test

My project/Library/PackageCache/com.unity.timeline/Editor/Window/TimelineWindow_PlaybackControls.cs

@@ -0,0 +1,105 @@
+using System;
+using System.Linq;
+using UnityEngine;
+using UnityEngine.Timeline;
+
+namespace UnityEditor.Timeline
+{
+    partial class TimelineWindow
+    {
+        /// <summary>
+        /// Internal class that implements TimelinePlaybackControls
+        /// </summary>
+        internal class TimelinePlaybackControlsImpl : ITimelinePlaybackControls
+        {
+            public TimelinePlaybackControlsImpl(IWindowStateProvider window)
+            {
+                if (window == null)
+                    throw new ArgumentNullException(nameof(window),
+                        "TimelineNavigator cannot be used with a null window");
+                m_Window = window;
+            }
+
+            public void Play()
+            {
+                windowState.SetPlaying(true);
+            }
+
+            public void Pause()
+            {
+                windowState.SetPlaying(false);
+            }
+
+            public void PreviousFrame()
+            {
+                windowState.editSequence.frame--;
+            }
+
+            public void NextFrame()
+            {
+                windowState.editSequence.frame++;
+            }
+
+            public void GoToFirstFrame()
+            {
+                windowState.editSequence.time = 0;
+            }
+
+            public void GoToLastFrame()
+            {
+                windowState.editSequence.time = windowState.editSequence.duration;
+            }
+
+            public void SetCurrentTime(double time, TimelinePlaybackControls.Context context)
+            {
+                ISequenceState targetSequenceState = GetTargetSequenceState(context);
+                targetSequenceState.time = time;
+            }
+
+            public void SetCurrentFrame(int frame, TimelinePlaybackControls.Context context)
+            {
+                ISequenceState targetSequenceState = GetTargetSequenceState(context);
+                targetSequenceState.frame = frame;
+            }
+
+            public double GetCurrentTime(TimelinePlaybackControls.Context context)
+            {
+                ISequenceState targetSequenceState = GetTargetSequenceState(context);
+                return targetSequenceState.time;
+            }
+
+            public int GetCurrentFrame(TimelinePlaybackControls.Context context)
+            {
+                ISequenceState targetSequenceState = GetTargetSequenceState(context);
+                return targetSequenceState.frame;
+            }
+
+            ISequenceState GetTargetSequenceState(TimelinePlaybackControls.Context context)
+            {
+                switch (context)
+                {
+                    case TimelinePlaybackControls.Context.Global:
+                        return windowState.masterSequence;
+                    case TimelinePlaybackControls.Context.Local:
+                        return windowState.editSequence;
+                    default:
+                        throw new ArgumentException("Unknown Context", nameof(context));
+                }
+            }
+
+            IWindowState windowState
+            {
+                get
+                {
+                    if (m_Window == null || m_Window.windowState == null)
+                        throw new InvalidOperationException("The Window associated to this instance has been destroyed");
+                    return m_Window.windowState;
+                }
+            }
+
+            readonly IWindowStateProvider m_Window;
+        }
+
+        public override TimelinePlaybackControls playbackControls => new TimelinePlaybackControls(this);
+    }
+}