/*

* 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:  Container for Main View.

*

*/

// INCLUDE FILES

// Psln specific.

#include "PslnMainViewContainer.h"

#include "PslnUi.h"

#include "PslnDebug.h"

#include "PslnConst.h"

// Lists & Icons.

#include <aknlists.h>

#include <AknIconArray.h>

#include <eikclbd.h>

// Framework

#include <pslnfwplugininterface.h>

#include "PslnPluginHandler.h"

// Resources

#include <psln.rsg>

#include <pslnicon.mbg>

#include <data_caging_path_literals.hrh>

// Help related.

#include <csxhelp/skins.hlp.hrh>

// CONSTANTS

// Tab character.

_LIT( KTab, "\t" );

// Icon indexes for listbox.

const TInt KPslnGeneralId          = 0;

const TInt KPslnWallpaperId        = 1;

const TInt KPslnScreenSaverId      = 2;

// Container granularity.

const TInt KPslnMainConGranularity = 6;

// Max index of static (i.e. non-ECOM) folder when no plugins loaded.

const TInt KPslnStaticFolderNum = 2;

// Path to icon file.

_LIT( KPslnIconFilename, "z:pslnicon.mbm" );

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

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

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

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

//

CPslnMainViewContainer::CPslnMainViewContainer( CPslnUi* aPslnUi )

    : iPslnUi( aPslnUi )

    {

    }

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

// Destructor.

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

//

CPslnMainViewContainer::~CPslnMainViewContainer()

    {

    // iListBox is deleted in class CPslnBaseContainer.

    delete iItems;

    }

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

// Symbian 2nd phase constructor can leave.

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

//

void CPslnMainViewContainer::ConstructL( const TRect& aRect )

    {

    iListBox = new (ELeave) CAknSingleLargeStyleListBox;

    BaseConstructL(

        aRect,

        R_PSLN_SKIN_LIST_VIEW_TITLE,

        R_PSLN_MAIN_VIEW_LBX );

    }

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

// Creates listbox.

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

//

void CPslnMainViewContainer::ConstructListBoxL( TInt aResLbxId )

    {

    iItems = iCoeEnv->ReadDesC16ArrayResourceL( aResLbxId );

    CreateListBoxItemsL();

    }

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

// Creates listbox items.

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

//

void CPslnMainViewContainer::CreateListBoxItemsL()

    {

    PSLN_TRACE_DEBUG("CPslnMainViewContainer::CreateListBoxItemsL BEGIN");

    // Array for icons in the listbox. Owns the icons.

    CAknIconArray* iconList =

        new (ELeave) CAknIconArray( KPslnMainConGranularity );

    CleanupStack::PushL( iconList );

    // Find the resource file:

    HBufC* iconFile = HBufC::NewLC( KMaxFileName );

    TPtr fileNamePtr = iconFile->Des();

    GetIconFilePath( fileNamePtr );

    // Add non-plugin icons to icon group.

    // General icon.

    AddIconL(

        iconList,

        KAknsIIDQgnPropPslnGeneralSub,

        fileNamePtr,

        EMbmPslniconQgn_prop_psln_general_sub,

        EMbmPslniconQgn_prop_psln_general_sub_mask );

    // Wallpaper icon.

    AddIconL(

        iconList,

        KAknsIIDQgnPropPslnWpaperSub,

        fileNamePtr,

        EMbmPslniconQgn_prop_psln_wpaper_sub,

        EMbmPslniconQgn_prop_psln_wpaper_sub_mask );

    // Screensaver screensaver.

    AddIconL(

        iconList,

        KAknsIIDQgnPropPslnSsaverSub,

        fileNamePtr,

        EMbmPslniconQgn_prop_psln_ssaver_sub,

        EMbmPslniconQgn_prop_psln_ssaver_sub_mask );

    CleanupStack::PopAndDestroy( iconFile );

    // Add General Theme static view.

    // Icon location is ok - directly from resources.

