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** Copyright (C) 2014 Digia Plc and/or its subsidiary(-ies).
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** This file is part of Qt Creator.
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** General Public License version 2.1 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPL included in the
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****************************************************************************/

#ifndef ENVIRONMENTASPECT_H
#define ENVIRONMENTASPECT_H

#include "projectexplorer_export.h"

#include "runconfiguration.h"

#include <utils/environment.h>

#include <QList>
#include <QVariantMap>

namespace ProjectExplorer {

class PROJECTEXPLORER_EXPORT EnvironmentAspect : public IRunConfigurationAspect
{
    Q_OBJECT

public:
    // IRunConfigurationAspect:
    RunConfigWidget *createConfigurationWidget();

    virtual QList<int> possibleBaseEnvironments() const = 0;
    virtual QString baseEnvironmentDisplayName(int base) const = 0;

    int baseEnvironmentBase() const;
    void setBaseEnvironmentBase(int base);

    QList<Utils::EnvironmentItem> userEnvironmentChanges() const { return m_changes; }
    void setUserEnvironmentChanges(const QList<Utils::EnvironmentItem> &diff);

    virtual Utils::Environment baseEnvironment() const = 0;
    virtual Utils::Environment environment() const;

signals:
    void baseEnvironmentChanged();
    void userEnvironmentChangesChanged(const QList<Utils::EnvironmentItem> &diff);
    void environmentChanged();

protected:
    explicit EnvironmentAspect(RunConfiguration *rc);
    void fromMap(const QVariantMap &map);
    void toMap(QVariantMap &map) const;

private:
    mutable int m_base;
    QList<Utils::EnvironmentItem> m_changes;
};

} // namespace ProjectExplorer

#endif // ENVIRONMENTASPECT_H