[tt-rss.git] / feedlist.js

var _feed_cur_page = 0;
var _infscroll_disable = 0;
var _infscroll_request_sent = 0;
var feed_under_pointer = undefined;

var counter_timeout_id = false;

var resize_enabled = false;
var selection_disabled = false;
var counters_last_request = 0;

var feeds_sort_by_unread = false;
var feedlist_sortable_enabled = false;

function toggle_sortable_feedlist(enabled) {
/*	try {

		if (enabled) {
			Sortable.create('feedList', {onChange: feedlist_dragsorted, only: "feedCat"});
		} else {
			Sortable.destroy('feedList');
		}

	} catch (e) {
		exception_error("toggle_sortable_feedlist", e);
	} */
}

function viewCategory(cat) {
	viewfeed(cat, '', true);
	return false;
}

function viewNextFeedPage() {
	try {
		//if (!getActiveFeedId()) return;

		console.log("viewNextFeedPage: calling viewfeed(), p: " + parseInt(_feed_cur_page+1));

		viewfeed(getActiveFeedId(), '', activeFeedIsCat(), parseInt(_feed_cur_page+1));

	} catch (e) {
		exception_error("viewNextFeedPage", e);
	}
}


function viewfeed(feed, subop, is_cat, offset) {
	try {
		if (is_cat == undefined) is_cat = false;

//		if (!offset) page_offset = 0;

		last_requested_article = 0;
		//counters_last_request = 0;

		if (feed == getActiveFeedId()) {
			cache_invalidate("F:" + feed);
		}

/*		if (getInitParam("theme") == "" || getInitParam("theme") == "compact") {
			if (getInitParam("hide_feedlist") == 1) {
				Element.hide("feeds-holder");
			}		
		} */

		dijit.byId("content-tabs").selectChild(
			dijit.byId("content-tabs").getChildren()[0]);

		var force_nocache = false;

		var page_offset = 0;

		if (offset > 0) {
			page_offset = offset;
		} else {
			page_offset = 0;
			_feed_cur_page = 0;
			_infscroll_disable = 0;
		}

		if (getActiveFeedId() != feed) {
			_feed_cur_page = 0;
			active_post_id = 0;
			_infscroll_disable = 0;
		}

		if (page_offset != 0 && !subop) {
			var date = new Date();
			var timestamp = Math.round(date.getTime() / 1000);

			console.log(_infscroll_request_sent + " : " + timestamp);

			if (_infscroll_request_sent && _infscroll_request_sent + 30 > timestamp) {
				console.log("infscroll request in progress, aborting");
				return;
			}

			_infscroll_request_sent = timestamp;			
		}

		enableHotkeys();
		hideAuxDlg();
		closeInfoBox();

		Form.enable("main_toolbar_form");

		var toolbar_form = document.forms["main_toolbar_form"];
		var toolbar_query = Form.serialize("main_toolbar_form");

		if (toolbar_form.query) {
			if (toolbar_form.query.value != "") {
				force_nocache = true;
			}
			toolbar_form.query.value = "";
		}

		var query = "?op=viewfeed&feed=" + feed + "&" +
			toolbar_query + "&subop=" + param_escape(subop);

		if ($("search_form")) {
			var search_query = Form.serialize("search_form");
			query = query + "&" + search_query;
			$("search_form").query.value = "";
			closeInfoBox(true);
			force_nocache = true;
		}

//		console.log("IS_CAT_STORED: " + activeFeedIsCat() + ", IS_CAT: " + is_cat);

		if (subop == "MarkAllRead") {

			var show_next_feed = getInitParam("on_catchup_show_next_feed") == "1";

			if (show_next_feed) {

				if (!activeFeedIsCat()) {
	
					var feedlist = $('feedList');
				
					var next_unread_feed = getRelativeFeedId2(feed, false,
							"next", true);

					/* gRFI2 also returns categories which we don't really 
					 * need here, so we skip them */

					while (next_unread_feed && next_unread_feed.match("CAT:")) 
						next_unread_feed = getRelativeFeedId2(
								next_unread_feed.replace("CAT:", ""),
								true, "next", true);
					
					if (!next_unread_feed) {
						next_unread_feed = getRelativeFeedId2(-3, true,
							"next", true);
					}
	
					if (next_unread_feed) {
						query = query + "&nuf=" + param_escape(next_unread_feed);
						//setActiveFeedId(next_unread_feed);
						feed = next_unread_feed;
					}
				} else {
	
					var next_unread_feed = getNextUnreadCat(feed);

					/* we don't need to specify that our next feed is actually
					a category, because we're in the is_cat mode by definition
					already */

					if (next_unread_feed && show_next_feed) {
						query = query + "&nuf=" + param_escape(next_unread_feed);
						feed = next_unread_feed;
					}

				}
			}
		}

		if (is_cat) {
			query = query + "&cat=1";
		}

		if (page_offset != 0) {
			query = query + "&skip=" + page_offset;

			// to prevent duplicate feed titles when showing grouped vfeeds
			if (vgroup_last_feed) {
				query = query + "&vgrlf=" + param_escape(vgroup_last_feed);
			}
		}

		Form.enable("main_toolbar_form");

		console.log(query);

		var container = $("headlinesInnerContainer");

		var unread_ctr = -1;
		
		if (!is_cat) unread_ctr = get_feed_unread(feed);

		var cache_check = false;

		if (unread_ctr != -1 && !page_offset && !force_nocache && !subop) {

			var cache_prefix = "";
				
			if (is_cat) {
				cache_prefix = "C:";
			} else {
				cache_prefix = "F:";
			}

			cache_check = cache_check_param(cache_prefix + feed, unread_ctr);
			console.log("headline cache check: " + cache_check);
		}

		if (cache_check) {

			setActiveFeedId(feed, is_cat);
		
			$("headlines-frame").innerHTML = cache_find_param(cache_prefix + feed, 
				unread_ctr);

			request_counters();
			remove_splash();

		} else {

			if (!is_cat)
				if (!setFeedExpandoIcon(feed, is_cat, 'images/indicator_white.gif'))
					notify_progress("Loading, please wait...", true);

			new Ajax.Request("backend.php", {
				parameters: query,
				onComplete: function(transport) { 
					setFeedExpandoIcon(feed, is_cat, 'images/blank_icon.gif');
					headlines_callback2(transport, page_offset); 
				} });
		}

