ttrss/js/viewfeed.js

1779 lines
41 KiB
JavaScript
Executable File

/* global dijit, __ */
let _active_article_id = 0;
let vgroup_last_feed = false;
let post_under_pointer = false;
let last_requested_article = 0;
let catchup_id_batch = [];
let catchup_timeout_id = false;
let cids_requested = [];
let loaded_article_ids = [];
let _last_headlines_update = 0;
let _headlines_scroll_offset = 0;
let current_first_id = 0;
let last_search_query;
let _catchup_request_sent = false;
let has_storage = 'sessionStorage' in window && window['sessionStorage'] !== null;
function headlines_callback2(transport, offset, background, infscroll_req) {
const reply = handle_rpc_json(transport);
console.log("headlines_callback2 [offset=" + offset + "] B:" + background + " I:" + infscroll_req);
if (background)
return;
var is_cat = false;
var feed_id = false;
if (reply) {
is_cat = reply['headlines']['is_cat'];
feed_id = reply['headlines']['id'];
last_search_query = reply['headlines']['search_query'];
if (feed_id != -7 && (feed_id != getActiveFeedId() || is_cat != activeFeedIsCat()))
return;
try {
if (infscroll_req == false) {
$("headlines-frame").scrollTop = 0;
$("floatingTitle").style.visibility = "hidden";
$("floatingTitle").setAttribute("data-article-id", 0);
$("floatingTitle").innerHTML = "";
}
} catch (e) { }
$("headlines-frame").removeClassName("cdm");
$("headlines-frame").removeClassName("normal");
$("headlines-frame").addClassName(isCdmMode() ? "cdm" : "normal");
const headlines_count = reply['headlines-info']['count'];
vgroup_last_feed = reply['headlines-info']['vgroup_last_feed'];
if (parseInt(headlines_count) < 30) {
_infscroll_disable = 1;
} else {
_infscroll_disable = 0;
}
current_first_id = reply['headlines']['first_id'];
const counters = reply['counters'];
const articles = reply['articles'];
if (infscroll_req == false) {
loaded_article_ids = [];
dojo.html.set($("headlines-toolbar"),
reply['headlines']['toolbar'],
{parseContent: true});
$("headlines-frame").innerHTML = '';
let tmp = document.createElement("div");
tmp.innerHTML = reply['headlines']['content'];
dojo.parser.parse(tmp);
while (tmp.hasChildNodes()) {
var row = tmp.removeChild(tmp.firstChild);
if (loaded_article_ids.indexOf(row.id) == -1 || row.hasClassName("feed-title")) {
dijit.byId("headlines-frame").domNode.appendChild(row);
loaded_article_ids.push(row.id);
}
}
let hsp = $("headlines-spacer");
if (!hsp) hsp = new Element("DIV", {"id": "headlines-spacer"});
dijit.byId('headlines-frame').domNode.appendChild(hsp);
initHeadlinesMenu();
if (_infscroll_disable)
hsp.innerHTML = "<a href='#' onclick='openNextUnreadFeed()'>" +
__("Click to open next unread feed.") + "</a>";
if (_search_query) {
$("feed_title").innerHTML += "<span id='cancel_search'>" +
" (<a href='#' onclick='cancelSearch()'>" + __("Cancel search") + "</a>)" +
"</span>";
}
} else if (headlines_count > 0 && feed_id == getActiveFeedId() && is_cat == activeFeedIsCat()) {
console.log("adding some more headlines: " + headlines_count);
const c = dijit.byId("headlines-frame");
const ids = getSelectedArticleIds2();
let hsp = $("headlines-spacer");
if (hsp)
c.domNode.removeChild(hsp);
let tmp = document.createElement("div");
tmp.innerHTML = reply['headlines']['content'];
dojo.parser.parse(tmp);
while (tmp.hasChildNodes()) {
let row = tmp.removeChild(tmp.firstChild);
if (loaded_article_ids.indexOf(row.id) == -1 || row.hasClassName("feed-title")) {
dijit.byId("headlines-frame").domNode.appendChild(row);
loaded_article_ids.push(row.id);
}
}
if (!hsp) hsp = new Element("DIV", {"id": "headlines-spacer"});
c.domNode.appendChild(hsp);
if (headlines_count < 30) _infscroll_disable = true;
console.log("restore selected ids: " + ids);
for (let i = 0; i < ids.length; i++) {
markHeadline(ids[i]);
}
initHeadlinesMenu();
if (_infscroll_disable) {
hsp.innerHTML = "<a href='#' onclick='openNextUnreadFeed()'>" +
__("Click to open next unread feed.") + "</a>";
}
} else {
console.log("no new headlines received");
const first_id_changed = reply['headlines']['first_id_changed'];
console.log("first id changed:" + first_id_changed);
let hsp = $("headlines-spacer");
if (hsp) {
if (first_id_changed) {
hsp.innerHTML = "<a href='#' onclick='viewCurrentFeed()'>" +
__("New articles found, reload feed to continue.") + "</a>";
} else {
hsp.innerHTML = "<a href='#' onclick='openNextUnreadFeed()'>" +
__("Click to open next unread feed.") + "</a>";
}
}
}
if (articles) {
for (let i = 0; i < articles.length; i++) {
const a_id = articles[i]['id'];
cache_set("article:" + a_id, articles[i]['content']);
}
} else {
console.log("no cached articles received");
}
if (counters)
parse_counters(counters);
else
request_counters();
} else {
console.error("Invalid object received: " + transport.responseText);
dijit.byId("headlines-frame").attr('content', "<div class='whiteBox'>" +
__('Could not update headlines (invalid object received - see error console for details)') +
"</div>");
}
_infscroll_request_sent = 0;
_last_headlines_update = new Date().getTime();
unpackVisibleHeadlines();
// if we have some more space in the buffer, why not try to fill it
if (!_infscroll_disable && $("headlines-spacer") &&
$("headlines-spacer").offsetTop < $("headlines-frame").offsetHeight) {
window.setTimeout(function() {
loadMoreHeadlines();
