X-Git-Url: https://git.wh0rd.org/?a=blobdiff_plain;f=js%2Ftt-rss.js;h=fca9dac199d9f06aaccb897c9bcbc57ca9901c8a;hb=e2b8c9273e09091c235959c25d8e4d8122aa6ca8;hp=e57de587e58c17f727ab61987e6e19a87a975482;hpb=1c4f5e83900fdd71a84f2e142c694c75106bef53;p=tt-rss.git

diff --git a/js/tt-rss.js b/js/tt-rss.js
index e57de587..fca9dac1 100644
--- a/js/tt-rss.js
+++ b/js/tt-rss.js
@@ -1,11 +1,11 @@
-var global_unread = -1;
-var hotkey_prefix = false;
-var hotkey_prefix_pressed = false;
-var hotkey_actions = {};
-var _widescreen_mode = false;
-var _rpc_seq = 0;
-var _active_feed_id = 0;
-var _active_feed_is_cat = false;
+/* global dijit, __ */
+
+let global_unread = -1;
+let _widescreen_mode = false;
+let _rpc_seq = 0;
+let _active_feed_id = 0;
+let _active_feed_is_cat = false;
+let hotkey_actions = {};
 
 function next_seq() {
 	_rpc_seq += 1;
@@ -17,53 +17,44 @@ function get_seq() {
 }
 
 function activeFeedIsCat() {
-	return _active_feed_is_cat;
+	return !!_active_feed_is_cat;
 }
 
 function getActiveFeedId() {
-	try {
-		return _active_feed_id;
-	} catch (e) {
-		exception_error("getActiveFeedId", e);
-	}
+	return _active_feed_id;
 }
 
 function setActiveFeedId(id, is_cat) {
-	try {
-		hash_set('f', id);
-		hash_set('c', is_cat ? 1 : 0);
+	hash_set('f', id);
+	hash_set('c', is_cat ? 1 : 0);
 
-		_active_feed_id = id;
-		_active_feed_is_cat = is_cat;
+	_active_feed_id = id;
+	_active_feed_is_cat = is_cat;
 
-		$("headlines-frame").setAttribute("feed-id", id);
-		$("headlines-frame").setAttribute("is-cat", is_cat ? 1 : 0);
+	$("headlines-frame").setAttribute("feed-id", id);
+	$("headlines-frame").setAttribute("is-cat", is_cat ? 1 : 0);
 
-		selectFeed(id, is_cat);
+	selectFeed(id, is_cat);
 
-		PluginHost.run(PluginHost.HOOK_FEED_SET_ACTIVE, _active_article_id);
-	} catch (e) {
-		exception_error("setActiveFeedId", e);
-	}
+	PluginHost.run(PluginHost.HOOK_FEED_SET_ACTIVE, _active_article_id);
 }
 
 
 function updateFeedList() {
 	try {
-
-//		$("feeds-holder").innerHTML = "<div id=\"feedlistLoading\">" +
-//			__("Loading, please wait...") + "</div>";
-
 		Element.show("feedlistLoading");
 
+		resetCounterCache();
+
 		if (dijit.byId("feedTree")) {
 			dijit.byId("feedTree").destroyRecursive();
 		}
 
-		var store = new dojo.data.ItemFileWriteStore({
-         url: "backend.php?op=pref_feeds&method=getfeedtree&mode=2"});
+		const store = new dojo.data.ItemFileWriteStore({
+			url: "backend.php?op=pref_feeds&method=getfeedtree&mode=2"
+		});
 
-		var treeModel = new fox.FeedStoreModel({
+		const treeModel = new fox.FeedStoreModel({
 			store: store,
 			query: {
 				"type": getInitParam('enable_feed_cats') == 1 ? "category" : "feed"
@@ -73,28 +64,21 @@ function updateFeedList() {
 			childrenAttrs: ["items"]
 		});
 
-		var tree = new fox.FeedTree({
-		model: treeModel,
-		onClick: function (item, node) {
-			var id = String(item.id);
-			var is_cat = id.match("^CAT:");
-			var feed = id.substr(id.indexOf(":")+1);
-			viewfeed({feed: feed, is_cat: is_cat});
-			return false;
-		},
-		openOnClick: false,
-		showRoot: false,
-		id: "feedTree",
+		const tree = new fox.FeedTree({
+			model: treeModel,
+			onClick: function (item, node) {
+				const id = String(item.id);
+				const is_cat = id.match("^CAT:");
+				const feed = id.substr(id.indexOf(":") + 1);
+				viewfeed({feed: feed, is_cat: is_cat});
+				return false;
+			},
+			openOnClick: false,
+			showRoot: false,
+			persist: true,
+			id: "feedTree",
 		}, "feedTree");
 
-/*		var menu = new dijit.Menu({id: 'feedMenu'});
-
-		menu.addChild(new dijit.MenuItem({
-          label: "Simple menu item"
-		}));
-
-//		menu.bindDomNode(tree.domNode); */
-
 		var tmph = dojo.connect(dijit.byId('feedMenu'), '_openMyself', function (event) {
 			console.log(dijit.getEnclosingWidget(event.target));
 			dojo.disconnect(tmph);
@@ -102,44 +86,37 @@ function updateFeedList() {
 
 		$("feeds-holder").appendChild(tree.domNode);
 
-		var tmph = dojo.connect(tree, 'onLoad', function() {
-	   		dojo.disconnect(tmph);
+		var tmph = dojo.connect(tree, 'onLoad', function () {
+			dojo.disconnect(tmph);
 			Element.hide("feedlistLoading");
 
