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 "core/css/CSSPageRule.h"
24
25 #include "core/css/CSSParser.h"
26 #include "core/css/CSSSelector.h"
27 #include "core/css/CSSStyleSheet.h"
28 #include "core/css/PropertySetCSSStyleDeclaration.h"
29 #include "core/css/StylePropertySet.h"
30 #include "core/css/StyleRule.h"
31 #include "wtf/text/StringBuilder.h"
32
33 namespace WebCore {
34
CSSPageRule(StyleRulePage * pageRule,CSSStyleSheet * parent)35 CSSPageRule::CSSPageRule(StyleRulePage* pageRule, CSSStyleSheet* parent)
36 : CSSRule(parent)
37 , m_pageRule(pageRule)
38 {
39 }
40
~CSSPageRule()41 CSSPageRule::~CSSPageRule()
42 {
43 if (m_propertiesCSSOMWrapper)
44 m_propertiesCSSOMWrapper->clearParentRule();
45 }
46
style() const47 CSSStyleDeclaration* CSSPageRule::style() const
48 {
49 if (!m_propertiesCSSOMWrapper)
50 m_propertiesCSSOMWrapper = StyleRuleCSSStyleDeclaration::create(m_pageRule->mutableProperties(), const_cast<CSSPageRule*>(this));
51 return m_propertiesCSSOMWrapper.get();
52 }
53
selectorText() const54 String CSSPageRule::selectorText() const
55 {
56 StringBuilder text;
57 text.appendLiteral("@page");
58 const CSSSelector* selector = m_pageRule->selector();
59 if (selector) {
60 String pageSpecification = selector->selectorText();
61 if (!pageSpecification.isEmpty() && pageSpecification != starAtom) {
62 text.append(' ');
63 text.append(pageSpecification);
64 }
65 }
66 return text.toString();
67 }
68
setSelectorText(const String & selectorText)69 void CSSPageRule::setSelectorText(const String& selectorText)
70 {
71 CSSParser parser(parserContext());
72 CSSSelectorList selectorList;
73 parser.parseSelector(selectorText, selectorList);
74 if (!selectorList.isValid())
75 return;
76
77 CSSStyleSheet::RuleMutationScope mutationScope(this);
78
79 m_pageRule->wrapperAdoptSelectorList(selectorList);
80 }
81
cssText() const82 String CSSPageRule::cssText() const
83 {
84 StringBuilder result;
85 result.append(selectorText());
86 result.appendLiteral(" { ");
87 String decls = m_pageRule->properties()->asText();
88 result.append(decls);
89 if (!decls.isEmpty())
90 result.append(' ');
91 result.append('}');
92 return result.toString();
93 }
94
reattach(StyleRuleBase * rule)95 void CSSPageRule::reattach(StyleRuleBase* rule)
96 {
97 ASSERT(rule);
98 m_pageRule = toStyleRulePage(rule);
99 if (m_propertiesCSSOMWrapper)
100 m_propertiesCSSOMWrapper->reattach(m_pageRule->mutableProperties());
101 }
102
103 } // namespace WebCore
104