Extension: Remove color scheme settings

GNOME is built around the `default` and `prefer-dark` color schemes,
adding `prefer-light` into the mix generates too much paper cuts.

This could be reverted if GNOME add proper `prefer-light` integration.

src/data/org.gnome.shell.extensions.nightthemeswitcher.gschema.xml

@@ -16,11 +16,6 @@ SPDX-License-Identifier: GPL-3.0-or-later
     <value nick="teal" value="8"/>
     <value nick="yellow" value="9"/>
   </enum>
-  <enum id="org.gnome.shell.extensions.nightthemeswitcher.color-scheme-enum">
-    <value nick="default" value="0"/>
-    <value nick="prefer-dark" value="1"/>
-    <value nick="prefer-light" value="2"/>
-  </enum>
   <schema id="org.gnome.shell.extensions.nightthemeswitcher" path="/org/gnome/shell/extensions/nightthemeswitcher/">
     <key name="settings-version" type="i">
       <default>0</default>
@@ -76,14 +71,6 @@ SPDX-License-Identifier: GPL-3.0-or-later
       <default>0</default>
     </key>
   </schema>
-  <schema id="org.gnome.shell.extensions.nightthemeswitcher.color-scheme" path="/org/gnome/shell/extensions/nightthemeswitcher/color-scheme/">
-    <key name="day" enum="org.gnome.shell.extensions.nightthemeswitcher.color-scheme-enum">
-      <default>"default"</default>
-    </key>
-    <key name="night" enum="org.gnome.shell.extensions.nightthemeswitcher.color-scheme-enum">
-      <default>"prefer-dark"</default>
-    </key>
-  </schema>
   <schema id="org.gnome.shell.extensions.nightthemeswitcher.accent-color" path="/org/gnome/shell/extensions/nightthemeswitcher/accent-color/">
     <key name="day" enum="org.gnome.shell.extensions.nightthemeswitcher.accent-color-enum">
       <default>"unset"</default>

src/data/ui/AppearanceChooser.ui

@@ -26,39 +26,6 @@ SPDX-License-Identifier: GPL-3.0-or-later
     </child>
     <child>
       <object class="AdwPreferencesGroup">
-        <child>
-          <object class="AdwActionRow">
-            <property name="title" translatable="yes">Style</property>
-            <child>
-              <object class="AdwToggleGroup">
-                <style>
-                  <class name="flat"/>
-                  <class name="round"/>
-                </style>
-                <property name="valign">center</property>
-                <property name="active-name" bind-source="AppearanceChooser" bind-property="color-scheme" bind-flags="bidirectional"/>
-                <child>
-                  <object class="AdwToggle">
-                    <property name="name">prefer-light</property>
-                    <property name="label" translatable="yes">Light</property>
-                  </object>
-                </child>
-                <child>
-                  <object class="AdwToggle">
-                    <property name="name">default</property>
-                    <property name="label" translatable="yes">Default</property>
-                  </object>
-                </child>
-                <child>
-                  <object class="AdwToggle">
-                    <property name="name">prefer-dark</property>
-                    <property name="label" translatable="yes">Dark</property>
-                  </object>
-                </child>
-              </object>
-            </child>
-          </object>
-        </child>
         <child>
           <object class="AdwActionRow">
             <property name="title" translatable="yes">Accent color</property>

src/data/ui/AppearancePage.ui

@@ -27,7 +27,9 @@ SPDX-License-Identifier: GPL-3.0-or-later
                     <property name="name">day</property>
                     <property name="title" translatable="yes">Day</property>
                     <property name="child">
-                      <object class="AppearanceChooser" id="day_appearance_chooser"/>
+                      <object class="AppearanceChooser" id="day_appearance_chooser">
+                        <property name="color-scheme">default</property>
+                      </object>
                     </property>
                   </object>
                 </child>
@@ -36,7 +38,9 @@ SPDX-License-Identifier: GPL-3.0-or-later
                     <property name="name">night</property>
                     <property name="title" translatable="yes">Night</property>
                     <property name="child">
-                      <object class="AppearanceChooser" id="night_appearance_chooser"/>
+                      <object class="AppearanceChooser" id="night_appearance_chooser">
+                        <property name="color-scheme">prefer-dark</property>
+                      </object>
                     </property>
                   </object>
                 </child>

src/modules/ColorSchemeSwitcher.js

@@ -14,7 +14,6 @@ import { Switcher } from "./Switcher.js";
  * The Color Scheme Switcher changes the system color scheme according to the time.
  */
 export class ColorSchemeSwitcher extends Switcher {
-  #settings;
   #interfaceSettings;
   #timer;
 
@@ -25,15 +24,12 @@ export class ColorSchemeSwitcher extends Switcher {
    * @param {import("./Timer.js").Timer} params.timer Timer to listen to.
    */
   constructor({ timer }) {
-    const settings = NTS.getSettings(`${NTS.metadata["settings-schema"]}.color-scheme`);
     super({
       name: "Color Scheme",
       timer,
-      settings,
       callback: (time) => this.#onTimeChanged(time),
     });
     this.#timer = timer;
-    this.#settings = settings;
     this.#interfaceSettings = new Gio.Settings({ schema: "org.gnome.desktop.interface" });
   }
 
