diff --git a/js/Headlines.js b/js/Headlines.js
index 3c5ab2ee6..6abda030a 100755
--- a/js/Headlines.js
+++ b/js/Headlines.js
@@ -272,17 +272,21 @@ define(["dojo/_base/declare"], function (declare) {
}
}
- if (!Feeds.infscroll_disabled) {
+ if (!Feeds.infscroll_disabled && !Feeds.infscroll_in_progress) {
const hsp = $("headlines-spacer");
const container = $("headlines-frame");
- if (hsp && hsp.offsetTop - 250 <= container.scrollTop + container.offsetHeight) {
+ if (hsp && hsp.previousSibling) {
+ const last_row = hsp.previousSibling;
- hsp.innerHTML = " " +
- __("Loading, please wait...") + "";
+ // invoke lazy load if last article in buffer is nearly visible
+ if (last_row.offsetTop - 250 <= container.scrollTop + container.offsetHeight) {
+ hsp.innerHTML = " " +
+ __("Loading, please wait...") + "";
- Headlines.loadMore();
- return;
+ Headlines.loadMore();
+ return;
+ }
}
}
@@ -558,13 +562,14 @@ define(["dojo/_base/declare"], function (declare) {
const headlines_count = reply['headlines-info']['count'];
- Feeds.infscroll_disabled = parseInt(headlines_count) < 30;
- console.log('received', headlines_count, 'headlines, infscroll disabled=', Feeds.infscroll_disabled);
-
//this.vgroup_last_feed = reply['headlines-info']['vgroup_last_feed'];
this.current_first_id = reply['headlines']['first_id'];
+ console.log('received', headlines_count, 'headlines');
+
if (!append) {
+ Feeds.infscroll_disabled = parseInt(headlines_count) != 30;
+ console.log('infscroll_disabled=', Feeds.infscroll_disabled);
// TODO: the below needs to be applied again when switching expanded/expandable on the fly
// via hotkeys, not just on feed load
@@ -663,7 +668,7 @@ define(["dojo/_base/declare"], function (declare) {
}
}
- Feeds.infscroll_disabled = headlines_appended != 30;
+ Feeds.infscroll_disabled = headlines_appended == 0;
console.log('appended', headlines_appended, 'headlines, infscroll_disabled=', Feeds.infscroll_disabled);
@@ -682,10 +687,10 @@ define(["dojo/_base/declare"], function (declare) {
}
} else {
- console.log("no new headlines received");
-
+ Feeds.infscroll_disabled = true;
const first_id_changed = reply['headlines']['first_id_changed'];
- console.log("first id changed:" + first_id_changed);
+
+ console.log("no headlines received, infscroll_disabled=", Feeds.infscroll_disabled, 'first_id_changed=', first_id_changed);
let hsp = $("headlines-spacer");