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using System.Runtime.CompilerServices;
namespace Xamarin.Forms.Platform.Tizen.Native
{
internal static class BatchableExtensions
{
static readonly ConditionalWeakTable<IBatchable, BatchCount> s_counters = new ConditionalWeakTable<IBatchable, BatchCount>();
public static void BatchBegin(this IBatchable target)
{
BatchCount value = null;
if (s_counters.TryGetValue(target, out value))
{
value.Count++;
}
else
{
s_counters.Add(target, new BatchCount());
}
}
public static void BatchCommit(this IBatchable target)
{
BatchCount value = null;
if (s_counters.TryGetValue(target, out value))
{
value.Count--;
if (value.Count == 0)
{
target.OnBatchCommitted();
}
else if (value.Count < 0)
{
Log.Error("Called BatchCommit() without BatchBegin().");
value.Count = 0;
}
}
else
{
Log.Error("Called BatchCommit() without BatchBegin().");
}
}
public static bool IsBatched(this IBatchable target)
{
BatchCount value = null;
if (s_counters.TryGetValue(target, out value))
{
return value.Count != 0;
}
else
{
return false;
}
}
class BatchCount
{
public int Count = 1;
}
}
}
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