/**

             * 面板全屏展示

             */

            fullscreen: function () {

                if (this.isFullScreen) {

                    // 退出全屏

                    this.isFullScreen = false;

                    screen.exitFullscreen()

                } else {

                    // 全屏展示

                    this.isFullScreen = true;

                    let dom = this.$refs.tablePanel.$el;

                    screen.requestFullscreen(dom);

                }

            },

/* eslint-disable */

/**

 * 全屏显示封装

 *

 * @author Mr.css

 * @constructor

 */

function Screen() {

  //是否允许全屏

  let canFull = !!(document.exitFullscreen || document.mozCancelFullScreen || document.webkitExitFullscreen);

  return {

    /**

     * 是否允许全屏展示

     *

     * @returns {boolean}

     */

    canFullScreen: function () {

      return canFull;

    },

    /**

     * 退出全屏展示

     * @returns {Promise<void>}

     */

    exitFullscreen: async function () {

      if (document.exitFullscreen) {

        await document.exitFullscreen();

      } else if (document.mozCancelFullScreen) {

        document.mozCancelFullScreen();

      } else if (document.webkitExitFullscreen) {

        document.webkitExitFullscreen();

      } else {

        console.info("Current browser not support dom full screen!");

      }

    },

    /**

     *

     * 全屏展示

     * @param dom 需要全屏展示的dom对象

     * @param dom

     * @returns {Promise<void>}

     */

    requestFullscreen: async function (dom) {

      if (dom.requestFullscreen) {

        await dom.requestFullscreen();

      } else if (dom.mozRequestFullScreen) {

        dom.mozRequestFullScreen();

      } else if (dom.webkitRequestFullScreen) {

        dom.webkitRequestFullScreen();

      } else if (dom.msRequestFullscreen) {

        dom.msRequestFullscreen();

      } else {

        console.info("Current browser not support dom full screen!");

      }

    }

  }

}

let screen = new Screen();

export default screen;