mmsharing/mmshavailability/src/musavacalleventmonitor.cpp
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     1 /*
       
     2 * Copyright (c) 2005-2007 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:   class to watch call monitor event properties
       
    15 *
       
    16 */
       
    17 
       
    18 
       
    19 
       
    20 #include "musavacalleventmonitor.h"
       
    21 #include "muslogger.h"
       
    22 #include "mussesseioninformationapi.h"
       
    23 #include "musresourceproperties.h"
       
    24 #include "muscallmonitorobserver.h"
       
    25 #include <e32property.h>
       
    26 
       
    27 // --------------------------------------------------------------------------
       
    28 // Two phase constructor NewL()
       
    29 // --------------------------------------------------------------------------
       
    30 //
       
    31 CMusAvaCallEventMonitor* CMusAvaCallEventMonitor::NewL(
       
    32     MMusCallMonitorObserver& aObserver )
       
    33     {
       
    34     MUS_LOG( "mus: [MUSAOP]  -> CMusAvaCallEventMonitor::NewL" )
       
    35     CMusAvaCallEventMonitor* self = 
       
    36         new (ELeave) CMusAvaCallEventMonitor( aObserver );
       
    37     CleanupStack::PushL( self );
       
    38     self->ConstructL();
       
    39     CleanupStack::Pop( self );
       
    40     MUS_LOG( "mus: [MUSAOP]  <- CMusAvaCallEventMonitor::NewL" )
       
    41     return self;
       
    42     }
       
    43 
       
    44 // --------------------------------------------------------------------------
       
    45 // Destructor
       
    46 // --------------------------------------------------------------------------
       
    47 //
       
    48 CMusAvaCallEventMonitor::~CMusAvaCallEventMonitor()
       
    49     {
       
    50     MUS_LOG( "-> CMusAvaCallEventMonitor::~CMusAoPlugin" )
       
    51     
       
    52     MUS_LOG( "<- CMusAvaCallEventMonitor::~CMusAoPlugin" )
       
    53     }
       
    54 
       
    55 // --------------------------------------------------------------------------
       
    56 // Constructor 
       
    57 // --------------------------------------------------------------------------
       
    58 //
       
    59 CMusAvaCallEventMonitor::CMusAvaCallEventMonitor( 
       
    60     MMusCallMonitorObserver& aObserver )
       
    61     :CActive( EPriorityNormal ),
       
    62     iObserver( aObserver )
       
    63     {
       
    64     }
       
    65 
       
    66 // --------------------------------------------------------------------------
       
    67 // Two phase constructor ConstructL()
       
    68 // --------------------------------------------------------------------------
       
    69 //
       
    70 void CMusAvaCallEventMonitor::ConstructL()
       
    71     {
       
    72     MUS_LOG( "mus: [MUSAOP]  -> CMusAvaCallEventMonitor::ConstructL" )
       
    73     CActiveScheduler::Add( this );
       
    74     MUS_LOG( "mus: [MUSAOP]  <- CMusAvaCallEventMonitor::ConstructL" )
       
    75     }
       
    76 
       
    77 
       
    78 // --------------------------------------------------------------------------
       
    79 // Returns the status of the call
       
    80 // --------------------------------------------------------------------------
       
    81 //
       
    82 TInt CMusAvaCallEventMonitor::CallStatusL()
       
    83     {
       
    84     MUS_LOG( "mus: [CMusAvaCallEventMonitor]  -> CMusAvaCallEventMonitor::\
       
    85         CallStatusL" )    
       
    86     TInt callStatus;
       
    87     User::LeaveIfError( RProperty::Get(
       
    88         NMusSessionInformationApi::KCategoryUid,
       
    89         NMusSessionInformationApi::KMusCallEvent,
       
    90         callStatus ) );
       
    91 
       
    92     MUS_LOG1( "mus: [CMusAvaCallEventMonitor]     Call Event = %d ", 
       
    93         callStatus )    
       
    94     MUS_LOG( "mus: [CMusAvaCallEventMonitor]  <- CMusAvaCallEventMonitor::\
       
    95         CallStatusL" )    
       
    96     return callStatus;
       
    97     }
       
    98 
       
    99 // --------------------------------------------------------------------------
       
   100 // Returns the direction of connected call.
       
