]> git.wh0rd.org - tt-rss.git/blobdiff - functions.js
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[tt-rss.git] / functions.js
index a33302063ad9e5945d9fc5a9871d0fd84983a748..c37a7812c60e87c284ca09911370be31b0335e76 100644 (file)
@@ -1,6 +1,7 @@
 var hotkeys_enabled = true;
 var debug_mode_enabled = false;
 var xmlhttp_rpc = Ajax.getTransport();
+var notify_silent = false;
 
 /* add method to remove element from array */
 
@@ -64,56 +65,41 @@ function xmlhttp_ready(obj) {
        return obj.readyState == 4 || obj.readyState == 0 || !obj.readyState;
 }
 
-function open_article_callback() {
-       if (xmlhttp_rpc.readyState == 4) {
-               try {
+function open_article_callback(transport) {
+       try {
+
+               if (transport.responseXML) {
+                       
+                       var link = transport.responseXML.getElementsByTagName("link")[0];
+                       var id = transport.responseXML.getElementsByTagName("id")[0];
+
+                       debug("open_article_callback, received link: " + link);
+
+                       if (link && id) {
 
-                       if (xmlhttp_rpc.responseXML) {
-                               var link = xmlhttp_rpc.responseXML.getElementsByTagName("link")[0];
-                               var id = xmlhttp_rpc.responseXML.getElementsByTagName("id")[0];
+                               var wname = "ttrss_article_" + id.firstChild.nodeValue;
 
-                               if (link) {
-                                       window.open(link.firstChild.nodeValue, "_blank");
+                               debug("link url: " + link.firstChild.nodeValue + ", wname " + wname);
 
-                                       if (id) {
-                                               id = id.firstChild.nodeValue;
-                                               if (!document.getElementById("headlinesList")) {
-                                                       window.setTimeout("toggleUnread(" + id + ", 0)", 100);
-                                               }
+                               var w = window.open(link.firstChild.nodeValue, wname);
+
+                               if (!w) { notify_error("Failed to load article in new window"); }
+
+                               if (id) {
+                                       id = id.firstChild.nodeValue;
+                                       if (!document.getElementById("headlinesList")) {
+                                               window.setTimeout("toggleUnread(" + id + ", 0)", 100);
                                        }
                                }
+                       } else {
+                               notify_error("Can't open article: received invalid article link");
                        }
-
-               } catch (e) {
-                       exception_error("open_article_callback", e);
-               }
-       }
-}
-
-function logout_callback() {
-       var container = document.getElementById('notify');
-       if (xmlhttp.readyState == 4) {
-               try {
-                       var date = new Date();
-                       var timestamp = Math.round(date.getTime() / 1000);
-                       window.location.href = "tt-rss.php";
-               } catch (e) {
-                       exception_error("logout_callback", e);
+               } else {
+                       notify_error("Can't open article: received invalid XML");
                }
-       }
-}
 
-function notify_callback() {
-       var container = document.getElementById('notify');
-       if (xmlhttp.readyState == 4) {
-               container.innerHTML=xmlhttp.responseText;
-       }
-}
-
-function rpc_notify_callback() {
-       var container = document.getElementById('notify');
-       if (xmlhttp_rpc.readyState == 4) {
-               container.innerHTML=xmlhttp_rpc.responseText;
+       } catch (e) {
+               exception_error("open_article_callback", e);
        }
 }
 
@@ -149,8 +135,17 @@ function hide_notify() {
        }
 } 
 
+function notify_silent_next() {
+       notify_silent = true;
+}
+
 function notify_real(msg, no_hide, n_type) {
 
+       if (notify_silent) {
+               notify_silent = false;
+               return;
+       }
+
        var n = document.getElementById("notify");
        var nb = document.getElementById("notify_body");
 
@@ -189,10 +184,10 @@ function notify_real(msg, no_hide, n_type) {
                msg = "<img src='images/indicator_white.gif'> " + msg;
        } else if (n_type == 3) {
                n.className = "notifyError";
-               msg = "<img src='images/sign_excl.png'> " + msg;
+               msg = "<img src='images/sign_excl.gif'> " + msg;
        } else if (n_type == 4) {
                n.className = "notifyInfo";
-               msg = "<img src='images/sign_info.png'> " + msg;
+               msg = "<img src='images/sign_info.gif'> " + msg;
        }
 
 //     msg = "<img src='images/live_com_loading.gif'> " + msg;
@@ -225,153 +220,6 @@ function printLockingError() {
        notify_info("Please wait until operation finishes.");
 }
 
