rearrange inheritance so that Automatable IS-A Slavable

[ardour.git] / libs / ardour / slavable.cc

diff --git a/libs/ardour/slavable.cc b/libs/ardour/slavable.cc
index 7a7b8e291947bc4c85d66b4293357414426f5de5..4a759f5fef41a20abd567a74d314e731cf16ec3b 100644 (file)
--- a/libs/ardour/slavable.cc
+++ b/libs/ardour/slavable.cc
@@ -26,6 +26,7 @@
 #include "pbd/xml++.h"
 
 #include "ardour/slavable.h"
+#include "ardour/slavable_automation_control.h"
 #include "ardour/vca.h"
 #include "ardour/vca_manager.h"
 
@@ -127,3 +128,59 @@ Slavable::unassign (boost::shared_ptr<VCA> v)
        (void) unassign_controls (v);
        _masters.erase (v->number());
 }
+
+int
+Slavable::assign_controls (boost::shared_ptr<VCA> vca)
+{
+       boost::shared_ptr<SlavableAutomationControl> slave;
+       boost::shared_ptr<AutomationControl> master;
+       AutomationType types[] = {
+               GainAutomation,
+               SoloAutomation,
+               MuteAutomation,
+               RecEnableAutomation,
+               MonitoringAutomation,
+               NullAutomation
+       };
+
+       for (uint32_t n = 0; types[n] != NullAutomation; ++n) {
+
+               slave = boost::dynamic_pointer_cast<SlavableAutomationControl> (automation_control (types[n]));
+               master = vca->automation_control (types[n]);
+
+               if (slave && master) {
+                       slave->add_master (master);
+               }
+       }
+
+       return 0;
+}
+
+int
+Slavable::unassign_controls (boost::shared_ptr<VCA> vca)
+{
+       boost::shared_ptr<SlavableAutomationControl> slave;
+       boost::shared_ptr<AutomationControl> master;
+       AutomationType types[] = {
+               GainAutomation,
+               SoloAutomation,
+               MuteAutomation,
+               RecEnableAutomation,
+               MonitoringAutomation,
+               NullAutomation
+       };
+
+       for (uint32_t n = 0; types[n] != NullAutomation; ++n) {
+
+               slave = boost::dynamic_pointer_cast<SlavableAutomationControl> (automation_control (types[n]));
+               if (!vca) {
+                       /* unassign from all */
+                       slave->clear_masters ();
+               } else {
+                       slave->remove_master (master);
+               }
+       }
+
+       return 0;
+}
+