mirror of
https://github.com/darlinghq/darling-WebCore.git
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92 lines
2.5 KiB
C++
92 lines
2.5 KiB
C++
/*
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* (C) 1999-2003 Lars Knoll (knoll@kde.org)
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* (C) 2002-2003 Dirk Mueller (mueller@kde.org)
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* Copyright (C) 2002, 2006, 2012 Apple Inc.
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Library General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public License
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* along with this library; see the file COPYING.LIB. If not, write to
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* the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
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* Boston, MA 02110-1301, USA.
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*/
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#pragma once
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#include <wtf/RefPtr.h>
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#include <wtf/Vector.h>
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namespace WebCore {
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class CSSRule;
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class CSSStyleSheet;
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class CSSRuleList {
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WTF_MAKE_NONCOPYABLE(CSSRuleList); WTF_MAKE_FAST_ALLOCATED;
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public:
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virtual ~CSSRuleList();
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virtual void ref() = 0;
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virtual void deref() = 0;
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virtual unsigned length() const = 0;
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virtual CSSRule* item(unsigned index) const = 0;
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virtual CSSStyleSheet* styleSheet() const = 0;
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protected:
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CSSRuleList();
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};
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class StaticCSSRuleList final : public CSSRuleList {
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public:
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static Ref<StaticCSSRuleList> create() { return adoptRef(*new StaticCSSRuleList); }
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void ref() final { ++m_refCount; }
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void deref() final;
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Vector<RefPtr<CSSRule>>& rules() { return m_rules; }
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CSSStyleSheet* styleSheet() const final { return nullptr; }
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private:
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StaticCSSRuleList();
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~StaticCSSRuleList();
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unsigned length() const final { return m_rules.size(); }
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CSSRule* item(unsigned index) const final { return index < m_rules.size() ? m_rules[index].get() : nullptr; }
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Vector<RefPtr<CSSRule>> m_rules;
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unsigned m_refCount;
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};
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// The rule owns the live list.
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template <class Rule>
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class LiveCSSRuleList final : public CSSRuleList {
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public:
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LiveCSSRuleList(Rule& rule)
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: m_rule(rule)
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{
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}
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void ref() final { m_rule.ref(); }
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void deref() final { m_rule.deref(); }
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private:
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unsigned length() const final { return m_rule.length(); }
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CSSRule* item(unsigned index) const final { return m_rule.item(index); }
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CSSStyleSheet* styleSheet() const final { return m_rule.parentStyleSheet(); }
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Rule& m_rule;
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};
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} // namespace WebCore
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