-function hotkey_handler(e) {
-
-       try {
-
-               var keycode;
-               var shift_key = false;
-
-               try {
-                       shift_key = e.shiftKey;
-               } catch (e) {
-
-               }
-       
-               if (!hotkeys_enabled) return;
-       
-               if (window.event) {
-                       keycode = window.event.keyCode;
-               } else if (e) {
-                       keycode = e.which;
-               }
-
-               if (keycode == 82) { // r
-                       return scheduleFeedUpdate(true);
-               }
-
-               if (keycode == 83) { // s
-                       return displayDlg("search", getActiveFeedId());
-               }
-
-               if (keycode == 85) { // u
-                       if (getActiveFeedId()) {
-                               return viewfeed(getActiveFeedId(), "ForceUpdate");
-                       }
-               }
-       
-               if (keycode == 65) { // a
-                       return toggleDispRead();
-               }
-       
-               var feedlist = document.getElementById('feedList');
-       
-               if (keycode == 74) { // j
-                       var feed = getActiveFeedId();
-                       var new_feed = getRelativeFeedId(feedlist, feed, 'prev');
-                       if (new_feed) viewfeed(new_feed, '');
-               }
-       
-               if (keycode == 75) { // k
-                       var feed = getActiveFeedId();
-                       var new_feed = getRelativeFeedId(feedlist, feed, 'next');
-                       if (new_feed) viewfeed(new_feed, '');
-               }
-
-               if (keycode == 78 || keycode == 40) { // n, down
-                       if (typeof moveToPost != 'undefined') {
-                               return moveToPost('next');
-                       }
-               }
-       
-               if (keycode == 80 || keycode == 38) { // p, up
-                       if (typeof moveToPost != 'undefined') {
-                               return moveToPost('prev');
-                       }
-               }
-               
-               if (keycode == 68 && shift_key) { // d
-                       if (!debug_mode_enabled) {
-                               document.getElementById('debug_output').style.display = 'block';
-                               debug('debug mode activated');
-                       } else {
-                               document.getElementById('debug_output').style.display = 'none';
-                       }
-
-                       debug_mode_enabled = !debug_mode_enabled;
-               }
-
-               if (keycode == 190 && shift_key) { // >
-                       viewFeedGoPage(1);
-               }
-               
-               if (keycode == 188 && shift_key) { // <
-                       viewFeedGoPage(-1);
-               }
-
-               if (keycode == 191 && shift_key) { // ?
-                       viewFeedGoPage(0);
-               }
-
-               if (keycode == 69 && shift_key) { // e
-                       return editFeedDlg(getActiveFeedId());
-               }
-
-               if (keycode == 70 && shift_key) { // f
-                       if (getActiveFeedId()) {
-                               return catchupCurrentFeed();
-                       }
-               }
-
-               if (keycode == 80 && shift_key) { // p 
-                       if (getActiveFeedId()) {
-                               return catchupPage();
-                       }
-               }
-
-               if (keycode == 86) { // v
-                       if (getActiveArticleId()) {
-                               openArticleInNewWindow(getActiveArticleId());
-                       }
-               }
-
-               if (keycode == 84) { // t
-
-                       var id = getActiveArticleId();
-
-                       if (id) {                               
-
-                               var cb = document.getElementById("RCHK-" + id);
-
-                               if (cb) {
-                                       cb.checked = !cb.checked;
-                                       toggleSelectRowById(cb, "RROW-" + id);
-                               }
-                       }
-               }
-
-               if (keycode == 67) { // c
-                       var id = getActiveArticleId();
-
-                       if (id) {                               
-                               toggleUnread(id, 0);
-                       }
-               }
-
-               if (typeof localHotkeyHandler != 'undefined') {
-                       try {
-                               return localHotkeyHandler(e);
-                       } catch (e) {
-                               exception_error("hotkey_handler, local:", e);
-                       }
-               }
-
-               debug("KP=" + keycode);
-       } catch (e) {
-               exception_error("hotkey_handler", e);
-       }
-}
-
 function cleanSelectedList(element) {
        var content = document.getElementById(element);
 
@@ -438,13 +286,23 @@ function getVisibleHeadlineIds() {
 }
 
 function getFirstVisibleHeadlineId() {
-       var rows = getVisibleHeadlineIds();
-       return rows[0];
+       if (isCdmMode()) {
+               var rows = cdmGetVisibleArticles();
+               return rows[0];
+       } else {
+               var rows = getVisibleHeadlineIds();
+               return rows[0];
+       }
 }
 
 function getLastVisibleHeadlineId() {
-       var rows = getVisibleHeadlineIds();
-       return rows[rows.length-1];
+       if (isCdmMode()) {
+               var rows = cdmGetVisibleArticles();
+               return rows[rows.length-1];
+       } else {
+               var rows = getVisibleHeadlineIds();
+               return rows[rows.length-1];
+       }
 }
 
 function markHeadline(id) {
@@ -615,25 +473,18 @@ function parse_counters(reply, scheduled_call) {
 
                var feeds_found = 0;
 
-               if (reply.firstChild && reply.firstChild.firstChild) {
-                       debug("<b>wrong element passed to parse_counters, adjusting.</b>");
-                       reply = reply.firstChild;
-               }
+               var elems = reply.getElementsByTagName("counter");
 
