/*

* Copyright (c) 2003 - 2010 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:   VPN management main view

*

*/

// INCLUDE FILES

#include <aknnotewrappers.h> // for warning & information notes

#include <AknWaitDialog.h>

#include <cmmanagerext.h>

#include <cmdestinationext.h>

#include <cmpluginvpndef.h>

#include <cmapplicationsettingsui.h>

#include <commdb.h>

#include <sysutil.h>

#include <ErrorUI.h>

#include <bautils.h>

#include <e32def.h>

#include <vpnmanagementuirsc.rsg>

#include "vpnuiloader.h"

#include "vpnmanagementuiview.h"

#include "vpnmanagementuipolicyview.h"

#include "vpnmanagementuiserverview.h"

#include "vpnmanagementuilogview.h"

#include "vpnmanagementuiserversettingsview.h"

#include "version.h"

#include "vpnmanagementuiserversettingscontainer.h"

#include "log_vpnmanagementui.h"

// CONSTANTS

using namespace CMManager;

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

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

// CVpnUiLoader::CVpnUiLoader()

// Constructor with parent

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

//

CVpnUiLoader::CVpnUiLoader( CVpnManagementUiView* aUiView ):

    iVpnManagementUiView(aUiView),

    iResourceLoader(*iCoeEnv)

    {

    LOG_("CVpnUiLoader::CVpnUiLoader()");

    ASSERT( aUiView );

    }

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

// CVpnUiLoader::~CVpnUiLoader()

// Destructor

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

//

CVpnUiLoader::~CVpnUiLoader()

    {

    LOG_("CVpnUiLoader::~CVpnUiLoader()");

    iVpnManagementUiView = NULL;

    if(iVersionInfoInNaviPane)

        {

        delete iVersionInfoInNaviPane; 

        }

    delete iVpnApiWrapper;

    delete iWaitDialog;

	iResourceLoader.Close();

    }

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

// CVpnUiLoader* CVpnUiLoader::NewL()

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

//

CVpnUiLoader* CVpnUiLoader::NewL(

    const TRect& aRect, TUid aViewId,

    CVpnManagementUiView* aUiView )

    {

    CVpnUiLoader* self = NewLC( aRect, aViewId, aUiView );

    CleanupStack::Pop();

    return self;

    }

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

// CVpnUiLoader* CVpnUiLoader::NewLC()

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

//

CVpnUiLoader* CVpnUiLoader::NewLC(

    const TRect& aRect, TUid aViewId,

    CVpnManagementUiView* aUiView )

    {

    CVpnUiLoader* self = new ( ELeave ) CVpnUiLoader( aUiView );

    CleanupStack::PushL( self );

    self->ConstructL( aRect, aViewId );

    return self;

    }

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

// CVpnUiLoader::ConstructL()

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

//

void CVpnUiLoader::ConstructL( const TRect& aRect, TUid aViewId )

    {

    LOG_("CVpnUiLoader::ConstructL() - begin");

    AddResourceFileL();

    //Initialization

    iBackFromServerDefinition = EFalse;

    iNewServerDefinition = EFalse;

    iPolicyUpdate = EFalse;

    CEikStatusPane* statusPane = STATIC_CAST(

        CAknAppUi*, iEikonEnv->EikAppUi())->StatusPane();

    // Fetch pointer to the default navi pane control

    iNaviPane =  static_cast<CAknNavigationControlContainer*> (

        statusPane->ControlL( TUid::Uid(EEikStatusPaneUidNavi) ) );

	iPreviousAppViewId = aViewId;

	CreateWindowL();

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

	SetRect(aRect);

    LOG(Log::Printf(_L("CVpnUiLoader::ConstructL() - end\n")));

    }

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

// CVpnUiLoader::FocusChanged(TDrawNow aDrawNow)

// Added here because FocusChanged need to be included

// in every control derived from CCoeControl that can have listbox 

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

//

void CVpnUiLoader::FocusChanged(TDrawNow aDrawNow)

	{

	if (iListBox) 

		{

		iListBox->SetFocus(IsFocused(), aDrawNow);

		}

	}

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

// CVpnUiLoader::ChangeViewL(TInt aNewTab, TInt aSelectionIndex)

// Called when the view tab is changed

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

//

void CVpnUiLoader::ChangeViewL(TInt aNewTab, TInt aSelectionIndex)

    {

    LOG_1("CVpnUiLoader::ChangeViewL():%d", aNewTab);

	switch (aNewTab)

