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FormMain.cs
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using SpecialEnumeration;
using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.IO;
using System.Net;
using System.Threading;
using System.Windows.Forms;
using System.Xml;
using System.Diagnostics;
namespace UChat
{
public partial class FormMain : Form
{
/// <summary>
/// 这是一个声明的 formmain 对象，在本窗口的构造函数中已经将它与本窗口联系在一起。
/// </summary>
public static FormMain formMain;
/// <summary>
/// formmain 的构造函数。
/// </summary>
public FormMain()
{
InitializeComponent();
formMain = this;//把这两个东西联系起来。
ThreadsList = new List<Thread>(); //初始化线程列表
//启用双缓冲，减少窗口控件闪烁
this.DoubleBuffered = true;//设置本窗体
SetStyle(ControlStyles.UserPaint, true);
SetStyle(ControlStyles.AllPaintingInWmPaint, true); // 禁止擦除背景.
SetStyle(ControlStyles.DoubleBuffer, true); // 双缓冲
}
TCPFileTransfer.TaskCompletionStatus FTRResult;
/// <summary>
/// 一个集合了本程序所有线程的队列，便于程序关闭时结束所有线程。
/// </summary>
/// <returns></returns>
private List<Thread> ThreadsList;
/// <summary>
/// 一个保存局域网活动主机的表格。表头为 UID - Name - IP。
/// </summary>
public static DataTable LANtable = new DataTable();
/// <summary>
/// 初始化 LAN 表。
/// </summary>
private void InitLANTable()
{
LANtable.Columns.Add("UID", typeof(string));
LANtable.Columns.Add("Name", typeof(string));
LANtable.Columns.Add("IP", typeof(string));
DataColumn[] primaryColumns = new DataColumn[1];
primaryColumns[0] = LANtable.Columns["UID"];
LANtable.PrimaryKey = primaryColumns;
//为 LANtable 绑定事件，当发生改变时更新好友列表
LANtable.RowDeleted += new DataRowChangeEventHandler(LANtableRowChanged);
LANtable.RowChanged += new DataRowChangeEventHandler(LANtableRowChanged);
}
/// <summary>
/// 修改 LAN 表。
/// </summary>
public void UpdateLANTable(string uid, string name, string ip, string status)
{
if (status == "UP")//状态字是上线
{
if (IsUIDExist(uid) == false)//表里没有这条佬，加进去
{
DataRow dataRow = LANtable.NewRow();
dataRow["UID"] = uid;
dataRow["Name"] = name;
dataRow["IP"] = ip;
LANtable.Rows.Add(dataRow);
}
}
else//下线
{
//删掉下线那只佬
DeleteUID(uid);
LockInput(uid);
}
}
/// <summary>
/// 遍历查找指定 UID 是否存在。
/// </summary>
/// <param name="uid"></param>
/// <returns></returns>
private bool IsUIDExist(string uid)
{
foreach (DataRow dataRow in LANtable.Rows)
{
if (dataRow[0].ToString() == uid)
{
return true;
}
}
return false;
}
/// <summary>
/// 遍历查找指定 UID 的对应 IP。
/// </summary>
/// <param name="uid"></param>
/// <returns></returns>
public string UIDtoIP(string uid)
{
foreach (DataRow dataRow in LANtable.Rows)
{
if (dataRow[0].ToString() == uid)
{
return dataRow[2].ToString();//返回IP
}
}
return "";
}
/// <summary>
/// 遍历查找指定 UID 的对应名字。
/// </summary>
/// <param name="uid"></param>
/// <returns></returns>
public string UIDtoName(string uid)
{
foreach (DataRow dataRow in LANtable.Rows)
{
if (dataRow[0].ToString() == uid)
{
return dataRow[1].ToString();//返回名字
}
}
return "";
}
/// <summary>
/// 删除指定 UID 所在的表格行。
/// </summary>
/// <param name="uid"></param>
private void DeleteUID(string uid)
{
int count = LANtable.Rows.Count;
for (int i = count - 1; i >= 0; i--)//使用倒序检索并删除
{
