public override void OnStateChanged(View bottomSheet, int newState)
{
if (newState == BottomSheetBehavior.StateExpanded)
{
sheet.Alpha = 1;
playerContainer.Alpha = 1;
smallPlayer.Alpha = 0;
smallPlayer.Visibility = ViewStates.Gone;
bottomSheet.TranslationY = (int)(56 * context.Resources.DisplayMetrics.Density + 0.5f);
sheet.TranslationY = 0;
snackBar.TranslationY = (int)(50 * context.Resources.DisplayMetrics.Density + 0.5f);
movement = SheetMovement.Unknow;
}
else if (newState == BottomSheetBehavior.StateCollapsed)
{
movement = SheetMovement.Unknow;
}
else if (newState == BottomSheetBehavior.StateHidden)
{
movement = SheetMovement.Unknow;
if (!MainActivity.instance.SkipStop)
{
Intent intent = new Intent(context, typeof(MusicPlayer));
intent.SetAction("Stop");
intent.PutExtra("saveQueue", false);
context.StartService(intent);
}
MainActivity.instance.SkipStop = false;
sheet.Alpha = 1;
MusicPlayer.instance?.ChangeVolume(MusicPlayer.instance.volume);
}
}
public override void OnSlide(View bottomSheet, float slideOffset)
{
smallPlayer.Visibility = ViewStates.Visible;
if (movement == SheetMovement.Unknow)
{
if (slideOffset > 0)
{
movement = SheetMovement.Expanding;
}
else if (slideOffset < 0)
{
movement = SheetMovement.Hidding;
}
}
if (movement == SheetMovement.Expanding && 0 <= slideOffset && slideOffset <= 1)
{
sheet.Alpha = 1;
bottomView.TranslationY = (int)((56 * context.Resources.DisplayMetrics.Density + 0.5f) * slideOffset);
sheet.TranslationY = -(int)((56 * context.Resources.DisplayMetrics.Density + 0.5f) * (1 - slideOffset));
playerContainer.Alpha = Math.Max(0, (slideOffset - 0.5f) * 2.5f);
smallPlayer.Alpha = Math.Max(0, 1 - slideOffset * 2);
snackBar.TranslationY = (int)((50 * context.Resources.DisplayMetrics.Density + 0.5f) * slideOffset);
if (!Refreshed && slideOffset > .3)
{
Refreshed = true;
Player.instance.RefreshPlayer();
}
else if (slideOffset < .3)
{
Refreshed = false;
}
}
else if (movement == SheetMovement.Hidding && -1 <= slideOffset && slideOffset < 0)
{
sheet.Alpha = 1 + slideOffset;
MusicPlayer.instance?.ChangeVolume(MusicPlayer.instance.volume * (1 + slideOffset));
}
}
