/*

* Copyright (c) 2005-2007 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:  Wallpaper view.

*

*/

// INCLUDE FILES

// Psln specific

#include <psln.rsg>

#include "PslnModel.h"

#include "PslnWallpaperView.h"

#include "PslnWallpaperContainer.h"

#include "PslnConst.h"

#include "PslnUi.h"

#include "PslnDRMImplementation.h"

#include "PslnDebug.h"

// General services

#include <MGFetch.h>

#include <AknSkinsInternalCRKeys.h>

#include <centralrepository.h>

#include <StringLoader.h>

#include <AknGlobalNote.h>

#ifdef RD_SLIDESHOW_WALLPAPER

// Slide set wallpaper.

#include <pslnslidesetwallpaperdialog.h>

#include <mmf/common/mmfcontrollerpluginresolver.h>

#include <ecom/resolver.h>

#endif // RD_SLIDESHOW_WALLPAPER

// CONSTANTS

// Granularity for wallpaper items.

const TInt KPslnFileArrayGranularity = 4;

// Index of selected file item from MGFetch.

const TInt KPslnSelectedFile = 0;

// Index of current wallpaper item selection.

enum TPslnWallpaperSelection

    {

    EPslnNoneWP = 0,

    EPslnUserDefinedWP,

    EPslnSlideSetWP

    };

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

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

// C++ default constructor can NOT contain any code, that might leave.

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

//

CPslnWallpaperView::CPslnWallpaperView()

    {

    }

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

// Symbian 2nd phase constructor can leave.

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

//

void CPslnWallpaperView::ConstructL()

    {

    PSLN_TRACE_DEBUG("CPslnWallpaperView::ConstructL BEGIN");

    BaseConstructL( R_PSLN_WALLPAPER_VIEW );

    iNaviPaneContext = iPslnUi->PslnTabGroup();

    iWallpaperRepository = CRepository::NewL( KCRUidPersonalisation );

    iWallpaperNotifier = CCenRepNotifyHandler::NewL(

        *this,

        *iWallpaperRepository,

        CCenRepNotifyHandler::EIntKey,

        KPslnWallpaperType );

    iWpDlgRunnig = EFalse;

    PSLN_TRACE_DEBUG("CPslnWallpaperView::ConstructL END");

    }

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

// Two-phased constructor.

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

//

CPslnWallpaperView* CPslnWallpaperView::NewLC()

    {

    CPslnWallpaperView* self = new (ELeave) CPslnWallpaperView();

    CleanupStack::PushL( self );

    self->ConstructL();

    return self;

    }

// Destructor

CPslnWallpaperView::~CPslnWallpaperView()

    {

    if ( iWallpaperNotifier )

        {

        iWallpaperNotifier->StopListening();

        }

    delete iWallpaperNotifier;

    delete iWallpaperRepository;

    }

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

// CPslnWallpaperView::Id

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

//

TUid CPslnWallpaperView::Id() const

    {

    return KPslnWallpaperView;

    }

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

// CPslnWallpaperView::HandleCommandL

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

//

void CPslnWallpaperView::HandleCommandL( TInt aCommand )

    {

    if ( aCommand == EAknSoftkeyOk ||

         aCommand == EPslnCmdAppSetWallpaper ||

         aCommand == EPslnCmdAppChangeWallpaper ||

         aCommand == EPslnCmdWallpaperConfigure )

        {

        if ( iContainer )

            {

            TInt setBgImage = KErrNone;

            // If User specified is selected.

            switch ( iContainer->CurrentItemIndex() )

                {

                case EPslnUserDefinedWP:

                    {

                    if ( iWpDlgRunnig )

                        {

                        return;

                        }

                    if ( !ShowBackgroundImageListL() )

                        {

                        return;

                        }

                    iModel->SetCurrentPropertyTypeL(

                        KPslnBgIdleSettingId,

                        EPslnUserDefinedWP );

                    }

                    break;

                case EPslnNoneWP:

                    if ( iActiveWallpaper != EPslnNoneWP )

                        {

                        iModel->SetCurrentPropertyTypeL(

                            KPslnBgIdleSettingId,

                            EPslnNoneWP );

                        setBgImage = iModel->SetBackgroundImagePath( KNullDesC );

                        if ( setBgImage != KErrNone )

                            {

                            iPslnUi->HandleImageErrorsL( setBgImage );

                            }

                        }

                    else

                        {

                        // No need to do anything.

