fix compilation breakages from the last commit
[ardour.git] / libs / pbd / controllable.cc
index 2264a955ae1accfda27633482b812beea5f0de35..35f760554189d09d59195343f0a4100fff4ee780 100644 (file)
-#include <pbd/controllable.h>
-#include <pbd/xml++.h>
-#include <pbd/error.h>
+/*
+    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"
 
 #include "i18n.h"
 
 using namespace PBD;
+using namespace std;
 
 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::StaticRWLock Controllable::registry_lock = GLIBMM_STATIC_RW_LOCK_INIT;
+Controllable::Controllables Controllable::registry;
+Controllable::ControllablesByURI Controllable::registry_by_uri;
 
-Controllable::Controllable (std::string name)
+Controllable::Controllable (const string& name, const string& uri)
        : _name (name)
+       , _uri (uri)
+       , _touching (false)
 {
+       add ();
+}
+
+void
+Controllable::add ()
+{
+       Glib::RWLock::WriterLock lm (registry_lock);
+       registry.insert (this);
+
+       if (!_uri.empty()) {
+               pair<string,Controllable*> newpair;
+               newpair.first = _uri;
+               newpair.second = this;
+               registry_by_uri.insert (newpair);
+       }
+
+       this->GoingAway.connect (mem_fun (this, &Controllable::remove));
+}
+
+void
+Controllable::remove ()
+{
+       Glib::RWLock::WriterLock lm (registry_lock);
+
+       for (Controllables::iterator i = registry.begin(); i != registry.end(); ++i) {
+               if ((*i) == this) {
+                       registry.erase (i);
+                       break;
+               }
+       }
+
+       if (!_uri.empty()) {
+               ControllablesByURI::iterator i = registry_by_uri.find (_uri);
+               if (i != registry_by_uri.end()) {
+                       registry_by_uri.erase (i);
+               }
+       }
+
+
+}
+
+void
+Controllable::set_uri (const string& new_uri)
+{
+       Glib::RWLock::WriterLock lm (registry_lock);
+
+       if (!_uri.empty()) {
+               ControllablesByURI::iterator i = registry_by_uri.find (_uri);
+               if (i != registry_by_uri.end()) {
+                       registry_by_uri.erase (i);
+               }
+       }
+
+       _uri = new_uri;
+
+       if (!_uri.empty()) {
+               pair<string,Controllable*> newpair;
+               newpair.first = _uri;
+               newpair.second = this;
+               registry_by_uri.insert (newpair);
+       }
+}
+
+Controllable*
+Controllable::by_id (const ID& id)
+{
+       Glib::RWLock::ReaderLock lm (registry_lock);
+
+       for (Controllables::iterator i = registry.begin(); i != registry.end(); ++i) {
+               if ((*i)->id() == id) {
+                       return (*i);
+               }
+       }
+       return 0;
+}
+
+Controllable*
+Controllable::by_uri (const string& uri)
+{
+       Glib::RWLock::ReaderLock lm (registry_lock);
+       ControllablesByURI::iterator i;
+
+       if ((i = registry_by_uri.find (uri)) != registry_by_uri.end()) {
+               return i->second;
+       }
+       return 0;
+}
+
+Controllable*
+Controllable::by_name (const string& str)
+{
+       Glib::RWLock::ReaderLock 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);
+
+       if (!_uri.empty()) {
+               node->add_property (X_("uri"), _uri);
+       }
+               
        return *node;
 }
 
 int
-Controllable::set_state (const XMLNode& node)
+Controllable::set_state (const XMLNode& node, int /*version*/)
 {
-       const XMLProperty* prop = node.property (X_("id"));
+       const XMLProperty* prop;
 
-       if (prop) {
+       if ((prop = node.property (X_("id"))) != 0) {
                _id = prop->value();
                return 0;
        } else {
                error << _("Controllable state node has no ID property") << endmsg;
                return -1;
        }
+
+       if ((prop = node.property (X_("uri"))) != 0) {
+               set_uri (prop->value());
+       }
 }