1 /*
2 * Copyright (C) 1999-2003 Lars Knoll (knoll@kde.org)
3 * 1999 Waldo Bastian (bastian@kde.org)
4 * 2001 Andreas Schlapbach (schlpbch@iam.unibe.ch)
5 * 2001-2003 Dirk Mueller (mueller@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
cssText() const32 String StyleBase::cssText() const
33 {
34 return "";
35 }
36
checkLoaded()37 void StyleBase::checkLoaded()
38 {
39 if (parent())
40 parent()->checkLoaded();
41 }
42
stylesheet()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
baseURL() const51 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