-               for (var l = 0; l < reply.childNodes.length; l++) {
-                       if (!reply.childNodes[l] ||
-                               typeof(reply.childNodes[l].getAttribute) == "undefined") {
-                               // where did this come from?
-                               continue;
-                       }
+               for (var l = 0; l < elems.length; l++) {
 
-                       var id = reply.childNodes[l].getAttribute("id");
-                       var t = reply.childNodes[l].getAttribute("type");
-                       var ctr = reply.childNodes[l].getAttribute("counter");
-                       var error = reply.childNodes[l].getAttribute("error");
-                       var has_img = reply.childNodes[l].getAttribute("hi");
-                       var updated = reply.childNodes[l].getAttribute("updated");
-       
+                       var id = elems[l].getAttribute("id");
+                       var t = elems[l].getAttribute("type");
+                       var ctr = elems[l].getAttribute("counter");
+                       var error = elems[l].getAttribute("error");
+                       var has_img = elems[l].getAttribute("hi");
+                       var updated = elems[l].getAttribute("updated");
+                       var title = elems[l].getAttribute("title");
+               
                        if (id == "global-unread") {
                                global_unread = ctr;
                                updateTitle();
@@ -687,6 +538,10 @@ function parse_counters(reply, scheduled_call) {
                                }
                        }
 
+                       if (feedlink && title) {
+                               feedlink.innerHTML = title;
+                       }
+
                        if (feedctr && feedu && feedr) {
 
                                if (feedu.innerHTML != ctr && id == getActiveFeedId() && scheduled_call) {
@@ -720,7 +575,8 @@ function parse_counters(reply, scheduled_call) {
                                        }
 
                                        if (row_needs_hl) { 
-                                               new Effect.Highlight(feedr, {duration: 1, startcolor: "#fff7d5"});
+                                               new Effect.Highlight(feedr, {duration: 1, startcolor: "#fff7d5",
+                                                       queue: { position:'end', scope: 'EFQ-' + id, limit: 1 } } );
                                        }
                                } else {
                                        feedctr.className = "invisible";
@@ -749,14 +605,14 @@ function parse_counters(reply, scheduled_call) {
        }
 }
 
-function parse_counters_reply(xmlhttp, scheduled_call) {
+function parse_counters_reply(transport, scheduled_call) {
 
-       if (!xmlhttp.responseXML) {
+       if (!transport.responseXML) {
                notify_error("Backend did not return valid XML", true);
                return;
        }
 
-       var reply = xmlhttp.responseXML.firstChild;
+       var reply = transport.responseXML.firstChild;
        
        if (!reply) {
                notify_error("Backend did not return expected XML object", true);
@@ -798,41 +654,23 @@ function parse_counters_reply(xmlhttp, scheduled_call) {
 
 }
 
-function all_counters_callback() {
-       if (xmlhttp_rpc.readyState == 4) {
-               try {
-/*                     if (!xmlhttp_rpc.responseXML || !xmlhttp_rpc.responseXML.firstChild) {
-                               debug("[all_counters_callback] backend did not return valid XML");
-                               return;
-                       }
-
-                       debug("in all_counters_callback : " + xmlhttp_rpc.responseXML);
-
-                       var reply = xmlhttp_rpc.responseXML.firstChild;
-
-                       var counters = reply.firstChild;
-
-                       parse_counters(counters);
-
-                       var runtime = counters.nextSibling;
-
-                       if (runtime) {
-                               parse_runtime_info(runtime);
-                       }
-
-                       if (getInitParam("feeds_sort_by_unread") == 1) {
-                               resort_feedlist();              
-                       }       
-
-                       hideOrShowFeeds(document, getInitParam("hide_read_feeds") == 1); */
-                       
-                       debug("in all_counters_callback");
+function all_counters_callback2(transport) {
+       try {
+               debug("<b>all_counters_callback2 IN: " + transport + "</b>");
+               parse_counters_reply(transport);
+               debug("<b>all_counters_callback2 OUT: " + transport + "</b>");
 
-                       parse_counters_reply(xmlhttp_rpc);
+       } catch (e) {
+               exception_error("all_counters_callback2", e);
+       }
+}
 
-               } catch (e) {
-                       exception_error("all_counters_callback", e);
-               }
+function get_feed_unread(id) {
+       try {
+               return parseInt(document.getElementById("FEEDU-" + id).innerHTML);      
+       } catch (e) {
+               exception_error("get_feed_unread", e, true);
+               return -1;
        }
 }
 
