108 lines
3.7 KiB
Text
108 lines
3.7 KiB
Text
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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/*
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* This file is part of the LibreOffice project.
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*
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/.
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*
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* This file incorporates work covered by the following license notice:
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*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed
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* with this work for additional information regarding copyright
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* ownership. The ASF licenses this file to you under the Apache
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* License, Version 2.0 (the "License"); you may not use this file
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* except in compliance with the License. You may obtain a copy of
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* the License at http://www.apache.org/licenses/LICENSE-2.0 .
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*/
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#include <osx/salinst.h>
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#include <osx/a11yfactory.h>
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#include "a11yselectionwrapper.h"
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#include "a11ytablewrapper.h"
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using namespace ::com::sun::star::accessibility;
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using namespace ::com::sun::star::uno;
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@implementation AquaA11ySelectionWrapper : NSObject
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+(id)selectedChildrenAttributeForElement:(AquaA11yWrapper *)wrapper
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{
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Reference< XAccessibleSelection > xAccessibleSelection = [ wrapper accessibleSelection ];
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if( xAccessibleSelection.is() )
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{
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try {
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sal_Int64 n = xAccessibleSelection -> getSelectedAccessibleChildCount();
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// Related tdf#158914: implicitly call autorelease selector
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// Callers expect this selector to return an autoreleased object.
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NSMutableArray * children = [ NSMutableArray arrayWithCapacity: n ];
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// Fix hanging when selecting a column or row in Calc
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// When a Calc column is selected, the child count will be
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// at least a million. Constructing that many C++ Calc objects
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// takes several minutes even on a fast Silicon Mac so apply
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// the maximum table cell limit here.
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if ( n < 0 )
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n = 0;
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else if ( n > MAXIMUM_ACCESSIBLE_TABLE_CELLS )
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n = MAXIMUM_ACCESSIBLE_TABLE_CELLS;
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for ( sal_Int64 i=0 ; i < n ; ++i ) {
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// Related tdf#158914: explicitly call release selector
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// [ AquaA11yFactory wrapperForAccessible: ] is not a getter.
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// It expects the caller to release the returned object.
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id child_wrapper = [ AquaA11yFactory wrapperForAccessible: xAccessibleSelection -> getSelectedAccessibleChild( i ) ];
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[ children addObject: child_wrapper ];
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[ child_wrapper release ];
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}
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return children;
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} catch ( Exception&)
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{
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}
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}
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return nil;
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}
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+(void)addAttributeNamesTo:(NSMutableArray *)attributeNames
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{
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[ attributeNames addObject: NSAccessibilitySelectedChildrenAttribute ];
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}
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+(BOOL)isAttributeSettable:(NSString *)attribute forElement:(AquaA11yWrapper *)wrapper
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{
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(void)wrapper;
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if ( [ attribute isEqualToString: NSAccessibilitySelectedChildrenAttribute ] )
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{
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return YES;
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}
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else
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{
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return NO;
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}
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}
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+(void)setSelectedChildrenAttributeForElement:(AquaA11yWrapper *)wrapper to:(id)value
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{
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Reference< XAccessibleSelection > xAccessibleSelection = [ wrapper accessibleSelection ];
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try {
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xAccessibleSelection -> clearAccessibleSelection();
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unsigned c = [ value count ];
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for ( unsigned i = 0 ; i < c ; ++i ) {
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xAccessibleSelection -> selectAccessibleChild( [ [ value objectAtIndex: i ] accessibleContext ] -> getAccessibleIndexInParent() );
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}
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} catch ( Exception&) {
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}
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}
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@end
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/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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