x11_timer.hpp
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上传日期:2020-07-06
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midi
开发平台:
Unix_Linux
- /*****************************************************************************
- * x11_timer.hpp
- *****************************************************************************
- * Copyright (C) 2003 the VideoLAN team
- * $Id: 039f1b1bab6b499a3f1bb7d189406e17d69cf222 $
- *
- * Authors: Cyril Deguet <asmax@via.ecp.fr>
- * Olivier Teulière <ipkiss@via.ecp.fr>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
- *****************************************************************************/
- #ifndef X11_TIMER_HPP
- #define X11_TIMER_HPP
- #include "../src/os_timer.hpp"
- #include <list>
- // Forward declaration
- class X11TimerLoop;
- class CmdGeneric;
- // X11 specific timer
- class X11Timer: public OSTimer
- {
- public:
- X11Timer( intf_thread_t *pIntf, CmdGeneric &rCmd );
- virtual ~X11Timer();
- /// (Re)start the timer with the given delay (in ms). If oneShot is
- /// true, stop it after the first execution of the callback.
- virtual void start( int delay, bool oneShot );
- /// Stop the timer
- virtual void stop();
- mtime_t getNextDate() const;
- /// Execute the callback.
- /// Returns false if the timer must be removed after
- bool execute();
- private:
- /// Command to execute
- CmdGeneric &m_rCommand;
- /// Timer loop
- X11TimerLoop *m_pTimerLoop;
- /// Delay between two execute
- mtime_t m_interval;
- /// Next date at which the timer must be executed
- mtime_t m_nextDate;
- /// Flag to tell if the timer must be stopped after the first execution
- bool m_oneShot;
- };
- /// Class to manage a set of timers
- class X11TimerLoop: public SkinObject
- {
- public:
- /// Create the timer loop with the communication number of the X11
- /// display
- X11TimerLoop( intf_thread_t *pIntf, int connectionNumber );
- virtual ~X11TimerLoop();
- /// Add a timer in the manager
- void addTimer( X11Timer &rTimer );
- /// Remove a timer from the manager
- void removeTimer( X11Timer &rTimer );
- /// Wait for the next timer and execute it
- void waitNextTimer();
- private:
- /// Connection number of the X11 display
- int m_connectionNumber;
- /// List of timers
- list<X11Timer*> m_timers;
- /// Sleep for delay milliseconds, unless an X11 event is received
- /// Returns true if the sleep has been interupted.
- bool sleep( int delay );
- };
- #endif