Everywhere: Hoist the Libraries folder to the top-level

Author: https://github.com/trflynn89
Commit: 93712b24bf
Pull-request: https://github.com/LadybirdBrowser/ladybird/pull/2256
Reviewed-by: https://github.com/sideshowbarker

Libraries/LibWeb/CSS/StyleValues/FrequencyStyleValue.h

@@ -0,0 +1,49 @@
+/*
+ * Copyright (c) 2018-2020, Andreas Kling <andreas@ladybird.org>
+ * Copyright (c) 2021, Tobias Christiansen <tobyase@serenityos.org>
+ * Copyright (c) 2021-2024, Sam Atkins <sam@ladybird.org>
+ * Copyright (c) 2022-2023, MacDue <macdue@dueutil.tech>
+ *
+ * SPDX-License-Identifier: BSD-2-Clause
+ */
+
+#pragma once
+
+#include <LibWeb/CSS/Frequency.h>
+#include <LibWeb/CSS/StyleValues/CSSUnitValue.h>
+
+namespace Web::CSS {
+
+class FrequencyStyleValue final : public CSSUnitValue {
+public:
+    static ValueComparingNonnullRefPtr<FrequencyStyleValue> create(Frequency frequency)
+    {
+        return adopt_ref(*new (nothrow) FrequencyStyleValue(move(frequency)));
+    }
+    virtual ~FrequencyStyleValue() override = default;
+
+    Frequency const& frequency() const { return m_frequency; }
+    virtual double value() const override { return m_frequency.raw_value(); }
+    virtual StringView unit() const override { return m_frequency.unit_name(); }
+
+    virtual String to_string() const override { return m_frequency.to_string(); }
+
+    bool equals(CSSStyleValue const& other) const override
+    {
+        if (type() != other.type())
+            return false;
+        auto const& other_frequency = other.as_frequency();
+        return m_frequency == other_frequency.m_frequency;
+    }
+
+private:
+    explicit FrequencyStyleValue(Frequency frequency)
+        : CSSUnitValue(Type::Frequency)
+        , m_frequency(move(frequency))
+    {
+    }
+
+    Frequency m_frequency;
+};
+
+}