ui/views/fullscreenview/inc/glxzoomslider.h
changeset 23 74c9f037fd5d
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/ui/views/fullscreenview/inc/glxzoomslider.h	Fri Mar 19 09:28:59 2010 +0200
@@ -0,0 +1,51 @@
+/*
+* Copyright (c) 2009 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:   ?Description
+*
+*/
+#ifndef GLXZOOMSLIDER_H
+#define GLXZOOMSLIDER_H
+#include <QObject>
+#include <QSize>
+class HbSlider;
+class GlxMediaModel;
+class QAbstractItemModel;
+class QGraphicsItem;
+class GlxZoomSlider : public QObject
+{
+Q_OBJECT
+
+public:
+	GlxZoomSlider (QGraphicsItem *parent = NULL);
+	~GlxZoomSlider ();
+	void setModel (QAbstractItemModel *model);
+    void indexChanged (int index);
+signals:
+	void valueChanged(int newValue);
+	void initialZoomFactor(int initZoomFactor);
+public slots:
+	void toggleSliderVisibility();
+	void filterandEmitSliderValueChanges(int newValue);
+	void sliderThumbPressed();
+	void sliderThumbReleased();
+private:
+	void retrieveActualAndDisplayedSize(QSize& itemsize, QSize& displayedSize);
+	int calculateZoomFactor(QSize& itemsize, QSize& displayedSize);
+	void calculateAndInitializeFSZoomFactor();
+	HbSlider* mZoomSlider;
+	bool isSliderVisible; 
+	bool mSliderThumbPressed;
+	GlxMediaModel *mModel; //not owned
+};
+#endif //GLXZOOMSLIDER_H