/* This file is part of Ingen. * Copyright (C) 2007-2009 Dave Robillard * * 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 "CreateNodeEvent.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, 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->variables().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