/// <summary>
/// 发送一条弹幕
/// </summary>
public int Send(Danmaku danmaku)
{
if (DanmakuViewPool == null)
{
throw new ArgumentNullException("Danmaku view pool is null. Did you call init() first?");
}
DanmakuView view = DanmakuViewPool.Get();
if (view == null)
{
MeVisual.Warn(TAG, "show: Too many danmaku, discard");
return(RESULT_FULL_POOL);
}
if (DanmakuContainer == null || DanmakuContainer.Get() == null)
{
MeVisual.Warn(TAG, "show: Root view is null.");
return(RESULT_NULL_ROOT_VIEW);
}
view.SetDanmaku(danmaku);
// 字体大小
int textSize = danmaku.Size;
view.SetTextSize(ComplexUnitType.Px, textSize);
// 字体颜色
try
{
var color = Color.ParseColor(danmaku.Color);
view.SetTextColor(color);
}
catch
{
view.SetTextColor(Color.White);
}
// 计算弹幕距离顶部的位置
int marginTop = PositionCalculator.GetMarginTop(view);
if (marginTop == -1)
{
// 屏幕放不下了
MeVisual.Debug(TAG, "send: screen is full, too many danmaku [" + danmaku + "]");
return(TOO_MANY_DANMAKU);
}
FrameLayout.LayoutParams p = (FrameLayout.LayoutParams)view.LayoutParameters;
if (p == null)
{
p = new FrameLayout.LayoutParams(ViewGroup.LayoutParams.MatchParent, ViewGroup.LayoutParams.WrapContent);
}
p.TopMargin = marginTop;
view.LayoutParameters = p;
view.SetMinHeight((int)(Config.LineHeight * 1.35));
view.Show(DanmakuContainer.Get(), GetDisplayDuration(danmaku));
return(RESULT_OK);
}
private void ScheduleCheckUnusedViews()
{
Checker.ScheduleWithFixedDelay(new Runnable(() =>
{
MeVisual.Verbose(TAG, "scheduleCheckUnusedViews: mInUseSize=" + InUseSize + ", mCacheSize=" + Cache.Count);
long current = JavaSystem.CurrentTimeMillis();
while (Cache != null)
{
DanmakuViewWithExpireTime first = Cache.FirstOrDefault();
if (current > first.ExpireTime)
{
Cache.Remove(first);
}
else
{
break;
}
}
}), 1000, 1000, TimeUnit.Milliseconds);
}
