2 Copyright (C) 2000-2007 Paul Davis
4 This program is free software; you can redistribute it and/or modify
5 it under the terms of the GNU General Public License as published by
6 the Free Software Foundation; either version 2 of the License, or
7 (at your option) any later version.
9 This program is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 GNU General Public License for more details.
14 You should have received a copy of the GNU General Public License
15 along with this program; if not, write to the Free Software
16 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
20 #ifndef ardour_control_protocol_manager_h
21 #define ardour_control_protocol_manager_h
26 #include <sigc++/sigc++.h>
28 #include <glibmm/thread.h>
30 #include "pbd/stateful.h"
34 class ControlProtocol;
35 class ControlProtocolDescriptor;
38 struct ControlProtocolInfo {
39 ControlProtocolDescriptor* descriptor;
40 ControlProtocol* protocol;
45 bool supports_feedback;
48 ControlProtocolInfo() : descriptor (0), protocol (0), state (0) {}
49 ~ControlProtocolInfo() { if (state) { delete state; } }
52 class ControlProtocolManager : public sigc::trackable, public PBD::Stateful
55 ~ControlProtocolManager ();
57 static ControlProtocolManager& instance();
59 void set_session (Session&);
60 void discover_control_protocols ();
61 void foreach_known_protocol (sigc::slot<void,const ControlProtocolInfo*>);
62 void load_mandatory_protocols ();
64 ControlProtocol* instantiate (ControlProtocolInfo&);
65 int teardown (ControlProtocolInfo&);
67 std::list<ControlProtocolInfo*> control_protocol_info;
69 static const std::string state_node_name;
71 void set_protocol_states (const XMLNode&);
73 int set_state (const XMLNode&, int version);
74 XMLNode& get_state (void);
77 ControlProtocolManager ();
78 static ControlProtocolManager* _instance;
81 Glib::Mutex protocols_lock;
82 std::list<ControlProtocol*> control_protocols;
86 int control_protocol_discover (std::string path);
87 ControlProtocolDescriptor* get_descriptor (std::string path);
88 ControlProtocolInfo* cpi_by_name (std::string);
93 #endif // ardour_control_protocol_manager_h