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/*
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* Copyright (c) 2007-2008 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: event handler class
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*
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*/
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#include <liwservicehandler.h>
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#include "hneventhandler.h"
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#include "hnmdmodel.h"
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#include "hnglobals.h"
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#include "hnconvutils.h"
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#include "hnliwutils.h"
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#include "hnmdbasekey.h"
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#include "hncontrollerinterface.h"
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#include "hnactionmodel.h"
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#include "hnservicehandler.h"
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#include "menudebug.h"
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// ============================ MEMBER FUNCTIONS =============================
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// ---------------------------------------------------------------------------
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// Safe constructor. Initializes refrerece to the Meta Data Model in which
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// the event-to-action mappings are stored.
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// ---------------------------------------------------------------------------
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//
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CHnEventHandler::CHnEventHandler( MHnMdModelEventObserver& aModelObserver,
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MHnControllerInterface& aController ):
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iEventObserver( aModelObserver), iControllerInterface( aController )
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{
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}
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// ---------------------------------------------------------------------------
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//
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// ---------------------------------------------------------------------------
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//
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CHnEventHandler::~CHnEventHandler()
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{
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delete iServiceHandler;
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}
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// ---------------------------------------------------------------------------
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//
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// ---------------------------------------------------------------------------
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//
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CHnEventHandler* CHnEventHandler::NewLC(
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MHnMdModelEventObserver& aModelObserver,
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MHnControllerInterface& aController )
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{
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CHnEventHandler* self =
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new (ELeave)CHnEventHandler( aModelObserver, aController );
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CleanupStack::PushL(self);
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self->ConstructL();
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return self;
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}
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// ---------------------------------------------------------------------------
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//
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// ---------------------------------------------------------------------------
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//
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CHnEventHandler* CHnEventHandler::NewL(
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MHnMdModelEventObserver& aModelObserver,
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MHnControllerInterface& aController )
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{
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CHnEventHandler* self=CHnEventHandler::NewLC( aModelObserver,
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aController );
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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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//
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// ---------------------------------------------------------------------------
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//
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void CHnEventHandler::ConstructL()
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{
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}
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// ---------------------------------------------------------------------------
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//
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// ---------------------------------------------------------------------------
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//
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TInt CHnEventHandler::ExecuteStandardActionL( CHnActionModel* aActionModel )
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{
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const TDesC8& service = aActionModel->Service();
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const TDesC8& interface = aActionModel->Interface();
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const TDesC8& commandName = aActionModel->CommandName();
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const TServiceMode mode = aActionModel->ServiceMode();
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CLiwGenericParamList* constructor = aActionModel->ConstructorLC();
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CLiwGenericParamList* serviceCommand = aActionModel->CommandLC();
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if ( iServiceHandler && ( iIsExecutingStandardAsyncAction
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|| !iServiceHandler->ServiceHandlerMatchesModel(
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service, interface, constructor ) ) )
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{
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delete iServiceHandler; // this will cancel async. action execution
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iServiceHandler = NULL;
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iIsExecutingStandardAsyncAction = EFalse;
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}
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if ( !iServiceHandler )
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{
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iServiceHandler = CHnServiceHandler::NewL( service, interface,
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commandName, mode, constructor, serviceCommand );
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CleanupStack::Pop( serviceCommand );
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CleanupStack::Pop( constructor );
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}
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else
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{
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iServiceHandler->PrepareForNextExecutionL(
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commandName, mode, serviceCommand );
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CleanupStack::Pop( serviceCommand );
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CleanupStack::PopAndDestroy( constructor );
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constructor = NULL;
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}
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__ASSERT_DEBUG( !iIsExecutingStandardAsyncAction, User::Invariant() );
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if ( mode == EServiceModeAsynchronous )
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{
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iIsExecutingStandardAsyncAction = ETrue;
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}
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TInt res = iServiceHandler->ExecuteL( this, 0 );
