Recover from merge fiasco

src/activities/settings/FontDownloadActivity.h

@@ -0,0 +1,74 @@
+#pragma once
+
+#include <string>
+#include <vector>
+
+#include "../Activity.h"
+#include "FontInstaller.h"
+#include "util/ButtonNavigator.h"
+
+#ifndef FONT_MANIFEST_URL
+#define FONT_MANIFEST_URL "https://github.com/jpirnay/crosspoint-reader/assets/sd-fonts/fonts.json"
+#endif
+
+class FontDownloadActivity : public Activity {
+ public:
+  explicit FontDownloadActivity(GfxRenderer& renderer, MappedInputManager& mappedInput);
+
+  void onEnter() override;
+  void onExit() override;
+  void loop() override;
+  void render(RenderLock&&) override;
+  bool preventAutoSleep() override { return state_ == LOADING_MANIFEST || state_ == DOWNLOADING; }
+  bool skipLoopDelay() override { return true; }
+
+ private:
+  enum State {
+    WIFI_SELECTION,
+    LOADING_MANIFEST,
+    FAMILY_LIST,
+    DOWNLOADING,
+    COMPLETE,
+    ERROR,
+  };
+
+  struct ManifestFile {
+    std::string name;
+    size_t size = 0;
+  };
+
+  struct ManifestFamily {
+    std::string name;
+    std::string description;
+    std::vector<std::string> styles;
+    std::vector<ManifestFile> files;
+    size_t totalSize = 0;
+    bool installed = false;
+    bool hasUpdate = false;
+  };
+
+  State state_ = WIFI_SELECTION;
+  FontInstaller fontInstaller_;
+  ButtonNavigator buttonNavigator_;
+
+  std::string baseUrl_;
+  std::vector<ManifestFamily> families_;
+  int selectedIndex_ = 0;
+
+  size_t currentFileIndex_ = 0;
+  size_t currentFileTotal_ = 0;
+  size_t fileProgress_ = 0;
+  size_t fileTotal_ = 0;
+  int downloadingFamilyIndex_ = 0;
+  std::string errorMessage_;
+
+  void onWifiSelectionComplete(bool success);
+  bool fetchAndParseManifest();
+  void downloadFamily(ManifestFamily& family);
+  void downloadAll();
+  bool isDownloadAllSelected() const { return selectedIndex_ == 0 && !families_.empty(); }
+  int familyIndexFromList(int listIndex) const { return listIndex - 1; }
+  int listItemCount() const { return families_.empty() ? 0 : static_cast<int>(families_.size()) + 1; }
+  size_t totalUninstalledSize() const;
+  static std::string formatSize(size_t bytes);
+};