/*

* 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:  SVGT Plugin Implementation source file

 *

*/

#include <SVGTUIDialog.hrh>

#include <eikenv.h>

#include "Svgtplugin.h"

#include "SvgRenderFrameControl.h"

#include "SvgScreenSaver.h"

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

// SvgtPluginNewp

// Creates the plugin.

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

//

NPError SvgtPluginNewp(NPMIMEType /*pluginType*/,

                       NPP aInstance, 

                       uint16 /*mode*/, 

                       CDesCArray* /*argn*/, 

                       CDesCArray* /*argv*/, 

                       NPSavedData* /*saved*/)

    {

    CSvgtPlugin* lSvgtPlugin=NULL;

    TRAPD(err,lSvgtPlugin=CSvgtPlugin::NewL(aInstance));

    if (err == KErrNoMemory)

        {

        return NPERR_OUT_OF_MEMORY_ERROR;

        }

    if (err != KErrNone)

        {

        return NPERR_MODULE_LOAD_FAILED_ERROR;

        }

    if ( aInstance )

        {

        aInstance->pdata = (void *) lSvgtPlugin;        

        }

    else

        {

        return NPERR_INVALID_INSTANCE_ERROR;

        }

    return NPERR_NO_ERROR;

    }

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

// SvgtPluginDestroy

// Destroy a plugin.

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

//

NPError SvgtPluginDestroy(NPP aInstance, NPSavedData** /*save*/)

    {

    if ( !aInstance )

        {

        return NPERR_GENERIC_ERROR;

        }

    CSvgtPlugin* lSvgtPlugin = (CSvgtPlugin *)aInstance->pdata;

    if ( lSvgtPlugin )

        {

        TRAPD(err,lSvgtPlugin->PrepareToExitL());

        if (err != KErrNone)

            {

            #ifdef _DEBUG

            RDebug::Print(_L("SvgtPluginDestroy Error when printing Warning"));

            #endif //_DEBUG

            }

        /**Ignoring the error*/

        delete lSvgtPlugin;

        lSvgtPlugin = NULL;

        }

    return NPERR_NO_ERROR;

    }

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

// SvgtPluginSetWindow

// This sets the parent window of a plugin.

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

//

NPError SvgtPluginSetWindow(NPP aInstance, NPWindow* aWindow)

    {

    if ( !aInstance )

        {

        return NPERR_INVALID_INSTANCE_ERROR;

        }

    if ( !aWindow )

        {

        return NPERR_GENERIC_ERROR; 

        }

    CSvgtPlugin* lSvgtPlugin = (CSvgtPlugin *) aInstance->pdata;

    TUint lWidth = aWindow->width;

    TUint lHeight = aWindow->height;

    TRAPD(err,lSvgtPlugin->SetWindowL(aWindow,TRect(TSize(lWidth,lHeight))));

    if (err == KErrNoMemory)

        {

        return NPERR_OUT_OF_MEMORY_ERROR;

        }

    if (err != KErrNone)

        {

        return NPERR_GENERIC_ERROR;

        }

    return NPERR_NO_ERROR;

    }

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

// SvgtPluginAsFile

// The name of the SVG file is set by AsFile

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

//

void SvgtPluginAsFile(NPP aInstance, NPStream* /*stream*/, const TDesC& aFname)

    {

    CSvgtPlugin* lSvgtPlugin = (CSvgtPlugin*)aInstance->pdata;

    TInt err = lSvgtPlugin->Control()->AsFile(aFname);

    if ( err != KErrNone )

        {

        // Destroy myself

        SvgtPluginDestroy( aInstance, NULL );

        }

    }

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

// SvgtPluginGetValue

// Generic hook to retrieve values/attributes from the plugin.

