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 * 
 * 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
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 *************************************************************/




#ifndef _WINCLIPBOARD_HXX_
#define _WINCLIPBOARD_HXX_


//------------------------------------------------------------------------
// includes
//------------------------------------------------------------------------

#include <rtl/ustring.hxx>
#include <sal/types.h>
#include <cppuhelper/compbase4.hxx>
#include <com/sun/star/datatransfer/XTransferable.hpp>
#include <com/sun/star/datatransfer/clipboard/XClipboardEx.hpp>
#include <com/sun/star/datatransfer/clipboard/XClipboardOwner.hpp>
#include <com/sun/star/datatransfer/clipboard/XClipboardListener.hpp>
#include <com/sun/star/datatransfer/clipboard/XClipboardNotifier.hpp>
#include <com/sun/star/datatransfer/clipboard/XFlushableClipboard.hpp>
#include <com/sun/star/lang/XServiceInfo.hpp>
#include <osl/conditn.hxx>

#include <memory>

// forward
class CWinClipbImpl;

//------------------------------------------------------------------------
// implements the XClipboard[Ex] ... interfaces 
// for the clipboard viewer mechanism we need a static callback function
// and a static member to reasocciate from this static function to the 
// class instance 
// watch out: we are using only one static member variable and not a list 
// because we assume to be instanciated only once
// this will be asured by an OneInstanceFactory of the service and not
// by this class!
//------------------------------------------------------------------------

// helper class, so that the mutex is constructed
// before the constructor of WeakComponentImplHelper
// will be called and initialized with this mutex
class CWinClipboardDummy
{ 
protected:
	osl::Mutex		m_aMutex;	
	osl::Mutex		m_aCbListenerMutex;
};

class CWinClipboard : 
	public CWinClipboardDummy,
	public cppu::WeakComponentImplHelper4< 
		::com::sun::star::datatransfer::clipboard::XClipboardEx, \
		::com::sun::star::datatransfer::clipboard::XFlushableClipboard,
		::com::sun::star::datatransfer::clipboard::XClipboardNotifier,		
		::com::sun::star::lang::XServiceInfo >
{
public:
	CWinClipboard( const ::com::sun::star::uno::Reference< ::com::sun::star::lang::XMultiServiceFactory >& rServiceManager, 
				   const ::rtl::OUString& aClipboardName );
	
	//------------------------------------------------
	// XClipboard
	//------------------------------------------------

	virtual ::com::sun::star::uno::Reference< ::com::sun::star::datatransfer::XTransferable > SAL_CALL getContents(  ) 
		throw( ::com::sun::star::uno::RuntimeException );
    
	virtual void SAL_CALL setContents( 
		const ::com::sun::star::uno::Reference< ::com::sun::star::datatransfer::XTransferable >& xTransferable, 
		const ::com::sun::star::uno::Reference< ::com::sun::star::datatransfer::clipboard::XClipboardOwner >& xClipboardOwner ) 
		throw( ::com::sun::star::uno::RuntimeException );

    virtual ::rtl::OUString SAL_CALL getName(  ) 
		throw( ::com::sun::star::uno::RuntimeException );

	//------------------------------------------------
	// XFlushableClipboard
	//------------------------------------------------
	
	virtual void SAL_CALL flushClipboard( ) throw( com::sun::star::uno::RuntimeException );

	//------------------------------------------------
	// XClipboardEx 
	//------------------------------------------------
    
	virtual sal_Int8 SAL_CALL getRenderingCapabilities(  ) throw( ::com::sun::star::uno::RuntimeException );

	//------------------------------------------------
	// XClipboardNotifier 
	//------------------------------------------------

	virtual void SAL_CALL addClipboardListener( 
		const ::com::sun::star::uno::Reference< ::com::sun::star::datatransfer::clipboard::XClipboardListener >& listener ) 
		throw( ::com::sun::star::uno::RuntimeException );

    virtual void SAL_CALL removeClipboardListener( 
		const ::com::sun::star::uno::Reference< ::com::sun::star::datatransfer::clipboard::XClipboardListener >& listener ) 
		throw( ::com::sun::star::uno::RuntimeException );

	//------------------------------------------------
	// overwrite base class method, which is called 
	// by base class dispose function
	//------------------------------------------------

	virtual void SAL_CALL disposing();

	//------------------------------------------------
	// 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);

private:
	void SAL_CALL notifyAllClipboardListener( );	

private:		
	::std::auto_ptr< CWinClipbImpl >												  m_pImpl;	
	::com::sun::star::uno::Reference< ::com::sun::star::lang::XMultiServiceFactory >  m_SrvMgr;

	friend class CWinClipbImpl;
};


#endif