class DrawableFactory {
    final private static float CORNER_RADIUS = 15;
    final private static int STROKE_WIDTH = 3;
    private static int argbColor;

    private static int getDarker() {
        float hsv [] = new float[3];
        Color.colorToHSV(argbColor, hsv);
        hsv[1] = 0.8f;
        return Color.HSVToColor(hsv);
    }

    private static int getLighter() {
        float hsv [] = new float[3];
        Color.colorToHSV(argbColor, hsv);
        hsv[1] = 0.2f;
        return Color.HSVToColor(hsv);

    }

    private static GradientDrawable getDrawable() {
        GradientDrawable gradientDrawable = new GradientDrawable();
        float density = Resources.getSystem().getDisplayMetrics().density;
        float pxCornerRadius = density * CORNER_RADIUS;
        int pxStrokeWidth = (int)density * STROKE_WIDTH;
        gradientDrawable.setShape(GradientDrawable.RECTANGLE);
        gradientDrawable.setCornerRadius(pxCornerRadius);
        gradientDrawable.setStroke(pxStrokeWidth, getDarker());
        return gradientDrawable;
    }

    private static Drawable getDrawablePressed() {
        GradientDrawable gradientDrawable = getDrawable();
        gradientDrawable.setColor(getLighter());
        return gradientDrawable;
    }

    private static Drawable getDrawableSelected() {
        GradientDrawable gradientDrawable = getDrawable();
        gradientDrawable.setColor(getDarker());
        return gradientDrawable;
    }

    private static Drawable getDrawableEnabled() {
        GradientDrawable gradientDrawable = getDrawable();
        gradientDrawable.setColor(Color.WHITE);
        return gradientDrawable;
    }

    public static StateListDrawable getStateListDrawable(int argbColor) {
        DrawableFactory.argbColor = argbColor;
        StateListDrawable stateListDrawable = new StateListDrawable();
        stateListDrawable.addState(new int[]{android.R.attr.state_pressed}, getDrawablePressed());
        stateListDrawable.addState(new int[]{android.R.attr.state_selected}, getDrawableSelected());
        stateListDrawable.addState(new int[]{android.R.attr.state_enabled}, getDrawableEnabled());
        return stateListDrawable;
    }
}