alfwidgetutils/src/alfwidgetfactoryloaderimpl.cpp
author Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
Thu, 17 Dec 2009 08:56:02 +0200
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/*
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* Copyright (c) 2007 Nokia Corporation and/or its subsidiary(-ies). 
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* All rights reserved.
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* This component and the accompanying materials are made available
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* under the terms of "Eclipse Public License v1.0"
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* which accompanies this distribution, and is available
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* at the URL "http://www.eclipse.org/legal/epl-v10.html".
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*
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* Initial Contributors:
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* Nokia Corporation - initial contribution.
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*
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* Contributors:
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*
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* Description:  Encapsulates factory plugin loading mechanism
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*
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*/
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#include <ecom/ecom.h>
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//#include <alf/alfecompluginfactoryuid.rh>
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#include <alf/ialfwidgetfactory.h>
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#include <alf/ialffactoryplugin.h>
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#include <osn/osnnew.h>
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#include "alf/alfecompluginfactoryuid.rh"
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#include "alfwidgetfactoryloaderimpl.h"
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using namespace std;
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namespace Alf
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    {
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static const char* const KWidgetFactory ="alfwidgetfactory";
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const int KPluginIuid = 0x11201113;
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AlfWidgetFactoryLoaderImpl::AlfWidgetFactoryLoaderImpl():
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        mFactoryPlugin(0),
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        mWidgetFactory(0),
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        mDtorKey(0)
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    {
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    }
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AlfWidgetFactoryLoaderImpl::~AlfWidgetFactoryLoaderImpl()
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    {
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    delete mWidgetFactory;
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    if (mFactoryPlugin)
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        {
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        delete mFactoryPlugin;
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        REComSession::DestroyedImplementation(TUid::Uid(mDtorKey));
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        }
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    }
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IAlfWidgetFactory* AlfWidgetFactoryLoaderImpl::load(CAlfEnv& aEnv)
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    {
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    if (!mWidgetFactory)
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        {
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        TEComResolverParams resolverParams;
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        resolverParams.SetDataType(TPtrC8((TUint8*)KWidgetFactory));
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        resolverParams.SetWildcardMatch(ETrue);
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        TAny* plugin = NULL;
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        TUid tmpDtor;
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        TRAPD(err,plugin = REComSession::CreateImplementationL(
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                               TUid::Uid(KPluginIuid),tmpDtor,
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                               resolverParams))
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        if (!err)
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            {
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            mDtorKey = tmpDtor.iUid;
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            mFactoryPlugin = reinterpret_cast<IAlfFactoryPlugin*>(plugin);
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            IAlfInterfaceBase* tmp(0);
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            tmp = mFactoryPlugin->createProduct(KWidgetFactory,&aEnv);
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            mWidgetFactory = 
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                IAlfInterfaceBase::makeInterface<IAlfWidgetFactory>(tmp);
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            }
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        }
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    return mWidgetFactory;
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    }
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    }
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// End of File
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