		{

		case KChangeViewPrevious:

            {

            TVwsViewId currentViewId;

            ((CAknViewAppUi*)iAvkonAppUi)->GetActiveViewId(currentViewId);

            if(iPreviousViewId == currentViewId.iViewUid)

                {

                ((CAknViewAppUi*)iAvkonAppUi)->RegisterViewL(*iVpnManagementUiView);

				((CAknViewAppUi*)iAvkonAppUi)->ActivateLocalViewL( KVpnManagementPluginUid );

                }

            else

                {

                ((CAknViewAppUi*)iAvkonAppUi)->RegisterViewL(*iVpnManagementUiView);

				((CAknViewAppUi*)iAvkonAppUi)->ActivateLocalViewL( 

                iPreviousViewId );

                }

			break;

            }

		case KChangeViewBack:

		    ((CAknViewAppUi*)iAvkonAppUi)->RemoveView(KVpnManagementUiPolicyViewId);

		    iPolicyViewVisited = EFalse;

			((CAknViewAppUi*)iAvkonAppUi)->RemoveView(KVpnManagementUiLogViewId);

			iLogViewVisited = EFalse;

			((CAknViewAppUi*)iAvkonAppUi)->RemoveView(KVpnManagementUiParametersViewId);

			iServerSettingsViewVisited = EFalse;

			((CAknViewAppUi*)iAvkonAppUi)->RemoveView(KVpnManagementUiServerViewId);

			iServerViewVisited = EFalse;

			((CAknViewAppUi*)iAvkonAppUi)->ActivateLocalViewL( iGsViewId.iViewUid );

            if(iObserver)

                {

                iObserver->UiComplete(KUirEventNone);

                }

			break;

		case KChangeViewPolicy: //Policy view

            {

            // the current view is saved so we 

            // know where to come back

            TVwsViewId localCurrentViewId;

			((CAknViewAppUi*)iAvkonAppUi)->GetActiveViewId( 

                localCurrentViewId );

			iPreviousViewId = localCurrentViewId.iViewUid;

			if ( iPolicyViewVisited == EFalse)

			    {

                TRect rect;

                iVpnManagementUiPolicyView = CVpnManagementUiPolicyView::NewL( 

		            rect, *this);

			    ((CAknViewAppUi*)iAvkonAppUi)->AddViewL(iVpnManagementUiPolicyView);

			    }

			iPolicyViewVisited=ETrue;

			((CAknViewAppUi*)iAvkonAppUi)->ActivateLocalViewL(

                  KVpnManagementUiPolicyViewId );

			break;

            }

		case KChangeViewServer:  //Policy server view  

            {

            // the current view is saved so we 

            // know where to come back

            TVwsViewId localCurrentViewId;

			((CAknViewAppUi*)iAvkonAppUi)->GetActiveViewId( 

                localCurrentViewId );

			iPreviousViewId = localCurrentViewId.iViewUid;

			if ( iServerViewVisited == EFalse)

			    {

			    TRect rect;

			    iVpnManagementUiServerView = CVpnManagementUiServerView::NewL( rect, *this);

			    ((CAknViewAppUi*)iAvkonAppUi)->AddViewL(iVpnManagementUiServerView);

			    } 

			iServerViewVisited = ETrue;

			((CAknViewAppUi*)iAvkonAppUi)->ActivateLocalViewL( 

                  KVpnManagementUiServerViewId ); 

			break;

            }

        case KChangeViewLog: //Log view

            {

            // the current view is saved so we 

            // know where to come back

            TVwsViewId localCurrentViewId;

			((CAknViewAppUi*)iAvkonAppUi)->GetActiveViewId( 

                localCurrentViewId );

			iPreviousViewId = localCurrentViewId.iViewUid;

			if ( iLogViewVisited == EFalse)

			    {

                TRect rect;

                iVpnManagementUiLogView = CVpnManagementUiLogView::NewL( rect, *this);

			    ((CAknViewAppUi*)iAvkonAppUi)->AddViewL(iVpnManagementUiLogView);

			    }

			iLogViewVisited=ETrue;

			((CAknViewAppUi*)iAvkonAppUi)->ActivateLocalViewL(

                  KVpnManagementUiLogViewId );

            break;

			}

        case KChangeViewSettings: //VPN policy server parameters view

			{

			// the current view is saved so that close settings 

            // knows where to come back

			TVwsViewId localCurrentViewId;

			((CAknViewAppUi*)iAvkonAppUi)->GetActiveViewId( 

                localCurrentViewId );

			iPreviousViewId = localCurrentViewId.iViewUid;

