| /* |
| * (C) 1999-2003 Lars Knoll (knoll@kde.org) |
| * (C) 2002-2003 Dirk Mueller (mueller@kde.org) |
| * Copyright (C) 2002, 2006, 2012 Apple Computer, Inc. |
| * |
| * This library is free software; you can redistribute it and/or |
| * modify it under the terms of the GNU Library General Public |
| * License as published by the Free Software Foundation; either |
| * version 2 of the License, or (at your option) any later version. |
| * |
| * This library is distributed in the hope that it will be useful, |
| * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| * Library General Public License for more details. |
| * |
| * You should have received a copy of the GNU Library General Public License |
| * along with this library; see the file COPYING.LIB. If not, write to |
| * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, |
| * Boston, MA 02110-1301, USA. |
| */ |
| |
| #ifndef THIRD_PARTY_BLINK_RENDERER_CORE_CSS_CSS_RULE_LIST_H_ |
| #define THIRD_PARTY_BLINK_RENDERER_CORE_CSS_CSS_RULE_LIST_H_ |
| |
| #include "base/macros.h" |
| #include "base/memory/scoped_refptr.h" |
| #include "third_party/blink/renderer/platform/bindings/script_wrappable.h" |
| #include "third_party/blink/renderer/platform/heap/handle.h" |
| #include "third_party/blink/renderer/platform/wtf/vector.h" |
| |
| namespace blink { |
| |
| class CSSRule; |
| class CSSStyleSheet; |
| |
| class CSSRuleList : public ScriptWrappable { |
| DEFINE_WRAPPERTYPEINFO(); |
| |
| public: |
| virtual unsigned length() const = 0; |
| virtual CSSRule* item(unsigned index) const = 0; |
| |
| virtual CSSStyleSheet* GetStyleSheet() const = 0; |
| |
| protected: |
| CSSRuleList() = default; |
| |
| private: |
| DISALLOW_COPY_AND_ASSIGN(CSSRuleList); |
| }; |
| |
| class StaticCSSRuleList final : public CSSRuleList { |
| public: |
| static StaticCSSRuleList* Create() { |
| return MakeGarbageCollected<StaticCSSRuleList>(); |
| } |
| |
| StaticCSSRuleList(); |
| |
| HeapVector<Member<CSSRule>>& Rules() { return rules_; } |
| |
| CSSStyleSheet* GetStyleSheet() const override { return nullptr; } |
| |
| void Trace(blink::Visitor*) override; |
| |
| private: |
| unsigned length() const override { return rules_.size(); } |
| CSSRule* item(unsigned index) const override { |
| return index < rules_.size() ? rules_[index].Get() : nullptr; |
| } |
| |
| HeapVector<Member<CSSRule>> rules_; |
| }; |
| |
| template <class Rule> |
| class LiveCSSRuleList final : public CSSRuleList { |
| public: |
| static LiveCSSRuleList* Create(Rule* rule) { |
| return MakeGarbageCollected<LiveCSSRuleList>(rule); |
| } |
| |
| LiveCSSRuleList(Rule* rule) : rule_(rule) {} |
| |
| void Trace(blink::Visitor* visitor) override { |
| visitor->Trace(rule_); |
| CSSRuleList::Trace(visitor); |
| } |
| |
| private: |
| unsigned length() const override { return rule_->length(); } |
| CSSRule* item(unsigned index) const override { return rule_->Item(index); } |
| CSSStyleSheet* GetStyleSheet() const override { |
| return rule_->parentStyleSheet(); |
| } |
| |
| Member<Rule> rule_; |
| }; |
| |
| } // namespace blink |
| |
| #endif // THIRD_PARTY_BLINK_RENDERER_CORE_CSS_CSS_RULE_LIST_H_ |