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Diffstat (limited to 'src/engine/events/RequestMetadataEvent.cpp')
-rw-r--r-- | src/engine/events/RequestMetadataEvent.cpp | 85 |
1 files changed, 85 insertions, 0 deletions
diff --git a/src/engine/events/RequestMetadataEvent.cpp b/src/engine/events/RequestMetadataEvent.cpp new file mode 100644 index 00000000..733a6a82 --- /dev/null +++ b/src/engine/events/RequestMetadataEvent.cpp @@ -0,0 +1,85 @@ +/* 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 "RequestMetadataEvent.hpp" +#include <string> +#include "Responder.hpp" +#include "Engine.hpp" +#include "GraphObjectImpl.hpp" +#include "EngineStore.hpp" +#include "interface/ClientInterface.hpp" +#include "ClientBroadcaster.hpp" +using std::string; + +namespace Ingen { + + +RequestMetadataEvent::RequestMetadataEvent(Engine& engine, + SharedPtr<Responder> responder, + SampleCount timestamp, + bool property, + const string& node_path, + const string& key) + : QueuedEvent(engine, responder, timestamp) + , _path(node_path) + , _property(property) + , _key(key) + , _object(NULL) +{ +} + + +void +RequestMetadataEvent::pre_process() +{ + if (_responder->client()) { + _object = _engine.engine_store()->find_object(_path); + if (_object == NULL) { + QueuedEvent::pre_process(); + return; + } + } + + if (_property) + _value = _object->get_property(_key); + else + _value = _object->get_variable(_key); + + QueuedEvent::pre_process(); +} + + +void +RequestMetadataEvent::post_process() +{ + if (_responder->client()) { + if (!_object) { + string msg = "Unable to find variable subject "; + msg += _path; + _responder->respond_error(msg); + } else { + _responder->respond_ok(); + _responder->client()->set_variable(_path, _key, _value); + } + } else { + _responder->respond_error("Unknown client"); + } +} + + +} // namespace Ingen + |