// ==UserScript==
// @name         微信网页版消息签名助手
// @namespace    http://xieyonglin.com/
// @version      0.1
// @description  微信消息添加签名档
// @author       Xie Yonglin
// @match        https://wx.qq.com/
// @grant        none
// ==/UserScript==

// 发送带签名的消息
function SendMsg(content) {
    angular.element('pre:last').scope().editAreaCtn = 
        String(content + '\n      ----通过 X-Phone Plus 发布');
    angular.element('pre:last').scope().sendTextMessage();
}

// 获取输入框内容并发送
function SendMsgWithInput() {
    var temp = document.getElementById('editArea').innerHTML;
    angular.element('pre:last').scope().editAreaCtn = 
        String(temp + '\n      ----通过 X-Phone 发布');
    angular.element('pre:last').scope().sendTextMessage();
}

// 创建自定义按钮
function CreateButton(buttonText) {
    var votebutton = document.createElement("input");    
    votebutton.type = "button";                                       
    votebutton.value = buttonText;
    votebutton.name = "custom-button";                                         
    votebutton.className = "btn btn-default";
    votebutton.onclick = function () {
        SendMsg(this.value);
    };
    tool_bar.appendChild(votebutton);                             
}

// 主函数
(function () {
    'use strict';

    // 修改默认发送按钮行为
    var sendButton = '<a class="btn btn_send" href="javascript:;" ">发送</a>';
    document.getElementsByClassName("btn_send")[0].outerHTML = sendButton;
    document.getElementsByClassName("btn_send")[0].onclick = function () {
        SendMsgWithInput();
    };

    // 添加Shift+Enter快捷键支持
    document.getElementsByClassName("content ng-isolate-scope")[0].onkeydown = 
        function (event) {
            var e = event || window.event || 
                arguments.callee.caller.arguments[0];
            if (e && e.shiftKey == 1) {
                SendMsgWithInput();
            }
    };

    // 创建测试按钮
    CreateButton('test');

    // 创建带签名发送按钮
    var toolbar = document.getElementsByClassName("toolbar")[0];
    var signButton = document.createElement("input");    
    signButton.type = "button";                                       
    signButton.value = "带签名发送";
    signButton.name = "sign-button";                                        
    signButton.className = "btn btn-default";
    signButton.onclick = function () {
        SendMsgWithInput();
    };
    toolbar.appendChild(signButton);                             
})();