@@ -905,38 +743,6 @@ function resort_feedlist() {
        }
 }
 
-function update_all_counters(feed) {
-       if (xmlhttp_ready(xmlhttp_rpc)) {
-               var query = "backend.php?op=rpc&subop=getAllCounters";
-
-               if (feed > 0) {
-                       query = query + "&aid=" + feed;
-               }
-
-               if (tagsAreDisplayed()) {
-                       query = query + "&omode=lt";
-               } else {
-                       query = query + "&omode=flc";
-               }
-
-               debug("update_all_counters QUERY: " + query);
-
-               var date = new Date();
-               var timestamp = Math.round(date.getTime() / 1000);
-               query = query + "&ts=" + timestamp
-
-               xmlhttp_rpc.open("GET", query, true);
-               xmlhttp_rpc.onreadystatechange=all_counters_callback;
-               xmlhttp_rpc.send(null);
-       }
-}
-
-function popupHelp(tid) {
-       var w = window.open("backend.php?op=help&tid=" + tid,
-               "Popup Help", 
-               "menubar=no,location=no,resizable=yes,scrollbars=yes,status=no");
-}
-
 /** * @(#)isNumeric.js * * Copyright (c) 2000 by Sundar Dorai-Raj
   * * @author Sundar Dorai-Raj
   * * Email: sdoraira@vt.edu
@@ -1009,6 +815,8 @@ function hideOrShowFeedsCategory(doc, node, hide, cat_node) {
                return;
        }
 
+//     debug("cat: " + node.id);
+
        if (node.hasChildNodes() && node.firstChild.nextSibling != false) {  
                for (i = 0; i < node.childNodes.length; i++) {
                        if (node.childNodes[i].nodeName != "LI") { continue; }
@@ -1017,14 +825,18 @@ function hideOrShowFeedsCategory(doc, node, hide, cat_node) {
 
                                var has_unread = (node.childNodes[i].className != "feed" &&
                                        node.childNodes[i].className != "label" && 
-                                       node.childNodes[i].className != "virt" && 
+                                       !(!getInitParam("hide_read_shows_special") && 
+                                               node.childNodes[i].className == "virt") && 
+                                       node.childNodes[i].className != "error" && 
                                        node.childNodes[i].className != "tag");
        
-       //                      debug(node.childNodes[i].id + " --> " + has_unread);
+//                             debug(node.childNodes[i].id + " --> " + has_unread);
        
                                if (hide && !has_unread) {
                                        //node.childNodes[i].style.display = "none";
-                                       Effect.Fade(node.childNodes[i], {duration : 0.3});
+                                       var id = node.childNodes[i].id;
+                                       Effect.Fade(node.childNodes[i], {duration : 0.3, 
+                                               queue: { position: 'end', scope: 'FFADE-' + id, limit: 1 }});
                                }
        
                                if (!hide) {
@@ -1042,6 +854,8 @@ function hideOrShowFeedsCategory(doc, node, hide, cat_node) {
                }
        }       
 
+//     debug("end cat: " + node.id + " unread " + cat_unread);
+
        if (cat_unread == 0) {
                if (cat_node.style == undefined) {
                        debug("ERROR: supplied cat_node " + cat_node + 
@@ -1050,7 +864,8 @@ function hideOrShowFeedsCategory(doc, node, hide, cat_node) {
                }
                if (hide) {
                        //cat_node.style.display = "none";
-                       Effect.Fade(cat_node, {duration : 0.3});
+                       Effect.Fade(cat_node, {duration : 0.3, 
+                               queue: { position: 'end', scope: 'CFADE-' + node.id, limit: 1 }});
                } else {
                        cat_node.style.display = "list-item";
                }
@@ -1104,38 +919,40 @@ function selectTableRowsByIdPrefix(content_id, prefix, check_prefix, do_select,
        }
 
        for (i = 0; i < content.rows.length; i++) {
-               if (!classcheck || content.rows[i].className.match(classcheck)) {
+               if (Element.visible(content.rows[i])) {
+                       if (!classcheck || content.rows[i].className.match(classcheck)) {
+               
+                               if (content.rows[i].id.match(prefix)) {
+                                       selectTableRow(content.rows[i], do_select);
+                               
+                                       var row_id = content.rows[i].id.replace(prefix, "");
+                                       var check = document.getElementById(check_prefix + row_id);
+       
+                                       if (check) {
+                                               check.checked = do_select;
+                                       }
+                               } else if (reset_others) {
+                                       selectTableRow(content.rows[i], false);
+       
+                                       var row_id = content.rows[i].id.replace(prefix, "");
+                                       var check = document.getElementById(check_prefix + row_id);
+       
+                                       if (check) {
+                                               check.checked = false;
+                                       }
        
-                       if (content.rows[i].id.match(prefix)) {
-                               selectTableRow(content.rows[i], do_select);
-                       
-                               var row_id = content.rows[i].id.replace(prefix, "");
-                               var check = document.getElementById(check_prefix + row_id);
-
-                               if (check) {
-                                       check.checked = do_select;
                                }
                        } else if (reset_others) {
                                selectTableRow(content.rows[i], false);
-
+       
                                var row_id = content.rows[i].id.replace(prefix, "");
                                var check = document.getElementById(check_prefix + row_id);
-
+       
                                if (check) {
                                        check.checked = false;
                                }
-
-                       }
-               } else if (reset_others) {
-                       selectTableRow(content.rows[i], false);
-
-                       var row_id = content.rows[i].id.replace(prefix, "");
-                       var check = document.getElementById(check_prefix + row_id);
-
-                       if (check) {
-                               check.checked = false;
+       
                        }
-
                }
        }
 }
@@ -1210,10 +1027,6 @@ function toggleSelectRow(sender) {
        }
 }
 
