/*

* Copyright (c) 2002 Nokia Corporation and/or its subsidiary(-ies).

* All rights reserved.

* This component and the accompanying materials are made available

* under the terms of the License "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: 

*      Implementation of CBrowserFavouritesContainer.

*

*

*/

// INCLUDE FILES

#include <eikimage.h>

#include <AknAppUi.h>

#include <AknNavi.h>

#include <AknNaviDe.h>

#include <AknTabGrp.h>

#include <AknNaviLabel.h>

#include <AknTitle.h>

#include <aknsfld.h>

#include <calslbs.h>

#include <barsread.h>	// for TResourceReader

#include <EikSpane.h>

#include <Avkon.hrh>

#include <BrowserNG.rsg>

#include <FavouritesDb.h>

#include <aknconsts.h>

#include <akneditstateindicator.h>

#include <AknsListBoxBackgroundControlContext.h>

#include <aknlayout.cdl.h>

#include "Display.h"

#include "Preferences.h"

#include "BrowserAppUi.h"

#include "BrowserUIVariant.hrh"

#include "CommonConstants.h"

#include "BrowserFavouritesView.h"

#include "BrowserFavouritesContainer.h"

#include "BrowserFavouritesListbox.h"

#include "BrowserFavouritesListboxModel.h"

#include "BrowserFavouritesListboxIconHandler.h"

// CONSTANTS

LOCAL_D const TInt KTabId = 88888;

LOCAL_D const TInt KMaxNaviText = 25;   // format is "<int>/<int>".

_LIT( KFormat, "%d/%d" );

// ============================= LOCAL FUNCTIONS ===============================

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

// CBrowserFavouritesContainer::~CBrowserFavouritesContainer

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

//

CBrowserFavouritesContainer::~CBrowserFavouritesContainer()

	{

    delete iListbox;

    delete iIconHandler;

	delete iSkinContext;

	delete iNaviPaneTabsFolder;

	}

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

// CBrowserFavouritesContainer::ShowRootNaviPane

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

//

void CBrowserFavouritesContainer::ShowRootNaviPane()

    {

    // If text is showing, destroy now - this pops off teh Navi Pane.

	delete iNaviPaneTabsFolder;

    iNaviPaneTabsFolder = NULL;

    }

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

// CBrowserFavouritesContainer::ShowFolderNaviPaneL

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

//

void CBrowserFavouritesContainer::ShowFolderNaviPaneL

( TInt aFolderIndex, TInt aFolderCount )

    {

	CAknNavigationControlContainer* naviPane =

        iView->ApiProvider().Display().NaviPaneL();

    if ( !iNaviPaneTabsFolder )

        {

        // Folder's tab group not yet created. Make it now.

        iNaviPaneTabsFolder = naviPane->CreateTabGroupL();

        iNaviPaneTabsFolder->SetNaviDecoratorObserver(this);

        }

    TBuf<KMaxNaviText> buf;

    // Format Navi Pane text "1/4" style.

    buf.Format( KFormat, aFolderIndex + 1, aFolderCount );

    AknTextUtils::LanguageSpecificNumberConversion( buf );

    CEikImage* folderIcon = new (ELeave) CEikImage;

    CleanupStack::PushL( folderIcon );

    TResourceReader rr;

    iCoeEnv->CreateResourceReaderLC( rr, R_BROWSER_ICON_PROP_FOLDER );

    folderIcon->ConstructFromResourceL( rr );

    folderIcon->SetPictureOwnedExternally( EFalse );    // has ownership now

    CleanupStack::PopAndDestroy(); // rr

    CAknTabGroup* tabGroup = 

        STATIC_CAST( CAknTabGroup*, iNaviPaneTabsFolder->DecoratedControl() );

    if ( tabGroup->TabCount() )

        {

        // Already created. Change the contents.

        tabGroup->ReplaceTabL

            (

            KTabId,

            buf,

            folderIcon->Bitmap(),                       // ownership passed

            folderIcon->Mask()                          // ownership passed

            );

        }

    else

        {

        // Created just now. Add the contents.

        tabGroup->AddTabL

            (

            KTabId,

            buf,

            folderIcon->Bitmap(),                       // ownership passed

            folderIcon->Mask()                          // ownership passed

            );

        }

    folderIcon->SetPictureOwnedExternally( ETrue );     // ownership passed

    CleanupStack::PopAndDestroy();  // folderIcon

    tabGroup->SetTabFixedWidthL( EAknTabWidthWithOneTab );

    tabGroup->SetActiveTabById( KTabId );

	iNaviPaneTabsFolder->SetScrollButtonDimmed

		( CAknNavigationDecorator::ELeftButton, aFolderIndex == 0 );

	iNaviPaneTabsFolder->SetScrollButtonDimmed

		( 

		CAknNavigationDecorator::ERightButton,

		aFolderIndex == aFolderCount - 1

		);

	// If not yet pushed, this will do the push; if already there, this brings

    // it to top and draws.

    naviPane->PushL( *iNaviPaneTabsFolder );

    }

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

// CBrowserFavouritesContainer::ComponentControl

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

//

CCoeControl* CBrowserFavouritesContainer::ComponentControl

( TInt aIndex ) const

	{

    switch (aIndex)

        {

        case 0:

            return iListbox;

        default:

            return 0;

        }

	}

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

// CBrowserFavouritesContainer::CountComponentControls

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

//

TInt CBrowserFavouritesContainer::CountComponentControls() const

	{

    return (iListbox ? 1 : 0) ;

