From c5cadca542feaae9687525e752c4c8e26258f404 Mon Sep 17 00:00:00 2001
From: Linus Groh <mail@linusgroh.de>
Date: Wed, 11 Jan 2023 20:30:30 +0000
Subject: [PATCH] LibCore: Add StandardPaths::font_directories()

This provides a list of well-known directories containing font files,
e.g. for use with Gfx::FontDatabase::load_all_fonts_from_path().
---
 Userland/Libraries/LibCore/StandardPaths.cpp | 19 +++++++++++++++++++
 Userland/Libraries/LibCore/StandardPaths.h   |  2 ++
 2 files changed, 21 insertions(+)

diff --git a/Userland/Libraries/LibCore/StandardPaths.cpp b/Userland/Libraries/LibCore/StandardPaths.cpp
index da3cdc1563..41755490e6 100644
--- a/Userland/Libraries/LibCore/StandardPaths.cpp
+++ b/Userland/Libraries/LibCore/StandardPaths.cpp
@@ -1,5 +1,6 @@
 /*
  * Copyright (c) 2020, Andreas Kling <kling@serenityos.org>
+ * Copyright (c) 2023, Linus Groh <linusg@serenityos.org>
  *
  * SPDX-License-Identifier: BSD-2-Clause
  */
@@ -7,6 +8,7 @@
 #include <AK/DeprecatedString.h>
 #include <AK/LexicalPath.h>
 #include <AK/Platform.h>
+#include <AK/String.h>
 #include <AK/StringBuilder.h>
 #include <LibCore/SessionManagement.h>
 #include <LibCore/StandardPaths.h>
@@ -110,4 +112,21 @@ DeprecatedString StandardPaths::tempfile_directory()
     return "/tmp";
 }
 
+ErrorOr<Vector<String>> StandardPaths::font_directories()
+{
+    return Vector { {
+#if defined(AK_OS_SERENITY)
+        TRY(String::from_utf8("/res/fonts"sv)),
+#elif defined(AK_OS_MACOS)
+        TRY(String::from_utf8("/System/Library/Fonts"sv)),
+        TRY(String::from_utf8("/Library/Fonts"sv)),
+        TRY(String::formatted("{}/Library/Fonts"sv, home_directory())),
+#else
+        TRY(String::from_utf8("/usr/share/fonts"sv)),
+        TRY(String::from_utf8("/usr/local/share/fonts"sv)),
+        TRY(String::formatted("{}/.local/share/fonts"sv, home_directory())),
+#endif
+    } };
+}
+
 }
diff --git a/Userland/Libraries/LibCore/StandardPaths.h b/Userland/Libraries/LibCore/StandardPaths.h
index ac6dd2b485..470438c62d 100644
--- a/Userland/Libraries/LibCore/StandardPaths.h
+++ b/Userland/Libraries/LibCore/StandardPaths.h
@@ -1,5 +1,6 @@
 /*
  * Copyright (c) 2020, Andreas Kling <kling@serenityos.org>
+ * Copyright (c) 2023, Linus Groh <linusg@serenityos.org>
  *
  * SPDX-License-Identifier: BSD-2-Clause
  */
@@ -21,6 +22,7 @@ public:
     static DeprecatedString config_directory();
     static DeprecatedString data_directory();
     static ErrorOr<DeprecatedString> runtime_directory();
+    static ErrorOr<Vector<String>> font_directories();
 };
 
 }