            //Put selected server to CustomMessageId

			if ( iServerSettingsViewVisited == EFalse)

			   {

			    TRect rect;

			    iVpnManagementUiParametersView = CServerSettingsView::NewL( rect, *this);

			    ((CAknViewAppUi*)iAvkonAppUi)->AddViewL(iVpnManagementUiParametersView);

			   }

			iServerSettingsViewVisited = ETrue;

			((CAknViewAppUi*)iAvkonAppUi)->ActivateLocalViewL(

                  KVpnManagementUiParametersViewId,

                TUid::Uid( aSelectionIndex), KNullDesC8 );

			break;

			}

		default:

			break;	

		}

    }

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

// CVpnUiLoader::ActivateTitleL(TInt aCurrentTitle)

// Activates the VPN policies, VPN policy servers and

// VPN log views title

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

//

void CVpnUiLoader::ActivateTitleL(TInt aCurrentTitle)

    {

	CEikStatusPane* sp = STATIC_CAST( 

        CAknAppUi*, iEikonEnv->EikAppUi())->StatusPane();

	// Fetch pointer to the default title pane control

	CAknTitlePane* title = STATIC_CAST( 

        CAknTitlePane*, sp->ControlL(TUid::Uid(EEikStatusPaneUidTitle)) );

	TResourceReader reader;

    if ( aCurrentTitle == KViewTitleManagementView )

	    {

		iCoeEnv->CreateResourceReaderLC( reader, R_VPN_MANAGEMENT_TITLE );

		}

	if ( aCurrentTitle == KViewTitlePolicyView )

		{

		iCoeEnv->CreateResourceReaderLC( reader, R_VPN_POLICIES_TITLE );

		}

    if ( aCurrentTitle == KViewTitleServerView )

		{

		iCoeEnv->CreateResourceReaderLC( reader, R_VPN_POLICY_SERVERS_TITLE );

		}

    if ( aCurrentTitle == KViewTitleLogView )

		{

		iCoeEnv->CreateResourceReaderLC( reader, R_VPN_LOG_TITLE );

		}

	title->SetFromResourceL( reader );

	CleanupStack::PopAndDestroy();  // reader

    }

void CVpnUiLoader::ActivateTitleL(TInt aCurrentTitle, TDes& aText)

    {

	CEikStatusPane* sp = STATIC_CAST( 

        CAknAppUi*, iEikonEnv->EikAppUi())->StatusPane();

	// Fetch pointer to the default title pane control

	CAknTitlePane* title = STATIC_CAST( 

        CAknTitlePane*, sp->ControlL(TUid::Uid(EEikStatusPaneUidTitle)) );

    if ( aCurrentTitle == KViewTitleParametersView )

        {

        title->SetTextL(aText);

        }

    }

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

// CVpnUiLoader::ActivateNaviTextL()

// Activates the VPN log view Navipane text (Version information)

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

//

void CVpnUiLoader::ActivateNaviTextL()

    {

  	// version information in navi pane text shown in VPN Log view

    //TBuf<KVersionLine> version(KVersion);

    HBufC* naviText = StringLoader::LoadLC( 

        R_VPN_NAVI_CLIENT_VERSION, KVersion/*version*/ );

    TPtr naviDes=naviText->Des();

    AknTextUtils::DisplayTextLanguageSpecificNumberConversion(naviDes);

    iVersionInfoInNaviPane = iNaviPane->CreateMessageLabelL(*naviText);

    CleanupStack::PopAndDestroy(); //naviText

    }

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

// CVpnUiLoader::PushNaviPaneL

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

//

void CVpnUiLoader::PushNaviPaneL()

    {

    iNaviPane->PushL( *iVersionInfoInNaviPane );

    }

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

// CVpnUiLoader::PopNaviPane

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

//

void CVpnUiLoader::PopNaviPane()

    {

    if(iVersionInfoInNaviPane)

        {

        delete iVersionInfoInNaviPane; //A control is popped from stack

        iVersionInfoInNaviPane = NULL;

        }

    }

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

// CVpnUiLoader::PushDefaultNaviPaneL

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

//

void CVpnUiLoader::PushDefaultNaviPaneL()

    {

    iNaviPane->PushDefaultL();

    }

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

// CVpnUiLoader::HandleControlEventL(

//      CCoeControl* /*aControl*/,TCoeEvent /*aEventType*/)

// Cannot be changed to non-leaving function. 

