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39
40#ifndef QABSTRACTANIMATIONJOB_P_H
41#define QABSTRACTANIMATIONJOB_P_H
42
43//
44// W A R N I N G
45// -------------
46//
47// This file is not part of the Qt API. It exists purely as an
48// implementation detail. This header file may change from version to
49// version without notice, or even be removed.
50//
51// We mean it.
52//
53
54#include <private/qtqmlglobal_p.h>
55#include <private/qanimationjobutil_p.h>
56#include <QtCore/QObject>
57#include <QtCore/private/qabstractanimation_p.h>
58#include <vector>
59
60QT_REQUIRE_CONFIG(qml_animation);
61
62QT_BEGIN_NAMESPACE
63
64class QAnimationGroupJob;
65class QAnimationJobChangeListener;
66class QQmlAnimationTimer;
67
68class Q_QML_PRIVATE_EXPORT QAbstractAnimationJob
69{
70 Q_DISABLE_COPY(QAbstractAnimationJob)
71public:
72 enum Direction {
73 Forward,
74 Backward
75 };
76
77 enum State {
78 Stopped,
79 Paused,
80 Running
81 };
82
83 QAbstractAnimationJob();
84 virtual ~QAbstractAnimationJob();
85
86 //definition
87 inline QAnimationGroupJob *group() const {return m_group;}
88
89 inline int loopCount() const {return m_loopCount;}
90 void setLoopCount(int loopCount);
91
92 int totalDuration() const;
93 virtual int duration() const {return 0;}
94
95 inline QAbstractAnimationJob::Direction direction() const {return m_direction;}
96 void setDirection(QAbstractAnimationJob::Direction direction);
97
98 //state
99 inline int currentTime() const {return m_totalCurrentTime;}
100 inline int currentLoopTime() const {return m_currentTime;}
101 inline int currentLoop() const {return m_currentLoop;}
102 inline QAbstractAnimationJob::State state() const {return m_state;}
103 inline bool isRunning() { return m_state == Running; }
104 inline bool isStopped() { return m_state == Stopped; }
105 inline bool isPaused() { return m_state == Paused; }
106 void setDisableUserControl();
107 void setEnableUserControl();
108 bool userControlDisabled() const;
109
110 void setCurrentTime(int msecs);
111
112 void start();
113 void pause();
114 void resume();
115 void stop();
116
117 enum ChangeType {
118 Completion = 0x01,
119 StateChange = 0x02,
120 CurrentLoop = 0x04,
121 CurrentTime = 0x08
122 };
123 Q_DECLARE_FLAGS(ChangeTypes, ChangeType)
124
125 void addAnimationChangeListener(QAnimationJobChangeListener *listener, QAbstractAnimationJob::ChangeTypes);
126 void removeAnimationChangeListener(QAnimationJobChangeListener *listener, QAbstractAnimationJob::ChangeTypes);
127 QAbstractAnimationJob *nextSibling() const { return m_nextSibling; }
128 QAbstractAnimationJob *previousSibling() const { return m_previousSibling; }
129
130 bool isGroup() const { return m_isGroup; }
131 bool isRenderThreadJob() const { return m_isRenderThreadJob; }
132 bool isRenderThreadProxy() const { return m_isRenderThreadProxy; }
133
134 SelfDeletable m_selfDeletable;
135protected:
136 virtual void updateCurrentTime(int) {}
137 virtual void updateLoopCount(int) {}
138 virtual void updateState(QAbstractAnimationJob::State newState, QAbstractAnimationJob::State oldState);
139 virtual void updateDirection(QAbstractAnimationJob::Direction direction);
140 virtual void topLevelAnimationLoopChanged() {}
141
142 virtual void debugAnimation(QDebug d) const;
143
144 void fireTopLevelAnimationLoopChanged();
145
146 void setState(QAbstractAnimationJob::State state);
147
148 void finished();
149 void stateChanged(QAbstractAnimationJob::State newState, QAbstractAnimationJob::State oldState);
150 void currentLoopChanged();
151 void directionChanged(QAbstractAnimationJob::Direction);
152 void currentTimeChanged(int currentTime);
153
154 //definition
155 int m_loopCount;
156 QAnimationGroupJob *m_group;
157 QAbstractAnimationJob::Direction m_direction;
158
159 //state
160 QAbstractAnimationJob::State m_state;
161 int m_totalCurrentTime;
