/**************************************************************
 * 
 * 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.
 * 
 *************************************************************/



// MARKER(update_precomp.py): autogen include statement, do not remove
#include "precompiled_dtrans.hxx"


//------------------------------------------------------------------------
// interface includes
//------------------------------------------------------------------------
#include <com/sun/star/datatransfer/XTransferable.hpp>
#include <com/sun/star/datatransfer/clipboard/XClipboardManager.hpp>
#include <com/sun/star/datatransfer/clipboard/XClipboardOwner.hpp>
#include <com/sun/star/datatransfer/clipboard/XClipboardNotifier.hpp>
#include <com/sun/star/datatransfer/clipboard/XClipboardEx.hpp>
#include <com/sun/star/lang/XComponent.hpp>

//------------------------------------------------------------------------
// other includes
//------------------------------------------------------------------------


#include <cppuhelper/servicefactory.hxx>
#include <cppuhelper/implbase1.hxx>
#include <cppuhelper/implbase2.hxx>
#include <rtl/ustring.hxx>
#include <osl/diagnose.h>

#include <stdlib.h>
#include <stdio.h>
#include <string.h>

//#include <memory>

//#include <process.h>

//------------------------------------------------------------------------
// my defines
//------------------------------------------------------------------------

#ifdef UNX
#define PATH_SEPERATOR '/'
#else
#define PATH_SEPERATOR '\\'
#endif

#define ENSURE( a, b ) if( !a ) { fprintf( stderr, b "\n" ); exit( -1 ); }
#define TEST( a, b ) fprintf( stderr, "Testing " a ); fprintf( stderr, b ? "passed\n" : "FAILED\n" )
#define PERFORM( a, b ) fprintf( stderr, "Performing " a); b; fprintf( stderr, "done\n" )
#define TRACE( a ) fprintf( stderr, a )

//------------------------------------------------------------------------
//	namespaces
//------------------------------------------------------------------------

using namespace	::rtl;
using namespace ::std;
using namespace ::cppu;
using namespace ::com::sun::star::container;
using namespace ::com::sun::star::datatransfer;
using namespace ::com::sun::star::datatransfer::clipboard;
using namespace ::com::sun::star::uno;
using namespace ::com::sun::star::io;
using namespace	::com::sun::star::lang;

//------------------------------------------------------------------------
//	globals
//------------------------------------------------------------------------

const char * app = NULL;

//------------------------------------------------------------------------
//	ClipboardOwner
//------------------------------------------------------------------------

class ClipboardOwner : public WeakImplHelper1< XClipboardOwner >
{
	Reference< XClipboard >    m_xClipboard;
	Reference< XTransferable > m_xTransferable;

	sal_uInt32 m_nReceivedLostOwnerships;

public:
	ClipboardOwner();

	//--------------------------------------------------------------------
	// XClipboardOwner
	//--------------------------------------------------------------------

	virtual void SAL_CALL lostOwnership( const Reference< XClipboard >& xClipboard, const Reference< XTransferable >& xTrans ) throw(RuntimeException);

	sal_uInt32 receivedLostOwnerships() { return m_nReceivedLostOwnerships; };
	Reference< XClipboard >    lostOwnershipClipboardValue() { return m_xClipboard; }
	Reference< XTransferable > lostOwnershipTransferableValue() { return m_xTransferable; };
};

//------------------------------------------------------------------------
//	ctor
//------------------------------------------------------------------------

ClipboardOwner::ClipboardOwner():
	m_nReceivedLostOwnerships( 0 )
{
}

//------------------------------------------------------------------------
//	lostOwnership
//------------------------------------------------------------------------

void SAL_CALL ClipboardOwner::lostOwnership( const Reference< XClipboard >& xClipboard, const Reference< XTransferable >& xTrans ) 
	throw(RuntimeException)
{
	m_nReceivedLostOwnerships++;
	m_xClipboard = xClipboard;
	m_xTransferable = xTrans; 
}

//------------------------------------------------------------------------
//	ClipboardListener
//------------------------------------------------------------------------

class ClipboardListener : public WeakImplHelper1< XClipboardListener >
{
	Reference< XClipboard >    m_xClipboard;
	Reference< XTransferable > m_xTransferable;

	sal_uInt32 m_nReceivedChangedContentsEvents;

public:
	ClipboardListener();

	//--------------------------------------------------------------------
	// XClipboardOwner
	//--------------------------------------------------------------------

	virtual void SAL_CALL changedContents( const ClipboardEvent& event ) throw(RuntimeException);