-function openExternalUrl(url) {
-       var w = window.open(url);
-}
-
 function getRelativeFeedId(list, id, direction, unread_only) { 
        var rows = list.getElementsByTagName("LI");
        var feeds = new Array();
@@ -1255,134 +1068,6 @@ function getRelativeFeedId(list, id, direction, unread_only) {
                }
 
        }
-
-/*     if (!id) {
-               if (direction == "next") {
-                       for (i = 0; i < list.childNodes.length; i++) {
-                               var child = list.childNodes[i];
-                               if (child.id && child.id == "feedCatHolder") {
-                                       if (child.lastChild) {
-                                               var cr = getRelativeFeedId(child.firstChild, id, direction, unread_only);
-                                               if (cr) return cr;                                      
-                                       }
-                               } else if (child.id && child.id.match("FEEDR-")) {
-                                       return child.id.replace('FEEDR-', '');
-                               }                               
-                       }
-               }
-
-               // FIXME select last feed doesn't work when only unread feeds are visible
-
-               if (direction == "prev") {
-                       for (i = list.childNodes.length-1; i >= 0; i--) {
-                               var child = list.childNodes[i];                         
-                               if (child.id == "feedCatHolder" && Element.visible(child)) {
-                                       if (child.firstChild) {
-                                               var cr = getRelativeFeedId(child.firstChild, id, direction);
-                                               if (cr) return cr;                                      
-                                       }
-                               } else if (child.id.match("FEEDR-")) {
-                               
-                                       if (getInitParam("hide_read_feeds") == 1) {
-                                               if (child.className != "feed") {
-//                                                     alert(child.className);
-                                                       return child.id.replace('FEEDR-', '');                                          
-                                               }                                                       
-                                       } else {
-                                                       return child.id.replace('FEEDR-', '');                                          
-                                       }                               
-                               }                               
-                       }
-               }
-       } else {
-       
-               var feed = list.ownerDocument.getElementById("FEEDR-" + id);
-               
-               if (getInitParam("hide_read_feeds") == 1) {
-                       unread_only = true;
-               }
-
-               if (direction == "next") {
-
-                       var e = feed;
-
-                       while (e) {
-
-                               if (e.nextSibling) {
-                               
-                                       e = e.nextSibling;
-                                       
-                               } else if (e.parentNode.parentNode.nextSibling) {
-
-                                       var this_cat = e.parentNode.parentNode;
-
-                                       e = false;
-
-                                       if (this_cat && this_cat.nextSibling) {
-                                               while (!e && this_cat.nextSibling) {
-                                                       this_cat = this_cat.nextSibling;
-                                                       if (this_cat.id == "feedCatHolder") {
-                                                               e = this_cat.firstChild.firstChild;
-                                                       }
-                                               }
-                                       }
-
-                               } else {
-                                       e = false;
-                          }
-
-                               if (e) {
-                                       if (!unread_only || (unread_only && e.className != "feed" &&
-                                                       e.className.match("feed")))     {
-                                               if (e.parentNode.parentNode && 
-                                                       Element.visible(e.parentNode.parentNode)) {
-                                                       return e.id.replace("FEEDR-", "");
-                                               }
-                                       }
-                               }
-                       }
-                       
-               } else if (direction == "prev") {
-
-                       var e = feed;
-
-                       while (e) {
-
-                               if (e.previousSibling) {
-                               
-                                       e = e.previousSibling;
-                                       
-                               } else if (e.parentNode.parentNode.previousSibling) {
-
-                                       var this_cat = e.parentNode.parentNode;
-
-                                       e = false;
-
-                                       if (this_cat && this_cat.previousSibling) {
-                                               while (!e && this_cat.previousSibling) {
-                                                       this_cat = this_cat.previousSibling;
-                                                       if (this_cat.id == "feedCatHolder") {
-                                                               e = this_cat.firstChild.lastChild;
-                                                       }
-                                               }
-                                       }
-
-                               } else {
-                                       e = false;
-                          }
-
-                               if (e) {
-                                       if (!unread_only || (unread_only && e.className != "feed" && 
-                                                       e.className.match("feed")))     {
-                                               if (e.parentNode.parentNode && 
-                                                       Element.visible(e.parentNode.parentNode)) {
-                                                       return e.id.replace("FEEDR-", "");
-                                               }
-                                       }
-                               }
-                       }
-               }
-       } */
 }
 
 function showBlockElement(id, h_id) {
@@ -1417,7 +1102,9 @@ function checkboxToggleElement(elem, id) {
 function appearBlockElement(id, h_id) {
 
        try {
-               Effect.Fade(h_id);
+               if (h_id) {
+                       Effect.Fade(h_id);
+               }
                Effect.SlideDown(id, {duration : 1.0, afterFinish: appearBlockElement_afh});
        } catch (e) {
                exception_error("appearBlockElement", e);
@@ -1425,7 +1112,6 @@ function appearBlockElement(id, h_id) {
 
