notification count pop animation

modules/Notifications.qml

@@ -48,11 +48,27 @@ M.BarSection {
         anchors.verticalCenter: parent.verticalCenter
     }
     M.BarLabel {
+        id: countLabel
         label: root.count > 0 ? String(root.count) : ""
         color: M.Theme.base0D
         anchors.verticalCenter: parent.verticalCenter
+
+        transform: Scale {
+            id: countScale
+            origin.x: countLabel.width / 2
+            origin.y: countLabel.height / 2
+            xScale: 1; yScale: 1
         }
 
+        SequentialAnimation {
+            id: popAnim
+            NumberAnimation { target: countScale; properties: "xScale,yScale"; to: 1.4; duration: 100; easing.type: Easing.OutQuad }
+            NumberAnimation { target: countScale; properties: "xScale,yScale"; to: 1.0; duration: 200; easing.type: Easing.OutElastic }
+        }
+    }
+
+    onCountChanged: if (count > 0) popAnim.start()
+
     TapHandler {
         acceptedButtons: Qt.LeftButton
         cursorShape: Qt.PointingHandCursor