/*

* Copyright (c) 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:  Main View.

*

*/

// INCLUDE FILES

#include    <gsmainview.h>

#include    "GSMainContainer.h"

#include    "GsLogger.h"

#include    "gsplugininterface.h"

#include    "GSDocument.h"

#include    "GSUi.h"

#include    <GSApp.rsg>

#include    <gsfwviewuids.h>

#include    <aknlists.h>

#include    <ConeResLoader.h>

#include    <featmgr.h>

#include    <akntitle.h>

#include    <bautils.h> // Localization

#include    <hlplch.h>

#include    <gscommon.hrh>

#include    <gfxtranseffect/gfxtranseffect.h>

#include	  <layoutmetadata.cdl.h>

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

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

// CGSMainView::CGSMainView

// C++ constructor.

//

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

//

CGSMainView::CGSMainView()

    : iResourceLoader( *iCoeEnv )

    {

    }

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

// CGSMainView::NewL()

// Symbian OS two-phased constructor.

//

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

//

CGSMainView* CGSMainView::NewL()

    {

    CGSMainView* self = NewLC();

    CleanupStack::Pop( self );

    return self;

    }

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

// CGSMainView::NewLC()

// Symbian OS two-phased constructor.

//

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

//

CGSMainView* CGSMainView::NewLC()

    {

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

    CleanupStack::PushL( self );

    self->ConstructL();

    return self;

    }

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

// CGSMainView::ConstructL(const TRect& aRect)

// Symbian OS default constuctor.

//

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

//

void CGSMainView::ConstructL()

    {

    __GSLOGSTRING( "[CGSMainView] ConstructL()" );

    iAppUi = AppUi();

    OpenLocalizedResourceFileL( KGSMainViewResourceFileName );

    BaseConstructL( R_GS_MAIN_VIEW );

    iPluginArray = new CArrayPtrFlat<CGSPluginInterface>( 10 );

    iPluginLoader = CGSPluginLoader::NewL( iAppUi );

    iPluginLoader->SetObserver( this );

    iPluginLoader->LoadAsyncL( KGSPluginInterfaceUid, KGSMainViewUid,

        iPluginArray );

    iPosition.Reset();

    }

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

// CGSMainView::~CGSMainView()

// Destructor

//

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

//

CGSMainView::~CGSMainView()

    {

    __GSLOGSTRING( "[CGSMainView] ~CGSMainView" );

    if ( iPluginLoader )

        {

        delete iPluginLoader;

        }

    if ( iPluginArray )

        {

        // Since the plugins are actually avkon views, avkon is responsible

        // for owning the plugins. This means we do not reset and destroy

        // the contents of the array in which the plugins reside. We have to

        // leave it up to avkon to tidy up.

        delete iPluginArray;

        }

    iResourceLoader.Close();

    if( iContainer && iAppUi )

        {

        iAppUi->RemoveFromViewStack( *this, iContainer );

        delete iContainer;

        }

    }

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

// TUid CGSMainView::OpenLocalizedResourceFileL()

//

//

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

//

void CGSMainView::OpenLocalizedResourceFileL( const TDesC& aResourceFileName )

    {

    // Find the resource file

    TParse parse;

    parse.Set( aResourceFileName, &KDC_APP_RESOURCE_DIR, NULL );

    TFileName fileName( parse.FullName() );

    // Get language of resource file

    BaflUtils::NearestLanguageFile( fsSession, fileName );

    // Open resource file

    iResourceLoader.OpenL( fileName );

    }

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

// TUid CGSMainView::Id()

//

//

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

//

TUid CGSMainView::Id() const

    {

    return KGSMainViewUid;

    }

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

// CGSMainView::DoActivateL()

//

//

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

//

void CGSMainView::DoActivateL( const TVwsViewId& /*aPrevViewId*/,

                               TUid /*aCustomMessageId*/,

                               const TDesC8& /*aCustomMessage*/ )

    {

    __GSLOGSTRING( "[CGSMainView] DoActivateL()" );

    iPluginLoader->RequestPriority( CActive::EPriorityHigh );

    if( iContainer )

        {

        iAppUi->RemoveFromViewStack( *this, iContainer );

        delete iContainer;

        iContainer = NULL;

        }

    NewContainerL();

    // Set the empty text of list box

    _LIT( KEmptyText, "" );

    TBuf<1> empty( KEmptyText );

    iContainer->SetListBoxEmptyTextL( empty );

    // Do this to update listbox from already existing iPluginArray.

    iContainer->UpdateListBoxL();

    if ( iPosition.iCurrentItemIndex != -1 )

		{

		if ( iIsLandscapeOrientation == Layout_Meta_Data::IsLandscapeOrientation() )

			{

			iContainer->RestoreListBoxPositionL( iPosition, EFalse );

			}

		else

			{

			iContainer->RestoreListBoxPositionL( iPosition, ETrue );

			}

		}

    iAppUi->AddToViewStackL( *this, iContainer );

    // Navigating to main view will reset all child plugin selected indexes:

    for( TInt i = 0; i < iPluginArray->Count(); i++ )

        {

        CGSPluginInterface* plugin = iPluginArray->operator[]( i );

        plugin->ResetSelectedItemIndex();

        }

    GfxTransEffect::EndFullScreen();

    }

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

// CGSMainView::DoDeactivate()

//

//

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

//

void CGSMainView::DoDeactivate()

