1 files changed, 86 insertions, 0 deletions
diff --git a/Library/PackageCache/com.unity.timeline@1.2.13/Editor/treeview/Drawers/InfiniteTrackDrawer.cs b/Library/PackageCache/com.unity.timeline@1.2.13/Editor/treeview/Drawers/InfiniteTrackDrawer.cs
new file mode 100644
index 0000000..b2c5d7f
--- /dev/null
+++ b/Library/PackageCache/com.unity.timeline@1.2.13/Editor/treeview/Drawers/InfiniteTrackDrawer.cs
@@ -0,0 +1,86 @@
+using UnityEngine;
+using UnityEngine.Timeline;
+
+namespace UnityEditor.Timeline
+{
+    class InfiniteTrackDrawer : TrackDrawer
+    {
+        readonly IPropertyKeyDataSource m_DataSource;
+        Rect m_TrackRect;
+
+        public InfiniteTrackDrawer(IPropertyKeyDataSource dataSource)
+        {
+            m_DataSource = dataSource;
+        }
+
+        public bool CanDraw(TrackAsset track, WindowState state)
+        {
+            var keys = m_DataSource.GetKeys();
+            var isTrackEmpty = track.clips.Length == 0;
+
+            return keys != null || (state.IsArmedForRecord(track) && isTrackEmpty);
+        }
+
+        static void DrawRecordBackground(Rect trackRect)
+        {
+            var styles = DirectorStyles.Instance;
+
+            EditorGUI.DrawRect(trackRect, styles.customSkin.colorInfiniteTrackBackgroundRecording);
+
+            Graphics.ShadowLabel(trackRect,
+                DirectorStyles.Elipsify(DirectorStyles.recordingLabel.text, trackRect, styles.fontClip),
+                styles.fontClip, Color.white, Color.black);
+        }
+
+        public override bool DrawTrack(Rect trackRect, TrackAsset trackAsset, Vector2 visibleTime, WindowState state)
+        {
+            m_TrackRect = trackRect;
+
+            if (!CanDraw(trackAsset, state))
+                return true;
+
+            if (state.recording && state.IsArmedForRecord(trackAsset))
+                DrawRecordBackground(trackRect);
+
+            GUI.Box(trackRect, GUIContent.none, DirectorStyles.Instance.infiniteTrack);
+
+            var shadowRect = trackRect;
+            shadowRect.yMin = shadowRect.yMax;
+            shadowRect.height = 15.0f;
+            if (Event.current.type == EventType.Repaint)
+                DirectorStyles.Instance.bottomShadow.Draw(shadowRect, false, false, false, false);
+
+            var keys = m_DataSource.GetKeys();
+            if (keys != null && keys.Length > 0)
+            {
+                foreach (var k in keys)
+                    DrawKeyFrame(k, state);
+            }
+
+            return true;
+        }
+
+        void DrawKeyFrame(float key, WindowState state)
+        {
+            var x = state.TimeToPixel(key);
+            var bounds = new Rect(x, m_TrackRect.yMin + 3.0f, 1.0f, m_TrackRect.height - 6.0f);
+
+            if (!m_TrackRect.Overlaps(bounds))
+                return;
+
+            var iconWidth = DirectorStyles.Instance.keyframe.fixedWidth;
+            var iconHeight = DirectorStyles.Instance.keyframe.fixedHeight;
+
+            var keyframeRect = bounds;
+            keyframeRect.width = iconWidth;
+            keyframeRect.height = iconHeight;
+            keyframeRect.xMin -= iconWidth / 2.0f;
+            keyframeRect.yMin = m_TrackRect.yMin + ((m_TrackRect.height - iconHeight) / 2.0f);
+
+            // case 890650 : Make sure to use GUI.Label and not GUI.Box since the number of key frames can vary while dragging keys in the inline curves causing hotControls to be desynchronized
+            GUI.Label(keyframeRect, GUIContent.none, DirectorStyles.Instance.keyframe);
+
+            EditorGUI.DrawRect(bounds, DirectorStyles.Instance.customSkin.colorInfiniteClipLine);
+        }
+    }
+}