/*

* 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:

*

*/

#include <w32std.h> // RWindow, RWsSession.

#include <coemain.h> // CCoeEnv

#include <coecntrl.h>

#include "cxutils.h"

#include "cxecameradevicecontrolsymbian.h" // CxeCameraDevice

#include "cxuifakeviewfindercontrol.h"

#include "cxesettings.h"

#include "cxesettingsmappersymbian.h"

/*

* CxuiFakeViewfinderControl::CxuiFakeViewfinderControl

*/

CxuiFakeViewfinderControl::CxuiFakeViewfinderControl(

    CxeCameraDevice &cameraDevice,

    CxeCameraDeviceControlSymbian &cameraDeviceControl )

    : CxeViewfinderControlSymbian(cameraDevice, cameraDeviceControl),

      mCameraDevice(cameraDevice),

      mCameraDeviceControl(cameraDeviceControl),

      mWindow(NULL),

      mDirectViewfinder(NULL),

      mDirectViewfinderInUse(true)

{

    CX_DEBUG_IN_FUNCTION();

}

/*

* CxuiFakeViewfinderControl::~CxuiFakeViewfinderControl()

*/

CxuiFakeViewfinderControl::~CxuiFakeViewfinderControl()

{

    CX_DEBUG_ENTER_FUNCTION();

    stop();

    CX_DEBUG_EXIT_FUNCTION();

}

/*

* Stop viewfinder

*/

void CxuiFakeViewfinderControl::stop()

{

    CX_DEBUG_ENTER_FUNCTION();

    if (state() == Running) {

        setState(Ready);

    }

    CX_DEBUG_EXIT_FUNCTION();

}

/**

 * Start the viewfinder

 */

int CxuiFakeViewfinderControl::start()

{

    CX_DEBUG_ENTER_FUNCTION();

    TInt err = KErrNone;

    if (state() == Running) {

        CX_DEBUG( ( "Viewfinder already running - ignored start()" ) );

        CX_DEBUG_EXIT_FUNCTION();

        return 0;

    }

    if (state() == Uninitialized) {

        err = initViewfinder();

    }

    // apply any settings here

    if (!err  && state() == Ready) {

        setState( Running );

    }

    CX_DEBUG(("CxuiFakeViewfinderControl::start symbian error code : %d", err));

    CX_DEBUG_EXIT_FUNCTION();

    return err;

}

/*

* Intialize the viewfinder based on the VF mode

*/ 

int CxuiFakeViewfinderControl::initViewfinder()

{

    CX_DEBUG_ENTER_FUNCTION();

    // For now only direct vf. If there is any need for supporting other VF modes, condition checks

    // and handling of new states are needed here. 

    setState(Ready);

    CX_DEBUG_EXIT_FUNCTION();

    return KErrNone;

}

/*

* Release Vf, when we change mode or during shutdown or ?

*/ 

void CxuiFakeViewfinderControl::releaseCurrentViewfinder()

{

    CX_DEBUG_ENTER_FUNCTION(); 

    setState(Uninitialized);

    CX_DEBUG_EXIT_FUNCTION();

}

CxeViewfinderControl::State CxuiFakeViewfinderControl::state() const

{

    return static_cast<State>(stateId());

}

void CxuiFakeViewfinderControl::handleStateChanged(int newStateId, CxeError::Id error)

{

    emit stateChanged(static_cast<State>(newStateId), error);

}

// end of file