925 lines
20 KiB
JavaScript
925 lines
20 KiB
JavaScript
var last_feeds = [];
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var init_params = {};
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var hotkeys_map = false;
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var hotkey_prefix = false;
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var mobile_mode = false;
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var _active_feed_id = false;
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var _update_timeout = false;
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var _view_update_timeout = false;
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var _feedlist_expanded = false;
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var _update_seq = 1;
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function article_appear(article_id) {
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try {
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new Effect.Appear('A-' + article_id);
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} catch (e) {
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exception_error("article_appear", e);
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}
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}
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function catchup_feed(feed_id, callback) {
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try {
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var fn = find_feed(last_feeds, feed_id).title;
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if (confirm(__("Mark all articles in %s as read?").replace("%s", fn))) {
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var is_cat = "";
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if (feed_id < 0) is_cat = "true"; // KLUDGE
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var query = "op=rpc&method=catchupFeed&feed_id=" +
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feed_id + "&is_cat=" + is_cat;
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new Ajax.Request("backend.php", {
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parameters: query,
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onComplete: function(transport) {
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if (callback) callback(transport);
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update();
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} });
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}
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} catch (e) {
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exception_error("catchup_article", e);
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}
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}
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function get_visible_article_ids() {
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try {
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var elems = $("headlines-content").getElementsByTagName("LI");
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var ids = [];
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for (var i = 0; i < elems.length; i++) {
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if (elems[i].id && elems[i].id.match("A-")) {
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ids.push(elems[i].id.replace("A-", ""));
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}
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}
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return ids;
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} catch (e) {
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exception_error("get_visible_article_ids", e);
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}
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}
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function catchup_visible_articles(callback) {
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try {
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var ids = get_visible_article_ids();
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if (confirm(ngettext("Mark %d displayed article as read?", "Mark %d displayed articles as read?", ids.length).replace("%d", ids.length))) {
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var query = "op=rpc&method=catchupSelected" +
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"&cmode=0&ids=" + param_escape(ids);
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new Ajax.Request("backend.php", {
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parameters: query,
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onComplete: function(transport) {
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if (callback) callback(transport);
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viewfeed(_active_feed_id, 0);
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} });
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}
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} catch (e) {
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exception_error("catchup_visible_articles", e);
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}
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}
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function catchup_article(article_id, callback) {
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try {
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var query = "op=rpc&method=catchupSelected" +
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"&cmode=0&ids=" + article_id;
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new Ajax.Request("backend.php", {
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parameters: query,
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onComplete: function(transport) {
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if (callback) callback(transport);
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} });
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} catch (e) {
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exception_error("catchup_article", e);
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}
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}
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function set_selected_article(article_id) {
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try {
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$$("#headlines-content > li[id*=A-]").each(function(article) {
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var id = article.id.replace("A-", "");
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var cb = article.getElementsByTagName("INPUT")[0];
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if (id == article_id) {
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article.addClassName("selected");
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cb.checked = true;
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} else {
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article.removeClassName("selected");
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cb.checked = false;
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}
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});
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} catch (e) {
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exception_error("set_selected_article", e);
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}
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}
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function set_selected_feed(feed_id) {
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try {
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var feeds = $("feeds-content").getElementsByTagName("LI");
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for (var i = 0; i < feeds.length; i++) {
