author | Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com> |
Thu, 17 Dec 2009 08:52:52 +0200 | |
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/* |
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* Copyright (c) 2002-2004 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: Abstract interface for find media files suitable to be |
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* set as an alert tone in Profiles. |
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* |
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*/ |
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#ifndef MPROENGALERTTONESEEKER_H |
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#define MPROENGALERTTONESEEKER_H |
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// INCLUDES |
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#include <e32def.h> |
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// FORWARD DECLARATIONS |
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class MProEngAlertToneSeekerExt; |
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class MProEngAlertToneSeekerObserver; |
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// CLASS DECLARATION |
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/** |
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* This class can be used to find media files suitable to be set as an alert |
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* tone in Profiles. |
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* |
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* @lib ProfileEngine.lib |
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* @since Series 60 3.1 |
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*/ |
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class MProEngAlertToneSeeker |
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{ |
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public: // New functions |
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/** |
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* Asynchronous method that searches all the tone files that can be used |
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* as alert tones in Profiles. The resulting list of the tone paths is |
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* delivered to the MProEngAlertToneSeekerObserver. |
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* This is a very long lasting operation (~minutes), so this shouldn't |
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* be performed too often. |
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* @since S 60 3.1 |
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* @param aObserver Reference to the client-implemented observer which |
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* will get the list of tones after the list has been constructed. |
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*/ |
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virtual void FetchAlertToneListL( |
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MProEngAlertToneSeekerObserver& aObserver ) = 0; |
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/** |
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* Cancels the asynchronous fetch operation. |
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* @since S60 3.1 |
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*/ |
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virtual void CancelFetch() = 0; |
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public: |
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/** |
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* Destructor. |
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*/ |
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virtual ~MProEngAlertToneSeeker() {} |
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private: // Extension interface |
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/** |
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* This member is internal and not intended for use. |
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*/ |
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virtual MProEngAlertToneSeekerExt* Extension() { return NULL; } |
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}; |
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#endif // MPROENGALERTTONESEEKER_H |
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// End of File |
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