if (LANtable.Rows[i][0].ToString() == uid)
{
LANtable.Rows.RemoveAt(i);
break;
}
}
}
/// <summary>
/// 检测下线的人是不是正在聊天的人。如果是，锁定输入。
/// </summary>
/// <param name="uid"></param>
private void LockInput(string uid)
{
if (uid == CommonFoundations.RemoteUID)
{
ForbidInput(true);
CommonFoundations.RemoteIP = "";
CommonFoundations.RemoteName = "";
CommonFoundations.RemoteUID = "";
}
}
/// <summary>
/// 当 LANTable 被更改后，需要调用此事件处理以更新局域网列表。
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private static void LANtableRowChanged(object sender, DataRowChangeEventArgs e)
{
formMain.UpdateLANList();
}
/// <summary>
/// 根据 LANtable 的内容更新局域网列表。支持跨线程。
/// </summary>
private void UpdateLANList()
{
if (panelEmpty.InvokeRequired == false)
{
ClearFriendList();
int count = LANtable.Rows.Count;
if (count == 0)//表格数为0，就是没人上线
{
panelEmpty.Visible = true;//显示空图标
}
else//有人上线
{
panelEmpty.Visible = false;
panels = new Panel[count];
for (int i = 0; i < count; i++)
{
CreatePanels(ref panels[i], LANtable.Rows[i][0].ToString(), LANtable.Rows[i][1].ToString(), i);//重新生成列表
SetDouble(panels[i]);//设置双缓冲
}
}
}
else
{
Action dG_NoParaAndNoReturn = new Action(UpdateLANList);
panelEmpty.Invoke(dG_NoParaAndNoReturn);
}
}
/// <summary>
/// 清空局域网列表。支持跨线程。
/// </summary>
/// <param name="panel"></param>
private void ClearFriendList()
{
if (formMain.panelEmpty.InvokeRequired == false)
{
//panelFriendsBar 清空前需要解绑 panelEmpty，不然会被一起清掉
panelEmpty.Parent = this;
panelLANBar.Controls.Clear();
panelEmpty.Parent = panelLANBar;
}
else
{
Action dG_NoParaAndNoReturn = new Action(ClearFriendList);
panelEmpty.Invoke(dG_NoParaAndNoReturn);
}
}
public static Color enterColor = Color.FromArgb(100, 100, 100);//好友列表鼠标进入的颜色
public static Color downColor = Color.FromArgb(65, 65, 65);//好友列表鼠标按下的颜色
/// <summary>
/// 其中每个 panel 的名字应该以 panel + UID 作为命名。
/// </summary>
public static Panel[] panels;
/// <summary>
/// 为窗口的所有控件实现双缓冲。
/// </summary>
private void ControlsDoubleBuffered()
{
SetDouble(this);
#region
SetDouble(buttonDetail);
SetDouble(buttonMenu);
SetDouble(buttonLAN);
SetDouble(buttonSetting);
SetDouble(buttonExit2);
SetDouble(buttonMin);
SetDouble(buttonFiles);
SetDouble(buttonSendM);
SetDouble(buttonScrollToTheBottom);
SetDouble(buttonSelectFile);
SetDouble(buttonRefuse);
SetDouble(buttonAcceptFTR);
SetDouble(buttonCancelFTR);
SetDouble(buttonConfirmChange);
SetDouble(buttonCancelChange);
SetDouble(buttonChangeName);
SetDouble(buttonChangePW);
SetDouble(buttonClearData);
SetDouble(buttonCancelChangePW);
SetDouble(buttonSavePW);
SetDouble(buttonEnableQSI);
SetDouble(buttonRechooseFolder);
SetDouble(buttonOpenFolder);
SetDouble(buttonRefuse2);
SetDouble(buttonCover);
SetDouble(buttonRechooseFolder);
SetDouble(button1);
SetDouble(labelEmptyText);
SetDouble(label4);
SetDouble(label5);
SetDouble(label3);
SetDouble(label6);
SetDouble(labelAlert);
SetDouble(labelForbid);
SetDouble(labelNameIndicator);
SetDouble(label6);
SetDouble(labelWaiting);
SetDouble(labelPercent);
SetDouble(label8);
SetDouble(label9);
SetDouble(label10);
SetDouble(label12);
SetDouble(label11);
SetDouble(label13);
SetDouble(label14);
SetDouble(label15);
