From 96a0e9f9d6271c1efc6380d69653ee8f817df5d3 Mon Sep 17 00:00:00 2001
From: Henrik Friedrichsen <henrik@affekt.org>
Date: Sun, 9 Jun 2019 23:57:47 +0200
Subject: [PATCH] add type coercion helper to ListItem objects

---
 src/album.rs    | 4 ++++
 src/artist.rs   | 4 ++++
 src/playlist.rs | 4 ++++
 src/track.rs    | 4 ++++
 src/traits.rs   | 2 ++
 5 files changed, 18 insertions(+)

diff --git a/src/album.rs b/src/album.rs
index 93016d4..fe6d6c7 100644
--- a/src/album.rs
+++ b/src/album.rs
@@ -150,6 +150,10 @@ impl ListItem for Album {
         }
     }
 
+    fn as_listitem(&self) -> Box<ListItem> {
+        Box::new(self.clone())
+    }
+
     fn display_left(&self) -> String {
         format!("{}", self)
     }
diff --git a/src/artist.rs b/src/artist.rs
index 603ab24..010f16c 100644
--- a/src/artist.rs
+++ b/src/artist.rs
@@ -139,6 +139,10 @@ impl ListItem for Artist {
         }
     }
 
+    fn as_listitem(&self) -> Box<ListItem> {
+        Box::new(self.clone())
+    }
+
     fn display_left(&self) -> String {
         format!("{}", self)
     }
diff --git a/src/playlist.rs b/src/playlist.rs
index 5682763..74edbf3 100644
--- a/src/playlist.rs
+++ b/src/playlist.rs
@@ -107,6 +107,10 @@ impl ListItem for Playlist {
         }
     }
 
+    fn as_listitem(&self) -> Box<ListItem> {
+        Box::new(self.clone())
+    }
+
     fn display_left(&self) -> String {
         self.name.clone()
     }
diff --git a/src/track.rs b/src/track.rs
index ecff57b..d0008e3 100644
--- a/src/track.rs
+++ b/src/track.rs
@@ -151,6 +151,10 @@ impl ListItem for Track {
         current.map(|t| t.id == self.id).unwrap_or(false)
     }
 
+    fn as_listitem(&self) -> Box<ListItem> {
+        Box::new(self.clone())
+    }
+
     fn display_left(&self) -> String {
         format!("{}", self)
     }
diff --git a/src/traits.rs b/src/traits.rs
index 7fde625..7fc23ec 100644
--- a/src/traits.rs
+++ b/src/traits.rs
@@ -28,6 +28,8 @@ pub trait ListItem: Sync + Send + 'static {
     fn artist(&self) -> Option<Artist> {
         None
     }
+
+    fn as_listitem(&self) -> Box<ListItem>;
 }
 
 pub trait ViewExt: View {