phoneclientserver/phoneserver/Src/Standard/Standard_Aiw/CPhSrvCallRequestManager.cpp
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     1 /*
       
     2 * Copyright (c) 2002-2004 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:  Call Request Manager.
       
    15 *
       
    16 */
       
    17 
       
    18 
       
    19 
       
    20 // INCLUDES
       
    21 #include "CPhSrvCallRequestManager.h"
       
    22 #include "CPhSrvCallRequest.h"
       
    23 #include "CPhSrvSubSessionBase.h"
       
    24 #include "PhSrvUtils.h"
       
    25 
       
    26 
       
    27 // CONSTANTS
       
    28 
       
    29 // The size of the Notification manager storage.
       
    30 const TInt KPhSrvNotificationManagerPendingCallGranularity = 4;
       
    31 
       
    32 
       
    33 // ============================ MEMBER FUNCTIONS ===============================
       
    34 
       
    35 // -----------------------------------------------------------------------------
       
    36 // CPhSrvCallRequestManager::CPhSrvCallRequestManager
       
    37 // 
       
    38 // C++ constructor.
       
    39 // -----------------------------------------------------------------------------
       
    40 //
       
    41 CPhSrvCallRequestManager::CPhSrvCallRequestManager()
       
    42     {
       
    43     }
       
    44 
       
    45 
       
    46 // -----------------------------------------------------------------------------
       
    47 // CPhSrvCallRequestManager::~CPhSrvCallRequestManager
       
    48 // 
       
    49 // C++ destructor.
       
    50 // -----------------------------------------------------------------------------
       
    51 //
       
    52 CPhSrvCallRequestManager::~CPhSrvCallRequestManager()
       
    53     {
       
    54     if ( iOutstandingRequestsCall )
       
    55         {
       
    56         iOutstandingRequestsCall->ResetAndDestroy();
       
    57         iOutstandingRequestsCall->Close();
       
    58         }
       
    59     delete iOutstandingRequestsCall;
       
    60     }
       
    61 
       
    62 
       
    63 // -----------------------------------------------------------------------------
       
    64 // CPhSrvCallRequestManager::ConstructL
       
    65 // 
       
    66 // Complete construction.
       
    67 // -----------------------------------------------------------------------------
       
    68 //
       
    69 void CPhSrvCallRequestManager::ConstructL()
       
    70     {
       
    71     iOutstandingRequestsCall = new ( ELeave ) RPointerArray< 
       
    72         CPhSrvCallRequest >( KPhSrvNotificationManagerPendingCallGranularity );
       
    73 
       
    74     CPhSrvCallRequest* emergencyCallRequest = CPhSrvCallRequest::NewL();
       
    75     CleanupStack::PushL( emergencyCallRequest );
       
    76     User::LeaveIfError( 
       
    77         iOutstandingRequestsCall->Append( emergencyCallRequest ) );
       
    78     CleanupStack::Pop(); // emergencyCallRequest
       
    79     }
       
    80 
       
    81 
       
    82 // -----------------------------------------------------------------------------
       
    83 // CPhSrvCallRequestManager::NegotiatorDialL
       
    84 // 
       
    85 // Initiate a dial request - called by the external call
       
    86 // interface.
       
    87 // -----------------------------------------------------------------------------
       
    88 //
       
    89 void CPhSrvCallRequestManager::NegotiatorDialL( 
       
    90     const RMessage2& aMessage, 
       
    91     CPhCltExtPhoneDialData& aArgs,
       
    92     CPhSrvSubSessionBase& aSubSession )
       
    93     {
       
    94     // If we have no registered initiator then we can't make a call.
       