}, 250);
}
notify("");
}
function render_article(article) {
cleanup_memory("content-insert");
dijit.byId("headlines-wrap-inner").addChild(
dijit.byId("content-insert"));
const c = dijit.byId("content-insert");
try {
c.domNode.scrollTop = 0;
} catch (e) { }
c.attr('content', article);
PluginHost.run(PluginHost.HOOK_ARTICLE_RENDERED, c.domNode);
correctHeadlinesOffset(getActiveArticleId());
try {
c.focus();
} catch (e) { }
}
function showArticleInHeadlines(id, noexpand) {
const row = $("RROW-" + id);
if (!row) return;
if (!noexpand)
row.removeClassName("Unread");
row.addClassName("active");
selectArticles('none');
markHeadline(id);
}
function article_callback2(transport, id) {
console.log("article_callback2 " + id);
const reply = handle_rpc_json(transport);
if (reply) {
reply.each(function(article) {
if (getActiveArticleId() == article['id']) {
render_article(article['content']);
}
cids_requested.remove(article['id']);
cache_set("article:" + article['id'], article['content']);
});
} else {
console.error("Invalid object received: " + transport.responseText);
render_article("<div class='whiteBox'>" +
__('Could not display article (invalid object received - see error console for details)') + "</div>");
}
const unread_in_buffer = $$("#headlines-frame > div[id*=RROW][class*=Unread]").length;
request_counters(unread_in_buffer == 0);
notify("");
}
function view(id, activefeed, noexpand) {
const oldrow = $("RROW-" + getActiveArticleId());
if (oldrow) oldrow.removeClassName("active");
const crow = $("RROW-" + id);
if (!crow) return;
if (noexpand) {
setActiveArticleId(id);
showArticleInHeadlines(id, noexpand);
return;
}
console.log("loading article: " + id);
const cached_article = cache_get("article:" + id);
console.log("cache check result: " + (cached_article != false));
const query = {op: "article", method: "view", id: id};
const neighbor_ids = getRelativePostIds(id);
/* only request uncached articles */
const cids_to_request = [];
for (let i = 0; i < neighbor_ids.length; i++) {
if (cids_requested.indexOf(neighbor_ids[i]) == -1)
if (!cache_get("article:" + neighbor_ids[i])) {
cids_to_request.push(neighbor_ids[i]);
cids_requested.push(neighbor_ids[i]);
}
}
console.log("additional ids: " + cids_to_request.toString());
query.cids = cids_to_request.toString();
const article_is_unread = crow.hasClassName("Unread");
setActiveArticleId(id);
showArticleInHeadlines(id);
if (cached_article && article_is_unread) {
query.mode = "prefetch";
render_article(cached_article);
} else if (cached_article) {
query.mode = "prefetch_old";
render_article(cached_article);
// if we don't need to request any relative ids, we might as well skip
// the server roundtrip altogether
if (cids_to_request.length == 0) {
return;
}
}
last_requested_article = id;
console.log(query);
if (article_is_unread) {
decrementFeedCounter(getActiveFeedId(), activeFeedIsCat());
}
xhrPost("backend.php", query, (transport) => {
article_callback2(transport, id);
})
return false;
}
function toggleMark(id, client_only) {
const query = { op: "rpc", id: id, method: "mark" };
const row = $("RROW-" + id);
if (!row) return;
const imgs = [];
const row_imgs = row.getElementsByClassName("markedPic");
for (let i = 0; i < row_imgs.length; i++)
imgs.push(row_imgs[i]);
const ft = $("floatingTitle");
if (ft && ft.getAttribute("data-article-id") == id) {
const fte = ft.getElementsByClassName("markedPic");
for (var i = 0; i < fte.length; i++)
imgs.push(fte[i]);
}
for (i = 0; i < imgs.length; i++) {
const img = imgs[i];
if (!row.hasClassName("marked")) {
img.src = img.src.replace("mark_unset", "mark_set");
query.mark = 1;
} else {
img.src = img.src.replace("mark_set", "mark_unset");
query.mark = 0;
}
}
row.toggleClassName("marked");
if (!client_only)
xhrPost("backend.php", query, (transport) => {
handle_rpc_json(transport);
});
}
function togglePub(id, client_only, no_effects, note) {
const query = { op: "rpc", id: id, method: "publ" };
if (note != undefined) {
query.note = note;
} else {
query.note = "undefined";
}
const row = $("RROW-" + id);
if (!row) return;
const imgs = [];
const row_imgs = row.getElementsByClassName("pubPic");
for (let i = 0; i < row_imgs.length; i++)
imgs.push(row_imgs[i]);
const ft = $("floatingTitle");
if (ft && ft.getAttribute("data-article-id") == id) {
const fte = ft.getElementsByClassName("pubPic");
for (let i = 0; i < fte.length; i++)
imgs.push(fte[i]);
}
for (let i = 0; i < imgs.length; i++) {
const img = imgs[i];
if (!row.hasClassName("published") || note != undefined) {
img.src = img.src.replace("pub_unset", "pub_set");
query.pub = 1;
} else {
img.src = img.src.replace("pub_set", "pub_unset");
query.pub = 0;
}
}
if (note != undefined)
row.addClassName("published");
else
row.toggleClassName("published");
if (!client_only)
xhrPost("backend.php", query, (transport) => {
handle_rpc_json(transport);
});
}
function moveToPost(mode, noscroll, noexpand) {
const rows = getLoadedArticleIds();
let prev_id = false;
let next_id = false;
if (!$('RROW-' + getActiveArticleId())) {
setActiveArticleId(0);
}
if (!getActiveArticleId()) {
next_id = rows[0];
prev_id = rows[rows.length-1]
} else {
for (let i = 0; i < rows.length; i++) {
if (rows[i] == getActiveArticleId()) {
// Account for adjacent identical article ids.
