/*
* Copyright (c) 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:  Implementation of the CTelDMCommandHandler class.
*
*/



// INCLUDE FILES

#include    <mphonedevicemodeobserver.h>
#include    <PSVariables.h>
#include    <ctsydomainpskeys.h>

#include    "CTelDMCommandHandler.h"
#include	"CTelDMCallStateListener.h"
#include	"MTelDMAccessory.h"
#include	"CTelDMDebug.h"
#include     <coreapplicationuisdomainpskeys.h>

// MODULE DATA STRUCTURES
 
// ============================ MEMBER FUNCTIONS ===============================
 
// -----------------------------------------------------------------------------
// CTelDMCommandHandler::NewL
// 
// -----------------------------------------------------------------------------
//  
CTelDMCommandHandler* CTelDMCommandHandler::NewL( 
									MPhoneDeviceModeObserver& aCallHandler, 
        							MTelDMAccessory& aAccessory ) 
    {
    CTelDMCommandHandler* self =
        new ( ELeave ) CTelDMCommandHandler( aCallHandler, 
        										aAccessory );
    CleanupStack::PushL( self );
    self->ConstructL();
    CleanupStack::Pop( self );
    return self;
    }


// -----------------------------------------------------------------------------
// CTelDMCommandHandler::CTelDMCommandHandler
// 
// -----------------------------------------------------------------------------
//
CTelDMCommandHandler::CTelDMCommandHandler( 
									MPhoneDeviceModeObserver& aCallHandler, 
        							MTelDMAccessory& aAccessory ):
    iCallHandler( aCallHandler ),
    iAccessory ( aAccessory ),
    iGripOpen ( EFalse ),
    iGripOpenOnRingingState ( EFalse )
    {
    }

// -----------------------------------------------------------------------------
// CTelDMCommandHandler::~CTelDMCommandHandler
// 
// -----------------------------------------------------------------------------
//
CTelDMCommandHandler::~CTelDMCommandHandler()
    {
    iKeyLock.Close();
    }

// -----------------------------------------------------------------------------
// CTelDMCommandHandler::ConstructL
// 
// -----------------------------------------------------------------------------
//    
void CTelDMCommandHandler::ConstructL()
    { 
    User::LeaveIfError( iKeyLock.Connect() );                		      
    }

// -----------------------------------------------------------------------------
// CTelDMCommandHandler::CallStateChanged()
// 
// -----------------------------------------------------------------------------
//    
void CTelDMCommandHandler::CallStateChangedL( TInt aCallState )
	{
	FLOG( _L( "CTelDMCommandHandler::CallStateChanged<" ) )
	FTRACE( FPrint( _L( "CTelDMCommandHandler::CallStateChangedL.aCallState=%d"), 
    															aCallState ))
    iCallState = aCallState;															
    switch( aCallState )
        {  
        // Arriving call                    
        case EPSCTsyCallStateRinging: 
        	FLOG( _L( "CTelDMCommandHandler::CallStateChanged.Ringing" ) )
            RProperty::Set( KPSUidCoreApplicationUIs,
                            KCoreAppUIsSoftReject,
                            ECoreAppUIsSoftRejectUninitialized );
			iGripOpenOnRingingState = iGripOpen;
			break;
		// Answered
        case EPSCTsyCallStateConnected:  
        	{	
        	FLOG( _L( "CTelDMCommandHandler::CallStateChanged.Connected" ) )
        	if ( iGripOpenOnRingingState )
        		{
        		OfferKeyLock();	
        		}
        	
