1 /* 2 * Copyright (C) 1999 Lars Knoll (knoll@kde.org) 3 * Copyright (C) 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011 Apple Inc. All rights reserved. 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 #ifndef PseudoStyleRequest_h 23 #define PseudoStyleRequest_h 24 25 #include "core/rendering/style/RenderStyleConstants.h" 26 #include "platform/scroll/ScrollTypes.h" 27 28 namespace blink { 29 30 class RenderScrollbar; 31 class RenderStyle; 32 33 class PseudoStyleRequest { 34 public: 35 36 enum RequestType { ForRenderer, ForComputedStyle }; 37 38 PseudoStyleRequest(PseudoId pseudoId, RenderScrollbar* scrollbar = 0, ScrollbarPart scrollbarPart = NoPart) pseudoId(pseudoId)39 : pseudoId(pseudoId) 40 , type(ForRenderer) 41 , scrollbarPart(scrollbarPart) 42 , scrollbar(scrollbar) 43 { 44 } 45 PseudoStyleRequest(PseudoId pseudoId,RequestType requestType)46 PseudoStyleRequest(PseudoId pseudoId, RequestType requestType) 47 : pseudoId(pseudoId) 48 , type(requestType) 49 , scrollbarPart(NoPart) 50 , scrollbar(0) 51 { 52 } 53 54 // The spec disallows inheritance for ::backdrop. allowsInheritance(const RenderStyle * parentStyle)55 bool allowsInheritance(const RenderStyle* parentStyle) const 56 { 57 return parentStyle && pseudoId != BACKDROP; 58 } 59 60 PseudoId pseudoId; 61 RequestType type; 62 ScrollbarPart scrollbarPart; 63 RenderScrollbar* scrollbar; 64 }; 65 66 } // namespace blink 67 68 #endif // PseudoStyleRequest_h 69