qds: make code reusable

Change-Id: Ic11917f8a442a1ed15482a1ea492a7cef9f2a7ff
Reviewed-by: <github-actions-qt-creator@cristianadam.eu>
Reviewed-by: Qt CI Bot <qt_ci_bot@qt-project.org>
Reviewed-by: Thomas Hartmann <thomas.hartmann@qt.io>

src/libs/utils/CMakeLists.txt

@@ -34,6 +34,7 @@ add_qtc_library(Utils
     differ.cpp differ.h
     displayname.cpp displayname.h
     dropsupport.cpp dropsupport.h
+    dynamiclicensecheck.h
     elfreader.cpp elfreader.h
     elidinglabel.cpp elidinglabel.h
     environment.cpp environment.h

src/libs/utils/dynamiclicensecheck.h

@@ -0,0 +1,68 @@
+/****************************************************************************
+**
+** Copyright (C) 2022 The Qt Company Ltd.
+** Contact: https://www.qt.io/licensing/
+**
+** This file is part of Qt Creator.
+**
+** Commercial License Usage
+** Licensees holding valid commercial Qt licenses may use this file in
+** accordance with the commercial license agreement provided with the
+** Software or, alternatively, in accordance with the terms contained in
+** a written agreement between you and The Qt Company. For licensing terms
+** and conditions see https://www.qt.io/terms-conditions. For further
+** information use the contact form at https://www.qt.io/contact-us.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3 as published by the Free Software
+** Foundation with exceptions as appearing in the file LICENSE.GPL3-EXCEPT
+** included in the packaging of this file. Please review the following
+** information to ensure the GNU General Public License requirements will
+** be met: https://www.gnu.org/licenses/gpl-3.0.html.
+**
+****************************************************************************/
+
+#pragma once
+
+#include <extensionsystem/pluginmanager.h>
+#include <extensionsystem/pluginspec.h>
+#include <extensionsystem/iplugin.h>
+
+#include <utils/predicates.h>
+#include <utils/algorithm.h>
+
+#include <QMetaObject>
+
+namespace Utils {
+
+enum FoundLicense {
+    community,
+    professional,
+    enterprise
+};
+
+FoundLicense checkLicense() {
+    const ExtensionSystem::PluginSpec *pluginSpec = Utils::findOrDefault(
+        ExtensionSystem::PluginManager::plugins(),
+        Utils::equal(&ExtensionSystem::PluginSpec::name, QString("LicenseChecker")));
+
+    if (!pluginSpec)
+        return community;
+
+    ExtensionSystem::IPlugin *plugin = pluginSpec->plugin();
+
+    if (!plugin)
+        return community;
+
+    bool retVal = false;
+    bool success = QMetaObject::invokeMethod(plugin,
+                                             "qdsEnterpriseLicense",
+                                             Qt::DirectConnection,
+                                             Q_RETURN_ARG(bool, retVal));
+    if (success && retVal)
+        return enterprise;
+
+    return professional;
+}
+} // namespace Utils

src/plugins/studiowelcome/studiowelcomeplugin.cpp

@@ -39,9 +39,6 @@
 #include <coreplugin/imode.h>
 #include <coreplugin/modemanager.h>
 
-#include <extensionsystem/pluginmanager.h>
-#include <extensionsystem/pluginspec.h>
-
 #include <projectexplorer/jsonwizard/jsonwizardfactory.h>
 #include <projectexplorer/projectexplorer.h>
 #include <projectexplorer/projectexplorerconstants.h>
@@ -59,6 +56,7 @@
 #include <utils/mimetypes/mimedatabase.h>
 #include <utils/stringutils.h>
 #include <utils/theme/theme.h>
+#include <utils/dynamiclicensecheck.h>
 
 #include <QAbstractListModel>
 #include <QApplication>
@@ -302,35 +300,9 @@ private:
 
 void ProjectModel::setupVersion()
 {
-    const ExtensionSystem::PluginSpec *pluginSpec = Utils::findOrDefault(
-        ExtensionSystem::PluginManager::plugins(),
-        Utils::equal(&ExtensionSystem::PluginSpec::name, QString("LicenseChecker")));
-
-    if (!pluginSpec)
-        return;
-
-    ExtensionSystem::IPlugin *plugin = pluginSpec->plugin();
-
-    if (!plugin)
-        return;
-
-    m_communityVersion = false;
-
-    bool retVal = false;
-    bool success = QMetaObject::invokeMethod(plugin,
-                                             "qdsEnterpriseLicense",
-                                             Qt::DirectConnection,
-                                             Q_RETURN_ARG(bool, retVal));
-
-    if (!success) {
-        qWarning("Check for Qt Design Studio Enterprise License failed.");
-        return;
-    }
-    if (!retVal) {
-        qWarning("No Qt Design Studio Enterprise License. Disabling asset importer.");
-        return;
-    }
-    m_enterpriseVersion = true;
+    Utils::FoundLicense license = Utils::checkLicense();
+    m_communityVersion = license == Utils::FoundLicense::community;
+    m_enterpriseVersion = license == Utils::FoundLicense::enterprise;
 }
 
 ProjectModel::ProjectModel(QObject *parent)