/*

* Copyright (c) 2006 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:  CAknListLoader is used to load the APIs needed for listbox effects

*

*/

#include "aknlistloadertfx.h"

#include "aknlistboxtfx.h"

#include "aknlistboxtfxinternal.h"

#include "aknlistboxtfxplugin.h"

#include "aknlistboxecomids.h"

#include <ecom/ecom.h>

#include <eiklbx.h>

#include <eiklbv.h>

#include <eiklbi.h>

#include <eikmenup.h>

const TUid KUid = { 0x10282E46 }; // Uid for the CCoeStatic

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

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

//

EXPORT_C MAknListBoxTfx *CAknListLoader::TfxApi(CWindowGc *aGc)

    {

    CAknListLoader *singleton = CAknListLoader::Static();

    if ( singleton && singleton->iListBoxPlugin &&

         singleton->iGcArray.Find( aGc ) != KErrNotFound )

        {

        return singleton->iListBoxPlugin->AknListBoxTfx(aGc);

        }

    return NULL;

    }

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

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

//

EXPORT_C MAknListBoxTfxInternal *CAknListLoader::TfxApiInternal(CWindowGc *aGc)

    {

    CAknListLoader *singleton = CAknListLoader::Static();

    if ( singleton && singleton->iListBoxPlugin &&

         singleton->iGcArray.Find( aGc ) != KErrNotFound )

        {

        return singleton->iListBoxPlugin->AknListBoxTfxInternal(aGc);

        }

    return NULL;

    }

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

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

//

EXPORT_C CWindowGc* CAknListLoader::CreateTfxGc( CEikListBox& aListBox )

    {

    CAknListLoader* singleton = CAknListLoader::Static();

    if ( !singleton )

        {

        singleton = new CAknListLoader();

        }

    if( singleton && ( !singleton->iListBoxPlugin ) )

        {

        // load plugin

        TInt err = KErrNone;

        TUid implementationUidCtrl = { KAknListBoxPluginEcomImpl };

        TRAP( err,singleton->iListBoxPlugin = ( MAknListBoxTfxPlugin* )

            REComSession::CreateImplementationL( implementationUidCtrl,

                                    singleton->iListBoxPluginEComDtorUID ) );

        }

    if ( singleton && singleton->iListBoxPlugin &&

         singleton->iGcArray.Reserve( singleton->iGcArray.Count() + 1 ) == KErrNone )

        {

        CWindowGc* ret = singleton->iListBoxPlugin->CreateTfxGc( aListBox );

        if ( ret && ret != aListBox.View()->ItemDrawer()->Gc() )

            {

            singleton->iGcArray.Append( ret );

            return ret;

            }

        }

    return aListBox.View()->ItemDrawer()->Gc();

    }

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

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

//

EXPORT_C CWindowGc *CAknListLoader::CreateTfxGc( CEikMenuPane& aMenuPane,

                                                 TInt& aTopIndex,

                                                 TInt& aItemsThatFitInView )

    {

    CAknListLoader* singleton = CAknListLoader::Static();

    if( !singleton )

        {

        singleton = new CAknListLoader();

        }

    if ( singleton && ( !singleton->iListBoxPlugin ) )

        {

        // load plugin

        TInt err = KErrNone;

        TUid implementationUidCtrl = { KAknListBoxPluginEcomImpl };

        TRAP( err, singleton->iListBoxPlugin = ( MAknListBoxTfxPlugin* )

                            REComSession::CreateImplementationL(

                                    implementationUidCtrl,

                                    singleton->iListBoxPluginEComDtorUID ) );

        }

    CWindowGc* ret = NULL;

    if ( singleton && singleton->iListBoxPlugin &&

         singleton->iGcArray.Reserve( singleton->iGcArray.Count() + 1 )

         == KErrNone )

        {

        ret = singleton->iListBoxPlugin->CreateTfxGc( aMenuPane, aTopIndex,

                                                       aItemsThatFitInView );

        if ( ret )

            {

            singleton->iGcArray.Append( ret );

            }

        }

    return ret;

    }

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

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

//

EXPORT_C CWindowGc *CAknListLoader::CreateTfxGc( CAknTreeList& aTreeList,

                                                 TInt& aTopIndex,

                                                 TInt& aBottomIndex,

                                                 TInt& aHighlightIndex,

                                                 TInt& aRows )

    {

    CAknListLoader* singleton = CAknListLoader::Static();

    if( !singleton )

        {

        singleton = new CAknListLoader();

