ginebra/graphicsitemflipper.h
changeset 0 1450b09d0cfd
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/ginebra/graphicsitemflipper.h	Tue May 04 12:39:35 2010 +0300
@@ -0,0 +1,56 @@
+/*
+* Copyright (c) 2010 Nokia Corporation and/or its subsidiary(-ies).
+* All rights reserved.
+* This component and the accompanying materials are made available
+* under the terms of "Eclipse Public License v1.0"
+* which accompanies this distribution, and is available
+* at the URL "http://www.eclipse.org/legal/epl-v10.html".
+*
+* Initial Contributors:
+* Nokia Corporation - initial contribution.
+*
+* Contributors:
+*
+* Description: 
+*
+*/
+
+
+#ifndef GRAPHICSITEMFLIPPER_H
+#define GRAPHICSITEMFLIPPER_H
+
+#include <QtGui>
+
+// Implements a "flipping" animation between two QGraphicsItems.  The source
+// item should be hidden after start() is called and the target item should be 
+// shown in response to the finished() signal.  
+class GraphicsItemFlipper : public QObject {
+  Q_OBJECT
+
+public:
+    GraphicsItemFlipper(QGraphicsItem *parent, QGraphicsScene *scene, int duration = 500, uint updateInterval = 10, int zValue = 0);
+    ~GraphicsItemFlipper();
+
+    void start(QGraphicsView *view, QGraphicsWidget *sourceWidget, QGraphicsWidget *targetWidget, bool forward = true);
+
+signals:
+    void starting();
+    void finished();
+
+protected:
+    void getPixmaps(QGraphicsView *view, QGraphicsWidget *sourceWidget, QGraphicsWidget *targetWidget);
+
+protected slots:
+    void updateFlipStep(qreal value);
+    void onFinished();
+
+protected:
+    QGraphicsPixmapItem *m_pixmapItem;
+    QPixmap *m_sourcePixmap;
+    QPixmap *m_targetPixmap;
+    QRectF m_sourceRect;
+    QRectF m_targetRect;
+    QTimeLine m_timeLine;
+};
+
+#endif // GRAPHICSITEMFLIPPER_H