/*

* Copyright (c) 2003,2004 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:  Active object for calling Camera Application Engine methods 

*                indirectly from callbacks

*

*/

// INCLUDE FILES

#include "CaeCallbackActive.h"

#include "CaeEngineImp.h"

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

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

// CCaeCallbackActive::CCaeCallbackActive()

// C++ constructor.

// Adds the object to the Active Scheduler.

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

//

CCaeCallbackActive::CCaeCallbackActive( 

    CCaeEngineImp& aCamAppEngine )

: CActive( EPriorityStandard ), iCamAppEngine( aCamAppEngine )

    {

    CActiveScheduler::Add( this );

    }

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

// CCaeCallbackActive::CCaeCallbackActive()

// Destructor. 

// Cancels operation and closes the timer.

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

//

CCaeCallbackActive::~CCaeCallbackActive()

    {

    Cancel();

    iTimer.Close();

    }

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

// CCaeCallbackActive::NewLC()

// Symbian OS two-phased constructor.

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

//

CCaeCallbackActive* CCaeCallbackActive::NewLC( 

    CCaeEngineImp& aCamAppEngine )

    {

    CCaeCallbackActive* self = new( ELeave ) CCaeCallbackActive( aCamAppEngine );

    CleanupStack::PushL( self );

    self->ConstructL();

    return self;

    }

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

// CCaeCallbackActive::NewL()

// Symbian OS two-phased constructor.

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

//

CCaeCallbackActive* CCaeCallbackActive::NewL( 

    CCaeEngineImp& aCamAppEngine )

    {

    CCaeCallbackActive* self = NewLC( aCamAppEngine );

    CleanupStack::Pop( self );

    return self;

    }

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

// CCaeCallbackActive::ConstructL()

// Symbian OS 2nd phase constructor that can leave.

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

//

void CCaeCallbackActive::ConstructL()

    {

    User::LeaveIfError( iTimer.CreateLocal() );

    }

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

// CCaeCallbackActive::PowerOn()

// Switches camera power on.

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

//

void CCaeCallbackActive::PowerOn()

    {

    LOGTEXT( _L( "Cae: CCaeCallbackActive::PowerOn() entering" ) );

    _LIT( KPowerOnPanic, "CCaeCallbackActive::PowerOn");

    __ASSERT_ALWAYS( !IsActive(), User::Panic( KPowerOnPanic, 1 ) );

    iRequest = CCaeCallbackActive::ERequestPowerOn;

    SetActive();

    TRequestStatus* statusPtr = &iStatus;

    User::RequestComplete( statusPtr, KErrNone );

    LOGTEXT( _L( "Cae: CCaeCallbackActive::PowerOn() returning" ) );

    }

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

// CCaeCallbackActive::RunL()

// Calls Camera Application Engine operation.

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

//

void CCaeCallbackActive::RunL()

    {

    LOGTEXT( _L( "Cae: CCaeCallbackActive::RunL() entering" ) );

    switch ( iRequest ) 

        {

        case CCaeCallbackActive::ERequestPowerOn:

            // Call Camera Application Engine to switch camera power on.

            iCamAppEngine.PowerOn();

            break;

        default:

            break;

        }

    LOGTEXT( _L( "Cae: CCaeCallbackActive::RunL() returning" ) );

    }

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

// CCaeCallbackActive::DoCancel()

// Cancels request.

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

//

void CCaeCallbackActive::DoCancel()

    {

    iTimer.Cancel();

    iRequest = CCaeCallbackActive::ERequestDefault;

    }

// End of File