WME Chat Resizer and Auto Scroll

WME Chat Resize

Adds resize buttons to the chat window
当前为 2014-11-02 提交的版本，查看最新版本。
换行
// ==UserScript==
// @name 			WME Chat Resize
// @description 	Adds resize buttons to the chat window
// @namespace		[email protected]
// @grant			none
// @grant			GM_info
// @version			0.0.2
// @match			https://editor-beta.waze.com/*editor/*
// @match			https://www.waze.com/*editor/*
// @author			Rick Zabel '2014
// @license			MIT/BSD/X11
// ==/UserScript==


/* Changelog
 * 0.0.2 - made the buttons not Interfere with each other
 * 0.0.1 - initial version
 */

//setup some global vars to be used in the functions 
//currently i plan on lettings the chat default to normal on page load
window.WMEChatResizeHeight = "short"; //short or tall
window.WMEChatResizeUsers  = "shown";  //shown  or hidden


function WMEChatResize_bootstrap()
{
    var bGreasemonkeyServiceDefined = false;
    
    try {
        var ver = window.navigator.appVersion.match(/Chrome\/(.*?) /)[1];
    } catch(err) {
        var ver = null;
    }
    if (null !== ver) {
        var itschrome = true;
        ///ver = "27.0.1438.7"; // last old working version
        // example: 32.0.1700.107
        // [0] - major versin
        // [2] - minor version
        ver = ver.split(".");
        ver[0] = parseInt(ver[0]);
        ver[2] = parseInt(ver[2]);
        if (ver[0] > 27) {
            var newmethod = true;
        } else if (ver[0] == 27) {
            if (ver[2] <= 1438) {
                var newmethod = false;
            } else {
                var newmethod = true;
            }
        } else {
            var newmethod = false;	
        }
    } else {
        var itschrome = false;
        var newmethod = false;
    }
    
    try
    {
        if ("object" === typeof Components.interfaces.gmIGreasemonkeyService)  // Firefox tells that "Components" is deprecated
        {
            bGreasemonkeyServiceDefined = true;
        }
    }	catch (err) { };
    
    try
    {
        if  ("object" === typeof GM_info) 
        {
            bGreasemonkeyServiceDefined = true;
        }
    }	catch (err) { };   
    
    
    if ( "undefined" === typeof unsafeWindow  ||  ! bGreasemonkeyServiceDefined)
    {
        try {
            unsafeWindow    = ( function ()
                               {
                                   var dummyElem   = document.createElement('p');
                                   dummyElem.setAttribute ('onclick', 'return window;');
                                   return dummyElem.onclick ();
                               } ) ();
        } 
        catch (err)
        {
            //Ignore.
        }
    }
    
    /* FIX IT !!!! */
    var itschrome = true;
    var newmethod = true;
    var bGreasemonkeyServiceDefined = false;
    
    //And check again for new chrome, and no tamper(grease)monkey
    if ( itschrome && newmethod &&  !bGreasemonkeyServiceDefined)
    {
        //use "dirty" but effective method with injection to document
        var DLscript = document.createElement("script");
        DLscript.textContent ='unsafeWindow=window; \n'+ // need this for compatibility
            WMEChatResize_init.toString()+' \n'+
            'WMEChatResize_init();';
        DLscript.setAttribute("type", "application/javascript");
        document.body.appendChild(DLscript);    
        document.body.removeChild(DLscript); 
    } else {
        /* begin running the code! */
        WMEChatResize_init();
        ///setTimeout(WMEChatResize_init,200);
    }  
}



function WMEChatResize_init() {
    
    WMEChatResize =  { 
        last: new Array(),
        isLast: false,
        isLSsupported: false,
        zoom: false
    };
    
    WMEChatResize.init = function() {
        
        //hide/show user list
        
        var b = $('<button id="WMEChatResize-HideUsers" class="WMEChatResize" style="position:absolute;Right:50px;color:#CC0000" title="Hide Users" type="button">></button>');
        b.click (WMEChatResize.Hide);
        var c = $('<button id="WMEChatResize-ShowUsers" class="WMEChatResize" style="position:absolute;Right:50px;color:#CC0000" title="Show Users" type="button"><</button>');
        c.click (WMEChatResize.Show);
        
        $("#chat .header").append(b);
        $("#chat .header").append(c);
        //document.getElementById('WMEChatResize-HideUsers').style.visibility="hidden";
        //document.getElementById('WMEChatResize-HideUsers').style.visibility="visible";
        
        document.getElementById('WMEChatResize-ShowUsers').style.visibility="hidden";
        //document.getElementById('WMEChatResize-ShowUsers').style.visibility="visible";   
        
        
        //tall / short chat
        var d = $('<button id="WMEChatResize-ShortChat" class="WMEChatResize" style="position:absolute;Right:80px;color:#CC0000" title="Short Chat" type="button">v</button>');
        d.click (WMEChatResize.ShortChat);
        var f = $('<button id="WMEChatResize-TallChat" class="WMEChatResize" style="position:absolute;Right:80px;color:#CC0000" title="Tall Chat" type="button">^</button>');
        f.click (WMEChatResize.TallChat);
        
        $("#chat .header").append(d);
        $("#chat .header").append(f);    
        
        document.getElementById('WMEChatResize-ShortChat').style.visibility="hidden";
        //document.getElementById('WMEChatResize-ShortChat').style.visibility="visible";
        
        //document.getElementById('WMEChatResize-TallChat').style.visibility="hidden";
        //document.getElementById('WMEChatResize-TallChat').style.visibility="visible";
        
