/*

* Copyright (c) 2002-2008 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:  Loads the browser plugin via ECOM.

*

*/

// INCLUDE FILES

#include    "xnnppluginhandler.h"

#include    <ecom/implementationinformation.h>

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

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

// ParseAndMatchMimeTypeL Parses the matching mime types from the.given string.

// Returns: TDesC8&: String that holds the mime types.

//          TDesC8&: Mime type to match with.

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

//

TBool ParseAndMatchMimeTypeL(

    const TDesC8& aMIMEDescription,

    const TDesC8& aMatch )

    {

    _LIT(KPatternPtr, ";|");

    TUint    end = aMIMEDescription.Length();

    TUint    i = 0;

    TUint    marker = 0;

    TUint    mimeSeparator = '|';

    // Parse the aMIMEDescription string.

    for (; i < end;)

        {

        // Search until end of buffer or match one of the delimiters ';' or '|'.

        // We are looking for the mimeType, ie "text/html", "application/pdf", etc.

        for (; (i < end) && (KPatternPtr().Locate((aMIMEDescription)[i]) == 

                             KErrNotFound); i++)

            {

            // Walking the aMIMEDescription string

            }

        if (i > marker)

            {

            // Try matching the found mime type with the given type.

            TPtrC8 newString( aMIMEDescription.Mid(marker, i - marker ).Ptr(), i - marker );

            if( newString == aMatch )

                {

                return ETrue;

                }

            }

        // Are we at the end of the supported mime string

        if (i == end)

            {

            // This break with i=end means we leave outer for loop

            break;

            }

        marker = ++i;

        if ((aMIMEDescription)[i - 1] == mimeSeparator)

            {

            // Found a mime separator '|', get next supported mime

            continue;

            }        

        }   // end of for

        return EFalse;

    }

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

// PluginWrapperGetUrl

// Unsupported.

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

//

static NPError PluginWrapperGetUrl(NPP /*aInstance*/, const TDesC& /*aUrl*/, 

        const TDesC* /*aWindowType*/ )

    {

    return NPERR_GENERIC_ERROR;

    }

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

// PluginWrapperPostUrl

// Unsupported.

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

//

static NPError PluginWrapperPostUrl(NPP /*aInstance*/, const TDesC& /*aUrl*/, 

        const TDesC* /*aWindowType*/, const TDesC& /*aBuf*/, NPBool /*aFile*/)

    {

    return NPERR_GENERIC_ERROR;

    }

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

// PluginWrapperRequestRead

// Unsupported.

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

//

static NPError PluginWrapperRequestRead(NPStream* /*aStream*/, 

        NPByteRange* /*aRangeList*/)

    {

    return NPERR_GENERIC_ERROR;

    }

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

// PluginWrapperNewStream

// Unsupported.

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

//

static NPError PluginWrapperNewStream(NPP /*aInstance*/, NPMIMEType /*aType*/, 

        const TDesC* /*aWindowType*/, NPStream** /*aStream*/)

    {

    return NPERR_GENERIC_ERROR;

    }

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

// PluginWrapperWrite

// Unsupported.

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

//

static TInt32 PluginWrapperWrite(NPP /*aInstance*/, NPStream* /*aStream*/, 

        TInt32 /*aLen*/, void* /*aBuffer*/)

    {

    return NPERR_GENERIC_ERROR;

    }

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

// PluginWrapperDestroyStream

// Unsupported.

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

//

static NPError PluginWrapperDestroyStream(NPP /*aInstance*/, 

        NPStream* /*aStream*/, NPReason /*aReason*/)

    {

    return NPERR_GENERIC_ERROR;

    }

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

// PluginWrapperStatus

// Unsupported.

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

//

static void PluginWrapperStatus(NPP /*aInstance*/, const TDesC& /*aMessage*/)

    {

    }

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

// PluginWrapperUAgent

// Unsupported.

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

//

static const TDesC* PluginWrapperUAgent(NPP /*aInstance*/)

    {

    return NULL;

    }

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

// PluginWrapperMemAlloc

// Unsupported.

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

//

static void* PluginWrapperMemAlloc( uint32 /*aSize*/ )

    {

    return NULL;

    }

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

// PluginWrapperMemFree

// Unsupported.

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

//

static void PluginWrapperMemFree( void* aPtr )

    {

    delete aPtr;

    }

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

// PluginWrapperMemFlush

// Unsupported.

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

//

static uint32 PluginWrapperMemFlush(uint32 /*aSize*/)

    {

    return NPERR_GENERIC_ERROR;

    }

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

// PluginWrapperReloadPlugins

// Unsupported.

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

//

static void PluginWrapperReloadPlugins(NPBool /*aReloadPages*/)

    {

    }

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

// PluginWrapperGetJavaEnv

// Unsupported.

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

//

static JRIEnv* PluginWrapperGetJavaEnv()

    {

    return NULL;

    }

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

// PluginWrapperGetJavaPeer

// Unsupported.

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

//

static jref PluginWrapperGetJavaPeer(NPP /*aInstance*/)

    {

    return NULL;

    }

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

// PluginWrapperGetUrlNotify

// Unsupported.