	} catch (e) {
		exception_error("viewfeed", e);
	}		
}


function feedlist_dragsorted(ctr) {
	try {
		var cats = $$("#feedList > li[id*=FCAT-]");
		var ordered_cats = [];

		cats.each(function(cat) {
			ordered_cats.push(cat.id.replace("FCAT-", ""));
		});

		if (ordered_cats.length > 0) {

			var query = "?op=feeds&subop=catsort&corder=" + 
				param_escape(ordered_cats.toString());

			//console.log(query);

			new Ajax.Request("backend.php", { parameters: query });
		}

	} catch (e) {
		exception_error("feedlist_dragsorted", e);
	}
}

function feedlist_init() {
	try {
		loading_set_progress(90);

		console.log("in feedlist init");
		
		hideOrShowFeeds(getInitParam("hide_read_feeds") == 1);
		document.onkeydown = hotkey_handler;
		setTimeout("hotkey_prefix_timeout()", 5*1000);

		 if (getActiveFeedId()) {
			//console.log("some feed is open on feedlist refresh, reloading");
			//setTimeout("viewCurrentFeed()", 100);
		} else {
			if (getInitParam("cdm_auto_catchup") != 1) {
				setTimeout("viewfeed(-3)", 100);
			} else {
				setTimeout("viewfeed(-5)", 100);
				remove_splash();
			}
		} 

		console.log("T:" + 
				getInitParam("cdm_auto_catchup") + " " + get_feed_unread(-3));

		toggle_sortable_feedlist(isFeedlistSortable());

	} catch (e) {
		exception_error("feedlist/init", e);
	}
}

function enable_selection(b) {
	selection_disabled = !b;
}

function enable_resize(b) {
	resize_enabled = b;
}

function request_counters_real() {
	try {
		console.log("requesting counters...");

		var query = "?op=rpc&subop=getAllCounters&seq=" + next_seq();

		query = query + "&omode=flc";

		new Ajax.Request("backend.php", {
			parameters: query,
			onComplete: function(transport) { 
				try {
					handle_rpc_reply(transport);
				} catch (e) {
					exception_error("viewfeed/getcounters", e);
				}
			} });

	} catch (e) {
		exception_error("request_counters_real", e);
	}
}


function request_counters() {

	try {

		if (getInitParam("bw_limit") == "1") return;

		var date = new Date();
		var timestamp = Math.round(date.getTime() / 1000);

		if (timestamp - counters_last_request > 5) {
			console.log("scheduling request of counters...");

			window.clearTimeout(counter_timeout_id);
			counter_timeout_id = window.setTimeout("request_counters_real()", 1000);

			counters_last_request = timestamp;
		} else {
			console.log("request_counters: rate limit reached: " + (timestamp - counters_last_request));
		}

	} catch (e) {
		exception_error("request_counters", e);
	}
}

function displayNewContentPrompt(id) {
	try {

		var msg = "<a href='#' onclick='viewfeed("+id+")'>" +
			__("New articles available in this feed (click to show)") + "</a>";

		msg = msg.replace("%s", getFeedName(id));

		$('auxDlg').innerHTML = msg;

		new Effect.Appear('auxDlg', {duration : 0.5});

	} catch (e) {
		exception_error("displayNewContentPrompt", e);
	}
}

function parse_counters(reply, scheduled_call) {
	try {

		var feeds_found = 0;

		var elems = JSON.parse(reply.firstChild.nodeValue);

		for (var l = 0; l < elems.length; l++) {

			var id = elems[l].id
			var kind = elems[l].kind;
			var ctr = parseInt(elems[l].counter)
			var error = elems[l].error;
			var has_img = elems[l].has_img;
			var updated = elems[l].updated;
			var title = elems[l].title;
			var xmsg = elems[l].xmsg;
	
			if (id == "global-unread") {
				global_unread = ctr;
				updateTitle();
				continue;
			}

			if (id == "subscribed-feeds") {
				feeds_found = ctr;
				continue;
			}

			var treeItem;

			setFeedUnread(id, (kind == "cat"), ctr);

			if (kind != "cat") {
				//setFeedValue(id, false, 'error', error);
				setFeedValue(id, false, 'updated', updated);

				if (id > 0) {
					if (has_img) {
						setFeedIcon(id, false, 
							getInitParam("icons_url") + "/" + id + ".ico");
					} else {
						setFeedIcon(id, false, 'images/blank_icon.gif');
					}
				}
			}
		}
	
		hideOrShowFeeds(getInitParam("hide_read_feeds") == 1);

		var feeds_stored = number_of_feeds;

		if (feeds_stored != feeds_found) {
			number_of_feeds = feeds_found;

			if (feeds_stored != 0 && feeds_found != 0) {
				console.log("Subscribed feed number changed, refreshing feedlist");
				setTimeout('updateFeedList()', 50);
			}
		}

	} catch (e) {
		exception_error("parse_counters", e);
	}
}

function get_feed_unread(feed, is_cat) {
	try {
		if (is_cat) 
			treeItem = treeModel.store._itemsByIdentity['CAT:' + feed];
		else
			treeItem = treeModel.store._itemsByIdentity['FEED:' + feed];

		if (treeItem)
			return treeModel.store.getValue(treeItem, 'unread');

	} catch (e) {
		//
	}

	return -1;
}

function get_cat_unread(id) {
	return get_feed_unread(id, true);
}

function get_feed_entry_unread(elem) {

	var id = elem.id.replace("FEEDR-", "");

	if (id <= 0) {
		return -1;
	}

	try {
		return parseInt($("FEEDU-" + id).innerHTML);	
	} catch (e) {
		return -1;
	}
}

function get_feed_entry_name(elem) {
	var id = elem.id.replace("FEEDR-", "");
	return getFeedName(id);
}


function resort_category(node, cat_mode) {

	try {

		//console.log("resort_category: " + node + " CM=" + cat_mode);
	
		var by_unread = feedsSortByUnread();
	
		var list = node.getElementsByTagName("LI");

		for (i = 0; i < list.length; i++) {
	
			for (j = i+1; j < list.length; j++) {			
	
				var tmp_val = get_feed_entry_unread(list[i]);
				var cur_val = get_feed_entry_unread(list[j]);
				
