/*

 * Copyright (c) 2008 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:  

 *

 */

// System include files

#include <s32strm.h>

#include <s32mem.h>

#include <hscontentcontrol.h>

#include <hscontentinfo.h>

#include <hscontentinfoarray.h>

// User include files

#include "hsccapiclient.h"

#include "ccresource.h"

#include "ccsrvapi.h"

#include "hsccapi.h"

// Local constants

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

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

// CHsCcApiClient::NewL()

// Two-phased constructor.

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

EXPORT_C CHsCcApiClient* CHsCcApiClient::NewL(

    MHsContentControl* aControlIf )

    {

    CHsCcApiClient* self = new ( ELeave ) CHsCcApiClient( aControlIf );

    CleanupStack::PushL( self );

    self->ConstructL();

    CleanupStack::Pop( self );

    return( self ) ;

    }

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

// CHsCcApiClient::ConstructL()

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

//

void CHsCcApiClient::ConstructL()

    {

    User::LeaveIfError( iSession.Connect() );

    if ( iObserver )

        {

        TPckgBuf<TUint32> provider( ECcHomescreen );

        TPckgBuf<TUint32> address;

        User::LeaveIfError( iSession.RegisterObserver( 

            provider,

            address ) );

        iAddress = address();

        WaitForApiNtfL();

        }

    }

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

// CHsCcApiClient::CHsCcApiClient()

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

//

CHsCcApiClient::CHsCcApiClient( 

    MHsContentControl* aControlIf )

    :CActive( EPriorityStandard )

    ,iObserver( aControlIf )

    ,iAddress( 0 )

    ,iApiHeader( NULL )

    ,iApiHeaderPtr( NULL, 0 )

    ,iApiData( NULL )

    ,iApiDataPtr( NULL, 0 )

    {

    CActiveScheduler::Add( this );

    }

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

// CHsCcApiClient::~CHsCcApiClient()

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

//

CHsCcApiClient::~CHsCcApiClient()

    {

    Cancel();

    iSession.Close();

    delete iApiHeader;

    delete iApiData;

    }

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

// CHsCcApiClient::RunL()

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

//

void CHsCcApiClient::RunL()

    {

    TInt err( iStatus.Int() );

    HBufC8* header( NULL );

    TPtr8 headerPtr( NULL, 0 );

    if ( !err )

        {

        // Read API request header

        header = iApiHeader->AllocL();

        CleanupStack::PushL( header );

        headerPtr.Set( header->Des() );

        }

    // Receive next API notification

    WaitForApiNtfL();

    if ( !err )

        {

        // Get received message header

        CCcSrvMsg* message = CCcSrvMsg::NewL();

        CleanupStack::PushL( message );

        RDesReadStream stream( headerPtr );

        CleanupClosePushL( stream );

        message->InternalizeHeaderL( stream );

        CleanupStack::PopAndDestroy( &stream );

        switch ( message->MsgId() )

            {

            case EHsCcWidgetListChangedNtf:

                if ( iObserver )

                    {

                    iObserver->NotifyWidgetListChanged();

                    }

                break;

            case EHsCcViewListChangedNtf:

                if ( iObserver )

                    {

                    iObserver->NotifyViewListChanged();

                    }

                break;

            case EHsCcAppListChangedNtf:

                if ( iObserver )

                    {

                    iObserver->NotifyAppListChanged();

                    }

                break;

            default:

                // No action required

                break;

            }

        CleanupStack::PopAndDestroy( message );

        }

    if ( header )

        {

        CleanupStack::PopAndDestroy( header );

        }

    }

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

// CHsCcApiClient::DoCancel()

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

//

void CHsCcApiClient::DoCancel()

    {

    if ( IsActive() )

        {

        TPckgBuf<TInt> function( ECcWaitForApiNtf );

        iSession.CancelReq( function );

        }

    }

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

// CHsCcApiClient::WidgetListL

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

//

TInt CHsCcApiClient::WidgetListL( CHsContentInfoArray& aArray )

    {

    TInt err( KErrNone );

    // Create WidgetListReq API request

    CCcSrvMsg* reqMsg = CCcSrvMsg::NewL();

    CleanupStack::PushL( reqMsg );

    reqMsg->SetMsgId( EHsCcWidgetListReq );

    reqMsg->SetTrId( 0 );

    reqMsg->SetData( KNullDesC8() );

    // Marshal API request

    HBufC8* msgBuf = reqMsg->MarshalL();

