Re: [Dynapi-Dev] DynLayers elements not destroyed.

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Currently I am dubugging a problem with the graphics object.
It seems that the vml shape triggers mouse events..
unfortunatly the mouse fil in IE faile miserably..
the line: (82)
var tt=target.type;
throws an error of "Failed" when you run the mouse over the shape you have
drawn with the vml object.

----- Original Message -----
From: "Raymond Irving" <xw...@ya...>
To: "Dynapi-Dev" <Dyn...@li...>
Sent: Monday, April 07, 2003 4:23 PM
Subject: Re: [Dynapi-Dev] DynLayers elements not destroyed.

>
> Please see below:
>
> --- Doug Melvin <do...@cr...> wrote:
> > Ns 4 most certainly does have a memory management
> > bug (or bugs actually)
> > I distincly recall several months dedicated to a
> > work around.
> > The result was we implemented a recyled layer array.
> > In Ns when we try to deleet a DynLayer,
> > We simply removed it from it's parent, hid it and
> > placed it in the recycled
> > array.
> > When creating aDynLayer in Ns 4 we first checked to
> > see if there where any
> > DynLayer to recycle,
> > if so, we used one of those instead of creating anew
> > one.
> >
> > From DynLayer.specificCreate (DynAPI 2.6)
> >   var recycled = this.parent.doc.recycled;
> >   if (this.created)
> >    recycled = [];
> >   if (recycled && recycled.length > 0) {
> >    this.elm = recycled[recycled.length-1];
> >    recycled.length--;
> >   } else {
> >    this.elm = new Layer(this.w, this.parent.elm);
> >    this.elm.captureEvents(Event.LOAD);
> >    this.elm.onLoad = function() {};
> >   };
> >
> > From DynLayer.specificRemove (DynAPI 2.6)
> >   if (!this.wasBuiltInline) {
> >    if (!this.parent.doc.recycled)
> >     this.parent.doc.recycled = [];
> >
> >
> this.parent.doc.recycled[this.parent.doc.recycled.length]
> > = this.elm;
> >   };
> >   this.wasBuiltInline = false;
> >   this.elm.viisibility = 'hide';
>
> Wow! The question now is who will implement this
> feature into the dynlayer_ns4.js file?
>
> --
> Raymond Irving
>
> > ----- Original Message -----
> > From: "Kevin" <ke...@ke...>
> > To: "Dynapi-Dev" <Dyn...@li...>
> > Sent: Monday, April 07, 2003 3:20 PM
> > Subject: Re: [Dynapi-Dev] DynLayers elements not
> > destroyed.
> >
> >
> > > See below:
> > >
> > > "Raymond Irving" <xw...@ya...> wrote:
> > >
> > > > See below:
> > > >
> > > > --- Kevin <ke...@ke...> wrote:
> > > > > Hello,
> > > > >
> > > > > If elements are removed and then some more are
> > added
> > > > > we may have a memory leak. Using Mozilla and
> > > > > example:
> > > > > dynapi.api.dynlayer-destroy.html
> > > > > the elements aren't removed when the Destroy
> > all
> > > > > link is
> > > > > clicked.
> > > > >
> > > > > Suggested fix
> > > > > dynlayer_base.js:p._remove
> > > > >
> > > > > -this.elm.innerHTML = "";
> > > > > -this.elm.outerHTML = "";
> > > > > +//this.elm.innerHTML = "";
> > > > > +//this.elm.outerHTML = "";
> > > > > +var p=this.parent.elm;
> > > > > +if(p) p.removeChild(this.elm);
> > > > >
> > > > > This seems to work fine in IE too..
> > > >
> > > > I've added the above as well.
> > > >
> > > > > NS4 has a recycled array in
> > > > > dynlayer_ns4.js:p._remove
> > > > > but I don't see the space reused. Do we have
> > growing
> > > > > memory here and perhaps the Layer should be
> > deleted
> > > > > rather than hidden?
> > > >
> > > > Well, IMO if they're stored inside a recycle
> > array
> > > > then they should be reused. Any ideas on how we
> > should
> > > > do this?
> > >
> > > No ideas as we do, new Layer() or delete and not
> > an OS
> > > specific malloc or free. NS4 may have memory
> > management
> > > bugs as Doug says. Who implemented the recycled
> > array?
> > > Perhaps it was an NS4 bug work around, as doing a
> > delete
> > > on a Layer was proven to be bad news?
> > >
> > > -
> > > Kevin
> > >
> > > > --
> > > > Raymond Irving
> > > >
> > > > > -
> > > > > Kevin.
> > > > >
> > > > >
> > > > >
> > > > >
> > > >
> >
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