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headlines_callback: async

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master
Andrew Dolgov 17 years ago
parent 0df398da2c
commit a49f5e055e
2 changed files with 84 additions and 81 deletions
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19
feedlist.js
Unescape Escape View File

@ -1,6 +1,6 @@
//var xmlhttp = Ajax.getTransport();
var feed_cur_page = 0;
var _feed_cur_page = 0;
function viewCategory(cat) {
active_feed_is_cat = true;
@ -50,10 +50,10 @@ function viewNextFeedPage() {
try {
if (!getActiveFeedId()) return;
feed_cur_page++;
_feed_cur_page++;
viewfeed(getActiveFeedId(), undefined, undefined, undefined,
undefined, feed_cur_page);
undefined, _feed_cur_page);
} catch (e) {
exception_error(e, "viewFeedGoPage");
@ -71,11 +71,11 @@ function viewfeed(feed, subop, is_cat, subop_param, skip_history, offset) {
page_offset = offset;
} else {
page_offset = 0;
feed_cur_page = 0;
_feed_cur_page = 0;
}
if (getActiveFeedId() != feed) {
feed_cur_page = 0;
_feed_cur_page = 0;
active_post_id = 0;
}
@ -178,13 +178,18 @@ function viewfeed(feed, subop, is_cat, subop_param, skip_history, offset) {
// xmlhttp.abort();
if (xmlhttp_ready(xmlhttp)) {
/* if (xmlhttp_ready(xmlhttp)) {
xmlhttp.open("GET", query, true);
xmlhttp.onreadystatechange=headlines_callback;
xmlhttp.send(null);
} else {
debug("xmlhttp busy (@feeds)");
}
} */
new Ajax.Request(query, {
onComplete: function(transport) {
headlines_callback2(transport, feed, is_cat, _feed_cur_page);
} });
} catch (e) {
exception_error("viewfeed", e);

146
viewfeed.js
Unescape Escape View File

@ -45,104 +45,102 @@ function catchup_callback2(transport, callback) {
}
}
function headlines_callback() {
if (xmlhttp.readyState == 4) {
debug("headlines_callback");
var f = document.getElementById("headlines-frame");
try {
if (feed_cur_page == 0) {
debug("resetting headlines scrollTop");
f.scrollTop = 0;
}
} catch (e) { };
function headlines_callback2(transport, active_feed_id, active_feed_is_cat, feed_cur_page) {
debug("headlines_callback2");
var f = document.getElementById("headlines-frame");
try {
if (feed_cur_page == 0) {
debug("resetting headlines scrollTop");
f.scrollTop = 0;
}
} catch (e) { };
if (xmlhttp.responseXML) {
var headlines = xmlhttp.responseXML.getElementsByTagName("headlines")[0];
var counters = xmlhttp.responseXML.getElementsByTagName("counters")[0];
var articles = xmlhttp.responseXML.getElementsByTagName("article");
var runtime_info = xmlhttp.responseXML.getElementsByTagName("runtime-info");
if (transport.responseXML) {
var headlines = transport.responseXML.getElementsByTagName("headlines")[0];
var counters = transport.responseXML.getElementsByTagName("counters")[0];
var articles = transport.responseXML.getElementsByTagName("article");
var runtime_info = transport.responseXML.getElementsByTagName("runtime-info");
if (feed_cur_page == 0) {
if (headlines) {
f.innerHTML = headlines.firstChild.nodeValue;
} else {
debug("headlines_callback: returned no data");
f.innerHTML = "<div class='whiteBox'>" + __('Could not update headlines (missing XML data)') + "</div>";
}
if (feed_cur_page == 0) {
if (headlines) {
f.innerHTML = headlines.firstChild.nodeValue;
} else {
if (headlines) {
debug("adding some more headlines...");
debug("headlines_callback: returned no data");
f.innerHTML = "<div class='whiteBox'>" + __('Could not update headlines (missing XML data)') + "</div>";
var c = document.getElementById("headlinesList");
}
} else {
if (headlines) {
debug("adding some more headlines...");
if (!c) {
c = document.getElementById("headlinesInnerContainer");
}
var c = document.getElementById("headlinesList");
c.innerHTML = c.innerHTML + headlines.firstChild.nodeValue;
} else {
debug("headlines_callback: returned no data");
notify_error("Error while trying to load more headlines");
if (!c) {
c = document.getElementById("headlinesInnerContainer");
}
}
if (articles) {
for (var i = 0; i < articles.length; i++) {
var a_id = articles[i].getAttribute("id");
debug("found id: " + a_id);
cache_inject(a_id, articles[i].firstChild.nodeValue);
}
c.innerHTML = c.innerHTML + headlines.firstChild.nodeValue;
} else {
debug("no cached articles received");
debug("headlines_callback: returned no data");
notify_error("Error while trying to load more headlines");
}
if (counters) {
debug("parsing piggybacked counters: " + counters);
parse_counters(counters, false);
} else {
debug("counters container not found in reply");
}
}
if (runtime_info) {
debug("parsing runtime info: " + runtime_info[0]);
parse_runtime_info(runtime_info[0]);
} else {
debug("counters container not found in reply");
if (articles) {
for (var i = 0; i < articles.length; i++) {
var a_id = articles[i].getAttribute("id");
debug("found id: " + a_id);
cache_inject(a_id, articles[i].firstChild.nodeValue);
}
} else {
debug("headlines_callback: returned no XML object");
f.innerHTML = "<div class='whiteBox'>" + __('Could not update headlines (missing XML object)') + "</div>";
debug("no cached articles received");
}
if (typeof correctPNG != 'undefined') {
correctPNG();
if (counters) {
debug("parsing piggybacked counters: " + counters);
parse_counters(counters, false);
} else {
debug("counters container not found in reply");
}
if (_cdm_wd_timeout) window.clearTimeout(_cdm_wd_timeout);
if (!document.getElementById("headlinesList") &&
getInitParam("cdm_auto_catchup") == 1) {
debug("starting CDM watchdog");
_cdm_wd_timeout = window.setTimeout("cdmWatchdog()", 5000);
_cdm_wd_vishist = new Array();
if (runtime_info) {
debug("parsing runtime info: " + runtime_info[0]);
parse_runtime_info(runtime_info[0]);
} else {
debug("not in CDM mode or watchdog disabled");
debug("counters container not found in reply");
}
if (_tag_cdm_scroll) {
try {
document.getElementById("headlinesInnerContainer").scrollTop = _tag_cdm_scroll;
_tag_cdm_scroll = false;
debug("resetting headlinesInner scrollTop");
} else {
debug("headlines_callback: returned no XML object");
f.innerHTML = "<div class='whiteBox'>" + __('Could not update headlines (missing XML object)') + "</div>";
}
} catch (e) { }
}
if (typeof correctPNG != 'undefined') {
correctPNG();
}
notify("");
if (_cdm_wd_timeout) window.clearTimeout(_cdm_wd_timeout);
if (!document.getElementById("headlinesList") &&
getInitParam("cdm_auto_catchup") == 1) {
debug("starting CDM watchdog");
_cdm_wd_timeout = window.setTimeout("cdmWatchdog()", 5000);
_cdm_wd_vishist = new Array();
} else {
debug("not in CDM mode or watchdog disabled");
}
if (_tag_cdm_scroll) {
try {
document.getElementById("headlinesInnerContainer").scrollTop = _tag_cdm_scroll;
_tag_cdm_scroll = false;
debug("resetting headlinesInner scrollTop");
} catch (e) { }
}
notify("");
}
function render_article(article) {

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