plasma-framework/phase.h

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/*
* Copyright (C) 2007 Aaron Seigo <aseigo@kde.org>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU Library General Public License version 2 as
* published by the Free Software Foundation
*
* 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 PHASE_H
#define PHASE_H
#include <QImage>
#include <QObject>
#include <plasma/plasma_export.h>
class QGraphicsItem;
class QTimeLine;
namespace Plasma
{
/**
* @short A system for applying effects to Plasma elements
*/
class PLASMA_EXPORT Phase : public QObject
{
Q_OBJECT
public:
enum Animation
{
Appear = 0 /*<< When some appears in the Corona */,
Disappear /*<< When something is about to disappear */,
Activate /*<< When something is activated or launched, such as an app icon being clicked */,
FrameAppear /*<< Make a frame appear around an object */
};
enum RenderOp
{
RenderBackground = 0 /*<< Render the background of an item */
};
explicit Phase(QObject * parent = 0);
~Phase();
Q_SIGNALS:
void animationComplete(QGraphicsItem* item, Animation anim);
public Q_SLOTS:
void animate(QGraphicsItem* item, Animation anim);
void render(QGraphicsItem* item, QImage& image, RenderOp op);
protected Q_SLOTS:
void appletDestroyed(QObject*);
void advanceFrame(int frame, QTimeLine* timeLine);
/**
* NEVER call this method directly, as it relies on sender()
*/
void advanceFrame(int frame);
/**
* NEVER call this method directly, as it relies on sender()
*/
void animationComplete();
private:
void init();
class Private;
Private * const d;
};
} // namespace Plasma
#endif