public void CleanPanel()
{
while (DateTime.UtcNow < CleanDanmakuTime)
{
Thread.Sleep(200);
}
uint count = 0;
Dispatcher.Invoke(() =>
{
double offset = 0;
while (DanmakuPanel.Children.Count > 5000)
{
FrameworkElement frameworkElement = (FrameworkElement)DanmakuPanel.Children[0];
offset += frameworkElement.ActualHeight;
DanmakuPanel.Children.RemoveAt(0);
count++;
}
double verticalOffset = DanmakuScrollViewer.VerticalOffset - offset;
if (verticalOffset < 0)
{
verticalOffset = 0;
}
DanmakuFluidMove.Duration = new Duration(TimeSpan.FromSeconds(0));
DanmakuScrollViewer.ScrollToVerticalOffset(verticalOffset);
DanmakuScrollViewer.InvalidateArrange();
DanmakuScrollViewer.UpdateLayout();
DanmakuFluidMove.Duration = new Duration(TimeSpan.FromSeconds(0.2));
});
Console.WriteLine("Danmaku cleaned : {0}", count);
}
public void AppendGift(GiftCacheManager.GiftCache item)
{
Dispatcher.Invoke(() =>
{
DanmakuPanel.Children.Add(new Gift(item));
if (!DanmakuScrollViewer.IsMouseOver)
{
DanmakuScrollViewer.ScrollToBottom();
}
CleanDanmakuTime = DateTime.UtcNow.AddSeconds(0.2);
});
if (CleanDanmakuTask == null || CleanDanmakuTask.IsCompleted)
{
CleanDanmakuTask = Task.Factory.StartNew(CleanPanel);
}
}
public void AppendRoomBlock(BiliLiveJsonParser.RoomBlock item)
{
Dispatcher.Invoke(() =>
{
DanmakuPanel.Children.Add(new RoomBlock(item));
if (!DanmakuScrollViewer.IsMouseOver)
{
DanmakuScrollViewer.ScrollToBottom();
}
CleanDanmakuTime = DateTime.UtcNow.AddSeconds(0.2);
});
if (CleanDanmakuTask == null || CleanDanmakuTask.IsCompleted)
{
CleanDanmakuTask = Task.Factory.StartNew(CleanPanel);
}
}
public void AppendGift(BiliLiveJsonParser.Gift item)
{
Dispatcher.Invoke(() =>
{
//if (Gift.AppendGiftToExist(item))
// return;
DanmakuPanel.Children.Add(new Gift(item));
if (!DanmakuScrollViewer.IsMouseOver)
{
DanmakuScrollViewer.ScrollToBottom();
}
CleanDanmakuTime = DateTime.UtcNow.AddSeconds(0.2);
});
if (CleanDanmakuTask == null || CleanDanmakuTask.IsCompleted)
{
CleanDanmakuTask = Task.Factory.StartNew(CleanPanel);
}
}