Add a /whois command.

https://bugzilla.gnome.org/show_bug.cgi?id=571631

diff --git a/libempathy-gtk/empathy-chat.c b/libempathy-gtk/empathy-chat.c
index 8ce698f028f6804e27f7a38973d271276c04b493..8c41849f331a760ca6f2b5decf173e842e414e05 100644 (file)
--- a/libempathy-gtk/empathy-chat.c
+++ b/libempathy-gtk/empathy-chat.c
@@ -48,6 +48,7 @@
 
 #include "empathy-chat.h"
 #include "empathy-spell.h"
+#include "empathy-contact-dialogs.h"
 #include "empathy-contact-list-store.h"
 #include "empathy-contact-list-view.h"
 #include "empathy-contact-menu.h"
@@ -930,6 +931,84 @@ chat_command_say (EmpathyChat *chat,
        g_object_unref (message);
 }
 
+static void
+whois_got_contact_cb (TpConnection *connection,
+                     guint n_contacts,
+                     TpContact * const *contacts,
+                     const gchar * const *requested_ids,
+                     GHashTable *failed_id_errors,
+                     const GError *error,
+                     gpointer user_data,
+                     GObject *weak_object)
+{
+       EmpathyChat *chat = EMPATHY_CHAT (weak_object);
+
+       g_return_if_fail (n_contacts <= 1);
+
+       if (n_contacts == 0) {
+               GHashTableIter iter;
+               gpointer key = NULL, value = NULL;
+               gchar *id;
+               GError *id_error;
+
+               /* tp-glib guarantees that the contacts you requested will be
+                * in failed_id_errors regardless of whether the individual
+                * contact was invalid or the whole operation failed.
+                */
+               g_hash_table_iter_init (&iter, failed_id_errors);
+               g_hash_table_iter_next (&iter, &key, &value);
+               id = key;
+               id_error = value;
+
+               DEBUG ("Error getting TpContact for '%s': %s %u %s",
+                       id, g_quark_to_string (id_error->domain),
+                       id_error->code, id_error->message);
+
+               if (error == NULL) {
+                       /* The specific ID failed. */
+                       gchar *event = g_strdup_printf (
+                               _("“%s” is not a valid contact ID"), id);
+                       empathy_chat_view_append_event (chat->view, event);
+                       g_free (event);
+               }
+               /* Otherwise we're disconnected or something; so the window
+                * will already say ‘Disconnected’, so let's not show anything.
+                */
+       } else {
+               EmpathyContact *empathy_contact;
+               GtkWidget *window;
+
+               g_return_if_fail (contacts[0] != NULL);
+               empathy_contact = empathy_contact_dup_from_tp_contact (
+                       contacts[0]);
+
+               window = gtk_widget_get_toplevel (GTK_WIDGET (chat));
+               /* If we're alive and this command is running, we'd better be
+                * in a window. */
+               g_return_if_fail (window != NULL);
+               g_return_if_fail (gtk_widget_is_toplevel (window));
+               empathy_contact_information_dialog_show (empathy_contact,
+                       GTK_WINDOW (window));
+               g_object_unref (empathy_contact);
+       }
+}
+
+static void
+chat_command_whois (EmpathyChat *chat,
+                   GStrv strv)
+{
+       EmpathyChatPriv *priv = GET_PRIV (chat);
+       TpConnection *conn;
+
+       conn = empathy_tp_chat_get_connection (priv->tp_chat);
+       tp_connection_get_contacts_by_id (conn,
+               /* Element 0 of 'strv' is "whois"; element 1 is the contact ID
+                * entered by the user (including spaces, if any). */
+               1, (const gchar * const *) strv + 1,
+               0, NULL,
+               whois_got_contact_cb, NULL, NULL, G_OBJECT (chat));
+}
+
 static void chat_command_help (EmpathyChat *chat, GStrv strv);
 
 typedef void (*ChatCommandFunc) (EmpathyChat *chat, GStrv strv);
@@ -980,6 +1059,9 @@ static ChatCommandItem commands[] = {
            "This is used to send a message starting with a '/'. For example: "
            "\"/say /join is used to join a new chat room\"")},
 
+       {"whois", 2, 2, chat_command_whois, NULL,
+        N_("/whois <contact ID>: display information about a contact")},
+
        {"help", 1, 2, chat_command_help, NULL,
         N_("/help [<command>]: show all supported commands. "
            "If <command> is defined, show its usage.")},