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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 "stdafx.h"
#include <UAccCOM.h>
#include "AccRelation.h"
#include <vcl/svapp.hxx>
#include <com/sun/star/accessibility/AccessibleRelationType.hpp>
#include <com/sun/star/accessibility/XAccessible.hpp>
#include <com/sun/star/accessibility/XAccessibleContext.hpp>
#include "MAccessible.h"
using namespace com::sun::star::accessibility;
using namespace com::sun::star::uno;
/**
* Get relation type.
* @param relationType Variant to get relation type.
* @return Result.
*/
COM_DECLSPEC_NOTHROW STDMETHODIMP CAccRelation::get_relationType(BSTR * relationType)
{
SolarMutexGuard g;
try {
if (relationType == nullptr)
return E_INVALIDARG;
int type = relation.RelationType;
SysFreeString(*relationType);
*relationType = getRelationTypeBSTR(type);
return S_OK;
} catch(...) { return E_FAIL; }
}
// Gets what the type of localized relation is.
COM_DECLSPEC_NOTHROW STDMETHODIMP CAccRelation::get_localizedRelationType(BSTR *)
{
try {
return S_OK;
} catch(...) { return E_FAIL; }
}
/**
* Get targets length.
* @param nTargets Variant to get targets length.
* @return Result.
*/
COM_DECLSPEC_NOTHROW STDMETHODIMP CAccRelation::get_nTargets(long * nTargets)
{
SolarMutexGuard g;
try {
if (nTargets == nullptr)
return E_INVALIDARG;
Sequence< Reference< XInterface > > xTargets = relation.TargetSet;
*nTargets = xTargets.getLength();
return S_OK;
} catch(...) { return E_FAIL; }
}
/**
* Get special target.
* @param targetIndex target index.
* @param target Variant to get special target.
* @return Result.
*/
COM_DECLSPEC_NOTHROW STDMETHODIMP CAccRelation::get_target(long targetIndex, IUnknown * * target)
{
SolarMutexGuard g;
try {
if (target == nullptr)
return E_FAIL;
Sequence< Reference< XInterface > > xTargets = relation.TargetSet;
int nCount = xTargets.getLength();
if( targetIndex >= nCount )
return E_FAIL;
Reference<XAccessible> xRAcc(xTargets[targetIndex], UNO_QUERY);
IAccessible* pRet = CMAccessible::get_IAccessibleFromXAccessible(xRAcc.get());
if (pRet)
{
*target = pRet;
pRet->AddRef();
return S_OK;
}
return E_FAIL;
} catch(...) { return E_FAIL; }
}
/**
* Get special targets.
* @param maxTargets Special targets count.
* @param target Variant to get special target.
* @param nTargets Variant to accept actual target length.
* @return Result.
*/
COM_DECLSPEC_NOTHROW STDMETHODIMP CAccRelation::get_targets(long, IUnknown * * target, long * nTargets)
{
SolarMutexGuard g;
try {
if(target == nullptr)
return E_INVALIDARG;
if (nTargets == nullptr)
return E_INVALIDARG;
Sequence< Reference< XInterface > > xTargets = relation.TargetSet;
int nCount = xTargets.getLength();
*target = static_cast<IUnknown*>(::CoTaskMemAlloc(nCount*sizeof(IUnknown)));
// #CHECK Memory Allocation#
if(*target == nullptr)
{
return E_FAIL;
}
for(int i=0; i<nCount ; i++)
{
IUnknown* pAcc = nullptr;
HRESULT hr = get_target(i,&pAcc);
if(SUCCEEDED(hr))
target[i] = pAcc;
}
*nTargets = nCount;
return S_OK;
} catch(...) { return E_FAIL; }
}
/**
* Put UNO interface.
* @param pXSubInterface AccessibleRelation pointer.
* @return Result.
*/
COM_DECLSPEC_NOTHROW STDMETHODIMP CAccRelation::put_XSubInterface(hyper pXSubInterface)
{
// internal IUNOXWrapper - no mutex meeded
relation = *reinterpret_cast<AccessibleRelation*>(pXSubInterface);
return S_OK;
}
/**
* Get relation type string by type.
* @param type Relation type.
* @return relation type string.
*/
BSTR CAccRelation::getRelationTypeBSTR(int type)
{
static LPCWSTR map[] =
{
L"INVALID", // AccessibleRelationType::INVALID
IA2_RELATION_FLOWS_FROM, // AccessibleRelationType::CONTENT_FLOWS_FROM
IA2_RELATION_FLOWS_TO, // AccessibleRelationType::CONTENT_FLOWS_TO
IA2_RELATION_CONTROLLED_BY, // AccessibleRelationType::CONTROLLED_BY
IA2_RELATION_CONTROLLER_FOR, // AccessibleRelationType::CONTROLLER_FOR
IA2_RELATION_LABEL_FOR, // AccessibleRelationType::LABEL_FOR
IA2_RELATION_LABELED_BY, // AccessibleRelationType::LABELED_BY
IA2_RELATION_MEMBER_OF, // AccessibleRelationType::MEMBER_OF
IA2_RELATION_SUBWINDOW_OF, // AccessibleRelationType::SUB_WINDOW_OF
IA2_RELATION_NODE_CHILD_OF, // AccessibleRelationType::NODE_CHILD_OF
IA2_RELATION_DESCRIBED_BY // AccessibleRelationType::DESCRIBED_BY
};
return ::SysAllocString( (type >= AccessibleRelationType::INVALID && type <= AccessibleRelationType::DESCRIBED_BY)
? map[type] : L"");
}
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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