/*

* 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:    LandmarksUi Content File -

*

*/

// INCLUDE FILES

#include "CLmkAddToCatOperation.h"

#include "CLmkAOOperation.h"

#include <EPos_CPosLmCategoryManager.h>

#include <EPos_CPosLmOperation.h>

#include <lmkerrors.h>

#if defined(_DEBUG)

// CONSTANTS

/// Unnamed namespace for local definitions

namespace {

_LIT( KPanicMsg, "CLmkAddToCatOperation" );

void Panic( TPanicCode aReason )

    {

    User::Panic( KPanicMsg, aReason );

    }

}  // namespace

#endif

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

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

// CLmkAddToCatOperation::CLmkAddToCatOperation

// C++ constructor can NOT contain any code, that

// might leave.

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

//

CLmkAddToCatOperation::CLmkAddToCatOperation(

    CPosLmCategoryManager& aCategoryMgr )

    : iCategoryMgr( aCategoryMgr )

    {

    }

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

// CLmkAddToCatOperation::ConstructL

// Symbian 2nd phase constructor can leave.

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

//

void CLmkAddToCatOperation::ConstructL(

    const RArray<TPosLmItemId>& aLandmarkIdArray,

    const RArray<TPosLmItemId>& aCategoryIdArray )

    {

    TInt lmCount = aLandmarkIdArray.Count();

    for ( TInt i( 0 ); i < lmCount; ++i )

        {

        User::LeaveIfError( iLmIdArray.Append( aLandmarkIdArray[i] ) );

        }

    TInt catCount = aCategoryIdArray.Count();

    for ( TInt k( 0 ); k < catCount; ++k )

        {

        User::LeaveIfError( iCatIdArray.Append( aCategoryIdArray[k] ) );

        }

    }

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

// CLmkAddToCatOperation::NewL

// Two-phased constructor.

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

//

CLmkAddToCatOperation* CLmkAddToCatOperation::NewL(

    CPosLmCategoryManager& aCategoryMgr,

    const RArray<TPosLmItemId>& aLandmarkIdArray,

    const RArray<TPosLmItemId>& aCategoryIdArray )

    {

    CLmkAddToCatOperation* self =

        new ( ELeave ) CLmkAddToCatOperation( aCategoryMgr );

    CleanupStack::PushL( self );

    self->ConstructL( aLandmarkIdArray, aCategoryIdArray );

    CleanupStack::Pop();

    return self;

    }

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

// CLmkAddToCatOperation::NewL

// Two-phased constructor.

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

//

CLmkAddToCatOperation* CLmkAddToCatOperation::NewL(

    CPosLmCategoryManager& aCategoryMgr,

    TPosLmItemId aLandmarkId,

    const RArray<TPosLmItemId>& aCategoryIdArray )

    {

    CLmkAddToCatOperation* self =

        new ( ELeave ) CLmkAddToCatOperation( aCategoryMgr );

    CleanupStack::PushL( self );

    // For users of this class we provide two NewL interfaces but internally

    // we create an array also in case of just one landmark item.

    RArray<TPosLmItemId> tmpArray = RArray<TPosLmItemId>( 1 );

    CleanupClosePushL( tmpArray );

    User::LeaveIfError( tmpArray.Append( aLandmarkId ) );

    self->ConstructL( tmpArray, aCategoryIdArray );

    CleanupStack::PopAndDestroy(); // tmpArray

    CleanupStack::Pop();

    return self;

    }

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

// CLmkAddToCatOperation::~CLmkAddToCatOperation

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

//

CLmkAddToCatOperation::~CLmkAddToCatOperation()

    {

    if (iStatus)

        {

        if (*iStatus == KRequestPending )

            {

            User::RequestComplete( iStatus, KErrCancel );

            }

        }

    iLmIdArray.Close();

    iCatIdArray.Close();

    delete iAddOperation;

    }

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

// CLmkAddToCatOperation::NextStep

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

//

void CLmkAddToCatOperation::NextStep( TRequestStatus& aStatus,

                                      TReal32& aProgress )

    {

    aStatus = KRequestPending;

    iStatus = &aStatus;

    iProgress = &aProgress;

    TInt count = iCatIdArray.Count();

    // Index should be smaller than count if NextStep called properly:

    __ASSERT_DEBUG( iCurrentIndex < count, Panic( KLmkPanicIllegalMethodCall ) );

    TInt err( KErrNone );

    // Do one step:

    if ( iCurrentIndex < count )

        {

        TRAP( err, DoAddToCatStepL( iCatIdArray[iCurrentIndex++] ) );

        }

    if ( err != KErrNone )

        { // error occurred already when preparing for asynch. operation

        --iCurrentIndex;

        *iProgress = 1;

        User::RequestComplete( iStatus, err );

        }

    }

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

// CLmkAddToCatOperation::ExecuteL

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

//

void CLmkAddToCatOperation::ExecuteL()

    {

    // We never use asynchronous methods in synchronous way and therefore

    // don't need to support this method

    User::Leave( KErrNotSupported );

    }

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

// CLmkAddToCatOperation::HandleOperationL

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

//

void CLmkAddToCatOperation::HandleOperationL(

    TOperationTypes /*aType*/,

    TReal32 /*aProgress*/,

    TInt aStatus )

    {

    // Operation (adding one category to landmarks) finished:

    delete iAddOperation;

    iAddOperation = NULL;

    TInt result( KErrNone );

    TInt count = iCatIdArray.Count();

    // Check result:

    if ( aStatus != KErrNone || iCurrentIndex == count )

        {

        *iProgress = 1;

        result = aStatus;

        }

    else

        {

        result = KPosLmOperationNotComplete;

        // Neither divider nor dividend can be zero in this if-branch:

        __ASSERT_DEBUG( ( iCurrentIndex > 0 ) && ( count > 0 ),

                        Panic( KLmkPanicMathError ) );

        *iProgress = static_cast<TReal32>( iCurrentIndex ) / count;

        }

    User::RequestComplete( iStatus, result );

    }

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

// CLmkAddToCatOperation::DoAddToCatStepL

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

//

void CLmkAddToCatOperation::DoAddToCatStepL( TPosLmItemId aCategoryId )

    {

    CPosLmOperation* operation =

        iCategoryMgr.AddCategoryToLandmarksL( aCategoryId,

                                              iLmIdArray );

    __ASSERT_DEBUG( !iAddOperation, Panic( KLmkPanicAlreadyActive ) );

    iAddOperation =

        CLmkAOOperation::NewL( operation,

                               *this,

                               MLmkAOOperationObserver::EAddToCategory,

                               EFalse );

    iAddOperation->StartOperation();

    }

//  End of File