-			feedlist_init();
+			try {
+				feedlist_init();
 
-//			var node = dijit.byId("feedTree")._itemNodesMap['FEED:-2'][0].domNode
-//			menu.bindDomNode(node);
-
-			loading_set_progress(25);
+				loading_set_progress(25);
+			} catch (e) {
+				exception_error(e);
+			}
 		});
 
 		tree.startup();
-
-
 	} catch (e) {
-		exception_error("updateFeedList", e);
+		exception_error(e);
 	}
 }
 
 function catchupAllFeeds() {
 
-	var str = __("Mark all articles as read?");
+	const str = __("Mark all articles as read?");
 
 	if (getInitParam("confirm_feed_catchup") != 1 || confirm(str)) {
 
-		var query_str = "backend.php?op=feeds&method=catchupAll";
-
 		notify_progress("Marking all feeds as read...");
 
-		//console.log("catchupAllFeeds Q=" + query_str);
-
-		new Ajax.Request("backend.php", {
-			parameters: query_str,
-			onComplete: function(transport) {
-				request_counters(true);
-				viewCurrentFeed();
-			} });
+		xhrPost("backend.php", {op: "feeds", method: "catchupAll"}, () => {
+			request_counters(true);
+			viewCurrentFeed();
+		});
 
 		global_unread = 0;
 		updateTitle("");
@@ -157,25 +134,25 @@ function viewCurrentFeed(method) {
 
 function timeout() {
 	if (getInitParam("bw_limit") != "1") {
-		request_counters();
-		setTimeout("timeout()", 60*1000);
+		request_counters(true);
+		setTimeout(timeout, 60*1000);
 	}
 }
 
 function search() {
-	var query = "backend.php?op=feeds&method=search&param=" +
+	const query = "backend.php?op=feeds&method=search&param=" +
 		param_escape(getActiveFeedId() + ":" + activeFeedIsCat());
 
 	if (dijit.byId("searchDlg"))
 		dijit.byId("searchDlg").destroyRecursive();
 
-	dialog = new dijit.Dialog({
+	const dialog = new dijit.Dialog({
 		id: "searchDlg",
 		title: __("Search"),
 		style: "width: 600px",
 		execute: function() {
 			if (this.validate()) {
-				_search_query = dojo.objectToQuery(this.attr('value'));
+				_search_query = this.attr('value');
 				this.hide();
 				viewCurrentFeed();
 			}
@@ -186,20 +163,12 @@ function search() {
 }
 
 function updateTitle() {
-	var tmp = "Tiny Tiny RSS";
+	let tmp = "Tiny Tiny RSS";
 
 	if (global_unread > 0) {
 		tmp = "(" + global_unread + ") " + tmp;
 	}
 
-	if (window.fluid) {
-		if (global_unread > 0) {
-			window.fluid.dockBadge = global_unread;
-		} else {
-			window.fluid.dockBadge = "";
-		}
-	}
-
 	document.title = tmp;
 }
 
@@ -215,90 +184,99 @@ function genericSanityCheck() {
 
 
 function init() {
-	try {
-		//dojo.registerModulePath("fox", "../../js/");
-
-		require(["dojo/_base/kernel",
-				"dojo/ready",
-				"dojo/parser",
-				"dojo/_base/loader",
-				"dojo/_base/html",
-				"dijit/ProgressBar",
-				"dijit/ColorPalette",
-				"dijit/Dialog",
-				"dijit/form/Button",
-				"dijit/form/ComboButton",
-				"dijit/form/CheckBox",
-				"dijit/form/DropDownButton",
-				"dijit/form/FilteringSelect",
-				"dijit/form/Form",
-				"dijit/form/RadioButton",
-				"dijit/form/Select",
-				"dijit/form/SimpleTextarea",
-				"dijit/form/TextBox",
-				"dijit/form/ComboBox",
-				"dijit/form/ValidationTextBox",
-				"dijit/InlineEditBox",
-				"dijit/layout/AccordionContainer",
-				"dijit/layout/BorderContainer",
-				"dijit/layout/ContentPane",
-				"dijit/layout/TabContainer",
-				"dijit/PopupMenuItem",
-				"dijit/Menu",
-				"dijit/Toolbar",
-				"dijit/Tree",
-				"dijit/tree/dndSource",
-				"dijit/tree/ForestStoreModel",
-				"dojo/data/ItemFileWriteStore",
-				"fox/FeedTree" ], function (dojo, ready, parser) {
-
-				ready(function() {
 
+	window.onerror = function(message, filename, lineno, colno, error) {
+		report_error(message, filename, lineno, colno, error);
+	};
+
+	require(["dojo/_base/kernel",
+			"dojo/ready",
+			"dojo/parser",
+			"dojo/_base/loader",
+			"dojo/_base/html",
+			"dojo/query",
+			"dijit/ProgressBar",
+			"dijit/ColorPalette",
+			"dijit/Dialog",
+			"dijit/form/Button",
+			"dijit/form/ComboButton",
+			"dijit/form/CheckBox",
+			"dijit/form/DropDownButton",
+			"dijit/form/FilteringSelect",
+			"dijit/form/Form",
+			"dijit/form/RadioButton",
+			"dijit/form/Select",
+			"dijit/form/MultiSelect",
+			"dijit/form/SimpleTextarea",
+			"dijit/form/TextBox",
+			"dijit/form/ComboBox",
+			"dijit/form/ValidationTextBox",
+			"dijit/InlineEditBox",
+			"dijit/layout/AccordionContainer",
+			"dijit/layout/BorderContainer",
+			"dijit/layout/ContentPane",
+			"dijit/layout/TabContainer",
+			"dijit/PopupMenuItem",
+			"dijit/Menu",
+			"dijit/Toolbar",
+			"dijit/Tree",
+			"dijit/tree/dndSource",
+			"dijit/tree/ForestStoreModel",
+			"dojo/data/ItemFileWriteStore",
+			"fox/FeedStoreModel",
+			"fox/FeedTree" ], function (dojo, ready, parser) {
+
+			ready(function() {
+
+				try {
 					parser.parse();
 
