/*

* Copyright (c) 2007 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:  View class for Location Centre Application UI.

*

*/

// SYSTEM INCLUDES

#include <lcapp.rsg>

#include <hlplch.h>

#include <featmgr.h>

#include <eikmenup.h>

#include <eikbtgpc.h>

// USER INCLUDES

#include "lcview.h"

#include "lccontainer.h"

#include "lcappui.h"

#include "lclistboxmodel.h"

#include "lcapp.hrh"

// CONSTANT DEFINTIONS

const TUid	KLcViewId = TUid::Uid( 1 );

// ----------------- Member funtions for CLcView class -----------------------

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

// CLcView::CLcView

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

//  

CLcView::CLcView( MLcEventHandler&	aEventHandler,

				  CLcListBoxModel&	aListBoxModel  )

	:iEventHandler( aEventHandler ),

	iListBoxModel( &aListBoxModel )

    {

    }

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

// CLcView::~CLcView

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

//  

CLcView::~CLcView()

    {

    if ( iContainer )

        {

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

        }

    delete iContainer;

    FeatureManager::UnInitializeLib();

    }

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

// CLcView* CLcView::NewL

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

//        

CLcView* CLcView::NewL( MLcEventHandler&	aEventHandler,

						CLcListBoxModel&	aListBoxModel )

    {   

    CLcView* self = CLcView::NewLC( aEventHandler, aListBoxModel );

    CleanupStack::Pop(self);

    return self;

    }

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

// CLcView* CLcView::NewLC

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

//   

CLcView* CLcView::NewLC( MLcEventHandler&	aEventHandler,

						 CLcListBoxModel&	aListBoxModel )

    {   

    CLcView* self = new ( ELeave ) CLcView( aEventHandler, aListBoxModel );

    CleanupStack::PushL(self);

    self->ConstructL();

    return self;

    }

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

// void CLcView::ConstructL

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

//  

void CLcView::ConstructL()

    {

    BaseConstructL( R_LC_VIEW );

    // Feature manager required for Help feature check

    FeatureManager::InitializeLibL();

    }

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

// void CLcView::ScreenSizeChanged

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

//  

void CLcView::ScreenSizeChanged()

	{

	// Request the Client container to change its rect to a new Rect

	if( iContainer )

        {

        iContainer->SetRect( ClientRect());     

        }	

	}

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

// void CLcView::UpdateL

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

//  

void CLcView::UpdateL( CLcListBoxModel&	aListBoxModel )

	{

    // Set the new List box model.

    iListBoxModel = &aListBoxModel;

    // Now update the contaier.

    if (iContainer)

        {

        iContainer->UpdateL(*iListBoxModel);

        }

    if (iListBoxModel->MdcaCount())

        {

        if (Cba())

            {

            Cba()->SetCommandSetL(R_LC_CBA);

            }

        }

    else

        {

        if (Cba())

            {

            Cba()->SetCommandSetL(R_LC_CBA_EMPTY);

            }

        }

    }

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

// void CLcView::UpdateIconsL

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

//  	

void CLcView::UpdateIconsL()

	{

	if ( iContainer )

		{

		iContainer->UpdateIconsL();

		}

	iContainer->DrawDeferred();

	}

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

// TInt CLcView::GetFocussedItem

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

//	

TInt CLcView::GetFocussedItem()

	{

	if ( iContainer )

		{

		return iContainer->GetFocussedItem();

		}

	else

		{

		return KErrNotFound;

		}

	}

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

// void CLcView::DoActivateL

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

//  	

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

                                 TUid         /* aCustomMessageId*/,

                           const TDesC8&      /* aCustomMessage */)

    {

    // Destroy the existing container if it exists

    if( iContainer )

        {

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

        delete iContainer;

        iContainer=NULL;

        }                       

    // Create new Container 

    iContainer = CLcContainer::NewL( ClientRect(), iEventHandler, *iListBoxModel );

    iContainer->SetMopParent( this );

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

    if( iListBoxModel->MdcaCount())

    	{

    	Cba()->SetCommandSetL( R_LC_CBA );

    	}

	else

		{

    	Cba()->SetCommandSetL( R_LC_CBA_EMPTY );		

		}    	

    }

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

// void CLcView::DoDeactivate

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

//           

void CLcView::DoDeactivate()

    {

    // Destroy Container

    if ( iContainer )

        {

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

        delete iContainer;

        iContainer = NULL;

        }

    }

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

// TUid CLcView::Id

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

//   

TUid CLcView::Id() const

    {

    return KLcViewId;

    }

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

// void CLcView::HandleCommandL

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

//       

void CLcView::HandleCommandL( TInt aCommand )   

    {

    // This Class only handles the Help feature. All the other events are handled

    // by the App UI class.

    switch( aCommand )

    	{

    	case EAknCmdHelp:

            {

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

                                                 AppUi()->AppHelpContextL());

            break;  

            }

        default:

        	{

			AppUi()->HandleCommandL( aCommand );

			break;        	

        	}

    	}

    }

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

// void CLcView::DynInitMenuPaneL

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

//  

void CLcView::DynInitMenuPaneL( TInt          aResourceId, 

                                CEikMenuPane* aMenuPane )

    {

    if ( aResourceId == R_LC_MENU )

        {

        HandleHelpFeature( *aMenuPane );

	    if( iListBoxModel->MdcaCount())

	    	{

	    	aMenuPane->SetItemDimmed( ELcOpen, EFalse );					

			}

		else

	    	{

	    	aMenuPane->SetItemDimmed( ELcOpen, ETrue );					

			}		

        }

    }

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

// void CLcView::HandleHelpFeature

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

//      

void CLcView::HandleHelpFeature( CEikMenuPane& aMenuPane ) const

    {

    // The Help menu item must be displayed only if the Feature is supported.

    // If not, the Help item must be dimmed in the Options menu.

    if ( FeatureManager::FeatureSupported( KFeatureIdHelp ))

        {

        aMenuPane.SetItemDimmed( EAknCmdHelp, EFalse );

        }

    else

        {

        aMenuPane.SetItemDimmed( EAknCmdHelp, ETrue );

        }

    }