 namespace WebCore { 35 36 inline RenderStyle* Node::renderStyle() const 37 { 38 if (RenderObject* renderer = this->renderer()) 39 return renderer->style(); 40 // <option> and <optgroup> can be styled even though they never get renderers, 41 // so they store their style internally and return it through nonRendererStyle(). 42 // We check here explicitly to avoid the virtual call in the common case. 43 if (isHTMLOptGroupElement(*this) || isHTMLOptionElement(this)) 44 return nonRendererStyle(); 45 return 0; 46 } 47 48 inline RenderStyle* Node::parentRenderStyle() const 49 { 50 ContainerNode* parent = NodeRenderingTraversal::parent(this); 51 return parent ? parent->renderStyle() : 0; 52 } 53 54 } 55 #endif 56