ttrss/tt-rss.js

717 lines
14 KiB
JavaScript

var xmlhttp = false;
var total_unread = 0;
var first_run = true;
var display_tags = false;
var global_unread = -1;
var active_title_text = "";
var current_subtitle = "";
var daemon_enabled = false;
var _qfd_deleted_feed = 0;
var firsttime_update = true;
var last_refetch = 0;
/*@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");
} catch (E) {
xmlhttp = false;
}
}
@end @*/
if (!xmlhttp && typeof XMLHttpRequest!='undefined') {
xmlhttp = new XMLHttpRequest();
}
function toggleTags() {
display_tags = !display_tags;
var p = document.getElementById("dispSwitchPrompt");
if (display_tags) {
p.innerHTML = "display feeds";
} else {
p.innerHTML = "display tags";
}
updateFeedList();
}
function dlg_frefresh_callback() {
if (xmlhttp.readyState == 4) {
notify(xmlhttp.responseText);
updateFeedList(false, false);
if (_qfd_deleted_feed) {
var hframe = document.getElementById("headlines-frame");
if (hframe) {
hframe.src = "backend.php?op=error&msg=No%20feed%20selected.";
}
}
closeDlg();
}
}
function dlg_submit_callback() {
if (xmlhttp.readyState == 4) {
notify(xmlhttp.responseText);
closeDlg();
}
}
function dlg_display_callback() {
if (xmlhttp.readyState == 4) {
var dlg = document.getElementById("userDlg");
var dlg_s = document.getElementById("userDlgShadow");
dlg.innerHTML = xmlhttp.responseText;
dlg_s.style.display = "block";
}
}
function hide_unread_callback() {
if (xmlhttp.readyState == 4) {
try {
var reply = xmlhttp.responseXML.firstChild.firstChild;
var value = reply.getAttribute("value");
var hide_read_feeds = (value != "false")
var feeds_doc = window.frames["feeds-frame"].document;
hideOrShowFeeds(feeds_doc, hide_read_feeds);
if (hide_read_feeds) {
setCookie("ttrss_vf_hreadf", 1);
} else {
setCookie("ttrss_vf_hreadf", 0);
}
} catch (e) {
exception_error("hide_unread_callback", e);
}
}
}
function refetch_callback() {
if (xmlhttp.readyState == 4) {
try {
var date = new Date();
last_refetch = date.getTime() / 1000;
if (!xmlhttp.responseXML) {
notify("refetch_callback: backend did not return valid XML");
return;
}
var reply = xmlhttp.responseXML.firstChild;
if (!reply) {
notify("refetch_callback: backend did not return expected XML object");
updateTitle("");
return;
}
var error_code = reply.getAttribute("error-code");
if (error_code && error_code != 0) {
return fatalError(error_code);
}
var f_document = window.frames["feeds-frame"].document;
parse_counters(reply, f_document, window);
debug("refetch_callback: done");
if (!daemon_enabled) {
notify("All feeds updated.");
updateTitle("");
} else {
notify("");
}
} catch (e) {
exception_error("refetch_callback", e);
updateTitle("");
}
}
}
function backend_sanity_check_callback() {
if (xmlhttp.readyState == 4) {
try {
if (!xmlhttp.responseXML) {
fatalError(3, "D001;" + xmlhttp.responseText);
return;
}
var reply = xmlhttp.responseXML.firstChild;
if (!reply) {
fatalError(3, "D002;" + xmlhttp.responseText);
return;
}
var error_code = reply.getAttribute("error-code");
if (error_code && error_code != 0) {
return fatalError(error_code);
}
debug("sanity check ok");
init_second_stage();
} catch (e) {
exception_error("backend_sanity_check_callback", e);
}
}
}
function scheduleFeedUpdate(force) {
if (!daemon_enabled) {
notify("Updating feeds, please wait.");
updateTitle("Updating");
}
var query_str = "backend.php?op=rpc&subop=";
if (force) {
