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109 lines
3.4 KiB
109 lines
3.4 KiB
/*****************************************************************************
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* var_list.hpp
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*****************************************************************************
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* Copyright (C) 2003 VideoLAN
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* $Id$
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*
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* Authors: Cyril Deguet <asmax@via.ecp.fr>
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* Olivier Teulière <ipkiss@via.ecp.fr>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111, USA.
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*****************************************************************************/
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#ifndef VAR_LIST_HPP
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#define VAR_LIST_HPP
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#include <list>
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#include "variable.hpp"
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#include "observer.hpp"
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#include "ustring.hpp"
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#include "var_percent.hpp"
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/// List variable
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class VarList: public Variable, public Subject<VarList>
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{
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public:
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VarList( intf_thread_t *pIntf );
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virtual ~VarList();
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/// Get the variable type
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virtual const string &getType() const { return m_type; }
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/// Add a pointer on a string in the list
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virtual void add( const UStringPtr &rcString );
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/// Remove the selected elements from the list
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virtual void delSelected();
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/// Remove all the elements from the list
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virtual void clear();
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/// Get the number of items in the list
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int size() const { return m_list.size(); }
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/// Type of an element in the list
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struct Elem_t
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{
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UStringPtr m_cString;
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bool m_selected;
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bool m_playing;
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Elem_t( const UStringPtr &rcString, bool selected = false, bool
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playing = false ):
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m_cString( rcString ), m_selected( selected ),
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m_playing( playing) {}
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};
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/// Iterators
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typedef list<Elem_t>::iterator Iterator;
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typedef list<Elem_t>::const_iterator ConstIterator;
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/// Beginning of the list
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Iterator begin() { return m_list.begin(); }
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ConstIterator begin() const { return m_list.begin(); }
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/// End of the list
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Iterator end() { return m_list.end(); }
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ConstIterator end() const { return m_list.end(); }
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/// Return an iterator on the n'th element of the list
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Iterator operator[]( int n );
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ConstIterator operator[]( int n ) const;
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/// Execute the action associated to this item
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virtual void action( Elem_t *pItem ) {}
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/// Get a reference on the position variable
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VarPercent &getPositionVar() const
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{ return *((VarPercent*)m_cPosition.get()); }
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/// Get a counted pointer on the position variable
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const VariablePtr &getPositionVarPtr() const { return m_cPosition; }
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protected:
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/// List of elements
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list<Elem_t> m_list;
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private:
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/// Variable type
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static const string m_type;
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/// Position variable
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VariablePtr m_cPosition;
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};
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#endif
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