Flatten ingen source directory heirarchy a bit.

git-svn-id: http://svn.drobilla.net/lad/trunk/ingen@1551 a436a847-0d15-0410-975c-d299462d15a1

1 files changed, 133 insertions, 0 deletions

diff --git a/src/engine/events/ClearPatchEvent.cpp b/src/engine/events/ClearPatchEvent.cpp
new file mode 100644
index 00000000..c1fb0749
--- /dev/null
+++ b/src/engine/events/ClearPatchEvent.cpp
@@ -0,0 +1,133 @@
+/* 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/Maid.hpp>
+#include "ClearPatchEvent.hpp"
+#include "Responder.hpp"
+#include "Engine.hpp"
+#include "PatchImpl.hpp"
+#include "ClientBroadcaster.hpp"
+#include "util.hpp"
+#include "EngineStore.hpp"
+#include "PortImpl.hpp"
+#include "NodeImpl.hpp"
+#include "ConnectionImpl.hpp"
+#include "QueuedEventSource.hpp"
+#include "AudioDriver.hpp"
+#include "MidiDriver.hpp"
+
+namespace Ingen {
+
+
+ClearPatchEvent::ClearPatchEvent(Engine& engine, SharedPtr<Responder> responder, FrameTime time, QueuedEventSource* source, const string& patch_path)
+	: QueuedEvent(engine, responder, time, true, source)
+	, _patch_path(patch_path)
+	, _driver_port(NULL)
+	, _process(false)
+	, _ports_array(NULL)
+	, _compiled_patch(NULL)
+{
+}
+
+
+void
+ClearPatchEvent::pre_process()
+{
+	EngineStore::Objects::iterator patch_iterator = _engine.engine_store()->find(_patch_path);
+	
+	if (patch_iterator != _engine.engine_store()->end()) {
+		_patch = PtrCast<PatchImpl>(patch_iterator->second);
+		if (_patch) {
+			_process = _patch->enabled();
+			_removed_table = _engine.engine_store()->remove_children(patch_iterator);
+			_patch->nodes().clear();
+			_patch->connections().clear();
+			_ports_array = _patch->build_ports_array();
+			if (_patch->enabled())
+				_compiled_patch = _patch->compile();
+		}
+	}
+
+	QueuedEvent::pre_process();
+}
+
+
+void
+ClearPatchEvent::execute(ProcessContext& context)
+{
+	QueuedEvent::execute(context);
+
+	if (_patch && _removed_table) {
+		_patch->disable();
+		
+		if (_patch->compiled_patch() != NULL) {
+			_engine.maid()->push(_patch->compiled_patch());
+			_patch->compiled_patch(NULL);
+		}
+		
+		_patch->clear_ports();
+		_patch->connections().clear();
+		_patch->compiled_patch(_compiled_patch);
+		Raul::Array<PortImpl*>* old_ports = _patch->external_ports();
+		_patch->external_ports(_ports_array);
+		_ports_array = old_ports;
+
+		// Remove driver ports, if necessary
+		if (_patch->parent() == NULL) {
+			for (EngineStore::Objects::iterator i = _removed_table->begin(); i != _removed_table->end(); ++i) {
+				SharedPtr<PortImpl> port = PtrCast<PortImpl>(i->second);
+				if (port && port->type() == DataType::AUDIO)
+					_driver_port = _engine.audio_driver()->remove_port(port->path());
+				else if (port && port->type() == DataType::EVENT)
+					_driver_port = _engine.midi_driver()->remove_port(port->path());
+			}
+		}
+	}
+}
+
+
+void
+ClearPatchEvent::post_process()
+{	
+	if (_patch != NULL) {
+		delete _ports_array;
+		delete _driver_port;
+		
+		// Restore patch's run state
+		if (_process)
+			_patch->enable();
+		else
+			_patch->disable();
+
+		// Make sure everything's sane
+		assert(_patch->nodes().size() == 0);
+		assert(_patch->num_ports() == 0);
+		assert(_patch->connections().size() == 0);
+	
+		// Reply
+		_responder->respond_ok();
+		_engine.broadcaster()->send_patch_cleared(_patch_path);
+	} else {
+		_responder->respond_error(string("Patch ") + _patch_path + " not found");
+	}
+	
+	_source->unblock(); // FIXME: can be done earlier in execute?
+}
+
+
+} // namespace Ingen
+