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/* ============================================================
*
* This file is a part of the rekonq project
*
* Copyright (C) 2010 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/>.
*
* ============================================================ */
#include "notificationbar.h"

#include <QApplication>
#include <QColor>
#include <QGraphicsEffect>
#include <QPainter>
#include <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;

};


NotificationBar::NotificationBar(QWidget *parent)
    : QWidget(parent)
    , m_blinkEffect(new BlinkEffect(this))
    , m_opacityAnimation(new QPropertyAnimation(m_blinkEffect, "opacity"))
{
    m_blinkEffect->setOpacity(0);
    setGraphicsEffect(m_blinkEffect);
}

void NotificationBar::notifyUser(int animationDuration)
{
    m_opacityAnimation->setDuration(animationDuration);
    m_opacityAnimation->setStartValue(0.9);
    m_opacityAnimation->setEndValue(0.0);
    m_opacityAnimation->start();

}

#include "notificationbar.moc"