/*

* Copyright (c) 2006 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 Idle Content Observer interface multiplexer 

*                implementation.

*

*/

#include "aimulticontentobserver.h"

#include "aicontentobserveroptimizer.h"

CAiMultiContentObserver* CAiMultiContentObserver::NewL()

    {

    return new(ELeave) CAiMultiContentObserver;

    }

CAiMultiContentObserver::~CAiMultiContentObserver()

    {

    iObserverOptimizers.ResetAndDestroy();

    }

void CAiMultiContentObserver::AddObserverL(MAiContentObserver& aObserver)

    {

    TBool foundExisting = EFalse;

    for( TInt i = 0; i < iObserverOptimizers.Count(); ++i )

        {

        if ( &(iObserverOptimizers[i]->Observer()) == &aObserver )

            {

            foundExisting = ETrue;

            break;

            }

        }

    if( !foundExisting )

        {

        CAiContentObserverOptimizer *optimizer = 

            CAiContentObserverOptimizer::NewL( aObserver );

        iObserverOptimizers.AppendL( optimizer );       

        }

    }

TInt CAiMultiContentObserver::StartTransaction( TInt aTxId )

    {

    TInt result = KErrNone;

    const TInt count = iObserverOptimizers.Count();

    for ( TInt i = 0; i < count; ++i )

        {

        const TInt r = iObserverOptimizers[i]->StartTransaction( aTxId );

        if ( r != KErrNone )

            {

            result = r;

            }

        }

    return result;

    }

TInt CAiMultiContentObserver::Commit( TInt aTxId )

    {

    TInt result = KErrNone;

    const TInt count = iObserverOptimizers.Count();

    for ( TInt i = 0; i < count; ++i )

        {

        const TInt r = iObserverOptimizers[i]->Commit( aTxId );

        if ( r != KErrNone )

            {

            result = r;

            }

        }

    return result;

    }

TInt CAiMultiContentObserver::CancelTransaction( TInt aTxId )

    {

    TInt result = KErrNone;

    const TInt count = iObserverOptimizers.Count();

    for ( TInt i = 0; i < count; ++i )

        {

        const TInt r = iObserverOptimizers[i]->CancelTransaction( aTxId );

        if ( r != KErrNone )

            {

            result = r;

            }

        }

    return result;

    }

TBool CAiMultiContentObserver::CanPublish( MAiPropertyExtension& aPlugin,

                                           TInt aContent,

                                           TInt aIndex )

    {

    const TInt count = iObserverOptimizers.Count();

    for ( TInt i = 0; i < count; ++i )

        {

        if( iObserverOptimizers[i]->CanPublish( aPlugin, aContent, aIndex ) )

            {

            return ETrue;

            }

        }

    return EFalse;

    }

TInt CAiMultiContentObserver::Publish( MAiPropertyExtension& aPlugin,

                                       TInt aContent,

                                       TInt aResource,

                                       TInt aIndex )

    {

    TInt result = KErrNone;

    const TInt count = iObserverOptimizers.Count();

    for ( TInt i = 0; i < count; ++i )

        {

        const TInt r = iObserverOptimizers[i]->Publish( aPlugin, aContent, aResource, aIndex );

        if ( r != KErrNone )

            {

            result = r;

            }

        }

    return result;

    }

TInt CAiMultiContentObserver::Publish( MAiPropertyExtension& aPlugin,

                                       TInt aContent,

                                       const TDesC16& aText,

                                       TInt aIndex )

    {

    TInt result = KErrNone;

    const TInt count = iObserverOptimizers.Count();

    for ( TInt i = 0; i < count; ++i )

        {

        const TInt r = iObserverOptimizers[i]->Publish( aPlugin, aContent, aText, aIndex );

        if ( r != KErrNone )

            {

            result = r;

            }

        }

    return result;

    }

TInt CAiMultiContentObserver::Publish( MAiPropertyExtension& aPlugin,

                                       TInt aContent,

                                       const TDesC8& aBuf,

                                       TInt aIndex )

    {

    TInt result = KErrNone;

    const TInt count = iObserverOptimizers.Count();

    for ( TInt i = 0; i < count; ++i )

        {

        const TInt r = iObserverOptimizers[i]->Publish( aPlugin, aContent, aBuf, aIndex );

        if ( r != KErrNone )

            {

            result = r;

            }

        }

    return result;

    }

TInt CAiMultiContentObserver::Publish( MAiPropertyExtension& aPlugin,

                                       TInt aContent,

                                       RFile& aFile,

                                       TInt aIndex )

    {

    TInt result = KErrNone;

    const TInt count = iObserverOptimizers.Count();

    for ( TInt i = 0; i < count; ++i )

        {

        const TInt r = iObserverOptimizers[i]->Publish( aPlugin, aContent, aFile, aIndex );

        if ( r != KErrNone )

            {

            result = r;

            }

        }

    return result;

    }

TInt CAiMultiContentObserver::Clean( MAiPropertyExtension& aPlugin,

                                     TInt aContent,

                                     TInt aIndex )

    {

    TInt result = KErrNone;

    const TInt count = iObserverOptimizers.Count();

    for ( TInt i = 0; i < count; ++i )

        {

        const TInt r = iObserverOptimizers[i]->Clean( aPlugin, aContent, aIndex );

        if ( r != KErrNone )

            {

            result = r;

            }

        }

    return result;

    }

TAny* CAiMultiContentObserver::Extension( TUid /*aUid*/ )

    {

    return NULL;

    }

TBool CAiMultiContentObserver::RequiresSubscription( 

    const TAiPublisherInfo& /*aPublisherInfo*/ ) const

    {

    return ETrue;

    }

TInt CAiMultiContentObserver::SetProperty( MAiPropertyExtension& /*aPlugin*/,

           const TDesC8& /*aElementId*/,

           const TDesC8& /*aPropertyName*/,

           const TDesC8& /*aPropertyValue*/ )

    {

        return KErrNotSupported;

    }

TInt CAiMultiContentObserver::SetProperty( MAiPropertyExtension& /*aPlugin*/,

           const TDesC8& /*aElementId*/,

           const TDesC8& /*aPropertyName*/,

           const TDesC8& /*aPropertyValue*/,  

           MAiContentObserver::TValueType /*aValueType*/)

    {

    return KErrNotSupported;

    }

CAiMultiContentObserver::CAiMultiContentObserver()

    {

    }