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/LibGfx/Font/FontDatabase.h

@@ -0,0 +1,43 @@
+/*
+ * Copyright (c) 2018-2020, Andreas Kling <andreas@ladybird.org>
+ *
+ * SPDX-License-Identifier: BSD-2-Clause
+ */
+
+#pragma once
+
+#include <AK/FlyString.h>
+#include <AK/Function.h>
+#include <AK/HashMap.h>
+#include <AK/OwnPtr.h>
+#include <LibGfx/Font/Typeface.h>
+#include <LibGfx/Forward.h>
+
+namespace Gfx {
+
+class SystemFontProvider {
+public:
+    virtual ~SystemFontProvider();
+
+    virtual StringView name() const = 0;
+    virtual RefPtr<Gfx::Font> get_font(FlyString const& family, float point_size, unsigned weight, unsigned width, unsigned slope) = 0;
+    virtual void for_each_typeface_with_family_name(FlyString const& family_name, Function<void(Typeface const&)>) = 0;
+};
+
+class FontDatabase {
+public:
+    static FontDatabase& the();
+    SystemFontProvider& install_system_font_provider(NonnullOwnPtr<SystemFontProvider>);
+
+    RefPtr<Gfx::Font> get(FlyString const& family, float point_size, unsigned weight, unsigned width, unsigned slope);
+    void for_each_typeface_with_family_name(FlyString const& family_name, Function<void(Typeface const&)>);
+    [[nodiscard]] StringView system_font_provider_name() const;
+
+private:
+    FontDatabase();
+    ~FontDatabase() = default;
+
+    OwnPtr<SystemFontProvider> m_system_font_provider;
+};
+
+}