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tt-rss/feedlist.js

715 lines
15 KiB
JavaScript

var _feed_cur_page = 0;
var _infscroll_disable = 0;
var _infscroll_request_sent = 0;
var feed_under_pointer = undefined;
var mouse_is_down = false;
var mouse_y = 0;
var mouse_x = 0;
var resize_enabled = false;
var selection_disabled = false;
var counters_last_request = 0;
function toggle_sortable_feedlist(enabled) {
try {
if (enabled) {
Sortable.create('feedList', {onChange: feedlist_dragsorted, only: "feedCat"});
} else {
Sortable.destroy('feedList');
}
} catch (e) {
exception_error("toggle_sortable_feedlist", e);
}
}
function viewCategory(cat) {
viewfeed(cat, '', true);
return false;
}
function printFeedEntry(id, title, row_class, unread, icon) {
var tmp = "";
var fctr_class = "";
var feed_icon = "";
if (unread > 0) {
row_class += "Unread";
fctr_class = "feedCtrHasUnread";
} else {
fctr_class = "feedCtrNoUnread";
}
if (icon) {
feed_icon = "<img id='FIMG-"+id+"' src='" + icon + "'>";
} else {
feed_icon = "<img id='FIMG-"+id+"' src='images/blank_icon.gif'>";
}
var link = "<a title=\"FIXME\" id=\"FEEDL-"+id+"\""+
"href=\"javascript:viewfeed('"+id+"', '', false, '', false, 0);\">"+
title + "</a>";
tmp += "<li id='FEEDR-"+id+"' class="+row_class+">" + feed_icon +
"<span id=\"FEEDN-"+id+"\">" + link + "</span>";
tmp += " <span class='"+fctr_class+"' id=\"FEEDCTR-"+id+"\">" +
"(<span id=\"FEEDU-"+id+"\">"+unread+"</span>)</span>";
tmp += "</li>";
return tmp;
}
function render_feedlist(data) {
try {
var f = $("feeds-frame");
f.innerHTML = data;
// cache_invalidate("FEEDLIST");
// cache_inject("FEEDLIST", data, getInitParam("num_feeds"));
feedlist_init();
} catch (e) {
exception_error("render_feedlist", e);
}
}
function feedlist_callback2(transport) {
try {
debug("feedlist_callback2");
if (!transport_error_check(transport)) return;
render_feedlist(transport.responseText);
} catch (e) {
exception_error("feedlist_callback2", e);
}
}
function viewNextFeedPage() {
try {
//if (!getActiveFeedId()) return;
debug("viewNextFeedPage: calling viewfeed(), p: " + parseInt(_feed_cur_page+1));
viewfeed(getActiveFeedId(), undefined, activeFeedIsCat(), undefined,
undefined, parseInt(_feed_cur_page+1));
} catch (e) {
exception_error("viewNextFeedPage", e);
}
}
function viewfeed(feed, subop, is_cat, subop_param, skip_history, offset) {
try {
if (offline_mode) return viewfeed_offline(feed, subop, is_cat, subop_param,
skip_history, offset);
// if (!offset) page_offset = 0;
last_requested_article = 0;
//counters_last_request = 0;
if (feed == getActiveFeedId()) {
cache_invalidate("F:" + feed);
}
/* if (getInitParam("theme") == "" || getInitParam("theme") == "compact") {
if (getInitParam("hide_feedlist") == 1) {
Element.hide("feeds-holder");
}
} */
var force_nocache = false;
var page_offset = 0;
if (offset > 0) {
page_offset = offset;
} else {
page_offset = 0;
_feed_cur_page = 0;
_infscroll_disable = 0;
}
if (getActiveFeedId() != feed) {
_feed_cur_page = 0;
active_post_id = 0;
_infscroll_disable = 0;
}
if (page_offset != 0 && !subop) {
var date = new Date();
var timestamp = Math.round(date.getTime() / 1000);
debug("<b>" + _infscroll_request_sent + " : " + timestamp + "</b>");
if (_infscroll_request_sent && _infscroll_request_sent + 30 > timestamp) {
debug("infscroll request in progress, aborting");
return;
}
_infscroll_request_sent = timestamp;
}
enableHotkeys();
hideAuxDlg();
closeInfoBox();
