1 /* 2 * Copyright (C) 2013 Adobe Systems Incorporated. All rights reserved. 3 * 4 * Redistribution and use in source and binary forms, with or without 5 * modification, are permitted provided that the following conditions 6 * are met: 7 * 8 * 1. Redistributions of source code must retain the above 9 * copyright notice, this list of conditions and the following 10 * disclaimer. 11 * 2. Redistributions in binary form must reproduce the above 12 * copyright notice, this list of conditions and the following 13 * disclaimer in the documentation and/or other materials 14 * provided with the distribution. 15 * 16 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDER "AS IS" AND ANY 17 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 19 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER BE 20 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, 21 * OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, 22 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR 23 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 24 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR 25 * TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF 26 * THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 27 * SUCH DAMAGE. 28 */ 29 30 #ifndef CSSFilterRule_h 31 #define CSSFilterRule_h 32 33 #include "core/css/CSSRule.h" 34 #include "platform/heap/Handle.h" 35 36 namespace WebCore { 37 38 class CSSStyleDeclaration; 39 class StyleRuleFilter; 40 class StyleRuleCSSStyleDeclaration; 41 42 class CSSFilterRule FINAL : public CSSRule { 43 public: create(StyleRuleFilter * rule,CSSStyleSheet * sheet)44 static PassRefPtrWillBeRawPtr<CSSFilterRule> create(StyleRuleFilter* rule, CSSStyleSheet* sheet) 45 { 46 return adoptRefWillBeNoop(new CSSFilterRule(rule, sheet)); 47 } 48 49 virtual ~CSSFilterRule(); 50 type()51 virtual CSSRule::Type type() const OVERRIDE { return WEBKIT_FILTER_RULE; } 52 virtual String cssText() const OVERRIDE; 53 virtual void reattach(StyleRuleBase*) OVERRIDE; 54 55 CSSStyleDeclaration* style() const; 56 57 virtual void trace(Visitor*) OVERRIDE; 58 59 private: 60 CSSFilterRule(StyleRuleFilter*, CSSStyleSheet* parent); 61 62 RefPtrWillBeMember<StyleRuleFilter> m_filterRule; 63 mutable RefPtrWillBeMember<StyleRuleCSSStyleDeclaration> m_propertiesCSSOMWrapper; 64 }; 65 66 DEFINE_CSS_RULE_TYPE_CASTS(CSSFilterRule, WEBKIT_FILTER_RULE); 67 68 } 69 70 71 #endif // CSSFilterRule_h 72