1 /**
2 * (C) 1999-2003 Lars Knoll (knoll@kde.org)
3 * Copyright (C) 2004, 2006, 2007 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 #include "config.h"
22 #include "StyleSheetList.h"
23
24 #include "CSSStyleSheet.h"
25 #include "Document.h"
26 #include "HTMLNames.h"
27 #include "HTMLStyleElement.h"
28 #include "PlatformString.h"
29
30 namespace WebCore {
31
32 using namespace HTMLNames;
33
StyleSheetList(Document * doc)34 StyleSheetList::StyleSheetList(Document* doc)
35 : m_doc(doc)
36 {
37 }
38
~StyleSheetList()39 StyleSheetList::~StyleSheetList()
40 {
41 }
42
documentDestroyed()43 void StyleSheetList::documentDestroyed()
44 {
45 m_doc = 0;
46 }
47
length() const48 unsigned StyleSheetList::length() const
49 {
50 return m_sheets.size();
51 }
52
item(unsigned index)53 StyleSheet* StyleSheetList::item(unsigned index)
54 {
55 return index < length() ? m_sheets[index].get() : 0;
56 }
57
getNamedItem(const String & name) const58 HTMLStyleElement* StyleSheetList::getNamedItem(const String& name) const
59 {
60 if (!m_doc)
61 return 0;
62
63 // IE also supports retrieving a stylesheet by name, using the name/id of the <style> tag
64 // (this is consistent with all the other collections)
65 // ### Bad implementation because returns a single element (are IDs always unique?)
66 // and doesn't look for name attribute.
67 // But unicity of stylesheet ids is good practice anyway ;)
68
69 Element* element = m_doc->getElementById(name);
70 if (element && element->hasTagName(styleTag))
71 return static_cast<HTMLStyleElement*>(element);
72 return 0;
73 }
74
75 } // namespace WebCore
76