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
36namespace blink {
37
38class CSSStyleDeclaration;
39class StyleRuleFilter;
40class StyleRuleCSSStyleDeclaration;
41
42class CSSFilterRule FINAL : public CSSRule {
43public:
44    static PassRefPtrWillBeRawPtr<CSSFilterRule> create(StyleRuleFilter* rule, CSSStyleSheet* sheet)
45    {
46        return adoptRefWillBeNoop(new CSSFilterRule(rule, sheet));
47    }
48
49    virtual ~CSSFilterRule();
50
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
59private:
60    CSSFilterRule(StyleRuleFilter*, CSSStyleSheet* parent);
61
62    RefPtrWillBeMember<StyleRuleFilter> m_filterRule;
63    mutable RefPtrWillBeMember<StyleRuleCSSStyleDeclaration> m_propertiesCSSOMWrapper;
64};
65
66DEFINE_CSS_RULE_TYPE_CASTS(CSSFilterRule, WEBKIT_FILTER_RULE);
67
68}
69
70
71#endif // CSSFilterRule_h
72