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Viewing changes to Pidgin/src/PidginContactItemSource.cs

  • Committer: djsiegel at gmail
  • Date: 2007-11-07 17:13:21 UTC
  • Revision ID: djsiegel@gmail.com-20071107171321-zgu46ukqlpdx1ypa
Initial files.

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Pidgin/src/PidginContactItemSource.cs
 
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//  PidginContactItemSource.cs
 
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//
 
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//  GNOME Do is the legal property of its developers, whose names are too numerous
 
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//  to list here.  Please refer to the COPYRIGHT file distributed with this
 
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//  source distribution.
 
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//
 
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//  This program is free software: you can redistribute it and/or modify
 
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//  it under the terms of the GNU General Public License as published by
 
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//  the Free Software Foundation, either version 3 of the License, or
 
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//  (at your option) any later version.
 
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//
 
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//  This program is distributed in the hope that it will be useful,
 
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//  but WITHOUT ANY WARRANTY; without even the implied warranty of
 
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//  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 
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//  GNU General Public License for more details.
 
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//
 
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//  You should have received a copy of the GNU General Public License
 
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//  along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
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using System;
 
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using System.IO;
 
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using System.Xml;
 
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using System.Collections.Generic;
 
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using Do.Addins;
 
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namespace Do.Universe
 
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{
 
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        public class PidginContactItemSource : IItemSource
 
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        {
 
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                static readonly string kBuddyListFile;
 
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                static readonly string kBuddyIconDirectory;
 
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                static PidginContactItemSource () {
 
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                        string home;
 
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                        home =  Environment.GetFolderPath (Environment.SpecialFolder.Personal);
 
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                        kBuddyListFile = "~/.purple/blist.xml".Replace("~", home);
 
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                        kBuddyIconDirectory = "~/.purple/icons".Replace("~", home);
 
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                }
 
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                List<IItem> buddies;
 
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                public PidginContactItemSource ()
 
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                {
 
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                        buddies = new List<IItem> ();
 
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                        UpdateItems ();
 
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                }
 
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                public Type[] SupportedItemTypes {
 
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                        get {
 
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                                return new Type[] {
 
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                                        typeof (ContactItem),
 
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                                };
 
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                        }
 
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                }
 
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                public string Name { get { return "Pidgin Buddies"; } }
 
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                public string Description { get { return "Buddies on your Pidgin buddy list."; } }
 
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                public string Icon {get { return "pidgin"; } }
 
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                public ICollection<IItem> Items {
 
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                        get { return buddies; }
 
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                }
 
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                public ICollection<IItem> ChildrenOfItem (IItem item)
 
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                {
 
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                        return null;
 
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                }
 
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                public void UpdateItems ()
 
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                {
 
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                        XmlDocument blist;
 
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                        // Add buddies as they are encountered to this hash so we don't create duplicates.
 
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                        Dictionary<ContactItem, bool> buddies_seen;
 
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                        buddies.Clear ();
 
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                        buddies_seen = new Dictionary<ContactItem, bool> ();
 
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                        blist = new XmlDocument ();
 
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                        try {
 
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                                blist.Load (kBuddyListFile);
 
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                                foreach (XmlNode contact_node in blist.GetElementsByTagName ("contact"))
 
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                                foreach (XmlNode buddy_node in contact_node.ChildNodes) {
 
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                                        ContactItem buddy;              
 
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                                        buddy = ContactItemFromBuddyXmlNode (buddy_node);
 
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                                        if (buddy == null) continue;
 
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                                        ContactItemStore.SynchronizeContactWithStore (ref buddy);
 
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                                        buddies_seen[buddy] = true;
 
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                                }
 
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                        } catch (Exception e) {
 
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                                Console.Error.WriteLine ("Could not read Pidgin buddy list file: " + e.Message);
 
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                        }
 
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                        foreach (ContactItem buddy in buddies_seen.Keys) {
 
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                                buddies.Add (buddy);
 
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                        }
 
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                }
 
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                ContactItem ContactItemFromBuddyXmlNode (XmlNode buddy_node)
 
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                {
 
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                        ContactItem buddy;
 
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                        string proto, name, alias, icon;
 
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                        try {
 
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                                name = alias = icon = null;
 
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                                // The messaging protocol (e.g. "prpl-jabber" for Jabber).
 
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                                proto = buddy_node.Attributes.GetNamedItem ("proto").Value;
 
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                                foreach (XmlNode attr in buddy_node.ChildNodes) {
 
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                                        switch (attr.Name) {
 
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                                        // The screen name.
 
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                                        case "name":
 
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                                                name = attr.InnerText;
 
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                                                break;
 
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                                        // The alias, or real name.
 
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                                        case "alias":
 
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                                                alias = attr.InnerText;
 
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                                                break;
 
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                                        // Buddy icon image file.
 
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                                        case "setting":
 
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                                                if (attr.Attributes.GetNamedItem ("name").Value == "buddy_icon") {
 
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                                                        icon = Path.Combine (kBuddyIconDirectory, attr.InnerText);
 
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                                                }
 
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                                                break;
 
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                                        }
 
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                                }
 
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                        } catch {
 
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                                // Bad buddy.
 
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                                return null;
 
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                        }
 
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                        // If crucial details are missing, we can't make a buddy.
 
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                        if (name == null || proto == null) return null;
 
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                        // Create a new buddy, add the details we have.
 
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                        buddy = new ContactItem ();
 
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                        if (alias != null)
 
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                                        buddy.Name = alias;
 
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                        if (icon != null)
 
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                                        buddy.Photo = icon;
 
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                        AddScreenNameToContact (buddy, proto, name);
 
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                        return buddy;
 
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                }
 
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                void AddScreenNameToContact (ContactItem buddy, string proto, string name)
 
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                {
 
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                        if (buddy == null || proto == null || name == null)
 
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                                return;
 
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                        switch (proto) {
 
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                        case "prpl-aim":
 
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                                if (!buddy.AIMs.Contains (name))
 
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                                        buddy.AIMs.Add (name);
 
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                                break;
 
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                        case "prpl-jabber":
 
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                                if (!buddy.Jabbers.Contains (name))
 
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                                        buddy.Jabbers.Add (name);
 
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                                break;
 
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                        }
 
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                }
 
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        }
 
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}