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-rw-r--r--layout/mathml/nsMathMLmmultiscriptsFrame.h54
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diff --git a/layout/mathml/nsMathMLmmultiscriptsFrame.h b/layout/mathml/nsMathMLmmultiscriptsFrame.h
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+/* -*- 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 nsMathMLmmultiscriptsFrame_h___
+#define nsMathMLmmultiscriptsFrame_h___
+
+#include "mozilla/Attributes.h"
+#include "nsMathMLContainerFrame.h"
+
+namespace mozilla {
+class PresShell;
+} // namespace mozilla
+
+//
+// <mmultiscripts> -- attach prescripts and tensor indices to a base
+// <msub> -- attach a subscript to a base
+// <msubsup> -- attach a subscript-superscript pair to a base
+// <msup> -- attach a superscript to a base
+//
+
+class nsMathMLmmultiscriptsFrame final : public nsMathMLContainerFrame {
+ public:
+ NS_DECL_FRAMEARENA_HELPERS(nsMathMLmmultiscriptsFrame)
+
+ friend nsIFrame* NS_NewMathMLmmultiscriptsFrame(
+ mozilla::PresShell* aPresShell, ComputedStyle* aStyle);
+
+ NS_IMETHOD
+ TransmitAutomaticData() override;
+
+ virtual nsresult Place(DrawTarget* aDrawTarget, bool aPlaceOrigin,
+ ReflowOutput& aDesiredSize) override;
+
+ static nsresult PlaceMultiScript(nsPresContext* aPresContext,
+ DrawTarget* aDrawTarget, bool aPlaceOrigin,
+ ReflowOutput& aDesiredSize,
+ nsMathMLContainerFrame* aForFrame,
+ nscoord aUserSubScriptShift,
+ nscoord aUserSupScriptShift,
+ float aFontSizeInflation);
+
+ uint8_t ScriptIncrement(nsIFrame* aFrame) override;
+
+ protected:
+ explicit nsMathMLmmultiscriptsFrame(ComputedStyle* aStyle,
+ nsPresContext* aPresContext)
+ : nsMathMLContainerFrame(aStyle, aPresContext, kClassID) {}
+ virtual ~nsMathMLmmultiscriptsFrame();
+};
+
+#endif /* nsMathMLmmultiscriptsFrame_h___ */