ttrss/tt-rss.js

314 lines
7.3 KiB
JavaScript

/*
This program is Copyright (c) 2003-2005 Andrew Dolgov <cthulhoo@gmail.com>
Licensed under GPL v.2 or (at your preference) any later version.
*/
var xmlhttp = false;
var xmlhttp_rpc = false;
var total_unread = 0;
var first_run = true;
/*@cc_on @*/
/*@if (@_jscript_version >= 5)
// JScript gives us Conditional compilation, we can cope with old IE versions.
// and security blocked creation of the objects.
try {
xmlhttp = new ActiveXObject("Msxml2.XMLHTTP");
} catch (e) {
try {
xmlhttp = new ActiveXObject("Microsoft.XMLHTTP");
xmlhttp_rpc = new ActiveXObject("Microsoft.XMLHTTP");
} catch (E) {
xmlhttp = false;
xmlhttp_rpc = false;
}
}
@end @*/
if (!xmlhttp && typeof XMLHttpRequest!='undefined') {
xmlhttp = new XMLHttpRequest();
xmlhttp_rpc = new XMLHttpRequest();
}
function notify_callback() {
var container = document.getElementById('notify');
if (xmlhttp.readyState == 4) {
container.innerHTML=xmlhttp.responseText;
}
}
function feedlist_callback() {
var container = document.getElementById('feeds');
if (xmlhttp.readyState == 4) {
container.innerHTML=xmlhttp.responseText;
// var feedtu = document.getElementById("FEEDTU");
// if (feedtu) {
// total_unread = feedtu.innerHTML;
// update_title();
// }
if (first_run) {
scheduleFeedUpdate(false);
first_run = false;
} else {
notify("");
}
}
}
function viewfeed_callback() {
var container = document.getElementById('headlines');
if (xmlhttp.readyState == 4) {
container.innerHTML = xmlhttp.responseText;
var factive = document.getElementById("FACTIVE");
var funread = document.getElementById("FUNREAD");
var ftotal = document.getElementById("FTOTAL");
if (ftotal && factive && funread) {
var feed_id = factive.innerHTML;
var feedr = document.getElementById("FEEDR-" + feed_id);
var feedt = document.getElementById("FEEDT-" + feed_id);
var feedu = document.getElementById("FEEDU-" + feed_id);
feedt.innerHTML = ftotal.innerHTML;
feedu.innerHTML = funread.innerHTML;
if (feedu.innerHTML > 0 && !feedr.className.match("Unread")) {
feedr.className = feedr.className + "Unread";
} else if (feedu.innerHTML <= 0) {
feedr.className = feedr.className.replace("Unread", "");
}
}
notify("");
}
}
function view_callback() {
var container = document.getElementById('content');
if (xmlhttp.readyState == 4) {
container.innerHTML=xmlhttp.responseText;
}
}
function refetch_callback() {
if (xmlhttp_rpc.readyState == 4) {
notify("All feeds updated");
var container = document.getElementById('feeds');
container.innerHTML = xmlhttp_rpc.responseText;
document.title = "Tiny Tiny RSS";
//updateFeedList(true, false);
}
}
function scheduleFeedUpdate(force) {
notify("Updating feeds in background...");
document.title = "Tiny Tiny RSS - Updating...";
var query_str = "backend.php?op=rpc&subop=";
if (force) {
query_str = query_str + "forceUpdateAllFeeds";
} else {
query_str = query_str + "updateAllFeeds";
}
if (xmlhttp_rpc.readyState == 4 || xmlhttp_rpc.readyState == 0) {
xmlhttp_rpc.open("GET", query_str, true);
xmlhttp_rpc.onreadystatechange=refetch_callback;
xmlhttp_rpc.send(null);
} else {
printLockingError();
}
}
function updateFeedList(silent, fetch) {
if (silent != true) {
notify("Loading feed list...");
}
var query_str = "backend.php?op=feeds";
if (fetch) query_str = query_str + "&fetch=yes";
if (xmlhttp.readyState == 4 || xmlhttp.readyState == 0) {
xmlhttp.open("GET", query_str, true);
xmlhttp.onreadystatechange=feedlist_callback;
xmlhttp.send(null);
} else {
printLockingError();
}
}
function catchupPage(feed) {
if (xmlhttp.readyState != 4 && xmlhttp.readyState != 0) {
