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40 | ****************************************************************************/ |
41 | |
42 | #ifndef QABSTRACTANIMATION_H |
43 | #define QABSTRACTANIMATION_H |
44 | |
45 | #include <QtCore/qobject.h> |
46 | |
47 | QT_BEGIN_HEADER |
48 | |
49 | QT_BEGIN_NAMESPACE |
50 | |
51 | QT_MODULE(Core) |
52 | |
53 | #ifndef QT_NO_ANIMATION |
54 | |
55 | class QAnimationGroup; |
56 | class QSequentialAnimationGroup; |
57 | class QAnimationDriver; |
58 | |
59 | class QAbstractAnimationPrivate; |
60 | class Q_CORE_EXPORT QAbstractAnimation : public QObject |
61 | { |
62 | Q_OBJECT |
63 | Q_ENUMS(State) |
64 | Q_ENUMS(Direction) |
65 | Q_PROPERTY(State state READ state NOTIFY stateChanged) |
66 | Q_PROPERTY(int loopCount READ loopCount WRITE setLoopCount) |
67 | Q_PROPERTY(int currentTime READ currentTime WRITE setCurrentTime) |
68 | Q_PROPERTY(int currentLoop READ currentLoop NOTIFY currentLoopChanged) |
69 | Q_PROPERTY(Direction direction READ direction WRITE setDirection NOTIFY directionChanged) |
70 | Q_PROPERTY(int duration READ duration) |
71 | |
72 | public: |
73 | enum Direction { |
74 | Forward, |
75 | Backward |
76 | }; |
77 | |
78 | enum State { |
79 | Stopped, |
80 | Paused, |
81 | Running |
82 | }; |
83 | |
84 | enum DeletionPolicy { |
85 | KeepWhenStopped = 0, |
86 | DeleteWhenStopped |
87 | }; |
88 | |
89 | QAbstractAnimation(QObject *parent = 0); |
90 | virtual ~QAbstractAnimation(); |
91 | |
92 | State state() const; |
93 | |
94 | QAnimationGroup *group() const; |
95 | |
96 | Direction direction() const; |
97 | void setDirection(Direction direction); |
98 | |
99 | int currentTime() const; |
100 | int currentLoopTime() const; |
101 | |
102 | int loopCount() const; |
103 | void setLoopCount(int loopCount); |
104 | int currentLoop() const; |
105 | |
106 | virtual int duration() const = 0; |
107 | int totalDuration() const; |
108 | |
109 | Q_SIGNALS: |
110 | void finished(); |
111 | void stateChanged(QAbstractAnimation::State newState, QAbstractAnimation::State oldState); |
112 | void currentLoopChanged(int currentLoop); |
113 | void directionChanged(QAbstractAnimation::Direction); |
114 | |
115 | public Q_SLOTS: |
116 | void start(QAbstractAnimation::DeletionPolicy policy = KeepWhenStopped); |
117 | void pause(); |
118 | void resume(); |
119 | void setPaused(bool); |
120 | void stop(); |
121 | void setCurrentTime(int msecs); |
122 | |
123 | protected: |
124 | QAbstractAnimation(QAbstractAnimationPrivate &dd, QObject *parent = 0); |
125 | bool event(QEvent *event); |
126 | |
127 | virtual void updateCurrentTime(int currentTime) = 0; |
128 | virtual void updateState(QAbstractAnimation::State newState, QAbstractAnimation::State oldState); |
129 | virtual void updateDirection(QAbstractAnimation::Direction direction); |
130 | |
131 | private: |
132 | Q_DISABLE_COPY(QAbstractAnimation) |
133 | Q_DECLARE_PRIVATE(QAbstractAnimation) |
134 | }; |
135 | |
136 | class QAnimationDriverPrivate; |
137 | class Q_CORE_EXPORT QAnimationDriver : public QObject |
138 | { |
139 | Q_OBJECT |
140 | Q_DECLARE_PRIVATE(QAnimationDriver) |
141 | |
142 | public: |
143 | QAnimationDriver(QObject *parent = 0); |
144 | |
145 | void advance(); |
146 | void install(); |
147 | |
148 | bool isRunning() const; |
149 | |
150 | protected: |
151 | virtual void started() {}; |
152 | virtual void stopped() {}; |
153 | |
154 | QAnimationDriver(QAnimationDriverPrivate &dd, QObject *parent = 0); |
155 | |
156 | private: |
157 | friend class QUnifiedTimer; |
158 | |
159 | void start(); |
160 | void stop(); |
161 | }; |
162 | |
163 | |
164 | |
165 | |
166 | #endif //QT_NO_ANIMATION |
167 | |
168 | QT_END_NAMESPACE |
169 | |
170 | QT_END_HEADER |
171 | |
172 | #endif // QABSTRACTANIMATION_H |
173 | |