inc/musindicatorapi.h
changeset 22 496ad160a278
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15:ccd8e69b5392 22:496ad160a278
       
     1 /*
       
     2 * Copyright (c) 2007 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:  Provides means for confirmation query and availability
       
    15                  indications.
       
    16 *
       
    17 */
       
    18 
       
    19 
       
    20 
       
    21 #ifndef C_MUSINDICATORAPI_H
       
    22 #define C_MUSINDICATORAPI_H
       
    23 
       
    24 
       
    25 #include "musindicatorobserver.h"
       
    26 #include "musunittesting.h"
       
    27 #include "mussoundplayerobserver.h"
       
    28 #include <e32base.h>
       
    29 #include <e32property.h>
       
    30 
       
    31 
       
    32 class CMusIndicatorDsa;
       
    33 class CAknGlobalMsgQuery;
       
    34 class CMusSoundPlayer;
       
    35 
       
    36 
       
    37 /**
       
    38  *  MusIndicatorApi provides means to show notes and indicate availability
       
    39  *  of videosharing to user.
       
    40  *
       
    41  *  @code
       
    42  *   // Shows roaming activation query
       
    43  *  if ( MusIndicatorApi::ConfirmationQueryL(
       
    44  *          MusIndicatorApi::EVsRoamingActivationQuery ) )
       
    45  *      {
       
    46  *      // respond to user response "yes"
       
    47  *      }
       
    48  *  else
       
    49  *      {
       
    50  *      // respond to user response "no"
       
    51  *      }
       
    52  *  @endcode
       
    53  *
       
    54  *  @lib musindicator.lib
       
    55  */
       
    56 class CMusIndicatorApi : public CActive, MMusSoundPlayerObserver
       
    57     {
       
    58 
       
    59 public:
       
    60 
       
    61     /**  Different notes */
       
    62     enum TVsPopupQuery
       
    63         {
       
    64         EVsRoamingActivationQuery /**
       
    65                                    * Displays a query prompting for
       
    66                                    * activation of VS when roaming.
       
    67                                    */
       
    68         };
       
    69 
       
    70     /**
       
    71      * Two-phased constructor.
       
    72      *
       
    73      * @param aObserver Reference to observer interface.
       
    74      * return Pointer to newly created instance of CMusIndicatorApi.
       
    75      */
       
    76     IMPORT_C static CMusIndicatorApi* NewL(
       
    77         MMusIndicatorObserver& aObserver );
       
    78 
       
    79     /**
       
    80      * Two-phased constructor.
       
    81      *
       
    82      * @param aObserver Reference to observer interface.
       
    83      * return Pointer to newly created instance of CMusIndicatorApi.
       
    84      */
       
    85     IMPORT_C static CMusIndicatorApi* NewLC(
       
    86         MMusIndicatorObserver& aObserver );
       
    87         
       
    88 
       
    89     /**
       
    90      * Two-phased constructor.
       
    91      *
       
    92      * return Pointer to newly created instance of CMusIndicatorApi.
       
    93      */
       
    94     IMPORT_C static CMusIndicatorApi* NewL();
       
    95 
       
    96     /**
       
    97      * Destructor.
       
    98      */
       
    99     ~CMusIndicatorApi();
       
   100 
       
   101     /**
       
   102      * Shows a global query to user.
       
   103      *
       
   104      * @param aQuery Identifies displayed query.
       
   105      * @return Boolean value indicating if user accepted the query.
       
   106      */
       
   107     IMPORT_C static TBool ConfirmationQueryL( TVsPopupQuery aQuery );
       
   108 
       
   109     /**
       
   110      * Indicates availability of video sharing.
       
   111      */
       
   112     IMPORT_C void IndicateAvailabilityL();
       
   113 
       
   114 protected:
       
   115 
       
   116 // from base class CActive.
       
   117 
       
   118     /**
       
   119      * From CActive.
       
   120      * Handles completion of an outstanding asynchronous request.
       
   121      */
       
   122     virtual void RunL();
       
   123 
       
   124     /**
       
   125      * From CActive.
       
   126      * Cancels an outstanding asynchronous request.
       
   127      */
       
   128     virtual void DoCancel();
       
   129 
       
   130     /**
       
   131      * From CActive.
       
   132      * Handles a leave occurring in the request completion event handler RunL.
       
   133      *
       
   134      * @param aError Error code of occured leave.
       
   135      */
       
   136     virtual TInt RunError( TInt aError );
       
   137 
       
   138 // from base class MMusSoundPlayerObserver.
       
   139 
       
   140     /**
       
   141      * From MMusSoundPlayerObserver.
       
   142      * Notifies of sound playing complete.
       
   143      *
       
   144      * @param aError Errorcode associated with playback.
       
   145      */
       
   146     virtual void PlaySoundComplete( TInt aError );
       
   147 
       
   148 private:
       
   149 
       
   150     CMusIndicatorApi( MMusIndicatorObserver* aObserver );
       
   151 
       
   152     void ConstructL();
       
   153 
       
   154 	 /**
       
   155      * Indicating availability of VS.
       
   156      *
       
   157      * @param aShown ETrue set indicator on and EFalse to Indicator off.
       
   158      */
       
   159 	void Indicator( TBool aShown );
       
   160 	
       
   161     /**
       
   162      * Plays indication tone.
       
   163      */
       
   164     void PlayToneL();
       
   165 
       
   166     /**
       
   167      * Returns text from a resource file for a specified note/query.
       
   168      *
       
   169      * @param aQuery Identifies displayed query.
       
   170      * @return Text associated with specified query. Ownership is transferred.
       
   171      */
       
   172     static HBufC* NoteTextLC( TVsPopupQuery aQuery );
       
   173 
       
   174     /**
       
   175      * Asynchronous query. Result returned via observer interface.
       
   176      */
       
   177     void ShowLiveSharingQueryL( TBool aPlayTone );
       
   178 
       
   179     static TInt LiveSharingQueryTimeout( TAny* aThis );
       
   180 
       
   181     void StartLiveSharingL();
       
   182     void ToggleIndicatorL();
       
   183     TBool IsSubscriber() const;
       
   184     
       
   185         
       
   186 private: // data
       
   187 
       
   188     /**
       
   189      * Pointer to indicator window
       
   190      * Own.
       
   191      */
       
   192     CMusIndicatorDsa* iIndicatorWindow;
       
   193 
       
   194     /**
       
   195      * Pointer to global msg query.
       
   196      * Own.
       
   197      */
       
   198     CAknGlobalMsgQuery* iQuery;
       
   199 
       
   200     /**
       
   201      * Sound player.
       
   202      * Own.
       
   203      */
       
   204     CMusSoundPlayer* iSoundPlayer;
       
   205 
       
   206     /**
       
   207      * Reference to observer interface.
       
   208      * Own.
       
   209      */
       
   210     MMusIndicatorObserver* iObserver;
       
   211 
       
   212     CPeriodic* iLiveSharingQueryTimeout;
       
   213     
       
   214     RProperty iProperty;
       
   215             
       
   216     MUS_UNITTEST( UT_CMusIndicatorApi )
       
   217 
       
   218     };
       
   219 
       
   220 #endif // C_MUSINDICATORAPI_H