bjquanjiang
/
DigitalScholl

﻿(function ($) {
        var Qrcode = function (tempBtn) {
                var _this_ = this;
                var isWeiboWebView = /__weibo__/.test(navigator.userAgent);
                if (isWeiboWebView) {
                        if (window.WeiboJSBridge) {
                                _this_.bridgeReady(tempBtn);
                        } else {
                                document.addEventListener('WeiboJSBridgeReady', function () {
                                        _this_.bridgeReady(tempBtn);
                                });
                        }
                } else {
                        _this_.nativeReady(tempBtn);
                }
        };
        Qrcode.prototype = {
                nativeReady: function (tempBtn) {
                        $('[node-type=jsbridge]', tempBtn).on('click', function (e) {
                                e.stopPropagation();
                        });
                        $(tempBtn).bind('click', function (e) {
                                $(this).find('input[node-type=jsbridge]').trigger('click');
                        });
                        $(tempBtn).bind('change', this.getImgFile);
                },
                bridgeReady: function (tempBtn) {
                        $(tempBtn).bind('click', this.weiBoBridge);
                },
                weiBoBridge: function () {
                        window.WeiboJSBridge.invoke('scanQRCode', null, function (params) {
                                //得到扫码的结果
                                $('.result-qrcode').append(params.result + '<br/>');
                        });
                },
                getImgFile: function () {
                        var _this_ = this;
                        var inputDom = $(this).find('input[node-type=jsbridge]');
                        var imgFile = inputDom[0].files;
                        var oFile = imgFile[0];
                        var oFReader = new FileReader();
                        var rFilter = /^(?:image\/bmp|image\/cis\-cod|image\/gif|image\/ief|image\/jpeg|image\/jpeg|image\/jpeg|image\/pipeg|image\/png|image\/svg\+xml|image\/tiff|image\/x\-cmu\-raster|image\/x\-cmx|image\/x\-icon|image\/x\-portable\-anymap|image\/x\-portable\-bitmap|image\/x\-portable\-graymap|image\/x\-portable\-pixmap|image\/x\-rgb|image\/x\-xbitmap|image\/x\-xpixmap|image\/x\-xwindowdump)$/i;
                        if (imgFile.length === 0) {
                                return;
                        }
                        if (!rFilter.test(oFile.type)) {
                                alert("选择正确的图片格式!");
                                return;
                        }
                        oFReader.onload = function (oFREvent) {
                                qrcode.decode(oFREvent.target.result);
                                qrcode.callback = function (data) {
                                        //得到扫码的结果
                                        $('.result-qrcode').append(data + '<br/>');
                                };
                        };
                        oFReader.readAsDataURL(oFile);
                },
                destory: function () {
                        $(tempBtn).off('click');
                }
        };
        Qrcode.init = function (tempBtn) {
                var _this_ = this;
                tempBtn.each(function () {
                        new _this_($(this));
                });
        };
        window.Qrcode = Qrcode;
})(window.Zepto ? Zepto : jQuery);