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/*
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* Copyright (c) 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: Base classes for Usb notifier wrapper
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*
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*/
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#ifndef C_CUSBNOTENOTIFIER_H
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#define C_CUSBNOTENOTIFIER_H
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#include <e32base.h>
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#include "cusbnotifier.h"
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class CUsbNotifManager;
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class RNotifier;
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/**
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* Base class of wrapper for showing RNotifier note.
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* Class implements showing note notifier by RNotifier API in asynchronized way
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* which doesn't block the caller. When user gives some feedback on the note,
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* the event will be forwarded to CUsbNotifManager and it does some handling.
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*/
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NONSHARABLE_CLASS( CUsbNoteNotifier) : public CUsbNotifier
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{
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/**
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* Active object of asynchronous showing notifier
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*/
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class CNotifierActive : public CActive
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{
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public:
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/**
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* Default constructor
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* @param aNotifier RNotifier API
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* @param aUsbNoteNotifier the note notifier container
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*/
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CNotifierActive(RNotifier& aNotifier, CUsbNoteNotifier& aUsbNoteNotifier);
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/**
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* Destructor
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*/
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virtual ~CNotifierActive();
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/**
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* Start to show the notifier
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*/
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void StartL();
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protected:
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// From base class CActive
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/**
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* Caled when outstanding request completed
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*/
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void RunL();
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/**
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* Called when outstanding request cancelled
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*/
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void DoCancel();
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/**
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* Called when RunL leaves
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* @param aError errorcode
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* @return errorcode
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*/
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TInt RunError(TInt aError);
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private:
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// data
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/**
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* The note notifier container
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* Not Own
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*/
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CUsbNoteNotifier& iUsbNoteNotifier;
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/**
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* RNotifier API
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* Not Own
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*/
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RNotifier& iNotifier;
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/**
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* Response from notifier
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*/
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TPckg<TInt> iRes;
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/**
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* Notifier id pckg buffer
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*/
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TPckgBuf<TInt> iNotifIdPckg;
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};
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public:
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/**
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* Destructor
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*/
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virtual ~CUsbNoteNotifier();
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//From base class CUsbNotifier
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/**
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* Start to show notifier
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*/
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virtual void ShowL();
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/**
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* Stop showing notifier
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*/
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virtual void Close();
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protected:
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/**
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* Default constructor
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* @param aNotifier RNotifier API
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* @param aNotifManager Manager
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* @param acat Category
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* @param aNotidId id
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*/
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CUsbNoteNotifier(RNotifier& aNotifier, CUsbNotifManager& aNotifManager,
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TUid aCat, TUint aNotifId);
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/**
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* 2nd phase constructor.
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*/
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void ConstructL();
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private:
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// data
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/**
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* Active object of handling RNotifier instance
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* Own
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*/
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CNotifierActive* iNotifierActive;
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/**
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* RNotifier API
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* Not Own
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*/
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RNotifier& iNotifier;
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};
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#endif // C_CUSBNOTENOTIFIER_H
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