/*

* Copyright (c) 2007-2008 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:   

*

*/

#include <mmtsy_names.h>

#include "vccgsmsignallevelhandler.h"

#include "rubydebug.h"

static const TInt32 KStrengthMin = 110;

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

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

// C++ constructor

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

//

CVccGsmSignalLevelHandler::CVccGsmSignalLevelHandler( 

                                             MVccSignalLevelObserver& aObserver, 

                                             const TSignalLevelParams& aParams )

    : CVccSignalLevelHandler( aObserver, aParams )

    {

    }

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

// Symbian constructor.

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

//

void CVccGsmSignalLevelHandler::ConstructL()

    {

    RUBY_DEBUG_BLOCKL( "CVccGsmSignalLevelHandler::ConstructL" );

    CVccSignalLevelHandler::ConstructL();

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

    User::LeaveIfError( iEtelServer.LoadPhoneModule( KMmTsyModuleName ) );

    User::LeaveIfError( iPhone.Open( iEtelServer, KMmTsyPhoneName ) );

    iGsmNotifications = CVccGsmNotifications::NewL( iPhone );

    }   

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

// Symbian constructor.

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

// 

CVccGsmSignalLevelHandler * CVccGsmSignalLevelHandler::NewL( 

                                            MVccSignalLevelObserver& aObserver, 

                                            const TSignalLevelParams& aParams )

    {

    CVccGsmSignalLevelHandler * self = 

                         CVccGsmSignalLevelHandler::NewLC( aObserver, aParams );

    CleanupStack::Pop(self);

    return self;

    }    

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

// Symbian constructor.

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

// 

CVccGsmSignalLevelHandler * CVccGsmSignalLevelHandler::NewLC( 

                                            MVccSignalLevelObserver& aObserver, 

                                            const TSignalLevelParams& aParams )

    {

    CVccGsmSignalLevelHandler * self = 

                    new(ELeave) CVccGsmSignalLevelHandler( aObserver, aParams );

    CleanupStack::PushL(self);

    self->ConstructL();

    return self;

    }

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

// C++ destructor.

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

//    

CVccGsmSignalLevelHandler::~CVccGsmSignalLevelHandler()

    {

    Cancel(); // Cancel any request, if outstanding

    delete iGsmNotifications;

    iPhone.Close();

    iEtelServer.Close();

    }

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

// Enables signal level change notifications.

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

// 

void CVccGsmSignalLevelHandler::EnableNotificationsL()

    {

    RUBY_DEBUG_BLOCK( "CVccGsmSignalLevelHandler::EnableNotificationsL" );

    iGsmNotifications->ActivateNotifications( this,

                                  iParams.iLowLevel, iParams.iHighLevel );

    }

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

// Disables signal level change notifications.

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

// 

void CVccGsmSignalLevelHandler::DisableNotifications()

    {

    iGsmNotifications->CancelNotifications();

    }

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

// Issues signal strength request to RMobilePhone.

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

// 

void CVccGsmSignalLevelHandler::GetStrength()

    {

    RUBY_DEBUG_BLOCK( "CVccGsmSignalLevelHandler::GetStrength" );

    iPhone.GetSignalStrength( iStatus, iStrength, iBar );

    RUBY_DEBUG3( " -iStatus = %d, iStrength = %d, iBar = %d",

                            iStatus.Int(), iStrength, iBar );

    }

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

// Cancels signal strength request

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

// 

void CVccGsmSignalLevelHandler::CancelGetStrength()

    {

    RUBY_DEBUG_BLOCK( "CVccGsmSignalLevelHandler::CancelGetStrength" );

    // EMobilePhoneNotifyModeChange

    iPhone.CancelAsyncRequest( EMobilePhoneGetSignalStrength ); 

    }

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

// Notification that signal strength has changed is received.

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

//

void CVccGsmSignalLevelHandler::GsmStrengthChanged( TInt32 aStrength )

    {

    RUBY_DEBUG_BLOCK( "CVccGsmSignalLevelHandler::GsmStrengthChanged" );

    RUBY_DEBUG1( " -aStrength = %d", aStrength );

    iStrength = aStrength  ? aStrength : KStrengthMin;

    StrengthChanged();

    }

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

// Notififies observer about signal level change.

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

//

void CVccGsmSignalLevelHandler::NotifyChanges(

    TInt32 aSignalStrength,

    MVccSignalLevelObserver::TSignalStrengthClass aClass )

    {

    RUBY_DEBUG_BLOCK( "CVccGsmSignalLevelHandler::NotifyChanges" );

    iObserver.GsmSignalChanged( aSignalStrength, aClass );

    }