/*

* 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:  Source file for SUPL Settings UI view

*

*/

// System Include

#include <barsread.h> 		                // For TResourceReader

#include <bautils.h>

#include <StringLoader.h>

#include <aknViewAppUi.h>

#include <locsuplsettingsui.rsg>

#include <avkon.rsg>

#include <hlplch.h>			                // Help

#include <featmgr.h> 						// FeatureManager

#include <eikmenup.h>						// Menu pane

#include <eikmenub.h>						// Menu Bar

#include <AknQueryDialog.h> 

// User Include

#include "locsuplsettings.hrh"

#include "locsuplsettingsview.h"

#include "locsuplsettingscontainer.h"

#include "locsettingsui.h"

#include "locsupldebug.h"

#include "locsuplserverview.h"

#include "locsuplsessionview.h"

#include "locsuplsettingsuiengine.h"

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

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

// CLocSUPLSettingsView::CLocSUPLSettingsView

// Overloaded Constructor

//

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

//	

CLocSUPLSettingsView::CLocSUPLSettingsView( 

                              CLocSUPLSettingsUiEngine&     aEngine,

		 					  MLocSUPLSettingsEventHandler&	aEventHandler )

	:iEventHandler( aEventHandler ),

	iEngine( aEngine ) 

	{

	}

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

// CLocSUPLSettingsView::~CLocSUPLSettingsView

// Destructor

//

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

//

CLocSUPLSettingsView::~CLocSUPLSettingsView()

	{

	DEBUG( + CLocSUPLSettingsView::~CLocSUPLSettingsView );	

    if ( iContainer )

        {

        AppUi()->RemoveFromViewStack( *this, iContainer );

        }

    delete iContainer;

    iContainer = NULL;

	DEBUG( - CLocSUPLSettingsView::~CLocSUPLSettingsView );	

	}

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

// CLocSUPLSettingsView* CLocSUPLSettingsView::NewL

// Creates new Location Sys Ui plugin.

//

// @param aEngine               Reference to the SUPL Settings

//                              engine          

// @param aEventHandler		    Pointer to the Event Handler

// @return CAknViewAppUi&		Reference to the application view

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

//    

CLocSUPLSettingsView* CLocSUPLSettingsView::NewL( 

                              CLocSUPLSettingsUiEngine&     aEngine,

		 					  MLocSUPLSettingsEventHandler&	aEventHandler )

	{	

	DEBUG( + CLocSUPLSettingsView::NewL );	

    CLocSUPLSettingsView* self = NewLC( aEngine, aEventHandler );

	CleanupStack::Pop( self );

	DEBUG( - CLocSUPLSettingsView::NewL );	

	return self;

	}

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

// CLocSUPLSettingsView* CLocSUPLSettingsView::NewLC

// Creates new Location Sys Ui plugin.

//

// @param aEngine               Reference to the SUPL Settings

//                              engine          

// @param aEventHandler		    Pointer to the Event Handler

// @return CAknViewAppUi&		Reference to the application view

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

//    

CLocSUPLSettingsView* CLocSUPLSettingsView::NewLC( 

                              CLocSUPLSettingsUiEngine&     aEngine,

		 					  MLocSUPLSettingsEventHandler&	aEventHandler )

	{	

    CLocSUPLSettingsView* self = 

                new( ELeave ) CLocSUPLSettingsView( aEngine,                          

    										        aEventHandler );

	CleanupStack::PushL(self);

	self->ConstructL();

	return self;

	}

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

// void CLocSUPLSettingsView::ConstructL

// Second Phase Constructor

//

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

//

void CLocSUPLSettingsView::ConstructL()

	{   	

	DEBUG( + CLocSUPLSettingsView::ConstructL );	

	// Call AknView's BaseConstrutL

	BaseConstructL( R_SUPLSETTINGS_VIEW );	 

	DEBUG( - CLocSUPLSettingsView::ConstructL );	

	}

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

// CLocSUPLSettingsView::HandleScreenSizeChange

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

//

void CLocSUPLSettingsView::HandleScreenSizeChange() 

	{

	DEBUG( + CLocSUPLSettingsView::HandleScreenSizeChange );	

	if( iContainer )

		{

		iContainer->SetRect( ClientRect());		

		}

	DEBUG( - CLocSUPLSettingsView::HandleScreenSizeChange );	

	}

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

// CLocSUPLSettingsView::UpdateView

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

//	

void CLocSUPLSettingsView::UpdateView()

    {

	DEBUG( + CLocSUPLSettingsView::UpdateView );	

    if( iContainer )

		{

		iContainer->UpdateScreen();		

		}

	  TRAP_IGNORE( ChangeMSKL() );		

	DEBUG( - CLocSUPLSettingsView::UpdateView );	

