summaryrefslogtreecommitdiffstats
path: root/src/engine/events/CreateNode.cpp
diff options
context:
space:
mode:
Diffstat (limited to 'src/engine/events/CreateNode.cpp')
-rw-r--r--src/engine/events/CreateNode.cpp148
1 files changed, 148 insertions, 0 deletions
diff --git a/src/engine/events/CreateNode.cpp b/src/engine/events/CreateNode.cpp
new file mode 100644
index 00000000..28b50258
--- /dev/null
+++ b/src/engine/events/CreateNode.cpp
@@ -0,0 +1,148 @@
+/* This file is part of Ingen.
+ * Copyright (C) 2007-2009 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 "raul/Path.hpp"
+#include "raul/Path.hpp"
+#include "redlandmm/World.hpp"
+#include "module/World.hpp"
+#include "CreateNode.hpp"
+#include "Responder.hpp"
+#include "PatchImpl.hpp"
+#include "NodeImpl.hpp"
+#include "PluginImpl.hpp"
+#include "Engine.hpp"
+#include "PatchImpl.hpp"
+#include "NodeFactory.hpp"
+#include "ClientBroadcaster.hpp"
+#include "EngineStore.hpp"
+#include "PortImpl.hpp"
+#include "AudioDriver.hpp"
+
+using namespace std;
+using namespace Raul;
+
+namespace Ingen {
+
+using namespace Shared;
+
+CreateNodeEvent::CreateNodeEvent(
+ Engine& engine,
+ SharedPtr<Responder> responder,
+ SampleCount timestamp,
+ const Path& path,
+ const URI& plugin_uri,
+ bool polyphonic,
+ const Resource::Properties& properties)
+ : QueuedEvent(engine, responder, timestamp)
+ , _path(path)
+ , _plugin_uri(plugin_uri)
+ , _polyphonic(polyphonic)
+ , _patch(NULL)
+ , _node(NULL)
+ , _compiled_patch(NULL)
+ , _node_already_exists(false)
+ , _properties(properties)
+{
+ string uri = _plugin_uri.str();
+ if (uri.substr(0, 3) == "om:") {
+ size_t colon = 2;
+ uri = uri.substr(colon + 1);
+ if ((colon = uri.find(":")) == string::npos)
+ return;
+ _plugin_type = uri.substr(0, colon + 1);
+ _plugin_label = uri.substr(colon + 1);
+ uri = "";
+ }
+}
+
+
+void
+CreateNodeEvent::pre_process()
+{
+ if (_engine.engine_store()->find_object(_path) != NULL) {
+ _node_already_exists = true;
+ QueuedEvent::pre_process();
+ return;
+ }
+
+ _patch = _engine.engine_store()->find_patch(_path.parent());
+
+ PluginImpl* const plugin = (_plugin_label == "")
+ ? _engine.node_factory()->plugin(_plugin_uri.str())
+ : _engine.node_factory()->plugin(_plugin_type, _plugin_lib, _plugin_label);
+
+ if (_patch && plugin) {
+
+ _node = plugin->instantiate(_path.name(), _polyphonic, _patch, _engine);
+ _node->properties().insert(_properties.begin(), _properties.end());
+
+ if (_node != NULL) {
+ _node->activate();
+
+ // This can be done here because the audio thread doesn't touch the
+ // node tree - just the process order array
+ _patch->add_node(new PatchImpl::Nodes::Node(_node));
+ //_node->add_to_store(_engine.engine_store());
+ _engine.engine_store()->add(_node);
+
+ // FIXME: not really necessary to build process order since it's not connected,
+ // just append to the list
+ if (_patch->enabled())
+ _compiled_patch = _patch->compile();
+ }
+ }
+ QueuedEvent::pre_process();
+}
+
+
+void
+CreateNodeEvent::execute(ProcessContext& context)
+{
+ QueuedEvent::execute(context);
+
+ if (_node != NULL) {
+ if (_patch->compiled_patch() != NULL)
+ _engine.maid()->push(_patch->compiled_patch());
+ _patch->compiled_patch(_compiled_patch);
+ }
+}
+
+
+void
+CreateNodeEvent::post_process()
+{
+ string msg;
+ if (_node_already_exists) {
+ msg = string("Could not create node - ").append(_path.str());// + " already exists.";
+ _responder->respond_error(msg);
+ } else if (_patch == NULL) {
+ msg = "Could not find patch '" + _path.parent().str() +"' to add node.";
+ _responder->respond_error(msg);
+ } else if (_node == NULL) {
+ msg = "Unable to load node ";
+ msg += _path.str() + " (you're missing the plugin " + _plugin_uri.str() + ")";
+ _responder->respond_error(msg);
+ } else {
+ _responder->respond_ok();
+ _engine.broadcaster()->send_object(_node, true); // yes, send ports
+ }
+}
+
+
+} // namespace Ingen
+