Connections working through Store model/signal interface

git-svn-id: http://svn.drobilla.net/lad/grauph@30 a436a847-0d15-0410-975c-d299462d15a1

5 files changed, 47 insertions, 28 deletions

diff --git a/src/libs/client/PatchLibrarian.cpp b/src/libs/client/PatchLibrarian.cpp
index 5c8619f5..532f512b 100644
--- a/src/libs/client/PatchLibrarian.cpp
+++ b/src/libs/client/PatchLibrarian.cpp
@@ -273,11 +273,11 @@ PatchLibrarian::save_patch(PatchModel* patch_model, const string& filename, bool
 
 	// Save connections
 	
-	const list<ConnectionModel*>& cl = patch_model->connections();
+	const list<CountedPtr<ConnectionModel> >& cl = patch_model->connections();
 	const ConnectionModel* c = NULL;
 	
-	for (list<ConnectionModel*>::const_iterator i = cl.begin(); i != cl.end(); ++i) {
-		c = (*i);
+	for (list<CountedPtr<ConnectionModel> >::const_iterator i = cl.begin(); i != cl.end(); ++i) {
+		c = (*i).get();
 		xml_node = xmlNewChild(xml_root_node, NULL, (xmlChar*)"connection", NULL);
 		xml_child_node = xmlNewChild(xml_node, NULL, (xmlChar*)"source-node",
 			(xmlChar*)c->src_port_path().parent().name().c_str());
diff --git a/src/libs/client/PatchModel.cpp b/src/libs/client/PatchModel.cpp
index 4257dd30..b19f7606 100644
--- a/src/libs/client/PatchModel.cpp
+++ b/src/libs/client/PatchModel.cpp
@@ -40,7 +40,7 @@ PatchModel::set_path(const Path& new_path)
 	
 #ifdef DEBUG
 	// Be sure connection paths are updated and sane
-	for (list<ConnectionModel*>::iterator j = m_connections.begin();
+	for (list<CountedPtr<ConnectionModel> >::iterator j = m_connections.begin();
 			j != m_connections.end(); ++j) {
 		assert((*j)->src_port_path().parent().parent() == new_path);
 		assert((*j)->src_port_path().parent().parent() == new_path);
@@ -64,8 +64,9 @@ PatchModel::add_node(CountedPtr<NodeModel> nm)
 	assert(nm);
 	assert(nm->name().find("/") == string::npos);
 	assert(nm->parent() == NULL);
+	assert(m_nodes.find(nm->name()) == m_nodes.end());
 
-	m_nodes[nm->name()] = CountedPtr<NodeModel>(nm);
+	m_nodes[nm->name()] = nm;//CountedPtr<NodeModel>(nm);
 	nm->set_parent(this);
 
 	new_node_sig.emit(nm);
@@ -90,8 +91,8 @@ PatchModel::remove_node(const string& name)
 void
 PatchModel::clear()
 {
-	for (list<ConnectionModel*>::iterator j = m_connections.begin(); j != m_connections.end(); ++j)
-		delete (*j);
+	//for (list<CountedPtr<ConnectionModel> >::iterator j = m_connections.begin(); j != m_connections.end(); ++j)
+	//	delete (*j);
 	
 	for (NodeModelMap::iterator i = m_nodes.begin(); i != m_nodes.end(); ++i) {
 		(*i).second->clear();
@@ -125,7 +126,7 @@ PatchModel::rename_node(const Path& old_path, const Path& new_path)
 	
 	if (i != m_nodes.end()) {
 		nm = (*i).second.get();
-		for (list<ConnectionModel*>::iterator j = m_connections.begin(); j != m_connections.end(); ++j) {
+		for (list<CountedPtr<ConnectionModel> >::iterator j = m_connections.begin(); j != m_connections.end(); ++j) {
 			if ((*j)->src_port_path().parent() == old_path)
 				(*j)->src_port_path(new_path.base_path() + (*j)->src_port_path().name());
 			if ((*j)->dst_port_path().parent() == old_path)
@@ -141,10 +142,10 @@ PatchModel::rename_node(const Path& old_path, const Path& new_path)
 }
 
 
-ConnectionModel*
+CountedPtr<ConnectionModel>
 PatchModel::get_connection(const string& src_port_path, const string& dst_port_path)
 {
-	for (list<ConnectionModel*>::iterator i = m_connections.begin(); i != m_connections.end(); ++i)
+	for (list<CountedPtr<ConnectionModel> >::iterator i = m_connections.begin(); i != m_connections.end(); ++i)
 		if ((*i)->src_port_path() == src_port_path && (*i)->dst_port_path() == dst_port_path)
 			return (*i);
 	return NULL;
@@ -159,17 +160,16 @@ PatchModel::get_connection(const string& src_port_path, const string& dst_port_p
  * this patch is a fatal error.
  */
 void
-PatchModel::add_connection(ConnectionModel* cm)
+PatchModel::add_connection(CountedPtr<ConnectionModel> cm)
 {
-	assert(cm != NULL);
+	assert(cm);
 	assert(cm->src_port_path().parent().parent() == m_path);
 	assert(cm->dst_port_path().parent().parent() == m_path);
 	assert(cm->patch_path() == path());
 	
-	ConnectionModel* existing = get_connection(cm->src_port_path(), cm->dst_port_path());
+	CountedPtr<ConnectionModel> existing = get_connection(cm->src_port_path(), cm->dst_port_path());
 
