95 lines
2.2 KiB
C++
95 lines
2.2 KiB
C++
/*
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* Copyright (C) 2007 Aaron Seigo <aseigo@kde.org>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU Library General Public License version 2 as
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* published by the Free Software Foundation
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details
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*
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* You should have received a copy of the GNU Library General Public
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* License along with this program; if not, write to the
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* Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*/
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#ifndef PHASE_H
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#define PHASE_H
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#include <QImage>
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#include <QObject>
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#include <plasma/plasma_export.h>
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class QGraphicsItem;
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class QTimeLine;
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namespace Plasma
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{
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/**
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* @short A system for applying effects to Plasma elements
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*/
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class PLASMA_EXPORT Phase : public QObject
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{
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Q_OBJECT
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public:
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enum Animation
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{
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Appear = 0 /*<< When some appears in the Corona */,
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Disappear /*<< When something is about to disappear */,
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Activate /*<< When something is activated or launched, such as an app icon being clicked */,
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FrameAppear /*<< Make a frame appear around an object */
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};
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enum RenderOp
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{
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RenderBackground = 0 /*<< Render the background of an item */
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};
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/**
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* Singleton accessor
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**/
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static Phase* self();
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explicit Phase(QObject * parent = 0);
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~Phase();
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Q_SIGNALS:
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void animationComplete(QGraphicsItem* item, Animation anim);
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public Q_SLOTS:
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void animate(QGraphicsItem* item, Animation anim);
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void render(QGraphicsItem* item, QImage& image, RenderOp op);
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protected Q_SLOTS:
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void appletDestroyed(QObject*);
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void advanceFrame(int frame, QTimeLine* timeLine);
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/**
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* NEVER call this method directly, as it relies on sender()
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*/
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void advanceFrame(int frame);
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/**
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* NEVER call this method directly, as it relies on sender()
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*/
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void animationComplete();
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private:
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void init();
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class Private;
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Private * const d;
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};
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} // namespace Plasma
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#endif
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