/*

* Copyright (c) 2007 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:  CCamCameraControllerActive class implementation.

*                

*

*/

#include <e32base.h>

#include "camcameracontroller.pan"

#include "camlogging.h"

#include "camcameracontroller.h"

#include "camcameracontrolleractive.h"

using namespace NCamCameraController;

// ===========================================================================

// Costructors and destructor

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

// 2 phase constructor <<static>>

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

//

CCamCameraControllerActive* 

CCamCameraControllerActive::NewL( CCamCameraController& aController, 

                                  TInt                  aPriority   )

  {

  CCamCameraControllerActive* self = 

      new (ELeave) CCamCameraControllerActive( aController, aPriority );

  CleanupStack::PushL( self );

  self->ConstructL();

  CleanupStack::Pop( self );

  return self;

  }

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

// Destructor <<virtual>>

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

//

CCamCameraControllerActive::~CCamCameraControllerActive()

  {

  PRINT( _L("Camera => ~CCamCameraControllerActive") );

  Cancel();

  PRINT( _L("Camera <= ~CCamCameraControllerActive") );

  }

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

// 2nd phase constructor

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

//

void 

CCamCameraControllerActive::ConstructL()

  {

  CActiveScheduler::Add( this );

  }

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

// 1st phase constructor

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

//

CCamCameraControllerActive

::CCamCameraControllerActive( CCamCameraController& aController, 

                              TInt                  aPriority   )

  : CActive( aPriority ),

    iController( aController )

  {

  }

// ===========================================================================

// From CActive

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

// DoCancel <<virtual>> 

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

//

void 

CCamCameraControllerActive::DoCancel()

  {

  HandleError( KErrCancel );

  }

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

// RunL <<virtual>>

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

//

void 

CCamCameraControllerActive::RunL()

  {

  PRINT( _L("Camera => CCamCameraControllerActive::RunL") );

  User::LeaveIfError( iStatus.Int() );

  TInt more = iController.ProcessNextRequestL();

  if( more )

    {

    IssueRequest();

    }

  else

    {

    // No more callbacks needed atleast for now.    

    }

  PRINT( _L("Camera <= CCamCameraControllerActive::RunL") );

  }

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

// RunError <<virtual>>

//

// Called when leave occurs in RunL

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

//

TInt 

CCamCameraControllerActive::RunError( TInt aError )

  {

  PRINT1( _L("Camera => CCamCameraControllerActive::RunError, error:%d"), aError );

  HandleError( aError );

  PRINT( _L("Camera <= CCamCameraControllerActive::RunError") );

  return KErrNone;

  }

// ===========================================================================

// New methods

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

// IssueRequest

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

//

void

CCamCameraControllerActive::IssueRequest()

  {

  PRINT( _L("Camera => CCamCameraControllerActive::IssueRequest") );

  __ASSERT_ALWAYS( !IsActive(), Panic( ECamCameraControllerBusy ) );

  // Set RunL to be called as soon as possible  

  TRequestStatus* status = &iStatus;

  User::RequestComplete( status, KErrNone );

  SetActive();

  PRINT( _L("Camera <= CCamCameraControllerActive::IssueRequest") );

  }

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

// HandleError

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

//

void 

CCamCameraControllerActive::HandleError( TInt aStatus )

  {

  iController.EndSequence( aStatus );

  }

// ===========================================================================

// end of file