/**************************************************************
 * 
 * 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 _FRAMEWORK_SCRIPT_SCRIPTRUNTIMEMANAGER_HXX_
#define _FRAMEWORK_SCRIPT_SCRIPTRUNTIMEMANAGER_HXX_

#include <osl/mutex.hxx>

#include <cppuhelper/implbase3.hxx>
#include <com/sun/star/lang/XServiceInfo.hpp>

#include <com/sun/star/lang/IllegalArgumentException.hpp>
#include <com/sun/star/uno/RuntimeException.hpp>
#include <com/sun/star/lang/XMultiComponentFactory.hpp>
#include <com/sun/star/script/CannotConvertException.hpp>
#include <com/sun/star/reflection/InvocationTargetException.hpp>

#include <drafts/com/sun/star/script/framework/runtime/XScriptInvocation.hpp>
#include <drafts/com/sun/star/script/framework/runtime/XScriptNameResolver.hpp>

namespace scripting_runtimemgr
{
// for simplification
#define css ::com::sun::star
#define dcsssf ::drafts::com::sun::star::script::framework

/**
 * Class responsible for managing the various ScriptRuntime implementations.
 */
class ScriptRuntimeManager : public 
    ::cppu::WeakImplHelper3< dcsssf::runtime::XScriptInvocation, css::lang::XServiceInfo,
    dcsssf::runtime::XScriptNameResolver >
{
public:
    explicit ScriptRuntimeManager( 
        const css::uno::Reference< css::uno::XComponentContext > & xContext );
    ~ScriptRuntimeManager();


    // XServiceInfo implementation
    virtual ::rtl::OUString SAL_CALL getImplementationName()
        throw( css::uno::RuntimeException );
    virtual sal_Bool SAL_CALL supportsService( const ::rtl::OUString& ServiceName )
        throw( css::uno::RuntimeException );
    virtual css::uno::Sequence< ::rtl::OUString > SAL_CALL getSupportedServiceNames()
        throw( css::uno::RuntimeException );

    /**
     * implements XScriptInvocation, invokes the script named in scriptURI 
     * (resolving it first, if necessary), with the args passed.
     *
     * @param scriptURI the URI, which may not be fully qualified, for the 
     *  script to be invoked
     *
     *************************************************************
      Invoke
        @param scriptUri script uri describing the script
        @param invocationCtx
             the invocation context contains the documentStorageID and document reference
             for use in script name resolving

        @param aParams all parameters; pure, out params are undefined in sequence,
            i.e., the value has to be ignored by the callee
        @param aOutParamIndex out indices
        @param aOutParam out parameters

        @returns 
            the value returned from the function being invoked

        @throws IllegalArgumentException 
            if there is no matching script name

        @throws CannotConvertException 
            if args do not match or cannot be converted the those 
            of the invokee
            
        @throws InvocationTargetException 
            if the running script throws an exception this information is captured and
            rethrown as this exception type.  
                  
    */
    virtual css::uno::Any SAL_CALL invoke(
        const ::rtl::OUString & scriptUri,
        const css::uno::Any& invocationCtx,
        const css::uno::Sequence< css::uno::Any >& aParams,
        css::uno::Sequence< sal_Int16 >& aOutParamIndex,
        css::uno::Sequence< css::uno::Any >& aOutParam )
        throw ( css::lang::IllegalArgumentException,
                css::script::CannotConvertException,
                css::reflection::InvocationTargetException,
                css::uno::RuntimeException );

    /**
     * implements  XScriptNameResolver, attempts to resolve the script URI
     * passed in
     *
     * @param scriptURI the URI to be resolved
     * @param invocationCtx  the invocation context contains the  
     * documentStorageID and document reference for use in script name 
     * resolving. On full name resolution it sets the resolvedScriptStorageID to 
     * the actual storage location of the fully resolved script. May or may not * be the
     same as the documentStorageID.
     * @return the resolved URI
     */
    virtual css::uno::Reference< dcsssf::storage::XScriptInfo > SAL_CALL resolve(
        const ::rtl::OUString& scriptUri,
        css::uno::Any& invocationCtx )
        throw( css::lang::IllegalArgumentException, css::script::CannotConvertException,
           css::uno::RuntimeException );

private:
    css::uno::Reference< dcsssf::runtime::XScriptInvocation > SAL_CALL getScriptRuntime( 
        const css::uno::Reference< css::uno::XInterface > & scriptInfo )
        throw( css::uno::RuntimeException );
    css::uno::Reference< dcsssf::runtime::XScriptNameResolver > SAL_CALL getScriptNameResolver()
        throw( css::uno::RuntimeException );

    css::uno::Reference< css::uno::XComponentContext > m_xContext;
    css::uno::Reference< css::lang::XMultiComponentFactory > m_xMgr;
    ::osl::Mutex m_mutex;
};
} // scripting_runtimemgr

#endif //_FRAMEWORK_SCRIPT_SCRIPTRUNTIMEMANAGER_HXX_