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while cdm_auto_catchup is enabled, after scrolling set active article to the topmost visible in the buffer so that n/p hotkeys would not reset scrolling position

This commit is contained in:
Andrew Dolgov 2013-05-16 09:53:34 +04:00
parent 2700440178
commit 48be35ca06
1 changed files with 25 additions and 0 deletions
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25
js/viewfeed.js
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@ -1240,6 +1240,30 @@ function headlines_scroll_handler(e) {
unpackVisibleHeadlines(); unpackVisibleHeadlines();
var active_found = false;
// set topmost child in the buffer as active
if (getInitParam("cdm_auto_catchup") == 1) {
var rows = $$("#headlines-frame > div[id*=RROW]");
for (var i = 0; i < rows.length; i++) {
var child = rows[i];
if (!active_found && $("headlines-frame").scrollTop < child.offsetTop) {
active_found = true;
if (_active_article_id) {
var row = $("RROW-" + _active_article_id);
if (row) row.removeClassName("active");
}
_active_article_id = child.id.replace("RROW-", "");
showArticleInHeadlines(_active_article_id, true);
break;
}
}
}
if (!_infscroll_disable) { if (!_infscroll_disable) {
if ((hsp && e.scrollTop + e.offsetHeight >= hsp.offsetTop - hsp.offsetHeight) || if ((hsp && e.scrollTop + e.offsetHeight >= hsp.offsetTop - hsp.offsetHeight) ||
(e.scrollHeight != 0 && (e.scrollHeight != 0 &&
@ -1275,6 +1299,7 @@ function headlines_scroll_handler(e) {
//console.log("auto_catchup_batch: " + catchup_id_batch.toString()); //console.log("auto_catchup_batch: " + catchup_id_batch.toString());
} }
}); });
if (catchup_id_batch.length > 0) { if (catchup_id_batch.length > 0) {