162 int m_currentTime;
163 int m_currentLoop;
164 //records the finish time for an uncontrolled animation (used by animation groups)
165 int m_uncontrolledFinishTime;
166 int m_currentLoopStartTime; // used together with m_uncontrolledFinishTime
167
168 struct ChangeListener {
169 ChangeListener(QAnimationJobChangeListener *l, QAbstractAnimationJob::ChangeTypes t) : listener(l), types(t) {}
170 QAnimationJobChangeListener *listener;
171 QAbstractAnimationJob::ChangeTypes types;
172 bool operator==(const ChangeListener &other) const { return listener == other.listener && types == other.types; }
173 };
174 std::vector<ChangeListener> changeListeners;
175
176 QAbstractAnimationJob *m_nextSibling;
177 QAbstractAnimationJob *m_previousSibling;
178 QQmlAnimationTimer *m_timer = nullptr;
179
180 bool m_hasRegisteredTimer:1;
181 bool m_isPause:1;
182 bool m_isGroup:1;
183 bool m_disableUserControl:1;
184 bool m_hasCurrentTimeChangeListeners:1;
185 bool m_isRenderThreadJob:1;
186 bool m_isRenderThreadProxy:1;
187
188 friend class QQmlAnimationTimer;
189 friend class QAnimationGroupJob;
190 friend Q_QML_PRIVATE_EXPORT QDebug operator<<(QDebug, const QAbstractAnimationJob *job);
191};
192
193class Q_QML_PRIVATE_EXPORT QAnimationJobChangeListener
194{
195public:
196 virtual ~QAnimationJobChangeListener();
197 virtual void animationFinished(QAbstractAnimationJob *) {}
198 virtual void animationStateChanged(QAbstractAnimationJob *, QAbstractAnimationJob::State, QAbstractAnimationJob::State) {}
199 virtual void animationCurrentLoopChanged(QAbstractAnimationJob *) {}
200 virtual void animationCurrentTimeChanged(QAbstractAnimationJob *, int) {}
201};
202
203class Q_QML_PRIVATE_EXPORT QQmlAnimationTimer : public QAbstractAnimationTimer
204{
205 Q_OBJECT
206private:
207 QQmlAnimationTimer();
208
209public:
210 ~QQmlAnimationTimer(); // must be destructible by QThreadStorage
211
212 static QQmlAnimationTimer *instance();
213 static QQmlAnimationTimer *instance(bool create);
214
215 void registerAnimation(QAbstractAnimationJob *animation, bool isTopLevel);
216 void unregisterAnimation(QAbstractAnimationJob *animation);
217
218 /*
219 this is used for updating the currentTime of all animations in case the pause
220 timer is active or, otherwise, only of the animation passed as parameter.
221 */
222 void ensureTimerUpdate();
223
224 /*
225 this will evaluate the need of restarting the pause timer in case there is still
226 some pause animations running.
227 */
228 void updateAnimationTimer();
229
230 void restartAnimationTimer() override;
231 void updateAnimationsTime(qint64 timeStep) override;
232
233 //useful for profiling/debugging
234 int runningAnimationCount() override { return animations.count(); }
235
236 bool hasStartAnimationPending() const { return startAnimationPending; }
237
238public Q_SLOTS:
239 void startAnimations();
240 void stopTimer();
241
242private:
243 qint64 lastTick;
244 int currentAnimationIdx;
245 bool insideTick;
246 bool startAnimationPending;
247 bool stopTimerPending;
248
249 QList<QAbstractAnimationJob*> animations, animationsToStart;
250
251 // this is the count of running animations that are not a group neither a pause animation
252 int runningLeafAnimations;
253 QList<QAbstractAnimationJob*> runningPauseAnimations;
254
255 void registerRunningAnimation(QAbstractAnimationJob *animation);
256 void unregisterRunningAnimation(QAbstractAnimationJob *animation);
257 void unsetJobTimer(QAbstractAnimationJob *animation);
258
259 int closestPauseAnimationTimeToFinish();
260};
261
262Q_DECLARE_OPERATORS_FOR_FLAGS(QAbstractAnimationJob::ChangeTypes)
263
264Q_QML_PRIVATE_EXPORT QDebug operator<<(QDebug, const QAbstractAnimationJob *job);
265
266QT_END_NAMESPACE
267
268#endif // QABSTRACTANIMATIONJOB_P_H
269

source code of qtdeclarative/src/qml/animations/qabstractanimationjob_p.h