SetDouble(label16);
SetDouble(label17);
SetDouble(label18);
SetDouble(label19);
SetDouble(label20);
SetDouble(labelError);
SetDouble(label21);
SetDouble(label22);
SetDouble(labelSpeed);
SetDouble(labelProgress);
SetDouble(label24);
SetDouble(label23);
SetDouble(label25);
SetDouble(panel2);
SetDouble(panelLANBar);
SetDouble(panelSideBar);
SetDouble(panelTips);
SetDouble(panelConfirm);
SetDouble(panelPercent);
SetDouble(panelSetting);
SetDouble(panelChangeName);
SetDouble(panelInfo);
SetDouble(panelLANBarTitle);
SetDouble(panelChangePW);
SetDouble(panelSameFile);
SetDouble(pictureBoxTips);
SetDouble(pictureBoxEmptyIcon);
SetDouble(pictureBox1);
SetDouble(progressBar1);
SetDouble(richTextBoxChat);
SetDouble(textBoxUID);
SetDouble(textBoxIP);
SetDouble(textBoxName);
SetDouble(textBoxInput);
SetDouble(textBoxChangeName);
SetDouble(textBoxInfoUID);
SetDouble(textBoxInfoIP);
SetDouble(textBoxInfoName);
SetDouble(textBoxNewPW);
SetDouble(textBoxOldPW);
SetDouble(textBoxNewPWRepeat);
#endregion
}
/// <summary>
/// 文件传输线程
/// </summary>
public Thread TCPFileSendThread;
private void FormMain_Load(object sender, EventArgs e)
{
HostInfo hostInfo = new HostInfo();
if (hostInfo.IPv4Address.ToString() == "0.0.0.0")//没有网
{
panelNoConnection.Visible = true;
panelNoConnection.BringToFront();
}
else
{
///UDP监听线程
UDP uDP = new UDP();
Thread UDPListenThread = new Thread(uDP.UDPMessageListener);
ThreadsList.Add(UDPListenThread); //将新建的线程加入到线程队列中，以便在窗体结束时关闭所有的线程
UDPListenThread.Start();
//TCP消息监听线程
TCP tCP = new TCP();
Thread TCPMessageListenThread = new Thread(tCP.TCPMessageListener);
ThreadsList.Add(TCPMessageListenThread); //将新建的线程加入到线程队列中，以便在窗体结束时关闭所有的线程
TCPMessageListenThread.Start();
InitLANTable();//初始化局域网表格
uDP.OnlineMessageSend(IPAddress.Broadcast, ReplyStatus.NeedReply, OnlineStatus.Online);//上线广播
ControlsDoubleBuffered();
MouseDownDragMove();
buttonSendM.Enabled = false;
textBoxInfoUID.Text = CommonFoundations.HostUID;
textBoxInfoIP.Text = hostInfo.IPv4Address.ToString();
textBoxInfoName.Text = CommonFoundations.HostName;
panelLANBar.BringToFront();
panelLANBarTitle.BringToFront();
panelSideBar.BringToFront();
if (File.Exists(CommonFoundations.QuickSignIn_Path) == true)//快捷登录文件存在，把设置页面的快捷登录勾上
{
buttonEnableQSI.BackColor = CommonFoundations.MainBlue;
}
else
{
buttonEnableQSI.BackColor = CommonFoundations.DarkBlue;
}
}
}
/// <summary>
/// 暂时缓存当前聊天对象的信息，同时在个人信息框显示对面的个人信息
/// </summary>
private void SaveTemp(string uid)
{
foreach (DataRow dataRow in LANtable.Rows)
{
if (dataRow[0].ToString() == uid)
{
CommonFoundations.RemoteUID = uid;
CommonFoundations.RemoteName = dataRow[1].ToString();
CommonFoundations.RemoteIP = dataRow[2].ToString();
formMain.textBoxUID.Text = uid;
formMain.textBoxName.Text = dataRow[1].ToString();
formMain.textBoxIP.Text = dataRow[2].ToString();
break;
}
}
}
/// <summary>
/// 处理本机发送的消息。
/// </summary>
private void HandleMyMessage(string message)
{
//向聊天框中追加文本，并记录文本的起始位置
int countBefore = richTextBoxChat.TextLength;
richTextBoxChat.AppendText("我 " + DateTime.Now.ToLocalTime().ToString() + "\n");
richTextBoxChat.AppendText(message + "\n");
