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increase headline appending/dupe checking performance

This commit is contained in:
Andrew Dolgov 2012-10-31 22:55:35 +04:00
parent 32532f1c0f
commit 16c937680f
1 changed files with 8 additions and 2 deletions
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10
js/viewfeed.js
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@ -13,6 +13,7 @@ var feed_precache_timeout_id = false;
var precache_idle_timeout_id = false;
var cids_requested = [];
var loaded_article_ids = [];
var has_storage = 'sessionStorage' in window && window['sessionStorage'] !== null;
@ -78,6 +79,8 @@ function headlines_callback2(transport, offset, background, infscroll_req) {
//var runtime_info = reply['runtime-info'];
if (offset == 0 && infscroll_req == false) {
loaded_article_ids = [];
dijit.byId("headlines-frame").attr('content',
reply['headlines']['content']);
@ -85,8 +88,10 @@ function headlines_callback2(transport, offset, background, infscroll_req) {
reply['headlines']['toolbar']);
$$("#headlines-frame > div[id*=RROW]").each(function(row) {
if ($$("#headlines-frame DIV[id="+row.id+"]").length > 1) {
if (loaded_article_ids.indexOf(row.id) != -1) {
row.parentNode.removeChild(row);
} else {
loaded_article_ids.push(row.id);
}
});
@ -126,11 +131,12 @@ function headlines_callback2(transport, offset, background, infscroll_req) {
row.style.display = 'none';
c.domNode.appendChild(row);
++num_added;
} else if ($$("#headlines-frame DIV[id="+row.id+"]").length == 0) {
} else if (loaded_article_ids.indexOf(row.id) == -1) {
row.style.display = 'none';
row.addClassName('new');
c.domNode.appendChild(row);
++num_added;
loaded_article_ids.push(row.id);
} else {
row.parentNode.removeChild(row);
}