                        return;

                        }

                    break;

                case EPslnSlideSetWP:

                    {

#ifdef RD_SLIDESHOW_WALLPAPER

                    if ( iWpDlgRunnig )

                        {

                        //Try not run slideset dialog more than once.

                        return;

                        }

                    RImplInfoPtrArray array;

                    const TUid wallpaperUid = { 0x102823AD };

                    const TEComResolverParams emptyParams;

                    REComSession::ListImplementationsL(

                        wallpaperUid,

                        emptyParams,

                        KRomOnlyResolverUid,

                        array );

                    CleanupResetAndDestroyPushL( array );

                    CImplementationInformation* info = array[ KPslnWallpaperSlideSettingDialog ];

                    TUid implUid = info->ImplementationUid();

                    CPslnSlidesetDialogInterface* plugin =

                        CPslnSlidesetDialogInterface::NewL( implUid );

                    if ( aCommand == EPslnCmdWallpaperConfigure )

                        {

                        plugin->SetDialogFlag(

                            CPslnSlidesetDialogInterface::EPslnLaunchMode,

                            CPslnSlidesetDialogInterface::EPslnConfigureOnly );

                        }

                    if ( aCommand == EPslnCmdAppSetWallpaper &&

                         plugin->GetDialogFlag(

                            CPslnSlidesetDialogInterface::EPslnConfigurability ) ==

                                CPslnSlidesetDialogInterface::EPslnDirectActivationPossible )

                        {

                        delete plugin; // just delete the plugin as it is not needed.

                        iWallpaperRepository->Set( KPslnWallpaperType, EPslnSlideSetWP );

                        UpdateCurrentItem();

                        }

                    else

                        {

                        iWpDlgRunnig = ETrue;

                        plugin->ExecuteDialogLD();

                        iWpDlgRunnig = EFalse;

                        }

                    plugin = NULL;

                    CleanupStack::PopAndDestroy(); // array

                    // Plugin stores wallpaper type, if it deems that the user selection is valid.

#endif // RD_SLIDESHOW_WALLPAPER

                    }

                    break;

                default:

                    break;

                }

            // Update container.

            static_cast<CPslnWallpaperContainer*>

                (iContainer)->UpdateListBoxL();

            CheckMiddleSoftkeyLabelL();

            }

        }

    else

        {

    	if ( ( aCommand == EAknSoftkeyBack ) && iWpDlgRunnig )

    		{

    		return;

    		}

        iPslnUi->HandleCommandL( aCommand );

        }

    }

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

// When this method is called, view checks based on highlight focus, if the MSK

// label is correct.

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

//

void CPslnWallpaperView::CheckMiddleSoftkeyLabelL()

    {

    // First remove any prevous commands.

    RemoveCommandFromMSK();

    if ( iContainer )

        {

        iCurrentItem = iContainer->CurrentItemIndex();

        }

    // Set MSK label.

    if ( iActiveWallpaper != iCurrentItem )

        {

        // Set middle softkey as Apply, if:

        // a) 'None' is selected

        // b) highlight is on inactive selection

        CPslnBaseView::SetMiddleSoftKeyLabelL(

            R_PSLN_MSK_ACTIVATE,

            EPslnCmdAppSetWallpaper );

        }

     else if (  iActiveWallpaper == 0 )

        {

        CPslnBaseView::SetMiddleSoftKeyLabelL(

                R_PSLN_MSK_DUMMY,

                EPslnCmdEmptyCommand );

        }

    else

        {

        // Otherwise set middle softkey as Change.

        CPslnBaseView::SetMiddleSoftKeyLabelL(

            R_PSLN_MSK_CHANGE,

            EPslnCmdAppChangeWallpaper );

        }

    }

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

// If wallpaper image has changed, update container.

