move counters processing to different xmlhttp object

themes/compat/theme.css

@@ -112,6 +112,7 @@ div.postReply {
 	background-repeat : repeat-x;
 	height : 100%;
 	padding : 10px;
+	margin-left : 1px;
 }
 
 div.postReply a {
@@ -907,3 +908,100 @@ div.cdmContent a:hover {
 	color : black;
 }
 
+/* layout */
+
+#header {
+	position : absolute;
+	white-space: nowrap;
+	top : 10px;
+	left : 15px;
+	right : 5px;
+	height : 40px;
+	color : gray;
+	font-size : x-small;
+}
+
+#feeds-holder {
+	border-width : 1px 1px 1px 0px;
+	border-style : solid;
+	border-color : #c0c0c0;
+	top : 70px;
+	left : 0px;
+	position : absolute;
+	width : 260px;
+	overflow : auto;
+	bottom : 50px;
+}
+
+#toolbar {
+	position : absolute;
+	left : 261px;
+	padding : 5px 10px 5px 10px;
+	top : 70px;
+	right : 0px;
+	white-space: nowrap;
+	height : 30px;
+	background-image : url("images/vgrad_light.png");
+	background-position : bottom left;
+	background-repeat : repeat-x;
+	font-size : small;
+}
+
+div.headlines_normal {
+	position : absolute;
+	border-width : 1px 0px 0px 0px;
+	border-style : solid;
+	border-color : #c0c0c0;
+	left : 260px;
+	height : 280px;
+	top : 105px;
+	right : 0px;
+	overflow : auto;
+	font-size : small;
+}
+
+div.headlines_cdm {
+	position : absolute;
+	border-width : 1px 0px 1px 0px;
+	border-style : solid;
+	border-color : #c0c0c0;
+	left : 260px;
+	bottom : 50px;
+	top : 105px;
+	right : 0px;
+	overflow : auto;
+	font-size : small;
+}
+
+#content-frame {
+	position : absolute;
+	border-width : 1px 0px 1px 0px;
+	border-style : solid;
+	border-color : #c0c0c0;
+	overflow : auto;
+	top : 390px;
+	left : 260px;
+	bottom : 50px;
+	right : 0px;
+}
+
+#footer {
+	position : absolute;
+	bottom : 0px;
+	height : 30px;
+	text-align : center;
+	color : gray;
+	font-size : x-small;
+	background-image : url("images/vgrad_light_rev2.png");
+	background-position : top left;
+	background-repeat : repeat-x; 
+	background-color : white;
+	right : 0px;
+	left : 0px;
+	padding : 10px;
+}
+
+#headlinesContainer {
+	margin-left : 1px;
+	background-color : white;
+}

tt-rss.css

@@ -1234,6 +1234,7 @@ div.loadingPrompt {
 div.whiteBox {
 	background-color : white;
 	margin-left : 1px;
+	text-align : center;
 }
 
 /* layout */

tt-rss.js

@@ -16,6 +16,7 @@ var active_feed_is_cat = false;
 var number_of_feeds = 0;
 
 var xmlhttp = Ajax.getTransport();
+var xmlhttp_ctr = Ajax.getTransport();
 
 var init_params = new Object();
 
@@ -36,25 +37,33 @@ function toggleTags() {
 function dlg_frefresh_callback() {
 	if (xmlhttp.readyState == 4) {		
 		notify(xmlhttp.responseText);
+
+		if (getActiveFeedId() == _qfd_deleted_feed) {
+			var h = document.getElementById("headlines-frame");
+			if (h) {
+				h.innerHTML = "<div class='whiteBox'>No feed selected.</div>";
+			}
+		}
+
 		setTimeout('updateFeedList(false, false)', 50);
 		closeInfoBox();
 	} 
 }
 
 function refetch_callback() {
-	if (xmlhttp.readyState == 4) {
+	if (xmlhttp_ctr.readyState == 4) {
 		try {
 
 			var date = new Date();
 
 			last_refetch = date.getTime() / 1000;
 
-			if (!xmlhttp.responseXML) {
+			if (!xmlhttp_ctr.responseXML) {
 				notify("refetch_callback: backend did not return valid XML", true, true);
 				return;
 			}
 		
-			var reply = xmlhttp.responseXML.firstChild;
+			var reply = xmlhttp_ctr.responseXML.firstChild;
 	
 			if (!reply) {
 				notify("refetch_callback: backend did not return expected XML object", true, true);
@@ -175,19 +184,19 @@ function scheduleFeedUpdate(force) {
 
 	var date = new Date();
 
-	if (!xmlhttp_ready(xmlhttp) && last_refetch < date.getTime() / 1000 - 60) {
+	if (!xmlhttp_ready(xmlhttp_ctr) && last_refetch < date.getTime() / 1000 - 60) {
 		debug("<b>xmlhttp seems to be stuck, aborting</b>");
-		xmlhttp.abort();
+		xmlhttp_ctr.abort();
 	}
 
 	debug("REFETCH query: " + query_str);
 
-	if (xmlhttp_ready(xmlhttp)) {
-		xmlhttp.open("GET", query_str, true);
-		xmlhttp.onreadystatechange=refetch_callback;
-		xmlhttp.send(null);
+	if (xmlhttp_ready(xmlhttp_ctr)) {
+		xmlhttp_ctr.open("GET", query_str, true);
+		xmlhttp_ctr.onreadystatechange=refetch_callback;
+		xmlhttp_ctr.send(null);
 	} else {
-		debug("xmlhttp busy");
+		debug("xmlhttp_ctr busy");
 		//printLockingError();
 	}   
 }

viewfeed.js

@@ -1,7 +1,5 @@
 var active_post_id = false;
 
-//var xmlhttp_rpc = Ajax.getTransport();
-
 function headlines_callback() {
 	if (xmlhttp.readyState == 4) {
 		debug("headlines_callback");
@@ -54,8 +52,6 @@ function view(id, feed_id) {
 		var query = "backend.php?op=view&id=" + param_escape(id) +
 			"&feed=" + param_escape(feed_id);
 
-		xmlhttp.abort();
-
 		if (xmlhttp_ready(xmlhttp)) {
 			xmlhttp.open("GET", query, true);
 			xmlhttp.onreadystatechange=article_callback;