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Diffstat (limited to 'vcl/osx/a11yfactory.mm')
| -rw-r--r-- | vcl/osx/a11yfactory.mm | 193 |
1 files changed, 193 insertions, 0 deletions
diff --git a/vcl/osx/a11yfactory.mm b/vcl/osx/a11yfactory.mm new file mode 100644 index 0000000000..0783252c7e --- /dev/null +++ b/vcl/osx/a11yfactory.mm @@ -0,0 +1,193 @@ +/* -*- 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 <osx/salinst.h> +#include <osx/a11yfactory.h> +#include <osx/a11yfocustracker.hxx> + +#include "a11yfocuslistener.hxx" +#include "a11yrolehelper.h" +#include "a11ywrapperbutton.h" +#include "a11ywrapperstatictext.h" +#include "a11ywrappertextarea.h" +#include "a11ywrappercheckbox.h" +#include "a11ywrappercombobox.h" +#include "a11ywrappergroup.h" +#include "a11ywrapperlist.h" +#include "a11ywrapperradiobutton.h" +#include "a11ywrapperradiogroup.h" +#include "a11ywrapperrow.h" +#include "a11ywrapperscrollarea.h" +#include "a11ywrapperscrollbar.h" +#include "a11ywrappersplitter.h" +#include "a11ywrappertabgroup.h" +#include "a11ywrappertoolbar.h" +#include "a11ytablewrapper.h" + +#include <com/sun/star/accessibility/AccessibleStateType.hpp> + +using namespace ::com::sun::star::accessibility; +using namespace ::com::sun::star::uno; + +static bool enabled = false; + +@implementation AquaA11yFactory : NSObject + +#pragma mark - +#pragma mark Wrapper Repository + ++(NSMutableDictionary *)allWrapper { + static NSMutableDictionary * mdAllWrapper = nil; + if ( mdAllWrapper == nil ) { + mdAllWrapper = [ [ [ NSMutableDictionary alloc ] init ] retain ]; + // initialize keyboard focus tracker + rtl::Reference< AquaA11yFocusListener > listener( AquaA11yFocusListener::get() ); + TheAquaA11yFocusTracker().setFocusListener(listener); + enabled = true; + } + return mdAllWrapper; +} + ++(NSValue *)keyForAccessibleContext: (Reference < XAccessibleContext >) rxAccessibleContext { + return [ NSValue valueWithPointer: rxAccessibleContext.get() ]; +} + ++(NSValue *)keyForAccessibleContextAsRadioGroup: (Reference < XAccessibleContext >) rxAccessibleContext { + return [ NSValue valueWithPointer: ( rxAccessibleContext.get() + 2 ) ]; +} + ++(AquaA11yWrapper *)wrapperForAccessible: (Reference < XAccessible >) rxAccessible { + if ( rxAccessible.is() ) { + Reference< XAccessibleContext > xAccessibleContext = rxAccessible->getAccessibleContext(); + if( xAccessibleContext.is() ) { + return [ AquaA11yFactory wrapperForAccessibleContext: xAccessibleContext ]; + } + } + return nil; +} + ++(AquaA11yWrapper *)wrapperForAccessibleContext: (Reference < XAccessibleContext >) rxAccessibleContext { + return [ AquaA11yFactory wrapperForAccessibleContext: rxAccessibleContext createIfNotExists: YES asRadioGroup: NO ]; +} + ++(AquaA11yWrapper *)wrapperForAccessibleContext: (Reference < XAccessibleContext >) rxAccessibleContext createIfNotExists:(BOOL) bCreate { + return [ AquaA11yFactory wrapperForAccessibleContext: rxAccessibleContext createIfNotExists: bCreate asRadioGroup: NO ]; +} + ++(AquaA11yWrapper *)wrapperForAccessibleContext: (Reference < XAccessibleContext >) rxAccessibleContext createIfNotExists:(BOOL) bCreate asRadioGroup:(BOOL) asRadioGroup{ + NSMutableDictionary * dAllWrapper = [ AquaA11yFactory allWrapper ]; + NSValue * nKey = nil; + if ( asRadioGroup ) { + nKey = [ AquaA11yFactory keyForAccessibleContextAsRadioGroup: rxAccessibleContext ]; + } else { + nKey = [ AquaA11yFactory keyForAccessibleContext: rxAccessibleContext ]; + } + AquaA11yWrapper * aWrapper = static_cast<AquaA11yWrapper *>([ dAllWrapper objectForKey: nKey ]); + if ( aWrapper != nil ) { + [ aWrapper retain ]; + } else if ( bCreate ) { + NSString * nativeRole = [ AquaA11yRoleHelper getNativeRoleFrom: rxAccessibleContext.get() ]; + // TODO: reflection + if ( [ nativeRole isEqualToString: NSAccessibilityButtonRole ] ) { + aWrapper = [ [ AquaA11yWrapperButton alloc ] initWithAccessibleContext: rxAccessibleContext ]; + } else if ( [ nativeRole isEqualToString: NSAccessibilityTextAreaRole ] ) { + aWrapper = [ [ AquaA11yWrapperTextArea alloc ] initWithAccessibleContext: rxAccessibleContext ]; + } else if ( [ nativeRole isEqualToString: NSAccessibilityStaticTextRole ] ) { + aWrapper = [ [ AquaA11yWrapperStaticText alloc ] initWithAccessibleContext: rxAccessibleContext ]; + } else if ( [ nativeRole isEqualToString: NSAccessibilityComboBoxRole ] ) { + aWrapper = [ [ AquaA11yWrapperComboBox alloc ] initWithAccessibleContext: rxAccessibleContext ]; + } else if ( [ nativeRole isEqualToString: NSAccessibilityGroupRole ] ) { + aWrapper = [ [ AquaA11yWrapperGroup alloc ] initWithAccessibleContext: rxAccessibleContext ]; + } else if ( [ nativeRole isEqualToString: NSAccessibilityToolbarRole ] ) { + aWrapper = [ [ AquaA11yWrapperToolbar alloc ] initWithAccessibleContext: rxAccessibleContext ]; + } else if ( [ nativeRole isEqualToString: NSAccessibilityScrollAreaRole ] ) { + aWrapper = [ [ AquaA11yWrapperScrollArea alloc ] initWithAccessibleContext: rxAccessibleContext ]; + } else if ( [ nativeRole isEqualToString: NSAccessibilityTabGroupRole ] ) { + aWrapper = [ [ AquaA11yWrapperTabGroup alloc ] initWithAccessibleContext: rxAccessibleContext ]; + } else if ( [ nativeRole isEqualToString: NSAccessibilityScrollBarRole ] ) { + aWrapper = [ [ AquaA11yWrapperScrollBar alloc ] initWithAccessibleContext: rxAccessibleContext ]; + } else if ( [ nativeRole isEqualToString: NSAccessibilityCheckBoxRole ] ) { + aWrapper = [ [ AquaA11yWrapperCheckBox alloc ] initWithAccessibleContext: rxAccessibleContext ]; + } else if ( [ nativeRole isEqualToString: NSAccessibilityRadioGroupRole ] ) { + aWrapper = [ [ AquaA11yWrapperRadioGroup alloc ] initWithAccessibleContext: rxAccessibleContext ]; + } else if ( [ nativeRole isEqualToString: NSAccessibilityRadioButtonRole ] ) { + aWrapper = [ [ AquaA11yWrapperRadioButton alloc ] initWithAccessibleContext: rxAccessibleContext ]; + } else if ( [ nativeRole isEqualToString: NSAccessibilityRowRole ] ) { + aWrapper = [ [ AquaA11yWrapperRow alloc ] initWithAccessibleContext: rxAccessibleContext ]; + } else if ( [ nativeRole isEqualToString: NSAccessibilityListRole ] ) { + aWrapper = [ [ AquaA11yWrapperList alloc ] initWithAccessibleContext: rxAccessibleContext ]; + } else if ( [ nativeRole isEqualToString: NSAccessibilitySplitterRole ] ) { + aWrapper = [ [ AquaA11yWrapperSplitter alloc ] initWithAccessibleContext: rxAccessibleContext ]; + } else if ( [ nativeRole isEqualToString: NSAccessibilityTableRole ] ) { + aWrapper = [ [ AquaA11yTableWrapper alloc ] initWithAccessibleContext: rxAccessibleContext ]; + } else { + aWrapper = [ [ AquaA11yWrapper alloc ] initWithAccessibleContext: rxAccessibleContext ]; + } + [ nativeRole release ]; + [ aWrapper setActsAsRadioGroup: asRadioGroup ]; + #if 0 + /* #i102033# NSAccessibility does not seemt to know an equivalent for transient children. + That means we need to cache this, else e.g. tree list boxes are not accessible (moreover + it crashes by notifying dead objects - which would seemt o be another bug) + + FIXME: + Unfortunately this can increase memory consumption drastically until the non transient parent + is destroyed and finally all the transients are released. + */ + if ( ! (rxAccessibleContext -> getAccessibleStateSet() & AccessibleStateType::TRANSIENT ) ) + #endif + { + [ dAllWrapper setObject: aWrapper forKey: nKey ]; + } + } + return aWrapper; +} + ++(void)insertIntoWrapperRepository: (AquaA11yWrapper *) element forAccessibleContext: (Reference < XAccessibleContext >) rxAccessibleContext { + NSMutableDictionary * dAllWrapper = [ AquaA11yFactory allWrapper ]; + [ dAllWrapper setObject: element forKey: [ AquaA11yFactory keyForAccessibleContext: rxAccessibleContext ] ]; +} + ++(void)removeFromWrapperRepositoryFor: (css::uno::Reference < css::accessibility::XAccessibleContext >) rxAccessibleContext { + // TODO: when RADIO_BUTTON search for associated RadioGroup-wrapper and delete that as well + AquaA11yWrapper * theWrapper = [ AquaA11yFactory wrapperForAccessibleContext: rxAccessibleContext createIfNotExists: NO ]; + if ( theWrapper != nil ) { + NSAccessibilityPostNotification( theWrapper, NSAccessibilityUIElementDestroyedNotification ); + [ [ AquaA11yFactory allWrapper ] removeObjectForKey: [ AquaA11yFactory keyForAccessibleContext: rxAccessibleContext ] ]; + [ theWrapper release ]; + } +} + ++(void)registerWrapper: (AquaA11yWrapper *) theWrapper { + if ( enabled && theWrapper ) { + // insertIntoWrapperRepository gets called from SalFrameView itself to bootstrap the bridge initially + [ theWrapper accessibleContext ]; + } +} + ++(void)revokeWrapper: (AquaA11yWrapper *) theWrapper { + if ( enabled && theWrapper ) { + [ AquaA11yFactory removeFromWrapperRepositoryFor: [ theWrapper accessibleContext ] ]; + } +} + +@end + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |