| author | sl@SLION-WIN7.fritz.box |
| Fri, 15 Jun 2012 03:10:57 +0200 | |
| changeset 0 | bde4ae8d615e |
| permissions | -rw-r--r-- |
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/* |
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* Copyright (c) 2004 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: Definition of the event observer class |
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* |
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*/ |
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#ifndef CAUDIOEQUALIZEREVENTOBSERVER_H |
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#define CAUDIOEQUALIZEREVENTOBSERVER_H |
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|
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// INCLUDES |
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#include <e32base.h> |
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#include "AudioEqualizerProxy.h" |
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|
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// CLASS DECLARATION |
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|
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/** |
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* AudioEqualizer event observer provides encapsulates a monitoring request towards the message handler. |
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* |
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* @lib AudioEqualizerProxy.lib |
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* @since 3.0 |
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*/ |
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class CAudioEqualizerEventObserver : public CActive |
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{
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public: // Constructors and destructor |
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|
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/** |
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* Two-phased constructor. |
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*/ |
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static CAudioEqualizerEventObserver* NewL(TMMFMessageDestinationPckg aMessageHandler, MCustomCommand& aCustomCommand, |
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MAudioEqualizerCallback& aCallback); |
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|
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/** |
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* Destructor. |
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*/ |
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virtual ~CAudioEqualizerEventObserver(); |
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|
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public: // New functions |
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|
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/** |
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* Start event monitoring |
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* @since 3.0 |
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*/ |
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void Start(); |
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|
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/** |
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* Stop event monitoring |
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* @since 3.0 |
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*/ |
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void Stop(); |
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private: |
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/** |
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* C++ default constructor. |
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*/ |
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CAudioEqualizerEventObserver(); |
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|
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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(TMMFMessageDestinationPckg aMessageHandler, MCustomCommand& aCustomCommand, |
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MAudioEqualizerCallback& aCallback); |
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|
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void RunL(); |
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void DoCancel(); |
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private: |
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// Pointer to custom command utility |
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MCustomCommand* iCustomCommand; |
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// Message handler handle |
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TMMFMessageDestinationPckg iMessageHandler; |
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// AudioEqualizer change event Callbacks |
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MAudioEqualizerCallback* iCallback; |
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// Data package received from server |
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TEfAudioEqualizerCombinedDataPckg iDataPckgFrom; |
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// |
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TBool iStopped; |
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}; |
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#endif // CAUDIOEQUALIZEREVENTOBSERVER_H |
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