Attempt at closing reader and sync

src/CrossPointState.h

@@ -3,6 +3,53 @@
 #include <iosfwd>
 #include <string>
 
+enum class KOReaderSyncIntentState : uint8_t {
+  COMPARE = 0,
+  PULL_REMOTE = 1,
+  PUSH_LOCAL = 2,
+};
+
+enum class KOReaderSyncOutcomeState : uint8_t {
+  NONE = 0,
+  PENDING = 1,
+  CANCELLED = 2,
+  FAILED = 3,
+  UPLOAD_COMPLETE = 4,
+  APPLIED_REMOTE = 5,
+};
+
+struct KOReaderSyncSessionState {
+  bool active = false;
+  std::string epubPath;
+  int spineIndex = 0;
+  int page = 0;
+  int totalPagesInSpine = 0;
+  uint16_t paragraphIndex = 0;
+  bool hasParagraphIndex = false;
+  KOReaderSyncIntentState intent = KOReaderSyncIntentState::COMPARE;
+  KOReaderSyncOutcomeState outcome = KOReaderSyncOutcomeState::NONE;
+  int resultSpineIndex = 0;
+  int resultPage = 0;
+  uint16_t resultParagraphIndex = 0;
+  bool resultHasParagraphIndex = false;
+
+  void clear() {
+    active = false;
+    epubPath.clear();
+    spineIndex = 0;
+    page = 0;
+    totalPagesInSpine = 0;
+    paragraphIndex = 0;
+    hasParagraphIndex = false;
+    intent = KOReaderSyncIntentState::COMPARE;
+    outcome = KOReaderSyncOutcomeState::NONE;
+    resultSpineIndex = 0;
+    resultPage = 0;
+    resultParagraphIndex = 0;
+    resultHasParagraphIndex = false;
+  }
+};
+
 class CrossPointState {
   // Static instance
   static CrossPointState instance;
@@ -12,6 +59,7 @@ class CrossPointState {
   size_t lastSleepImage = SIZE_MAX;  // SIZE_MAX = unset sentinel
   uint8_t readerActivityLoadCount = 0;
   bool lastSleepFromReader = false;
+  KOReaderSyncSessionState koReaderSyncSession;
   ~CrossPointState() = default;
 
   // Get singleton instance