				//console.log(list[i].id + " vs " + list[j].id);
	
				var tmp_name = get_feed_entry_name(list[i]).toLowerCase();
				var cur_name = get_feed_entry_name(list[j]).toLowerCase();

				/* we don't want to match FEEDR-0 - e.g. Archived articles */

				var valid_pair = cat_mode || (list[i].id.match(/FEEDR-[1-9]/) &&
						list[j].id.match(/FEEDR-[1-9]/));

				if (valid_pair && ((by_unread && (cur_val > tmp_val)) || (!by_unread && (cur_name < tmp_name)))) {
					tempnode_i = list[i].cloneNode(true);
					tempnode_j = list[j].cloneNode(true);
					node.replaceChild(tempnode_i, list[j]);
					node.replaceChild(tempnode_j, list[i]);
				}
			}
		}

	} catch (e) {
		exception_error("resort_category", e);
	}

}

function resort_feedlist() {
	return;

	console.log("resort_feedlist");

	if ($("FCATLIST--1")) {

		var lists = $$("#feedList ul[id*=FCATLIST]");

		lists.each(function(list) {
				if (list.id != "FCATLIST--1") resort_category(list, true);
			});

	} else {
		resort_category($("feedList"), false);
	}
}

function hideOrShowFeeds(hide) {
	var tree = dijit.byId("feedTree");

	if (!tree) return;

	if (getInitParam("enable_feed_cats")) {

		var cats = tree.model.store._arrayOfTopLevelItems;

		cats.each(function(cat) {
			var cat_unread = hideOrShowFeedsCategory(cat.items, hide);
	
			var id = String(cat.id);
			var node = tree._itemNodesMap[id];
	
			if (node) {
				if (hide && cat_unread == 0) {
					Effect.Fade(node[0].rowNode, {duration : 0.3, 
						queue: { position: 'end', scope: 'FFADE-' + id, limit: 1 }});
				} else {
					Element.show(node[0].rowNode);
					++cat_unread;
				}
			}
	
		});

	} else {
		hideOrShowFeedsCategory(tree.model.store._arrayOfTopLevelItems, hide);
	}

/*	try {

		if ($("FCATLIST--1")) {
	
			var lists = $$("#feedList ul[id*=FCATLIST]");
	
			lists.each(function(list) {
					hideOrShowFeedsCategory(list.id.replace("FCATLIST-", ""), hide);
				});
	
		} else {
			hideOrShowFeedsCategory(null, hide);
		}

	} catch (e) {
		exception_error("hideOrShowFeeds", e);
	} */
}

function hideOrShowFeedsCategory(feeds, hide) {
	try {
		//console.warn("hideOrShowFeedsCategory: function not implemented");
	var tree = dijit.byId("feedTree");

	if (!tree) return;

	var cat_unread = 0;

	feeds.each(function(feed) {
		var id = String(feed.id);
		var bare_id = parseInt(id.substr(id.indexOf(":")+1));

		var unread = feed.unread[0];
		var node = tree._itemNodesMap[id];

		if (node) {
			if (hide && unread == 0 && (bare_id > 0 || !getInitParam("hide_read_shows_special"))) {
				Effect.Fade(node[0].rowNode, {duration : 0.3, 
					queue: { position: 'end', scope: 'FFADE-' + id, limit: 1 }});
			} else {
				Element.show(node[0].rowNode);
				++cat_unread;
			}
		}
	});

	return cat_unread;

/*		var nodes;
		var cat_node;
		
		if (cat_id) {
			nodes = $$("#FCATLIST-" + cat_id + " > li");
			cat_node = $("FCAT-" + cat_id);
		} else {
			nodes = $$("#feedList li");
		}

		var cat_unread = 0;

		nodes.each(function(node) {

			var is_unread = node.hasClassName("Unread") ||
				node.hasClassName("Selected") || 
				(node.hasClassName("virt") && 
				 	getInitParam("hide_read_shows_special"));

			if (hide && !is_unread) {
				Effect.Fade(node, {duration : 0.3, 
					queue: { position: 'end', scope: 'FFADE-' + node.id, limit: 1 }});
			} else {
				Element.show(node);
				++cat_unread;
			}

		});

		if (cat_node) {
			if (hide && cat_unread == 0 && !cat_node.hasClassName("Selected")) {
				Effect.Fade(cat_node, {duration : 0.3, 
					queue: { position: 'end', scope: 'CFADE-' + cat_node.id, limit: 1 }});
			} else {
				Element.show(cat_node);
			}
		} */

	} catch (e) {
		exception_error("hideOrShowFeedsCategory", e);
	}
}

function getFeedName(feed, is_cat) {	
	return getFeedValue(feed, is_cat, 'name');
}

function getFeedValue(feed, is_cat, key) {	

	try {
		if (is_cat) 
			treeItem = treeModel.store._itemsByIdentity['CAT:' + feed];
		else
			treeItem = treeModel.store._itemsByIdentity['FEED:' + feed];

		if (treeItem)
			return treeModel.store.getValue(treeItem, key);

	} catch (e) {
		//
	}

	return '';
}

function getNextUnreadCat(id) {
	try {
		var rows = $$("#feedList li[id*=FCAT]");
		var unread_cats = [];

		rows.each(function(row) {
			var cat_id = row.id.replace("FCAT-", "");

			if (Element.visible(row) && get_cat_unread(cat_id) > 0)
				unread_cats.push(parseInt(cat_id));
			});

		console.log(unread_cats);
		
		var idx = unread_cats.indexOf(id);

		if (idx != -1 && idx < unread_cats.length-1) {
			return unread_cats[idx+1];					
		} else {
			return unread_cats[0];
		}

	} catch (e) {
		exception_error("getNextUnreadCat", e);
	}
}

function getRelativeFeedId2(id, is_cat, direction, unread_only) {	
	try {

//		alert(id + " IC: " + is_cat + " D: " + direction + " U: " + unread_only);

		var rows = $$("#feedList li");
		var feeds = new Array();
	
		for (var i = 0; i < rows.length; i++) {
			if (rows[i].id.match("FEEDR-")) {
	
				if (rows[i].id == "FEEDR-" + id && !is_cat || (Element.visible(rows[i]) && Element.visible(rows[i].parentNode))) {
	
					if (!unread_only || 
							(rows[i].hasClassName("Unread") || rows[i].id == "FEEDR-" + id)) {
						feeds.push(rows[i].id.replace("FEEDR-", ""));
					}
				}
			}

			if (rows[i].id.match("FCAT-")) {
				if (rows[i].id == "FCAT-" + id && is_cat || (Element.visible(rows[i]) && Element.visible(rows[i].parentNode))) {

					var cat_id = parseInt(rows[i].id.replace("FCAT-", ""));

					if (cat_id >= 0) {
						if (!unread_only || get_cat_unread(cat_id) > 0) {
							feeds.push("CAT:"+cat_id);
						}
					}
				}
			}
		}
	
