1/*
2 * Copyright (C) 1999 Antti Koivisto (koivisto@kde.org)
3 * Copyright (C) 2004, 2005, 2006, 2007, 2008 Apple Inc. All rights reserved.
4 *
5 * This library is free software; you can redistribute it and/or
6 * modify it under the terms of the GNU Library General Public
7 * License as published by the Free Software Foundation; either
8 * version 2 of the License, or (at your option) any later version.
9 *
10 * This library is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
13 * Library General Public License for more details.
14 *
15 * You should have received a copy of the GNU Library General Public License
16 * along with this library; see the file COPYING.LIB.  If not, write to
17 * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
18 * Boston, MA 02110-1301, USA.
19 *
20 */
21
22#include "config.h"
23#include "core/rendering/style/KeyframeList.h"
24
25#include "core/animation/Animation.h"
26#include "core/css/StylePropertySet.h"
27#include "core/rendering/RenderObject.h"
28
29namespace blink {
30
31KeyframeList::~KeyframeList()
32{
33    clear();
34}
35
36void KeyframeList::clear()
37{
38    m_keyframes.clear();
39    m_properties.clear();
40}
41
42void KeyframeList::insert(const KeyframeValue& keyframe)
43{
44    if (keyframe.key() < 0 || keyframe.key() > 1)
45        return;
46
47    bool inserted = false;
48    bool replaced = false;
49    for (size_t i = 0; i < m_keyframes.size(); ++i) {
50        if (m_keyframes[i].key() == keyframe.key()) {
51            m_keyframes[i] = keyframe;
52            replaced = true;
53            break;
54        }
55
56        if (m_keyframes[i].key() > keyframe.key()) {
57            // insert before
58            m_keyframes.insert(i, keyframe);
59            inserted = true;
60            break;
61        }
62    }
63
64    if (!replaced && !inserted)
65        m_keyframes.append(keyframe);
66
67    if (replaced) {
68        // We have to rebuild the properties list from scratch.
69        m_properties.clear();
70        for (Vector<KeyframeValue>::const_iterator it = m_keyframes.begin(); it != m_keyframes.end(); ++it) {
71            const KeyframeValue& currKeyframe = *it;
72            for (HashSet<CSSPropertyID>::const_iterator it = currKeyframe.properties().begin(); it != currKeyframe.properties().end(); ++it)
73                m_properties.add(*it);
74        }
75    } else {
76        for (HashSet<CSSPropertyID>::const_iterator it = keyframe.properties().begin(); it != keyframe.properties().end(); ++it)
77            m_properties.add(*it);
78    }
79}
80
81} // namespace blink
82