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From "Braden Shepherdson (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (CB-1388) Add reset() to plugin API and fix callback collisions on all platforms
Date Wed, 12 Sep 2012 20:17:07 GMT

    [ https://issues.apache.org/jira/browse/CB-1388?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13454315#comment-13454315
] 

Braden Shepherdson commented on CB-1388:
----------------------------------------

I've got the Javascript changes for part 2 complete, but I'm sitting on them until 2.1.0 goes
out.
                
> Add reset() to plugin API and fix callback collisions on all platforms
> ----------------------------------------------------------------------
>
>                 Key: CB-1388
>                 URL: https://issues.apache.org/jira/browse/CB-1388
>             Project: Apache Cordova
>          Issue Type: Bug
>          Components: Android, Bada, BlackBerry, CordovaJS, iOS, Qt, Tizen, webOS
>    Affects Versions: 2.0.0
>            Reporter: Braden Shepherdson
>            Assignee: Braden Shepherdson
>             Fix For: 2.2.0
>
>
> There are three parts to this bug.
> First, platform-specific: we should add a reset() function to the plugin API which is
called on top-level navigation or refresh, so that plugins can know to cancel any long-running
requests and reinitialize themselves. This won't be relevant to some platforms 
> Second, platform-independent: the callback IDs generated on the Javascript side should
be randomized in some way to prevent collisions after navigation. Otherwise a request might
get the ID "Service1", and before it has a chance to complete we navigate and a new request
is made, also receiving "Service1". Then the first response comes back and the new Service1
callback is handed the old results.
> Third, we should add a test for this to Mobile Spec, if possible. This is a tricky thing
to reproduce reliably, unfortunately.
> I'll tackle the second and third parts, and Android for the first part. It would be great
if people who work on other platforms would add the reset() logic, or close the platform bugs
if the platform is all-Javascript and fully reloaded on navigation.

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