if (i > 0) prev_id = rows[i-1];
for (let j = i+1; j < rows.length; j++) {
if (rows[j] != getActiveArticleId()) {
next_id = rows[j];
break;
}
}
break;
}
}
}
console.log("cur: " + getActiveArticleId() + " next: " + next_id);
if (mode == "next") {
if (next_id || getActiveArticleId()) {
if (isCdmMode()) {
var article = $("RROW-" + getActiveArticleId());
var ctr = $("headlines-frame");
if (!noscroll && article && article.offsetTop + article.offsetHeight >
ctr.scrollTop + ctr.offsetHeight) {
scrollArticle(ctr.offsetHeight/4);
} else if (next_id) {
cdmScrollToArticleId(next_id, true);
}
} else if (next_id) {
correctHeadlinesOffset(next_id);
view(next_id, getActiveFeedId(), noexpand);
}
}
}
if (mode == "prev") {
if (prev_id || getActiveArticleId()) {
if (isCdmMode()) {
var article = $("RROW-" + getActiveArticleId());
const prev_article = $("RROW-" + prev_id);
var ctr = $("headlines-frame");
if (!noscroll && article && article.offsetTop < ctr.scrollTop) {
scrollArticle(-ctr.offsetHeight/3);
} else if (!noscroll && prev_article &&
prev_article.offsetTop < ctr.scrollTop) {
scrollArticle(-ctr.offsetHeight/4);
} else if (prev_id) {
cdmScrollToArticleId(prev_id, noscroll);
}
} else if (prev_id) {
correctHeadlinesOffset(prev_id);
view(prev_id, getActiveFeedId(), noexpand);
}
}
}
}
function toggleSelected(id, force_on) {
const row = $("RROW-" + id);
if (row) {
const cb = dijit.getEnclosingWidget(
row.getElementsByClassName("rchk")[0]);
if (row.hasClassName('Selected') && !force_on) {
row.removeClassName('Selected');
if (cb) cb.attr("checked", false);
} else {
row.addClassName('Selected');
if (cb) cb.attr("checked", true);
}
}
updateSelectedPrompt();
}
function updateSelectedPrompt() {
const count = getSelectedArticleIds2().length;
const elem = $("selected_prompt");
if (elem) {
elem.innerHTML = ngettext("%d article selected",
"%d articles selected", count).replace("%d", count);
if (count > 0)
Element.show(elem);
else
Element.hide(elem);
}
}
function toggleUnread(id, cmode) {
const row = $("RROW-" + id);
if (row) {
const tmpClassName = row.className;
if (cmode == undefined || cmode == 2) {
if (row.hasClassName("Unread")) {
row.removeClassName("Unread");
} else {
row.addClassName("Unread");
}
} else if (cmode == 0) {
row.removeClassName("Unread");
} else if (cmode == 1) {
row.addClassName("Unread");
}
if (tmpClassName != row.className) {
if (cmode == undefined) cmode = 2;
const query = {op: "rpc", method: "catchupSelected",
cmode: cmode, ids: id};
xhrPost("backend.php", query, (transport) => {
handle_rpc_json(transport);
});
}
}
}
function selectionRemoveLabel(id, ids) {
if (!ids) ids = getSelectedArticleIds2();
if (ids.length == 0) {
alert(__("No articles are selected."));
return;
}
const query = { op: "article", method: "removeFromLabel",
ids: ids.toString(), lid: id };
xhrPost("backend.php", query, (transport) => {
handle_rpc_json(transport);
show_labels_in_headlines(transport);
});
}
function selectionAssignLabel(id, ids) {
if (!ids) ids = getSelectedArticleIds2();
if (ids.length == 0) {
alert(__("No articles are selected."));
return;
}
const query = { op: "article", method: "assignToLabel",
ids: ids.toString(), lid: id };
xhrPost("backend.php", query, (transport) => {
handle_rpc_json(transport);
show_labels_in_headlines(transport);
});
}
function selectionToggleUnread(set_state, callback, no_error, ids) {
const rows = ids ? ids : getSelectedArticleIds2();
if (rows.length == 0 && !no_error) {
alert(__("No articles are selected."));
return;
}
for (let i = 0; i < rows.length; i++) {
const row = $("RROW-" + rows[i]);
if (row) {
if (set_state == undefined) {
if (row.hasClassName("Unread")) {
row.removeClassName("Unread");
} else {
row.addClassName("Unread");
}
}
if (set_state == false) {
row.removeClassName("Unread");
}
if (set_state == true) {
row.addClassName("Unread");
}
}
}
updateFloatingTitle(true);
if (rows.length > 0) {
let cmode = "";
if (set_state == undefined) {
cmode = "2";
} else if (set_state == true) {
cmode = "1";
} else if (set_state == false) {
cmode = "0";
}
const query = {op: "rpc", method: "catchupSelected",
cmode: cmode, ids: rows.toString() };
notify_progress("Loading, please wait...");
xhrPost("backend.php", query, (transport) => {
handle_rpc_json(transport);
if (callback) callback(transport);
});
}
}
// sel_state ignored
function selectionToggleMarked(sel_state, callback, no_error, ids) {
const rows = ids ? ids : getSelectedArticleIds2();
if (rows.length == 0 && !no_error) {
alert(__("No articles are selected."));
return;
}
for (let i = 0; i < rows.length; i++) {
toggleMark(rows[i], true, true);
}
if (rows.length > 0) {
const query = { op: "rpc", method: "markSelected",
