/*

* 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:     Screensaver GifAnimation plug-in implementation source file

*

*/

#include <e32std.h>

#include <eikenv.h>

#include <barsread.h>

#include <fbs.h>

#include <gdi.h>

#include <f32file.h>

#include "GifAnimationPlugin.h"

#include "GifAnimationUtils.h"

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

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

// Instance factory.

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

//

CGifAnimationPlugin* CGifAnimationPlugin::NewL( NPP anInstance )

    {

    DBG_TRACE_FN_BEGIN;        

    CGifAnimationPlugin *self = new (ELeave) CGifAnimationPlugin;

    CleanupStack::PushL( self );

    self->Construct( anInstance );

    CleanupStack::Pop();

    DBG_TRACE_FN_END;

    return self;

    }

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

// Destructor

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

//

CGifAnimationPlugin::~CGifAnimationPlugin()

    {

    DBG_TRACE_FN_BEGIN;        

    if ( iControl )

        {

        delete iControl;

        iControl=NULL;

        }

    DBG_TRACE_FN_END;

    }

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

// Notifies host that plug-in has finished.

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

//

void CGifAnimationPlugin::PrepareToExitL()

    {

    DBG_TRACE_FN_BEGIN;        

    if ( iPluginAdapter )

        {

        CCoeControl* aParentControl = iPluginAdapter->GetParentControl();

        if ( iControl != NULL )

            {

            // will free resources, if file was loaded but was not stopped

            iControl->StopAnimation();

            }

        iPluginAdapter->PluginFinishedL();

        }

    DBG_TRACE_FN_END;

    }

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

// 2nd phase constructor.

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

//

void CGifAnimationPlugin::Construct( NPP anInstance )

    {

    DBG_TRACE_FN_BEGIN;        

    iInstance=anInstance;

    DBG_TRACE_FN_END;

    }

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

// Sets the parent window to plug-in. If already set, only updates size.

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

//

void CGifAnimationPlugin::SetWindowL( const NPWindow *aWindow, 

                                      const TRect& aRect )

    {

    DBG_TRACE_FN_BEGIN;        

    iPluginAdapter = static_cast<MPluginAdapter*>( aWindow->window );

    CCoeControl* aParentControl = iPluginAdapter->GetParentControl();

    if ( iControl == NULL )

        {

        iControl = CGifAnimationPluginControl::NewL( aParentControl, 

													 iPluginAdapter );

        iPluginAdapter->PluginConstructedL( iControl );

        }

    if ( iControl != NULL )

        {

        iControl->SetRect( aRect );

        }

    DBG_TRACE_FN_END;

    }

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

// Returns pointer on instance of CGifAnimationPluginControl

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

//

CGifAnimationPluginControl* CGifAnimationPlugin::Control()

    {

    DBG_TRACE_FN_BEGIN;        

    ASSERT( iControl );

    DBG_TRACE_FN_END;

    return iControl;

    }

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

// Returns pointer on NPP instance

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

//

NPP CGifAnimationPlugin::Instance()

    {

    DBG_TRACE_FN_BEGIN;        

    ASSERT( iInstance );

    DBG_TRACE_FN_END;

    return iInstance;

    }