From 6f93b3d7c80f9dee2d95fac1bbc4f781a6f45979 Mon Sep 17 00:00:00 2001
From: David Robillard <d@drobilla.net>
Date: Mon, 18 Sep 2006 06:24:53 +0000
Subject: Work on loading old (deprecated) patches. More error tolerance in
 Store, related bugfixes. Patch port adding (threading) bug fixed (made event
 blocking). Better PatchView cacheing. Moved generic things from engine to
 util (shared) Bug fixes, features, etc.

git-svn-id: http://svn.drobilla.net/lad/ingen@142 a436a847-0d15-0410-975c-d299462d15a1
---
 src/libs/engine/events/RequestObjectEvent.cpp | 97 +++++++++++++++++++++++++++
 1 file changed, 97 insertions(+)
 create mode 100644 src/libs/engine/events/RequestObjectEvent.cpp

(limited to 'src/libs/engine/events/RequestObjectEvent.cpp')

diff --git a/src/libs/engine/events/RequestObjectEvent.cpp b/src/libs/engine/events/RequestObjectEvent.cpp
new file mode 100644
index 00000000..3b0dc6fd
--- /dev/null
+++ b/src/libs/engine/events/RequestObjectEvent.cpp
@@ -0,0 +1,97 @@
+/* This file is part of Ingen.  Copyright (C) 2006 Dave Robillard.
+ * 
+ * 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 "RequestObjectEvent.h"
+#include <string>
+#include "Responder.h"
+#include "Engine.h"
+#include "interface/ClientInterface.h"
+#include "TypedPort.h"
+#include "ObjectStore.h"
+#include "ClientBroadcaster.h"
+#include "Patch.h"
+#include "Node.h"
+#include "ObjectSender.h"
+
+using std::string;
+
+namespace Ingen {
+
+
+RequestObjectEvent::RequestObjectEvent(Engine& engine, CountedPtr<Responder> responder, SampleCount timestamp, const string& path)
+: QueuedEvent(engine, responder, timestamp),
+  m_path(path),
+  m_object(NULL)
+{
+}
+
+
+void
+RequestObjectEvent::pre_process()
+{
+	m_client = _engine.broadcaster()->client(_responder->client_key());
+	m_object = _engine.object_store()->find(m_path);
+
+	QueuedEvent::pre_process();
+}
+
+
+void
+RequestObjectEvent::execute(SampleCount nframes, FrameTime start, FrameTime end)
+{
+	QueuedEvent::execute(nframes, start, end);
+	assert(_time >= start && _time <= end);
+}
+
+
+void
+RequestObjectEvent::post_process()
+{
+	if (!m_object) {
+		_responder->respond_error("Unable to find object requested.");
+	
+	} else if (m_client) {	
+		Patch* const patch = dynamic_cast<Patch*>(m_object);
+		if (patch) {
+			_responder->respond_ok();
+			ObjectSender::send_patch(m_client.get(), patch, true);
+			return;
+		}
+		
+		Node* const node = dynamic_cast<Node*>(m_object);
+		if (node) {
+			_responder->respond_ok();
+			ObjectSender::send_node(m_client.get(), node, true);
+			return;
+		}
+		
+		Port* const port = dynamic_cast<Port*>(m_object);
+		if (port) {
+			_responder->respond_ok();
+			ObjectSender::send_port(m_client.get(), port);
+			return;
+		}
+		
+		_responder->respond_error("Object of unknown type requested.");
+
+	} else {
+		_responder->respond_error("Unable to find client to send object.");
+	}
+}
+
+
+} // namespace Ingen
+
-- 
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