1 files changed, 59 insertions, 0 deletions
diff --git a/Assets/uGUI-2017.1/UnityEngine.UI/EventSystem/UIBehaviour.cs b/Assets/uGUI-2017.1/UnityEngine.UI/EventSystem/UIBehaviour.cs
new file mode 100644
index 0000000..523fe50
--- /dev/null
+++ b/Assets/uGUI-2017.1/UnityEngine.UI/EventSystem/UIBehaviour.cs
@@ -0,0 +1,59 @@
+namespace UnityEngine.EventSystems
+{
+    public abstract class UIBehaviour : MonoBehaviour
+    {
+        protected virtual void Awake()
+        {}
+
+        protected virtual void OnEnable()
+        {}
+
+        protected virtual void Start()
+        {}
+
+        protected virtual void OnDisable()
+        {}
+
+        protected virtual void OnDestroy()
+        {}
+
+        public virtual bool IsActive()
+        {
+            return isActiveAndEnabled;
+        }
+
+#if UNITY_EDITOR
+        protected virtual void OnValidate()
+        {}
+
+        protected virtual void Reset()
+        {}
+#endif
+
+        protected virtual void OnRectTransformDimensionsChange()
+        {}
+
+        protected virtual void OnBeforeTransformParentChanged()
+        {}
+
+        protected virtual void OnTransformParentChanged()
+        {}
+
+        protected virtual void OnDidApplyAnimationProperties()
+        {}
+
+        protected virtual void OnCanvasGroupChanged()
+        {}
+
+        protected virtual void OnCanvasHierarchyChanged()
+        {}
+
+        public bool IsDestroyed()
+        {
+            // Workaround for Unity native side of the object
+            // having been destroyed but accessing via interface
+            // won't call the overloaded ==
+            return this == null;
+        }
+    }
+}