//		alert(feeds.toString());

		if (!id) {
			if (direction == "next") {
				return feeds.shift();
			} else {
				return feeds.pop();
			}
		} else {
			if (direction == "next") {
				if (is_cat) id = "CAT:" + id;
				var idx = feeds.indexOf(id);
				if (idx != -1 && idx < feeds.length) {
					return feeds[idx+1];					
				} else {
					return getRelativeFeedId2(false, is_cat, direction, unread_only);
				}
			} else {
				if (is_cat) id = "CAT:" + id;
				var idx = feeds.indexOf(id);
				if (idx > 0) {
					return feeds[idx-1];
				} else {
					return getRelativeFeedId2(false, is_cat, direction, unread_only);
				}
			}
	
		}

	} catch (e) {
		exception_error("getRelativeFeedId2", e);
	}
}

function feedsSortByUnread() {
	return feeds_sort_by_unread;
}

function setFeedUnread(feed, is_cat, unread) {
	try {
		setFeedValue(feed, is_cat, 'unread', parseInt(unread));
	} catch (e) {
		exception_error("setFeedUnread", e);
	}
}

function setFeedValue(feed, is_cat, key, value) {
	try {
		if (!value) value = '';

		if (is_cat) 
			treeItem = treeModel.store._itemsByIdentity['CAT:' + feed];
		else
			treeItem = treeModel.store._itemsByIdentity['FEED:' + feed];

		if (treeItem)
			treeModel.store.setValue(treeItem, key, value);

	} catch (e) {
		console.log(e);
		//exception_error("setFeedValue", e);
	}
}

function toggleCollapseCat(id) {
	console.warn("toggleCollapseCat: function not implemented");
}

function selectFeed(feed, is_cat) {
	try {
		var tree = dijit.byId("feedTree");

		if (!tree) return;

		if (is_cat) 
			treeNode = tree._itemNodesMap['CAT:' + feed];
		else
			treeNode = tree._itemNodesMap['FEED:' + feed];

		if (treeNode) {
			treeNode = treeNode[0];
			if (!is_cat) tree._expandNode(treeNode);
			tree._selectNode(treeNode);
		}

	} catch (e) {
		exception_error("selectFeed", e);
	}
}

function setFeedIcon(feed, is_cat, src) {
	try {
		var tree = dijit.byId("feedTree");

		if (!tree) return;

		if (is_cat) 
			treeNode = tree._itemNodesMap['CAT:' + feed];
		else
			treeNode = tree._itemNodesMap['FEED:' + feed];

		if (treeNode) {
			treeNode = treeNode[0];
			treeNode.iconNode.src = src;
		}

	} catch (e) {
		exception_error("setFeedIcon", e);
	}
}

function setFeedExpandoIcon(feed, is_cat, src) {
	try {
		var tree = dijit.byId("feedTree");

		if (!tree) return;

		if (is_cat) 
			treeNode = tree._itemNodesMap['CAT:' + feed];
		else
			treeNode = tree._itemNodesMap['FEED:' + feed];

		if (treeNode) {
			treeNode = treeNode[0];
			treeNode.expandoNode.src = src;
			return true;
		}

