#############################################################################
##
## Copyright (C) 2017 Klarälvdalens Datakonsult AB, a KDAB Group company, info@kdab.com, author Milian Wolff <milian.wolff@kdab.com>
## Copyright (C) 2020 The Qt Company Ltd.
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## This file is part of the Qt for Python examples of the Qt Toolkit.
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from PySide2.QtCore import QObject, Signal, Slot


class Core(QObject):
    """An instance of this class gets published over the WebChannel and is then
       accessible to HTML clients."""
    sendText = Signal(str)

    def __init__(self, dialog, parent=None):
        super(Core, self).__init__(parent)
        self._dialog = dialog
        self._dialog.sendText.connect(self._emit_send_text)

    @Slot(str)
    def _emit_send_text(self, text):
        self.sendText.emit(text)

    @Slot(str)
    def receiveText(self, text):
        self._dialog.displayMessage("Received message: {}".format(text))