LedDisplay/LedDisplayController/leddisplaybackend.h

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#ifndef OMOBIDISPLAYBACKEND_H
#define OMOBIDISPLAYBACKEND_H
#include <QObject>
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#include <QTimer>
#include <QJsonDocument>
#include <QCryptographicHash>
#include <QSettings>
#include <QEventLoop>
#include <qbluetoothleuartclient.h>
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#include <leddisplaytextmodel.h>
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class LedDisplayBackend : public QObject
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{
Q_OBJECT
Q_PROPERTY(QBluetoothLeUartClient* bleClient READ getBleClient NOTIFY bleClientChanged)
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Q_PROPERTY(OmobiDisplayAppState state READ getState WRITE setState NOTIFY stateChanged)
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Q_PROPERTY(LedDisplayTextModel* displayTextModel READ getDisplayTextModel NOTIFY displayTextModelChanged)
Q_PROPERTY(QVariantMap displayBrightness READ getDisplayBrightness WRITE setDisplayBrightness NOTIFY displayBrightnessChanged)
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Q_PROPERTY(float loadingProgress READ getLoadingProgress NOTIFY loadingProgressChanged)
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public:
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explicit LedDisplayBackend(QObject *parent = nullptr);
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enum OmobiDisplayAppState {
Idle,
BluetoothOff,
LocationPermissionDenied,
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Scanning,
ReadyToConnect,
Connecting,
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AuthenticationRequired,
Authenticating,
Initing,
Connected,
Loading
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};
Q_ENUM(OmobiDisplayAppState)
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static void init() {
qmlRegisterType<LedDisplayBackend>("de.itsblue.LedDisplayController", 1, 0, "LedDisplayBackend");
qmlRegisterUncreatableType<LedDisplayTextModel>("de.itsblue.LedDisplayController", 1, 0, "LedDisplayTextModel", "LedDisplayTextModel cannot be created");
};
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private:
enum OmobiDisplayCommand {
AuthenticateCommand = 0,
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KeepAliveCommand = 1,
GetAllTextSetsCommand = 10,
GetTextSetParameterCommand = 11,
GetDisplayBrightnessCommand = 12,
SetTextSetParameterCommand = 20,
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SetDisplayBrightnessCommand = 21,
SetDisplayCodeCommand = 22,
SetDisplayNameCommand = 23
};
enum OmobiDisplayTextSetParameter
{
TextParameter = 0,
ActiveParameter,
RuntimeParameter,
ColorParameter,
AlignmentParameter,
ScrollParameter,
ScrollDirectionParameter,
ScrollSpeedParameter,
ScrollCountParameter,
IndexParameter,
DisplayTextSetParameterCount /*!< Just for helping purposes */
};
enum OmobiDisplayStatusCode {
Success = 200,
DisplayControllerError = 501
};
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OmobiDisplayAppState state;
QBluetoothLeUartClient *bleClient;
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QTimer *keepAliveTimer;
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LedDisplayTextModel* displayTextModel;
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int runningCommands;
int waitingCommands;
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float loadingProgress;
QList<QMap<int, QVariant>> textSetsBuffer;
QVariantMap displayBrightness;
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QSettings* settings;
QString lastDisplaySecret;
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public slots:
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Q_INVOKABLE void startScanning();
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Q_INVOKABLE void authenticate(QString secret);
Q_INVOKABLE QBluetoothLeUartClient* getBleClient();
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Q_INVOKABLE OmobiDisplayAppState getState();
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Q_INVOKABLE LedDisplayTextModel* getDisplayTextModel();
Q_INVOKABLE QVariantMap getDisplayBrightness();
Q_INVOKABLE void setDisplayBrightness(QVariantMap brightness);
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Q_INVOKABLE void setDisplayCode(QString code);
Q_INVOKABLE void setDisplayName(QString name);
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Q_INVOKABLE float getLoadingProgress();
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private slots:
void handleBluetoothStateChange(QBluetoothLeUartClient::BluetoothLeUartClientState state);
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void handleFoundNewDevice(QBluetoothLeUartDevice* device);
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void handleBluetoothDeviceConected();
void handleBluetoothScanningError(QBluetoothLeUartClient::BluetoothScanError error);
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void handleDisplayTextModelDataChanged(const QModelIndex &topLeft, const QModelIndex &bottomRight, const QVector<int> &roles = QVector<int>());
void handleDisplayTextModelRowsInserted(const QModelIndex &parent, int first, int last);
void handleDisplayTextModelRowsRemoved(const QModelIndex &parent, int first, int last);
void sendBluetoothCommand(OmobiDisplayCommand command, QVariant data = QVariant());
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void sendBluetoothKeepAlive();
void handleBluetoothDataReceived(QString s);
void updateDisplayTextSetParameter(int index, int parameter);
void updateDisplayTextSetParameter(int index, int parameter, QString value);
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void refreshLoadingState();
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void setState(OmobiDisplayAppState state);
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void setLoadingProgress(float progrss);
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signals:
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void stateChanged();
void bleClientChanged();
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void displayTextModelChanged();
void displayBrightnessChanged();
void commandFinished();
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void loadingProgressChanged();
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};
#endif // OMOBIDISPLAYBACKEND_H