[tt-rss.git] / digest.js

var last_feeds = [];
var init_params = {};

var db = false;
var store = false;

var _active_feed_id = false;
var _active_feed_offset = false;
var _update_timeout = false;
var _view_update_timeout = false;
var _feedlist_expanded = false;
var _update_seq = 1;

function article_appear(article_id) {
	try {
		new Effect.Appear('A-' + article_id);
	} catch (e) {
		exception_error("article_appear", e);
	}
}

function catchup_feed(feed_id, callback) {
	try {

		var fn = find_feed(last_feeds, feed_id).title;

		if (confirm(__("Mark all articles in %s as read?").replace("%s", fn))) {

			var is_cat = "";

			if (feed_id < 0) is_cat = "true"; // KLUDGE

			var query = "?op=rpc&subop=catchupFeed&feed_id=" + 
				feed_id + "&is_cat=" + is_cat;

			new Ajax.Request("backend.php",	{
				parameters: query, 
				onComplete: function(transport) {
					if (callback) callback(transport);
	
					update();
				} });
		}

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

function catchup_visible_articles(callback) {
	try {

		var elems = $("headlines-content").getElementsByTagName("LI");
		var ids = [];
			
		for (var i = 0; i < elems.length; i++) {
			if (elems[i].id && elems[i].id.match("A-")) {
			ids.push(elems[i].id.replace("A-", ""));
			}
		}

		if (confirm(__("Mark %d displayed articles as read?").replace("%d", ids.length))) {

			var query = "?op=rpc&subop=catchupSelected" +
				"&cmode=0&ids=" + param_escape(ids);
	
			new Ajax.Request("backend.php",	{
				parameters: query, 
				onComplete: function(transport) {
					if (callback) callback(transport);
	
					viewfeed(_active_feed_id, 0);
				} });
	
			}

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

function catchup_article(article_id, callback) {
	try {
		var query = "?op=rpc&subop=catchupSelected" +
			"&cmode=0&ids=" + article_id;

		new Ajax.Request("backend.php",	{
			parameters: query, 
			onComplete: function(transport) {
				if (callback) callback(transport);
			} });

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

function set_selected_feed(feed_id) {
	try {
		var feeds = $("feeds-content").getElementsByTagName("LI");

		for (var i = 0; i < feeds.length; i++) {
			if (feeds[i].id == "F-" + feed_id)
				feeds[i].className = "selected";
			else
				feeds[i].className = "";
		}

		_active_feed_id = feed_id;

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

function zoom(elem, article_id) {
	try {
		//alert(elem + "/" + article_id);

		elem.innerHTML = "<img src='images/indicator_tiny.gif'> " +
			__("Loading, please wait...");

		new Ajax.Request("backend.php",	{
			parameters: "?op=rpc&subop=digest-get-contents&article_id=" +
				article_id,
			onComplete: function(transport) {
				fatal_error_check(transport);

				if (transport.responseXML) {
					var article = transport.responseXML.getElementsByTagName('article')[0];
					elem.innerHTML = article.firstChild.nodeValue;

					new Effect.BlindDown(elem, {duration : 0.5});

					elem.onclick = false;
					elem.style.cursor = "auto";

					catchup_article(article_id, 
						function() { 							
							window.clearTimeout(_view_update_timeout);
							_view_update_timeout = window.setTimeout("view_update()", 500);
							$("A-" + article_id).className = "read";
					});


				} else {
					elem.innerHTML = __("Error: unable to load article.");
				}
				
				} });


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

function load_more() {
	try {
		var pr = $("H-LOADING-IMG");

		if (pr) Element.show(pr);

		viewfeed(_active_feed_id, _active_feed_offset + 10, false, false, true,
			function() { 
				var pr = $("H-LOADING-IMG");

				if (pr) Element.hide(pr);	
			});
	} catch (e) {
		exception_error("load_more", e);
	}
}

function update(callback) {
	try {
		console.log('updating feeds...');

		window.clearTimeout(_update_timeout);

		new Ajax.Request("backend.php",	{
			parameters: "?op=rpc&subop=digest-init",
			onComplete: function(transport) {
				fatal_error_check(transport);
				parse_feeds(transport);
				set_selected_feed(_active_feed_id);

				if (callback) callback(transport);
				} });

		_update_timeout = window.setTimeout('update()', 5*1000);
	} catch (e) {
		exception_error("update", e);
	}
}

function remove_headline_entry(article_id) {
	try {
		var elem = $('A-' + article_id);

		if (elem) {
			elem.parentNode.removeChild(elem);
		}

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

function view_update() {
	try {
		viewfeed(_active_feed_id, _active_feed_offset, false, true, true);
		update();
	} catch (e) {
		exception_error("view_update", e);
	}
}

function view(article_id, dismiss_only) {
	try {
		remove_headline_entry(article_id);

		catchup_article(article_id, 
			function() { 
				window.clearTimeout(_view_update_timeout);
				_view_update_timeout = window.setTimeout("view_update()", 500);
			});

		return dismiss_only != true;
	} catch (e) {
		exception_error("view", e);
	}
}

function viewfeed(feed_id, offset, replace, no_effects, no_indicator, callback) {
	try {

		if (!feed_id) feed_id = _active_feed_id;

		if (!offset) {
			offset = 0;
		} else {
			offset = _active_feed_offset + offset;
		}

		if (replace == undefined) replace = (offset == 0);

		_update_seq = _update_seq + 1;

		var query = "backend.php?op=rpc&subop=digest-update&feed_id=" + 
				param_escape(feed_id) +	"&offset=" + offset +
				"&seq=" + _update_seq;

		console.log(query);

		var img = $("F-" + feed_id).getElementsByTagName("IMG")[0];

		if (img && !no_indicator) {
			img.setAttribute("orig_src", img.src);
			img.src = 'images/indicator_tiny.gif';
		}

		new Ajax.Request("backend.php",	{
			parameters: query, 
			onComplete: function(transport) {
				Element.hide("overlay");

				fatal_error_check(transport);
				parse_headlines(transport, replace, no_effects);
				set_selected_feed(feed_id);				
				_active_feed_offset = offset;

				if (img && !no_indicator)
					img.src = img.getAttribute("orig_src");

				if (callback) callback(transport);

