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:  Active object for performing Async filtering

    15 *

    16 */

    17 

    18 

    19 #ifndef MULFILTERAO_H_

    20 #define MULFILTERAO_H_

    21 

    22 #include <e32base.h>

    23 

    24 #include <alf/alfvarianttype.h>

    25 #include <osn/osndefines.h>

    26 

    27 #include "mulcallback.h"

    28 

    29 

    30 namespace osncore

    31     {

    32     template <class T> class CAlfPtrVector;  

    33     class UString;

    34     }  

    35 using namespace osncore;

    36 

    37 namespace Alf

    38 	{

    39 //Forward Declaration

    40 	 

    41 class MulCacheManager;

    42 class MulDataWindow;

    43 class MulFilter;

    44 class IMulFilterDataProvider;

    45 class MulCallback;

    46  	  

    47 class MulFilterAo : public CActive

    48     {

    49     

    50 public: //constructor and destructor

    51 

    52 	/**

    53 	 * symbian constcutor

    54 	 * 

    55 	 * @param aModel Model refrence

    56 	 */

    57 	//static MulFilterAo* NewL( IMulFilterDataProvider& aModel );

    58     

    59     /**

    60      * Destructor

    61      */

    62     ~MulFilterAo();

    63     

    64 public: //constructor and destructor

    65 

    66 	/**

    67 	 * C++ constcutor

    68 	 * 

    69 	 * @param aModel Model refrence

    70 	 */

    71 	MulFilterAo(IMulFilterDataProvider& aModel );   

    72 	

    73 	/**

    74 	 * symbian Second phase constructor

    75 	 */

    76 	//void ConstructL();

    77     

    78 private: //from CActive

    79 

    80 	void RunL();

    81 	

    82 	void DoCancel();

    83 

    84 public: //new method

    85 

    86     /**

    87      * Perform Async filtering. Model call this function when SetFilter is called on Model.

    88      * After performing async filtering  function will notify model via callback object.

    89      * 

    90      * @param aFilter Filter object

    91      * @param aCallback Callback object

    92      */

    93 	void DoAsyncFilter(MulFilter& aFilter,MulCallback aCallback);

    94 

    95 private:

    96     

    97     /**

    98      * Perform garbage collection operation

    99      */

   100     void DoFilter();

   101     

   102 private: //data

   103 

   104 	IMulFilterDataProvider& 		mMulModel;

   105 	MulFilter*						mFilter; //not own

   106 	MulCallback						mCallback;

   107     };

   108 	    

   109     } //namespace Alf

   110 

   111 #endif /*MULFILTERAO_H_*/

   112 

   113 //End of file

   114 

   115