Implement abstract API interface

abstractapi.cc

+#include "abstractapi.h"
+
+//-------------------------------------------------------------------------------------------------
+AbstractApi::AbstractApi()
+    : mState(None)
+{
+
+}
+
+//-------------------------------------------------------------------------------------------------
+void AbstractApi::setState(AbstractApi::State s)
+{
+    Q_ASSERT(s != mState);
+
+    mState = s;
+    emit stateChanged(mState);
+}

abstractapi.h

+#ifndef ABSTRACTAPI_H
+#define ABSTRACTAPI_H
+
+#include <QObject>
+
+class AbstractApi : public QObject
+{
+public:
+    enum State
+    {
+        None,
+        Starting,
+        Running
+    };
+
+    AbstractApi();
+    void init() = 0;
+
+signals:
+    void stateChanged(State s);
+
+protected:
+    void setState(State s);
+
+private:
+    State mState;
+};
+
+#endif // ABSTRACTAPI_H

ceaapp.cc

+#include "ceaapp.h"
+
+CeaApp::CeaApp()
+{
+
+}

ceaapp.h

+#ifndef CEAAPP_H
+#define CEAAPP_H
+
+#include <QObject>
+
+class CeaApp : public QObject
+{
+public:
+    CeaApp();
+
+    void init();
+};
+
+#endif // CEAAPP_H

commonexchangeapi.pro

@@ -7,4 +7,10 @@ DEFINES += QT_DEPRECATED_WARNINGS
 #DEFINES += QT_DISABLE_DEPRECATED_BEFORE=0x060000
 
 SOURCES += \
+        abstractapi.cc \
+        ceaapp.cc \
         main.cc
+
+HEADERS += \
+    abstractapi.h \
+    ceaapp.h