//扩展mui.showLoading
(function($, window) {
    //显示加载框
    $.showLoading = function(message,type) {
        if ($.os.plus && type !== 'div') {
            $.plusReady(function() {
                plus.nativeUI.showWaiting(message);
            });
        } else {
            var html = '';
            html += '<i class="mui-spinner mui-spinner-white"></i>';
            html += '<p class="text">' + (message || "数据加载中") + '</p>';

            //遮罩层
            var mask=document.getElementsByClassName("mui-show-loading-mask");
            if(mask.length==0){
                mask = document.createElement('div');
                mask.classList.add("mui-show-loading-mask");
                document.body.appendChild(mask);
                mask.addEventListener("touchmove", function(e){e.stopPropagation();e.preventDefault();});
            }else{
                mask[0].classList.remove("mui-show-loading-mask-hidden");
            }
            //加载框
            var toast=document.getElementsByClassName("mui-show-loading");
            if(toast.length==0){
                toast = document.createElement('div');
                toast.classList.add("mui-show-loading");
                toast.classList.add('loading-visible');
                document.body.appendChild(toast);
                toast.innerHTML = html;
                toast.addEventListener("touchmove", function(e){e.stopPropagation();e.preventDefault();});
            }else{
                toast[0].innerHTML = html;
                toast[0].classList.add("loading-visible");
            }
        }   
    };

    //隐藏加载框
      $.hideLoading = function(callback) {
        if ($.os.plus) {
            $.plusReady(function() {
                plus.nativeUI.closeWaiting();
            });
        } 
        var mask=document.getElementsByClassName("mui-show-loading-mask");
        var toast=document.getElementsByClassName("mui-show-loading");
        if(mask.length>0){
            mask[0].classList.add("mui-show-loading-mask-hidden");
        }
        if(toast.length>0){
            toast[0].classList.remove("loading-visible");
            callback && callback();
        }
      }
})(mui, window);