AccessBridgeJavaVMInstance.h revision 11740:8c996a225c1b 
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 JVM instance info from the AT WinAccessBridge
28 */
29
30#ifndef __AccessBridgeJavaVMInstance_H__
31#define __AccessBridgeJavaVMInstance_H__
32
33#include "AccessBridgePackages.h"
34
35#include <jni.h>
36#include <windows.h>
37
38/**
39 * The AccessBridgeJavaVMInstance class.
40 */
41class AccessBridgeJavaVMInstance {
42        friend class WinAccessBridge;
43
44        AccessBridgeJavaVMInstance *nextJVMInstance;
45        HWND ourAccessBridgeWindow;
46        HWND javaAccessBridgeWindow;
47        long vmID;
48
49        // IPC variables
50        HANDLE memoryMappedFileMapHandle;       // handle to file map
51        char *memoryMappedView;                         // ptr to shared memory
52        char memoryMappedFileName[cMemoryMappedNameSize];
53        BOOL goingAway;
54
55
56public:
57        AccessBridgeJavaVMInstance(HWND ourABWindow, HWND javaABWindow,
58                                                           long javaVMID,
59                                                           AccessBridgeJavaVMInstance *next);
60        ~AccessBridgeJavaVMInstance();
61        LRESULT initiateIPC();
62        LRESULT sendPackage(char *buffer, long bufsize);
63        BOOL sendMemoryPackage(char *buffer, long bufsize);
64        HWND findAccessBridgeWindow(long javaVMID);
65        AccessBridgeJavaVMInstance *findABJavaVMInstanceFromJavaHWND(HWND window);
66};
67
68#endif
69