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tt-rss/tt-rss.js

542 lines
10 KiB
JavaScript

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/*
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;
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var total_unread = 0;
var first_run = true;
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var display_tags = false;
var global_unread = 0;
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/*@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() {
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if (xmlhttp.readyState == 4) {
updateFeedList(false, false);
closeDlg();
}
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}
function dialog_refresh_callback() {
if (xmlhttp.readyState == 4) {
var dlg = document.getElementById("userDlg");
dlg.innerHTML = xmlhttp.responseText;
dlg.style.display = "block";
}
}
function refetch_callback() {
if (xmlhttp.readyState == 4) {
// document.title = "Tiny Tiny RSS";
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");
return;
}
var f_document = window.frames["feeds-frame"].document;
for (var l = 0; l < reply.childNodes.length; l++) {
var id = reply.childNodes[l].getAttribute("id");
var ctr = reply.childNodes[l].getAttribute("counter");
var feedctr = f_document.getElementById("FEEDCTR-" + id);
var feedu = f_document.getElementById("FEEDU-" + id);
var feedr = f_document.getElementById("FEEDR-" + id);
/* TODO figure out how to update this from viewfeed.js->view()
disabled for now...
if (id == "global-unread") {
global_unread = ctr;
} */
if (feedctr && feedu && feedr) {
feedu.innerHTML = ctr;
if (ctr > 0) {
feedctr.className = "odd";
if (!feedr.className.match("Unread")) {
feedr.className = feedr.className + "Unread";
}
} else {
feedctr.className = "invisible";
feedr.className = feedr.className.replace("Unread", "");
}
}
}
updateTitle("");
notify("All feeds updated.");
}
}
function backend_sanity_check_callback() {
if (xmlhttp.readyState == 4) {
if (!xmlhttp.responseXML) {
fatalError(3);
return;
}
var reply = xmlhttp.responseXML.firstChild;
if (!reply) {
fatalError(3);
return;
}
var error_code = reply.getAttribute("code");
if (error_code && error_code != 0) {
return fatalError(error_code);
}
init_second_stage();
}
}
function updateFeed(feed_id) {
var query_str = "backend.php?op=rpc&subop=updateFeed&feed=" + feed_id;
if (xmlhttp_ready(xmlhttp)) {
xmlhttp.open("GET", query_str, true);
xmlhttp.onreadystatechange=feed_update_callback;
xmlhttp.send(null);
} else {
printLockingError();
}
}
function scheduleFeedUpdate(force) {
notify("Updating feeds in background...");
// document.title = "Tiny Tiny RSS - Updating...";
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 (display_tags) {
omode = "t";
} else {
omode = "fl";
}
query_str = query_str + "&omode=" + omode;
if (xmlhttp_ready(xmlhttp)) {
xmlhttp.open("GET", query_str, true);
xmlhttp.onreadystatechange=refetch_callback;
xmlhttp.send(null);
} else {
printLockingError();
}
}
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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 (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();
}
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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);
setTimeout("timeout()", 1800*1000);
}
function resetSearch() {
var searchbox = document.getElementById("searchbox")
if (searchbox.value != "" && getActiveFeedId()) {
searchbox.value = "";
viewfeed(getActiveFeedId(), 0, "");
}
}
function search() {
viewCurrentFeed(0, "");
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}
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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 == 78) {
return moveToPost('next');
}
if (keycode == 80) {
return moveToPost('prev');
} */
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if (keycode == 82) { // r
return scheduleFeedUpdate(true);
}
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if (keycode == 85) { // u
