office-gobmx/winaccessibility/source/UAccCOM/AccValue.cxx

/* -*- 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 "AccValue.h"
#include "MAccessible.h"

#if defined __clang__
#pragma clang diagnostic push
#pragma clang diagnostic ignored "-Wnon-virtual-dtor"
#endif
#include <UAccCOM.h>
#if defined __clang__
#pragma clang diagnostic pop
#endif

#include <vcl/svapp.hxx>

#include <com/sun/star/accessibility/XAccessible.hpp>
#include <com/sun/star/accessibility/XAccessibleContext.hpp>

using namespace com::sun::star::accessibility;
using namespace com::sun::star::uno;

/**
   * Get current value.
   * @param  currentValue Variant that accepts current value.
   * @return Result.
   */

COM_DECLSPEC_NOTHROW STDMETHODIMP CAccValue::get_currentValue(VARIANT* currentValue)
{
    SolarMutexGuard g;

    try
    {
        if (currentValue == nullptr)
            return E_INVALIDARG;
        if (!pRXVal.is())
            return E_FAIL;

        // Get Any type value from UNO.
        css::uno::Any anyVal = GetXInterface()->getCurrentValue();
        // Convert Any to VARIANT.
        CMAccessible::ConvertAnyToVariant(anyVal, currentValue);

        return S_OK;
    }
    catch (...)
    {
        return E_FAIL;
    }
}

/**
   * Set current value.
   * @param  Value New value should be set.
   * @param  success If the method is successfully called.
   * @return Result.
   */
COM_DECLSPEC_NOTHROW STDMETHODIMP CAccValue::setCurrentValue(VARIANT value)
{
    SolarMutexGuard g;

    try
    {
        if (!pRXVal.is())
            return E_FAIL;

        HRESULT hRet = S_OK;
        css::uno::Any anyVal;

        // Set value according to value type.
        switch (value.vt)
        {
            case VT_UI1:
            {
                anyVal <<= sal_Unicode(value.bVal);
            }
            break;

            case VT_BOOL:
            {
                css::uno::Type typeInfo(TypeClass_BOOLEAN, "bool");
                anyVal.setValue(&value.boolVal, typeInfo);
            }
            break;

            case VT_I2:
            {
                css::uno::Type typeInfo(TypeClass_SHORT, "short");
                anyVal.setValue(&value.iVal, typeInfo);
            }
            break;

            case VT_I4:
            {
                css::uno::Type typeInfo(TypeClass_LONG, "long");
                anyVal.setValue(&value.lVal, typeInfo);
            }
            break;

            case VT_R4:
            {
                css::uno::Type typeInfo(TypeClass_FLOAT, "float");
                anyVal.setValue(&value.fltVal, typeInfo);
            }
            break;

            case VT_R8:
            {
                css::uno::Type typeInfo(TypeClass_DOUBLE, "double");
                anyVal.setValue(&value.dblVal, typeInfo);
            }
            break;

            default:
            {
                // Unsupported type conversion.
                hRet = E_FAIL;
            }
            break;
        }

        if (hRet == S_OK)
        {
            hRet = pRXVal->setCurrentValue(anyVal) ? S_OK : E_FAIL;
        }

        return hRet;
    }
    catch (...)
    {
        return E_FAIL;
    }
}

/**
   * Get maximum value.
   * @param  maximumValue Variant that accepts maximum value.
   * @return Result.
   */
COM_DECLSPEC_NOTHROW STDMETHODIMP CAccValue::get_maximumValue(VARIANT* maximumValue)
{
    SolarMutexGuard g;

    try
    {
        if (maximumValue == nullptr)
            return E_INVALIDARG;
        if (!pRXVal.is())
            return E_FAIL;

        // Get Any type value from UNO.
        css::uno::Any anyVal = GetXInterface()->getMaximumValue();
        // Convert Any to VARIANT.
        CMAccessible::ConvertAnyToVariant(anyVal, maximumValue);

        return S_OK;
    }
    catch (...)
    {
        return E_FAIL;
    }
}

/**
   * Get minimum value.
   * @param  minimumValue Variant that accepts minimum value.
   * @return Result.
   */
COM_DECLSPEC_NOTHROW STDMETHODIMP CAccValue::get_minimumValue(VARIANT* minimumValue)
{
    SolarMutexGuard g;

    try
    {
        if (minimumValue == nullptr)
            return E_FAIL;
        if (!pRXVal.is())
            return E_FAIL;

        // Get Any type value from UNO.
        css::uno::Any anyVal = GetXInterface()->getMinimumValue();
        // Convert Any to VARIANT.
        CMAccessible::ConvertAnyToVariant(anyVal, minimumValue);

        return S_OK;
    }
    catch (...)
    {
        return E_FAIL;
    }
}

/**
   * Put valid UNO interface into com class.
   * @param  pXInterface UNO interface.
   * @return Result.
   */
COM_DECLSPEC_NOTHROW STDMETHODIMP CAccValue::put_XInterface(hyper pXInterface)
{
    // internal IUNOXWrapper - no mutex meeded

    try
    {
        CUNOXWrapper::put_XInterface(pXInterface);
        //special query.
        if (pUNOInterface == nullptr)
            return E_FAIL;
        Reference<XAccessibleContext> pRContext = pUNOInterface->getAccessibleContext();
        if (!pRContext.is())
        {
            return E_FAIL;
        }
        Reference<XAccessibleValue> pRXI(pRContext, UNO_QUERY);
        if (!pRXI.is())
            pRXVal = nullptr;
        else
            pRXVal = pRXI.get();
        return S_OK;
    }
    catch (...)
    {
        return E_FAIL;
    }
}

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