SimpleXULLeafFrame.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/. */

// A simple frame class for XUL frames that are leafs on the tree but need

// background / border painting, and for some reason or another need special

// code (like event handling code) which we haven't ported to the DOM.

//

// This should generally not be used for new frame classes.

#ifndef mozilla_SimpleXULLeafFrame_h

#define mozilla_SimpleXULLeafFrame_h

#include "nsLeafFrame.h"

namespace mozilla {

// Shared class for thumb and scrollbar buttons.

class SimpleXULLeafFrame : public nsLeafFrame {

 public:

  NS_DECL_FRAMEARENA_HELPERS(SimpleXULLeafFrame)

  // TODO: Look at appearance instead maybe?

  nscoord GetIntrinsicISize() override { return 0; }

  nscoord GetIntrinsicBSize() override { return 0; }

  void Reflow(nsPresContext* aPresContext, ReflowOutput& aDesiredSize,

              const ReflowInput& aReflowInput,

              nsReflowStatus& aStatus) override;

  explicit SimpleXULLeafFrame(ComputedStyle* aStyle,

                              nsPresContext* aPresContext, ClassID aClassID)

      : nsLeafFrame(aStyle, aPresContext, aClassID) {}

  explicit SimpleXULLeafFrame(ComputedStyle* aStyle,

                              nsPresContext* aPresContext)

      : SimpleXULLeafFrame(aStyle, aPresContext, kClassID) {}

  friend nsIFrame* NS_NewSimpleXULLeafFrame(mozilla::PresShell* aPresShell,

                                            ComputedStyle* aStyle);

};

}  // namespace mozilla

#endif