author | Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com> |
Tue, 02 Feb 2010 01:08:46 +0200 | |
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permissions | -rw-r--r-- |
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/* |
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* Copyright (c) 2006 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: Header of EffectControlBase class. |
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* |
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*/ |
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#ifndef C_CEFFECTCONTROLBASE_H |
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#define C_CEFFECTCONTROLBASE_H |
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#include <e32base.h> |
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#include <mmfcontrollerframework.h> |
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class MCustomCommand; |
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namespace multimedia |
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{ |
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class MStreamControl; |
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class MControlObserver; |
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class MEffectControl; |
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class CEffectControlBaseImpl; |
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class CEffectControlBase |
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{ |
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protected: |
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// Called by subclass |
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CEffectControlBase(); |
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// Has to be called by subclass |
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void ConstructL( TUid aCIUid ); |
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// Returns ETrue if connected to Message Handler else EFalse |
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TBool IsConnected(); |
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// Returns KErrNone if it is already connected to message handler |
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// or connected to message handler successfully. |
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TInt Connect(); |
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// Used by sub-classes for sending custom commands to Message Handler |
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// Returns KErrNotReady if not connected |
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TInt CustomCommandSync( TInt aFunction, |
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const TDesC8& aDataTo1, |
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const TDesC8& aDataTo2, |
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TDes8& aDataFrom); |
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// Returns KErrNotReady if not connected |
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TInt CustomCommandSync( TInt aFunction, |
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const TDesC8& aDataTo1, |
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const TDesC8& aDataTo2); |
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// Client is signalled with KErrNotReady if not connected |
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void CustomCommandAsync( TInt aFunction, |
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const TDesC8& aDataTo1, |
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const TDesC8& aDataTo2, |
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TDes8& aDataFrom, |
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TRequestStatus& aStatus); |
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// Client is signalled with KErrNotReady if not connected |
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void CustomCommandAsync( TInt aFunction, |
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const TDesC8& aDataTo1, |
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const TDesC8& aDataTo2, |
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TRequestStatus& aStatus); |
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// Used by sub-classes for sending custom commands to known destination |
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// This is intended for objects implementing custom commands who |
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// knows destination address |
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TInt CustomCommandSync( const TMMFMessageDestinationPckg& aDestination, |
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TInt aFunction, |
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const TDesC8& aDataTo1, |
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const TDesC8& aDataTo2, |
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TDes8& aDataFrom ); |
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TInt CustomCommandSync( const TMMFMessageDestinationPckg& aDestination, |
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TInt aFunction, |
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const TDesC8& aDataTo1, |
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const TDesC8& aDataTo2 ); |
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void CustomCommandAsync( const TMMFMessageDestinationPckg& aDestination, |
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TInt aFunction, |
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const TDesC8& aDataTo1, |
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const TDesC8& aDataTo2, |
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TDes8& aDataFrom, |
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TRequestStatus& aStatus ); |
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void CustomCommandAsync( const TMMFMessageDestinationPckg& aDestination, |
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TInt aFunction, |
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const TDesC8& aDataTo1, |
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const TDesC8& aDataTo2, |
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TRequestStatus& aStatus ); |
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TInt GetMessageHandle(TMMFMessageDestinationPckg &aPckg); |
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MCustomCommand* GetCustomCommand(); |
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public: |
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virtual ~CEffectControlBase(); |
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// Called by Stream Control when Effect Control is added to it |
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TInt GetControlObserver( MControlObserver*& aObserver ); |
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// Called by Stream Control when Effect Control is added to it |
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TInt AddedToStreamControl( MStreamControl& aStreamControl, |
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MCustomCommand& aCustomCommand, |
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MEffectControl& aEffect ); |
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// Called by Stream Control when Effect Control is removed to it |
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TInt RemovedFromStreamControl( MStreamControl& aStreamControl ); |
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// Called by Stream Control when it is deleted before removing Effect Control |
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void StreamControlDeleted( MStreamControl& aStreamControl ); |
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// Returns KErrNone if it is not connected to message handler |
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// or disconnected from Message Handler successfully. |
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TInt Disconnect(); |
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|
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public: |
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enum TEffectControlEvent |
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{ |
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ECIBuilderCreated, |
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EMessageHandlerDeleted |
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}; |
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public: |
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// Handles effect control event. The derived class must implement to |
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// handle the event. |
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virtual void Event( TEffectControlEvent aEvent ); |
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|
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private: |
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CEffectControlBaseImpl* iCEffectControlBaseImpl; |
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}; |
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} // namespace multimedia |
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|
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#endif // C_CEFFECTCONTROLBASE_H |
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|
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// End of file |