1 /*
2  * Copyright (c) 2005, 2015, 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
66