layout/mathml/nsMathMLmactionFrame.h
author Mike Shal <mshal@mozilla.com>
Fri, 16 May 2014 14:37:31 -0400
changeset 210584 c0efa7f1e54c2dfbc9dfa77c49bf0411bc8b891d
parent 205771 e7cd2558a8214320282feb727a4df3b4c3133c23
child 212274 2d4b9bc5d6f50ee3ea353a3d982e6caea40425b5
permissions -rw-r--r--
Bug 978211 - add an automation/build target for post-build steps; r=glandium

/* -*- 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) MOZ_OVERRIDE;

  virtual void
  SetInitialChildList(ChildListID     aListID,
                      nsFrameList&    aChildList) MOZ_OVERRIDE;

  virtual nsresult
  ChildListChanged(int32_t aModType) MOZ_OVERRIDE;

  virtual nsresult
  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) :
    nsMathMLSelectedFrame(aContext) {}
  virtual ~nsMathMLmactionFrame();
  
private:
  int32_t         mActionType;
  int32_t         mChildCount;
  int32_t         mSelection;
  nsRefPtr<MouseListener> mListener;

  // helper to return the frame for the attribute selection="number"
  nsIFrame* 
  GetSelectedFrame() MOZ_OVERRIDE;
};

#endif /* nsMathMLmactionFrame_h___ */