unit FirstAid;

interface

uses
  Windows, Messages, SysUtils, Classes,
  Graphics, Controls, Forms, Dialogs,
  StdCtrls, NMUDP, Menus;

type
  TFirstAidDlg = class(TForm)
    Label1: TLabel;
    edUserId: TEdit;
    Label2: TLabel;
    edPasskey: TEdit;
    UserList: TListBox;
    btnLogon: TButton;
    btnLogoff: TButton;
    btnReadFriend: TButton;
    btnDeleteFriend: TButton;
    UDPSock: TNMUDP;
    lbStatus: TLabel;
    btnName: TButton;
    SaveDlg: TSaveDialog;
    PopupMenu1: TPopupMenu;
    mClear: TMenuItem;
    mSave: TMenuItem;
    procedure FormCreate(Sender: TObject);
    procedure btnLogonClick(Sender: TObject);
    procedure UDPSockDataReceived(Sender: TComponent; NumberBytes: Integer;
      FromIP: String; Port: Integer);
    procedure btnLogoffClick(Sender: TObject);
    procedure btnReadFriendClick(Sender: TObject);
    procedure btnNameClick(Sender: TObject);
    procedure btnDeleteFriendClick(Sender: TObject);
    procedure mClearClick(Sender: TObject);
    procedure mSaveClick(Sender: TObject);
  private
    { Private declarations }
    FMsgId:WORD;
  public
    { Public declarations }
    class procedure Execute;
  end;

implementation

{$R *.DFM}
uses OICQPack;
{ TFirstAidDlg }

class procedure TFirstAidDlg.Execute;
begin
with TFirstAidDlg.Create(Application) do
    begin
    ShowModal;
    Free;
    end;
end;

procedure TFirstAidDlg.FormCreate(Sender: TObject);
begin
FMsgId:=$0a;
end;

procedure TFirstAidDlg.btnLogonClick(Sender: TObject);
var
buf:array [0..2048] of char;
i:Integer;
begin
i:=BuildLogonPack(buf,2048,FMsgId,edUserId.Text,edPasskey.Text);
UDPSock.SendBuffer(buf,i);
Inc(FMsgId);
end;

procedure TFirstAidDlg.UDPSockDataReceived(Sender: TComponent;
  NumberBytes: Integer; FromIP: String; Port: Integer);
var
buf:array [0..4096] of char;
buflen:Integer;
uid,uname:string;
begin
buflen:=4096;
UDPSock.ReadBuffer(buf,buflen);
case buf[4] of
    Chr(OICQ_CMD_PING):
        begin
        buflen:=BuildPingPack(buf,4096,FMsgId,edUserId.Text);
        UDPSock.SendBuffer(buf,buflen);
        Inc(FMsgId);
        end;
    Chr(OICQ_CMD_LOGON):
        begin
        lbStatus.Caption:='在線';
        btnLogoff.Enabled:=True;
        btnReadFriend.Enabled:=TRUE;
        btnDeleteFriend.Enabled:=True;
        btnName.Enabled:=True;
        edUserId.Enabled:=False;
        edPasskey.Enabled:=False;
        end;
    Chr(OICQ_CMD_GETUSERINFO):
        begin
        ParseUserInfo(buf,buflen,uid,uname);
        ShowMessage(uid+'='+uname);
        end;
    Chr(OICQ_CMD_GETFRIENDLIST):
        begin
        if(UserList.Items.Count>0)then UserList.Items.Clear;
        ParseFriendList(buf,buflen,UserList.Items);
        end;
    Chr(OICQ_CMD_REMOVEFRIEND):
        begin
        ShowMessage('Remove ok');
        end;
    end;
end;

procedure TFirstAidDlg.btnLogoffClick(Sender: TObject);
var
buf:array [0..2048] of char;
i:Integer;
begin
i:=BuildLogoffPack(buf,2048,FMsgId,edUserId.Text,edPasskey.Text);
UDPSock.SendBuffer(buf,i);
Inc(FMsgId);
btnLogoff.Enabled:=False;
btnReadFriend.Enabled:=False;
btnDeleteFriend.Enabled:=False;
btnName.Enabled:=False;
edUserId.Enabled:=True;
edPasskey.Enabled:=True;
lbStatus.Caption:='離線';
end;

procedure TFirstAidDlg.btnReadFriendClick(Sender: TObject);
var
buf:array [0..2048] of char;
i:Integer;
begin
i:=BuildGetFriendListPack(buf,2048,FMsgId,edUserId.Text,edPasskey.Text);
UDPSock.SendBuffer(buf,i);
Inc(FMsgId);
end;

procedure TFirstAidDlg.btnNameClick(Sender: TObject);
var
buf:array [0..1024] of char;
i:integer;
id:string;
begin
id:=UserList.Items[UserList.ItemIndex];
i:=BuildGetUserInfoPack(buf,1024,FMsgId,edUserId.Text,id);
UDPSock.SendBuffer(buf,i);
Inc(FMsgId);
end;

procedure TFirstAidDlg.btnDeleteFriendClick(Sender: TObject);
var
buf:array [0..1024] of char;
i:Integer;
id:string;
begin
id:=UserList.Items[UserList.ItemIndex];
i:=BuildDeleteFriend(buf,1024,FMsgId,edUserId.Text,id);
UDPSock.SendBuffer(buf,i);
Inc(FMsgId);
end;

procedure TFirstAidDlg.mClearClick(Sender: TObject);
begin
UserList.Items.Clear;
end;

procedure TFirstAidDlg.mSaveClick(Sender: TObject);
begin
if(SaveDlg.Execute)then
    begin
    UserList.Items.SaveToFile(SaveDlg.FileName);
    end;
end;

end.