Dietrich Streifert schrieb:
> Is the "full" disposing needed for a page unload?
>
> Would it be enough to have a light version of the dispose code for the
> page unload case?
I am sorry. But this is not possible. You must dispose this otherwise
you will have memory leaks. The only possibility is to make the disposer
itself faster.
Sebastian
>
>
>
> Sebastian Werner schrieb:
>> Dietrich Streifert schrieb:
>>
>>> Thank you Sebastian!
>>>
>>> Now I think I got the path:
>>>
>>> qx.core.Object has a class method called dispose and an instance method
>>> called dispose.
>>>
>>> Every instance of qx.core.Object is stored in the class attribute
>>> qx.Class._db at instantiation time (by the constructor):
>>>
>>> qx.core.Object._db.push(this);
>>>
>>> The onunload event of the document fires the disposition of all
>>> qx.core.Objects in the _db array by calling qx.Class.dispose. The
>>> codepart with does the dispose is:
>>>
>>> for (var i=qx.core.Object._db.length-1; i>=0; i--)
>>> {
>>> vObject = qx.core.Object._db[i];
>>>
>>> if (vObject != null)
>>> {
>>> // logger.debug("Disposing: " + vObject);
>>> vObject.dispose();
>>> qx.core.Object._db[i] = null;
>>> }
>>> }
>>>
>>> so the the dispose method of each instance of qx.core.Object (and its
>>> subclasses) gets called.
>>>
>>> In the instance dispose method the object properties and the object
>>> userdata instances get deleted.
>>> At the bottom of the dispose method there is a code part which I don't
>>> understand:
>>>
>>> // Delete Entry from Object DB
>>> qx.core.Object._db[this._hashCode] = null;
>>> delete qx.core.Object._db[this._hashCode];
>>>
>>> So first the object reference is nulled and then it is deleted?
>>>
>>>
>>>
>>
>> Yes, and mhh, this is not needed. The first (nullify) should be enough.
>>
>> Sebastian
>>
>> -- snip --
>>
>>
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>
> --
> Mit freundlichen Grüßen
> Dietrich Streifert
> Visionet GmbH
>
>
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