	//--------------------------------------------------------------------
	// XEventListener
	//--------------------------------------------------------------------
	
	virtual void SAL_CALL disposing( const EventObject& event ) throw(RuntimeException);
	
	sal_uInt32 receivedChangedContentsEvents() { return m_nReceivedChangedContentsEvents; };
	Reference< XClipboard >    changedContentsEventClipboardValue() { return m_xClipboard; }
	Reference< XTransferable > changedContentsEventTransferableValue() { return m_xTransferable; };
};

//------------------------------------------------------------------------
//	ctor
//------------------------------------------------------------------------

ClipboardListener::ClipboardListener():
	m_nReceivedChangedContentsEvents( 0 )
{
}

//------------------------------------------------------------------------
//	changedContents
//------------------------------------------------------------------------

void SAL_CALL ClipboardListener::changedContents( const ClipboardEvent& event )
	throw(RuntimeException)
{
	m_nReceivedChangedContentsEvents++;
	m_xClipboard = Reference< XClipboard > (event.Source, UNO_QUERY);
	m_xTransferable = event.Contents; 
}

//------------------------------------------------------------------------
//	disposing
//------------------------------------------------------------------------

void SAL_CALL ClipboardListener::disposing( const EventObject& event )
	throw(RuntimeException)
{
}

//------------------------------------------------------------------------
//	StringTransferable
//------------------------------------------------------------------------

class StringTransferable : public WeakImplHelper2< XClipboardOwner, XTransferable >
{
public:	
	StringTransferable( );
		
	//--------------------------------------------------------------------
	// XTransferable
	//--------------------------------------------------------------------

	virtual Any SAL_CALL getTransferData( const DataFlavor& aFlavor ) throw(UnsupportedFlavorException, IOException, RuntimeException);
    virtual Sequence< DataFlavor > SAL_CALL getTransferDataFlavors(  ) throw(RuntimeException);
	virtual sal_Bool SAL_CALL isDataFlavorSupported( const DataFlavor& aFlavor ) throw(RuntimeException);
	
	//--------------------------------------------------------------------
	// XClipboardOwner
	//--------------------------------------------------------------------

	virtual void SAL_CALL lostOwnership( const Reference< XClipboard >& xClipboard, const Reference< XTransferable >& xTrans ) throw(RuntimeException);

	sal_Bool receivedLostOwnership() { return m_receivedLostOwnership; };
	void clearReceivedLostOwnership() { m_receivedLostOwnership = sal_False; };
	
private:
	Sequence< DataFlavor > m_seqDFlv;
	OUString               m_Data;
	sal_Bool               m_receivedLostOwnership;
};

//------------------------------------------------------------------------
//	ctor
//------------------------------------------------------------------------

StringTransferable::StringTransferable( ) :
	m_seqDFlv( 1 ),
	m_receivedLostOwnership( sal_False ),
	m_Data( OUString::createFromAscii("clipboard test content") )
{
	DataFlavor df;
	
	/*
	df.MimeType = L"text/plain; charset=unicode";
	df.DataType = getCppuType( ( OUString* )0 );

	m_seqDFlv[0] = df;
	*/
	
	//df.MimeType = L"text/plain; charset=windows1252";
	df.MimeType = OUString::createFromAscii( "text/html" );
	df.DataType = getCppuType( ( Sequence< sal_Int8 >* )0 );

	m_seqDFlv[0] = df;	
}

//------------------------------------------------------------------------
//	getTransferData
//------------------------------------------------------------------------

Any SAL_CALL StringTransferable::getTransferData( const DataFlavor& aFlavor ) 
	throw(UnsupportedFlavorException, IOException, RuntimeException)
{	
	Any anyData;

	/*if ( aFlavor == m_seqDFlv[0] )
	{
		anyData = makeAny( m_Data );
	} */
#if 0
	else if ( aFlavor == m_seqDFlv[0] )
	{
		OString aStr( m_Data.getStr( ), m_Data.getLength( ), 1252 );
		Sequence< sal_Int8 > sOfChars( aStr.getLength( ) );
		sal_Int32 lenStr = aStr.getLength( );

		for ( sal_Int32 i = 0; i < lenStr; ++i )
			sOfChars[i] = aStr[i];

		anyData = makeAny( sOfChars );
	}
#endif

	return anyData;
}

//------------------------------------------------------------------------
//	getTransferDataFlavors
//------------------------------------------------------------------------

Sequence< DataFlavor > SAL_CALL StringTransferable::getTransferDataFlavors(  ) 
	throw(RuntimeException)
{
	return m_seqDFlv;
}

//------------------------------------------------------------------------
//	isDataFlavorSupported
//------------------------------------------------------------------------

sal_Bool SAL_CALL StringTransferable::isDataFlavorSupported( const DataFlavor& aFlavor ) 
	throw(RuntimeException)
{
	sal_Int32 nLength = m_seqDFlv.getLength( );
	sal_Bool bRet     = sal_False;

