quick commit

include/connection/dbus/mpris.hpp

@@ -0,0 +1,81 @@
+#pragma once
+
+#include <cstdint>
+#include <giomm.h>
+#include <sigc++/sigc++.h>
+#include <set>
+#include <vector>
+#include "connection/dbus/dbus.hpp"
+#include "connection/dbus/messages.hpp"
+
+class MprisController : public DbusConnection {
+  public:
+    struct PlayerState {
+        std::string title;
+        std::vector<std::string> artist;
+        std::string artwork_url;
+        int64_t length_ms;
+    };
+    enum class PlaybackStatus {
+        Playing,
+        Paused,
+        Stopped,
+    };
+
+    static std::shared_ptr<MprisController> getInstance();
+    static std::shared_ptr<MprisController> createForPlayer(const std::string &bus_name);
+
+    std::vector<std::string> get_registered_players() const;
+
+    void toggle_play();
+    void pause();
+    void next_song();
+    void previous_song();
+    void emit_seeked(int64_t position_us);
+    void set_position(const std::string &track_id, int64_t position_us);
+
+    sigc::signal<void(const MprisPlayer2Message &)> &signal_mpris_updated();
+    sigc::signal<void(PlaybackStatus)> &signal_playback_status_changed();
+    sigc::signal<void(int64_t)> &signal_playback_position_changed();
+    sigc::signal<void(bool)> &signal_can_seek_changed();
+    sigc::signal<void(const std::string &)> &signal_player_registered();
+    sigc::signal<void(const std::string &)> &signal_player_deregistered();
+
+  private:
+    MprisController();
+    explicit MprisController(const std::string &bus_name);
+    std::map<std::string, PlaybackStatus> playbackStatusMap = {
+        {"Playing", PlaybackStatus::Playing},
+        {"Paused", PlaybackStatus::Paused},
+        {"Stopped", PlaybackStatus::Stopped},
+    };
+
+    PlaybackStatus currentPlaybackStatus = PlaybackStatus::Stopped;
+
+    Glib::RefPtr<Gio::DBus::Proxy> m_proxy;
+    Glib::RefPtr<Gio::DBus::Proxy> m_dbus_proxy;
+    std::string m_player_bus_name = "org.mpris.MediaPlayer2.spotify";
+    std::set<std::string> registeredPlayers;
+    
+    sigc::signal<void(const MprisPlayer2Message &)> mprisUpdatedSignal;
+    sigc::signal<void(PlaybackStatus)> playbackStatusChangedSignal;
+    sigc::signal<void(int64_t)> playbackPositionChangedSignal;
+    sigc::signal<void(bool)> canSeekChangedSignal;
+    sigc::signal<void(const std::string &)> playerRegisteredSignal;
+    sigc::signal<void(const std::string &)> playerDeregisteredSignal;
+
+    void on_bus_connected(const Glib::RefPtr<Gio::AsyncResult> &result);
+    void signalNotification();
+    void emit_cached_playback_status();
+    void emit_cached_position();
+    void emit_cached_can_seek();
+    void on_dbus_signal(const Glib::ustring &sender_name,
+              const Glib::ustring &signal_name,
+              const Glib::VariantContainerBase &parameters);
+    void handle_player_registered(const std::string &bus_name);
+    void handle_player_deregistered(const std::string &bus_name);
+
+    // Called when the song changes
+    void on_properties_changed(const Gio::DBus::Proxy::MapChangedProperties &changed_properties,
+                               const std::vector<Glib::ustring> &invalidated_properties);
+};