--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/camerauis/cameraxui/cxengine/inc/api/cxezoomcontrol.h	Fri Apr 16 14:51:30 2010 +0300
@@ -0,0 +1,80 @@
+/*
+* 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:
+*
+*/
+#ifndef CXEZOOMCONTROL_H
+#define CXEZOOMCONTROL_H
+
+#include <QObject>
+#include <QMetaType>
+#include "cxeerror.h"
+
+class CxeZoomControl : public QObject
+    {
+    Q_OBJECT
+public:
+
+    // State Machine
+    enum State {
+        Idle       = 0x01,
+        Ready      = 0x02,
+        ZoomingIn  = 0x04,
+        ZoomingOut = 0x08
+        };
+
+    /**
+     * Returns the state of the control.
+     */
+    virtual State state() const = 0;
+
+    /**
+     * Returns the minimum zoom level/step.
+     */
+    virtual int min() const = 0;
+
+    /**
+     * Returns the maximum zoom levels/steps.
+     */
+    virtual int max() const = 0;
+
+    /**
+     * Zoom to a certain specified zoom level/step.
+     */
+    virtual void zoomTo( int value ) = 0;
+
+signals:
+    /**
+     * Signal to notify the observers that zoom level/step has changed.
+     */
+    void zoomLevelChanged( int zoomPosition );
+
+    /**
+     * Signal to notify the observers that state of zoom control has changed.
+     */
+    void stateChanged( CxeZoomControl::State newState, CxeError::Id error );
+
+protected:
+    /**
+     * Protected empty contructor so that derived class construction works.
+     */
+    CxeZoomControl() {}
+
+private:
+    Q_DISABLE_COPY( CxeZoomControl )
+    };
+
+Q_DECLARE_METATYPE(CxeZoomControl::State)
+
+#endif // CXEZOOMCONTROL_H