object: allow hooking into IdeObject::set_context()

libide/ide-object.c

@@ -138,6 +138,9 @@ ide_object_set_context (IdeObject  *self,
                              self);
         }
 
+      if (IDE_OBJECT_GET_CLASS (self)->set_context)
+        IDE_OBJECT_GET_CLASS (self)->set_context (self, context);
+
       g_object_notify_by_pspec (G_OBJECT (self), gParamSpecs [PROP_CONTEXT]);
     }
 }

libide/ide-object.h

@@ -33,7 +33,9 @@ struct _IdeObjectClass
 {
   GObjectClass parent;
 
-  void (*destroy) (IdeObject *self);
+  void (*destroy)     (IdeObject  *self);
+  void (*set_context) (IdeObject  *self,
+                       IdeContext *context);
 };
 
 IdeContext *ide_object_get_context (IdeObject            *self);