Form.enable("main_toolbar_form");
var toolbar_form = document.forms["main_toolbar_form"];
var toolbar_query = Form.serialize("main_toolbar_form");
if (toolbar_form.query) {
if (toolbar_form.query.value != "") {
force_nocache = true;
}
toolbar_form.query.value = "";
}
var query = "backend.php?op=viewfeed&feed=" + feed + "&" +
toolbar_query + "&subop=" + param_escape(subop);
if ($("search_form")) {
var search_query = Form.serialize("search_form");
query = query + "&" + search_query;
$("search_form").query.value = "";
closeInfoBox(true);
force_nocache = true;
}
// debug("IS_CAT_STORED: " + activeFeedIsCat() + ", IS_CAT: " + is_cat);
if (subop == "MarkAllRead") {
catchup_local_feed(feed, is_cat);
var show_next_feed = getInitParam("on_catchup_show_next_feed") == "1";
if (show_next_feed) {
if (!activeFeedIsCat()) {
var feedlist = $('feedList');
var next_unread_feed = getRelativeFeedId(feedlist,
feed, "next", true);
if (!next_unread_feed) {
next_unread_feed = getRelativeFeedId(feedlist,
-3, "next", true);
}
if (next_unread_feed) {
query = query + "&nuf=" + param_escape(next_unread_feed);
//setActiveFeedId(next_unread_feed);
feed = next_unread_feed;
}
} else {
var next_unread_feed = getNextUnreadCat(feed);
/* we don't need to specify that our next feed is actually
a category, because we're in the is_cat mode by definition
already */
if (next_unread_feed && show_next_feed) {
query = query + "&nuf=" + param_escape(next_unread_feed);
feed = next_unread_feed;
}
}
}
}
if (is_cat) {
query = query + "&cat=1";
}
if (page_offset != 0) {
query = query + "&skip=" + page_offset;
// to prevent duplicate feed titles when showing grouped vfeeds
if (vgroup_last_feed) {
query = query + "&vgrlf=" + param_escape(vgroup_last_feed);
}
}
var date = new Date();
var timestamp = Math.round(date.getTime() / 1000);
query = query + "&ts=" + timestamp
disableContainerChildren("headlinesToolbar", false);
Form.enable("main_toolbar_form");
// for piggybacked counters
if (tagsAreDisplayed()) {
query = query + "&omode=lt";
} else {
query = query + "&omode=flc";
}
if (!async_counters_work) {
query = query + "&csync=true";
}
debug(query);
var container = $("headlinesInnerContainer");
/* if (container && page_offset == 0 && !isCdmMode()) {
new Effect.Fade(container, {duration: 1, to: 0.01,
queue: { position:'end', scope: 'FEEDL-' + feed, limit: 1 } } );
} */
var unread_ctr = -1;
if (!is_cat) unread_ctr = get_feed_unread(feed);
var cache_check = false;
if (unread_ctr != -1 && !page_offset && !force_nocache && !subop) {
var cache_prefix = "";
if (is_cat) {
cache_prefix = "C:";
} else {
cache_prefix = "F:";
}
cache_check = cache_check_param(cache_prefix + feed, unread_ctr);
debug("headline cache check: " + cache_check);
}
if (cache_check) {
var f = $("headlines-frame");
clean_feed_selections();
setActiveFeedId(feed, is_cat);
if (!is_cat) {
var feedr = $("FEEDR-" + feed);
if (feedr && !feedr.className.match("Selected")) {
feedr.className = feedr.className + "Selected";
}
} else {
var feedr = $("FCAT-" + feed_id);
if (feedr && !feedr.className.match("Selected")) {
feedr.className = feedr.className + "Selected";
}
}
f.innerHTML = cache_find_param(cache_prefix + feed, unread_ctr);
request_counters();
remove_splash();
} else {
if (!page_offset) {
var feedr;
if (is_cat) {
feedr = $('FCAP-' + feed);
} else {
feedr = $('FEEDR-' + feed);
}
if (feedr && !$('FLL-' + feed)) {
var img = $('FIMG-' + feed);
