summaryrefslogtreecommitdiffstats
path: root/src/corelib/animation/qabstractanimation.h
blob: 0ef952db582852857179cdb5767ca0e3c30b3b74 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
/****************************************************************************
**
** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies).
** All rights reserved.
** Contact: Nokia Corporation (qt-info@nokia.com)
**
** This file is part of the QtCore module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** GNU Lesser General Public License Usage
** This file may be used under the terms of the GNU Lesser General Public
** License version 2.1 as published by the Free Software Foundation and
** appearing in the file LICENSE.LGPL included in the packaging of this
** file. Please review the following information to ensure the GNU Lesser
** General Public License version 2.1 requirements will be met:
** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** In addition, as a special exception, Nokia gives you certain additional
** rights. These rights are described in the Nokia Qt LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU General
** Public License version 3.0 as published by the Free Software Foundation
** and appearing in the file LICENSE.GPL included in the packaging of this
** file. Please review the following information to ensure the GNU General
** Public License version 3.0 requirements will be met:
** http://www.gnu.org/copyleft/gpl.html.
**
** Other Usage
** Alternatively, this file may be used in accordance with the terms and
** conditions contained in a signed written agreement between you and Nokia.
**
**
**
**
**
** $QT_END_LICENSE$
**
****************************************************************************/

#ifndef QABSTRACTANIMATION_H
#define QABSTRACTANIMATION_H

#include <QtCore/qobject.h>

QT_BEGIN_HEADER

QT_BEGIN_NAMESPACE

QT_MODULE(Core)

#ifndef QT_NO_ANIMATION

class QAnimationGroup;
class QSequentialAnimationGroup;
class QAnimationDriver;

class QAbstractAnimationPrivate;
class Q_CORE_EXPORT QAbstractAnimation : public QObject
{
    Q_OBJECT
    Q_ENUMS(State)
    Q_ENUMS(Direction)
    Q_PROPERTY(State state READ state NOTIFY stateChanged)
    Q_PROPERTY(int loopCount READ loopCount WRITE setLoopCount)
    Q_PROPERTY(int currentTime READ currentTime WRITE setCurrentTime)
    Q_PROPERTY(int currentLoop READ currentLoop NOTIFY currentLoopChanged)
    Q_PROPERTY(Direction direction READ direction WRITE setDirection NOTIFY directionChanged)
    Q_PROPERTY(int duration READ duration)

public:
    enum Direction {
        Forward,
        Backward
    };

    enum State {
        Stopped,
        Paused,
        Running
    };

    enum DeletionPolicy {
        KeepWhenStopped = 0,
        DeleteWhenStopped
    };

    QAbstractAnimation(QObject *parent = 0);
    virtual ~QAbstractAnimation();

    State state() const;

    QAnimationGroup *group() const;

    Direction direction() const;
    void setDirection(Direction direction);

    int currentTime() const;
    int currentLoopTime() const;

    int loopCount() const;
    void setLoopCount(int loopCount);
    int currentLoop() const;

    virtual int duration() const = 0;
    int totalDuration() const;

Q_SIGNALS:
    void finished();
    void stateChanged(QAbstractAnimation::State newState, QAbstractAnimation::State oldState);
    void currentLoopChanged(int currentLoop);
    void directionChanged(QAbstractAnimation::Direction);

public Q_SLOTS:
    void start(QAbstractAnimation::DeletionPolicy policy = KeepWhenStopped);
    void pause();
    void resume();
    void setPaused(bool);
    void stop();
    void setCurrentTime(int msecs);

protected:
    QAbstractAnimation(QAbstractAnimationPrivate &dd, QObject *parent = 0);
    bool event(QEvent *event);

    virtual void updateCurrentTime(int currentTime) = 0;
    virtual void updateState(QAbstractAnimation::State newState, QAbstractAnimation::State oldState);
    virtual void updateDirection(QAbstractAnimation::Direction direction);

private:
    Q_DISABLE_COPY(QAbstractAnimation)
    Q_DECLARE_PRIVATE(QAbstractAnimation)
};

class QAnimationDriverPrivate;
class Q_CORE_EXPORT QAnimationDriver : public QObject
{
    Q_OBJECT
    Q_DECLARE_PRIVATE(QAnimationDriver)

public:
    QAnimationDriver(QObject *parent = 0);

    void advance();
    void install();

    bool isRunning() const;

protected:
    virtual void started() {};
    virtual void stopped() {};

    QAnimationDriver(QAnimationDriverPrivate &dd, QObject *parent = 0);

private:
    friend class QUnifiedTimer;

    void start();
    void stop();
};




#endif //QT_NO_ANIMATION

QT_END_NAMESPACE

QT_END_HEADER

#endif // QABSTRACTANIMATION_H