public void OwnerRemoved(User user)
{
if (RemoveUser(user))
{
AddUser(user);
Update();
}
}
public Bitmap GetUserIcon(User user)
{
if (iconCache.Contains(user.Id))
{
var icon = iconCache[user.Id] as Bitmap;
if (icon != null)
return icon;
}
user.GetIcon().ThenOnUI(image => {
var policy = new CacheItemPolicy {
SlidingExpiration = TimeSpan.FromMinutes (60)
};
iconCache.Set(user.Id, image, policy);
foreach (var channel in this.Channels)
{
if (channel.Users.Any(r => r.Id == user.Id))
{
channel.TriggerUserIconChanged(new UserImageEventArgs(user, DateTimeOffset.Now, image));
}
}
});
return User.DefaultUserIcon;
}
public abstract void StartChat(User user);
public UsernameChangedEventArgs(string oldName, User user, DateTimeOffset when)
: base (user, when)
{
this.OldUsername = oldName;
}
bool RemoveUser(User user)
{
return RemoveUser(user.Id);
}
void AddUser(User user)
{
var isOwner = Channel.Owners.Contains(user.Id);
TreeItem item = isOwner ? owners : user.Active ? online : away;
item.Children.Add(CreateItem(user));
}
public void UserJoined(User user)
{
RemoveUser(user);
AddUser(user);
Update();
}
TreeItem CreateItem(User user)
{
return new TreeItem { Text = user.Name, Key = user.Id, Tag = user, Image = Channel.Server.GetUserIcon(user) };
}
public void UserLeft(User user)
{
RemoveUser(user);
Update();
}
public void UsernameChanged(string oldUserId, User user)
{
if (RemoveUser(oldUserId))
{
AddUser(user);
}
Update();
}
public void UserIconChanged(User user, Image image)
{
var item = FindUserItem(user) as TreeItem;
if (item != null)
{
item.Image = image;
//tree.RefreshData ();
tree.RefreshItem(item);
}
}
ITreeItem FindUserItem(User user)
{
var item = owners.Children.FirstOrDefault(r => r.Key == user.Id);
if (item != null)
return item;
item = online.Children.FirstOrDefault(r => r.Key == user.Id);
if (item != null)
return item;
item = away.Children.FirstOrDefault(r => r.Key == user.Id);
if (item != null)
return item;
return null;
}
public UserImageEventArgs(User user, DateTimeOffset when, Image image)
: base (user, when)
{
this.Image = image;
}
public UserEventArgs(User user, DateTimeOffset when)
{
this.User = user;
this.When = when;
}
public UserChannelEventArgs(User user, Channel channel)
{
this.User = user;
this.Channel = channel;
}
