1/**
2 * (C) 1999-2003 Lars Knoll (knoll@kde.org)
3 * (C) 2002-2003 Dirk Mueller (mueller@kde.org)
4 * Copyright (C) 2002, 2005, 2006, 2012 Apple Inc.
5 * Copyright (C) 2006 Samuel Weinig (sam@webkit.org)
6 *
7 * This library is free software; you can redistribute it and/or
8 * modify it under the terms of the GNU Library General Public
9 * License as published by the Free Software Foundation; either
10 * version 2 of the License, or (at your option) any later version.
11 *
12 * This library is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 * Library General Public License for more details.
16 *
17 * You should have received a copy of the GNU Library General Public License
18 * along with this library; see the file COPYING.LIB. If not, write to
19 * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
20 * Boston, MA 02110-1301, USA.
21 */
22
23#include "config.h"
24#include "CSSMediaRule.h"
25
26#include "CSSStyleSheet.h"
27#include "MediaList.h"
28#include "StyleRule.h"
29#include <wtf/text/StringBuilder.h>
30
31namespace WebCore {
32
33CSSMediaRule::CSSMediaRule(StyleRuleMedia& mediaRule, CSSStyleSheet* parent)
34 : CSSGroupingRule(mediaRule, parent)
35{
36}
37
38CSSMediaRule::~CSSMediaRule()
39{
40 if (m_mediaCSSOMWrapper)
41 m_mediaCSSOMWrapper->clearParentRule();
42}
43
44MediaQuerySet* CSSMediaRule::mediaQueries() const
45{
46 return downcast<StyleRuleMedia>(m_groupRule.get()).mediaQueries();
47}
48
49String CSSMediaRule::cssText() const
50{
51 StringBuilder result;
52 result.appendLiteral("@media ");
53 if (mediaQueries()) {
54 result.append(mediaQueries()->mediaText());
55 result.append(' ');
56 }
57 result.appendLiteral("{ \n");
58 appendCssTextForItems(result);
59 result.append('}');
60 return result.toString();
61}
62
63MediaList* CSSMediaRule::media() const
64{
65 if (!mediaQueries())
66 return nullptr;
67 if (!m_mediaCSSOMWrapper)
68 m_mediaCSSOMWrapper = MediaList::create(mediaQueries(), const_cast<CSSMediaRule*>(this));
69 return m_mediaCSSOMWrapper.get();
70}
71
72void CSSMediaRule::reattach(StyleRuleBase& rule)
73{
74 CSSGroupingRule::reattach(rule);
75 if (m_mediaCSSOMWrapper && mediaQueries())
76 m_mediaCSSOMWrapper->reattach(mediaQueries());
77}
78
79} // namespace WebCore
80