spotube/lib/services/audio_services/audio_services.dart

import 'package:audio_service/audio_service.dart';
import 'package:flutter_desktop_tools/flutter_desktop_tools.dart';
import 'package:flutter_riverpod/flutter_riverpod.dart';
import 'package:spotify/spotify.dart';
import 'package:spotube/models/spotube_track.dart';
import 'package:spotube/provider/proxy_playlist/proxy_playlist_provider.dart';
import 'package:spotube/services/audio_player/audio_player.dart';
import 'package:spotube/services/audio_services/linux_audio_service.dart';
import 'package:spotube/services/audio_services/mobile_audio_service.dart';
import 'package:spotube/services/audio_services/windows_audio_service.dart';
import 'package:spotube/utils/type_conversion_utils.dart';

class AudioServices {
  final MobileAudioService? mobile;
  final WindowsAudioService? smtc;
  final LinuxAudioService? mpris;

  AudioServices(this.mobile, this.smtc, this.mpris);

  static Future<AudioServices> create(
    Ref ref,
    ProxyPlaylistNotifier playback,
  ) async {
    final mobile =
        DesktopTools.platform.isMobile || DesktopTools.platform.isMacOS
            ? await AudioService.init(
                builder: () => MobileAudioService(playback),
                config: const AudioServiceConfig(
                  androidNotificationChannelId: 'com.krtirtho.Spotube',
                  androidNotificationChannelName: 'Spotube',
                  androidNotificationOngoing: true,
                ),
              )
            : null;
    final smtc = DesktopTools.platform.isWindows
        ? WindowsAudioService(ref, playback)
        : null;
    final mpris =
        DesktopTools.platform.isLinux ? LinuxAudioService(ref, playback) : null;

    if (mpris != null) {
      playback.addListener((state) {
        mpris.player.updateProperties();
      });
      audioPlayer.playerStateStream.listen((state) {
        mpris.player.updateProperties();
      });
      audioPlayer.positionStream.listen((state) async {
        await mpris.player.emitPropertiesChanged(
          "org.mpris.MediaPlayer2.Player",
          changedProperties: {
            "Position": (await mpris.player.getPosition()).returnValues.first,
          },
        );
      });
    }

    return AudioServices(mobile, smtc, mpris);
  }

  Future<void> addTrack(Track track) async {
    await smtc?.addTrack(track);
    mobile?.addItem(MediaItem(
      id: track.id!,
      album: track.album?.name ?? "",
      title: track.name!,
      artist: TypeConversionUtils.artists_X_String(track.artists ?? <Artist>[]),
      duration: track is SpotubeTrack
          ? track.ytTrack.duration
          : Duration(milliseconds: track.durationMs ?? 0),
      artUri: Uri.parse(TypeConversionUtils.image_X_UrlString(
        track.album?.images ?? <Image>[],
        placeholder: ImagePlaceholder.albumArt,
      )),
      playable: true,
    ));
  }

  void activateSession() {
    mobile?.session?.setActive(true);
  }

  void deactivateSession() {
    mobile?.session?.setActive(false);
  }

  void dispose() {
    smtc?.dispose();
    mpris?.dispose();
  }
}