    CleanupStack::PushL( msgBuf );

    TPtr8 msgPtr( NULL, 0 );

    msgPtr.Set( msgBuf->Des() );

    // Send API request

    // Sender and receiver address not defined -> message is routed

    // according to the provider id

    TPckgBuf<TUint32> provider( ECcHomescreen );

    TPckgBuf<TUint32> sender;

    TPckgBuf<TUint32> receiver;

    err = iSession.Send( ECcApiReq, provider, sender, receiver, msgPtr );

    if ( !err )

        {

        // Internalize response message

        TUint32 trId;

        TUint32 dataSize;

        err = InternalizeRespL( msgPtr, trId, dataSize );

        if ( !err && dataSize )

            {

            // Internalize API response data

            err = InternalizeContentInfoArrayL( aArray, trId, dataSize );

            }

        }

    // Cleanup

    CleanupStack::PopAndDestroy( msgBuf );

    CleanupStack::PopAndDestroy( reqMsg );

    return err;

    }

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

// CHsCcApiClient::WidgetListL

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

//

TInt CHsCcApiClient::WidgetListL( 

    CHsContentInfo& aInfo, CHsContentInfoArray& aArray )

    {

    TInt err( KErrNone );

    // Create WidgetListReq API request

    CCcSrvMsg* reqMsg = CCcSrvMsg::NewL();

    CleanupStack::PushL( reqMsg );

    reqMsg->SetMsgId( EHsCcWidgetListReq );

    reqMsg->SetTrId( 0 );

    // Marshal WidgetListReq data to a descriptor

    HBufC8* dataBuf = aInfo.MarshalL();

    TPtr8 dataPtr( NULL, 0 );

    dataPtr.Set( dataBuf->Des() );

    reqMsg->SetData( dataPtr );

    delete dataBuf;

    dataBuf = NULL;

    // Marshal API request

    HBufC8* msgBuf = reqMsg->MarshalL();

    CleanupStack::PushL( msgBuf );

    TPtr8 msgPtr( NULL, 0 );

    msgPtr.Set( msgBuf->Des() );

    // Send API request

    // Sender and receiver address not defined -> message is routed

    // according to the provider id

    TPckgBuf<TUint32> provider( ECcHomescreen );

    TPckgBuf<TUint32> sender;

    TPckgBuf<TUint32> receiver;

    err = iSession.Send( ECcApiReq, provider, sender, receiver, msgPtr );

    if ( !err )

        {

        // Internalize response message

        TUint32 trId;

        TUint32 dataSize;

        err = InternalizeRespL( msgPtr, trId, dataSize );

        if ( !err && dataSize )

            {

            // Internalize API response data

            err = InternalizeContentInfoArrayL( aArray, trId, dataSize );

            }

        }

    // Cleanup

    CleanupStack::PopAndDestroy( msgBuf );

    CleanupStack::PopAndDestroy( reqMsg );

    return err;

    }

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

// CHsCcApiClient::ViewListL

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

//

TInt CHsCcApiClient::ViewListL( CHsContentInfoArray& aArray )

    {

    TInt err( KErrNone );

    // Create ViewListReq API request

    CCcSrvMsg* reqMsg = CCcSrvMsg::NewL();

    CleanupStack::PushL( reqMsg );

    reqMsg->SetMsgId( EHsCcViewListReq );

    reqMsg->SetTrId( 0 );

    reqMsg->SetData( KNullDesC8() );

    // Marshal API request

    HBufC8* msgBuf = reqMsg->MarshalL();

    CleanupStack::PushL( msgBuf );

    TPtr8 msgPtr( NULL, 0 );

    msgPtr.Set( msgBuf->Des() );

    // Send API request

    // Sender and receiver address not defined -> message is routed

    // according to the provider id

    TPckgBuf<TUint32> provider( ECcHomescreen );

    TPckgBuf<TUint32> sender;

    TPckgBuf<TUint32> receiver;

    err = iSession.Send( ECcApiReq, provider, sender, receiver, msgPtr );

    if ( !err )

        {

        // Internalize response message

        TUint32 trId;

        TUint32 dataSize;

        err = InternalizeRespL( msgPtr, trId, dataSize );

        if ( !err && dataSize )

            {

            // Internalize API response data

            err = InternalizeContentInfoArrayL( aArray, trId, dataSize );

            }

        }

    // Cleanup

    CleanupStack::PopAndDestroy( msgBuf );

