/* 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 "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;

  void Place(DrawTarget* aDrawTarget, const PlaceFlags& aFlags,
             ReflowOutput& aDesiredSize) override;

  static void PlaceMultiScript(
      nsPresContext* aPresContext, DrawTarget* aDrawTarget,
      const PlaceFlags& aFlags, ReflowOutput& aDesiredSize,
      nsMathMLContainerFrame* aFrame, 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_ */