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
21 * along with this program; if not, write to the Free Software
22 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
23 *****************************************************************************/
25 #ifndef CMD_GENERIC_HPP
26 #define CMD_GENERIC_HPP
28 #include "../src/skin_common.hpp"
29 #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 \
39 Cmd##name( intf_thread_t *pIntf ): CmdGeneric( pIntf ) {} \
40 virtual ~Cmd##name() {} \
41 virtual void execute(); \
42 virtual string getType() const { return type; } \
47 /// Macro to define a "callback" command inside a class
48 #define DEFINE_CALLBACK( parent, action ) \
49 class Cmd##action: public CmdGeneric \
52 Cmd##action( parent *pParent ): \
53 CmdGeneric( pParent->getIntf() ), m_pParent( pParent ) {} \
54 virtual ~Cmd##action() {} \
55 virtual void execute(); \
56 virtual string getType() const { return "Cmd" #parent #action; } \
61 friend class Cmd##action;
64 /// Base class for skins commands
65 class CmdGeneric: public SkinObject
68 virtual ~CmdGeneric() {}
70 /// This method does the real job of the command
71 virtual void execute() = 0;
73 /// Return the type of the command
74 virtual string getType() const { return ""; }
76 /// During queue reductions, check if we really want to remove
78 virtual bool checkRemove( CmdGeneric * ) const { return true; }
81 CmdGeneric( intf_thread_t *pIntf ): SkinObject( pIntf ) {}
85 typedef CountedPtr<CmdGeneric> CmdGenericPtr;