        }

    if ( singleton && ( !singleton->iListBoxPlugin ) )

        {

        // load plugin

        TInt err = KErrNone;

        TUid implementationUidCtrl = { KAknListBoxPluginEcomImpl };

        TRAP( err, singleton->iListBoxPlugin = ( MAknListBoxTfxPlugin* )

                            REComSession::CreateImplementationL(

                                    implementationUidCtrl,

                                    singleton->iListBoxPluginEComDtorUID ) );

        }

    CWindowGc* ret = NULL;

    if ( singleton && singleton->iListBoxPlugin &&

         singleton->iGcArray.Reserve( singleton->iGcArray.Count() + 1 )

         == KErrNone )

        {

        ret = singleton->iListBoxPlugin->CreateTfxGc( aTreeList, aTopIndex,

                                      aBottomIndex, aHighlightIndex, aRows );

        if ( ret )

            {

            singleton->iGcArray.Append( ret );

            }

        }

    return ret;

    }

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

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

//

EXPORT_C CWindowGc* CAknListLoader::CreateTfxGc( CCoeControl& aAdapter )

    {

    CAknListLoader* singleton = CAknListLoader::Static();

    if( !singleton )

        {

        singleton = new CAknListLoader();

        }

    if ( singleton && !singleton->iListBoxPlugin )

        {

        // load plugin

        TUid implementationUidCtrl = { KAknListBoxPluginEcomImpl };

        TRAP_IGNORE( singleton->iListBoxPlugin = ( MAknListBoxTfxPlugin* )

                            REComSession::CreateImplementationL(

                                    implementationUidCtrl,

                                    singleton->iListBoxPluginEComDtorUID ) );

        }

    if ( singleton && singleton->iListBoxPlugin &&

         singleton->iGcArray.Reserve( singleton->iGcArray.Count() + 1 )

         == KErrNone )

        {

        CWindowGc* ret = singleton->iListBoxPlugin->CreateTfxGc( aAdapter );

        if ( ret )

            {

            singleton->iGcArray.Append( ret );

            return ret;

            }

        }

    return &aAdapter.SystemGc();

    }

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

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

//

EXPORT_C void CAknListLoader::RemoveTfxGc ( CWindowGc* aGc )

    {

    CAknListLoader* singleton = CAknListLoader::Static();

    if( singleton )

        {

        TInt index = singleton->iGcArray.Find( aGc );

        if ( index != KErrNotFound )

            {

            singleton->iGcArray.Remove( index );

            }

        }

    }

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

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

//

EXPORT_C void CAknListLoader::InvalidateAll()

    {

    CAknListLoader* singleton = CAknListLoader::Static();

    if ( singleton )

        {

        for ( TInt i = 0; i < singleton->iGcArray.Count(); i++ )

            {

            MAknListBoxTfxInternal* api = TfxApiInternal( singleton->iGcArray[i] );

            if ( api )

                {

                api->Remove( MAknListBoxTfxInternal:: EListEverything );

                }

            }

        }

    }

#ifdef RD_UI_TRANSITION_EFFECTS_TOUCH_P2

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

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

//

EXPORT_C TInt CAknListLoader::LongTap( MAknListBoxTfxInternal::TLongTapEvent aEvent,

                                       TInt aDuration, const TPoint* aPoint )

    {

    CAknListLoader* singleton = CAknListLoader::Static();

    if ( singleton )

        {

        for ( TInt i = 0; i < singleton->iGcArray.Count(); i++ )

            {

            MAknListBoxTfxInternal* api =

                TfxApiInternal( singleton->iGcArray[i] );

            if ( api && api->LongTap( aEvent, aDuration, aPoint ) == KErrNone )

                {

                return KErrNone;

                }

            }

        }

    return KErrNotReady;

    }

#endif // RD_UI_TRANSITION_EFFECTS_TOUCH_P2

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

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

//

CAknListLoader *CAknListLoader::Static()

    {

    CAknListLoader *singleton = reinterpret_cast<CAknListLoader*>(CCoeEnv::Static(KUid));

    return singleton;

    }

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

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

//

CAknListLoader::CAknListLoader() : CCoeStatic(KUid, -1, CCoeStatic::EThread)

    {

    }

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

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

//

CAknListLoader::~CAknListLoader()

    {

    iGcArray.ResetAndDestroy();

    if(iListBoxPlugin)

        {

        delete iListBoxPlugin;

        REComSession::DestroyedImplementation( iListBoxPluginEComDtorUID );

        }

    }