			} });

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

function find_article(articles, article_id) {
	try {
		for (var i = 0; i < articles.length; i++) {
			if (articles[i].id == article_id)
				return articles[i];
		}

		return false;

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

function find_feed(feeds, feed_id) {
	try {
		for (var i = 0; i < feeds.length; i++) {
			if (feeds[i].id == feed_id)
				return feeds[i];
		}

		return false;

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

function get_feed_icon(feed) {
	try {
		if (feed.has_icon)
			return getInitParam('icons_location') + "/" + feed.id + '.ico';

		if (feed.id == -1)
			return 'images/mark_set.png';

		if (feed.id == -2)
			return 'images/pub_set.png';

		if (feed.id == -3)
			return 'images/fresh.png';

		if (feed.id == -4) 
			return 'images/tag.png';

		if (feed.id < -10) 
			return 'images/label.png';

		return 'images/blank_icon.gif';

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

function add_feed_entry(feed) {
	try {
		var icon_part = "";

		icon_part = "<img src='" + get_feed_icon(feed) + "'/>";

		var tmp_html = "<li id=\"F-"+feed.id+"\" " +
				"onmouseover=\"feed_mi(this)\" onmouseout=\"feed_mo(this)\">" + 
			icon_part +
			"<a href=\"#\" onclick=\"viewfeed("+feed.id+")\">" + feed.title + "</a>" +
			"<div class='unread-ctr'>" + 
				"<img onclick=\"catchup_feed("+feed.id+")\" title=\"" + 
					__("Mark as read") + 
					"\" class=\"dismiss\" style='display : none' src=\"images/digest_checkbox.png\">" +
				"<span class=\"unread\">" + feed.unread + "</span>" + 
			"</div>" +	
			"</li>";

		$("feeds-content").innerHTML += tmp_html;

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

function add_headline_entry(article, feed, no_effects) {
	try {

		var icon_part = "";

		icon_part = "<img class='icon' src='" + get_feed_icon(feed) + "'/>";

		var mark_part = "";
		var publ_part = "";

		var tags_part = "";

		if (article.tags.length > 0) {

			tags_part = " " + __("in") + " ";

			for (var i = 0; i < Math.min(5, article.tags.length); i++) {
				tags_part += "<a href=\"#\" onclick=\"viewfeed('" + 
						article.tags[i] + "')\">" + 
					article.tags[i] + "</a>, ";
			}

			tags_part = tags_part.replace(/, $/, "");
			tags_part = "<span class=\"tags\">" + tags_part + "</span>";
		}

		if (article.marked)
			mark_part = "<img title='"+ __("Unstar article")+"' onclick=\"toggle_mark(this, "+article.id+")\" src='images/mark_set.png'>";
		else
			mark_part =	"<img title='"+__("Star article")+"' onclick=\"toggle_mark(this, "+article.id+")\" src='images/mark_unset.png'>";

		if (article.published)
			publ_part = "<img title='"+__("Unpublish article")+"' onclick=\"toggle_pub(this, "+article.id+")\" src='images/pub_set.png'>";
		else
			publ_part =	"<img title='"+__("Publish article")+"' onclick=\"toggle_pub(this, "+article.id+")\" src='images/pub_unset.png'>";

		var style = "";

		if (!no_effects) style = "style=\"display : none\"";

		if (article.excerpt.trim() == "")
			article.excerpt = __("Click to expand article.");

		var tmp_html = "<li id=\"A-"+article.id+"\" "+style+" class=\"unread\">" + 
			icon_part +

			"<div class='digest-check'>" +
				mark_part +
				publ_part +
				"<img title='" + __("Mark as read") + "' onclick=\"view("+article.id+", true)\" src='images/digest_checkbox.png'>" +
			"</div>" + 
			"<a target=\"_blank\" href=\""+article.link+"\""+
		  		"onclick=\"return view("+article.id+")\" class='title'>" + 
				article.title + "</a>" +
			"<div class='body'>" + 
			"<div title=\""+__("Click to expand article")+"\" onclick=\"zoom(this, "+article.id+")\" class='excerpt'>" + 
				article.excerpt + "</div>" +
			"<div class='info'><a href=\#\" onclick=\"viewfeed("+feed.id+")\">" + 
				feed.title + "</a> " + tags_part + " @ " + 
				new Date(article.updated * 1000) + "</div>" +
			"</div></li>";

		$("headlines-content").innerHTML += tmp_html;

		if (!no_effects)
			window.setTimeout('article_appear(' + article.id + ')', 100);

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

function expand_feeds() {
	try {
		_feedlist_expanded = true;

		redraw_feedlist(last_feeds);

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

function redraw_feedlist(feeds) {
	try {

		$('feeds-content').innerHTML = "";

		var limit = 10;

		if (_feedlist_expanded) limit = feeds.length;

		for (var i = 0; i < Math.min(limit, feeds.length); i++) {
			add_feed_entry(feeds[i]);
		}

		if (feeds.length > limit) {
			$('feeds-content').innerHTML += "<li id='F-MORE-PROMPT'>" +
				"<img src='images/blank_icon.gif'>" + 
				"<a href=\"#\" onclick=\"expand_feeds()\">" +
				__("%d more...").replace("%d", feeds.length-10) + 
				"</a>" + "</li>";
		}

