1 files changed, 105 insertions, 0 deletions
diff --git a/arts/midi/systemmiditimer_impl.cc b/arts/midi/systemmiditimer_impl.cc
new file mode 100644
index 00000000..bda27a8c
--- /dev/null
+++ b/arts/midi/systemmiditimer_impl.cc
@@ -0,0 +1,105 @@
+    /*
+
+    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., 59 Temple Place - Suite 330,
+    Boston, MA 02111-1307, 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);
+}