[libsoup/carlosgc/session-derivable] Make SoupSession a derivable class

[Carlos Garcia Campos <carlosgc src gnome org>]

commit 1b1ca4c1eebaaf2f41ee72755ec9b5c4c7e24631
Author: Carlos Garcia Campos <cgarcia igalia com>
Date:   Thu Jun 10 06:21:17 2021 +0200

    Make SoupSession a derivable class

 libsoup/soup-session.c | 12 ++++--------
 libsoup/soup-session.h | 20 +++++++++++++++++++-
 2 files changed, 23 insertions(+), 9 deletions(-)
---
diff --git a/libsoup/soup-session.c b/libsoup/soup-session.c
index 37e3e5ea..d1df9226 100644
--- a/libsoup/soup-session.c
+++ b/libsoup/soup-session.c
@@ -87,10 +87,6 @@ typedef struct {
 static guint soup_host_uri_hash (gconstpointer key);
 static gboolean soup_host_uri_equal (gconstpointer v1, gconstpointer v2);
 
-struct _SoupSession {
-       GObject parent;
-};
-
 typedef struct {
        gboolean disposed;
 
@@ -2626,8 +2622,8 @@ soup_session_class_init (SoupSessionClass *session_class)
        signals[REQUEST_QUEUED] =
                g_signal_new ("request-queued",
                              G_OBJECT_CLASS_TYPE (object_class),
-                             G_SIGNAL_RUN_FIRST,
-                             0, /* FIXME? */
+                              G_SIGNAL_RUN_LAST,
+                              G_STRUCT_OFFSET (SoupSessionClass, request_queued),
                              NULL, NULL,
                              NULL,
                              G_TYPE_NONE, 1,
@@ -2647,8 +2643,8 @@ soup_session_class_init (SoupSessionClass *session_class)
        signals[REQUEST_UNQUEUED] =
                g_signal_new ("request-unqueued",
                              G_OBJECT_CLASS_TYPE (object_class),
-                             G_SIGNAL_RUN_FIRST,
-                             0, /* FIXME? */
+                              G_SIGNAL_RUN_LAST,
+                              G_STRUCT_OFFSET (SoupSessionClass, request_unqueued),
                              NULL, NULL,
                              NULL,
                              G_TYPE_NONE, 1,
diff --git a/libsoup/soup-session.h b/libsoup/soup-session.h
index 624f580a..e8457aaa 100644
--- a/libsoup/soup-session.h
+++ b/libsoup/soup-session.h
@@ -13,7 +13,25 @@ G_BEGIN_DECLS
 
 #define SOUP_TYPE_SESSION soup_session_get_type ()
 SOUP_AVAILABLE_IN_ALL
-G_DECLARE_FINAL_TYPE (SoupSession, soup_session, SOUP, SESSION, GObject)
+G_DECLARE_DERIVABLE_TYPE (SoupSession, soup_session, SOUP, SESSION, GObject)
+
+struct _SoupSessionClass {
+        GObjectClass parent_class;
+
+        void (* request_queued)   (SoupSession *session,
+                                   SoupMessage *msg);
+        void (* request_unqueued) (SoupSession *session,
+                                   SoupMessage *msg);
+
+        void (*_soup_reserved1) (void);
+        void (*_soup_reserved2) (void);
+        void (*_soup_reserved3) (void);
+        void (*_soup_reserved4) (void);
+        void (*_soup_reserved5) (void);
+        void (*_soup_reserved6) (void);
+        void (*_soup_reserved7) (void);
+        void (*_soup_reserved8) (void);
+};
 
 SOUP_AVAILABLE_IN_ALL
 GQuark soup_session_error_quark (void);