1/*
2 * Copyright (C) 2000 Lars Knoll (knoll@kde.org)
3 *           (C) 2000 Antti Koivisto (koivisto@kde.org)
4 *           (C) 2000 Dirk Mueller (mueller@kde.org)
5 * Copyright (C) 2003, 2005, 2006, 2007, 2008 Apple Inc. All rights reserved.
6 * Copyright (C) 2006 Graham Dennis (graham.dennis@gmail.com)
7 *
8 * This library is free software; you can redistribute it and/or
9 * modify it under the terms of the GNU Library General Public
10 * License as published by the Free Software Foundation; either
11 * version 2 of the License, or (at your option) any later version.
12 *
13 * This library is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
16 * Library General Public License for more details.
17 *
18 * You should have received a copy of the GNU Library General Public License
19 * along with this library; see the file COPYING.LIB.  If not, write to
20 * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
21 * Boston, MA 02110-1301, USA.
22 *
23 */
24
25#ifndef KeyframeList_h
26#define KeyframeList_h
27
28#include "CSSPropertyNames.h"
29#include "StyleInheritedData.h"
30#include <wtf/Vector.h>
31#include <wtf/HashSet.h>
32#include <wtf/RefPtr.h>
33#include <wtf/text/AtomicString.h>
34
35namespace WebCore {
36
37class RenderStyle;
38class TimingFunction;
39
40class KeyframeValue {
41public:
42    KeyframeValue(double key, PassRefPtr<RenderStyle> style)
43        : m_key(key)
44        , m_style(style)
45    {
46    }
47
48    void addProperty(CSSPropertyID prop) { m_properties.add(prop); }
49    bool containsProperty(CSSPropertyID prop) const { return m_properties.contains(prop); }
50    const HashSet<CSSPropertyID>& properties() const { return m_properties; }
51
52    double key() const { return m_key; }
53    void setKey(double key) { m_key = key; }
54
55    const RenderStyle* style() const { return m_style.get(); }
56    void setStyle(PassRefPtr<RenderStyle> style) { m_style = style; }
57
58    TimingFunction* timingFunction(const AtomicString& name) const;
59
60private:
61    double m_key;
62    HashSet<CSSPropertyID> m_properties; // The properties specified in this keyframe.
63    RefPtr<RenderStyle> m_style;
64};
65
66class KeyframeList {
67public:
68    explicit KeyframeList(const AtomicString& animationName)
69        : m_animationName(animationName)
70    {
71        insert(KeyframeValue(0, 0));
72        insert(KeyframeValue(1, 0));
73    }
74    ~KeyframeList();
75
76    bool operator==(const KeyframeList& o) const;
77    bool operator!=(const KeyframeList& o) const { return !(*this == o); }
78
79    const AtomicString& animationName() const { return m_animationName; }
80
81    void insert(const KeyframeValue& keyframe);
82
83    void addProperty(CSSPropertyID prop) { m_properties.add(prop); }
84    bool containsProperty(CSSPropertyID prop) const { return m_properties.contains(prop); }
85    HashSet<CSSPropertyID>::const_iterator beginProperties() const { return m_properties.begin(); }
86    HashSet<CSSPropertyID>::const_iterator endProperties() const { return m_properties.end(); }
87
88    void clear();
89    bool isEmpty() const { return m_keyframes.isEmpty(); }
90    size_t size() const { return m_keyframes.size(); }
91    const KeyframeValue& operator[](size_t index) const { return m_keyframes[index]; }
92
93private:
94    AtomicString m_animationName;
95    Vector<KeyframeValue> m_keyframes; // Kept sorted by key.
96    HashSet<CSSPropertyID> m_properties; // The properties being animated.
97};
98
99} // namespace WebCore
100
101#endif // KeyframeList_h
102