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

//

void CPslnWallpaperView::HandleNotifyInt( TUint32 aId, TInt /*aNewValue*/ )

    {

    if ( ( aId == KPslnWallpaperType ) && iContainer )

        {

        TInt previousValue = UpdateCurrentItem();

        if ( iActiveWallpaper != previousValue )

            {

            UpdateContainer();

            }

        }

    }

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

// If the whole repository changes, update container.

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

//

void CPslnWallpaperView::HandleNotifyGeneric( TUint32 aId )

    {

    if ( ( aId == NCentralRepositoryConstants::KInvalidNotificationId ||

           aId == KPslnWallpaperType ) && iContainer )

        {

        TInt previousValue = UpdateCurrentItem();

        if ( iActiveWallpaper != previousValue )

            {

            UpdateContainer();

            }

        }

    }

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

// In case of error, try to re-start listening.

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

//

void CPslnWallpaperView::HandleNotifyError(

    TUint32 /*aId*/,

    TInt aError,

    CCenRepNotifyHandler* aHandler )

    {

    if ( ( aError != KErrNone ) && aHandler )

        {

        TRAP_IGNORE( aHandler->StartListeningL() );

        }

    }

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

// CPslnWallpaperView::DoActivateL

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

//

void CPslnWallpaperView::DoActivateL(

            const TVwsViewId& aPrevViewId,

            TUid aCustomMessageId,

            const TDesC8& aCustomMessage )

    {

    PSLN_TRACE_DEBUG("CPslnWallpaperView::DoActivateL START");

    CPslnBaseView::DoActivateL(

        aPrevViewId,

        aCustomMessageId,

        aCustomMessage );

    // If view is directly activated (not through main view), update

    // tab group (and main view's active folder). The static views

    // have same UID as their tab index.

    if ( aPrevViewId.iAppUid != KUidPsln )

        {

        iPslnUi->UpdateTabIndex(

            KPslnWallpaperView.iUid,

            KPslnWallpaperView.iUid );

        }

    if ( iContainer )

        {

        UpdateCurrentItem();

        // Set highlight to selected item.

        iContainer->SetCurrentItemIndexAndDraw( iActiveWallpaper );

        }

    if ( iWallpaperNotifier )

        {

        iWallpaperNotifier->StartListeningL();

        }

    CheckMiddleSoftkeyLabelL();

    iWpDlgRunnig = EFalse;

    PSLN_TRACE_DEBUG("CPslnWallpaperView::DoActivateL END");

    }

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

// CPslnWallpaperView::DynInitMenuPaneL

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

//

void CPslnWallpaperView::DynInitMenuPaneL(

    TInt aResourceId, CEikMenuPane* aMenuPane )

    {

    if ( aResourceId == R_PSLN_WALLPAPER_MENUPANE )

        {

        if ( iContainer )

            {

            iCurrentItem = iContainer->CurrentItemIndex();

            }

        // Remove change if none is selected, or highlight is not in active item.

        if ( iActiveWallpaper != iCurrentItem )

            {

            aMenuPane->SetItemDimmed( EPslnCmdAppChangeWallpaper, ETrue );

            }

        else if ( iActiveWallpaper == 0 )

            {

                aMenuPane->SetItemDimmed( EPslnCmdAppSetWallpaper, ETrue );

                aMenuPane->SetItemDimmed( EPslnCmdAppChangeWallpaper, ETrue );

            }

        else

            {

            aMenuPane->SetItemDimmed( EPslnCmdAppSetWallpaper, ETrue );

            }

#ifdef RD_SLIDESHOW_WALLPAPER

        if ( iCurrentItem != EPslnSlideSetWP )

            {

            aMenuPane->SetItemDimmed( EPslnCmdWallpaperConfigure, ETrue );

            }

#endif // RD_SLIDESET_WALLPAPER

        }

    CPslnBaseView::DynInitMenuPaneL( aResourceId, aMenuPane );

