/*

* Copyright (c) 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:  Find and load plugin

*

*/

#include <aknview.h>

#include "btuipluginman.h"

#include "debug.h"  

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

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

// NewL

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

//

CBTUIPluginMan* CBTUIPluginMan::NewL( CAknViewAppUi* aAppUi )

    {

    CBTUIPluginMan* self = new( ELeave ) CBTUIPluginMan( aAppUi );

    CleanupStack::PushL( self );

    self->ConstructL();

    CleanupStack::Pop( self );

    return self;

    }

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

// Destructor

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

//

CBTUIPluginMan::~CBTUIPluginMan()

    {

    TRACE_FUNC_ENTRY

    iPluginInfoArray.ResetAndDestroy();

    iPluginInfoArray.Close();

    iPluginArray.Reset();//Do not destroy - Plugins are owned by iAppUi

    TRACE_FUNC_EXIT

    }

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

// Check if availability of some plug-in

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

//

TBool CBTUIPluginMan::IsPluginAvaiable(TBTDeviceClass aDeviceClassInfo)

	{

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

		{

		TBTDeviceClass devClass = iPluginArray[i]->GetCOD(); 

		if( devClass.MajorDeviceClass() == aDeviceClassInfo.MajorDeviceClass() && 

			devClass.MinorDeviceClass() == aDeviceClassInfo.MinorDeviceClass() )

			return ETrue;

		}

	return EFalse;

	}

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

// Get the setting view from PluginArrary based on the COD 

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

//

CAknView* CBTUIPluginMan::GetSettingViewL(TBTDevice& aDevice)

	{

	for (TInt ii = 0; ii < iPluginArray.Count(); ii++ )

		{

		TBTDeviceClass tmpCOD = iPluginArray[ii]->GetCOD();

		//Currently one device - one view - one plugin, 

		//in future maybe other device properties will decide on getting the view. 

		if(aDevice.iDeviceClass.MajorDeviceClass() == tmpCOD.MajorDeviceClass() &&

				aDevice.iDeviceClass.MinorDeviceClass() == 	tmpCOD.MinorDeviceClass())

			{

			return (CAknView*)iPluginArray[ii];

			}

		}

	return NULL;	

	}

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

// C++ default constructor

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

//

CBTUIPluginMan::CBTUIPluginMan( CAknViewAppUi* aAppUi )

    : iAppUi(aAppUi)

    {

    }

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

// Symbian 2nd-phase constructor

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

//

void CBTUIPluginMan::ConstructL()

    {   

    LoadPluginsL();

    }

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

// Load ECom plug-ins

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

//

void CBTUIPluginMan::LoadPluginsL()

	{

	TRACE_FUNC_ENTRY

	REComSession::ListImplementationsL( KCBtuiPluginInterfaceUid, iPluginInfoArray );

	TInt count = iPluginInfoArray.Count();

	TRACE_INFO( ( _L( "[BTUI]\t CBTUIPluginMan::LoadSettingPluginL() PluginArray count=%d" ), count) )

    iPluginArray.Reset();

	for ( TUint ii = 0 ; ii < count; ++ii )

		{

		CImplementationInformation* impl = iPluginInfoArray[ii];

		//Only append the plugins which datatype() is for HID devices. 

	    if(impl->DataType().Length())

	    	{

	    	TLex8 lex( impl->DataType() );

	    	TUint major = 0, minor = 0;

	    	TInt err1 = lex.Val(major, EHex);

	    	lex.SkipSpace();

	    	TInt err2 = lex.Val(minor, EHex);

	    	if( !err1 && !err2)

	    	    {

	    	    TRACE_INFO( ( _L( "[BTUI]\t CBTUIPluginMan::LoadSettingPluginL() MajorCOD=%d MinorCOD=%d" ), major, minor) )

 	            TBTDeviceClass cod(0x00, major, minor);

	    	    CBtuiPluginInterface* plugin = NULL;

	    	    TRAPD( ret, plugin = CBtuiPluginInterface::NewL( impl->ImplementationUid() ) );

	    	    if( !ret )

	    	        {

	    	        CleanupStack::PushL(plugin);

	    	        // Transfer the ownership to AppUi

	    	        iAppUi->AddViewL( (CAknView*)plugin ); 

	    	        plugin->SetCOD(cod);

	    	        iPluginArray.AppendL(plugin);

	    	        CleanupStack::Pop(plugin);              

	    	        }	    	        

	    	    }

	        }

		}

	TRACE_FUNC_EXIT

	}