1 files changed, 47 insertions, 0 deletions
diff --git a/Library/PackageCache/com.unity.timeline@1.2.13/Editor/Utilities/CustomTrackDrawerAttribute.cs b/Library/PackageCache/com.unity.timeline@1.2.13/Editor/Utilities/CustomTrackDrawerAttribute.cs
new file mode 100644
index 0000000..021a635
--- /dev/null
+++ b/Library/PackageCache/com.unity.timeline@1.2.13/Editor/Utilities/CustomTrackDrawerAttribute.cs
@@ -0,0 +1,47 @@
+using System;
+
+namespace UnityEditor.Timeline
+{
+    // Tells a custom [[TrackDrawer]] which [[TrackAsset]] it's a drawer for.
+    sealed class CustomTrackDrawerAttribute : Attribute
+    {
+        public Type assetType;
+        public CustomTrackDrawerAttribute(Type type)
+        {
+            assetType = type;
+        }
+    }
+
+    /// <summary>
+    /// Attribute that specifies a class as an editor for an extended Timeline type.
+    /// </summary>
+    /// <remarks>
+    /// Use this attribute on a class that extends ClipEditor, TrackEditor, or MarkerEditor to specify either the PlayableAsset, Marker, or TrackAsset derived classes for associated customization.
+    /// </remarks>
+    /// <example>
+    /// [CustomTimelineEditor(typeof(LightControlClip))]
+    /// class LightControlClipEditor : ClipEditor
+    /// {
+    /// }
+    /// </example>
+    [AttributeUsage(AttributeTargets.Class, AllowMultiple = false, Inherited = true)]
+    public sealed class CustomTimelineEditorAttribute : Attribute
+    {
+        /// <summary>
+        /// The type that that this editor applies to.
+        /// </summary>
+        public Type classToEdit { get; private set; }
+
+        /// <summary>
+        /// Constructor.
+        /// </summary>
+        /// <param name="type"> The type that that this editor applies to.</param>
+        /// <exception cref="ArgumentNullException">Thrown if type is null</exception>
+        public CustomTimelineEditorAttribute(Type type)
+        {
+            if (type == null)
+                throw new System.ArgumentNullException(nameof(type));
+            classToEdit = type;
+        }
+    }
+}