1 files changed, 29 insertions, 0 deletions
diff --git a/layout/xul/MiddleCroppingLabelFrame.h b/layout/xul/MiddleCroppingLabelFrame.h
new file mode 100644
index 0000000000..2d0bdf8686
--- /dev/null
+++ b/layout/xul/MiddleCroppingLabelFrame.h
@@ -0,0 +1,29 @@
+/* -*- 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_MiddleCroppingLabelFrame_h
+#define mozilla_MiddleCroppingLabelFrame_h
+
+#include "MiddleCroppingBlockFrame.h"
+namespace mozilla {
+
+// A frame for a <xul:label> or <xul:description> with crop="center"
+class MiddleCroppingLabelFrame final : public MiddleCroppingBlockFrame {
+ public:
+  NS_DECL_QUERYFRAME
+  NS_DECL_FRAMEARENA_HELPERS(MiddleCroppingLabelFrame)
+
+  MiddleCroppingLabelFrame(ComputedStyle* aStyle, nsPresContext* aPresContext)
+      : MiddleCroppingBlockFrame(aStyle, aPresContext, kClassID) {}
+
+  void GetUncroppedValue(nsAString& aValue) override;
+  nsresult AttributeChanged(int32_t aNameSpaceID, nsAtom* aAttribute,
+                            int32_t aModType) override;
+};
+
+}  // namespace mozilla
+
+#endif