Blink Cocoa

h1. Presence

h2. Subscriptions

Contacts have two properties that can changed in Edit Contact Panel Subscriptions section:

 1. Subscribe to Contact's Presence Information

 1. Allow Contact to see my Presence Information

h2. Published Information

The following information is published by Blink:

<pre>

Internet address: sip:tijmen@test.sip2sip.info

  Service: SID-040aafba-3bb5-4209-b6ad-27f513726e8a

      Timestamp: 2012-09-18T14:47:53.535157+02:00

      Note: I am happy

      Basic status: Open

      Extended status: Available

      Location: Netherlands/Meppel

      Contact: user@test.sip2sip.info

      Icon: https://xcap.test.sipthor.net/xcap-root/org.openmobilealliance.pres-content/users/sip:user@test.sip2sip.info/oma_status-icon/index

      Media capabilities: Audio, Chat, File Transfer, Screen Sharing

      Device: 040aafba-3bb5-4209-b6ad-27f513726e8a (Majoor)

          Hostname: Majoor

          User Agent: Blink Pro 2.0.0 (MacOSX)

          Current time: 14:48 (UTC+2)

      Device is active

          Idle threshold: 600 seconds

</pre>

Location can be disabled per account in Presence section of account preferences.

h2. Subscribed Presence Information

Presence information received from the SIP URIs of a contacts present in the contacts list is used to update the Contact tile with

 * Status icon overlaid on botton right of user icon, indicating away, busy, extended-away or available

 * Rectangular presence indicator on right side of the tile to provide a quick overview about availability

 * Presence note is rendered on second line, multiple notes and pending authorizations are rotated every 10 seconds

 * User icon is retrieved and updated when necessary from URL advertised by user 

Selecting  Show Presence Information menu item from contextual contact menu show a panel with detailed information, not all information may have been rendered in the GUI.

h2. Sessions

 * When subscribed to Presence, if information is received, the contextual menu of each contact is updated with the possibility of starting a session to a specific device. This requires the remote device to use GRUU.