Merge NoteOnEvent and NoteOffEvent.

Consistent naming for object creation events.


git-svn-id: http://svn.drobilla.net/lad/ingen@792 a436a847-0d15-0410-975c-d299462d15a1

1 files changed, 175 insertions, 0 deletions

diff --git a/src/libs/engine/events/CreatePortEvent.cpp b/src/libs/engine/events/CreatePortEvent.cpp
new file mode 100644
index 00000000..b8bc75e6
--- /dev/null
+++ b/src/libs/engine/events/CreatePortEvent.cpp
@@ -0,0 +1,175 @@
+/* This file is part of Ingen.
+ * Copyright (C) 2007 Dave Robillard <http://drobilla.net>
+ * 
+ * Ingen 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.
+ * 
+ * Ingen 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 <raul/Path.hpp>
+#include <raul/Array.hpp>
+#include <raul/List.hpp>
+#include <raul/Maid.hpp>
+#include "Responder.hpp"
+#include "CreatePortEvent.hpp"
+#include "Patch.hpp"
+#include "Tree.hpp"
+#include "Plugin.hpp"
+#include "Engine.hpp"
+#include "Patch.hpp"
+#include "QueuedEventSource.hpp"
+#include "ObjectStore.hpp"
+#include "ClientBroadcaster.hpp"
+#include "Port.hpp"
+#include "AudioDriver.hpp"
+#include "MidiDriver.hpp"
+#include "OSCDriver.hpp"
+#include "DuplexPort.hpp"
+
+namespace Ingen {
+
+
+CreatePortEvent::CreatePortEvent(Engine&              engine,
+                           SharedPtr<Responder> responder,
+                           SampleCount          timestamp,
+                           const string&        path,
+                           const string&        type,
+                           bool                 is_output,
+                           QueuedEventSource*   source)
+: QueuedEvent(engine, responder, timestamp, true, source),
+  _path(path),
+  _type(type),
+  _is_output(is_output),
+  _data_type(DataType::UNKNOWN),
+  _patch(NULL),
+  _patch_port(NULL),
+  _driver_port(NULL)
+{
+	/* This is blocking because of the two different sets of Patch ports, the array used in the
+	 * audio thread (inherited from NodeBase), and the arrays used in the pre processor thread.
+	 * If two add port events arrive in the same cycle and the second pre processes before the
+	 * first executes, bad things happen (ports are lost).
+	 *
+	 * FIXME: fix this using RCU
+	 */
+
+	string type_str;
+	if (type == "ingen:control" || type == "ingen:audio")
+		_data_type = DataType::FLOAT;
+	else if (type == "ingen:midi")
+		_data_type = DataType::MIDI;
+	else if (type == "ingen:osc")
+		_data_type = DataType::OSC;
+}
+
+
+void
+CreatePortEvent::pre_process()
+{
+	if (_engine.object_store()->find_object(_path) != NULL) {
+		QueuedEvent::pre_process();
+		return;
+	}
+
+	// FIXME: this is just a mess :/
+	
+	_patch = _engine.object_store()->find_patch(_path.parent());
+
+	if (_patch != NULL) {
+		assert(_patch->path() == _path.parent());
+		
+		size_t buffer_size = 1;
+		if (_type != "ingen:control")
+			buffer_size = _engine.audio_driver()->buffer_size();
+	
+		const uint32_t old_num_ports = _patch->num_ports();
+
+		_patch_port = _patch->create_port(_path.name(), _data_type, buffer_size, _is_output);
+		
+		if (_patch_port) {
+
+			if (_is_output)
+				_patch->add_output(new Raul::ListNode<Port*>(_patch_port));
+			else
+				_patch->add_input(new Raul::ListNode<Port*>(_patch_port));
+			
+			if (_patch->external_ports())
+				_ports_array = new Raul::Array<Port*>(old_num_ports + 1, *_patch->external_ports());
+			else
+				_ports_array = new Raul::Array<Port*>(old_num_ports + 1, NULL);
+
+
+			_ports_array->at(_patch->num_ports()-1) = _patch_port;
+			//_patch_port->add_to_store(_engine.object_store());
+			_engine.object_store()->add(_patch_port);
+
+			if (!_patch->parent()) {
+				if (_type == "ingen:audio")
+					_driver_port = _engine.audio_driver()->create_port(
+							dynamic_cast<DuplexPort*>(_patch_port));
+				else if (_type == "ingen:midi")
+					_driver_port = _engine.midi_driver()->create_port(
+							dynamic_cast<DuplexPort*>(_patch_port));
+				else if (_type == "ingen:osc" && _engine.osc_driver())
+					_driver_port = _engine.osc_driver()->create_port(
+							dynamic_cast<DuplexPort*>(_patch_port));
+			}
+
+			assert(_ports_array->size() == _patch->num_ports());
+
+		}
+	}
+	QueuedEvent::pre_process();
+}
+
+
+void
+CreatePortEvent::execute(ProcessContext& context)
+{
+	QueuedEvent::execute(context);
+
+	if (_patch_port) {
+
+		_engine.maid()->push(_patch->external_ports());
+		//_patch->add_port(_port);
+
+		_patch->external_ports(_ports_array);
+	}
+
+	if (_driver_port)
+		if (_type == "ingen:audio")
+			_engine.audio_driver()->add_port(_driver_port);
+		else if (_type == "ingen:midi")
+			_engine.midi_driver()->add_port(_driver_port);
+		else if (_type == "ingen:osc")
+			cerr << "OSC DRIVER PORT" << endl;
+	
+	if (_source)
+		_source->unblock();
+}
+
+
+void
+CreatePortEvent::post_process()
+{
+	if (!_patch_port) {
+		const string msg = string("Could not create port - ").append(_path);
+		_responder->respond_error(msg);
+	} else {
+		_responder->respond_ok();
+		_engine.broadcaster()->send_port(_patch_port);
+	}
+}
+
+
+} // namespace Ingen
+