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