gecko-dev/layout/base/public/nsIFocusTracker.h
1998-12-14 18:31:13 +00:00

49 lines
1.6 KiB
C++

/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
*
* The contents of this file are subject to the Netscape Public License
* Version 1.0 (the "NPL"); you may not use this file except in
* compliance with the NPL. You may obtain a copy of the NPL at
* http://www.mozilla.org/NPL/
*
* Software distributed under the NPL is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the NPL
* for the specific language governing rights and limitations under the
* NPL.
*
* The Initial Developer of this code under the NPL is Netscape
* Communications Corporation. Portions created by Netscape are
* Copyright (C) 1998 Netscape Communications Corporation. All Rights
* Reserved.
*/
#ifndef nsIFocusTracker_h___
#define nsIFocusTracker_h___
#include "nsISupports.h"
#include "nsIFrame.h"
// IID for the nsIFocusTracker interface
#define NS_IFOCUSTRACKER_IID \
{ 0x81ac51d1, 0x923b, 0x11d2, \
{ 0x91, 0x8f, 0x0, 0x80, 0xc8, 0xe4, 0x4d, 0xb5 } }
class nsIFocusTracker : public nsISupports
{
public:
/** SetFocus will keep track of the new frame as the focus frame.
* as well as keeping track of the anchor frame; <BR>
* @param aFrame will be the focus frame
* @param aAnchorFrame will be the anchor frame
*/
virtual nsresult SetFocus(nsIFrame *aFrame, nsIFrame *aAnchorFrame) = 0;
/** GetFocus give the frame and the anchor frame.
* @param aFrame will be the focus frame
* @param aAnchorFrame will be the anchor frame
*/
virtual nsresult GetFocus(nsIFrame **aFrame, nsIFrame **aAnchorFrame) = 0;
};
#endif //nsIFocusTracker_h___