   101 // --------------------------------------------------------------------------
       
   102 //
       
   103 TInt CMusAvaCallEventMonitor::CallDirectionL()
       
   104     {
       
   105     MUS_LOG( "mus: [CMusAvaCallEventMonitor]  -> CMusAvaCallEventMonitor::\
       
   106         CallDirectionL" )
       
   107     // retrieve call count
       
   108     TInt direction( 0 );
       
   109     User::LeaveIfError( RProperty::Get(
       
   110         NMusSessionInformationApi::KCategoryUid,
       
   111         NMusSessionInformationApi::KMusCallDirection,
       
   112         direction ) );
       
   113 
       
   114     MUS_LOG1( "mus: [CMusAvaCallEventMonitor]     Call Direction = %d ", 
       
   115         direction )
       
   116     MUS_LOG( "mus: [CMusAvaCallEventMonitor]  <- CMusAvaCallEventMonitor::\
       
   117         CallDirectionL" )
       
   118     return direction;
       
   119     }
       
   120     
       
   121 // --------------------------------------------------------------------------
       
   122 // Returns the direction of connected call.
       
   123 // --------------------------------------------------------------------------
       
   124 //
       
   125 TInt CMusAvaCallEventMonitor::CallPrivacyL()
       
   126     {
       
   127     MUS_LOG( "mus: [CMusAvaCallEventMonitor]  -> CMusAvaCallEventMonitor::\
       
   128             CallPrivacyL" )
       
   129     // retrieve call count
       
   130     TInt privacy( 0 );
       
   131     User::LeaveIfError( RProperty::Get(
       
   132         NMusSessionInformationApi::KCategoryUid,
       
   133         NMusSessionInformationApi::KMUSPrivacy,
       
   134         privacy ) );
       
   135 
       
   136     MUS_LOG1( "mus: [CMusAvaCallEventMonitor]     Call privacy = %d ", 
       
   137             privacy )
       
   138     MUS_LOG( "mus: [CMusAvaCallEventMonitor]  <- CMusAvaCallEventMonitor::\
       
   139         CallPrivacyL" )
       
   140     return privacy;
       
   141     }
       
   142 	
       
   143 // --------------------------------------------------------------------------
       
   144 // aTelNumber will be filled with telephone number of current connected call
       
   145 // --------------------------------------------------------------------------
       
   146 //
       
   147 void CMusAvaCallEventMonitor::GetTelNumberL( TDes& aTelNumber )
       
   148     {
       
   149     MUS_LOG( "mus: [CMusAvaCallEventMonitor]  -> CMusAvaCallEventMonitor::\
       
   150         GetTelNumberL" )
       
   151     TBuf<KMusTelNumberMaxLength> telNumber;
       
   152 
       
   153     MUS_LOG( "mus: [CMusAvaCallEventMonitor]  CMusAvaCallEventMonitor::\
       
   154         GetTelNumberL - a" )
       
   155     TInt error = RProperty::Get(
       
   156         NMusSessionInformationApi::KCategoryUid,
       
   157         NMusSessionInformationApi::KMusTelNumber,
       
   158         telNumber );
       
   159 
       
   160     MUS_LOG1( "mus: [CMusAvaCallEventMonitor]  CMusAvaCallEventMonitor::\
       
   161         GetTelNumberL (%d)", error )
       
   162 
       
   163     if ( error != KErrOverflow )
       
   164         {
       
   165         User::LeaveIfError( error );
       
   166         }
       
   167 
       
   168     TInt length = telNumber.Length();
       
   169     TInt maxLength = aTelNumber.MaxLength();
       
   170     if ( maxLength < length )
       
   171         {
       
   172         // buffer is too small for returned tel number.
       
   173         MUS_LOG2( "mus: [CMusAvaCallEventMonitor]  CMusAvaCallEventMonitor::\
       
   174             GetTelNumberL - Buffer too small (%d, %d), leave", 
       
   175             maxLength, length )
       
   176         User::Leave( KErrOverflow );
       
   177         }
       
   178 
       
   179     aTelNumber.Copy( telNumber );
       
   180     MUS_LOG( "mus: [CMusAvaCallEventMonitor]  <- CMusAvaCallEventMonitor::\
       
   181         GetTelNumberL" )
       
   182     }
       
   183 
       
   184 
       
   185 // --------------------------------------------------------------------------
       
   186 // Subscribe to the property, means start monitoring the property
       
   187 // --------------------------------------------------------------------------
       
   188 //
       
   189 void CMusAvaCallEventMonitor::StartMonitoringL()
       
   190     {
       
   191     MUS_LOG( "mus: [CMusAvaCallEventMonitor]  -> CMusAvaCallEventMonitor::\
       
   192         StartMonitoringL" )
       
   193     if ( !IsActive() )
       
   194         {
       
   195         MUS_LOG( "mus: [CMusAvaCallEventMonitor]   CMusAvaCallEventMonitor::\
       
   196             StartMonitoringL - Not active, starting" )
       
   197         User::LeaveIfError( iPropertyEvent.Attach(
       
   198             NMusSessionInformationApi::KCategoryUid,
       
   199             NMusSessionInformationApi::KMusCallEvent ) );
       
   200         // initial subscription and process current property value
       
   201         iPropertyEvent.Subscribe( iStatus );
       