richTextBoxChat.AppendText("\n");
int countAfter = richTextBoxChat.TextLength;
//更改文本的颜色和右对齐
richTextBoxChat.Select(countBefore, countAfter - countBefore);
richTextBoxChat.SelectionAlignment = HorizontalAlignment.Right;
richTextBoxChat.SelectionColor = CommonFoundations.MyTextColor;
richTextBoxChat.Select(0, 0);
ScrollToTheBottom();//滚到底部
///TCP发送聊天信息格式：我方17位UID + 要发送的消息
string carrier = CommonFoundations.HostUID + message;
TCP tCP = new TCP();
tCP.TCPMessageSender(CommonFoundations.RemoteIP, carrier, 50012);//将消息通过TCP发送到对方
richTextBoxChat.SaveFile(CommonFoundations.history_Path_Slash + CommonFoundations.RemoteUID + "/" + "history.uch");//保存聊天文件
}
/// <summary>
/// 处理正在聊天的对面发送的消息。支持跨线程调用。
/// </summary>
public void HandleYouMessage(string message)
{
if (formMain.richTextBoxChat.InvokeRequired == false)//判断和窗口主线程是否是同一线程，是就正常用，否则需要代理
{
//向聊天框中追加文本，并记录文本的起始位置
int countBefore = richTextBoxChat.TextLength;
richTextBoxChat.AppendText(CommonFoundations.RemoteName + " " + DateTime.Now.ToLocalTime().ToString() + "\n");
richTextBoxChat.AppendText(message + "\n");
richTextBoxChat.AppendText("\n");
int countAfter = richTextBoxChat.TextLength;
richTextBoxChat.Select(countBefore, countAfter - countBefore);
richTextBoxChat.SelectionAlignment = HorizontalAlignment.Left;
richTextBoxChat.SelectionColor = CommonFoundations.YourTextColor;
richTextBoxChat.Select(0, 0);
richTextBoxChat.SelectionStart = richTextBoxChat.TextLength; ;
richTextBoxChat.ScrollToCaret();
richTextBoxChat.Select(0, 0);
ScrollToTheBottom();
richTextBoxChat.SaveFile(CommonFoundations.history_Path_Slash + CommonFoundations.RemoteUID + "/" + "history.uch");//保存聊天文件
}
else//跨线程调用窗口控件需要invoke
{
Action<string> dG_HandleYouMessage = new Action<string>(HandleYouMessage);
formMain.richTextBoxChat.Invoke(dG_HandleYouMessage, message);
}
}
/// <summary>
/// 向聊天框追加未读消息。
/// </summary>
/// <param name="date"></param>
/// <param name="message"></param>
private void AddUnreadMessage(string date, string message)
{
//向聊天框中追加文本，并记录追加文本的起始和终止位置
int countBefore = richTextBoxChat.TextLength;
richTextBoxChat.AppendText(CommonFoundations.RemoteName + " " + date + "\n");
richTextBoxChat.AppendText(message + "\n");
richTextBoxChat.AppendText("\n");
int countAfter = richTextBoxChat.TextLength;
//由起始位置选中追加文本，更改对齐和颜色
richTextBoxChat.Select(countBefore, countAfter - countBefore);
richTextBoxChat.SelectionAlignment = HorizontalAlignment.Left;
richTextBoxChat.SelectionColor = CommonFoundations.YourTextColor;
richTextBoxChat.Select(0, 0);
richTextBoxChat.SelectionStart = richTextBoxChat.TextLength;
richTextBoxChat.ScrollToCaret();
richTextBoxChat.Select(0, 0);
ScrollToTheBottom();
richTextBoxChat.SaveFile(CommonFoundations.history_Path_Slash + CommonFoundations.RemoteUID + "/" + "history.uch");//保存聊天文件
}
/// <summary>
/// 把聊天框滚到底部。
/// </summary>
private void ScrollToTheBottom()
{
richTextBoxChat.SelectionStart = richTextBoxChat.TextLength;
richTextBoxChat.ScrollToCaret();
}
/// <summary>
/// 加载聊天历史记录。
/// </summary>
private void LoadHistory()
{
