[librest] rest-proxy-call: Use G_DECLARE_DERIVABLE_TYPE

[Debarshi Ray <debarshir src gnome org>]

commit 2de34cfbbe90fb1436bf4f894dbf3a0d2dc1a2fa
Author: Debarshi Ray <debarshir gnome org>
Date:   Fri Aug 4 14:07:42 2017 +0200

    rest-proxy-call: Use G_DECLARE_DERIVABLE_TYPE
    
    https://bugzilla.gnome.org/show_bug.cgi?id=785811

 rest/rest-proxy-call.h |   26 +++-----------------------
 1 files changed, 3 insertions(+), 23 deletions(-)
---
diff --git a/rest/rest-proxy-call.h b/rest/rest-proxy-call.h
index 0c37e7c..53077f7 100644
--- a/rest/rest-proxy-call.h
+++ b/rest/rest-proxy-call.h
@@ -30,31 +30,13 @@
 G_BEGIN_DECLS
 
 #define REST_TYPE_PROXY_CALL rest_proxy_call_get_type()
-
-#define REST_PROXY_CALL(obj) \
-  (G_TYPE_CHECK_INSTANCE_CAST ((obj), REST_TYPE_PROXY_CALL, RestProxyCall))
-
-#define REST_PROXY_CALL_CLASS(klass) \
-  (G_TYPE_CHECK_CLASS_CAST ((klass), REST_TYPE_PROXY_CALL, RestProxyCallClass))
-
-#define REST_IS_PROXY_CALL(obj) \
-  (G_TYPE_CHECK_INSTANCE_TYPE ((obj), REST_TYPE_PROXY_CALL))
-
-#define REST_IS_PROXY_CALL_CLASS(klass) \
-  (G_TYPE_CHECK_CLASS_TYPE ((klass), REST_TYPE_PROXY_CALL))
-
-#define REST_PROXY_CALL_GET_CLASS(obj) \
-  (G_TYPE_INSTANCE_GET_CLASS ((obj), REST_TYPE_PROXY_CALL, RestProxyCallClass))
-
+G_DECLARE_DERIVABLE_TYPE (RestProxyCall, rest_proxy_call, REST, PROXY_CALL, GObject)
 
 /**
  * RestProxyCall:
  *
  * #RestProxyCall has no publicly available members.
  */
-typedef struct {
-  GObject parent;
-} RestProxyCall;
 
 /**
  * RestProxyCallClass:
@@ -66,7 +48,7 @@ typedef struct {
  * Class structure for #RestProxyCall for subclasses to implement specialised
  * behaviour.
  */
-typedef struct {
+struct _RestProxyCallClass {
   /*< private >*/
   GObjectClass parent_class;
   /*< public >*/
@@ -80,7 +62,7 @@ typedef struct {
   /*< private >*/
   /* padding for future expansion */
   gpointer _padding_dummy[7];
-} RestProxyCallClass;
+};
 
 #define REST_PROXY_CALL_ERROR rest_proxy_call_error_quark ()
 
@@ -96,8 +78,6 @@ typedef enum {
 
 GQuark rest_proxy_call_error_quark (void);
 
-GType rest_proxy_call_get_type (void);
-
 /* Functions for dealing with request */
 void rest_proxy_call_set_method (RestProxyCall *call,
                                  const gchar   *method);