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, 2008, 2012 Apple Inc. All rights reserved.
5 *
6 * This library is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU Library General Public
8 * License as published by the Free Software Foundation; either
9 * version 2 of the License, or (at your option) any later version.
10 *
11 * This library is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 * Library General Public License for more details.
15 *
16 * You should have received a copy of the GNU Library General Public License
17 * along with this library; see the file COPYING.LIB. If not, write to
18 * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
19 * Boston, MA 02110-1301, USA.
20 */
21
22#include "config.h"
23#include "CSSPageRule.h"
24
25#include "CSSParser.h"
26#include "CSSSelector.h"
27#include "CSSStyleSheet.h"
28#include "Document.h"
29#include "PropertySetCSSStyleDeclaration.h"
30#include "StyleProperties.h"
31#include "StyleRule.h"
32#include <wtf/text/StringBuilder.h>
33
34namespace WebCore {
35
36CSSPageRule::CSSPageRule(StyleRulePage& pageRule, CSSStyleSheet* parent)
37 : CSSRule(parent)
38 , m_pageRule(pageRule)
39{
40}
41
42CSSPageRule::~CSSPageRule()
43{
44 if (m_propertiesCSSOMWrapper)
45 m_propertiesCSSOMWrapper->clearParentRule();
46}
47
48CSSStyleDeclaration& CSSPageRule::style()
49{
50 if (!m_propertiesCSSOMWrapper)
51 m_propertiesCSSOMWrapper = StyleRuleCSSStyleDeclaration::create(m_pageRule->mutableProperties(), *this);
52 return *m_propertiesCSSOMWrapper;
53}
54
55String CSSPageRule::selectorText() const
56{
57 StringBuilder text;
58 text.appendLiteral("@page");
59 const CSSSelector* selector = m_pageRule->selector();
60 if (selector) {
61 String pageSpecification = selector->selectorText();
62 if (!pageSpecification.isEmpty() && pageSpecification != starAtom()) {
63 text.append(' ');
64 text.append(pageSpecification);
65 }
66 }
67 return text.toString();
68}
69
70void CSSPageRule::setSelectorText(const String& selectorText)
71{
72 CSSParser parser(parserContext());
73 CSSSelectorList selectorList;
74 parser.parseSelector(selectorText, selectorList);
75 if (!selectorList.isValid())
76 return;
77
78 CSSStyleSheet::RuleMutationScope mutationScope(this);
79
80 m_pageRule->wrapperAdoptSelectorList(WTFMove(selectorList));
81}
82
83String CSSPageRule::cssText() const
84{
85 StringBuilder result;
86 result.append(selectorText());
87 result.appendLiteral(" { ");
88 String decls = m_pageRule->properties().asText();
89 result.append(decls);
90 if (!decls.isEmpty())
91 result.append(' ');
92 result.append('}');
93 return result.toString();
94}
95
96void CSSPageRule::reattach(StyleRuleBase& rule)
97{
98 m_pageRule = downcast<StyleRulePage>(rule);
99 if (m_propertiesCSSOMWrapper)
100 m_propertiesCSSOMWrapper->reattach(m_pageRule.get().mutableProperties());
101}
102
103} // namespace WebCore
104