Remove dark mode preference

With the GTK4 + libadwaita port Cozy now automatically follows the system
color scheme, and this setting is no longer needed.

cozy/application_settings.py

@@ -109,14 +109,6 @@ def forward_duration(self) -> int:
     def forward_duration(self, new_value):
         self._settings.set_int("forward-duration", new_value)
 
-    @property
-    def dark_mode(self) -> bool:
-        return self._settings.get_boolean("dark-mode")
-
-    @dark_mode.setter
-    def dark_mode(self, new_value: bool):
-        self._settings.set_boolean("dark-mode", new_value)
-
     @property
     def window_width(self) -> int:
         return self._settings.get_int("window-width")

cozy/ui/preferences_view.py

@@ -17,7 +17,6 @@ class PreferencesView(Adw.PreferencesWindow):
     _glib_settings: Gio.Settings = inject.attr(Gio.Settings)
     _view_model: SettingsViewModel = inject.attr(SettingsViewModel)
 
-    dark_mode_switch: Gtk.Switch = Gtk.Template.Child()
     swap_author_reader_switch: Gtk.Switch = Gtk.Template.Child()
     replay_switch: Gtk.Switch = Gtk.Template.Child()
     sleep_timer_fadeout_switch: Adw.SwitchRow = Gtk.Template.Child()
@@ -67,9 +66,6 @@ def _bind_view_model(self):
         self._view_model.bind_to("storage_attributes", self._refresh_storage_rows)
 
     def _bind_settings(self):
-        self._glib_settings.bind("dark-mode", self.dark_mode_switch, "active",
-                                 Gio.SettingsBindFlags.DEFAULT)
-
         self._glib_settings.bind("swap-author-reader", self.swap_author_reader_switch, "active",
                                  Gio.SettingsBindFlags.DEFAULT)
 

cozy/view_model/settings_view_model.py

@@ -33,12 +33,6 @@ def __init__(self):
 
         self._lock_ui: bool = False
 
-        self._gtk_settings = Gtk.Settings.get_default()
-        self.style_manager = Adw.StyleManager.get_default()
-        self._set_dark_mode()
-
-        self._app_settings.add_listener(self._on_app_setting_changed)
-
         if self._model.first_start:
             self._importer.scan()
 
@@ -119,13 +113,3 @@ def add_first_storage_location(self, path: str):
 
         self._model.invalidate()
         self._notify("storage_locations")
-
-    def _set_dark_mode(self):
-        if self._app_settings.dark_mode:
-            self.style_manager.set_color_scheme(Adw.ColorScheme.PREFER_DARK)
-        else:
-            self.style_manager.set_color_scheme(Adw.ColorScheme.PREFER_LIGHT)
-
-    def _on_app_setting_changed(self, event: str, data):
-        if event == "dark-mode":
-            self._set_dark_mode()

data/com.github.geigi.cozy.gschema.xml

@@ -41,11 +41,6 @@
       <summary>Display the time according to the playback speed.</summary>
       <description></description>
     </key>
-    <key type="b" name="dark-mode">
-      <default>false</default> 
-      <summary>Enable Dark Mode.</summary>
-      <description></description>
-    </key>
     <key type="b" name="swap-author-reader">
       <default>false</default>
       <summary>Swap author and reader tag assignment.</summary>
@@ -112,4 +107,4 @@
       <description></description>
     </key>
   </schema>
-</schemalist>
+</schemalist>

data/ui/preferences.ui

@@ -25,16 +25,6 @@
       <object class="AdwPreferencesPage">
         <property name="icon-name">settings-symbolic</property>
         <property name="title" translatable="true">General</property>
-        <child>
-          <object class="AdwPreferencesGroup">
-            <property name="title" translatable="true">Appearance</property>
-            <child>
-              <object class="AdwSwitchRow" id="dark_mode_switch">
-                <property name="title">Dark Mode</property>
-              </object>
-            </child>
-          </object>
-        </child>
         <child>
           <object class="AdwPreferencesGroup">
             <property name="title" translatable="true">Tags</property>