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return res;
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}
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// ---------------------------------------------------------------------------
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//
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// ---------------------------------------------------------------------------
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//
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TInt CHnEventHandler::ExtractUidFromActionL( const TDesC8& aInterface,
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TUid& aUid )
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{
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DEBUG16(("_MM_: CHnEventHandler::ExtractUidFromActionL UIext - uid %S",
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&aInterface ));
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TLex8 lex( aInterface );
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lex.Inc( 2 );
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return lex.Val( (TUint32 &) aUid.iUid, EHex );
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}
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// ---------------------------------------------------------------------------
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//
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// ---------------------------------------------------------------------------
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//
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TInt CHnEventHandler::ExecuteInternalActionL( CHnActionModel* aActionModel )
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{
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TInt ret(KErrNotFound);
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CLiwGenericParamList* params = aActionModel->CommandLC();
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if ( aActionModel->CommandName() == KServiceOpenSuite )
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{
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ret = iEventObserver.HandleModelEventL( KNewSuiteLoadedMdEvent(),
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*params );
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}
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else if ( aActionModel->CommandName() == KServiceSwitchWidget )
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{
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ret = iEventObserver.HandleModelEventL( KSwitchWidgetMdEvent(),
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*params );
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}
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else if ( aActionModel->CommandName() == KServiceStartEditMode )
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{
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ret = iEventObserver.HandleModelEventL( KStartEditModeMdEvent(),
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*params );
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}
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else if ( aActionModel->CommandName() == KServiceStopEditMode )
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{
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ret = iEventObserver.HandleModelEventL( KStopEditModeMdEvent(),
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*params );
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}
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else if ( aActionModel->CommandName() == KServiceBack )
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{
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ret = iEventObserver.HandleModelEventL( KBackMdEvent(),
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*params );
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}
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else if ( aActionModel->CommandName() == KSetFocus )
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{
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ret = iEventObserver.HandleModelEventL( KSetFocusEvent(),
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*params );
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}
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CleanupStack::PopAndDestroy( params );
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return ret;
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}
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// ---------------------------------------------------------------------------
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//
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// ---------------------------------------------------------------------------
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//
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TInt CHnEventHandler::ExecuteExtensionManagerActionL(
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CHnActionModel* aActionModel )
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{
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TUid uid;
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TInt err = ExtractUidFromActionL( aActionModel->Interface(), uid );
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if ( KErrNone == err )
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{
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HBufC* cmd = HnConvUtils::Str8ToStrFastLC( aActionModel->CommandName() );
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CLiwGenericParamList* command = aActionModel->CommandLC();
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err = iControllerInterface.ExecuteExtensionActionL( uid, *cmd, command );
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CleanupStack::PopAndDestroy( command );
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CleanupStack::PopAndDestroy( cmd );
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}
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return err;
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}
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// ---------------------------------------------------------------------------
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//
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// ---------------------------------------------------------------------------
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//
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EXPORT_C TInt CHnEventHandler::ExecuteActionL( CHnActionModel* aActionModel )
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{
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ASSERT( aActionModel );
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TInt err( KErrNone );
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if( aActionModel->Service() == KServiceMultimediaMenu )
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{
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if ( aActionModel->Interface().Length() == 0 )
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{
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err = ExecuteInternalActionL( aActionModel );
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}
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else
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{
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err = ExecuteExtensionManagerActionL( aActionModel );
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}
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}
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else
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{
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err = ExecuteStandardActionL( aActionModel );
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}
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return err;
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}
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// -----------------------------------------------------------------------------
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//
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// -----------------------------------------------------------------------------
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TInt CHnEventHandler::HandleNotifyL( TInt /*aCmdId*/, TInt /*aEventId*/,
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CLiwGenericParamList& /*aEventParamList*/,
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const CLiwGenericParamList& /*aInParamList*/ )
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{
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iIsExecutingStandardAsyncAction = EFalse;
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return KErrNone;
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}
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