if (getActiveFeedId()) {
return viewfeed(getActiveFeedId(), 0, "ForceUpdate");
}
}
if (keycode == 65) { // a
return toggleDispRead();
}
// notify("KC: " + keycode);
}
function updateTitle(s) {
var tmp = "Tiny Tiny RSS";
if (global_unread > 0) {
tmp = tmp + " (" + global_unread + ")";
}
if (s) {
tmp = tmp + " - " + s;
}
document.title = tmp;
}
function genericSanityCheck() {
if (!xmlhttp) fatalError(1);
setCookie("ttrss_vf_test", "TEST");
if (getCookie("ttrss_vf_test") != "TEST") {
fatalError(2);
}
/* if (!xmlhttp) {
document.getElementById("headlines").innerHTML =
"<b>Fatal error:</b> This program requires XmlHttpRequest " +
"to function properly. Your browser doesn't seem to support it.";
return false;
}
setCookie("ttrss_vf_test", "TEST");
if (getCookie("ttrss_vf_test") != "TEST") {
document.getElementById("headlines").innerHTML =
"<b>Fatal error:</b> This program requires cookies " +
"to function properly. Your browser doesn't seem to support them.";
return false;
} */
return true;
}
function init() {
disableContainerChildren("headlinesToolbar", true);
if (!genericSanityCheck())
return;
xmlhttp.open("GET", "backend.php?op=rpc&subop=sanityCheck", true);
xmlhttp.onreadystatechange=backend_sanity_check_callback;
xmlhttp.send(null);
}
function init_second_stage() {
setCookie("ttrss_vf_actfeed", "");
updateFeedList(false, false);
document.onkeydown = hotkey_handler;
var content = document.getElementById("content");
if (getCookie("ttrss_vf_vmode")) {
var viewbox = document.getElementById("viewbox");
viewbox.value = getCookie("ttrss_vf_vmode");
}
if (getCookie("ttrss_vf_limit")) {
var limitbox = document.getElementById("limitbox");
limitbox.value = getCookie("ttrss_vf_limit");
}
// if (getCookie("ttrss_vf_actfeed")) {
// viewfeed(getCookie("ttrss_vf_actfeed"), 0, '');
// }
// setTimeout("timeout()", 2*1000);
// scheduleFeedUpdate(true);
var splash = document.getElementById("splash");
if (splash) {
splash.style.display = "none";
}
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}
function quickMenuGo() {
var chooser = document.getElementById("quickMenuChooser");
var opid = chooser[chooser.selectedIndex].id;
if (opid == "qmcPrefs") {
gotoPreferences();
}
if (opid == "qmcAdvSearch") {
displayDlg("search");
return;
}
if (opid == "qmcAddFeed") {
displayDlg("quickAddFeed");
return;
}
if (opid == "qmcRemoveFeed") {
var actid = getActiveFeedId();
if (!actid) {
notify("Please select some feed first.");
return;
}
displayDlg("quickDelFeed", actid);
return;
}
if (opid == "qmcUpdateFeeds") {
scheduleFeedUpdate(true);
return;
}
if (opid == "qmcCatchupAll") {
catchupAllFeeds();
return;
}
if (opid == "qmcShowOnlyUnread") {
toggleDispRead();
return;
}
}
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 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&subop=add&link=" +
param_escape(link.value), true);
xmlhttp.onreadystatechange=dlg_frefresh_callback;
xmlhttp.send(null);
link.value = "";
}
}
function displayDlg(id, param) {
notify("");
xmlhttp.open("GET", "backend.php?op=dlg&id=" +
param_escape(id) + "&param=" + param_escape(param), true);
xmlhttp.onreadystatechange=dialog_refresh_callback;
xmlhttp.send(null);
}
function closeDlg() {
var dlg = document.getElementById("userDlg");
dlg.style.display = "none";
}
function qfdDelete(feed_id) {
notify("Removing feed...");
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&subop=remove&ids=" + feed_id);
xmlhttp.onreadystatechange=dlg_frefresh_callback;
xmlhttp.send(null);
}
function allFeedsMenuGo() {
var chooser = document.getElementById("allFeedsChooser");
var opname = chooser[chooser.selectedIndex].text;
if (opname == "Update") {
scheduleFeedUpdate(true);
return;
}
if (opname == "Mark as read") {
catchupAllFeeds();
return;
}
if (opname == "Show only read") {
toggleDispRead();
return;
}
}
function toggleDispRead() {
var hide_read_feeds = (getCookie("ttrss_vf_hreadf") == 1);
hide_read_feeds = !hide_read_feeds;
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);
}
}