File indexing completed on 2024-05-05 17:50:04
0001 /* 0002 Copyright (C) 2014 Andreas Hartmetz <ahartmetz@gmail.com> 0003 0004 This library is free software; you can redistribute it and/or 0005 modify it under the terms of the GNU Library General Public 0006 License as published by the Free Software Foundation; either 0007 version 2 of the License, or (at your option) any later version. 0008 0009 This library is distributed in the hope that it will be useful, 0010 but WITHOUT ANY WARRANTY; without even the implied warranty of 0011 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 0012 Library General Public License for more details. 0013 0014 You should have received a copy of the GNU Library General Public License 0015 along with this library; see the file COPYING.LGPL. If not, write to 0016 the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, 0017 Boston, MA 02110-1301, USA. 0018 0019 Alternatively, this file is available under the Mozilla Public License 0020 Version 1.1. You may obtain a copy of the License at 0021 http://www.mozilla.org/MPL/ 0022 */ 0023 0024 #ifndef TIMER_H 0025 #define TIMER_H 0026 0027 #include "types.h" 0028 0029 class EventDispatcher; 0030 class EventDispatcherPrivate; 0031 class ICompletionListener; 0032 0033 class DFERRY_EXPORT Timer 0034 { 0035 public: 0036 Timer(EventDispatcher *dispatcher); 0037 ~Timer(); 0038 // can't allow copying because Timers are remembered by pointer in EventDispatcher 0039 // (and since this isn't a value class, copying makes little sense) 0040 Timer(const Timer &) = delete; 0041 void operator=(const Timer &) = delete; 0042 0043 void start(int msec); // convenience: setInterval(msec) and setRunning(true) 0044 void stop(); // convenience: setRunning(false) 0045 void setRunning(bool); 0046 bool isRunning() const; 0047 0048 void setInterval(int msec); 0049 int interval() const; 0050 0051 void setRepeating(bool); 0052 bool isRepeating() const; 0053 0054 int remainingTime() const; 0055 0056 void setCompletionListener(ICompletionListener *client); 0057 ICompletionListener *completionClient() const; 0058 0059 EventDispatcher *eventDispatcher() const; 0060 0061 private: 0062 friend class EventDispatcherPrivate; 0063 void trigger(); 0064 EventDispatcher *m_eventDispatcher; // TODO make a per-thread event dispatcher implicit? 0065 ICompletionListener *m_completionListener; 0066 bool *m_reentrancyGuard; 0067 int m_interval; 0068 bool m_isRunning : 1; 0069 bool m_isRepeating : 1; 0070 uint32 m_reserved : sizeof(uint32) - 2; 0071 inline uint64 tag() { return (m_nextDueTime << 10) + m_serial; } 0072 uint64 m_nextDueTime : 54; 0073 uint32 m_serial : 10; 0074 }; 0075 0076 #endif // TIMER_H