1 /*****************************************************************************
3 *****************************************************************************
4 * Copyright (C) 2003 the VideoLAN team
7 * Authors: Cyril Deguet <asmax@via.ecp.fr>
8 * Olivier Teulière <ipkiss@via.ecp.fr>
10 * This program is free software; you can redistribute it and/or modify
11 * it under the terms of the GNU General Public License as published by
12 * the Free Software Foundation; either version 2 of the License, or
13 * (at your option) any later version.
15 * This program is distributed in the hope that it will be useful,
16 * but WITHOUT ANY WARRANTY; without even the implied warranty of
17 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18 * GNU General Public License for more details.
20 * You should have received a copy of the GNU General Public License along
21 * with this program; if not, write to the Free Software Foundation, Inc.,
22 * 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
23 *****************************************************************************/
25 #ifndef CMD_GENERIC_HPP
26 #define CMD_GENERIC_HPP
30 #include "../src/skin_common.hpp"
31 #include "../utils/pointer.hpp"
34 /// Macro to define the prototype of simple commands
35 #define DEFINE_COMMAND( name, type ) \
36 class Cmd##name: public CmdGeneric \
38 Cmd##name( intf_thread_t *pIntf ): CmdGeneric( pIntf ) { } \
39 virtual ~Cmd##name() { } \
40 virtual void execute(); \
41 virtual string getType() const { return type; } \
45 /// Macro to define a "callback" command inside a class
46 #define DEFINE_CALLBACK( parent, action ) \
47 class Cmd##action: public CmdGeneric \
50 Cmd##action( parent *pParent ): \
51 CmdGeneric( pParent->getIntf() ), m_pParent( pParent ) { } \
52 virtual ~Cmd##action() { } \
53 virtual void execute(); \
54 virtual string getType() const { return "Cmd" #parent #action; } \
58 friend class Cmd##action;
61 /// Base class for skins commands
62 class CmdGeneric: public SkinObject
65 virtual ~CmdGeneric() { }
67 /// This method does the real job of the command
68 virtual void execute() = 0;
70 /// Return the type of the command
71 virtual string getType() const { return ""; }
73 /// During queue reductions, check if we really want to remove
75 virtual bool checkRemove( CmdGeneric * ) const { return true; }
78 CmdGeneric( intf_thread_t *pIntf ): SkinObject( pIntf ) { }
82 typedef CountedPtr<CmdGeneric> CmdGenericPtr;