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Diffstat (limited to 'src/server/events/CreatePatch.cpp')
| -rw-r--r-- | src/server/events/CreatePatch.cpp | 164 |
1 files changed, 164 insertions, 0 deletions
diff --git a/src/server/events/CreatePatch.cpp b/src/server/events/CreatePatch.cpp new file mode 100644 index 00000000..a5c75adf --- /dev/null +++ b/src/server/events/CreatePatch.cpp @@ -0,0 +1,164 @@ +/* This file is part of Ingen. + * Copyright 2007-2011 David 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 "shared/LV2URIMap.hpp" +#include "events/CreatePatch.hpp" +#include "Request.hpp" +#include "PatchImpl.hpp" +#include "NodeImpl.hpp" +#include "PluginImpl.hpp" +#include "Engine.hpp" +#include "ClientBroadcaster.hpp" +#include "Driver.hpp" +#include "EngineStore.hpp" + +using namespace std; +using namespace Raul; + +namespace Ingen { +namespace Server { +namespace Events { + +CreatePatch::CreatePatch( + Engine& engine, + SharedPtr<Request> request, + SampleCount timestamp, + const Raul::Path& path, + int poly, + const Resource::Properties& properties) + : QueuedEvent(engine, request, timestamp) + , _path(path) + , _patch(NULL) + , _parent(NULL) + , _compiled_patch(NULL) + , _poly(poly) + , _properties(properties) +{ +} + +void +CreatePatch::pre_process() +{ + if (_path.is_root() || _engine.engine_store()->find_object(_path) != NULL) { + _error = OBJECT_EXISTS; + QueuedEvent::pre_process(); + return; + } + + if (_poly < 1) { + _error = INVALID_POLY; + QueuedEvent::pre_process(); + return; + } + + const Path& path = (const Path&)_path; + + _parent = _engine.engine_store()->find_patch(path.parent()); + if (_parent == NULL) { + _error = PARENT_NOT_FOUND; + QueuedEvent::pre_process(); + return; + } + + uint32_t poly = 1; + if (_parent != NULL && _poly > 1 && _poly == static_cast<int>(_parent->internal_poly())) + poly = _poly; + + const Ingen::Shared::LV2URIMap& uris = *_engine.world()->uris().get(); + + _patch = new PatchImpl(_engine, path.symbol(), poly, _parent, + _engine.driver()->sample_rate(), _poly); + _patch->properties().insert(_properties.begin(), _properties.end()); + _patch->add_property(uris.rdf_type, uris.ingen_Patch); + _patch->add_property(uris.rdf_type, + Resource::Property(uris.ingen_Node, Resource::EXTERNAL)); + + if (_parent != NULL) { + _parent->add_node(new PatchImpl::Nodes::Node(_patch)); + + if (_parent->enabled()) + _compiled_patch = _parent->compile(); + } + + _patch->activate(*_engine.buffer_factory()); + + // Insert into EngineStore + //_patch->add_to_store(_engine.engine_store()); + _engine.engine_store()->add(_patch); + + QueuedEvent::pre_process(); +} + +void +CreatePatch::execute(ProcessContext& context) +{ + QueuedEvent::execute(context); + + if (_patch) { + if (!_parent) { + assert(_path.is_root()); + assert(_patch->parent_patch() == NULL); + _engine.driver()->set_root_patch(_patch); + } else { + assert(_parent); + assert(!_path.is_root()); + _engine.maid()->push(_parent->compiled_patch()); + _parent->compiled_patch(_compiled_patch); + } + } +} + +void +CreatePatch::post_process() +{ + string msg; + if (_request) { + switch (_error) { + case NO_ERROR: + _request->respond_ok(); + // Don't send ports/nodes that have been added since prepare() + // (otherwise they would be sent twice) + _engine.broadcaster()->send_object(_patch, false); + break; + case OBJECT_EXISTS: + _request->respond_ok(); + /*string msg = "Unable to create patch: "; + msg.append(_path).append(" already exists."); + _request->respond_error(msg);*/ + break; + case PARENT_NOT_FOUND: + msg = "Unable to create patch: Parent "; + msg.append(Path(_path).parent().str()).append(" not found."); + _request->respond_error(msg); + break; + case INVALID_POLY: + msg = "Unable to create patch "; + msg.append(_path.str()).append(": ").append("Invalid polyphony requested."); + _request->respond_error(msg); + break; + default: + _request->respond_error("Unable to load patch."); + } + } +} + +} // namespace Server +} // namespace Ingen +} // namespace Events + |