printLockingError();
return
}
var content = document.getElementById("headlinesList");
var rows = new Array();
for (i = 0; i < content.rows.length; i++) {
var row_id = content.rows[i].id.replace("RROW-", "");
if (row_id.length > 0) {
if (content.rows[i].className.match("Unread")) {
rows.push(row_id);
content.rows[i].className = content.rows[i].className.replace("Unread", "");
}
}
}
if (rows.length > 0) {
var feedr = document.getElementById("FEEDR-" + feed);
var feedu = document.getElementById("FEEDU-" + feed);
feedu.innerHTML = feedu.innerHTML - rows.length;
if (feedu.innerHTML > 0 && !feedr.className.match("Unread")) {
feedr.className = feedr.className + "Unread";
} else if (feedu.innerHTML <= 0) {
feedr.className = feedr.className.replace("Unread", "");
}
var query_str = "backend.php?op=rpc&subop=catchupPage&ids=" +
param_escape(rows.toString());
notify("Marking this page as read...");
xmlhttp.open("GET", query_str, true);
xmlhttp.onreadystatechange=notify_callback;
xmlhttp.send(null);
} else {
notify("No unread items on this page.");
}
}
function catchupAllFeeds() {
if (xmlhttp.readyState != 4 && xmlhttp.readyState != 0) {
printLockingError();
return
}
var query_str = "backend.php?op=feeds&subop=catchupAll";
notify("Marking all feeds as read...");
xmlhttp.open("GET", query_str, true);
xmlhttp.onreadystatechange=feedlist_callback;
xmlhttp.send(null);
}
function viewfeed(feed, skip, subop) {
// document.getElementById('headlines').innerHTML='Loading headlines, please wait...';
// document.getElementById('content').innerHTML='&nbsp;';
if (xmlhttp.readyState != 4 && xmlhttp.readyState != 0) {
printLockingError();
return
}
xmlhttp.open("GET", "backend.php?op=viewfeed&feed=" + param_escape(feed) +
"&skip=" + param_escape(skip) + "&subop=" + param_escape(subop) , true);
xmlhttp.onreadystatechange=viewfeed_callback;
xmlhttp.send(null);
notify("Loading headlines...");
}
function view(id,feed_id) {
if (xmlhttp.readyState != 4 && xmlhttp.readyState != 0) {
printLockingError();
return
}
var crow = document.getElementById("RROW-" + id);
if (crow.className.match("Unread")) {
var umark = document.getElementById("FEEDU-" + feed_id);
umark.innerHTML = umark.innerHTML - 1;
crow.className = crow.className.replace("Unread", "");
if (umark.innerHTML == "0") {
var feedr = document.getElementById("FEEDR-" + feed_id);
feedr.className = feedr.className.replace("Unread", "");
}
total_unread--;
update_title();
}
var upd_img_pic = document.getElementById("FUPDPIC-" + id);
if (upd_img_pic) {
upd_img_pic.innerHTML = "";
}
document.getElementById('content').innerHTML='Loading, please wait...';
xmlhttp.open("GET", "backend.php?op=view&id=" + param_escape(id), true);
xmlhttp.onreadystatechange=view_callback;
xmlhttp.send(null);
}
function timeout() {
scheduleFeedUpdate(true);
setTimeout("timeout()", 1800*1000);
}
function search(feed, sender) {
if (xmlhttp.readyState != 4 && xmlhttp.readyState != 0) {
printLockingError();
return
}
notify("Search: " + feed + ", " + sender.value)
document.getElementById('headlines').innerHTML='Loading headlines, please wait...';
document.getElementById('content').innerHTML='&nbsp;';
xmlhttp.open("GET", "backend.php?op=viewfeed&feed=" + param_escape(feed) +
"&search=" + param_escape(sender.value) + "&subop=search", true);
xmlhttp.onreadystatechange=viewfeed_callback;
xmlhttp.send(null);
}
function update_title() {
//document.title = "Tiny Tiny RSS (" + total_unread + " unread)";
}
function init() {
updateFeedList(false, false);
setTimeout("timeout()", 1800*1000);
}