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/*************************************************************************
 *
 *  $RCSfile: menudispatcher.hxx,v $
 *
 *  $Revision: 1.1 $
 *
 *  last change: $Author: as $ $Date: 2001-07-02 13:22:14 $
 *
 *  The Contents of this file are made available subject to the terms of
 *  either of the following licenses
 *
 *         - GNU Lesser General Public License Version 2.1
 *         - Sun Industry Standards Source License Version 1.1
 *
 *  Sun Microsystems Inc., October, 2000
 *
 *  GNU Lesser General Public License Version 2.1
 *  =============================================
 *  Copyright 2000 by Sun Microsystems, Inc.
 *  901 San Antonio Road, Palo Alto, CA 94303, USA
 *
 *  This library is free software; you can redistribute it and/or
 *  modify it under the terms of the GNU Lesser General Public
 *  License version 2.1, as published by the Free Software Foundation.
 *
 *  This library is distributed in the hope that it will be useful,
 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 *  Lesser General Public License for more details.
 *
 *  You should have received a copy of the GNU Lesser General Public
 *  License along with this library; if not, write to the Free Software
 *  Foundation, Inc., 59 Temple Place, Suite 330, Boston,
 *  MA  02111-1307  USA
 *
 *
 *  Sun Industry Standards Source License Version 1.1
 *  =================================================
 *  The contents of this file are subject to the Sun Industry Standards
 *  Source License Version 1.1 (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.openoffice.org/license.html.
 *
 *  Software provided under this License is provided on an "AS IS" basis,
 *  WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING,
 *  WITHOUT LIMITATION, WARRANTIES THAT THE SOFTWARE IS FREE OF DEFECTS,
 *  MERCHANTABLE, FIT FOR A PARTICULAR PURPOSE, OR NON-INFRINGING.
 *  See the License for the specific provisions governing your rights and
 *  obligations concerning the Software.
 *
 *  The Initial Developer of the Original Code is: Sun Microsystems, Inc.
 *
 *  Copyright: 2000 by Sun Microsystems, Inc.
 *
 *  All Rights Reserved.
 *
 *  Contributor(s): _______________________________________
 *
 *
 ************************************************************************/

#ifndef __FRAMEWORK_DISPATCH_MENUDISPATCHER_HXX_
#define __FRAMEWORK_DISPATCH_MENUDISPATCHER_HXX_

//_________________________________________________________________________________________________________________
//  my own includes
//_________________________________________________________________________________________________________________

#ifndef __FRAMEWORK_CLASSES_TASKCREATOR_HXX_
#include <classes/taskcreator.hxx>
#endif

#ifndef __FRAMEWORK_SERVICES_FRAME_HXX_
#include <services/frame.hxx>
#endif

#ifndef __FRAMEWORK_MACROS_GENERIC_HXX_
#include <macros/generic.hxx>
#endif

#ifndef __FRAMEWORK_MACROS_XINTERFACE_HXX_
#include <macros/xinterface.hxx>
#endif

#ifndef __FRAMEWORK_MACROS_XTYPEPROVIDER_HXX_
#include <macros/xtypeprovider.hxx>
#endif

#ifndef __FRAMEWORK_MACROS_DEBUG_HXX_
#include <macros/debug.hxx>
#endif

#ifndef __FRAMEWORK_THREADHELP_THREADHELPBASE_HXX_
#include <threadhelp/threadhelpbase.hxx>
#endif

#ifndef __FRAMEWORK_CLASSES_MENUMANAGER_HXX_
#include <classes/menumanager.hxx>
#endif

#ifndef __FRAMEWORK_GENERAL_H_
#include <general.h>
#endif

#ifndef __FRAMEWORK_STDTYPES_H_
#include <stdtypes.h>
#endif

//_________________________________________________________________________________________________________________
//  interface includes
//_________________________________________________________________________________________________________________

#ifndef _COM_SUN_STAR_LANG_XTYPEPROVIDER_HPP_
#include <com/sun/star/lang/XTypeProvider.hpp>
#endif

