1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
|
/**
* (C) 1999-2003 Lars Knoll (knoll@kde.org)
* Copyright (C) 2004, 2006, 2007 Apple Inc. All rights reserved.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public License
* along with this library; see the file COPYING.LIB. If not, write to
* the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301, USA.
*/
#include "config.h"
#include "core/css/StyleSheetList.h"
#include "HTMLNames.h"
#include "core/dom/Document.h"
#include "core/dom/StyleEngine.h"
#include "core/html/HTMLStyleElement.h"
#include "wtf/text/WTFString.h"
namespace WebCore {
using namespace HTMLNames;
StyleSheetList::StyleSheetList(TreeScope* treeScope)
: m_treeScope(treeScope)
{
}
StyleSheetList::~StyleSheetList()
{
}
inline const Vector<RefPtr<StyleSheet> >& StyleSheetList::styleSheets()
{
if (!m_treeScope)
return m_detachedStyleSheets;
return document()->styleEngine()->styleSheetsForStyleSheetList(*m_treeScope);
}
void StyleSheetList::detachFromDocument()
{
m_detachedStyleSheets = document()->styleEngine()->styleSheetsForStyleSheetList(*m_treeScope);
m_treeScope = 0;
}
unsigned StyleSheetList::length()
{
return styleSheets().size();
}
StyleSheet* StyleSheetList::item(unsigned index)
{
const Vector<RefPtr<StyleSheet> >& sheets = styleSheets();
return index < sheets.size() ? sheets[index].get() : 0;
}
HTMLStyleElement* StyleSheetList::getNamedItem(const AtomicString& name) const
{
if (!m_treeScope)
return 0;
// IE also supports retrieving a stylesheet by name, using the name/id of the <style> tag
// (this is consistent with all the other collections)
// ### Bad implementation because returns a single element (are IDs always unique?)
// and doesn't look for name attribute.
// But unicity of stylesheet ids is good practice anyway ;)
// FIXME: We should figure out if we should change this or fix the spec.
Element* element = m_treeScope->getElementById(name);
if (element && element->hasTagName(styleTag))
return toHTMLStyleElement(element);
return 0;
}
CSSStyleSheet* StyleSheetList::anonymousNamedGetter(const AtomicString& name)
{
HTMLStyleElement* item = getNamedItem(name);
if (!item)
return 0;
return item->sheet();
}
} // namespace WebCore
|
