ui/views/fullscreenview/inc/glxzoomcontrol.h
changeset 23 74c9f037fd5d
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/ui/views/fullscreenview/inc/glxzoomcontrol.h	Fri Mar 19 09:28:59 2010 +0200
@@ -0,0 +1,63 @@
+/*
+* 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 GLXZOOMCONTROL_H
+#define GLXZOOMCONTROL_H
+#include <hbscrollarea.h>
+
+class GlxMediaModel;
+class QAbstractItemModel;
+class HbIconItem;
+class GlxImageDecoderWrapper;
+class GlxZoomControl : public HbScrollArea
+{
+Q_OBJECT
+
+public:
+	GlxZoomControl(QGraphicsItem *parent = NULL);
+	~GlxZoomControl();
+	void setModel (QAbstractItemModel *model);
+    void indexChanged (int index);
+	void setWindowSize (QSize windowSize);
+signals:
+	void hideFullScreenUi();
+public slots:
+	void zoomImage(int zoomFactor);
+	void decodedImageAvailable();
+	void initialZoomFactor(int initZoomFactor);
+private:
+	void initializeZoomControl(int zoomFactor);
+	void resetZoomControl();
+	void updateItemPosition();
+	void calculatePanOffset();
+	void checkandAdjustImageBoundaries(QPointF &finalPos, QPointF undefferedPos);
+
+private:
+	QGraphicsPixmapItem *mZoomItem;
+	QGraphicsWidget *mZoomWidget;
+	GlxImageDecoderWrapper* mImageDecoder;
+	HbIconItem *mBlackBackgroundItem;
+	QSizeF mCurrentSize;
+	QSizeF mItemSize;
+	GlxMediaModel *mModel; //not owned
+	int mInitialZoomFactor;
+	int mCurrentZoomFactor;
+	bool mIsControlActivated;
+	bool mIsItemChanged;
+	QSize mWindowSize;
+	QPointF mPanOffset;
+};
+#endif //GLXZOOMCONTROL_h