8261350: Create implementation for NSAccessibilityCheckBox protocol peer

Reviewed-by: pbansal

src/java.desktop/macosx/native/libawt_lwawt/awt/a11y/CheckboxAccessibility.h

@@ -0,0 +1,32 @@
+/*
+ * Copyright (c) 2021, Oracle and/or its affiliates. All rights reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.  Oracle designates this
+ * particular file as subject to the "Classpath" exception as provided
+ * by Oracle in the LICENSE file that accompanied this code.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ */
+
+#import "ButtonAccessibility.h"
+
+@interface CheckboxAccessibility : ButtonAccessibility <NSAccessibilityCheckBox> {
+
+};
+- (id)accessibilityValue;
+@end

src/java.desktop/macosx/native/libawt_lwawt/awt/a11y/CheckboxAccessibility.m

@@ -0,0 +1,41 @@
+/*
+ * Copyright (c) 2021, Oracle and/or its affiliates. All rights reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.  Oracle designates this
+ * particular file as subject to the "Classpath" exception as provided
+ * by Oracle in the LICENSE file that accompanied this code.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ */
+
+#import "CheckboxAccessibility.h"
+#import "JNIUtilities.h"
+#import "ThreadUtilities.h"
+
+/*
+ * Implementation of the accessibility peer for the checkbox role
+ */
+@implementation CheckboxAccessibility
+
+- (id) accessibilityValue
+{
+    AWT_ASSERT_APPKIT_THREAD;
+    return [self accessibilityValueAttribute];
+}
+
+@end

src/java.desktop/macosx/native/libawt_lwawt/awt/a11y/CommonComponentAccessibility.m

@@ -46,7 +46,7 @@ static NSMutableDictionary * _Nullable rolesMap;
     /*
      * Here we should keep all the mapping between the accessibility roles and implementing classes
      */
-    rolesMap = [[NSMutableDictionary alloc] initWithCapacity:7];
+    rolesMap = [[NSMutableDictionary alloc] initWithCapacity:8];
 
     [rolesMap setObject:@"ButtonAccessibility" forKey:@"pushbutton"];
     [rolesMap setObject:@"ImageAccessibility" forKey:@"icon"];
@@ -55,6 +55,7 @@ static NSMutableDictionary * _Nullable rolesMap;
     [rolesMap setObject:@"StaticTextAccessibility" forKey:@"hyperlink"];
     [rolesMap setObject:@"StaticTextAccessibility" forKey:@"label"];
     [rolesMap setObject:@"RadiobuttonAccessibility" forKey:@"radiobutton"];
+    [rolesMap setObject:@"CheckboxAccessibility" forKey:@"checkbox"];
 }
 
 /*

src/java.desktop/macosx/native/libawt_lwawt/awt/a11y/RadiobuttonAccessibility.h

@@ -25,8 +25,6 @@
 
 #import "ButtonAccessibility.h"
 
-#import <AppKit/AppKit.h>
-
 @interface RadiobuttonAccessibility : ButtonAccessibility <NSAccessibilityRadioButton> {
 
 };

src/java.desktop/macosx/native/libawt_lwawt/awt/a11y/RadiobuttonAccessibility.m

@@ -28,7 +28,7 @@
 #import "ThreadUtilities.h"
 
 /*
- * Implementation of the accessibility peer for the pushbutton role
+ * Implementation of the accessibility peer for the radiobutton role
  */
 @implementation RadiobuttonAccessibility