[evolution-data-server] CamelMimePart: Port to GTask.

[Matthew Barnes <mbarnes src gnome org>]

commit 979b249a261090b8b29adc5ecd3853bc0bcc9d0f
Author: Matthew Barnes <mbarnes redhat com>
Date:   Mon Dec 2 11:34:50 2013 -0500

    CamelMimePart: Port to GTask.

 camel/camel-mime-part.c |   59 +++++++++++++++++++++++------------------------
 1 files changed, 29 insertions(+), 30 deletions(-)
---
diff --git a/camel/camel-mime-part.c b/camel/camel-mime-part.c
index 29f502d..2b86e75 100644
--- a/camel/camel-mime-part.c
+++ b/camel/camel-mime-part.c
@@ -66,7 +66,6 @@ struct _CamelMimePartPrivate {
 };
 
 struct _AsyncContext {
-       /* arguments */
        CamelMimeParser *parser;
 };
 
@@ -1374,21 +1373,27 @@ camel_mime_part_construct_from_parser_sync (CamelMimePart *mime_part,
 
 /* Helper for camel_mime_part_construct_from_parser() */
 static void
-mime_part_construct_from_parser_thread (GSimpleAsyncResult *simple,
-                                        GObject *object,
+mime_part_construct_from_parser_thread (GTask *task,
+                                        gpointer source_object,
+                                        gpointer task_data,
                                         GCancellable *cancellable)
 {
+       gboolean success;
        AsyncContext *async_context;
-       GError *error = NULL;
+       GError *local_error = NULL;
 
-       async_context = g_simple_async_result_get_op_res_gpointer (simple);
+       async_context = (AsyncContext *) task_data;
 
-       camel_mime_part_construct_from_parser_sync (
-               CAMEL_MIME_PART (object), async_context->parser,
-               cancellable, &error);
+       success = camel_mime_part_construct_from_parser_sync (
+               CAMEL_MIME_PART (source_object),
+               async_context->parser,
+               cancellable, &local_error);
 
-       if (error != NULL)
-               g_simple_async_result_take_error (simple, error);
+       if (local_error != NULL) {
+               g_task_return_error (task, local_error);
+       } else {
+               g_task_return_boolean (task, success);
+       }
 }
 
 /**
@@ -1416,7 +1421,7 @@ camel_mime_part_construct_from_parser (CamelMimePart *mime_part,
                                        GAsyncReadyCallback callback,
                                        gpointer user_data)
 {
-       GSimpleAsyncResult *simple;
+       GTask *task;
        AsyncContext *async_context;
 
        g_return_if_fail (CAMEL_IS_MIME_PART (mime_part));
@@ -1425,20 +1430,17 @@ camel_mime_part_construct_from_parser (CamelMimePart *mime_part,
        async_context = g_slice_new0 (AsyncContext);
        async_context->parser = g_object_ref (parser);
 
-       simple = g_simple_async_result_new (
-               G_OBJECT (mime_part), callback, user_data,
-               camel_mime_part_construct_from_parser);
+       task = g_task_new (mime_part, cancellable, callback, user_data);
+       g_task_set_source_tag (task, camel_mime_part_construct_from_parser);
+       g_task_set_priority (task, io_priority);
 
-       g_simple_async_result_set_check_cancellable (simple, cancellable);
+       g_task_set_task_data (
+               task, async_context,
+               (GDestroyNotify) async_context_free);
 
-       g_simple_async_result_set_op_res_gpointer (
-               simple, async_context, (GDestroyNotify) async_context_free);
+       g_task_run_in_thread (task, mime_part_construct_from_parser_thread);
 
-       g_simple_async_result_run_in_thread (
-               simple, mime_part_construct_from_parser_thread,
-               io_priority, cancellable);
-
-       g_object_unref (simple);
+       g_object_unref (task);
 }
 
 /**
@@ -1458,15 +1460,12 @@ camel_mime_part_construct_from_parser_finish (CamelMimePart *mime_part,
                                               GAsyncResult *result,
                                               GError **error)
 {
-       GSimpleAsyncResult *simple;
+       g_return_val_if_fail (CAMEL_IS_MIME_PART (mime_part), FALSE);
+       g_return_val_if_fail (g_task_is_valid (result, mime_part), FALSE);
 
        g_return_val_if_fail (
-               g_simple_async_result_is_valid (
-               result, G_OBJECT (mime_part),
-               camel_mime_part_construct_from_parser), FALSE);
-
-       simple = G_SIMPLE_ASYNC_RESULT (result);
+               g_async_result_is_tagged (
+               result, camel_mime_part_construct_from_parser), FALSE);
 
-       /* Assume success unless a GError is set. */
-       return !g_simple_async_result_propagate_error (simple, error);
+       return g_task_propagate_boolean (G_TASK (result), error);
 }