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75 lines
2.1 KiB
C++
75 lines
2.1 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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/**
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Eric D Vaughan
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A frame that can have multiple children. Only one child may be displayed at one time. So the
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can be flipped though like a deck of cards.
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**/
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#ifndef nsDeckFrame_h___
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#define nsDeckFrame_h___
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#include "mozilla/Attributes.h"
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#include "nsBoxFrame.h"
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class nsDeckFrame final : public nsBoxFrame
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{
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public:
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NS_DECL_QUERYFRAME
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NS_DECL_FRAMEARENA_HELPERS(nsDeckFrame)
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friend nsIFrame* NS_NewDeckFrame(nsIPresShell* aPresShell,
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nsStyleContext* aContext);
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virtual nsresult AttributeChanged(int32_t aNameSpaceID,
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nsIAtom* aAttribute,
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int32_t aModType) override;
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NS_IMETHOD DoXULLayout(nsBoxLayoutState& aState) override;
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virtual void BuildDisplayList(nsDisplayListBuilder* aBuilder,
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const nsRect& aDirtyRect,
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const nsDisplayListSet& aLists) override;
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virtual void RemoveFrame(ChildListID aListID,
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nsIFrame* aOldFrame) override;
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virtual void BuildDisplayListForChildren(nsDisplayListBuilder* aBuilder,
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const nsRect& aDirtyRect,
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const nsDisplayListSet& aLists) override;
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virtual void Init(nsIContent* aContent,
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nsContainerFrame* aParent,
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nsIFrame* aPrevInFlow) override;
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#ifdef DEBUG_FRAME_DUMP
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virtual nsresult GetFrameName(nsAString& aResult) const override
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{
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return MakeFrameName(NS_LITERAL_STRING("Deck"), aResult);
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}
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#endif
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explicit nsDeckFrame(nsStyleContext* aContext);
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nsIFrame* GetSelectedBox();
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protected:
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void IndexChanged();
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int32_t GetSelectedIndex();
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void HideBox(nsIFrame* aBox);
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private:
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int32_t mIndex;
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}; // class nsDeckFrame
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#endif
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