ProgressState.h

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#pragma once
 
#include "QGCState.h"
 
#include <functional>
 
class ProgressState : public QGCState
{
    Q_OBJECT
    Q_DISABLE_COPY(ProgressState)
 
public:
    using ProgressCallback = std::function<float()>;
    using Action = std::function<void()>;
 
    ProgressState(const QString& stateName, QState* parent, float progress, Action action = nullptr);
 
    ProgressState(const QString& stateName, QState* parent, ProgressCallback progressCallback, Action action = nullptr);
 
    float progress() const;
 
    void setProgress(float progress);
 
    void setProgressCallback(ProgressCallback callback);
 
signals:
    void progressChanged(float progress);
 
protected:
    void onEnter() override;
 
private:
    float _fixedProgress = 0.0f;
    ProgressCallback _progressCallback;
    Action _action;
    bool _useCallback = false;
};