1/*
2 * Copyright (C) 2007, 2008, 2012 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#ifndef WebKitCSSKeyframesRule_h
27#define WebKitCSSKeyframesRule_h
28
29#include "CSSRule.h"
30#include "StyleRule.h"
31#include <memory>
32#include <wtf/Forward.h>
33#include <wtf/text/AtomicString.h>
34
35namespace WebCore {
36
37class CSSRuleList;
38class StyleKeyframe;
39class WebKitCSSKeyframeRule;
40
41class StyleRuleKeyframes : public StyleRuleBase {
42public:
43    static PassRef<StyleRuleKeyframes> create() { return adoptRef(*new StyleRuleKeyframes()); }
44
45    ~StyleRuleKeyframes();
46
47    const Vector<RefPtr<StyleKeyframe>>& keyframes() const { return m_keyframes; }
48
49    void parserAppendKeyframe(PassRefPtr<StyleKeyframe>);
50    void wrapperAppendKeyframe(PassRefPtr<StyleKeyframe>);
51    void wrapperRemoveKeyframe(unsigned);
52
53    String name() const { return m_name; }
54    void setName(const String& name) { m_name = AtomicString(name); }
55
56    int findKeyframeIndex(const String& key) const;
57
58    PassRef<StyleRuleKeyframes> copy() const { return adoptRef(*new StyleRuleKeyframes(*this)); }
59
60private:
61    StyleRuleKeyframes();
62    StyleRuleKeyframes(const StyleRuleKeyframes&);
63
64    Vector<RefPtr<StyleKeyframe>> m_keyframes;
65    AtomicString m_name;
66};
67
68class WebKitCSSKeyframesRule : public CSSRule {
69public:
70    static PassRefPtr<WebKitCSSKeyframesRule> create(StyleRuleKeyframes* rule, CSSStyleSheet* sheet) { return adoptRef(new WebKitCSSKeyframesRule(rule, sheet)); }
71
72    virtual ~WebKitCSSKeyframesRule();
73
74    virtual CSSRule::Type type() const override { return WEBKIT_KEYFRAMES_RULE; }
75    virtual String cssText() const override;
76    virtual void reattach(StyleRuleBase*) override;
77
78    String name() const { return m_keyframesRule->name(); }
79    void setName(const String&);
80
81    CSSRuleList* cssRules();
82
83    void insertRule(const String& rule);
84    void deleteRule(const String& key);
85    WebKitCSSKeyframeRule* findRule(const String& key);
86
87    // For IndexedGetter and CSSRuleList.
88    unsigned length() const;
89    WebKitCSSKeyframeRule* item(unsigned index) const;
90
91private:
92    WebKitCSSKeyframesRule(StyleRuleKeyframes*, CSSStyleSheet* parent);
93
94    RefPtr<StyleRuleKeyframes> m_keyframesRule;
95    mutable Vector<RefPtr<WebKitCSSKeyframeRule>> m_childRuleCSSOMWrappers;
96    mutable std::unique_ptr<CSSRuleList> m_ruleListCSSOMWrapper;
97};
98
99} // namespace WebCore
100
101#endif // WebKitCSSKeyframesRule_h
102