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 ASYNC_QUEUE_HPP
26 #define ASYNC_QUEUE_HPP
28 #include "cmd_generic.hpp"
36 /// Asynchronous queue for commands
37 class AsyncQueue: public SkinObject
40 /// Get the instance of AsyncQueue
41 /// Returns NULL if initialization failed.
42 static AsyncQueue *instance( intf_thread_t *pIntf );
44 /// Destroy the instance of AsyncQueue
45 static void destroy( intf_thread_t *pIntf );
47 /// Add a command in the queue, after having removed the commands
48 /// of the same type already in the queue if needed
49 void push( const CmdGenericPtr &rcCommand, bool removePrev = true );
51 /// Remove the commands of the given type
52 void remove( const string &rType , const CmdGenericPtr &rcCommand );
54 /// Flush the queue and execute the commands
59 list<CmdGenericPtr> m_cmdList;
65 // Private because it is a singleton
66 AsyncQueue( intf_thread_t *pIntf );
67 virtual ~AsyncQueue();
69 // Callback to flush the queue
70 DEFINE_CALLBACK( AsyncQueue, Flush );