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 33namespace WebCore { 34 35CSSPageRule::CSSPageRule(StyleRulePage* pageRule, CSSStyleSheet* parent) 36 : CSSRule(parent) 37 , m_pageRule(pageRule) 38{ 39} 40 41CSSPageRule::~CSSPageRule() 42{ 43 if (m_propertiesCSSOMWrapper) 44 m_propertiesCSSOMWrapper->clearParentRule(); 45} 46 47CSSStyleDeclaration* 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 54String 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 69void 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 82String 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 95void CSSPageRule::reattach(StyleRuleBase* rule) 96{ 97 ASSERT(rule); 98 ASSERT_WITH_SECURITY_IMPLICATION(rule->isPageRule()); 99 m_pageRule = static_cast<StyleRulePage*>(rule); 100 if (m_propertiesCSSOMWrapper) 101 m_propertiesCSSOMWrapper->reattach(m_pageRule->mutableProperties()); 102} 103 104} // namespace WebCore 105