/// <summary>
/// Send view that was unbuffered or scrolled out of view to the intermediate cache.
/// </summary>
private void SendToIntermediateCache(RecyclerView.Recycler recycler, ElementViewRecord viewRecord)
{
if (viewRecord.IsEmpty)
{
if (this.Log().IsEnabled(Microsoft.Extensions.Logging.LogLevel.Debug))
{
this.Log().Debug("Discarding empty record.");
}
return;
}
NotifyViewRecycled(viewRecord.ViewHolder);
// Send to intermediate cache
var views = _intermediateCache.FindOrCreate(viewRecord.ViewHolder.ItemViewType, () => new List <UnoViewHolder>());
if (!viewRecord.ViewHolder.IsRecyclable)
{
//Item is probably animating, we throw it back to the recycler rather than just detaching it to prevent the following error: "java.lang.IllegalArgumentException: Tmp detached view should be removed from RecyclerView before it can be recycled"
Layout.RemoveAndRecycleView(viewRecord.View, recycler);
return;
}
Layout.TryDetachView(viewRecord.View);
views.Add(viewRecord.ViewHolder);
}
/// <summary>
/// Detach view that was visible and send it to the cache.
/// </summary>
public void DetachAndCacheView(View view, RecyclerView.Recycler recycler)
{
var holder = _owner.GetChildViewHolder(view) as UnoViewHolder;
var record = new ElementViewRecord(holder.LayoutPosition, holder);
Layout.TryDetachView(view);
SendToIntermediateCache(recycler, record);
}
/// <summary>
/// Send view that was unbuffered or scrolled out of view to the intermediate cache.
/// </summary>
private void SendToIntermediateCache(RecyclerView.Recycler recycler, ElementViewRecord viewRecord)
{
if (viewRecord.IsEmpty)
{
if (this.Log().IsEnabled(Microsoft.Extensions.Logging.LogLevel.Debug))
{
this.Log().Debug("Discarding empty record.");
}
return;
}
var isGenerated = (viewRecord.View as ContentControl)?.IsGeneratedContainer ?? false;
if (!isGenerated)
{
// If it's not a generated container then it must be an item that returned true for IsItemItsOwnContainerOverride (eg an
// explicitly-defined ListViewItem), and shouldn't be recycled for a different item.
Layout.RemoveView(viewRecord.View);
return;
}
NotifyViewRecycled(viewRecord.ViewHolder);
// Send to intermediate cache
var views = _intermediateCache.FindOrCreate(viewRecord.ViewHolder.ItemViewType, () => new List <UnoViewHolder>());
if (!viewRecord.ViewHolder.IsRecyclable)
{
//Item is probably animating, we throw it back to the recycler rather than just detaching it to prevent the following error: "java.lang.IllegalArgumentException: Tmp detached view should be removed from RecyclerView before it can be recycled"
Layout.RemoveAndRecycleView(viewRecord.View, recycler);
return;
}
Layout.TryDetachView(viewRecord.View);
views.Add(viewRecord.ViewHolder);
}