    {

    __GSLOGSTRING( "[CGSMainView] DoDeactivate()" );

    iPluginLoader->RequestPriority( CActive::EPriorityLow );

    if ( iContainer )

        {

		iPosition.Reset();

		TRAPD( err, iContainer->StoreListBoxPositionL( iPosition ) );

		iIsLandscapeOrientation = Layout_Meta_Data::IsLandscapeOrientation();

		iAppUi->RemoveFromViewStack(*this, iContainer);

        delete iContainer;

        iContainer = NULL;

        }

    }

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

// CGSMainView::NewContainerL()

//

//

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

//

void CGSMainView::NewContainerL()

    {

    iContainer = new( ELeave ) CGSMainContainer;

    iContainer->SetMopParent( this );

    TRAPD(

        error,

        iContainer->ConstructL( ClientRect() , AppUi(), iPluginArray ) );

    if ( error )

        {

        delete iContainer;

        iContainer = NULL;

        User::Leave( error );

        }

    }

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

// TUid CGSMainView::HandleCommandL()

//

//

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

//

void CGSMainView::HandleCommandL( TInt aCommand )

    {

    __GSLOGSTRING1( "[CGSMainView] HandleCommandL(%d)", aCommand );

    switch ( aCommand )

        {

        case EGSCmdAppOpen:

        case EAknSoftkeyOpen:

            if( iContainer )

                {

                CGSPluginInterface* plugin = iContainer->SelectedPlugin();

                if ( plugin )

                	{

                    switch (plugin->ItemType())

                        {

                        // In these cases the plugin is a view:

                        case EGSItemTypeSingleLarge:

                        case EGSItemTypeSetting:

                        case EGSItemTypeSettingIcon:

                            iAppUi->ActivateLocalViewL(plugin->Id());

                            break;

                            // In these cases the plugin is a dialog:

                        case EGSItemTypeSettingDialog:

                        case EGSItemTypeSingleLargeDialog:

                            plugin->HandleSelection(EGSSelectionByMenu);

                            break;

                        }

                	}

                }

            break;

        case EAknCmdHelp:

            {

            if( FeatureManager::FeatureSupported( KFeatureIdHelp ) )

                {

                HlpLauncher::LaunchHelpApplicationL(

                    iEikonEnv->WsSession(), iAppUi->AppHelpContextL() );

                }

            break;

            }

        default:

            iAppUi->HandleCommandL( aCommand );

            break;

        }

    }

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

// TUid CGSMainView::HandlePluginLoaded()

//

//

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

//

void CGSMainView::HandlePluginLoaded( KGSPluginLoaderStatus aStatus )

    {

    __GSLOGSTRING1( "[CGSMainView::HandlePluginLoaded] aStatus:%d", aStatus );

    switch( aStatus )

        {

        case MGSPluginLoadObserver::EGSSuccess:

            // Should not update each time when plugin is loaded, only when 

            // finished loading spesific view plugins?

            break;

        case MGSPluginLoadObserver::EGSFinished:

            if( iContainer )

                {

                TRAPD( err,

                       iContainer->UpdateListBoxL(); )

                if( err != KErrNone )

                    {

                    __GSLOGSTRING1(

                        "[CGSMainView] Error updating listbox: %d", 

                        err );

                    }

                }

            break;

        default:

            break;

        }

    }

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

// CGSMainView::TransferDynamicPluginL()

//

//

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

//

void CGSMainView::TransferDynamicPluginL( CGSPluginInterface* aPlugin )

    {

    __GSLOGSTRING1( "[CGSMainView] CGSMainView::TransferDynamicPluginL() - plugin id: 0x%x added to appUi.", aPlugin->Id() );

    CleanupStack::PushL( aPlugin );

    iAppUi->AddViewL( aPlugin );

    CleanupStack::Pop( aPlugin );

    // Add to the overall plugin array for this parent plugin

    iPluginArray->AppendL( aPlugin );

    // Resort the plugins so that they are in order

    iPluginLoader->SortPluginsL( iPluginArray );

    // Update the listbox with the new information

    HandlePluginLoaded( MGSPluginLoadObserver::EGSSuccess );

    }

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

// TUid CGSMainView::TabbedViews()

//

//

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

//

CArrayPtrFlat<CGSPluginInterface>* CGSMainView::TabbedViews()

    {

    return iPluginArray;

    }

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

// CGSMainView::TabChangedL()

//

//

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

//

void CGSMainView::TabChangedL( TUid selectedTabUid )

    {

    // Update selected item because changing tab in main view's children

    // affects also main view's selected item:

    iSelectedPluginUid = selectedTabUid;

    }

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

// CGSMainView::UpdateView()

//

//

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

//

void CGSMainView::UpdateView()

    {

    TRAP_IGNORE( iContainer->UpdateListBoxL() );

    }

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

// CGSMainView::DynInitMenuPaneL()

//

// dynamically handle help item if not supported

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

//

void CGSMainView::DynInitMenuPaneL( TInt aResourceId, 

                                    CEikMenuPane* aMenuPane )

    {   

    if( aResourceId == R_GS_MENU_ITEM_HELP )

        {

        User::LeaveIfNull( aMenuPane );

        if ( FeatureManager::FeatureSupported( KFeatureIdHelp ))

            {

            aMenuPane->SetItemDimmed( EAknCmdHelp, EFalse );

            }

        else

            {

            aMenuPane->SetItemDimmed( EAknCmdHelp, ETrue );

            }

        }

    }

//End of File