detect xmlhttp deadlocks in view()

This commit is contained in:
Andrew Dolgov 2006-11-23 06:26:49 +01:00
parent 7086277caf
commit 4b6206fa97
1 changed files with 27 additions and 17 deletions

View File

@ -1,5 +1,6 @@
var active_post_id = false;
var _catchup_callback_func = false;
var last_article_view = false;
function catchup_callback() {
if (xmlhttp_rpc.readyState == 4) {
@ -39,6 +40,10 @@ function article_callback() {
f.scrollTop = 0;
} catch (e) { };
f.innerHTML = xmlhttp.responseText;
var date = new Date();
last_article_view = date.getTime() / 1000;
if (typeof correctPNG != 'undefined') {
correctPNG();
}
@ -53,30 +58,35 @@ function view(id, feed_id) {
enableHotkeys();
var crow = document.getElementById("RROW-" + id);
active_post_id = id;
//setActiveFeedId(feed_id);
crow.className = crow.className.replace("Unread", "");
var query = "backend.php?op=view&id=" + param_escape(id) +
"&feed=" + param_escape(feed_id);
var date = new Date();
if (!xmlhttp_ready(xmlhttp) && last_article_view < date.getTime() / 1000 - 15) {
debug("<b>xmlhttp seems to be stuck at view, aborting</b>");
xmlhttp.abort();
}
if (xmlhttp_ready(xmlhttp)) {
cleanSelected("headlinesList");
var upd_img_pic = document.getElementById("FUPDPIC-" + id);
var crow = document.getElementById("RROW-" + active_post_id);
crow.className = crow.className.replace("Unread", "");
var upd_img_pic = document.getElementById("FUPDPIC-" + active_post_id);
if (upd_img_pic) {
upd_img_pic.src = "images/blank_icon.gif";
}
active_post_id = id;
//setActiveFeedId(feed_id);
var content = document.getElementById("content-frame");
selectTableRowsByIdPrefix('headlinesList', 'RROW-', 'RCHK-', false);
markHeadline(active_post_id);
var query = "backend.php?op=view&id=" + param_escape(id) +
"&feed=" + param_escape(feed_id);
if (xmlhttp_ready(xmlhttp)) {
xmlhttp.open("GET", query, true);
xmlhttp.onreadystatechange=article_callback;
xmlhttp.send(null);