1 /*

     2 * Copyright (c) 2009 Nokia Corporation and/or its subsidiary(-ies).

     3 * All rights reserved.

     4 * This component and the accompanying materials are made available

     5 * under the terms of "Eclipse Public License v1.0"

     6 * which accompanies this distribution, and is available

     7 * at the URL "http://www.eclipse.org/legal/epl-v10.html".

     8 *

     9 * Initial Contributors:

    10 * Nokia Corporation - initial contribution.

    11 *

    12 * Contributors:

    13 *

    14 * Description:

    15 *

    16 */

    17 

    18 #ifndef CXUIFAKEAUTOFOCUSCONTROL_H

    19 #define CXUIFAKEAUTOFOCUSCONTROL_H

    20 

    21 #include "cxeautofocuscontrolsymbian.h"

    22 #include "cxestatemachine.h"

    23 

    24 //forward declarations

    25 class CxeCameraDevice;

    26 class CxeAutoFocusControlSymbian;

    27 

    28 

    29 /**

    30  * CxeAutoFocusControl is responsible for handling Autofocus events from the camera adaptation.

    31  * It also routes the Autofocus successful and failed events to the clients interested in Žknowing the

    32  * status of Autofocus.

    33  */

    34 class CxuiFakeAutoFocusControl : public CxeAutoFocusControlSymbian

    35 {

    36     Q_OBJECT

    37 public:

    38     

    39     CxuiFakeAutoFocusControl( CxeCameraDevice &cameraDevice );

    40     virtual ~CxuiFakeAutoFocusControl();

    41 

    42     CxeError::Id  start();

    43     void cancel();

    44     void setMode( CxeAutoFocusControl::Mode newMode );

    45     CxeAutoFocusControl::Mode mode() const;

    46 

    47     CxeAutoFocusControl::State state() const;

    48     bool supported() const;

    49     int setFakeState(CxeAutoFocusControl::State);

    50 

    51 protected: // from CxeStateMachine    

    52     void handleStateChanged( int newStateId, CxeError::Id error );

    53 

    54 

    55 private:

    56     // handles to-do things if the event is AF event

    57     void handleAfEvent(int eventUid, int error);

    58 

    59 private:

    60     CxeCameraDevice &mCameraDevice;

    61     CCamera::CCameraAdvancedSettings *mAdvancedSettings; // not owned

    62     CxeAutoFocusControl::Mode mAfMode;

    63     CCamera::CCameraAdvancedSettings::TFocusRange mAFRange;

    64 };

    65 

    66 #endif // CXUIFAKEAUTOFOCUSCONTROL_H