From db4ab216a1db8ad52cf0d9569878955cdb0721b8 Mon Sep 17 00:00:00 2001
From: Nate Weibley <nate.weibley@prioria.com>
Date: Thu, 7 Apr 2016 14:21:24 -0400
Subject: [PATCH] Show the user some positive feedback when parameters load
 from cache. For #3114

---
 src/FactSystem/ParameterLoader.cc | 22 ++++++++++++++++++++++
 1 file changed, 22 insertions(+)

diff --git a/src/FactSystem/ParameterLoader.cc b/src/FactSystem/ParameterLoader.cc
index 97d658b49..22183d76b 100644
--- a/src/FactSystem/ParameterLoader.cc
+++ b/src/FactSystem/ParameterLoader.cc
@@ -32,8 +32,10 @@
 #include "FirmwarePlugin.h"
 #include "UAS.h"
 
+#include <QEasingCurve>
 #include <QFile>
 #include <QDebug>
+#include <QVariantAnimation>
 
 /* types for local parameter cache */
 typedef QPair<int, QVariant> ParamTypeVal;
@@ -711,6 +713,26 @@ void ParameterLoader::_tryCacheHashLoad(int uasId, int componentId, QVariant has
         mavlink_message_t msg;
         mavlink_msg_param_set_encode(_mavlink->getSystemId(), _mavlink->getComponentId(), &msg, &p);
         _vehicle->sendMessageOnLink(_vehicle->priorityLink(), msg);
+
+        // Give the user some feedback things loaded properly
+        QVariantAnimation *ani = new QVariantAnimation(this);
+        ani->setEasingCurve(QEasingCurve::OutCubic);
+        ani->setStartValue(0.0);
+        ani->setEndValue(1.0);
+        ani->setDuration(750);
+
+        connect(ani, &QVariantAnimation::valueChanged, [this](const QVariant &value) {
+            emit parameterListProgress(value.toFloat());
+        });
+
+        // Hide 500ms after animation finishes
+        connect(ani, &QVariantAnimation::finished, [this](){
+            QTimer::singleShot(500, [this]() {
+                emit parameterListProgress(0);
+            });
+        });
+
+        ani->start(QAbstractAnimation::DeleteWhenStopped);
     }
 }
 
-- 
2.22.0