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

function parse_feeds(transport) {
	try {

		if (!transport.responseXML) return;

		var feeds = transport.responseXML.getElementsByTagName('feeds')[0];

		if (feeds) {
			feeds = eval("(" + feeds.firstChild.nodeValue + ")");

			feeds.sort( function (a,b) 
				{ 
					if (b.unread != a.unread)
						return (b.unread - a.unread) 
					else
						if (a.title > b.title)
							return 1;
						else if (a.title < b.title)
							return -1;
						else
							return 0;					
				});

			var all_articles = find_feed(feeds, -4);

			update_title(all_articles.unread);

			last_feeds = feeds;

			redraw_feedlist(feeds);
		}

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

function parse_headlines(transport, replace, no_effects) {
	try {
		if (!transport.responseXML) return;

		var seq = transport.responseXML.getElementsByTagName('seq')[0];

		if (seq) {
			seq = seq.firstChild.nodeValue;
			if (seq != _update_seq) {
				console.log("parse_headlines: wrong sequence received.");
				return;
			}
		} else {
			return;
		}

		var headlines = transport.responseXML.getElementsByTagName('headlines')[0];
		var headlines_title = transport.responseXML.getElementsByTagName('headlines-title')[0];

		if (headlines && headlines_title) {
			headlines = eval("(" + headlines.firstChild.nodeValue + ")");

			var title = headlines_title.firstChild.nodeValue;

			$("headlines-title").innerHTML = title;

			if (replace) {
				$('headlines-content').innerHTML = '';
				Element.hide('headlines-content');
			}

			var pr = $('H-MORE-PROMPT');

			if (pr) pr.parentNode.removeChild(pr);

			var inserted = false;

			for (var i = 0; i < headlines.length; i++) {
				
				if (!$('A-' + headlines[i].id)) {
					add_headline_entry(headlines[i], 
							find_feed(last_feeds, headlines[i].feed_id), !no_effects);

					inserted = $("A-" + headlines[i].id);
				}
			}

			if (pr) {
				$('headlines-content').appendChild(pr);
				if (!no_effects) new Effect.ScrollTo(inserted);
			} else {
				$('headlines-content').innerHTML += "<li id='H-MORE-PROMPT'>" +
					"<div class='body'>" +
					"<a href=\"javascript:catchup_visible_articles()\">" +
				  	__("Mark as read") + "</a> | " + 
					"<a href=\"javascript:load_more()\">" +
				  	__("Load more...") + "</a>" + 
					"<img style=\"display : none\" "+
						"id=\"H-LOADING-IMG\" src='images/indicator_tiny.gif'>" +
					"</div></li>";
			}

			if (replace && !no_effects) 
				new Effect.Appear('headlines-content', {duration : 0.3});

			//new Effect.Appear('headlines-content');
		}

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

function init_second_stage() {
	try {
		new Ajax.Request("backend.php",	{
			parameters: "backend.php?op=rpc&subop=digest-init",
			onComplete: function(transport) {
				parse_feeds(transport);
				window.setTimeout('viewfeed(-4)', 100);
				_update_timeout = window.setTimeout('update()', 5*1000);
				} });

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

function init() {
	try {

		new Ajax.Request("backend.php", {
			parameters: "?op=rpc&subop=sanityCheck",
			onComplete: function(transport) { 
				backend_sanity_check_callback(transport);
			} });

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

function toggle_mark(mark_img, id) {

	try {

		var query = "?op=rpc&id=" + id + "&subop=mark";
	
		query = query + "&afid=" + _active_feed_id;
		query = query + "&omode=c";

		if (!mark_img) return;

		if (mark_img.src.match("mark_unset")) {
			mark_img.src = mark_img.src.replace("mark_unset", "mark_set");
			mark_img.alt = __("Unstar article");
			query = query + "&mark=1";
		} else {
			mark_img.alt = __("Please wait...");
			query = query + "&mark=0";
	
			mark_img.src = mark_img.src.replace("mark_set", "mark_unset");
			mark_img.alt = __("Star article");
		}

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

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

function toggle_pub(mark_img, id, note) {

	try {

		var query = "?op=rpc&id=" + id + "&subop=publ";
	
		query = query + "&afid=" + _active_feed_id;

		if (note != undefined) {
			query = query + "&note=" + param_escape(note);
		} else {
			query = query + "&note=undefined";
		}

		query = query + "&omode=c";

		if (!mark_img) return;

		if (mark_img.src.match("pub_unset") || note != undefined) {
			mark_img.src = mark_img.src.replace("pub_unset", "pub_set");
			mark_img.alt = __("Unpublish article");
			query = query + "&pub=1";

		} else {
			mark_img.alt = __("Please wait...");
			query = query + "&pub=0";
	
			mark_img.src = mark_img.src.replace("pub_set", "pub_unset");
			mark_img.alt = __("Publish article");
		}

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

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

function fatal_error(code, msg) {
	try {	

		if (code == 6) {
			window.location.href = "digest.php";
		} else if (code == 5) {
			window.location.href = "update.php";
		} else {
	
			if (msg == "") msg = "Unknown error";

			console.error("Fatal error: " + code + "\n" + 
				msg);
			
		}

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

function fatal_error_check(transport) {
	try {
		if (transport.responseXML) {
			var error = transport.responseXML.getElementsByTagName("error")[0];

			if (error) {
				var code = error.getAttribute("error-code");
				var msg = error.getAttribute("error-msg");
				if (code != 0) {
					fatal_error(code, msg);
					return false;
				}
			}
		}
	} catch (e) {
		exception_error("fatal_error_check", e);
	}
	return true;
}

function feed_mi(elem) {
	try {
		var imgs = elem.getElementsByTagName('IMG');
		var spans = elem.getElementsByTagName('SPAN');

		for (var i = 0; i < imgs.length; i++) {
			if (imgs[i].className == "dismiss")
				Element.show(imgs[i]);
		}

		for (var i = 0; i < spans.length; i++) {
			if (spans[i].className == "unread")
				Element.hide(spans[i]);
		}