ids: rows.toString(), cmode: 2 };
xhrPost("backend.php", query, (transport) => {
handle_rpc_json(transport);
if (callback) callback(transport);
});
}
}
// sel_state ignored
function selectionTogglePublished(sel_state, callback, no_error, ids) {
const rows = ids ? ids : getSelectedArticleIds2();
if (rows.length == 0 && !no_error) {
alert(__("No articles are selected."));
return;
}
for (let i = 0; i < rows.length; i++) {
togglePub(rows[i], true, true);
}
if (rows.length > 0) {
const query = { op: "rpc", method: "publishSelected",
ids: rows.toString(), cmode: 2 };
xhrPost("backend.php", query, (transport) => {
handle_rpc_json(transport);
if (callback) callback(transport);
});
}
}
function getSelectedArticleIds2() {
const rv = [];
$$("#headlines-frame > div[id*=RROW][class*=Selected]").each(
function(child) {
rv.push(child.getAttribute("data-article-id"));
});
return rv;
}
function getLoadedArticleIds() {
const rv = [];
const children = $$("#headlines-frame > div[id*=RROW-]");
children.each(function(child) {
if (Element.visible(child)) {
rv.push(child.getAttribute("data-article-id"));
}
});
return rv;
}
// mode = all,none,unread,invert,marked,published
function selectArticles(mode, query) {
if (!query) query = "#headlines-frame > div[id*=RROW]";
const children = $$(query);
children.each(function(child) {
//const id = child.getAttribute("data-article-id");
const cb = dijit.getEnclosingWidget(
child.getElementsByClassName("rchk")[0]);
if (mode == "all") {
child.addClassName("Selected");
if (cb) cb.attr("checked", true);
} else if (mode == "unread") {
if (child.hasClassName("Unread")) {
child.addClassName("Selected");
if (cb) cb.attr("checked", true);
} else {
child.removeClassName("Selected");
if (cb) cb.attr("checked", false);
}
} else if (mode == "marked") {
if (child.hasClassName("marked")) {
child.addClassName("Selected");
if (cb) cb.attr("checked", true);
} else {
child.removeClassName("Selected");
if (cb) cb.attr("checked", false);
}
} else if (mode == "published") {
if (child.hasClassName("published")) {
child.addClassName("Selected");
if (cb) cb.attr("checked", true);
} else {
child.removeClassName("Selected");
if (cb) cb.attr("checked", false);
}
} else if (mode == "invert") {
if (child.hasClassName("Selected")) {
child.removeClassName("Selected");
if (cb) cb.attr("checked", false);
} else {
child.addClassName("Selected");
if (cb) cb.attr("checked", true);
}
} else {
child.removeClassName("Selected");
if (cb) cb.attr("checked", false);
}
});
updateSelectedPrompt();
}
function deleteSelection() {
const rows = getSelectedArticleIds2();
if (rows.length == 0) {
alert(__("No articles are selected."));
return;
}
const fn = getFeedName(getActiveFeedId(), activeFeedIsCat());
let str;
if (getActiveFeedId() != 0) {
str = ngettext("Delete %d selected article in %s?", "Delete %d selected articles in %s?", rows.length);
} else {
str = ngettext("Delete %d selected article?", "Delete %d selected articles?", rows.length);
}
str = str.replace("%d", rows.length);
str = str.replace("%s", fn);
if (getInitParam("confirm_feed_catchup") == 1 && !confirm(str)) {
return;
}
const query = { op: "rpc", method: "delete", ids: rows.toString() };
xhrPost("backend.php", query, (transport) => {
handle_rpc_json(transport);
viewCurrentFeed();
});
}
function archiveSelection() {
const rows = getSelectedArticleIds2();
if (rows.length == 0) {
alert(__("No articles are selected."));
return;
}
const fn = getFeedName(getActiveFeedId(), activeFeedIsCat());
let str;
let op;
if (getActiveFeedId() != 0) {
str = ngettext("Archive %d selected article in %s?", "Archive %d selected articles in %s?", rows.length);
op = "archive";
} else {
str = ngettext("Move %d archived article back?", "Move %d archived articles back?", rows.length);
str += " " + __("Please note that unstarred articles might get purged on next feed update.");
op = "unarchive";
}
str = str.replace("%d", rows.length);
str = str.replace("%s", fn);
if (getInitParam("confirm_feed_catchup") == 1 && !confirm(str)) {
return;
}
for (let i = 0; i < rows.length; i++) {
cache_delete("article:" + rows[i]);
}
const query = {op: "rpc", method: op, ids: rows.toString()};
xhrPost("backend.php", query, (transport) => {
handle_rpc_json(transport);
viewCurrentFeed();
});
}
function catchupSelection() {
const rows = getSelectedArticleIds2();
if (rows.length == 0) {
alert(__("No articles are selected."));
return;
}
const fn = getFeedName(getActiveFeedId(), activeFeedIsCat());
let str = ngettext("Mark %d selected article in %s as read?", "Mark %d selected articles in %s as read?", rows.length);
str = str.replace("%d", rows.length);
str = str.replace("%s", fn);
