gistfile1.js

/* ***** BEGIN LICENSE BLOCK *****
 *   Version: MPL 1.1/GPL 2.0/LGPL 2.1
 *
 * The contents of this file are subject to the Mozilla Public License Version
 * 1.1 (the "License"); you may not use this file except in compliance with
 * the License. You may obtain a copy of the License at
 * http://www.mozilla.org/MPL/
 * 
 * Software distributed under the License is distributed on an "AS IS" basis,
 * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
 * for the specific language governing rights and limitations under the
 * License.
 *
 * The Initial Developer of the Original Code is
 * Chad Smith.
 * Portions created by the Initial Developer are Copyright (C) 2008
 * the Initial Developer. All Rights Reserved.
 *
 * Contributor(s):
 *
 * Alternatively, the contents of this file may be used under the terms of
 * either the GNU General Public License Version 2 or later (the "GPL"), or
 * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
 * in which case the provisions of the GPL or the LGPL are applicable instead
 * of those above. If you wish to allow use of your version of this file only
 * under the terms of either the GPL or the LGPL, and not to allow others to
 * use your version of this file under the terms of the MPL, indicate your
 * decision by deleting the provisions above and replace them with the notice
 * and other provisions required by the GPL or the LGPL. If you do not delete
 * the provisions above, a recipient may use your version of this file under
 * the terms of any one of the MPL, the GPL or the LGPL.
 * 
 * ***** END LICENSE BLOCK ***** */

if(!com)
var com={};
if(!com.chadsmith)
com.chadsmith={};
com.chadsmith.googlewave=function(){
	return {
		Auth:null,
		WAVE:null,
		load:function(){
			com.chadsmith.googlewave.initChecker()
		},
		unload:function(){
			com.chadsmith.googlewave.delegateNewMaster();
			com.chadsmith.googlewave=null
		},
		httpReq:null,
		intervalId:null,
		timeoutId:null,
		gwStatusBarId:'google-wave-statusbar',
		gwStatusBar:null,
		tooltipLabels:null,
		tooltipLabelCount:0,
		tooltipElements:null,
		tooltipElementCount:0,
		prefBranch:Components.classes['@mozilla.org/preferences-service;1'].getService(Components.interfaces.nsIPrefService).getBranch('extensions.google-wave.'),
		JSON:Components.classes["@mozilla.org/dom/json;1"].createInstance(Components.interfaces.nsIJSON),
		passwordSites:['chrome://google-wave'],
		waveLogo:'chrome://google-wave/content/google-wave.png',
		inboxURL:'https://wave.google.com/wave/',
		loginURL:'https://www.google.com/accounts/ClientLogin',
		logoutURL:'https://wave.google.com/wave/logout',
		aboutURL:'http://thatsmith.com/2009/10/google-wave-addon-for-firefox',
		usernameFormField:'Email',
		passwordFormField:'Passwd',
		inboxCount:null,
		unreadCount:null,
		pwdmgr:null,
		pwdmgrInternal:null,
		oldUsername:null,
		defaultFrequency:1000*60*60*2,
		defaultHttpTimeout:30000,
		lastUpdated:null,
		checkingInProgress:false,
		finishedChecking:function(){
			this.debug('finished checking');
			this.checkingInProgress=false
		},
		initChecker:function(){
			this.debug('in initChecker');
			try{
				this.gwStatusBar=document.getElementById(this.gwStatusBarId);
				this.initOption();
				var loggedIn=false,
					windowManager=this.getWindowManager(),
					enumerator=windowManager.getXULWindowEnumerator(null);
				while(enumerator.hasMoreElements()){
					var
						xulWindow=enumerator.getNext(),
						win=this.getDOMWindow(xulWindow);
