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tt-rss/tt-rss.js

733 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 daemon_refresh_only = false;
var _qfd_deleted_feed = 0;
var firsttime_update = true;
var last_refetch = 0;
var cookie_lifetime = 0;
var active_feed_id = 0;
var active_feed_is_cat = false;
var number_of_feeds = 0;
var xmlhttp = Ajax.getTransport();
var xmlhttp_ctr = Ajax.getTransport();
var init_params = new Object();
var op_history = new Array();
function tagsAreDisplayed() {
return display_tags;
}
function toggleTags() {
display_tags = !display_tags;
var p = document.getElementById("dispSwitchPrompt");
if (display_tags) {
p.innerHTML = __("display feeds");
} else {
p.innerHTML = __("display tags");
}
notify_progress("Loading, please wait...");
updateFeedList();
}
function dlg_frefresh_callback() {
if (xmlhttp.readyState == 4) {
// notify(xmlhttp.responseText);
if (getActiveFeedId() == _qfd_deleted_feed) {
var h = document.getElementById("headlines-frame");
if (h) {
h.innerHTML = "<div class='whiteBox'>No feed selected.</div>";
}
}
setTimeout('updateFeedList(false, false)', 50);
closeInfoBox();
}
}
function refetch_callback() {
if (xmlhttp_ctr.readyState == 4) {
try {
var date = new Date();
last_refetch = date.getTime() / 1000;
parse_counters_reply(xmlhttp_ctr, true);
debug("refetch_callback: done");
if (!daemon_enabled && !daemon_refresh_only) {
notify_info("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, Received reply is not XML]: " + xmlhttp.responseText);
return;
}
var reply = xmlhttp.responseXML.firstChild.firstChild;
if (!reply) {
fatalError(3, "[D002, Invalid RPC reply]: " + xmlhttp.responseText);
return;
}
var error_code = reply.getAttribute("error-code");
if (error_code && error_code != 0) {
return fatalError(error_code, reply.getAttribute("error-msg"));
}
debug("sanity check ok");
var params = reply.nextSibling;
if (params) {
debug('reading init-params...');
var param = params.firstChild;
while (param) {
var k = param.getAttribute("key");
var v = param.getAttribute("value");
debug(k + " => " + v);
init_params[k] = v;
param = param.nextSibling;
}
}
init_second_stage();
} catch (e) {
exception_error("backend_sanity_check_callback", e);
}
}
}
function scheduleFeedUpdate(force) {
if (!daemon_enabled && !daemon_refresh_only) {
notify_progress("Updating feeds, please wait.", true);
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 = "tl";
} else {
omode = "flc";
}
}
query_str = query_str + "&omode=" + omode;
query_str = query_str + "&uctr=" + global_unread;
debug("in scheduleFeedUpdate");
var date = new Date();
var timestamp = Math.round(date.getTime() / 1000);
query_str = query_str + "&ts=" + timestamp
if (!xmlhttp_ready(xmlhttp_ctr) && last_refetch < date.getTime() / 1000 - 60) {
debug("<b>xmlhttp seems to be stuck, aborting</b>");
xmlhttp_ctr.abort();
}
debug("REFETCH query: " + query_str);
if (xmlhttp_ready(xmlhttp_ctr)) {
xmlhttp_ctr.open("GET", query_str, true);
xmlhttp_ctr.onreadystatechange=refetch_callback;
xmlhttp_ctr.send(null);
} else {
debug("xmlhttp_ctr busy");
//printLockingError();
}
}
function updateFeedList(silent, fetch) {
// if (silent != true) {
// notify("Loading feed list...");
// }
debug("<b>updateFeedList</b>");
var query_str = "backend.php?op=feeds";
if (display_tags) {
query_str = query_str + "&tags=1";
}
if (getActiveFeedId() && !activeFeedIsCat()) {
query_str = query_str + "&actid=" + getActiveFeedId();
}
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;
debug("updateFeedList Q=" + query_str);
if (xmlhttp_ready(xmlhttp)) {
xmlhttp.open("GET", query_str, true);
xmlhttp.onreadystatechange=feedlist_callback;
xmlhttp.send(null);
} else {
debug("xmlhttp busy");
//printLockingError();
