participants stale issue

web/plugin.head.html

@@ -2047,6 +2047,42 @@
             return getPoliticTalkRenderedParticipantTiles(videospace, 44, 44).length;
         }
 
+        function getPoliticTalkRemoteParticipantCount(videospace, tiles, thumbnails) {
+            var room = getPoliticTalkConferenceRoom();
+
+            try {
+                if (room && typeof room.getParticipants === 'function') {
+                    return room.getParticipants().length;
+                }
+            } catch (error) {
+                // Fall back to visible tile state when Jitsi internals are unavailable.
+            }
+
+            var localEndpointId = getPoliticTalkLocalEndpointId();
+            var countedIds = {};
+            var candidates = (tiles || []).concat(thumbnails || []);
+
+            if (videospace) {
+                candidates = candidates.concat(getPoliticTalkRenderedParticipantTiles(videospace, 44, 44));
+            }
+
+            candidates.forEach(function(candidate) {
+                if (!candidate || candidate.id === 'localVideo_container') {
+                    return;
+                }
+
+                var endpointId = getPoliticTalkTileEndpointId(candidate);
+
+                if (endpointId && localEndpointId && endpointId === localEndpointId) {
+                    return;
+                }
+
+                countedIds[endpointId || candidate.id || String(Object.keys(countedIds).length)] = true;
+            });
+
+            return Object.keys(countedIds).length;
+        }
+
         function isPoliticTalkAvatarShell(element, tile) {
             if (!element || element === tile || element.tagName === 'IMG' || element.tagName === 'CANVAS') {
                 return false;
@@ -2760,7 +2796,7 @@
             });
         }
 
-        function applyPoliticTalkLargeVideoLayout(videospace, tiles) {
+        function applyPoliticTalkLargeVideoLayout(videospace, tiles, thumbnails) {
             if (!videospace) {
                 return;
             }
@@ -2774,8 +2810,9 @@
             var candidateTileCount = Array.isArray(tiles) ? tiles.length : 0;
             var renderedTileCount = getPoliticTalkRenderedParticipantTileCount(videospace);
             var visibleTileCount = Math.max(candidateTileCount, renderedTileCount);
+            var remoteParticipantCount = getPoliticTalkRemoteParticipantCount(videospace, tiles, thumbnails);
 
-            setPoliticTalkDominantSpeakerLayerVisibility(videospace, visibleTileCount <= 1);
+            setPoliticTalkDominantSpeakerLayerVisibility(videospace, remoteParticipantCount > 0 && visibleTileCount <= 1);
 
             var availableHeight = getPoliticTalkAvailableTileHeight(videospace);
 
@@ -2886,7 +2923,7 @@
             );
             var dominantMetadata = getPoliticTalkDominantSpeakerRoleMetadata(videospace, tiles, thumbnails);
 
-            applyPoliticTalkLargeVideoLayout(videospace, tiles);
+            applyPoliticTalkLargeVideoLayout(videospace, tiles, thumbnails);
             applyPoliticTalkTileLayout(videospace, tiles);
             applyPoliticTalkDominantSpeakerTheme(videospace, tiles, thumbnails, dominantMetadata);