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implement CDM auto-catchup for articles

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This commit is contained in:
Andrew Dolgov 2007-01-25 10:12:33 +01:00
parent 2dd2c13bf9
commit ba0978c86d
2 changed files with 84 additions and 3 deletions
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6
backend.php
View file

@ -534,9 +534,9 @@
print "<div class=\"cdmHeader\">";
print "<div style=\"float : right\">$updated_fmt,
<a class=\"cdmToggleLink\"
href=\"javascript:toggleUnread($id)\">Toggle unread</a>
print "<div style=\"float : right\">$updated_fmt $id
<!-- <a class=\"cdmToggleLink\"
href=\"javascript:toggleUnread($id)\">Toggle unread</a> -->
</div>";
print "<a class=\"title\"

81
viewfeed.js
View file

@ -9,6 +9,9 @@ var _tag_active_feed_id = false;
// FIXME: kludge, needs proper implementation
var _reload_feedlist_after_view = false;
var _cdm_wd_timeout = false;
var _cdm_wd_vishist = new Array();
function catchup_callback() {
if (xmlhttp_rpc.readyState == 4) {
try {
@ -35,6 +38,15 @@ function headlines_callback() {
if (typeof correctPNG != 'undefined') {
correctPNG();
}
if (_cdm_wd_timeout) window.clearTimeout(_cdm_wd_timeout);
if (!document.getElementById("headlinesList")) {
debug("starting CDM watchdog");
_cdm_wd_timeout = window.setTimeout("cdmWatchdog()", 5000);
_cdm_wd_vishist = new Array();
}
notify("");
}
}
@ -514,3 +526,72 @@ function editTagsInsert() {
exception_error(e, "editTagsInsert");
}
}
function cdmWatchdog() {
try {
var ctr = document.getElementById("headlinesInnerContainer");
if (!ctr.hasChildNodes()) return;
var ids = new Array();
var e = ctr.firstChild;
while (e) {
if (e.className && e.className == "cdmArticleUnread" && 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) {
// debug(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-", ""));
}
}
e = e.nextSibling;
}
debug("cdmWatchdog, ids= " + ids.toString());
if (ids.length > 0 && xmlhttp_ready(xmlhttp_rpc)) {
for (var i = 0; i < ids.length; i++) {
var e = document.getElementById("RROW-" + ids[i]);
if (e) {
e.className = e.className.replace("Unread", "");
}
}
var query = "backend.php?op=rpc&subop=catchupSelected&ids=" +
param_escape(ids.toString()) + "&cmode=0";
/* xmlhttp_rpc.open("GET", query, true);
xmlhttp_rpc.onreadystatechange=all_counters_callback;
xmlhttp_rpc.send(null); */
}
_cdm_wd_timeout = window.setTimeout("cdmWatchdog()", 5000);
} catch (e) {
exception_error(e, "cdmWatchdog");
}
}