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 Computer, 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 "core/css/CSSMediaRule.h"
25
26 #include "core/css/StyleRule.h"
27 #include "wtf/text/StringBuilder.h"
28
29 namespace WebCore {
30
CSSMediaRule(StyleRuleMedia * mediaRule,CSSStyleSheet * parent)31 CSSMediaRule::CSSMediaRule(StyleRuleMedia* mediaRule, CSSStyleSheet* parent)
32 : CSSGroupingRule(mediaRule, parent)
33 {
34 }
35
~CSSMediaRule()36 CSSMediaRule::~CSSMediaRule()
37 {
38 #if !ENABLE(OILPAN)
39 if (m_mediaCSSOMWrapper)
40 m_mediaCSSOMWrapper->clearParentRule();
41 #endif
42 }
43
mediaQueries() const44 MediaQuerySet* CSSMediaRule::mediaQueries() const
45 {
46 return toStyleRuleMedia(m_groupRule.get())->mediaQueries();
47 }
48
cssText() const49 String CSSMediaRule::cssText() const
50 {
51 StringBuilder result;
52 result.append("@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
media() const63 MediaList* CSSMediaRule::media() const
64 {
65 if (!mediaQueries())
66 return 0;
67 if (!m_mediaCSSOMWrapper)
68 m_mediaCSSOMWrapper = MediaList::create(mediaQueries(), const_cast<CSSMediaRule*>(this));
69 return m_mediaCSSOMWrapper.get();
70 }
71
reattach(StyleRuleBase * rule)72 void CSSMediaRule::reattach(StyleRuleBase* rule)
73 {
74 CSSGroupingRule::reattach(rule);
75 if (m_mediaCSSOMWrapper && mediaQueries())
76 m_mediaCSSOMWrapper->reattach(mediaQueries());
77 }
78
trace(Visitor * visitor)79 void CSSMediaRule::trace(Visitor* visitor)
80 {
81 visitor->trace(m_mediaCSSOMWrapper);
82 CSSGroupingRule::trace(visitor);
83 }
84 } // namespace WebCore
85