/*

* Copyright (c) 2002-2007 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:  The remote sim view implementation

*  Version     : %version: he1s60#21.1.3 %

*

*/

// INCLUDE FILES

#include "CRemoteView.h"

// From Virtual Phonebook

#include "CRemoteStore.h"

#include "VPbkSimStoreError.h"

#include <MVPbkSimViewObserver.h>

#include <VPbkSimServerOpCodes.h>

#include <CVPbkSimContactBuf.h>

#include <CVPbkAsyncOperation.h>

#include <CVPbkAsyncCallback.h>

#include <CVPbkSimFieldTypeFilter.h>

#include <MVPbkSimViewFindObserver.h>

#include <VPbkSimStoreTemplateFunctions.h>

#include <s32mem.h>

namespace VPbkSimStore {

inline void SendEvent(

    RPointerArray<MVPbkSimViewObserver>& aObservers,

    void ( MVPbkSimViewObserver::*aEvent )( MVPbkSimCntView& ),

    CRemoteView& aThis )

    {

    for ( TInt i = aObservers.Count() - 1; i >= 0; --i )

        {

        ( aObservers[i]->*aEvent )( aThis );

        }    

    }

inline void SendEvent(

    RPointerArray<MVPbkSimViewObserver>& aObservers,

    void ( MVPbkSimViewObserver::*aEvent )( MVPbkSimCntView&, TInt ),

    CRemoteView& aThis,

    TInt aParam )

    {

    for ( TInt i = aObservers.Count() - 1; i >= 0; --i )

        {

        ( aObservers[i]->*aEvent )( aThis, aParam );

        }    

    }

inline void SendEvent(

    RPointerArray<MVPbkSimViewObserver>& aObservers,

    void ( MVPbkSimViewObserver::*aEvent )

        ( MVPbkSimViewObserver::TEvent, TInt, TInt ),

    MVPbkSimViewObserver::TEvent aEventType,

    TInt aParam1,

    TInt aParam2 )

    {

    for ( TInt i = aObservers.Count() - 1; i >= 0; --i )

        {

        ( aObservers[i]->*aEvent )( aEventType, aParam1, aParam2 );

        }    

    }

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

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

// CRemoteView::CViewFindOperation::CViewFindOperation

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

// might leave.

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

//

CRemoteView::CViewFindOperation::CViewFindOperation( 

	    const MDesCArray& aFindStrings,             

        MVPbkSimViewFindObserver& aObserver,

        RVPbkSimCntView& aSimCntViewSession,

        MVPbkSimCntView& aSimCntView ):

    CActive( EPriorityStandard ),

    iFindStrings( aFindStrings ),

    iObserver( aObserver ),

    iSimCntViewSession( aSimCntViewSession ),

    iSimCntView(aSimCntView),

    iSimMatchResultBufPtr( NULL, 0 )

    {

    }

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

// CRemoteView::CViewFindOperation::ConstructL

// Symbian 2nd phase constructor can leave.

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

//

void CRemoteView::CViewFindOperation::ConstructL()

    {

    CActiveScheduler::Add( this );           

    }

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

// CRemoteView::CViewFindOperation::NewL

// Two-phased constructor.

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

//

CRemoteView::CViewFindOperation* CRemoteView::CViewFindOperation::NewL( 

        const MDesCArray& aFindStrings, 

        MVPbkSimViewFindObserver& aObserver,

        RVPbkSimCntView& aSimCntViewSession,

        MVPbkSimCntView& aSimCntView )

    {

    CViewFindOperation* self = 

        new( ELeave ) CViewFindOperation( aFindStrings, aObserver, 

                                          aSimCntViewSession, aSimCntView );

    CleanupStack::PushL( self );

    self->ConstructL();

    CleanupStack::Pop( self );

    return self;

    }

// Destructor

CRemoteView::CViewFindOperation::~CViewFindOperation()

    {

    Cancel();    

    delete iSimMatchResultBuf;

    }

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

// CRemoteView::CViewFindOperation::ActivateL

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

//

void CRemoteView::CViewFindOperation::ActivateL()

    {

    SetActive();

    iSimCntViewSession.ContactMatchingPrefixL( iFindStrings, 

                                               iResultBufferSize, 

                                               iStatus );    

    }

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

// CRemoteView::CViewFindOperation::RunL

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

//

void CRemoteView::CViewFindOperation::RunL()

    {

    RVPbkStreamedIntArray matchedIndexes;

    CleanupClosePushL( matchedIndexes );

    TInt result = iStatus.Int();

    switch ( result )

        {

        case KErrNone:

            {    

            //Delete old buffer        

            if ( iSimMatchResultBuf )

                {

                delete iSimMatchResultBuf;

                iSimMatchResultBuf = NULL;

                }

            //Create buffer

            iSimMatchResultBuf = HBufC8::NewL( iResultBufferSize );

            iSimMatchResultBufPtr.Set( iSimMatchResultBuf->Des() );                

            //Get contact matching results

            iSimCntViewSession.ContactMatchingResultL( iSimMatchResultBufPtr );

