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**
** Copyright (C) 2014 Digia Plc and/or its subsidiary(-ies).
** Contact: http://www.qt-project.org/legal
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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
** packaging of this file.  Please review the following information to
** ensure the GNU Lesser General Public License version 2.1 requirements
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****************************************************************************/

#ifndef FUTUREPROGRESS_H
#define FUTUREPROGRESS_H

#include <coreplugin/core_global.h>
#include <coreplugin/id.h>

#include <QString>
#include <QFuture>
#include <QWidget>

namespace Core {
class FutureProgressPrivate;

class CORE_EXPORT FutureProgress : public QWidget
{
    Q_OBJECT

public:
    enum KeepOnFinishType {
        HideOnFinish = 0,
        KeepOnFinishTillUserInteraction = 1,
        KeepOnFinish = 2
    };
    explicit FutureProgress(QWidget *parent = 0);
    virtual ~FutureProgress();

    virtual bool eventFilter(QObject *object, QEvent *);

    void setFuture(const QFuture<void> &future);
    QFuture<void> future() const;

    void setTitle(const QString &title);
    QString title() const;

    void setType(Id type);
    Id type() const;

    void setKeepOnFinish(KeepOnFinishType keepType);
    bool keepOnFinish() const;

    bool hasError() const;

    void setWidget(QWidget *widget);
    QWidget *widget() const;

    void setStatusBarWidget(QWidget *widget);
    QWidget *statusBarWidget() const;

    bool isFading() const;

    QSize sizeHint() const;

signals:
    void clicked();
    void finished();
    void canceled();
    void removeMe();
    void hasErrorChanged();
    void fadeStarted();

    void statusBarWidgetChanged();

protected:
    void mousePressEvent(QMouseEvent *event);
    void paintEvent(QPaintEvent *);

private slots:
    void updateToolTip(const QString &);
    void cancel();
    void setStarted();
    void setFinished();
    void setProgressRange(int min, int max);
    void setProgressValue(int val);
    void setProgressText(const QString &text);

private:
    friend class FutureProgressPrivate; // for sending signal
    FutureProgressPrivate *d;
};

} // namespace Core

#endif // FUTUREPROGRESS_H
