/// <summary>
/// Set's avatar for a user in the list.
/// </summary>
/// <param name="friend">username of the user we want to set avatar to</param>
/// <param name="avatar">avatar to set</param>
public void SetAvatar(string friend, Texture avatar)
{
foreach (FriendListItem.FriendItemData friendData in Data)
{
if (friendData.Name.Equals(friend))
{
friendData.Avatar = avatar;
break;
}
}
RecyclableList.NotifyDataChanged();
}
public void IncrementUnreadCount(string friend)
{
foreach (FriendListItem.FriendItemData friendData in Data)
{
if (friendData.Name.Equals(friend))
{
friendData.UnreadMessages++;
break;
}
}
RecyclableList.NotifyDataChanged();
}
/// <summary>
/// Change status of a user in the list.
/// </summary>
/// <param name="friend">username of the user we want to change status</param>
/// <param name="newStatus">new status of the user</param>
public void ChangeStatus(string friend, Status newStatus)
{
int index = Data.FindIndex(data => data.Name == friend);
if (index < 0)
{
return;
}
var changedData = Data[index];
var oldStatus = changedData.Status;
changedData.Status = newStatus;
if (oldStatus != Status.Offline && newStatus == Status.Offline)
{
// if friend went offline we roll every online friend that's after them
// in the list 1 place forward until we reach offline friend or end of the list
for (int i = index; i < Data.Count; i++)
{
if (i + 1 == Data.Count || Data[i + 1].Status == Status.Offline)
{
Data[i] = changedData;
break;
}
Data[i] = Data[i + 1];
}
}
else if (oldStatus == Status.Offline && newStatus != Status.Offline)
{
// if user came online we roll every offline friend in front of him 1 place behind
// until we reach first online friend of beginning of the list
for (int i = index; i >= 0; i--)
{
if (i == 0 || Data[i - 1].Status != Status.Offline)
{
Data[i] = changedData;
break;
}
Data[i] = Data[i - 1];
}
}
RecyclableList.NotifyDataChanged();
}