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

//

static NPError PluginWrapperGetUrlNotify(NPP /*aInstance*/, const TDesC& /*aUrl*/, 

        const TDesC* /*aWindowType*/, void* /*aNotifyData*/)

    {

    return NPERR_GENERIC_ERROR;

    }

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

// PluginWrapperPostUrlNotify

// Unsupported.

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

//

static NPError PluginWrapperPostUrlNotify(NPP /*aInstance*/, const TDesC& /*aUr*l*/, 

        const TDesC* /*aWindowType*/, const TDesC& /*aBuf*/, NPBool /*aFile*/, void* /*aNotifyData*/)

    {

    return NPERR_GENERIC_ERROR;

    }

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

// PluginWrapperGetValue

// Unsupported.

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

//

static NPError PluginWrapperGetValue(NPP /*aInstance*/, NPNVariable /*aVariable*/, 

        void* /*aRetValue*/)

    {

    return NPERR_NO_ERROR;

    }

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

// PluginWrapperSetValue

// Unsupported.

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

//

static NPError PluginWrapperSetValue(NPP /*aInstance*/, NPPVariable /*aVariable*/, 

        void * /*aRetValue*/)

    {

    return NPERR_GENERIC_ERROR;

    }

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

// PluginWrapperInvalidateRect

// Unsupported.

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

//

static void PluginWrapperInvalidateRect(NPP /*aInstance*/, NPRect * /*aRect*/)

    {

    }

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

// PluginWrapperInvalidateRegion

// Unsupported.

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

//

static void PluginWrapperInvalidateRegion(NPP /*aInstance*/, NPRegion /*aRegion*/)

    {

    }

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

// PluginWrapperForceRedraw

// Unsupported.

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

//

static void PluginWrapperForceRedraw(NPP /*aInstance*/)

    {

    }

const NPNetscapeFuncs PluginWrapperFuncs =

    {

    sizeof(NPNetscapeFuncs),

    1,

    PluginWrapperGetUrl,

    PluginWrapperPostUrl,

    PluginWrapperRequestRead,

    PluginWrapperNewStream,

    PluginWrapperWrite,

    PluginWrapperDestroyStream,

    PluginWrapperStatus,

    PluginWrapperUAgent,

    PluginWrapperMemAlloc,

    PluginWrapperMemFree,

    PluginWrapperMemFlush,

    PluginWrapperReloadPlugins,

    PluginWrapperGetJavaEnv,

    PluginWrapperGetJavaPeer,

    PluginWrapperGetUrlNotify,

    PluginWrapperPostUrlNotify,

    PluginWrapperGetValue,

    PluginWrapperSetValue,

    PluginWrapperInvalidateRect,

    PluginWrapperInvalidateRegion,

    PluginWrapperForceRedraw

    };

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

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

// CXnNPPluginHandler::CXnNPPluginHandler

// C++ default constructor can NOT contain any code, that

// might leave.

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

//

CXnNPPluginHandler::CXnNPPluginHandler()

    {

    }

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

// CXnNPPluginHandler::ConstructL

// Symbian 2nd phase constructor can leave.

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

//

void CXnNPPluginHandler::ConstructL()

    {

    }

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

// CXnNPPluginHandler::NewL

// Two-phased constructor.

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

//

CXnNPPluginHandler* CXnNPPluginHandler::NewL()

    {

    CXnNPPluginHandler* self = new( ELeave ) CXnNPPluginHandler;

    CleanupStack::PushL( self );

    self->ConstructL();

    CleanupStack::Pop();

    return self;

    }

// Destructor

CXnNPPluginHandler::~CXnNPPluginHandler()

    {

    delete iPluginInterface;

    }

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

// CXnNPPluginHandler::LoadSpecificPluginL

// (other items were commented in a header).

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

// 

TInt CXnNPPluginHandler::LoadSpecificPluginL(

    const TDesC8& aResolveparam,

    NPPluginFuncs** aPluginFuncs )

    {

    RImplInfoPtrArray implInfoArray;

    CImplementationInformation* impl = NULL;

    REComSession::ListImplementationsL( KBrowserPluginInterfaceUid, implInfoArray );     

    TBool implFound( EFalse );

    TInt count = implInfoArray.Count();

    for(TInt index = 0; index < count; ++index )

        {

        impl = implInfoArray[index];

        if( ParseAndMatchMimeTypeL( impl->DataType(), aResolveparam ) )

            {

            implFound = ETrue;

            break;

            }

        }

    if( !implFound )

        {

        implInfoArray.ResetAndDestroy();

        implInfoArray.Close();

        return KErrNotFound;

        }

    NPPluginFuncs* pluginFuncs = (NPPluginFuncs*) User::AllocLC(sizeof (NPPluginFuncs));

    Mem::FillZ((void*) pluginFuncs, sizeof (NPPluginFuncs));

    iPluginInterface = CEcomBrowserPluginInterface::CreatePluginL( 

         impl->ImplementationUid(),(NPNetscapeFuncs *) (&PluginWrapperFuncs), pluginFuncs );

    CleanupStack::Pop(pluginFuncs);

    *aPluginFuncs = pluginFuncs;

    pluginFuncs = NULL;

    implInfoArray.ResetAndDestroy();

    implInfoArray.Close();

    return KErrNone;

    }

//  End of File