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

function feed_mo(elem) {
	try {
		var imgs = elem.getElementsByTagName('IMG');
		var spans = elem.getElementsByTagName('SPAN');

		for (var i = 0; i < imgs.length; i++) {
			if (imgs[i].className == "dismiss")
				Element.hide(imgs[i]);
		}

		for (var i = 0; i < spans.length; i++) {
			if (spans[i].className == "unread")
				Element.show(spans[i]);
		}

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

function update_title(unread) {
	try {
		document.title = "Tiny Tiny RSS";

		if (unread > 0)
			document.title += " (" + unread + ")";

	} catch (e) {
		exception_error("update_title", e);
	}
}
Commit	Line	Data
c01f40f4	1	var last_feeds = [];
285de6d8 AD	2	var init_params = {};
	3
	4	var db = false;
	5	var store = false;
c01f40f4	6
1ca8997b AD	7	var _active_feed_id = false;
1ca8997b AD	8	var _active_feed_offset = false;
118e9399	9	var _update_timeout = false;
e4c530dc	10	var _view_update_timeout = false;
c1b5cd23	11	var _feedlist_expanded = false;
e4c530dc	12	var _update_seq = 1;
c1b5cd23	13
41de9581 AD	14	function article_appear(article_id) {
	15	try {
	16	new Effect.Appear('A-' + article_id);
	17	} catch (e) {
	18	exception_error("article_appear", e);
	19	}
	20	}
	21
c1b5cd23 AD	22	function catchup_feed(feed_id, callback) {
	23	try {
	24
	25	var fn = find_feed(last_feeds, feed_id).title;
	26
	27	if (confirm(__("Mark all articles in %s as read?").replace("%s", fn))) {
	28
	29	var is_cat = "";
	30
9ed133e7	31	if (feed_id < 0) is_cat = "true"; // KLUDGE
c1b5cd23 AD	32
	33	var query = "?op=rpc&subop=catchupFeed&feed_id=" +
	34	feed_id + "&is_cat=" + is_cat;
	35
	36	new Ajax.Request("backend.php", {
	37	parameters: query,
	38	onComplete: function(transport) {
	39	if (callback) callback(transport);
	40
	41	update();
	42	} });
	43	}
	44
	45	} catch (e) {
	46	exception_error("catchup_article", e);
	47	}
	48	}
	49
46360a96 AD	50	function catchup_visible_articles(callback) {
46360a96 AD	51	try {
46360a96	52
5e9a79e1 AD	53	var elems = $("headlines-content").getElementsByTagName("LI");
5e9a79e1 AD	54	var ids = [];
eb4f33ec	55
5e9a79e1 AD	56	for (var i = 0; i < elems.length; i++) {
	57	if (elems[i].id && elems[i].id.match("A-")) {
	58	ids.push(elems[i].id.replace("A-", ""));
eb4f33ec	59	}
5e9a79e1 AD	60	}
	61
	62	if (confirm(__("Mark %d displayed articles as read?").replace("%d", ids.length))) {
	63
eb4f33ec AD	64	var query = "?op=rpc&subop=catchupSelected" +
	65	"&cmode=0&ids=" + param_escape(ids);
	66
	67	new Ajax.Request("backend.php", {
	68	parameters: query,
	69	onComplete: function(transport) {
	70	if (callback) callback(transport);
	71
	72	viewfeed(_active_feed_id, 0);
	73	} });
	74
	75	}
46360a96 AD	76
	77	} catch (e) {
	78	exception_error("catchup_visible_articles", e);
	79	}
	80	}
1ca8997b	81
d5d56329 AD	82	function catchup_article(article_id, callback) {
	83	try {
	84	var query = "?op=rpc&subop=catchupSelected" +
	85	"&cmode=0&ids=" + article_id;
	86
	87	new Ajax.Request("backend.php", {
	88	parameters: query,
	89	onComplete: function(transport) {
	90	if (callback) callback(transport);
	91	} });
	92
	93	} catch (e) {
	94	exception_error("catchup_article", e);
	95	}
	96	}
	97
	98	function set_selected_feed(feed_id) {
11a7a966 AD	99	try {
	100	var feeds = $("feeds-content").getElementsByTagName("LI");
	101
	102	for (var i = 0; i < feeds.length; i++) {
	103	if (feeds[i].id == "F-" + feed_id)
	104	feeds[i].className = "selected";
	105	else
	106	feeds[i].className = "";
	107	}
	108
d5d56329 AD	109	_active_feed_id = feed_id;
d5d56329 AD	110
11a7a966 AD	111	} catch (e) {
	112	exception_error("mark_selected_feed", e);
	113	}
	114	}
	115
d8ea9902	116	function zoom(elem, article_id) {
22933e5e	117	try {
d8ea9902	118	//alert(elem + "/" + article_id);
22933e5e	119
d8ea9902 AD	120	elem.innerHTML = "<img src='images/indicator_tiny.gif'> " +
	121	__("Loading, please wait...");
	122
	123	new Ajax.Request("backend.php", {
	124	parameters: "?op=rpc&subop=digest-get-contents&article_id=" +
	125	article_id,
	126	onComplete: function(transport) {
	127	fatal_error_check(transport);
	128
	129	if (transport.responseXML) {
	130	var article = transport.responseXML.getElementsByTagName('article')[0];
	131	elem.innerHTML = article.firstChild.nodeValue;
85629f6c AD	132
	133	new Effect.BlindDown(elem, {duration : 0.5});
	134
	135	elem.onclick = false;
	136	elem.style.cursor = "auto";
2f57dff5 AD	137
	138	catchup_article(article_id,
	139	function() {
	140	window.clearTimeout(_view_update_timeout);
