1/*
2 * Copyright (C) 2012 Intel Corporation. All rights reserved.
3 * Copyright (C) 2012 Apple Inc. All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 *
9 * 1. Redistributions of source code must retain the above
10 *    copyright notice, this list of conditions and the following
11 *    disclaimer.
12 * 2. Redistributions in binary form must reproduce the above
13 *    copyright notice, this list of conditions and the following
14 *    disclaimer in the documentation and/or other materials
15 *    provided with the distribution.
16 *
17 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDER “AS IS” AND ANY
18 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
19 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
20 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER BE
21 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY,
22 * OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
23 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
24 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
25 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR
26 * TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF
27 * THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
28 * SUCH DAMAGE.
29 */
30
31#ifndef CSSViewportRule_h
32#define CSSViewportRule_h
33
34#include "core/css/CSSRule.h"
35
36namespace WebCore {
37
38class CSSStyleDeclaration;
39class StyleRuleViewport;
40class StyleRuleCSSStyleDeclaration;
41
42class CSSViewportRule: public CSSRule {
43public:
44    static PassRefPtr<CSSViewportRule> create(StyleRuleViewport* viewportRule, CSSStyleSheet* sheet)
45    {
46        return adoptRef(new CSSViewportRule(viewportRule, sheet));
47    }
48    ~CSSViewportRule();
49
50    virtual CSSRule::Type type() const OVERRIDE { return VIEWPORT_RULE; }
51    virtual String cssText() const OVERRIDE;
52    virtual void reattach(StyleRuleBase*) OVERRIDE;
53
54    CSSStyleDeclaration* style() const;
55
56private:
57    CSSViewportRule(StyleRuleViewport*, CSSStyleSheet*);
58
59    RefPtr<StyleRuleViewport> m_viewportRule;
60    mutable RefPtr<StyleRuleCSSStyleDeclaration> m_propertiesCSSOMWrapper;
61};
62
63DEFINE_CSS_RULE_TYPE_CASTS(CSSViewportRule, VIEWPORT_RULE);
64
65} // namespace WebCore
66
67#endif // CSSViewportRule_h
68