Feature: Add Timer interface

* it has a start function and a timeout signal

Ticket: #4

Author: Sebastian Hahn

src/Intervaltimer/CMakeLists.txt

@@ -38,5 +38,7 @@ qt_add_qml_module(Intervaltimer
         intervaltimer/PlanRunner.cpp
         intervaltimer/PlanToJson.h
         intervaltimer/PlanToJson.cpp
+        intervaltimer/TimerBase.h
+        intervaltimer/TimerBase.cpp
 )
 

src/Intervaltimer/intervaltimer/TimerBase.cpp

@@ -0,0 +1,4 @@
+#include "TimerBase.h"
+
+TimerBase::TimerBase(QObject* parent)
+    : QObject{parent} {}

src/Intervaltimer/intervaltimer/TimerBase.h

@@ -0,0 +1,14 @@
+#pragma once
+
+#include <QObject>
+#include <chrono>
+
+class TimerBase : public QObject {
+    Q_OBJECT
+public:
+    explicit TimerBase(QObject* parent = nullptr);
+
+    virtual void start(std::chrono::milliseconds const&) = 0;
+signals:
+    void timeout();
+};