if (getInitParam("confirm_feed_catchup") == 1 && !confirm(str)) {
return;
}
selectionToggleUnread(false, 'viewCurrentFeed()', true);
}
function editArticleTags(id) {
const query = "backend.php?op=article&method=editArticleTags&param=" + param_escape(id);
if (dijit.byId("editTagsDlg"))
dijit.byId("editTagsDlg").destroyRecursive();
const dialog = new dijit.Dialog({
id: "editTagsDlg",
title: __("Edit article Tags"),
style: "width: 600px",
execute: function() {
if (this.validate()) {
const query = dojo.objectToQuery(this.attr('value'));
notify_progress("Saving article tags...", true);
xhrPost("backend.php", this.attr('value'), (transport) => {
try {
notify('');
dialog.hide();
const data = JSON.parse(transport.responseText);
if (data) {
const id = data.id;
const tags = $("ATSTR-" + id);
const tooltip = dijit.byId("ATSTRTIP-" + id);
if (tags) tags.innerHTML = data.content;
if (tooltip) tooltip.attr('label', data.content_full);
}
} catch (e) {
exception_error(e);
}
});
}
},
href: query
});
var tmph = dojo.connect(dialog, 'onLoad', function() {
dojo.disconnect(tmph);
new Ajax.Autocompleter('tags_str', 'tags_choices',
"backend.php?op=article&method=completeTags",
{ tokens: ',', paramName: "search" });
});
dialog.show();
}
function cdmScrollToArticleId(id, force) {
const ctr = $("headlines-frame");
const e = $("RROW-" + id);
if (!e || !ctr) return;
if (force || e.offsetTop+e.offsetHeight > (ctr.scrollTop+ctr.offsetHeight) ||
e.offsetTop < ctr.scrollTop) {
// expanded cdm has a 4px margin now
ctr.scrollTop = parseInt(e.offsetTop) - 4;
}
}
function setActiveArticleId(id) {
console.log("setActiveArticleId:" + id);
_active_article_id = id;
PluginHost.run(PluginHost.HOOK_ARTICLE_SET_ACTIVE, _active_article_id);
}
function getActiveArticleId() {
return _active_article_id;
}
function postMouseIn(e, id) {
post_under_pointer = id;
}
function postMouseOut(id) {
post_under_pointer = false;
}
function unpackVisibleHeadlines() {
if (!isCdmMode()) return;
const rows = $$("#headlines-frame div[id*=RROW][data-content]");
const threshold = $("headlines-frame").scrollTop + $("headlines-frame").offsetHeight + 300;
for (let i = 0; i < rows.length; i++) {
const row = rows[i];
if (row.offsetTop <= threshold) {
console.log("unpacking: " + row.id);
const content = row.getAttribute("data-content");
row.select(".content-inner")[0].innerHTML = content;
row.removeAttribute("data-content");
PluginHost.run(PluginHost.HOOK_ARTICLE_RENDERED_CDM, row);
} else {
break;
}
}
}
function headlines_scroll_handler(e) {
try {
// rate-limit in case of smooth scrolling and similar abominations
if (Math.max(e.scrollTop, _headlines_scroll_offset) - Math.min(e.scrollTop, _headlines_scroll_offset) < 25) {
return;
}
_headlines_scroll_offset = e.scrollTop;
unpackVisibleHeadlines();
// set topmost child in the buffer as active
if (isCdmMode() && getInitParam("cdm_auto_catchup") == 1 &&
getSelectedArticleIds2().length <= 1) {
const rows = $$("#headlines-frame > div[id*=RROW]");
for (let i = 0; i < rows.length; i++) {
const row = rows[i];
if ($("headlines-frame").scrollTop <= row.offsetTop &&
row.offsetTop - $("headlines-frame").scrollTop < 100 &&
row.getAttribute("data-article-id") != _active_article_id) {
if (_active_article_id) {
const row = $("RROW-" + _active_article_id);
if (row) row.removeClassName("active");
}
_active_article_id = row.getAttribute("data-article-id");
showArticleInHeadlines(_active_article_id, true);
updateSelectedPrompt();
break;
}
}
}
if (!_infscroll_disable) {
const hsp = $("headlines-spacer");
if (hsp && hsp.offsetTop - 250 <= e.scrollTop + e.offsetHeight) {
hsp.innerHTML = "<span class='loading'><img src='images/indicator_tiny.gif'> " +
__("Loading, please wait...") + "</span>";
loadMoreHeadlines();
return;
}
}
if (isCdmMode()) {
updateFloatingTitle();
}
if (getInitParam("cdm_auto_catchup") == 1) {
let rows = $$("#headlines-frame > div[id*=RROW][class*=Unread]");
for (let i = 0; i < rows.length; i++) {
const row = rows[i];
if ($("headlines-frame").scrollTop > (row.offsetTop + row.offsetHeight/2)) {
const id = row.getAttribute("data-article-id")
if (catchup_id_batch.indexOf(id) == -1)
catchup_id_batch.push(id);
//console.log("auto_catchup_batch: " + catchup_id_batch.toString());
} else {
break;
}
}
if (_infscroll_disable) {
const row = $$("#headlines-frame div[id*=RROW]").last();
if (row && $("headlines-frame").scrollTop >
(row.offsetTop + row.offsetHeight - 50)) {
console.log("we seem to be at an end");
if (getInitParam("on_catchup_show_next_feed") == "1") {
openNextUnreadFeed();
}
}
}
}
} catch (e) {
console.warn("headlines_scroll_handler: " + e);
}
}
function openNextUnreadFeed() {