if (!is_cat && img) {
if (!img.src.match("indicator_white")) {
img.alt = img.src;
img.src = 'images/indicator_white.gif';
}
} else {
if (!$('FLL-' + feed)) {
var ll = document.createElement('img');
ll.src = 'images/indicator_tiny.gif';
ll.className = 'hlLoading';
ll.id = 'FLL-' + feed;
feedr.appendChild(ll);
}
}
}
}
new Ajax.Request(query, {
onComplete: function(transport) {
headlines_callback2(transport, page_offset);
} });
}
} catch (e) {
exception_error("viewfeed", e);
}
}
function toggleCollapseCat_af(effect) {
//var caption = elem.id.replace("FCATLIST-", "");
try {
var elem = effect.element;
var cat = elem.id.replace("FCATLIST-", "");
var cap = $("FCAP-" + cat);
if (Element.visible(elem)) {
cap.innerHTML = cap.innerHTML.replace("…", "");
} else {
if (cap.innerHTML.lastIndexOf("…") != cap.innerHTML.length-3) {
cap.innerHTML = cap.innerHTML + "…";
}
}
} catch (e) {
exception_error("toggleCollapseCat_af", e);
}
}
function toggleCollapseCat(cat) {
try {
var cat_elem = $("FCAT-" + cat);
var cat_list = $("FCATLIST-" + cat).parentNode;
var caption = $("FCAP-" + cat);
Effect.toggle('FCATLIST-' + cat, 'blind', { duration: 0.5,
afterFinish: toggleCollapseCat_af });
new Ajax.Request("backend.php?op=feeds&subop=collapse&cid=" +
param_escape(cat));
local_collapse_cat(cat);
} catch (e) {
exception_error("toggleCollapseCat", e);
}
}
function feedlist_dragsorted(ctr) {
try {
var elem = $("feedList");
var cats = elem.getElementsByTagName("LI");
var ordered_cats = new Array();
for (var i = 0; i < cats.length; i++) {
if (cats[i].id && cats[i].id.match("FCAT-")) {
ordered_cats.push(cats[i].id.replace("FCAT-", ""));
}
}
if (ordered_cats.length > 0) {
var query = "backend.php?op=feeds&subop=catsort&corder=" +
param_escape(ordered_cats.toString());
debug(query);
new Ajax.Request(query);
}
} catch (e) {
exception_error("feedlist_dragsorted", e);
}
}
function feedlist_init() {
try {
// if (arguments.callee.done) return;
// arguments.callee.done = true;
loading_set_progress(90);
debug("in feedlist init");
hideOrShowFeeds(getInitParam("hide_read_feeds") == 1);
document.onkeydown = hotkey_handler;
document.onmousemove = mouse_move_handler;
document.onmousedown = mouse_down_handler;
document.onmouseup = mouse_up_handler;
if (!offline_mode) setTimeout("timeout()", 1);
setTimeout("hotkey_prefix_timeout()", 5*1000);
if (typeof correctPNG != 'undefined') {
correctPNG();
}
if (getActiveFeedId()) {
//debug("some feed is open on feedlist refresh, reloading");
//setTimeout("viewCurrentFeed()", 100);
} else {
if (getInitParam("cdm_auto_catchup") != 1 && get_feed_unread(-3) > 0) {
notify_silent_next();
setTimeout("viewfeed(-3)", 100);
} else {
remove_splash();
}
}
if (getInitParam("theme") == "") {
setTimeout("hide_footer()", 5000);
}
init_collapsable_feedlist(getInitParam("theme"));
toggle_sortable_feedlist(isFeedlistSortable());
} catch (e) {
exception_error("feedlist/init", e);
}
}
function hide_footer_af(effect) {
try {
var c = $("content-frame");
if (c) {
c.style.bottom = "0px";
var ioa = $("inline_orig_article");
if (ioa) {
ioa.height = c.offsetHeight;
}
} else {
var h = $("headlines-frame");
if (h) {
h.style.bottom = "0px";
}
}
} catch (e) {
exception_error("hide_footer_af", e);
}
}
function hide_footer() {
try {
if (Element.visible("footer")) {
new Effect.Fade("footer", { afterFinish: hide_footer_af });
}
} catch (e) {
exception_error("hide_footer", e);
}
}
/*
function init_hidden_feedlist(theme) {