string chatHistoryFilePath = CommonFoundations.history_Path_Slash + CommonFoundations.RemoteUID + "/" + "history.uch";
if (File.Exists(chatHistoryFilePath) == true)//检查有没有历史记录，有就直接加载
{
richTextBoxChat.Clear();//清空高级文本框
richTextBoxChat.LoadFile(chatHistoryFilePath);
ScrollToTheBottom();
}
else
{
richTextBoxChat.Clear();//清空高级文本框
Directory.CreateDirectory(CommonFoundations.history_Path_Slash + CommonFoundations.RemoteUID);
}
}
/// <summary>
/// 读取未读消息。
/// </summary>
/// <param name="message"></param>
public void ReadUnread(string uid)
{
//定义那个人的未读消息文件路径
string xmlFilePath = CommonFoundations.history_Path_Slash + uid + "/unread.xml";
if (File.Exists(xmlFilePath) == true)//文件存在，直接打开，不存在就不管
{
DataSet dataSet = new DataSet();
dataSet.ReadXml(xmlFilePath);//读取xml为表格
int count = dataSet.Tables[0].Rows.Count;//获得未读消息总条数
for (int i = 0; i < count; i++)
{
AddUnreadMessage(dataSet.Tables[0].Rows[i][0].ToString(), dataSet.Tables[0].Rows[i][1].ToString());//逐条添加未读消息到框里
}
File.Delete(xmlFilePath);//卸磨杀驴，删掉未读消息文件
}
}
/// <summary>
/// 把未读消息写入某人的xml中。
/// </summary>
/// <param name="message"></param>
public void WriteUnread(string uid, string message)
{
Directory.CreateDirectory(CommonFoundations.history_Path_Slash + uid);
//定义那个人的未读消息文件路径
string xmlFilePath = CommonFoundations.history_Path_Slash + uid + "/unread.xml";
XmlDocument doc = new XmlDocument();
XmlElement root;
///未读消息结构：
///<history>
/// <subHistory>
/// <time></time>
/// <message></message>
/// </subHistory>
/// <subHistory>
/// <time></time>
/// <message></message>
/// </subHistory>
///</history>
if (File.Exists(xmlFilePath) == true)//文件存在，直接打开
{
doc.Load(xmlFilePath);
root = doc.DocumentElement;//获得文件的根节点
}
else//不存在，新建一个
{
XmlDeclaration dec = doc.CreateXmlDeclaration("1.0", "utf-8", null);//创建第一行
doc.AppendChild(dec);
root = doc.CreateElement("history");//创建根节点
doc.AppendChild(root);
}
XmlElement subHistory = doc.CreateElement("subHistory");//给根节点Books创建子节点
root.AppendChild(subHistory);//将book添加到根节点
//给Book1添加子节点
//时间
XmlElement time = doc.CreateElement("time");
time.InnerText = DateTime.Now.ToLocalTime().ToString();
subHistory.AppendChild(time);
//内容
XmlElement text = doc.CreateElement("message");
text.InnerText = message;
subHistory.AppendChild(text);
//todo：文件路径不存在
doc.Save(xmlFilePath); //保存
SwitchLabelUnreadVisble(uid, true);//提示未读消息
}
/// <summary>
/// 改变未读消息提示是否可见。
/// </summary>
/// <param name="uid"></param>
/// <param name="visible">是否可见？</param>
private void SwitchLabelUnreadVisble(string uid, bool visible)
{
foreach (Panel panel in panels)
{
if (panel.Name == "panel" + uid)//找到需要的panel
{
foreach (Control control in panel.Controls)//找未读消息提示条
{
if (control.Name == "labelUnread")
{
control.Visible = visible;//显示它
break;
}
}
break;
}
}
}
/// <summary>
/// 当正在聊天的对象突然下线时，调用此方法拒绝用户继续输入，以防触发 tcp 异常。
/// </summary>
/// <param name="isForbid">true 为禁用。</param>
private void ForbidInput(bool isForbid)
{
if (panelTips.InvokeRequired == false)
{
if (isForbid == true)
{
pictureBoxTips.BackgroundImage = Properties.Resources.下线;
labelNameIndicator.Text = "";
panelTips.BringToFront();
labelForbid.Visible = true;
buttonSendM.Enabled = false;
//隐藏文件传输和详细信息按钮
