0xlitf · June 22, 2017 10:33 · Jun 22, 2017
diff --git a/gistfile1.txt b/gistfile1.txt
@@ -0,0 +1,26 @@
+    function once(fn, context) {
+        var result
+        return function () {
+            if (fn) {
+                result = fn.apply(context || this, arguments)
+                fn = null
+            }
+            return result
+        }
+    }
+
+    property var showNotification
+    onDraggingVerticallyChanged: {
+        showNotification = once(function () {
+                notification.show("上拉加载")
+            })
+    }
+    onContentYChanged: {
+        if (draggingVertically && contentHeight > height
+                && contentY - originY > contentHeight - height) {
+            var dy = (contentY - originY) - (contentHeight - height)
+            if (dy > 40 && model.count >= 100) {
+                showNotification()
+            }
+        }
+    }