00001 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */ 00002 /* 00003 * This file is part of the LibreOffice project. 00004 * 00005 * This Source Code Form is subject to the terms of the Mozilla Public 00006 * License, v. 2.0. If a copy of the MPL was not distributed with this 00007 * file, You can obtain one at http://mozilla.org/MPL/2.0/. 00008 * 00009 * This file incorporates work covered by the following license notice: 00010 * 00011 * Licensed to the Apache Software Foundation (ASF) under one or more 00012 * contributor license agreements. See the NOTICE file distributed 00013 * with this work for additional information regarding copyright 00014 * ownership. The ASF licenses this file to you under the Apache 00015 * License, Version 2.0 (the "License"); you may not use this file 00016 * except in compliance with the License. You may obtain a copy of 00017 * the License at http://www.apache.org/licenses/LICENSE-2.0 . 00018 */ 00019 00020 00021 #ifndef _SALHELPER_TIMER_HXX_ 00022 #define _SALHELPER_TIMER_HXX_ 00023 00024 #include <salhelper/simplereferenceobject.hxx> 00025 #include <osl/time.h> 00026 #include "salhelperdllapi.h" 00027 00028 namespace salhelper 00029 { 00030 00035 struct TTimeValue : public TimeValue 00036 { 00037 TTimeValue() 00038 { 00039 Seconds = 0; 00040 Nanosec = 0; 00041 } 00042 00043 TTimeValue( sal_uInt32 Secs, sal_uInt32 Nano ) 00044 { 00045 Seconds = Secs; 00046 Nanosec = Nano; 00047 00048 normalize(); 00049 } 00050 00051 TTimeValue(sal_uInt32 MilliSecs) 00052 { 00053 Seconds = MilliSecs / 1000L; 00054 Nanosec = (MilliSecs % 1000) * 1000000L; 00055 00056 normalize(); 00057 } 00058 00059 TTimeValue( const TTimeValue& rTimeValue ) 00060 { 00061 Seconds = rTimeValue.Seconds; 00062 Nanosec = rTimeValue.Nanosec; 00063 00064 normalize(); 00065 } 00066 00067 TTimeValue( const TimeValue& rTimeValue ) 00068 { 00069 Seconds = rTimeValue.Seconds; 00070 Nanosec = rTimeValue.Nanosec; 00071 00072 normalize(); 00073 } 00074 00075 void SAL_CALL normalize() 00076 { 00077 if ( Nanosec > 1000000000 ) 00078 { 00079 Seconds += Nanosec / 1000000000; 00080 Nanosec %= 1000000000; 00081 } 00082 } 00083 00084 void SAL_CALL addTime( const TTimeValue& Delta ) 00085 { 00086 Seconds += Delta.Seconds; 00087 Nanosec += Delta.Nanosec; 00088 00089 normalize(); 00090 } 00091 00092 sal_Bool SAL_CALL isEmpty() const 00093 { 00094 return ( ( Seconds == 0 ) && ( Nanosec == 0 ) ); 00095 } 00096 }; 00097 00098 inline sal_Bool operator<( const TTimeValue& rTimeA, const TTimeValue& rTimeB ) 00099 { 00100 if ( rTimeA.Seconds < rTimeB.Seconds ) 00101 return sal_True; 00102 else if ( rTimeA.Seconds > rTimeB.Seconds ) 00103 return sal_False; 00104 else 00105 return ( rTimeA.Nanosec < rTimeB.Nanosec ); 00106 } 00107 00108 inline sal_Bool operator>( const TTimeValue& rTimeA, const TTimeValue& rTimeB ) 00109 { 00110 if ( rTimeA.Seconds > rTimeB.Seconds ) 00111 return sal_True; 00112 else if ( rTimeA.Seconds < rTimeB.Seconds ) 00113 return sal_False; 00114 else 00115 return ( rTimeA.Nanosec > rTimeB.Nanosec ); 00116 } 00117 00118 inline sal_Bool operator==( const TTimeValue& rTimeA, const TTimeValue& rTimeB ) 00119 { 00120 return ( ( rTimeA.Seconds == rTimeB.Seconds ) && 00121 ( rTimeA.Nanosec == rTimeB.Nanosec ) ); 00122 } 00123 00124 class TimerManager; 00125 00128 class SALHELPER_DLLPUBLIC Timer : public salhelper::SimpleReferenceObject 00129 { 00130 public: 00131 00134 Timer(); 00135 00138 Timer( const TTimeValue& Time ); 00139 00142 Timer( const TTimeValue& Time, const TTimeValue& RepeatTime ); 00143 00146 void SAL_CALL start(); 00147 00150 void SAL_CALL stop(); 00151 00154 sal_Bool SAL_CALL isTicking() const; 00155 00158 sal_Bool SAL_CALL isExpired() const; 00159 00162 sal_Bool SAL_CALL expiresBefore( const Timer* pTimer ) const; 00163 00166 void SAL_CALL setAbsoluteTime( const TTimeValue& Time ); 00167 00170 void SAL_CALL setRemainingTime( const TTimeValue& Remaining ); 00171 00175 void SAL_CALL setRemainingTime( const TTimeValue& Remaining, const TTimeValue& Repeat ); 00176 00179 void SAL_CALL addTime( const TTimeValue& Time ); 00180 00183 TTimeValue SAL_CALL getRemainingTime() const; 00184 00185 protected: 00186 00189 virtual ~Timer(); 00190 00193 virtual void SAL_CALL onShot() = 0; 00194 00195 protected: 00196 00199 TTimeValue m_aTimeOut; 00200 00203 TTimeValue m_aExpired; 00204 00207 TTimeValue m_aRepeatDelta; 00208 00211 Timer* m_pNext; 00212 00213 private: 00214 00217 SALHELPER_DLLPRIVATE Timer( const Timer& rTimer ); 00218 00221 SALHELPER_DLLPRIVATE void SAL_CALL operator=( const Timer& rTimer ); 00222 00223 friend class TimerManager; 00224 }; 00225 00226 } 00227 00228 #endif //_SALHELPER_TIMER_HXX_ 00229 00230 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */