ATLauncher: Move the UI support implementation into it's own class

This will allow it to be used in multiple locations.

launcher/ui/pages/modplatform/atlauncher/AtlUserInteractionSupportImpl.h

@@ -0,0 +1,56 @@
+// SPDX-License-Identifier: GPL-3.0-only
+/*
+ *  PolyMC - Minecraft Launcher
+ *  Copyright (c) 2022 Jamie Mansfield <jmansfield@cadixdev.org>
+ *
+ *  This program is free software: you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation, version 3.
+ *
+ *  This program is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ *
+ * This file incorporates work covered by the following copyright and
+ * permission notice:
+ *
+ *      Copyright 2020-2021 Jamie Mansfield <jmansfield@cadixdev.org>
+ *
+ *      Licensed under the Apache License, Version 2.0 (the "License");
+ *      you may not use this file except in compliance with the License.
+ *      You may obtain a copy of the License at
+ *
+ *          http://www.apache.org/licenses/LICENSE-2.0
+ *
+ *      Unless required by applicable law or agreed to in writing, software
+ *      distributed under the License is distributed on an "AS IS" BASIS,
+ *      WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ *      See the License for the specific language governing permissions and
+ *      limitations under the License.
+ */
+
+#pragma once
+
+#include <QObject>
+
+#include "modplatform/atlauncher/ATLPackInstallTask.h"
+
+class AtlUserInteractionSupportImpl : public QObject, public ATLauncher::UserInteractionSupport {
+    Q_OBJECT
+
+public:
+    AtlUserInteractionSupportImpl(QWidget* parent);
+
+private:
+    QString chooseVersion(Meta::VersionListPtr vlist, QString minecraftVersion) override;
+    QVector<QString> chooseOptionalMods(ATLauncher::PackVersion version, QVector<ATLauncher::VersionMod> mods) override;
+    void displayMessage(QString message) override;
+
+private:
+    QWidget* m_parent;
+
+};