					if(com.chadsmith.googlewave!=null&&com.chadsmith.googlewave.intervalId!=null){
						this.debug(win+' intervalId is not null');
						loggedIn=false;
						if(this.gwStatusBar!=null){
							var
								myBar=this.gwStatusBar,
								oldBar=xulWindow.docShell.contentViewer.DOMDocument.getElementById(this.gwStatusBarId);
							this.debug('copying status bar');
							myBar.src=oldBar.src;
							myBar.setAttribute('label',oldBar.getAttribute('label'));
							myBar.setAttribute('height',oldBar.getAttribute('height'));
							myBar.setAttribute('style',oldBar.getAttribute('style'));
							if(oldBar.getAttribute('tooltiptext')){
								this.debug('copying tooltiptext');
								myBar.setAttribute('tooltiptext',oldBar.getAttribute('tooltiptext'))
							}
							else{
								this.debug('copying tooltip');
								if(myBar.hasAttribute('tooltiptext'))
									myBar.removeAttribute('tooltiptext');
								var
									tooltipId=oldBar.getAttribute('tooltip'),
									oldTooltip=xulWindow.docShell.contentViewer.DOMDocument.getElementById(tooltipId),
									tooltip=this.newTooltip(document,myBar),
									i;
								for(i=0;i<oldTooltip.childNodes.length;i++)
									tooltip.appendChild(this.cloneTooltipLabel(document,oldTooltip.childNodes.item(i)));
								document.getElementById('mainPopupSet').appendChild(tooltip);
								myBar.setAttribute('tooltip',tooltip.getAttribute('id'))
							}
						}
					}
				}
				if(document.getElementById(this.gwStatusBarId)&&!loggedIn)
					this.start()
			}
			catch(e){
				this.warn(e)
			}
		},
		delegateNewMaster:function(){
			try{
				this.debug('trying to delegate new master');
				if(this.intervalId!=null){
					var
						newMasterFound=false,
						windowManager=this.getWindowManager(),
						enumerator=windowManager.getXULWindowEnumerator(null);
					while(enumerator.hasMoreElements()&&!newMasterFound){
						var
							xulWindow=enumerator.getNext(),
							win=this.getDOMWindow(xulWindow);
						if(com.chadsmith.googlewave!=null&&com.chadsmith.googlewave.intervalId==null){
							this.debug('found new master '+win);
							com.chadsmith.googlewave.scheduleInboxChecking(win);
							newMasterFound=true
						}
					}
				}
			}
			catch(e){
				this.warn(e)
			}
		},
		login:function(){
			try{
				this.debug('trying to login');
				var
					loginData=this.getLoginData(),
					username=loginData.username,
					pass=loginData.password;
				if(username&&pass){
					this.httpReq=new XMLHttpRequest();
					this.httpReq.open('POST',this.loginURL,true);
					this.httpReq.setRequestHeader('Content-Type','application/x-www-form-urlencoded');
					this.setReqTimeout(this.loginURL);
					var
						module=this;
					this.httpReq.onload=function(){
						module.parseLogin()
					};
					this.httpReq.send('accountType=GOOGLE&'+this.usernameFormField+'='+encodeURIComponent(username)+'&'+this.passwordFormField+'='+encodeURIComponent(pass)+'&service=wave&source=chadsmith-GoogleWaveFirefox-0.0.1');
					return true
				}
				else{
					this.finishedChecking();
					var
						missing='';
					if(username==null||username.length==0)
						missing+='email';
					if(pass==null||pass.length==0)
						missing+=((missing!='')?' and ':'')+'password';
					this.setStatusBarAttribute('label',missing+' missing from settings');
					this.setStatusBarAttribute('height',1);
					this.setStatusBarAttribute('src',this.waveLogo);
					return false
				}
			}
			catch(e){
				this.finishedChecking();
				this.warn(e);
				return false
			}
		},
		parseLogin:function(){
