summaryrefslogtreecommitdiffstats
path: root/src/engine/events/CreatePatchEvent.cpp
diff options
context:
space:
mode:
Diffstat (limited to 'src/engine/events/CreatePatchEvent.cpp')
-rw-r--r--src/engine/events/CreatePatchEvent.cpp157
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
+