1 /* 2 * Copyright (C) 1999-2003 Lars Knoll (knoll (at) kde.org) 3 * 1999 Waldo Bastian (bastian (at) kde.org) 4 * 2001 Andreas Schlapbach (schlpbch (at) iam.unibe.ch) 5 * 2001-2003 Dirk Mueller (mueller (at) kde.org) 6 * Copyright (C) 2002, 2006, 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 #include "config.h" 24 #include "StyleBase.h" 25 26 #include "Document.h" 27 #include "Node.h" 28 #include "StyleSheet.h" 29 30 namespace WebCore { 31 32 String StyleBase::cssText() const 33 { 34 return ""; 35 } 36 37 void StyleBase::checkLoaded() 38 { 39 if (parent()) 40 parent()->checkLoaded(); 41 } 42 43 StyleSheet* StyleBase::stylesheet() 44 { 45 StyleBase *b = this; 46 while (b && !b->isStyleSheet()) 47 b = b->parent(); 48 return static_cast<StyleSheet*>(b); 49 } 50 51 KURL StyleBase::baseURL() const 52 { 53 // Try to find the style sheet. If found look for its URL. 54 // If it has none, get the URL from the parent sheet or the parent node. 55 56 StyleSheet* sheet = const_cast<StyleBase*>(this)->stylesheet(); 57 if (!sheet) 58 return KURL(); 59 if (!sheet->finalURL().isNull()) 60 return sheet->finalURL(); 61 if (sheet->parent()) 62 return sheet->parent()->baseURL(); 63 if (!sheet->ownerNode()) 64 return KURL(); 65 return sheet->ownerNode()->document()->baseURL(); 66 } 67 68 } 69