/*

* 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:  Dialog for editing VPN settings for a VPN

*                connection method

*

*/

// INCLUDE FILES

#include <cmpluginbaseeng.h>

#include <cmpluginvpn.mbg>

#include <cmpluginvpnui.rsg>

#include <AknDialog.h>

#include <StringLoader.h>

#include <cmmanager.rsg>

#include <akntextsettingpage.h>

#include <akntitle.h>

#include <cmcommonui.h>

#include <csxhelp/cp.hlp.hrh>

#include "cmlogger.h"

#include "cmmanagerimpl.h"

#include "cmpluginvpn.h"

#include "cmpvpnsettingsdlg.h"

#include "cmvpncommonconstants.h"

#include <cmpluginvpndef.h>

#include "cmpvpnpolicyselectiondlg.h"

#include <cmcommonconstants.h>

#include <cmpsettingsconsts.h>

#include "cmconnsettingsuiimpl.h"

#include "cmdestinationimpl.h"

#include "cmmanagerimpl.h"

using namespace CMManager;

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

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

// CmPluginVpnSettingsDlg::NewL()

// Two-phase dconstructor, second phase is ConstructAndRunLD

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

//

CmPluginVpnSettingsDlg* CmPluginVpnSettingsDlg::NewL( 

                                            CCmPluginBaseEng& aCmPluginBase )

	{

	CmPluginVpnSettingsDlg* self = 

	                new ( ELeave ) CmPluginVpnSettingsDlg( aCmPluginBase );

	return self;

	}

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

// CmPluginVpnSettingsDlg::CmPluginVpnSettingsDlg()

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

//

CmPluginVpnSettingsDlg::CmPluginVpnSettingsDlg( 

                                            CCmPluginBaseEng& aCmPluginBase )

    : CmPluginBaseSettingsDlg( aCmPluginBase )

    {

    }

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

// CmPluginVpnSettingsDlg::ConstructAndRunLD

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

//

TInt CmPluginVpnSettingsDlg::ConstructAndRunLD( )

    {

    LOGGER_ENTERFN( "CmPluginVpnSettingsDlg::ConstructAndRunLD" );

    // Set this flag to allow edit continue

    iCanEditingContinue = ETrue;

    CleanupStack::PushL( this );

    LoadResourceL( KPluginVPNResDirAndFileName );

    // check if VPN is available, as if not, we can not show the details...

    RVpnServ ps;

    CleanupClosePushL<RVpnServ>( ps );

    TInt err = ps.Connect();

    if ( err )

        {

        // show note

        HBufC* text = StringLoader::LoadLC( 

                                    R_QTN_VPN_INFO_MGMT_UI_NOT_ACCESSIBLE );

        TCmCommonUi::ShowNoteL( *text, TCmCommonUi::ECmInfoNote );

        CleanupStack::PopAndDestroy( text );        

        User::Leave( KLeaveWithoutAlert );

        }

    CleanupStack::PopAndDestroy(); // ps.close

    // check for compulsory fields missing & display note about it

    // information note VPN access point is incomplete. Try reconfiguring 

    // the access point. §qtn.vpn.info.vpn.iap.incomplete§ is displayed and 

    // Must be defined qtn_selec_setting_compulsory is displayed 

    // for the invalid settings.               

    if ( !CompulsoryFilledL() )

        {

        // show note

        HBufC* text = StringLoader::LoadLC( 

                                    R_QTN_VPN_INFO_VPN_IAP_INCOMPLETE );

        TCmCommonUi::ShowNoteL( *text, TCmCommonUi::ECmInfoNote );

        CleanupStack::PopAndDestroy( text );

        }

    CleanupStack::Pop( this );

    CCmManagerImpl& cmMgr = iCmPluginBaseEng.CmMgr();

    cmMgr.WatcherRegisterL( this );

    return CmPluginBaseSettingsDlg::ConstructAndRunLD( );

    }

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

// CmPluginVpnSettingsDlg::~CmPluginVpnSettingsDlg

// Destructor

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

//

CmPluginVpnSettingsDlg::~CmPluginVpnSettingsDlg()

