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/*
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* Copyright (c) 2010 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:
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*
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*/
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#ifndef ACTIVEWRAPPER_H
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#define ACTIVEWRAPPER_H
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#include <QObject>
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#include <e32base.h>
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class ActiveWrapperPrivate;
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/*!
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\class ActiveWrapper
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\brief Helper class for using active objects in Qt classes.
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ActiveWrapper is a helper class for using active objects
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from any Qt class. It wraps a CActive-derived class in an interface
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that uses Qt's signal-slot mechanism for communicating status changes
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of the active object.
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\\sa bluetoothuimodel
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*/
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class ActiveWrapper : public QObject
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{
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Q_OBJECT
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friend class ActiveWrapperPrivate;
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public:
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explicit ActiveWrapper( int id,
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int priority = CActive::EPriorityStandard, QObject *parent = NULL );
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~ActiveWrapper();
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int getRequestId();
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void setRequestId(int reqId);
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void setActive();
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void cancel();
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bool isActive();
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signals:
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void requestCompleted( int status, int id );
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void cancelRequest( int id );
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void error( int status, int id );
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private:
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void emitRequestCompleted( int status, int id );
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void emitCancelRequest( int id );
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void emitError( int status, int id );
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private:
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ActiveWrapperPrivate *d;
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};
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/*!
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\class ActiveWrapperPrivate
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\brief Private class of ActiveWrapper, for using active objects in Qt classes.
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ActiveWrapperPrivate is a helper class for using active objects
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from any Qt class. It derives from CActive and allows other classes to use
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it for passing to asynchronous function calls through its RequestStatus method.
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\\sa bluetoothuimodel
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*/
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class ActiveWrapperPrivate : public CActive
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{
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friend class ActiveWrapper;
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public:
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explicit ActiveWrapperPrivate( ActiveWrapper *parent, int id, int priority );
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~ActiveWrapperPrivate();
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private:
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virtual void RunL();
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virtual void DoCancel();
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virtual TInt RunError( TInt error );
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private:
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ActiveWrapper *q;
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int mRequestId;
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};
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#endif // ACTIVEWRAPPER_H
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