fix crash when copy'ing latent plugins
[ardour.git] / libs / ardour / session_playlists.cc
index b4f85aa1a03cd71110fd5089266f6e0ec410cbe2..95982b6158932bfc0f0c842f7af7d79cebc2ebef 100644 (file)
 */
 #include <vector>
 
-#include "pbd/xml++.h"
-#include "pbd/compose.h"
 #include "ardour/debug.h"
-#include "ardour/session_playlists.h"
 #include "ardour/playlist.h"
-#include "ardour/region.h"
 #include "ardour/playlist_factory.h"
-#include "ardour/session.h"
-#include "ardour/source.h"
-#include "i18n.h"
+#include "ardour/session_playlists.h"
+#include "ardour/track.h"
+#include "pbd/i18n.h"
+#include "pbd/compose.h"
+#include "pbd/xml++.h"
 
 using namespace std;
 using namespace PBD;
@@ -36,7 +34,7 @@ using namespace ARDOUR;
 SessionPlaylists::~SessionPlaylists ()
 {
        DEBUG_TRACE (DEBUG::Destruction, "delete playlists\n");
-       
+
        for (List::iterator i = playlists.begin(); i != playlists.end(); ) {
                SessionPlaylists::List::iterator tmp;
 
@@ -71,7 +69,7 @@ SessionPlaylists::~SessionPlaylists ()
 bool
 SessionPlaylists::add (boost::shared_ptr<Playlist> playlist)
 {
-       Glib::Mutex::Lock lm (lock);
+       Glib::Threads::Mutex::Lock lm (lock);
 
        bool const existing = find (playlists.begin(), playlists.end(), playlist) != playlists.end();
 
@@ -98,7 +96,7 @@ SessionPlaylists::remove_weak (boost::weak_ptr<Playlist> playlist)
 void
 SessionPlaylists::remove (boost::shared_ptr<Playlist> playlist)
 {
-       Glib::Mutex::Lock lm (lock);
+       Glib::Threads::Mutex::Lock lm (lock);
 
        List::iterator i;
 
@@ -112,7 +110,7 @@ SessionPlaylists::remove (boost::shared_ptr<Playlist> playlist)
                unused_playlists.erase (i);
        }
 }
-       
+
 
 void
 SessionPlaylists::track (bool inuse, boost::weak_ptr<Playlist> wpl)
@@ -131,7 +129,7 @@ SessionPlaylists::track (bool inuse, boost::weak_ptr<Playlist> wpl)
        }
 
        {
-               Glib::Mutex::Lock lm (lock);
+               Glib::Threads::Mutex::Lock lm (lock);
 
                if (!inuse) {
 
@@ -156,21 +154,21 @@ SessionPlaylists::track (bool inuse, boost::weak_ptr<Playlist> wpl)
 uint32_t
 SessionPlaylists::n_playlists () const
 {
-       Glib::Mutex::Lock lm (lock);
+       Glib::Threads::Mutex::Lock lm (lock);
        return playlists.size();
 }
 
 boost::shared_ptr<Playlist>
 SessionPlaylists::by_name (string name)
 {
-       Glib::Mutex::Lock lm (lock);
+       Glib::Threads::Mutex::Lock lm (lock);
 
        for (List::iterator i = playlists.begin(); i != playlists.end(); ++i) {
                if ((*i)->name() == name) {
                        return* i;
                }
        }
-       
+
        for (List::iterator i = unused_playlists.begin(); i != unused_playlists.end(); ++i) {
                if ((*i)->name() == name) {
                        return* i;
@@ -183,14 +181,14 @@ SessionPlaylists::by_name (string name)
 boost::shared_ptr<Playlist>
 SessionPlaylists::by_id (const PBD::ID& id)
 {
-       Glib::Mutex::Lock lm (lock);
+       Glib::Threads::Mutex::Lock lm (lock);
 
        for (List::iterator i = playlists.begin(); i != playlists.end(); ++i) {
                if ((*i)->id() == id) {
                        return* i;
                }
        }
-       
+
        for (List::iterator i = unused_playlists.begin(); i != unused_playlists.end(); ++i) {
                if ((*i)->id() == id) {
                        return* i;
@@ -203,31 +201,31 @@ SessionPlaylists::by_id (const PBD::ID& id)
 void
 SessionPlaylists::unassigned (std::list<boost::shared_ptr<Playlist> > & list)
 {
-       Glib::Mutex::Lock lm (lock);
+       Glib::Threads::Mutex::Lock lm (lock);
 
        for (List::iterator i = playlists.begin(); i != playlists.end(); ++i) {
-               if (!(*i)->get_orig_diskstream_id().to_s().compare ("0")) {
+               if (!(*i)->get_orig_track_id().to_s().compare ("0")) {
                        list.push_back (*i);
                }
        }
-       
+
        for (List::iterator i = unused_playlists.begin(); i != unused_playlists.end(); ++i) {
-               if (!(*i)->get_orig_diskstream_id().to_s().compare ("0")) {
+               if (!(*i)->get_orig_track_id().to_s().compare ("0")) {
                        list.push_back (*i);
                }
        }
 }
 
 void
-SessionPlaylists::get (vector<boost::shared_ptr<Playlist> >& s)
+SessionPlaylists::get (vector<boost::shared_ptr<Playlist> >& s) const
 {
-       Glib::Mutex::Lock lm (lock);
+       Glib::Threads::Mutex::Lock lm (lock);
 
