/*

* Copyright (c) 2002 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:  MsgEditorSettingCacheUpdatePlugin implementation

*

*/

// ========== INCLUDE FILES ================================

#include "MsgEditorSettingCacheUpdatePlugin.h"

#include <e32std.h>                 // for GLDEF_C

#include <centralrepository.h>

#include <MessagingSDKCRKeys.h>

// ========== EXTERNAL DATA STRUCTURES =====================

// ========== EXTERNAL FUNCTION PROTOTYPES =================

// ========== CONSTANTS ====================================

// ========== MACROS =======================================

// ========== LOCAL CONSTANTS AND MACROS ===================

// ========== MODULE DATA STRUCTURES =======================

// ========== LOCAL FUNCTION PROTOTYPES ====================

// ========== LOCAL FUNCTIONS ==============================

// ========== MEMBER FUNCTIONS =============================

// ---------------------------------------------------------

// TMsgEditorSettingCacheUpdatePlugin::TMsgEditorSettingCacheUpdatePlugin

//

// Constructor.

// ---------------------------------------------------------

//

EXPORT_C TMsgEditorSettingCacheUpdatePlugin::TMsgEditorSettingCacheUpdatePlugin(CAknAppUi* aAppUi)    

    :

    iLocalZoomCache(EAknUiZoomAutomatic),

    iAppUi(aAppUi)

    {

    CRepository* repository = NULL;

    TRAPD( ret, repository = CRepository::NewL(KCRUidMessagingUiSettings) );

    if (ret == KErrNone)

        {

        TInt cenRepZoomValue = 0;

        ret = repository->Get(KMessagingEditorLocalUiZoom, cenRepZoomValue);

        if( ret == KErrNone )

            {

            iLocalZoomCache = static_cast<TAknUiZoom>(cenRepZoomValue);

            }

        }

    delete repository;          

    }

// ---------------------------------------------------------

// TMsgEditorSettingCacheUpdatePlugin::~TMsgEditorSettingCacheUpdatePlugin

//

// Destructor.

// ---------------------------------------------------------

//

EXPORT_C TMsgEditorSettingCacheUpdatePlugin::~TMsgEditorSettingCacheUpdatePlugin()

    {

    }

// ---------------------------------------------------------

// TMsgEditorSettingCacheUpdatePlugin::HandlesEvent

//

// check for the KAknLocalZoomLayoutSwitch event

// ---------------------------------------------------------

//

TBool TMsgEditorSettingCacheUpdatePlugin::HandlesEvent(TInt aEventId) const

    {

    return (aEventId == KAknLocalZoomLayoutSwitch);

    }

// ---------------------------------------------------------

// TMsgEditorSettingCacheUpdatePlugin::Update

//

// Update the cached value of the local messaging Ui Local Zoom value.

// Recognises layout switch events and checks for changes

// ---------------------------------------------------------

//

TBool TMsgEditorSettingCacheUpdatePlugin::Update(TInt aEventId)

    {

    bool changed = EFalse;

    if (aEventId == KAknLocalZoomLayoutSwitch)

        {

        if(iAppUi)

            {

            TInt oldLocalZoom = iLocalZoomCache;

            CRepository* repository = NULL;

            TRAPD( ret, repository = CRepository::NewL(KCRUidMessagingUiSettings) );

            if (ret == KErrNone)

                {

                TInt cenRepZoomValue = 0;

                ret = repository->Get(KMessagingEditorLocalUiZoom, cenRepZoomValue);

                 if( ret == KErrNone )

                    {

                    iLocalZoomCache = static_cast<TAknUiZoom>(cenRepZoomValue);

                    changed = (iLocalZoomCache != oldLocalZoom);

                    }

                }

            delete repository;

            }

        }

    return changed;

    }

// ---------------------------------------------------------

// TMsgEditorSettingCacheUpdatePlugin::GetValue

// ---------------------------------------------------------

EXPORT_C TInt TMsgEditorSettingCacheUpdatePlugin::GetValue(TInt aEventId, TInt& aValue) const

    {

    if(aEventId == KAknLocalZoomLayoutSwitch)

        {

        aValue = iLocalZoomCache;

        return KErrNone;

        }

    return KErrNotSupported;

    }

//  End of File