formMain.buttonFiles.Visible = false;
formMain.buttonDetail.Visible = false;
//关闭文件传输界面，返回局域网界面
ResetSendFileBarUI(false);
panelLANBar.BringToFront();
panelLANBarTitle.BringToFront();
panelSideBar.BringToFront();
buttonLAN.BackColor = CommonFoundations.MainBlue;
buttonFiles.BackColor = Color.Transparent;
}
else
{
panelTips.SendToBack();
buttonSendM.Enabled = true;
}
}
else
{
Action<bool> dG_ForbidInput = new Action<bool>(ForbidInput);
panelTips.Invoke(dG_ForbidInput, isForbid);
}
}
/// <summary>
/// 获取文件的大小。会根据大小自动添加合适的单位。
/// </summary>
/// <param name="filePath">文件的路径</param>
/// <returns></returns>
private string FileSize(string filePath)
{
double b = 1, kb = 1024 * b, mb = 1024 * kb, gb = 1024 * mb;//这里非常不严谨地用了小b
FileInfo fileInfo = new FileInfo(filePath);
double size = 0;
string size2 = "";
size = fileInfo.Length;
if (size > 1 && size <= 0.9 * kb)//小于900b单位为b
{
size2 = size.ToString("#0.00") + " B";
}
if (size > 0.9 * kb && size <= 0.9 * mb)//小于900kb单位为kb
{
size /= kb;
size2 = size.ToString("#0.00") + " KB";
}
if (size > 0.9 * mb && size <= 0.9 * gb)//小于900mb单位为mb
{
size /= mb;
size2 = size.ToString("#0.00") + " MB";
}
else//大于900mb均为GB
{
size /= gb;
size2 = size.ToString("#0.00") + " GB";
}
return size2;
}
/// <summary>
/// 获取文件的大小。会根据大小自动添加合适的单位。
/// </summary>
/// <param name="fileLength">文件的长度（以字节为单位）</param>
/// <returns></returns>
public string FileSize(long fileLength)
{
double b = 1, kb = 1000 * b, mb = 1000 * kb, gb = 1000 * mb;//这里非常不严谨地用了小b
double size = fileLength;
string size2 = "";
if (size > 1 && size <= 0.9 * kb)//小于900b单位为b
{
size2 = size.ToString("#0.00") + " B";
return size2;
}
if (size > 0.9 * kb && size <= 0.9 * mb)//小于900kb单位为kb
{
size /= kb;
size2 = size.ToString("#0.00") + " KB";
return size2;
}
if (size > 0.9 * mb && size <= 0.9 * gb)//小于900mb单位为mb
{
size /= mb;
size2 = size.ToString("#0.00") + " MB";
return size2;
}
else//大于900mb均为GB
{
size /= gb;
size2 = size.ToString("#0.00") + " GB";
return size2;
}
}
/// <summary>
/// 显示是否接受文件传输请求界面。
/// </summary>
public void ShowFileTransferConfirm(string uid, string fileName, string fileSize)
{
if (labelWaiting.InvokeRequired == false)
{
ClickFileButton();
timerFTTimeout.Enabled = true;
timerFTTimeout.Start();//超时计时器开始计时
string name = "";
//缓存文件信息
CommonFoundations.FileTransferTempData.FileFullName = fileName;
CommonFoundations.FileTransferTempData.FileLengthBytes = long.Parse(fileSize);
for (int i = 0; i < LANtable.Rows.Count; i++)//在局域网在线表寻找 uid 对应的 name 和 ip
{
if (LANtable.Rows[i][0].ToString() == uid)
{
name = LANtable.Rows[i][1].ToString();
CommonFoundations.FileTransferTempData.FRSourceIP = LANtable.Rows[i][2].ToString();//缓存对面IP
break;
}
}
string filesize2 = FileSize(long.Parse(fileSize));
this.BackColor = Color.FromArgb(255, 128, 0);
labelWaiting.Text = name + "想要发送\r\n\r\n" + fileName + "\r\n文件大小：" + filesize2 + "\r\n\r\n你想接受这个文件吗？";
labelWaiting.Visible = true;
panelConfirm.Visible = true;
buttonSelectFile.Visible = false;
labelTarget.Visible = false;
label6.Visible = false;
}
else
{
Action<string, string, string> dG_ShowFileTransferConfirm = new Action<string, string, string>(ShowFileTransferConfirm);
