var gSubscribeTree = null;var gSearchTree;var okCallback = null;var gChangeTable = {};var gServerURI = null;var gSubscribableServer = null;var gStatusBar = null;var gNameField = null;var gNameFieldLabel = null;var gFolderDelimiter = ".";var gStatusFeedback = new nsMsgStatusFeedback;var gTimelineEnabled = false;var gMessengerBundle = null;var gSubscribeDeck = null;var gSearchView = null;var gSearchTreeBoxObject = null;// the rdf servicevar RDF = Components.classes['@mozilla.org/rdf/rdf-service;1'].getService(Components.interfaces.nsIRDFService);var subscribeDS = RDF.GetDataSource("rdf:subscribe");// get the "subscribed" atomvar atomService = Components.classes["@mozilla.org/atom-service;1"].getService().QueryInterface(Components.interfaces.nsIAtomService);var gSubscribedAtom = atomService.getAtom("subscribed").QueryInterface(Components.interfaces.nsISupports);var gSubscribeBundle;function goDoCommand(){}function Stop(){    //dump("Stop()\n")    if (gSubscribableServer) {        gSubscribableServer.stopPopulating(msgWindow);    }}function SetServerTypeSpecificTextValues(){    if (!gServerURI) return;    var serverType = GetMsgFolderFromUri(gServerURI, true).server.type;    // set the server specific ui elements    var stringName = "foldersheaderfor-" + serverType;    var stringval = gSubscribeBundle.getString(stringName);    var element = document.getElementById("subscribeFolderLabel");    element.setAttribute('value',stringval);    //set the delimiter    try {        gFolderDelimiter = gSubscribableServer.delimiter;    }    catch (ex) {        //dump(ex + "\n");        gFolderDelimiter = ".";    }}function onServerClick(event){	var item = event.target;	gServerURI = item.id;	//dump("gServerURI="+gServerURI+"\n");	SetUpTree(false);	SetServerTypeSpecificTextValues();}function SetUpServerMenu(){	//dump("SetUpServerMenu()\n");    var serverMenu = document.getElementById("serverMenu");    var menuitems = serverMenu.getElementsByAttribute("id", gServerURI);	try {		//dump("gServerURI="+gServerURI+"\n");		//dump("menuitems="+menuitems+"\n");		//dump("menuitems[0]="+menuitems[0]+"\n");		//dump("serverMenu="+serverMenu+"\n");    	serverMenu.selectedItem = menuitems[0];	}	catch (ex) {		//dump("failed to set the selected server: " + ex + "\n");	}	SetServerTypeSpecificTextValues();}var MySubscribeListener = {    OnDonePopulating: function() {        gStatusFeedback._stopMeteors();        // only re-root the tree, if it is null.        // otherwise, we are in here because we are populating        // a part of the tree          var refValue = gSubscribeTree.getAttribute('ref');        if (!refValue) {            //dump("root subscribe tree at: "+ gServerURI +"\n");            gSubscribeTree.database.AddDataSource(subscribeDS);            gSubscribeTree.setAttribute('ref',gServerURI);        }	}};function SetUpTree(forceToServer){	//dump("SetUpTree()\n");		gStatusBar = document.getElementById('statusbar-icon');	if (!gServerURI) return;	var folder = GetMsgFolderFromUri(gServerURI, true);	var server = folder.server;	try {          CleanUpSearchView();          gSubscribableServer = server.QueryInterface(Components.interfaces.nsISubscribableServer);          gSubscribeTree.setAttribute('ref',null);          // enable (or disable) the search related UI          EnableSearchUI();          // clear out the text field when switching server          gNameField.value = "";          // since there is no text, switch to the non-search view...          SwitchToNormalView();          gSubscribeTree.database.RemoveDataSource(subscribeDS);          gSubscribableServer.subscribeListener = MySubscribeListener;          gStatusFeedback._startMeteors();          gStatusFeedback.showStatusString(gSubscribeBundle.getString("pleaseWaitString"));          gSubscribableServer.startPopulating(msgWindow, forceToServer);	}	catch (ex) {          //dump("failed to populate subscribe ds: " + ex + "\n");	}}function SubscribeOnUnload(){  try {    CleanUpSearchView();    gSubscribeTree.database.RemoveDataSource(subscribeDS);  }  catch (ex) {    dump("failed to remove the subscribe ds: " + ex + "\n");  }}function EnableSearchUI(){  if (gSubscribableServer.supportsSubscribeSearch) {    gNameField.removeAttribute('disabled');    gNameFieldLabel.removeAttribute('disabled');  }  else {    gNameField.setAttribute('disabled',true);    gNameFieldLabel.setAttribute('disabled',true);  }}function SubscribeOnLoad(){  //dump("SubscribeOnLoad()\n");  gSubscribeBundle = document.getElementById("bundle_subscribe");  gMessengerBundle = document.getElementById("bundle_messenger");	  gSubscribeTree = document.getElementById("subscribeTree");  gSearchTree = document.getElementById("searchTree");  