1 files changed, 71 insertions, 0 deletions
diff --git a/Library/PackageCache/com.unity.timeline@1.2.13/Editor/Window/Modes/TimelineMode.cs b/Library/PackageCache/com.unity.timeline@1.2.13/Editor/Window/Modes/TimelineMode.cs
new file mode 100644
index 0000000..1a46841
--- /dev/null
+++ b/Library/PackageCache/com.unity.timeline@1.2.13/Editor/Window/Modes/TimelineMode.cs
@@ -0,0 +1,71 @@
+using System;
+using UnityEngine;
+
+namespace UnityEditor.Timeline
+{
+    enum TimelineModeGUIState
+    {
+        Disabled,
+        Hidden,
+        Enabled
+    }
+
+    abstract class TimelineMode
+    {
+        public struct HeaderState
+        {
+            public TimelineModeGUIState breadCrumb;
+            public TimelineModeGUIState sequenceSelector;
+            public TimelineModeGUIState options;
+        }
+
+        public struct TrackOptionsState
+        {
+            public TimelineModeGUIState newButton;
+            public TimelineModeGUIState editAsAssetButton;
+        }
+
+        public HeaderState headerState { get; protected set; }
+        public TrackOptionsState trackOptionsState { get; protected set; }
+        public TimelineModes mode { get; protected set; }
+
+        public abstract bool ShouldShowPlayRange(WindowState state);
+        public abstract bool ShouldShowTimeCursor(WindowState state);
+
+        public virtual bool ShouldShowTrackBindings(WindowState state)
+        {
+            return ShouldShowTimeCursor(state);
+        }
+
+        public virtual bool ShouldShowTimeArea(WindowState state)
+        {
+            return !state.IsEditingAnEmptyTimeline();
+        }
+
+        public abstract TimelineModeGUIState TrackState(WindowState state);
+        public abstract TimelineModeGUIState ToolbarState(WindowState state);
+
+        public virtual TimelineModeGUIState PreviewState(WindowState state)
+        {
+            return Application.isPlaying ? TimelineModeGUIState.Disabled : TimelineModeGUIState.Enabled;
+        }
+
+        public virtual TimelineModeGUIState EditModeButtonsState(WindowState state)
+        {
+            return TimelineModeGUIState.Enabled;
+        }
+    }
+
+    [Flags]
+    internal enum TimelineModes
+    {
+        None = 0,
+        Active = 1,
+        ReadOnly = 2,
+        Inactive = 4,
+        Disabled = 8,
+        AssetEdition = 16,
+        All = Active | ReadOnly | Inactive | Disabled,
+        Default = Active | AssetEdition
+    }
+}