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import FIREFOX_52_6_0esr_RELEASE from mozilla-esr52 hg repo

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Roy Tam 2018-01-19 03:59:58 +08:00
commit dcd9973243
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76
layout/mathml/nsMathMLmactionFrame.h Normal file
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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/. */
#ifndef nsMathMLmactionFrame_h___
#define nsMathMLmactionFrame_h___
#include "nsCOMPtr.h"
#include "nsMathMLSelectedFrame.h"
#include "nsIDOMEventListener.h"
#include "mozilla/Attributes.h"
//
// <maction> -- bind actions to a subexpression
//
class nsMathMLmactionFrame : public nsMathMLSelectedFrame {
public:
NS_DECL_FRAMEARENA_HELPERS
friend nsIFrame* NS_NewMathMLmactionFrame(nsIPresShell* aPresShell, nsStyleContext* aContext);
virtual void
Init(nsIContent* aContent,
nsContainerFrame* aParent,
nsIFrame* aPrevInFlow) override;
virtual void
SetInitialChildList(ChildListID aListID,
nsFrameList& aChildList) override;
virtual nsresult
ChildListChanged(int32_t aModType) override;
virtual nsresult
AttributeChanged(int32_t aNameSpaceID,
nsIAtom* aAttribute,
int32_t aModType) override;
private:
void MouseClick();
void MouseOver();
void MouseOut();
class MouseListener final : public nsIDOMEventListener
{
private:
~MouseListener() {}
public:
NS_DECL_ISUPPORTS
NS_DECL_NSIDOMEVENTLISTENER
explicit MouseListener(nsMathMLmactionFrame* aOwner) : mOwner(aOwner) { }
nsMathMLmactionFrame* mOwner;
};
protected:
explicit nsMathMLmactionFrame(nsStyleContext* aContext) :
nsMathMLSelectedFrame(aContext) {}
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___ */