-	if (existing != NULL) {
-		delete cm;
+	if (existing) {
 		return;
 	}
 
@@ -197,19 +197,19 @@ PatchModel::add_connection(ConnectionModel* cm)
 	assert(cm->dst_port() != NULL);
 
 	m_connections.push_back(cm);
+
+	new_connection_sig.emit(cm);
 }
 
 
 void
 PatchModel::remove_connection(const string& src_port_path, const string& dst_port_path)
 {
-	ConnectionModel* cm = NULL;
-	for (list<ConnectionModel*>::iterator i = m_connections.begin(); i != m_connections.end(); ++i) {
-		cm = (*i);
+	for (list<CountedPtr<ConnectionModel> >::iterator i = m_connections.begin(); i != m_connections.end(); ++i) {
+		CountedPtr<ConnectionModel> cm = (*i);
 		if (cm->src_port_path() == src_port_path && cm->dst_port_path() == dst_port_path) {
-			delete cm;
-			m_connections.erase(i);
-			assert(get_connection(src_port_path, dst_port_path) == NULL); // no duplicates
+			m_connections.erase(i); // cuts our reference
+			assert(!get_connection(src_port_path, dst_port_path)); // no duplicates
 			return;
 		}
 	}
diff --git a/src/libs/client/PatchModel.h b/src/libs/client/PatchModel.h
index 15677c50..0f8dcd12 100644
--- a/src/libs/client/PatchModel.h
+++ b/src/libs/client/PatchModel.h
@@ -24,13 +24,12 @@
 #include <sigc++/sigc++.h>
 #include "NodeModel.h"
 #include "util/CountedPtr.h"
+#include "ConnectionModel.h"
 
 using std::list; using std::string; using std::map;
 
 namespace LibOmClient {
 
-class ConnectionModel;
-	
 
 /** Client's model of a patch.
  *
@@ -46,7 +45,7 @@ public:
 	{}
 	
 	const NodeModelMap&           nodes()       const { return m_nodes; }
-	const list<ConnectionModel*>& connections() const { return m_connections; }
+	const list<CountedPtr<ConnectionModel> >& connections() const { return m_connections; }
 	
 	virtual void set_path(const Path& path);
 	
@@ -56,8 +55,8 @@ public:
 
 	void             rename_node(const Path& old_path, const Path& new_path);
 	void             rename_node_port(const Path& old_path, const Path& new_path);
-	ConnectionModel* get_connection(const string& src_port_path, const string& dst_port_path);
-	void             add_connection(ConnectionModel* cm);
+	CountedPtr<ConnectionModel> get_connection(const string& src_port_path, const string& dst_port_path);
+	void             add_connection(CountedPtr<ConnectionModel> cm);
 	void             remove_connection(const string& src_port_path, const string& dst_port_path);
 		
 	virtual void clear();
@@ -71,7 +70,8 @@ public:
 	bool          polyphonic() const;
 	
 	// Signals
-	sigc::signal<void, CountedPtr<NodeModel> > new_node_sig; 
+	sigc::signal<void, CountedPtr<NodeModel> >       new_node_sig; 
+	sigc::signal<void, CountedPtr<ConnectionModel> > new_connection_sig; 
 
 private:
 	// Prevent copies (undefined)
@@ -79,7 +79,7 @@ private:
 	PatchModel& operator=(const PatchModel& copy);
 	
 	NodeModelMap             m_nodes;
-	list<ConnectionModel*>   m_connections;
+	list<CountedPtr<ConnectionModel> >   m_connections;
 	string                   m_filename;
 	bool                     m_enabled;
 	size_t                   m_poly;
diff --git a/src/libs/client/Store.cpp b/src/libs/client/Store.cpp
index 65b3080e..cd52af70 100644
--- a/src/libs/client/Store.cpp
+++ b/src/libs/client/Store.cpp
@@ -33,6 +33,7 @@ Store::Store(SigClientInterface& emitter)
 	emitter.new_patch_sig.connect(sigc::mem_fun(this, &Store::new_patch_event));
 	emitter.new_node_sig.connect(sigc::mem_fun(this, &Store::new_node_event));
 	emitter.new_port_sig.connect(sigc::mem_fun(this, &Store::new_port_event));
+	emitter.connection_sig.connect(sigc::mem_fun(this, &Store::connection_event));
 	emitter.metadata_update_sig.connect(sigc::mem_fun(this, &Store::metadata_update_event));
 }
 
@@ -271,5 +272,22 @@ Store::metadata_update_event(const string& subject_path, const string& predicate
 }
 
 
+void
+Store::connection_event(const string& src_port_path, const string& dst_port_path)
+{
+	const Path& src = src_port_path;
+	const Path& dst = dst_port_path;
+
+	assert(src.parent().parent() == dst.parent().parent());
+	const Path& patch_path = src.parent().parent();
+
+	CountedPtr<PatchModel> patch = this->patch(patch_path);
+	if (patch)
+		patch->add_connection(new ConnectionModel(src, dst));
+	else
+		cerr << "ERROR: connection in nonexistant patch" << endl;
+}
+
+
 } // namespace LibOmClient
 
diff --git a/src/libs/client/Store.h b/src/libs/client/Store.h
index 3c3f72fa..ebcf8d8e 100644
--- a/src/libs/client/Store.h
+++ b/src/libs/client/Store.h
@@ -74,6 +74,7 @@ private:
 	void new_node_event(const string& plugin_type, const string& plugin_uri, const string& node_path, bool is_polyphonic, uint32_t num_ports);
 	void new_port_event(const string& path, const string& data_type, bool is_output);
 	void metadata_update_event(const string& subject_path, const string& predicate, const string& value);
+	void connection_event(const string& src_port_path, const string& dst_port_path);
 	
 	map<string, CountedPtr<ObjectModel> > m_objects; ///< Keyed by Om path
 	map<string, CountedPtr<PluginModel> > m_plugins; ///< Keyed by URI