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    41 

    42 #ifndef QSEQUENTIALANIMATIONGROUP_P_H

    43 #define QSEQUENTIALANIMATIONGROUP_P_H

    44 

    45 //

    46 //  W A R N I N G

    47 //  -------------

    48 //

    49 // This file is not part of the Qt API.  It exists for the convenience

    50 // of QIODevice. This header file may change from version to

    51 // version without notice, or even be removed.

    52 //

    53 // We mean it.

    54 //

    55 

    56 #include "qsequentialanimationgroup.h"

    57 #include "private/qanimationgroup_p.h"

    58 

    59 #ifndef QT_NO_ANIMATION

    60 

    61 QT_BEGIN_NAMESPACE

    62 

    63 class QSequentialAnimationGroupPrivate : public QAnimationGroupPrivate

    64 {

    65     Q_DECLARE_PUBLIC(QSequentialAnimationGroup)

    66 public:

    67     QSequentialAnimationGroupPrivate()

    68         : currentAnimation(0), currentAnimationIndex(-1), lastLoop(0)

    69     { }

    70 

    71 

    72     struct AnimationIndex

    73     {

    74         AnimationIndex() : index(0), timeOffset(0) {}

    75         // index points to the animation at timeOffset, skipping 0 duration animations.

    76         // Note that the index semantic is slightly different depending on the direction.

    77         int index; // the index of the animation in timeOffset

    78         int timeOffset; // time offset when the animation at index starts.

    79     };

    80 

    81     int animationActualTotalDuration(int index) const;

    82     AnimationIndex indexForCurrentTime() const;

    83 

    84     void setCurrentAnimation(int index, bool intermediate = false);

    85     void activateCurrentAnimation(bool intermediate = false);

    86 

    87     void animationInsertedAt(int index);

    88     void animationRemovedAt(int index);

    89 

    90     bool atEnd() const;

    91 

    92     QAbstractAnimation *currentAnimation;

    93     int currentAnimationIndex;

    94 

    95     // this is the actual duration of uncontrolled animations

    96     // it helps seeking and even going forward

    97     QList<int> actualDuration;

    98 

    99     void restart();

   100     int lastLoop;

   101 

   102     // handle time changes

   103     void rewindForwards(const AnimationIndex &newAnimationIndex);

   104     void advanceForwards(const AnimationIndex &newAnimationIndex);

   105 

   106     // private slot

   107     void _q_uncontrolledAnimationFinished();

   108 };

   109 

   110 QT_END_NAMESPACE

   111 

   112 #endif //QT_NO_ANIMATION

   113 

   114 #endif //QSEQUENTIALANIMATIONGROUP_P_H