@@ -49,14 +45,6 @@ export class ColorSchemeSwitcher extends Switcher {
 
   #connectSettings() {
     debug.message("Connecting Color Scheme Switcher to settings...");
-    this.#settingsConnections.push({
-      settings: this.#settings,
-      id: this.#settings.connect("changed::day", this.#onColorSchemeChanged.bind(this)),
-    });
-    this.#settingsConnections.push({
-      settings: this.#settings,
-      id: this.#settings.connect("changed::night", this.#onColorSchemeChanged.bind(this)),
-    });
     this.#settingsConnections.push({
       settings: this.#interfaceSettings,
       id: this.#interfaceSettings.connect("changed::color-scheme", this.#onSystemColorSchemeChanged.bind(this)),
@@ -70,16 +58,10 @@ export class ColorSchemeSwitcher extends Switcher {
   }
 
   #onTimeChanged(time) {
-    const colorScheme = time === Time.NIGHT ? this.#settings.get_string("night") : this.#settings.get_string("day");
+    const colorScheme = time === Time.NIGHT ? ColorScheme.PREFER_DARK : ColorScheme.DEFAULT;
     this.#interfaceSettings.set_string("color-scheme", colorScheme);
   }
 
-  #onColorSchemeChanged(_settings, time) {
-    const colorScheme = this.#settings.get_string(time);
-    debug.message(`${time} color scheme changed to ${colorScheme}.`);
-    if (time === this.#timer.time) this.#interfaceSettings.set_string("color-scheme", colorScheme);
-  }
-
   #onSystemColorSchemeChanged() {
     const systemColorScheme = this.#interfaceSettings.get_string("color-scheme");
     const time = systemColorScheme === ColorScheme.PREFER_DARK ? Time.NIGHT : Time.DAY;

src/modules/Switcher.js

@@ -27,11 +27,11 @@ export class Switcher {
    * @param {object} params Params object.
    * @param {string} params.name Name of the switcher.
    * @param {import("./Timer.js").Timer} params.timer Timer to listen to.
-   * @param {import("gi://Gio").default.Settings} params.settings Settings.
+   * @param {?import("gi://Gio").default.Settings} params.settings Settings.
    * @param {TimeChangedCallback} params.callback Callback function.
    * @param {boolean} params.disableable If the switcher can be disabled using an `enabled` key in the settings.
    */
-  constructor({ name, timer, settings, callback, disableable = false }) {
+  constructor({ name, timer, settings = null, callback, disableable = false }) {
     this.#name = name;
     this.#timer = timer;
     this.#settings = settings;
@@ -41,6 +41,8 @@ export class Switcher {
 
   enable() {
     debug.message(`Enabling ${this.#name} switcher...`);
+    if (this.#disableable && !this.#settings)
+      throw new Error(`${this.#name} Switcher can't be disabled without settings.`);
     if (this.#disableable) this.#watchStatus();
     if (!this.#disableable || this.#settings.get_boolean("enabled")) {
       this.#connectTimer();

src/preferences/AppearancePage.js

@@ -17,7 +17,7 @@ export class AppearancePage extends Adw.PreferencesPage {
     );
   }
 
-  constructor({ accentColorSettings, colorSchemeSettings, ...params } = {}) {
+  constructor({ accentColorSettings, ...params } = {}) {
     super(params);
     const backgroundSettings = new Gio.Settings({ schema: "org.gnome.desktop.background" });
     const interfaceSettings = new Gio.Settings({ schema: "org.gnome.desktop.interface" });
@@ -30,9 +30,6 @@ export class AppearancePage extends Adw.PreferencesPage {
     accentColorSettings.bind("day", this._day_appearance_chooser, "accent-color", Gio.SettingsBindFlags.DEFAULT);
     accentColorSettings.bind("night", this._night_appearance_chooser, "accent-color", Gio.SettingsBindFlags.DEFAULT);
 
-    colorSchemeSettings.bind("day", this._day_appearance_chooser, "color-scheme", Gio.SettingsBindFlags.DEFAULT);
-    colorSchemeSettings.bind("night", this._night_appearance_chooser, "color-scheme", Gio.SettingsBindFlags.DEFAULT);
-
     backgroundSettings.bind(
       "picture-uri",
       this._day_appearance_chooser,

src/prefs.js

@@ -67,7 +67,6 @@ export default class NightThemeSwitcherPreferences extends ExtensionPreferences
     [
       new AppearancePage({
         accentColorSettings: this.getSettings(`${this.metadata["settings-schema"]}.accent-color`),
-        colorSchemeSettings: this.getSettings(`${this.metadata["settings-schema"]}.color-scheme`),
       }),
       new CommandsPage({ settings: this.getSettings(`${this.metadata["settings-schema"]}.commands`) }),
       new TweaksPage({