gecko-dev/layout/xul/nsDeckFrame.h

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2.2 KiB
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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/. */
/**
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 deck of cards.
**/
#ifndef nsDeckFrame_h___
#define nsDeckFrame_h___
#include "mozilla/Attributes.h"
#include "nsBoxFrame.h"
class nsDeckFrame : public nsBoxFrame
{
public:
NS_DECL_QUERYFRAME_TARGET(nsDeckFrame)
NS_DECL_QUERYFRAME
NS_DECL_FRAMEARENA_HELPERS
friend nsIFrame* NS_NewDeckFrame(nsIPresShell* aPresShell,
nsStyleContext* aContext);
virtual nsresult AttributeChanged(int32_t aNameSpaceID,
nsIAtom* aAttribute,
int32_t aModType) MOZ_OVERRIDE;
NS_IMETHOD DoLayout(nsBoxLayoutState& aState) MOZ_OVERRIDE;
virtual void BuildDisplayList(nsDisplayListBuilder* aBuilder,
const nsRect& aDirtyRect,
const nsDisplayListSet& aLists) MOZ_OVERRIDE;
virtual void BuildDisplayListForChildren(nsDisplayListBuilder* aBuilder,
const nsRect& aDirtyRect,
const nsDisplayListSet& aLists) MOZ_OVERRIDE;
virtual void Init(nsIContent* aContent,
nsContainerFrame* aParent,
nsIFrame* aPrevInFlow) MOZ_OVERRIDE;
virtual nsIAtom* GetType() const MOZ_OVERRIDE;
#ifdef DEBUG_FRAME_DUMP
virtual nsresult GetFrameName(nsAString& aResult) const MOZ_OVERRIDE
{
return MakeFrameName(NS_LITERAL_STRING("Deck"), aResult);
}
#endif
nsDeckFrame(nsIPresShell* aPresShell, nsStyleContext* aContext);
nsIFrame* GetSelectedBox();
protected:
void IndexChanged();
int32_t GetSelectedIndex();
void HideBox(nsIFrame* aBox);
private:
int32_t mIndex;
}; // class nsDeckFrame
#endif