        	// Clear the flag.
        	iGripOpenOnRingingState = EFalse;
        	}
        	break;
        // Disconnected 
       	case EPSCTsyCallStateNone:
       		{
       		FLOG( _L( "CTelDMCommandHandler::CallStateChanged.None" ) )
       		if ( iGripOpenOnRingingState )
        		{
        		OfferKeyLock();	
        		}    		
       		}
       		break; 
        default:
            break;
        }     
   	FLOG( _L( "CTelDMCommandHandler::CallStateChanged>" ) )  
	}
// -----------------------------------------------------------------------------
// CTelDMCommandHandler::HandleEvent
// 
// -----------------------------------------------------------------------------
//    
void CTelDMCommandHandler::HandleCommand( TCommands aCommand )
    {           
    FLOG( _L( "CTelDMCommandHandler::HandleCommand<" ) ) 
    switch( aCommand )
        {                      
        case EGripOpen:
        	{
        	FLOG( _L( "CTelDMCommandHandler::HandleCommand.Open" ) ) 
        	iGripOpen = ETrue;
        	if ( !IsSoftRejectOngoing() )
        	    {
        	    iCallHandler.Answer();
        	    }
        	}
			break;
		// Do not end calls if accessory is connected. 
        case EGripClose:
        	{
        	FLOG( _L( "CTelDMCommandHandler::HandleCommand.Close" ) ) 
        	iGripOpen = EFalse;
        	EndCalls();
        	break;
        	}
        default:
            break;
        }  
   	FLOG( _L( "CTelDMCommandHandler::HandleCommand>" ) )      
    }
    
// -----------------------------------------------------------------------------
// CTelDMCommandHandler::EndCalls
// 
// -----------------------------------------------------------------------------
//    
void CTelDMCommandHandler::EndCalls()

	{
	if ( IsEmergencyCall() )
	    {
	    // None
	    }
	else if ( iAccessory.IsAccessoryAttached()  &&
		      !iAccessory.IsAnyActiveAccessory() &&
		      iCallState == EPSCTsyCallStateConnected )
		{
		FLOG( _L( "CTelDMCommandHandler::EndCalls#1" ) )
		iCallHandler.EndVoiceCalls();
		}
	else if ( !iAccessory.IsAccessoryAttached() )
		{
		FLOG( _L( "CTelDMCommandHandler::EndCalls#2" ) )
		iCallHandler.EndVoiceCalls();
		}
	}
// -----------------------------------------------------------------------------
// CTelDMCommandHandler::OfferKeyLock
//
// -----------------------------------------------------------------------------
//
void CTelDMCommandHandler::OfferKeyLock()

    {
    //- AudioAccessory attached (BT headset, Wired headset etc.)
	//- Arriving call and grip open.  
	//- Call terminated or answered  
	//-> KeyLock query is shown if not locked   	
    if ( iAccessory.IsAccessoryAttached() && 
        							   !iGripOpen && 
        							   !iKeyLock.IsKeyLockEnabled() )
		{
		FLOG( _L( "CTelDMCommandHandler::CallStateChanged -lock?" ) ) 
		//Lock keypad ?
		iKeyLock.OfferKeyLock();
		}  
    }

// ---------------------------------------------------------
// CTelDMCommandHandler::IsEmergencyCall
// ---------------------------------------------------------
//
TBool CTelDMCommandHandler::IsEmergencyCall() const
    {
    FLOG( _L( "CTelDMCommandHandler::IsEmergencyCall" ) ) 
    TBool retVal( EFalse );
    TInt err( KErrNone );
    TInt state( 0 );
    
    err = RProperty::Get(
            KPSUidCtsyEmergencyCallInfo,
            KCTSYEmergencyCallInfo,
            state );
    
    if ( err == KErrNone && state )
        {
        retVal = ETrue;            
        }
    return retVal;
    }

// ---------------------------------------------------------
// CTelDMCommandHandler::IsSoftRejectOngoing
// ---------------------------------------------------------
//
TBool CTelDMCommandHandler::IsSoftRejectOngoing() const
    {
    FLOG( _L( "CTelDMCommandHandler::IsSoftRejectOngoing" ) )
    TBool retVal( EFalse );
    TInt err( KErrNone );
    TInt state( 0 );
        
    err = RProperty::Get(
            KPSUidCoreApplicationUIs,
            KCoreAppUIsSoftReject,
            state );
    
    if ( err == KErrNone && state == ECoreAppUIsSoftReject )
        {
        retVal = ETrue;            
        }
    return retVal;
    }

// End of File