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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/. */
/**
Eric D Vaughan
A frame that can have multiple children. Only one child may be displayed at
one time. So the can be flipped though like a Stack of cards.
**/
#ifndef nsStackFrame_h___
#define nsStackFrame_h___
#include "mozilla/Attributes.h"
#include "nsBoxFrame.h"
namespace mozilla {
class PresShell;
} // namespace mozilla
class nsStackFrame final : public nsBoxFrame {
public:
NS_DECL_FRAMEARENA_HELPERS(nsStackFrame)
friend nsIFrame* NS_NewStackFrame(mozilla::PresShell* aPresShell,
ComputedStyle* aStyle);
#ifdef DEBUG_FRAME_DUMP
virtual nsresult GetFrameName(nsAString& aResult) const override {
return MakeFrameName(u"Stack"_ns, aResult);
}
#endif
virtual void BuildDisplayListForChildren(
nsDisplayListBuilder* aBuilder, const nsDisplayListSet& aLists) override;
protected:
explicit nsStackFrame(ComputedStyle* aStyle, nsPresContext* aPresContext);
}; // class nsStackFrame
#endif
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