	} catch (e) {
		exception_error("setFeedIcon", e);
	}
	return false;
}
Commit	Line	Data
	1	var _feed_cur_page = 0;
	2	var _infscroll_disable = 0;
	3	var _infscroll_request_sent = 0;
	4	var feed_under_pointer = undefined;
	5
	6	var counter_timeout_id = false;
	7
	8	var resize_enabled = false;
	9	var selection_disabled = false;
	10	var counters_last_request = 0;
	11
	12	var feeds_sort_by_unread = false;
	13	var feedlist_sortable_enabled = false;
	14
	15	function toggle_sortable_feedlist(enabled) {
	16	/* try {
	17
	18	if (enabled) {
	19	Sortable.create('feedList', {onChange: feedlist_dragsorted, only: "feedCat"});
	20	} else {
	21	Sortable.destroy('feedList');
	22	}
	23
	24	} catch (e) {
	25	exception_error("toggle_sortable_feedlist", e);
	26	} */
	27	}
	28
	29	function viewCategory(cat) {
	30	viewfeed(cat, '', true);
	31	return false;
	32	}
	33
	34	function viewNextFeedPage() {
	35	try {
	36	//if (!getActiveFeedId()) return;
	37
	38	console.log("viewNextFeedPage: calling viewfeed(), p: " + parseInt(_feed_cur_page+1));
	39
	40	viewfeed(getActiveFeedId(), '', activeFeedIsCat(), parseInt(_feed_cur_page+1));
	41
	42	} catch (e) {
	43	exception_error("viewNextFeedPage", e);
	44	}
	45	}
	46
	47
	48	function viewfeed(feed, subop, is_cat, offset) {
	49	try {
	50	if (is_cat == undefined) is_cat = false;
	51
	52	// if (!offset) page_offset = 0;
	53
	54	last_requested_article = 0;
	55	//counters_last_request = 0;
	56
	57	if (feed == getActiveFeedId()) {
	58	cache_invalidate("F:" + feed);
	59	}
	60
	61	/* if (getInitParam("theme") == "" \|\| getInitParam("theme") == "compact") {
	62	if (getInitParam("hide_feedlist") == 1) {
	63	Element.hide("feeds-holder");
	64	}
	65	} */
	66
	67	dijit.byId("content-tabs").selectChild(
	68	dijit.byId("content-tabs").getChildren()[0]);
	69
	70	var force_nocache = false;
	71
	72	var page_offset = 0;
	73
	74	if (offset > 0) {
	75	page_offset = offset;
	76	} else {
	77	page_offset = 0;
	78	_feed_cur_page = 0;
	79	_infscroll_disable = 0;
	80	}
	81
	82	if (getActiveFeedId() != feed) {
	83	_feed_cur_page = 0;
	84	active_post_id = 0;
	85	_infscroll_disable = 0;
	86	}
	87
	88	if (page_offset != 0 && !subop) {
	89	var date = new Date();
	90	var timestamp = Math.round(date.getTime() / 1000);
	91
	92	console.log(_infscroll_request_sent + " : " + timestamp);
	93
	94	if (_infscroll_request_sent && _infscroll_request_sent + 30 > timestamp) {
	95	console.log("infscroll request in progress, aborting");
	96	return;
	97	}
	98
	99	_infscroll_request_sent = timestamp;
	100	}
	101
	102	enableHotkeys();
	103	hideAuxDlg();
	104	closeInfoBox();
	105
	106	Form.enable("main_toolbar_form");
	107
	108	var toolbar_form = document.forms["main_toolbar_form"];
	109	var toolbar_query = Form.serialize("main_toolbar_form");
	110
	111	if (toolbar_form.query) {
	112	if (toolbar_form.query.value != "") {
	113	force_nocache = true;
	114	}
	115	toolbar_form.query.value = "";
	116	}
	117
	118	var query = "?op=viewfeed&feed=" + feed + "&" +
	119	toolbar_query + "&subop=" + param_escape(subop);
	120
	121	if ($("search_form")) {
	122	var search_query = Form.serialize("search_form");
	123	query = query + "&" + search_query;
	124	$("search_form").query.value = "";
	125	closeInfoBox(true);
	126	force_nocache = true;
	127	}
	128
	129	// console.log("IS_CAT_STORED: " + activeFeedIsCat() + ", IS_CAT: " + is_cat);
	130
	131	if (subop == "MarkAllRead") {
	132
	133	var show_next_feed = getInitParam("on_catchup_show_next_feed") == "1";
	134
	135	if (show_next_feed) {
	136
	137	if (!activeFeedIsCat()) {
	138
	139	var feedlist = $('feedList');
	140
	141	var next_unread_feed = getRelativeFeedId2(feed, false,
	142	"next", true);
	143
	144	/* gRFI2 also returns categories which we don't really
	145	* need here, so we skip them */
	146
	147	while (next_unread_feed && next_unread_feed.match("CAT:"))
	148	next_unread_feed = getRelativeFeedId2(
	149	next_unread_feed.replace("CAT:", ""),
	150	true, "next", true);
	151
	152	if (!next_unread_feed) {
	153	next_unread_feed = getRelativeFeedId2(-3, true,
	154	"next", true);
	155	}
	156
	157	if (next_unread_feed) {
	158	query = query + "&nuf=" + param_escape(next_unread_feed);
	159	//setActiveFeedId(next_unread_feed);
	160	feed = next_unread_feed;
	161	}
	162	} else {
	163
	164	var next_unread_feed = getNextUnreadCat(feed);
	165
	166	/* we don't need to specify that our next feed is actually
	167	a category, because we're in the is_cat mode by definition
	168	already */
	169
	170	if (next_unread_feed && show_next_feed) {
	171	query = query + "&nuf=" + param_escape(next_unread_feed);
	172	feed = next_unread_feed;
	173	}
	174
	175	}
	176	}
	177	}
	178
	179	if (is_cat) {
	180	query = query + "&cat=1";
	181	}
	182
	183	if (page_offset != 0) {
	184	query = query + "&skip=" + page_offset;
	185
	186	// to prevent duplicate feed titles when showing grouped vfeeds
	187	if (vgroup_last_feed) {
	188	query = query + "&vgrlf=" + param_escape(vgroup_last_feed);
	189	}
	190	}
	191
	192	Form.enable("main_toolbar_form");
	193
	194	console.log(query);
	195
	196	var container = $("headlinesInnerContainer");
	197
	198	var unread_ctr = -1;
	199
	200	if (!is_cat) unread_ctr = get_feed_unread(feed);
	201
	202	var cache_check = false;
	203
	204	if (unread_ctr != -1 && !page_offset && !force_nocache && !subop) {
	205
	206	var cache_prefix = "";
	207
	208	if (is_cat) {
	209	cache_prefix = "C:";
	210	} else {
	211	cache_prefix = "F:";
