[Sugar-devel] GSoC Groupthink Update: SharedTextDemo-4

[Benjamin M. Schwartz]

Walter Bender wrote:
> On Thu, Jul 16, 2009 at 10:06 PM, Benjamin M.
> Schwartz<bmschwar at fas.harvard.edu> wrote:
>> 1. Any session saved in the Journal that was previously shared, will be shared
>> again with the same scope upon resume.
>> 2. If there is an existing shared session visible with the same activity_id, the
>> activity will join that session.
>>
>> This behavior is good enough for me.  However, it does preclude users from
>> working privately on the results of a shared session, unless they totally
>> deactivate their network connection.  I could add this ability to work
>> privately to groupthink's GroupActivity superclass, or it could be added to
>> sugar's Activity class.  A number of other interesting behaviors, such as
>> forking an existing document, are also unavailable in the present system.
> 
> Maybe an option for "keep" could be to "keep a private copy"?

I think this makes sense.  "Keep a copy" would reset the sharing scope to
private, and create a new activity_id.  It's hard to reason about, but I
think this makes sense for a versioned datastore as well, where creating a
copy is only necessary if you want to break the history (otherwise Keep is
sufficient to make a checkpoint in the version history).

However, this still doesn't allow temporary private work.  In order to be
able to work privately on a shared document, and then later merge it back
into the shared stream, users would need to be able to choose to work
privately for a single session, without altering the activity_id.  It's
not yet clear to me how important this feature is.

--Ben

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