-       for (List::iterator i = playlists.begin(); i != playlists.end(); ++i) {
+       for (List::const_iterator i = playlists.begin(); i != playlists.end(); ++i) {
                s.push_back (*i);
        }
-       
-       for (List::iterator i = unused_playlists.begin(); i != unused_playlists.end(); ++i) {
+
+       for (List::const_iterator i = unused_playlists.begin(); i != unused_playlists.end(); ++i) {
                s.push_back (*i);
        }
 }
@@ -235,18 +233,17 @@ SessionPlaylists::get (vector<boost::shared_ptr<Playlist> >& s)
 void
 SessionPlaylists::destroy_region (boost::shared_ptr<Region> r)
 {
-       Glib::Mutex::Lock lm (lock);
+       Glib::Threads::Mutex::Lock lm (lock);
 
        for (List::iterator i = playlists.begin(); i != playlists.end(); ++i) {
                 (*i)->destroy_region (r);
        }
-       
+
        for (List::iterator i = unused_playlists.begin(); i != unused_playlists.end(); ++i) {
                 (*i)->destroy_region (r);
        }
 }
 
-
 void
 SessionPlaylists::find_equivalent_playlist_regions (boost::shared_ptr<Region> region, vector<boost::shared_ptr<Region> >& result)
 {
@@ -254,25 +251,39 @@ SessionPlaylists::find_equivalent_playlist_regions (boost::shared_ptr<Region> re
                (*i)->get_region_list_equivalent_regions (region, result);
 }
 
-/** Return the number of playlists (not regions) that contain @a src */
+/** Return the number of playlists (not regions) that contain @a src
+ *  Important: this counts usage in both used and not-used playlists.
+ */
 uint32_t
 SessionPlaylists::source_use_count (boost::shared_ptr<const Source> src) const
 {
        uint32_t count = 0;
 
+       /* XXXX this can go wildly wrong in the presence of circular references
+        * between compound regions.
+        */
+
        for (List::const_iterator p = playlists.begin(); p != playlists.end(); ++p) {
                 if ((*p)->uses_source (src)) {
                         ++count;
                         break;
                 }
        }
+
+       for (List::const_iterator p = unused_playlists.begin(); p != unused_playlists.end(); ++p) {
+                if ((*p)->uses_source (src)) {
+                        ++count;
+                        break;
+                }
+       }
+
        return count;
 }
 
 void
 SessionPlaylists::sync_all_regions_with_regions ()
 {
-       Glib::Mutex::Lock lm (lock);
+       Glib::Threads::Mutex::Lock lm (lock);
 
        for (List::const_iterator p = playlists.begin(); p != playlists.end(); ++p) {
                 (*p)->sync_all_regions_with_regions ();
@@ -325,15 +336,39 @@ 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;
 
@@ -413,10 +448,10 @@ SessionPlaylists::XMLPlaylistFactory (Session& session, const XMLNode& node)
 boost::shared_ptr<Crossfade>
 SessionPlaylists::find_crossfade (const PBD::ID& id)
 {
-       Glib::Mutex::Lock lm (lock);
+       Glib::Threads::Mutex::Lock lm (lock);
 
        boost::shared_ptr<Crossfade> c;
-       
+
        for (List::iterator i = playlists.begin(); i != playlists.end(); ++i) {
                c = (*i)->find_crossfade (id);
                if (c) {
@@ -437,16 +472,50 @@ SessionPlaylists::find_crossfade (const PBD::ID& id)
 uint32_t
 SessionPlaylists::region_use_count (boost::shared_ptr<Region> region) const
 {
-       Glib::Mutex::Lock lm (lock);
+       Glib::Threads::Mutex::Lock lm (lock);
         uint32_t cnt = 0;
-       
-       for (List::iterator i = playlists.begin(); i != playlists.end(); ++i) {
+
+       for (List::const_iterator i = playlists.begin(); i != playlists.end(); ++i) {
                 cnt += (*i)->region_use_count (region);
        }
 
-       for (List::iterator i = unused_playlists.begin(); i != unused_playlists.end(); ++i) {
+       for (List::const_iterator i = unused_playlists.begin(); i != unused_playlists.end(); ++i) {
                 cnt += (*i)->region_use_count (region);
        }
 
        return cnt;
 }
+
+/** @return list of Playlists that are associated with a track */
+vector<boost::shared_ptr<Playlist> >
+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) {
+               if (((*i)->get_orig_track_id() == tr->id()) || (tr->playlist()->id() == (*i)->id())) {
+                       pl_tr.push_back (*i);
+               }
+       }
+
+       return pl_tr;
+}
+
+void
+SessionPlaylists::foreach (boost::function<void(boost::shared_ptr<const Playlist>)> functor)
+{
+       Glib::Threads::Mutex::Lock lm (lock);
+       for (List::iterator i = playlists.begin(); i != playlists.end(); i++) {
+               if (!(*i)->hidden()) {
+                       functor (*i);
+               }
+       }
+       for (List::iterator i = unused_playlists.begin(); i != unused_playlists.end(); i++) {
+               if (!(*i)->hidden()) {
+                       functor (*i);
+               }
+       }
+}