From 75b652d59639cf0171fe51a0c1442d03081f3b2f Mon Sep 17 00:00:00 2001
From: David Robillard <d@drobilla.net>
Date: Wed, 20 Feb 2008 18:40:16 +0000
Subject: Support jack client de-registration event.

git-svn-id: http://svn.drobilla.net/lad/patchage@1152 a436a847-0d15-0410-975c-d299462d15a1
---
 src/JackDriver.cpp    | 25 ++++++++++++++++++++++---
 src/JackDriver.hpp    |  1 +
 src/PatchageEvent.cpp | 17 +++++++++++++++++
 src/PatchageEvent.hpp | 12 ++++++++++++
 4 files changed, 52 insertions(+), 3 deletions(-)

(limited to 'src')

diff --git a/src/JackDriver.cpp b/src/JackDriver.cpp
index 3a57047..0586717 100644
--- a/src/JackDriver.cpp
+++ b/src/JackDriver.cpp
@@ -75,6 +75,7 @@ JackDriver::attach(bool launch_daemon)
 
 		jack_set_error_function(error_cb);
 		jack_on_shutdown(client, jack_shutdown_cb, this);
+		jack_set_client_registration_callback(client, jack_client_registration_cb, this);
 		jack_set_port_registration_callback(client, jack_port_registration_cb, this);
 		jack_set_port_connect_callback(client, jack_port_connect_cb, this);
 		jack_set_graph_order_callback(client, jack_graph_order_cb, this);
@@ -461,15 +462,33 @@ JackDriver::disconnect(boost::shared_ptr<PatchagePort> const src_port, boost::sh
 
 
 void
-JackDriver::jack_port_registration_cb(jack_port_id_t port_id, int registered, void* jack_driver) 
+JackDriver::jack_client_registration_cb(const char* name, int registered, void* jack_driver) 
 {
 	assert(jack_driver);
 	JackDriver* me = reinterpret_cast<JackDriver*>(jack_driver);
 	assert(me->_client);
 
-	jack_port_t* const port = jack_port_by_id(me->_client, port_id);
-	const string full_name = jack_port_name(port);
+	jack_reset_max_delayed_usecs(me->_client);
+
+	// FIXME: This sucks, not realtime :(
+	if (registered) {
+		me->_events.push(PatchageEvent(me, PatchageEvent::CLIENT_CREATION, name));
+	} else {
+		me->_events.push(PatchageEvent(me, PatchageEvent::CLIENT_DESTRUCTION, name));
+	}
+}
+
+
+void
+JackDriver::jack_port_registration_cb(jack_port_id_t port_id, int registered, void* jack_driver) 
+{
+	assert(jack_driver);
+	JackDriver* me = reinterpret_cast<JackDriver*>(jack_driver);
+	assert(me->_client);
 	
+	//jack_port_t* const port = jack_port_by_id(me->_client, port_id);
+	//const string full_name = jack_port_name(port);
+
 	jack_reset_max_delayed_usecs(me->_client);
 
 	if (registered) {
diff --git a/src/JackDriver.hpp b/src/JackDriver.hpp
index 3569255..b22f13e 100644
--- a/src/JackDriver.hpp
+++ b/src/JackDriver.hpp
@@ -104,6 +104,7 @@ private:
 	void destroy_all_ports();
 	void shutdown();
 
+	static void jack_client_registration_cb(const char* name, int registered, void* me);
 	static void jack_port_registration_cb(jack_port_id_t port_id, int registered, void* me);
 	static void jack_port_connect_cb(jack_port_id_t src, jack_port_id_t dst, int connect, void* me);
 	static int  jack_graph_order_cb(void* me);
diff --git a/src/PatchageEvent.cpp b/src/PatchageEvent.cpp
index da64899..5b63486 100644
--- a/src/PatchageEvent.cpp
+++ b/src/PatchageEvent.cpp
@@ -31,6 +31,22 @@ PatchageEvent::execute(Patchage* patchage)
 {
 	if (_type == REFRESH) {
 		patchage->refresh();
+	} else if (_type == CLIENT_CREATION) {
+		// No empty modules (for now)
+		free(_str);
+		_str = NULL;
+	} else if (_type == CLIENT_DESTRUCTION) {
+		SharedPtr<PatchageModule> module = PtrCast<PatchageModule>(
+				patchage->canvas()->find_module(_str, InputOutput));
+
+		if (module) {
+			patchage->canvas()->remove_item(module);
+			module.reset();
+		}
+
+		free(_str);
+		_str = NULL;
+
 	} else if (_type == PORT_CREATION) {
 		
 		if ( ! _driver->create_port_view(patchage, _port_1)) {
@@ -48,6 +64,7 @@ PatchageEvent::execute(Patchage* patchage)
 			module->remove_port(port);
 			port->hide();
 			
+			// No empty modules (for now)
 			if (module->num_ports() == 0) {
 				patchage->canvas()->remove_item(module);
 				module.reset();
diff --git a/src/PatchageEvent.hpp b/src/PatchageEvent.hpp
index bffc3c8..1f15543 100644
--- a/src/PatchageEvent.hpp
+++ b/src/PatchageEvent.hpp
@@ -36,6 +36,8 @@ public:
 	enum Type {
 		NULL_EVENT = 0,
 		REFRESH,
+		CLIENT_CREATION,
+		CLIENT_DESTRUCTION,
 		PORT_CREATION,
 		PORT_DESTRUCTION,
 		CONNECTION,
@@ -44,12 +46,20 @@ public:
 
 	PatchageEvent(Driver* d = NULL, Type type=NULL_EVENT)
 		: _driver(d)
+		, _str(NULL)
+		, _type(type)
+	{}
+	
+	PatchageEvent(Driver* driver, Type type, const char* str)
+		: _driver(driver)
+		, _str(strdup(str)) // FIXME: not realtime (jack) :(
 		, _type(type)
 	{}
 
 	template <typename P>
 	PatchageEvent(Driver* driver, Type type, P port)
 		: _driver(driver)
+		, _str(NULL)
 		, _port_1(port)
 		, _type(type)
 	{}
@@ -57,6 +67,7 @@ public:
 	template <typename P>
 	PatchageEvent(Driver* driver, Type type, P port_1, P port_2)
 		: _driver(driver)
+		, _str(NULL)
 		, _port_1(port_1, false)
 		, _port_2(port_2, true)
 		, _type(type)
@@ -95,6 +106,7 @@ public:
 
 private:
 	Driver* _driver;
+	char*   _str;
 	PortRef _port_1;
 	PortRef _port_2;
 	uint8_t _type;
-- 
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