feat(ui/views/App/Calls/Conference): add vu meters

linphone-desktop/ui/modules/Linphone/Calls/Calls.js

@@ -131,6 +131,10 @@ function handleCountChanged (count) {
   var call = calls._selectedCall
 
   if (call == null) {
+    if (calls.conferenceModel.count > 0) {
+      return
+    }
+
     var model = calls.model
     var index = count - 1
     updateSelectedCall(model.data(model.index(index, 0)), index)

linphone-desktop/ui/views/App/Calls/Conference.qml

@@ -136,7 +136,10 @@ Rectangle {
             }
 
             Avatar {
-              readonly property int size: Math.min(parent.width, parent.height - contactDescription.height - parent.spacing)
+              readonly property int size: Math.min(
+                parent.width,
+                parent.height - contactDescription.height - parent.spacing
+              )
 
               anchors.horizontalCenter: parent.horizontalCenter
 
@@ -158,6 +161,22 @@ Rectangle {
               username: contactDescription.username
             }
           }
+
+          VuMeter {
+            anchors {
+              bottom: parent.bottom
+              left: parent.left
+              leftMargin: ConferenceStyle.grid.spacing
+              bottomMargin: ConferenceStyle.grid.spacing
+            }
+
+            Timer {
+              interval: 50
+              repeat: true
+
+              onTriggered: parent.value = $call.speakerVu
+            }
+          }
         }
       }
     }