chore: Enable keyboard shortcuts in Zen browser settings

src/browser/components/preferences/zen-settings.js

@@ -62,6 +62,28 @@ var gZenCKSSettings = {
     this._currentAction = null;
     this._initializeEvents();
     this._initializeCKS();
+    this._addPrefObservers();
+  },
+
+  _addPrefObservers() {
+    Services.prefs.addObserver("zen.keyboard.shortcuts.disable-firefox", this.onDisableFirefoxShortcutsChange.bind(this));
+  },
+
+  async onDisableFirefoxShortcutsChange(event) {
+    let checked = Services.prefs.getBoolPref("zen.keyboard.shortcuts.disable-firefox");
+    if (checked) return;
+    let buttonIndex = await confirmRestartPrompt(
+      true,
+      1,
+      true,
+      false
+    );
+    if (buttonIndex == CONFIRM_RESTART_PROMPT_RESTART_NOW) {
+      Services.startup.quit(
+        Ci.nsIAppStartup.eAttemptQuit | Ci.nsIAppStartup.eRestart
+      );
+      return;
+    }
   },
 
   _initializeCKS() {
@@ -228,5 +250,10 @@ Preferences.addAll([
     id: "zen.theme.floating-urlbar",
     type: "bool",
     default: false,
+  },
+  {
+    id: "zen.keyboard.shortcuts.disable-firefox",
+    type: "bool",
+    default: false,
   }
 ]);

src/browser/components/preferences/zenKeyboardShortcuts.inc.xhtml

@@ -7,16 +7,14 @@
 <html:h1 data-l10n-id="pane-zen-CKS-title"/>
 </hbox>
 
-<hbox id="zenCKSCategory"
-      class="subcategory"
-      hidden="true"
-      data-category="paneZenCKS">
-</hbox>
-
 <groupbox id="zenCKSGroup" data-category="paneZenCKS" hidden="true" class="highlighting-group">
       <label><html:h2 data-l10n-id="zen-settings-CKS-header"/></label>
       <description class="description-deemphasized" data-l10n-id="zen-settings-CKS-description" />
-
+      <vbox class="indent">
+            <checkbox id="zenKSCDisableFirefoxShortcuts"
+                  data-l10n-id="zen-settings-CKS-disable-firefox"
+                  preference="zen.keyboard.shortcuts.disable-firefox" />
+      </vbox>
       <vbox id="zenCKSOptions-wrapper"></vbox>
 </groupbox>