Initial Commit

Library/PackageCache/com.unity.timeline@1.5.4/Editor/Window/Modes/TimelineMode.cs

@@ -0,0 +1,91 @@
+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 state.ignorePreview ? TimelineModeGUIState.Disabled : TimelineModeGUIState.Enabled;
+        }
+
+        public virtual TimelineModeGUIState EditModeButtonsState(WindowState state)
+        {
+            return TimelineModeGUIState.Enabled;
+        }
+    }
+
+    /// <summary>
+    /// Different mode for Timeline
+    /// </summary>
+    [Flags]
+    public enum TimelineModes
+    {
+        /// <summary>
+        /// A playable director with a valid timeline is selected in editor.
+        /// </summary>
+        Active = 1,
+        /// <summary>
+        /// The timeline is not editable. (the TimelineAsset file is either readonly on disk or locked by source control).
+        /// </summary>
+        ReadOnly = 2,
+        /// <summary>
+        /// The timeline cannot be played or previewed.
+        /// </summary>
+        Inactive = 4,
+        /// <summary>
+        /// Disabled Timeline.
+        /// </summary>
+        Disabled = 8,
+        /// <summary>
+        /// Timeline in AssetEditing mode.
+        /// This mode is enabled when a timeline asset is selected in the project window.
+        /// </summary>
+        AssetEdition = 16,
+        /// <summary>
+        /// The timeline can be edited (either through playable director or selected timeline asset in project window).
+        /// </summary>
+        Default = Active | AssetEdition
+    }
+}