	141	_view_update_timeout = window.setTimeout("view_update()", 500);
	142	$("A-" + article_id).className = "read";
	143	});
	144
	145
d8ea9902 AD	146	} else {
	147	elem.innerHTML = __("Error: unable to load article.");
	148	}
	149
	150	} });
118e9399	151
118e9399 AD	152
	153	} catch (e) {
	154	exception_error("zoom", e);
	155	}
	156	}
	157
	158	function load_more() {
	159	try {
5e9a79e1 AD	160	var pr = $("H-LOADING-IMG");
	161
	162	if (pr) Element.show(pr);
	163
	164	viewfeed(_active_feed_id, _active_feed_offset + 10, false, false, true,
	165	function() {
	166	var pr = $("H-LOADING-IMG");
	167
	168	if (pr) Element.hide(pr);
	169	});
118e9399 AD	170	} catch (e) {
	171	exception_error("load_more", e);
	172	}
	173	}
	174
5e9a79e1	175	function update(callback) {
118e9399	176	try {
d5d56329 AD	177	console.log('updating feeds...');
	178
	179	window.clearTimeout(_update_timeout);
	180
	181	new Ajax.Request("backend.php", {
	182	parameters: "?op=rpc&subop=digest-init",
	183	onComplete: function(transport) {
e0cebf2a	184	fatal_error_check(transport);
d5d56329 AD	185	parse_feeds(transport);
d5d56329 AD	186	set_selected_feed(_active_feed_id);
5e9a79e1 AD	187
5e9a79e1 AD	188	if (callback) callback(transport);
d5d56329 AD	189	} });
	190
	191	_update_timeout = window.setTimeout('update()', 5*1000);
118e9399 AD	192	} catch (e) {
	193	exception_error("update", e);
	194	}
	195	}
	196
d5d56329	197	function remove_headline_entry(article_id) {
118e9399 AD	198	try {
	199	var elem = $('A-' + article_id);
	200
d5d56329 AD	201	if (elem) {
	202	elem.parentNode.removeChild(elem);
	203	}
118e9399	204
d5d56329 AD	205	} catch (e) {
	206	exception_error("remove_headline_entry", e);
	207	}
	208	}
118e9399	209
e4c530dc AD	210	function view_update() {
e4c530dc AD	211	try {
5e9a79e1	212	viewfeed(_active_feed_id, _active_feed_offset, false, true, true);
e4c530dc AD	213	update();
	214	} catch (e) {
	215	exception_error("view_update", e);
	216	}
	217	}
	218
d5d56329 AD	219	function view(article_id, dismiss_only) {
	220	try {
	221	remove_headline_entry(article_id);
118e9399	222
d5d56329	223	catchup_article(article_id,
1a434472	224	function() {
e4c530dc	225	window.clearTimeout(_view_update_timeout);
2f57dff5	226	_view_update_timeout = window.setTimeout("view_update()", 500);
1a434472	227	});
118e9399 AD	228
118e9399 AD	229	return dismiss_only != true;
22933e5e AD	230	} catch (e) {
	231	exception_error("view", e);
	232	}
	233	}
	234
5e9a79e1	235	function viewfeed(feed_id, offset, replace, no_effects, no_indicator, callback) {
b41c2549 AD	236	try {
b41c2549 AD	237
1ca8997b AD	238	if (!feed_id) feed_id = _active_feed_id;
1ca8997b AD	239
d5d56329	240	if (!offset) {
1ca8997b	241	offset = 0;
d5d56329	242	} else {
1ca8997b	243	offset = _active_feed_offset + offset;
d5d56329	244	}
1ca8997b	245
41de9581 AD	246	if (replace == undefined) replace = (offset == 0);
41de9581 AD	247
e4c530dc AD	248	_update_seq = _update_seq + 1;
e4c530dc AD	249
78ac6caf	250	var query = "backend.php?op=rpc&subop=digest-update&feed_id=" +
e4c530dc AD	251	param_escape(feed_id) + "&offset=" + offset +
e4c530dc AD	252	"&seq=" + _update_seq;
78ac6caf AD	253
78ac6caf AD	254	console.log(query);
1ca8997b	255
d3f13000 AD	256	var img = $("F-" + feed_id).getElementsByTagName("IMG")[0];
d3f13000 AD	257
5e9a79e1 AD	258	if (img && !no_indicator) {
	259	img.setAttribute("orig_src", img.src);
	260	img.src = 'images/indicator_tiny.gif';
	261	}
d3f13000	262
b41c2549	263	new Ajax.Request("backend.php", {
1ca8997b	264	parameters: query,
b41c2549	265	onComplete: function(transport) {
c7a5c8a5 AD	266	Element.hide("overlay");
c7a5c8a5 AD	267
e0cebf2a	268	fatal_error_check(transport);
41de9581	269	parse_headlines(transport, replace, no_effects);
5e9a79e1	270	set_selected_feed(feed_id);
1ca8997b	271	_active_feed_offset = offset;
5e9a79e1 AD	272
	273	if (img && !no_indicator)
	274	img.src = img.getAttribute("orig_src");
	275
	276	if (callback) callback(transport);
	277
11a7a966	278	} });
b41c2549 AD	279
	280	} catch (e) {
	281	exception_error("view", e);
	282	}
	283	}
	284
118e9399 AD	285	function find_article(articles, article_id) {
	286	try {
	287	for (var i = 0; i < articles.length; i++) {
	288	if (articles[i].id == article_id)
	289	return articles[i];
	290	}
	291
	292	return false;
	293
	294	} catch (e) {
	295	exception_error("find_article", e);
	296	}
	297	}
	298
c01f40f4 AD	299	function find_feed(feeds, feed_id) {
	300	try {
	301	for (var i = 0; i < feeds.length; i++) {
	302	if (feeds[i].id == feed_id)
	303	return feeds[i];
	304	}
	305
	306	return false;
	307
	308	} catch (e) {