query_str = query_str + "forceUpdateAllFeeds";
} else {
query_str = query_str + "updateAllFeeds";
}
var omode;
if (firsttime_update && !navigator.userAgent.match("Opera")) {
firsttime_update = false;
omode = "T";
} else {
if (display_tags) {
omode = "t";
} else {
omode = "flc";
}
}
query_str = query_str + "&omode=" + omode;
query_str = query_str + "&uctr=" + global_unread;
debug("in scheduleFeedUpdate");
var date = new Date();
if (!xmlhttp_ready(xmlhttp) && last_refetch < date.getTime() / 1000 - 60) {
debug("xmlhttp seems to be stuck, aborting");
xmlhttp.abort();
}
if (xmlhttp_ready(xmlhttp)) {
xmlhttp.open("GET", query_str, true);
xmlhttp.onreadystatechange=refetch_callback;
xmlhttp.send(null);
} else {
debug("xmlhttp busy");
printLockingError();
}
}
function updateFeedList(silent, fetch) {
// if (silent != true) {
// notify("Loading feed list...");
// }
var query_str = "backend.php?op=feeds";
if (display_tags) {
query_str = query_str + "&tags=1";
}
if (getActiveFeedId()) {
query_str = query_str + "&actid=" + getActiveFeedId();
}
if (navigator.userAgent.match("Opera")) {
var date = new Date();
var timestamp = Math.round(date.getTime() / 1000);
query_str = query_str + "&ts=" + timestamp
}
if (fetch) query_str = query_str + "&fetch=yes";
var feeds_frame = document.getElementById("feeds-frame");
feeds_frame.src = query_str;
}
function catchupAllFeeds() {
var query_str = "backend.php?op=feeds&subop=catchupAll";
notify("Marking all feeds as read...");
var feeds_frame = document.getElementById("feeds-frame");
feeds_frame.src = query_str;
global_unread = 0;
updateTitle("");
}
function viewCurrentFeed(skip, subop) {
if (getActiveFeedId()) {
viewfeed(getActiveFeedId(), skip, subop);
} else {
disableContainerChildren("headlinesToolbar", false, document);
viewfeed(-1, skip, subop); // FIXME
}
}
function viewfeed(feed, skip, subop) {
var f = window.frames["feeds-frame"];
f.viewfeed(feed, skip, subop);
}
function timeout() {
scheduleFeedUpdate(false);
var refresh_time = getCookie('ttrss_vf_refresh');
if (!refresh_time) refresh_time = 600;
setTimeout("timeout()", refresh_time*1000);
}
function resetSearch() {
var searchbox = document.getElementById("searchbox")
if (searchbox.value != "" && getActiveFeedId()) {
searchbox.value = "";
viewfeed(getActiveFeedId(), 0, "");
}
}
function search() {
closeDlg();
viewCurrentFeed(0, "");
}
function localPiggieFunction(enable) {
if (enable) {
var query_str = "backend.php?op=feeds&subop=piggie";
if (xmlhttp_ready(xmlhttp)) {
xmlhttp.open("GET", query_str, true);
xmlhttp.onreadystatechange=feedlist_callback;
xmlhttp.send(null);
}
}
}
function localHotkeyHandler(keycode) {
if (keycode == 82) { // r
return scheduleFeedUpdate(true);
}
if (keycode == 85) { // u
if (getActiveFeedId()) {
return viewfeed(getActiveFeedId(), 0, "ForceUpdate");
}
}
if (keycode == 65) { // a
return toggleDispRead();
}
var f_doc = window.frames["feeds-frame"].document;
var feedlist = f_doc.getElementById('feedList');
if (keycode == 74) { // j
var feed = getActiveFeedId();
var new_feed = getRelativeFeedId(feedlist, feed, 'prev');
if (new_feed) viewfeed(new_feed, 0, '');
}
if (keycode == 75) { // k
var feed = getActiveFeedId();
var new_feed = getRelativeFeedId(feedlist, feed, 'next');
if (new_feed) viewfeed(new_feed, 0, '');
}
// notify("KC: " + keycode);
}
// if argument is undefined, current subtitle is not updated
// use blank string to clear subtitle
