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/* -*- 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 "a11yselectionwrapper.h"
#include "a11ytablewrapper.h"
using namespace ::com::sun::star::accessibility;
using namespace ::com::sun::star::uno;
@implementation AquaA11ySelectionWrapper : NSObject
+(id)selectedChildrenAttributeForElement:(AquaA11yWrapper *)wrapper
{
Reference< XAccessibleSelection > xAccessibleSelection = [ wrapper accessibleSelection ];
if( xAccessibleSelection.is() )
{
NSMutableArray * children = [ [ NSMutableArray alloc ] init ];
try {
sal_Int64 n = xAccessibleSelection -> getSelectedAccessibleChildCount();
// Fix hanging when selecting a column or row in Calc
// When a Calc column is selected, the child count will be
// at least a million. Constructing that many C++ Calc objects
// takes several minutes even on a fast Silicon Mac so apply
// the maximum table cell limit here.
if ( n < 0 )
n = 0;
else if ( n > MAXIMUM_ACCESSIBLE_TABLE_CELLS )
n = MAXIMUM_ACCESSIBLE_TABLE_CELLS;
for ( sal_Int64 i=0 ; i < n ; ++i ) {
[ children addObject: [ AquaA11yFactory wrapperForAccessible: xAccessibleSelection -> getSelectedAccessibleChild( i ) ] ];
}
return children;
} catch ( Exception&)
{
}
}
return nil;
}
+(void)addAttributeNamesTo:(NSMutableArray *)attributeNames
{
[ attributeNames addObject: NSAccessibilitySelectedChildrenAttribute ];
}
+(BOOL)isAttributeSettable:(NSString *)attribute forElement:(AquaA11yWrapper *)wrapper
{
(void)wrapper;
if ( [ attribute isEqualToString: NSAccessibilitySelectedChildrenAttribute ] )
{
return YES;
}
else
{
return NO;
}
}
+(void)setSelectedChildrenAttributeForElement:(AquaA11yWrapper *)wrapper to:(id)value
{
Reference< XAccessibleSelection > xAccessibleSelection = [ wrapper accessibleSelection ];
try {
xAccessibleSelection -> clearAccessibleSelection();
unsigned c = [ value count ];
for ( unsigned i = 0 ; i < c ; ++i ) {
xAccessibleSelection -> selectAccessibleChild( [ [ value objectAtIndex: i ] accessibleContext ] -> getAccessibleIndexInParent() );
}
} catch ( Exception&) {
}
}
@end
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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