Re: Plugin not receiving -dealloc call at the expected time
Re: Plugin not receiving -dealloc call at the expected time
- Subject: Re: Plugin not receiving -dealloc call at the expected time
- From: Steve Christensen <email@hidden>
- Date: Sun, 16 Nov 2008 18:32:32 -0800
If you are releasing the window in your dealloc method then I don't
know why it should make any difference when that happens. If the
window is still open then perhaps you're plugin's effect class
instance hasn't actually been dealloc'd. Did you check for that
(either in GDB or by adding some NSLog() calls to your code)?
I suppose there could be some differences in the way statically and
dynamically created classes are handled that might keep a class
instance around in the dynamic case. Perhaps FCP has an optimization
for doing so, figuring that it's more expensive (time-wise) to create
dynamic class instances. Just a guess. I don't know of anyplace that
says it's guaranteed that your class instance will be dealloc'd in a
particular fashion so it's probably not wise to make any assumptions
on your own.
As for the crash in your window handling code, do you have more
details about what's crashing? The crash may not have anything to do
with the above issue.
steve
On Nov 16, 2008, at 8:50 AM, David Yamnitsky wrote:
I'm building a plugin which opens a separate window. It all works
fine, except I'm having the problem that when the effect is
deleted, the window remains open. Any attempt to manipulate
something in the window which makes an FxPlug API call crashes the
app. I consulted the FloatingWindow example code, which just
releases the window when -dealloc is sent to the plugin object,
which is the same thing I'm doing. I did some digging, and found
that the FloatingWindow example receives the -dealloc call right
when the effect is deleted, but my plugin receives that call rather
spontaneously, either when the app is quit or when another effect
is applied. Why is this? Could it be because my plugin is
dynamically registered? (that seems to be the only obvious
difference between the FloatingWindow example and my code).
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