fix: show duration of call during call

Change-Id: I6b4d8522bdf9554871314a22d49ff51002840931
diff --git a/videooverlay.h b/videooverlay.h
index 18456ec..6eb7825 100644
--- a/videooverlay.h
+++ b/videooverlay.h
@@ -20,6 +20,7 @@
 
 #include <QWidget>
 #include <QMenu>
+#include <QTimer>
 
 namespace Ui {
 class VideoOverlay;
@@ -35,7 +36,6 @@
 
 public:
     void setName(const QString& name);
-    void setTime(const QString& time);
     inline bool isDialogVisible(){ return dialogVisible_; };
     void toggleContextButtons(bool visible);
     void setVideoMuteVisibility(bool visible);
@@ -43,6 +43,9 @@
     void simulateShowChatview(bool checked);
     bool getShowChatView();
 
+public slots:
+    void setTime();
+
 //UI SLOTS
 private slots:
     void on_hangupButton_clicked();
@@ -56,6 +59,8 @@
 private:
     Ui::VideoOverlay* ui;
     bool dialogVisible_ = false;
+    QTimer* oneSecondTimer_;
+    std::string callId;
 
 signals:
     void setChatVisibility(bool visible);