            //Unpack results

            RDesReadStream stream( iSimMatchResultBufPtr );

            CleanupClosePushL( stream );

            matchedIndexes.InternalizeL( stream );

            CleanupStack::PopAndDestroy(); // stream

            iObserver.ViewFindCompleted( iSimCntView, matchedIndexes );            

            break;

            }            

        default:

            {

            iObserver.ViewFindError( iSimCntView, result );

            break;

            }

        }

    CleanupStack::PopAndDestroy(); // matchedIndexes

    }

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

// CRemoteView::CViewFindOperation::DoCancel

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

//

void CRemoteView::CViewFindOperation::DoCancel()

    {

    iSimCntViewSession.CancelAsyncRequest( EVPbkSimSrvContactMatchingPrefix );

    }

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

// CRemoteView::CViewFindOperation::RunError

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

//

TInt CRemoteView::CViewFindOperation::RunError( TInt aError )

    {

    iObserver.ViewFindError( iSimCntView, aError );

    return KErrNone;

    }    

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

// CRemoteView::CRemoteView

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

// might leave.

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

//

CRemoteView::CRemoteView( CRemoteStore& aStore,

        TVPbkSimViewConstructionPolicy aConstructionPolicy,

        CVPbkSimFieldTypeFilter* aFilter ) :

            CActive( EPriorityStandard ),

            iStore( aStore ),

            iConstructionPolicy( aConstructionPolicy ),

            iFilter( aFilter )

    {

    }

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

// CRemoteView::~CRemoteView

// Destructor

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

// 

CRemoteView::~CRemoteView()

    {

    delete iObserverOp;

    iObservers.Reset();

    iSortOrder.Close();

    iStore.RemoveObserver( *this );

    Cancel();

    delete iCurrentContact;

    iSimView.Close();

    delete iViewName;

    delete iFilter;

    }

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

// CRemoteView::NewLC

// Two-phased constructor.

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

//

CRemoteView* CRemoteView::NewL( CRemoteStore& aStore,

        const RVPbkSimFieldTypeArray& aSortOrder, 

        TVPbkSimViewConstructionPolicy aConstructionPolicy,

        const TDesC& aViewName,

        CVPbkSimFieldTypeFilter* aFilter )

    {

    CRemoteView* self = 

        new( ELeave ) CRemoteView( aStore, aConstructionPolicy, aFilter );

    CleanupStack::PushL( self );

    self->ConstructL( aSortOrder, aViewName );

    CleanupStack::Pop( self );

    return self;

    }

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

// CRemoteView::ConstructL

// Symbian 2nd phase constructor can leave.

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

//

void CRemoteView::ConstructL( const RVPbkSimFieldTypeArray& aSortOrder,

    const TDesC& aViewName )

    {

    CActiveScheduler::Add( this );

    SetSortOrderL( aSortOrder );

    iViewName = aViewName.AllocL();

    iCurrentContact = CVPbkSimContactBuf::NewL( iStore );

    iStore.AddObserverL( *this );

    iObserverOp = CVPbkAsyncObjectOperation<MVPbkSimViewObserver>::NewL();

    }

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

// CRemoteView::RunL

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

//

void CRemoteView::RunL()

    {

    if ( iStatus == KErrNone )

        {

        switch ( iEventData.iEvent )

            {   

            case EVPbkSimViewOpen:

                {

                SendEvent(iObservers, &MVPbkSimViewObserver::ViewReady, *this);

                break;

                }

            case EVPbkSimViewNotAvailable:

                {

                SendEvent(iObservers, &MVPbkSimViewObserver::ViewNotAvailable, *this);

                break;

                }

            case EVPbkSimContactAdded:

                {

                SendEvent(iObservers, &MVPbkSimViewObserver::ViewContactEvent, 

                          MVPbkSimViewObserver::EContactAdded, 

                          iEventData.iData, iEventData.iOpData );

                break;

                }

            case EVPbkSimContactDeleted:

                {

                SendEvent(iObservers, &MVPbkSimViewObserver::ViewContactEvent, 

                          MVPbkSimViewObserver::EContactDeleted, 

                          iEventData.iData, iEventData.iOpData );

                break;

                }

            case EVPbkSimViewError:

                {

                SendEvent(iObservers, &MVPbkSimViewObserver::ViewError, 

                          *this, iEventData.iOpData );

                break;

                }

            case EVPbkSimUnknown: // FALLTHROUGH

            default:

                {

                __ASSERT_DEBUG( EFalse, VPbkSimStore::Panic( 

                    VPbkSimStore::EUnknownViewEventFromServer ) );

                SendEvent(iObservers, &MVPbkSimViewObserver::ViewError, 

                          *this, KErrUnknown );

                break;

                }

            }

        }

    else

        {

        SendEvent(iObservers, &MVPbkSimViewObserver::ViewError, 

                  *this, iStatus.Int() );

        }

    ActivateViewNotification();

    }

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

// CRemoteView::DoCancel

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

//

void CRemoteView::DoCancel()

