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 COMPUTER, 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 COMPUTER, 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 CSSKeyframesRule_h
27#define CSSKeyframesRule_h
28
29#include "core/css/CSSRule.h"
30#include "core/css/StyleRule.h"
31#include "wtf/Forward.h"
32#include "wtf/text/AtomicString.h"
33
34namespace WebCore {
35
36class CSSRuleList;
37class StyleKeyframe;
38class CSSKeyframeRule;
39
40class StyleRuleKeyframes FINAL : public StyleRuleBase {
41public:
42    static PassRefPtr<StyleRuleKeyframes> create() { return adoptRef(new StyleRuleKeyframes()); }
43
44    ~StyleRuleKeyframes();
45
46    const Vector<RefPtr<StyleKeyframe> >& keyframes() const { return m_keyframes; }
47
48    void parserAppendKeyframe(PassRefPtr<StyleKeyframe>);
49    void wrapperAppendKeyframe(PassRefPtr<StyleKeyframe>);
50    void wrapperRemoveKeyframe(unsigned);
51
52    String name() const { return m_name; }
53    void setName(const String& name) { m_name = AtomicString(name); }
54
55    bool isVendorPrefixed() const { return m_isPrefixed; }
56    void setVendorPrefixed(bool isPrefixed) { m_isPrefixed = isPrefixed; }
57
58    int findKeyframeIndex(const String& key) const;
59
60    PassRefPtr<StyleRuleKeyframes> copy() const { return adoptRef(new StyleRuleKeyframes(*this)); }
61
62private:
63    StyleRuleKeyframes();
64    explicit StyleRuleKeyframes(const StyleRuleKeyframes&);
65
66    Vector<RefPtr<StyleKeyframe> > m_keyframes;
67    AtomicString m_name;
68    bool m_isPrefixed;
69};
70
71DEFINE_STYLE_RULE_TYPE_CASTS(Keyframes);
72
73class CSSKeyframesRule FINAL : public CSSRule {
74public:
75    static PassRefPtr<CSSKeyframesRule> create(StyleRuleKeyframes* rule, CSSStyleSheet* sheet) { return adoptRef(new CSSKeyframesRule(rule, sheet)); }
76
77    virtual ~CSSKeyframesRule();
78
79    virtual CSSRule::Type type() const OVERRIDE { return KEYFRAMES_RULE; }
80    virtual String cssText() const OVERRIDE;
81    virtual void reattach(StyleRuleBase*) OVERRIDE;
82
83    String name() const { return m_keyframesRule->name(); }
84    void setName(const String&);
85
86    CSSRuleList* cssRules();
87
88    void insertRule(const String& rule);
89    void deleteRule(const String& key);
90    CSSKeyframeRule* findRule(const String& key);
91
92    // For IndexedGetter and CSSRuleList.
93    unsigned length() const;
94    CSSKeyframeRule* item(unsigned index) const;
95
96    bool isVendorPrefixed() const { return m_isPrefixed; }
97    void setVendorPrefixed(bool isPrefixed) { m_isPrefixed = isPrefixed; }
98
99private:
100    CSSKeyframesRule(StyleRuleKeyframes*, CSSStyleSheet* parent);
101
102    RefPtr<StyleRuleKeyframes> m_keyframesRule;
103    mutable Vector<RefPtr<CSSKeyframeRule> > m_childRuleCSSOMWrappers;
104    mutable OwnPtr<CSSRuleList> m_ruleListCSSOMWrapper;
105    bool m_isPrefixed;
106};
107
108DEFINE_CSS_RULE_TYPE_CASTS(CSSKeyframesRule, KEYFRAMES_RULE);
109
110} // namespace WebCore
111
112#endif // CSSKeyframesRule_h
113