	309	exception_error("find_feed", e);
	310	}
	311	}
	312
b41c2549 AD	313	function get_feed_icon(feed) {
	314	try {
	315	if (feed.has_icon)
285de6d8	316	return getInitParam('icons_location') + "/" + feed.id + '.ico';
b41c2549 AD	317
	318	if (feed.id == -1)
	319	return 'images/mark_set.png';
	320
	321	if (feed.id == -2)
	322	return 'images/pub_set.png';
	323
	324	if (feed.id == -3)
	325	return 'images/fresh.png';
	326
	327	if (feed.id == -4)
	328	return 'images/tag.png';
	329
	330	if (feed.id < -10)
	331	return 'images/label.png';
	332
d5d56329 AD	333	return 'images/blank_icon.gif';
d5d56329 AD	334
b41c2549 AD	335	} catch (e) {
	336	exception_error("get_feed_icon", e);
	337	}
	338	}
	339
c01f40f4 AD	340	function add_feed_entry(feed) {
	341	try {
	342	var icon_part = "";
	343
b41c2549	344	icon_part = "<img src='" + get_feed_icon(feed) + "'/>";
c01f40f4	345
c1b5cd23 AD	346	var tmp_html = "<li id=\"F-"+feed.id+"\" " +
c1b5cd23 AD	347	"onmouseover=\"feed_mi(this)\" onmouseout=\"feed_mo(this)\">" +
c01f40f4	348	icon_part +
c1b5cd23 AD	349	"<a href=\"#\" onclick=\"viewfeed("+feed.id+")\">" + feed.title + "</a>" +
c1b5cd23 AD	350	"<div class='unread-ctr'>" +
46360a96 AD	351	"<img onclick=\"catchup_feed("+feed.id+")\" title=\"" +
	352	__("Mark as read") +
	353	"\" class=\"dismiss\" style='display : none' src=\"images/digest_checkbox.png\">" +
c1b5cd23 AD	354	"<span class=\"unread\">" + feed.unread + "</span>" +
c1b5cd23 AD	355	"</div>" +
c01f40f4 AD	356	"</li>";
	357
	358	$("feeds-content").innerHTML += tmp_html;
	359
	360	} catch (e) {
	361	exception_error("add_feed_entry", e);
	362	}
	363	}
	364
41de9581	365	function add_headline_entry(article, feed, no_effects) {
c01f40f4 AD	366	try {
	367
	368	var icon_part = "";
	369
d5d56329	370	icon_part = "<img class='icon' src='" + get_feed_icon(feed) + "'/>";
c01f40f4	371
9ed133e7 AD	372	var mark_part = "";
	373	var publ_part = "";
	374
78ac6caf AD	375	var tags_part = "";
	376
	377	if (article.tags.length > 0) {
	378
	379	tags_part = " " + __("in") + " ";
	380
	381	for (var i = 0; i < Math.min(5, article.tags.length); i++) {
	382	tags_part += "<a href=\"#\" onclick=\"viewfeed('" +
	383	article.tags[i] + "')\">" +
	384	article.tags[i] + "</a>, ";
	385	}
	386
	387	tags_part = tags_part.replace(/, $/, "");
	388	tags_part = "<span class=\"tags\">" + tags_part + "</span>";
	389	}
	390
9ed133e7 AD	391	if (article.marked)
	392	mark_part = "<img title='"+ __("Unstar article")+"' onclick=\"toggle_mark(this, "+article.id+")\" src='images/mark_set.png'>";
	393	else
	394	mark_part = "<img title='"+__("Star article")+"' onclick=\"toggle_mark(this, "+article.id+")\" src='images/mark_unset.png'>";
	395
	396	if (article.published)
	397	publ_part = "<img title='"+__("Unpublish article")+"' onclick=\"toggle_pub(this, "+article.id+")\" src='images/pub_set.png'>";
	398	else
	399	publ_part = "<img title='"+__("Publish article")+"' onclick=\"toggle_pub(this, "+article.id+")\" src='images/pub_unset.png'>";
	400
41de9581	401	var style = "";
9ed133e7	402
41de9581 AD	403	if (!no_effects) style = "style=\"display : none\"";
41de9581 AD	404
ed6c208d AD	405	if (article.excerpt.trim() == "")
	406	article.excerpt = __("Click to expand article.");
	407
2f57dff5	408	var tmp_html = "<li id=\"A-"+article.id+"\" "+style+" class=\"unread\">" +
c01f40f4	409	icon_part +
85629f6c	410
6361fd20	411	"<div class='digest-check'>" +
85629f6c AD	412	mark_part +
	413	publ_part +
	414	"<img title='" + __("Mark as read") + "' onclick=\"view("+article.id+", true)\" src='images/digest_checkbox.png'>" +
6361fd20	415	"</div>" +
22933e5e AD	416	"<a target=\"_blank\" href=\""+article.link+"\""+
	417	"onclick=\"return view("+article.id+")\" class='title'>" +
	418	article.title + "</a>" +
118e9399	419	"<div class='body'>" +
d8ea9902	420	"<div title=\""+__("Click to expand article")+"\" onclick=\"zoom(this, "+article.id+")\" class='excerpt'>" +
118e9399	421	article.excerpt + "</div>" +
c524d7e6	422	"<div class='info'><a href=\#\" onclick=\"viewfeed("+feed.id+")\">" +
78ac6caf	423	feed.title + "</a> " + tags_part + " @ " +
b41c2549	424	new Date(article.updated * 1000) + "</div>" +
1ca8997b	425	"</div></li>";
c01f40f4 AD	426
	427	$("headlines-content").innerHTML += tmp_html;
	428
41de9581 AD	429	if (!no_effects)
	430	window.setTimeout('article_appear(' + article.id + ')', 100);
	431
c01f40f4 AD	432	} catch (e) {
	433	exception_error("add_headline_entry", e);
	434	}
	435	}
	436
c1b5cd23 AD	437	function expand_feeds() {
	438	try {
	439	_feedlist_expanded = true;
	440
