gecko/layout/mathml/nsMathMLmactionFrame.h

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/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
2012-05-21 04:12:37 -07:00
/* 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 "nsMathMLContainerFrame.h"
#include "nsIDOMEventListener.h"
#include "mozilla/Attributes.h"
//
// <maction> -- bind actions to a subexpression
//
class nsMathMLmactionFrame : public nsMathMLContainerFrame {
public:
NS_DECL_FRAMEARENA_HELPERS
friend nsIFrame* NS_NewMathMLmactionFrame(nsIPresShell* aPresShell, nsStyleContext* aContext);
NS_IMETHOD
TransmitAutomaticData();
NS_IMETHOD
Init(nsIContent* aContent,
nsIFrame* aParent,
nsIFrame* aPrevInFlow);
NS_IMETHOD
SetInitialChildList(ChildListID aListID,
nsFrameList& aChildList);
virtual nsresult
ChildListChanged(PRInt32 aModType);
NS_IMETHOD BuildDisplayList(nsDisplayListBuilder* aBuilder,
const nsRect& aDirtyRect,
const nsDisplayListSet& aLists);
virtual nsresult
Place(nsRenderingContext& aRenderingContext,
bool aPlaceOrigin,
nsHTMLReflowMetrics& aDesiredSize);
NS_IMETHOD
Reflow(nsPresContext* aPresContext,
nsHTMLReflowMetrics& aDesiredSize,
const nsHTMLReflowState& aReflowState,
nsReflowStatus& aStatus);
NS_IMETHOD
AttributeChanged(PRInt32 aNameSpaceID,
nsIAtom* aAttribute,
PRInt32 aModType);
private:
void MouseClick();
void MouseOver();
void MouseOut();
class MouseListener MOZ_FINAL : public nsIDOMEventListener
{
NS_DECL_ISUPPORTS
NS_DECL_NSIDOMEVENTLISTENER
MouseListener(nsMathMLmactionFrame* aOwner) : mOwner(aOwner) { };
nsMathMLmactionFrame* mOwner;
};
protected:
nsMathMLmactionFrame(nsStyleContext* aContext) : nsMathMLContainerFrame(aContext) {}
virtual ~nsMathMLmactionFrame();
virtual PRIntn GetSkipSides() const { return 0; }
private:
PRInt32 mActionType;
PRInt32 mChildCount;
PRInt32 mSelection;
nsIFrame* mSelectedFrame;
nsCOMPtr<MouseListener> mListener;
// helper to return the frame for the attribute selection="number"
nsIFrame*
GetSelectedFrame();
};
#endif /* nsMathMLmactionFrame_h___ */