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:  Attribute asynhronous data set hook.

    15 *

    16 */

    17 

    18 

    19 // INCLUDE FILES

    20 #include    "CPEngAttrModelAsyncDataSetHook.h"

    21 #include    "CPEngPresenceAttrModel.h"

    22 #include    "MPEngPresenceAttrModelTypeImp.h"

    23 #include    "PresenceDebugPrint.h"

    24 #include    <E32Base.h>

    25 

    26 

    27 //LOCAL constants

    28 namespace

    29     {

    30     _LIT( KPEngAsyncDataSetHookPanic, "AsyncDataSetHook" );

    31     enum TPEngAsyncDataSetHookPanicReasons

    32         {

    33         EHookNotReady

    34         };

    35 

    36     void PanicAsyncDataSetHook( TPEngAsyncDataSetHookPanicReasons aPanicReason )

    37         {

    38         User::Panic( KPEngAsyncDataSetHookPanic, aPanicReason );

    39         }

    40 

    41     }

    42 

    43 

    44 

    45 // ============================ MEMBER FUNCTIONS ===============================

    46 

    47 // -----------------------------------------------------------------------------

    48 // CPEngAttrModelAsyncDataSetHook::CPEngAttrModelAsyncDataSetHook

    49 // C++ default constructor can NOT contain any code, that

    50 // might leave.

    51 // -----------------------------------------------------------------------------

    52 //

    53 CPEngAttrModelAsyncDataSetHook::CPEngAttrModelAsyncDataSetHook()

    54         : CActive( CActive::EPriorityStandard )

    55     {

    56     CActiveScheduler::Add( this );

    57     }

    58 

    59 

    60 // -----------------------------------------------------------------------------

    61 // Destructor

    62 // -----------------------------------------------------------------------------

    63 //

    64 CPEngAttrModelAsyncDataSetHook::~CPEngAttrModelAsyncDataSetHook()

    65     {

    66     CActive::Cancel();

    67     }

    68 

    69 

    70 // -----------------------------------------------------------------------------

    71 // CPEngAttrModelAsyncDataSetHook::InitializeLC()

    72 // -----------------------------------------------------------------------------

    73 //

    74 void CPEngAttrModelAsyncDataSetHook::InitializeLC( TRequestStatus& aRequestStatus,

    75                                                    CPEngPresenceAttrModel& aAttributeModel,

    76                                                    MPEngPresenceAttrModelTypeImp& aTypeImp )

    77     {

    78     __ASSERT_ALWAYS( !IsActive(), User::Leave( KErrInUse ) );

    79     CleanupStack::PushL( TCleanupItem( ResetTheHook, this ) );

    80 

    81     iStatusToComplete = &aRequestStatus;

    82     iHookOwner = &aAttributeModel;

    83     iHookedImp = &aTypeImp;

    84     }

    85 

    86 

    87 // -----------------------------------------------------------------------------

    88 // CPEngAttrModelAsyncDataSetHook::Status()

    89 // -----------------------------------------------------------------------------

    90 //

    91 TRequestStatus& CPEngAttrModelAsyncDataSetHook::Status()

    92     {

    93     return iStatus;

    94     }

    95 

    96 

    97 // -----------------------------------------------------------------------------

    98 // CPEngAttrModelAsyncDataSetHook::Activate()

    99 // -----------------------------------------------------------------------------

   100 //

   101 void CPEngAttrModelAsyncDataSetHook::Activate()

   102     {

   103     __ASSERT_ALWAYS( ( iStatusToComplete && iHookOwner && iHookedImp ),

   104                      PanicAsyncDataSetHook( EHookNotReady ) );

   105 

   106     if ( iStatus == KRequestPending )

   107         {

   108         PENG_DP_TXT( "CPEngAttrModelAsyncDataSetHook: Puting hook pending." );

   109         *iStatusToComplete = KRequestPending;

   110         SetActive();

   111         }

   112 

   113     else

   114         {

   115         PENG_DP_TXT( "CPEngAttrModelAsyncDataSetHook: Hook ended directly." );

   116         *iStatusToComplete = iStatus;

   117         Reset();

   118         }

   119     }

   120 

   121 

   122 

   123 // -----------------------------------------------------------------------------

   124 // CPEngAttrModelAsyncDataSetHook::RunL()

   125 // -----------------------------------------------------------------------------

   126 //

   127 void CPEngAttrModelAsyncDataSetHook::RunL()

   128     {

   129     if ( iStatus.Int() == KErrNone )

   130         {

   131         //Data set done. Update the attribute state.

   132         iHookOwner->SetQualifier( ETrue );

   133         }

   134 

   135     //complete the hooked request with return status from real operation

   136     User::RequestComplete( iStatusToComplete, iStatus.Int() );

   137 

   138     Reset();

   139     }

   140 

   141 

   142 // -----------------------------------------------------------------------------

   143 // CPEngAttrModelAsyncDataSetHook::DoCancel()

   144 // -----------------------------------------------------------------------------

   145 //

   146 void CPEngAttrModelAsyncDataSetHook::DoCancel()

   147     {

   148     iHookedImp->CancelSetDataAsync();

   149 

   150     //then complete the client request

   151     User::RequestComplete( iStatusToComplete, KErrCancel );

   152 

   153     Reset();

   154     }

   155 

   156 

   157 // -----------------------------------------------------------------------------

   158 // CPEngAttrModelAsyncDataSetHook::Reset()

   159 // -----------------------------------------------------------------------------

   160 //

   161 void CPEngAttrModelAsyncDataSetHook::Reset()

   162     {

   163     //reset the state

   164     iHookOwner = NULL;

   165     iHookedImp = NULL;

   166 

   167     iStatusToComplete = NULL;

   168     }

   169 

   170 // -----------------------------------------------------------------------------

   171 // CPEngAttrModelAsyncDataSetHook::ResetTheHook()

   172 // -----------------------------------------------------------------------------

   173 //

   174 void CPEngAttrModelAsyncDataSetHook::ResetTheHook( TAny* aHook )

   175     {

   176     CPEngAttrModelAsyncDataSetHook* self = static_cast< CPEngAttrModelAsyncDataSetHook* >( aHook );

   177     self->Reset();

   178     }

   179 

   180 

   181 //  End of File

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