[Project_owners] First time after installing Extension

[Thomas Reitmayr]

Hi Amin,
instead of using a boolean preference just write your extension's version string into the preference. Then on each program start you compare the preference's string to your current extensions version to find out about an update.
In my extension (checkyesss) I use it to trigger various stuff, but mainly showing all new features (and bug fixes, d'oh) added between the old version and the newly installed one when the updated extension runs for the first time.
-Thomas

----- Ursprüngliche Mail ----
Von: Amin <amin.eft at gmail.com>
An: Mozdev Project Owners List <project_owners at mozdev.org>
Gesendet: Freitag, den 22. Dezember 2006, 13:51:54 Uhr
Betreff: Re: [Project_owners] First time after installing Extension

ok but it doesnt work after update !!! 
i want to works every time user install new version or same version 

On 12/22/06, Brian King <
brian at mozdev.org> wrote:On 22/12/2006 11:21 (CET), Amin wrote:
> any body know how to run a javascript code only one time after

> installing extesion ,
>
> what i must add to install.rdf ?

Have a default preference, say "extensions.myapp.firstrun", and set it
to true.

Check it every time at startup. If true, execute the code, and if false

do not. Once your code is executed, you can set it to false yourself to
ensure the code is not run on subsequent startup.

--
Brian King
www.mozdev.org - free project hosting for the Mozilla community

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