	441	redraw_feedlist(last_feeds);
	442
	443	} catch (e) {
	444	exception_error("expand_feeds", e);
	445	}
	446	}
	447
	448	function redraw_feedlist(feeds) {
	449	try {
	450
	451	$('feeds-content').innerHTML = "";
	452
	453	var limit = 10;
	454
	455	if (_feedlist_expanded) limit = feeds.length;
	456
	457	for (var i = 0; i < Math.min(limit, feeds.length); i++) {
	458	add_feed_entry(feeds[i]);
	459	}
	460
	461	if (feeds.length > limit) {
	462	$('feeds-content').innerHTML += "<li id='F-MORE-PROMPT'>" +
	463	"<img src='images/blank_icon.gif'>" +
	464	"<a href=\"#\" onclick=\"expand_feeds()\">" +
	465	__("%d more...").replace("%d", feeds.length-10) +
	466	"</a>" + "</li>";
	467	}
	468
	469	} catch (e) {
	470	exception_error("redraw_feedlist", e);
	471	}
	472	}
	473
d5d56329 AD	474	function parse_feeds(transport) {
	475	try {
	476
c1b5cd23 AD	477	if (!transport.responseXML) return;
c1b5cd23 AD	478
d5d56329 AD	479	var feeds = transport.responseXML.getElementsByTagName('feeds')[0];
	480
	481	if (feeds) {
	482	feeds = eval("(" + feeds.firstChild.nodeValue + ")");
	483
e0cebf2a AD	484	feeds.sort( function (a,b)
	485	{
	486	if (b.unread != a.unread)
	487	return (b.unread - a.unread)
	488	else
	489	if (a.title > b.title)
	490	return 1;
	491	else if (a.title < b.title)
	492	return -1;
	493	else
	494	return 0;
	495	});
	496
4311cc7e AD	497	var all_articles = find_feed(feeds, -4);
	498
	499	update_title(all_articles.unread);
	500
d5d56329 AD	501	last_feeds = feeds;
d5d56329 AD	502
c1b5cd23	503	redraw_feedlist(feeds);
d5d56329 AD	504	}
	505
	506	} catch (e) {
	507	exception_error("parse_feeds", e);
	508	}
	509	}
	510
41de9581	511	function parse_headlines(transport, replace, no_effects) {
d5d56329	512	try {
c1b5cd23 AD	513	if (!transport.responseXML) return;
c1b5cd23 AD	514
e4c530dc AD	515	var seq = transport.responseXML.getElementsByTagName('seq')[0];
	516
	517	if (seq) {
	518	seq = seq.firstChild.nodeValue;
	519	if (seq != _update_seq) {
	520	console.log("parse_headlines: wrong sequence received.");
	521	return;
	522	}
	523	} else {
	524	return;
	525	}
	526
d5d56329	527	var headlines = transport.responseXML.getElementsByTagName('headlines')[0];
78ac6caf	528	var headlines_title = transport.responseXML.getElementsByTagName('headlines-title')[0];
d5d56329	529
78ac6caf	530	if (headlines && headlines_title) {
d5d56329 AD	531	headlines = eval("(" + headlines.firstChild.nodeValue + ")");
d5d56329 AD	532
78ac6caf AD	533	var title = headlines_title.firstChild.nodeValue;
	534
	535	$("headlines-title").innerHTML = title;
	536
6eed9e80 AD	537	if (replace) {
	538	$('headlines-content').innerHTML = '';
	539	Element.hide('headlines-content');
	540	}
d5d56329	541
c1b5cd23	542	var pr = $('H-MORE-PROMPT');
d5d56329 AD	543
	544	if (pr) pr.parentNode.removeChild(pr);
	545
6eed9e80 AD	546	var inserted = false;
6eed9e80 AD	547
d5d56329 AD	548	for (var i = 0; i < headlines.length; i++) {
	549
	550	if (!$('A-' + headlines[i].id)) {
	551	add_headline_entry(headlines[i],
41de9581	552	find_feed(last_feeds, headlines[i].feed_id), !no_effects);
6eed9e80 AD	553
6eed9e80 AD	554	inserted = $("A-" + headlines[i].id);
d5d56329 AD	555	}
	556	}
	557
	558	if (pr) {
	559	$('headlines-content').appendChild(pr);
41de9581	560	if (!no_effects) new Effect.ScrollTo(inserted);
d5d56329	561	} else {
c1b5cd23	562	$('headlines-content').innerHTML += "<li id='H-MORE-PROMPT'>" +
46360a96 AD	563	"<div class='body'>" +
	564	"<a href=\"javascript:catchup_visible_articles()\">" +
	565	__("Mark as read") + "</a> \| " +
	566	"<a href=\"javascript:load_more()\">" +
	567	__("Load more...") + "</a>" +
eb4f33ec AD	568	"<img style=\"display : none\" "+
eb4f33ec AD	569	"id=\"H-LOADING-IMG\" src='images/indicator_tiny.gif'>" +
46360a96	570	"</div></li>";
d5d56329 AD	571	}
d5d56329 AD	572
41de9581 AD	573	if (replace && !no_effects)
41de9581 AD	574	new Effect.Appear('headlines-content', {duration : 0.3});
6eed9e80 AD	575
6eed9e80 AD	576	//new Effect.Appear('headlines-content');
d5d56329 AD	577	}
	578
	579	} catch (e) {
	580	exception_error("parse_headlines", e);
	581	}
	582	}
	583
5328c7d7	584	function init_second_stage() {
c01f40f4	585	try {
c01f40f4 AD	586	new Ajax.Request("backend.php", {
	587	parameters: "backend.php?op=rpc&subop=digest-init",
	588	onComplete: function(transport) {
d5d56329	589	parse_feeds(transport);
1ca8997b	590	window.setTimeout('viewfeed(-4)', 100);
d5d56329	591	_update_timeout = window.setTimeout('update()', 5*1000);
c01f40f4 AD	592	} });
c01f40f4 AD	593
5328c7d7 AD	594	} catch (e) {
	595	exception_error("init_second_stage", e);
