[SWFObject] SUMMARY: Ongoing 'disspearing swfs'/'out of memory' errors issues

[Geoff Stearns]

Just updated SVN, you can get the compressed version of the file in  
this e-mail here:

http://svn.deconcept.com/swfobject/trunk/swfobject.js

please test all you can and let me know if you find any new or  
unfixed issues.


On Aug 2, 2006, at 2:00 PM, Geoff Stearns wrote:

> ok, I think i may have fixed this - just had to actually look at  
> what the temp. fix was doing and make it a little cleaner.
>
> attached you'll see a preview of swfobject 1.4.4 - if you are  
> having disspearing swf issues, please try using this file and let  
> me know if you still see the issue.
>
> So far using my multitude of collected test pages it looks pretty  
> good.
>
> i'll check this into svn as well in a few minutes.
>
> <swfobject_source.js>
>
> On Aug 2, 2006, at 1:30 PM, Geoff Stearns wrote:
>
>> here's a quick summary and a temporary fix for you all:
>>
>> Currently when you have a link on a page that uses
>> href="javacript:..." it triggers the onbeforeunload event in IE. This
>> is bad because in 1.4.3 I use the onbeforeunload event to remove some
>> code that Flash Player 9 inserts into the page to clean up swfs (this
>> is because of a bug in IE that causes streaming swf files to keep
>> playing even after you navigate away from the page - basically IE
>> sucks ass)
>>
>> Unfortunately, the code that Flash Player 9 inserts doesn't work so
>> well when you have more than one swf on the page - you get an "Out of
>> memory" error at line 56 when you leave the page. I have a very
>> similar function that does not cause the out of memory error that I
>> was using to replace the 'bad' function.
>>
>> Since I was using onbeforeunload to clear out the 'bad' function, you
>> can see how the above two issues cause problems, and this is why the
>> swfs are dissapearing.
>>
>> We did find a fix that we are using with the NBC universal video
>> player, which i'll share with you all who need temporary fixes.
>>
>> you can just place this function anywhere in your js or on the page
>> and it will take care of things for you. Just be warned that if you
>> already have an onunload event, this will delete it, so you'll have
>> to work around that on your own until I can come up with a cleaner
>> solution.
>>
>>
>> window.onbeforeunload = function() {
>> 	__flash_unloadHandler = function(){};
>> 	__flash_savedUnloadHandler = function(){};
>> 	window.onunload = deconcept.SWFObjectUtil.cleanupSWFs;
>> }
>>
>> using this in conjunction with SWFObject 1.4.2 (and maybe 1.4.3)
>> should be fine. You can get older swfobject versions from the SVN
>> repository here:
>>
>> http://svn.deconcept.com/swfobject/tags/
>>
>> Let me know if anyone has some ideas on a clean way to fix this, or
>> any other questions about it.
>>
>>
>>
>> On Aug 2, 2006, at 1:48 PM, geoff.+.nwo at neverbox.com wrote:
>>
>>>
>>> I use multiple SWF files on the same page AND they use flashvars  
>>> (i.e.
>>> they're clickable).
>>>
>>> On unloading the page, the entire browser gets stuck with a random
>>> error
>>> (sometimes an official error, sometimes it just closes, sometimes
>>> it gets
>>> stuck and requires ctrl+alt+del).
>>>
>>> Many people have tried it and it happens with IE, XP SP2 and every
>>> flash
>>> version since at least 6 (those files are made in v6).
>>>
>>> It was fixed as soon as I removed this function:
>>> for(var x in _2d[i]){
>>> if(typeof _2d[i][x]=="function"){_2d[i][x]=function(){};}}
>>>
>>> Only then I found out another annoying (yet harmless) problem -
>>> when you
>>> click any of the files, each and every SWF file in the page
>>> dissapears (of
>>> course, seconds later you're taken to another page, but still...).
>>> To fix this, I've deleted
>>> _2d[i].style.display="none";
>>>
>>> Or in other words, the entire loop of for(var i=0;i<_2d.length;i++){
>>>
>>> Geoff told me those functions have something to do with streaming
>>> content and
>>> I can safely remove them, but I'm trying to convince him that this
>>> problem
>>> affects everyone who uses multiple SWF files on the same page and
>>> they're
>>> clickable.
>>> _______________________________________________
>>> SWFObject mailing list
>>> SWFObject at lists.deconcept.com
>>> http://lists.deconcept.com/listinfo.cgi/swfobject-deconcept.com
>>
>> _______________________________________________
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>> SWFObject at lists.deconcept.com
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>
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