/**************************************************************
 * 
 * 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
 * 
 * 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.
 * 
 *************************************************************/



#ifndef _FIXEDVALUEBACKEND_HXX_
#define _FIXEDVALUEBACKEND_HXX_

#include <com/sun/star/beans/XPropertySet.hpp>
#include <com/sun/star/lang/XServiceInfo.hpp>
#include <cppuhelper/implbase2.hxx>
#include <rtl/string.hxx>


namespace css = com::sun::star ;
namespace uno = css::uno ;
namespace lang = css::lang ;

class LocaleBackend : public ::cppu::WeakImplHelper2 < 
        css::beans::XPropertySet,
        lang::XServiceInfo > {
        
    public :
        
        static LocaleBackend* createInstance();

        // XServiceInfo
        virtual rtl::OUString SAL_CALL 
            getImplementationName(  ) 
                throw (uno::RuntimeException) ;
        
        virtual sal_Bool SAL_CALL 
            supportsService( const rtl::OUString& aServiceName ) 
                throw (uno::RuntimeException) ;

        virtual uno::Sequence<rtl::OUString> SAL_CALL 
            getSupportedServiceNames(  ) 
                throw (uno::RuntimeException) ;

        /**
          Provides the implementation name.

          @return   implementation name
          */
        static rtl::OUString SAL_CALL getBackendName(void) ;
        /**
          Provides the supported services names

          @return   service names
          */
        static uno::Sequence<rtl::OUString> SAL_CALL getBackendServiceNames(void) ;

        // XPropertySet
        virtual css::uno::Reference< css::beans::XPropertySetInfo > SAL_CALL
        getPropertySetInfo() throw (css::uno::RuntimeException)
        { return css::uno::Reference< css::beans::XPropertySetInfo >(); }

        virtual void SAL_CALL setPropertyValue(
            rtl::OUString const &, css::uno::Any const &)
            throw (
                css::beans::UnknownPropertyException,
                css::beans::PropertyVetoException,
                css::lang::IllegalArgumentException,
                css::lang::WrappedTargetException, css::uno::RuntimeException);

        virtual css::uno::Any SAL_CALL getPropertyValue(
            rtl::OUString const & PropertyName)
            throw (
                css::beans::UnknownPropertyException,
                css::lang::WrappedTargetException, css::uno::RuntimeException);

        virtual void SAL_CALL addPropertyChangeListener(
            rtl::OUString const &,
            css::uno::Reference< css::beans::XPropertyChangeListener > const &)
            throw (
                css::beans::UnknownPropertyException,
                css::lang::WrappedTargetException, css::uno::RuntimeException)
        {}

        virtual void SAL_CALL removePropertyChangeListener(
            rtl::OUString const &,
            css::uno::Reference< css::beans::XPropertyChangeListener > const &)
            throw (
                css::beans::UnknownPropertyException,
                css::lang::WrappedTargetException, css::uno::RuntimeException)
        {}

        virtual void SAL_CALL addVetoableChangeListener(
            rtl::OUString const &,
            css::uno::Reference< css::beans::XVetoableChangeListener > const &)
            throw (
                css::beans::UnknownPropertyException,
                css::lang::WrappedTargetException, css::uno::RuntimeException)
        {}

        virtual void SAL_CALL removeVetoableChangeListener(
            rtl::OUString const &,
            css::uno::Reference< css::beans::XVetoableChangeListener > const &)
            throw (
                css::beans::UnknownPropertyException,
                css::lang::WrappedTargetException, css::uno::RuntimeException)
        {}

    protected:
        /**
          Service constructor from a service factory.

          @param xContext   component context
          */
        LocaleBackend();

        /** Destructor */
        ~LocaleBackend(void) ;

    private:
        // Returns the user locale 
        static rtl::OUString getLocale(void);
        
        // Returns the user UI locale 
        static rtl::OUString getUILocale(void);
        
        // Returns the system default locale 
        static rtl::OUString getSystemLocale(void);
} ;


#endif // _FIXEDVALUEBACKEND_HXX_