	212	}
	213
	214	cache_check = cache_check_param(cache_prefix + feed, unread_ctr);
	215	console.log("headline cache check: " + cache_check);
	216	}
	217
	218	if (cache_check) {
	219
	220	setActiveFeedId(feed, is_cat);
	221
	222	$("headlines-frame").innerHTML = cache_find_param(cache_prefix + feed,
	223	unread_ctr);
	224
	225	request_counters();
	226	remove_splash();
	227
	228	} else {
	229
	230	if (!is_cat)
	231	if (!setFeedExpandoIcon(feed, is_cat, 'images/indicator_white.gif'))
	232	notify_progress("Loading, please wait...", true);
	233
	234	new Ajax.Request("backend.php", {
	235	parameters: query,
	236	onComplete: function(transport) {
	237	setFeedExpandoIcon(feed, is_cat, 'images/blank_icon.gif');
	238	headlines_callback2(transport, page_offset);
	239	} });
	240	}
	241
	242	} catch (e) {
	243	exception_error("viewfeed", e);
	244	}
	245	}
	246
	247
	248	function feedlist_dragsorted(ctr) {
	249	try {
	250	var cats = $$("#feedList > li[id*=FCAT-]");
	251	var ordered_cats = [];
	252
	253	cats.each(function(cat) {
	254	ordered_cats.push(cat.id.replace("FCAT-", ""));
	255	});
	256
	257	if (ordered_cats.length > 0) {
	258
	259	var query = "?op=feeds&subop=catsort&corder=" +
	260	param_escape(ordered_cats.toString());
	261
	262	//console.log(query);
	263
	264	new Ajax.Request("backend.php", { parameters: query });
	265	}
	266
	267	} catch (e) {
	268	exception_error("feedlist_dragsorted", e);
	269	}
	270	}
	271
	272	function feedlist_init() {
	273	try {
	274	loading_set_progress(90);
	275
	276	console.log("in feedlist init");
	277
	278	hideOrShowFeeds(getInitParam("hide_read_feeds") == 1);
	279	document.onkeydown = hotkey_handler;
	280	setTimeout("hotkey_prefix_timeout()", 5*1000);
	281
	282	if (getActiveFeedId()) {
	283	//console.log("some feed is open on feedlist refresh, reloading");
	284	//setTimeout("viewCurrentFeed()", 100);
	285	} else {
	286	if (getInitParam("cdm_auto_catchup") != 1) {
	287	setTimeout("viewfeed(-3)", 100);
	288	} else {
	289	setTimeout("viewfeed(-5)", 100);
	290	remove_splash();
	291	}
	292	}
	293
	294	console.log("T:" +
	295	getInitParam("cdm_auto_catchup") + " " + get_feed_unread(-3));
	296
	297	toggle_sortable_feedlist(isFeedlistSortable());
	298
	299	} catch (e) {
	300	exception_error("feedlist/init", e);
	301	}
	302	}
	303
	304	function enable_selection(b) {
	305	selection_disabled = !b;
	306	}
	307
	308	function enable_resize(b) {
	309	resize_enabled = b;
	310	}
	311
	312	function request_counters_real() {
	313	try {
	314	console.log("requesting counters...");
	315
	316	var query = "?op=rpc&subop=getAllCounters&seq=" + next_seq();
	317
	318	query = query + "&omode=flc";
	319
	320	new Ajax.Request("backend.php", {
	321	parameters: query,
	322	onComplete: function(transport) {
	323	try {
	324	handle_rpc_reply(transport);
	325	} catch (e) {
	326	exception_error("viewfeed/getcounters", e);
	327	}
	328	} });
	329
	330	} catch (e) {
	331	exception_error("request_counters_real", e);
	332	}
	333	}
	334
	335
	336	function request_counters() {
	337
	338	try {
	339
	340	if (getInitParam("bw_limit") == "1") return;
	341
	342	var date = new Date();
	343	var timestamp = Math.round(date.getTime() / 1000);
	344
	345	if (timestamp - counters_last_request > 5) {
	346	console.log("scheduling request of counters...");
	347
	348	window.clearTimeout(counter_timeout_id);
	349	counter_timeout_id = window.setTimeout("request_counters_real()", 1000);
	350
	351	counters_last_request = timestamp;
	352	} else {
	353	console.log("request_counters: rate limit reached: " + (timestamp - counters_last_request));
	354	}
	355
	356	} catch (e) {
	357	exception_error("request_counters", e);
	358	}
	359	}
	360
	361	function displayNewContentPrompt(id) {
	362	try {
	363
	364	var msg = "<a href='#' onclick='viewfeed("+id+")'>" +
	365	__("New articles available in this feed (click to show)") + "</a>";
	366
	367	msg = msg.replace("%s", getFeedName(id));
	368
	369	$('auxDlg').innerHTML = msg;
	370
	371	new Effect.Appear('auxDlg', {duration : 0.5});
	372
	373	} catch (e) {
	374	exception_error("displayNewContentPrompt", e);
	375	}
	376	}
	377
	378	function parse_counters(reply, scheduled_call) {
	379	try {
	380
	381	var feeds_found = 0;
	382
	383	var elems = JSON.parse(reply.firstChild.nodeValue);
	384
	385	for (var l = 0; l < elems.length; l++) {
	386
	387	var id = elems[l].id
	388	var kind = elems[l].kind;
	389	var ctr = parseInt(elems[l].counter)
	390	var error = elems[l].error;
	391	var has_img = elems[l].has_img;
	392	var updated = elems[l].updated;
	393	var title = elems[l].title;
	394	var xmsg = elems[l].xmsg;
	395
	396	if (id == "global-unread") {
	397	global_unread = ctr;
	398	updateTitle();
	399	continue;
	400	}
	401
	402	if (id == "subscribed-feeds") {
	403	feeds_found = ctr;
	404	continue;
	405	}
	406
	407	var treeItem;
	408
	409	setFeedUnread(id, (kind == "cat"), ctr);
	410
	411	if (kind != "cat") {
	412	//setFeedValue(id, false, 'error', error);
	413	setFeedValue(id, false, 'updated', updated);
	414
	415	if (id > 0) {
	416	if (has_img) {
	417	setFeedIcon(id, false,
	418	getInitParam("icons_url") + "/" + id + ".ico");
	419	} else {
	420	setFeedIcon(id, false, 'images/blank_icon.gif');
	421	}
	422	}
	423	}
	424	}
	425
	426	hideOrShowFeeds(getInitParam("hide_read_feeds") == 1);
	427
	428	var feeds_stored = number_of_feeds;
	429
	430	if (feeds_stored != feeds_found) {
	431	number_of_feeds = feeds_found;
	432