    {

    iResourceReader.Close();

    }

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

// CmPluginVpnSettingsDlg::UpdateListBoxContentBearerSpecificL

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

//

void CmPluginVpnSettingsDlg::UpdateListBoxContentBearerSpecificL( 

                                                    CDesCArray& aItemArray )

    {

    LOGGER_ENTERFN( "CmPluginVpnSettingsDlg::UpdateListBoxContentBearerSpecificL" );

    HBufC* value = NULL;

    // VPN policy - Compulsory field

    AppendSettingTextsL( aItemArray, EVpnServicePolicyName );

    TUint32 iapId = iCmPluginBaseEng.GetIntAttributeL( EVpnIapId );

    TUint32 destId = iCmPluginBaseEng.GetIntAttributeL( ECmNextLayerSNAPId );

    CCmDestinationImpl* dest = NULL;

    // The underlying CM is a Destination

    if ( destId )

        {

        dest = iCmPluginBaseEng.CmMgr().DestinationL( destId );

        CleanupStack::PushL( dest );

//        CleanupReleasePushL( dest );

        value = dest->NameLC();

        }

    // The underlying CM is a CM

    else if ( iapId )

        {

        value = iCmPluginBaseEng.CmMgr().GetConnectionMethodInfoStringL( 

                                                           iapId, ECmName );

        CleanupStack::PushL( value );

        }

    else

        {

        // Must be defined

        value = StringLoader::LoadLC( R_QTN_VPN_SETT_VPN_IAP_REAL_NETW_REF_COMPULSORY );

        }

    AppendSettingTextsL( aItemArray,

                         ECmNextLayerIapId,

                         R_QTN_VPN_SETT_VPN_IAP_REAL_NETW_REFERENCE,

                         *value,

                         ETrue );

    CleanupStack::PopAndDestroy( value );

    if ( destId )

        {

        CleanupStack::PopAndDestroy( dest );

        }

    // Proxy server address

    AppendSettingTextsL( aItemArray, ECmProxyServerName );

    // Proxy port number

    AppendSettingTextsL( aItemArray, ECmProxyPortNumber );

    }

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

// CmPluginVpnSettingsDlg::RunAdvancedSettingsL

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

//

void CmPluginVpnSettingsDlg::RunAdvancedSettingsL()

    {

    /* empty functionality */

    }

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

// CmPluginVpnSettingsDlg::DynInitMenuPaneL

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

//

void CmPluginVpnSettingsDlg::DynInitMenuPaneL( TInt aResourceId,

                                               CEikMenuPane* aMenuPane )

   {

   if ( aResourceId == R_PLUGIN_BASE_MENU )

        {

        aMenuPane->SetItemDimmed( EPluginBaseCmdAdvanced, ETrue  );           

        }

    }

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

// CmPluginVpnSettingsDlg::ShowPopupSettingPageL

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

//

TBool CmPluginVpnSettingsDlg::ShowPopupSettingPageL( TUint32 aAttribute, 

                                                     TInt aCommandId )

    {

    LOGGER_ENTERFN( "CmPluginVpnSettingsDlg::ShowPopupSettingPageL" );

    TBool retVal = EFalse;

    switch ( aAttribute )

        {

        case EVpnServicePolicyName:        

            {

            CmPluginVpnPolicySelectionDlg* dlg = 

                    CmPluginVpnPolicySelectionDlg::NewL( iCmPluginBaseEng );

            CleanupStack::PushL( dlg );

            retVal = dlg->ShowPolicySelectionDlgL();

            UpdateListBoxContentL();

            CleanupStack::PopAndDestroy();

            break;

            }

        case ECmProxyServerName:

            {

            retVal = ShowPopupTextSettingPageL( aAttribute );

            break;

            }

        case EVpnIapId:

        case ECmNextLayerIapId:

            {

            ShowIapSelectionSettingPageL();

            break;

            }

        case ECmProxyPortNumber:

            {

            HBufC* proxyName = iCmPluginBaseEng.GetStringAttributeL( ECmProxyServerName );

            if( !proxyName )

                {

                break;

