applied platformio structure

lib/spotify/cspot/include/SpircHandler.h

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+#pragma once
+
+#include <stdint.h>    // for uint32_t, uint8_t
+#include <functional>  // for function
+#include <memory>      // for shared_ptr, unique_ptr
+#include <string>      // for string
+#include <variant>     // for variant
+#include <vector>      // for vector
+
+#include "CDNAudioFile.h"  // for CDNTrackStream, CDNTrackStream::Track...
+#include "TrackQueue.h"
+#include "protobuf/spirc.pb.h"  // for MessageType
+
+namespace cspot {
+class TrackPlayer;
+struct Context;
+
+class SpircHandler {
+ public:
+  SpircHandler(std::shared_ptr<cspot::Context> ctx);
+
+  enum class EventType {
+    PLAY_PAUSE,
+    VOLUME,
+    TRACK_INFO,
+    DISC,
+    NEXT,
+    PREV,
+    SEEK,
+    DEPLETED,
+    FLUSH,
+    PLAYBACK_START
+  };
+
+  typedef std::variant<TrackInfo, int, bool> EventData;
+
+  struct Event {
+    EventType eventType;
+    EventData data;
+  };
+
+  typedef std::function<void(std::unique_ptr<Event>)> EventHandler;
+
+  void subscribeToMercury();
+  std::shared_ptr<TrackPlayer> getTrackPlayer();
+
+  void setEventHandler(EventHandler handler);
+
+  void setPause(bool pause);
+
+  bool previousSong();
+
+  bool nextSong();
+
+  void notifyAudioReachedPlayback();
+  void notifyAudioEnded();
+  void updatePositionMs(uint32_t position);
+  void setRemoteVolume(int volume);
+  void loadTrackFromURI(const std::string& uri);
+  std::shared_ptr<cspot::TrackQueue> getTrackQueue() { return trackQueue; }
+
+  void disconnect();
+
+ private:
+  std::shared_ptr<cspot::Context> ctx;
+  std::shared_ptr<cspot::TrackPlayer> trackPlayer;
+  std::shared_ptr<cspot::TrackQueue> trackQueue;
+
+  EventHandler eventHandler = nullptr;
+
+  std::shared_ptr<cspot::PlaybackState> playbackState;
+
+  void sendCmd(MessageType typ);
+
+  void sendEvent(EventType type);
+  void sendEvent(EventType type, EventData data);
+
+  bool skipSong(TrackQueue::SkipDirection dir);
+  void handleFrame(std::vector<uint8_t>& data);
+  void notify();
+};
+}  // namespace cspot