    95     if ( !iCallInitiator )
       
    96         {
       
    97         User::Leave( KErrNotReady );
       
    98         }
       
    99     
       
   100     if (  aArgs.TelephoneNumber() == KPhSrvUsedEmergencyCallNumber && 
       
   101          ( *iOutstandingRequestsCall )[0]->SubSessionHandle() == 0 )
       
   102         {
       
   103         ( *iOutstandingRequestsCall )[0]->UpdateEmercgencyCall( 
       
   104             aMessage, 
       
   105            aArgs,
       
   106             aSubSession.SubSessionUniqueHandle() );         
       
   107         }
       
   108     else
       
   109         {
       
   110         // Create pending request
       
   111         CPhSrvCallRequest* request = CPhSrvCallRequest::NewLC( 
       
   112             aMessage, 
       
   113             aArgs,
       
   114             aSubSession.SubSessionUniqueHandle() );
       
   115 
       
   116         User::LeaveIfError( iOutstandingRequestsCall->Append( request ) );
       
   117         CleanupStack::Pop( request );
       
   118         }
       
   119 
       
   120     // Now see if the call notifier (initiator) is ready 
       
   121     if ( iCallInitiator->InitiatorIsReadyToMakeCall() )
       
   122         {
       
   123         // Ask the call initiator to make the call (basically completes the
       
   124         //phone app engine's outstanding call notifier request).
       
   125         iCallInitiator->InitiatorMakeAsynchronousCallL( aArgs );
       
   126         }
       
   127     }
       
   128 
       
   129 
       
   130 // -----------------------------------------------------------------------------
       
   131 // CPhSrvCallRequestManager::NegotiatorDialCancel
       
   132 // 
       
   133 // Cancel a pending dial request.
       
   134 // -----------------------------------------------------------------------------
       
   135 //
       
   136 void CPhSrvCallRequestManager::NegotiatorDialCancelL( 
       
   137     CPhSrvSubSessionBase& aSubSession )
       
   138     {
       
   139     // Obtain the subsessions handle
       
   140     const TInt handle = aSubSession.SubSessionUniqueHandle();
       
   141 
       
   142     // Now look for any pending requests that match.
       
   143     const TInt count = iOutstandingRequestsCall->Count();
       
   144     for( TInt i = 0; i < count; i++ )
       
   145         {
       
   146         CPhSrvCallRequest* entry = ( *iOutstandingRequestsCall )[i];
       
   147         if ( entry->SubSessionHandle() == handle )
       
   148             {
       
   149             // Found matching entry, so cancel it and clean up
       
   150             if ( i == 0 ) // 0 stands for emergency call
       
   151                 {
       
   152                 entry->Cancel();
       
   153                 entry->ClearEmergencyCall();
       
   154                 }
       
   155             else
       
   156                 {
       
   157                 iOutstandingRequestsCall->Remove( i );
       
   158                 entry->Cancel();
       
   159                 delete entry;
       
   160                 }
       
   161 
       
   162             // If we have more than one item in the queue, then we
       
   163             // try and fire of the next item here.
       
   164             if ( iCallInitiator->InitiatorIsReadyToMakeCall() && 
       
   165                  ( iOutstandingRequestsCall->Count() > 1 ||
       
   166                  ( *iOutstandingRequestsCall )[0]->SubSessionHandle() != 0 ) )
       
   167                 {
       
   168                 // Get the call at the top of the list (head of the queue)
       
   169                 CPhSrvCallRequest* head = NULL;
       
   170                 if ( ( *iOutstandingRequestsCall )[0]->SubSessionHandle() != 0 )
       
   171                     {
       
   172                     head = ( *iOutstandingRequestsCall )[0];
       
   173                     }
       
   174                 else
       
   175                     {
       
   176                     head = ( *iOutstandingRequestsCall )[1];
       
   177                     }
       
   178 
       
   179 
       
   180                 iCallInitiator->InitiatorMakeAsynchronousCallL( 
       
   181                     head->CallArguments() );
       
   182                 }
       
   183 
       
   184             return;
       
   185             }
       
   186         }
       
   187     }
       
   188 
       
   189 
       
   190 // -----------------------------------------------------------------------------
       
   191 // CPhSrvCallRequestManager::SetNegotiatorReadyCall
       
   192 // 
       
   193 // Updates the negotiator so that it knows if the notifier
       
   194 // session is able to make a call.
       
   195 // -----------------------------------------------------------------------------
       
   196 //
       
   197 void CPhSrvCallRequestManager::SetNegotiatorReadyCallL(
       
   198     MPhSrvInitiatorCall& aInitiator )
       
   199     {
       
   200     // There mustn't already be a call initiator, or the existing call
       
   201     // initiator must be the same as the new one (otherwise, panic).
       
