2 * (C) 1999-2003 Lars Knoll (knoll@kde.org)
3 * Copyright (C) 2004, 2006, 2007 Apple Inc. All rights reserved.
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.
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.
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.
22 #include "core/css/StyleSheetList.h"
24 #include "core/HTMLNames.h"
25 #include "core/dom/Document.h"
26 #include "core/dom/StyleEngine.h"
27 #include "core/html/HTMLStyleElement.h"
28 #include "wtf/text/WTFString.h"
32 using namespace HTMLNames;
34 StyleSheetList::StyleSheetList(TreeScope* treeScope)
35 : m_treeScope(treeScope)
39 StyleSheetList::~StyleSheetList()
43 inline const WillBeHeapVector<RefPtrWillBeMember<StyleSheet> >& StyleSheetList::styleSheets()
47 return m_detachedStyleSheets;
49 return document()->styleEngine()->styleSheetsForStyleSheetList(*m_treeScope);
53 void StyleSheetList::detachFromDocument()
55 m_detachedStyleSheets = document()->styleEngine()->styleSheetsForStyleSheetList(*m_treeScope);
56 m_treeScope = nullptr;
60 unsigned StyleSheetList::length()
62 return styleSheets().size();
65 StyleSheet* StyleSheetList::item(unsigned index)
67 const WillBeHeapVector<RefPtrWillBeMember<StyleSheet> >& sheets = styleSheets();
68 return index < sheets.size() ? sheets[index].get() : 0;
71 HTMLStyleElement* StyleSheetList::getNamedItem(const AtomicString& name) const
78 // IE also supports retrieving a stylesheet by name, using the name/id of the <style> tag
79 // (this is consistent with all the other collections)
80 // ### Bad implementation because returns a single element (are IDs always unique?)
81 // and doesn't look for name attribute.
82 // But unicity of stylesheet ids is good practice anyway ;)
83 // FIXME: We should figure out if we should change this or fix the spec.
84 Element* element = m_treeScope->getElementById(name);
85 return isHTMLStyleElement(element) ? toHTMLStyleElement(element) : 0;
88 CSSStyleSheet* StyleSheetList::anonymousNamedGetter(const AtomicString& name)
90 HTMLStyleElement* item = getNamedItem(name);
96 void StyleSheetList::trace(Visitor* visitor)
98 visitor->trace(m_treeScope);