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if (feeds[i].id == "F-" + feed_id)
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feeds[i].className = "selected";
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else
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feeds[i].className = "";
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}
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_active_feed_id = feed_id;
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} catch (e) {
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exception_error("set_selected_feed", e);
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}
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}
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function load_more() {
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try {
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var pr = $("H-LOADING-IMG");
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if (pr) Element.show(pr);
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var offset = $$("#headlines-content > li[id*=A-][class*=fresh],li[id*=A-][class*=unread]").length;
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viewfeed(false, offset, false, false, true,
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function() {
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var pr = $("H-LOADING-IMG");
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if (pr) Element.hide(pr);
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});
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} catch (e) {
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exception_error("load_more", e);
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}
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}
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function update(callback) {
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try {
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console.log('updating feeds...');
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window.clearTimeout(_update_timeout);
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new Ajax.Request("backend.php", {
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parameters: "op=digest&method=digestinit",
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onComplete: function(transport) {
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fatal_error_check(transport);
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parse_feeds(transport);
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set_selected_feed(_active_feed_id);
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if (callback) callback(transport);
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} });
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_update_timeout = window.setTimeout('update()', 5*1000);
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} catch (e) {
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exception_error("update", e);
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}
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}
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function remove_headline_entry(article_id) {
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try {
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var elem = $('A-' + article_id);
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if (elem) {
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elem.parentNode.removeChild(elem);
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}
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} catch (e) {
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exception_error("remove_headline_entry", e);
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}
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}
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function view_update() {
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try {
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viewfeed(_active_feed_id, _active_feed_offset, false, true, true);
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update();
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} catch (e) {
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exception_error("view_update", e);
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}
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}
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function view(article_id) {
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try {
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$("content").addClassName("move");
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var a = $("A-" + article_id);
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var h = $("headlines");
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setTimeout(function() {
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// below or above viewport, reposition headline
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if (a.offsetTop > h.scrollTop + h.offsetHeight || a.offsetTop+a.offsetHeight < h.scrollTop+a.offsetHeight)
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h.scrollTop = a.offsetTop - (h.offsetHeight/2 - a.offsetHeight/2);
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}, 500);
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new Ajax.Request("backend.php", {
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parameters: "op=digest&method=digestgetcontents&article_id=" +
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article_id,
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onComplete: function(transport) {
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fatal_error_check(transport);
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var reply = JSON.parse(transport.responseText);
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if (reply) {
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var article = reply['article'];
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var mark_part = "";
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var publ_part = "";
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var tags_part = "";
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if (article.tags.length > 0) {
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tags_part = " " + __("in") + " ";
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for (var i = 0; i < Math.min(5, article.tags.length); i++) {
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//tags_part += "<a href=\"#\" onclick=\"viewfeed('" +
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// article.tags[i] + "')\">" +
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// article.tags[i] + "</a>, ";
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tags_part += article.tags[i] + ", ";
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}
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tags_part = tags_part.replace(/, $/, "");
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tags_part = "<span class=\"tags\">" + tags_part + "</span>";
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}
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if (article.marked)
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mark_part = "<img title='"+ __("Unstar article")+"' onclick=\"toggle_mark(this, "+article.id+")\" src='images/mark_set.svg'>";
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else
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mark_part = "<img title='"+__("Star article")+"' onclick=\"toggle_mark(this, "+article.id+")\" src='images/mark_unset.svg'>";
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if (article.published)
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publ_part = "<img title='"+__("Unpublish article")+"' onclick=\"toggle_pub(this, "+article.id+")\" src='images/pub_set.svg'>";
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else
