[folks] Bug 627968 — Add Individual.trust_level property

[Philip Withnall <pwithnall src gnome org>]

commit db4f574a00273779a7e369dfedc6da02a1b1eaae
Author: Philip Withnall <philip withnall collabora co uk>
Date:   Wed Aug 25 19:00:37 2010 +0100

    Bug 627968 â?? Add Individual.trust_level property
    
    Add a property to indicate how far the Individual should be trusted. This
    is NONE if any of the Individual's Personas come from a non-trusted
    PersonaStore. Closes: bgo#627968

 folks/individual.vala |   66 +++++++++++++++++++++++++++++++++++++++++++++++++
 1 files changed, 66 insertions(+), 0 deletions(-)
---
diff --git a/folks/individual.vala b/folks/individual.vala
index a3515c6..9ef912e 100644
--- a/folks/individual.vala
+++ b/folks/individual.vala
@@ -23,6 +23,43 @@ using GLib;
 using Folks;
 
 /**
+ * Trust level for an { link Individual} for use in the UI.
+ *
+ * @since 0.1.16
+ */
+public enum Folks.TrustLevel
+{
+  /**
+   * The { link Individual}'s { link Persona}s aren't trusted at all.
+   *
+   * This is the trust level for an { link Individual} which contains one or
+   * more { link Persona}s which cannot be guaranteed to be the same
+   * { link Persona}s as were originally linked together.
+   *
+   * For example, an { link Individual} containing a link-local XMPP
+   * { link Persona} would have this trust level, since someone else could
+   * easily spoof the link-local XMPP { link Persona}'s identity.
+   *
+   * @since 0.1.16
+   */
+  NONE,
+
+  /**
+   * The { link Individual}'s { link Persona}s are trusted.
+   *
+   * This trust level is for { link Individual}s where it can be guaranteed
+   * that all the { link Persona}s are the same ones as when they were
+   * originally linked together.
+   *
+   * Note that this doesn't guarantee that the user who behind each
+   * { link Persona} is who they claim to be.
+   *
+   * @since 0.1.16
+   */
+  PERSONAS
+}
+
+/**
  * A physical person, aggregated from the various { link Persona}s the person
  * might have, such as their different IM addresses or vCard entries.
  */
@@ -50,6 +87,19 @@ public class Folks.Individual : Object,
   private HashMap<PersonaStore, uint> stores;
 
   /**
+   * The trust level of the Individual.
+   *
+   * This specifies how far the Individual can be trusted to be who it claims
+   * to be. See the descriptions for the elements of { link TrustLevel}.
+   *
+   * Clients should ''not'' allow linking of Individuals who have a trust level
+   * of { link TrustLevel.NONE}.
+   *
+   * @since 0.1.16
+   */
+  public TrustLevel trust_level { get; private set; }
+
+  /**
    * { inheritDoc}
    */
   public File avatar { get; private set; }
@@ -315,6 +365,7 @@ public class Folks.Individual : Object,
       this.update_is_favourite ();
       this.update_avatar ();
       this.update_alias ();
+      this.update_trust_level ();
     }
 
   private void update_groups ()
@@ -489,6 +540,21 @@ public class Folks.Individual : Object,
         this.avatar = avatar;
     }
 
+  private void update_trust_level ()
+    {
+      TrustLevel trust_level = TrustLevel.PERSONAS;
+
+      foreach (Persona p in this._persona_list)
+        {
+          if (p.store.trust_level == PersonaStoreTrust.NONE)
+            trust_level = TrustLevel.NONE;
+        }
+
+      /* Only notify if the value has changed */
+      if (this.trust_level != trust_level)
+        this.trust_level = trust_level;
+    }
+
   /*
    * GLib/C convenience functions (for built-in casting, etc.)
    */