	433	if (feeds_stored != 0 && feeds_found != 0) {
	434	console.log("Subscribed feed number changed, refreshing feedlist");
	435	setTimeout('updateFeedList()', 50);
	436	}
	437	}
	438
	439	} catch (e) {
	440	exception_error("parse_counters", e);
	441	}
	442	}
	443
	444	function get_feed_unread(feed, is_cat) {
	445	try {
	446	if (is_cat)
	447	treeItem = treeModel.store._itemsByIdentity['CAT:' + feed];
	448	else
	449	treeItem = treeModel.store._itemsByIdentity['FEED:' + feed];
	450
	451	if (treeItem)
	452	return treeModel.store.getValue(treeItem, 'unread');
	453
	454	} catch (e) {
	455	//
	456	}
	457
	458	return -1;
	459	}
	460
	461	function get_cat_unread(id) {
	462	return get_feed_unread(id, true);
	463	}
	464
	465	function get_feed_entry_unread(elem) {
	466
	467	var id = elem.id.replace("FEEDR-", "");
	468
	469	if (id <= 0) {
	470	return -1;
	471	}
	472
	473	try {
	474	return parseInt($("FEEDU-" + id).innerHTML);
	475	} catch (e) {
	476	return -1;
	477	}
	478	}
	479
	480	function get_feed_entry_name(elem) {
	481	var id = elem.id.replace("FEEDR-", "");
	482	return getFeedName(id);
	483	}
	484
	485
	486	function resort_category(node, cat_mode) {
	487
	488	try {
	489
	490	//console.log("resort_category: " + node + " CM=" + cat_mode);
	491
	492	var by_unread = feedsSortByUnread();
	493
	494	var list = node.getElementsByTagName("LI");
	495
	496	for (i = 0; i < list.length; i++) {
	497
	498	for (j = i+1; j < list.length; j++) {
	499
	500	var tmp_val = get_feed_entry_unread(list[i]);
	501	var cur_val = get_feed_entry_unread(list[j]);
	502
	503	//console.log(list[i].id + " vs " + list[j].id);
	504
	505	var tmp_name = get_feed_entry_name(list[i]).toLowerCase();
	506	var cur_name = get_feed_entry_name(list[j]).toLowerCase();
	507
	508	/* we don't want to match FEEDR-0 - e.g. Archived articles */
	509
	510	var valid_pair = cat_mode \|\| (list[i].id.match(/FEEDR-[1-9]/) &&
	511	list[j].id.match(/FEEDR-[1-9]/));
	512
	513	if (valid_pair && ((by_unread && (cur_val > tmp_val)) \|\| (!by_unread && (cur_name < tmp_name)))) {
	514	tempnode_i = list[i].cloneNode(true);
	515	tempnode_j = list[j].cloneNode(true);
	516	node.replaceChild(tempnode_i, list[j]);
	517	node.replaceChild(tempnode_j, list[i]);
	518	}
	519	}
	520	}
	521
	522	} catch (e) {
	523	exception_error("resort_category", e);
	524	}
	525
	526	}
	527
	528	function resort_feedlist() {
	529	return;
	530
	531	console.log("resort_feedlist");
	532
	533	if ($("FCATLIST--1")) {
	534
	535	var lists = $$("#feedList ul[id*=FCATLIST]");
	536
	537	lists.each(function(list) {
	538	if (list.id != "FCATLIST--1") resort_category(list, true);
	539	});
	540
	541	} else {
	542	resort_category($("feedList"), false);
	543	}
	544	}
	545
	546	function hideOrShowFeeds(hide) {
	547	var tree = dijit.byId("feedTree");
	548
	549	if (!tree) return;
	550
	551	if (getInitParam("enable_feed_cats")) {
	552
	553	var cats = tree.model.store._arrayOfTopLevelItems;
	554
	555	cats.each(function(cat) {
	556	var cat_unread = hideOrShowFeedsCategory(cat.items, hide);
	557
	558	var id = String(cat.id);
	559	var node = tree._itemNodesMap[id];
	560
	561	if (node) {
	562	if (hide && cat_unread == 0) {
	563	Effect.Fade(node[0].rowNode, {duration : 0.3,
	564	queue: { position: 'end', scope: 'FFADE-' + id, limit: 1 }});
	565	} else {
	566	Element.show(node[0].rowNode);
	567	++cat_unread;
	568	}
	569	}
	570
	571	});
	572
	573	} else {
	574	hideOrShowFeedsCategory(tree.model.store._arrayOfTopLevelItems, hide);
	575	}
	576
	577	/* try {
	578
	579	if ($("FCATLIST--1")) {
	580
	581	var lists = $$("#feedList ul[id*=FCATLIST]");
	582
	583	lists.each(function(list) {
	584	hideOrShowFeedsCategory(list.id.replace("FCATLIST-", ""), hide);
	585	});
	586
	587	} else {
	588	hideOrShowFeedsCategory(null, hide);
	589	}
	590
	591	} catch (e) {
	592	exception_error("hideOrShowFeeds", e);
	593	} */
	594	}
	595
	596	function hideOrShowFeedsCategory(feeds, hide) {
	597	try {
	598	//console.warn("hideOrShowFeedsCategory: function not implemented");
	599	var tree = dijit.byId("feedTree");
	600
	601	if (!tree) return;
	602
	603	var cat_unread = 0;
	604
	605	feeds.each(function(feed) {
	606	var id = String(feed.id);
	607	var bare_id = parseInt(id.substr(id.indexOf(":")+1));
	608
	609	var unread = feed.unread[0];
	610	var node = tree._itemNodesMap[id];
	611
	612	if (node) {
	613	if (hide && unread == 0 && (bare_id > 0 \|\| !getInitParam("hide_read_shows_special"))) {
	614	Effect.Fade(node[0].rowNode, {duration : 0.3,
	615	queue: { position: 'end', scope: 'FFADE-' + id, limit: 1 }});
	616	} else {
	617	Element.show(node[0].rowNode);
	618	++cat_unread;
	619	}
	620	}
	621	});
	622
	623	return cat_unread;
	624
	625	/* var nodes;
	626	var cat_node;
	627
	628	if (cat_id) {
	629	nodes = $$("#FCATLIST-" + cat_id + " > li");
	630	cat_node = $("FCAT-" + cat_id);
	631	} else {
	632	nodes = $$("#feedList li");
	633	}
	634
	635	var cat_unread = 0;
	636
	637	nodes.each(function(node) {
	638
	639	var is_unread = node.hasClassName("Unread") \|\|
	640	node.hasClassName("Selected") \|\|
	641	(node.hasClassName("virt") &&
	642	getInitParam("hide_read_shows_special"));
	643
	644	if (hide && !is_unread) {
	645	Effect.Fade(node, {duration : 0.3,
	646	queue: { position: 'end', scope: 'FFADE-' + node.id, limit: 1 }});
	647	} else {
	648	Element.show(node);
	649	++cat_unread;
	650	}
	651
	652	});
	653
	654	if (cat_node) {
	655	if (hide && cat_unread == 0 && !cat_node.hasClassName("Selected")) {
