Fix QmlDesignerUsageTimeSourcev7.0.2

The switch to design mode seems to be notified twice.
Therefore the timer was started and immediately stopped again.

Change-Id: Icd668b20bb47944f7de2285f560666668643e444
Reviewed-by: Tim Jenssen <tim.jenssen@qt.io>

1 files changed, 7 insertions, 0 deletions

diff --git a/src/datasources/qmldesignerusagetimesource.cpp b/src/datasources/qmldesignerusagetimesource.cpp
index 1fc72f9..c10f36e 100644
--- a/src/datasources/qmldesignerusagetimesource.cpp
+++ b/src/datasources/qmldesignerusagetimesource.cpp
@@ -91,6 +91,13 @@ static bool editingQmlFile()
 
 void QmlDesignerUsageTimeSource::updateTrackingState(const QString &modeName)
 {
+    static QString lastMode;
+
+    if (lastMode == modeName)
+        return;
+
+    lastMode = modeName;
+
     if (isDesignMode(modeName) && editingQmlFile() && !isTimeTrackingActive()) {
         Q_EMIT start();
     } else {