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Diffstat (limited to 'libs/ardour/ardour/control_protocol_manager.h')
-rw-r--r-- | libs/ardour/ardour/control_protocol_manager.h | 93 |
1 files changed, 93 insertions, 0 deletions
diff --git a/libs/ardour/ardour/control_protocol_manager.h b/libs/ardour/ardour/control_protocol_manager.h new file mode 100644 index 0000000000..c61513e117 --- /dev/null +++ b/libs/ardour/ardour/control_protocol_manager.h @@ -0,0 +1,93 @@ +/* + Copyright (C) 2000-2007 Paul Davis + + This program 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. + + This program 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 more 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., 675 Mass Ave, Cambridge, MA 02139, USA. + +*/ + +#ifndef ardour_control_protocol_manager_h +#define ardour_control_protocol_manager_h + +#include <string> +#include <list> + +#include <sigc++/sigc++.h> + +#include <glibmm/thread.h> + +#include <pbd/stateful.h> + +namespace ARDOUR { + +class ControlProtocol; +class ControlProtocolDescriptor; +class Session; + +struct ControlProtocolInfo { + ControlProtocolDescriptor* descriptor; + ControlProtocol* protocol; + std::string name; + std::string path; + bool requested; + bool mandatory; + bool supports_feedback; + XMLNode* state; + + ControlProtocolInfo() : descriptor (0), protocol (0), state (0) {} + ~ControlProtocolInfo() { if (state) { delete state; } } +}; + + class ControlProtocolManager : public sigc::trackable, public PBD::Stateful +{ + public: + ControlProtocolManager (); + ~ControlProtocolManager (); + + static ControlProtocolManager& instance() { return *_instance; } + + void set_session (Session&); + void discover_control_protocols (); + void foreach_known_protocol (sigc::slot<void,const ControlProtocolInfo*>); + void load_mandatory_protocols (); + + ControlProtocol* instantiate (ControlProtocolInfo&); + int teardown (ControlProtocolInfo&); + + std::list<ControlProtocolInfo*> control_protocol_info; + + static const std::string state_node_name; + + void set_protocol_states (const XMLNode&); + + int set_state (const XMLNode&); + XMLNode& get_state (void); + + private: + static ControlProtocolManager* _instance; + + Session* _session; + Glib::Mutex protocols_lock; + std::list<ControlProtocol*> control_protocols; + + void drop_session (); + + int control_protocol_discover (std::string path); + ControlProtocolDescriptor* get_descriptor (std::string path); + ControlProtocolInfo* cpi_by_name (std::string); +}; + +} // namespace + +#endif // ardour_control_protocol_manager_h |