/*

* Copyright (c) 2004 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:   Screensaver view class implementation.

*

*/

#include <power_save_display_mode.h>

#include <screensaver.rsg>

#include "ScreensaverUtils.h"

#include "screensaverview.h"

#include "screensaverappui.h"

#include "screensaverplugin.h"

#include "screensaverutility.h"

#include "screensaverctrlmovingtext.h"

#include "screensaverctrlnone.h"

#include "screensaverctrlplugin.h"

#include "screensaverengine.h"

#include "screensavershareddatai.h"

const TUid KBigClockScreensaverPluginImplUid = { 0x2002E6DE };

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

// CScreensaverView::NewLC

// add this NewLC code called by UI

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

// 

CScreensaverView* CScreensaverView::NewL()

    {

    CScreensaverView* self = new( ELeave ) CScreensaverView();

    CleanupStack::PushL( self );

    self->ConstructL();

    CleanupStack::Pop();

    return self;

    }

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

// CScreensaverView::CScreensaverView

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

//

CScreensaverView::CScreensaverView()

    {

    }

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

// CScreensaverView::~CScreensaverView

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

//

CScreensaverView::~CScreensaverView( )

    {

    DestroyDisplayObject();

    }

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

// CScreensaverView::ConstructL

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

//

void CScreensaverView::ConstructL( )

    {

    // Let CAknView do its stuff

    BaseConstructL();

    SetDisplayObject( PslnSettingScreensaverType() );

    }

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

// CScreensaverView::CreateDisplayObjectL

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

//

void CScreensaverView::CreateDisplayObjectL( TDisplayObjectType aType )

    {

    SCRLOGGER_WRITEF(_L("SCR: CScreensaverView::CreateDisplayObjectL "),aType);

    DestroyDisplayObject();

    switch( aType )

        {

        case EDisplayPlugin:

            {

            iControl = CScreensaverCtrlPlugin::NewL();

            CScreensaverCtrlPlugin* pluginCtrl = 

                STATIC_CAST( CScreensaverCtrlPlugin*, iControl );

            if ( pluginCtrl->PluginImplementationUid() ==

                 KBigClockScreensaverPluginImplUid )

                {

                iIsContentless = ETrue;

                }

            break;

            }

        case EDisplayTime:

        case EDisplayText:

            {

            iControl = CScreensaverCtrlMovingText::NewL( aType );

            break;

            }

        case EDisplayNone:

            {

            iControl = CScreensaverCtrlNone::NewL();

            break;

            }

        default:

            {

            break;

            }

        }

    iCurrentControlType = aType;

    }

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

// CScreensaverView::SetDisplayObject

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

//

void CScreensaverView::SetDisplayObject( TDisplayObjectType aType )

    {

    SCRLOGGER_WRITEF(_L("SCR: CScreensaverView::SetDisplayObject "));

    TRAPD( error, CreateDisplayObjectL( aType ) );

    if(error == KErrNone)

        return;

    SCRLOGGER_WRITE("ResetDisplayObject() setting default screensaver");

    TRAP_IGNORE( CreateDisplayObjectL( DefaultScreensaverType() ) );

    }

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

// CScreensaverView::CreatePreviewDisplayObjectL

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

//

void CScreensaverView::CreatePreviewDisplayObjectL()

    {

    SCRLOGGER_WRITEF(_L("SCR: CScreensaverView::CreatePreviewDisplayObjectL "));

    TRAPD( error, CreateDisplayObjectL( PslnSettingScreensaverType() ) );

    if(error == KErrNone)

        {

        Model().SharedDataInterface()->SetScreensaverPreviewState(

            EScreenSaverPreviewLoaded );

        return;

        }

    Model().SharedDataInterface()->SetScreensaverPreviewState(

        EScreenSaverPreviewError );

    }

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

// CScreensaverView::IsContentlessScreensaver

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

//

TBool CScreensaverView::IsContentlessScreensaver() const

    {

    return iIsContentless;

    }

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

// CScreensaverView::Id

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

//

TUid CScreensaverView::Id( ) const

    {

    return KUidScreensaverView;

    }

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

// CScreensaverView::DoActivateL

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

//

void CScreensaverView::DoActivateL( const TVwsViewId& /*aPrevViewId*/,

    TUid /*aCustomMessageId*/, const TDesC8& /*aCustomMessage*/)

    {

    }

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

// CScreensaverView::DoDeactivate

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

//

void CScreensaverView::DoDeactivate( )

    {

    }

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

// CScreensaverView::ShowDisplayObject

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

//

void CScreensaverView::ShowDisplayObject()

    {

    SCRLOGGER_WRITEF(_L("SCR: CScreensaverView::ShowDisplayObject "));

    iControl->StartDrawObject();

    }

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

// CScreensaverView::HideDisplayObject

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

//

void CScreensaverView::HideDisplayObject()

    {

    SCRLOGGER_WRITEF(_L("SCR: CScreensaverView::HideDisplayObject "));

    iControl->StopDrawObject();

    if ( !IsContentlessScreensaver() )

        {

        ScreensaverUtility::SendToBackground();

        }

    }

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

// CScreensaverView::UpdateAndRefresh

// Updates indicators and refreshes the display

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

//

void CScreensaverView::UpdateAndRefresh( )

    {

    SCRLOGGER_WRITEF(_L("SCR: CScreensaverView::UpdateAndRefresh "));

    iControl->Refresh();

    }

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

// CScreensaverView::DefaultScreensaverType

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

//

TDisplayObjectType CScreensaverView::DefaultScreensaverType()

    {

    return Model().SharedDataInterface()->DefaultScreensaverType();

    }

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

// CScreensaverView::PslnSettingScreensaverType

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

//

TDisplayObjectType CScreensaverView::PslnSettingScreensaverType()

    {

    return Model().SharedDataInterface()->DisplayObjectType();

    }

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

// CScreensaverView::Model

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

//

CScreensaverEngine& CScreensaverView::Model() const

    {

    return STATIC_CAST( CScreensaverAppUi*, CCoeEnv::Static()->AppUi() )->Model(); 

    }

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

// CScreensaverView::DestroyDisplayObject

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

//

void CScreensaverView::DestroyDisplayObject()

    {

    SCRLOGGER_WRITEF(_L("SCR: CScreensaverView::DestroyDisplayObject "));

    if( iControl )

        {

        delete iControl;

        iControl = NULL;

        }

    iIsContentless = EFalse;

    }

// End of file