header: Add ReplayGain selector to the Header

And modify the Application to store ReplayGain settings in the database.

Signed-off-by: Anna Schumaker <Anna@NoWheyCreamery.com>

emmental/__init__.py

@@ -31,7 +31,10 @@ class Application(Adw.Application):
     def build_header(self) -> header.Header:
         """Build a new header instance."""
         hdr = header.Header(sql=self.db, title=VERSION_STRING)
-        self.db.settings.bind_setting("audio.volume", hdr, "volume")
+        for (setting, property) in [("audio.volume", "volume"),
+                                    ("audio.replaygain.enabled", "rg-enabled"),
+                                    ("audio.replaygain.mode", "rg-mode")]:
+            self.db.settings.bind_setting(setting, hdr, property)
         return hdr
 
     def build_window(self) -> window.Window:

emmental/header/__init__.py

@@ -5,6 +5,7 @@ from gi.repository import Gtk
 from gi.repository import Adw
 from .. import db
 from .. import buttons
+from . import replaygain
 from . import volume
 if __debug__:
     from . import settings
@@ -28,6 +29,8 @@ class Header(Gtk.HeaderBar):
     sql = GObject.Property(type=db.Connection)
     title = GObject.Property(type=str)
     subtitle = GObject.Property(type=str)
+    rg_enabled = GObject.Property(type=bool, default=False)
+    rg_mode = GObject.Property(type=str, default="auto")
     volume = GObject.Property(type=float, default=1.0)
 
     def __init__(self, sql: db.Connection, title: str):
@@ -35,9 +38,12 @@ class Header(Gtk.HeaderBar):
         super().__init__(title=title, subtitle=SUBTITLE, sql=sql)
         self._title = Adw.WindowTitle(title=self.title, subtitle=self.subtitle)
         self._volume = volume.Controls()
+        self._replaygain = replaygain.Selector()
 
         self._box = Gtk.Box.new(Gtk.Orientation.VERTICAL, 0)
         self._box.append(self._volume)
+        self._box.append(Gtk.Separator())
+        self._box.append(self._replaygain)
 
         icon = _volume_icon(self.volume)
         self._button = buttons.PopoverButton(popover_child=self._box,
@@ -45,6 +51,10 @@ class Header(Gtk.HeaderBar):
 
         self.bind_property("title", self._title, "title")
         self.bind_property("subtitle", self._title, "subtitle")
+        self.bind_property("rg-enabled", self._replaygain, "enabled",
+                           GObject.BindingFlags.BIDIRECTIONAL)
+        self.bind_property("rg-mode", self._replaygain, "mode",
+                           GObject.BindingFlags.BIDIRECTIONAL)
         self.bind_property("volume", self._volume, "volume",
                            GObject.BindingFlags.BIDIRECTIONAL)
 

tests/header/test_header.py

@@ -68,6 +68,23 @@ class TestHeader(tests.util.TestCase):
                 self.assertEqual(self.header._button.get_icon_name(),
                                  f"audio-volume-{icon}-symbolic")
 
+    def test_replaygain(self):
+        """Test that we can configure ReplayGain as expected."""
+        self.assertIsInstance(self.header._replaygain,
+                              emmental.header.replaygain.Selector)
+        self.assertFalse(self.header.rg_enabled)
+        self.assertEqual(self.header.rg_mode, "auto")
+
+        self.header.rg_enabled = True
+        self.header.rg_mode = "track"
+        self.assertTrue(self.header._replaygain.enabled)
+        self.assertEqual(self.header._replaygain.mode, "track")
+
+        self.header._replaygain.enabled = False
+        self.header._replaygain.mode = "album"
+        self.assertFalse(self.header.rg_enabled)
+        self.assertEqual(self.header.rg_mode, "album")
+
     def test_popover(self):
         """Check that the menu popover was set up correctly."""
         self.assertIsInstance(self.header._button,
@@ -83,3 +100,8 @@ class TestHeader(tests.util.TestCase):
         self.assertEqual(self.header._button.popover_child, self.header._box)
         self.assertEqual(self.header._box.get_first_child(),
                          self.header._volume)
+
+        sep = self.header._volume.get_next_sibling()
+        self.assertIsInstance(sep, Gtk.Separator)
+        self.assertEqual(sep.get_orientation(), Gtk.Orientation.HORIZONTAL)
+        self.assertEqual(sep.get_next_sibling(), self.header._replaygain)

tests/test_settings.py

@@ -40,3 +40,18 @@ class TestSettings(unittest.TestCase):
         self.assertEqual(self.settings["audio.volume"], 0.5)
 
         self.assertEqual(self.app.build_header().volume, 0.5)
+
+    def test_save_replaygain(self):
+        """Check saving and loading replaygain state from the database."""
+        self.assertFalse(self.settings["audio.replaygain.enabled"])
+        self.assertEqual(self.settings["audio.replaygain.mode"], "auto")
+
+        self.win.header.rg_enabled = True
+        self.assertTrue(self.settings["audio.replaygain.enabled"])
+
+        self.win.header.rg_mode = "track"
+        self.assertEqual(self.settings["audio.replaygain.mode"], "track")
+
+        header = self.app.build_header()
+        self.assertTrue(header.rg_enabled)
+        self.assertEqual(header.rg_mode, "track")