	656	Effect.Fade(cat_node, {duration : 0.3,
	657	queue: { position: 'end', scope: 'CFADE-' + cat_node.id, limit: 1 }});
	658	} else {
	659	Element.show(cat_node);
	660	}
	661	} */
	662
	663	} catch (e) {
	664	exception_error("hideOrShowFeedsCategory", e);
	665	}
	666	}
	667
	668	function getFeedName(feed, is_cat) {
	669	return getFeedValue(feed, is_cat, 'name');
	670	}
	671
	672	function getFeedValue(feed, is_cat, key) {
	673
	674	try {
	675	if (is_cat)
	676	treeItem = treeModel.store._itemsByIdentity['CAT:' + feed];
	677	else
	678	treeItem = treeModel.store._itemsByIdentity['FEED:' + feed];
	679
	680	if (treeItem)
	681	return treeModel.store.getValue(treeItem, key);
	682
	683	} catch (e) {
	684	//
	685	}
	686
	687	return '';
	688	}
	689
	690	function getNextUnreadCat(id) {
	691	try {
	692	var rows = $$("#feedList li[id*=FCAT]");
	693	var unread_cats = [];
	694
	695	rows.each(function(row) {
	696	var cat_id = row.id.replace("FCAT-", "");
	697
	698	if (Element.visible(row) && get_cat_unread(cat_id) > 0)
	699	unread_cats.push(parseInt(cat_id));
	700	});
	701
	702	console.log(unread_cats);
	703
	704	var idx = unread_cats.indexOf(id);
	705
	706	if (idx != -1 && idx < unread_cats.length-1) {
	707	return unread_cats[idx+1];
	708	} else {
	709	return unread_cats[0];
	710	}
	711
	712	} catch (e) {
	713	exception_error("getNextUnreadCat", e);
	714	}
	715	}
	716
	717	function getRelativeFeedId2(id, is_cat, direction, unread_only) {
	718	try {
	719
	720	// alert(id + " IC: " + is_cat + " D: " + direction + " U: " + unread_only);
	721
	722	var rows = $$("#feedList li");
	723	var feeds = new Array();
	724
	725	for (var i = 0; i < rows.length; i++) {
	726	if (rows[i].id.match("FEEDR-")) {
	727
	728	if (rows[i].id == "FEEDR-" + id && !is_cat \|\| (Element.visible(rows[i]) && Element.visible(rows[i].parentNode))) {
	729
	730	if (!unread_only \|\|
	731	(rows[i].hasClassName("Unread") \|\| rows[i].id == "FEEDR-" + id)) {
	732	feeds.push(rows[i].id.replace("FEEDR-", ""));
	733	}
	734	}
	735	}
	736
	737	if (rows[i].id.match("FCAT-")) {
	738	if (rows[i].id == "FCAT-" + id && is_cat \|\| (Element.visible(rows[i]) && Element.visible(rows[i].parentNode))) {
	739
	740	var cat_id = parseInt(rows[i].id.replace("FCAT-", ""));
	741
	742	if (cat_id >= 0) {
	743	if (!unread_only \|\| get_cat_unread(cat_id) > 0) {
	744	feeds.push("CAT:"+cat_id);
	745	}
	746	}
	747	}
	748	}
	749	}
	750
	751	// alert(feeds.toString());
	752
	753	if (!id) {
	754	if (direction == "next") {
	755	return feeds.shift();
	756	} else {
	757	return feeds.pop();
	758	}
	759	} else {
	760	if (direction == "next") {
	761	if (is_cat) id = "CAT:" + id;
	762	var idx = feeds.indexOf(id);
	763	if (idx != -1 && idx < feeds.length) {
	764	return feeds[idx+1];
	765	} else {
	766	return getRelativeFeedId2(false, is_cat, direction, unread_only);
	767	}
	768	} else {
	769	if (is_cat) id = "CAT:" + id;
	770	var idx = feeds.indexOf(id);
	771	if (idx > 0) {
	772	return feeds[idx-1];
	773	} else {
	774	return getRelativeFeedId2(false, is_cat, direction, unread_only);
	775	}
	776	}
	777
	778	}
	779
	780	} catch (e) {
	781	exception_error("getRelativeFeedId2", e);
	782	}
	783	}
	784
	785	function feedsSortByUnread() {
	786	return feeds_sort_by_unread;
	787	}
	788
	789	function setFeedUnread(feed, is_cat, unread) {
	790	try {
	791	setFeedValue(feed, is_cat, 'unread', parseInt(unread));
	792	} catch (e) {
	793	exception_error("setFeedUnread", e);
	794	}
	795	}
	796
	797	function setFeedValue(feed, is_cat, key, value) {
	798	try {
	799	if (!value) value = '';
	800
	801	if (is_cat)
	802	treeItem = treeModel.store._itemsByIdentity['CAT:' + feed];
	803	else
	804	treeItem = treeModel.store._itemsByIdentity['FEED:' + feed];
	805
	806	if (treeItem)
	807	treeModel.store.setValue(treeItem, key, value);
	808
	809	} catch (e) {
	810	console.log(e);
	811	//exception_error("setFeedValue", e);
	812	}
	813	}
	814
	815	function toggleCollapseCat(id) {
	816	console.warn("toggleCollapseCat: function not implemented");
	817	}
	818
	819	function selectFeed(feed, is_cat) {
	820	try {
	821	var tree = dijit.byId("feedTree");
	822
	823	if (!tree) return;
	824
	825	if (is_cat)
	826	treeNode = tree._itemNodesMap['CAT:' + feed];
	827	else
	828	treeNode = tree._itemNodesMap['FEED:' + feed];
	829
	830	if (treeNode) {
	831	treeNode = treeNode[0];
	832	if (!is_cat) tree._expandNode(treeNode);
	833	tree._selectNode(treeNode);
	834	}
	835
	836	} catch (e) {
	837	exception_error("selectFeed", e);
	838	}
	839	}
	840
	841	function setFeedIcon(feed, is_cat, src) {
	842	try {
	843	var tree = dijit.byId("feedTree");
	844
	845	if (!tree) return;
	846
	847	if (is_cat)
	848	treeNode = tree._itemNodesMap['CAT:' + feed];
	849	else
	850	treeNode = tree._itemNodesMap['FEED:' + feed];
	851
	852	if (treeNode) {
	853	treeNode = treeNode[0];
	854	treeNode.iconNode.src = src;
	855	}
	856
	857	} catch (e) {
	858	exception_error("setFeedIcon", e);
	859	}
	860	}
	861
	862	function setFeedExpandoIcon(feed, is_cat, src) {
	863	try {
	864	var tree = dijit.byId("feedTree");
	865
	866	if (!tree) return;
	867
	868	if (is_cat)
	869	treeNode = tree._itemNodesMap['CAT:' + feed];
	870	else
	871	treeNode = tree._itemNodesMap['FEED:' + feed];
	872
	873	if (treeNode) {
	874	treeNode = treeNode[0];
	875	treeNode.expandoNode.src = src;
	876	return true;
	877	}
	878
	879	} catch (e) {
	880	exception_error("setFeedIcon", e);
	881	}
	882	return false;
	883	}