    }
    
    WMEChatResize.Hide = function() {
        var divsToHide = document.getElementsByClassName("users");
        for(var i = 0; i < divsToHide.length; i++) {        
            divsToHide[i].style.visibility="hidden";
        }
        document.getElementById('chat').style.width="350px";  
        
        
        //alert(WMEChatResizeHeight);
        
        if(WMEChatResizeHeight == "short") { //short or tall
            document.getElementById('chat').style.height="353px";
        } else {
            //if(WMEChatResizeUsers  == "shown") {;  //shown  or hidden
            document.getElementById('chat').style.height="600px";
        }
        
        document.getElementById('WMEChatResize-HideUsers').style.visibility="hidden";
        //document.getElementById('WMEChatResize-HideUsers').style.visibility="visible";
        
        //document.getElementById('WMEChatResize-ShowUsers').style.visibility="hidden";
        document.getElementById('WMEChatResize-ShowUsers').style.visibility="visible";
        
        
        
        
        /* 
        var divsToHide = document.getElementsByClassName("chat");
        for(var i = 0; i < divsToHide.length; i++) {        
            divsToHide[i].style.width="318px";
            //497 * 353
        }
        //width: 275px !important;
        */
    }
    
    
    WMEChatResize.Show = function() {
         //alert(WMEChatResizeHeight);
        
        //alert("show");
        var divsToHide = document.getElementsByClassName("users");
        for(var i = 0; i < divsToHide.length; i++) {      
            divsToHide[i].style.visibility="visible";
        }
        
        document.getElementById('chat').style.width="497px";
        
        if(WMEChatResizeHeight == "short") { //short or tall
            document.getElementById('chat').style.height="353px";
        } else {
            //if(WMEChatResizeUsers  == "shown") {;  //shown  or hidden
            document.getElementById('chat').style.height="600px";
        }
        
        //document.getElementById('WMEChatResize-HideUsers').style.visibility="hidden";
        document.getElementById('WMEChatResize-HideUsers').style.visibility="visible";
        
        document.getElementById('WMEChatResize-ShowUsers').style.visibility="hidden";
        //document.getElementById('WMEChatResize-ShowUsers').style.visibility="visible";
        /*
        var divsToHide = document.getElementsByClassName("chat");
        for(var i = 0; i < divsToHide.length; i++) {        
            divsToHide[i].style.width="497px";
            //318 * 220
        }
        //width: 275px !important; 
        */
    }
    
    WMEChatResize.ShortChat = function() {
        WMEChatResizeHeight = "short";
        
        document.getElementById('WMEChatResize-ShortChat').style.visibility="hidden";
        //document.getElementById('WMEChatResize-ShortChat').style.visibility="visible";
        
        //document.getElementById('WMEChatResize-TallChat').style.visibility="hidden";
        document.getElementById('WMEChatResize-TallChat').style.visibility="visible";
        
        //change the chat heigh
        document.getElementById('chat').style.height="353px"; 
        
        //change chat-body
        var divsToModify = document.getElementsByClassName("chat-body");
        for(var i = 0; i < divsToModify.length; i++) {        
            divsToModify[i].style.height="310px";
        }
        
        //message-list height
        var divsToModify = document.getElementsByClassName("message-list");
        for(var i = 0; i < divsToModify.length; i++) {        
            divsToModify[i].style.height="300px";
            divsToModify[i].style.maxHeight="300px"
        }
        
        
        //change users height
        var divsToModify = document.getElementsByClassName("users");
        for(var i = 0; i < divsToModify.length; i++) {        
            divsToModify[i].style.height="310px";
        }
        
        
        
    }
    
    
    WMEChatResize.TallChat = function() {
        WMEChatResizeHeight = "tall";
        
        //document.getElementById('WMEChatResize-ShortChat').style.visibility="hidden";
        document.getElementById('WMEChatResize-ShortChat').style.visibility="visible";
        
        document.getElementById('WMEChatResize-TallChat').style.visibility="hidden";
        //document.getElementById('WMEChatResize-TallChat').style.visibility="visible";
        
        
        //change the chat height
        document.getElementById('chat').style.height="600px"; 
        
        //change chat-body
        var divsToModify = document.getElementsByClassName("chat-body");
        for(var i = 0; i < divsToModify.length; i++) {        
            divsToModify[i].style.height="557px";
        }
        
        //messages height
        var divsToModify = document.getElementsByClassName("messages");
        for(var i = 0; i < divsToModify.length; i++) {        
            divsToModify[i].style.height="493px";
        }
        
        //message-list height
        var divsToModify = document.getElementsByClassName("message-list");
        for(var i = 0; i < divsToModify.length; i++) {        
            divsToModify[i].style.height="493px";
            divsToModify[i].style.maxHeight="493px"
        }
        
        //change users height
        var divsToModify = document.getElementsByClassName("users");
        for(var i = 0; i < divsToModify.length; i++) {        
            divsToModify[i].style.height="550px";
            divsToModify[i].style.maxHeight="550px";
            
        } 
        
        
        
    }
    
    
    
    
    
    WMEChatResize.startcode = function () {
        // Check if WME is loaded, if not, waiting a moment and checks again. if yes init WMEChatResize
        try {
            if ("undefined" != typeof unsafeWindow.W.model.chat.rooms._events.listeners.add[0].obj.userPresenters[unsafeWindow.Waze.model.loginManager.user.id] ) {
                console.log("WMEChatResize ready to jump :)");
                WMEChatResize.init()
            } else {
                setTimeout(WMEChatResize.startcode, 200);
            }
        } catch(err) {
            setTimeout(WMEChatResize.startcode, 200);
        }
    }
    ///setTimeout(WMEChatResize.startcode, 5000);
    WMEChatResize.startcode();
}

WMEChatResize_bootstrap();