                }

            CleanupStack::PushL( proxyName );

            if( proxyName->Length() )

                { // Port number is allowed to set after proxy address is set.

                retVal = ShowPopupPortNumSettingPageL( aAttribute );

                }

            CleanupStack::PopAndDestroy(); // proxyName

            break;

            }

        default:

            {

            CmPluginBaseSettingsDlg::ShowPopupSettingPageL( aAttribute, 

                                                            aCommandId );

            break;

            }

        }

    return retVal;

    }

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

// CmPluginVpnSettingsDlg::ShowIapSelectionSettingPageL

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

//

TBool CmPluginVpnSettingsDlg::ShowIapSelectionSettingPageL()

    {  

    LOGGER_ENTERFN( "CmPluginVpnSettingsDlg::ShowIapSelectionSettingPageL" ); 

    TBool retVal( EFalse );

    CCmConnSettingsUiImpl* settings = 

                                CCmConnSettingsUiImpl::NewL();

    CleanupStack::PushL( settings );

    settings->EnableEasyWlan( ETrue );

    settings->EnableEmptyDestinations( EFalse );

    settings->EnableVirtualCMs( EFalse );

    CCmDestinationImpl* d = iCmPluginBaseEng.ParentDestination();

    if ( d )

        {

        settings->SetDestinationToOmit( d->Id() );

//        settings->EnableUncat( ETrue );

        }

    else

        {

//        settings->EnableUncat( EFalse );

        }

    delete d;

    settings->EnableUncat( ETrue );

    CCmPluginVpn* plugin = static_cast<CCmPluginVpn *>

                    ( &iCmPluginBaseEng );

    RArray<TUint32> cmArray ( KCmArrayMediumGranularity );

    CleanupClosePushL( cmArray );

    plugin->BindableDestinationsL( cmArray );

    settings->SetDestinationArrayToUseL( cmArray );

    TCmSettingSelection selection;

    // Get the underlying CM

    selection.iId = iCmPluginBaseEng.GetIntAttributeL( ECmNextLayerIapId );

    if ( selection.iId )

        {

        selection.iResult = EConnectionMethod;

        }

    // The underlying CM is a destination

    else

        {        

        selection.iResult = EDestination;

        selection.iId = iCmPluginBaseEng.GetIntAttributeL( ECmNextLayerSNAPId );

        }

    TBearerFilterArray aFilterArray;

    if ( settings->RunApplicationSettingsL( selection,

                                            EShowDestinations |

                                            EShowConnectionMethods , 

                                            aFilterArray ) )

        {

        switch ( selection.iResult )

            {

            case EDestination:

                {

                iCmPluginBaseEng.SetIntAttributeL( ECmNextLayerSNAPId, selection.iId );

                break;

                }

            case EConnectionMethod:

                {

                iCmPluginBaseEng.SetIntAttributeL( ECmNextLayerIapId, selection.iId );

                break;

                }

            default:

                {

                User::Leave( KErrNotSupported );

                }

            }

        UpdateListBoxContentL();

        // update the title pane with the new name

        HBufC* newCmName = iCmPluginBaseEng.GetStringAttributeL( ECmName );

        CleanupStack::PushL( newCmName );

        iTitlePane->SetTextL( *newCmName );

        CleanupStack::PopAndDestroy( newCmName );

        retVal = ETrue;

        }

    CleanupStack::PopAndDestroy( &cmArray );

    CleanupStack::PopAndDestroy( settings );

    return retVal;

    }

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

// CmPluginVpnSettingsDlg::ProcessCommandL

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

//

void CmPluginVpnSettingsDlg::ProcessCommandL( TInt aCommandId )

    {

    if ( !iCanEditingContinue )

        {

        // We have to block all editing activity if database changed by

        // other application

        return;

        }

    if ( MenuShowing() )

        {

        HideMenu();

        }

    switch ( aCommandId )

        {

        case EAknSoftkeyOk:

        case EPluginBaseCmdChange:

            {

            ShowPopupSettingPageL( 

                    iSettingIndex->At( iListbox->CurrentItemIndex() ), 

                                        aCommandId );

            break;            

