Reworked the way qml create sliders

Use the qml MVC to populate a ListView with components based on a template
VolumeSlider. Should now handle potential disconnections, volume changes
by third-party and also fix the issue where sliders are set to 0 at
startup.

Change-Id: I2961d5a1584a121c473ece253faa90a747c64445
Signed-off-by: Loïc Collignon <loic.collignon@iot.bzh>

1 files changed, 38 insertions, 0 deletions

diff --git a/app/audiorole.hpp b/app/audiorole.hpp
new file mode 100644
index 0000000..afc3665
--- /dev/null
+++ b/app/audiorole.hpp
@@ -0,0 +1,38 @@
+#ifndef AUDIOROLE_H
+#define AUDIOROLE_H
+
+#include <QObject>
+
+class AudioRole
+	: public QObject
+{
+	Q_OBJECT
+	Q_PROPERTY(QString name READ Name WRITE setName NOTIFY NameChanged)
+	Q_PROPERTY(int value READ Value WRITE setValue NOTIFY ValueChanged)
+
+private:
+	QString m_Name;
+	int m_Value;
+	int m_Updating;
+
+public:
+	explicit AudioRole(QObject* parent = nullptr);
+	explicit AudioRole(const QString& name, int value, QObject* parent = nullptr);
+
+	QString Name() const;
+	void setName(const QString& name);
+
+	int Value() const;
+	void setValue(int value);
+
+	void BeginUpdate();
+	void EndUpdate();
+
+signals:
+	void NameChanged();
+	void ValueChanged();
+
+public slots:
+};
+
+#endif // AUDIOROLE_H