author | Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com> |
Tue, 02 Feb 2010 02:03:13 +0200 | |
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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 the License "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: This class implements an active object with callback functionality. |
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* |
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*/ |
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#ifndef WLANCBWAITER_H |
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#define WLANCBWAITER_H |
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#include <e32base.h> |
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/** |
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* This class implements an active object with callback functionality. |
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* |
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* @since S60 v3.2 |
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*/ |
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NONSHARABLE_CLASS( CWlanCbWaiter ) : public CActive |
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{ |
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public: |
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/** |
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* Factory for creating an instance of CWlanTestWaiter. |
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* |
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* @param aCallback Callback to call when active object completes. |
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* @return NULL if unable create an instance, a pointer to the instance otherwise. |
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*/ |
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static CWlanCbWaiter* NewL( |
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const TCallBack& aCallback ); |
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/** |
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* Destructor. |
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*/ |
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virtual ~CWlanCbWaiter(); |
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/** |
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* Issue an asynchronous request. |
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* |
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* @since S60 v3.2 |
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*/ |
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void IssueRequest(); |
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/** |
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* Return the status of the request. |
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* |
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* @return Reference to status of the request. |
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*/ |
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TRequestStatus& RequestStatus(); |
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// from base class CActive |
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/** |
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* From CActive. |
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* Called by the active object framework when the request has been completed. |
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*/ |
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void RunL(); |
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/** |
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* From CActive. |
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* Called by the framework if RunL leaves. |
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* |
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* @param aError The error code RunL leaved with. |
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* @return KErrNone if leave was handled, one of the system-wide error codes otherwise. |
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*/ |
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TInt RunError( |
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TInt aError ); |
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/** |
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* From CActive. |
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* Called by the framework when Cancel() has been called. |
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*/ |
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void DoCancel(); |
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private: |
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/** |
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* Constructor. |
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* |
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* @param aCallback Callback to call when active object completes. |
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*/ |
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CWlanCbWaiter( |
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const TCallBack& aCallback ); |
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/** |
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* By default Symbian 2nd phase constructor is private. |
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*/ |
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void ConstructL(); |
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private: // data |
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/** Function to call once request has been completed. */ |
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TCallBack iCallback; |
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}; |
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#endif // WLANCBWAITER_H |