    MakeItemL( KPslnGeneralId );

    // How many dynamic items have been added in-between.

    TInt offset = 0;

    iPluginArray = iPslnUi->PluginHandler()->GetPluginArray();

    // Create buffers.

    HBufC* buf = HBufC::NewLC( KPslnItemLength );

    TPtr ptrBuf = buf->Des();

    HBufC* item = HBufC::NewLC( KPslnItemLength );

    TPtr ptrItem = item->Des();

    // Add Active Idle (and Application Shell) plugin(s).

    if ( iPluginArray )

        {

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

            {

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

            CleanupStack::PushL( plugin );

            // TRAP all but OOM, so that plugins cannot cause Psln to fail to

            // launch.

            TRAPD( err,

                offset += MakePluginItemL( *plugin, *iconList, ptrBuf, ptrItem ) );

            if ( err == KErrNoMemory )

                {

                User::Leave( KErrNoMemory );

                }

            // Initialize buffers.

            ptrBuf.Zero();

            ptrItem.Zero();

            // icon is now owned by icon array and plugin by plugin handler

            CleanupStack::Pop( plugin );

            plugin = NULL;

            }

        }

    CleanupStack::PopAndDestroy( 2, buf ); // buf, item

    // Add Screen Saver and Wallpaper static views.

    TBitFlags views = iPslnUi->ViewSupport();

    if ( views.IsSet( CPslnUi::EPslnWallpaperView ) )

        {

        MakeItemL( KPslnWallpaperId, offset );

        }

    if ( views.IsSet( CPslnUi::EPslnScreensaverView ) )

        {

        MakeItemL( KPslnScreenSaverId, offset );

        }

    iPslnUi->AllViewsDone();

    // Destroy the old icons because SetIconArray() does not destroy them.

    CEikColumnListBox* listbox = static_cast<CEikColumnListBox*> ( iListBox );

    CArrayPtr<CGulIcon>* oldIcons =

        listbox->ItemDrawer()->ColumnData()->IconArray();

    if( oldIcons )

        {

        oldIcons->ResetAndDestroy();

        delete oldIcons;

        }

    // Transfer ownership of icon array to the lbx.

    listbox->ItemDrawer()->ColumnData()->SetIconArray( iconList );

    CleanupStack::Pop( iconList );

    iListBox->HandleItemAdditionL();

    PSLN_TRACE_DEBUG("CPslnMainViewContainer::CreateListBoxItemsL END");

    }

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

// Creates a specific setting item.

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

//

void CPslnMainViewContainer::MakeItemL( const TInt aIndex, const TInt aOffset )

    {

    PSLN_TRACE_DEBUG("CPslnMainViewContainer::MakeItemL BEGIN");

    if ( aIndex > iItems->Count() )

        {

        User::Leave( KErrArgument );

        }

    HBufC* item = (*iItems)[aIndex].AllocLC();

    // Reallocating invalidates the original string.

    HBufC* reallocItem = item->ReAllocL( item->Length() + KPslnIconSize );

    CleanupStack::Pop( item );

    item = reallocItem;

    CleanupStack::PushL( item );

    reallocItem = NULL; // do not use anymore.

    TPtr ptr = item->Des();

    TInt wallpaperOffset = 0;

    if ( aIndex == KPslnScreenSaverId 

	    && !iPslnUi->ViewSupport().IsSet( CPslnUi::EPslnWallpaperView ) )

        {

        wallpaperOffset = 1;

        }

    if ( aOffset != KErrNotFound )

        {

        iItemArray->InsertL( aIndex + aOffset - wallpaperOffset, ptr );

        }

    else

        {

        iItemArray->InsertL( aIndex - wallpaperOffset, ptr );

        }

    CleanupStack::PopAndDestroy( item );

    PSLN_TRACE_DEBUG("CPslnMainViewContainer::MakeItemL END");

    }

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

// Gets help context for Help application.