			this.debug('parsing login');
			try{
				this.clearReqTimeout();
				var
					responseText=this.httpReq.responseText,
					error=responseText.match(/Error=([A-z]+)/),
					auth=responseText.match(/Auth=([A-z0-9_-]+)/),
					wave=responseText.match(/SID=([A-z0-9_-]+)/);
				if(error){
					this.finishedChecking();
					this.setStatusBarAttribute('label',error[1]);
					this.setStatusBarAttribute('height',1);
					this.setStatusBarAttribute('src',this.waveLogo)
				}
				else
					if(auth&&wave){
						com.chadsmith.googlewave.Auth=auth[1];
						com.chadsmith.googlewave.WAVE=wave[1];
						this.debug('successfully logged in');
						this.readInbox()
					}
			}
			catch(e){
				this.finishedChecking();
				this.warn(e)
			}
		},
		readInbox:function(){
			try{
				if(!com.chadsmith.googlewave.Auth||!com.chadsmith.googlewave.WAVE)
					this.login();
				this.debug('retrieving inbox');
				this.httpReq=new XMLHttpRequest();
				this.httpReq.open('GET',this.inboxURL+'?nouacheck&auth='+encodeURIComponent(com.chadsmith.googlewave.Auth),true);
				this.httpReq.setRequestHeader("WAVE",encodeURIComponent(com.chadsmith.googlewave.WAVE));
				this.setReqTimeout(this.inboxURL+'?nouacheck&auth='+encodeURIComponent(com.chadsmith.googlewave.Auth));
				var
					module=this;
				this.httpReq.onload=function(){
					module.parseInbox()
				};
				this.httpReq.send(null)
			}
			catch(e){
				this.finishedChecking();
				this.warn(e)
			}
		},
		parseInbox:function(evt){
			try{
				this.debug('parsing inbox');
				this.clearReqTimeout();
				if(!com.chadsmith.googlewave.Auth||!com.chadsmith.googlewave.WAVE){
					this.login();
					return
				}
				this.setLastUpdatedToNow();
				this.parseResponseText(this.httpReq.responseText);
				this.finishedChecking()
			}
			catch(e){
				this.finishedChecking();
				this.warn(e)
			}
		},
		parseResponseText:function(responseText){
			var data=responseText.match(/var json = (\{"r":"\^d1".*});/);
			if(!data){
				this.finishedChecking();
				this.setStatusBarAttribute('label','Incompatible browser');
				return this.error('Useragent check failed');
			}
			data=data[1].match(/"7":([0-9]+),/g);
			var messages=0;
			var unread=0;
			var n;
			for(n in data){
				messages++;
				unread+=parseInt(data[n].match(/"7":([0-9]+),/)[1])?1:0
			}
			this.setStatusBarAttribute('label',unread?unread:'');
			this.setStatusBarAttribute('style','');
			this.setStatusBarAttribute('height',1);
			this.setStatusBarAttribute('src',this.waveLogo);
		},
		checkWithLogout:function(){
			if(this.checkingInProgress){
				this.debug('another check is still in progress');
				return
			}
			this.checkingInProgress=true;
			try{
				this.debug('logging out');
				this.httpReq=new XMLHttpRequest();
				this.httpReq.open('GET',this.logoutURL+'?auth='+encodeURIComponent(com.chadsmith.googlewave.Auth),true);
				this.setReqTimeout(this.logoutURL+'?auth='+encodeURIComponent(com.chadsmith.googlewave.Auth));
				var
					module=this;
				this.httpReq.onload=function(){
					module.afterLogout()
				};
				this.httpReq.send(null)
			}
			catch(e){
				this.finishedChecking();
				this.warn(e)
			}
		},
		afterLogout:function(){
			this.debug('logging out finished');
			this.clearReqTimeout();
			this.login()
		},
		startInboxChecking:function(){
			this.debug('starting inbox checking');
			var
				needToCheck=true;
			if(needToCheck)
				this.readInbox();
			this.scheduleInboxChecking(window);
		},
		scheduleInboxChecking:function(win){
			if(com.chadsmith.googlewave!=null)
