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-rw-r--r--layout/mathml/nsMathMLmunderoverFrame.h57
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diff --git a/layout/mathml/nsMathMLmunderoverFrame.h b/layout/mathml/nsMathMLmunderoverFrame.h
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+++ b/layout/mathml/nsMathMLmunderoverFrame.h
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+/* -*- 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/. */
+
+#ifndef nsMathMLmunderoverFrame_h___
+#define nsMathMLmunderoverFrame_h___
+
+#include "mozilla/Attributes.h"
+#include "nsMathMLContainerFrame.h"
+
+//
+// <munderover> -- attach an underscript-overscript pair to a base
+//
+
+class nsMathMLmunderoverFrame : public nsMathMLContainerFrame {
+public:
+ NS_DECL_FRAMEARENA_HELPERS
+
+ friend nsIFrame* NS_NewMathMLmunderoverFrame(nsIPresShell* aPresShell, nsStyleContext* aContext);
+
+ virtual nsresult
+ Place(DrawTarget* aDrawTarget,
+ bool aPlaceOrigin,
+ ReflowOutput& aDesiredSize) override;
+
+ NS_IMETHOD
+ InheritAutomaticData(nsIFrame* aParent) override;
+
+ NS_IMETHOD
+ TransmitAutomaticData() override;
+
+ NS_IMETHOD
+ UpdatePresentationData(uint32_t aFlagsValues,
+ uint32_t aFlagsToUpdate) override;
+
+ virtual nsresult
+ AttributeChanged(int32_t aNameSpaceID,
+ nsIAtom* aAttribute,
+ int32_t aModType) override;
+
+ uint8_t
+ ScriptIncrement(nsIFrame* aFrame) override;
+
+protected:
+ explicit nsMathMLmunderoverFrame(nsStyleContext* aContext) : nsMathMLContainerFrame(aContext),
+ mIncrementUnder(false),
+ mIncrementOver(false) {}
+ virtual ~nsMathMLmunderoverFrame();
+
+private:
+ bool mIncrementUnder;
+ bool mIncrementOver;
+};
+
+
+#endif /* nsMathMLmunderoverFrame_h___ */