770642 - Gif animation stops if it is placed inside <panel>

Status: RESOLVED WORKSFORME

(Core :: Layout, defect)

Description

[Alice0775 White]

Build Identifier:
http://hg.mozilla.org/mozilla-central/rev/e61399f31505
Mozilla/5.0 (Windows NT 6.1; WOW64; rv:16.0) Gecko/16.0 Firefox/16.0 ID:20120703041519

Gif animation stops if it is placed in <panel> and then panel.openPopup.
Maybe related to Bug 770575

Steps to Reproduce:

1. Start Firefox with clean profile
2. Open Error Console (Ctrl+Shift+J)
3. Paste the following to textbox
4. Evaluate

top.opener.focus();
var bar = top.opener.document.getElementById('nav-bar');
var panel= top.opener.document.createElement('panel');
var vbox= top.opener.document.createElement('vbox');
var img = top.opener.document.createElement('image');
bar.appendChild(panel);
panel.appendChild(vbox);
vbox.appendChild(img);
img.setAttribute('src','https://bugzilla.mozilla.org/extensions/BMO/web/images/mozchomp.gif');
panel.setAttribute('noautohide',true);
panel.openPopup(top.opener.gBrowser,'overlap',0,0,false,false);



Actual Results:
  Gif animation stops 

Expected Results:
  Should not

regression window:
Good:
http://hg.mozilla.org/integration/mozilla-inbound/rev/d7aa6473ce02
Mozilla/5.0 (Windows NT 6.1; WOW64; rv:16.0) Gecko/16.0 Firefox/16.0 ID:20120702191150
Bad:
http://hg.mozilla.org/integration/mozilla-inbound/rev/921c2e13b45e
Mozilla/5.0 (Windows NT 6.1; WOW64; rv:16.0) Gecko/16.0 Firefox/16.0 ID:20120702192750
Pushlog:
http://hg.mozilla.org/integration/mozilla-inbound/pushloghtml?fromchange=d7aa6473ce02&tochange=921c2e13b45e

Suspected:Bug 770058

Comment 1

[Alice0775 White]

I cannot reproduce any more, Works for me in Firefox16.0.2 and later