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Diffstat (limited to 'src/engine/events/CreateNode.cpp')
| -rw-r--r-- | src/engine/events/CreateNode.cpp | 148 |
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 + |