Initial commit

Lts/Services/AudioVideoManagement/ava_state.h

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+/**
+  * @RDE_HEADER@
+  * AvaState
+  * $Id$
+  * $HeadURL$
+  * $Author$
+  * Created by Christian Fröbel, SLSE, 2017-07-24
+  */
+
+#pragma once
+
+#include "ava_types.h"
+#include "rt_state.h"
+#include "avm_export.h"
+#include <QString>
+#include <QStringList>
+#include <QMap>
+#include <QObject>
+
+namespace AudioVideoManagement
+{
+
+class AvaSession;
+
+/**
+ * This class observes the communication from AVS_Workstation to our application.
+ * It observes the responses sent from AVS_Workstation to us as a result of commands
+ * issued by possibly many client-side users of the single communication channel.
+ * By observing the responses it builds up a mirrored state of the AVS_Workstation
+ * in terms of our application's needs.
+ *
+ * After instantiating this class or after a re-connect, AvaState activly queries
+ * the list of streams. After that point AvaState is passive only.
+ *
+ * @author Christian Fröbel
+ */
+class AVM_COMMON_EXPORT AvaState : public QObject
+{
+  Q_OBJECT
+
+public:
+  explicit AvaState(AvaSession *session);
+
+  /** Resembles ScrEdAvInterface::getVideoProfile() */
+  const QMap<QString, QMap<QString, AvaStreamState>> &videoProfile() const { return m_videoState; }
+
+  QStringList currentLiveVideoStreams() const;
+
+  // the first one is the selected one (if any)
+  QStringList getRtProfile() const;
+
+  RtState *rtState() { return &m_rtState; }
+  
+private slots:
+  void onDisconnected();
+  void onSessionEstablished();
+
+  void onStreamStateReceived(const QString &dialogId, const QString &streamName, AvaStreamState);
+
+  void onSumChannelStateReceived(AvaSumChannel sumChannel);
+  void onRtChoiceUnitStateReceived(AvaRtPos pos, const QString &streamName, AvaRtButtonState buttonState);
+  void onRtVolumeUserReceived(const QString &streamName, AvaVolume volume);
+
+private:
+  //AvaSession   *m_session;
+  RtState       m_rtState;
+
+  /** QMap<dialogId, QMap<streamName, AvaStreamState>> */
+  QMap<QString, QMap<QString, AvaStreamState>>    m_videoState;
+};
+
+} // namespace AudioVideoManagement