content: package de.danoeh.antennapod.ui.screen.playback;
  
  import android.content.Context;
  import android.os.Build;
  import android.util.AttributeSet;
  import android.view.View;
  import android.widget.FrameLayout;
  import android.widget.SeekBar;
  import androidx.annotation.NonNull;
  import androidx.annotation.Nullable;
  import androidx.core.util.Consumer;
  import de.danoeh.antennapod.R;
  
  import java.util.Locale;
  
  public class PlaybackSpeedSeekBar extends FrameLayout {
      private SeekBar seekBar;
      private Consumer<Float> progressChangedListener;
  
      public PlaybackSpeedSeekBar(@NonNull Context context) {
          super(context);
          setup();
      }
  
      public PlaybackSpeedSeekBar(@NonNull Context context, @Nullable AttributeSet attrs) {
          super(context, attrs);
          setup();
      }
  
      public PlaybackSpeedSeekBar(@NonNull Context context, @Nullable AttributeSet attrs, int defStyleAttr) {
          super(context, attrs, defStyleAttr);
          setup();
      }
  
      private void setup() {
          View.inflate(getContext(), R.layout.playback_speed_seek_bar, this);
          seekBar = findViewById(R.id.playback_speed);
          findViewById(R.id.butDecSpeed).setOnClickListener(v -> seekBar.setProgress(seekBar.getProgress() - 2));
          findViewById(R.id.butIncSpeed).setOnClickListener(v -> seekBar.setProgress(seekBar.getProgress() + 2));
  
          seekBar.setOnSeekBarChangeListener(new SeekBar.OnSeekBarChangeListener() {
              @Override
              public void onProgressChanged(SeekBar seekBar, int progress, boolean fromUser) {
                  float playbackSpeed = (progress + 10) / 20.0f;
                  if (progressChangedListener != null) {
                      progressChangedListener.accept(playbackSpeed);
                  }
              }
  
              @Override
              public void onStartTrackingTouch(SeekBar seekBar) {
              }
  
              @Override
              public void onStopTrackingTouch(SeekBar seekBar) {
              }
          });
      }
  
      public void updateSpeed(float speedMultiplier) {
          seekBar.setProgress(Math.round((20 * speedMultiplier) - 10));
          if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.R) {
              seekBar.setStateDescription(String.format(Locale.getDefault(), "%1$.2f", speedMultiplier));
          }
      }
  
      public void setProgressChangedListener(Consumer<Float> progressChangedListener) {
          this.progressChangedListener = progressChangedListener;
      }
  
      public float getCurrentSpeed() {
          return (seekBar.getProgress() + 10) / 20.0f;
      }
  
      @Override
      public void setEnabled(boolean enabled) {
          super.setEnabled(enabled);
          seekBar.setEnabled(enabled);
          findViewById(R.id.butDecSpeed).setEnabled(enabled);
          findViewById(R.id.butIncSpeed).setEnabled(enabled);
      }
  }
  