author | Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com> |
Mon, 03 May 2010 12:59:52 +0300 | |
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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 EventAO class. |
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* |
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*/ |
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#ifndef C_CEVENTAO_H |
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#define C_CEVENTAO_H |
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// INCLUDES |
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#include <e32base.h> |
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namespace multimedia |
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{ |
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// Observer |
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/** |
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* Observer that monitors the Source State changes |
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* @lib EnhancedMediaClient.lib |
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* @since S60 v3.2 |
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*/ |
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class MSourceStateObserver |
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{ |
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public: |
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virtual void SourceStateChanged() = 0; |
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}; |
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/** |
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* Active Object that monitors the Source State Change |
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* Event from the Source Side |
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* @lib EnhancedMediaClient.lib |
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* @since S60 v3.2 |
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*/ |
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class CEventAO : public CActive |
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{ |
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public: // Constructors and destructor |
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/** |
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* Function to Create the Object. |
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* @param aObserver Observer to callback the Event. |
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*/ |
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static CEventAO* NewL(MSourceStateObserver& aObserver); |
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/** |
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* Destructor. |
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*/ |
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virtual ~CEventAO(); |
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/** |
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* From CActive. |
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* Indicates that this active object has issued a |
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* request and that it is now outstanding |
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* |
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* @since S60 v3.2 |
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*/ |
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void SetActive(); |
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/** |
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* From CEventAO. |
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* Returns the Error Stoted on Completion of the Request |
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* |
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* @since S60 v3.2 |
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*/ |
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TInt Error(); |
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protected: |
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// From CActive |
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void RunL(); |
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void DoCancel(); |
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TInt RunError( TInt aError ); |
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private: |
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CEventAO( MSourceStateObserver& aObserver ); |
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void ConstructL(); |
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private: |
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/** |
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* Observer stored to Callback |
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*/ |
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MSourceStateObserver& iObserver; |
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/** |
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* Error Stored upon Request Completion |
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*/ |
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TInt iError; |
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}; |
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} // namespace multimedia |
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#endif // C_CEVENTAO_H |
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// End of File |