1 files changed, 38 insertions, 0 deletions
diff --git a/layout/xul/MiddleCroppingLabelFrame.cpp b/layout/xul/MiddleCroppingLabelFrame.cpp
new file mode 100644
index 0000000000..73cb15be74
--- /dev/null
+++ b/layout/xul/MiddleCroppingLabelFrame.cpp
@@ -0,0 +1,38 @@
+/* -*- 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/. */
+
+#include "MiddleCroppingLabelFrame.h"
+#include "MiddleCroppingBlockFrame.h"
+#include "mozilla/dom/Element.h"
+#include "mozilla/PresShell.h"
+
+nsIFrame* NS_NewMiddleCroppingLabelFrame(mozilla::PresShell* aPresShell,
+                                         mozilla::ComputedStyle* aStyle) {
+  return new (aPresShell)
+      mozilla::MiddleCroppingLabelFrame(aStyle, aPresShell->GetPresContext());
+}
+
+namespace mozilla {
+
+void MiddleCroppingLabelFrame::GetUncroppedValue(nsAString& aValue) {
+  mContent->AsElement()->GetAttr(nsGkAtoms::value, aValue);
+}
+
+nsresult MiddleCroppingLabelFrame::AttributeChanged(int32_t aNameSpaceID,
+                                                    nsAtom* aAttribute,
+                                                    int32_t aModType) {
+  if (aNameSpaceID == kNameSpaceID_None && aAttribute == nsGkAtoms::value) {
+    UpdateDisplayedValueToUncroppedValue(true);
+  }
+  return NS_OK;
+}
+
+NS_QUERYFRAME_HEAD(MiddleCroppingLabelFrame)
+  NS_QUERYFRAME_ENTRY(MiddleCroppingLabelFrame)
+NS_QUERYFRAME_TAIL_INHERITING(MiddleCroppingBlockFrame)
+NS_IMPL_FRAMEARENA_HELPERS(MiddleCroppingLabelFrame)
+
+}  // namespace mozilla