cordova-shuto-api/www/ShutoApi.js

var exec = require('cordova/exec');
var channel = require('cordova/channel');

// 初始化插件对象
var ShutoApi = {
    close: function (success, error) {
        exec(success, error, 'ShutoApi', 'close', []);
    },
    getUserInfo: function (success, error) {
        exec(success, error, 'ShutoApi', 'getUserInfo', []);
    },
    
    // 执行带回调的事件
    executeEvent: function (eventName, params, success, error) {
        exec(success, error, 'ShutoApi', 'executeEvent', [eventName, params]);
    }
};

// 创建事件发射器
var eventEmitter = {
    listeners: {},
    on: function (eventName, callback) {
        if (!this.listeners[eventName]) {
            this.listeners[eventName] = [];
        }
        this.listeners[eventName].push(callback);
    },
    off: function (eventName, callback) {
        if (!this.listeners[eventName]) return;
        this.listeners[eventName] = this.listeners[eventName].filter(cb => cb !== callback);
    },
    emit: function (eventName, data) {
        if (!this.listeners[eventName]) return;
        this.listeners[eventName].forEach(callback => {
            try {
                callback(data);
            } catch (error) {
                console.error('Error in event listener for ' + eventName + ': ' + error);
            }
        });
    }
};

// 添加事件监听方法
ShutoApi.addEventListener = function (eventName, callback) {
    eventEmitter.on(eventName, callback);
};

// 添加事件取消监听方法
ShutoApi.removeEventListener = function (eventName, callback) {
    eventEmitter.off(eventName, callback);
};

// 内部事件处理函数，用于接收原生代码的事件通知
function onEvent(eventData) {
    if (eventData && eventData.type) {
        // 无回调的事件
        eventEmitter.emit(eventData.type, eventData.params);
    } else if (eventData && eventData.eventName && eventData.callbackId) {
        // 带回调的事件
        var eventName = eventData.eventName;
        var params = eventData.params || {};
        var callbackId = eventData.callbackId;
        
        var listeners = eventEmitter.listeners[eventName] || [];
        
        if (listeners.length > 0) {
            var callback = function(result, error) {
                exec(null, null, 'ShutoApi', 'eventCallback', [callbackId, result, error]);
            };
            
            listeners.forEach(function(listener) {
                try {
                    listener(params, callback);
                } catch (error) {
                    console.error('Error in event listener for ' + eventName + ': ' + error);
                    callback(null, error.message);
                }
            });
        } else {
            exec(null, null, 'ShutoApi', 'eventCallback', [callbackId, null, 'No listener for event: ' + eventName]);
        }
    }
}

// 初始化时注册事件通道
exec(onEvent, null, 'ShutoApi', 'registerEvent', []);

module.exports = ShutoApi;