track raw displayname on user objects

lib/models/room-member.js

@@ -212,21 +212,6 @@ function calculateDisplayName(member, event, roomState) {
     var displayName = event.getDirectionalContent().displayname;
     var selfUserId = member.userId;
 
-    /*
-    // FIXME: this would be great but still needs to use the
-    // full userId to disambiguate if needed...
-
-    if (!displayName) {
-        var matches = selfUserId.match(/^@(.*?):/);
-        if (matches) {
-            return matches[1];
-        }
-        else {
-            return selfUserId;
-        }
-    }
-    */
-
     if (!displayName) {
         return selfUserId;
     }

lib/models/user.js

@@ -47,6 +47,7 @@ function User(userId) {
     this.presence = "offline";
     this.presenceStatusMsg = null;
     this.displayName = userId;
+    this.rawDisplayName = userId;
     this.avatarUrl = null;
     this.lastActiveAgo = 0;
     this.lastPresenceTs = 0;
@@ -131,6 +132,17 @@ User.prototype.setDisplayName = function(name) {
     }
 };
 
+
+/**
+ * Manually set this user's non-disambiguated display name. No event is emitted
+ * in response to this as there is no underlying MatrixEvent to emit with.
+ * @param {string} name The new display name.
+ */
+User.prototype.setRawDisplayName = function(name) {
+    this.rawDisplayName = name;
+};
+
+
 /**
  * Manually set this user's avatar URL. No event is emitted in response to this
  * as there is no underlying MatrixEvent to emit with.

lib/store/memory.js

@@ -101,6 +101,9 @@ module.exports.MatrixInMemoryStore.prototype = {
         var user = this.users[member.userId] || new User(member.userId);
         if (member.name) {
             user.setDisplayName(member.name);
+            if (member.events.member) {
+                user.setRawDisplayName(member.events.member.getDirectionalContent().displayname);
+            }
         }
         if (member.events.member && member.events.member.getContent().avatar_url) {
             user.setAvatarUrl(member.events.member.getContent().avatar_url);