[evolution-data-server] Bug 785284 - Add asynchronous variant for camel_offline_store_set_online_sync()

[Milan Crha <mcrha src gnome org>]

commit 42bc7db2443c2cd647281e44a5a1e89b9c9c7437
Author: Milan Crha <mcrha redhat com>
Date:   Mon Jul 24 20:25:43 2017 +0200

    Bug 785284 - Add asynchronous variant for camel_offline_store_set_online_sync()

 src/camel/camel-offline-store.c |   85 +++++++++++++++++++++++++++++++++++++++
 src/camel/camel-offline-store.h |   10 +++++
 2 files changed, 95 insertions(+), 0 deletions(-)
---
diff --git a/src/camel/camel-offline-store.c b/src/camel/camel-offline-store.c
index b04d026..73216c3 100644
--- a/src/camel/camel-offline-store.c
+++ b/src/camel/camel-offline-store.c
@@ -161,6 +161,10 @@ camel_offline_store_get_online (CamelOfflineStore *store)
  * @error: return location for a #GError, or %NULL
  *
  * Sets the online/offline state of @store according to @online.
+ *
+ * Returns: Whether succeeded.
+ *
+ * See: camel_offline_store_set_online
  **/
 gboolean
 camel_offline_store_set_online_sync (CamelOfflineStore *store,
@@ -257,6 +261,87 @@ camel_offline_store_set_online_sync (CamelOfflineStore *store,
        return success;
 }
 
+static void
+offline_store_set_online_thread (GTask *task,
+                                gpointer source_object,
+                                gpointer task_data,
+                                GCancellable *cancellable)
+{
+       gboolean success, online;
+       GError *local_error = NULL;
+
+       online = GPOINTER_TO_INT (task_data) != 0;
+
+       success = camel_offline_store_set_online_sync (CAMEL_OFFLINE_STORE (source_object), online, 
cancellable, &local_error);
+
+       if (local_error) {
+               g_task_return_error (task, local_error);
+       } else {
+               g_task_return_boolean (task, success);
+       }
+}
+
+/**
+ * camel_offline_store_set_online:
+ * @store: a #CamelOfflineStore
+ * @online: %TRUE for online, %FALSE for offline
+ * @io_priority: the I/O priority for the request
+ * @cancellable: optional #GCancellable object, or %NULL
+ * @callback: a #GAsyncReadyCallback to call when the request is satisfied
+ * @user_data: data to pass to the callback function
+ *
+ * An asynchronous variant of camel_offline_store_set_online_sync().
+ * Call camel_offline_store_set_online_finish() from within the @callback.
+ *
+ * Since: 3.26
+ **/
+void
+camel_offline_store_set_online (CamelOfflineStore *store,
+                               gboolean online,
+                               gint io_priority,
+                               GCancellable *cancellable,
+                               GAsyncReadyCallback callback,
+                               gpointer user_data)
+{
+       GTask *task;
+
+       g_return_if_fail (CAMEL_IS_OFFLINE_STORE (store));
+
+       task = g_task_new (store, cancellable, callback, user_data);
+       g_task_set_source_tag (task, camel_offline_store_set_online);
+       g_task_set_priority (task, io_priority);
+
+       g_task_set_task_data (task, GINT_TO_POINTER (online ? 1 : 0), NULL);
+
+       g_task_run_in_thread (task, offline_store_set_online_thread);
+
+       g_object_unref (task);
+}
+
+/**
+ * camel_offline_store_set_online_finish:
+ * @store: a #CamelOfflineStore
+ * @result: a #GAsyncResult
+ * @error: return location for a #GError, or %NULL
+ *
+ * Finishes the operation started with camel_offline_store_set_online().
+ *
+ * Returns: Whether succeeded.
+ *
+ * Since: 3.26
+ **/
+gboolean
+camel_offline_store_set_online_finish (CamelOfflineStore *store,
+                                      GAsyncResult *result,
+                                      GError **error)
+{
+       g_return_val_if_fail (CAMEL_IS_OFFLINE_STORE (store), FALSE);
+       g_return_val_if_fail (g_task_is_valid (result, store), FALSE);
+       g_return_val_if_fail (g_async_result_is_tagged (result, camel_offline_store_set_online), FALSE);
+
+       return g_task_propagate_boolean (G_TASK (result), error);
+}
+
 /**
  * camel_offline_store_prepare_for_offline_sync:
  * @store: a #CamelOfflineStore
diff --git a/src/camel/camel-offline-store.h b/src/camel/camel-offline-store.h
index 3ca4400..e017d29 100644
--- a/src/camel/camel-offline-store.h
+++ b/src/camel/camel-offline-store.h
@@ -70,6 +70,16 @@ gboolean     camel_offline_store_set_online_sync
                                                 gboolean online,
                                                 GCancellable *cancellable,
                                                 GError **error);
+void           camel_offline_store_set_online  (CamelOfflineStore *store,
+                                                gboolean online,
+                                                gint io_priority,
+                                                GCancellable *cancellable,
+                                                GAsyncReadyCallback callback,
+                                                gpointer user_data);
+gboolean       camel_offline_store_set_online_finish
+                                               (CamelOfflineStore *store,
+                                                GAsyncResult *result,
+                                                GError **error);
 gboolean       camel_offline_store_prepare_for_offline_sync
                                                (CamelOfflineStore *store,
                                                 GCancellable *cancellable,