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 blink {
35
36class CSSRuleList;
37class StyleKeyframe;
38class CSSKeyframeRule;
39
40class StyleRuleKeyframes FINAL : public StyleRuleBase {
41public:
42    static PassRefPtrWillBeRawPtr<StyleRuleKeyframes> create() { return adoptRefWillBeNoop(new StyleRuleKeyframes()); }
43
44    ~StyleRuleKeyframes();
45
46    const WillBeHeapVector<RefPtrWillBeMember<StyleKeyframe> >& keyframes() const { return m_keyframes; }
47
48    void parserAppendKeyframe(PassRefPtrWillBeRawPtr<StyleKeyframe>);
49    void wrapperAppendKeyframe(PassRefPtrWillBeRawPtr<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    PassRefPtrWillBeRawPtr<StyleRuleKeyframes> copy() const { return adoptRefWillBeNoop(new StyleRuleKeyframes(*this)); }
61
62    void traceAfterDispatch(Visitor*);
63
64private:
65    StyleRuleKeyframes();
66    explicit StyleRuleKeyframes(const StyleRuleKeyframes&);
67
68    WillBeHeapVector<RefPtrWillBeMember<StyleKeyframe> > m_keyframes;
69    AtomicString m_name;
70    bool m_isPrefixed;
71};
72
73DEFINE_STYLE_RULE_TYPE_CASTS(Keyframes);
74
75class CSSKeyframesRule FINAL : public CSSRule {
76public:
77    static PassRefPtrWillBeRawPtr<CSSKeyframesRule> create(StyleRuleKeyframes* rule, CSSStyleSheet* sheet)
78    {
79        return adoptRefWillBeNoop(new CSSKeyframesRule(rule, sheet));
80    }
81
82    virtual ~CSSKeyframesRule();
83
84    virtual CSSRule::Type type() const OVERRIDE { return KEYFRAMES_RULE; }
85    virtual String cssText() const OVERRIDE;
86    virtual void reattach(StyleRuleBase*) OVERRIDE;
87
88    String name() const { return m_keyframesRule->name(); }
89    void setName(const String&);
90
91    CSSRuleList* cssRules();
92
93    void insertRule(const String& rule);
94    void deleteRule(const String& key);
95    CSSKeyframeRule* findRule(const String& key);
96
97    // For IndexedGetter and CSSRuleList.
98    unsigned length() const;
99    CSSKeyframeRule* item(unsigned index) const;
100
101    bool isVendorPrefixed() const { return m_isPrefixed; }
102    void setVendorPrefixed(bool isPrefixed) { m_isPrefixed = isPrefixed; }
103
104    virtual void trace(Visitor*) OVERRIDE;
105
106private:
107    CSSKeyframesRule(StyleRuleKeyframes*, CSSStyleSheet* parent);
108
109    RefPtrWillBeMember<StyleRuleKeyframes> m_keyframesRule;
110    mutable WillBeHeapVector<RefPtrWillBeMember<CSSKeyframeRule> > m_childRuleCSSOMWrappers;
111    mutable OwnPtrWillBeMember<CSSRuleList> m_ruleListCSSOMWrapper;
112    bool m_isPrefixed;
113};
114
115DEFINE_CSS_RULE_TYPE_CASTS(CSSKeyframesRule, KEYFRAMES_RULE);
116
117} // namespace blink
118
119#endif // CSSKeyframesRule_h
120