				com.chadsmith.googlewave.intervalId=win.setInterval('com.chadsmith.googlewave.readInbox()',this.getUpdateFrequency())
		},
		stopInboxChecking:function(){
			this.debug('stopping inbox checking');
			var
				windowManager=this.getWindowManager(),
				enumerator=windowManager.getXULWindowEnumerator(null);
			while(enumerator.hasMoreElements()){
				var
					xulWindow=enumerator.getNext(),
					win=this.getDOMWindow(xulWindow);
				if(com.chadsmith.googlewave!=null&&com.chadsmith.googlewave.intervalId!=null){
					this.debug('cleaning old scheduled task');
					win.clearInterval(com.chadsmith.googlewave.intervalId);
					com.chadsmith.googlewave.intervalId=null
				}
			}
		},
		isInboxCheckingStarted:function(){
			var
				windowManager=this.getWindowManager(),
				enumerator=windowManager.getXULWindowEnumerator(null);
			while(enumerator.hasMoreElements()){
				var
					xulWindow=enumerator.getNext(),
					win=this.getDOMWindow(xulWindow);
				if(com.chadsmith.googlewave!=null&&com.chadsmith.googlewave.intervalId!=null)
					return true
			}
			return false
		},
		doNothing:function(){
			this.setStatusBarAttribute('label','disabled');
			this.setStatusBarAttribute('height',1);
			this.setStatusBarAttribute('src',this.waveLogo)
		},
		start:function(){
			if(this.isInboxCheckingStarted())
				this.stopInboxChecking();
			this.startInboxChecking()
		},
		getWindowManager:function(){
			var
				mediatorContractid='@mozilla.org/appshell/window-mediator;1',
				nsIWindowMediator=Components.interfaces.nsIWindowMediator;
			return Components.classes[mediatorContractid].getService(nsIWindowMediator)
		},
		getDOMWindow:function(xulWindow){
			xulWindow=xulWindow.QueryInterface( Components.interfaces.nsIXULWindow);
			var
				requestor=xulWindow.docShell.QueryInterface(Components.interfaces.nsIInterfaceRequestor);
			return requestor.getInterface(Components.interfaces.nsIDOMWindow)
		},
		setStatusBarAttribute:function(attr,value){
			var
				windowManager=this.getWindowManager(),
				enumerator=windowManager.getXULWindowEnumerator(null);
			while(enumerator.hasMoreElements()){
				var
					xulWindow=enumerator.getNext();
				xulWindow=xulWindow.QueryInterface(Components.interfaces.nsIXULWindow);
				var
					myPanel=xulWindow.docShell.contentViewer.DOMDocument.getElementById(this.gwStatusBarId);
				if(myPanel!=null)
					myPanel.setAttribute(attr,value)
			}
		},
		addTooltipImage:function(bg,ico){
			var
				vbox=document.createElement('vbox'),
				spacer=document.createElement('spacer'),
				image=document.createElement('image');
			vbox.setAttribute('style','background:url('+bg+') no-repeat center center');
			spacer.setAttribute('style','height:8px');
			image.setAttribute('src',ico);
			image.setAttribute('style','margin:24px 24px 0px 0px');
			vbox.appendChild(spacer);
			vbox.appendChild(image);
			this.tooltipElements[this.tooltipElementCount++]=vbox
		},
		addTooltipLabel:function(text,styleClass){
			var
				lbl=document.createElement('label');
			lbl.setAttribute('value',text);
			if(styleClass!=null)
				lbl.setAttribute('style',styleClass);
			this.tooltipLabels[this.tooltipLabelCount++]=lbl
		},
		createTooltipElement:function(labels){
			var
				vbox=document.createElement('vbox');
			for(var i=0;i<labels.length;i++)
				vbox.appendChild(labels[i]);
			this.tooltipElements[this.tooltipElementCount++]=vbox
		},
		cloneTooltipLabel:function(doc,label){
			var
				clone=doc.createElement('vbox');
			clone=label.cloneNode(true);
			return clone
		},
