[Bug 27107] activity/application presence

[bugzilla-daemon at freedesktop.org]

http://bugs.freedesktop.org/show_bug.cgi?id=27107





--- Comment #4 from Tomeu Vizoso <tomeu at sugarlabs.org>  2010-03-24 04:57:55 PST ---
Follow some ideas about an API for these use cases:

==== Main scenario ====

When the user activates the "Share with everybody" menu item in Abiword,
Abiword creates a DbusTube channel, then calls:

Connection.Interface.Applications.AdvertiseApplication (o: Channel, a{sv}:
Properties) → nothing

The Empathy clients of each Collabora employee online in that moment will
receive the signal:

Connection.Interface.Applications.NewApplications (a(oa{sv}): Applications)
Applications — a(oa{sv}) (Channel_Details_List)

Empathy will display next to Sumana's avatar the title of the Abiword document,
it may generate a notification as well.

When a colleague clicks on the representation of the shared document, Empathy
will call Connection.CreateChannel passing as Requested_Properties the
properties from Channel_Details_List. This will ultimately cause the channel
dispatcher to activate Abiword passing it the new channel.

==== Variant 1 ====

When Empathy becomes online, it will want to display the shared applications of
each contact. For that, it will call the following method just after listening
for the NewApplications signal:

Connection.Interface.Applications.GetApplications (au: Handles) → a(oa{sv}):
Applications
Applications — a(oa{sv}) (Channel_Details_List)


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