gecko-dev/layout/mathml/nsMathMLmactionFrame.h
2012-12-09 22:53:19 +05:30

93 lines
2.6 KiB
C++

/* -*- 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 "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) MOZ_OVERRIDE;
virtual nsresult
ChildListChanged(int32_t aModType) MOZ_OVERRIDE;
NS_IMETHOD BuildDisplayList(nsDisplayListBuilder* aBuilder,
const nsRect& aDirtyRect,
const nsDisplayListSet& aLists) MOZ_OVERRIDE;
virtual nsresult
Place(nsRenderingContext& aRenderingContext,
bool aPlaceOrigin,
nsHTMLReflowMetrics& aDesiredSize) MOZ_OVERRIDE;
NS_IMETHOD
Reflow(nsPresContext* aPresContext,
nsHTMLReflowMetrics& aDesiredSize,
const nsHTMLReflowState& aReflowState,
nsReflowStatus& aStatus) MOZ_OVERRIDE;
NS_IMETHOD
AttributeChanged(int32_t aNameSpaceID,
nsIAtom* aAttribute,
int32_t aModType) MOZ_OVERRIDE;
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 int GetSkipSides() const { return 0; }
private:
int32_t mActionType;
int32_t mChildCount;
int32_t mSelection;
nsIFrame* mSelectedFrame;
nsCOMPtr<MouseListener> mListener;
// helper to return the frame for the attribute selection="number"
nsIFrame*
GetSelectedFrame();
};
#endif /* nsMathMLmactionFrame_h___ */