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+ /*
+
+ Copyright (C) 2001 Stefan Westerfeld
+ stefan@space.twc.de
+
+ 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);
+}