From 6cc1fab32228f509db4ecf2fa7973cc7c46a8ac7 Mon Sep 17 00:00:00 2001
From: Andrew Dolgov <fox@madoka.spb.ru>
Date: Wed, 21 May 2008 05:38:28 +0100
Subject: [PATCH] check for failures to request counters in async way after
 viewfeed/view

---
 backend.php  | 13 +++++++++++--
 feedlist.js  |  6 +++++-
 functions.js |  5 ++++-
 viewfeed.js  |  4 ++++
 4 files changed, 24 insertions(+), 4 deletions(-)

diff --git a/backend.php b/backend.php
index 20411cc0a..8cf5c1691 100644
--- a/backend.php
+++ b/backend.php
@@ -193,6 +193,8 @@
 			$mode = db_escape_string($_GET["mode"]);
 			$omode = db_escape_string($_GET["omode"]);
 
+			$csync = $_GET["csync"];
+
 			print "<reply>";
 
 			// in prefetch mode we only output requested cids, main article 
@@ -210,7 +212,7 @@
 				}
 			}
 
-			if ($mode != "prefetch_old") {
+			if ($mode != "prefetch_old" && !$csync) {
 				print "<counters>";
 				getAllCounters($link, $omode);
 				print "</counters>";
@@ -238,6 +240,7 @@
 			$next_unread_feed = db_escape_string($_GET["nuf"]);
 			$offset = db_escape_string($_GET["skip"]);
 			$vgroup_last_feed = db_escape_string($_GET["vgrlf"]);
+			$csync = $_GET["csync"];
 
 			set_pref($link, "_DEFAULT_VIEW_MODE", $view_mode);
 			set_pref($link, "_DEFAULT_VIEW_LIMIT", $limit);
@@ -288,7 +291,13 @@
 
 			if ($_GET["debug"]) $timing_info = print_checkpoint("20", $timing_info);
 
-			if (time() - $_SESSION["get_all_counters_stamp"] > 300) {
+			$viewfeed_ctr_interval = 300;
+
+			if ($csync) {
+				$viewfeed_ctr_interval = 60;
+			}
+
+			if (time() - $_SESSION["get_all_counters_stamp"] > $viewfeed_ctr_interval) {
 				print "<counters>";
 				getAllCounters($link, $omode, $feed);
 				print "</counters>";
diff --git a/feedlist.js b/feedlist.js
index 4f5c8d775..1cd784524 100644
--- a/feedlist.js
+++ b/feedlist.js
@@ -168,6 +168,10 @@ function viewfeed(feed, subop, is_cat, subop_param, skip_history, offset) {
 			query = query + "&omode=flc";
 		}
 
+		if (!async_counters_work) {
+			query = query + "&csync=true";
+		}
+
 		debug(query);
 
 		var container = document.getElementById("headlinesInnerContainer");
@@ -517,7 +521,7 @@ function request_counters_real() {
 		new Ajax.Request(query, {
 			onComplete: function(transport) { 
 				try {
-					all_counters_callback2(transport);
+					all_counters_callback2(transport, true);
 				} catch (e) {
 					exception_error("viewfeed/getcounters", e);
 				}
diff --git a/functions.js b/functions.js
index b3673b03f..456b65af7 100644
--- a/functions.js
+++ b/functions.js
@@ -2,6 +2,7 @@ var hotkeys_enabled = true;
 var xmlhttp_rpc = Ajax.getTransport();
 var notify_silent = false;
 var last_progress_point = 0;
+var async_counters_work = false;
 
 /* add method to remove element from array */
 
@@ -626,8 +627,10 @@ function parse_counters_reply(transport, scheduled_call) {
 
 }
 
-function all_counters_callback2(transport) {
+function all_counters_callback2(transport, async_call) {
 	try {
+		if (async_call) async_counters_work = true;
+
 		debug("<b>all_counters_callback2 IN: " + transport + "</b>");
 		parse_counters_reply(transport);
 		debug("<b>all_counters_callback2 OUT: " + transport + "</b>");
diff --git a/viewfeed.js b/viewfeed.js
index 73417c3d5..3336dda68 100644
--- a/viewfeed.js
+++ b/viewfeed.js
@@ -431,6 +431,10 @@ function view(id, feed_id, skip_history) {
 		var crow = document.getElementById("RROW-" + id);
 		var article_is_unread = crow.className.match("Unread");
 
+		if (!async_counters_work) {
+			query = query + "&csync=true";
+		}
+
 		if (!cached_article) {
 
 			notify_progress("Loading, please wait...");