    {

    iSimView.CancelAsyncRequest( EVPbkSimSrvViewEventNotification );

    }

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

// CRemoteView::Name

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

//

const TDesC& CRemoteView::Name() const

    {

    return *iViewName;

    }

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

// CRemoteView::ParentStore

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

//

MVPbkSimCntStore& CRemoteView::ParentStore() const

    {

    return iStore;

    }

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

// CRemoteView::OpenL

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

//

void CRemoteView::OpenL( MVPbkSimViewObserver& aObserver )

    {

    TInt index = iObservers.Find(&aObserver);

    __ASSERT_DEBUG( index == KErrNotFound, 

        Panic( ERemoteViewObserverAlreadySet ) );

    iObservers.AppendL(&aObserver);

    // Open view subsession only if the store has been opened

    // This is actually called only from CContactView::ConstructL so

    // it's called only once -> not need to make else-clause for async

    if ( iStore.IsOpen() && !iSimView.SubSessionHandle())

        {

        iSimView.OpenL( iStore.StoreSession(), iSortOrder, iConstructionPolicy, 

            *iViewName, iFilter );

        ActivateViewNotification();

        }

    else

        {

        // Complete with "View unavailable" event

        CVPbkAsyncObjectCallback<MVPbkSimViewObserver>* callback =

            VPbkEngUtils::CreateAsyncObjectCallbackLC(

                *this, 

                &CRemoteView::DoViewUnavailableL,

                &CRemoteView::DoViewUnavailableError,

                aObserver );

        iObserverOp->CallbackL( callback );

        CleanupStack::Pop( callback ); // openCallback

        }

    }

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

// CRemoteView::Close

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

//

void CRemoteView::Close( MVPbkSimViewObserver& aObserver )

    {

    // Cancel the possible call back

    iObserverOp->CancelCallback( &aObserver );

    // Remove from the observer list

    TInt index = iObservers.Find(&aObserver);

    if (index != KErrNotFound)

        {

        iObservers.Remove(index);

        }

    // If it was the last user then close the connection to the server.

    if (iObservers.Count() == 0)

        {

        Cancel();

        iSimView.Close();

        }

    }

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

// CRemoteView::CountL

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

// 

TInt CRemoteView::CountL() const

    {

    return iSimView.CountL();

    }

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

// CRemoteView::ContactAtL

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

// 

MVPbkSimContact& CRemoteView::ContactAtL( TInt aIndex )

    {

    iCurrentContact->SetL( iSimView.ContactAtL( aIndex ) );

    return *iCurrentContact;

    }

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

// CRemoteView::ChangeSortOrderL

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

// 

void CRemoteView::ChangeSortOrderL( const RVPbkSimFieldTypeArray& aSortOrder )

    {

    if ( iSimView.SubSessionHandle() ) 

        {

        SetSortOrderL( aSortOrder );

        iSimView.ChangeSortOrderL( aSortOrder );        

        }

    }

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

// CRemoteView::MapSimIndexToViewIndexL

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

// 

TInt CRemoteView::MapSimIndexToViewIndexL( TInt aSimIndex )

    {

    return iSimView.FindViewIndexL( aSimIndex );

    }

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

// CRemoteView::ContactMatchingPrefixL

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

//     

MVPbkSimStoreOperation* CRemoteView::ContactMatchingPrefixL(

        const MDesCArray& aFindStrings, 

        MVPbkSimViewFindObserver& aObserver )

    {    

    CViewFindOperation* operation = CViewFindOperation::NewL(

        aFindStrings, aObserver, iSimView, *this );

    operation->ActivateL();

    return operation;

    }

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

// CRemoteView::SortOrderL

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

//

const RVPbkSimFieldTypeArray& CRemoteView::SortOrderL() const

    {

    HBufC8* sortOrder = iSimView.SortOrderL();

    CleanupStack::PushL( sortOrder );

    RDesReadStream readStream( *sortOrder );

    readStream.PushL();

    iSortOrder.Reset();

    readStream >> iSortOrder;

    CleanupStack::PopAndDestroy( &readStream );

    CleanupStack::PopAndDestroy( sortOrder );

    return iSortOrder;

    }

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

// CRemoteView::MapSimIndexToViewIndexL

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

//

void CRemoteView::StoreReady( MVPbkSimCntStore& /*aStore*/ )

    {

    if ( !iSimView.SubSessionHandle() )

        {

        TRAPD( result, iSimView.OpenL( iStore.StoreSession(), iSortOrder, 

            iConstructionPolicy, *iViewName, iFilter ) );

        if (result != KErrNone)

            {

            SendEvent(iObservers, &MVPbkSimViewObserver::ViewError, 

                      *this, result );

            }

        ActivateViewNotification();

        // Cancel any ongoing "View unavailable" events

        iObserverOp->Purge();

        }

    }

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

// CRemoteView::StoreError

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

//

void CRemoteView::StoreError( MVPbkSimCntStore& /*aStore*/, TInt aError )

    {

    // Cancel any ongoing view events