1 files changed, 101 insertions, 0 deletions
diff --git a/src/engine/MidiAction.cpp b/src/engine/MidiAction.cpp
new file mode 100644
index 0000000..9d30151
--- /dev/null
+++ b/src/engine/MidiAction.cpp
@@ -0,0 +1,101 @@
+/* This file is part of Machina.
+ * Copyright (C) 2007 Dave Robillard <http://drobilla.net>
+ * 
+ * Machina is free software; you can redistribute it and/or modify it under the
+ * terms of the GNU General Public License as published by the Free Software
+ * Foundation; either version 2 of the License, or (at your option) any later
+ * version.
+ * 
+ * Machina 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 General Public License for details.
+ * 
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+#include <iostream>
+#include <raul/SharedPtr.h>
+#include "machina/MidiAction.hpp"
+#include "machina/MidiDriver.hpp"
+
+namespace Machina {
+
+
+/** Create a MIDI action.
+ *
+ * Creating a NULL MIDIAction is okay, pass event=NULL and
+ * the action will simply do nothing until a set_event (for MIDI learning).
+ *
+ * Memory management of @event is the caller's responsibility
+ * (ownership is not taken).
+ */
+MidiAction::MidiAction(WeakPtr<MidiDriver>  driver,
+                       size_t               size,
+                       const byte*          event)
+	: _driver(driver)
+	, _size(0)
+	, _max_size(size)
+{
+	_event = new byte[_max_size];
+	set_event(size, event);
+}
+
+
+MidiAction::~MidiAction()
+{
+	if (_event.get())
+		delete _event.get();
+}
+
+
+/** Set the MIDI event to be emitted when the action executes.
+ *
+ * Returns pointer to old event (caller's responsibility to free if non-NULL).
+ * Safe to call concurrently with execute.
+ *
+ * Returns true on success.
+ */
+bool
+MidiAction::set_event(size_t size, const byte* new_event)
+{
+	byte* const event = _event.get();
+	if (size <= _max_size) {
+		_event = NULL;
+		if (size > 0)
+			memcpy(event, new_event, size);
+		_size = size;
+		_event = event;
+		return true;
+	} else {
+		return false;
+	}
+}
+
+
+/** Execute the action.
+ *
+ * Safe to call concurrently with set_event.
+ */
+void
+MidiAction::execute(Timestamp time)
+{
+	const byte* const event = _event.get();
+
+	using namespace std;
+	
+	if (event) {
+		cerr << "MIDI FIRING";
+		SharedPtr<MidiDriver> driver = _driver.lock();
+		if (driver)
+			driver->write_event(time, _size, event);
+	} else {
+		cerr << "NULL MIDI ACTION";
+	}
+}
+
+
+} // namespace Machina
+
+