parse_counters: cache previous reply and skip processing of unchanged rows

diff --git a/js/feedlist.js b/js/feedlist.js
index e66a0c1b6a8017bd7fa7f0b589ad7b61573f70de..232cf0be1a8987d1e59e55e2f975791b27b22e2c 100644 (file)
--- a/js/feedlist.js
+++ b/js/feedlist.js
@@ -6,11 +6,12 @@ var _viewfeed_last = 0;
 var _viewfeed_timeout = false;
 
 var counters_last_request = 0;
+var _counters_prev = [];
 
-function viewCategory(cat) {
+/*function viewCategory(cat) {
        viewfeed({feed: cat, is_cat: true});
        return false;
-}
+}*/
 
 function loadMoreHeadlines() {
        try {
@@ -253,10 +254,18 @@ function request_counters(force) {
        }
 }
 
-function parse_counters(elems, scheduled_call) {
+function parse_counters(elems) {
        try {
                for (var l = 0; l < elems.length; l++) {
 
+                       if (_counters_prev[l]  &&
+                               _counters_prev[l].id == elems[l].id &&
+                               _counters_prev[l].updated == elems[l].updated &&
+                               _counters_prev[l].counter == elems[l].counter) {
+
+                               continue;
+                       }
+
                        var id = elems[l].id;
                        var kind = elems[l].kind;
                        var ctr = parseInt(elems[l].counter);
@@ -300,6 +309,8 @@ function parse_counters(elems, scheduled_call) {
 
                hideOrShowFeeds(getInitParam("hide_read_feeds") == 1);
 
+               _counters_prev = elems;
+
        } catch (e) {
                exception_error("parse_counters", e);
        }