Animator.h

/*
 * WS2812Animation.h
 *
 *  Created on: May 22, 2017
 *      Author: andri
 */

#ifndef COMPONENTS_MAGICBUTTON_SRC_WS2812ANIMATOR_H_
#define COMPONENTS_MAGICBUTTON_SRC_WS2812ANIMATOR_H_

#include <Arduino.h>
#include <functional>
#include "Task.h"

class Animator: Task {
public:

    enum AnimationState
    {
        AnimationState_Started,
        AnimationState_Progress,
        AnimationState_Completed
    };

    struct AnimationParam
    {
        float progress;
        uint16_t duration;
        uint16_t elapsed = 0;
        AnimationState state;
    };

    typedef std::function<void(const AnimationParam &param)> AnimationUpdateCallback;
    typedef std::function<void()> AnimationFinishedCallback;


    Animator();
    virtual ~Animator();

    void start(AnimationUpdateCallback animUpdateCallback, AnimationFinishedCallback animFinishedCallback,
               uint16_t duration = 0, uint16_t updateInterval = 0, bool repeat = false);
    void stop();
    void run();
    void runAsync(void *data);
    boolean isRunning() {
        return running_;
    }

    int getStep(long elapsed, long t, int v);
    float getStepFloat(long elapsed, long t, float v);
private:
    AnimationUpdateCallback animationUpdateCallback_ = NULL;
    AnimationFinishedCallback animationFinishedCallback_ = NULL;
    boolean running_ = false;
    uint16_t updateInterval_ = 100, elapsed_ = 0, duration_ = 0;
    uint32_t lastUpdated_ = 0;
    bool repeat_ = false;
    void doRepeat();
};

#endif /* COMPONENTS_MAGICBUTTON_SRC_WS2812ANIMATOR_H_ */