1 files changed, 58 insertions, 0 deletions
diff --git a/lib/nes/app/file-browser.hh b/lib/nes/app/file-browser.hh
new file mode 100644
index 0000000..b766f74
--- /dev/null
+++ b/lib/nes/app/file-browser.hh
@@ -0,0 +1,58 @@
+#pragma once
+
+#include "nes/common/types.hh"
+
+namespace nes
+{
+	class path_view;
+} // namespace nes;
+
+namespace nes::app
+{
+	class file_browser
+	{
+	public:
+		static constexpr auto max_name_length = u32{ 64 };
+
+		enum class item_type
+		{
+			directory,
+			file,
+		};
+
+		class item
+		{
+			item_type type_{ item_type::directory };
+			char name_[max_name_length + 1]{};
+
+		public:
+			item() = default;
+
+			explicit item(item_type const type, std::string_view const name)
+				: type_{ type }
+			{
+				std::copy_n(name.begin(), std::min(static_cast<u32>(name.length()), max_name_length), name_);
+			}
+
+			auto get_type() const -> item_type { return type_; }
+			auto get_name() const -> std::string_view { return name_; }
+		};
+
+		virtual ~file_browser() = default;
+
+		file_browser(file_browser const&) = delete;
+		file_browser(file_browser&&) = delete;
+		auto operator=(file_browser const&) -> file_browser& = delete;
+		auto operator=(file_browser&&) -> file_browser& = delete;
+
+		virtual auto get_path() const -> path_view = 0;
+		virtual auto read_item_count() -> u32 = 0;
+		virtual auto read_items(u32 offset, item* buffer, u32 buffer_size) -> u32 = 0;
+		virtual auto navigate_up() -> void = 0;
+		virtual auto navigate(std::string_view) -> void = 0;
+		virtual auto load(std::string_view, u8* buffer, u32 buffer_size) -> u32 = 0;
+
+	protected:
+		explicit file_browser() = default;
+	};
+} // namespace nes::app
+\ No newline at end of file