[folks] eds: Immediately make non-browseable Edsf.PersonaStores reach quiescence

[Philip Withnall <pwithnall src gnome org>]

commit 79ce988289f76016c8c61e158ef0d2c8525b4731
Author: Philip Withnall <philip tecnocode co uk>
Date:   Mon Sep 5 21:27:27 2011 +0100

    eds: Immediately make non-browseable Edsf.PersonaStores reach quiescence
    
    For example, some LDAP servers may not be browseable (i.e. they're search
    only), so should reach quiescence immediately. This prevents the
    IndividualAggregator waiting for ever for them to become quiescent.
    
    Helps: bgo#656184

 backends/eds/lib/edsf-persona-store.vala |   36 ++++++++++++++++++++++++++++++
 1 files changed, 36 insertions(+), 0 deletions(-)
---
diff --git a/backends/eds/lib/edsf-persona-store.vala b/backends/eds/lib/edsf-persona-store.vala
index 0d13e91..6e187bd 100644
--- a/backends/eds/lib/edsf-persona-store.vala
+++ b/backends/eds/lib/edsf-persona-store.vala
@@ -648,6 +648,33 @@ public class Edsf.PersonaStore : Folks.PersonaStore
                   _("Couldn't get address book capabilities: %s"), e2.message);
             }
 
+          /* Get the set of capabilities supported by the address book.
+           * Specifically, we're looking for do-initial-query, which signifies
+           * that we should expect an initial _contacts_added_cb() callback. */
+          var do_initial_query = false;
+          try
+            {
+              string capabilities;
+              yield this._addressbook.get_backend_property ("capabilities",
+                  null, out capabilities);
+
+              if (capabilities != null)
+                {
+                  string[] caps = capabilities.split (",");
+
+                  do_initial_query = ("do-initial-query" in caps);
+                }
+            }
+          catch (GLib.Error e4)
+            {
+              /* Remove the persona store on error */
+              this.removed ();
+
+              throw new PersonaStoreError.INVALID_ARGUMENT (
+                  /* Translators: the parameteter is an error message. */
+                  _("Couldn't get address book capabilities: %s"), e4.message);
+            }
+
           bool got_view = false;
           try
             {
@@ -741,6 +768,15 @@ public class Edsf.PersonaStore : Folks.PersonaStore
 
           this._is_prepared = true;
           this.notify_property ("is-prepared");
+
+          /* If the address book isn't going to do an initial query (i.e.
+           * because it's a search-only address book, such as LDAP), we reach
+           * a quiescent state immediately. */
+          if (do_initial_query == false && this._is_quiescent == false)
+            {
+              this._is_quiescent = true;
+              this.notify_property ("is-quiescent");
+            }
         }
     }