/*

* Copyright (c) 2010 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 <HbMainWindow>

#include <HbView>

#include <HbLabel>

#include <QGraphicsLinearLayout>

#include "cxeviewfindercontroldesktop.h"

#include "cxecameradevicedesktop.h"

#include "cxeviewfinderwidgetdesktop.h"

#include "cxutils.h"

const int KResWidth = 640;

const int KResHeight = 360;

CxeViewfinderControlDesktop::CxeViewfinderControlDesktop(CxeCameraDeviceDesktop &cameraDevice) :

        mState(Uninitialized),

        mResolution(KResWidth, KResHeight),

        mCameraDevice(cameraDevice),

        mViewfinderWidget(0)

{

    CX_DEBUG_IN_FUNCTION();

}

CxeViewfinderControlDesktop::~CxeViewfinderControlDesktop()

{

    CX_DEBUG_IN_FUNCTION();

}

/*!

* Set Window ID

*/

void CxeViewfinderControlDesktop::setWindow(WId windowId)

{

    CX_DEBUG_ENTER_FUNCTION();

    mWindowId = windowId;

    if (state() != Running) {

        mState = Ready;

        emit stateChanged(mState, CxeError::None);

    CX_DEBUG_EXIT_FUNCTION();

    }

    HbMainWindow* mainWindow = qobject_cast<HbMainWindow*>(QWidget::find(mWindowId));

    if (mainWindow) {

        if( !mViewfinderWidget) {

            mViewfinderWidget = new CxeViewfinderWidgetDesktop();

            connect(&mCameraDevice, SIGNAL(imageChanged(QPixmap)), mViewfinderWidget, SLOT(handleImageChange(QPixmap)));

        }

        HbView* view = mainWindow->currentView();

        view->scene()->addItem(mViewfinderWidget);

        mViewfinderWidget->setZValue(-1.0);

    }

}

/*!

* Start viewfinder

* @return CxeEngine specific error code

*/

CxeError::Id CxeViewfinderControlDesktop::start()

{

    CX_DEBUG_ENTER_FUNCTION();

    if (mState != Running) {

        mState = Running;

        emit stateChanged(mState, CxeError::None);

        mCameraDevice.start();

    }

    CX_DEBUG_EXIT_FUNCTION();

    return CxeError::None;

}

/*!

* Stop viewfinder

*/

void CxeViewfinderControlDesktop::stop()

{

    CX_DEBUG_ENTER_FUNCTION();

    mState = Ready;

    emit stateChanged(mState, CxeError::None);

    mCameraDevice.stop();

    CX_DEBUG_EXIT_FUNCTION();

}

/*!

* Current viewfinder state

*/

CxeViewfinderControl::State CxeViewfinderControlDesktop::state() const

{

    return mState;

}

/*!

* Returns Device's Display resolution

*/

QSize CxeViewfinderControlDesktop::deviceDisplayResolution() const

{

    return mResolution;

}

// end of file