Add bookinfo

src/activities/home/BookInfoActivity.h

@@ -0,0 +1,31 @@
+#pragma once
+
+#include <string>
+#include <vector>
+
+#include "../Activity.h"
+
+class BookInfoActivity final : public Activity {
+  const std::string filePath;
+
+  // Metadata populated in onEnter
+  std::string title;
+  std::string author;
+  std::string series;
+  std::string seriesIndex;
+  std::string description;
+  std::string coverBmpPath;
+  size_t fileSizeBytes = 0;
+
+  static std::string formatFileSize(size_t bytes);
+  void renderLoading();
+  void loadData();
+
+ public:
+  explicit BookInfoActivity(GfxRenderer& renderer, MappedInputManager& mappedInput, std::string filePath)
+      : Activity("BookInfo", renderer, mappedInput), filePath(std::move(filePath)) {}
+
+  void onEnter() override;
+  void loop() override;
+  void render(RenderLock&&) override;
+};