Archive for category Chat

Free Asp.Net Live Chat Application for Websites- Open Source Application

Posted by VINKAS Solutions Madurai Tamilnadu India in Chat, Open Source Projects on July 5th, 2009

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The project is in re-thinking

I’m taking some time to think about the direction I want to take for the next months, and finally come up with the 1.0 release.

Current beta version

LiveChat Starter Kit is a C# .NET 2.0 web and windows forms application. The application can be use to enable live chat on an ASP.NET website.

Resources

Requirements

Basic Features

  • View the website’s visitors in real-time (Page current viewing, Referrer, etc).
  • An image reflecting the status of the operators (Online/Offline).
  • If no operator are online, the visitor will be able to leave a message.
  • The operators respond to chat with a Windows Forms application.
  • The operators can send link and canned messages to the visitor easily.
  • Multiple-operators is possible with the Sql Provider.
  • Notification when the visitor or operator is typing.
  • Sound on chat request or new messages on the operator console.

The project uses the ASP.NET 2.0 Provider Model and AJAX. The communication process is implemented throw Web Services and the operator console is a Smart Client Windows Forms application.

Last edited Sep 18 2008 at 2:40 PM by dstpierre, version 22

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ASP.NET C# Instant Messenger Status Determination – Akxl Labs

Posted by VINKAS Solutions Madurai Tamilnadu India in Chat on July 4th, 2009

First, we need some functions to determine the status of an AIM user. I do this using the http://www.imwrapper.com/ service to get the status, based on the protocol.

The first function figures out if the user is online:

 1protected bool GetIMStatus(string screenName, string protocol)
 2{
 3    protocol = protocol.ToLower();
 4
 5    string imStatusUrl = "http://www.imwrapper.com/" + protocol + "/"
 6                       + screenName + "/standard";
 7
 8    System.Net.HttpWebRequest imStatusRequest =
 9        (System.Net.HttpWebRequest)
10        System.Net.WebRequest.Create(imStatusUrl);
11
12    imStatusRequest.Accept="image/*";
13    imStatusRequest.AllowAutoRedirect = true;
14
15    System.Net.HttpWebResponse imStatusResponse =
16        (System.Net.HttpWebResponse) imStatusRequest.GetResponse();
17
18    return imStatusResponse.Headers["Content-Disposition"].
19Contains("online.png");
20}

GetIMStatus takes the following parameters, and returns a boolean, where true indicates that the user is online.

a screen name:

The screen name of the user to check. This value is generally case-insensitive, but this depends on the protocol.

a protocol:

The protocol to check on. Valid values are:

• AIM
• Yahoo
• MSN
• ICQ
• Jabber
• Skype

Note that these values are case-insensitive.

If that’s all you want to do, then you only need that function. But I wanted a snap-in, linked status indicator.

So, we need a function to display something based on this information. A big part of this will be the link location. Most protocols support a way to launch a message window to a user via a link, so we’ll need to construct a link for each protocol.

 1protected string GetIMStatusString(string screenName, string protocol)
 2{
 3    return GetIMStatusString(screenName, protocol, "standard");
 4}
 5
 6protected string GetIMStatusString(string screenName,
 7                                   string protocol,
 8                                   string iconSet)
 9{
10    string html = "";
11
12    try
13    {
14        protocol = protocol.ToLower();
15        iconSet  = iconSet.ToLower();
16
17        string imStatusUrl = "http://www.imwrapper.com/"
18                           + protocol + "/"
19                           + screenName + "/"
20                           + iconSet;
21
22        string statusString =
23         ((GetIMStatus(screenName, protocol)) ? "Online" : "Offline");
24        string linkStart = "";
25        string linkEnd   = "";
26
27        // jabber : xmpp:<sn>
28        // skype  : skype:<sn>?chat
29        // yahoo  : ymsgr:sendIM?<sn>
30        // aim    : aim:goim?screenname=<sn>
31
32        switch (protocol)
33        {
34            case "aim":
35                linkStart = "<a href=\"aim:goim?screenname="
36                          + screenName
37                          + "\">";
38                linkEnd   = "</a>";
39                break;
40            case "yahoo":
41                linkStart = "<a href=\"ymsgr:sendIM?"
42                          + screenName
43                          + "\">";
44                linkEnd   = "</a>";
45                break;
46            case "jabber":
47                linkStart = "<a href=\"xmpp:"
48                          + screenName
49                          + "\">";
50                linkEnd   = "</a>";
51                break;
52            case "skype":
53                linkStart = "<a href=\"skype:"
54                          + screenName
55                          + "?chat\">";
56                linkEnd   = "</a>";
57                break;
58        }
59
60        html = String.Format("<img src=\"{1}\" alt=\"{0}\" "
61                           + "align=\"absmiddle\" /> {3}{0} as {2}{4}"
62                            ,statusString
63                            ,imStatusUrl
64                            ,screenName
65                            ,linkStart
66                            ,linkEnd
67                            );
68    }
69    catch
70    {
71        // ...
72    }
73
74    return html;
75}

