/*

* Copyright (c) 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:  Location Centre Server object.

*

*/

// SYSTEM INCLUDES

// USER INCLUDES

#include "lcserver.h"

#include "lcserverinterface.h"

#include "lcserversession.h"

#include "lcservershutdowntimer.h"

#include "lcserverengine.h"

// CONSTANT DEFINTIONS

// ----- Member funtions for CLcServer ---------------------------------

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

// CLcServer::CLcServer

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

//

CLcServer::CLcServer()

    :CServer2( CActive::EPriorityStandard )

    {

    // C++ Default constructor. No allocations or functions which can Leave

    // should be called from here.

    }

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

// CLcServer::~CLcServer

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

//

CLcServer::~CLcServer()

    {

    // C++ Destructor. Free all resources associated with this class.

    // Delete the Server Engine.

    delete iEngine;

    // Delete the shutdown timer.

    delete iShutDownTimer;

    }

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

// CLcServer* CLcServer::NewL

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

//

CLcServer* CLcServer::NewL()

    {

    CLcServer* self = NewLC();

    CleanupStack::Pop( self );

    return self;         

    }

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

// CLcServer* CLcServer::NewLC

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

//

CLcServer* CLcServer::NewLC()

    {

    // Symbian Two phased constructor. Leaves the object on the Clean-up

    // stack.

    CLcServer* self = new ( ELeave )CLcServer();

    CleanupStack::PushL( self );

    self->ConstructL();

    return self;         

    }

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

// void CLcService::ConstructL

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

//

void CLcServer::ConstructL()

    {

    // Start the Location Centre Server

    StartL( KLocationCentreServerName ); 

    // Create the shutdown timer

    iShutDownTimer = CLcServerShutDownTimer::NewL();

    // Create the Location Centre Server Engine.

    iEngine = CLcServerEngine::NewL( *this ); 

    }  

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

// CSession2* CLcServer::NewSessionL

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

//

CSession2* CLcServer::NewSessionL( const TVersion&     aVersion,

                                   const RMessage2&    /* aMessage */ ) const

    {

    // Check the version number. We dont support any other version numbers

    // greater than ( 1, 0, 0 ). Hence, if the version number passed to this

    // function is greater than the supported number leave with KErrNotSupported.

    TVersion version( KLcServerMajorVersionNumber,

                      KLcServerMinorVersionNumber,

                      KLcServerBuildVersionNumber );

    if ( !User::QueryVersionSupported( version, aVersion ))

        {

        User::Leave( KErrNotSupported );

        }

    // Make new session

    CSession2* newSession = 

        CLcServerSession::NewL( *( const_cast< CLcServer* >( this )),

                                *iEngine );

    return newSession;    

    }

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

// void CLcServer::IncrementSessions

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

//

void CLcServer::IncrementSessions()

    {

    // Increment the number of sessions

    iNumberofSessions++;

    // Stop the Shutdown timer. This function does nothing if the timer 

    // is not already running.

    iShutDownTimer->StopTimer();

    }

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

// void CLcServer::DecrementSessions

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

//

void CLcServer::DecrementSessions()

    {

    // If the number of sessions is equal to zero then start the shutdown

    // timer.

    if ( --iNumberofSessions == 0 )

        {

        iShutDownTimer->StartTimer();

        }     

    }

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

// void CLcServer::LcRegistryUpdated

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

//

void CLcServer::LcRegistryUpdated()

    {

    // Inform all the Sessions contained here that there is an update to the

    // registry so that they can inform any clients which have registered

    // for notification

    iSessionIter.SetToFirst();

    while ( iSessionIter )

        {

        // Obtain the element at the current position and notify the corresponding

        // session object.

        CLcServerSession& session = static_cast <CLcServerSession&>( *iSessionIter );

        session.RegistryUpdated();

        // Increment the Session object to point to the next session instance

        iSessionIter++;

        }

    }

// End of File