plugin-pin management.. nearly there

[ardour.git] / libs / ardour / session_playlists.cc

diff --git a/libs/ardour/session_playlists.cc b/libs/ardour/session_playlists.cc
index b586ab196ebd318d65f09d9951fe86fa815664ac..649d42902bfa4f846a840c9c8c7ba17913ce858e 100644 (file)
--- a/libs/ardour/session_playlists.cc
+++ b/libs/ardour/session_playlists.cc
@@ -333,15 +333,39 @@ SessionPlaylists::maybe_delete_unused (boost::function<int(boost::shared_ptr<Pla
 {
        vector<boost::shared_ptr<Playlist> > playlists_tbd;
 
+       bool delete_remaining = false;
+       bool keep_remaining = false;
+
        for (List::iterator x = unused_playlists.begin(); x != unused_playlists.end(); ++x) {
 
+               if (keep_remaining) {
+                       break;
+               }
+
+               if (delete_remaining) {
+                       playlists_tbd.push_back (*x);
+                       continue;
+               }
+
                int status = ask (*x);
 
                switch (status) {
                case -1:
+                       // abort
                        return true;
 
-               case 0:
+               case -2:
+                       // keep this and all later
+                       keep_remaining = true;
+                       break;
+
+               case 2:
+                       // delete this and all later
+                       delete_remaining = true;
+                       // no break;
+
+               case 1:
+                       // delete this
                        playlists_tbd.push_back (*x);
                        break;
 
@@ -465,7 +489,7 @@ SessionPlaylists::playlists_for_track (boost::shared_ptr<Track> tr) const
 {
        vector<boost::shared_ptr<Playlist> > pl;
        get (pl);
-       
+
        vector<boost::shared_ptr<Playlist> > pl_tr;
 
        for (vector<boost::shared_ptr<Playlist> >::iterator i = pl.begin(); i != pl.end(); ++i) {