GetIMStatusString takes the following parameters, and returns the HTML for an icon for the client and status, a string describing the screen name and status, and (where possible) a link that will launch a message window to contact the screen name.

a screen name:

The screen name of the user to check. This value is generally case-insensitive, but this depends on the protocol.

a protocol:

The protocol to check on. Valid values are:

• AIM
• Yahoo
• MSN
• ICQ
• Jabber
• Skype

Note that these values are case-insensitive.

optionally, an icon set:

Check http://www.imwrapper.com/ for icon set names. The default is ’standard’, which is the first icon set on each list. All protocols also have ‘default’, which is the icon set actually used by the canonical clients. To find the icon set name, check the URL of the images in the set. For example, if an image’s URL is ‘http://www.imwrapper.com/images/icq/bevelled/offline.png’, the icon set is ‘bevelled’.

The string returned will render something like this:
IM: Offline

To make this code reusable, I made a custom control that can be snapped into a page. The control will render as the above status string. The source code that turns the above functions into a custom control is below. The control can be downloaded at the bottom of the page.

 1<%@ Control Language="C#" %>
 2
 3<script language="C#" runat="server">
 4    private string _screenName = "";
 5    private string _protocol   = "aim";
 6    private string _iconSet    = "standard";
 7
 8    public string ScreenName
 9    {
10        get { return _screenName;  }
11        set { _screenName = value; }
12    }
13
14    public string Protocol
15    {
16        get { return _protocol;  }
17        set { _protocol = value; }
18    }
19
20    public string IconSet
21    {
22        get { return _iconSet;  }
23        set { _iconSet = value; }
24    }
25
26    // [ THREE FUNCTIONS FROM ABOVE HERE ] //
27</script>
28
29<%= GetIMStatusString(ScreenName, Protocol, IconSet) %>

To use the control, you need two things:

The following code needs to be at the top of your page, to register the control.

1<%@ Register tagprefix="akxl"
2             Tagname="IMStatus"
3             src="/controls/IMStatus.ascx">

The next code places the control into the page output. You can also add another attribute, IconSet="<string>" to specify the optional icon set parameter. All attributes directly map to the parameters described above.

1<akxl:IMStatus id="akxlIMStatus"
2               runat="server"
3               ScreenName="ImTooSmartForMe"
4               Protocol="AIM" />

Here’s a live example of the control:

IM: Offline

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Asp.Net Ajax Chat & Instant Messenger – Fully Featured and Customizable – Asp.Net Ajax Chat

Posted by VINKAS Solutions Madurai Tamilnadu India in Chat on June 28th, 2009

Fully Featured and Customizable Asp.Net Ajax Chat & Instant Messenger

asp.net ajax chat software Box
If you’re looking for an easy to use yet extremely powerful Ajax chat or IM solution, then ASP.NET Ajax Chat may be just what you’re looking for. The software is simple to install, fast and customizable. It uses AJAX to smoothly refresh (no flicker) and supports multiple rooms, private messages, private chats, moderation (kick, ban), customized themes based on CSS and much more! Developed using ASP.NET and AJAX technology Our powerful AJAX approach combined with Microsoft’s ASP.NET provides a most powerful combination to deliver a reliable and scalable app, which is light weight and extremely simple to use.

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