labelWaiting.Invoke(dG_ShowFileTransferConfirm, uid, fileName, fileSize);
}
}
/// <summary>
/// 刷新文件传输界面至初始状态。
/// </summary>
/// <param name="isBringToFront">若为 true ，更新时把界面置顶。</param>
private void ResetSendFileBarUI(bool isBringToFront)
{
if (label6.InvokeRequired == false)
{
progressBar1.Value = 0;
label6.Visible = true;
labelTarget.Visible = true;
buttonSelectFile.Visible = true;
labelWaiting.Visible = false;
panelConfirm.Visible = false;
buttonRefuse.Text = "拒绝(180)";
panelPercent.Visible = false;
panelSameFile.Visible = false;
if (isBringToFront == true)
{
panelFileBar.BringToFront();
panelSideBar.BringToFront();
buttonFiles.BackColor = CommonFoundations.MainBlue;
buttonLAN.BackColor = Color.Transparent;
}
else
{
}
labelTarget.Text = CommonFoundations.RemoteName;
}
else
{
Action<bool> dG_OneParaAndNoReturn = new Action<bool>(ResetSendFileBarUI);
label6.Invoke(dG_OneParaAndNoReturn);
}
}
/// <summary>
/// 提示文件传输的对方占线，导致无法传输。支持跨线程。
/// </summary>
public void BusyRemind()
{
if (labelWaiting.InvokeRequired == false)
{
NotificationSystem notificationSystem = new NotificationSystem();
notificationSystem.PushNotification("错误", "对方正处于另一个文件传输进程，请稍后重试。", NotificationSystem.PresetColors.WarningRed);
CommonFoundations.FileTransferTempData.ResetFTRTempData();
ResetSendFileBarUI(true);
this.BackColor = Color.FromArgb(0, 125, 236);
}
else
{
Action dG_NoParaAndNoReturn = new Action(BusyRemind);
labelWaiting.Invoke(dG_NoParaAndNoReturn);
}
}
/// <summary>
/// 提示文件传输的对方拒主动绝，导致无法传输。支持跨线程。
/// </summary>
public void RefuseRemind()
{
if (labelWaiting.InvokeRequired == false)
{
NotificationSystem notificationSystem = new NotificationSystem();
notificationSystem.PushNotification("注意", "对方拒绝了你的文件传输请求。", NotificationSystem.PresetColors.AttentionYellow);
CommonFoundations.FileTransferTempData.ResetFTRTempData();
ResetSendFileBarUI(false);
this.BackColor = Color.FromArgb(0, 125, 236);
}
else
{
Action dG_NoParaAndNoReturn = new Action(RefuseRemind);
labelWaiting.Invoke(dG_NoParaAndNoReturn);
}
}
private void ClickFileButton()
{
if (CommonFoundations.FileTransferTempData.FlieTransferAcceptLock == false)//文件锁没开，更新ui
{
ResetSendFileBarUI(true);
}
else
{
}
panelFileBar.BringToFront();
panelSideBar.BringToFront();
buttonFiles.BackColor = CommonFoundations.MainBlue;
buttonLAN.BackColor = Color.Transparent;
buttonSetting.BackColor = Color.Transparent;
}
/// <summary>
/// 退出程序。
/// </summary>
private void ExitProgram()
{
if (CommonFoundations.FileTransferTempData.FlieTransferAcceptLock == true)//文件传输时，不允许退出
{
NotificationSystem notificationSystem = new NotificationSystem();
notificationSystem.PushNotification("警告", "在文件传输时无法退出程序。若仍要退出，请取消文件传输任务后再尝试退出程序。", NotificationSystem.PresetColors.WarningRed);
}
else
{
UDP uDP = new UDP();
uDP.OnlineMessageSend(IPAddress.Broadcast, ReplyStatus.NoReplyRequired, OnlineStatus.Offline);
Environment.Exit(0);
}
}
/// <summary>
/// 提示用户文件传输完成，并完成收尾工作。
/// </summary>
private void FTROverProcessor()
{
if (panelLANBar.InvokeRequired == false)
{
timerPercent.Stop();
timerPercent.Enabled = false;