            }

        case EVpnIapId:

        case ECmNextLayerIapId:

        case ECmProxyServerName:

        case ECmProxyPortNumber:

            {

            TInt attrib = iSettingIndex->At( iListbox->CurrentItemIndex() );

            ShowPopupSettingPageL( attrib, aCommandId );  

            break;

            }

        case EVpnServicePolicyName:

            {

            CmPluginVpnPolicySelectionDlg* dlg = 

                    CmPluginVpnPolicySelectionDlg::NewL( iCmPluginBaseEng );

            CleanupStack::PushL( dlg );

            if ( dlg->ShowPolicySelectionDlgL() )

                {

                // update the setting

                UpdateListBoxContentL();

                }

            // we might need to update even if not accepted

            CleanupStack::PopAndDestroy();

            break;

            }

        default:

            {

            CmPluginBaseSettingsDlg::ProcessCommandL( aCommandId );

            break;            

            }

        }

    }

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

// CmPluginVpnSettingsDlg::CompulsoryFilledL

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

//

TBool CmPluginVpnSettingsDlg::CompulsoryFilledL()

    {

    LOGGER_ENTERFN( "CmPluginVpnSettingsDlg::CompulsoryFilledL" );

    TBool retval = ETrue;

    // compulsory settings are ECmName, EVpnIapId, EVpnServicePolicy

    // check name first

    HBufC* name = iCmPluginBaseEng.GetStringAttributeL( ECmName );

    if ( ( name->Compare( KNullDesC() ) ) == 0 )

        {

        retval = EFalse;

        }        

    delete name;

    // check VPN IAP ID

    TUint32 iapid = iCmPluginBaseEng.GetIntAttributeL( EVpnIapId );

    if ( !iapid )

        {

        TUint32 nextiapid = iCmPluginBaseEng.GetIntAttributeL( ECmNextLayerIapId  );

        TUint32 snapid = iCmPluginBaseEng.GetIntAttributeL( ECmNextLayerSNAPId );

        if ( !(nextiapid ^ snapid) )

            {

            retval = EFalse;

            }

        }

    // check policy

    HBufC* polId = iCmPluginBaseEng.GetStringAttributeL( EVpnServicePolicy );

    if ( ( polId->Compare( KNullDesC() ) ) == 0 )

        {

        retval = EFalse;

        }

    delete polId;

    // check policy name

    HBufC* polname = iCmPluginBaseEng.GetStringAttributeL( EVpnServicePolicyName );

    if ( ( polname->Compare( KNullDesC() ) ) == 0 )

        {

        retval = EFalse;

        }

    delete polname;

    return retval;

    }

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

// CmPluginVpnSettingsDlg::OkToExitL

// Good to know : EAknSoftkeyCancel is never called, because

// EEikDialogFlagNotifyEsc flag is not set in the resource.

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

//

TBool CmPluginVpnSettingsDlg::OkToExitL( TInt aButtonId )

    {

    // Database has been changed by other application so exit from this view

    // without update editings to database

    if ( !iCanEditingContinue )

        {

        if ( iExitReason == KDialogUserExit )

            {

            iCmPluginBaseEng.CmMgr().WatcherUnRegister();

            // Set iExitReason back to KDialogUserBack so as to exit from this view through else in the next call

            TInt exitValue = KDialogUserExit;

            iExitReason = KDialogUserBack;

            // If destination has been deleted by other application

            // then we may have to exit from Cmmgr

            TryExitL( exitValue );

            return EFalse;

            }

        else

            {

            // Exit from this view here to avoid possible update to databse

            return ETrue;

            }

        }

    // Translate the button presses into commands for the appui & current

    // view to handle

    TBool retval( EFalse );

    switch ( aButtonId )

        {

        case EAknSoftkeyBack:

            {

            if ( CompulsoryFilledL() )

                {

                if( iIsPossibleToSaveSetting && iHasSettingChanged )

                {

                    iCmPluginBaseEng.UpdateL();

                    iHasSettingChanged = EFalse;

                }

                retval = ETrue;

                iCmPluginBaseEng.CmMgr().WatcherUnRegister();

                }

            else

                {