const is_cat = activeFeedIsCat();
const nuf = getNextUnreadFeed(getActiveFeedId(), is_cat);
if (nuf) viewfeed({feed: nuf, is_cat: is_cat});
}
function catchupBatchedArticles() {
if (catchup_id_batch.length > 0 && !_infscroll_request_sent && !_catchup_request_sent) {
console.log("catchupBatchedArticles, size=", catchup_id_batch.length);
// make a copy of the array
const batch = catchup_id_batch.slice();
const query = { op: "rpc", method: "catchupSelected",
cmode: 0, ids: batch.toString() };
_catchup_request_sent = true;
xhrPost("backend.php", query, (transport) => {
const reply = handle_rpc_json(transport);
_catchup_request_sent = false;
if (reply) {
const batch = reply.ids;
batch.each(function (id) {
const elem = $("RROW-" + id);
if (elem) elem.removeClassName("Unread");
catchup_id_batch.remove(id);
});
}
updateFloatingTitle(true);
});
}
}
function catchupRelativeToArticle(below, id) {
if (!id) id = getActiveArticleId();
if (!id) {
alert(__("No article is selected."));
return;
}
const visible_ids = getLoadedArticleIds();
const ids_to_mark = [];
if (!below) {
for (var i = 0; i < visible_ids.length; i++) {
if (visible_ids[i] != id) {
var e = $("RROW-" + visible_ids[i]);
if (e && e.hasClassName("Unread")) {
ids_to_mark.push(visible_ids[i]);
}
} else {
break;
}
}
} else {
for (var i = visible_ids.length - 1; i >= 0; i--) {
if (visible_ids[i] != id) {
var e = $("RROW-" + visible_ids[i]);
if (e && e.hasClassName("Unread")) {
ids_to_mark.push(visible_ids[i]);
}
} else {
break;
}
}
}
if (ids_to_mark.length == 0) {
alert(__("No articles found to mark"));
} else {
const msg = ngettext("Mark %d article as read?", "Mark %d articles as read?", ids_to_mark.length).replace("%d", ids_to_mark.length);
if (getInitParam("confirm_feed_catchup") != 1 || confirm(msg)) {
for (var i = 0; i < ids_to_mark.length; i++) {
var e = $("RROW-" + ids_to_mark[i]);
e.removeClassName("Unread");
}
const query = { op: "rpc", method: "catchupSelected",
cmode: 0, ids: ids_to_mark.toString() };
xhrPost("backend.php", query, (transport) => {
handle_rpc_json(transport);
});
}
}
}
function getArticleUnderPointer() {
return post_under_pointer;
}
function scrollArticle(offset) {
if (!isCdmMode()) {
const ci = $("content-insert");
if (ci) {
ci.scrollTop += offset;
}
} else {
const hi = $("headlines-frame");
if (hi) {
hi.scrollTop += offset;
}
}
}
function show_labels_in_headlines(transport) {
const data = JSON.parse(transport.responseText);
if (data) {
data['info-for-headlines'].each(function (elem) {
$$(".HLLCTR-" + elem.id).each(function (ctr) {
ctr.innerHTML = elem.labels;
});
});
}
}
function cdmClicked(event, id, in_body) {
//var shift_key = event.shiftKey;
if (!event.ctrlKey && !event.metaKey) {
let elem = $("RROW-" + getActiveArticleId());
if (elem) elem.removeClassName("active");
selectArticles("none");
toggleSelected(id);
elem = $("RROW-" + id);
const article_is_unread = elem.hasClassName("Unread");
elem.removeClassName("Unread");
elem.addClassName("active");
setActiveArticleId(id);
if (article_is_unread) {
decrementFeedCounter(getActiveFeedId(), activeFeedIsCat());
updateFloatingTitle(true);
const query = {
op: "rpc", method: "catchupSelected",
cmode: 0, ids: id
};
xhrPost("backend.php", query, (transport) => {
handle_rpc_json(transport);
});
}
return !event.shiftKey;
} else if (!in_body) {
toggleSelected(id, true);
let elem = $("RROW-" + id);
const article_is_unread = elem.hasClassName("Unread");
if (article_is_unread) {
decrementFeedCounter(getActiveFeedId(), activeFeedIsCat());
}
toggleUnread(id, 0, false);
openArticleInNewWindow(id);
} else {
return true;
}
const unread_in_buffer = $$("#headlines-frame > div[id*=RROW][class*=Unread]").length
request_counters(unread_in_buffer == 0);
return false;
}
function hlClicked(event, id) {
if (event.which == 2) {
view(id);
return true;
} else if (event.ctrlKey || event.metaKey) {
openArticleInNewWindow(id);
return false;
} else {
view(id);
return false;
}
}
function openArticleInNewWindow(id) {
toggleUnread(id, 0, false);
const w = window.open("");
w.opener = null;
w.location = "backend.php?op=article&method=redirect&id=" + id;
}
function isCdmMode() {
return getInitParam("combined_display_mode");
}
function markHeadline(id, marked) {
if (marked == undefined) marked = true;
const row = $("RROW-" + id);
if (row) {
const check = dijit.getEnclosingWidget(
row.getElementsByClassName("rchk")[0]);
if (check) {
check.attr("checked", marked);
}
if (marked)
row.addClassName("Selected");
else
row.removeClassName("Selected");
}
}
function getRelativePostIds(id, limit) {
const tmp = [];
if (!limit) limit = 6; //3
const ids = getLoadedArticleIds();
for (let i = 0; i < ids.length; i++) {