    }

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

// CPslnWallpaperView::HandleListBoxSelectionL

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

//

void CPslnWallpaperView::HandleListBoxSelectionL()

    {

    if ( iContainer )

        {

        iCurrentItem = iContainer->CurrentItemIndex();

        }

    HandleCommandL( EAknSoftkeyOk );

    }

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

// CPslnWallpaperView::NewContainerL

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

//

void CPslnWallpaperView::NewContainerL()

    {

    iContainer = new(ELeave) CPslnWallpaperContainer();

    iContainer->SetMiddleSoftkeyObserver( this );

    }

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

// CPslnWallpaperView::SetTitlePaneL

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

//

void CPslnWallpaperView::SetTitlePaneL( TInt& aResourceId )

    {

#ifdef RD_CONTROL_PANEL

    aResourceId = R_PSLN_TITLE_PANE_WALLPAPER;

#endif //RD_CONTROL_PANEL

    }

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

// CPslnWallpaperView::CbaExitEnabled

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

//

TInt CPslnWallpaperView::CbaResourceId( const TVwsViewId& /*aPrevViewId*/,TUid aCustomMessageId )

    {

    return aCustomMessageId.iUid ?

        R_AVKON_SOFTKEYS_OPTIONS_EXIT : R_AVKON_SOFTKEYS_OPTIONS_BACK;

    }

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

// CPslnWallpaperView::ShowBackgroundImageListL

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

//

TBool CPslnWallpaperView::ShowBackgroundImageListL()

    {

    PSLN_TRACE_DEBUG("CPslnWallpaperView::ShowBackgroundImageListL");

    TBool retVal = EFalse;

    CDesCArrayFlat* files =

        new (ELeave) CDesCArrayFlat( KPslnFileArrayGranularity );

    CleanupStack::PushL( files );

    CPslnDRMImplementation* verifier = NULL;

    verifier = CPslnDRMImplementation::NewL();

    CleanupStack::PushL( verifier );

    PSLN_TRACE_DEBUG("CPslnWallpaperView::ShowBackgroundImageListL MGFetch");

    iWpDlgRunnig = ETrue;

    TBool selected = EFalse;

    TRAPD( err,selected = MGFetch::RunL( *files, EImageFile, EFalse, verifier ) );

    iWpDlgRunnig = EFalse;

    User::LeaveIfError( err );

    if ( !verifier )

        {

        PSLN_TRACE_DEBUG("CPslnWallpaperView::ShowBackgroundImageListL DRM Error");

        }

    else if( selected && ( files->MdcaCount() > 0 ) )

        {

        PSLN_TRACE_DEBUG("CPslnWallpaperView::ShowBackgroundImageListL Fetch successful");

        TInt setBgImage = iModel->SetBackgroundImagePath(

                files->MdcaPoint( KPslnSelectedFile ) );

        if ( setBgImage != KErrNone )

            {

            if ( setBgImage == KLeaveExit )

                {

                User::Leave( KLeaveExit );

                }

            else

                {    

                iPslnUi->HandleImageErrorsL( setBgImage );

                }

            }

        else

            {

            // Image selected, no DRM issues.

            retVal = ETrue;

            }

        CheckMiddleSoftkeyLabelL();

        }

    else

        {

        PSLN_TRACE_DEBUG("CPslnWallpaperView::ShowBackgroundImageListL Fetch cancelled");

        }

    CleanupStack::PopAndDestroy( 2, files ); // verifier, files

    PSLN_TRACE_DEBUG("CPslnWallpaperView::ShowBackgroundImageListL METHOD COMPLETED");

    return retVal;

    }

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

// Updates the container.

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

//

void CPslnWallpaperView::UpdateContainer()

    {

    PSLN_TRACE_DEBUG("CPslnWallpaperView::UpdateContainer START");

    if ( iContainer )

        {

        TRAP_IGNORE( static_cast<CPslnWallpaperContainer*>

                (iContainer)->UpdateListBoxL();

            CheckMiddleSoftkeyLabelL();

            );

        }

    PSLN_TRACE_DEBUG("CPslnWallpaperView::UpdateContainer END");