PluginInfo::type added to copy constructor. But why is the copy constructor defined...
[ardour.git] / libs / ardour / control_protocol_manager.cc
index 1ff6c28ef36482af33dc87d5fc2e860b289f4359..483243bb6f8131b311ceb5e14edba002e25c5e17 100644 (file)
@@ -1,3 +1,22 @@
+/*
+    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 <dlfcn.h>
 
 #include <pbd/compose.h>
@@ -36,7 +55,13 @@ ControlProtocolManager::~ControlProtocolManager()
        }
 
        control_protocols.clear ();
-               
+
+       
+       for (list<ControlProtocolInfo*>::iterator p = control_protocol_info.begin(); p != control_protocol_info.end(); ++p) {
+               delete (*p);
+       }
+
+       control_protocol_info.clear();
 }
 
 void
@@ -68,6 +93,14 @@ ControlProtocolManager::drop_session ()
                        delete *p;
                }
                control_protocols.clear ();
+               
+               for (list<ControlProtocolInfo*>::iterator p = control_protocol_info.begin(); p != control_protocol_info.end(); ++p) {
+                       // otherwise the ControlProtocol instances are not recreated in set_session
+                       if ((*p)->protocol) {
+                               (*p)->requested = true;
+                               (*p)->protocol = 0;
+                       }
+               }
        }
 }
 
@@ -93,10 +126,6 @@ ControlProtocolManager::instantiate (ControlProtocolInfo& cpi)
        Glib::Mutex::Lock lm (protocols_lock);
        control_protocols.push_back (cpi.protocol);
 
-       if (cpi.state) {
-               cpi.protocol->set_state (*cpi.state);
-       }
-
        return cpi.protocol;
 }
 
@@ -122,6 +151,15 @@ ControlProtocolManager::teardown (ControlProtocolInfo& cpi)
                list<ControlProtocol*>::iterator p = find (control_protocols.begin(), control_protocols.end(), cpi.protocol);
                if (p != control_protocols.end()) {
                        control_protocols.erase (p);
+               } else {
+                       cerr << "Programming error: ControlProtocolManager::teardown() called for " << cpi.name << ", but it was not found in control_protocols" << endl;
+               }
+
+               list<ControlProtocolInfo*>::iterator p2 = find (control_protocol_info.begin(), control_protocol_info.end(), &cpi);
+               if (p2 != control_protocol_info.end()) {
+                       control_protocol_info.erase (p2);
+               } else {
+                       cerr << "Programming error: ControlProtocolManager::teardown() called for " << cpi.name << ", but it was not found in control_protocol_info" << endl;
                }
        }
        
@@ -132,9 +170,11 @@ ControlProtocolManager::teardown (ControlProtocolInfo& cpi)
 
 static bool protocol_filter (const string& str, void *arg)
 {
-       /* Not a dotfile, has a prefix before a period, suffix is "so" */
+       /* Not a dotfile, has a prefix before a period, suffix is "so", or "dylib" */
        
-       return str[0] != '.' && (str.length() > 3 && str.find (".so") == (str.length() - 3));
+       return str[0] != '.' 
+         && ((str.length() > 3 && str.find (".so") == (str.length() - 3))
+             || (str.length() > 6 && str.find (".dylib") == (str.length() - 6)));
 }
 
 void
@@ -269,11 +309,10 @@ ControlProtocolManager::set_state (const XMLNode& node)
 
                        prop = (*citer)->property (X_("active"));
 
-                       if (prop && prop->value() == X_("yes")) {
+                       if (prop && string_is_affirmative (prop->value())) {
                                if ((prop = (*citer)->property (X_("name"))) != 0) {
                                        ControlProtocolInfo* cpi = cpi_by_name (prop->value());
                                        if (cpi) {
-
                                                if (!(*citer)->children().empty()) {
                                                        cpi->state = (*citer)->children().front ();
                                                } else {
@@ -300,10 +339,25 @@ ControlProtocolManager::get_state (void)
        Glib::Mutex::Lock lm (protocols_lock);
 
        for (list<ControlProtocolInfo*>::iterator i = control_protocol_info.begin(); i != control_protocol_info.end(); ++i) {
-               XMLNode* child = new XMLNode (X_("Protocol"));
-               child->add_property (X_("name"), (*i)->name);
-               child->add_property (X_("active"), (*i)->protocol ? "yes" : "no");
-               root->add_child_nocopy (*child);
+
+               XMLNode * child;
+
+               if ((*i)->protocol) {
+                       child = &((*i)->protocol->get_state());
+                       child->add_property (X_("active"), "yes");
+                       // should we update (*i)->state here?  probably.
+                       root->add_child_nocopy (*child);
+               }
+               else if ((*i)->state) {
+                       // keep ownership clear
+                       root->add_child_copy (*(*i)->state);
+               }
+               else {
+                       child = new XMLNode (X_("Protocol"));
+                       child->add_property (X_("name"), (*i)->name);
+                       child->add_property (X_("active"), "no");
+                       root->add_child_nocopy (*child);
+               }
        }
 
        return *root;