1 files changed, 50 insertions, 0 deletions
diff --git a/dom/grid/GridTrack.h b/dom/grid/GridTrack.h
new file mode 100644
index 0000000000..fa78c2d5d0
--- /dev/null
+++ b/dom/grid/GridTrack.h
@@ -0,0 +1,50 @@
+/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* vim: set ts=8 sts=2 et sw=2 tw=80: */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+#ifndef mozilla_dom_GridTrack_h
+#define mozilla_dom_GridTrack_h
+
+#include "mozilla/dom/GridBinding.h"
+#include "nsWrapperCache.h"
+
+namespace mozilla::dom {
+
+class GridTracks;
+
+class GridTrack : public nsISupports, public nsWrapperCache {
+ public:
+  explicit GridTrack(GridTracks* parent);
+
+ protected:
+  virtual ~GridTrack();
+
+ public:
+  NS_DECL_CYCLE_COLLECTING_ISUPPORTS
+  NS_DECL_CYCLE_COLLECTION_WRAPPERCACHE_CLASS(GridTrack)
+
+  virtual JSObject* WrapObject(JSContext* aCx,
+                               JS::Handle<JSObject*> aGivenProto) override;
+  GridTracks* GetParentObject() { return mParent; }
+
+  double Start() const;
+  double Breadth() const;
+  GridDeclaration Type() const;
+  GridTrackState State() const;
+
+  void SetTrackValues(double aStart, double aBreadth, GridDeclaration aType,
+                      GridTrackState aState);
+
+ protected:
+  RefPtr<GridTracks> mParent;
+  double mStart;
+  double mBreadth;
+  GridDeclaration mType;
+  GridTrackState mState;
+};
+
+}  // namespace mozilla::dom
+
+#endif /* mozilla_dom_GridTrack_h */