 					if (!genericSanityCheck())
 						return false;
 
 					loading_set_progress(30);
-
-					var a = document.createElement('audio');
-
-					var hasAudio = !!a.canPlayType;
-					var hasSandbox = "sandbox" in document.createElement("iframe");
-					var hasMp3 = !!(a.canPlayType && a.canPlayType('audio/mpeg;').replace(/no/, ''));
-					var clientTzOffset = new Date().getTimezoneOffset() * 60;
-
 					init_hotkey_actions();
 
-					new Ajax.Request("backend.php",	{
-						parameters: {op: "rpc", method: "sanityCheck", hasAudio: hasAudio,
+					const a = document.createElement('audio');
+					const hasAudio = !!a.canPlayType;
+					const hasSandbox = "sandbox" in document.createElement("iframe");
+					const hasMp3 = !!(a.canPlayType && a.canPlayType('audio/mpeg;').replace(/no/, ''));
+					const clientTzOffset = new Date().getTimezoneOffset() * 60;
+
+					const params = {
+							op: "rpc", method: "sanityCheck", hasAudio: hasAudio,
 							hasMp3: hasMp3,
 							clientTzOffset: clientTzOffset,
-							hasSandbox: hasSandbox},
-						onComplete: function(transport) {
-							backend_sanity_check_callback(transport);
-						} });
+							hasSandbox: hasSandbox
+						};
 
+					xhrPost("backend.php", params, (transport) => {
+						try {
+							backend_sanity_check_callback(transport);
+						} catch (e) {
+							console.error(e);
+						}
+					});
 
-				});
+				} catch (e) {
+					exception_error(e);
+				}
 
+			});
 
-		});
 
-	} catch (e) {
-		exception_error("init", e);
-	}
+	});
 }
 
 function init_hotkey_actions() {
 	hotkey_actions["next_feed"] = function() {
-		var rv = dijit.byId("feedTree").getNextFeed(
+		const rv = dijit.byId("feedTree").getNextFeed(
 			getActiveFeedId(), activeFeedIsCat());
 
 		if (rv) viewfeed({feed: rv[0], is_cat: rv[1], can_wait: true})
 	};
 	hotkey_actions["prev_feed"] = function() {
-		var rv = dijit.byId("feedTree").getPreviousFeed(
+		const rv = dijit.byId("feedTree").getPreviousFeed(
 			getActiveFeedId(), activeFeedIsCat());
 
 		if (rv) viewfeed({feed: rv[0], is_cat: rv[1], can_wait: true})
@@ -321,32 +299,6 @@ function init_hotkey_actions() {
 	hotkey_actions["prev_article_noexpand"] = function() {
 		moveToPost('prev', true, true);
 	};
-	hotkey_actions["collapse_article"] = function() {
-		var id = getActiveArticleId();
-		var elem = $("CICD-"+id);
-
-		if (elem) {
-			if (elem.visible()) {
-				cdmCollapseArticle(null, id);
-			}
-			else {
-				cdmExpandArticle(id);
-			}
-		}
-	};
-	hotkey_actions["toggle_expand"] = function() {
-		var id = getActiveArticleId();
-		var elem = $("CICD-"+id);
-
-		if (elem) {
-			if (elem.visible()) {
-				cdmCollapseArticle(null, id, false);
-			}
-			else {
-				cdmExpandArticle(id);
-			}
-		}
-	};
 	hotkey_actions["search_dialog"] = function() {
 		search();
 	};
@@ -360,15 +312,14 @@ function init_hotkey_actions() {
 		selectionToggleUnread(undefined, false, true);
 	};
 	hotkey_actions["edit_tags"] = function() {
-		var id = getActiveArticleId();
+		const id = getActiveArticleId();
 		if (id) {
 			editArticleTags(id);
-		};
+		}
 	}
 	hotkey_actions["open_in_new_window"] = function() {
 		if (getActiveArticleId()) {
 			openArticleInNewWindow(getActiveArticleId());
-			return;
 		}
 	};
 	hotkey_actions["catchup_below"] = function() {
@@ -378,23 +329,13 @@ function init_hotkey_actions() {
 		catchupRelativeToArticle(0);
 	};
 	hotkey_actions["article_scroll_down"] = function() {
-		var ctr = $("content_insert") ? $("content_insert") : $("headlines-frame");
-
 		scrollArticle(40);
 	};
 	hotkey_actions["article_scroll_up"] = function() {
-		var ctr = $("content_insert") ? $("content_insert") : $("headlines-frame");
-
 		scrollArticle(-40);
 	};
 	hotkey_actions["close_article"] = function() {
-		if (isCdmMode()) {
-			if (!getInitParam("cdm_expanded")) {
-				cdmCollapseArticle(false, getActiveArticleId());
-			}
-		} else {
-			closeArticlePanel();
-		}
+		closeArticlePanel();
 	};
 	hotkey_actions["email_article"] = function() {
 		if (typeof emailArticle != "undefined") {
@@ -464,14 +405,9 @@ function init_hotkey_actions() {
 		reverseHeadlineOrder();
 	};
 	hotkey_actions["feed_toggle_vgroup"] = function() {
-		var query_str = "?op=rpc&method=togglepref&key=VFEED_GROUP_BY_FEED";
-
-		new Ajax.Request("backend.php", {
-			parameters: query_str,
-			onComplete: function(transport) {
-				viewCurrentFeed();
-			} });
-
+		xhrPost("backend.php", {op: "rpc", method: "togglepref", key: "VFEED_GROUP_BY_FEED"}, () => {
+			viewCurrentFeed();
+		})
 	};
 	hotkey_actions["catchup_all"] = function() {
 		catchupAllFeeds();
@@ -501,16 +437,18 @@ function init_hotkey_actions() {
 		gotoPreferences();
 	};
 	hotkey_actions["select_article_cursor"] = function() {
-		var id = getArticleUnderPointer();
+		const id = getArticleUnderPointer();
 		if (id) {
-			var row = $("RROW-" + id);
+			const row = $("RROW-" + id);
 
