--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/camerauis/cameraxui/cxengine/inc/api/cxeautofocuscontrol.h	Fri Apr 16 14:51:30 2010 +0300
@@ -0,0 +1,121 @@
+/*
+* 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 CXEAUTOFOCUSCONTROL_H
+#define CXEAUTOFOCUSCONTROL_H
+
+#include <QObject>
+#include <QMetaType>
+#include "cxeerror.h"
+
+class QImage;
+
+
+/**
+ * CxeAutoFocusControl is responsible for handling Autofocus events from the camera adaptation.
+ * It also routes the Autofocus successful and failed events to the clients interested in Žknowing the
+ * status of Autofocus.
+ */
+class CxeAutoFocusControl : public QObject
+    {
+    Q_OBJECT
+public:
+    
+    /*
+     * Autofocus control states.
+     */
+    enum State
+        {
+        //! focusing
+        InProgress = 0x01,
+        
+        //! Autofocus Failed
+        Failed     = 0x02,
+        
+        //! Focused
+        Ready      = 0x04,
+        
+        //! State after successfully canceling AF or during startup
+        Unknown    = 0x08,
+        
+        //! Starting to cancel any pending AF requests
+        Canceling  = 0x10     // Starting to Cancel any pending AF requests
+        };
+    
+    // TODO: Check if we have to get all the supported modes from adaptation.
+    enum Mode
+        {
+        //! AF mode: Auto
+        Auto,
+        
+        //! AF mode: Hyperfocal
+        Hyperfocal,
+        
+        //! AF mode: Macro
+        Macro,
+        
+        //! AF mode: Infinity
+        Infinity,
+        
+        //! AF mode: Portrait
+        Portrait
+        };
+    
+    /**
+     * Starts Autofocus.
+     */
+    virtual CxeError::Id start() = 0;
+    
+    /**
+     * Cancels Autofocus.
+     */
+    virtual void cancel() = 0;                // cancels active start operation
+    
+
+    /**
+     * Setting Autofocus Mode.
+     */
+    virtual void setMode( Mode newMode ) = 0; // sets default value for current view/mode
+    
+    /**
+     * Get current Autofocus mode.
+     */
+    virtual Mode mode() const = 0;
+    
+    /**
+     * Get current Autofocus state.
+     */
+    virtual State state() const = 0;                // returns current AF state, one of AutoFocusState
+    
+    /**
+     * Check if Autofocus is Supported or Not.
+     */
+    virtual bool supported() const = 0;             // true when AF is supported
+
+signals:
+    void stateChanged( CxeAutoFocusControl::State newState, CxeError::Id error );
+
+protected:
+    CxeAutoFocusControl() {} // protected empty contructor so that derived class construction works
+
+private:
+    Q_DISABLE_COPY( CxeAutoFocusControl )
+    };
+
+Q_DECLARE_METATYPE(CxeAutoFocusControl::State)
+
+#endif // CXEAUTOFOCUSCONTROL_H