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further improve headline appending speed

This commit is contained in:
Andrew Dolgov 2012-10-31 23:00:40 +04:00
parent 16c937680f
commit b926f38750
1 changed files with 6 additions and 10 deletions
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16
js/viewfeed.js
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@ -116,7 +116,7 @@ function headlines_callback2(transport, offset, background, infscroll_req) {
var c = dijit.byId("headlines-frame");
var ids = getSelectedArticleIds2();
var num_added = 0;
var new_elems = [];
$("headlines-tmp").innerHTML = reply['headlines']['content'];
@ -127,15 +127,13 @@ function headlines_callback2(transport, offset, background, infscroll_req) {
$$("#headlines-tmp > div").each(function(row) {
if (row.className == 'cdmFeedTitle') {
row.addClassName('new');
row.style.display = 'none';
c.domNode.appendChild(row);
++num_added;
new_elems.push(row);
} else if (loaded_article_ids.indexOf(row.id) == -1) {
row.style.display = 'none';
row.addClassName('new');
c.domNode.appendChild(row);
++num_added;
new_elems.push(row);
loaded_article_ids.push(row.id);
} else {
row.parentNode.removeChild(row);
@ -150,9 +148,9 @@ function headlines_callback2(transport, offset, background, infscroll_req) {
c.domNode.appendChild(hsp);
}
console.log("added " + num_added + " headlines");
console.log("added " + new_elems.size() + " headlines");
if (num_added == 0)
if (new_elems.size() == 0)
_infscroll_disable = true;
console.log("restore selected ids: " + ids);
@ -163,9 +161,7 @@ function headlines_callback2(transport, offset, background, infscroll_req) {
initHeadlinesMenu();
$$("#headlines-frame > div[class*=new]").each(
function(child) {
child.removeClassName('new');
new_elems.each(function(child) {
if (!Element.visible(child))
new Effect.Appear(child, { duration : 0.5 });
});