gSearchTreeBoxObject = document.getElementById("searchTree").treeBoxObject;  gNameField = document.getElementById("namefield");  gNameFieldLabel = document.getElementById("namefieldlabel");  gSubscribeDeck = document.getElementById("subscribedeck");  msgWindow = Components.classes[msgWindowContractID].createInstance(Components.interfaces.nsIMsgWindow);  msgWindow.statusFeedback = gStatusFeedback;  msgWindow.SetDOMWindow(window);  msgWindow.rootDocShell.allowAuth = true;	// look in arguments[0] for parameters	if (window.arguments && window.arguments[0]) {		if ( window.arguments[0].okCallback ) {			top.okCallback = window.arguments[0].okCallback;		}	}		gServerURI = null;	if (window.arguments[0].preselectedURI) {		var uri = window.arguments[0].preselectedURI;		//dump("subscribe: got a uri," + uri + "\n");		var folder = GetMsgFolderFromUri(uri, true);		//dump("folder="+folder+"\n");		//dump("folder.server="+folder.server+"\n");		try {                        CleanUpSearchView();			gSubscribableServer = folder.server.QueryInterface(Components.interfaces.nsISubscribableServer);                        // enable (or disable) the search related UI                        EnableSearchUI();			gServerURI = folder.server.serverURI;		}		catch (ex) {			//dump("not a subscribable server\n");                        CleanUpSearchView();			gSubscribableServer = null;			gServerURI = null;		}	}	if (!gServerURI) {		//dump("subscribe: no uri\n");		//dump("xxx todo:  use the default news server.  right now, I'm just using the first server\n");		var serverMenu = document.getElementById("serverMenu");		var menuitems = serverMenu.getElementsByTagName("menuitem");				if (menuitems.length > 1) {			gServerURI = menuitems[1].id;		}		else {			//dump("xxx todo none of your servers are subscribable\n");			//dump("xxx todo fix this by disabling subscribe if no subscribable server or, add a CREATE SERVER button, like in 4.x\n");			return;		}	}	SetUpServerMenu();  SetUpTree(false);  gNameField.focus();}function subscribeOK(){	//dump("in subscribeOK()\n")	if (top.okCallback) {		top.okCallback(top.gChangeTable);	}	Stop();	if (gSubscribableServer) {		gSubscribableServer.subscribeCleanup();	}	return true;}function subscribeCancel(){  Stop();  if (gSubscribableServer) {    gSubscribableServer.subscribeCleanup();  }  return true;}function SetState(name,state){  var changed = gSubscribableServer.setState(name, state);  if (changed)    StateChanged(name,state);}function changeTableRecord(server, name, state) {  this.server = server;  this.name = name;  this.state = state;}function StateChanged(name,state){  if (gServerURI in gChangeTable) {    if (name in gChangeTable[gServerURI]) {      var oldValue = gChangeTable[gServerURI][name];      if (oldValue != state)        delete gChangeTable[gServerURI][name];    }    else {      gChangeTable[gServerURI][name] = state;    }  }  else {    gChangeTable[gServerURI] = {};    gChangeTable[gServerURI][name] = state;  }}function InSearchMode(){    // search is the second card in the deck    return (gSubscribeDeck.getAttribute("selectedIndex") == "1");}function SearchOnClick(event){  // we only care about button 0 (left click) events  if (event.button != 0 || event.originalTarget.localName != "treechildren") return;  var row = {}, col = {}, childElt = {};  gSearchTreeBoxObject.getCellAt(event.clientX, event.clientY, row, col, childElt);  if (row.value == -1 || row.value > gSearchView.rowCount-1)    return;  if (col.value.id == "subscribedColumn2") {    if (event.detail != 2) {      // single clicked on the check box       // (in the "subscribedColumn2" column) reverse state      // if double click, do nothing      ReverseStateFromRow(row.value);    }  } else if (event.detail == 2) {    // double clicked on a row, reverse state    ReverseStateFromRow(row.value);  }  // invalidate the row  InvalidateSearchTreeRow(row.value);}function ReverseStateFromRow(row){    // to determine if the row is subscribed or not,    // we get the properties for the "subscribedColumn2" cell in the row    // and look for the "subscribed" property    // if the "subscribed" atom is in the list of properties    // we are subscribed    var properties = Components.classes["@mozilla.org/supports-array;1"].createInstance(Components.interfaces.nsISupportsArray);    var col = gSearchTree.columns["subscribedColumn2"];    gSearchView.getCellProperties(row, col, properties);    var isSubscribed = (properties.GetIndexOf(gSubscribedAtom) != -1);    SetStateFromRow(row, !isSubscribed);}function SetStateFromRow(row, state){    var col = gSearchTree.columns["nameColumn2"];    var name = gSearchView.getCellText(row, col);    SetState(name, state);}function SetSubscribeState(state){  