1 /*

     2 * Copyright (c) 2004 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:  Connection mode handler implementation.

    15 *

    16 */

    17 

    18 #ifndef __CCNUICONNMODEHANDLER_H

    19 #define __CCNUICONNMODEHANDLER_H

    20 

    21 //  INCLUDES

    22 #include <E32Base.h>

    23 #include <impspresenceconnectionuiconstsng.h>

    24 #include "CCnUiGroupChannel.h"

    25 #include "MCnUiConnModeHandler.h"

    26 

    27 

    28 //FORWARD DECLARATION

    29 class MCnUiConnModeObserver;

    30 

    31 

    32 

    33 // CLASS DECLARATION

    34 /**

    35  * Connection mode handler implementation.

    36  *

    37  * @since 2.1

    38  */

    39 NONSHARABLE_CLASS( CCnUiConnModeHandler ) : public CBase,

    40         public MCnUiGroupChannelListener,

    41         public MCnUiConnModeHandler

    42 

    43     {

    44 public:  // Two-phased constructors and destructor

    45 

    46     /**

    47      * Two-phased constructor.

    48      */

    49     static CCnUiConnModeHandler* NewL();

    50 

    51 

    52     /**

    53      * Destructor.

    54      */

    55     virtual ~CCnUiConnModeHandler();

    56 

    57 private:

    58 

    59     /**

    60      * C++ constructor.

    61      */

    62     CCnUiConnModeHandler();

    63 

    64 

    65     /**

    66      * Symbian OS constructor.

    67      */

    68     void ConstructL();

    69 

    70 

    71 

    72 public: // New functions from MCnUiConnModeHandler

    73 

    74     /**

    75      * From MCnUiConnModeHandler.

    76      * See it for details.

    77      *

    78      * @since 2.1

    79      */

    80     void SendUserSelectionL( TIMPSUserConnectionSelection aUserSelection,

    81                              TIMPSConnectionClient aClient );

    82 

    83     /**

    84      * From MCnUiConnModeHandler.

    85      * See it for details.

    86      *

    87      * @since 2.1

    88      */

    89     TInt RegisterAsSignificantSchedulingClientL( TIMPSConnectionClient aClient );

    90 

    91 

    92     /**

    93      * From MCnUiConnModeHandler.

    94      * See it for details.

    95      *

    96      * @since 2.1

    97      */

    98     void CancelRegisteringAsSSClient();

    99 

   100 

   101     /**

   102      * From MCnUiConnModeHandler.

   103      * See it for details.

   104      *

   105      * @since 2.1

   106      */

   107     TIMPSConnectionModeEvent ConnectionModeL( TIMPSConnectionClient aClient,

   108                                               TIMPSConnectionModeEvent aModeEventCateqory );

   109 

   110     /**

   111      * From MCnUiConnModeHandler.

   112      * See it for details.

   113      *

   114      * @since 2.1

   115      */

   116     void NotifyConnectionModeChangesL( MCnUiConnModeObserver* aObserver,

   117                                        TIMPSConnectionClient aClientToNotify );

   118 

   119     /**

   120      * From MCnUiConnModeHandler.

   121      * See it for details.

   122      *

   123      * @since 2.1

   124      */

   125     void CancelConnectionModeNotify();

   126 

   127 

   128 

   129 public: // from MCnUiGroupChannelListener

   130 

   131     /**

   132      * Channel listener.

   133      * @since 2.1

   134      */

   135     void HandleChannelMsg( TInt aGroupId,

   136                            TGCChannelID aChannelId,

   137                            TInt aChannelMsg );

   138 

   139 

   140 private: // Private helpers

   141 

   142 

   143     /**

   144      * Helper to start the notifying.

   145      *

   146      * @param aClientToNotify The client for which to start the notify.

   147      */

   148     void DoStartNotifyL( TIMPSConnectionClient aClientToNotify );

   149 

   150 

   151     /**

   152      * Event category checkers.

   153      *

   154      * @param aEvent The event to check.

   155      * @return ETrue if given event value belongs to

   156      * category. Else EFalse.

   157      */

   158     TBool LoginLogoutModeCategoryEvent( TInt aEvent );

   159     TBool SSClientStartStopCategoryEvent( TInt aEvent );

   160 

   161 

   162 

   163 private: // data

   164 

   165     ///<Listeners to listen channel activity, owned, lazy initialized

   166     CCnUiGroupChannel*            iLoginLogoutEventChannelListener;

   167     CCnUiGroupChannel*            iSSReqistrationChannelListener;

   168 

   169     ///<SS registration channel, owned

   170     CCnUiGroupChannel*            iSSReqistration;

   171 

   172     //Cached SS registration client count, owned.

   173     TInt                           iSSClientCountPrev;

   174 

   175     ///<Connection mode observer, not owned

   176     MCnUiConnModeObserver*        iConnModeObserver;

   177 

   178     ///<Observed client type, owned

   179     TIMPSConnectionClient         iObserverClient;

   180 

   181     };

   182 

   183 #endif      //  __CCNUICONNMODEHANDLER_H

   184 

   185 //  End of File

   186