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 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  */
  41 class 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 
  56 public:
  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