servo: Merge #10009 - implements NavigatorLanguage (from creativcoder:impl-navigator-language); r=Ms2ger

Fixes #9992

Source-Repo: https://github.com/servo/servo
Source-Revision: 20eb81c00ab62b582372c1dbdffc2b21e01d5d2d

servo/components/script/dom/navigator.rs

@@ -73,4 +73,9 @@ impl NavigatorMethods for Navigator {
     fn Bluetooth(&self) -> Root<Bluetooth> {
         self.bluetooth.or_init(|| Bluetooth::new(self.global().r()))
     }
+
+    // https://html.spec.whatwg.org/multipage/#navigatorlanguage
+    fn Language(&self) -> DOMString {
+        navigatorinfo::Language()
+    }
 }

servo/components/script/dom/navigatorinfo.rs

@@ -43,3 +43,7 @@ pub fn UserAgent() -> DOMString {
 pub fn AppVersion() -> DOMString {
     DOMString::from("4.0")
 }
+
+pub fn Language() -> DOMString {
+    DOMString::from("en-US")
+}

servo/components/script/dom/webidls/Navigator.webidl

@@ -9,7 +9,7 @@ interface Navigator {
 };
 Navigator implements NavigatorID;
 Navigator implements NavigatorBluetooth;
-//Navigator implements NavigatorLanguage;
+Navigator implements NavigatorLanguage;
 //Navigator implements NavigatorOnLine;
 //Navigator implements NavigatorContentUtils;
 //Navigator implements NavigatorStorageUtils;
@@ -31,3 +31,10 @@ interface NavigatorID {
 interface NavigatorBluetooth {
     readonly attribute Bluetooth bluetooth;
 };
+
+// https://html.spec.whatwg.org/multipage/#navigatorlanguage
+[NoInterfaceObject/*, Exposed=Window,Worker*/]
+interface NavigatorLanguage {
+  readonly attribute DOMString language;
+  //readonly attribute DOMString[] languages;
+};

servo/components/script/dom/webidls/WorkerNavigator.webidl

@@ -7,5 +7,5 @@
 //[Exposed=Worker]
 interface WorkerNavigator {};
 WorkerNavigator implements NavigatorID;
-//WorkerNavigator implements NavigatorLanguage;
+WorkerNavigator implements NavigatorLanguage;
 //WorkerNavigator implements NavigatorOnLine;

servo/components/script/dom/workernavigator.rs

@@ -66,4 +66,9 @@ impl WorkerNavigatorMethods for WorkerNavigator {
     fn AppVersion(&self) -> DOMString {
         navigatorinfo::AppVersion()
     }
+
+    // https://html.spec.whatwg.org/multipage/#navigatorlanguage
+    fn Language(&self) -> DOMString {
+        navigatorinfo::Language()
+    }
 }