private static void OnTitleChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
{
var title = (SourceTitle)e.NewValue;
var chapterBar = d as RangeBar;
if (title == null)
{
return;
}
List <SourceChapter> chapters = title.ChapterList;
chapterBar.markersUpdated = false;
chapterBar.totalDuration = title.Duration.ToSpan();
chapterBar.totalSeconds = HandBrakeUnitConversionHelpers.PtsToSeconds((ulong)title.Duration.Ticks);
ulong pts = 0;
chapterBar.chapterFractions = new List <double>();
foreach (SourceChapter chapter in chapters)
{
pts += (ulong)chapter.Duration.Ticks;
chapterBar.chapterFractions.Add(Math.Min(HandBrakeUnitConversionHelpers.PtsToSeconds(pts) / chapterBar.totalSeconds, 1));
}
chapterBar.UpdateSeekBarUI();
chapterBar.UpdateMarkers();
}
private void UpdateMarkers()
{
if (this.markersUpdated)
{
return;
}
if (this.ChaptersEnabled)
{
if (this.StartChapter <= 0 || this.EndChapter <= 0 || this.Chapters == null)
{
return;
}
}
double barWidth = this.barHolder.ActualWidth;
if (barWidth == 0)
{
return;
}
this.markersGrid.Children.Clear();
if (this.ChaptersEnabled)
{
ulong pts = 0;
for (int i = 1; i < this.Chapters.Count - 1; i++)
{
pts += (ulong)this.Chapters[i - 1].Duration.Ticks;
var marker = new Polygon
{
Style = this.FindResource("SeekBarTick") as Style,
Margin = new Thickness(barWidth * (HandBrakeUnitConversionHelpers.PtsToSeconds(pts) / this.totalSeconds) - 1, 0, 0, 0),
HorizontalAlignment = HorizontalAlignment.Left,
VerticalAlignment = VerticalAlignment.Top
};
this.markersGrid.Children.Add(marker);
}
}
for (int minutes = 10; minutes * 60 < this.totalSeconds; minutes += 10)
{
string style = minutes % 60 == 0 ? "SeekBarBigTick" : "SeekBarTick";
var marker = new Polygon
{
Style = this.FindResource(style) as Style,
Margin = new Thickness(barWidth * ((minutes * 60) / this.totalSeconds) - 1, 0, 0, 0),
HorizontalAlignment = HorizontalAlignment.Left,
VerticalAlignment = VerticalAlignment.Bottom
};
this.markersGrid.Children.Add(marker);
}
this.markersUpdated = true;
}
private double GetBarFractionFromChapter(int chapter)
{
ulong pts = 0;
for (int i = 1; i <= chapter; i++)
{
pts += (ulong)this.Chapters[i - 1].Duration.Ticks;
}
return GetBarFractionFromSeconds(HandBrakeUnitConversionHelpers.PtsToSeconds(pts));
}