 			if (row) {
-				var cb = dijit.getEnclosingWidget(
-					row.getElementsByClassName("rchk")[0]);
+				const cb = dijit.getEnclosingWidget(
+					row.select(".rchk")[0]);
 
 				if (cb) {
-					cb.attr("checked", !cb.attr("checked"));
+					if (!row.hasClassName("active"))
+						cb.attr("checked", !cb.attr("checked"));
+
 					toggleSelectRowById(cb, "RROW-" + id);
 					return false;
 				}
@@ -553,230 +491,179 @@ function init_hotkey_actions() {
 	hotkey_actions["toggle_combined_mode"] = function() {
 		notify_progress("Loading, please wait...");
 
-		var value = isCdmMode() ? "false" : "true";
-		var query = "?op=rpc&method=setpref&key=COMBINED_DISPLAY_MODE&value=" + value;
+		const value = isCdmMode() ? "false" : "true";
 
-		new Ajax.Request("backend.php",	{
-			parameters: query,
-			onComplete: function(transport) {
-				setInitParam("combined_display_mode",
-					!getInitParam("combined_display_mode"));
+		xhrPost("backend.php", {op: "rpc", method: "setpref", key: "COMBINED_DISPLAY_MODE", value: value}, () => {
+			setInitParam("combined_display_mode",
+				!getInitParam("combined_display_mode"));
 
-				closeArticlePanel();
-				viewCurrentFeed();
-
-			} });
-	};
-	hotkey_actions["toggle_cdm_expanded"] = function() {
-		notify_progress("Loading, please wait...");
-
-		var value = getInitParam("cdm_expanded") ? "false" : "true";
-		var query = "?op=rpc&method=setpref&key=CDM_EXPANDED&value=" + value;
-
-		new Ajax.Request("backend.php",	{
-			parameters: query,
-			onComplete: function(transport) {
-				setInitParam("cdm_expanded", !getInitParam("cdm_expanded"));
-				viewCurrentFeed();
-			} });
+			closeArticlePanel();
+			viewCurrentFeed();
+		})
 	};
 }
 
 function init_second_stage() {
+	updateFeedList();
+	closeArticlePanel();
 
-	try {
-		updateFeedList();
-		closeArticlePanel();
-
-		if (parseInt(getCookie("ttrss_fh_width")) > 0) {
-			dijit.byId("feeds-holder").domNode.setStyle(
-				{width: getCookie("ttrss_fh_width") + "px" });
-		}
-
-		dijit.byId("main").resize();
-
-		var tmph = dojo.connect(dijit.byId('feeds-holder'), 'resize',
-			function (args) {
-				if (args && args.w >= 0) {
-					setCookie("ttrss_fh_width", args.w, getInitParam("cookie_lifetime"));
-				}
-		});
+	if (parseInt(getCookie("ttrss_fh_width")) > 0) {
+		dijit.byId("feeds-holder").domNode.setStyle(
+			{width: getCookie("ttrss_fh_width") + "px" });
+	}
 
-		var tmph = dojo.connect(dijit.byId('content-insert'), 'resize',
-			function (args) {
-				if (args && args.w >= 0 && args.h >= 0) {
-					setCookie("ttrss_ci_width", args.w, getInitParam("cookie_lifetime"));
-					setCookie("ttrss_ci_height", args.h, getInitParam("cookie_lifetime"));
-				}
-		});
+	dijit.byId("main").resize();
 
-		delCookie("ttrss_test");
+	var tmph = dojo.connect(dijit.byId('feeds-holder'), 'resize',
+		function (args) {
+			if (args && args.w >= 0) {
+				setCookie("ttrss_fh_width", args.w, getInitParam("cookie_lifetime"));
+			}
+	});
 
-		var toolbar = document.forms["main_toolbar_form"];
+	var tmph = dojo.connect(dijit.byId('content-insert'), 'resize',
+		function (args) {
+			if (args && args.w >= 0 && args.h >= 0) {
+				setCookie("ttrss_ci_width", args.w, getInitParam("cookie_lifetime"));
+				setCookie("ttrss_ci_height", args.h, getInitParam("cookie_lifetime"));
+			}
+	});
 
