/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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 * 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 .
 */

#ifndef __FRAMEWORK_DISPATCH_STARTMODULEDISPATCHER_HXX_
#define __FRAMEWORK_DISPATCH_STARTMODULEDISPATCHER_HXX_

#include <threadhelp/threadhelpbase.hxx>
#include <macros/xinterface.hxx>
#include <macros/xtypeprovider.hxx>
#include <macros/debug.hxx>
#include <macros/generic.hxx>
#include <stdtypes.h>
#include <general.h>

#include <com/sun/star/lang/XTypeProvider.hpp>
#include <com/sun/star/frame/XFrame.hpp>
#include <com/sun/star/frame/XStatusListener.hpp>
#include <com/sun/star/frame/XNotifyingDispatch.hpp>
#include <com/sun/star/frame/XDispatchInformationProvider.hpp>
#include <com/sun/star/util/URL.hpp>
#include <com/sun/star/frame/XDispatchResultListener.hpp>
#include <com/sun/star/lang/XMultiServiceFactory.hpp>
#include <com/sun/star/frame/DispatchResultState.hpp>

#include <cppuhelper/weak.hxx>
#include <vcl/evntpost.hxx>


namespace framework{

//-----------------------------------------------
/**
    @short          helper to handle all URLs related to the StartModule
 */
class StartModuleDispatcher : public css::lang::XTypeProvider
                            , public css::frame::XNotifyingDispatch             // => XDispatch
                            , public css::frame::XDispatchInformationProvider
                            // baseclasses ... order is neccessary for right initialization!
                            , private ThreadHelpBase
                            , public  ::cppu::OWeakObject
{
    //-------------------------------------------
    // member

    private:

        //---------------------------------------
        /** @short reference to an uno service manager,
                   which can be used to create own needed
                   uno resources. */
        css::uno::Reference< css::lang::XMultiServiceFactory > m_xSMGR;

        //---------------------------------------
        /** @short  our "context" frame. */
        css::uno::WeakReference< css::frame::XFrame > m_xOwner;

        //---------------------------------------
        /** @short  the original queryDispatch() target. */
        ::rtl::OUString m_sDispatchTarget;

        //---------------------------------------
        /** @short  list of registered status listener */
        ListenerHash m_lStatusListener;

    //-------------------------------------------
    // native interface

    public:

        //---------------------------------------
        /** @short  connect a new StartModuleDispatcher instance to its "owner frame".

            @descr  Such "owner frame" is used as context for all related operations.

            @param  xSMGR
                    an uno service manager, which is needed to create uno resource
                    internaly.

            @param  xFrame
                    the frame where the corresponding dispatch was started.

            @param  sTarget
                    the original target information used for the related queryDispatch() call.
         */
        StartModuleDispatcher(const css::uno::Reference< css::lang::XMultiServiceFactory >& xSMGR  ,
                              const css::uno::Reference< css::frame::XFrame >&              xFrame ,
                              const ::rtl::OUString&                                        sTarget);

        //---------------------------------------
        /** @short  does nothing real. */
        virtual ~StartModuleDispatcher();

    //-------------------------------------------
    // uno interface

    public:

        //---------------------------------------
        FWK_DECLARE_XINTERFACE
        FWK_DECLARE_XTYPEPROVIDER

        //---------------------------------------
        // XNotifyingDispatch
        virtual void SAL_CALL dispatchWithNotification( const css::util::URL&                                             aURL      ,
                                                        const css::uno::Sequence< css::beans::PropertyValue >&            lArguments,
                                                        const css::uno::Reference< css::frame::XDispatchResultListener >& xListener ) throw(css::uno::RuntimeException);

        //---------------------------------------
        // XDispatch
        virtual void SAL_CALL dispatch            ( const css::util::URL&                                     aURL      ,
                                                    const css::uno::Sequence< css::beans::PropertyValue >&    lArguments) throw(css::uno::RuntimeException);
        virtual void SAL_CALL addStatusListener   ( const css::uno::Reference< css::frame::XStatusListener >& xListener ,
                                                    const css::util::URL&                                     aURL      ) throw(css::uno::RuntimeException);
        virtual void SAL_CALL removeStatusListener( const css::uno::Reference< css::frame::XStatusListener >& xListener ,
                                                    const css::util::URL&                                     aURL      ) throw(css::uno::RuntimeException);

        //---------------------------------------
        // XDispatchInformationProvider
        virtual css::uno::Sequence< sal_Int16 >                       SAL_CALL getSupportedCommandGroups         (                         ) throw (css::uno::RuntimeException);
        virtual css::uno::Sequence< css::frame::DispatchInformation > SAL_CALL getConfigurableDispatchInformation( sal_Int16 nCommandGroup ) throw (css::uno::RuntimeException);

    //-------------------------------------------
    // internal helper

    private:

        //---------------------------------------
        /** @short  check if StartModule can be shown.
         */
        ::sal_Bool implts_isBackingModePossible();

        //---------------------------------------
        /** @short  open the special BackingComponent (now StartModule)

            @return [bool]
                    sal_True if operation was successfully.
         */
        ::sal_Bool implts_establishBackingMode();

        //---------------------------------------
        /** @short  notify a DispatchResultListener.

            @descr  We check the listener reference before we use it.
                    So this method can be called everytimes!

            @parama xListener
                    the listener, which should be notified.
                    Can be null!

            @param  nState
                    directly used as css::frame::DispatchResultState value.

            @param  aResult
                    not used yet realy ...
         */
        void implts_notifyResultListener(const css::uno::Reference< css::frame::XDispatchResultListener >& xListener,
                                               sal_Int16                                                   nState   ,
                                         const css::uno::Any&                                              aResult  );

}; // class StartModuleDispatcher

} // namespace framework

#endif // #ifndef __FRAMEWORK_DISPATCH_STARTMODULEDISPATCHER_HXX_

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