2 files changed, 21 insertions, 1 deletions

diff --git a/api/logic/InstanceList.cpp b/api/logic/InstanceList.cpp
index 02fae6ac..cb38853b 100644
--- a/api/logic/InstanceList.cpp
+++ b/api/logic/InstanceList.cpp
@@ -387,9 +387,19 @@ InstanceList::InstListError InstanceList::loadList()
         add(newList);
     }
     m_dirty = false;
+    updateTotalPlayTime();
     return NoError;
 }
 
+void InstanceList::updateTotalPlayTime()
+{
+    totalPlayTime = 0;
+    for(auto const& itr : m_instances)
+    {
+        totalPlayTime += itr.get()->totalTimePlayed();
+    }
+}
+
 void InstanceList::saveNow()
 {
     for(auto & item: m_instances)
@@ -475,6 +485,7 @@ void InstanceList::propertiesChanged(BaseInstance *inst)
     if (i != -1)
     {
         emit dataChanged(index(i), index(i));
+        updateTotalPlayTime();
     }
 }
 
@@ -848,4 +859,9 @@ bool InstanceList::destroyStagingPath(const QString& keyPath)
     return FS::deletePath(keyPath);
 }
 
-#include "InstanceList.moc"
\ No newline at end of file
+int InstanceList::getTotalPlayTime() {
+    updateTotalPlayTime();
+    return totalPlayTime;
+}
+
+#include "InstanceList.moc"
diff --git a/api/logic/InstanceList.h b/api/logic/InstanceList.h
index 8215cb66..56ee3be4 100644
--- a/api/logic/InstanceList.h
+++ b/api/logic/InstanceList.h
@@ -128,6 +128,8 @@ public:
      */
     bool destroyStagingPath(const QString & keyPath);
 
+    int getTotalPlayTime();
+
 signals:
     void dataIsInvalid();
     void instancesChanged();
@@ -145,6 +147,7 @@ private slots:
 
 private:
     int getInstIndex(BaseInstance *inst) const;
+    void updateTotalPlayTime();
     void suspendWatch();
     void resumeWatch();
     void add(const QList<InstancePtr> &list);
@@ -155,6 +158,7 @@ private:
 
 private:
     int m_watchLevel = 0;
+    int totalPlayTime = 0;
     bool m_dirty = false;
     QList<InstancePtr> m_instances;
     QSet<QString> m_groupNameCache;