1 /*
   2  * Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved.
   3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   4  *
   5  * This code is free software; you can redistribute it and/or modify it
   6  * under the terms of the GNU General Public License version 2 only, as
   7  * published by the Free Software Foundation.  Oracle designates this
   8  * particular file as subject to the "Classpath" exception as provided
   9  * by Oracle in the LICENSE file that accompanied this code.
  10  *
  11  * This code is distributed in the hope that it will be useful, but WITHOUT
  12  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  13  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  14  * version 2 for more details (a copy is included in the LICENSE file that
  15  * accompanied this code).
  16  *
  17  * You should have received a copy of the GNU General Public License version
  18  * 2 along with this work; if not, write to the Free Software Foundation,
  19  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  20  *
  21  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  22  * or visit www.oracle.com if you need additional information or have any
  23  * questions.
  24  */
  25 
  26 /*
  27  * A class to track key AT instance info from the JavaAccessBridge
  28  */
  29 
  30 #include <windows.h>
  31 #include "AccessBridgePackages.h"
  32 
  33 #ifndef __AccessBridgeATInstance_H__
  34 #define __AccessBridgeATInstance_H__
  35 
  36 
  37 /**
  38  * The AccessBridgeATInstance class.
  39  */
  40 class AccessBridgeATInstance {
  41         friend class JavaAccessBridge;
  42 
  43         AccessBridgeATInstance *nextATInstance;
  44         HWND ourAccessBridgeWindow;
  45         HWND winAccessBridgeWindow;
  46         long javaEventMask;
  47         long accessibilityEventMask;
  48 
  49         // IPC variables
  50         HANDLE memoryMappedFileMapHandle;       // handle to file map
  51         char *memoryMappedView;                         // ptr to shared memory
  52         char memoryMappedFileName[cMemoryMappedNameSize];
  53 
  54 public:
  55         AccessBridgeATInstance(HWND ourABWindow, HWND winABWindow,
  56                                                    char *memoryFilename,
  57                                                    AccessBridgeATInstance *next);
  58         ~AccessBridgeATInstance();
  59         LRESULT initiateIPC();
  60         LRESULT sendJavaEventPackage(char *buffer, int bufsize, long eventID);
  61         LRESULT sendAccessibilityEventPackage(char *buffer, int bufsize, long eventID);
  62         AccessBridgeATInstance *findABATInstanceFromATHWND(HWND window);
  63 };
  64 
  65 #endif