db: Give Playlists a passthrough for PlaylistState properties

This lets us handle changes easier, since we'll catch them as they
happen. This lets us emit the "refreshed" signal when sorting changes,
for example.

Implements: Issue #32 (Passthrough PlaylistState properties)
Signed-off-by: Anna Schumaker <Anna@NoWheyCreamery.com>

db/playlist.py

@@ -74,6 +74,32 @@ class Playlist(GObject.GObject):
     @GObject.Property
     def plist_state(self): return self._plstate
 
+    @GObject.Property
+    def current(self): return self._plstate.get_property("current")
+
+    @current.setter
+    def current(self, newval): self._plstate.set_property("current", newval)
+
+    @GObject.Property(type=bool,default=False)
+    def loop(self): return self._plstate.get_property("loop")
+
+    @loop.setter
+    def loop(self, newval): self._plstate.set_property("loop", newval)
+
+    @GObject.Property(type=bool,default=False)
+    def random(self): return self._plstate.get_property("random")
+
+    @random.setter
+    def random(self, newval): self._plstate.set_property("random", newval)
+
+    @GObject.Property(type=GObject.TYPE_PYOBJECT)
+    def sort(self): return self._plstate.get_property("sort")
+
+    @sort.setter
+    def sort(self, newval):
+        self._plstate.set_property("sort", newval)
+        self.refresh()
+
     @GObject.Property
     def rowid(self): return self._rowid
 

db/test_playlist.py

@@ -12,6 +12,8 @@ class TestRow:
         return 10
 
 class TestPlaylist(unittest.TestCase):
+    def on_refresh(self, plist): self.refreshed = True
+
     def test_init(self):
         db.reset()
         plist = playlist.Playlist(TestRow(), "missing-icon")
@@ -35,6 +37,36 @@ class TestPlaylist(unittest.TestCase):
         with self.assertRaises(NotImplementedError):
             plist.delete()
 
+    def test_passthrough_current(self):
+        plist = db.user.Table.find("Test Playlist")
+        self.assertEqual(plist.get_property("current"), -1)
+        plist.set_property("current", 5)
+        self.assertEqual(plist.get_property("current"), 5)
+        self.assertEqual(plist.plist_state.get_property("current"), 5)
+
+    def test_passthrough_loop(self):
+        plist = db.user.Table.find("Test Playlist")
+        self.assertFalse(plist.get_property("loop"))
+        plist.set_property("loop", True)
+        self.assertTrue(plist.get_property("loop"))
+        self.assertTrue(plist.plist_state.get_property("loop"))
+
+    def test_passthrough_random(self):
+        plist = db.user.Table.find("Test Playlist")
+        self.assertFalse(plist.get_property("random"))
+        plist.set_property("random", True)
+        self.assertTrue(plist.get_property("random"))
+        self.assertTrue(plist.plist_state.get_property("random"))
+
+    def test_passthrough_sort(self):
+        plist = db.user.Table.find("Test Playlist")
+        plist.connect("refreshed", self.on_refresh)
+        self.assertEqual(plist.get_property("sort"), plist.plist_state.sort)
+        plist.set_property("sort", [ "rowid ASC" ])
+        self.assertEqual(plist.get_property("sort"), [ "rowid ASC" ])
+        self.assertEqual(plist.plist_state.get_property("sort"), [ "rowid ASC" ])
+        self.assertTrue(self.refreshed)
+
 
 class TestMappedPlaylist(unittest.TestCase):
     def test_init(self):