    CleanupStack::PopAndDestroy( reqMsg );

    return err;

    }

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

// CHsCcApiClient::AppListL

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

//

TInt CHsCcApiClient::AppListL( CHsContentInfoArray& aArray )

    {

    TInt err( KErrNone );

    // Create AppListReq API request

    CCcSrvMsg* reqMsg = CCcSrvMsg::NewL();

    CleanupStack::PushL( reqMsg );

    reqMsg->SetMsgId( EHsCcAppListReq );

    reqMsg->SetTrId( 0 );

    reqMsg->SetData( KNullDesC8() );

    // Marshal API request

    HBufC8* msgBuf = reqMsg->MarshalL();

    CleanupStack::PushL( msgBuf );

    TPtr8 msgPtr( NULL, 0 );

    msgPtr.Set( msgBuf->Des() );

    // Send API request

    // Sender and receiver address not defined -> message is routed

    // according to the provider id

    TPckgBuf<TUint32> provider( ECcHomescreen );

    TPckgBuf<TUint32> sender;

    TPckgBuf<TUint32> receiver;

    err = iSession.Send( ECcApiReq, provider, sender, receiver, msgPtr );

    if ( !err )

        {

        // Internalize response message

        TUint32 trId;

        TUint32 dataSize;

        err = InternalizeRespL( msgPtr, trId, dataSize );

        if ( !err && dataSize )

            {

            // Internalize API response data

            err = InternalizeContentInfoArrayL( aArray, trId, dataSize );

            }

        }

    // Cleanup

    CleanupStack::PopAndDestroy( msgBuf );

    CleanupStack::PopAndDestroy( reqMsg );

    return err;

    }

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

// CHsCcApiClient::AddWidgetL

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

//

TInt CHsCcApiClient::AddWidgetL( CHsContentInfo& aInfo )

    {

    TInt err( KErrNone );

    // Create AddWidgetReq API request

    CCcSrvMsg* reqMsg = CCcSrvMsg::NewL();

    CleanupStack::PushL( reqMsg );

    reqMsg->SetMsgId( EHsCcAddWidgetReq );

    reqMsg->SetTrId( 0 );

    // Marshal AddWidgetReq data to a descriptor

    HBufC8* dataBuf = aInfo.MarshalL();

    TPtr8 dataPtr( NULL, 0 );

    dataPtr.Set( dataBuf->Des() );

    reqMsg->SetData( dataPtr );

    delete dataBuf;

    dataBuf = NULL;

    // Marshal API request

    HBufC8* msgBuf = reqMsg->MarshalL();

    CleanupStack::PushL( msgBuf );

    TPtr8 msgPtr( NULL, 0 );

    msgPtr.Set( msgBuf->Des() );

    // Send API request

    // Sender and receiver address not defined -> message is routed

    // according to the provider id

    TPckgBuf<TUint32> provider( ECcHomescreen );

    TPckgBuf<TUint32> sender;

    TPckgBuf<TUint32> receiver;

    err = iSession.Send( ECcApiReq, provider, sender, receiver, msgPtr );

    if ( !err )

        {

        // Internalize response message

        TUint32 trId;

        TUint32 dataSize;

        err = InternalizeRespL( msgPtr, trId, dataSize );

        }

    // Cleanup

    CleanupStack::PopAndDestroy( msgBuf );

    CleanupStack::PopAndDestroy( reqMsg );

    return err;

    }

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

// CHsCcApiClient::RemoveWidgetL

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

//

TInt CHsCcApiClient::RemoveWidgetL( CHsContentInfo& aInfo )

    {

    TInt err( KErrNone );

    // Create RemoveWidgetReq API request

    CCcSrvMsg* reqMsg = CCcSrvMsg::NewL();

    CleanupStack::PushL( reqMsg );

    reqMsg->SetMsgId( EHsCcRemoveWidgetReq );

    reqMsg->SetTrId( 0 );

    // Marshal RemoveWidgetReq data to a descriptor

    HBufC8* dataBuf = aInfo.MarshalL();

    TPtr8 dataPtr( NULL, 0 );

    dataPtr.Set( dataBuf->Des() );

    reqMsg->SetData( dataPtr );

    delete dataBuf;

    dataBuf = NULL;

    // Marshal API request

    HBufC8* msgBuf = reqMsg->MarshalL();

    CleanupStack::PushL( msgBuf );

    TPtr8 msgPtr( NULL, 0 );