-		dijit.getEnclosingWidget(toolbar.view_mode).attr('value',
-			getInitParam("default_view_mode"));
+	delCookie("ttrss_test");
 
-		dijit.getEnclosingWidget(toolbar.order_by).attr('value',
-			getInitParam("default_view_order_by"));
+	const toolbar = document.forms["main_toolbar_form"];
 
-		feeds_sort_by_unread = getInitParam("feeds_sort_by_unread") == 1;
+	dijit.getEnclosingWidget(toolbar.view_mode).attr('value',
+		getInitParam("default_view_mode"));
 
-		var hash_feed_id = hash_get('f');
-		var hash_feed_is_cat = hash_get('c') == "1";
+	dijit.getEnclosingWidget(toolbar.order_by).attr('value',
+		getInitParam("default_view_order_by"));
 
-		if (hash_feed_id != undefined) {
-			setActiveFeedId(hash_feed_id, hash_feed_is_cat);
-		}
+	const hash_feed_id = hash_get('f');
+	const hash_feed_is_cat = hash_get('c') == "1";
 
-		loading_set_progress(50);
+	if (hash_feed_id != undefined) {
+		setActiveFeedId(hash_feed_id, hash_feed_is_cat);
+	}
 
-		// can't use cache_clear() here because viewfeed might not have initialized yet
-		if ('sessionStorage' in window && window['sessionStorage'] !== null)
-			sessionStorage.clear();
+	loading_set_progress(50);
 
-		var hotkeys = getInitParam("hotkeys");
-		var tmp = [];
+	// can't use cache_clear() here because viewfeed might not have initialized yet
+	if ('sessionStorage' in window && window['sessionStorage'] !== null)
+		sessionStorage.clear();
 
-		for (sequence in hotkeys[1]) {
-			filtered = sequence.replace(/\|.*$/, "");
-			tmp[filtered] = hotkeys[1][sequence];
-		}
+	/*const hotkeys = getInitParam("hotkeys");
+	const tmp = [];
 
-		hotkeys[1] = tmp;
-		setInitParam("hotkeys", hotkeys);
+	for (const sequence in hotkeys[1]) {
+		const filtered = sequence.replace(/\|.*$/, "");
+		tmp[filtered] = hotkeys[1][sequence];
+	}
 
-		_widescreen_mode = getInitParam("widescreen");
-		switchPanelMode(_widescreen_mode);
+	hotkeys[1] = tmp;
+	setInitParam("hotkeys", hotkeys);*/
 
-		console.log("second stage ok");
+	_widescreen_mode = getInitParam("widescreen");
+	switchPanelMode(_widescreen_mode);
 
-		if (getInitParam("simple_update")) {
-			console.log("scheduling simple feed updater...");
-			window.setTimeout("update_random_feed()", 30*1000);
-		}
+	console.log("second stage ok");
 
-	} catch (e) {
-		exception_error("init_second_stage", e);
+	if (getInitParam("simple_update")) {
+		console.log("scheduling simple feed updater...");
+		window.setTimeout(update_random_feed, 30*1000);
 	}
 }
 
 function quickMenuGo(opid) {
-	try {
-		switch (opid) {
-		case "qmcPrefs":
-			gotoPreferences();
-			break;
-		case "qmcLogout":
-			gotoLogout();
-			break;
-		case "qmcTagCloud":
-			displayDlg(__("Tag cloud"), "printTagCloud");
-			break;
-		case "qmcSearch":
-			search();
-			break;
-		case "qmcAddFeed":
-			quickAddFeed();
-			break;
-		case "qmcDigest":
-			window.location.href = "backend.php?op=digest";
-			break;
-		case "qmcEditFeed":
-			if (activeFeedIsCat())
-				alert(__("You can't edit this kind of feed."));
-			else
-				editFeed(getActiveFeedId());
-			break;
-		case "qmcRemoveFeed":
-			var actid = getActiveFeedId();
-
-			if (activeFeedIsCat()) {
-				alert(__("You can't unsubscribe from the category."));
-				return;
-			}
+	switch (opid) {
+	case "qmcPrefs":
+		gotoPreferences();
+		break;
+	case "qmcLogout":
+		gotoLogout();
+		break;
+	case "qmcTagCloud":
+		displayDlg(__("Tag cloud"), "printTagCloud");
+		break;
+	case "qmcSearch":
+		search();
+		break;
+	case "qmcAddFeed":
+		quickAddFeed();
+		break;
+	case "qmcDigest":
+		window.location.href = "backend.php?op=digest";
+		break;
+	case "qmcEditFeed":
+		if (activeFeedIsCat())
+			alert(__("You can't edit this kind of feed."));
+		else
+			editFeed(getActiveFeedId());
+		break;
+	case "qmcRemoveFeed":
+		var actid = getActiveFeedId();
 
-			if (!actid) {
-				alert(__("Please select some feed first."));
-				return;
-			}
+		if (activeFeedIsCat()) {
+			alert(__("You can't unsubscribe from the category."));
+			return;
+		}
 
-			var fn = getFeedName(actid);
+		if (!actid) {
+			alert(__("Please select some feed first."));
+			return;
+		}
 
-			var pr = __("Unsubscribe from %s?").replace("%s", fn);
+		var fn = getFeedName(actid);
 
