/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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* file , You can obtain one at http : //mozilla.org/MPL/2.0/.
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* 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
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*/
#ifndef INCLUDED_UNOTOOLS_ACCESSIBLERELATIONSETHELPER_HXX
#define INCLUDED_UNOTOOLS_ACCESSIBLERELATIONSETHELPER_HXX
#include <unotools/unotoolsdllapi.h>
#include <com/sun/star/accessibility/AccessibleRelationType.hpp>
#include <com/sun/star/accessibility/XAccessibleRelationSet.hpp>
#include <cppuhelper/implbase.hxx>
#include <mutex>
#include <vector>
using css::accessibility::AccessibleRelationType;
//= XAccessibleRelationSet helper classes
//... namespace utl .......................................................
namespace utl
{
/** @descr
This base class provides an implementation of the
< code > AccessibleRelationSet < / code > service .
*/
class UNOTOOLS_DLLPUBLIC AccessibleRelationSetHelper final
: public cppu::WeakImplHelper<css::accessibility::XAccessibleRelationSet>
{
public :
//===== internal ========================================================
AccessibleRelationSetHelper();
css::uno::Reference<css::accessibility::XAccessibleRelationSet> Clone() const ;
private :
AccessibleRelationSetHelper(const AccessibleRelationSetHelper& rHelper);
virtual ~AccessibleRelationSetHelper() override;
public :
//===== XAccessibleRelationSet ==========================================
/** Returns the number of relations in this relation set.
@ return
Returns the number of relations or zero if there are none .
*/
virtual sal_Int32 SAL_CALL getRelationCount() override;
/** Returns the relation of this relation set that is specified by
the given index .
@ param nIndex
This index specifies the relatio to return .
@ return
For a valid index , i . e . inside the range 0 to the number of
relations minus one , the returned value is the requested
relation . If the index is invalid then the returned relation
has the type INVALID .
*/
virtual css::accessibility::AccessibleRelation SAL_CALL getRelation(sal_Int32 nIndex) override;
/** Tests whether the relation set contains a relation matching the
specified key .
@ param eRelationType
The type of relation to look for in this set of relations .
@ return
Returns < TRUE / > if there is a ( at least one ) relation of the
given type and < FALSE / > if there is no such relation in the set .
*/
virtual sal_Bool SAL_CALL
containsRelation(css::accessibility::AccessibleRelationType eRelationType) override;
/** Retrieve and return the relation with the given relation type.
@ param eRelationType
The type of the relation to return .
@ return
If a relation with the given type could be found than ( a copy
of ) this relation is returned . Otherwise a relation with the
type INVALID is returned .
*/
virtual css::accessibility::AccessibleRelation SAL_CALL
getRelationByType(AccessibleRelationType eRelationType) override;
/// @throws uno::RuntimeException
void AddRelation(const css::accessibility::AccessibleRelation& rRelation);
//===== XTypeProvider ===================================================
/** Returns a sequence of all supported interfaces.
*/
virtual css::uno::Sequence<css::uno::Type> SAL_CALL getTypes() override;
/** Returns an implementation id.
*/
virtual css::uno::Sequence<sal_Int8> SAL_CALL getImplementationId() override;
private :
/// Mutex guarding this object.
mutable std::mutex maMutex;
/// The implementation of this helper interface.
std::vector<css::accessibility::AccessibleRelation> maRelations;
};
}
//... namespace utl .......................................................
#endif
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