if (ids[i] == id) {
for (let k = 1; k <= limit; k++) {
//if (i > k-1) tmp.push(ids[i-k]);
if (i < ids.length - k) tmp.push(ids[i + k]);
}
break;
}
}
return tmp;
}
function correctHeadlinesOffset(id) {
const container = $("headlines-frame");
const row = $("RROW-" + id);
if (!container || !row) return;
const viewport = container.offsetHeight;
const rel_offset_top = row.offsetTop - container.scrollTop;
const rel_offset_bottom = row.offsetTop + row.offsetHeight - container.scrollTop;
//console.log("Rtop: " + rel_offset_top + " Rbtm: " + rel_offset_bottom);
//console.log("Vport: " + viewport);
if (rel_offset_top <= 0 || rel_offset_top > viewport) {
container.scrollTop = row.offsetTop;
} else if (rel_offset_bottom > viewport) {
/* doesn't properly work with Opera in some cases because
Opera fucks up element scrolling */
container.scrollTop = row.offsetTop + row.offsetHeight - viewport;
}
}
function headlineActionsChange(elem) {
eval(elem.value);
elem.attr('value', 'false');
}
function closeArticlePanel() {
if (dijit.byId("content-insert"))
dijit.byId("headlines-wrap-inner").removeChild(
dijit.byId("content-insert"));
}
function initFloatingMenu() {
if (!dijit.byId("floatingMenu")) {
const menu = new dijit.Menu({
id: "floatingMenu",
targetNodeIds: ["floatingTitle"]
});
headlinesMenuCommon(menu);
menu.startup();
}
}
function headlinesMenuCommon(menu) {
menu.addChild(new dijit.MenuItem({
label: __("Open original article"),
onClick: function (event) {
openArticleInNewWindow(this.getParent().currentTarget.getAttribute("data-article-id"));
}
}));
menu.addChild(new dijit.MenuItem({
label: __("Display article URL"),
onClick: function (event) {
displayArticleUrl(this.getParent().currentTarget.getAttribute("data-article-id"));
}
}));
menu.addChild(new dijit.MenuSeparator());
menu.addChild(new dijit.MenuItem({
label: __("Toggle unread"),
onClick: function () {
let ids = getSelectedArticleIds2();
// cast to string
const id = (this.getParent().currentTarget.getAttribute("data-article-id")) + "";
ids = ids.length != 0 && ids.indexOf(id) != -1 ? ids : [id];
selectionToggleUnread(undefined, false, true, ids);
}
}));
menu.addChild(new dijit.MenuItem({
label: __("Toggle starred"),
onClick: function () {
let ids = getSelectedArticleIds2();
// cast to string
const id = (this.getParent().currentTarget.getAttribute("data-article-id")) + "";
ids = ids.length != 0 && ids.indexOf(id) != -1 ? ids : [id];
selectionToggleMarked(undefined, false, true, ids);
}
}));
menu.addChild(new dijit.MenuItem({
label: __("Toggle published"),
onClick: function () {
let ids = getSelectedArticleIds2();
// cast to string
const id = (this.getParent().currentTarget.getAttribute("data-article-id")) + "";
ids = ids.length != 0 && ids.indexOf(id) != -1 ? ids : [id];
selectionTogglePublished(undefined, false, true, ids);
}
}));
menu.addChild(new dijit.MenuSeparator());
menu.addChild(new dijit.MenuItem({
label: __("Mark above as read"),
onClick: function () {
catchupRelativeToArticle(0, this.getParent().currentTarget.getAttribute("data-article-id"));
}
}));
menu.addChild(new dijit.MenuItem({
label: __("Mark below as read"),
onClick: function () {
catchupRelativeToArticle(1, this.getParent().currentTarget.getAttribute("data-article-id"));
}
}));
const labels = getInitParam("labels");
if (labels && labels.length) {
menu.addChild(new dijit.MenuSeparator());
const labelAddMenu = new dijit.Menu({ownerMenu: menu});
const labelDelMenu = new dijit.Menu({ownerMenu: menu});
labels.each(function (label) {
const bare_id = label.id;
const name = label.caption;
labelAddMenu.addChild(new dijit.MenuItem({
label: name,
labelId: bare_id,
onClick: function () {
let ids = getSelectedArticleIds2();
// cast to string
const id = (this.getParent().ownerMenu.currentTarget.getAttribute("data-article-id")) + "";
ids = ids.length != 0 && ids.indexOf(id) != -1 ? ids : [id];
selectionAssignLabel(this.labelId, ids);
}
}));
labelDelMenu.addChild(new dijit.MenuItem({
label: name,
labelId: bare_id,
onClick: function () {
let ids = getSelectedArticleIds2();
// cast to string
const id = (this.getParent().ownerMenu.currentTarget.getAttribute("data-article-id")) + "";
ids = ids.length != 0 && ids.indexOf(id) != -1 ? ids : [id];
selectionRemoveLabel(this.labelId, ids);
}
}));
});
menu.addChild(new dijit.PopupMenuItem({
label: __("Assign label"),
popup: labelAddMenu
}));
menu.addChild(new dijit.PopupMenuItem({
label: __("Remove label"),
popup: labelDelMenu
}));
}
}
function initHeadlinesMenu() {
if (!dijit.byId("headlinesMenu")) {
const menu = new dijit.Menu({
id: "headlinesMenu",
targetNodeIds: ["headlines-frame"],
selector: ".hlMenuAttach"
