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diff --git a/src/libs/utils/infobar.h b/src/libs/utils/infobar.h
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+/****************************************************************************
+**
+** Copyright (C) 2020 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 "id.h"
+#include "utils_global.h"
+
+#include <QFrame>
+#include <QObject>
+#include <QSet>
+
+#include <functional>
+
+QT_BEGIN_NAMESPACE
+class QBoxLayout;
+class QSettings;
+QT_END_NAMESPACE
+
+namespace Utils {
+
+class InfoBar;
+class InfoBarDisplay;
+class Theme;
+
+class QTCREATOR_UTILS_EXPORT InfoBarEntry
+{
+public:
+    enum class GlobalSuppression
+    {
+        Disabled,
+        Enabled
+    };
+
+    InfoBarEntry(Id _id, const QString &_infoText, GlobalSuppression _globalSuppression = GlobalSuppression::Disabled);
+
+    using CallBack = std::function<void()>;
+    void setCustomButtonInfo(const QString &_buttonText, CallBack callBack);
+    void setCancelButtonInfo(CallBack callBack);
+    void setCancelButtonInfo(const QString &_cancelButtonText, CallBack callBack);
+    using ComboCallBack = std::function<void(const QString &)>;
+    void setComboInfo(const QStringList &list, ComboCallBack callBack);
+    void removeCancelButton();
+
+    using DetailsWidgetCreator = std::function<QWidget*()>;
+    void setDetailsWidgetCreator(const DetailsWidgetCreator &creator);
+
+private:
+    Id m_id;
+    QString m_infoText;
+    QString m_buttonText;
+    CallBack m_buttonCallBack;
+    QString m_cancelButtonText;
+    CallBack m_cancelButtonCallBack;
+    GlobalSuppression m_globalSuppression;
+    DetailsWidgetCreator m_detailsWidgetCreator;
+    bool m_useCancelButton = true;
+    ComboCallBack m_comboCallBack;
+    QStringList m_comboInfo;
+    friend class InfoBar;
+    friend class InfoBarDisplay;
+};
+
+class QTCREATOR_UTILS_EXPORT InfoBar : public QObject
+{
+    Q_OBJECT
+
+public:
+    void addInfo(const InfoBarEntry &info);
+    void removeInfo(Id id);
+    bool containsInfo(Id id) const;
+    void suppressInfo(Id id);
+    bool canInfoBeAdded(Id id) const;
+    void unsuppressInfo(Id id);
+    void clear();
+    static void globallySuppressInfo(Id id);
+    static void globallyUnsuppressInfo(Id id);
+    static void clearGloballySuppressed();
+    static bool anyGloballySuppressed();
+
+    static void initialize(QSettings *settings, Theme *theme);
+
+signals:
+    void changed();
+
+private:
+    static void writeGloballySuppressedToSettings();
+
+private:
+    QList<InfoBarEntry> m_infoBarEntries;
+    QSet<Id> m_suppressed;
+
+    static QSet<Id> globallySuppressed;
+    static QSettings *m_settings;
+    static Theme *m_theme;
+
+    friend class InfoBarDisplay;
+};
+
+class QTCREATOR_UTILS_EXPORT InfoBarDisplay : public QObject
+{
+    Q_OBJECT
+
+public:
+    InfoBarDisplay(QObject *parent = nullptr);
+    void setTarget(QBoxLayout *layout, int index);
+    void setInfoBar(InfoBar *infoBar);
+    void setStyle(QFrame::Shadow style);
+
+    InfoBar *infoBar() const;
+
+private:
+    void update();
+    void infoBarDestroyed();
+    void widgetDestroyed();
+
+    QList<QWidget *> m_infoWidgets;
+    InfoBar *m_infoBar = nullptr;
+    QBoxLayout *m_boxLayout = nullptr;
+    QFrame::Shadow m_style = QFrame::Raised;
+    int m_boxIndex = 0;
+    bool m_isShowingDetailsWidget = false;
+};
+
+} // namespace Utils