xref: /aoo41x/main/comphelper/source/property/propstate.cxx (revision dde7d3fa)

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 *
 * 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
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 *   http://www.apache.org/licenses/LICENSE-2.0
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 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
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// MARKER(update_precomp.py): autogen include statement, do not remove
#include "precompiled_comphelper.hxx"
#include <comphelper/propstate.hxx>
#include <com/sun/star/uno/genfunc.h>
#include <cppuhelper/queryinterface.hxx>
#include <comphelper/sequence.hxx>

//.........................................................................
namespace comphelper
{
//.........................................................................

    using ::com::sun::star::uno::Reference;
    using ::com::sun::star::uno::Type;
    using ::com::sun::star::uno::RuntimeException;
    using ::com::sun::star::uno::Sequence;
    using ::com::sun::star::lang::XTypeProvider;
    using ::com::sun::star::uno::Any;
    using ::com::sun::star::uno::cpp_queryInterface;
    using ::com::sun::star::uno::cpp_release;
    using ::com::sun::star::beans::PropertyState_DEFAULT_VALUE;
    using ::com::sun::star::beans::PropertyState_DIRECT_VALUE;

    //=====================================================================
    // OPropertyStateHelper
    //=====================================================================

    //---------------------------------------------------------------------
    ::com::sun::star::uno::Any SAL_CALL OPropertyStateHelper::queryInterface(const  ::com::sun::star::uno::Type& _rType) throw( ::com::sun::star::uno::RuntimeException)
    {
	    ::com::sun::star::uno::Any aReturn = OPropertySetHelper::queryInterface(_rType);
	    // our own ifaces
	    if ( !aReturn.hasValue() )
		    aReturn = ::cppu::queryInterface(_rType, static_cast< ::com::sun::star::beans::XPropertyState*>(this));

	    return aReturn;
    }

    //---------------------------------------------------------------------
    ::com::sun::star::uno::Sequence< ::com::sun::star::uno::Type> OPropertyStateHelper::getTypes() throw( ::com::sun::star::uno::RuntimeException)
    {
	    static  ::com::sun::star::uno::Sequence< ::com::sun::star::uno::Type> aTypes;
	    if (!aTypes.getLength())
	    {
		    aTypes.realloc(4);
		    ::com::sun::star::uno::Type* pTypes = aTypes.getArray();
		    // base class types
		    pTypes[0] = getCppuType(( ::com::sun::star::uno::Reference< ::com::sun::star::beans::XPropertySet>*)NULL);
		    pTypes[1] = getCppuType(( ::com::sun::star::uno::Reference< ::com::sun::star::beans::XMultiPropertySet>*)NULL);
		    pTypes[2] = getCppuType(( ::com::sun::star::uno::Reference< ::com::sun::star::beans::XFastPropertySet>*)NULL);
		    // my own type
		    pTypes[3] = getCppuType(( ::com::sun::star::uno::Reference< ::com::sun::star::beans::XPropertyState>*)NULL);
	    }
	    return aTypes;
    }

	OPropertyStateHelper::OPropertyStateHelper(
        ::cppu::OBroadcastHelper& rBHlp,
        ::cppu::IEventNotificationHook *i_pFireEvents)
        :   ::cppu::OPropertySetHelper(rBHlp, i_pFireEvents) { }

    OPropertyStateHelper::~OPropertyStateHelper() {}

    //---------------------------------------------------------------------
    void OPropertyStateHelper::firePropertyChange(sal_Int32 nHandle, const  ::com::sun::star::uno::Any& aNewValue, const  ::com::sun::star::uno::Any& aOldValue)
    {
	    fire(&nHandle, &aNewValue, &aOldValue, 1, sal_False);
    }

    // XPropertyState
    //---------------------------------------------------------------------
    ::com::sun::star::beans::PropertyState SAL_CALL OPropertyStateHelper::getPropertyState(const ::rtl::OUString& _rsName) throw( ::com::sun::star::beans::UnknownPropertyException,  ::com::sun::star::uno::RuntimeException)
    {
	    cppu::IPropertyArrayHelper& rPH = getInfoHelper();
	    sal_Int32 nHandle = rPH.getHandleByName(_rsName);

	    if (nHandle == -1)
		    throw  ::com::sun::star::beans::UnknownPropertyException();

	    return getPropertyStateByHandle(nHandle);
    }

    //---------------------------------------------------------------------
    void SAL_CALL OPropertyStateHelper::setPropertyToDefault(const ::rtl::OUString& _rsName) throw( ::com::sun::star::beans::UnknownPropertyException,  ::com::sun::star::uno::RuntimeException)
    {
	    cppu::IPropertyArrayHelper& rPH = getInfoHelper();
	    sal_Int32 nHandle = rPH.getHandleByName(_rsName);

	    if (nHandle == -1)
		    throw  ::com::sun::star::beans::UnknownPropertyException();

	    setPropertyToDefaultByHandle(nHandle);
    }

    //---------------------------------------------------------------------
    ::com::sun::star::uno::Any SAL_CALL OPropertyStateHelper::getPropertyDefault(const ::rtl::OUString& _rsName) throw( ::com::sun::star::beans::UnknownPropertyException,  ::com::sun::star::lang::WrappedTargetException,  ::com::sun::star::uno::RuntimeException)
    {
	    cppu::IPropertyArrayHelper& rPH = getInfoHelper();
	    sal_Int32 nHandle = rPH.getHandleByName(_rsName);

