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-rw-r--r--src/server/events/CreatePatch.cpp164
1 files changed, 164 insertions, 0 deletions
diff --git a/src/server/events/CreatePatch.cpp b/src/server/events/CreatePatch.cpp
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+++ b/src/server/events/CreatePatch.cpp
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+/* 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
+