iokit/Families/IOGraphics/IOFramebufferReallyPrivate.h

   1 /*
   2  * Copyright (c) 2000 Apple Computer, Inc. All rights reserved.
   3  *
   4  * @APPLE_LICENSE_HEADER_START@
   5  *
   6  * The contents of this file constitute Original Code as defined in and
   7  * are subject to the Apple Public Source License Version 1.1 (the
   8  * "License").  You may not use this file except in compliance with the
   9  * License.  Please obtain a copy of the License at
  10  * http://www.apple.com/publicsource and read it before using this file.
  11  *
  12  * This Original Code and all software distributed under the License are
  13  * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER
  14  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
  15  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
  16  * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT.  Please see the
  17  * License for the specific language governing rights and limitations
  18  * under the License.
  19  *
  20  * @APPLE_LICENSE_HEADER_END@
  21  */
  22 class _IOFramebufferNotifier : public IONotifier
  23 {
  24     friend IOFramebuffer;
  25
  26     OSDeclareDefaultStructors(_IOFramebufferNotifier)
  27
  28 public:
  29     OSSet *                             whence;
  30
  31     IOFramebufferNotificationHandler    handler;
  32     OSObject *                          self;
  33     void *                              ref;
  34     bool                                fEnable;
  35
  36     virtual void remove();
  37     virtual bool disable();
  38     virtual void enable( bool was );
  39 };