gecko-dev/view/public/nsIEventProcessor.h
rods%netscape.com 37a4501149 Initial check in for print preview work it is complied in for Windows and linix only
The bulk of print preview can be turned on/off with NS_PRINT_PREVIEW define
Bug 107562 r=kmcclusk sr=attinasi
2001-11-03 14:59:39 +00:00

80 lines
2.9 KiB
C++

/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* ***** BEGIN LICENSE BLOCK *****
* Version: NPL 1.1/GPL 2.0/LGPL 2.1
*
* The contents of this file are subject to the Netscape Public License
* Version 1.1 (the "License"); you may not use this file except in
* compliance with the License. You may obtain a copy of the License at
* http://www.mozilla.org/NPL/
*
* Software distributed under the License is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
* for the specific language governing rights and limitations under the
* License.
*
* The Original Code is mozilla.org code.
*
* The Initial Developer of the Original Code is
* Netscape Communications Corporation.
* Portions created by the Initial Developer are Copyright (C) 1998
* the Initial Developer. All Rights Reserved.
*
* Contributor(s):
*
* Alternatively, the contents of this file may be used under the terms of
* either the GNU General Public License Version 2 or later (the "GPL"), or
* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
* in which case the provisions of the GPL or the LGPL are applicable instead
* of those above. If you wish to allow use of your version of this file only
* under the terms of either the GPL or the LGPL, and not to allow others to
* use your version of this file under the terms of the NPL, indicate your
* decision by deleting the provisions above and replace them with the notice
* and other provisions required by the GPL or the LGPL. If you do not delete
* the provisions above, a recipient may use your version of this file under
* the terms of any one of the NPL, the GPL or the LGPL.
*
* ***** END LICENSE BLOCK ***** */
#ifndef nsIEventProcessor_h___
#define nsIEventProcessor_h___
#include "nsISupports.h"
#include "nsEvent.h"
struct nsGUIEvent;
// IID for the nsIEventProcessor interface
// {DCC4C0F0-6D61-496f-96B1-F29226A62332}
#define NS_IEVENTPROCESSOR_IID \
{ 0xdcc4c0f0, 0x6d61, 0x496f, \
{ 0x96, 0xb1, 0xf2, 0x92, 0x26, 0xa6, 0x23, 0x32 } }
//----------------------------------------------------------------------
/**
* Event Processor interface
*
* Enables others to plug into the ViewManager so they can
* discard events of their choosing
*/
class nsIEventProcessor : public nsISupports
{
public:
NS_DEFINE_STATIC_IID_ACCESSOR(NS_IEVENTPROCESSOR_IID)
/**
* Returns NS_OK if event should be processed, return NS_ERROR_FAILURE if
* the event should be discarded
* @param aEvent an event to be looked at
* @param aStatus status of event
*/
NS_IMETHOD ProcessEvent(nsGUIEvent *aEvent, PRBool aIsInContentArea, nsEventStatus *aStatus) const = 0;
};
/* Use this macro when declaring classes that implement this interface. */
#define NS_DECL_NSIEVENTPROCESSOR \
NS_IMETHOD ProcessEvent(nsGUIEvent *aEvent, PRBool aIsInContentArea, nsEventStatus *aStatus) const;
#endif