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Diffstat (limited to 'src/engine/events/CreatePatchEvent.cpp')
| -rw-r--r-- | src/engine/events/CreatePatchEvent.cpp | 157 |
1 files changed, 157 insertions, 0 deletions
diff --git a/src/engine/events/CreatePatchEvent.cpp b/src/engine/events/CreatePatchEvent.cpp new file mode 100644 index 00000000..64fe5c63 --- /dev/null +++ b/src/engine/events/CreatePatchEvent.cpp @@ -0,0 +1,157 @@ +/* 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 <raul/Maid.hpp> +#include <raul/Path.hpp> +#include "CreatePatchEvent.hpp" +#include "Responder.hpp" +#include "PatchImpl.hpp" +#include "NodeImpl.hpp" +#include "PluginImpl.hpp" +#include "Engine.hpp" +#include "ClientBroadcaster.hpp" +#include "AudioDriver.hpp" +#include "EngineStore.hpp" + +namespace Ingen { + + +CreatePatchEvent::CreatePatchEvent(Engine& engine, SharedPtr<Responder> responder, SampleCount timestamp, const string& path, int poly) +: QueuedEvent(engine, responder, timestamp), + _path(path), + _patch(NULL), + _parent(NULL), + _compiled_patch(NULL), + _poly(poly), + _error(NO_ERROR) +{ +} + + +void +CreatePatchEvent::pre_process() +{ + if (!Path::is_valid(_path)) { + _error = INVALID_PATH; + QueuedEvent::pre_process(); + return; + } + + if (_path == "/" || _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_polyphony())) + poly = _poly; + + _patch = new PatchImpl(_engine, path.name(), poly, _parent, _engine.audio_driver()->sample_rate(), _engine.audio_driver()->buffer_size(), _poly); + + if (_parent != NULL) { + _parent->add_node(new PatchImpl::Nodes::Node(_patch)); + + if (_parent->enabled()) + _compiled_patch = _parent->compile(); + } + + _patch->activate(); + + // Insert into EngineStore + //_patch->add_to_store(_engine.engine_store()); + _engine.engine_store()->add(_patch); + + QueuedEvent::pre_process(); +} + + +void +CreatePatchEvent::execute(ProcessContext& context) +{ + QueuedEvent::execute(context); + + if (_patch != NULL) { + if (_parent == NULL) { + assert(_path == "/"); + assert(_patch->parent_patch() == NULL); + _engine.audio_driver()->set_root_patch(_patch); + } else { + assert(_parent != NULL); + assert(_path != "/"); + + if (_parent->compiled_patch() != NULL) + _engine.maid()->push(_parent->compiled_patch()); + _parent->compiled_patch(_compiled_patch); + } + } +} + + +void +CreatePatchEvent::post_process() +{ + if (_responder.get()) { + if (_error == NO_ERROR) { + + _responder->respond_ok(); + + // Don't send ports/nodes that have been added since prepare() + // (otherwise they would be sent twice) + _engine.broadcaster()->send_patch(_patch, false); + + } else if (_error == INVALID_PATH) { + string msg = "Attempt to create patch with illegal path "; + msg.append(_path); + _responder->respond_error(msg); + } else if (_error == OBJECT_EXISTS) { + _responder->respond_ok(); + /*string msg = "Unable to create patch: "; + msg.append(_path).append(" already exists."); + _responder->respond_error(msg);*/ + } else if (_error == PARENT_NOT_FOUND) { + string msg = "Unable to create patch: Parent "; + msg.append(Path(_path).parent()).append(" not found."); + _responder->respond_error(msg); + } else if (_error == INVALID_POLY) { + string msg = "Unable to create patch "; + msg.append(_path).append(": ").append("Invalid polyphony respondered."); + _responder->respond_error(msg); + } else { + _responder->respond_error("Unable to load patch."); + } + } +} + + +} // namespace Ingen + |