get rid of vf_hreadf cookie, move data to init-param

backend.php

@@ -102,11 +102,6 @@
 	}
 
 	if ($_SESSION["uid"]) {
-		if (get_pref($link, "HIDE_READ_FEEDS") == "true") {
-			setcookie("ttrss_vf_hreadf", 1);
-		} else {
-			setcookie("ttrss_vf_hreadf", 0);
-		}  
 
 //		setcookie('ttrss_vf_refresh', FEEDS_FRAME_REFRESH);
 //		setcookie('ttrss_vf_daemon', ENABLE_UPDATE_DAEMON);

feedlist.js

@@ -189,10 +189,8 @@ function toggleCollapseCat(cat) {
 			}
 		}
 
-		xmlhttp_rpc.open("GET", "backend.php?op=feeds&subop=collapse&cid=" + 
-			param_escape(cat), true);
-		xmlhttp_rpc.onreadystatechange=rpc_pnotify_callback;
-		xmlhttp_rpc.send(null);
+		new Ajax.Request("backend.php?op=feeds&subop=collapse&cid=" + 
+			param_escape(cat));
 
 	} catch (e) {
 		exception_error("toggleCollapseCat", e);
@@ -206,7 +204,7 @@ function init() {
 		
 		parent.debug("in feedlist init");
 		
-		hideOrShowFeeds(document, getCookie("ttrss_vf_hreadf") == 1);
+		hideOrShowFeeds(document, getInitParam("hide_read_feeds") == 1);
 		document.onkeydown = hotkey_handler;
 		parent.setTimeout("timeout()", 0);
 

functions.js

@@ -783,7 +783,7 @@ function getRelativeFeedId(list, id, direction, unread_only) {
 					}
 				} else if (child.id.match("FEEDR-")) {
 				
-					if (getCookie("ttrss_vf_hreadf") == 1) {
+					if (getInitParam("hide_read_feeds") == 1) {
 						if (child.className != "feed") {
 							alert(child.className);
 							return child.id.replace('FEEDR-', '');						
@@ -798,7 +798,7 @@ function getRelativeFeedId(list, id, direction, unread_only) {
 	
 		var feed = list.ownerDocument.getElementById("FEEDR-" + getActiveFeedId());
 		
-		if (getCookie("ttrss_vf_hreadf") == 1) {
+		if (getInitParam("hide_read_feeds") == 1) {
 			unread_only = true;
 		}
 
@@ -1098,11 +1098,13 @@ function getInitParam(key) {
 }
 
 // TODO: batch mode
-function storeInitParam(key, value) {
+function storeInitParam(key, value, is_client) {
 	try {
 		getMainContext().init_params[key] = value;
-		new Ajax.Request("backend.php?op=rpc&subop=storeParam&key=" + 
-			param_escape(key) + "&value=" + param_escape(value));		
+		if (!is_client) {
+			new Ajax.Request("backend.php?op=rpc&subop=storeParam&key=" + 
+				param_escape(key) + "&value=" + param_escape(value));	
+		}
 	} catch (e) {
 		exception_error("storeInitParam", e);
 	}

functions.php

@@ -1713,6 +1713,9 @@
 		print "<param key=\"on_catchup_show_next_feed\" value=\"" . 
 			get_pref($link, "ON_CATCHUP_SHOW_NEXT_FEED") . "\"/>";
 
+		print "<param key=\"hide_read_feeds\" value=\"" . 
+			sprintf("%d", get_pref($link, "HIDE_READ_FEEDS")) . "\"/>";
+
 		print "</init-params>";
 	}
 ?>

tt-rss.js

@@ -44,31 +44,6 @@ function dlg_frefresh_callback() {
 	} 
 }
 
-function hide_unread_callback() {
-	if (xmlhttp.readyState == 4) {
-
-		try {
-
-			var reply = xmlhttp.responseXML.firstChild.firstChild;
-			var value = reply.getAttribute("value");
-			var hide_read_feeds = (value != "false")
-			var feeds_doc = window.frames["feeds-frame"].document;
-	
-			hideOrShowFeeds(feeds_doc, hide_read_feeds);
-	
-			if (hide_read_feeds) {
-				setCookie("ttrss_vf_hreadf", 1);
-			} else {
-				setCookie("ttrss_vf_hreadf", 0);
-			} 
-
-		} catch (e) {
-			exception_error("hide_unread_callback", e);
-		}
-
-	} 
-}
-
 function refetch_callback() {
 	if (xmlhttp.readyState == 4) {
 		try {
@@ -563,16 +538,20 @@ function toggleDispRead() {
 			return
 		}
 
-		var hide_read_feeds = (getCookie("ttrss_vf_hreadf") == 1);
+		var hide_read_feeds = (getInitParam("hide_read_feeds") == "1");
 
 		hide_read_feeds = !hide_read_feeds;
-	
+
+		debug("toggle_disp_read => " + hide_read_feeds);
+
+		hideOrShowFeeds(getFeedsContext().document, hide_read_feeds);
+
 		var query = "backend.php?op=rpc&subop=setpref" +
 			"&key=HIDE_READ_FEEDS&value=" + param_escape(hide_read_feeds);
 
-		xmlhttp.open("GET", query);
-		xmlhttp.onreadystatechange=hide_unread_callback;
-		xmlhttp.send(null);
+		storeInitParam("hide_read_feeds", hide_read_feeds, true);
+
+		new Ajax.Request(query);
 		
 	} catch (e) {
 		exception_error("toggleDispRead", e);