var_bool.cpp
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上传日期:2009-03-27
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- /*****************************************************************************
- * var_bool.cpp
- *****************************************************************************
- * Copyright (C) 2003 VideoLAN
- * $Id: var_bool.cpp 7561 2004-04-29 22:09:23Z asmax $
- *
- * Authors: Cyril Deguet <asmax@via.ecp.fr>
- * Olivier Teuli鑢e <ipkiss@via.ecp.fr>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program 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 General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111, USA.
- *****************************************************************************/
- #include "var_bool.hpp"
- const string VarBool::m_type = "bool";
- VarBoolImpl::VarBoolImpl( intf_thread_t *pIntf ):
- VarBool( pIntf ), m_value( false )
- {
- }
- void VarBoolImpl::set( bool value )
- {
- if( value != m_value )
- {
- m_value = value;
- notify();
- }
- }
- VarBoolAndBool::VarBoolAndBool( intf_thread_t *pIntf, VarBool &rVar1,
- VarBool &rVar2 ):
- VarBool( pIntf ), m_rVar1( rVar1 ), m_rVar2( rVar2 )
- {
- m_rVar1.addObserver( this );
- m_rVar2.addObserver( this );
- }
- VarBoolAndBool::~VarBoolAndBool()
- {
- m_rVar1.delObserver( this );
- m_rVar2.delObserver( this );
- }
- void VarBoolAndBool::onUpdate( Subject<VarBool> &rVariable )
- {
- notify();
- }
- VarBoolOrBool::VarBoolOrBool( intf_thread_t *pIntf, VarBool &rVar1,
- VarBool &rVar2 ):
- VarBool( pIntf ), m_rVar1( rVar1 ), m_rVar2( rVar2 )
- {
- m_rVar1.addObserver( this );
- m_rVar2.addObserver( this );
- }
- VarBoolOrBool::~VarBoolOrBool()
- {
- m_rVar1.delObserver( this );
- m_rVar2.delObserver( this );
- }
- void VarBoolOrBool::onUpdate( Subject<VarBool> &rVariable )
- {
- notify();
- }
- VarNotBool::VarNotBool( intf_thread_t *pIntf, VarBool &rVar ):
- VarBool( pIntf ), m_rVar( rVar )
- {
- m_rVar.addObserver( this );
- }
- VarNotBool::~VarNotBool()
- {
- m_rVar.delObserver( this );
- }
- void VarNotBool::onUpdate( Subject<VarBool> &rVariable )
- {
- notify();
- }