// L-function is required by the class definition, even if empty.

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

//

void CVpnUiLoader::HandleControlEventL(

    CCoeControl* /*aControl*/,TCoeEvent /*aEventType*/)

    {

    }

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

// CVpnUiLoader::OfferKeyEventL()

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

//

TKeyResponse CVpnUiLoader::OfferKeyEventL(

    const TKeyEvent& /*aKeyEvent*/, TEventCode /*aType*/)

	{

	// Listbox takes all event even if it doesn't use them

	return EKeyWasNotConsumed; 

	}

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

// AddResourceFileL()

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

//

void CVpnUiLoader::AddResourceFileL(TBool aKeepOpen)

	{

	if (!iKeepOpen)

	    {

    	iKeepOpen = aKeepOpen;    

        _LIT(KResourceFile, "\\resource\\vpnmanagementuirsc.rsc");	

	TFileName resourceFileName(KResourceFile);

    TFileName dllName;

    Dll::FileName(dllName);

    TBuf<2> drive = dllName.Left(2);

    resourceFileName.Insert(0, drive);

    // To enable loading of e.g. vpnmanagementuirsc.r**

    BaflUtils::NearestLanguageFile(iCoeEnv->FsSession(), resourceFileName);

	iResourceLoader.OpenL(resourceFileName);

        LOG_("CVpnUiLoader::AddResourceFileL(");

	    }

	}

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

// ReleaseResource()

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

//

void CVpnUiLoader::ReleaseResource(TBool aForceClose)

    {

    if(!iKeepOpen || aForceClose) 

        {

        LOG_("CVpnUiLoader::ReleaseResource()");

        iKeepOpen = EFalse;

        iResourceLoader.Close();

        }

    }	

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

// CVpnUiLoader::DialogDismissedL

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

//

void CVpnUiLoader::DialogDismissedL( TInt /*aButtonId*/ )

    {

    // The UI is left in an inactive state if the progress dialog is cancelled

    // very quickly. Thus, we ensure that the UI ends up in an active

    // state by activating the view that should be active.

    TVwsViewId activeViewId;

    ((CAknViewAppUi*)iAvkonAppUi)->GetActiveViewId(activeViewId);

    ((CAknViewAppUi*)iAvkonAppUi)->ActivateLocalViewL(activeViewId.iViewUid);

    if ( !iShowWaitNote )

        {

        iVpnApiWrapper->CancelSynchronise( );

        }

    }

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

// CVpnUiLoader::ShowWaitNoteL

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

//

void CVpnUiLoader::ShowWaitNoteL()

    {

    // Initialization (before the progress dialog is shown)

    iWaitNoteStartTime.UniversalTime();

    if ( iWaitDialog )

        {

        delete iWaitDialog;

        iWaitDialog = NULL;

        }

    iWaitDialog = new ( ELeave ) CAknWaitDialog

                ( REINTERPRET_CAST(CEikDialog**,&iWaitDialog),ETrue );

    iWaitDialog->PrepareLC( R_VPN_WAIT_NOTE );

    iWaitDialog->SetTone( CAknNoteDialog::ENoTone );

    iWaitDialog->SetCallback( this );

    SetTextL();

    iWaitDialog->RunLD();

    iWaitDialog->DrawNow();

    }

void CVpnUiLoader::DeleteWaitNoteL()

    {

    TInt error;

    // Dismiss wait dialog

    TRAP(error, iWaitDialog->ProcessFinishedL()); // deletes the wait dialog

    if (error != KErrNone)

        {

        // on error destroy wait note by force.

        delete iWaitDialog;

        }

    iWaitDialog = NULL;

    iShowWaitNote = EFalse;

    }

void CVpnUiLoader::SetTextL()

    {

	LOG(Log::Printf(_L("CVpnUiLoader::SetTextL()\n")));

        HBufC* string = StringLoader::LoadLC( R_VPN_WAIT_IMPORTING_POLICY );

        iWaitDialog->SetTextL( *string ); 

        CleanupStack::PopAndDestroy( string );

    }

void CVpnUiLoader::GetSelectionNameL( TDes& aText )

    {

    TCmSettingSelection selection = TCmSettingSelection();

    //Reset update operation for Connecting via note

    iPolicyUpdate = EFalse;

    HBufC* name = NULL;

    TInt err = KErrNone;    

	if ( selection.iResult ==  EDestination )

		{

		TRAP( err, (name = CServerSettingsContainer::GetDestinationNameL( selection.iId )));

		}