| author | sl |
| Tue, 10 Jun 2014 14:32:02 +0200 | |
| changeset 1 | 260cb5ec6c19 |
| 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: This is the definition of the Loudness proxy class. |
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* |
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* |
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*/ |
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|
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|
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#ifndef CLOUDNESSPROXY_H |
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#define CLOUDNESSPROXY_H |
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|
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// INCLUDES |
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|
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#include <e32base.h> |
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#include <LoudnessBase.h> |
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#include <mmf/common/mmfcontrollerframework.h> |
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#include <CustomCommandUtility.h> |
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#include "LoudnessMessageTypes.h" |
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#include <MLoudnessObserver.h> |
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|
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// FORWARD DECLARATION |
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class CLoudnessEventObserver; |
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|
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// CLASS DECLARATION |
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|
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/** |
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* Interface class to be implemented by objects that receives callbacks from Loudness Event Observer. |
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* |
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* @since 3.0 |
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*/ |
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class MLoudnessCallback |
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{
|
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public: |
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|
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/** |
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* Invoked by the Loudness Event Observer when the Loudness object changes state |
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* @since 3.0 |
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* @param aBuffer Buffer containing the Loudness data |
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*/ |
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virtual void LoudnessEvent( const TDesC8& aDataPckg ) = 0; |
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|
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}; |
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|
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/** |
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* This is the Loudness effect proxy class responsible for handling framework messages. |
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* |
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* @lib LoudnessProxy.lib |
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* @since 3.0 |
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*/ |
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|
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class CLoudnessProxy : public CLoudness, |
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public MLoudnessCallback |
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{
|
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public: // Constructors and destructor |
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|
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/** |
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* |
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* Factory function for creating the Loudness proxy object. |
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* @since 3.0 |
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* @param aMessageHandler reference to message handler |
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* @param aCustomCommand reference to custom command utility |
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* @return pointer to a Loudness proxy object |
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*/ |
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IMPORT_C static CLoudnessProxy* NewL( TMMFMessageDestinationPckg aMessageHandler, |
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MCustomCommand& aCustomCommand, |
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CCustomInterfaceUtility* aCustomInterfaceUtility ); |
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/** |
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* |
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* Destructor |
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*/ |
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virtual ~CLoudnessProxy(); |
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|
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public: // functions from base class |
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|
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/** |
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* From CAudioEffect |
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* Apply effect settings |
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* @since 3.0 |
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*/ |
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IMPORT_C virtual void ApplyL(); |
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|
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public: // functions from MLoudnessCallback |
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|
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/** |
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* From MLoudnessCallback |
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* Changes to Loudness data has occured |
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* @since 3.0 |
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* @param aBuffer Buffer containing serialized Loudness data |
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*/ |
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void LoudnessEvent( const TDesC8& aDataPckg ); |
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|
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private: |
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|
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/** |
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* Private C++ constructor for this class. |
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* @since 3.0 |
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* @param aMessageHandler reference to message handler |
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* @param aCustomCommand reference to custom command utility |
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* @return - |
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*/ |
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CLoudnessProxy(TMMFMessageDestinationPckg aMessageHandler, MCustomCommand& aCustomCommand, |
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CCustomInterfaceUtility* aCustomInterfaceUtility); |
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|
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/** |
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* Second phase constructor for this class. |
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* @since 3.0 |
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* @return - |
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*/ |
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void ConstructL(); |
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|
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/** |
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* Start the active observer. |
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* @since 3.0 |
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* @param - |
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* @return - |
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*/ |
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void StartObserver(); |
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|
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private: |
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|
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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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// Loudness Event Observer |
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CLoudnessEventObserver* iLoudnessEventObserver; |
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// Pointer to the custom interface utility |
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CCustomInterfaceUtility* iCustomInterfaceUtility; |
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|
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|
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|
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}; |
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|
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#endif // of CLOUDNESSPROXY_H |
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|
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// End of File |