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

//

void CPslnMainViewContainer::GetHelpContext( TCoeHelpContext& aContext ) const

    {

    aContext.iMajor = KUidPsln;

    aContext.iContext = KSKINS_HLP_APP_MAIN;

    }

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

// Creates a plugin item (with title and icon)

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

//

TInt CPslnMainViewContainer::MakePluginItemL(

    CPslnFWPluginInterface& aPlugin, CAknIconArray& aIconList,

    TPtr& aBufPtr, TPtr& aItemPtr  )

    {

    TInt offset = 0;

    // Adding icon.

    CGulIcon* icon = aPlugin.CreateIconL();

    CleanupStack::PushL( icon );

    PSLN_TRACE_DEBUG("CPslnMainViewContainer::MakePluginItemL BEGIN");

    aPlugin.GetCaptionL( aBufPtr );

    TInt location = KErrNotFound;

    CPslnFWPluginInterface::TPslnFWLocationType locType;

    aPlugin.GetLocationTypeAndIndex( locType, location );

    // If it is AS or AI plugin, add it.

    if ( aPlugin.Id().iUid == KPslnASPluginUid.iUid ||

         aPlugin.Id().iUid == KPslnAIPluginUid.iUid )

        {

        TInt upcomingPlace = location + KPslnStaticFolderNum;

        if ( upcomingPlace >= aIconList.Count() )

            {

            upcomingPlace = aIconList.Count();

            }

        aIconList.InsertL( upcomingPlace , icon );

        // Let's correct the icon index.

        upcomingPlace = location + KPslnStaticFolderNum;

        aItemPtr.AppendNum( upcomingPlace );

        aItemPtr.Append( KTab );

        aItemPtr.Append( aBufPtr );

        if ( location >= iItemArray->Count() )

            {

            location = iItemArray->Count();

            }

        iItemArray->InsertL( location , aItemPtr );

        offset++;

        }

    else

        {

        aIconList.AppendL( icon );

        // use icon list position as index

        // iconList->Count() is here always at least 1

        // we need to adjust the icon index based on loaded plugins

        // which are inserted between static views.

        aItemPtr.AppendNum( aIconList.Count() - 1 + iAIAdded + iASAdded );

        aItemPtr.Append( KTab );

        aItemPtr.Append( aBufPtr );

        iItemArray->AppendL( aItemPtr );

        }

    if ( aPlugin.Id().iUid == KPslnASPluginUid.iUid )

        {

        iASAdded = ETrue;

        }

    if ( aPlugin.Id().iUid == KPslnAIPluginUid.iUid )

        {

        iAIAdded = ETrue;

        }

    CleanupStack::Pop( icon );

    return offset;

    }

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

// Adds icon to icon array.

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

//

void CPslnMainViewContainer::AddIconL(

    CAknIconArray* aIcons,

    const TAknsItemID& aSkinId,

    const TDesC& aFileName,

    TInt aBitmapId,

    TInt aMaskId )

    {

    CFbsBitmap* bitmap = NULL;

    CFbsBitmap* mask = NULL;

    AknsUtils::CreateIconL(

        AknsUtils::SkinInstance(),

        aSkinId,

        bitmap,

        mask,

        aFileName,

        aBitmapId,

        aMaskId );

    CleanupStack::PushL( bitmap );

    CleanupStack::PushL( mask );

    CGulIcon* icon = CGulIcon::NewL( bitmap, mask );

    CleanupStack::Pop( 2, bitmap ); // bitmap, mask

    CleanupStack::PushL( icon );

    if ( aIcons )

        {

        aIcons->AppendL( icon );

        }

    CleanupStack::Pop( icon );

    }

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

// Parses icon file path to given parameter.

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

//

void CPslnMainViewContainer::GetIconFilePath( TDes& aPath )

    {

    // Find the resource file:

    TParse parse;

    parse.Set( KPslnIconFilename, &KDC_APP_BITMAP_DIR, NULL );

    if ( aPath.MaxLength() >= parse.FullName().Length() )

        {

        aPath.Copy( parse.FullName() );

        }

    }

//  End of File