From 5be47bde51c996bbb0be0d90f87e86ae982286a4 Mon Sep 17 00:00:00 2001
From: Vitaly Minko <vitaly.minko@gmail.com>
Date: Wed, 10 Nov 2010 20:23:39 +0300
Subject: Make AccountChooser filters asynchronous to let them handle newly
 connected accounts properly (#633481).

---
 libempathy-gtk/empathy-new-call-dialog.c | 86 +++++++++++++++++++++++++-------
 1 file changed, 67 insertions(+), 19 deletions(-)

(limited to 'libempathy-gtk/empathy-new-call-dialog.c')

diff --git a/libempathy-gtk/empathy-new-call-dialog.c b/libempathy-gtk/empathy-new-call-dialog.c
index 3d51283b1..ab9a86a6f 100644
--- a/libempathy-gtk/empathy-new-call-dialog.c
+++ b/libempathy-gtk/empathy-new-call-dialog.c
@@ -31,7 +31,6 @@
 #include <libempathy/empathy-tp-contact-factory.h>
 #include <libempathy/empathy-contact-manager.h>
 #include <libempathy/empathy-call-factory.h>
-#include <libempathy/empathy-dispatcher.h>
 #include <libempathy/empathy-utils.h>
 
 #define DEBUG_FLAG EMPATHY_DEBUG_CONTACT
@@ -50,6 +49,11 @@ G_DEFINE_TYPE(EmpathyNewCallDialog, empathy_new_call_dialog,
 
 typedef struct _EmpathyNewCallDialogPriv EmpathyNewCallDialogPriv;
 
+typedef struct {
+  EmpathyAccountChooserFilterResultCallback callback;
+  gpointer                                  user_data;
+} FilterCallbackData;
+
 struct _EmpathyNewCallDialogPriv {
   GtkWidget *check_video;
 };
@@ -136,36 +140,80 @@ out:
   gtk_widget_destroy (GTK_WIDGET (dialog));
 }
 
-static gboolean
+static void
+conn_prepared_cb (GObject *conn,
+    GAsyncResult *result,
+    gpointer user_data)
+{
+  FilterCallbackData *data = user_data;
+  GError *myerr = NULL;
+  TpCapabilities *caps;
+  GPtrArray *classes;
+  guint i;
+
+  if (!tp_proxy_prepare_finish (conn, result, &myerr))
+      goto out;
+
+  caps = tp_connection_get_capabilities (TP_CONNECTION (conn));
+  classes = tp_capabilities_get_channel_classes (caps);
+
+  for (i = 0; i < classes->len; i++)
+    {
+      GHashTable *fixed;
+      GStrv allowed;
+      const gchar *chan_type;
+
+      tp_value_array_unpack (g_ptr_array_index (classes, i), 2,
+          &fixed, &allowed);
+
+      chan_type = tp_asv_get_string (fixed, TP_PROP_CHANNEL_CHANNEL_TYPE);
+
+      if (tp_strdiff (chan_type, TP_IFACE_CHANNEL_TYPE_STREAMED_MEDIA))
+        continue;
+
+      if (tp_asv_get_uint32 (fixed, TP_PROP_CHANNEL_TARGET_HANDLE_TYPE, NULL) !=
+          TP_HANDLE_TYPE_CONTACT)
+        continue;
+
+      data->callback (TRUE, data->user_data);
+      g_slice_free (FilterCallbackData, data);
+      return;
+    }
+
+out:
+  data->callback (FALSE, data->user_data);
+  g_slice_free (FilterCallbackData, data);
+}
+
+static void
 empathy_new_call_dialog_account_filter (EmpathyContactSelectorDialog *dialog,
+    EmpathyAccountChooserFilterResultCallback callback,
+    gpointer callback_data,
     TpAccount *account)
 {
   TpConnection *connection;
-  EmpathyDispatcher *dispatcher;
-  GList *classes;
+  FilterCallbackData *cb_data;
+  GQuark features[] = { TP_CONNECTION_FEATURE_CAPABILITIES, 0 };
 
   if (tp_account_get_connection_status (account, NULL) !=
       TP_CONNECTION_STATUS_CONNECTED)
-    return FALSE;
+    {
+      callback (FALSE, callback_data);
+      return;
+    }
 
   /* check if CM supports calls */
   connection = tp_account_get_connection (account);
   if (connection == NULL)
-    return FALSE;
-
-  dispatcher = empathy_dispatcher_dup_singleton ();
-
-  classes = empathy_dispatcher_find_requestable_channel_classes
-    (dispatcher, connection, TP_IFACE_CHANNEL_TYPE_STREAMED_MEDIA,
-     TP_HANDLE_TYPE_CONTACT, NULL);
-
-  g_object_unref (dispatcher);
-
-  if (classes == NULL)
-    return FALSE;
+    {
+      callback (FALSE, callback_data);
+      return;
+    }
 
-  g_list_free (classes);
-  return TRUE;
+  cb_data = g_slice_new0 (FilterCallbackData);
+  cb_data->callback = callback;
+  cb_data->user_data = callback_data;
+  tp_proxy_prepare_async (connection, features, conn_prepared_cb, cb_data);
 }
 
 static GObject *
-- 
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