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publ_part = "<img title='"+__("Publish article")+"' onclick=\"toggle_pub(this, "+article.id+")\" src='images/pub_unset.svg'>";
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var tmp = "<div id=\"inner\">" +
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"<div id=\"ops\">" +
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mark_part +
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publ_part +
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"</div>" +
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"<h1>" + "<a target=\"_blank\" href=\""+article.url+"\">" +
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article.title + "</a>" + "</h1>" +
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"<div id=\"tags\">" +
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tags_part +
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"</div>" +
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article.content + "</div>";
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$("article-content").innerHTML = tmp;
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$("article").addClassName("visible");
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set_selected_article(article.id);
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catchup_article(article_id,
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function() {
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$("A-" + article_id).addClassName("read");
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});
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} else {
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elem.innerHTML = __("Error: unable to load article.");
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}
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}
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});
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return false;
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} catch (e) {
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exception_error("view", e);
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}
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}
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function close_feed() {
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$("headlines").removeClassName("move");
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if (mobile_mode) set_selected_feed(false);
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}
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function go_back() {
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if ($("article").hasClassName("visible")) {
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close_article();
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} else {
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close_feed();
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}
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}
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function close_article() {
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$("content").removeClassName("move");
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$("article").removeClassName("visible");
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}
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function viewfeed(feed_id, offset, replace, no_effects, no_indicator, callback) {
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try {
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$("headlines").addClassName("move");
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if (!feed_id) feed_id = _active_feed_id;
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if (offset == undefined) offset = 0;
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if (replace == undefined) replace = (offset == 0);
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_update_seq = _update_seq + 1;
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if (!offset) $("headlines").scrollTop = 0;
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var query = "op=digest&method=digestupdate&feed_id=" +
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param_escape(feed_id) + "&offset=" + offset +
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"&seq=" + _update_seq;
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console.log(query);
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var img = false;
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if ($("F-" + feed_id)) {
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img = $("F-" + feed_id).getElementsByTagName("IMG")[0];
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if (img && !no_indicator) {
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img.setAttribute("orig_src", img.src);
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img.src = 'images/indicator_tiny.gif';
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}
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}
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new Ajax.Request("backend.php", {
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parameters: query,
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onComplete: function(transport) {
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Element.hide("overlay");
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fatal_error_check(transport);
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parse_headlines(transport, replace, no_effects);
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set_selected_feed(feed_id);
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_active_feed_offset = offset;
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if (img && !no_indicator)
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img.src = img.getAttribute("orig_src");
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if (callback) callback(transport);
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} });
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} catch (e) {
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exception_error("view", e);
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}
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}
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function find_article(articles, article_id) {
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try {
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for (var i = 0; i < articles.length; i++) {
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if (articles[i].id == article_id)
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return articles[i];
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}
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return false;
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} catch (e) {
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exception_error("find_article", e);
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}
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}
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function find_feed(feeds, feed_id) {
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try {
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for (var i = 0; i < feeds.length; i++) {
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if (feeds[i].id == feed_id)
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return feeds[i];
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}
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return false;
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} catch (e) {
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exception_error("find_feed", e);
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}
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}
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function get_feed_icon(feed) {
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try {
