pjs/lib/mac/UserInterface/CApplicationEventAttachment.h

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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*-
*
* 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 Netscape are
* Copyright (C) 1998 Netscape Communications Corporation. All
* Rights Reserved.
*
* Contributor(s):
*/
// Usage Notes:
//
// (1) Add this attachment as the first attachment to the application object.
// (2) The EventRecord from ProcessNextEvent *must* persist across calls to
// ProcessNextEvent in order to prevent dangling references to the event.
#ifndef CApplicationEventAttachment_H
#define CApplicationEventAttachment_H
#pragma once
#include <LAttachment.h>
#include <LApplication.h>
#ifndef __EVENTS__
#include <Events.h>
#endif
class CApplicationEventAttachment : public LAttachment
{
public:
CApplicationEventAttachment();
virtual ~CApplicationEventAttachment();
virtual void ExecuteSelf(
MessageT inMessage,
void* ioParam);
static LApplication& GetApplication();
static EventRecord& GetCurrentEvent();
static Boolean CurrentEventHasModifiers(
EventModifiers inModifiers);
static void ProcessNextEvent();
private:
static LApplication* sApplication;
static EventRecord* sCurrentEvent;
static EventRecord sFakeNullEvent;
static Boolean sFakeNullEventInitialized;
};
#endif