 }
 
-
 function hideParentElement(e) {
        e.parentNode.style.display = "none";
 }
@@ -1497,122 +1183,109 @@ function closeInfoBox(cleanup) {
 
 function displayDlg(id, param) {
 
-       if (!xmlhttp_ready(xmlhttp)) {
-               printLockingError();
-               return
-       }
-
        notify_progress("Loading, please wait...", true);
 
-       xmlhttp.open("GET", "backend.php?op=dlg&id=" +
-               param_escape(id) + "&param=" + param_escape(param), true);
-       xmlhttp.onreadystatechange=infobox_callback;
-       xmlhttp.send(null);
-
        disableHotkeys();
 
+       var query = "backend.php?op=dlg&id=" +
+               param_escape(id) + "&param=" + param_escape(param);
+
+       new Ajax.Request(query, {
+               onComplete: function (transport) {
+                       infobox_callback2(transport);
+               } });
+
        return false;
 }
 
-function infobox_submit_callback() {
-       if (xmlhttp.readyState == 4) {
-               closeInfoBox();
-
-               try {
-                       // called from prefs, reload tab
-                       if (active_tab) {
-                               selectTab(active_tab, false);
-                       }
-               } catch (e) { }
+function infobox_submit_callback2(transport) {
+       closeInfoBox();
 
-               if (xmlhttp.responseText) {
-                       notify_info(xmlhttp.responseText);
+       try {
+               // called from prefs, reload tab
+               if (typeof active_tab != 'undefined' && active_tab) {
+                       selectTab(active_tab, false);
                }
+       } catch (e) { }
 
-       } 
+       if (transport.responseText) {
+               notify_info(transport.responseText);
+       }
 }
 
-function infobox_callback() {
-       if (xmlhttp.readyState == 4) {
-
-               try {
-
-                       if (!is_msie() && !getInitParam("infobox_disable_overlay")) {
-                               var overlay = document.getElementById("dialog_overlay");
-                               if (overlay) {
-                                       overlay.style.display = "block";
-                               }
-                       }
-       
-                       var box = document.getElementById('infoBox');
-                       var shadow = document.getElementById('infoBoxShadow');
-                       if (box) {                      
-
-/*                             if (!is_safari()) {
-                                       new Draggable(shadow);
-                               } */
-
-                               box.innerHTML=xmlhttp.responseText;                     
-                               if (shadow) {
-                                       shadow.style.display = "block";
-                               } else {
-                                       box.style.display = "block";                            
-                               }
-                       }
+function infobox_callback2(transport) {
+       try {
 
-                       /* FIXME this needs to be moved out somewhere */
+               debug("infobox_callback2");
 
-                       if (document.getElementById("tags_choices")) {
-                               new Ajax.Autocompleter('tags_str', 'tags_choices',
-                                       "backend.php?op=rpc&subop=completeTags",
-                                       { tokens: ',', paramName: "search" });
+               if (!is_msie() && !getInitParam("infobox_disable_overlay")) {
+                       var overlay = document.getElementById("dialog_overlay");
+                       if (overlay) {
+                               overlay.style.display = "block";
                        }
-
-                       notify("");
-               } catch (e) {
-                       exception_error("infobox_callback", e);
                }
-       }
-}
 
-function helpbox_callback() {
-       if (xmlhttp.readyState == 4) {
-               var box = document.getElementById('helpBox');
-               var shadow = document.getElementById('helpBoxShadow');
+               var box = document.getElementById('infoBox');
+               var shadow = document.getElementById('infoBoxShadow');
                if (box) {                      
-                       box.innerHTML=xmlhttp.responseText;                     
+
+/*                             if (!is_safari()) {
+                               new Draggable(shadow);
+                       } */
+
+                       box.innerHTML=transport.responseText;                   
                        if (shadow) {
                                shadow.style.display = "block";
                        } else {
                                box.style.display = "block";                            
                        }
                }
-               notify("");
-       }
-}
 
-function addFilter() {
+               /* FIXME this needs to be moved out somewhere */
 
-       if (!xmlhttp_ready(xmlhttp)) {
-               printLockingError();
-               return
-       }
+               if (document.getElementById("tags_choices")) {
+                       new Ajax.Autocompleter('tags_str', 'tags_choices',
+                               "backend.php?op=rpc&subop=completeTags",
+                               { tokens: ',', paramName: "search" });
+               }
 
-       var form = document.forms['filter_add_form'];
-       var reg_exp = form.reg_exp.value;
+               disableHotkeys();
 
-       if (reg_exp == "") {
-               alert(__("Can't add filter: nothing to match on."));
-               return false;
+               notify("");
+       } catch (e) {
+               exception_error("infobox_callback2", e);
        }
+}
+
+function createFilter() {
 
