From a8909028c8543a9f5a0132dd6b06b4aeb61f40f7 Mon Sep 17 00:00:00 2001
From: George Politis <gp@jitsi.org>
Date: Thu, 27 Nov 2014 19:28:28 +0100
Subject: [PATCH] Modifies the avatars, lastN and adaptive lastN handling so
 that they play nicely together.

---
 avatar.js      | 11 ++++++++++-
 videolayout.js | 15 ++++++++++++---
 2 files changed, 22 insertions(+), 4 deletions(-)

diff --git a/avatar.js b/avatar.js
index 3a18edb9d..2888f44ae 100644
--- a/avatar.js
+++ b/avatar.js
@@ -122,7 +122,16 @@ var Avatar = (function(my) {
     }
 
     function isUserMuted(jid) {
-        if(!mediaStreams[jid] || !mediaStreams[jid][MediaStream.VIDEO_TYPE]) {
+        // XXX(gp) we may want to rename this method to something like
+        // isUserStreaming, for example.
+        if (jid && jid != connection.emuc.myroomjid) {
+            var resource = Strophe.getResourceFromJid(jid);
+            if (!VideoLayout.isInLastN(resource)) {
+                return true;
+            }
+        }
+
+        if (!mediaStreams[jid] || !mediaStreams[jid][MediaStream.VIDEO_TYPE]) {
             return null;
         }
         return mediaStreams[jid][MediaStream.VIDEO_TYPE].muted;
diff --git a/videolayout.js b/videolayout.js
index c2ac6ff5f..e6915be0d 100644
--- a/videolayout.js
+++ b/videolayout.js
@@ -11,6 +11,12 @@ var VideoLayout = (function (my) {
     };
     my.connectionIndicators = {};
 
+    my.isInLastN = function(resource) {
+        return lastNCount < 0 // lastN is disabled, return true
+            || (lastNCount > 0 && lastNEndpointsCache.length == 0) // lastNEndpoints cache not built yet, return true
+            || (lastNEndpointsCache && lastNEndpointsCache.indexOf(resource) !== -1);
+    };
+
     my.changeLocalAudio = function(stream) {
         connection.jingle.localAudio = stream;
 
@@ -597,14 +603,17 @@ var VideoLayout = (function (my) {
                 peerContainer.show();
             }
 
-            // TODO(gp) add proper avatars handling.
             if (state == 'show')
             {
-                peerContainer.css('-webkit-filter', '');
+                // peerContainer.css('-webkit-filter', '');
+                var jid = connection.emuc.findJidFromResource(resourceJid);
+                Avatar.showUserAvatar(jid, false);
             }
             else // if (state == 'avatar')
             {
-                peerContainer.css('-webkit-filter', 'grayscale(100%)');
+                // peerContainer.css('-webkit-filter', 'grayscale(100%)');
+                var jid = connection.emuc.findJidFromResource(resourceJid);
+                Avatar.showUserAvatar(jid, true);
             }
         }
         else if (peerContainer.is(':visible') && isHide)