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

//

NPError SvgtPluginGetValue(NPP aInstance, 

                           NPPVariable aVariable, 

                           void* aRetvalue)

    {

    TInt ret = NPERR_NO_ERROR;

    if ( !aInstance )

        {

        ret = NPERR_INVALID_INSTANCE_ERROR;

        }

    CSvgtPlugin* lSvgtPlugin = (CSvgtPlugin *)aInstance->pdata;       

    if ( lSvgtPlugin && aRetvalue )

        {        

        if ( aVariable == NPPCheckFileIsValid )

            {             

            NPCheckFile* checkFile = (NPCheckFile*)aRetvalue;

            checkFile->fileValidityCheckError = KErrNone;     

            TRAPD(err, SvgtPluginCheckFileL( aRetvalue ) );

            if ( err != KErrNone )

                {

                ret=  NPERR_GENERIC_ERROR;

                }

            ret = NPERR_NO_ERROR;

            }    

        if ( aVariable == NPPScreenSaverGetLastError )

            { 

            TInt* error = (TInt*)aRetvalue;

            *error = lSvgtPlugin->Control()->GetLastError();

            ret =  NPERR_NO_ERROR;

            }               

        }

    else

        {

        ret =  NPERR_GENERIC_ERROR;

        }

    return ret;

    }

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

// SvgtPluginCheckFileL

// Helper function used to check the file's validity

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

//

void SvgtPluginCheckFileL( void* aRetvalue )

    {

    if ( !aRetvalue )

        {

        User::Leave( KErrArgument );

        }

    NPCheckFile* checkFile = (NPCheckFile*)aRetvalue;    

    TFileName fileName = checkFile->fileName->Des();

    RFile fileHandle;

    TInt err = fileHandle.Open( CEikonEnv::Static()->FsSession(), 

                                 fileName, 

                                 EFileShareAny );

    User::LeaveIfError( err );

    CleanupClosePushL( fileHandle );

    CSvgRenderFrameControl* control = new ( ELeave )

                      CSvgRenderFrameControl( fileHandle );

    CleanupStack::PushL( control );                      

    TRAP( err, control->InitializeEngineL( ETrue, control ) ); /* CheckFile Mode */

    checkFile->fileValidityCheckError = err;

    CleanupStack::PopAndDestroy( control );

    CleanupStack::PopAndDestroy(&fileHandle); 

    }

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

// SvgtPluginSetValue

// Generic hook to set values/attributes within the plugin.

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

//

NPError SvgtPluginSetValue(NPP aInstance, 

                           NPNVariable aVariable, 

                           void* aRetvalue)

    {

    TInt ret = NPERR_NO_ERROR;

    if ( !aInstance )

        {

        ret = NPERR_INVALID_INSTANCE_ERROR;

        }

    CSvgtPlugin* lSvgtPlugin = (CSvgtPlugin *)aInstance->pdata;    

    if ( lSvgtPlugin )

        {

        switch( aVariable )

            {

            case NPNInteractionMode:

            // do nothing

            break;

            case NPNScreenSaverAnimationEvent:

                {

                NPAnimationEvent animEvent = ( NPAnimationEvent )

                                    (*(NPAnimationEvent*)aRetvalue);

                if ( animEvent == NPStartAnimation )

                    {

                    // Make the control Visible

                    lSvgtPlugin->Control()->MakeVisible( ETrue );

                    TRAPD(err, lSvgtPlugin->Control()->

                          SendCommandL(ESvgtDlgLoopOnCommand));

                    if ( err != KErrNone )

                        {

                        ret = NPERR_GENERIC_ERROR;            

                        }                                               

                    // Start the animation

                    TRAP( err, lSvgtPlugin->Control()->

                          SendCommandL( ESvgtDlgPlayCommand ) );

                    if ( err != KErrNone )

                        {

                        ret = NPERR_GENERIC_ERROR;

                        }        

                    }

                if ( animEvent == NPEndAnimation )

                    {

                    // Make the control invisible

                    lSvgtPlugin->Control()->MakeVisible( EFalse );

                    // Stop the animation

                    TRAPD( err, lSvgtPlugin->Control()->

                        SendCommandL( ESvgtDlgPauseCommand ) );

                    if ( err != KErrNone )

                        {

                        ret= NPERR_GENERIC_ERROR;            

                        }

                    }        

                }

            break;

            }       

        }

    return ret;

    }

// End of File