Initial Commit

Library/PackageCache/com.unity.timeline@1.5.4/Runtime/Attributes/TimelineHelpURLAttribute.cs

@@ -0,0 +1,46 @@
+#if UNITY_EDITOR && UNITY_2021_1_OR_NEWER
+#define CAN_USE_CUSTOM_HELP_URL
+#endif
+
+using System;
+using System.Diagnostics;
+using UnityEngine;
+
+namespace UnityEngine.Timeline
+{
+#if CAN_USE_CUSTOM_HELP_URL
+
+    using UnityEditor.PackageManager;
+
+    [Conditional("UNITY_EDITOR")]
+    class TimelineHelpURLAttribute : HelpURLAttribute
+    {
+        const string k_BaseURL = "https://docs.unity3d.com/Packages/com.unity.timeline@";
+        const string k_MidURL = "/api/";
+        const string k_EndURL = ".html";
+        const string k_FallbackVersion = "latest";
+
+        static readonly string k_PackageVersion;
+
+        static TimelineHelpURLAttribute()
+        {
+            PackageInfo packageInfo = PackageInfo.FindForAssembly(typeof(TimelineAsset).Assembly);
+            k_PackageVersion = packageInfo == null ? k_FallbackVersion : packageInfo.version.Substring(0, 3);
+        }
+
+        public TimelineHelpURLAttribute(Type type)
+            : base(HelpURL(type)) {}
+
+        static string HelpURL(Type type)
+        {
+            return $"{k_BaseURL}{k_PackageVersion}{k_MidURL}{type.FullName}{k_EndURL}";
+        }
+    }
+#else //HelpURL attribute is `sealed` in previous Unity versions
+    [Conditional("UNITY_EDITOR")]
+    class TimelineHelpURLAttribute : Attribute
+    {
+        public TimelineHelpURLAttribute(Type type) {}
+    }
+#endif
+}