-       var query = Form.serialize("filter_add_form");
+       try {
 
-       xmlhttp.open("GET", "backend.php?" + query, true);
-       xmlhttp.onreadystatechange=infobox_submit_callback;
-       xmlhttp.send(null);
+               var form = document.forms['filter_add_form'];
+               var reg_exp = form.reg_exp.value;
+       
+               if (reg_exp == "") {
+                       alert(__("Can't add filter: nothing to match on."));
+                       return false;
+               }
+       
+               var query = Form.serialize("filter_add_form");
+       
+               // we can be called from some other tab in Prefs                
+               if (typeof active_tab != 'undefined' && active_tab) {
+                       active_tab = "filterConfig";
+               }
+       
+               new Ajax.Request("backend.php?" + query, {
+                       onComplete: function (transport) {
+                               infobox_submit_callback2(transport);
+                       } });
+               
+               return true;
 
-       return true;
+       } catch (e) {
+               exception_error("createFilter", e);
+       }
 }
 
 function toggleSubmitNotEmpty(e, submit_id) {
@@ -1627,12 +1300,7 @@ function isValidURL(s) {
        return s.match("http://") != null || s.match("https://") != null || s.match("feed://") != null;
 }
 
-function qaddFeed() {
-
-       if (!xmlhttp_ready(xmlhttp)) {
-               printLockingError();
-               return
-       }
+function subscribeToFeed() {
 
        var form = document.forms['feed_add_form'];
        var feed_url = form.feed_url.value;
@@ -1654,14 +1322,11 @@ function qaddFeed() {
        
        debug("subscribe q: " + query);
 
-/*     xmlhttp.open("GET", "backend.php?" + query, true);
-       xmlhttp.onreadystatechange=dlg_frefresh_callback;
-       xmlhttp.send(null); */
-
-       xmlhttp.open("POST", "backend.php", true);
-       xmlhttp.onreadystatechange=dlg_frefresh_callback;
-       xmlhttp.setRequestHeader('Content-Type', 'application/x-www-form-urlencoded');
-       xmlhttp.send(query);
+       new Ajax.Request("backend.php", {
+               parameters: query,
+               onComplete: function(transport) { 
+                       dlg_frefresh_callback(transport); 
+               } });
 
        return false;
 }
@@ -1749,7 +1414,7 @@ function fatalError(code, message) {
        
                        if (message == "") message = "Unknown error";
 
-                       fc.innerHTML = "<img src='images/sign_excl.png'> " + message + " (Code " + code + ")";
+                       fc.innerHTML = "<img src='images/sign_excl.gif'> " + message + " (Code " + code + ")";
        
                        fe.style.display = "block";
                }
@@ -1805,14 +1470,14 @@ function filterDlgCheckAction(sender) {
                }
 
                // if selected action supports parameters, enable params field
-               if (action == 4) {
+               if (action == 4 || action == 6) {
                        action_param.disabled = false;
                } else {
                        action_param.disabled = true;
                }
 
        } catch (e) {
-               exception_error(e, "filterDlgCheckAction");
+               exception_error("filterDlgCheckAction", e);
        }
 
 }
@@ -1821,27 +1486,12 @@ function explainError(code) {
        return displayDlg("explainError", code);
 }
 
-function logoutUser() {
-       try {
-               if (xmlhttp_ready(xmlhttp_rpc)) {
-
-                       notify_progress("Logging out, please wait...", true);
-
-                       xmlhttp_rpc.open("GET", "backend.php?op=rpc&subop=logout", true);
-                       xmlhttp_rpc.onreadystatechange=logout_callback;
-                       xmlhttp_rpc.send(null);
-               } else {
-                       printLockingError();
-               }
-       } catch (e) {
-               exception_error("logoutUser", e);
-       }
-}
-
 // this only searches loaded headlines list, not in CDM
-function getRelativePostIds(id) {
+function getRelativePostIds(id, limit) {
+
+       if (!limit) limit = 3;
 
-       debug("getRelativePostIds: " + id);
+       debug("getRelativePostIds: " + id + " limit=" + limit);
 
        var ids = new Array();
        var container = document.getElementById("headlinesList");
@@ -1853,13 +1503,23 @@ function getRelativePostIds(id) {
                        var r_id = rows[i].id.replace("RROW-", "");
 
                        if (r_id == id) {
-                               if (i > 0) ids.push(rows[i-1].id.replace("RROW-", ""));
+/*                             if (i > 0) ids.push(rows[i-1].id.replace("RROW-", ""));
                                if (i > 1) ids.push(rows[i-2].id.replace("RROW-", ""));
                                if (i > 2) ids.push(rows[i-3].id.replace("RROW-", ""));
 
