Re: [Ayatana-dev] Unity Lens: results model and items with no valid URI

["Johannes H. Jensen" <joh@xxxxxxxxxxxxxxxxx>]

On Tue, Apr 12, 2011 at 11:36 AM, Mikkel Kamstrup Erlandsen
<mikkel.kamstrup@xxxxxxxxxxxxx> wrote:
> On Tue, 2011-04-12 at 02:13 +0200, Johannes H. Jensen wrote:
>> Greetings,
>>
>> I'm writing a Unity Lens for Tomboy Notes. Reading through the docs, I
>> find that each item in the results model needs a "uri" which is to be
>> opened when the item is activated by the user. However, tomboy notes
>> only have an internal URI, one which is not recognized by GNOME or
>> Unity.
>>
>> A a note can be opened with a simple D-Bus call to Tomboy, but how can
>> the activation of an item in the results model be used to trigger such
>> a call? As far as I can see, there exists no signal for this
>> purpose...
>
> Hi Johannes,
>
> This sounds awesome :-)
>
> For these cases Unity has an "Activation" API that can trigger callbacks
> back to the daemon when the user clicks a result. It's described here
> https://wiki.ubuntu.com/Unity/Lenses#Activation%20Hooks. The Apps place
> use it to open the Software Center on the correct app when you click one
> in the Apps Available for Download group. Check out
> lp:unity-place-applications to see a working example of this.
>
> The usual way of doing this is to construct some private URI scheme like
> unity-tomboy://$internal_tomboy_uri and register activation for that
> with an entry like the following in your .place file:
>
> [Activation]
> URIPattern=unity-tomboy://.+
>
> You must hen implement the Unity.Activation interface from libunity and
> register it to your Unity.PlaceController. The registration is easy as
> the activation backend is just a property on the controller. So it's
> just ctrl.activation = my_activation_instance.

Thanks, Mikkel, that's exactly what I was looking for :-)

Regards,

Johannes