LibWeb: Stub Geolocation API

Author: https://github.com/gmta
Commit: 22bda8e5e2
Pull-request: https://github.com/LadybirdBrowser/ladybird/pull/5143

Libraries/LibWeb/Geolocation/GeolocationCoordinates.h

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+/*
+ * Copyright (c) 2025, Jelle Raaijmakers <jelle@ladybird.org>
+ *
+ * SPDX-License-Identifier: BSD-2-Clause
+ */
+
+#pragma once
+
+#include <LibWeb/Bindings/PlatformObject.h>
+
+namespace Web::Geolocation {
+
+// https://w3c.github.io/geolocation/#coordinates_interface
+class GeolocationCoordinates : public Bindings::PlatformObject {
+    WEB_PLATFORM_OBJECT(GeolocationCoordinates, Bindings::PlatformObject);
+    GC_DECLARE_ALLOCATOR(GeolocationCoordinates);
+
+public:
+    double accuracy() const { return m_accuracy; }
+    double latitude() const { return m_latitude; }
+    double longitude() const { return m_longitude; }
+    Optional<double> altitude() const { return m_altitude; }
+    Optional<double> altitude_accuracy() const { return m_altitude_accuracy; }
+    Optional<double> heading() const { return m_heading; }
+    Optional<double> speed() const { return m_speed; }
+
+private:
+    GeolocationCoordinates(JS::Realm&);
+
+    virtual void initialize(JS::Realm&) override;
+
+    double m_accuracy { 0.0 };
+    double m_latitude { 0.0 };
+    double m_longitude { 0.0 };
+    Optional<double> m_altitude;
+    Optional<double> m_altitude_accuracy;
+    Optional<double> m_heading;
+    Optional<double> m_speed;
+};
+
+}