[ListView] add bottom gradient

src/controls/ListView.qml

 import QtQuick 2.1
 import QtQuick.Controls 1.0
-
+import QtGraphicalEffects 1.0
 import QtQuick.Controls.Styles.Nemo 1.0
 
 ListView {
@@ -39,5 +39,25 @@ ListView {
             }
         }
     }
+
+    Item{
+        id: bottom
+        width: parent.width
+        height: 30
+        anchors.bottom: parent.bottom
+
+        visible: listView.contentHeight >= listView.height
+
+        LinearGradient{
+            anchors.fill: parent
+            start: Qt.point(0, 0)
+            end: Qt.point(0, 30)
+            gradient: Gradient {
+                GradientStop { position: 0.0; color: "transparent" }
+                GradientStop { position: 1.0; color: "black" }
+            }
+
+        }
+    }
 }