From 52b150ba5dda50e52a5e1bfa0aeb900defce3d54 Mon Sep 17 00:00:00 2001
From: Paul Davis <paul@linuxaudiosystems.com>
Date: Mon, 25 Apr 2016 12:31:18 -0400
Subject: generalize VCA assign/unassign code.

Need to share this approach across Slavables
---
 libs/ardour/vca.cc | 52 ++++++++++++++++++++++++++++++++++++++++------------
 1 file changed, 40 insertions(+), 12 deletions(-)

(limited to 'libs/ardour/vca.cc')

diff --git a/libs/ardour/vca.cc b/libs/ardour/vca.cc
index d1e93cc403..2d1fbdec8f 100644
--- a/libs/ardour/vca.cc
+++ b/libs/ardour/vca.cc
@@ -164,9 +164,26 @@ VCA::clear_all_solo_state ()
 int
 VCA::assign_controls (boost::shared_ptr<VCA> vca)
 {
-	_gain_control->add_master (vca->gain_control());
-	_solo_control->add_master (vca->solo_control());
-	_mute_control->add_master (vca->mute_control());
+	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;
 }
@@ -174,15 +191,26 @@ VCA::assign_controls (boost::shared_ptr<VCA> vca)
 int
 VCA::unassign_controls (boost::shared_ptr<VCA> vca)
 {
-	if (!vca) {
-		/* unassign from all */
-		_gain_control->clear_masters ();
-		_solo_control->clear_masters ();
-		_mute_control->clear_masters ();
-	} else {
-		_gain_control->remove_master (vca->gain_control());
-		_solo_control->remove_master (vca->solo_control());
-		_mute_control->remove_master (vca->mute_control());
+	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;
-- 
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