function updateTitle(s) {
var tmp = "Tiny Tiny RSS";
if (s != undefined) {
current_subtitle = s;
}
if (global_unread > 0) {
tmp = tmp + " (" + global_unread + ")";
}
if (current_subtitle) {
tmp = tmp + " - " + current_subtitle;
}
if (active_title_text.length > 0) {
tmp = tmp + " > " + active_title_text;
}
document.title = tmp;
}
function genericSanityCheck() {
if (!xmlhttp) fatalError(1);
setCookie("ttrss_vf_test", "TEST");
if (getCookie("ttrss_vf_test") != "TEST") {
fatalError(2);
}
return true;
}
function init() {
try {
// this whole shebang is based on http://www.birnamdesigns.com/misc/busted2.html
if (arguments.callee.done) return;
arguments.callee.done = true;
disableContainerChildren("headlinesToolbar", true);
if (!genericSanityCheck())
return;
if (getURLParam('debug')) {
document.getElementById('debug_output').style.display = 'block';
debug('debug mode activated');
}
xmlhttp.open("GET", "backend.php?op=rpc&subop=sanityCheck", true);
xmlhttp.onreadystatechange=backend_sanity_check_callback;
xmlhttp.send(null);
} catch (e) {
exception_error("init", e);
}
}
function resize_feeds_frame() {
var f = document.getElementById("feeds-frame");
var tf = document.getElementById("mainFooter");
var th = document.getElementById("mainHeader");
f.style.height = document.body.scrollHeight - tf.scrollHeight -
th.scrollHeight - 50 + "px";
}
function init_second_stage() {
try {
setCookie("ttrss_vf_actfeed", "");
updateFeedList(false, false);
document.onkeydown = hotkey_handler;
var viewbox = document.getElementById("viewbox");
var limitbox = document.getElementById("limitbox");
dropboxSelect(viewbox, getCookie("ttrss_vf_vmode"));
dropboxSelect(limitbox, getCookie("ttrss_vf_limit"));
daemon_enabled = getCookie("ttrss_vf_daemon");
// FIXME should be callled after window resize
if (navigator.userAgent.match("Opera")) {
resize_feeds_frame();
/* // fix headlines frame height for Opera
var h = document.getElementById("headlines");
var c = document.getElementById("content");
var nh = document.body.scrollHeight * 0.25;
h.style.height = nh + "px";
c.style.height = c.scrollHeight - nh + "px"; */
}
debug("second stage ok");
} catch (e) {
exception_error("init_second_stage", e);
}
}
function quickMenuChange() {
var chooser = document.getElementById("quickMenuChooser");
var opid = chooser[chooser.selectedIndex].id;
chooser.selectedIndex = 0;
quickMenuGo(opid);
}
function quickMenuGo(opid) {
if (opid == "qmcPrefs") {
gotoPreferences();
}
if (opid == "qmcSearch") {
displayDlg("search", getActiveFeedId());
return;
}
if (opid == "qmcAddFeed") {
displayDlg("quickAddFeed");
return;
}
if (opid == "qmcRemoveFeed") {
var actid = getActiveFeedId();
if (!actid) {
notify("Please select some feed first.");
return;
}
if (confirm("Remove current feed?")) {
qfdDelete(actid);
}
return;
}
if (opid == "qmcUpdateFeeds") {
scheduleFeedUpdate(true);
return;
}
if (opid == "qmcCatchupAll") {
catchupAllFeeds();
return;
}
if (opid == "qmcShowOnlyUnread") {
toggleDispRead();
return;
}
if (opid == "qmcAddFilter") {
displayDlg("quickAddFilter", getActiveFeedId());
}
}
function qafAdd() {
if (!xmlhttp_ready(xmlhttp)) {
printLockingError();
return
}
var link = document.getElementById("qafInput");
if (link.value.length == 0) {
notify("Missing feed URL.");
} else {
notify("Adding feed...");
var cat = document.getElementById("qafCat");
var cat_id = "";
if (cat) {
cat_id = cat[cat.selectedIndex].id;
