Tools: Refine one to one RTC demo

trunk/3rdparty/signaling/www/demos/one2one.html

@@ -67,7 +67,7 @@
 
     <label></label>
 
-    <div class="accordion">
+    <div class="accordion hide" id="srs_merge">
         <div class="accordion-group">
             <div class="accordion-heading">
                 <a href="#" id="ff_preview" target="_blank" class="accordion-toggle">
@@ -113,6 +113,10 @@
             sig.onmessage = function (msg) {
                 console.log('Notify: ', msg);
 
+                if (msg.event === 'leave') {
+                    $('#player').hide();
+                }
+
                 if (msg.event === 'publish') {
                     if (msg.peer && msg.peer.publishing && msg.peer.display !== display) {
                         startPlay(host, room, msg.peer.display);
@@ -128,6 +132,12 @@
                         alert('From ' + msg.peer.display + ': ' + msg.data);
                     }
                 }
+
+                if (msg.participants.length >= 2) {
+                    $('#srs_merge').show();
+                } else {
+                    $('#srs_merge').hide();
+                }
             };
             await sig.connect(conf.wsSchema, conf.wsHost, room, display);
 
@@ -160,6 +170,10 @@
                 if (participant.display === display || !participant.publishing) return;
                 startPlay(host, room, participant.display);
             });
+
+            if (r0.participants.length >= 2) {
+                $('#srs_merge').show();
+            }
         };
 
         var startPublish = function (host, room, display) {