private void OnThumbTintChanged(Brush newValue)
{
if (newValue is SolidColorBrush asColorBrush)
{
ThumbDrawable?.SetColorFilter(asColorBrush.Color, PorterDuff.Mode.SrcIn);
}
}
private void OnThumbTintChanged(Brush newValue)
{
if (newValue is SolidColorBrush asColorBrush)
{
#if __ANDROID_28__
#pragma warning disable 618 // SetColorFilter is deprecated
ThumbDrawable?.SetColorFilter(asColorBrush.ColorWithOpacity, PorterDuff.Mode.SrcIn);
#pragma warning restore 618 // SetColorFilter is deprecated
#else
ThumbDrawable?.SetColorFilter(new BlendModeColorFilter(asColorBrush.ColorWithOpacity, BlendMode.SrcIn));
#endif
}
}
public DiscreteSeekBar(Context context, IAttributeSet attrs, int defStyleAttr)
: base(context, attrs, defStyleAttr)
{
mShowIndicatorRunnable = new Runnable(Run);
mFloaterListener = this;
Focusable = true;
SetWillNotDraw(false);
mTouchSlop = ViewConfiguration.Get(context).ScaledWindowTouchSlop;
float density = context.Resources.DisplayMetrics.Density;
TypedArray a = context.ObtainStyledAttributes(attrs, Resource.Styleable.DiscreteSeekBar,
defStyleAttr, Resource.Style.Widget_DiscreteSeekBar);
int max = 100;
int min = 0;
int value = 0;
mMirrorForRtl = a.GetBoolean(Resource.Styleable.DiscreteSeekBar_dsb_mirrorForRtl, mMirrorForRtl);
mAllowTrackClick = a.GetBoolean(Resource.Styleable.DiscreteSeekBar_dsb_allowTrackClickToDrag, mAllowTrackClick);
mIndicatorPopupEnabled = a.GetBoolean(Resource.Styleable.DiscreteSeekBar_dsb_indicatorPopupEnabled, mIndicatorPopupEnabled);
mTrackHeight = a.GetDimensionPixelSize(Resource.Styleable.DiscreteSeekBar_dsb_trackHeight, (int)(1 * density));
mScrubberHeight = a.GetDimensionPixelSize(Resource.Styleable.DiscreteSeekBar_dsb_scrubberHeight, (int)(4 * density));
int thumbSize = a.GetDimensionPixelSize(Resource.Styleable.DiscreteSeekBar_dsb_thumbSize, (int)(density * ThumbDrawable.DEFAULT_SIZE_DP));
int separation = a.GetDimensionPixelSize(Resource.Styleable.DiscreteSeekBar_dsb_indicatorSeparation,
(int)(SEPARATION_DP * density));
//Extra pixels for a minimum touch area of 32dp
int touchBounds = (int)(density * 32);
mAddedTouchBounds = System.Math.Max(0, (touchBounds - thumbSize) / 2);
int indexMax = Resource.Styleable.DiscreteSeekBar_dsb_max;
int indexMin = Resource.Styleable.DiscreteSeekBar_dsb_min;
int indexValue = Resource.Styleable.DiscreteSeekBar_dsb_value;
TypedValue @out = new TypedValue();
//Not sure why, but we wanted to be able to use dimensions here...
if (a.GetValue(indexMax, @out))
{
if (@out.Type == DataType.Dimension)
{
max = a.GetDimensionPixelSize(indexMax, max);
}
else
{
max = a.GetInteger(indexMax, max);
}
}
if (a.GetValue(indexMin, @out))
{
if (@out.Type == DataType.Dimension)
{
min = a.GetDimensionPixelSize(indexMin, min);
}
else
{
min = a.GetInteger(indexMin, min);
}
}
if (a.GetValue(indexValue, @out))
{
if (@out.Type == DataType.Dimension)
{
value = a.GetDimensionPixelSize(indexValue, value);
}
else
{
value = a.GetInteger(indexValue, value);
}
}
mMin = min;
mMax = Math.Max(min + 1, max);
mValue = Math.Max(min, Math.Min(max, value));
UpdateKeyboardRange();
mIndicatorFormatter = a.GetString(Resource.Styleable.DiscreteSeekBar_dsb_indicatorFormatter);
ColorStateList trackColor = a.GetColorStateList(Resource.Styleable.DiscreteSeekBar_dsb_trackColor);
ColorStateList progressColor = a.GetColorStateList(Resource.Styleable.DiscreteSeekBar_dsb_progressColor);
ColorStateList rippleColor = a.GetColorStateList(Resource.Styleable.DiscreteSeekBar_dsb_rippleColor);
bool editMode = IsInEditMode;
if (editMode || rippleColor == null)
{
rippleColor = new ColorStateList(new int[][] { new int[] { } }, new int[] { Color.DarkGray });
}
if (editMode || trackColor == null)
{
trackColor = new ColorStateList(new int[][] { new int[] { } }, new int[] { Color.Gray });
}
if (editMode || progressColor == null)
{
progressColor = new ColorStateList(new int[][] { new int[] { } }, new int[] { DEFAULT_THUMB_COLOR });
}
mRipple = SeekBarCompat.GetRipple(rippleColor);
if (isLollipopOrGreater)
{
SeekBarCompat.SetBackground(this, mRipple);
}
else
{
mRipple.SetCallback(this);
}
TrackRectDrawable shapeDrawable = new TrackRectDrawable(trackColor);
mTrack = shapeDrawable;
mTrack.SetCallback(this);
shapeDrawable = new TrackRectDrawable(progressColor);
mScrubber = shapeDrawable;
mScrubber.SetCallback(this);
mThumb = new ThumbDrawable(progressColor, thumbSize);
mThumb.SetCallback(this);
mThumb.SetBounds(0, 0, mThumb.IntrinsicWidth, mThumb.IntrinsicHeight);
if (!editMode)
{
mIndicator = new PopupIndicator(context, attrs, defStyleAttr, ConvertValueToMessage(mMax),
thumbSize, thumbSize + mAddedTouchBounds + separation);
mIndicator.SetListener(mFloaterListener);
}
a.Recycle();
SetNumericTransformer(new DefaultNumericTransformer());
}