#ifndef _COM_SUN_STAR_FRAME_XDISPATCH_HPP_
#include <com/sun/star/frame/XDispatch.hpp>
#endif

#ifndef _COM_SUN_STAR_UTIL_URL_HPP_
#include <com/sun/star/util/URL.hpp>
#endif

#ifndef _COM_SUN_STAR_FRAME_DISPATCHDESCRIPTOR_HPP_
#include <com/sun/star/frame/DispatchDescriptor.hpp>
#endif

#ifndef _COM_SUN_STAR_BEANS_PROPERTYVALUE_HPP_
#include <com/sun/star/beans/PropertyValue.hpp>
#endif

#ifndef _COM_SUN_STAR_FRAME_XSTATUSLISTENER_HPP_
#include <com/sun/star/frame/XStatusListener.hpp>
#endif

#ifndef _COM_SUN_STAR_FRAME_XFRAMELOADER_HPP_
#include <com/sun/star/frame/XFrameLoader.hpp>
#endif

#ifndef _COM_SUN_STAR_FRAME_XLOADEVENTLISTENER_HPP_
#include <com/sun/star/frame/XLoadEventListener.hpp>
#endif

#ifndef _COM_SUN_STAR_FRAME_XDESKTOP_HPP_
#include <com/sun/star/frame/XDesktop.hpp>
#endif

#ifndef _COM_SUN_STAR_FRAME_XTASK_HPP_
#include <com/sun/star/frame/XTask.hpp>
#endif

#ifndef _COM_SUN_STAR_FRAME_FEATURESTATEEVENT_HPP_
#include <com/sun/star/frame/FeatureStateEvent.hpp>
#endif

#ifndef _COM_SUN_STAR_FRAME_XFRAMEACTIONLISTENER_HPP_
#include <com/sun/star/frame/XFrameActionListener.hpp>
#endif

//_________________________________________________________________________________________________________________
//  other includes
//_________________________________________________________________________________________________________________

#ifndef _CPPUHELPER_WEAK_HXX_
#include <cppuhelper/weak.hxx>
#endif

#ifndef _CPPUHELPER_WEAKREF_HXX_
#include <cppuhelper/weakref.hxx>
#endif

#ifndef _CPPUHELPER_INTERFACECONTAINER_H_
#include <cppuhelper/interfacecontainer.h>
#endif

//_________________________________________________________________________________________________________________
//  namespace
//_________________________________________________________________________________________________________________

namespace framework{


//_________________________________________________________________________________________________________________
//  exported const
//_________________________________________________________________________________________________________________

//_________________________________________________________________________________________________________________
//  exported definitions
//_________________________________________________________________________________________________________________

/*-************************************************************************************************************//**
    We must save informations about our listener and URL for listening.
    We implement this as a hashtable for strings.
*//*-*************************************************************************************************************/

typedef ::cppu::OMultiTypeInterfaceContainerHelperVar<  ::rtl::OUString         ,
                                                        OUStringHashCode        ,
                                                        std::equal_to< ::rtl::OUString > > IMPL_ListenerHashContainer;


/*-************************************************************************************************************//**
    @short          helper for desktop only(!) to create new tasks on demand for dispatches
    @descr          Use this class as member only! Never use it as baseclass.
                    XInterface will be ambigous and we hold a weakcss::uno::Reference to ouer OWNER - not to ouer SUPERCLASS!

    @implements     XInterface
                    XDispatch
                    XLoadEventListener
                    XFrameActionListener
                    XEventListener
    @base           ThreadHelpBase
                    OWeakObject

    @devstatus      ready to use
*//*-*************************************************************************************************************/
class MenuDispatcher   :   // interfaces
                                public css::lang::XTypeProvider         ,
                                public css::frame::XDispatch            ,
                                public css::frame::XFrameActionListener ,
                                // baseclasses
                                // Order is neccessary for right initialization!
                                public ThreadHelpBase                       ,
                                public cppu::OWeakObject
{
    //-------------------------------------------------------------------------------------------------------------
    //  public methods
    //-------------------------------------------------------------------------------------------------------------

    public:

        //---------------------------------------------------------------------------------------------------------
        //  constructor / destructor
        //---------------------------------------------------------------------------------------------------------

        /*-****************************************************************************************************//**
            @short      standard ctor
            @descr      These initialize a new instance of ths class with needed informations for work.

            @seealso    using at owner

            @param      "xFactory"  , css::uno::Reference to servicemanager for creation of new services
            @param      "xOwner"    , css::uno::Reference to our owner, the Desktop!!!
            @return     -

            @onerror    -
        *//*-*****************************************************************************************************/

        MenuDispatcher(    const   css::uno::Reference< css::lang::XMultiServiceFactory >& xFactory    ,
                            const   css::uno::Reference< css::frame::XFrame >&              xOwner      );

        //---------------------------------------------------------------------------------------------------------
        //  XInterface
        //---------------------------------------------------------------------------------------------------------

        DECLARE_XINTERFACE
        DECLARE_XTYPEPROVIDER

        //---------------------------------------------------------------------------------------------------------
        //  XDispatch
        //---------------------------------------------------------------------------------------------------------

        /*-****************************************************************************************************//**
            @short      dispatch URL with arguments
            @descr      Every dispatch create a new task. If load of URL failed task will deleted automaticly!

            @seealso    -

            @param      "aURL"          , URL to dispatch.
            @param      "seqArguments"  , list of optional arguments.
            @return     -

            @onerror    -
        *//*-*****************************************************************************************************/

        virtual void SAL_CALL dispatch( const   css::util::URL&                                     aURL            ,
                                        const   css::uno::Sequence< css::beans::PropertyValue >&    seqProperties   ) throw( css::uno::RuntimeException );

        /*-****************************************************************************************************//**
            @short      add listener for state events
            @descr      You can add a listener to get information about status of dispatch: OK or Failed.

            @seealso    method loadFinished()
            @seealso    method loadCancelled()

            @param      "xControl"  , css::uno::Reference to a valid listener for state events.
            @param      "aURL"      , URL about listener will be informed, if something occured.
            @return     -

            @onerror    -
        *//*-*****************************************************************************************************/

        virtual void SAL_CALL addStatusListener(    const   css::uno::Reference< css::frame::XStatusListener >& xControl,
                                                    const   css::util::URL&                                     aURL    ) throw( css::uno::RuntimeException );

        /*-****************************************************************************************************//**
            @short      remove listener for state events
            @descr      You can remove a listener if information of dispatch isn't important for you any longer.

            @seealso    method loadFinished()
            @seealso    method loadCancelled()

            @param      "xControl"  , css::uno::Reference to a valid listener.
            @param      "aURL"      , URL on which listener has registered.
            @return     -

            @onerror    -
        *//*-*****************************************************************************************************/

        virtual void SAL_CALL removeStatusListener( const   css::uno::Reference< css::frame::XStatusListener >& xControl,
                                                    const   css::util::URL&                                     aURL    ) throw( css::uno::RuntimeException );


        //---------------------------------------------------------------------------------------------------------
        //   XFrameActionListener
        //---------------------------------------------------------------------------------------------------------

        virtual void SAL_CALL frameAction( const css::frame::FrameActionEvent& aEvent ) throw ( css::uno::RuntimeException );

        //---------------------------------------------------------------------------------------------------------
        //   XEventListener
        //---------------------------------------------------------------------------------------------------------

        /*-****************************************************************************************************//**
            @short      dispose current instance
            @descr      If service helper isn't required any longer call this method to release all used ressources.

            @seealso    -

            @param      "aEvent", information about source of this event.
            @return     -

            @onerror    -
        *//*-*****************************************************************************************************/

        void SAL_CALL disposing( const EVENTOBJECT& aEvent ) throw( css::uno::RuntimeException );

    //-------------------------------------------------------------------------------------------------------------
    //  protected methods
    //-------------------------------------------------------------------------------------------------------------

    protected:

        /*-****************************************************************************************************//**
            @short      standard destructor
            @descr      This method destruct an instance of this class and clear some member.
                        This method is protected, because its not allowed to use an instance of this class as a member!
                        You MUST use a pointer.

            @seealso    -

            @param      -
            @return     -

            @onerror    -
        *//*-*****************************************************************************************************/

        virtual ~MenuDispatcher();

    //-------------------------------------------------------------------------------------------------------------
    //  private methods
    //-------------------------------------------------------------------------------------------------------------

    private:

        /*-****************************************************************************************************//**
            @short      -
            @descr      -

            @seealso    -

            @param      -
            @return     -

            @onerror    -
        *//*-*****************************************************************************************************/

        void impl_sendStatusEvent(  const   css::uno::Reference< XFRAME >&  xEventSource    ,
                                    const   ::rtl::OUString&        sURL            ,
                                            sal_Bool                bLoadState      );


        /*-****************************************************************************************************//**
            @short      -
            @descr      -

            @seealso    -

            @param      -
            @return     -

            @onerror    -
        *//*-*****************************************************************************************************/

        sal_Bool impl_setMenuBar( MenuBar* pMenuBar, sal_Bool bMenuFromResource = sal_False );

    //-------------------------------------------------------------------------------------------------------------
    //  debug methods
    //  (should be private everyway!)
    //-------------------------------------------------------------------------------------------------------------

        /*-****************************************************************************************************//**
            @short      debug-method to check incoming parameter of some other mehods of this class
            @descr      The following methods are used to check parameters for other methods
                        of this class. The return value is used directly for an ASSERT(...).

            @seealso    ASSERTs in implementation!

            @param      css::uno::References to checking variables
            @return     sal_False on invalid parameter<BR>
                        sal_True  otherway

            @onerror    -
        *//*-*****************************************************************************************************/

    #ifdef ENABLE_ASSERTIONS

    private:

        static sal_Bool impldbg_checkParameter_MenuDispatcher      (   const   css::uno::Reference< css::lang::XMultiServiceFactory >& xFactory        ,
                                                                        const   css::uno::Reference< css::frame::XFrame >&              xOwner          );
        static sal_Bool impldbg_checkParameter_dispatch             (   const   css::util::URL&                                         aURL            ,
                                                                        const   css::uno::Sequence< css::beans::PropertyValue >&        seqArguments    );
        static sal_Bool impldbg_checkParameter_addStatusListener    (   const   css::uno::Reference< css::frame::XStatusListener >&     xControl        ,
                                                                        const   css::util::URL&                                         aURL            );
        static sal_Bool impldbg_checkParameter_removeStatusListener (   const   css::uno::Reference< css::frame::XStatusListener >&     xControl        ,
                                                                        const   css::util::URL&                                         aURL            );
    #endif  // #ifdef ENABLE_ASSERTIONS

    //-------------------------------------------------------------------------------------------------------------
    //  variables
    //  (should be private everyway!)
    //-------------------------------------------------------------------------------------------------------------

    private:

        css::uno::WeakReference< css::frame::XFrame >           m_xOwnerWeak        ;   /// css::uno::WeakReference to owner (Don't use a hard css::uno::Reference. Owner can't delete us then!)
        css::uno::Reference< css::lang::XMultiServiceFactory >  m_xFactory          ;   /// factory shared with our owner to create new services!
        IMPL_ListenerHashContainer                              m_aListenerContainer;   /// hash table for listener at specified URLs
        sal_Bool                                                m_bAlreadyDisposed  ;   /// Protection against multiple disposing calls.
        sal_Bool                                                m_bActivateListener ;   /// dispatcher is listener for frame activation
        MenuManager*                                            m_pMenuManager      ;   /// menu manager controlling menu dispatches

};      //  class MenuDispatcher

}       //  namespace framework

#endif  //  #ifndef __FRAMEWORK_DISPATCH_MENUDISPATCHER_HXX_