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/****************************************************************************
**
** Copyright (C) 2014 Digia Plc and/or its subsidiary(-ies).
** Contact: http://www.qt-project.org/legal
**
** 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 Digia.  For licensing terms and
** conditions see http://qt.digia.com/licensing.  For further information
** use the contact form at http://qt.digia.com/contact-us.
**
** GNU Lesser General Public License Usage
** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 2.1 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPL included in the
** packaging of this file.  Please review the following information to
** ensure the GNU Lesser General Public License version 2.1 requirements
** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** In addition, as a special exception, Digia gives you certain additional
** rights.  These rights are described in the Digia Qt LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
****************************************************************************/

#ifndef DEBUGGER_DEBUGGERITEMMANAGER_H
#define DEBUGGER_DEBUGGERITEMMANAGER_H

#include "debugger_global.h"
#include "debuggeritem.h"
#include "debuggeritemmodel.h"

#include <QList>
#include <QObject>
#include <QString>

namespace Utils { class PersistentSettingsWriter; }

namespace Debugger {

// -----------------------------------------------------------------------
// DebuggerItemManager
// -----------------------------------------------------------------------

class DEBUGGER_EXPORT DebuggerItemManager : public QObject
{
    Q_OBJECT

public:
    static QObject *instance();
    ~DebuggerItemManager();

    static QList<DebuggerItem> debuggers();

    static QVariant registerDebugger(const DebuggerItem &item);
    static void deregisterDebugger(const QVariant &id);
    static void setItemData(const QVariant &id, const QString& displayName, const Utils::FileName &fileName);

    static const DebuggerItem *findByCommand(const Utils::FileName &command);
    static const DebuggerItem *findById(const QVariant &id);
    static const DebuggerItem *findByEngineType(DebuggerEngineType engineType);

    static void restoreDebuggers();
    static QString uniqueDisplayName(const QString &base);

    static void removeDebugger(const QVariant &id);
    static QVariant addDebugger(const DebuggerItem &item);

signals:
    void debuggerAdded(const QVariant &id);
    void aboutToRemoveDebugger(const QVariant &id);
    void debuggerRemoved(const QVariant &id);
    void debuggerUpdated(const QVariant &id);

public slots:
    void saveDebuggers();

private:
    explicit DebuggerItemManager(QObject *parent = 0);
    static void autoDetectGdbOrLldbDebuggers();
    static void autoDetectCdbDebuggers();
    static void readLegacyDebuggers();
    static void readLegacyDebuggers(const Utils::FileName &file);

    static Utils::PersistentSettingsWriter *m_writer;
    static QList<DebuggerItem> m_debuggers;

    friend class Internal::DebuggerItemModel;
    friend class DebuggerPlugin; // Enable constrcutor for DebuggerPlugin
};

} // namespace Debugger

#endif // DEBUGGER_DEBUGGERITEMMANAGER_H