/*

* Copyright (c) 2004-2005 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:  Implements the CLandmarksAppUi class

*

*/

#include <barsread2.h>

#include <eikprogi.h>

#include <AknProgressDialog.h>

#include <akntabgrp.h>

#include <aknnavide.h>

#include "LmRefApp.hrh"

#include <LmRefApp.rsg>

#include "LandmarksAppUi.h"

#include "LandmarksView.h"

#include "LandmarksCategoriesView.h"

#include "LandmarksInfoView.h"

#include "LandmarksApplicationEngine.h"

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

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

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

//

CLandmarksAppUi::CLandmarksAppUi()

    {

    }

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

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

//

void CLandmarksAppUi::ConstructL()

    {

    BaseConstructL(EAknEnableSkin);

    // Fetch pointer to the status pane.

    CEikStatusPane* statusPane = StatusPane();

    // Fetch pointer to the default navi pane control.

    CAknNavigationControlContainer* naviPane = 

        (CAknNavigationControlContainer*) statusPane->ControlL(

            TUid::Uid(EEikStatusPaneUidNavi));

    // Initialise the nave decorator that visualizes the tabs and navi arrows.

    iNaviDecorator = naviPane->ResourceDecorator();

    CAknTabGroup* tabGroup =

        static_cast<CAknTabGroup*>(iNaviDecorator->DecoratedControl());

    tabGroup->SetObserver(this);

    // Create and init the application engine.

    iEngine = CLandmarksApplicationEngine::NewL();

    // Initialize the default landmark database if necessary.

    if (iEngine->StartInitializeDbIfNecessaryL(this))

        {

        LaunchProgressDialogL();

        }

    else

        {

        // Db is already initialized - OK to construct views.

        PostConstructL();

        }

    }

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

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

//

CLandmarksAppUi::~CLandmarksAppUi()

    {

    delete iNaviDecorator;

    // Cannot delete iEngine here since it is needed when deactivating views.

    iEngine = NULL;

    }

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

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

//

void CLandmarksAppUi::HandleCommandL(TInt aCommand)

    {

    switch(aCommand)

        {

        case EEikCmdExit:

        case EAknSoftkeyExit:

            if (iProgressDialog)

                {

                // The progress dialog has been dismissed but not yet deleted.

                // iProgressDialog->ProcessFinishedL() deletes the progress 

                // dialog asynchronously. If the app is exited before the 

                // dialog is deleted, a Cone 8 panic will occur.

                // Thus, iProgressDialog must be deleted explicitely here.

                delete iProgressDialog;

                iProgressDialog = NULL;

                }

            Exit();

            break;

        default:

            break;

        }

    }

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

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

//

TKeyResponse CLandmarksAppUi::HandleKeyEventL(

    const TKeyEvent& aKeyEvent,TEventCode aType)

    {

    // Offer arrow keys to CAknTabGroup, it then calculates new active tab

    // and later calls our TabChangedL() -method with correct new tab index.

    CAknTabGroup* tabGroup = 

        static_cast <CAknTabGroup*> (iNaviDecorator->DecoratedControl());

    if (tabGroup &&

        (aKeyEvent.iCode == EKeyLeftArrow || aKeyEvent.iCode == EKeyRightArrow))

        {

        return tabGroup->OfferKeyEventL(aKeyEvent, aType);

        }

    return EKeyWasNotConsumed;

    }

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

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

//

void CLandmarksAppUi::HandleResourceChangeL( TInt aType )

    {

    CAknAppUi::HandleResourceChangeL( aType );

    CLandmarksView* lmView = ( CLandmarksView* ) View( TUid::Uid( ELandmarksViewId ) );

    if ( lmView )

        {

        lmView->HandleResourceChange( aType );

        }

    CLandmarksCategoriesView* catView = ( CLandmarksCategoriesView* ) View( TUid::Uid( ELandmarksCategoriesViewId ) );

    if ( catView )

        {

        catView->HandleResourceChange( aType );

        }

    CLandmarksInfoView* infoView = ( CLandmarksInfoView* ) View( TUid::Uid( ELandmarksInfoViewId ) );

    if ( infoView )

        {

        infoView->HandleResourceChange( aType );

        }

    }

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

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

//

void CLandmarksAppUi::TabChangedL(TInt aIndex)

    {

    switch (aIndex)

        {

        case 0:

            ActivateLocalViewL(TUid::Uid(ELandmarksViewId));

            break;

        case 1:

            ActivateLocalViewL(TUid::Uid(ELandmarksCategoriesViewId));

            break;

        default:

            break;    

        }

    }

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

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

//

void CLandmarksAppUi::NotifyOperationProgressL(

    TOperation aOperation, 

    TInt aProgress, 

    TInt aErrorCode)

    {

    if (aOperation == EInitializeDb)

        {

        // Update Progressbar

        CEikProgressInfo* progressBar = iProgressDialog->GetProgressInfoL();

        progressBar->SetAndDraw(aProgress);

        if (aErrorCode == KErrNone) // Db initialization ready.

            {

            // Dismiss dialog. 

            iProgressDialog->ProcessFinishedL();

            // Continue with construction

            PostConstructL();

            }

        }

    }

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

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

//

void CLandmarksAppUi::PostConstructL()

    {

    // Create landmarks view

    CLandmarksView* landmarksView = 

        CLandmarksView::NewLC(iNaviDecorator, *iEngine);

    AddViewL(landmarksView); // Transfer ownership to base class 

    CleanupStack::Pop(landmarksView);

    // Create categories view

    CLandmarksCategoriesView* categoriesView = 

        CLandmarksCategoriesView::NewLC(iEngine); // ownership is transferred

    AddViewL(categoriesView); // Transfer ownership to base class 

    CleanupStack::Pop(categoriesView);

    // Create landmark info view

    CLandmarksInfoView* infoView = 

        CLandmarksInfoView::NewLC(iNaviDecorator, *iEngine);

    AddViewL(infoView); // Transfer ownership to base class 

    CleanupStack::Pop(infoView);

    // Activate landmarks view

    landmarksView->ActivateViewL(landmarksView->ViewId());

    }

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

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

//

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

    {

    iProgressDialog = NULL;

    }

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

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

//

void CLandmarksAppUi::LaunchProgressDialogL()

    {

    // Initialize dialog

    TBool showImmediately(ETrue);

    iProgressDialog = new (ELeave) CAknProgressDialog(

        reinterpret_cast <CEikDialog**> (&iProgressDialog), showImmediately);

    iProgressDialog->PrepareLC(R_LMREFAPP_INIT_DB_PROGRESS_DIALOG);

    iProgressDialog->SetCallback(this);

    // Initialize progress bar.

    CEikProgressInfo* progressBar = iProgressDialog->GetProgressInfoL();

    const TInt KFinalProgressValue = 100;  // 100% done when ready

    progressBar->SetFinalValue(KFinalProgressValue);

    // Launch the prepared dialog.

    iProgressDialog->RunLD();

    // Draw the progress bar

    progressBar->IncrementAndDraw(0);

    }