474 lines
11 KiB
JavaScript
474 lines
11 KiB
JavaScript
/*
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This program is Copyright (c) 2003-2005 Andrew Dolgov <cthulhoo@gmail.com>
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Licensed under GPL v.2 or (at your preference) any later version.
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*/
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var xmlhttp = false;
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var xmlhttp_rpc = false;
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var xmlhttp_view = false;
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var total_unread = 0;
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var first_run = true;
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var active_post_id = false;
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var active_feed_id = false;
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var active_offset = false;
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var total_feed_entries = false;
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var _viewfeed_autoselect_first = false;
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var _viewfeed_autoselect_last = false;
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/*@cc_on @*/
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/*@if (@_jscript_version >= 5)
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// JScript gives us Conditional compilation, we can cope with old IE versions.
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// and security blocked creation of the objects.
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try {
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xmlhttp = new ActiveXObject("Msxml2.XMLHTTP");
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} catch (e) {
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try {
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xmlhttp = new ActiveXObject("Microsoft.XMLHTTP");
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xmlhttp_rpc = new ActiveXObject("Microsoft.XMLHTTP");
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xmlhttp_view = new ActiveXObject("Microsoft.XMLHTTP");
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} catch (E) {
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xmlhttp = false;
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xmlhttp_rpc = false;
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xmlhttp_view = false;
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}
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}
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@end @*/
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if (!xmlhttp && typeof XMLHttpRequest!='undefined') {
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xmlhttp = new XMLHttpRequest();
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xmlhttp_rpc = new XMLHttpRequest();
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xmlhttp_view = new XMLHttpRequest();
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}
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function feedlist_callback() {
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var container = document.getElementById('feeds');
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if (xmlhttp.readyState == 4) {
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container.innerHTML=xmlhttp.responseText;
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// var feedtu = document.getElementById("FEEDTU");
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// if (feedtu) {
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// total_unread = feedtu.innerHTML;
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// update_title();
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// }
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if (first_run) {
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scheduleFeedUpdate(false);
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first_run = false;
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} else {
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notify("");
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}
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}
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}
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function viewfeed_callback() {
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var container = document.getElementById('headlines');
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if (xmlhttp.readyState == 4) {
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container.innerHTML = xmlhttp.responseText;
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var factive = document.getElementById("FACTIVE");
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var funread = document.getElementById("FUNREAD");
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var ftotal = document.getElementById("FTOTAL");
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if (_viewfeed_autoselect_first == true) {
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_viewfeed_autoselect_first = false;
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view(getFirstVisibleHeadlineId(), active_feed_id);
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}
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if (_viewfeed_autoselect_last == true) {
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_viewfeed_autoselect_last = false;
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view(getLastVisibleHeadlineId(), active_feed_id);
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}
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if (ftotal && factive && funread) {
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var feed_id = factive.innerHTML;
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var feedr = document.getElementById("FEEDR-" + feed_id);
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var feedt = document.getElementById("FEEDT-" + feed_id);
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var feedu = document.getElementById("FEEDU-" + feed_id);
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feedt.innerHTML = ftotal.innerHTML;
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feedu.innerHTML = funread.innerHTML;
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total_feed_entries = ftotal.innerHTML;
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if (feedu.innerHTML > 0 && !feedr.className.match("Unread")) {
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feedr.className = feedr.className + "Unread";
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} else if (feedu.innerHTML <= 0) {
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feedr.className = feedr.className.replace("Unread", "");
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}
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}
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notify("");
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}
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}
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function view_callback() {
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var container = document.getElementById('content');
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if (xmlhttp_view.readyState == 4) {
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container.innerHTML=xmlhttp_view.responseText;
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}
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}
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function refetch_callback() {
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if (xmlhttp_rpc.readyState == 4) {
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notify("All feeds updated");
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var container = document.getElementById('feeds');
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container.innerHTML = xmlhttp_rpc.responseText;
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document.title = "Tiny Tiny RSS";
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//updateFeedList(true, false);
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}
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}
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function scheduleFeedUpdate(force) {
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notify("Updating feeds in background...");
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document.title = "Tiny Tiny RSS - Updating...";
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var query_str = "backend.php?op=rpc&subop=";
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if (force) {
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query_str = query_str + "forceUpdateAllFeeds";
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} else {
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query_str = query_str + "updateAllFeeds";
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}
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if (xmlhttp_rpc.readyState == 4 || xmlhttp_rpc.readyState == 0) {
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xmlhttp_rpc.open("GET", query_str, true);
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xmlhttp_rpc.onreadystatechange=refetch_callback;