//做清理工作
CommonFoundations.FileTransferTempData.ResetFTRTempData();
ResetSendFileBarUI(false);
if (buttonFiles.Visible == false)
{
panelLANBar.BringToFront();
panelLANBarTitle.BringToFront();
panelSideBar.BringToFront();
buttonFiles.BackColor = CommonFoundations.MainBlue;
buttonLAN.BackColor = Color.Transparent;
}
}
else
{
Action action = new Action(FTROverProcessor);
panelLANBar.Invoke(action);
}
}
/// <summary>
/// 把秒数转换为格式化的字符串。自动加上时间单位。
/// </summary>
/// <param name="sec">总秒数</param>
/// <returns></returns>
private string SecToString(long sec)
{
if (sec <= 60)//小于1分钟
{
return sec.ToString() + " 秒";
}
else//大于1分钟，显示为分钟 + 秒。
{
long min = sec / 60;
long sec2 = sec % 60;
return min.ToString() + " 分钟 " + sec2.ToString() + " 秒";
}
}
/// <summary>
/// 拒绝文件传输。
/// </summary>
private void RefuseFTR()
{
timerFTTimeout.Stop();//超时计时器停止计时
timerFTTimeout.Enabled = false;
FileTransfer.FileTransferAnswerSender(AcceptStatus.RefuseByUser, CommonFoundations.FileTransferTempData.FRSourceIP);
CommonFoundations.FileTransferTempData.ResetFTRTempData();
ResetSendFileBarUI(false);
panelFileBar.SendToBack();
panelLANBar.BringToFront();
panelLANBarTitle.BringToFront();
panelSideBar.BringToFront();
buttonLAN.BackColor = CommonFoundations.MainBlue;
buttonFiles.BackColor = Color.Transparent;
this.BackColor = Color.FromArgb(0, 125, 236);
}
/// <summary>
/// 接受文件传输。
/// </summary>
private void AcceptFTR()
{
timerFTTimeout.Stop();//超时计时器停止计时
timerFTTimeout.Enabled = false;
FileTransfer.FileTransferAnswerSender(AcceptStatus.Accept, CommonFoundations.FileTransferTempData.FRSourceIP);//向对方确认接收文件
panelConfirm.Visible = false;
panelSameFile.Visible = false;
panelPercent.Visible = true;
panelPercent.BringToFront();
labelWaiting.Text = "正在接受文件\r\n\r\n" + CommonFoundations.FileTransferTempData.FileFullName;
timerPercent.Enabled = true;
timerPercent.Start();
backgroundWorkerFileReceiver.RunWorkerAsync();//开启后台线程，等待 TCP 接受文件
}
/// <summary>
/// 使控件订阅鼠标在控件上按下鼠标能拖动窗体的事件。
/// </summary>
#region
private void MouseDownDragMove()
{
this.MouseDown += new MouseEventHandler(Controls_MouseDown);
label9.MouseDown += new MouseEventHandler(Controls_MouseDown);
label10.MouseDown += new MouseEventHandler(Controls_MouseDown);
label11.MouseDown += new MouseEventHandler(Controls_MouseDown);
label12.MouseDown += new MouseEventHandler(Controls_MouseDown);
label13.MouseDown += new MouseEventHandler(Controls_MouseDown);
label8.MouseDown += new MouseEventHandler(Controls_MouseDown);
label14.MouseDown += new MouseEventHandler(Controls_MouseDown);
label15.MouseDown += new MouseEventHandler(Controls_MouseDown);
panelInfo.MouseDown += new MouseEventHandler(Controls_MouseDown);
panelChangeName.MouseDown += new MouseEventHandler(Controls_MouseDown);
panelLANBar.MouseDown += new MouseEventHandler(Controls_MouseDown);
panelFileBar.MouseDown += new MouseEventHandler(Controls_MouseDown);
panelSetting.MouseDown += new MouseEventHandler(Controls_MouseDown);
panelLANBarTitle.MouseDown += new MouseEventHandler(Controls_MouseDown);
pictureBoxEmptyIcon.MouseDown += new MouseEventHandler(Controls_MouseDown);