try {
debug("init_hidden_feedlist");
if (theme != "" && theme != "compact") return;
var fl = $("feeds-holder");
var fh = $("headlines-frame");
var fc = $("content-frame");
var ft = $("toolbar");
var ff = $("footer");
var fhdr = $("header");
var fbtn = $("toggle_feeds_btn");
if (fbtn) Element.show(fbtn);
fl.style.top = fh.offsetTop + "px";
fl.style.backgroundColor = "white"; //FIXME
Element.hide(fl);
fh.style.left = "0px";
ft.style.left = "0px";
if (fc) fc.style.left = "0px";
if (ff) ff.style.left = "0px";
if (theme == "compact") {
fhdr.style.left = "10px";
fl.style.top = (fh.offsetTop + 1) + "px";
}
} catch (e) {
exception_error("init_hidden_feedlist", e);
}
} */
function init_collapsable_feedlist(theme) {
try {
debug("init_collapsable_feedlist");
if (theme != "" && theme != "compact" && theme != "graycube" &&
theme != "compat") return;
var fbtn = $("collapse_feeds_btn");
if (fbtn) Element.show(fbtn);
if (getInitParam("collapsed_feedlist") == 1) {
collapse_feedlist();
}
} catch (e) {
exception_error("init_hidden_feedlist", e);
}
}
function mouse_move_handler(e) {
try {
var client_y;
var client_x;
if (window.event) {
client_y = window.event.clientY;
client_x = window.event.clientX;
} else if (e) {
client_x = e.screenX;
client_y = e.screenY;
}
if (mouse_is_down) {
if (mouse_y == 0) mouse_y = client_y;
if (mouse_x == 0) mouse_x = client_x;
resize_headlines(mouse_x - client_x, mouse_y - client_y);
mouse_y = client_y;
mouse_x = client_x;
return false;
}
} catch (e) {
exception_error("mouse_move_handler", e);
}
}
function enable_selection(b) {
selection_disabled = !b;
}
function enable_resize(b) {
resize_enabled = b;
}
function mouse_down_handler(e) {
try {
/* do not prevent right click */
if (e && e.button && e.button == 2) return;
if (resize_enabled) {
mouse_is_down = true;
mouse_x = 0;
mouse_y = 0;
document.onselectstart = function() { return false; };
return false;
}
if (selection_disabled) {
document.onselectstart = function() { return false; };
return false;
}
} catch (e) {
exception_error("mouse_down_handler", e);
}
}
function mouse_up_handler(e) {
try {
mouse_is_down = false;
if (!selection_disabled) {
document.onselectstart = null;
var e = $("headlineActionsBody");
if (e) Element.hide(e);
var e = $("offlineModeDrop");
if (e) Element.hide(e);
}
} catch (e) {
exception_error("mouse_up_handler", e);
}
}
function request_counters_real() {
try {
if (offline_mode) return;
debug("requesting counters...");
var query = "backend.php?op=rpc&subop=getAllCounters";
if (tagsAreDisplayed()) {
query = query + "&omode=tl";
} else {
query = query + "&omode=flc";
}
new Ajax.Request(query, {
onComplete: function(transport) {
try {
all_counters_callback2(transport, true);
} catch (e) {
exception_error("viewfeed/getcounters", e);
}
} });
} catch (e) {
exception_error("request_counters_real", e);
}
}
function request_counters() {
try {
if (getInitParam("bw_limit") == "1") return;
var date = new Date();
var timestamp = Math.round(date.getTime() / 1000);
// if (getInitParam("sync_counters") == "1" ||
// timestamp - counters_last_request > 10) {
if (timestamp - counters_last_request > 15) {
debug("scheduling request of counters...");
window.setTimeout("request_counters_real()", 1000);
counters_last_request = timestamp;
} else {
debug("request_counters: rate limit reached: " + (timestamp - counters_last_request));
}
} catch (e) {
exception_error("request_counters", e);
}
}