	}

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

// CBrowserFavouritesContainer::SizeChanged

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

//

void CBrowserFavouritesContainer::SizeChanged()

	{

    // Listbox is empty; listbox takes the whole area.

    iListbox->SetRect( Rect() );

	}

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

// CBrowserFavouritesContainer::OfferKeyEventL

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

//

TKeyResponse CBrowserFavouritesContainer::OfferKeyEventL

( const TKeyEvent& aKeyEvent, TEventCode aType )

	{

	CBrowserAppUi* ui = CBrowserAppUi::Static();

    TKeyResponse result = EKeyWasNotConsumed;

	if (ui->OfferApplicationSpecificKeyEventL(aKeyEvent, aType) == EKeyWasConsumed)

		{

		return EKeyWasConsumed;

		}

    if ( result == EKeyWasNotConsumed )

        {

        // Otherwise, give the view a chance to handle arrow presses

        // (moving between subfolders).

        result = iView->OfferKeyEventL( aKeyEvent, aType );

        }

    if ( result == EKeyWasNotConsumed && iListbox )

        {

        // Otherwise, let the listbox fiddle with it. This will NOT consume

        // arrow presses (base class overridden).

        result = iListbox->OfferKeyEventL( aKeyEvent, aType );

        }

    return result;

	}

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

// CBrowserFavouritesContainer::HandleCursorChangedL

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

//

void CBrowserFavouritesContainer::HandleCursorChangedL

( CEikListBox* /*aListBox*/ )

    {

    }

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

// CBrowserFavouritesContainer::HandleNaviDecoratorEventL

//

// Called when user touches the left or right arrow in navipane

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

//

void CBrowserFavouritesContainer::HandleNaviDecoratorEventL( TInt aEventID )

    {

    // used to swap the arrow key functionality for Arabic, etc...

    TBool forward(!(AknLayoutUtils::PenEnabled() && AknLayoutUtils::LayoutMirrored()));

    switch (aEventID)

        {

        case MAknNaviDecoratorObserver::EAknNaviDecoratorEventRightTabArrow:

            iView->ShowNextFolerL(forward);

            break;

        case MAknNaviDecoratorObserver::EAknNaviDecoratorEventLeftTabArrow:

            iView->ShowNextFolerL(!forward);

            break;

        default:

            break;

        }

    }

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

// CBrowserFavouritesContainer::ConstructComponentControlsL

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

//

void CBrowserFavouritesContainer::ConstructComponentControlsL(

        const TRect& /*aRect*/,

        CBrowserFavouritesView& aView )

	{

    // Construct listbox.

    iIconHandler = CreateListboxIconHandlerL();

    iListbox = CBrowserFavouritesListbox::NewL( iView->ApiProvider(), this, *iIconHandler );

    iListbox->SetListBoxObserver( &aView );

    iListbox->SetListboxCursorObserver( this );

    HBufC* buf = iCoeEnv->AllocReadResourceLC( ListboxEmptyTextResourceId() );

    iListbox->View()->SetListEmptyTextL( *buf );

    CleanupStack::PopAndDestroy();  // buf

	}

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

// CBrowserFavouritesContainer::ConstructL

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

//

void CBrowserFavouritesContainer::ConstructL

( const TRect& aRect, CBrowserFavouritesView& aView )

	{

    iView = &aView;

	CAknNavigationControlContainer* naviPane =

        iView->ApiProvider().Display().NaviPaneL();

    CreateWindowL();

    SetMopParent( iView );

    ConstructComponentControlsL( aRect, *iView );

    TAknsItemID tileIID = KAknsIIDSkinBmpListPaneNarrowA;

    TAknLayoutRect listGenPane;

    listGenPane.LayoutRect(iAvkonAppUi->ClientRect() , 

        AknLayout::list_gen_pane( 0 ));

    TAknLayoutRect column;

    column.LayoutRect(iAvkonAppUi->ClientRect() , 

        AknLayout::A_column());

    iSkinContext = CAknsListBoxBackgroundControlContext::NewL(

        KAknsIIDSkinBmpMainPaneUsual, 

        listGenPane.Rect(), //TODOVRa: Should come from LAF!

        EFalse, tileIID,

        column.Rect() ); //TODOVRa: Should come from LAF!

    SetRect( aRect );

    ActivateL();

    }

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

// CBrowserFavouritesContainer::MopSupplyObject

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

//

TTypeUid::Ptr CBrowserFavouritesContainer::MopSupplyObject( TTypeUid aId )

    {

    if( aId.iUid == MAknsControlContext::ETypeId  )

        {

        return MAknsControlContext::SupplyMopObject( aId, iSkinContext );

        }

	return SupplyMopObject( aId, (MAknEditingStateIndicator*)NULL );

    }

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

// CBrowserFavouritesContainer::HandleResourceChange

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

//

void CBrowserFavouritesContainer::HandleResourceChange( TInt aType )

    {

    // goes through all the subcomponents

    CCoeControl::HandleResourceChange( aType );

    if (aType == KEikDynamicLayoutVariantSwitch)

        {

        SetRect(iView->ClientRect());

        DrawDeferred();

        }

    }

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

// CBrowserFavouritesContainer::FocusChanged

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

//

void CBrowserFavouritesContainer::FocusChanged( TDrawNow aDrawNow )

    {

	if ( iListbox && iListbox->IsVisible() )

        {

        Listbox()->SetFocus( IsFocused(), aDrawNow );

        }

    }

// End of File