                                if (i < rows.length-1) ids.push(rows[i+1].id.replace("RROW-", ""));
                                if (i < rows.length-2) ids.push(rows[i+2].id.replace("RROW-", ""));
-                               if (i < rows.length-3) ids.push(rows[i+3].id.replace("RROW-", ""));
+                               if (i < rows.length-3) ids.push(rows[i+3].id.replace("RROW-", "")); */
+
+                               for (var k = 1; k <= limit; k++) {
+                                       var nid = false;
+
+                                       if (i > k-1) var nid = rows[i-k].id.replace("RROW-", "");
+                                       if (nid) ids.push(nid);
+
+                                       if (i < rows.length-k) nid = rows[i+k].id.replace("RROW-", "");
+                                       if (nid) ids.push(nid);
+                               }
 
                                return ids;
                        }
@@ -1871,21 +1531,22 @@ function getRelativePostIds(id) {
 
 function openArticleInNewWindow(id) {
        try {
-
-               if (!xmlhttp_ready(xmlhttp_rpc)) {
-                       printLockingError();
-                       return
-               }
-
                debug("openArticleInNewWindow: " + id);
 
                var query = "backend.php?op=rpc&subop=getArticleLink&id=" + id;
+               var wname = "ttrss_article_" + id;
 
-               debug(query);
+               debug(query + " " + wname);
+
+               var w = window.open("", wname);
+
+               if (!w) notify_error("Failed to open window for the article");
+
+               new Ajax.Request(query, {
+                       onComplete: function(transport) { 
+                               open_article_callback(transport); 
+                       } });
 
-               xmlhttp_rpc.open("GET", query, true);
-               xmlhttp_rpc.onreadystatechange=open_article_callback;
-               xmlhttp_rpc.send(null);
 
        } catch (e) {
                exception_error("openArticleInNewWindow", e);
@@ -1921,35 +1582,101 @@ Position.Center = function(element, parent) {
         element.style.left = (pw/2) - (w/2) -  Position.deltaX + "px";
 }
 
-function labeltest_callback() {
-       var container = document.getElementById('label_test_result');
-       if (xmlhttp.readyState == 4) {
 
-               container.innerHTML=xmlhttp.responseText;
+function labeltest_callback(transport) {
+       try {
+               var container = document.getElementById('label_test_result');
+       
+               container.innerHTML = transport.responseText;
                if (!Element.visible(container)) {
                        Effect.SlideDown(container, { duration : 0.5 });
                }
+
                notify("");
+       } catch (e) {
+               exception_error("labeltest_callback", e);
        }
 }
 
 function labelTest() {
 
-       var container = document.getElementById('label_test_result');
+       try {
+               var container = document.getElementById('label_test_result');
+       
+               var form = document.forms['label_edit_form'];
+       
+               var sql_exp = form.sql_exp.value;
+               var description = form.description.value;
+       
+               notify_progress("Loading, please wait...");
+       
+               var query = "backend.php?op=pref-labels&subop=test&expr=" +
+                       param_escape(sql_exp) + "&descr=" + param_escape(description);
+       
+               new Ajax.Request(query, {
+                       onComplete: function (transport) {
+                               labeltest_callback(transport);
+                       } });
+       
+               return false;
+
+       } catch (e) {
+               exception_error("labelTest", e);
+       }
+}
+
+function isCdmMode() {
+       return !document.getElementById("headlinesList");
+}
+
+function getSelectedArticleIds2() {
+       var rows = new Array();
+       var cdm_mode = isCdmMode();
 
-       var form = document.forms['label_edit_form'];
+       if (cdm_mode) {
+               rows = cdmGetSelectedArticles();
+       } else {        
+               rows = getSelectedTableRowIds("headlinesList", "RROW", "RCHK");
+       }
 
-       var sql_exp = form.sql_exp.value;
-       var description = form.description.value;
+       var ids = new Array();
 
-       notify_progress("Loading, please wait...");
+       for (var i = 0; i < rows.length; i++) {
+               var chk = document.getElementById("RCHK-" + rows[i]);
+               if (chk && chk.checked) {
+                       ids.push(rows[i]);
+               }
+       }
+
+       return ids;
+}
 
-       xmlhttp.open("GET", "backend.php?op=pref-labels&subop=test&expr=" +
-               param_escape(sql_exp) + "&descr=" + param_escape(description), true);
+function displayHelpInfobox(topic_id) {
 
-       xmlhttp.onreadystatechange=labeltest_callback;
-       xmlhttp.send(null);
+       var url = "backend.php?op=help&tid=" + param_escape(topic_id);
+
+       var w = window.open(url, "ttrss_help", 
+               "status=0,toolbar=0,location=0,width=450,height=500,scrollbars=1,menubar=0");
 
        return false;
 }
 
+function focus_element(id) {
+       try {
+               var e = document.getElementById(id);
+               if (e) e.focus();
+       } catch (e) {
+               exception_error("focus_element", e);
+       }
+       return false;
+}
+
+function loading_set_progress(v) {
+       try {
+               var o = document.getElementById("l_progress_i");
+               o.style.width = (v*2) + "px";
+
+       } catch (e) {
+               exception_error("loading_set_progress", e);
+       }
+}