Add m-esr52 at 52.6.0

1 files changed, 57 insertions, 0 deletions

diff --git a/layout/mathml/nsMathMLmsqrtFrame.cpp b/layout/mathml/nsMathMLmsqrtFrame.cpp
new file mode 100644
index 000000000..096d54769
--- /dev/null
+++ b/layout/mathml/nsMathMLmsqrtFrame.cpp
@@ -0,0 +1,57 @@
+/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* 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 "nsMathMLmsqrtFrame.h"
+#include "mozilla/gfx/2D.h"
+
+//
+// <msqrt> -- form a radical - implementation
+//
+
+nsIFrame*
+NS_NewMathMLmsqrtFrame(nsIPresShell* aPresShell, nsStyleContext* aContext)
+{
+  return new (aPresShell) nsMathMLmsqrtFrame(aContext);
+}
+
+NS_IMPL_FRAMEARENA_HELPERS(nsMathMLmsqrtFrame)
+
+nsMathMLmsqrtFrame::nsMathMLmsqrtFrame(nsStyleContext* aContext) :
+  nsMathMLmencloseFrame(aContext)
+{
+}
+
+nsMathMLmsqrtFrame::~nsMathMLmsqrtFrame()
+{
+}
+
+void
+nsMathMLmsqrtFrame::Init(nsIContent*       aContent,
+                         nsContainerFrame* aParent,
+                         nsIFrame*         aPrevInFlow)
+{
+  nsMathMLContainerFrame::Init(aContent, aParent, aPrevInFlow);
+  AllocateMathMLChar(NOTATION_RADICAL);
+  mNotationsToDraw |= NOTATION_RADICAL;
+}
+
+NS_IMETHODIMP
+nsMathMLmsqrtFrame::InheritAutomaticData(nsIFrame* aParent)
+{
+  nsMathMLContainerFrame::InheritAutomaticData(aParent);
+
+  mPresentationData.flags |= NS_MATHML_STRETCH_ALL_CHILDREN_VERTICALLY;
+
+  return NS_OK;
+}
+
+nsresult
+nsMathMLmsqrtFrame::AttributeChanged(int32_t         aNameSpaceID,
+                                     nsIAtom*        aAttribute,
+                                     int32_t         aModType)
+{
+  return nsMathMLContainerFrame::
+    AttributeChanged(aNameSpaceID, aAttribute, aModType);
+}