Mailinglist Archive: yast-devel (168 mails)

[Ladislav Slezak <lslezak@xxxxxxx>]

Lukas Ocilka wrote:
> I've just used these functions in installation scripts so I can handle 
> installation progresses as I want. I hope it will also remove the unneeded
> second progress bar that appears for a very short time when initializing the
> installation repository.

It should be also disabled by the new function.

> Hmm, anyway, how can I re-register another function for downloading a file?
> Image deployment downloads images if needed (Pkg::SourceProvideOptionalFile?)
> and I don't want pop-ups to appear there.
>
> Will is work to RegisterEmptyProgressCallbacks, RegisterMySpecialCallback and
> then RestorePreviousProgressCallbacks? Doesn't the
> RestorePreviousProgressCallbacks function have a bit confusing name :),
> previous?

The previous are the standard callbacks in this case (the standard callbacks are
registered in PackageCallbacks constructor.) But it shouldn't break if there is
no previous callback registered :-)

In the case above you should do:
- RegisterEmptyProgressCallbacks
- RegisterMySpecialCallback
- UnregisterMySpecialCallback
- RestorePreviousProgressCallbacks


The new functions:

void RegisterMySpecialCallback()
{
    Pkg::CallbackProgressDownload (MyProgressHandler);
}

void UnregisterMySpecialCallback()
{
    Pkg::CallbackProgressDownload (nil);
}


The most important thing it to register/unregister the same callbacks in
RegisterMySpecialCallback() and UnregisterMySpecialCallback() functions.
Otherwise RestorePreviousProgressCallbacks() won't restore the previous state
correctly.


--

Best Regards

Ladislav Slezák
Yast Developer
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