rework cdm autocatchup

This commit is contained in:
Andrew Dolgov 2011-03-06 09:42:21 +03:00
parent ab4b768ff9
commit 21426d3aae

View file

@ -2,9 +2,6 @@ var active_post_id = false;
var last_article_view = false;
var active_real_feed_id = false;
var _cdm_wd_timeout = false;
var _cdm_wd_vishist = new Array();
var article_cache = new Array();
var vgroup_last_feed = false;
@ -172,17 +169,6 @@ function headlines_callback2(transport, feed_cur_page) {
}
if (_cdm_wd_timeout) window.clearTimeout(_cdm_wd_timeout);
if (isCdmMode() &&
getActiveFeedId() != -3 &&
getInitParam("cdm_auto_catchup") == 1) {
console.log("starting CDM watchdog");
_cdm_wd_timeout = window.setTimeout("cdmWatchdog()", 5000);
_cdm_wd_vishist = new Array();
} else {
console.log("not in CDM mode or watchdog disabled");
}
_feed_cur_page = feed_cur_page;
_infscroll_request_sent = 0;
@ -1145,87 +1131,6 @@ function cdmScrollToArticleId(id) {
}
}
function cdmWatchdog() {
try {
var ctr = $("headlines-frame");
if (!ctr) return;
var ids = new Array();
var e = ctr.firstChild;
while (e) {
if (e.className && e.hasClassName("Unread") && e.id &&
e.id.match("RROW-")) {
// article fits in viewport OR article is longer than viewport and
// its bottom is visible
if (ctr.scrollTop <= e.offsetTop && e.offsetTop + e.offsetHeight <=
ctr.scrollTop + ctr.offsetHeight) {
// console.log(e.id + " is visible " + e.offsetTop + "." +
// (e.offsetTop + e.offsetHeight) + " vs " + ctr.scrollTop + "." +
// (ctr.scrollTop + ctr.offsetHeight));
ids.push(e.id.replace("RROW-", ""));
} else if (e.offsetHeight > ctr.offsetHeight &&
e.offsetTop + e.offsetHeight >= ctr.scrollTop &&
e.offsetTop + e.offsetHeight <= ctr.scrollTop + ctr.offsetHeight) {
ids.push(e.id.replace("RROW-", ""));
}
// method 2: article bottom is visible and is in upper 1/2 of the viewport
/* if (e.offsetTop + e.offsetHeight >= ctr.scrollTop &&
e.offsetTop + e.offsetHeight <= ctr.scrollTop + ctr.offsetHeight/2) {
ids.push(e.id.replace("RROW-", ""));
} */
}
e = e.nextSibling;
}
console.log("cdmWatchdog, ids= " + ids.toString());
if (ids.length > 0) {
for (var i = 0; i < ids.length; i++) {
var e = $("RROW-" + ids[i]);
if (e) {
e.removeClassName("Unread");
}
}
var query = "?op=rpc&subop=catchupSelected" +
"&cmode=0" + "&ids=" + param_escape(ids.toString());
new Ajax.Request("backend.php", {
parameters: query,
onComplete: function(transport) {
handle_rpc_json(transport);
} });
}
_cdm_wd_timeout = window.setTimeout("cdmWatchdog()", 4000);
} catch (e) {
exception_error("cdmWatchdog", e);
}
}
function cache_inject(id, article, param) {
try {
@ -1505,6 +1410,37 @@ function headlines_scroll_handler(e) {
}
}
if (isCdmMode() && getInitParam("cdm_auto_catchup") == 1) {
var ids = [];
$$("#headlines-frame > div[id*=RROW][class*=Unread]").each(
function(child) {
if ($("headlines-frame").scrollTop >
(child.offsetTop + child.offsetHeight)) {
ids.push(child.id.replace("RROW-", ""));
}
});
if (ids.length > 0) {
var query = "?op=rpc&subop=catchupSelected" +
"&cmode=0&ids=" + param_escape(ids.toString());
new Ajax.Request("backend.php", {
parameters: query,
onComplete: function(transport) {
handle_rpc_json(transport);
ids.each(function(id) {
var elem = $("RROW-" + id);
if (elem) elem.removeClassName("Unread");
});
} });
}
}
} catch (e) {
exception_error("headlines_scroll_handler", e);
}