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xmlhttp_rpc.send(null);
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} else {
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printLockingError();
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}
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}
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function updateFeedList(silent, fetch) {
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if (silent != true) {
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notify("Loading feed list...");
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}
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var query_str = "backend.php?op=feeds";
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if (fetch) query_str = query_str + "&fetch=yes";
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if (xmlhttp.readyState == 4 || xmlhttp.readyState == 0) {
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xmlhttp.open("GET", query_str, true);
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xmlhttp.onreadystatechange=feedlist_callback;
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xmlhttp.send(null);
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} else {
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printLockingError();
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}
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}
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function catchupPage(feed) {
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if (xmlhttp.readyState != 4 && xmlhttp.readyState != 0) {
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printLockingError();
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return
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}
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var content = document.getElementById("headlinesList");
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var rows = new Array();
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for (i = 0; i < content.rows.length; i++) {
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var row_id = content.rows[i].id.replace("RROW-", "");
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if (row_id.length > 0) {
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if (content.rows[i].className.match("Unread")) {
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rows.push(row_id);
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content.rows[i].className = content.rows[i].className.replace("Unread", "");
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}
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}
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}
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if (rows.length > 0) {
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var feedr = document.getElementById("FEEDR-" + feed);
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var feedu = document.getElementById("FEEDU-" + feed);
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feedu.innerHTML = feedu.innerHTML - rows.length;
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if (feedu.innerHTML > 0 && !feedr.className.match("Unread")) {
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feedr.className = feedr.className + "Unread";
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} else if (feedu.innerHTML <= 0) {
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feedr.className = feedr.className.replace("Unread", "");
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}
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var query_str = "backend.php?op=rpc&subop=catchupPage&ids=" +
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param_escape(rows.toString());
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notify("Marking this page as read...");
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xmlhttp.open("GET", query_str, true);
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xmlhttp.onreadystatechange=notify_callback;
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xmlhttp.send(null);
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} else {
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notify("No unread items on this page.");
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}
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}
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function catchupAllFeeds() {
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if (xmlhttp.readyState != 4 && xmlhttp.readyState != 0) {
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printLockingError();
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return
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}
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var query_str = "backend.php?op=feeds&subop=catchupAll";
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notify("Marking all feeds as read...");
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xmlhttp.open("GET", query_str, true);
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xmlhttp.onreadystatechange=feedlist_callback;
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xmlhttp.send(null);
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}
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function viewfeed(feed, skip, subop) {
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// document.getElementById('headlines').innerHTML='Loading headlines, please wait...';
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// document.getElementById('content').innerHTML=' ';
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if (skip < 0 || skip > total_feed_entries) {
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return;
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}
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if (xmlhttp.readyState != 4 && xmlhttp.readyState != 0) {
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printLockingError();
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return
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}
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active_feed_id = feed;
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active_post_id = false;
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active_offset = skip;
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xmlhttp.open("GET", "backend.php?op=viewfeed&feed=" + param_escape(feed) +
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"&skip=" + param_escape(skip) + "&subop=" + param_escape(subop) , true);
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xmlhttp.onreadystatechange=viewfeed_callback;
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xmlhttp.send(null);
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notify("Loading headlines...");
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}
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function cleanSelectedHeadlines() {
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var content = document.getElementById("headlinesList");
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var rows = new Array();
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for (i = 0; i < content.rows.length; i++) {
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content.rows[i].className = content.rows[i].className.replace("Selected", "");
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}
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}
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function view(id,feed_id) {
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if (xmlhttp_view.readyState != 4 && xmlhttp_view.readyState != 0) {
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printLockingError();
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return
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}
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var crow = document.getElementById("RROW-" + id);
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if (crow.className.match("Unread")) {
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var umark = document.getElementById("FEEDU-" + feed_id);
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umark.innerHTML = umark.innerHTML - 1;
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crow.className = crow.className.replace("Unread", "");
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if (umark.innerHTML == "0") {
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var feedr = document.getElementById("FEEDR-" + feed_id);
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feedr.className = feedr.className.replace("Unread", "");
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}
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total_unread--;
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update_title();
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}
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cleanSelectedHeadlines();
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crow.className = crow.className + "Selected";
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var upd_img_pic = document.getElementById("FUPDPIC-" + id);
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if (upd_img_pic) {
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upd_img_pic.innerHTML = "";
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}