		setStatusBarTooltip:function(labels){
			var
				windowManager=this.getWindowManager(),
				enumerator=windowManager.getXULWindowEnumerator(null);
			while(enumerator.hasMoreElements()){
				var
					xulWindow=enumerator.getNext(),
					win=this.getDOMWindow(xulWindow),
					doc=xulWindow.docShell.contentViewer.DOMDocument;
				if(com.chadsmith.googlewave!=null)
					com.chadsmith.googlewave.setTooltip(doc,labels)
			}
		},
		setTooltip:function(doc,labels){
			var
				tooltip,
				parent;
			if(this.gwStatusBar==null){
				this.debug('null gw status bar. skip tooltips');
				return
			}
			this.debug('setting tooltip');
			if(this.gwStatusBar.hasAttribute('tooltiptext'))
				this.gwStatusBar.removeAttribute('tooltiptext');
			if(this.gwStatusBar.hasAttribute('tooltip'))
				tooltip=doc.getElementById(this.gwStatusBar.getAttribute('tooltip'));
			if(tooltip==null){
				parent=doc.getElementById('mainPopupSet');
				tooltip=this.newTooltip(doc,this.gwStatusBar);
				try{
					parent.appendChild(tooltip)
				}
				catch(e){
					this.debug('got exception appendChild '+e)
				}
				this.gwStatusBar.setAttribute('tooltip',tooltip.getAttribute('id'))
			}
			while(tooltip.hasChildNodes())
				tooltip.removeChild(tooltip.firstChild);
			var
				hbox=document.createElement('hbox'),
				i;
			for(i=0;i<labels.length;i++){
				if(labels[i].ownerDocument==doc)
					hbox.appendChild(labels[i]);
				else
					hbox.appendChild(this.cloneTooltipLabel(doc,labels[i]))
			}
			tooltip.appendChild(hbox)
		},
		newTooltip:function(doc,gwStatusBar){
			var
				tooltip=doc.createElement('tooltip');
			tooltip.setAttribute('id',gwStatusBar.getAttribute('id')+'-tip');
			tooltip.setAttribute('noautohide',true);
			tooltip.setAttribute('orient','vertical');
			tooltip.setAttribute('crop','none');
			return tooltip
		},
		checkNow:function(){
			this.debug('checking inbox now');
			var
				windowManager=this.getWindowManager(),
				enumerator=windowManager.getXULWindowEnumerator(null);
			while(enumerator.hasMoreElements()){
				var
					xulWindow=enumerator.getNext(),
					win=this.getDOMWindow(xulWindow);
				if(com.chadsmith.googlewave!=null&&com.chadsmith.googlewave.intervalId!=null){
					com.chadsmith.googlewave.setStatusBarAttribute('label','Loading inbox...');
					com.chadsmith.googlewave.setStatusBarAttribute('style','');
					win.setTimeout('com.chadsmith.googlewave.readInbox()',1000);
					return
				}
			}
		},
		gotoInbox:function(){
			gBrowser.selectedTab=gBrowser.addTab(this.inboxURL)
		},
		gotoAboutSite:function(){
			gBrowser.selectedTab=gBrowser.addTab(this.aboutURL)
		},
		isenabled:function(){
			return this.prefBranch.prefHasUserValue('enabled')?this.prefBranch.getBoolPref('enabled'):true
		},
		enable:function(value){
			this.prefBranch.setBoolPref('enabled',value);
			this[!value?'doNothing':'login']()
		},
		getLastUpdated:function(){
			return this.prefBranch.prefHasUserValue('lastUpdated')?new Date(this.toInt(this.prefBranch.getCharPref('lastUpdated'))):null
		},
		setLastUpdated:function(date){
			this.prefBranch.setCharPref('lastUpdated',date.getTime())
		},
		setLastUpdatedToNow:function(){
			this.setLastUpdated(new Date())
		},
		initOption:function(){
			if('@mozilla.org/passwordmanager;1' in Components.classes){
				this.pwdmgrInternal=Components.classes['@mozilla.org/passwordmanager;1'].getService(Components.interfaces.nsIPasswordManagerInternal);
				this.pwdmgr=Components.classes['@mozilla.org/passwordmanager;1'].getService(Components.interfaces.nsIPasswordManager)
