Remove out-of-date comment.
[ardour.git] / libs / pbd / stateful.cc
index 204e62685e49eeec8dd7533a5a9ba2931261a5b6..e65eb8d0700c5393140f565abd1a79f5bc119feb 100644 (file)
@@ -39,9 +39,8 @@ int Stateful::current_state_version = 0;
 int Stateful::loading_state_version = 0;
 
 Stateful::Stateful ()
-        : _frozen (0)
-        , _no_property_changes (false)
-        , _properties (new OwnedPropertyList)
+       : _frozen (0)
+       , _properties (new OwnedPropertyList)
 {
        _extra_xml = 0;
        _instant_xml = 0;
@@ -49,7 +48,7 @@ Stateful::Stateful ()
 
 Stateful::~Stateful ()
 {
-        delete _properties;
+       delete _properties;
 
        // Do not delete _extra_xml.  The use of add_child_nocopy() 
        // means it needs to live on indefinately.
@@ -157,12 +156,12 @@ Stateful::instant_xml (const string& str, const sys::path& directory_path)
        return 0;
 }
 
-/** Forget about any old state for this object */      
+/** Forget about any changes to this object's properties */
 void
-Stateful::clear_history ()
+Stateful::clear_changes ()
 {
        for (OwnedPropertyList::iterator i = _properties->begin(); i != _properties->end(); ++i) {
-               i->second->clear_history ();
+               i->second->clear_changes ();
        }
 }
 
@@ -187,14 +186,14 @@ PropertyChange
 Stateful::set_values (XMLNode const & node)
 {
        PropertyChange c;
-        
+       
        for (OwnedPropertyList::iterator i = _properties->begin(); i != _properties->end(); ++i) {
                if (i->second->set_value (node)) {
                        c.add (i->first);
                }
        }
 
-       post_set ();
+       post_set (c);
 
        return c;
 }
@@ -205,16 +204,16 @@ Stateful::apply_changes (const PropertyList& property_list)
        PropertyChange c;
        PropertyList::const_iterator p;
 
-        DEBUG_TRACE (DEBUG::Stateful, string_compose ("Stateful %1 setting properties from list of %2\n", this, property_list.size()));
+       DEBUG_TRACE (DEBUG::Stateful, string_compose ("Stateful %1 setting properties from list of %2\n", this, property_list.size()));
 
-        for (PropertyList::const_iterator pp = property_list.begin(); pp != property_list.end(); ++pp) {
-                DEBUG_TRACE (DEBUG::Stateful, string_compose ("in plist: %1\n", pp->second->property_name()));
-        }
-        
-        for (PropertyList::const_iterator i = property_list.begin(); i != property_list.end(); ++i) {
-                if ((p = _properties->find (i->first)) != _properties->end()) {
+       for (PropertyList::const_iterator pp = property_list.begin(); pp != property_list.end(); ++pp) {
+               DEBUG_TRACE (DEBUG::Stateful, string_compose ("in plist: %1\n", pp->second->property_name()));
+       }
+       
+       for (PropertyList::const_iterator i = property_list.begin(); i != property_list.end(); ++i) {
+               if ((p = _properties->find (i->first)) != _properties->end()) {
 
-                        DEBUG_TRACE (
+                       DEBUG_TRACE (
                                DEBUG::Stateful,
                                string_compose ("actually setting property %1 using %2\n", p->second->property_name(), i->second->property_name())
                                );
@@ -223,12 +222,12 @@ Stateful::apply_changes (const PropertyList& property_list)
                                c.add (i->first);
                        }
                } else {
-                        DEBUG_TRACE (DEBUG::Stateful, string_compose ("passed in property %1 not found in own property list\n",
-                                                                      i->second->property_name()));
-                }
+                       DEBUG_TRACE (DEBUG::Stateful, string_compose ("passed in property %1 not found in own property list\n",
+                                                                     i->second->property_name()));
+               }
        }
        
-       post_set ();
+       post_set (c);
 
        send_change (c);
 
@@ -249,7 +248,7 @@ Stateful::add_properties (XMLNode& owner_state)
 void
 Stateful::add_property (PropertyBase& s)
 {
-        _properties->add (s);
+       _properties->add (s);
 }
 
 void
@@ -273,7 +272,7 @@ Stateful::send_change (const PropertyChange& what_changed)
 void
 Stateful::suspend_property_changes ()
 {
-        _frozen++;
+       _frozen++;
 }
 
 void
@@ -294,21 +293,21 @@ Stateful::resume_property_changes ()
                }
        }
 
-        mid_thaw (what_changed);
+       mid_thaw (what_changed);
 
-        send_change (what_changed);
+       send_change (what_changed);
 }
 
 bool
 Stateful::changed() const  
 {
        for (OwnedPropertyList::const_iterator i = _properties->begin(); i != _properties->end(); ++i) {
-                if (i->second->changed()) {
-                        return true;
-                }
-        }
+               if (i->second->changed()) {
+                       return true;
+               }
+       }
 
-        return false;
+       return false;
 }
 
 bool
@@ -326,21 +325,21 @@ Stateful::apply_changes (const PropertyBase& prop)
 PropertyList*
 Stateful::property_factory (const XMLNode& history_node) const
 {
-        PropertyList* prop_list = new PropertyList;
+       PropertyList* prop_list = new PropertyList;
 
-        for (OwnedPropertyList::const_iterator i = _properties->begin(); i != _properties->end(); ++i) {
-                PropertyBase* prop = i->second->maybe_clone_self_if_found_in_history_node (history_node);
+       for (OwnedPropertyList::const_iterator i = _properties->begin(); i != _properties->end(); ++i) {
+               PropertyBase* prop = i->second->clone_from_xml (history_node);
 
-                if (prop) {
-                        prop_list->add (prop);
-                }
-        }
+               if (prop) {
+                       prop_list->add (prop);
+               }
+       }
 
-        return prop_list;
+       return prop_list;
 }
 
 void
-Stateful::rdiff (vector<StatefulDiffCommand*>& cmds) const
+Stateful::rdiff (vector<Command*>& cmds) const
 {
        for (OwnedPropertyList::const_iterator i = _properties->begin(); i != _properties->end(); ++i) {
                i->second->rdiff (cmds);
@@ -348,10 +347,10 @@ Stateful::rdiff (vector<StatefulDiffCommand*>& cmds) const
 }
 
 void
-Stateful::clear_owned_history ()
+Stateful::clear_owned_changes ()
 {
        for (OwnedPropertyList::iterator i = _properties->begin(); i != _properties->end(); ++i) {
-               i->second->clear_owned_history ();
+               i->second->clear_owned_changes ();
        }
 }