wallpaperscript.h

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/*
 *   Copyright 2009 by Aaron Seigo <aseigo@kde.org>
 *   Copyright 2009 by Petri Damsten <damu@iki.fi>
 *
 *   This program is free software; you can redistribute it and/or modify
 *   it under the terms of the GNU Library General Public License as
 *   published by the Free Software Foundation; either version 2, or
 *   (at your option) any later version.
 *
 *   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 Library General Public
 *   License along with this program; if not, write to the
 *   Free Software Foundation, Inc.,
 *   51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
 */

#ifndef PLASMA_WALLPAPERSCRIPT_H
#define PLASMA_WALLPAPERSCRIPT_H

#include <kgenericfactory.h>
#include <kplugininfo.h>

#include <plasma/plasma_export.h>
#include <plasma/scripting/scriptengine.h>
#include <plasma/wallpaper.h>

namespace Plasma
{

class WallpaperScriptPrivate;
class Service;

class PLASMA_EXPORT WallpaperScript : public ScriptEngine
{
    Q_OBJECT

public:
    explicit WallpaperScript(QObject *parent = 0);
    ~WallpaperScript();

    void setWallpaper(Wallpaper *wallpaper);

    Wallpaper *wallpaper() const;

    virtual void initWallpaper(const KConfigGroup &config);

    virtual void paint(QPainter *painter, const QRectF &exposedRect);

    virtual void save(KConfigGroup &config);

    virtual QWidget *createConfigurationInterface(QWidget *parent);

    virtual void mouseMoveEvent(QGraphicsSceneMouseEvent *event);

    virtual void mousePressEvent(QGraphicsSceneMouseEvent *event);

    virtual void mouseReleaseEvent(QGraphicsSceneMouseEvent *event);

    virtual void wheelEvent(QGraphicsSceneWheelEvent *event);

protected:
    QString mainScript() const;

    const Package *package() const;

    KPluginInfo description() const;

    bool isInitialized() const;
    QRectF boundingRect() const;
    DataEngine *dataEngine(const QString &name) const;
    void setResizeMethodHint(Wallpaper::ResizeMethod resizeMethod);
    void setTargetSizeHint(const QSizeF &targetSize);
    void setConfigurationRequired(bool needsConfiguring, const QString &reason = QString());
    void render(const QString &sourceImagePath, const QSize &size,
                Wallpaper::ResizeMethod resizeMethod = Plasma::Wallpaper::ScaledResize,
                const QColor &color = QColor(0, 0, 0));
    void setUsingRenderingCache(bool useCache);
    bool findInCache(const QString &key, QImage &image, unsigned int lastModified = 0);
    void insertIntoCache(const QString& key, const QImage &image);
    void setContextualActions(const QList<QAction*> &actions);
    void update(const QRectF &exposedArea);
    void configNeedsSaving();

protected Q_SLOTS:
    virtual void renderCompleted(const QImage &image);
    virtual void urlDropped(const KUrl &url);

private:
    WallpaperScriptPrivate *const d;
};

#define K_EXPORT_PLASMA_WALLPAPERSCRIPTENGINE(libname, classname) \
K_PLUGIN_FACTORY(factory, registerPlugin<classname>();) \
K_EXPORT_PLUGIN(factory("plasma_wallpaperscriptengine_" #libname))

} //Plasma namespace

#endif