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TableRowAccessibility.m
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TableRowAccessibility.m
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/*
* Copyright (c) 2021, Oracle and/or its affiliates. All rights reserved.
* Copyright (c) 2021, JetBrains s.r.o.. 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 "TableRowAccessibility.h"
#import "JavaAccessibilityAction.h"
#import "JavaAccessibilityUtilities.h"
#import "TableAccessibility.h"
#import "CellAccessibility.h"
#import "ThreadUtilities.h"
#import "JNIUtilities.h"
#import "sun_lwawt_macosx_CAccessibility.h"
static jclass sjc_CAccessibility = NULL;
@implementation TableRowAccessibility
// NSAccessibilityElement protocol methods
- (NSAccessibilityRole)accessibilityRole
{
return NSAccessibilityRowRole;
}
- (NSAccessibilitySubrole)accessibilitySubrole
{
return NSAccessibilityTableRowSubrole;
}
- (NSArray *)accessibilityChildren
{
NSMutableArray *children = [super accessibilityChildren];
if (children == nil) {
JNIEnv *env = [ThreadUtilities getJNIEnv];
CommonComponentAccessibility *parent = [self accessibilityParent];
if (parent->fAccessible == NULL) return nil;
GET_CACCESSIBILITY_CLASS_RETURN(nil);
DECLARE_STATIC_METHOD_RETURN(jm_getTableRowChildrenAndRoles, sjc_CAccessibility, "getTableRowChildrenAndRoles",\
"(Ljavax/accessibility/Accessible;Ljava/awt/Component;IZI)[Ljava/lang/Object;", nil);
jobjectArray jchildrenAndRoles = (jobjectArray)(*env)->CallStaticObjectMethod(
env, sjc_CAccessibility, jm_getTableRowChildrenAndRoles, parent->fAccessible, parent->fComponent,
sun_lwawt_macosx_CAccessibility_JAVA_AX_ALL_CHILDREN, NO, [self rowNumberInTable]);
CHECK_EXCEPTION();
if (jchildrenAndRoles == NULL) return nil;
jsize arrayLen = (*env)->GetArrayLength(env, jchildrenAndRoles);
children = [NSMutableArray arrayWithCapacity:arrayLen / 2];
int childIndex = [self rowNumberInTable] * [(TableAccessibility *)parent accessibilityColumnCount];
for (NSInteger i = 0; i < arrayLen; i += 2) {
jobject /* Accessible */ jchild = (*env)->GetObjectArrayElement(env, jchildrenAndRoles, i);
jobject /* String */ jchildJavaRole = (*env)->GetObjectArrayElement(env, jchildrenAndRoles, i+1);
NSString *childJavaRole = nil;
if (jchildJavaRole != NULL) {
DECLARE_CLASS_RETURN(sjc_AccessibleRole, "javax/accessibility/AccessibleRole", nil);
DECLARE_FIELD_RETURN(sjf_key, sjc_AccessibleRole, "key", "Ljava/lang/String;", nil);
jobject jkey = (*env)->GetObjectField(env, jchildJavaRole, sjf_key);
CHECK_EXCEPTION();
childJavaRole = JavaStringToNSString(env, jkey);
(*env)->DeleteLocalRef(env, jkey);
}
CellAccessibility *child = (CellAccessibility *)
[CommonComponentAccessibility createWithParent:self
withClass:[CellAccessibility class]
accessible:jchild
role:childJavaRole
index:childIndex
withEnv:env
withView:self->fView];
[children addObject:child];
(*env)->DeleteLocalRef(env, jchild);
(*env)->DeleteLocalRef(env, jchildJavaRole);
childIndex++;
}
(*env)->DeleteLocalRef(env, jchildrenAndRoles);
}
return children;
}
- (NSUInteger)rowNumberInTable {
return self->fIndex;
}
- (NSInteger)accessibilityIndex
{
return self->fIndex;
}
- (NSString *)accessibilityLabel
{
NSString *accessibilityName = @"";
NSArray *children = [self accessibilityChildren];
for (id cell in children) {
if ([accessibilityName isEqualToString:@""]) {
accessibilityName = [cell accessibilityLabel];
} else {
accessibilityName = [accessibilityName stringByAppendingFormat:@", %@", [cell accessibilityLabel]];
}
}
return accessibilityName;
}
- (id)accessibilityParent
{
return [super accessibilityParent];
}
- (NSRect)accessibilityFrame
{
int height = [[[self accessibilityChildren] objectAtIndex:0] accessibilityFrame].size.height;
int width = 0;
NSPoint point = [[[self accessibilityChildren] objectAtIndex:0] accessibilityFrame].origin;
for (id cell in [self accessibilityChildren]) {
width += [cell accessibilityFrame].size.width;
}
return NSMakeRect(point.x, point.y, width, height);
}
- (BOOL)isAccessibilityOrderedByRow
{
return YES;
}
@end