public void Add(LanUser user)
{
UserListItem item = new UserListItem();
item.User = user;
this.Items.Add(item);
}
protected override void OnDrawItem(UI.DrawItemEventArgs args)
{
args.DrawBackground();
UserListItem userListItem = args.Item as UserListItem;
Graphics g = args.Graphics;
g.SmoothingMode = System.Drawing.Drawing2D.SmoothingMode.HighQuality;
Rectangle rect = userListItem.Bounds;
//头像
int x = rect.X + MARGIN;
int y = rect.Y + (rect.Height - ICON_WIDTH) / 2;
g.DrawImage(ProfilePhotoPool.GetPhoto(userListItem.User.ID), x, y, ICON_WIDTH, ICON_WIDTH);
//在线状态
Brush brush = new SolidBrush(Color.Gray);
if (userListItem.User.Status == UserStatus.Online)
{
brush = new SolidBrush(Color.Green);
}
else if (userListItem.User.Status == UserStatus.Offline)
{
brush = new SolidBrush(Color.Gray);
}
else if (userListItem.User.Status == UserStatus.Busy)
{
brush = new SolidBrush(Color.Crimson);
}
g.FillEllipse(brush, x + ICON_WIDTH - 8, y + ICON_WIDTH - 8, 10, 10);
g.DrawEllipse(new Pen(Color.White, 1.0f), x + ICON_WIDTH - 8, y + ICON_WIDTH - 8, 11, 11);
//昵称
x += ICON_WIDTH + MARGIN;
Rectangle commandRect = new Rectangle(new Point(x, y), new Size(rect.Width - ICON_WIDTH - 3 * MARGIN, rect.Height - MARGIN));
TextRenderer.DrawText(g, userListItem.User.NickName,
args.Font, commandRect, Color.FromArgb(0, 0, 0), TextFormatFlags.Left | TextFormatFlags.Top);
//IP
string ip = "";
if (userListItem.User.IP != null)
{
ip = userListItem.User.IP.ToString();
}
TextRenderer.DrawText(g, ip,
args.Font, commandRect, Color.FromArgb(150, 150, 150), TextFormatFlags.Right | TextFormatFlags.Top);
if (userListItem.UnreadMessageCount != 0)
{
TextRenderer.DrawText(g, userListItem.UnreadMessageCount.ToString(),
args.Font, rect, Color.Red, TextFormatFlags.Right | TextFormatFlags.Bottom);
}
}
internal void UpdateItemOnSendMessage(Store.Models.Message message)
{
UserListItem userItem = this[message.ToUserId];
//移动到第一个
if (this.Items[0] != userItem)
{
this.Items.Remove(userItem);
this.Items.Insert(0, userItem);
}
}
public void SetMessageResult(string fromUserId, string toUserId, long id, bool success)
{
string userItemId = fromUserId;
if (fromUserId == this.OwnerUser.ID)
{
//如果是我自己，那么则是发送消息
if (success)
{
//发送时就按照默认成功的，发送成功的消息可以忽略了
return;
}
userItemId = toUserId;
}
UserListItem userItem = this[userItemId];
UserChatControl chatCtrl = userItem.ChatControl;
MessageListItem item = null;
if (chatCtrl == null)
{
//如果还没表示则取出来
item = userItem.GetWaitDisplayMessageItem(id);
}
else
{
item = chatCtrl.GetMessageItem(id);
}
Store.Models.Message m = item.Message;
m.Flag = success;
item.Update();
if (chatCtrl != null && userItemId == this.SelectedUser.ID)
{
//当前表示着，更新
chatCtrl.Invalidate();
}
}
private void AddMessageListItem(LanUser from, MessageListItem item)
{
UserListItem userItem = this[from.ID];
bool bRefresh = false;
if (this.SelectedUser == null || from.ID != this.SelectedUser.ID)
{
//不是当前用户则增加未读数
userItem.UnreadMessageCount++;
bRefresh = true;
}
//移动到第一个
if (this.Items[0] != userItem)
{
this.Items.Remove(userItem);
this.Items.Insert(0, userItem);
bRefresh = true;
}
if (bRefresh)
{
this.Invalidate(userItem.Bounds);
}
UserChatControl chatCtrl = userItem.ChatControl;
if (chatCtrl == null)
{
//如果还没表示则先缓存一下
userItem.WaitDisplayMessages.Add(item);
}
else
{
chatCtrl.AddMessageItem(item, userItem.UserID == from.ID);
}
}
public void AddOrUpdateUser(LanUser user, UpdateState updateState)
{
if (this.ContainsUser(user))
{
UserListItem item = this[user.ID];
if ((updateState & UpdateState.NickName) != 0)
{
item.Update();
}
this.Invalidate(item.Bounds);
UserChatControl chatControl = item.ChatControl;
if (chatControl != null)
{
chatControl.Contacter = user;
chatControl.SendMessageEnabled = (user.Status != UserStatus.Offline);
}
if (this.SelectedUser != null && this.SelectedUser.ID == user.ID)
{
//当前刚好表示着聊天记录则更新
if (chatControl != null)
{
chatControl.RefreshMessageList(null);
}
}
}
else
{
UserListItem item = new UserListItem(user);
item.Save();
this.Items.Add(item);
}
}
public void SetFileTransportProgress(TransportFile file)
{
UserListItem userItem = this[file.MAC];
UserChatControl chatCtrl = userItem.ChatControl;
MessageListItem item = null;
if (chatCtrl == null)
{
//如果还没表示则取出来
item = userItem.GetWaitDisplayMessageItem(file.ID);
}
else
{
item = chatCtrl.GetMessageItem(file.ID);
}
item.FileTransportedLength = file.TransportedLength;
item.FileTransportedSpeed = file.TransportedSpeed;
item.Progress = file.Progress;
if (file.Progress == 100)
{
//传输完毕
Store.Models.Message m = item.Message;
m.Flag = true;
item.Update();
item.State = MessageState.Received;
}
if (chatCtrl != null && file.MAC == this.SelectedUser.MAC)
{
//当前表示着，更新
chatCtrl.RefreshMessageList(item);
}
}