/*

* Copyright (c) 2006-2006 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:  Preset server client implementation

*

*/

#include "pspresetinterface.h"

#include "psserv.h"

// ======== LOCAL FUNCTIONS ========

namespace 

    {

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

    // Panics the application with the supplied reason.

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

    //

    void Panic( TInt aReason )

        {

        _LIT( panic, "PSServ" );

        User::Panic( panic, aReason );

        }

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

    // Checks whether or not the server is running.

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

    //

    TBool IsServerStarted()

        {

        TFindServer server( KPSServerName );

        TFullName serverName;

        return ( server.Next( serverName ) == KErrNone );

        }

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

    // Starts the server.

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

    //

    TInt StartServer()

        {

        TInt result = KErrNone;

        if ( !IsServerStarted() )

            {

            RProcess process;

            result = process.Create( KPSServerExe, KNullDesC );

            if ( result == KErrNone || result == KErrAlreadyExists )

                {

                TRequestStatus logonStatus;

                TRequestStatus rendezvousStatus;

                process.Logon( logonStatus );

                process.Rendezvous( rendezvousStatus );

                // start process

                if ( result == KErrNone )

                    {

                    process.Resume();

                    }

                // wait for either of statuses to be signaled

                User::WaitForRequest( logonStatus, rendezvousStatus );

                // if logonStatus was not signaled (it is still KRequestPending)

                // cancel it

                if ( logonStatus == KRequestPending ) // Server succesfully started.

                    {

                    process.LogonCancel( logonStatus );

                    User::WaitForRequest( logonStatus );

                    }

                else

                    {

                    process.RendezvousCancel( rendezvousStatus );

                    User::WaitForRequest( rendezvousStatus );

                    }

                }

            __ASSERT_ALWAYS( IsServerStarted(), Panic( KErrNotFound ) );

            }

        return result;

        }

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

    // Returns the current version number.

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

    //

    TVersion Version()

        {

        return TVersion( KPSVersionMajor, KPSVersionMinor, KPSVersionBuild );

        }

    }

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

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

// Constructor.

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

//

EXPORT_C RPSServ::RPSServ()

    : RSessionBase(), iReserved()

    {

    }

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

// Connects the session to the server.

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

//

EXPORT_C TInt RPSServ::Connect()

    {

    StartServer();

    return CreateSession( KPSServerName, Version() );

    }

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

// Closes the session.

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

//

EXPORT_C void RPSServ::Close()

    {

    RHandleBase::Close();

    }

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

// Creates a preset.

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

//

EXPORT_C CPSPresetInterface* RPSServ::CreatePresetL( TInt aIndex, TUid aDataHandler )

    {

    TPckgBuf<TInt> id;

    User::LeaveIfError( SendReceive( EPSOpCreatePreset, TIpcArgs( aIndex, aDataHandler.iUid, &id ) ) );   

    return CPSPresetInterface::CreateL( *this, id(), aDataHandler );

    }

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

// Opens a preset.

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

//

EXPORT_C CPSPresetInterface* RPSServ::OpenPresetL( TInt aId )

    {

    TPckgBuf<TInt> dataHandler;

    User::LeaveIfError( SendReceive( EPSOpGetPresetDataHandler, TIpcArgs( aId, &dataHandler ) ) );

    return CPSPresetInterface::CreateL( *this, aId, TUid::Uid( dataHandler() ) );

    }

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

// Deletes a preset.

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

//

EXPORT_C void RPSServ::DeletePresetL( TInt aId )

    {

    User::LeaveIfError( SendReceive( EPSOpDeletePreset, TIpcArgs( aId ) ) );

    }

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

// Moves a preset.

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

//

EXPORT_C void RPSServ::MovePresetL( TInt aId, TInt aDestinationIndex )

    {

    User::LeaveIfError( SendReceive( EPSOpMovePreset, TIpcArgs( aId, aDestinationIndex) ) );

    }

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

// Gets all presets.

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

//

EXPORT_C void RPSServ::GetPresetsL( RPointerArray<CPSPresetInterface>& aPresets )

    {

    GetPresetsL<CPSPresetInterface>( aPresets, KNullUid );

    }

// ======== GLOBAL FUNCTIONS ========