try {    // we need to iterate over the tree selection, and set the state for     // all rows in the selection    var inSearchMode = InSearchMode();    var view = inSearchMode ? gSearchView : gSubscribeTree.view;    var colId = inSearchMode ? "nameColumn2" : "nameColumn";        var sel = view.selection;    for (var i = 0; i < sel.getRangeCount(); ++i) {      var start = {}, end = {};      sel.getRangeAt(i, start, end);      for (var k = start.value; k <= end.value; ++k) {        if (inSearchMode)          SetStateFromRow(k, state);        else {          var rowRes = gSubscribeTree.builderView.getResourceAtIndex(k);          var name = GetRDFProperty(rowRes, "Name");          SetState(name, state);        }      }    }        if (inSearchMode) {      // force a repaint      InvalidateSearchTree();    }  }  catch (ex) {    dump("SetSubscribedState failed:  " + ex + "\n");  }}function ReverseStateFromNode(row){  var rowRes = gSubscribeTree.builderView.getResourceAtIndex(row);  var isSubscribed = GetRDFProperty(rowRes, "Subscribed");  var name = GetRDFProperty(rowRes, "Name");  SetState(name, isSubscribed != "true");}function GetRDFProperty(aRes, aProp){  var propRes = RDF.GetResource("http://home.netscape.com/NC-rdf#"+aProp);  var valueRes = gSubscribeTree.database.GetTarget(aRes, propRes, true);  return valueRes ? valueRes.QueryInterface(Components.interfaces.nsIRDFLiteral).Value : null;}function SubscribeOnClick(event){  // we only care about button 0 (left click) events  if (event.button != 0 || event.originalTarget.localName != "treechildren")   return;   var row = {}, col = {}, obj = {};  gSubscribeTree.treeBoxObject.getCellAt(event.clientX, event.clientY, row, col, obj);  if (row.value == -1 || row.value > (gSubscribeTree.view.rowCount - 1))    return;  if (event.detail == 2) {    // only toggle subscribed state when double clicking something    // that isn't a container    if (!gSubscribeTree.view.isContainer(row.value)) {      ReverseStateFromNode(row.value);      return;    }   }  else if (event.detail == 1)  {    if (obj.value == "twisty") {        if (gSubscribeTree.view.isContainerOpen(row.value)) {          var uri = gSubscribeTree.builderView.getResourceAtIndex(row.value).Value;          gStatusFeedback._startMeteors();          gStatusFeedback.showStatusString(gSubscribeBundle.getString("pleaseWaitString"));          gSubscribableServer.startPopulatingWithUri(msgWindow, true /* force to server */, uri);        }    }    else {      // if the user single clicks on the subscribe check box, we handle it here      if (col.value.id == "subscribedColumn")        ReverseStateFromNode(row.value);    }  }}function Refresh(){        // clear out the textfield's entry on call of Refresh()        gNameField.value = "";        // force it to talk to the server        SetUpTree(true);}function InvalidateSearchTreeRow(row){    gSearchTreeBoxObject.invalidateRow(row);}function InvalidateSearchTree(){    gSearchTreeBoxObject.invalidate();}function SwitchToNormalView(){  // the first card in the deck is the "normal" view  gSubscribeDeck.setAttribute("selectedIndex","0");}function SwitchToSearchView(){  // the second card in the deck is the "search" view  gSubscribeDeck.setAttribute("selectedIndex","1");}function Search(){  var searchValue = gNameField.value;  if (searchValue.length && gSubscribableServer.supportsSubscribeSearch) {    SwitchToSearchView();    gSubscribableServer.setSearchValue(searchValue);    if (!gSearchView && gSubscribableServer) {    gSearchView = gSubscribableServer.QueryInterface(Components.interfaces.nsITreeView);      gSearchView.selection = null;    gSearchTreeBoxObject.view = gSearchView;  }  }  else {    SwitchToNormalView();  }}function CleanUpSearchView(){  if (gSearchView) {    gSearchView.selection = null;    gSearchView = null;  }}function onSearchTreeKeyPress(event){  // for now, only do something on space key  if (event.charCode != KeyEvent.DOM_VK_SPACE)    return;  var treeSelection = gSearchView.selection;   for (var i=0;i<treeSelection.getRangeCount();i++) {    var start = {}, end = {};    treeSelection.getRangeAt(i,start,end);    for (var k=start.value;k<=end.value;k++)      ReverseStateFromRow(k);    // force a repaint    InvalidateSearchTree();  }}function onSubscribeTreeKeyPress(event){  // for now, only do something on space key  if (event.charCode != KeyEvent.DOM_VK_SPACE)    return;  var treeSelection = gSubscribeTree.view.selection;   for (var i=0;i<treeSelection.getRangeCount();i++) {    var start = {}, end = {};    treeSelection.getRangeAt(i,start,end);    for (var k=start.value;k<=end.value;k++)      ReverseStateFromNode(k);  }}function doHelpButton() {  openHelp("mail-subscribe");}