}
}
function catchupAllFeeds() {
var query_str = "backend.php?op=feeds&subop=catchupAll";
notify_progress("Marking all feeds as read...");
debug("catchupAllFeeds Q=" + query_str);
if (xmlhttp_ready(xmlhttp)) {
xmlhttp.open("GET", query_str, true);
xmlhttp.onreadystatechange=feedlist_callback;
xmlhttp.send(null);
} else {
debug("xmlhttp busy");
//printLockingError();
}
global_unread = 0;
updateTitle("");
}
function viewCurrentFeed(subop) {
// if (getActiveFeedId()) {
if (getActiveFeedId() != undefined) {
viewfeed(getActiveFeedId(), subop);
} else {
disableContainerChildren("headlinesToolbar", false, document);
// viewfeed(-1, subop); // FIXME
}
return false; // block unneeded form submits
}
function viewfeed(feed, subop) {
var f = window.frames["feeds-frame"];
f.viewfeed(feed, subop);
}
function timeout() {
scheduleFeedUpdate(false);
var refresh_time = getInitParam("feeds_frame_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(), "");
}
}
function searchCancel() {
closeInfoBox(true);
}
function search() {
closeInfoBox();
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);
}
}
}
// 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);
Form.disable("main_toolbar_form");
if (!genericSanityCheck())
return;
if (getURLParam('debug')) {
document.getElementById('debug_output').style.display = 'block';
debug('debug mode activated');
}
var params = "&ua=" + param_escape(navigator.userAgent);
xmlhttp.open("GET", "backend.php?op=rpc&subop=sanityCheck" + params, true);
xmlhttp.onreadystatechange=backend_sanity_check_callback;
xmlhttp.send(null);
} catch (e) {
exception_error("init", e);
}
}
function init_second_stage() {
try {
cookie_lifetime = getCookie("ttrss_cltime");
delCookie("ttrss_vf_test");
document.onkeydown = hotkey_handler;
var tb = parent.document.forms["main_toolbar_form"];
dropboxSelect(tb.view_mode, getInitParam("toolbar_view_mode"));
dropboxSelect(tb.limit, getInitParam("toolbar_limit"));
daemon_enabled = getInitParam("daemon_enabled") == 1;
daemon_refresh_only = getInitParam("daemon_refresh_only") == 1;
setTimeout('updateFeedList(false, false)', 50);
debug("second stage ok");
} catch (e) {
exception_error("init_second_stage", e);
}
}
function quickMenuChange() {
var chooser = document.getElementById("quickMenuChooser");
var opid = chooser[chooser.selectedIndex].value;
chooser.selectedIndex = 0;
quickMenuGo(opid);
}
function quickMenuGo(opid) {
try {
if (opid == "qmcPrefs") {
gotoPreferences();
}
if (opid == "qmcSearch") {
displayDlg("search", getActiveFeedId() + ":" + activeFeedIsCat());
return;
}
if (opid == "qmcAddFeed") {
displayDlg("quickAddFeed");
return;
}
if (opid == "qmcEditFeed") {
editFeedDlg(getActiveFeedId());
}
if (opid == "qmcRemoveFeed") {
var actid = getActiveFeedId();
if (!actid || activeFeedIsCat()) {
alert("Please select some feed first.");
return;
}
var fn = getFeedName(actid);
if (confirm("Unsubscribe from " + fn + "?")) {
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());
}
} catch (e) {
exception_error("quickMenuGo", e);
}
}
function qfdDelete(feed_id) {
notify_progress("Removing feed...");
if (!xmlhttp_ready(xmlhttp)) {
printLockingError();
return
}
_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);
return false;
}
function updateFeedTitle(t) {
active_title_text = t;
updateTitle();
}
function toggleDispRead() {
try {
if (!xmlhttp_ready(xmlhttp)) {
printLockingError();
return
}
var hide_read_feeds = (getInitParam("hide_read_feeds") == "1");
hide_read_feeds = !hide_read_feeds;
debug("toggle_disp_read => " + hide_read_feeds);
hideOrShowFeeds(getFeedsContext().document, hide_read_feeds);
var query = "backend.php?op=rpc&subop=setpref" +
"&key=HIDE_READ_FEEDS&value=" + param_escape(hide_read_feeds);