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if (feed.has_icon)
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return getInitParam('icons_url') + "/" + feed.id + '.ico';
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if (feed.id == -1)
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return 'images/mark_set.svg';
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if (feed.id == -2)
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return 'images/pub_set.svg';
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if (feed.id == -3)
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return 'images/fresh.png';
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if (feed.id == -4)
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return 'images/tag.png';
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if (feed.id < -10)
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return 'images/label.png';
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return 'images/blank_icon.gif';
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} catch (e) {
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exception_error("get_feed_icon", e);
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}
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}
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function add_feed_entry(feed) {
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try {
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var icon_part = "";
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icon_part = "<img src='" + get_feed_icon(feed) + "'/>";
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var title = (feed.title.length > 30) ?
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feed.title.substring(0, 30) + "…" :
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feed.title;
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var tmp_html = "<li id=\"F-"+feed.id+"\" onclick=\"viewfeed("+feed.id+")\">" +
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"<div class='unread-ctr'>" + "<span class=\"unread\">" + feed.unread + "</span></div>" +
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icon_part + title +
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"</li>";
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$("feeds-content").innerHTML += tmp_html;
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} catch (e) {
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exception_error("add_feed_entry", e);
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}
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}
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function add_headline_entry(article, feed, no_effects) {
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try {
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var icon_part = "";
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icon_part = "<img class='icon' src='" + get_feed_icon(feed) + "'/>";
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var style = "";
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//if (!no_effects) style = "style=\"display : none\"";
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if (article.excerpt.trim() == "")
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article.excerpt = __("Click to expand article.");
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var li_class = "unread";
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var fresh_max = getInitParam("fresh_article_max_age") * 60 * 60;
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var d = new Date();
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if (d.getTime() / 1000 - article.updated < fresh_max)
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li_class = "fresh";
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var checkbox_part = "<input type=\"checkbox\" class=\"cb\" onclick=\"toggle_select_article(this)\"/>";
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var date = new Date(article.updated * 1000);
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var date_part = date.toString().substring(0,21);
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var tmp_html = "<li id=\"A-"+article.id+"\" "+style+" class=\""+li_class+"\">" +
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checkbox_part +
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icon_part +
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"<a target=\"_blank\" href=\""+article.link+"\""+
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"onclick=\"return view("+article.id+")\" class='title'>" +
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article.title + "</a>" +
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"<div class='body'>" +
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"<div onclick=\"view("+article.id+")\" class='excerpt'>" +
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article.excerpt + "</div>" +
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"<div onclick=\"view("+article.id+")\" class='info'>";
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/* tmp_html += "<a href=\#\" onclick=\"viewfeed("+feed.id+")\">" +
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feed.title + "</a> " + " @ "; */
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tmp_html += date_part + "</div>" +
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"</div></li>";
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$("headlines-content").innerHTML += tmp_html;
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if (!no_effects)
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window.setTimeout('article_appear(' + article.id + ')', 100);
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} catch (e) {
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exception_error("add_headline_entry", e);
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}
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}
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function expand_feeds() {
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try {
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_feedlist_expanded = true;
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redraw_feedlist(last_feeds);
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} catch (e) {
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exception_error("expand_feeds", e);
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}
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}
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function redraw_feedlist(feeds) {
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try {
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$('feeds-content').innerHTML = "";
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var limit = 10;
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if (_feedlist_expanded) limit = feeds.length;
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for (var i = 0; i < Math.min(limit, feeds.length); i++) {
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add_feed_entry(feeds[i]);
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}
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if (feeds.length > limit) {
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$('feeds-content').innerHTML += "<li id='F-MORE-PROMPT'>" +
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"<img src='images/blank_icon.gif'>" +
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"<a href=\"#\" onclick=\"expand_feeds()\">" +
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ngettext("%d more...", "%d more...", feeds.length-10).replace("%d", feeds.length-10) +
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"</a>" + "</li>";
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}
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if (feeds.length == 0) {
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$('feeds-content').innerHTML =
