protected override void Update(FrameEventArgs args)
{
base.Update(args);
if (!_owner.Instrument.IsMidiOpen)
{
PlaybackSlider.MaxValue = 1;
PlaybackSlider.SetValueWithoutEvent(0);
return;
}
if (PlaybackSlider.Grabbed)
{
return;
}
PlaybackSlider.MaxValue = _owner.Instrument.PlayerTotalTick;
PlaybackSlider.SetValueWithoutEvent(_owner.Instrument.PlayerTick);
}
/// <summary>
/// Ons the element changed.
/// </summary>
/// <param name="e">E.</param>
protected override void OnElementChanged(ElementChangedEventArgs <Slider> e)
{
base.OnElementChanged(e);
if (e.OldElement != null || e.NewElement == null)
{
return;
}
_slider = (PlaybackSlider)Element;
Control.ThumbTintColor = _slider.ThumbColor.ToUIColor();
Control.MinimumTrackTintColor = _slider.ElapsedColor.ToUIColor();
Control.MaximumTrackTintColor = _slider.RemainingColor.ToUIColor();
Control.SetThumbImage(CreateThumb(), UIControlState.Normal);
Control.TouchDown += OnPlaybackSliderTouchDown;
Control.TouchUpInside += OnPlaybackSliderTouchUp;
}
protected override void OnElementChanged(ElementChangedEventArgs <Slider> e)
{
base.OnElementChanged(e);
if (e.OldElement != null || e.NewElement == null)
{
return;
}
_slider = (PlaybackSlider)Element;
Control.Thumb.SetColorFilter(Xamarin.Forms.Color.FromHex("#AAAAAA").ToAndroid(), PorterDuff.Mode.SrcIn);
Control.ProgressTintList = ColorStateList.ValueOf(_slider.ElapsedColor.ToAndroid());
Control.ProgressTintMode = PorterDuff.Mode.SrcIn;
Control.ProgressBackgroundTintList = ColorStateList.ValueOf(_slider.RemainingColor.ToAndroid());
Control.ProgressBackgroundTintMode = PorterDuff.Mode.SrcIn;
Control.StartTrackingTouch += OnPlaybackSliderTouchDown;
Control.StopTrackingTouch += OnPlaybackSliderTouchUp;
}