display special dialog when new articles are available in the current feed instead of reloading it

feedlist.js

@@ -157,7 +157,7 @@ function viewfeed(feed, subop, is_cat, subop_param, skip_history, offset) {
 		}
 
 		enableHotkeys();
-
+		hideAuxDlg();
 		closeInfoBox();
 
 		Form.enable("main_toolbar_form");

functions.js

@@ -532,7 +532,7 @@ function parse_counters(reply, scheduled_call) {
 			if (feedctr && feedu && feedr) {
 
 				if (feedu.innerHTML != ctr && id == getActiveFeedId() && scheduled_call) {
-					viewCurrentFeed();
+					displayNewContentPrompt(id);
 				}
 
 				var row_needs_hl = (ctr > 0 && ctr > parseInt(feedu.innerHTML));
@@ -2194,4 +2194,25 @@ function hotkey_prefix_timeout() {
 	}
 }
 
+function hideAuxDlg() {
+	try {
+		Element.hide('auxDlg');
+	} catch (e) {
+		exception_error("hideAuxDlg", e);
+	}
+}
 
+function displayNewContentPrompt(id) {
+	try {
+		var msg = __("New articles in &laquo;%s&raquo;. <a href='#' onclick='viewCurrentFeed()'>Click to view</a>.");
+
+		msg = msg.replace("%s", getFeedName(id));
+
+		$('auxDlg').innerHTML = msg;
+
+		Element.show('auxDlg');
+
+	} catch (e) {
+		exception_error("displayNewContentPrompt", e);
+	}
+}

tt-rss.css

@@ -2238,3 +2238,21 @@ div#cmdline {
 	height : 18px;
 	width : 18px;
 }
+
+div#auxDlg {
+	position : absolute;
+	z-index : 3;
+	bottom : 10px;
+	right : 10px;
+	padding : 5px;
+	border-width : 1px;
+	border-style : solid;
+	border-color : #d7c47a;
+	background-color : #fff7d5;
+	color : black;
+	text-align : center;
+}
+
+div#auxDlg a {
+	color : #4684ff;
+}

tt-rss.php

@@ -105,6 +105,7 @@ window.onload = init;
 <div id="infoBoxShadow" style="display : none"><div id="infoBox">&nbsp;</div></div>
 
 <div id="cmdline" style="display : none"></div>
+<div id="auxDlg" style="zdisplay : none"></div>
 
 <div id="errorBoxShadow" style="display : none">
 	<div id="errorBox">