lib: object: add functions to test active and supported features

lib/wp/object.c

@@ -336,6 +336,23 @@ wp_object_get_active_features (WpObject * self)
   return priv->ft_active;
 }
 
+/*!
+ * \brief Checks if the given features are active on this object.
+ * \param self the object
+ * \param features the features to check
+ * \returns TRUE if all the given features are active on this object
+ * \ingroup wpobject
+ * \since 0.5.0
+ */
+gboolean
+wp_object_test_active_features (WpObject * self, WpObjectFeatures features)
+{
+  g_return_val_if_fail (WP_IS_OBJECT (self), FALSE);
+
+  WpObjectPrivate *priv = wp_object_get_instance_private (self);
+  return (priv->ft_active & features) == features;
+}
+
 /*!
  * \brief Gets the supported features of this object.
  * \ingroup wpobject
@@ -352,6 +369,20 @@ wp_object_get_supported_features (WpObject * self)
   return WP_OBJECT_GET_CLASS (self)->get_supported_features (self);
 }
 
+/*!
+ * \brief Checks if the given features are supported on this object.
+ * \param self the object
+ * \param features the features to check
+ * \returns TRUE if all the given features are supported on this object
+ * \ingroup wpobject
+ * \since 0.5.0
+ */
+gboolean
+wp_object_test_supported_features (WpObject * self, WpObjectFeatures features)
+{
+  return (wp_object_get_supported_features (self) & features) == features;
+}
+
 static gboolean
 wp_object_advance_transitions (WpObject * self)
 {

lib/wp/object.h

@@ -89,9 +89,15 @@ WpCore * wp_object_get_core (WpObject * self);
 WP_API
 WpObjectFeatures wp_object_get_active_features (WpObject * self);
 
+WP_API
+gboolean wp_object_test_active_features (WpObject * self, WpObjectFeatures features);
+
 WP_API
 WpObjectFeatures wp_object_get_supported_features (WpObject * self);
 
+WP_API
+gboolean wp_object_test_supported_features (WpObject * self, WpObjectFeatures features);
+
 WP_API
 void wp_object_activate (WpObject * self,
     WpObjectFeatures features, GCancellable * cancellable,