AOO410/main/sot/source/base/object.cxx

/**************************************************************
 * 
 * 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_sot.hxx"

#define _SOT_OBJECT_CXX

#include <tools/debug.hxx>
#include <sot/object.hxx>
#include <sot/factory.hxx>
#include <sot/agg.hxx>

/************** class SotObject ******************************************/
class SotObjectFactory : public SotFactory
{
public:
 		TYPEINFO();
		SotObjectFactory( const SvGlobalName & rName,
					  		const String & rClassName,
					  		CreateInstanceType pCreateFuncP )
			: SotFactory( rName, rClassName, pCreateFuncP )
		{}
};
TYPEINIT1(SotObjectFactory,SotFactory);


SO2_IMPL_BASIC_CLASS_DLL(SotObject,SotObjectFactory,
					SvGlobalName( 0xf44b7830, 0xf83c, 0x11d0,
							0xaa, 0xa1, 0x0, 0xa0, 0x24, 0x9d, 0x55, 0x90 ) )
SO2_IMPL_INVARIANT(SotObject)

/*************************************************************************
|*  SotObject::TestMemberObjRef()
|*
|*	Beschreibung:
*************************************************************************/
void SotObject::TestMemberObjRef( sal_Bool /*bFree*/ )
{
}

/*************************************************************************
|*  SotObject::TestMemberObjRef()
|*
|*	Beschreibung:
*************************************************************************/
#ifdef TEST_INVARIANT
void SotObject::TestMemberInvariant( sal_Bool /*bPrint*/ )
{
}
#endif

/*************************************************************************
|*    SotObject::SotObject()
|*
|*    Beschreibung
*************************************************************************/
SotObject::SotObject()
    : nStrongLockCount( 0 )
	, nOwnerLockCount( 0 )
    , bOwner      ( sal_True )
    , bSVObject   ( sal_False )
    , bInClose	  ( sal_False )
{
	SotFactory::IncSvObjectCount( this );
}

/*************************************************************************
|*
|*    SotObject::~SotObject()
|*
|*    Beschreibung
|*    Ersterstellung    MM 05.06.94
|*    Letzte Aenderung  MM 05.06.94
|*
*************************************************************************/
SotObject::~SotObject()
{
	SotFactory::DecSvObjectCount( this );
}

/*************************************************************************
|*    SotObject::GetInterface()
|*
|*    Beschreibung: Um so3 zu helfen
*************************************************************************/
IUnknown * SotObject::GetInterface( const SvGlobalName & )
{
	return NULL;
}

/*************************************************************************
|*    SotObject::CastAndAddRef()
|*
|*    Beschreibung
*************************************************************************/
void* SotObject::CastAndAddRef( const SotFactory * pFact )
{
	void * pCast = Cast( pFact );
	if( pCast )
		AddRef();
	return pCast;
}

//=========================================================================
sal_uInt16 SotObject::Lock( sal_Bool bLock )
{
	SotObjectRef xHoldAlive( this );
	sal_uInt16 nRet;
	if( bLock )
	{
		AddRef();
		nRet = ++nStrongLockCount;
	}
	else
	{
		nRet = --nStrongLockCount;
		ReleaseRef();
	}

	if( !nRet && !nOwnerLockCount )
		DoClose();

	return nRet;
}

//=========================================================================
void SotObject::OwnerLock
(
	sal_Bool bLock		/* sal_True, lock. sal_False, unlock. */
)
/*	[Beschreibung]

	Wenn der OwnerLock auf Null dekrementiert, dann wird die Methode
	DoClose gerufen. Dies geschieht unabh"angig vom Lock. bzw. RefCount.
	Ist der OwnerLock-Z"ahler != Null, dann wird kein DoClose durch
	<SotObject::FuzzyLock> gerufen.
*/
{
	if( bLock )
	{
		nOwnerLockCount++;
		AddRef();
	}
	else if ( nOwnerLockCount )
	{
		if( 0 == --nOwnerLockCount )
			DoClose();
		ReleaseRef();
	}
}

void SotObject::RemoveOwnerLock()
{
	if ( nOwnerLockCount )
	{
		--nOwnerLockCount;
		ReleaseRef();
	}
	else {
		DBG_ERROR("OwnerLockCount underflow!");
    }
}

//=========================================================================
sal_Bool SotObject::DoClose()
{
	sal_Bool bRet = sal_False;
	if( !bInClose )
	{
		SotObjectRef xHoldAlive( this );
		bInClose = sal_True;
		bRet = Close();
		bInClose = sal_False;
	}
	return bRet;
}

//=========================================================================
sal_Bool SotObject::Close()
{
	return sal_True;
}