//	for ( sal_Int32 i = 0; i < nLength; ++i )
//	{
//		if ( m_seqDFlv[i] == aFlavor )
//		{
//			bRet = sal_True;
//			break;
//		}
//	}

	return bRet;
}

//------------------------------------------------------------------------
//	lostOwnership
//------------------------------------------------------------------------

void SAL_CALL StringTransferable::lostOwnership( const Reference< XClipboard >& xClipboard, const Reference< XTransferable >& xTrans ) 
	throw(RuntimeException)
{
	m_receivedLostOwnership = sal_True;
}

//------------------------------------------------------------------------
//	main
//------------------------------------------------------------------------

int SAL_CALL main( int argc, const char* argv[] )
{
	OUString aRegistry;

	//------------------------------------------------------------------
	// check command line parameters
	//------------------------------------------------------------------

	if ( NULL == ( app = strrchr( argv[0], PATH_SEPERATOR ) ) )
		app = argv[0];
	else
		app++;

	for( int n = 1; n < argc; n++ )
	{
		if( strncmp( argv[n], "-r", 2 ) == 0 )
		{
			if( strlen( argv[n] ) > 2 )
				aRegistry = OUString::createFromAscii( argv[n] + 2 );
			else if ( n + 1 < argc )
				aRegistry = OUString::createFromAscii( argv[++n] );
		}
	}

	if( aRegistry.getLength() == 0 )
		fprintf( stderr, "Usage: %s -r full-path-to-applicat.rdb\n", app );

	//------------------------------------------------------------------
	// create service manager
	//------------------------------------------------------------------
	Reference< XMultiServiceFactory > xServiceManager;
	
	try 
	{
		xServiceManager = createRegistryServiceFactory( aRegistry, sal_True );
		ENSURE( xServiceManager.is(), "*** ERROR *** service manager could not be created." );

		//--------------------------------------------------------------
		// create an instance of GenericClipboard service
		//--------------------------------------------------------------

		Sequence< Any > arguments(1);
		arguments[0] = makeAny( OUString::createFromAscii( "generic" ) );
		
		Reference< XClipboard > xClipboard( xServiceManager->createInstanceWithArguments( 
			OUString::createFromAscii( "com.sun.star.datatransfer.clipboard.GenericClipboard" ),
			arguments ), UNO_QUERY );

		ENSURE( xClipboard.is(), "*** ERROR *** generic clipboard service could not be created." );

		Reference< XClipboardNotifier > xClipboardNotifier( xClipboard, UNO_QUERY );
		Reference< XClipboardListener > xClipboardListener = new ClipboardListener();
		ClipboardListener * pListener = (ClipboardListener *) xClipboardListener.get();

		if( xClipboardNotifier.is() )
			xClipboardNotifier->addClipboardListener( xClipboardListener );

		//--------------------------------------------------------------
		// run various tests on clipboard implementation
		//--------------------------------------------------------------

		TRACE( "\n*** testing generic clipboard service ***\n" );

		Reference< XTransferable > xContents = new StringTransferable();
		Reference< XClipboardOwner > xOwner  = new ClipboardOwner();
		ClipboardOwner *pOwner = (ClipboardOwner *) xOwner.get();
		
		TEST( "initial contents (none): ", xClipboard->getContents().is() == sal_False );

		PERFORM( "update on contents with clipboard owner: ", xClipboard->setContents( xContents, xOwner ) );
		TEST( "current clipboard contents: ", xContents == xClipboard->getContents() );

		if( xClipboardNotifier.is() )
		{
			TEST( "if received changedContents notifications: ", pListener->receivedChangedContentsEvents() > 0 );
			TEST( "if received exactly 1 changedContents notification: ", pListener->receivedChangedContentsEvents() == 1 );
			TEST( "if received changedContents notification for correct clipboard: ", pListener->changedContentsEventClipboardValue() == xClipboard );
			TEST( "if received changedContents notification for correct clipboard: ", pListener->changedContentsEventTransferableValue() == xContents );
		}
		
		PERFORM( "update on contents without data (clear): ", xClipboard->setContents( Reference< XTransferable >(), Reference< XClipboardOwner >() ) );
		TEST( "if received lostOwnership message(s): ", pOwner->receivedLostOwnerships() > 0 );
		TEST( "if received exactly 1 lostOwnership message: ", pOwner->receivedLostOwnerships() == 1 );
		TEST( "if received lostOwnership message for the correct clipboard: ", pOwner->lostOwnershipClipboardValue() == xClipboard );
		TEST( "if received lostOwnership message for the correct transferable: ", pOwner->lostOwnershipTransferableValue() == xContents );
		TEST( "current clipboard contents (none): ", xClipboard->getContents().is() == sal_False );

		if( xClipboardNotifier.is() )
		{
			TEST( "if received changedContents notifications: ", pListener->receivedChangedContentsEvents() > 1 );
			TEST( "if received exactly 1 changedContents notification: ", pListener->receivedChangedContentsEvents() == 2 );
			TEST( "if received changedContents notification for correct clipboard: ", pListener->changedContentsEventClipboardValue() == xClipboard );
			TEST( "if received changedContents notification for correct transferable: ", ! pListener->changedContentsEventTransferableValue().is() );
		}

