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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/. */
#ifndef nsMathMLmactionFrame_h___
#define nsMathMLmactionFrame_h___
#include "nsCOMPtr.h"
#include "nsMathMLSelectedFrame.h"
#include "nsIDOMEventListener.h"
#include "mozilla/Attributes.h"
namespace mozilla {
class PresShell;
} // namespace mozilla
//
// <maction> -- bind actions to a subexpression
//
class nsMathMLmactionFrame final : public nsMathMLSelectedFrame {
public:
NS_DECL_FRAMEARENA_HELPERS(nsMathMLmactionFrame)
friend nsIFrame* NS_NewMathMLmactionFrame(mozilla::PresShell* aPresShell,
ComputedStyle* aStyle);
virtual void Init(nsIContent* aContent, nsContainerFrame* aParent,
nsIFrame* aPrevInFlow) override;
void SetInitialChildList(ChildListID aListID,
nsFrameList&& aChildList) override;
virtual nsresult ChildListChanged(int32_t aModType) override;
virtual nsresult AttributeChanged(int32_t aNameSpaceID, nsAtom* aAttribute,
int32_t aModType) override;
private:
void MouseClick();
void MouseOver();
void MouseOut();
class MouseListener final : public nsIDOMEventListener {
private:
~MouseListener() = default;
public:
NS_DECL_ISUPPORTS
NS_DECL_NSIDOMEVENTLISTENER
explicit MouseListener(nsMathMLmactionFrame* aOwner) : mOwner(aOwner) {}
nsMathMLmactionFrame* mOwner;
};
protected:
explicit nsMathMLmactionFrame(ComputedStyle* aStyle,
nsPresContext* aPresContext)
: nsMathMLSelectedFrame(aStyle, aPresContext, kClassID) {}
virtual ~nsMathMLmactionFrame();
private:
int32_t mActionType;
int32_t mChildCount;
int32_t mSelection;
RefPtr<MouseListener> mListener;
// helper to return the frame for the attribute selection="number"
nsIFrame* GetSelectedFrame() override;
};
#endif /* nsMathMLmactionFrame_h___ */