Add interface files

messageviewer/src/messageviewercheckbeforedeletingplugins/messageviewercheckbeforedeletinginterface.cpp

+/*
+   SPDX-FileCopyrightText: 2021 Laurent Montel <montel@kde.org>
+
+   SPDX-License-Identifier: LGPL-2.0-or-later
+*/
+
+#include "messageviewercheckbeforedeletinginterface.h"
+
+using namespace MessageViewer;
+
+class MessageViewer::MessageViewerCheckBeforeDeletingInterfacePrivate
+{
+public:
+    MessageViewerCheckBeforeDeletingInterfacePrivate()
+    {
+    }
+
+    QWidget *mParentWidget = nullptr;
+};
+
+MessageViewerCheckBeforeDeletingInterface::MessageViewerCheckBeforeDeletingInterface(QObject *parent)
+    : QObject(parent)
+    , d(new MessageViewer::MessageViewerCheckBeforeDeletingInterfacePrivate)
+{
+}
+
+MessageViewerCheckBeforeDeletingInterface::~MessageViewerCheckBeforeDeletingInterface()
+{
+    delete d;
+}
+
+void MessageViewerCheckBeforeDeletingInterface::setParentWidget(QWidget *parent)
+{
+    d->mParentWidget = parent;
+}
+
+QWidget *MessageViewerCheckBeforeDeletingInterface::parentWidget() const
+{
+    return d->mParentWidget;
+}
+
+void MessageViewerCheckBeforeDeletingInterface::reloadConfig()
+{
+    // Reimplement it
+}

messageviewer/src/messageviewercheckbeforedeletingplugins/messageviewercheckbeforedeletinginterface.h

+/*
+   SPDX-FileCopyrightText: 2021 Laurent Montel <montel@kde.org>
+
+   SPDX-License-Identifier: LGPL-2.0-or-later
+*/
+
+#pragma once
+
+#include "messagecomposer_export.h"
+#include "plugineditorcheckbeforesendparams.h"
+#include <QObject>
+
+namespace MessageViewer
+{
+class MessageViewerCheckBeforeDeletingInterfacePrivate;
+/**
+ * @brief The MessageViewerCheckBeforeDeletingInterface class
+ * @author Laurent Montel <montel@kde.org>
+ */
+class MESSAGECOMPOSER_EXPORT MessageViewerCheckBeforeDeletingInterface : public QObject
+{
+    Q_OBJECT
+public:
+    explicit MessageViewerCheckBeforeDeletingInterface(QObject *parent = nullptr);
+    ~MessageViewerCheckBeforeDeletingInterface() override;
+
+    void setParentWidget(QWidget *parent);
+    Q_REQUIRED_RESULT QWidget *parentWidget() const;
+
+    // TODO add virtual method
+
+public Q_SLOTS:
+    virtual void reloadConfig();
+
+private:
+    MessageViewerCheckBeforeDeletingInterfacePrivate *const d;
+};
+}