    }

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

// CLocSUPLSettingsView::StartedFromAppServer

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

//

void CLocSUPLSettingsView::StartedFromAppServer()

    {

	DEBUG( + CLocSUPLSettingsView::StartedFromAppServer );	

    iStartedFromServer = ETrue;

	DEBUG( - CLocSUPLSettingsView::StartedFromAppServer );	

    }

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

// CLocSUPLSettingsView::SwitchedFromServerView

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

//

void CLocSUPLSettingsView::Reset()

    {

	DEBUG( + CLocSUPLSettingsView::Reset );	

    iViewLaunched = 0;

    StopDisplayingMenuBar();

	DEBUG( - CLocSUPLSettingsView::Reset );	

    }

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

// TInt CLocSUPLSettingsView::SelectedItemIndex

// Returns the Selected element. The list box model defines the enumeration that

// would determine the current element that has been selected

//

// @return TInt Index of the item selected

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

//

TInt CLocSUPLSettingsView::SelectedItemIndex()

    {

	DEBUG( CLocSUPLSettingsView::SelectedItemIndex );	

    if( iContainer )

        {

        DEBUG1( CLocSUPLSettingsView::SelectedItemIndex =%d, iContainer->SelectedItemIndex() );	

        return iContainer->SelectedItemIndex();

        }

    else

        {

        return KErrNotFound;

        }	

    }    

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

// void CLocSUPLSettingsView::DoActivateL

// 

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

//

void CLocSUPLSettingsView::DoActivateL( const TVwsViewId& 	/* PrevViewId*/,

											   TUid		   	/* aCustomMessageId*/,

						  				 const TDesC8&		/* aCustomMessage */)

	{

	DEBUG( + CLocSUPLSettingsView::DoActivateL );	

	// Destroy the existing container

	if( iContainer )

        {

        AppUi()->RemoveFromViewStack( *this, iContainer );

        delete iContainer;

        iContainer=NULL;

        }						

    // Create new Container	

	iContainer = CLocSUPLSettingsContainer::NewL( ClientRect(), 

	                                              iEngine,

	                                              *this );

	iContainer->SetMopParent( this );

	AppUi()->AddToViewStackL( *this, iContainer );

	if ( iStartedFromServer )

	    {

	    MenuBar()->SetMenuType( CEikMenuBar::EMenuOptionsNoTaskSwapper );

	    }

	if( iViewLaunched )

        {

        iContainer->FocusToItemL(	iViewLaunched );

        iViewLaunched = 0;

        }

	iContainer->DrawNow();

	ChangeMSKL();

	DEBUG( - CLocSUPLSettingsView::DoActivateL );	

	}

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

// void CLocationSystemUiView::DoDeactivate

//

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

//		

void CLocSUPLSettingsView::DoDeactivate()

	{

	DEBUG( + CLocSUPLSettingsView::DoDeactivate );	

	// Destroy Container

	if ( iContainer )

        {

        AppUi()->RemoveFromViewStack( *this, iContainer );

        delete iContainer;

        iContainer = NULL;

        }

	DEBUG( - CLocSUPLSettingsView::DoDeactivate );	

	}

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

// TUid CLocSUPLSettingsView::Id

// Returns the View Id. Should be chosen to reflect the Implementation UID 

// of the Plugin

//

// @return TUid The View Id

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

//	

TUid CLocSUPLSettingsView::Id() const

	{

	return KLocSUPLSettingsUiViewId;

	}

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

// void CLocSUPLSettingsView::HandleCommandL

//

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

//	

void CLocSUPLSettingsView::HandleCommandL(TInt aCommand)	

	{

	DEBUG( + CLocSUPLSettingsView::HandleCommandL );	

	switch ( aCommand )

        {

		case ELocSuplOpenChange:

			{

			ChangeMSKL();

			break;

			}        

    	case ELocSuplOpen:

    	case ELocSuplMSKOpen:

            {

            TInt index = SelectedItemIndex();

            switch( index )

    	    {

             default:

			    break; 

            }

            break;   

            } 

        case ELocSuplClearSession:

        case ELocSuplClearSessions:

            {

			if( iContainer->ActiveSessionCount() && DeletionConfirmationQueryL() )

				{

	            TRAP_IGNORE( iEngine.RemoveAllTriggerSessionsL( ) ); 

	            ChangeMSKL();  

				}

            break;    

            }

		case ELocSuplMSKNo:

			{

			break;

			}

        case EAknCmdHelp:

        	{

           	HlpLauncher::LaunchHelpApplicationL( iCoeEnv->WsSession(),

           										 AppUi()->AppHelpContextL());

        	break;	

        	}

        case EAknCmdExit:

        case EEikCmdExit:

            {

            // The Exit command has to be transferred back to the application

            iEventHandler.HandleCommandL( EEikCmdExit );

            break;    

