messageform.cs

语音视频功能 里面实现了基本的QQ与语音对话

			
#if Test
			this.history.SelectedText="你说:";
#else
			this.history.SelectedText="你"+"说:";
#endif
			this.history.SelectionColor=c;

			this.history.Select(this.history.Text.Length,0);
string rtf=se.Rtf.Substring(0,se.Rtf.LastIndexOf("}"));
			this.history.SelectedRtf=rtf;
			
			this.history.ScrollToEnd();
#if !Test
			mm.SendMessage(this.itm.Jid,null,se.Text,rtf,null,gowk.core.packets.PacketType.chat);
#endif
		}

		#region mm
		private void mm_ChatMessageReceived(JabberEventArgs e)
		{
			this.OnChatMessageReceived(e);
		}
		public void OnChatMessageReceived(JabberEventArgs e)
		{
			gowk.core.packets.Message msg=(gowk.core.packets.Message)e.Packet;
			if(msg.From==null)return;
			if(!gowk.core.Jid.Equals(msg.From,this.itm.Jid,false))return;
			this.history.Select(this.history.Text.Length,0);
			Color c=this.history.SelectionColor;
			//	Font f=this.history.SelectionFont;
			this.history.SelectionColor=Color.Blue;
			this.history.SelectedText=this.itm.Name+"说:";
			this.history.SelectionColor=c;

			if(msg.Rtf!=null)
			{
				string rtf=msg.Rtf;
				this.history.Select(this.history.Text.Length,0);
				this.history.SelectedRtf=rtf;
			}
			else
			{
				this.history.Text+=msg.Body;
			}

			this.history.ScrollToEnd();
		}

		private void mm_ChatMessageError(JabberEventArgs e)
		{

		}

		private void mm_HeadLineMessageReceived(JabberEventArgs e)
		{

		}

		#endregion
		private void gButton1_Click(object sender, System.EventArgs e)
		{
			this.RequestVideoChat();
		}
		#region av
		private void AckResponse(gowk.core.packets.Message.videochat vc)
		{
			if(vc.ok)
			{
				if(this.avf!=null)
				{
					try
					{
						this.avf.Connect(vc.ip,vc.port);
					}
					catch(System.Exception ex)
					{
						System.Diagnostics.Debug.Assert(false,ex.Message,ex.StackTrace);
					}
				}
				else
				{
					this.mm.EndVideoChat(this.itm.Jid);
				}
			}
			else if(this.avf!=null)
			{
				this.Notify("info.gif","对方拒绝了您的请求");
				this.avf.Close();
			}
		}
		private void AckRequest(gowk.core.packets.Message.videochat vc)
		{
			Color c=this.history.SelectionColor;
			this.history.Select(this.history.Text.Length,0);
			this.history.SelectedText="\n";
			this.history.InsertImage(new Bitmap(this.GetType(),"info.gif"));
			this.history.SelectionColor=Color.LightBlue;
			this.history.SelectedText=this.itm.Name+" 请求与您进行视频连接,您是要";
			this.history.InsertLink("accept","videoresponse"+vc.ip+":"+vc.port.ToString());
			this.history.SelectionColor=Color.LightBlue;
			this.history.SelectedText="还是";
			this.history.InsertLink("cancel","videoresponse");
			this.history.SelectionColor=Color.LightBlue;
			this.history.SelectedText="该邀请";
			this.history.SelectionColor=c;
			this.history.SelectedText="\n";
			this.history.ScrollToEnd();
		//	this.IniAVChat();
		}
		private void DeleteLink()
		{
			this.history.Rtf=this.history.Rtf;
			this.history.ScrollToEnd();
		}
		private void AckEnd(gowk.core.packets.Message.videochat vc)
		{
			this.DeleteLink();
			this.Notify("info.gif","对方请求断开连接");
		}

		public void ResponseVideoChat(gowk.core.packets.Message msg)
		{
			gowk.core.packets.Message.videochat vc=msg.VideoChat;
			switch(vc.type)
			{
				case gowk.core.packets.Message.VideoChatType.response:
					this.AckResponse(vc);
					break;
				case gowk.core.packets.Message.VideoChatType.request:
					this.AckRequest(vc);
					break;
				case gowk.core.packets.Message.VideoChatType.end:
					this.AckEnd(vc);
					break;
			}
		}

		public void RequestVideoChat()
		{
			Color c=this.history.SelectionColor;
			this.history.Select(this.history.Text.Length,0);
			this.history.InsertImage(new Bitmap(this.GetType(),"info.gif"));
			this.history.SelectionColor=Color.LightBlue;
#if !Test
			this.history.SelectedText=" 您已经请求与"+this.itm.Name+"进行视频对话。请等待回应或 ";
#endif
			this.history.InsertLink("cancel","videorequest");
			this.history.SelectionColor=Color.LightBlue;
			this.history.SelectedText="该未决的邀请";
			this.history.SelectionColor=c;
			this.history.SelectedText="\n";
			this.history.ScrollToEnd();

			this.IniAVChat();
#if !Test
			System.Net.IPAddress ad=gowk.utility.net.Address.GetExternalIPAddress();
			if(ad==null)
			{
				this.Notify("info.gif","找不到外部网络地址！连接很可能不能建立!");
				ad=gowk.utility.net.Address.GetFirstIPAddress();
			}
			this.mm.RequestVideoChat(this.itm.Jid,null,ad.ToString(),this.avf.AV.AVChanel.LocalPort);
#endif
		}

