private void generateDateHeaders(IList <MessageData> messages)
{
for (int i = 0; i < messages.Count; i++)
{
MessageData message = messages[i];
this.items.Add(new Wrapper(this, message));
if (messages.Count > i + 1)
{
MessageData nextMessage = messages[i + 1];
if (!DateFormatter.IsSameDay(message.CreatedAt, nextMessage.CreatedAt))
{
var dateMessage = new MessageData {
CreatedAt = message.CreatedAt, Type = MessageData.DataType.Date
};
this.items.Add(new Wrapper(this, dateMessage));
}
}
else
{
var dateMessage = new MessageData {
CreatedAt = message.CreatedAt, Type = MessageData.DataType.Date
};
this.items.Add(new Wrapper(this, dateMessage));
}
}
}
//JAVA TO C# CONVERTER TODO TASK: Most Java annotations will not have direct .NET equivalent attributes:
//ORIGINAL LINE: @SuppressWarnings("unchecked") private boolean isPreviousSameDate(int position, java.util.Date dateToCompare)
private bool isPreviousSameDate(int position, DateTime dateToCompare)
{
if (items.Count <= position)
{
return(false);
}
if (items[position].item is IMessage)
{
DateTime previousPositionDate = ((MessageData)items[position].item).CreatedAt;
return(DateFormatter.IsSameDay(dateToCompare, previousPositionDate));
}
else
{
return(false);
}
}
/// <summary>
/// Adds messages list in chronological order. Use this method to add history.
/// </summary>
/// <param name="messages"> messages from history. </param>
/// <param name="reverse"> {@code true} if need to reverse messages before adding. </param>
public virtual void addToEnd(IList <MessageData> messages, bool reverse)
{
if (reverse)
{
messages = messages.Reverse().ToList();
}
if (items.Count > 0)
{
int lastItemPosition = items.Count - 1;
DateTime lastItem = items[lastItemPosition].item.CreatedAt;
if (DateFormatter.IsSameDay(messages[0].CreatedAt, lastItem))
{
items.RemoveAt(lastItemPosition);
NotifyItemRemoved(lastItemPosition);
}
}
int oldSize = items.Count;
generateDateHeaders(messages);
NotifyItemRangeInserted(oldSize, items.Count - oldSize);
}