OmnomIRC-node/omnomirc_www/omnomirc.js

/*
	OmnomIRC COPYRIGHT 2010,2011 Netham45
	OmnomIRC JavaScript Client rewrite COPYRIGHT 2013
										Nathaniel 'Eeems' van Diepen

	This file is part of OmnomIRC.

	OmnomIRC is free software: you can redistribute it and/or modify
	it under the terms of the GNU General Public License as published by
	the Free Software Foundation, either version 3 of the License, or
	(at your option) any later version.

	OmnomIRC is distributed in the hope that it will be useful,
	but WITHOUT ANY WARRANTY; without even the implied warranty of
	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
	GNU General Public License for more details.

	You should have received a copy of the GNU General Public License
	along with OmnomIRC.  If not, see <http://www.gnu.org/licenses/>.
*/
(function(window,undefined){
	document.domain=HOSTNAME;
	var OmnomIRC = window.OmnomIRC = (function(){
			var ret = {
					options: "----------------------------------------|", //40 for future expansion!(and 40 bytes isn't much.) Pipe is a terminator.
					cookieLoad: proto('cookieLoad'),
					getOption: proto('getOption'),
					setOption: proto('setOption'),
					clearCookies: proto('clearCookies'),
					getHTMLToggle: proto('getHTMLToggle'),
					setAllowNotification: proto('setAllowNotification'),
					startIndicator: proto('startIndicator'),
					stopIndicator: proto('stopIndicator')
				};
			if(message.addEventListener ){
				message.addEventListener("keydown",proto('keyHandler').call(ret),false);
			}else if(message.attachEvent ){
				message.attachEvent("onkeydown",proto('keyHandler').call(ret));
			}
			window.onLoad = this.cookieLoad();
			return ret;
		})(),
		proto = function(fn){
			return function(){
				try{
					return _proto[fn].apply(OmnomIRC,arguments);
				}catch(e){
					return null;
				}
			};
		},
		_proto = {
			cookieLoad: function() {
				if (document.cookie.indexOf("OmnomIRC") >= 0) {
					this.options = document.cookie.replace(/^.*OmnomIRC=(.+?)|.*/, "\$1");
				}else{
					document.cookie = "OmnomIRC=" + this.options + ";expires=Sat, 20 Nov 2286 17:46:39 GMT;";
				}
			},
			getOption: function(Option,def) { //Returns what 'Option' is. Option must be a number 1-40. def is what to return if it is not set(equal to -)
				if (Option < 1 || Option > 40){
					return 0;
				}
				var result = this.options.charAt(Option - 1);
				if (result == '-'){
					return def;
				}
				return result;
			},
			setOption: function(Option, value,noRefresh) { //Sets 'Option' to 'value'. Value must be a single char. Option must be a number 1-40.
				if (Option < 1 || Option > 40){
					return;
				}
				this.options = this.options.substring(0, Option - 1) + value + this.options.substring(Option);
				document.cookie = "OmnomIRC=" + this.options + ";expires=Sat, 20 Nov 2286 17:46:39 GMT;";
				if (!noRefresh){
					document.location.reload();
				}
			},
			clearCookies: function(){
				document.cookie = "OmnomIRC=a;expires=Thu, 01-Jan-1970 00:00:01 GMT;";
				document.cookie = "OmnomChannels=a;expires=Thu, 01-Jan-1970 00:00:01 GMT;";
				document.location.reload();
			},
			permissionGranted: function(){
				if (window.webkitNotifications.checkPermission() === 0){
					proto('showNotification').call(this,"Notifications Enabled!");
					this.setOption(7,'T');
					window.location.refresh(true);
				}
			},
			getHTMLToggle: function(State, StateOn, StateOff,StateOnFunc,StateOffFunc){
				var result = "";
				if (State){
					result += "<b>";
					result += StateOn;
					result += "</b>";
				}else{
					result += '<a href="#" onclick="'+StateOnFunc+'">';
					result += StateOn;
					result += '</a>';
				}
				result += "</td><td>";
				if(!State){
					result += "<b>";
					result += StateOff;
					result += "</b>";
				}else{
					result += '<a href="#" onclick="'+StateOffFunc+'">';
					result += StateOff;
					result += '</a>';
				}
				return result;
			},
			setAllowNotification: function(){
				if (window.webkitNotifications === undefined || window.webkitNotifications === null || !window.webkitNotifications){
					alert("This feature only works in chrome.");
					return;
				}
				window.webkitNotifications.requestPermission(proto('permissionGranted').call(this));
			},
			showNotification: function(message){
				if (window.webkitNotifications === undefined || window.webkitNotifications === null || !window.webkitNotifications){
				 return 0;
				}
				if (window.webkitNotifications.checkPermission() !== 0){
					return 0;
				}
				var n;
				n = window.webkitNotifications.createNotification('http://www.omnimaga.org/favicon.ico', 'OmnomIRC Highlight', message);
				n.show();
			},
			keyHandler: function(e){
				var getCurrentWord = proto('getCurrentWord').call(this),