	596	}
	597	}
	598
5328c7d7 AD	599	function init() {
	600	try {
	601
	602	new Ajax.Request("backend.php", {
	603	parameters: "?op=rpc&subop=sanityCheck",
	604	onComplete: function(transport) {
285de6d8	605	backend_sanity_check_callback(transport);
5328c7d7 AD	606	} });
5328c7d7 AD	607
c01f40f4 AD	608	} catch (e) {
	609	exception_error("digest_init", e);
	610	}
	611	}
6361fd20	612
9ed133e7	613	function toggle_mark(mark_img, id) {
6361fd20 AD	614
	615	try {
	616
	617	var query = "?op=rpc&id=" + id + "&subop=mark";
	618
	619	query = query + "&afid=" + _active_feed_id;
	620	query = query + "&omode=c";
	621
	622	if (!mark_img) return;
	623
6361fd20 AD	624	if (mark_img.src.match("mark_unset")) {
	625	mark_img.src = mark_img.src.replace("mark_unset", "mark_set");
	626	mark_img.alt = __("Unstar article");
	627	query = query + "&mark=1";
	628	} else {
	629	mark_img.alt = __("Please wait...");
	630	query = query + "&mark=0";
	631
	632	mark_img.src = mark_img.src.replace("mark_set", "mark_unset");
	633	mark_img.alt = __("Star article");
	634	}
	635
	636	new Ajax.Request("backend.php", {
	637	parameters: query,
	638	onComplete: function(transport) {
9ed133e7	639	update();
6361fd20 AD	640	} });
	641
	642	} catch (e) {
9ed133e7	643	exception_error("toggle_mark", e);
6361fd20 AD	644	}
	645	}
	646
9ed133e7	647	function toggle_pub(mark_img, id, note) {
6361fd20 AD	648
	649	try {
	650
	651	var query = "?op=rpc&id=" + id + "&subop=publ";
	652
	653	query = query + "&afid=" + _active_feed_id;
	654
	655	if (note != undefined) {
	656	query = query + "&note=" + param_escape(note);
	657	} else {
	658	query = query + "&note=undefined";
	659	}
	660
	661	query = query + "&omode=c";
	662
	663	if (!mark_img) return;
	664
	665	if (mark_img.src.match("pub_unset") \|\| note != undefined) {
	666	mark_img.src = mark_img.src.replace("pub_unset", "pub_set");
	667	mark_img.alt = __("Unpublish article");
	668	query = query + "&pub=1";
	669
	670	} else {
	671	mark_img.alt = __("Please wait...");
	672	query = query + "&pub=0";
	673
	674	mark_img.src = mark_img.src.replace("pub_set", "pub_unset");
	675	mark_img.alt = __("Publish article");
	676	}
	677
	678	new Ajax.Request("backend.php", {
	679	parameters: query,
	680	onComplete: function(transport) {
9ed133e7	681	update();
6361fd20 AD	682	} });
	683
	684	} catch (e) {
9ed133e7	685	exception_error("toggle_pub", e);
6361fd20 AD	686	}
	687	}
	688
e0cebf2a AD	689	function fatal_error(code, msg) {
	690	try {
	691
	692	if (code == 6) {
	693	window.location.href = "digest.php";
	694	} else if (code == 5) {
	695	window.location.href = "update.php";
	696	} else {
	697
	698	if (msg == "") msg = "Unknown error";
	699
	700	console.error("Fatal error: " + code + "\n" +
	701	msg);
	702
	703	}
	704
	705	} catch (e) {
	706	exception_error("fatalError", e);
	707	}
	708	}
	709
	710	function fatal_error_check(transport) {
	711	try {
	712	if (transport.responseXML) {
	713	var error = transport.responseXML.getElementsByTagName("error")[0];
	714
	715	if (error) {
	716	var code = error.getAttribute("error-code");
	717	var msg = error.getAttribute("error-msg");
	718	if (code != 0) {
	719	fatal_error(code, msg);
	720	return false;
	721	}
	722	}
	723	}
	724	} catch (e) {
	725	exception_error("fatal_error_check", e);
	726	}
	727	return true;
	728	}
	729
c1b5cd23 AD	730	function feed_mi(elem) {
	731	try {
	732	var imgs = elem.getElementsByTagName('IMG');
	733	var spans = elem.getElementsByTagName('SPAN');
	734
	735	for (var i = 0; i < imgs.length; i++) {
	736	if (imgs[i].className == "dismiss")
	737	Element.show(imgs[i]);
	738	}
	739
	740	for (var i = 0; i < spans.length; i++) {
	741	if (spans[i].className == "unread")
	742	Element.hide(spans[i]);
	743	}
	744
	745
	746	} catch (e) {
	747	exception_error("feed_mi", e);
	748	}
	749	}
	750
	751	function feed_mo(elem) {
	752	try {
	753	var imgs = elem.getElementsByTagName('IMG');
	754	var spans = elem.getElementsByTagName('SPAN');
	755
	756	for (var i = 0; i < imgs.length; i++) {
	757	if (imgs[i].className == "dismiss")
	758	Element.hide(imgs[i]);
	759	}
	760
	761	for (var i = 0; i < spans.length; i++) {
	762	if (spans[i].className == "unread")
	763	Element.show(spans[i]);
	764	}
e0cebf2a	765
c1b5cd23 AD	766	} catch (e) {
	767	exception_error("feed_mo", e);
	768	}
	769	}
4311cc7e AD	770
	771	function update_title(unread) {
	772	try {
	773	document.title = "Tiny Tiny RSS";
	774
	775	if (unread > 0)
	776	document.title += " (" + unread + ")";
	777
	778	} catch (e) {
	779	exception_error("update_title", e);
	780	}
	781	}
	782