diff options
Diffstat (limited to 'vcl/osx/a11ywrappercombobox.mm')
-rw-r--r-- | vcl/osx/a11ywrappercombobox.mm | 165 |
1 files changed, 165 insertions, 0 deletions
diff --git a/vcl/osx/a11ywrappercombobox.mm b/vcl/osx/a11ywrappercombobox.mm new file mode 100644 index 0000000000..bfcef7275e --- /dev/null +++ b/vcl/osx/a11ywrappercombobox.mm @@ -0,0 +1,165 @@ +/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */ +/* + * This file is part of the LibreOffice project. + * + * This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, You can obtain one at http://mozilla.org/MPL/2.0/. + * + * This file incorporates work covered by the following license notice: + * + * Licensed to the Apache Software Foundation (ASF) under one or more + * contributor license agreements. See the NOTICE file distributed + * with this work for additional information regarding copyright + * ownership. The ASF licenses this file to you under the Apache + * License, Version 2.0 (the "License"); you may not use this file + * except in compliance with the License. You may obtain a copy of + * the License at http://www.apache.org/licenses/LICENSE-2.0 . + */ + + +#include <vcl/svapp.hxx> +#include <osx/salinst.h> + +#include "a11ywrappercombobox.h" +#include "a11yrolehelper.h" + +#include <com/sun/star/accessibility/AccessibleStateType.hpp> + +using namespace ::com::sun::star::accessibility; +using namespace ::com::sun::star::uno; + +// Wrapper for AXCombobox role + +@implementation AquaA11yWrapperComboBox : AquaA11yWrapper + +#pragma mark - +#pragma mark Specialized Init Method + +-(id)initWithAccessibleContext: (Reference < XAccessibleContext >) rxAccessibleContext { + self = [ super initWithAccessibleContext: rxAccessibleContext ]; + if ( self != nil ) + { + textArea = nil; + } + return self; +} + +#pragma mark - +#pragma mark Private Helper Method + +-(AquaA11yWrapper *)textArea { + // FIXME: May cause problems when stored. Then get dynamically each time (bad performance!) + if ( textArea == nil ) { + NSAutoreleasePool * pool = [ [ NSAutoreleasePool alloc ] init ]; + NSArray * elementChildren = [ super childrenAttribute ]; + if ( [ elementChildren count ] > 0 ) { + NSEnumerator * enumerator = [ elementChildren objectEnumerator ]; + id child; + while ( ( child = [ enumerator nextObject ] ) ) { + AquaA11yWrapper * element = static_cast<AquaA11yWrapper *>(child); + if ( [ [ AquaA11yRoleHelper getNativeRoleFrom: [ element accessibleContext ] ] isEqualToString: NSAccessibilityTextAreaRole ] ) { + textArea = element; + break; + } + } + } + [ pool release ]; + } + return textArea; +} + +#pragma mark - +#pragma mark Wrapped Attributes From Contained Text Area + +-(id)valueAttribute { + if ( [ self textArea ] != nil ) { + return [ [ self textArea ] valueAttribute ]; + } + return @""; +} + +-(id)numberOfCharactersAttribute { + if ( [ self textArea ] != nil ) { + return [ [ self textArea ] numberOfCharactersAttribute ]; + } + return [ NSNumber numberWithInt: 0 ]; +} + +-(id)selectedTextAttribute { + if ( [ self textArea ] != nil ) { + return [ [ self textArea ] selectedTextAttribute ]; + } + return @""; +} + +-(id)selectedTextRangeAttribute { + if ( [ self textArea ] != nil ) { + return [ [ self textArea ] selectedTextRangeAttribute ]; + } + return [ NSValue valueWithRange: NSMakeRange ( 0, 0 ) ]; +} + +-(id)visibleCharacterRangeAttribute { + if ( [ self textArea ] != nil ) { + return [ [ self textArea ] visibleCharacterRangeAttribute ]; + } + return [ NSValue valueWithRange: NSMakeRange ( 0, 0 ) ]; +} + +#pragma mark - +#pragma mark Accessibility Protocol + +-(BOOL)accessibilityIsAttributeSettable:(NSString *)attribute { + // Related: tdf#148453 Acquire solar mutex during native accessibility calls + SolarMutexGuard aGuard; + + if ( [ self textArea ] != nil && ( + [ attribute isEqualToString: NSAccessibilitySelectedTextAttribute ] + || [ attribute isEqualToString: NSAccessibilitySelectedTextRangeAttribute ] + || [ attribute isEqualToString: NSAccessibilityVisibleCharacterRangeAttribute ] ) ) { + return [ [ self textArea ] accessibilityIsAttributeSettable: attribute ]; + } + return [ super accessibilityIsAttributeSettable: attribute ]; +} + +-(void)accessibilitySetValue:(id)value forAttribute:(NSString *)attribute { + // Related: tdf#148453 Acquire solar mutex during native accessibility calls + SolarMutexGuard aGuard; + + if ( [ self textArea ] != nil && ( + [ attribute isEqualToString: NSAccessibilitySelectedTextAttribute ] + || [ attribute isEqualToString: NSAccessibilitySelectedTextRangeAttribute ] + || [ attribute isEqualToString: NSAccessibilityVisibleCharacterRangeAttribute ] ) ) { + return [ [ self textArea ] accessibilitySetValue: value forAttribute: attribute ]; + } + return [ super accessibilitySetValue: value forAttribute: attribute ]; +} + +-(NSArray *)accessibilityAttributeNames { + // Related: tdf#148453 Acquire solar mutex during native accessibility calls + SolarMutexGuard aGuard; + + // Default Attributes + NSMutableArray * attributeNames = [ NSMutableArray arrayWithArray: [ super accessibilityAttributeNames ] ]; + // Special Attributes and removing unwanted attributes depending on role + [ attributeNames removeObjectsInArray: [ NSArray arrayWithObjects: + NSAccessibilityTitleAttribute, + NSAccessibilityChildrenAttribute, + nil ] + ]; + [ attributeNames addObjectsFromArray: [ NSArray arrayWithObjects: + NSAccessibilityExpandedAttribute, + NSAccessibilityValueAttribute, + NSAccessibilityNumberOfCharactersAttribute, + NSAccessibilitySelectedTextAttribute, + NSAccessibilitySelectedTextRangeAttribute, + NSAccessibilityVisibleCharacterRangeAttribute, + nil ] + ]; + return attributeNames; +} + +@end + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |