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 * Licensed to the Apache Software Foundation (ASF) under one
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 * 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
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#ifndef __INSTANCELOCKER_HXX_
#define __INSTANCELOCKER_HXX_

#include <com/sun/star/uno/XComponentContext.hpp>
#include <com/sun/star/lang/XComponent.hpp>
#include <com/sun/star/util/XCloseListener.hpp>
#include <com/sun/star/frame/XTerminateListener.hpp>
#include <com/sun/star/lang/XInitialization.hpp>
#include <com/sun/star/lang/XServiceInfo.hpp>
#include <com/sun/star/embed/XActionsApproval.hpp>
#include <com/sun/star/embed/Actions.hpp>
#include <cppuhelper/weakref.hxx>
#include <osl/mutex.hxx>
#include <cppuhelper/implbase3.hxx>
#include <cppuhelper/implbase2.hxx>
#include <cppuhelper/interfacecontainer.h>


class OLockListener;

// the service is implemented as a wrapper to be able to die by refcount
// the disposing mechanics is required for java related scenarios
class OInstanceLocker : public ::cppu::WeakImplHelper3< ::com::sun::star::lang::XComponent,
														::com::sun::star::lang::XInitialization,
														::com::sun::star::lang::XServiceInfo >
{
	::osl::Mutex m_aMutex;
	::com::sun::star::uno::Reference< ::com::sun::star::uno::XComponentContext > m_xContext;

	::com::sun::star::uno::Reference< ::com::sun::star::uno::XInterface > m_xLockListener;
	OLockListener* m_pLockListener;

	::cppu::OInterfaceContainerHelper* m_pListenersContainer; // list of listeners
	
	sal_Bool m_bDisposed;
	sal_Bool m_bInitialized;

public:
	OInstanceLocker( const ::com::sun::star::uno::Reference< ::com::sun::star::uno::XComponentContext >& xContext );
	~OInstanceLocker();

	static ::com::sun::star::uno::Sequence< ::rtl::OUString > SAL_CALL
			getSupportedServiceNames_static();

	static ::rtl::OUString SAL_CALL getImplementationName_static();

	static ::com::sun::star::uno::Reference< ::com::sun::star::uno::XInterface > SAL_CALL
		Create( 
			const ::com::sun::star::uno::Reference< ::com::sun::star::uno::XComponentContext >& rxContext );

// XComponent
    virtual void SAL_CALL dispose() throw (::com::sun::star::uno::RuntimeException);
    virtual void SAL_CALL addEventListener( const ::com::sun::star::uno::Reference< ::com::sun::star::lang::XEventListener >& xListener ) throw (::com::sun::star::uno::RuntimeException);
    virtual void SAL_CALL removeEventListener( const ::com::sun::star::uno::Reference< ::com::sun::star::lang::XEventListener >& aListener ) throw (::com::sun::star::uno::RuntimeException);

// XInitialization
    virtual void SAL_CALL initialize( const ::com::sun::star::uno::Sequence< ::com::sun::star::uno::Any >& aArguments ) throw (::com::sun::star::uno::Exception, ::com::sun::star::uno::RuntimeException);

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

};


class OLockListener : public ::cppu::WeakImplHelper2< ::com::sun::star::util::XCloseListener,
													::com::sun::star::frame::XTerminateListener >
{
	::osl::Mutex m_aMutex;
	::com::sun::star::uno::Reference< ::com::sun::star::uno::XInterface > m_xInstance;
	::com::sun::star::uno::Reference< ::com::sun::star::embed::XActionsApproval > m_xApproval;

	::com::sun::star::uno::WeakReference< ::com::sun::star::lang::XComponent > m_xWrapper;

	sal_Bool m_bDisposed;
	sal_Bool m_bInitialized;

	sal_Int32 m_nMode;

public:
	OLockListener(	const ::com::sun::star::uno::WeakReference< ::com::sun::star::lang::XComponent >& xWrapper,
					const ::com::sun::star::uno::Reference< ::com::sun::star::uno::XInterface >& xInstance,
					sal_Int32 nMode,
					const ::com::sun::star::uno::Reference< ::com::sun::star::embed::XActionsApproval > xApproval );

	~OLockListener();

	sal_Bool Init();
	void Dispose();

// XEventListener
    virtual void SAL_CALL disposing( const ::com::sun::star::lang::EventObject& Source ) throw (::com::sun::star::uno::RuntimeException);

// XCloseListener
    virtual void SAL_CALL queryClosing( const ::com::sun::star::lang::EventObject& Source, sal_Bool GetsOwnership ) throw (::com::sun::star::util::CloseVetoException, ::com::sun::star::uno::RuntimeException);
    virtual void SAL_CALL notifyClosing( const ::com::sun::star::lang::EventObject& Source ) throw (::com::sun::star::uno::RuntimeException);

// XTerminateListener
    virtual void SAL_CALL queryTermination( const ::com::sun::star::lang::EventObject& Event ) throw (::com::sun::star::frame::TerminationVetoException, ::com::sun::star::uno::RuntimeException);
    virtual void SAL_CALL notifyTermination( const ::com::sun::star::lang::EventObject& Event ) throw (::com::sun::star::uno::RuntimeException);

};

#endif