cxPlaybackTime.h

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/*=========================================================================
This file is part of CustusX, an Image Guided Therapy Application.
                 
Copyright (c) SINTEF Department of Medical Technology.
All rights reserved.
                 
CustusX is released under a BSD 3-Clause license.
                 
See Lisence.txt (https://github.com/SINTEFMedtek/CustusX/blob/master/License.txt) for details.
=========================================================================*/

#ifndef CXPLAYBACKTIME_H_
#define CXPLAYBACKTIME_H_

#include "cxResourceExport.h"

#include <QObject>
#include <QDateTime>
#include <QColor>
#include <QTimer>
#include <boost/shared_ptr.hpp>

namespace cx
{

class cxResource_EXPORT PlaybackTime : public QObject
{
        Q_OBJECT
public:
        PlaybackTime();
        virtual ~PlaybackTime();

        void initialize(QDateTime start, qint64 length);

        void forward(qint64 msecs); 
        void rewind(qint64 msecs); 
        bool isPlaying() const;

        void setTime(QDateTime time);
        QDateTime getTime() const;
        void setOffset(qint64 val); 
        void moveOffset(qint64 delta); 
        qint64 getOffset() const;
        qint64 getLength() const; 
        QDateTime getStartTime() const;
        void setSpeed(double val); 
        double getSpeed() const;
        void setResolution(qint64 val); 
        double getResolution();

public slots:
        void start(); 
        void stop(); 
        void pause(); 

signals:
        void changed();
private slots:
        void timeoutSlot();

private:
        QDateTime mStartTime;
//      QDateTime mTime;
        qint64 mOffset; 
        qint64 mLength;
        QTimer* mTimer;
        double mSpeed;

        QDateTime mPlayStart; 
        qint64 mLastPlayOffset; 

};

typedef boost::shared_ptr<PlaybackTime> PlaybackTimePtr;

class cxResource_EXPORT TimelineEvent
{
public:
        TimelineEvent() : mStartTime(0), mEndTime(0), mColor("black") {}
        TimelineEvent(QString description, double start, double end) : mDescription(description), mStartTime(start), mEndTime(end) {}
        TimelineEvent(QString description, double time) : mDescription(description), mStartTime(time), mEndTime(time) {}
        QString mUid;
        QString mDescription;
        double mStartTime;
        double mEndTime;
        QColor mColor;
        QString mGroup;
        bool isInside(double time, double tol_ms=0) const;
        bool isSingular() const;
        bool isOverlap(const TimelineEvent& rhs) const;
        bool operator<(const TimelineEvent& rhs) const;
};


} /* namespace cx */
#endif /* CXPLAYBACKTIME_H_ */