storeInitParam("hide_read_feeds", hide_read_feeds, true);
new Ajax.Request(query);
} catch (e) {
exception_error("toggleDispRead", e);
}
}
function parse_runtime_info(elem) {
if (!elem) {
debug("parse_runtime_info: elem is null, aborting");
return;
}
var param = elem.firstChild;
debug("parse_runtime_info: " + param);
while (param) {
var k = param.getAttribute("key");
var v = param.getAttribute("value");
debug("RI: " + k + " => " + v);
if (k == "new_version_available") {
var icon = document.getElementById("newVersionIcon");
if (icon) {
if (v == "1") {
icon.style.display = "inline";
} else {
icon.style.display = "none";
}
}
}
if (k == "daemon_is_running" && v != 1) {
notify_error("<span onclick=\"javascript:explainError(1)\">Update daemon is not runing.</span>");
}
/* var w = document.getElementById("noDaemonWarning");
if (w) {
if (k == "daemon_is_running" && v != 1) {
w.style.display = "block";
} else {
w.style.display = "none";
}
} */
param = param.nextSibling;
}
}
function catchupCurrentFeed() {
var fn = getFeedName(getActiveFeedId(), active_feed_is_cat);
var str = "Mark all articles in " + fn + " as read?";
/* if (active_feed_is_cat) {
str = "Mark all articles in this category as read?";
} */
if (getInitParam("confirm_feed_catchup") != 1 || confirm(str)) {
return viewCurrentFeed('MarkAllRead')
}
}
function userSwitch() {
var chooser = document.getElementById("userSwitch");
var user = chooser[chooser.selectedIndex].value;
window.location = "tt-rss.php?swu=" + user;
}
function editFeedDlg(feed) {
disableHotkeys();
if (!feed) {
alert("Please select some feed first.");
return;
}
if (feed <= 0 || active_feed_is_cat || tagsAreDisplayed()) {
alert("You can't edit this kind of feed.");
return;
}
if (xmlhttp_ready(xmlhttp)) {
xmlhttp.open("GET", "backend.php?op=pref-feeds&subop=editfeed&id=" +
param_escape(feed), true);
xmlhttp.onreadystatechange=infobox_callback;
xmlhttp.send(null);
} else {
printLockingError();
}
}
/* this functions duplicate those of prefs.js feed editor, with
some differences because there is no feedlist */
function feedEditCancel() {
closeInfoBox();
return false;
}
function feedEditSave() {
try {
if (!xmlhttp_ready(xmlhttp)) {
printLockingError();
return
}
// FIXME: add parameter validation
var query = Form.serialize("edit_feed_form");
notify_progress("Saving feed...");
xmlhttp.open("POST", "backend.php", true);
xmlhttp.onreadystatechange=dlg_frefresh_callback;
xmlhttp.setRequestHeader('Content-Type', 'application/x-www-form-urlencoded');
xmlhttp.send(query);
closeInfoBox();
return false;
} catch (e) {
exception_error("feedEditSave (main)", e);
}
}
function localHotkeyHandler(e) {
var keycode;
if (window.event) {
keycode = window.event.keyCode;
} else if (e) {
keycode = e.which;
}
var shift_key = false;
try {
shift_key = e.shiftKey;
} catch (e) { }
if (keycode == 66 && shift_key) { // shift-B
var op = history_pop();
if (op) {
var op_s = op.split(":");
var i;
for (i = 0; i < op_s.length; i++) {
if (op_s[i] == 'undefined') {
op_s[i] = undefined;
}
if (op_s[i] == 'false') {
op_s[i] = false;
}
if (op_s[i] == 'true') {
op_s[i] = true;
}
}
debug("history split: " + op_s);
if (op_s[0] == "ARTICLE") {
debug("history: reverting to article " + op_s[1] + "/" + op_s[2]);
view(op_s[1], op_s[2], true);
}
if (op_s[0] == "FEED") {
viewfeed(op_s[1], op_s[2], op_s[3], op_s[4], true);
}
} else {
notify_error("No operation to undo");
}
return false;
}
debug("LKP=" + keycode);
}
function history_push(op) {
debug("history_push: " + op);
op_history.push(op);
while (op_history.length > 30) {
op_history.shift();
}
}
function history_pop() {
var op = op_history.pop();
debug("history_pop: " + op);
return op;
}
function history_clear() {
debug("history_clear");
op_history.clear();
}