[empathy: 64/80] empathy_contact_from_tpl_contact: set the TpContact

[Emilio Pozuelo Monfort <epm src gnome org>]

commit 577effbd7b0a97ce168105feb184ad5671db2bb6
Author: Emilio Pozuelo Monfort <emilio pozuelo collabora co uk>
Date:   Mon May 9 19:51:34 2011 +0100

    empathy_contact_from_tpl_contact: set the TpContact
    
    If available, so we get extra info like capabilities.
    
    Based on a patch from Nicolas Dufresne.
    
    Conflicts:
    
    	libempathy/empathy-contact.c

 libempathy/empathy-contact.c |   65 ++++++++++++++++++++++++++++++++---------
 1 files changed, 50 insertions(+), 15 deletions(-)
---
diff --git a/libempathy/empathy-contact.c b/libempathy/empathy-contact.c
index 55bc40b..8150e9e 100644
--- a/libempathy/empathy-contact.c
+++ b/libempathy/empathy-contact.c
@@ -72,6 +72,8 @@ typedef struct {
   GHashTable *location;
   GeeHashSet *groups;
   gchar **client_types;
+
+  gboolean keep_tpcontact;
 } EmpathyContactPriv;
 
 static void contact_finalize (GObject *object);
@@ -190,14 +192,15 @@ contact_dispose (GObject *object)
 {
   EmpathyContactPriv *priv = GET_PRIV (object);
 
-  if (priv->tp_contact)
+  if (priv->tp_contact != NULL)
     {
-      g_hash_table_remove (contacts_table, priv->tp_contact);
+      if (!priv->keep_tpcontact)
+        g_hash_table_remove (contacts_table, priv->tp_contact);
+
       g_signal_handlers_disconnect_by_func (priv->tp_contact,
           tp_contact_notify_cb, object);
-      g_object_unref (priv->tp_contact);
     }
-  priv->tp_contact = NULL;
+  tp_clear_object (&priv->tp_contact);
 
   if (priv->account)
     g_object_unref (priv->account);
@@ -641,23 +644,55 @@ empathy_contact_new (TpContact *tp_contact)
       NULL);
 }
 
+static gboolean
+contact_is_tpl_entity (gpointer key,
+    gpointer value,
+    gpointer user_data)
+{
+  TpContact *contact = key;
+  TplEntity *entity = user_data;
+
+  return !tp_strdiff (tp_contact_get_identifier (contact),
+      tpl_entity_get_identifier (entity));
+}
+
 EmpathyContact *
 empathy_contact_from_tpl_contact (TpAccount *account,
     TplEntity *tpl_entity)
 {
   EmpathyContact *retval;
   gboolean is_user;
+  EmpathyContact *existing_contact = NULL;
 
   g_return_val_if_fail (TPL_IS_ENTITY (tpl_entity), NULL);
 
-  is_user = (TPL_ENTITY_SELF == tpl_entity_get_entity_type (tpl_entity));
+  if (contacts_table != NULL)
+    existing_contact = g_hash_table_find (contacts_table,
+        contact_is_tpl_entity, tpl_entity);
 
-  retval = g_object_new (EMPATHY_TYPE_CONTACT,
-      "id", tpl_entity_get_identifier (tpl_entity),
-      "alias", tpl_entity_get_alias (tpl_entity),
-      "account", account,
-      "is-user", is_user,
-      NULL);
+  if (existing_contact != NULL)
+    {
+      EmpathyContactPriv *priv;
+
+      retval = g_object_new (EMPATHY_TYPE_CONTACT,
+          "tp-contact", empathy_contact_get_tp_contact (existing_contact),
+          "alias", tpl_entity_get_alias (tpl_entity),
+          NULL);
+
+      priv = GET_PRIV (retval);
+      priv->keep_tpcontact = TRUE;
+    }
+  else
+    {
+      is_user = (TPL_ENTITY_SELF == tpl_entity_get_entity_type (tpl_entity));
+
+      retval = g_object_new (EMPATHY_TYPE_CONTACT,
+          "id", tpl_entity_get_identifier (tpl_entity),
+          "alias", tpl_entity_get_alias (tpl_entity),
+          "account", account,
+          "is-user", is_user,
+          NULL);
+    }
 
   if (!EMP_STR_EMPTY (tpl_entity_get_avatar_token (tpl_entity)))
     contact_load_avatar_cache (retval,
@@ -697,16 +732,16 @@ const gchar *
 empathy_contact_get_alias (EmpathyContact *contact)
 {
   EmpathyContactPriv *priv;
-  const gchar        *alias;
+  const gchar        *alias = NULL;
 
   g_return_val_if_fail (EMPATHY_IS_CONTACT (contact), NULL);
 
   priv = GET_PRIV (contact);
 
-  if (priv->tp_contact != NULL)
-    alias = tp_contact_get_alias (priv->tp_contact);
-  else
+  if (!EMP_STR_EMPTY (priv->alias))
     alias = priv->alias;
+  else if (priv->tp_contact != NULL)
+    alias = tp_contact_get_alias (priv->tp_contact);
 
   if (!EMP_STR_EMPTY (alias))
     return alias;