		PERFORM( "update on contents without clipboard owner: ", xClipboard->setContents( xContents, Reference< XClipboardOwner >() ) );
		TEST( "that no further lostOwnership messages were received: ", pOwner->receivedLostOwnerships() == 1 );
		TEST( "current clipboard contents: ", xContents == xClipboard->getContents() );		

		if( xClipboardNotifier.is() )
		{
			TEST( "if received changedContents notifications: ", pListener->receivedChangedContentsEvents() > 2 );
			TEST( "if received exactly 1 changedContents notification: ", pListener->receivedChangedContentsEvents() == 3 );
			TEST( "if received changedContents notification for correct clipboard: ", pListener->changedContentsEventClipboardValue() == xClipboard );
			TEST( "if received changedContents notification for correct transferable: ", pListener->changedContentsEventTransferableValue() == xContents );
		}


		PERFORM( "update on contents without data (clear): ", xClipboard->setContents( Reference< XTransferable >(), Reference< XClipboardOwner >() ) );
		TEST( "that no further lostOwnership messages were received: ", pOwner->receivedLostOwnerships() == 1 );
		TEST( "current clipboard contents (none): ", xClipboard->getContents().is() == sal_False );

		if( xClipboardNotifier.is() )
		{
			TEST( "if received changedContents notifications: ", pListener->receivedChangedContentsEvents() > 3 );
			TEST( "if received exactly 1 changedContents notification: ", pListener->receivedChangedContentsEvents() == 4 );
			TEST( "if received changedContents notification for correct clipboard: ", pListener->changedContentsEventClipboardValue() == xClipboard );
			TEST( "if received changedContents notification for correct transferable: ", ! pListener->changedContentsEventTransferableValue().is() );
		}

		//--------------------------------------------------------------
		// create an instance of ClipboardManager service
		//--------------------------------------------------------------
		
		Reference< XClipboardManager > xClipboardManager( xServiceManager->createInstance( 
			OUString::createFromAscii( "com.sun.star.datatransfer.clipboard.ClipboardManager" ) ), UNO_QUERY );

		ENSURE( xClipboardManager.is(), "*** ERROR *** clipboard manager service could not be created." );

		//--------------------------------------------------------------
		// run various tests on clipboard manager implementation
		//--------------------------------------------------------------

		TRACE( "\n*** testing clipboard manager service ***\n" );

		TEST( "initial number of clipboards (0): ", xClipboardManager->listClipboardNames().getLength() == 0 );
		PERFORM( "insertion of generic clipboard: ", xClipboardManager->addClipboard( xClipboard ) );
		TEST( "number of inserted clipboards (1): ", xClipboardManager->listClipboardNames().getLength() == 1 );
		TEST( "name of inserted clipboard (generic): ", xClipboardManager->listClipboardNames()[0] == OUString::createFromAscii( "generic" ) );
		TEST( "inserted clipboard instance: ", xClipboardManager->getClipboard( OUString::createFromAscii( "generic" ) ) == xClipboard );
		PERFORM( "removal of generic clipboard: ", xClipboardManager->removeClipboard( OUString::createFromAscii( "generic" ) ) );
		TEST( "number of inserted clipboards (0): ", xClipboardManager->listClipboardNames().getLength() == 0 );
		TRACE( "Testing inserted clipboard instance (none): " );
		try
		{
			xClipboardManager->getClipboard( OUString::createFromAscii( "generic" ) );
			TRACE( "FAILED\n" );
		}
		catch( NoSuchElementException e )
		{
			TRACE( "passed\n" );
		}
	}

	catch ( Exception aException )
	{
		ENSURE( sal_False, "*** ERROR *** exception caught." );
	}

	//--------------------------------------------------------------------
	// shutdown the service manager
	//--------------------------------------------------------------------

	// query XComponent interface
	Reference< XComponent > xComponent( xServiceManager, UNO_QUERY );

	ENSURE( xComponent.is(), "*** ERROR *** service manager does not support XComponent." );
	
	// Dispose and clear factory
	xComponent->dispose();
	xServiceManager.clear();

	fprintf( stderr, "Done.\n" );
	return 0;	
}