} else {
cat_id = 0;
}
var feeds_doc = window.frames["feeds-frame"].document;
feeds_doc.location.href = "backend.php?op=error&msg=Loading,%20please wait...";
xmlhttp.open("GET", "backend.php?op=pref-feeds&quiet=1&subop=add&link=" +
param_escape(link.value) + "&cid=" + param_escape(cat_id), true);
xmlhttp.onreadystatechange=dlg_frefresh_callback;
xmlhttp.send(null);
link.value = "";
}
}
function qaddFilter() {
if (!xmlhttp_ready(xmlhttp)) {
printLockingError();
return
}
var regexp = document.getElementById("fadd_regexp");
var match = document.getElementById("fadd_match");
var feed = document.getElementById("fadd_feed");
var action = document.getElementById("fadd_action");
if (regexp.value.length == 0) {
notify("Missing filter expression.");
} else {
notify("Adding filter...");
var v_match = match[match.selectedIndex].text;
var feed_id = feed[feed.selectedIndex].id;
var action_id = action[action.selectedIndex].id;
xmlhttp.open("GET", "backend.php?op=pref-filters&quiet=1&subop=add&regexp=" +
param_escape(regexp.value) + "&match=" + v_match +
"&fid=" + param_escape(feed_id) + "&aid=" + param_escape(action_id), true);
xmlhttp.onreadystatechange=dlg_submit_callback;
xmlhttp.send(null);
regexp.value = "";
}
}
function displayDlg(id, param) {
if (!xmlhttp_ready(xmlhttp)) {
printLockingError();
return
}
notify("");
xmlhttp.open("GET", "backend.php?op=dlg&id=" +
param_escape(id) + "&param=" + param_escape(param), true);
xmlhttp.onreadystatechange=dlg_display_callback;
xmlhttp.send(null);
disableHotkeys();
}
function closeDlg() {
var dlg = document.getElementById("userDlgShadow");
dlg.style.display = "none";
enableHotkeys();
}
function qfdDelete(feed_id) {
notify("Removing feed...");
if (!xmlhttp_ready(xmlhttp)) {
printLockingError();
return
}
// var feeds_doc = window.frames["feeds-frame"].document;
// feeds_doc.location.href = "backend.php?op=error&msg=Loading,%20please wait...";
_qfd_deleted_feed = feed_id;
xmlhttp.open("GET", "backend.php?op=pref-feeds&quiet=1&subop=remove&ids=" + feed_id);
xmlhttp.onreadystatechange=dlg_frefresh_callback;
xmlhttp.send(null);
}
function allFeedsMenuChange() {
var chooser = document.getElementById("allFeedsChooser");
var opname = chooser[chooser.selectedIndex].text;
chooser.selectedIndex = 0;
if (opname == "Update") {
scheduleFeedUpdate(true);
return;
}
if (opname == "Mark as read") {
catchupAllFeeds();
return;
}
if (opname == "Show only unread") {
toggleDispRead();
return;
}
}
function updateFeedTitle(t) {
active_title_text = t;
updateTitle();
}
function toggleDispRead() {
try {
if (!xmlhttp_ready(xmlhttp)) {
printLockingError();
return
}
var hide_read_feeds = (getCookie("ttrss_vf_hreadf") == 1);
hide_read_feeds = !hide_read_feeds;
var query = "backend.php?op=rpc&subop=setpref" +
"&key=HIDE_READ_FEEDS&value=" + param_escape(hide_read_feeds);
xmlhttp.open("GET", query);
xmlhttp.onreadystatechange=hide_unread_callback;
xmlhttp.send(null);
} catch (e) {
exception_error("toggleDispRead", e);
}
}
function debug(msg) {
var c = document.getElementById('debug_output');
if (c && c.style.display == "block") {
while (c.lastChild != 'undefined' && c.childNodes.length > 20) {
c.removeChild(c.lastChild);
}
var d = new Date();
var ts = leading_zero(d.getHours()) + ":" + leading_zero(d.getMinutes()) +
":" + leading_zero(d.getSeconds());
c.innerHTML = "<li>[" + ts + "] " + msg + "</li>" + c.innerHTML;
}
}