Add and use SPL::swap().

[dcpomatic.git] / src / lib / spl.h

diff --git a/src/lib/spl.h b/src/lib/spl.h
index 18892993fcb1575cd8695339fa10ce03a0e1c7b7..d7c746d1e39d1121bdbfdd3886682d4d05aa7d1e 100644 (file)
--- a/src/lib/spl.h
+++ b/src/lib/spl.h
@@ -1,5 +1,5 @@
 /*
-    Copyright (C) 2018 Carl Hetherington <cth@carlh.net>
+    Copyright (C) 2018-2020 Carl Hetherington <cth@carlh.net>
 
     This file is part of DCP-o-matic.
 
@@ -18,14 +18,20 @@
 
 */
 
+
 #ifndef DCPOMATIC_SPL_H
 #define DCPOMATIC_SPL_H
 
+
 #include "spl_entry.h"
 #include <dcp/util.h>
+#include <boost/signals2.hpp>
+#include <algorithm>
+
 
 class ContentStore;
 
+
 class SPL
 {
 public:
@@ -34,6 +40,13 @@ public:
                , _missing (false)
        {}
 
+       SPL (std::string name)
+               : _id (dcp::make_uuid())
+               , _name (name)
+               , _missing (false)
+       {}
+
+
        void add (SPLEntry e) {
                _spl.push_back (e);
        }
@@ -52,6 +65,8 @@ public:
 
        SPLEntry const & operator[] (std::size_t index) const {
                return _spl[index];
+       void swap(size_t a, size_t b) {
+               std::iter_swap(_spl.begin() + a, _spl.begin() + b);
        }
 
        void read (boost::filesystem::path path, ContentStore* store);
@@ -61,52 +76,47 @@ public:
                return _id;
        }
 
-       boost::optional<boost::filesystem::path> path () const {
-               return _path;
+       std::string name () const {
+               return _name;
        }
 
-       std::string name () const {
-               if (!_path) {
-                       return "";
-               }
-               return _path->filename().string();
+       void set_name (std::string name) {
+               _name = name;
        }
 
        bool missing () const {
                return _missing;
        }
 
-       boost::optional<int> allowed_shows () const {
-               return _allowed_shows;
-       }
+private:
+       std::string _id;
+       std::string _name;
+       std::vector<SPLEntry> _spl;
+       /** true if any content was missing when read() was last called on this SPL */
+       bool _missing;
+};
 
-       bool have_allowed_shows () const {
-               return !_allowed_shows || *_allowed_shows > 0;
-       }
 
-       void set_allowed_shows (int s) {
-               _allowed_shows = s;
-       }
+class SignalSPL : public SPL
+{
+public:
+       enum class Change {
+               NAME,
+               CONTENT,
+       };
 
-       void unset_allowed_shows () {
-               _allowed_shows = boost::optional<int>();
-       }
+       SignalSPL () {}
 
-       void decrement_allowed_shows () {
-               if (_allowed_shows) {
-                       (*_allowed_shows)--;
-               }
+       SignalSPL (std::string name)
+               : SPL (name)
+       {}
 
+       void set_name (std::string name) {
+               SPL::set_name (name);
+               Changed(Change::NAME);
        }
 
-private:
-       std::string _id;
-       mutable boost::optional<boost::filesystem::path> _path;
-       std::vector<SPLEntry> _spl;
-       /** true if any content was missing when read() was last called on this SPL */
-       bool _missing;
-       /** number of times left that the player will allow this playlist to be played (unset means infinite shows) */
-       boost::optional<int> _allowed_shows;
+       boost::signals2::signal<void (Change)> Changed;
 };
 
 #endif