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Diffstat (limited to 'src/engine/events/SetMetadata.cpp')
| -rw-r--r-- | src/engine/events/SetMetadata.cpp | 242 |
1 files changed, 242 insertions, 0 deletions
diff --git a/src/engine/events/SetMetadata.cpp b/src/engine/events/SetMetadata.cpp new file mode 100644 index 00000000..f722d3b2 --- /dev/null +++ b/src/engine/events/SetMetadata.cpp @@ -0,0 +1,242 @@ +/* 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 <string> +#include <boost/format.hpp> +#include "interface/DataType.hpp" +#include "ClientBroadcaster.hpp" +#include "CreateNode.hpp" +#include "CreatePatch.hpp" +#include "CreatePort.hpp" +#include "Engine.hpp" +#include "EngineStore.hpp" +#include "GraphObjectImpl.hpp" +#include "PatchImpl.hpp" +#include "PluginImpl.hpp" +#include "PortImpl.hpp" +#include "QueuedEventSource.hpp" +#include "Responder.hpp" +#include "SetMetadata.hpp" + +using namespace std; +using namespace Raul; + +namespace Ingen { + +using namespace Shared; +typedef Shared::Resource::Properties Properties; + + +SetMetadataEvent::SetMetadataEvent( + Engine& engine, + SharedPtr<Responder> responder, + SampleCount timestamp, + QueuedEventSource* source, + bool meta, + const URI& subject, + const Properties& properties) + : QueuedEvent(engine, responder, timestamp, false, source) + , _error(NO_ERROR) + , _create_event(NULL) + , _subject(subject) + , _properties(properties) + , _object(NULL) + , _patch(NULL) + , _compiled_patch(NULL) + , _is_meta(meta) + , _success(false) +{ +} + + +void +SetMetadataEvent::pre_process() +{ + typedef Properties::const_iterator iterator; + + bool is_graph_object = (_subject.scheme() == Path::scheme && Path::is_valid(_subject.str())); + + _object = is_graph_object + ? _engine.engine_store()->find_object(Path(_subject.str())) + : _object = _engine.node_factory()->plugin(_subject); + + if (!_object && !is_graph_object) { + _error = NOT_FOUND; + QueuedEvent::pre_process(); + return; + } + + if (is_graph_object && !_object) { + Path path(_subject.str()); + bool is_patch = false, is_node = false, is_port = false, is_output = false; + DataType data_type(DataType::UNKNOWN); + ResourceImpl::type(_properties, is_patch, is_node, is_port, is_output, data_type); + if (is_patch) { + uint32_t poly = 1; + iterator p = _properties.find("ingen:polyphony"); + if (p != _properties.end() && p->second.is_valid() && p->second.type() == Atom::INT) + poly = p->second.get_int32(); + _create_event = new CreatePatchEvent(_engine, _responder, _time, + path, poly, _properties); + } else if (is_node) { + const iterator p = _properties.find("rdf:instanceOf"); + _create_event = new CreateNodeEvent(_engine, _responder, _time, + path, p->second.get_uri(), true, _properties); + } else if (is_port) { + _blocking = true; + _create_event = new CreatePortEvent(_engine, _responder, _time, + path, data_type.uri(), is_output, _source, _properties); + } + if (_create_event) + _create_event->pre_process(); + else + _error = BAD_TYPE; + QueuedEvent::pre_process(); + return; + } + + _types.reserve(_properties.size()); + + for (Properties::iterator p = _properties.begin(); p != _properties.end(); ++p) { + const Raul::URI& key = p->first; + const Raul::Atom& value = p->second; + GraphObjectImpl* obj = dynamic_cast<GraphObjectImpl*>(_object); + SpecialType op = NONE; + if (obj) { + if (_is_meta) + obj->meta().set_property(key, value); + else + obj->set_property(key, value); + + _patch = dynamic_cast<PatchImpl*>(_object); + + if (key.str() == "ingen:broadcast") { + op = ENABLE_BROADCAST; + } else if (_patch) { + if (key.str() == "ingen:enabled") { + if (value.type() == Atom::BOOL) { + op = ENABLE; + if (value.get_bool() && !_patch->compiled_patch()) + _compiled_patch = _patch->compile(); + } else { + _error = BAD_TYPE; + } + } else if (key.str() == "ingen:polyphonic") { + if (value.type() == Atom::BOOL) { + op = POLYPHONIC; + } else { + _error = BAD_TYPE; + } + } else if (key.str() == "ingen:polyphony") { + if (value.type() == Atom::INT) { + op = POLYPHONY; + _patch->prepare_internal_poly(value.get_int32()); + } else { + _error = BAD_TYPE; + } + } + } + } + + if (_error != NO_ERROR) + break; + + _types.push_back(op); + } + + QueuedEvent::pre_process(); +} + + +void +SetMetadataEvent::execute(ProcessContext& context) +{ + if (_error != NO_ERROR) { + QueuedEvent::execute(context); + return; + } + + if (_create_event) { + QueuedEvent::execute(context); + _create_event->execute(context); + if (_blocking) + _source->unblock(); + return; + } + + std::vector<SpecialType>::const_iterator t = _types.begin(); + for (Properties::iterator p = _properties.begin(); p != _properties.end(); ++p, ++t) { + const Raul::Atom& value = p->second; + PortImpl* port = 0; + GraphObjectImpl* object = 0; + switch (*t) { + case ENABLE_BROADCAST: + if ((port = dynamic_cast<PortImpl*>(_object))) + port->broadcast(value.get_bool()); + break; + case ENABLE: + if (value.get_bool()) { + if (!_patch->compiled_patch()) + _patch->compiled_patch(_compiled_patch); + _patch->enable(); + } else { + _patch->disable(); + } + break; + case POLYPHONIC: + if ((object = dynamic_cast<GraphObjectImpl*>(_object))) + if (!object->set_polyphonic(*_engine.maid(), value.get_bool())) + _error = INTERNAL; + break; + case POLYPHONY: + if (!_patch->apply_internal_poly(*_engine.maid(), value.get_int32())) + _error = INTERNAL; + break; + default: + _success = true; + } + } + + QueuedEvent::execute(context); +} + + +void +SetMetadataEvent::post_process() +{ + switch (_error) { + case NO_ERROR: + _responder->respond_ok(); + _engine.broadcaster()->send_put(_subject, _properties); + if (_create_event) + _create_event->post_process(); + break; + case NOT_FOUND: + _responder->respond_error((boost::format( + "Unable to find object '%1%'") % _subject).str()); + case INTERNAL: + _responder->respond_error("Internal error"); + break; + case BAD_TYPE: + _responder->respond_error("Bad type"); + break; + } +} + + +} // namespace Ingen + |