GlobalTime.h

//========================================================================================
// 
// $File$
// 
// Owner: Steve Flenniken
// 
// $Author$
// 
// $DateTime$
// 
// $Revision$
// 
// $Change$
// 
// Copyright 1997-2010 Adobe Systems Incorporated. All rights reserved.
// 
// NOTICE: Adobe permits you to use, modify, and distribute this file in accordance 
// with the terms of the Adobe license agreement accompanying it. If you have received
// this file from a source other than Adobe, then your use, modification, or 
// distribution of it requires the prior written permission of Adobe.
// 
//========================================================================================

#ifndef __GlobalTime__
#define __GlobalTime__

// Forward declare
class PMString;


class GlobalTime
{
public:
 typedef object_type data_type;

 enum {kOneSecond = 10000000};

 GlobalTime(){fTime = 0;};

 GlobalTime(uint64 time) {SetTime(time);};

#if MACINTOSH

 GlobalTime(uint32 macseconds) {SetTime(macseconds);};
#endif

 ~GlobalTime();

 void SetTime(uint64 time) {fTime = time;};

 int32 SetTime(int32 year, int32 month, int32 day, int32 hour,
 int32 minute, int32 second);

#if MACINTOSH

 void SetTime(uint32 macseconds);

 uint64 MacSecondsToFileTime(uint32 macseconds) const;

 uint32 FileTimeToMacSeconds(uint64 time) const;
#endif

 uint64 GetTime() const {return fTime;};

 int32 GetTime(int32 *year, int32 *month, int32 *day, int32 *hour,
 int32 *minute, int32 *second, int32* dayOfWeek = nil) const;

 void CurrentTime();

 int32 DateToString(PMString &s, bool16 shortform) const;

 int32 TimeToString(PMString &s) const;

 void ReadWrite(IPMStream *s);

 bool16 IsHistory(uint64 timeinterval) const;

 bool16 operator == (const GlobalTime &gt) const {return fTime == gt.fTime;};

 bool16 operator != (const GlobalTime &gt) const {return fTime != gt.fTime;};

 bool16 operator < (const GlobalTime &gt) const {return fTime < gt.fTime;};

 bool16 operator > (const GlobalTime &gt) const {return fTime > gt.fTime;};

#if DEBUG

 bool16 Test() const;
#endif

private:
 uint64 GetCurrentSystemTime() const;
 uint64 XferInt64(IPMStream *s, uint64 &value) const;

#if MACINTOSH
 int32 GetGMTDelta() const;
#endif

 uint64 fTime;
};


#endif