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/*
Copyright (C) 2001 Stefan Westerfeld
[email protected]
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public
License as published by the Free Software Foundation; either
version 2 of the License, or (at your option) any later version.
This library 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
Library General Public License for more details.
You should have received a copy of the GNU Library General Public License
along with this library; see the file COPYING.LIB. If not, write to
the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
Boston, MA 02110-1301, USA.
*/
#include "artsmidi.h"
#include "debug.h"
#include "miditimercommon.h"
using namespace std;
using namespace Arts;
namespace Arts {
class SystemMidiTimerCommon : public MidiTimerCommon,
public TimeNotify {
protected:
SystemMidiTimerCommon();
virtual ~SystemMidiTimerCommon();
public:
// allocation: share one SystemMidiTimerCommon for everbody who needs one
static SystemMidiTimerCommon *subscribe();
void notifyTime();
TimeStamp time();
};
}
static SystemMidiTimerCommon *SystemMidiTimerCommon_the = 0;
SystemMidiTimerCommon::SystemMidiTimerCommon()
{
SystemMidiTimerCommon_the = this;
Dispatcher::the()->ioManager()->addTimer(10, this);
}
SystemMidiTimerCommon::~SystemMidiTimerCommon()
{
Dispatcher::the()->ioManager()->removeTimer(this);
SystemMidiTimerCommon_the = 0;
}
TimeStamp SystemMidiTimerCommon::time()
{
timeval tv;
gettimeofday(&tv,0);
return TimeStamp(tv.tv_sec, tv.tv_usec);
}
void SystemMidiTimerCommon::notifyTime()
{
processQueue();
}
SystemMidiTimerCommon *SystemMidiTimerCommon::subscribe()
{
if(!SystemMidiTimerCommon_the) new SystemMidiTimerCommon();
SystemMidiTimerCommon_the->refCount++;
return SystemMidiTimerCommon_the;
}
class SystemMidiTimer_impl : public SystemMidiTimer_skel {
protected:
SystemMidiTimerCommon *timer;
public:
SystemMidiTimer_impl()
{
timer = SystemMidiTimerCommon::subscribe();
}
~SystemMidiTimer_impl()
{
timer->unsubscribe();
}
TimeStamp time()
{
return timer->time();
}
void queueEvent(MidiPort port, const MidiEvent& event)
{
timer->queueEvent(port, event);
}
};
namespace Arts {
REGISTER_IMPLEMENTATION(SystemMidiTimer_impl);
}
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