/*
 * @Author: 一日看尽长安花
 * @since: 2019-12-01 11:03:53
 * @LastEditTime: 2020-05-07 14:46:53
 * @LastEditors: 一日看尽长安花
 * @Description:
 */
/**
 * 点击波纹效果
 *
 * @param  {[event]} e        [description]
 * @param  {[Object]} arg_opts [description]
 * @return {[bollean]}          [description]
 */
export default function(e, arg_opts) {
  var opts = Object.assign(
    {
      ele: e.target, // 波纹作用元素
      type: 'hit', // hit点击位置扩散center中心点扩展
      bgc: 'rgba(0, 0, 0, 0.15)' // 波纹颜色
    },
    arg_opts
  );
  var target = opts.ele;
  if (target) {
    var rect = target.getBoundingClientRect();
    var ripple = target.querySelector('.e-ripple');
    if (!ripple) {
      ripple = document.createElement('span');
      ripple.className = 'e-ripple';
      ripple.style.height = ripple.style.width =
        Math.max(rect.width, rect.height) + 'px';
      target.appendChild(ripple);
    } else {
      ripple.className = 'e-ripple';
    }
    switch (opts.type) {
    case 'center':
      ripple.style.top = rect.height / 2 - ripple.offsetHeight / 2 + 'px';
      ripple.style.left = rect.width / 2 - ripple.offsetWidth / 2 + 'px';
      break;
    default:
      ripple.style.top =
          e.pageY -
          rect.top -
          ripple.offsetHeight / 2 -
          document.body.scrollTop +
          'px';
      ripple.style.left =
          e.pageX -
          rect.left -
          ripple.offsetWidth / 2 -
          document.body.scrollLeft +
          'px';
    }
    ripple.style.backgroundColor = opts.bgc;
    ripple.className = 'e-ripple z-active';
    return false;
  }
}
