convergedcallengine/cce/src/ccceextension.cpp
author Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
Fri, 19 Mar 2010 09:40:14 +0200
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permissions -rw-r--r--
Revision: 201007 Kit: 201011
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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:  Handles Extension interfaces
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*
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*/
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//  INCLUDE FILES
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#include "cccepluginmanager.h"
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#include "ccceextension.h"
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#include "cccelogger.h"
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#include "mcceextensionobserver.h"
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#include "mccpextensionprovider.h"
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#include "cconvergedcallprovider.h"
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// ======== MEMBER FUNCTIONS ========
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// -----------------------------------------------------------------------------
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// NewL()
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// -----------------------------------------------------------------------------
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//
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CCCEExtension* CCCEExtension::NewL( CCCEPluginManager& aPluginManager )
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    {
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    CCCEExtension* self = new (ELeave) CCCEExtension( aPluginManager );
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    CleanupStack::PushL(self);
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    self->ConstructL();
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    CleanupStack::Pop(self);
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    return self;
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    }
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// -----------------------------------------------------------------------------
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// CCCEDtmf()
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// -----------------------------------------------------------------------------
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//
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CCCEExtension::CCCEExtension( CCCEPluginManager& aPluginManager ):
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    iPluginManager( aPluginManager )
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    {
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    }
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// -----------------------------------------------------------------------------
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// ConstructL()
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// -----------------------------------------------------------------------------
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//
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void CCCEExtension::ConstructL()
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    {
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    }
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// -----------------------------------------------------------------------------
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// ~CCCEExtension()
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// -----------------------------------------------------------------------------
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//
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CCCEExtension::~CCCEExtension()
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    {
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    }
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// -----------------------------------------------------------------------------
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// AddObserverL( MCCEDtmfObserver& aObserver )
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// -----------------------------------------------------------------------------
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//
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void CCCEExtension::AddObserverL( const MCCEExtensionObserver& aObserver )
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    {
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    // add support for more than one observer later on. Only one is used at the moment. Last one 
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    // given is used.
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    iMCCEExtensionObserver = const_cast<MCCEExtensionObserver*>(&aObserver);
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    }
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// -----------------------------------------------------------------------------
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// RemoveObserver( MCCEDtmfObserver& aObserver )
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// -----------------------------------------------------------------------------
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//
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TInt CCCEExtension::RemoveObserver( const MCCEExtensionObserver& /*aObserver*/ )
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    {
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    // add support for more than one observer later on. Only one is used at the moment. Last one 
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    // given is used.
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    if( !iMCCEExtensionObserver )
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        {
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        return KErrNotFound;
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        }
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    iMCCEExtensionObserver = NULL;
0
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    return KErrNone;
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    }
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// -----------------------------------------------------------------------------
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// RequestCommand()
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// -----------------------------------------------------------------------------
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//
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TInt CCCEExtension::RequestCommand( TUint32 aServiceId,
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                                    TInt aRequestId, 
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                                    TDesC8& aData )
0
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    {
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    CCELOGSTRING3("CCCEExtension::RequestCommand(): Service id=%d Request id=%d", aServiceId, aRequestId );
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    CConvergedCallProvider* plugin = GetExtIfPlugin(aServiceId);
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    if( !plugin )
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        {
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        CCELOGSTRING("CCCEExtension::RequestCommand(): Plug-in for service-id was not found. Returning KErrNotFound" );
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        return KErrNotFound;
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        }
0
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    MCCPExtensionProvider* extif = NULL;
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    TRAPD( err, extif = plugin->ExtensionProviderL(*this) );
0
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    if( err!=KErrNone )
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        {
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        CCELOGSTRING2("CCCEExtension::RequestCommand(): Plug-in was found, but extension interface get failed with error=%d", err );
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        return err;
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        }
0
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    if( extif )
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        {
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        extif->RequestCommand(aRequestId,aData);
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        }
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    else
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        {
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        CCELOGSTRING("CCCEExtension::RequestCommand() Plug-in extension interface was found, but extensions are not supported. Returning KErrNotSupported" );
0
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        return KErrNotSupported;
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        }
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    return KErrNone;
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    }
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// -----------------------------------------------------------------------------
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// CancelRequest()
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// -----------------------------------------------------------------------------
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//
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TInt CCCEExtension::CancelRequest( TUint32 aServiceId,
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                                   TInt aRequestId )
0
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    {
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    CCELOGSTRING3("CCCEExtension::CancelRequest(): Service id=%d Request id=%d", aServiceId, aRequestId );
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    CConvergedCallProvider* plugin = GetExtIfPlugin(aServiceId);
0
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12
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    if( !plugin )
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        {
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        CCELOGSTRING("CCCEExtension::CancelRequest(): Plug-in for service-id was not found. Returning KErrNotFound" );
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        return KErrNotFound;
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        }
0
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    MCCPExtensionProvider* extif = NULL;
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    TRAPD( err, extif = plugin->ExtensionProviderL(*this) );
0
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    if( err!=KErrNone )
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        {
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        CCELOGSTRING2("CCCEExtension::CancelRequest(): Plug-in was found, but extension interface get failed with error=%d", err );
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        return err;
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        }
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0
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    if( extif )
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        {
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        extif->CancelRequest(aRequestId);
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        }
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    else
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        {
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        CCELOGSTRING("CCCEExtension::CancelRequest() Plug-in extension interface was found, but extensions are not supported. Returning KErrNotSupported" );
0
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        return KErrNotSupported;
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        }
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    return KErrNone;
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    }
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// -----------------------------------------------------------------------------
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// HandleExtensionEvents()
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// -----------------------------------------------------------------------------
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//
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void CCCEExtension::HandleExtensionEvents( TUint32 aServiceId,
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                                           TInt aEvent,
0
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                                           TInt aStatus )
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    {
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    CCELOGSTRING3("CCCEExtension::HandleExtensionEvents(): Service id=%d Event=%d", aServiceId, aEvent );
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    CCELOGSTRING2("CCCEExtension::HandleExtensionEvents(): Status=%d", aStatus );
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    if( iMCCEExtensionObserver )
12
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        {
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        iMCCEExtensionObserver->HandleExtensionEvents(aServiceId,aEvent,aStatus);
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        }
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    else
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        {
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        CCELOGSTRING("CCCEExtension::HandleExtensionEvents(): No observer was set, ignoring no event was notified!" );
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        }
0
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    }
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// -----------------------------------------------------------------------------
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// HandleExtensionEvents()
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// -----------------------------------------------------------------------------
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//
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CConvergedCallProvider* CCCEExtension::GetExtIfPlugin( TUint32 aServiceId )
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    {
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    CConvergedCallProvider* provider = NULL;
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    TRAP_IGNORE( provider = iPluginManager.GetPluginL( aServiceId ) );
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12
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    return provider;
0
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    }
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// end of file