+/*
+ Copyright (C) 2000-2007 Paul Davis
+
+ This program is free software; you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 2 of the License, or
+ (at your option) any later version.
+
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program; if not, write to the Free Software
+ Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+
+*/
+
#include <pbd/controllable.h>
#include <pbd/xml++.h>
#include <pbd/error.h>
using namespace PBD;
-sigc::signal<void,Controllable*> Controllable::GoingAway;
+sigc::signal<void,Controllable*> Controllable::Destroyed;
sigc::signal<bool,Controllable*> Controllable::StartLearning;
sigc::signal<void,Controllable*> Controllable::StopLearning;
+sigc::signal<void,Controllable*,int,int> Controllable::CreateBinding;
+sigc::signal<void,Controllable*> Controllable::DeleteBinding;
+
+Glib::Mutex* Controllable::registry_lock = 0;
+Controllable::Controllables Controllable::registry;
Controllable::Controllable (std::string name)
: _name (name)
{
+ if (registry_lock == 0) {
+ registry_lock = new Glib::Mutex;
+ }
+
+ add ();
+}
+
+Controllable::Controllable (const XMLNode& node)
+{
+ const XMLProperty* prop = node.property (X_("name"));
+
+ if (!prop) {
+ fatal << string_compose (_("programming error: %1"), "Controllable (XMLNode&) constructor called without name property")
+ << endmsg;
+ /*NOTREACHED*/
+ }
+
+ _name = prop->value ();
+
+ prop = node.property (X_("id"));
+
+ if (!prop) {
+ fatal << string_compose (_("programming error: %1"), "Controllable (XMLNode&) constructor called without id property")
+ << endmsg;
+ /*NOTREACHED*/
+ }
+
+ _id = prop->value();
+
+ add ();
+}
+
+void
+Controllable::add ()
+{
+ Glib::Mutex::Lock lm (*registry_lock);
+ registry.insert (this);
+ this->GoingAway.connect (mem_fun (this, &Controllable::remove));
+}
+
+void
+Controllable::remove ()
+{
+ Glib::Mutex::Lock lm (*registry_lock);
+ for (Controllables::iterator i = registry.begin(); i != registry.end(); ++i) {
+ if ((*i) == this) {
+ registry.erase (i);
+ break;
+ }
+ }
+}
+
+Controllable*
+Controllable::by_id (const ID& id)
+{
+ Glib::Mutex::Lock lm (*registry_lock);
+
+ for (Controllables::iterator i = registry.begin(); i != registry.end(); ++i) {
+ if ((*i)->id() == id) {
+ return (*i);
+ }
+ }
+ return 0;
+}
+
+
+Controllable*
+Controllable::by_name (const std::string& str)
+{
+ Glib::Mutex::Lock lm (*registry_lock);
+
+ for (Controllables::iterator i = registry.begin(); i != registry.end(); ++i) {
+ if ((*i)->_name == str) {
+ return (*i);
+ }
+ }
+ return 0;
}
XMLNode&
Controllable::get_state ()
{
- XMLNode* node = new XMLNode (_name);
+ XMLNode* node = new XMLNode (X_("controllable"));
char buf[64];
+
+ node->add_property (X_("name"), _name); // not reloaded from XML state, just there to look at
_id.print (buf, sizeof (buf));
node->add_property (X_("id"), buf);
return *node;