photosgallery/slideshow/engine/inc/shweffectinfo.h
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     1 /*
       
     2 * Copyright (c) 2007-2008 Nokia Corporation and/or its subsidiary(-ies). 
       
     3 * All rights reserved.
       
     4 * This component and the accompanying materials are made available
       
     5 * under the terms of "Eclipse Public License v1.0"
       
     6 * which accompanies this distribution, and is available
       
     7 * at the URL "http://www.eclipse.org/legal/epl-v10.html".
       
     8 *
       
     9 * Initial Contributors:
       
    10 * Nokia Corporation - initial contribution.
       
    11 *
       
    12 * Contributors:
       
    13 *
       
    14 * Description:    The effect info class
       
    15  *
       
    16 */
       
    17 
       
    18 
       
    19 
       
    20 
       
    21 #ifndef __SHWEFFECTINFO_H__
       
    22 #define __SHWEFFECTINFO_H__
       
    23 
       
    24 // INCLUDES
       
    25 #include <e32std.h>
       
    26 #include <e32base.h>
       
    27 
       
    28 #include "shwconstants.h"
       
    29 
       
    30 // FORWARD DECLARATIONS
       
    31 
       
    32 // CLASS DECLARATION
       
    33 
       
    34 /**
       
    35  * TShwEffectInfo, encapsulates the human readable name
       
    36  * and the uid of an effect.
       
    37  */ 
       
    38 NONSHARABLE_CLASS( TShwEffectInfo )
       
    39     {
       
    40     public:
       
    41     	/** 
       
    42     	 * Constructor. Initializes the object
       
    43     	 */
       
    44     	inline TShwEffectInfo()
       
    45     		: iName( 0 ), 
       
    46     		iId( KNullUid )
       
    47     		{}
       
    48     	
       
    49     	/**
       
    50     	 * Assignment operator. Ensure that data members get
       
    51     	 * properly set
       
    52     	 */
       
    53 		inline void operator=( const TShwEffectInfo& aRhs )
       
    54 			{
       
    55 			// need to set value as TPtrC does not have assignment 
       
    56 			// operator
       
    57 			iName = aRhs.iName;
       
    58 			iId = aRhs.iId;
       
    59 			}
       
    60 
       
    61     	/**
       
    62     	 * Comparison operator. 
       
    63 		 * @param aRhs, the object to compare against
       
    64     	 */
       
    65 		inline TBool operator==( const TShwEffectInfo& aRhs )
       
    66 			{
       
    67 			// just check the id
       
    68 			return iId == aRhs.iId;
       
    69 			}
       
    70 		
       
    71     public:
       
    72      
       
    73      	/**
       
    74      	 * Helper struct to identify the effects
       
    75      	 */
       
    76 		struct TEffectId
       
    77 			{
       
    78 			/**
       
    79 			 * Default constructor
       
    80 			 */
       
    81 			inline TEffectId (TUid aEffectUid, TInt aEffectIndex = 0) 
       
    82 				: iPluginUid (aEffectUid), iIndex (aEffectIndex)
       
    83 				{
       
    84 				}
       
    85 
       
    86 			/**
       
    87 			 * Comparison operator
       
    88 			 * @param aRhs, the object to compare against
       
    89 			 */
       
    90 			inline TBool operator==( const TEffectId& aRhs )
       
    91 				{
       
    92 				return iPluginUid == aRhs.iPluginUid &&
       
    93 					iIndex == aRhs.iIndex;
       
    94 				}
       
    95 
       
    96 			TUid  iPluginUid;
       
    97 			TUint iIndex;
       
    98 			};
       
    99 			
       
   100 		TEffectId iId;
       
   101 		TBuf< NShwSlideshow::KMaxEffectNameLen > iName;
       
   102 
       
   103     };
       
   104 
       
   105 
       
   106 
       
   107 #endif // __SHWEFFECTINFO_H__