From 77a9beca75debd2d87d735fc4fe847694eee6f13 Mon Sep 17 00:00:00 2001
From: David Robillard <d@drobilla.net>
Date: Thu, 25 Feb 2010 20:40:13 +0000
Subject: Work on contexts and polymorphic ports.

git-svn-id: http://svn.drobilla.net/lad/trunk/ingen@2492 a436a847-0d15-0410-975c-d299462d15a1
---
 src/engine/PortImpl.cpp | 28 ++++++++++++++++++++++------
 1 file changed, 22 insertions(+), 6 deletions(-)

(limited to 'src/engine/PortImpl.cpp')

diff --git a/src/engine/PortImpl.cpp b/src/engine/PortImpl.cpp
index 1f2c6530..a1a20ba8 100644
--- a/src/engine/PortImpl.cpp
+++ b/src/engine/PortImpl.cpp
@@ -53,7 +53,7 @@ PortImpl::PortImpl(BufferFactory&      bufs,
 	, _index(index)
 	, _poly(poly)
 	, _buffer_size(buffer_size)
-	, _type(type)
+	, _buffer_type(type)
 	, _value(value)
 	, _broadcast(false)
 	, _set_by_user(false)
@@ -62,6 +62,7 @@ PortImpl::PortImpl(BufferFactory&      bufs,
 	, _buffers(new Array<BufferFactory::Ref>(static_cast<size_t>(poly)))
 	, _prepared_buffers(NULL)
 {
+	_types.insert(type);
 	assert(node != NULL);
 	assert(_poly > 0);
 
@@ -84,6 +85,13 @@ PortImpl::~PortImpl()
 }
 
 
+bool
+PortImpl::supports(const Raul::URI& value_type) const
+{
+	return has_property(Shared::LV2URIMap::instance().obj_supports, value_type);
+}
+
+
 Raul::Array<BufferFactory::Ref>*
 PortImpl::set_buffers(Raul::Array<BufferFactory::Ref>* buffers)
 {
@@ -105,7 +113,7 @@ bool
 PortImpl::prepare_poly(BufferFactory& bufs, uint32_t poly)
 {
 	ThreadManager::assert_thread(THREAD_PRE_PROCESS);
-	if (_type != PortType::CONTROL && _type != PortType::AUDIO)
+	if (buffer_type() != PortType::CONTROL && buffer_type() != PortType::AUDIO)
 		return false;
 
 	if (_poly == poly)
@@ -130,7 +138,7 @@ bool
 PortImpl::apply_poly(Maid& maid, uint32_t poly)
 {
 	ThreadManager::assert_thread(THREAD_PROCESS);
-	if (_type != PortType::CONTROL && _type != PortType::AUDIO)
+	if (buffer_type() != PortType::CONTROL && buffer_type() != PortType::AUDIO)
 		return false;
 
 	if (!_prepared_buffers)
@@ -145,7 +153,7 @@ PortImpl::apply_poly(Maid& maid, uint32_t poly)
 	assert(_buffers == _prepared_buffers);
 	_prepared_buffers = NULL;
 
-	if (_type == PortType::CONTROL)
+	if (is_a(PortType::CONTROL))
 		for (uint32_t v = 0; v < _poly; ++v)
 			if (_buffers->at(v))
 				boost::static_pointer_cast<AudioBuffer>(_buffers->at(v))->set_value(
@@ -199,7 +207,7 @@ void
 PortImpl::broadcast_value(Context& context, bool force)
 {
 	Raul::Atom val;
-	switch (_type.symbol()) {
+	switch (buffer_type().symbol()) {
 	case PortType::UNKNOWN:
 		break;
 	case PortType::AUDIO:
@@ -214,7 +222,7 @@ PortImpl::broadcast_value(Context& context, bool force)
 		break;
 	case PortType::VALUE:
 	case PortType::MESSAGE:
-		LV2Object::to_atom(context.engine().world(), ((ObjectBuffer*)buffer(0).get())->object(), val);
+		LV2Object::to_atom(((ObjectBuffer*)buffer(0).get())->object(), val);
 		break;
 	}
 
@@ -242,4 +250,12 @@ PortImpl::set_context(Context::ID c)
 }
 
 
+PortType
+PortImpl::buffer_type() const
+{
+	// TODO: multiple types
+	return *_types.begin();
+}
+
+
 } // namespace Ingen
-- 
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