-			if (confirm(pr)) {
-				unsubscribeFeed(actid);
-			}
-			break;
-		case "qmcCatchupAll":
-			catchupAllFeeds();
-			break;
-		case "qmcShowOnlyUnread":
-			toggleDispRead();
-			break;
-		case "qmcAddFilter":
-			quickAddFilter();
-			break;
-		case "qmcAddLabel":
-			addLabel();
-			break;
-		case "qmcRescoreFeed":
-			rescoreCurrentFeed();
-			break;
-		case "qmcToggleWidescreen":
-			if (!isCdmMode()) {
-				_widescreen_mode = !_widescreen_mode;
-
-				// reset stored sizes because geometry changed
-				setCookie("ttrss_ci_width", 0);
-				setCookie("ttrss_ci_height", 0);
-
-				switchPanelMode(_widescreen_mode);
-			} else {
-				alert(__("Widescreen is not available in combined mode."));
-			}
-			break;
-		case "qmcHKhelp":
-			helpDialog("main");
-			break;
-		default:
-			console.log("quickMenuGo: unknown action: " + opid);
+		var pr = __("Unsubscribe from %s?").replace("%s", fn);
+
+		if (confirm(pr)) {
+			unsubscribeFeed(actid);
 		}
+		break;
+	case "qmcCatchupAll":
+		catchupAllFeeds();
+		break;
+	case "qmcShowOnlyUnread":
+		toggleDispRead();
+		break;
+	case "qmcToggleWidescreen":
+		if (!isCdmMode()) {
+			_widescreen_mode = !_widescreen_mode;
 
-	} catch (e) {
-		exception_error("quickMenuGo", e);
+			// reset stored sizes because geometry changed
+			setCookie("ttrss_ci_width", 0);
+			setCookie("ttrss_ci_height", 0);
+
+			switchPanelMode(_widescreen_mode);
+		} else {
+			alert(__("Widescreen is not available in combined mode."));
+		}
+		break;
+	case "qmcHKhelp":
+		helpDialog("main");
+		break;
+	default:
+		console.log("quickMenuGo: unknown action: " + opid);
 	}
 }
 
 function toggleDispRead() {
-	try {
 
-		var hide = !(getInitParam("hide_read_feeds") == "1");
+	const hide = !(getInitParam("hide_read_feeds") == "1");
 
+	xhrPost("backend.php", {op: "rpc", method: "setpref", key: "HIDE_READ_FEEDS", value: hide}, () => {
 		hideOrShowFeeds(hide);
-
-		var query = "?op=rpc&method=setpref&key=HIDE_READ_FEEDS&value=" +
-			param_escape(hide);
-
 		setInitParam("hide_read_feeds", hide);
-
-		new Ajax.Request("backend.php", {
-			parameters: query,
-			onComplete: function(transport) {
-			} });
-
-	} catch (e) {
-		exception_error("toggleDispRead", e);
-	}
+	});
 }
 
 function parse_runtime_info(data) {
 
 	//console.log("parsing runtime info...");
 
-	for (k in data) {
-		var v = data[k];
+	for (const k in data) {
+		const v = data[k];
 
 //		console.log("RI: " + k + " => " + v);
 
@@ -792,7 +679,7 @@ function parse_runtime_info(data) {
 		}
 
 		if (k == "update_result") {
-			var updatesIcon = dijit.byId("updatesIcon").domNode;
+			const updatesIcon = dijit.byId("updatesIcon").domNode;
 
 			if (v) {
 				Element.show(updatesIcon);
@@ -821,15 +708,13 @@ function parse_runtime_info(data) {
 }
 
 function collapse_feedlist() {
-	try {
+	Element.toggle("feeds-holder");
 
-		Element.toggle("feeds-holder");
+	const splitter = $("feeds-holder_splitter");
 
-		dijit.byId("main").resize();
+	Element.visible("feeds-holder") ? splitter.show() : splitter.hide();
 
-	} catch (e) {
-		exception_error("collapse_feedlist", e);
-	}
+	dijit.byId("main").resize();
 }
 
 function viewModeChanged() {
@@ -837,119 +722,19 @@ function viewModeChanged() {
 	return viewCurrentFeed('');
 }
 
-function rescoreCurrentFeed() {
-
-	var actid = getActiveFeedId();
-
-	if (activeFeedIsCat() || actid < 0) {
-		alert(__("You can't rescore this kind of feed."));
-		return;
-	}
-
-	if (!actid) {
-		alert(__("Please select some feed first."));
-		return;
-	}
-
-	var fn = getFeedName(actid);
-	var pr = __("Rescore articles in %s?").replace("%s", fn);
-
-	if (confirm(pr)) {
-		notify_progress("Rescoring articles...");
-
-		var query = "?op=pref-feeds&method=rescore&quiet=1&ids=" + actid;
-
-		new Ajax.Request("backend.php",	{
-			parameters: query,
-			onComplete: function(transport) {
-				viewCurrentFeed();
-			} });
-	}
-}
-
 function hotkey_handler(e) {
-	try {
-
-		if (e.target.nodeName == "INPUT" || e.target.nodeName == "TEXTAREA") return;
-
-		var keycode = false;
-		var shift_key = false;
-		var ctrl_key = false;
-		var alt_key = false;
-		var meta_key = false;
-
-		var cmdline = $('cmdline');
-
-		shift_key = e.shiftKey;
-		ctrl_key = e.ctrlKey;
-		alt_key = e.altKey;
-		meta_key = e.metaKey;
-
-		if (window.event) {
-			keycode = window.event.keyCode;
-		} else if (e) {
-			keycode = e.which;
-		}
-
-		var keychar = String.fromCharCode(keycode);
-
-		if (keycode == 27) { // escape
-			hotkey_prefix = false;
-		}
-
-		if (keycode == 16) return; // ignore lone shift
-		if (keycode == 17) return; // ignore lone ctrl
+	if (e.target.nodeName == "INPUT" || e.target.nodeName == "TEXTAREA") return;
 