   202     __ASSERT_ALWAYS( !iCallInitiator || &aInitiator == iCallInitiator, 
       
   203         PhoneServerUtils::Panic( 
       
   204         EPhoneServerPanicExistingCallInitiatorFault ) );
       
   205 
       
   206     // Update our pointer
       
   207     iCallInitiator = &aInitiator;
       
   208 
       
   209     // If we have more than one item in the queue, then we
       
   210     // try and fire of the next item here.
       
   211     if ( iCallInitiator->InitiatorIsReadyToMakeCall() && 
       
   212          ( iOutstandingRequestsCall->Count() > 1 ||
       
   213            ( *iOutstandingRequestsCall )[0]->SubSessionHandle() != 0 ) )
       
   214         {
       
   215         // Get the call at the top of the list (head of the queue)
       
   216         CPhSrvCallRequest* head = NULL;
       
   217         if ( ( *iOutstandingRequestsCall )[0]->SubSessionHandle() != 0 )
       
   218             {
       
   219             head = ( *iOutstandingRequestsCall )[0];
       
   220             }
       
   221         else
       
   222             {
       
   223             head = ( *iOutstandingRequestsCall )[1];
       
   224             }
       
   225 
       
   226         iCallInitiator->InitiatorMakeAsynchronousCallL(
       
   227             head->CallArguments() );
       
   228         }
       
   229     }
       
   230 
       
   231 
       
   232 // -----------------------------------------------------------------------------
       
   233 // CPhSrvCallRequestManager::SetNegotiatorReadyCallCancel
       
   234 // 
       
   235 // Indicates that the initiator is no longer available
       
   236 // -----------------------------------------------------------------------------
       
   237 //
       
   238 void CPhSrvCallRequestManager::SetNegotiatorReadyCallCancel( 
       
   239     MPhSrvInitiatorCall& aInitiator )
       
   240     {
       
   241     if ( iCallInitiator && iCallInitiator == &aInitiator )
       
   242         {
       
   243         iCallInitiator = NULL;
       
   244         }
       
   245     }
       
   246 
       
   247 // -----------------------------------------------------------------------------
       
   248 // CPhSrvCallRequestManager::SetNegotiatorAttemptedCallResponseValue
       
   249 // 
       
   250 // Handle a response from the phone app engine - this is the 
       
   251 // result of attempting to make a call (based upon a previous
       
   252 // clients external call request)
       
   253 // -----------------------------------------------------------------------------
       
   254 //
       
   255 void CPhSrvCallRequestManager::SetNegotiatorAttemptedCallResponseValue( 
       
   256     TPhCltPhoneResults aResult )
       
   257     {
       
   258     if ( iOutstandingRequestsCall->Count() > 1 ||
       
   259          ( *iOutstandingRequestsCall )[0]->SubSessionHandle() != 0 )
       
   260         {
       
   261         // Get the first item in the list - this is the oldest, and has the
       
   262         // details of the call we had previously initiated.
       
   263         CPhSrvCallRequest* head = NULL;
       
   264         if ( ( *iOutstandingRequestsCall )[0]->SubSessionHandle() != 0 )
       
   265             {
       
   266             head = ( *iOutstandingRequestsCall )[0];
       
   267             }
       
   268         else
       
   269             {
       
   270             head = ( *iOutstandingRequestsCall )[1];
       
   271             }
       
   272         // Complete the request so that the external call client knows the
       
   273         // result of the call attempt
       
   274         head->InformOfCallAttemptResult( aResult );
       
   275 
       
   276         // Delete the pending request (now that it's been processed) and tidy
       
   277         // up
       
   278         if ( ( *iOutstandingRequestsCall )[0]->SubSessionHandle() != 0 )
       
   279             {
       
   280             ( *iOutstandingRequestsCall )[0]->ClearEmergencyCall();
       
   281             }
       
   282         else
       
   283             {
       
   284             iOutstandingRequestsCall->Remove( 1 );
       
   285             delete head;
       
   286             }
       
   287         }
       
   288     }
       
   289 
       
   290 
       
   291 // End of File