/* ============================================================
*
* This file is a part of the rekonq project
*
* Copyright (C) 2009 Nokia Corporation <qt-info@nokia.com>
* Copyright (C) 2009-2010 by Andrea Diamantini <adjam7 at gmail dot com>
* Copyright (C) 2010 by Matthieu Gicquel <matgic78 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 WEB_SNAP_H
#define WEB_SNAP_H

// Local Includes
#include "rekonqprivate_export.h"

// KDE Includes
#include <KUrl>

// Qt Includes
#include <QtCore/QObject>
#include <QPixmap>
#include <QImage>
#include <QWebPage>

#define WIDTH  200
#define HEIGHT 150


/**
 * This class is used in many classes of rekonq to produce an image 
 * based on the site corresponding to the url passed as argument.
 * It also cached the images to not retrieve them every time :)
 *
 * Heavily based on Graphics-Dojo WebSnap example (thanks!)
 *
 * We use this in the following rekonq classes:
 * - TabBar class:          to show a tab preview                (given a page, you show WITHOUT saving an image)
 * - NewTabPage class:      to show the favorites page "preview" (given an url, you show AND save an image)
 * - PreviewSelector class: to save new favorite selection       (given a page, you show AND save an image)
 *
 */
class REKONQ_TESTS_EXPORT WebSnap : public QObject
{
    Q_OBJECT

public:
    WebSnap(const QUrl &url, QWebFrame *frame, int index);
       
    static QPixmap renderPreview(const QWebPage &page, int w = WIDTH, int h = HEIGHT, bool save = true);
        
    static KUrl fileForUrl(KUrl url);
    static QString guessNameFromUrl(QUrl url);
    
    QString snapTitle();

private slots:
    void load();
    void saveResult(bool ok = true);

private:
    QWebPage m_page;
    QPixmap m_image;

    QUrl m_url;
    QString m_snapTitle;
    
    QWebFrame *m_frame;
    int m_previewIndex;
};

#endif // WEB_SNAP_H