1/*
2 * Copyright (C) 2007, 2008, 2012, 2014 Apple Inc. 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 * 1. Redistributions of source code must retain the above copyright
8 * notice, this list of conditions and the following disclaimer.
9 * 2. Redistributions in binary form must reproduce the above copyright
10 * notice, this list of conditions and the following disclaimer in the
11 * documentation and/or other materials provided with the distribution.
12 *
13 * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
14 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
15 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
16 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR
17 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
18 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
19 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
20 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
21 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
22 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
23 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
24 */
25
26#pragma once
27
28#include "CSSRule.h"
29#include "StyleProperties.h"
30#include "StyleRule.h"
31
32namespace WebCore {
33
34class CSSStyleDeclaration;
35class StyleRuleCSSStyleDeclaration;
36class CSSKeyframesRule;
37
38class StyleRuleKeyframe final : public StyleRuleBase {
39public:
40 static Ref<StyleRuleKeyframe> create(Ref<StyleProperties>&& properties)
41 {
42 return adoptRef(*new StyleRuleKeyframe(WTFMove(properties)));
43 }
44
45 static Ref<StyleRuleKeyframe> create(std::unique_ptr<Vector<double>> keys, Ref<StyleProperties>&& properties)
46 {
47 return adoptRef(*new StyleRuleKeyframe(WTFMove(keys), WTFMove(properties)));
48 }
49 ~StyleRuleKeyframe();
50
51 String keyText() const;
52 bool setKeyText(const String&);
53 void setKey(double key)
54 {
55 ASSERT(m_keys.isEmpty());
56 m_keys.clear();
57 m_keys.append(key);
58 }
59
60 const Vector<double>& keys() const { return m_keys; };
61
62 const StyleProperties& properties() const { return m_properties; }
63 MutableStyleProperties& mutableProperties();
64
65 String cssText() const;
66
67private:
68 explicit StyleRuleKeyframe(Ref<StyleProperties>&&);
69 StyleRuleKeyframe(std::unique_ptr<Vector<double>>, Ref<StyleProperties>&&);
70
71 Ref<StyleProperties> m_properties;
72 Vector<double> m_keys;
73};
74
75class CSSKeyframeRule final : public CSSRule {
76public:
77 virtual ~CSSKeyframeRule();
78
79 String cssText() const final { return m_keyframe->cssText(); }
80 void reattach(StyleRuleBase&) final;
81
82 String keyText() const { return m_keyframe->keyText(); }
83 void setKeyText(const String& text) { m_keyframe->setKeyText(text); }
84
85 CSSStyleDeclaration& style();
86
87private:
88 CSSKeyframeRule(StyleRuleKeyframe&, CSSKeyframesRule* parent);
89
90 CSSRule::Type type() const final { return KEYFRAME_RULE; }
91
92 Ref<StyleRuleKeyframe> m_keyframe;
93 mutable RefPtr<StyleRuleCSSStyleDeclaration> m_propertiesCSSOMWrapper;
94
95 friend class CSSKeyframesRule;
96};
97
98} // namespace WebCore
99