            }

        case EAknSoftkeyBack:

            {

            // Back command is left to the Settings UI which is the command handler 

            // in this case to handle

            iEventHandler.HandleCommandL( EAknSoftkeyBack );

            break;    

            }

        default:

    	    {

    	    // View Switiching, View closure and other external

    	    // view related and AppUi related commands

    	    iEventHandler.HandleCommandL( aCommand );

            break;	

    	    }

        }

	DEBUG( - CLocSUPLSettingsView::HandleCommandL );	

	}

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

// CLocSUPLSettingsView::ChangeMSKL

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

//

void CLocSUPLSettingsView::ChangeMSKL() 

	{

	DEBUG( + CLocSUPLSettingsView::ChangeMSKL );	

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

    if( !Cba() || !iContainer )

	    {

	   	return;

	    }

    TInt index = SelectedItemIndex();

	TInt sessionCount = iContainer->ActiveSessionCount();

    switch( index )

    	{

		case 0:

			{

			TRAP_IGNORE( 

				Cba()->SetCommandSetL ( R_SUPLSETTINGS_OPTIONS_CHANGE_BACK ) ); 

			break;

			}

		case 1:

			{

			TRAP_IGNORE( 

				Cba()->SetCommandSetL ( R_SUPLSETTINGS_OPTIONS_OPEN_BACK ) ); 

			break;

			}

		default:

			{

			if( sessionCount )

				{

				TRAP_IGNORE( 

					Cba()->SetCommandSetL ( R_SUPLSETTINGS_OPTIONS_OPEN_BACK ) ); 

				}

			else

				{

				TRAP_IGNORE( 

					Cba()->SetCommandSetL ( R_SUPLSETTINGS_OPTIONS_NOMSK_BACK ) ); 

				}

			break;

			}   		

    	}    	

	Cba()->DrawDeferred();  	

	DEBUG( - CLocSUPLSettingsView::ChangeMSKL );	

	}

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

// CLocSUPLSettingsView::DynInitMenuPaneL

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

void CLocSUPLSettingsView::DynInitMenuPaneL( TInt          aResourceId, 

                                             CEikMenuPane* aMenuPane )

    {

	DEBUG( + CLocSUPLSettingsView::DynInitMenuPaneL );	

    if ( aResourceId == R_SUPLSETTINGS_MENU )

        {

        User::LeaveIfNull( aMenuPane );

        //Handle Help Fature

        HandleHelpFeature( *aMenuPane );

        //Disable Open/Change/Clear sessions options

		switch( SelectedItemIndex() )

			{

			case 0:

				{

	        	aMenuPane->SetItemDimmed( ELocSuplClearSession, ETrue );

	        	aMenuPane->SetItemDimmed( ELocSuplClearSessions, ETrue );

				break;

				}

			case 1:

				{

				TInt sessionCount = iContainer->ActiveSessionCount();

				switch( sessionCount )

					{

					case 0:

						{

	        			aMenuPane->SetItemDimmed( ELocSuplClearSession, ETrue );

	        			aMenuPane->SetItemDimmed( ELocSuplClearSessions, ETrue );

					break;

						}

					case 1:

						{

	        			aMenuPane->SetItemDimmed( ELocSuplClearSession, EFalse );

					aMenuPane->SetItemSpecific(ELocSuplClearSession, ETrue);

	        			aMenuPane->SetItemDimmed( ELocSuplClearSessions, ETrue );

						break;

						}

					default:

						{

		        		aMenuPane->SetItemDimmed( ELocSuplClearSession, ETrue );

		        		aMenuPane->SetItemDimmed( ELocSuplClearSessions, EFalse );

					aMenuPane->SetItemSpecific(ELocSuplClearSessions, ETrue);

						break;

						}

					}

				break;

				}

			 default:

			    break;

			}

        //Context sensitive menu items

        }

	DEBUG( - CLocSUPLSettingsView::DynInitMenuPaneL );	

    }

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

// CLocSUPLSettingsView::HandleHelpFeature

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

void CLocSUPLSettingsView::HandleHelpFeature( CEikMenuPane& aMenuPane ) const

    {

	DEBUG( + CLocSUPLSettingsView::HandleHelpFeature );	

    if ( FeatureManager::FeatureSupported( KFeatureIdHelp ))

        {

        aMenuPane.SetItemDimmed( EAknCmdHelp, EFalse );

        }

    else

        {

        aMenuPane.SetItemDimmed( EAknCmdHelp, ETrue );

        }

	DEBUG( - CLocSUPLSettingsView::HandleHelpFeature );	

    }

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

// CLocSUPLSettingsView::DeletionConfirmationQueryL

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

//

TInt CLocSUPLSettingsView::DeletionConfirmationQueryL( )

    {