					TABKEY = 9;
				if (getCurrentWord() === ""){
					return true;
				}
				if(e.keyCode == TABKEY){
					if(e.preventDefault) {
						e.preventDefault();
					}
					tabWord = getCurrentWord();
					getTabComplete();
					tabCount++;
					isInTab = true;
					//setTimeout(1,1); //Who woulda thought that a bogus call makes it not parse it in FF4?
					return false;
				}else{
					tabWord = "";
					tabCount = 0;
					isInTab = false;
				}
			},
			getCurrentWord: function(){
				if (isInTab){
					return tabWord;
				}
				startPos = message.selectionStart;
				endPos = message.selectionStart;
				var startChar = message.value.charAt(startPos);
				while (startChar != " " && --startPos > 0){
				startChar = message.value.charAt(startPos);
				}
				if (startChar == " "){
					startPos++;
				}
				var endChar = message.value.charAt(endPos);
				while (endChar != " " && ++endPos <= message.value.length){
					endChar = message.value.charAt(endPos);
				}
				endPosO = endPos;
				return message.value.substr(startPos,endPos - startPos).trim();
			},
			getTabComplete: function(){
				var getCurrentWord = proto('getCurrentWord').call(this),
					name = searchUser(getCurrentWord(),tabCount);
				if (!isInTab){
					startPos = message.selectionStart;
					var startChar = message.value.charAt(startPos);
					while (startChar != " " && --startPos > 0){
						startChar = message.value.charAt(startPos);
					}
					if (startChar == " "){
						startChar+=2;
					}
					endPos = message.selectionStart;
					var endChar = message.value.charAt(endPos);
					while (endChar != " " && ++endPos <= message.value.length){
					  endChar = message.value.charAt(endPos);
					}
					if (endChar == " "){
						endChar-=2;
					}
				}
				if (name == getCurrentWord()){
					tabCount = 0;
					name = searchUser(getCurrentWord(),tabCount);
				}
				message.value = message.value.substr(0,startPos) + name + message.value.substr(endPos + 1);
				endPos = endPosO + name.length;
			},
			startIndicator: function(){
				if(!indicatorTimer){
					indicatorTimer = setInterval(proto('updateIndicator').call(this),50);
					indicatorPixels = Array(true,true,true,true,true,false,false,false);
				}
			},
			stopIndicator: function() {
				clearInterval(indicatorTimer);
				document.getElementById('indicator').innerHTML = '';
				indicatorTimer = false;
			},
			updateIndicator: function() {
				var indicator = document.getElementById('indicator'),
					div,
					temp = indicatorPixels[7];
					indicator.innerHTML = "";
				for (var i=0;i<8;i++){
					div = document.createElement('div');
					div.style.padding = 0;
					div.style.margin = 0;
					div.style.width = '3px';
					div.style.height = '3px';
					if (indicatorPixels[i]){
						div.style.backgroundColor = 'black';
					}
					indicator.appendChild(div);
				}
				for(i=6;i>=0;i--){
					indicatorPixels[(i+1)] = indicatorPixels[i];
				}
				indicatorPixels[0] = temp;
			},
			readOldMessagesCookies: function() {
				var oldMessages = [],
					temp = getCookie("oldMessages-"+getChannelEn());
				if (temp!==null){
					oldMessages = temp.split("\n");
				}
				messageCounter = oldMessages.length;
			}
		},
		message = document.getElementById("message"),
		isInTab = false,
		tabWord = "",
		tabCount = 0,
		startPos = 0,
		endPos = 0,
		endPosO = 0,
		indicatorTimer = false,
		oldMessages = [],
		messageCounter = 1,
		currentMessage,
		messageList = [],
		UserListArr = [],
		curLine = 0,
		messageBox = window.messageBox = document.createElement("table"),
		mBoxCont = window.mBoxCont = document.getElementById("mboxCont"),
		Userlist = [],
		scrolledDown = true,
		statusTxt = "",
		statusStarted = false,
		focusHandlerRegistered = false,
		userListContainer = document.getElementById("UserListArrContainer"),
		userListDiv = document.getElementById("UserList"),
		xmlhttp,
		inRequest = false,
		errorCount = 0;
	messageBox.style.width="100%";
	messageBox.style.height="100%";
	messageBox.className='MessageBox';
	window.addEventListener('keydown',function(e){
		if(document.activeElement.id=="message"){
			var messageBoxElement = document.getElementById("message");
			if(messageCounter==oldMessages.length){
				currentMessage=messageBoxElement.value;
			}
			if(oldMessages.length!==0) {
				if (e.keyCode==38) { //up
					if(messageCounter!==0){
						messageCounter--;
					}
					messageBoxElement.value = oldMessages[messageCounter];
				}else if(e.keyCode==40){ //down
					if (messageCounter!=oldMessages.length){
						messageCounter++;
					}
					if (messageCounter==oldMessages.length){
						messageBoxElement.value = currentMessage;
					}else{
						messageBoxElement.value = oldMessages[messageCounter];
					}
				}
			}
		}
	}, false);
})(window);