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 WebKitCSSFilterRule_h
31#define WebKitCSSFilterRule_h
32
33#include "CSSRule.h"
34
35#if ENABLE(CSS_SHADERS)
36
37namespace WebCore {
38
39class CSSStyleDeclaration;
40class StyleRuleFilter;
41class StyleRuleCSSStyleDeclaration;
42
43class WebKitCSSFilterRule : public CSSRule {
44public:
45    static PassRefPtr<WebKitCSSFilterRule> create(StyleRuleFilter* rule, CSSStyleSheet* sheet) { return adoptRef(new WebKitCSSFilterRule(rule, sheet)); }
46
47    virtual ~WebKitCSSFilterRule();
48
49    virtual CSSRule::Type type() const OVERRIDE { return WEBKIT_FILTER_RULE; }
50    virtual String cssText() const OVERRIDE;
51    virtual void reattach(StyleRuleBase*) OVERRIDE;
52
53    CSSStyleDeclaration* style();
54
55private:
56    WebKitCSSFilterRule(StyleRuleFilter*, CSSStyleSheet* parent);
57
58    RefPtr<StyleRuleFilter> m_filterRule;
59    mutable RefPtr<StyleRuleCSSStyleDeclaration> m_propertiesCSSOMWrapper;
60};
61
62}
63
64#endif // ENABLE(CSS_SHADERS)
65
66#endif // WebKitCSSFilterRule_h
67