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"<div class='insensitive' style='text-align : center'>" +
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__("No unread feeds.") + "</div>";
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}
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if (_active_feed_id)
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set_selected_feed(_active_feed_id);
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} catch (e) {
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exception_error("redraw_feedlist", e);
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}
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}
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function parse_feeds(transport) {
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try {
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var reply = JSON.parse(transport.responseText);
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if (!reply) return;
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var feeds = reply['feeds'];
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if (feeds) {
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feeds.sort( function (a,b)
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{
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if (b.unread != a.unread)
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return (b.unread - a.unread);
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else
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if (a.title > b.title)
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return 1;
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else if (a.title < b.title)
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return -1;
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else
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return 0;
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});
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var all_articles = find_feed(feeds, -4);
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update_title(all_articles.unread);
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|
last_feeds = feeds;
|
|
|
|
redraw_feedlist(feeds);
|
|
}
|
|
|
|
if (reply['hotkeys']) {
|
|
hotkeys_map = reply['hotkeys'];
|
|
}
|
|
|
|
} catch (e) {
|
|
console.log(e);
|
|
//exception_error("parse_feeds", e);
|
|
}
|
|
}
|
|
|
|
function parse_headlines(transport, replace, no_effects) {
|
|
try {
|
|
var reply = JSON.parse(transport.responseText);
|
|
if (!reply) return;
|
|
|
|
var seq = reply['seq'];
|
|
|
|
if (seq) {
|
|
if (seq != _update_seq) {
|
|
console.log("parse_headlines: wrong sequence received.");
|
|
return;
|
|
}
|
|
} else {
|
|
return;
|
|
}
|
|
|
|
var headlines = reply['headlines']['content'];
|
|
var headlines_title = reply['headlines']['title'];
|
|
|
|
if (headlines && headlines_title) {
|
|
|
|
if (replace) {
|
|
$('headlines-content').innerHTML = '';
|
|
}
|
|
|
|
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);
|
|
|
|
}
|
|
}
|
|
|
|
console.log(inserted.id);
|
|
|
|
var ids = get_visible_article_ids();
|
|
|
|
if (ids.length > 0) {
|
|
if (pr) {
|
|
$('headlines-content').appendChild(pr);
|
|
|
|
} else {
|
|
$('headlines-content').innerHTML += "<li id='H-MORE-PROMPT'>" +
|
|
"<div class='body'>" +
|
|
"<a href=\"#\" onclick=\"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>";
|
|
}
|
|
} else {
|
|
// FIXME : display some kind of "nothing to see here" prompt here
|
|
}
|
|
|
|
// 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: "op=digest&method=digestinit&init=1",
|
|
onComplete: function(transport) {
|
|
parse_feeds(transport);
|
|
Element.hide("overlay");
|
|
|
|
document.onkeydown = hotkey_handler;
|
|
|
|
if (!mobile_mode)
|
|
window.setTimeout('viewfeed(-4)', 100);
|
|
_update_timeout = window.setTimeout('update()', 5*1000);
|
|
} });
|
|
|
|
} catch (e) {
|
|
exception_error("init_second_stage", e);
|
|
}
|
|
}
|
|
|
|
function init(mobile) {
|
|
try {
|
|
mobile_mode = mobile;
|
|
|
|
new Ajax.Request("backend.php", {
|
|
parameters: {op: "rpc", method: "sanityCheck"},
|
|
onComplete: function(transport) {
|
|
backend_sanity_check_callback(transport);
|
|
} });
|
|
|
|
} catch (e) {
|
|
exception_error("digest_init", e);
|
|
}
|
|
}
|
|
|
|
function toggle_mark(img, id) {
|
|
|
|
try {
|
|
|
|
var query = "op=rpc&id=" + id + "&method=mark";
|
|
|
|
if (!img) return;
|
|
|
|
if (img.src.match("mark_unset")) {
|
|
img.src = img.src.replace("mark_unset", "mark_set");
|
|
img.alt = __("Unstar article");
|
|
query = query + "&mark=1";
|
|
} else {
|
|
img.src = img.src.replace("mark_set", "mark_unset");
|
|
img.alt = __("Star article");
|
|
query = query + "&mark=0";
|
|
}
|
|
|
|
new Ajax.Request("backend.php", {
|
|
parameters: query,
|
|
onComplete: function(transport) {
|
|
update();
|
|
} });
|
|
|
|
} catch (e) {
|
|
exception_error("toggle_mark", e);
|
|
}
|
|
}
|
|
|
|
function toggle_pub(img, id, note) {
|
|
|
|
try {
|
|
|
|
var query = "op=rpc&id=" + id + "&method=publ";
|
|
|
|
if (note != undefined) {
|
|
query = query + "¬e=" + param_escape(note);
|
|
} else {
|
|
query = query + "¬e=undefined";
|
|
}
|
|
|
|
if (!img) return;
|
|
|
|
if (img.src.match("pub_unset") || note != undefined) {
|
|
img.src = img.src.replace("pub_unset", "pub_set");
|
|
img.alt = __("Unpublish article");
|
|
query = query + "&pub=1";
|
|
|
|
} else {
|
|
img.src = img.src.replace("pub_set", "pub_unset");
|
|
img.alt = __("Publish article");
|
|
query = query + "&pub=0";
|
|
}
|
|
|
|
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 = "public.php?op=dbupdate";
|
|
} 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 update_title(unread) {
|
|
try {
|
|
document.title = "Tiny Tiny RSS";
|
|
|
|
if (unread > 0)
|
|
document.title += " (" + unread + ")";
|
|
|
|
} catch (e) {
|
|
exception_error("update_title", e);
|
|
}
|
|
}
|
|
|
|
function toggle_select_article(elem) {
|
|
try {
|
|
var article = elem.parentNode;
|
|
|
|
if (article.hasClassName("selected"))
|
|
article.removeClassName("selected");
|
|
else
|
|
article.addClassName("selected");
|
|
|
|
} catch (e) {
|
|
exception_error("toggle_select_article", e);
|
|
}
|
|
}
|
|
|
|
function hotkey_handler(e) {
|
|
try {
|
|
|
|
if (e.target.nodeName == "INPUT" || e.target.nodeName == "TEXTAREA") return;
|
|
|
|
var keycode = false;
|
|
var shift_key = false;
|
|
|
|
var cmdline = $('cmdline');
|
|
|
|
try {
|
|
shift_key = e.shiftKey;
|
|
} catch (e) {
|
|
|
|
}
|
|
|
|
if (window.event) {
|
|
keycode = window.event.keyCode;
|
|
} else if (e) {
|
|
keycode = e.which;
|
|
}
|
|
|
|
var keychar = String.fromCharCode(keycode);
|
|
|
|
if (!shift_key) keychar = keychar.toLowerCase();
|
|
|
|
if (keycode == 16) return; // ignore lone shift
|
|
if (keycode == 17) return; // ignore lone ctrl
|
|
|
|
var hotkey = keychar.search(/[a-zA-Z0-9]/) != -1 ? keychar : "(" + keycode + ")";
|
|
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;
|
|
}
|
|
}
|
|
|
|
switch (keycode) {
|
|
case 27: // esc
|
|
go_back();
|
|
return false;
|
|
}
|
|
|
|
switch (hotkey_action) {
|
|
case "next_feed":
|
|
var feeds = $$("#feeds li");
|
|
for (var i = 0; i < feeds.length; i++) {
|
|
var base_id = feeds[i].id.replace("F-", "");
|
|
|
|
if (base_id == _active_feed_id) {
|
|
if (feeds[i+1]) {
|
|
viewfeed(feeds[i+1].id.replace("F-", ""));
|
|
}
|
|
break;
|
|
}
|
|
}
|
|
return false;
|
|
case "prev_feed":
|
|
var feeds = $$("#feeds li");
|
|
for (var i = 0; i < feeds.length; i++) {
|
|
var base_id = feeds[i].id.replace("F-", "");
|
|
|
|
if (base_id == _active_feed_id) {
|
|
if (feeds[i-1]) {
|
|
viewfeed(feeds[i-1].id.replace("F-", ""));
|
|
}
|
|
break;
|
|
}
|
|
}
|
|
return false;
|
|
case "next_article":
|
|
return false;
|
|
case "prev_article":
|
|
return false;
|
|
default:
|
|
console.log("unhandled action: " + hotkey_action + "; hotkey: " + hotkey);
|
|
}
|
|
|
|
|
|
} catch (e) {
|
|
exception_error("hotkey_handler", e);
|
|
}
|
|
}
|