/****************************************************************************
**
** Copyright (C) 2012 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 SEMANTICINFOUPDATER_H
#define SEMANTICINFOUPDATER_H

#include "qmljseditor.h"

#include <QWaitCondition>
#include <QModelIndex>
#include <QMutex>
#include <QThread>

namespace QmlJSEditor {
namespace Internal {

class SemanticInfoUpdater: public QThread
{
    Q_OBJECT

public:
    SemanticInfoUpdater(QObject *parent = 0);
    virtual ~SemanticInfoUpdater();

    void abort();
    void update(const QmlJS::Document::Ptr &doc, const QmlJS::Snapshot &snapshot);
    void reupdate(const QmlJS::Snapshot &snapshot);

Q_SIGNALS:
    void updated(const QmlJSTools::SemanticInfo &semanticInfo);

protected:
    virtual void run();

private:
    QmlJSTools::SemanticInfo makeNewSemanticInfo(const QmlJS::Document::Ptr &doc,
                                                 const QmlJS::Snapshot &snapshot);

private:
    QMutex m_mutex;
    QWaitCondition m_condition;
    bool m_wasCancelled;
    QmlJS::Document::Ptr m_sourceDocument;
    QmlJS::Snapshot m_sourceSnapshot;
    QmlJSTools::SemanticInfo m_lastSemanticInfo;
};

} // namespace Internal
} // namespace QmlJSEditor

#endif // SEMANTICINFOUPDATER_H