/* ============================================================
*
* This file is a part of the rekonq project
*
* Copyright (C) 2010-2011 by Pierre Rossi <pierre dot rossi at gmail dot com>
*
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation; either version 2 of
* the License or (at your option) version 3 or any later version
* accepted by the membership of KDE e.V. (or its successor approved
* by the membership of KDE e.V.), which shall act as a proxy
* defined in Section 14 of version 3 of the license.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program.  If not, see <http://www.gnu.org/licenses/>.
*
* ============================================================ */

#ifndef NOTIFICATIONBAR_H
#define NOTIFICATIONBAR_H

// Qt Includes
#include <QApplication>
#include <QColor>
#include <QGraphicsEffect>
#include <QPainter>
#include <QPropertyAnimation>
#include <QWidget>

// Forward Declarations
class QPropertyAnimation;

class BlinkEffect : public QGraphicsEffect
{
    Q_OBJECT
    Q_PROPERTY(qreal opacity READ opacity WRITE setOpacity)

public:
    BlinkEffect(QObject *parent = 0)
            : QGraphicsEffect(parent)
            , m_opacity(0)
            , m_backgroundColor(QApplication::palette().highlight().color().lighter())
    {}

    qreal opacity() const
    {
        return m_opacity;
    }
    void setOpacity(qreal opacity)
    {
        m_opacity = opacity;
        update();
    }

protected:
    void draw(QPainter *painter)
    {
        painter->drawPixmap(QPoint(0, 0), sourcePixmap());
        painter->setOpacity(m_opacity);
        painter->fillRect(boundingRect(), m_backgroundColor);
    }

private:
    double m_opacity;
    QColor m_backgroundColor;

};

class NotificationBar : public QWidget
{
    Q_OBJECT
public:
    explicit NotificationBar(QWidget *parent = 0);
    ~NotificationBar();

    void notifyUser(int animationDuration = 400);

private:
    BlinkEffect *m_blinkEffect;
    QPropertyAnimation *m_opacityAnimation;
protected slots:
    void destroy();

};

#endif // NOTIFICATIONBAR_H