package com.wang.avi.indicators;

import android.graphics.Canvas;
import android.graphics.Paint;
import android.graphics.RectF;

import android.animation.ValueAnimator;
import com.wang.avi.Indicator;

import java.util.ArrayList;

/**
 * Created by Jack on 2015/10/16.
 */
public class BallClipRotateIndicator extends Indicator {

    float scaleFloat=1,degrees;

    @Override
    public void draw(Canvas canvas, Paint paint) {
        paint.setStyle(Paint.Style.STROKE);
        paint.setStrokeWidth(3);

        float circleSpacing=12;
        float x = (getWidth()) / 2;
        float y=(getHeight()) / 2;
        canvas.translate(x, y);
        canvas.scale(scaleFloat, scaleFloat);
        canvas.rotate(degrees);
        RectF rectF=new RectF(-x+circleSpacing,-y+circleSpacing,0+x-circleSpacing,0+y-circleSpacing);
        canvas.drawArc(rectF, -45, 270, false, paint);
    }

    @Override
    public ArrayList<ValueAnimator> onCreateAnimators() {
        ArrayList<ValueAnimator> animators=new ArrayList<>();
        ValueAnimator scaleAnim=ValueAnimator.ofFloat(1,0.6f,0.5f,1);
        scaleAnim.setDuration(750);
        scaleAnim.setRepeatCount(-1);
        addUpdateListener(scaleAnim,new ValueAnimator.AnimatorUpdateListener() {
            @Override
            public void onAnimationUpdate(ValueAnimator animation) {
                scaleFloat = (float) animation.getAnimatedValue();
                postInvalidate();
            }
        });
        ValueAnimator rotateAnim=ValueAnimator.ofFloat(0,180,360);
        rotateAnim.setDuration(750);
        rotateAnim.setRepeatCount(-1);
        addUpdateListener(rotateAnim,new ValueAnimator.AnimatorUpdateListener() {
            @Override
            public void onAnimationUpdate(ValueAnimator animation) {
                degrees = (float) animation.getAnimatedValue();
                postInvalidate();
            }
        });
        animators.add(scaleAnim);
        animators.add(rotateAnim);
        return animators;
    }

}