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Set up the ControlProtocolManager singleton in a slightly more robust way.

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git-svn-id: svn://localhost/ardour2/branches/3.0@5768 d708f5d6-7413-0410-9779-e7cbd77b26cf
This commit is contained in:
Carl Hetherington 2009-10-12 17:46:17 +00:00
parent 25102143b2
commit c221b09560
3 changed files with 14 additions and 9 deletions
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4
libs/ardour/ardour/control_protocol_manager.h
View file

@ -52,10 +52,9 @@ struct ControlProtocolInfo {
class ControlProtocolManager : public sigc::trackable, public PBD::Stateful
{
public:
ControlProtocolManager ();
~ControlProtocolManager ();
static ControlProtocolManager& instance() { return *_instance; }
static ControlProtocolManager& instance();
void set_session (Session&);
void discover_control_protocols ();
@ -75,6 +74,7 @@ struct ControlProtocolInfo {
XMLNode& get_state (void);
private:
ControlProtocolManager ();
static ControlProtocolManager* _instance;
Session* _session;

15
libs/ardour/control_protocol_manager.cc
View file

@ -39,12 +39,9 @@ ControlProtocolManager* ControlProtocolManager::_instance = 0;
const string ControlProtocolManager::state_node_name = X_("ControlProtocols");
ControlProtocolManager::ControlProtocolManager ()
: _session (0)
{
if (_instance == 0) {
_instance = this;
}
_session = 0;
}
ControlProtocolManager::~ControlProtocolManager()
@ -388,3 +385,13 @@ ControlProtocolManager::set_protocol_states (const XMLNode& node)
cpi->state = new XMLNode (*child);
}
}
ControlProtocolManager&
ControlProtocolManager::instance ()
{
if (_instance == 0) {
_instance = new ControlProtocolManager ();
}
return *_instance;
}

2
libs/ardour/globals.cc
View file

@ -356,8 +356,6 @@ ARDOUR::init (bool use_vst, bool try_optimization)
void
ARDOUR::init_post_engine ()
{
/* singleton - first object is "it" */
new ControlProtocolManager ();
ControlProtocolManager::instance().discover_control_protocols ();
XMLNode* node;