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authorDavid Robillard <d@drobilla.net>2006-06-10 01:52:02 +0000
committerDavid Robillard <d@drobilla.net>2006-06-10 01:52:02 +0000
commit98fe0e7056e6697396249531785d3899f94d79be (patch)
tree233319008d4bfb6c8bdc546bdf4a81b87ecf7f3a /src/libs/engine/events/ConnectionEvent.h
parent6c8eaee73b0ea66216744f49b452e22e26fe83e1 (diff)
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More juggling
git-svn-id: http://svn.drobilla.net/lad/grauph@15 a436a847-0d15-0410-975c-d299462d15a1
Diffstat (limited to 'src/libs/engine/events/ConnectionEvent.h')
-rw-r--r--src/libs/engine/events/ConnectionEvent.h107
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diff --git a/src/libs/engine/events/ConnectionEvent.h b/src/libs/engine/events/ConnectionEvent.h
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+/* This file is part of Om. Copyright (C) 2006 Dave Robillard.
+ *
+ * Om 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.
+ *
+ * Om 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.,
+ * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ */
+
+#ifndef CONNECTIONEVENT_H
+#define CONNECTIONEVENT_H
+
+#include <string>
+#include "QueuedEvent.h"
+#include "util/Path.h"
+#include "util/types.h"
+using std::string;
+
+template <typename T> class ListNode;
+template <typename T> class Array;
+
+namespace Om {
+
+class Patch;
+class Node;
+class Connection;
+class MidiMessage;
+class Port;
+template <typename T> class ConnectionBase;
+template <typename T> class InputPort;
+template <typename T> class OutputPort;
+template <typename T> class TypedConnectionEvent; // helper, defined below
+
+
+/** Make a Connection between two Ports.
+ *
+ * \ingroup engine
+ */
+class ConnectionEvent : public QueuedEvent
+{
+public:
+ ConnectionEvent(CountedPtr<Responder> responder, const string& src_port_path, const string& dst_port_path);
+ ~ConnectionEvent();
+
+ void pre_process();
+ void execute(samplecount offset);
+ void post_process();
+
+private:
+
+ enum ErrorType { NO_ERROR, PARENT_PATCH_DIFFERENT, PORT_NOT_FOUND, TYPE_MISMATCH };
+
+ Path m_src_port_path;
+ Path m_dst_port_path;
+
+ Patch* m_patch;
+ Port* m_src_port;
+ Port* m_dst_port;
+
+ QueuedEvent* m_typed_event;
+
+ ErrorType m_error;
+};
+
+
+/** Templated ConnectionEvent.
+ *
+ * Intended to be called from ConnectionEvent so callers (ie OSCReceiver)
+ * can use ConnectionEvent without knowing anything about types (which
+ * they can't, since all they have is Port paths).
+ */
+template <typename T>
+class TypedConnectionEvent : public QueuedEvent
+{
+public:
+ TypedConnectionEvent(CountedPtr<Responder> responder, OutputPort<T>* src_port, InputPort<T>* dst_port);
+ ~TypedConnectionEvent();
+
+ void pre_process();
+ void execute(samplecount offset);
+ void post_process();
+
+private:
+ OutputPort<T>* m_src_port;
+ InputPort<T>* m_dst_port;
+
+ Patch* m_patch;
+ Array<Node*>* m_process_order; ///< New process order for Patch
+ ConnectionBase<T>* m_connection;
+ ListNode<Connection*>* m_patch_listnode;
+ ListNode<ConnectionBase<T>*>* m_port_listnode;
+
+ bool m_succeeded;
+};
+
+
+
+} // namespace Om
+
+#endif // CONNECTIONEVENT_H