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document.getElementById('content').innerHTML='Loading, please wait...';
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active_post_id = id;
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xmlhttp_view.open("GET", "backend.php?op=view&id=" + param_escape(id), true);
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xmlhttp_view.onreadystatechange=view_callback;
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xmlhttp_view.send(null);
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}
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function timeout() {
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scheduleFeedUpdate(true);
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setTimeout("timeout()", 1800*1000);
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}
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function search(feed, sender) {
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if (xmlhttp.readyState != 4 && xmlhttp.readyState != 0) {
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printLockingError();
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return
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}
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notify("Search: " + feed + ", " + sender.value)
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document.getElementById('headlines').innerHTML='Loading headlines, please wait...';
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document.getElementById('content').innerHTML=' ';
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xmlhttp.open("GET", "backend.php?op=viewfeed&feed=" + param_escape(feed) +
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"&search=" + param_escape(sender.value) + "&subop=search", true);
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xmlhttp.onreadystatechange=viewfeed_callback;
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xmlhttp.send(null);
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}
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function update_title() {
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//document.title = "Tiny Tiny RSS (" + total_unread + " unread)";
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}
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function localPiggieFunction(enable) {
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if (enable) {
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var query_str = "backend.php?op=feeds&subop=piggie";
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if (xmlhttp.readyState == 4 || xmlhttp.readyState == 0) {
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xmlhttp.open("GET", query_str, true);
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xmlhttp.onreadystatechange=feedlist_callback;
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xmlhttp.send(null);
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}
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}
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}
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function relativeid_callback() {
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if (xmlhttp_rpc.readyState == 4) {
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notify(xmlhttp_rpc.responseText);
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}
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}
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function getVisibleHeadlineIds() {
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var content = document.getElementById("headlinesList");
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var rows = new Array();
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for (i = 0; i < content.rows.length; i++) {
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var row_id = content.rows[i].id.replace("RROW-", "");
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if (row_id.length > 0) {
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rows.push(row_id);
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}
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}
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return rows;
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}
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function getFirstVisibleHeadlineId() {
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var rows = getVisibleHeadlineIds();
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return rows[0];
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}
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function getLastVisibleHeadlineId() {
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var rows = getVisibleHeadlineIds();
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return rows[rows.length-1];
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}
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function moveToPost(mode) {
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var rows = getVisibleHeadlineIds();
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var prev_id;
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var next_id;
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if (active_post_id == false) {
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next_id = getFirstVisibleHeadlineId();
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prev_id = getLastVisibleHeadlineId();
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} else {
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for (var i = 0; i < rows.length; i++) {
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if (rows[i] == active_post_id) {
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prev_id = rows[i-1];
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next_id = rows[i+1];
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}
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}
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}
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var content = document.getElementById("headlinesList");
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if (mode == "next") {
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if (next_id != undefined) {
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view(next_id, active_feed_id);
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} else {
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_viewfeed_autoselect_first = true;
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viewfeed(active_feed_id, active_offset+15);
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}
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}
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if (mode == "prev") {
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if ( prev_id != undefined) {
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view(prev_id, active_feed_id);
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} else {
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_viewfeed_autoselect_last = true;
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viewfeed(active_feed_id, active_offset-15);
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}
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}
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}
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function localHotkeyHandler(keycode) {
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if (keycode == 78) {
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return moveToPost('next');
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}
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if (keycode == 80) {
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return moveToPost('prev');
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}
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if (keycode == 82) {
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return scheduleFeedUpdate(true);
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}
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if (keycode == 85) {
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return viewfeed(active_feed_id, active_offset, "ForceUpdate");
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}
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// notify("KC: " + keycode);
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}
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function init() {
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if (!xmlhttp) {
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document.getElementById("headlines").innerHTML =
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"<b>Fatal error:</b> This program needs XmlHttpRequest " +
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"to function properly. Your browser doesn't seem to support it.";
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return;
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}
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updateFeedList(false, false);
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document.onkeydown = hotkey_handler;
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setTimeout("timeout()", 1800*1000);
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}
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