		public void Notify(string icon,string message)
		{
			Color c=this.history.SelectionColor;
			this.history.Select(this.history.Text.Length,0);
			if(icon!=null)this.history.InsertImage(new Bitmap(this.GetType(),icon));
			this.history.SelectionColor=Color.LightBlue;
			this.history.SelectedText=message;
			this.history.SelectionColor=c;
			this.history.SelectedText="\n";
			this.history.ScrollToEnd();
		}

		private void mm_VideoChatReceived(JabberEventArgs e)
		{
			this.ResponseVideoChat((gowk.core.packets.Message)e.Packet);
		}

		private void avf_Closed(object sender, EventArgs e)
		{
			this.DeleteLink();
			this.avf=null;
		}

		private void IniAVChat()
		{
			if(this.avf!=null)
			{
				this.avf.Dispose();
				GC.Collect();
				GC.WaitForPendingFinalizers();
				this.avf=null;
			}
			this.avf=new AVForm(this);
			this.avf.Closed+=new EventHandler(avf_Closed);
			this.avf.Location=new Point(this.Right,this.Top);
			this.avf.Initialize();
			this.avf.AV.AVChanel.StreamEnd+=new gowk.multimedia.AVChanel.AVChanelEventHandler(AVChanel_StreamEnd);
			this.avf.AV.AVChanel.StreamError+=new gowk.multimedia.AVChanel.AVChanelEventHandler(AVChanel_StreamError);
			avf.Show();
		}
		private void AVChanel_StreamEnd(object sender, gowk.multimedia.AVChanel.AVChanelEventArgs e)
		{
			this.Notify("info.gif","和对方的连接已经断开");
			if(this.avf!=null)
			{
				this.avf.Close();
			}
		}
		private void AVChanel_StreamError(object sender, gowk.multimedia.AVChanel.AVChanelEventArgs e)
		{
			this.Notify("info.gif","网络错误或对方关闭连接，将断开和对方的联接");
			if(this.avf!=null)
			{
				this.avf.Close();
			}
		}
		#endregion
		private void history_LinkClicked(object sender, LinkClickedEventArgs e)
		{
				//////////////////////////////
				this.DeleteLink();	
				///////////////////////////////
			string link=e.LinkText.Trim();
			if(link.IndexOf("cancel#videorequest")!=-1)
			{
				this.mm.EndVideoChat(this.itm.Jid);
				if(this.avf!=null)
				{
					this.avf.Dispose();
					GC.Collect();
					GC.WaitForPendingFinalizers();
					this.avf=null;
				}
			}
			else if(link.IndexOf("cancel#videoresponse")!=-1)
			{
				this.mm.ResponseVideoChat(this.itm.Jid,false,null,null,0);
			}
			else
			{
				int index=link.IndexOf("accept#videoresponse");
				if(index>-1)
				{
					this.IniAVChat();
					System.Net.IPAddress ad=gowk.utility.net.Address.GetExternalIPAddress();
					if(ad==null)
					{
						this.Notify("info.gif","找不到外部网络地址！连接很可能不能建立!");
						ad=gowk.utility.net.Address.GetFirstIPAddress();
					}
					this.mm.ResponseVideoChat(this.itm.Jid,true,null,ad.ToString(),this.avf.AV.AVChanel.LocalPort);

					index+="accept#videoresponse".Length;
					string ip_port=link.Substring(index);
					int split=link.IndexOf(":");
					string ip=link.Substring(index,split-index);
					int port=int.Parse(link.Substring(split+1));
					this.avf.Connect(ip,port);	
				}
			}
		}


		#region history
		System.Timers.Timer tmr1=new System.Timers.Timer(50);
		System.Timers.Timer tmr2=new System.Timers.Timer(50);

		private void gButton3_Click(object sender, System.EventArgs e)
		{
			API.SendMessage(this.history.Handle,API.WM_VSCROLL,API.SB_LINEDOWN,0);
		}

		private void gButton2_Click(object sender, System.EventArgs e)
		{
		
			API.SendMessage(this.history.Handle,API.WM_VSCROLL,API.SB_LINEUP,0);
		}

		private void InitializeTimers()
		{
			tmr1.Elapsed+=new System.Timers.ElapsedEventHandler(tmr1_Elapsed);
			tmr2.Elapsed+=new System.Timers.ElapsedEventHandler(tmr2_Elapsed);
		}
		private void gButton2_MouseDown(object sender, System.Windows.Forms.MouseEventArgs e)
		{
			tmr1.Enabled=true;
		}

		private void tmr1_Elapsed(object sender, System.Timers.ElapsedEventArgs e)
		{
			API.SendMessage(this.history.Handle,API.WM_VSCROLL,API.SB_LINEUP,0);
		}

		private void tmr2_Elapsed(object sender, System.Timers.ElapsedEventArgs e)
		{
			API.SendMessage(this.history.Handle,API.WM_VSCROLL,API.SB_LINEDOWN,0);
		}

		private void gButton3_MouseDown(object sender, System.Windows.Forms.MouseEventArgs e)
		{
			tmr2.Enabled=true;
		}

		private void gButton3_MouseUp(object sender, System.Windows.Forms.MouseEventArgs e)
		{
			tmr2.Enabled=false;
		}

		private void gButton2_MouseUp(object sender, System.Windows.Forms.MouseEventArgs e)
		{
			tmr1.Enabled=false;
		}
		#endregion

	}
}