[folks] core: add Folks.PersonaStore.user-set-default property

[Raul Gutierrez Segales <raulgs src gnome org>]

commit d797e8e101252ddd674ffdffab61d9409219a48f
Author: Raul Gutierrez Segales <rgs collabora co uk>
Date:   Thu Sep 15 15:33:58 2011 +0100

    core: add Folks.PersonaStore.user-set-default property
    
    With this property we can tell if a Store (i.e.: an e-d-s address
    book) has been marked by the user as his default store (either from
    Evo or from GOA, etc).
    
    Helps: https://bugzilla.gnome.org/show_bug.cgi?id=657141

 NEWS                             |    1 +
 folks/individual-aggregator.vala |   28 ++++++++++++++++++++++++++++
 folks/persona-store.vala         |    9 +++++++++
 3 files changed, 38 insertions(+), 0 deletions(-)
---
diff --git a/NEWS b/NEWS
index 3c1d4ec..3a55cf8 100644
--- a/NEWS
+++ b/NEWS
@@ -26,6 +26,7 @@ API changes:
 * Add Folks.IndividualAggregatorError.NO_PRIMARY_STORE
 * In IndividualAggregator.ensure_individual_property_writeable we now throw
   NO_PRIMARY_STORE instead of NO_WRITEABLE_STORE
+* Add Folks.PersonaStore.user_set_default
 
 Overview of changes from libfolks 0.6.2 to libfolks 0.6.2.1
 ===========================================================
diff --git a/folks/individual-aggregator.vala b/folks/individual-aggregator.vala
index 39eaa3e..1f5ceeb 100644
--- a/folks/individual-aggregator.vala
+++ b/folks/individual-aggregator.vala
@@ -644,6 +644,7 @@ public class Folks.IndividualAggregator : Object
     {
       var store_id = this._get_store_full_id (store.type_id, store.id);
 
+      this._maybe_configure_as_primary (store);
       this._set_primary_store (store);
 
       this._stores.set (store_id, store);
@@ -652,6 +653,8 @@ public class Folks.IndividualAggregator : Object
           this._is_primary_store_changed_cb);
       store.notify["is-quiescent"].connect (
           this._persona_store_is_quiescent_changed_cb);
+      store.notify["is-user-set-default"].connect (
+          this._persona_store_is_user_set_default_changed_cb);
 
       /* Increase the number of non-quiescent persona stores we're waiting for.
        * If we've already reached a quiescent state, this is ignored. If we
@@ -687,6 +690,8 @@ public class Folks.IndividualAggregator : Object
           this._persona_store_is_quiescent_changed_cb);
       store.notify["is-primary-store"].disconnect (
           this._is_primary_store_changed_cb);
+      store.notify["is-user-set-default"].disconnect (
+          this._persona_store_is_user_set_default_changed_cb);
 
       /* If we were still waiting on this persona store to reach a quiescent
        * state, stop waiting. */
@@ -1332,6 +1337,29 @@ public class Folks.IndividualAggregator : Object
         }
     }
 
+  private void _persona_store_is_user_set_default_changed_cb (Object obj,
+      ParamSpec pspec)
+    {
+      var store = (PersonaStore) obj;
+      if (this._maybe_configure_as_primary (store))
+        this._set_primary_store (store);
+    }
+
+  private bool _maybe_configure_as_primary (PersonaStore store)
+    {
+      var configured = false;
+
+      if (!this._user_configured_primary_store &&
+          store.is_user_set_default)
+        {
+          this._configured_primary_store_type_id = store.type_id;
+          this._configured_primary_store_id = store.id;
+          configured = true;
+        }
+
+      return configured;
+    }
+
   private void _individual_removed_cb (Individual i, Individual? replacement)
     {
       if (this.user == i)
diff --git a/folks/persona-store.vala b/folks/persona-store.vala
index e7ad231..0e269ce 100644
--- a/folks/persona-store.vala
+++ b/folks/persona-store.vala
@@ -645,4 +645,13 @@ public abstract class Folks.PersonaStore : Object
    * @since UNRELEASED
    */
   public bool is_primary_store { get; internal set; default = false; }
+
+  /**
+   * Whether this { link PersonaStore} has been marked as the default
+   * store (in its backend) by the user. I.e.: a PersonaStore for the e-d-s
+   * backend would set this to true if it represents the default address book.
+   *
+   * @since UNRELEASED
+   */
+  public bool is_user_set_default { get; internal set; default = false; }
 }