Respond to MMC even when synced to JACK. Fixes #3700.

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

diff --git a/libs/ardour/ardour/session_playlists.h b/libs/ardour/ardour/session_playlists.h
index 1fca4971433de20c77fc747f86d0f9ed74287669..0a20c7b9053ebb48d10a0df93a2ab42722a8033e 100644 (file)
--- a/libs/ardour/ardour/session_playlists.h
+++ b/libs/ardour/ardour/session_playlists.h
@@ -1,3 +1,22 @@
+/*
+    Copyright (C) 2009 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.
+
+*/
+
 #ifndef __ardour_session_playlists_h__
 #define __ardour_session_playlists_h__
 
@@ -6,27 +25,38 @@
 #include <string>
 #include <glibmm/thread.h>
 #include <boost/shared_ptr.hpp>
-#include <sigc++/trackable.h>
+#include <boost/function.hpp>
+
+#include "pbd/signals.h"
 
 class XMLNode;
 
+namespace PBD {
+        class ID;
+}
+
 namespace ARDOUR {
 
 class Playlist;
 class Region;
 class Source;
 class Session;
+class Crossfade;       
        
-class SessionPlaylists : public sigc::trackable
+class SessionPlaylists : public PBD::ScopedConnectionList
 {
 public:
        ~SessionPlaylists ();
        
        boost::shared_ptr<Playlist> by_name (std::string name);
+       boost::shared_ptr<Playlist> by_id (const PBD::ID&);
        uint32_t source_use_count (boost::shared_ptr<const Source> src) const;
+        uint32_t region_use_count (boost::shared_ptr<Region> region) const;
        template<class T> void foreach (T *obj, void (T::*func)(boost::shared_ptr<Playlist>));
        void get (std::vector<boost::shared_ptr<Playlist> >&);
        void unassigned (std::list<boost::shared_ptr<Playlist> > & list);
+        void destroy_region (boost::shared_ptr<Region>);
+       boost::shared_ptr<Crossfade> find_crossfade (const PBD::ID &);
 
 private:
        friend class Session;
@@ -39,11 +69,11 @@ private:
        void find_equivalent_playlist_regions (boost::shared_ptr<Region>, std::vector<boost::shared_ptr<Region> >& result);
        void update_after_tempo_map_change ();
        void add_state (XMLNode *, bool);
-       bool maybe_delete_unused (sigc::signal<int, boost::shared_ptr<Playlist> >);
+       bool maybe_delete_unused (boost::function<int(boost::shared_ptr<Playlist>)>);
        int load (Session &, const XMLNode&);
        int load_unused (Session &, const XMLNode&);
        boost::shared_ptr<Playlist> XMLPlaylistFactory (Session &, const XMLNode&);
-
+        
        mutable Glib::Mutex lock;
        typedef std::set<boost::shared_ptr<Playlist> > List;
        List playlists;