			}
			else
				this.pwdmgr=Components.classes['@mozilla.org/login-manager;1'].getService(Components.interfaces.nsILoginManager)
		},
		optionEditLoad:function(){
			this.debug('loading preferences');
			this.initOption();
			var loginData=this.getLoginData();
			if(loginData.username!='')
				document.getElementById('google-wave-username-field').value=loginData.username;
			if(loginData.password!='')
				document.getElementById('google-wave-password-field').value=loginData.password;
			this.oldUsername=loginData.username;
			document.getElementById('google-wave-frequency-field').value=this.getUpdateFrequency()/60000;
			document.getElementById('google-wave-httptimeout-field').value=this.getHttpTimeout()/1000
		},
		optionEditSave:function(){
			this.debug('saving preferences');
			try{
				var
					username=document.getElementById('google-wave-username-field').value,
					password=document.getElementById('google-wave-password-field').value,
					frequency=document.getElementById('google-wave-frequency-field').value,
					httpTimeout=document.getElementById('google-wave-httptimeout-field').value;
				if(username==''){
					alert('You must enter an e-mail address');
					return false
				}
				if(frequency==''||isNaN(frequency)){
					alert('You must enter a number for update frequency');
					return false
				}
				if(httpTimeout==''||isNaN(httpTimeout)){
					alert('You must enter a number for HTTP timeout');
					return false
				}
				if('@mozilla.org/passwordmanager;1' in Components.classes){
					try{
						for(var i=0;i<this.passwordSites.length;i++)
							this.pwdmgr.removeUser(this.passwordSites[i],this.oldUsername)
					}
					catch(e){
						this.debug('exception removing password '+e)
					}
					for(var i=0;i<this.passwordSites.length;i++)
						this.pwdmgrInternal.addUserFull(this.passwordSites[i],username,password,this.usernameFormField,this.passwordFormField)
				}
				else
					for(var i=0;i<this.passwordSites.length;i++){
						var
							logins=this.pwdmgr.findLogins({},this.passwordSites[i],this.passwordSites[i],null),
							nsLoginInfo=new Components.Constructor('@mozilla.org/login-manager/loginInfo;1',Components.interfaces.nsILoginInfo,'init'),
							loginInfo=new nsLoginInfo(this.passwordSites[i],this.passwordSites[i],null,username,password,this.usernameFormField,this.passwordFormField),
							j;
						for(j=0;j<logins.length;j++)
							//if(logins[j].username==this.oldUsername){ // removing all old logins for now
								this.pwdmgr.removeLogin(logins[j]);
							//	break
							//}
						this.pwdmgr.addLogin(loginInfo)
					}
				var
					needToChangeInterval=false,
					frequencyValue=this.toInt(frequency);
				if(this.getUpdateFrequency()!=frequencyValue){
					this.prefBranch.setIntPref('frequency',frequencyValue);
					needToChangeInterval=true
				}
				this.prefBranch.setIntPref('httpTimeout',this.toInt(httpTimeout));	
				var
					windowManager=this.getWindowManager(),
					enumerator=windowManager.getXULWindowEnumerator(null);
				while(enumerator.hasMoreElements()){
					var
						xulWindow=enumerator.getNext(),
						win=this.getDOMWindow(xulWindow);
					if(com.chadsmith.googlewave!=null&&com.chadsmith.googlewave.intervalId!=null){
						if(needToChangeInterval){
							this.debug('changing interval to '+this.getUpdateFrequency());
							win.clearInterval(com.chadsmith.googlewave.intervalId);
							com.chadsmith.googlewave.scheduleInboxChecking(win)
						}
						win.setTimeout('com.chadsmith.googlewave.checkWithLogout()',1000);
