[evolution-data-server] Replace deprecated g_io_scheduler_push_job() in HTTP calendar backend

[Milan Crha <mcrha src gnome org>]

commit 0df1bbcf6c1624274fdec7a2d3a6c44ac4c2a234
Author: Milan Crha <mcrha redhat com>
Date:   Tue Apr 7 15:43:27 2015 +0200

    Replace deprecated g_io_scheduler_push_job() in HTTP calendar backend

 calendar/backends/http/e-cal-backend-http.c |   48 +++++++++++++--------------
 1 files changed, 23 insertions(+), 25 deletions(-)
---
diff --git a/calendar/backends/http/e-cal-backend-http.c b/calendar/backends/http/e-cal-backend-http.c
index 55b5db0..65d8544 100644
--- a/calendar/backends/http/e-cal-backend-http.c
+++ b/calendar/backends/http/e-cal-backend-http.c
@@ -778,21 +778,21 @@ cal_backend_http_ensure_uri (ECalBackendHttp *backend)
        return backend->priv->uri;
 }
 
-static gboolean
-begin_retrieval_cb (GIOSchedulerJob *job,
-                    GCancellable *cancellable,
-                    ECalBackendHttp *backend)
+static void
+begin_retrieval_cb (GTask *task,
+                   gpointer source_object,
+                   gpointer task_tada,
+                   GCancellable *cancellable)
 {
+       ECalBackendHttp *backend = source_object;
        const gchar *uri;
        gchar *certificate_pem = NULL;
        GTlsCertificateFlags certificate_errors = 0;
        GError *error = NULL;
 
-       if (!e_backend_get_online (E_BACKEND (backend)))
-               return FALSE;
-
-       if (backend->priv->is_loading)
-               return FALSE;
+       if (!e_backend_get_online (E_BACKEND (backend)) ||
+           backend->priv->is_loading)
+               return;
 
        d (g_message ("Starting retrieval...\n"));
 
@@ -841,8 +841,18 @@ begin_retrieval_cb (GIOSchedulerJob *job,
        }
 
        d (g_message ("Retrieval really done.\n"));
+}
+
+static void
+http_cal_schedule_begin_retrieval (ECalBackendHttp *cbhttp)
+{
+       GTask *task;
+
+       task = g_task_new (cbhttp, NULL, NULL, NULL);
+
+       g_task_run_in_thread (task, begin_retrieval_cb);
 
-       return FALSE;
+       g_object_unref (task);
 }
 
 static void
@@ -868,11 +878,7 @@ source_changed_cb (ESource *source,
                uri_changed = (g_strcmp0 (old_uri, new_uri) != 0);
 
                if (uri_changed && !cbhttp->priv->is_loading)
-                       g_io_scheduler_push_job (
-                               (GIOSchedulerJobFunc) begin_retrieval_cb,
-                               g_object_ref (cbhttp),
-                               (GDestroyNotify) g_object_unref,
-                               G_PRIORITY_DEFAULT, NULL);
+                       http_cal_schedule_begin_retrieval (cbhttp);
 
                g_free (old_uri);
        }
@@ -891,11 +897,7 @@ http_cal_reload_cb (ESource *source,
        if (!e_backend_get_online (E_BACKEND (cbhttp)))
                return;
 
-       g_io_scheduler_push_job (
-               (GIOSchedulerJobFunc) begin_retrieval_cb,
-               g_object_ref (cbhttp),
-               (GDestroyNotify) g_object_unref,
-               G_PRIORITY_DEFAULT, NULL);
+       http_cal_schedule_begin_retrieval (cbhttp);
 }
 
 /* Open handler for the file backend */
@@ -1039,11 +1041,7 @@ e_cal_backend_http_notify_online_cb (ECalBackend *backend,
        loaded = e_cal_backend_is_opened (backend);
 
        if (online && loaded)
-               g_io_scheduler_push_job (
-                       (GIOSchedulerJobFunc) begin_retrieval_cb,
-                       g_object_ref (backend),
-                       (GDestroyNotify) g_object_unref,
-                       G_PRIORITY_DEFAULT, NULL);
+               http_cal_schedule_begin_retrieval (E_CAL_BACKEND_HTTP (backend));
 }
 
 /* Get_object_component handler for the http backend */