-		keychar = keychar.toLowerCase();
+	const action_name = keyevent_to_action(e);
 
-		var hotkeys = getInitParam("hotkeys");
+	if (action_name) {
+		const action_func = hotkey_actions[action_name];
 
-		if (!hotkey_prefix && hotkeys[0].indexOf(keychar) != -1) {
-
-			var date = new Date();
-			var ts = Math.round(date.getTime() / 1000);
-
-			hotkey_prefix = keychar;
-			hotkey_prefix_pressed = ts;
-
-			cmdline.innerHTML = keychar;
-			Element.show(cmdline);
-
-			return true;
-		}
-
-		Element.hide(cmdline);
-
-		var hotkey = keychar.search(/[a-zA-Z0-9]/) != -1 ? keychar : "(" + keycode + ")";
-
-		// ensure ^*char notation
-		if (shift_key) hotkey = "*" + hotkey;
-		if (ctrl_key) hotkey = "^" + hotkey;
-		if (alt_key) hotkey = "+" + hotkey;
-		if (meta_key) hotkey = "%" + hotkey;
-
-		hotkey = hotkey_prefix ? hotkey_prefix + " " + hotkey : hotkey;
-		hotkey_prefix = false;
-
-		var hotkey_action = false;
-		var hotkeys = getInitParam("hotkeys");
-
-		for (sequence in hotkeys[1]) {
-			if (sequence == hotkey) {
-				hotkey_action = hotkeys[1][sequence];
-				break;
-			}
-		}
-
-		var action = hotkey_actions[hotkey_action];
-
-		if (action != null) {
-			action();
+		if (action_func != null) {
+			action_func();
+			e.stopPropagation();
 			return false;
 		}
-
-	} catch (e) {
-		exception_error("hotkey_handler", e);
 	}
 }
 
@@ -958,52 +743,40 @@ function inPreferences() {
 }
 
 function reverseHeadlineOrder() {
-	try {
 
-		/* var query_str = "?op=rpc&method=togglepref&key=REVERSE_HEADLINES";
+	const toolbar = document.forms["main_toolbar_form"];
+	const order_by = dijit.getEnclosingWidget(toolbar.order_by);
 
-		new Ajax.Request("backend.php", {
-			parameters: query_str,
-			onComplete: function(transport) {
-					viewCurrentFeed();
-				} }); */
+	let value = order_by.attr('value');
 
-		var toolbar = document.forms["main_toolbar_form"];
-		var order_by = dijit.getEnclosingWidget(toolbar.order_by);
-
-		var value = order_by.attr('value');
-
-		if (value == "date_reverse")
-			value = "default";
-		else
-			value = "date_reverse";
+	if (value == "date_reverse")
+		value = "default";
+	else
+		value = "date_reverse";
 
-		order_by.attr('value', value);
+	order_by.attr('value', value);
 
-		viewCurrentFeed();
+	viewCurrentFeed();
 
-	} catch (e) {
-		exception_error("reverseHeadlineOrder", e);
-	}
 }
 
 function handle_rpc_json(transport, scheduled_call) {
-	try {
-		var reply = JSON.parse(transport.responseText);
 
-		var netalert_dijit = dijit.byId("net-alert");
-		var netalert = false;
+	const netalert_dijit = dijit.byId("net-alert");
+	let netalert = false;
 
-		if (netalert_dijit)
-			netalert = netalert_dijit.domNode;
+	if (netalert_dijit) netalert = netalert_dijit.domNode;
+
+	try {
+		const reply = JSON.parse(transport.responseText);
 
 		if (reply) {
 
-			var error = reply['error'];
+			const error = reply['error'];
 
 			if (error) {
-				var code = error['code'];
-				var msg = error['msg'];
+				const code = error['code'];
+				const msg = error['msg'];
 
 				console.warn("[handle_rpc_json] received fatal error " + code + "/" + msg);
 
@@ -1013,144 +786,116 @@ function handle_rpc_json(transport, scheduled_call) {
 				}
 			}
 
-			var seq = reply['seq'];
+			const seq = reply['seq'];
 
-			if (seq) {
-				if (get_seq() != seq) {
-					console.log("[handle_rpc_json] sequence mismatch: " + seq +
-						" (want: " + get_seq() + ")");
-					return true;
-				}
+			if (seq && get_seq() != seq) {
+				console.log("[handle_rpc_json] sequence mismatch: " + seq +
+					" (want: " + get_seq() + ")");
+				return true;
 			}
 
-			var message = reply['message'];
+			const message = reply['message'];
 
-			if (message) {
-				if (message == "UPDATE_COUNTERS") {
-					console.log("need to refresh counters...");
-					setInitParam("last_article_id", -1);
-					request_counters(true);
-				}
+			if (message == "UPDATE_COUNTERS") {
+				console.log("need to refresh counters...");
+				setInitParam("last_article_id", -1);
+				request_counters(true);
 			}
 
-			var counters = reply['counters'];
+			const counters = reply['counters'];
 
 			if (counters)
 				parse_counters(counters, scheduled_call);
 
