author | Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com> |
Tue, 31 Aug 2010 15:12:07 +0300 | |
branch | RCL_3 |
changeset 22 | 73a1feb507fb |
permissions | -rw-r--r-- |
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/* |
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* Copyright (c) 2009 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: |
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* |
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*/ |
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#ifndef MLCZOOMCONTROL_H |
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#define MLCZOOMCONTROL_H |
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|
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// INCLUDES |
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#include <e32std.h> |
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// CLASS DECLARATION |
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/** |
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* Class for controlling the zoom level of a video player. |
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*/ |
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class MLcZoomControl |
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{ |
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public: |
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/** |
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* Returns the minimum zoom value. |
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* @return the minimum zoom value |
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*/ |
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virtual TInt MinLcZoomL() = 0; |
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/** |
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* Returns the maximum zoom value. |
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* @return the maximum zoom value |
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*/ |
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virtual TInt MaxLcZoomL() = 0; |
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/** |
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* Returns the current value for the zoom. |
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* @return the current zoom value |
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*/ |
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virtual TInt LcZoomValueL() = 0; |
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/** |
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* Sets the current zoom level. |
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* @pre aValue >= MinLcZoomL && aValue <= MaxLcZoomL |
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* @param aValue the new zoom level |
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*/ |
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virtual void SetLcZoomValueL( TInt aValue ) = 0; |
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/** |
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* Zooms in by one step. |
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*/ |
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virtual void LcZoomInL() = 0; |
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/** |
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* Zooms out by one step. |
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*/ |
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virtual void LcZoomOutL() = 0; |
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}; |
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#endif // MLCZOOMCONTROL_H |
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// end of file |