Firefox c2 loadingprogress NaN

Problem Description

C2 Runtime loadingprogress variable corrupted as NaN on Firefox since the Gecko engine does not report

e["loaded"] / e["total"]

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Steps to Reproduce Bug

• Step 1
• Step 2
• Step 3 etc.

Observed Result

Loading layout Progress indicator doesn't increase, can not be used to reliably identify loading progress

Expected Result

Code in c2runtime, should have a special condition for firefox, as the properties e["loaded"] / e["total"] are not available

if (typeof window.applicationCache !== "undefined")

{

window.applicationCache.addEventListener('updateready', function() {

self.runtime.loadingprogress = 1;

self.runtime.trigger(cr.plugins_.Browser.prototype.cnds.OnUpdateReady, self);

});

window.applicationCache.addEventListener('progress', function(e) {

self.runtime.loadingprogress = e["loaded"] / e["total"];

});

}

Affected Browsers

• FireFox: (YES)

Operating System and Service Pack

PC

Construct 2 Version ID

2r221 and earlier

I've changed the next build to return 0 in this case instead. Note the loading progress is not always guaranteed to be available, e.g. if the server does not provide the Content-Length header.