From 93850c202de8b073a1ce1dd8bd246d407bce4e2f Mon Sep 17 00:00:00 2001
From: David Robillard <d@drobilla.net>
Date: Tue, 30 Sep 2008 16:50:21 +0000
Subject: Flatten ingen source directory heirarchy a bit.

git-svn-id: http://svn.drobilla.net/lad/trunk/ingen@1551 a436a847-0d15-0410-975c-d299462d15a1
---
 src/engine/Event.hpp | 75 ++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 75 insertions(+)
 create mode 100644 src/engine/Event.hpp

(limited to 'src/engine/Event.hpp')

diff --git a/src/engine/Event.hpp b/src/engine/Event.hpp
new file mode 100644
index 00000000..5860da2a
--- /dev/null
+++ b/src/engine/Event.hpp
@@ -0,0 +1,75 @@
+/* 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
+ */
+
+#ifndef EVENT_H
+#define EVENT_H
+
+#include <cassert>
+#include <raul/SharedPtr.hpp>
+#include <raul/Deletable.hpp>
+#include "types.hpp"
+
+namespace Ingen {	
+
+class Engine;
+class Responder;
+class ProcessContext;
+
+
+/** Base class for all events (both realtime and QueuedEvent).
+ *
+ * This is for time-critical events like note ons.  There is no non-realtime
+ * pre-execute method as in QueuedEvent's, any lookups etc need to be done in the
+ * realtime execute() method.
+ *
+ * QueuedEvent extends this class with a pre_process() method for any work that needs
+ * to be done before processing in the realtime audio thread.
+ *
+ * \ingroup engine
+ */
+class Event : public Raul::Deletable
+{
+public:
+	virtual ~Event() {}
+
+	/** Execute this event in the audio thread (MUST be realtime safe). */
+	virtual void execute(ProcessContext& context);
+	
+	/** Perform any actions after execution (ie send replies to commands)
+	 * (no realtime requirements). */
+	virtual void post_process();
+	
+	inline SampleCount time() const { return _time; }
+		
+protected:
+	Event(Engine& engine, SharedPtr<Responder> responder, FrameTime time)
+	: _engine(engine)
+	, _responder(responder)
+	, _time(time)
+	, _executed(false)
+	{}
+	
+	Engine&              _engine;
+	SharedPtr<Responder> _responder;
+	FrameTime            _time;
+	bool                 _executed;
+};
+
+
+} // namespace Ingen
+
+#endif // EVENT_H
-- 
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