   202         SetActive();
       
   203         }
       
   204     MUS_LOG( "mus: [CMusAvaCallEventMonitor]  <- CMusAvaCallEventMonitor::\
       
   205         StartMonitoringL" )
       
   206     }
       
   207 
       
   208 
       
   209 // --------------------------------------------------------------------------
       
   210 // Called by Cancel()
       
   211 // --------------------------------------------------------------------------
       
   212 //
       
   213 void CMusAvaCallEventMonitor::DoCancel()
       
   214     {
       
   215     iPropertyEvent.Cancel();
       
   216     iPropertyEvent.Close();
       
   217     }
       
   218 
       
   219 
       
   220 // --------------------------------------------------------------------------
       
   221 // Active Object RunL implementation. Will be called when property changes.
       
   222 // --------------------------------------------------------------------------
       
   223 //
       
   224 void CMusAvaCallEventMonitor::RunL()
       
   225     {
       
   226     MUS_LOG( "mus: [MUSAOP]  -> CMusAvaCallEventMonitor::RunL" )
       
   227 
       
   228     // resubscribe before processing new value to prevent missing updates
       
   229     iPropertyEvent.Subscribe( iStatus );
       
   230     SetActive();
       
   231 
       
   232     // property updated, get new value
       
   233     TInt callStatus;
       
   234     if ( iPropertyEvent.Get( callStatus ) == KErrNotFound )
       
   235         {
       
   236         // property deleted
       
   237         iObserver.NoActiveCallL();
       
   238         }
       
   239     else
       
   240         {
       
   241         switch( callStatus )
       
   242             {
       
   243             case NMusSessionInformationApi::ENoCall:
       
   244                 {
       
   245                 iObserver.NoActiveCallL();
       
   246                 break;
       
   247                 }
       
   248 
       
   249             case NMusSessionInformationApi::ECallConnected:
       
   250                 {
       
   251                 // retrieve telnumber
       
   252                 TInt error;
       
   253                 TBuf<KMusTelNumberMaxLength> telNumber;
       
   254                 error = RProperty::Get(
       
   255                     NMusSessionInformationApi::KCategoryUid,
       
   256                     NMusSessionInformationApi::KMusTelNumber,
       
   257                     telNumber );
       
   258 
       
   259                 if ( error != KErrOverflow )
       
   260                     {
       
   261                     User::LeaveIfError( error );
       
   262                     }
       
   263 
       
   264                 iObserver.CallConnectedL( telNumber );
       
   265                 break;
       
   266                 }
       
   267 
       
   268             case NMusSessionInformationApi::ECallHold:
       
   269                 {
       
   270                  // retrieve telnumber
       
   271                 TInt error;
       
   272                 TBuf<KMusTelNumberMaxLength> telNumber;
       
   273                 error = RProperty::Get(
       
   274                     NMusSessionInformationApi::KCategoryUid,
       
   275                     NMusSessionInformationApi::KMusTelNumber,
       
   276                     telNumber );
       
   277 
       
   278                 if ( error != KErrOverflow )
       
   279                     {
       
   280                     User::LeaveIfError( error );
       
   281                     }
       
   282                 iObserver.CallHoldL( telNumber );
       
   283                 break;
       
   284                 }
       
   285 
       
   286             case NMusSessionInformationApi::EConferenceCall:
       
   287                 {
       
   288                 iObserver.ConferenceCallL();
       
   289                 break;
       
   290                 }
       
   291 
       
   292             default:
       
   293                 {
       
   294                 iObserver.NoActiveCallL();
       
   295                 break;
       
   296                 }
       
   297             }
       
   298         }
       
   299 
       
   300     MUS_LOG( "mus: [MUSAOP]  <- CMusAvaCallEventMonitor::RunL" )
       
   301     }
       
   302 
       
   303 
       
   304 // --------------------------------------------------------------------------
       
   305 // RunL leaves will be handled here. Make sure it returns KErrNone
       
   306 // Otherwise Active Scheduler Error() will be called.
       
   307 // --------------------------------------------------------------------------
       
   308 //
       
   309 TInt CMusAvaCallEventMonitor::RunError( TInt aError )
       
   310     {
       
   311     MUS_LOG1( "mus: [MUSAOP]  -> CMusAvaCallEventMonitor::RunError(%d)",
       
   312         aError )
       
   313 
       
   314     // Not much things can be done here as cleanup operation.
       
   315     aError = KErrNone;
       
   316 
       
   317     MUS_LOG( "mus: [MUSAOP]  <- CMusAvaCallEventMonitor::RunError" )
       
   318     return aError;
       
   319     }