});
headlinesMenuCommon(menu);
menu.startup();
}
/* vgroup feed title menu */
if (!dijit.byId("headlinesFeedTitleMenu")) {
const menu = new dijit.Menu({
id: "headlinesFeedTitleMenu",
targetNodeIds: ["headlines-frame"],
selector: "div.cdmFeedTitle"
});
menu.addChild(new dijit.MenuItem({
label: __("Select articles in group"),
onClick: function (event) {
selectArticles("all",
"#headlines-frame > div[id*=RROW]" +
"[data-orig-feed-id='" + this.getParent().currentTarget.getAttribute("data-feed-id") + "']");
}
}));
menu.addChild(new dijit.MenuItem({
label: __("Mark group as read"),
onClick: function () {
selectArticles("none");
selectArticles("all",
"#headlines-frame > div[id*=RROW]" +
"[data-orig-feed-id='" + this.getParent().currentTarget.getAttribute("data-feed-id") + "']");
catchupSelection();
}
}));
menu.addChild(new dijit.MenuItem({
label: __("Mark feed as read"),
onClick: function () {
catchupFeedInGroup(this.getParent().currentTarget.getAttribute("data-feed-id"));
}
}));
menu.addChild(new dijit.MenuItem({
label: __("Edit feed"),
onClick: function () {
editFeed(this.getParent().currentTarget.getAttribute("data-feed-id"));
}
}));
menu.startup();
}
}
function cache_set(id, obj) {
//console.log("cache_set: " + id);
if (has_storage)
try {
sessionStorage[id] = obj;
} catch (e) {
sessionStorage.clear();
}
}
function cache_get(id) {
if (has_storage)
return sessionStorage[id];
}
function cache_clear() {
if (has_storage)
sessionStorage.clear();
}
function cache_delete(id) {
if (has_storage)
sessionStorage.removeItem(id);
}
function cancelSearch() {
_search_query = "";
viewCurrentFeed();
}
function setSelectionScore() {
const ids = getSelectedArticleIds2();
if (ids.length > 0) {
console.log(ids);
const score = prompt(__("Please enter new score for selected articles:"));
if (score != undefined) {
const query = { op: "article", method: "setScore", id: ids.toString(),
score: score };
xhrJson("backend.php", query, (reply) => {
if (reply) {
reply.id.each((id) => {
const row = $("RROW-" + id);
if (row) {
const pic = row.getElementsByClassName("score-pic")[0];
if (pic) {
pic.src = pic.src.replace(/score_.*?\.png/,
reply["score_pic"]);
pic.setAttribute("score", reply["score"]);
}
}
});
}
});
}
} else {
alert(__("No articles are selected."));
}
}
function changeScore(id, pic) {
const score = pic.getAttribute("score");
const new_score = prompt(__("Please enter new score for this article:"), score);
if (new_score != undefined) {
const query = { op: "article", method: "setScore", id: id, score: new_score };
xhrJson("backend.php", query, (reply) => {
if (reply) {
pic.src = pic.src.replace(/score_.*?\.png/, reply["score_pic"]);
pic.setAttribute("score", new_score);
pic.setAttribute("title", new_score);
}
});
}
}
function displayArticleUrl(id) {
const query = { op: "rpc", method: "getlinktitlebyid", id: id };
xhrJson("backend.php", query, (reply) => {
if (reply && reply.link) {
prompt(__("Article URL:"), reply.link);
}
});
}
function scrollToRowId(id) {
const row = $(id);
if (row)
$("headlines-frame").scrollTop = row.offsetTop - 4;
}
function updateFloatingTitle(unread_only) {
if (!isCdmMode()) return;
const hf = $("headlines-frame");
const elems = $$("#headlines-frame > div[id*=RROW]");
for (let i = 0; i < elems.length; i++) {
const child = elems[i];
if (child && child.offsetTop + child.offsetHeight > hf.scrollTop) {
const header = child.getElementsByClassName("header")[0];
if (unread_only || child.getAttribute("data-article-id") != $("floatingTitle").getAttribute("data-article-id")) {
if (child.getAttribute("data-article-id") != $("floatingTitle").getAttribute("data-article-id")) {
$("floatingTitle").setAttribute("data-article-id", child.getAttribute("data-article-id"));
$("floatingTitle").innerHTML = header.innerHTML;
$("floatingTitle").firstChild.innerHTML = "<img class='anchor markedPic' src='images/page_white_go.png' onclick=\"scrollToRowId('" + child.id + "')\">" + $("floatingTitle").firstChild.innerHTML;
initFloatingMenu();
const cb = $$("#floatingTitle .dijitCheckBox")[0];
if (cb)
cb.parentNode.removeChild(cb);
}
if (child.hasClassName("Unread"))
$("floatingTitle").addClassName("Unread");
else
$("floatingTitle").removeClassName("Unread");
PluginHost.run(PluginHost.HOOK_FLOATING_TITLE, child);
}
$("floatingTitle").style.marginRight = hf.offsetWidth - child.offsetWidth + "px";
if (header.offsetTop + header.offsetHeight < hf.scrollTop + $("floatingTitle").offsetHeight - 5 &&
child.offsetTop + child.offsetHeight >= hf.scrollTop + $("floatingTitle").offsetHeight - 5)
$("floatingTitle").style.visibility = "visible";
else
$("floatingTitle").style.visibility = "hidden";
return;
}
}
}