From eaec06f950439db7d2ae0c7e25e915639e2ae281 Mon Sep 17 00:00:00 2001
From: Andrew Dolgov <noreply@madoka.volgo-balt.ru>
Date: Tue, 11 Aug 2015 12:00:08 +0300
Subject: [PATCH] prevent cyclical scrolling in headlines if next offset
 requested by infscroll is zero a bunch of other related fixes

---
 js/feedlist.js |  4 ++--
 js/viewfeed.js | 23 ++++++++++++++++-------
 2 files changed, 18 insertions(+), 9 deletions(-)

diff --git a/js/feedlist.js b/js/feedlist.js
index 05c50228..ad9d8dcf 100644
--- a/js/feedlist.js
+++ b/js/feedlist.js
@@ -72,12 +72,12 @@ function viewfeed(feed, method, is_cat, offset, background, infscroll_req, can_w
 		if (!background) {
 			_viewfeed_last = get_timestamp();
 
-			if (getActiveFeedId() != feed || offset == 0) {
+			if (getActiveFeedId() != feed || !infscroll_req) {
 				setActiveArticleId(0);
 				_infscroll_disable = 0;
 			}
 
-			if (offset != 0 && !method) {
+			if (infscroll_req && !method) {
 				var timestamp = get_timestamp();
 
 				if (_infscroll_request_sent && _infscroll_request_sent + 30 > timestamp) {
diff --git a/js/viewfeed.js b/js/viewfeed.js
index af5adeb2..e84ed710 100644
--- a/js/viewfeed.js
+++ b/js/viewfeed.js
@@ -565,8 +565,10 @@ function moveToPost(mode, noscroll, noexpand) {
 			}
 		}
 
+		console.log("cur: " + getActiveArticleId() + " next: " + next_id);
+
 		if (mode == "next") {
-		 	if (next_id || getActiveArticleId()) {
+		 	if (next_id /*|| getActiveArticleId()*/) {
 				if (isCdmMode()) {
 
 					var article = $("RROW-" + getActiveArticleId());
@@ -690,6 +692,8 @@ function toggleUnread(id, cmode, effect) {
 
 		var row = $("RROW-" + id);
 		if (row) {
+			var tmpClassName = row.className;
+
 			if (cmode == undefined || cmode == 2) {
 				if (row.hasClassName("Unread")) {
 					row.removeClassName("Unread");
@@ -713,11 +717,14 @@ function toggleUnread(id, cmode, effect) {
 
 //			notify_progress("Loading, please wait...");
 
-			new Ajax.Request("backend.php", {
-				parameters: query,
-				onComplete: function(transport) {
-					handle_rpc_json(transport);
-				} });
+			if (tmpClassName != row.className) {
+				new Ajax.Request("backend.php", {
+					parameters: query,
+					onComplete: function (transport) {
+						handle_rpc_json(transport);
+					}
+				});
+			}
 
 		}
 
@@ -1204,6 +1211,8 @@ function cdmScrollToArticleId(id, force) {
 }
 
 function setActiveArticleId(id) {
+	console.log("setActiveArticleId:" + id);
+
 	_active_article_id = id;
 	PluginHost.run(PluginHost.HOOK_ARTICLE_SET_ACTIVE, _active_article_id);
 }
@@ -1281,7 +1290,7 @@ function headlines_scroll_handler(e) {
 		}
 
 		if (!_infscroll_disable) {
-			if (hsp && hsp.offsetTop - 100 <= e.scrollTop + e.offsetHeight) {
+			if (hsp && hsp.offsetTop - 250 <= e.scrollTop + e.offsetHeight) {
 
 				hsp.innerHTML = "<span class='loading'><img src='images/indicator_tiny.gif'> " +
 					__("Loading, please wait...") + "</span>";
-- 
2.39.2