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Fix for https://webarchive.jira.com/browse/ARI-4150

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Hunter Stern 2014-12-19 14:17:50 -08:00
parent cf88b9968c
commit ae60205648
1 changed files with 45 additions and 1 deletions
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46
umbra/behaviors.d/facebook.js
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@ -22,10 +22,54 @@ var umbraAboveBelowOrOnScreen = function(e) {
// comments - 'a.UFIPagerLink > span, a.UFIPagerLink, span.UFIReplySocialSentenceLinkText'
var UMBRA_THINGS_TO_CLICK_SELECTOR = 'a[href^="/browse/likes"], *[rel="theater"]';
//div[class="phm pluginLikeboxStream"] = facebook widget embedded in 3rd party pages
var UMBRA_THINGS_TO_SCROLL_SELECTOR = 'div[class="phm pluginLikeboxStream"]';
var NUMBER_FAILED_SCROLL_ATTEMPTS_ON_THING_TO_SCROLL_BEFORE_STOP_SCROLLING = 5;
var umbraAlreadyClicked = {};
var umbraAlreadyScrolledThing = {};
var umbraScrolledThingFailedScrollAttempts = {};
var umbraState = {'idleSince':null,'expectingSomething':null,'bottomReachedScrollY':0};
var umbraIntervalFunc = function() {
var thingsToScroll = document.querySelectorAll(UMBRA_THINGS_TO_SCROLL_SELECTOR);
for (var i = 0; i < thingsToScroll.length; i++) {
var target = thingsToScroll[i];
if (!(target in umbraAlreadyScrolledThing)) {
console.log("scrolling to " + target.scrollHeight + " on " + target.outerHTML);
var lastScrollTop = target.scrollTop;
target.scrollTop = target.scrollHeight;
umbraState.idleSince = null;
if (target.scrollTop >= target.scrollHeight) {
umbraAlreadyScrolledThing[target] = true;
}
else if (target.scrollTop == lastScrollTop) {
if (umbraScrolledThingFailedScrollAttempts[target]) {
umbraScrolledThingFailedScrollAttempts[target]++;
}
else {
umbraScrolledThingFailedScrollAttempts[target] = 1;
}
if (umbraScrolledThingFailedScrollAttempts[target] == NUMBER_FAILED_SCROLL_ATTEMPTS_ON_THING_TO_SCROLL_BEFORE_STOP_SCROLLING) {
umbraAlreadyScrolledThing[target] = true;
}
}
else {
//reset failed count on a successful scroll
umbraScrolledThingFailedScrollAttempts[target] = 0;
}
}
else {
console.log("done scrolling for " + target.outerHTML)
}
}
var closeButtons = document.querySelectorAll('a[title="Close"], a.closeTheater');
for (var i = 0; i < closeButtons.length; i++) {
// XXX closeTheater buttons stick around in the dom after closing, clientWidth>0 is one way to check if they're visible
@ -75,7 +119,7 @@ var umbraIntervalFunc = function() {
}
}
}
if (window.scrollY > umbraState.bottomReachedScrollY) {
umbraState.bottomReachedScrollY = window.scrollY;
}