	    if (nHandle == -1)
		    throw  ::com::sun::star::beans::UnknownPropertyException();

	    return getPropertyDefaultByHandle(nHandle);
    }

    //---------------------------------------------------------------------
    ::com::sun::star::uno::Sequence< ::com::sun::star::beans::PropertyState> SAL_CALL OPropertyStateHelper::getPropertyStates(const  ::com::sun::star::uno::Sequence< ::rtl::OUString >& _rPropertyNames) throw( ::com::sun::star::beans::UnknownPropertyException,  ::com::sun::star::uno::RuntimeException)
    {
	    sal_Int32 nLen = _rPropertyNames.getLength();
	    ::com::sun::star::uno::Sequence< ::com::sun::star::beans::PropertyState> aRet(nLen);
	    ::com::sun::star::beans::PropertyState* pValues = aRet.getArray();
	    const ::rtl::OUString* pNames = _rPropertyNames.getConstArray();

	    cppu::IPropertyArrayHelper& rHelper = getInfoHelper();

	    ::com::sun::star::uno::Sequence< ::com::sun::star::beans::Property> aProps = rHelper.getProperties();
	    const  ::com::sun::star::beans::Property* pProps = aProps.getConstArray();
	    sal_Int32 nPropCount	   = aProps.getLength();

	    osl::MutexGuard aGuard(rBHelper.rMutex);
	    for (sal_Int32 i=0, j=0; i<nPropCount && j<nLen; ++i, ++pProps)
	    {
		    // get the values only for valid properties
		    if (pProps->Name.equals(*pNames))
		    {
			    *pValues = getPropertyState(*pNames);
			    ++pValues;
			    ++pNames;
			    ++j;
		    }
	    }

	    return aRet;
    }

    //---------------------------------------------------------------------
    ::com::sun::star::beans::PropertyState OPropertyStateHelper::getPropertyStateByHandle( sal_Int32 _nHandle )
    {
	    // simply compare the current and the default value
	    Any aCurrentValue = getPropertyDefaultByHandle( _nHandle );
	    Any aDefaultValue;  getFastPropertyValue( aDefaultValue, _nHandle );

	    sal_Bool bEqual = uno_type_equalData(
			    const_cast< void* >( aCurrentValue.getValue() ), aCurrentValue.getValueType().getTypeLibType(),
			    const_cast< void* >( aDefaultValue.getValue() ), aDefaultValue.getValueType().getTypeLibType(),
			    reinterpret_cast< uno_QueryInterfaceFunc >(cpp_queryInterface),
                reinterpret_cast< uno_ReleaseFunc >(cpp_release)
		    );
        return bEqual ? PropertyState_DEFAULT_VALUE : PropertyState_DIRECT_VALUE;
    }

    //---------------------------------------------------------------------
    void OPropertyStateHelper::setPropertyToDefaultByHandle( sal_Int32 _nHandle )
    {
        setFastPropertyValue( _nHandle, getPropertyDefaultByHandle( _nHandle ) );
    }

    //---------------------------------------------------------------------
    ::com::sun::star::uno::Any OPropertyStateHelper::getPropertyDefaultByHandle( sal_Int32 ) const
    {
	    return  ::com::sun::star::uno::Any();
    }

    //=====================================================================
    // OStatefulPropertySet
    //=====================================================================
    //---------------------------------------------------------------------
    OStatefulPropertySet::OStatefulPropertySet()
        :OPropertyStateHelper( GetBroadcastHelper() )
    {
    }

    //---------------------------------------------------------------------
    OStatefulPropertySet::~OStatefulPropertySet()
    {
    }

    //---------------------------------------------------------------------
    Sequence< Type > SAL_CALL OStatefulPropertySet::getTypes() throw(RuntimeException)
    {
        Sequence< Type > aOwnTypes( 2 );
        aOwnTypes[0] = XWeak::static_type();
        aOwnTypes[1] = XTypeProvider::static_type();

        return concatSequences(
            aOwnTypes,
            OPropertyStateHelper::getTypes()
        );
    }

    //---------------------------------------------------------------------
    Sequence< sal_Int8 > SAL_CALL OStatefulPropertySet::getImplementationId() throw(RuntimeException)
    {
        static ::cppu::OImplementationId * pId = NULL;
        if ( !pId )
        {
            ::osl::MutexGuard aGuard( ::osl::Mutex::getGlobalMutex() );
            if ( !pId )
            {
                static ::cppu::OImplementationId aId;
                pId = &aId;
            }
        }
        return pId->getImplementationId();
    }

    //---------------------------------------------------------------------
    Any SAL_CALL OStatefulPropertySet::queryInterface( const Type& _rType ) throw(RuntimeException)
    {
        Any aReturn = OWeakObject::queryInterface( _rType );
        if ( !aReturn.hasValue() )
            aReturn = ::cppu::queryInterface( _rType, static_cast< XTypeProvider* >( this ) );
        if ( !aReturn.hasValue() )
            aReturn = OPropertyStateHelper::queryInterface( _rType );
        return aReturn;
    }

    //---------------------------------------------------------------------
    void SAL_CALL OStatefulPropertySet::acquire() throw()
    {
        ::cppu::OWeakObject::acquire();
    }

    //---------------------------------------------------------------------
    void SAL_CALL OStatefulPropertySet::release() throw()
    {
        ::cppu::OWeakObject::release();
    }

//.........................................................................
}
//.........................................................................