phoneuis/vmbx/src/VmDetDlgPropertyObserver.cpp
author Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
Mon, 18 Jan 2010 20:18:27 +0200
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/*
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* Copyright (c) 2002 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:  Publish & Subscribe property change observer implementation
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*
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*/
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// INCLUDE FILES
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#include "VmDetDlgPropertyObserver.h"
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#include "VoiceMailboxAppPrivateCRKeys.h"
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#include "VmDetailsDialog.h"
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#include <e32property.h>
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// ============================ MEMBER FUNCTIONS ===============================
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// -----------------------------------------------------------------------------
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// CVmDetDlgPropertyObserver::CVmDetDlgPropertyObserver
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// C++ default constructor can NOT contain any code, that
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// might leave.
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// -----------------------------------------------------------------------------
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//
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CVmDetDlgPropertyObserver::CVmDetDlgPropertyObserver( 
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                                CVmDetailsDialog& aDetDialog )
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    : CActive( CActive::EPriorityLow ),
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      iDetDialog( aDetDialog )
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    {
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    }
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// -----------------------------------------------------------------------------
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// CVmDetDlgPropertyObserver::ConstructL
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// Symbian 2nd phase constructor can leave.
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// -----------------------------------------------------------------------------
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//
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void CVmDetDlgPropertyObserver::ConstructL()
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    {
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    CActiveScheduler::Add( this );
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    }
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// -----------------------------------------------------------------------------
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// CMGXPropertyObserver::NewL
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// Two-phased constructor.
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// -----------------------------------------------------------------------------
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//
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CVmDetDlgPropertyObserver* CVmDetDlgPropertyObserver::NewL( 
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                                CVmDetailsDialog& aDetDialog )
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    {
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    CVmDetDlgPropertyObserver* self = 
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                         new( ELeave ) CVmDetDlgPropertyObserver( aDetDialog );
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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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// CVmDetDlgPropertyObserver::~CVmDetDlgPropertyObserver
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// Destructor.
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// ----------------------------------------------------------------------------
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//
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CVmDetDlgPropertyObserver::~CVmDetDlgPropertyObserver()
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    {
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    if ( IsActive() )
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        {
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        Cancel();
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        }
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    }
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// -----------------------------------------------------------------------------
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// CVmDetDlgPropertyObserver::ObservePropertyChangeL
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// -----------------------------------------------------------------------------
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//
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void CVmDetDlgPropertyObserver::ObservePropertyChangeL( TUid aCategory, 
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                                                                    TUint aKey )
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    {
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    if ( IsActive() )
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        {
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        Cancel();
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        }
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    User::LeaveIfError( iProperty.Attach( aCategory, aKey ) );
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    iProperty.Subscribe( iStatus );
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    SetActive();
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    iKey = aKey;
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    }
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// -----------------------------------------------------------------------------
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// CVmDetDlgPropertyObserver::RunL
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// -----------------------------------------------------------------------------
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//
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void CVmDetDlgPropertyObserver::RunL()
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    {
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    TFileName fileName( KNullDesC );
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    if ( iKey == KVmSummaryInfoIsSet )
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        {
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        User::LeaveIfError( iProperty.Get( fileName ) );
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        }
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    iDetDialog.HandlePropertyNotificationEventL( fileName );
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    }
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// -----------------------------------------------------------------------------
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// CVmDetDlgPropertyObserver::DoCancel
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// -----------------------------------------------------------------------------
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//
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void CVmDetDlgPropertyObserver::DoCancel()
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    {
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    iProperty.Cancel();
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    }
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// -----------------------------------------------------------------------------
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// CVmDetDlgPropertyObserver::RunError
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// -----------------------------------------------------------------------------
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//
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TInt CVmDetDlgPropertyObserver::RunError( TInt /*aError*/ )
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    {
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    // Return no error to prevent ui note from being displayed,
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    // nothing else can be done.
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    return KErrNone;
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    }
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//  End of File