-			var runtime_info = reply['runtime-info'];
+			const runtime_info = reply['runtime-info'];
 
 			if (runtime_info)
 				parse_runtime_info(runtime_info);
 
-			if (netalert) Element.hide(netalert);
+			if (netalert) netalert.hide();
+
+			return reply;
 
 		} else {
 			if (netalert)
-				Element.show(netalert);
+				netalert.show();
 			else
 				notify_error("Communication problem with server.");
 		}
 
 	} catch (e) {
 		if (netalert)
-			Element.show(netalert);
+			netalert.show();
 		else
 			notify_error("Communication problem with server.");
 
-		console.log(e);
-		//exception_error("handle_rpc_json", e, transport);
+		console.error(e);
 	}
 
-	return true;
+	return false;
 }
 
 function switchPanelMode(wide) {
-	try {
-		if (isCdmMode()) return;
+	if (isCdmMode()) return;
 
-		article_id = getActiveArticleId();
+	const article_id = getActiveArticleId();
 
-		if (wide) {
-			dijit.byId("headlines-wrap-inner").attr("design", 'sidebar');
-			dijit.byId("content-insert").attr("region", "trailing");
+	if (wide) {
+		dijit.byId("headlines-wrap-inner").attr("design", 'sidebar');
+		dijit.byId("content-insert").attr("region", "trailing");
 
-	  		dijit.byId("content-insert").domNode.setStyle({width: '50%',
-				height: 'auto',
-				borderTopWidth: '0px' });
+  		dijit.byId("content-insert").domNode.setStyle({width: '50%',
+			height: 'auto',
+			borderTopWidth: '0px' });
 
-			if (parseInt(getCookie("ttrss_ci_width")) > 0) {
-				dijit.byId("content-insert").domNode.setStyle(
-					{width: getCookie("ttrss_ci_width") + "px" });
-			}
-
-			$("headlines-frame").setStyle({ borderBottomWidth: '0px' });
-			$("headlines-frame").addClassName("wide");
-
-		} else {
+		if (parseInt(getCookie("ttrss_ci_width")) > 0) {
+			dijit.byId("content-insert").domNode.setStyle(
+				{width: getCookie("ttrss_ci_width") + "px" });
+		}
 
-			dijit.byId("content-insert").attr("region", "bottom");
+		$("headlines-frame").setStyle({ borderBottomWidth: '0px' });
+		$("headlines-frame").addClassName("wide");
 
-	  		dijit.byId("content-insert").domNode.setStyle({width: 'auto',
-				height: '50%',
-				borderTopWidth: '0px'});
+	} else {
 
-			if (parseInt(getCookie("ttrss_ci_height")) > 0) {
-				dijit.byId("content-insert").domNode.setStyle(
-					{height: getCookie("ttrss_ci_height") + "px" });
-			}
+		dijit.byId("content-insert").attr("region", "bottom");
 
-			$("headlines-frame").setStyle({ borderBottomWidth: '1px' });
-			$("headlines-frame").removeClassName("wide");
+  		dijit.byId("content-insert").domNode.setStyle({width: 'auto',
+			height: '50%',
+			borderTopWidth: '0px'});
 
+		if (parseInt(getCookie("ttrss_ci_height")) > 0) {
+			dijit.byId("content-insert").domNode.setStyle(
+				{height: getCookie("ttrss_ci_height") + "px" });
 		}
 
-		closeArticlePanel();
+		$("headlines-frame").setStyle({ borderBottomWidth: '1px' });
+		$("headlines-frame").removeClassName("wide");
 
-		if (article_id) view(article_id);
+	}
 
-		new Ajax.Request("backend.php", {
-			parameters: "op=rpc&method=setpanelmode&wide=" + (wide ? 1 : 0),
-			onComplete: function(transport) {
-				console.log(transport.responseText);
-			} });
+	closeArticlePanel();
 
+	if (article_id) view(article_id);
 
-	} catch (e) {
-		exception_error("switchPanelMode", e);
-	}
+	xhrPost("backend.php", {op: "rpc", method: "setpanelmode", wide: wide ? 1 : 0});
 }
 
 function update_random_feed() {
-	try {
-		console.log("in update_random_feed");
+	console.log("in update_random_feed");
 
-		new Ajax.Request("backend.php", {
-			parameters: "op=rpc&method=updateRandomFeed",
-			onComplete: function(transport) {
-				handle_rpc_json(transport, true);
-				window.setTimeout("update_random_feed()", 30*1000);
-			} });
-
-	} catch (e) {
-		exception_error("update_random_feed", e);
-	}
+	xhrPost("backend.php", { op: "rpc", method: "updateRandomFeed" }, (transport) => {
+		handle_rpc_json(transport, true);
+		window.setTimeout(update_random_feed, 30*1000);
+	});
 }
 
 function hash_get(key) {
-	try {
-		kv = window.location.hash.substring(1).toQueryParams();
-		return kv[key];
-	} catch (e) {
-		exception_error("hash_get", e);
-	}
+	const kv = window.location.hash.substring(1).toQueryParams();
+	return kv[key];
 }
 function hash_set(key, value) {
-	try {
-		kv = window.location.hash.substring(1).toQueryParams();
-		kv[key] = value;
-		window.location.hash = $H(kv).toQueryString();
-	} catch (e) {
-		exception_error("hash_set", e);
-	}
+	const kv = window.location.hash.substring(1).toQueryParams();
+	kv[key] = value;
+	window.location.hash = $H(kv).toQueryString();
 }