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 DLL which is loaded by Java applications to handle communication
28 * between Java VMs purposes of Accessbility.
29 */
30
31 #include <windows.h>
32 #include <jni.h>
33
34 #include "AccessBridgePackages.h"
35 #include "AccessBridgeATInstance.h"
36 #include "AccessBridgeJavaEntryPoints.h"
37
38 #ifndef __JavaAccessBridge_H__
39 #define __JavaAccessBridge_H__
40
41
42 extern "C" {
43 BOOL WINAPI DllMain(HINSTANCE hinstDll, DWORD fdwReason,
44 LPVOID lpvReserved);
45 void AppendToCallOutput(char *s);
46 BOOL APIENTRY AccessBridgeDialogProc(HWND hDlg, UINT message,
47 UINT wParam, LONG lParam);
48 }
49
50 /**
51 * The JavaAccessBridge class. The core of the Windows AT AccessBridge dll
52 */
53 class JavaAccessBridge {
54 // for debugging
55 public:
56 // for debugging
57 HINSTANCE windowsInstance;
58 HWND dialogWindow;
59 AccessBridgeATInstance *ATs;
60 JavaVM *javaVM;
61 JNIEnv *windowsThreadJNIEnv; // for calls initiated from Windows
62 AccessBridgeJavaEntryPoints *javaThreadEntryPoints;
63 AccessBridgeJavaEntryPoints *windowsThreadEntryPoints;
64 jobject javaThreadABObject; // for calls initiated from Java
65 jobject windowsThreadABObject; // for calls initiated from Windows
66
67 public:
68 JavaAccessBridge(HINSTANCE hInstance);
69 ~JavaAccessBridge();
70 void javaRun(JNIEnv *env, jobject obj);
71 BOOL initWindow();
72
73 // IPC with the Java AccessBridge DLL
74 void postHelloToWindowsDLLMsg(HWND destHwnd);
75 LRESULT MemoryMappedFileCreated(HWND srcHwnd, char *filename);
76
77 void sendPackage(char *buffer, int bufsize, HWND destHwnd);
78 void sendJavaEventPackage(char *buffer, int bufsize, long type);
79 void sendAccessibilityEventPackage(char *buffer, int bufsize, long type);
80 BOOL sendMemoryPackage(char *buffer, long bufsize, HWND destWindow);
81 LRESULT processPackage(char *buffer, int bufsize);
82 BOOL receiveMemoryPackage(HWND srcWindow, long bufsize);
83 void WindowsATDestroyed(HWND ATBridgeDLLWindow);
84
85 // Java VM object memory management
86 void releaseJavaObject(jobject object);
87
88 // Event handling methods
89 void addJavaEventNotification(jlong type, HWND DLLwindow);
90 void removeJavaEventNotification(jlong type, HWND DLLwindow);
91 void addAccessibilityEventNotification(jlong type, HWND DLLwindow);
92 void removeAccessibilityEventNotification(jlong type, HWND DLLwindow);
93
94 // Event firing methods
95 /*
96 void firePropertyChange(JNIEnv *env, jobject callingObj,
97 jobject propertyChangeEvent,
98 jobject source, jstring propertyName,
99 jstring oldValue, jstring newValue);
100 */
101
102 void javaShutdown(JNIEnv *env, jobject callingObj);
103
104 void fireFocusGained(JNIEnv *env, jobject callingObj,
105 jobject focusEvent, jobject source);
106 void fireFocusLost(JNIEnv *env, jobject callingObj,
107 jobject focusEvent,jobject source);
108 void fireCaretUpdate(JNIEnv *env, jobject callingObj,
109 jobject caretEvent, jobject source);
110 void fireMouseClicked(JNIEnv *env, jobject callingObj,
111 jobject mouseEvent, jobject source);
112 void fireMouseEntered(JNIEnv *env, jobject callingObj,
113 jobject mouseEvent, jobject source);
114 void fireMouseExited(JNIEnv *env, jobject callingObj,
115 jobject mouseEvent, jobject source);
116 void fireMousePressed(JNIEnv *env, jobject callingObj,
117 jobject mouseEvent, jobject source);
118 void fireMouseReleased(JNIEnv *env, jobject callingObj,
119 jobject mouseEvent, jobject source);
120 void fireMenuCanceled(JNIEnv *env, jobject callingObj,
121 jobject menuEvent, jobject source);
122 void fireMenuDeselected(JNIEnv *env, jobject callingObj,
123 jobject menuEvent, jobject source);
124 void fireMenuSelected(JNIEnv *env, jobject callingObj,
125 jobject menuEvent, jobject source);
126 void firePopupMenuCanceled(JNIEnv *env, jobject callingObj,
127 jobject popupMenuEvent, jobject source);
128 void firePopupMenuWillBecomeInvisible(JNIEnv *env, jobject callingObj,
129 jobject popupMenuEvent, jobject source);
130 void firePopupMenuWillBecomeVisible(JNIEnv *env, jobject callingObj,
131 jobject popupMenuEvent, jobject source);
132
133 void firePropertyCaretChange(JNIEnv *env, jobject callingObj,
134 jobject event, jobject source,
135 jint oldValue, jint newValue);
136 void firePropertyDescriptionChange(JNIEnv *env, jobject callingObj,
137 jobject event, jobject source,
138 jstring oldValue, jstring newValue);
139 void firePropertyNameChange(JNIEnv *env, jobject callingObj,
140 jobject event, jobject source,
141 jstring oldValue, jstring newValue);
142 void firePropertySelectionChange(JNIEnv *env, jobject callingObj,
143 jobject event, jobject source);
144 void firePropertyStateChange(JNIEnv *env, jobject callingObj,
145 jobject event, jobject source,
146 jstring oldValue, jstring newValue);
147 void firePropertyTextChange(JNIEnv *env, jobject callingObj,
148 jobject event, jobject source);
149 void firePropertyValueChange(JNIEnv *env, jobject callingObj,
150 jobject event, jobject source,
151 jstring oldValue, jstring newValue);
152 void firePropertyVisibleDataChange(JNIEnv *env, jobject callingObj,
153 jobject event, jobject source);
154 void firePropertyChildChange(JNIEnv *env, jobject callingObj,
155 jobject event, jobject source,
156 jobject oldValue, jobject newValue);
157 void firePropertyActiveDescendentChange(JNIEnv *env, jobject callingObj,
158 jobject event, jobject source,
159 jobject oldValue, jobject newValue);
160
161 void firePropertyTableModelChange(JNIEnv *env, jobject callingObj,
162 jobject event, jobject source,
163 jstring oldValue, jstring newValue);
164 };
165
166
167 #endif