mirror of
https://code.videolan.org/videolan/vlc
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85 lines
3.2 KiB
C++
85 lines
3.2 KiB
C++
/*****************************************************************************
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* cmd_generic.hpp
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*****************************************************************************
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* Copyright (C) 2003 the VideoLAN team
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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 along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
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*****************************************************************************/
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#ifndef CMD_GENERIC_HPP
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#define CMD_GENERIC_HPP
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#include <string>
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#include "../src/skin_common.hpp"
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#include "../utils/pointer.hpp"
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/// Macro to define the prototype of simple commands
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#define DEFINE_COMMAND( name, type ) \
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class Cmd##name: public CmdGeneric \
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{ public: \
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Cmd##name( intf_thread_t *pIntf ): CmdGeneric( pIntf ) { } \
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virtual ~Cmd##name() { } \
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virtual void execute(); \
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virtual std::string getType() const { return type; } \
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};
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/// Macro to define a "callback" command inside a class
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#define DEFINE_CALLBACK( parent, action ) \
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class Cmd##action: public CmdGeneric \
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{ \
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public: \
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Cmd##action( parent *pParent ): \
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CmdGeneric( pParent->getIntf() ), m_pParent( pParent ) { } \
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virtual ~Cmd##action() { } \
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virtual void execute(); \
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virtual std::string getType() const { return "Cmd" #parent #action; } \
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private: \
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parent *m_pParent; \
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} m_cmd##action; \
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friend class Cmd##action;
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/// Base class for skins commands
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class CmdGeneric: public SkinObject
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{
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public:
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virtual ~CmdGeneric() { }
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/// This method does the real job of the command
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virtual void execute() = 0;
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/// Return the type of the command
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virtual std::string getType() const { return ""; }
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/// During queue reductions, check if we really want to remove
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/// this command.
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virtual bool checkRemove( CmdGeneric * ) const { return true; }
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protected:
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CmdGeneric( intf_thread_t *pIntf ): SkinObject( pIntf ) { }
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};
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typedef CountedPtr<CmdGeneric> CmdGenericPtr;
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#endif
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