						break
					}
				}
				return true
			}
			catch(e){
				alert('An unknown error occurred\n'+e)
			}
			return false
		},
		getLoginData:function(){
			var
				data={username:'',password:''};
			if('@mozilla.org/passwordmanager;1' in Components.classes){
				for(var i=0;i<this.passwordSites.length;i++){
					var
						host={value:this.passwordSites[i]},
						user={value:''},
						password={value:''};
					try{
						this.pwdmgrInternal.findPasswordEntry(host.value,'','',host,user,password);
						this.debug('found user/password from the password manager by host '+this.passwordSites[i]);
						break
					}
					catch(e){
						this.debug('no user/password retrieved from the password manager by host '+this.passwordSites[i])
					}
				}
				data.username=user.value;
				data.password=password.value
			}
			else
				for(var i=0;i<this.passwordSites.length;i++){
					var
						logins=this.pwdmgr.findLogins({},this.passwordSites[i],this.passwordSites[i],null);
					if(logins.length>0){
						// return the first one
						data.username=logins[0].username;
						data.password=logins[0].password;
						break
					}
				}
			return data
		},
		getUpdateFrequency:function(){
			try{
				return this.prefBranch.prefHasUserValue('frequency')?this.prefBranch.getIntPref('frequency')*60000:this.defaultFrequency
			}
			catch(e){
				this.warn(e);
				return this.defaultFrequency
			}
		},
		getHttpTimeout:function(){
			try{
				return this.prefBranch.prefHasUserValue('httpTimeout')?this.prefBranch.getIntPref('httpTimeout')*1000:this.defaultHttpTimeout
			}
			catch(e){
				this.warn(e);
				return this.defaultHttpTimeout
			}
		},
		callInProgress:function(xmlhttp){
			this.debug('xmlhttp ready state = '+xmlhttp.readyState);
			switch(xmlhttp.readyState){
				case 1:
				case 2:
				case 3:
					return true;
					break;
				default:
					return false;
					break
			}
		},
		setReqTimeout:function(url){
			var
				httpTimeout=this.getHttpTimeout();
			this.timeoutId=setTimeout('com.chadsmith.googlewave.timeoutFired("'+url+'");',httpTimeout);
			this.debug('set timeout '+httpTimeout+'(ms) id '+this.timeoutId+' for '+url)
		},
		timeoutFired:function(url){
			this.debug('timeout fired for '+url);
			if(this.callInProgress(this.httpReq)){
				this.warn('http request to '+url+' timed out');
				this.finishedChecking();
				this.httpReq.abort()
			}
			else
				if(this.httpReq.readyState==4)
					this.finishedChecking()
		},
		clearReqTimeout:function(){
			window.clearTimeout(this.timeoutId);
			this.debug('cleared timeout id '+this.timeoutId)
		},
		debug:function(msg){
			dump(this.getDate()+' DEBUG: '+msg+'\n')
		},
		warn:function(msg){
			dump(this.getDate()+' WARNING: '+msg+'\n');
			this.setStatusBarAttribute('tooltiptext',msg)
		},
		error:function(msg){
			dump(this.getDate()+' ERROR: '+msg+'\n');
			this.setStatusBarAttribute('tooltiptext',msg);
			this.setStatusBarAttribute('style','color:rgb(255,0,0)');
		},
		getDate:function(){
			var
				d=new Date(),
				h=d.getHours()+'',
				m=d.getMinutes()+'',
				s=d.getSeconds()+'';
			if(h.length==1)
				h='0'+h;
			if(m.length==1)
				m='0'+m;
			if(s.length==1)
				s='0'+s;
			return(d.getMonth()+1)+'/'+d.getDate()+'/'+d.getFullYear()+' '+h+':'+m+':'+s
		},
		toInt:function(s){
			return s[0]=='0'?parseInt(s.substring(1,s.length)):parseInt(s)
		}
	}
}();
window.addEventListener('load',com.chadsmith.googlewave.load,false);
window.addEventListener('unload',com.chadsmith.googlewave.unload,false);