1 /*

     2 * Copyright (c) 2009 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:

    15 *

    16 */

    17 

    18 #include "hsdataobservertask.h"

    19 #include "tstaskmonitorglobals.h"

    20 // -----------------------------------------------------------------------------

    21 //

    22 // -----------------------------------------------------------------------------

    23 //

    24 CHsDataObserverTask::CHsDataObserverTask(MHsDataObserverStorage& storage, 

    25                                          const RMessage2& msg)

    26 :

    27     mStorage(storage),

    28     mMsg(msg)

    29 {

    30     // No implementation required

    31 }

    32 

    33 

    34 // -----------------------------------------------------------------------------

    35 //

    36 // -----------------------------------------------------------------------------

    37 //

    38 CHsDataObserverTask::~CHsDataObserverTask()

    39 {

    40     if (EFalse == mMsg.IsNull()) {

    41         mMsg.Complete(mDataChanged ? KErrNone : KErrCancel);

    42     }

    43 }

    44 // -----------------------------------------------------------------------------

    45 //

    46 // -----------------------------------------------------------------------------

    47 //

    48 void CHsDataObserverTask::ExecuteLD(MHsDataObserverStorage& storage,const RMessage2& msg)

    49 {

    50     CHsDataObserver *self = new (ELeave)CHsDataObserverTask(storage, msg);

    51     CleanupStack::PushL(self);

    52     storage.PushL(self);

    53     CleanupStack::Pop(self);

    54 }

    55 

    56 // -----------------------------------------------------------------------------

    57 //

    58 // -----------------------------------------------------------------------------

    59 //

    60 void CHsDataObserverTask::DataChanged()

    61 {

    62     mDataChanged = ETrue;

    63     mStorage.Pop(this);

    64     delete this; 

    65 }

    66 

    67 // -----------------------------------------------------------------------------

    68 //

    69 // -----------------------------------------------------------------------------

    70 //

    71 void CHsDataObserverTask::Cancel(const RMessage2& reason)

    72 {

    73     if (CancelSubscribeRunningAppChanges == reason.Function() &&

    74         mMsg.Session() == reason.Session()) {

    75         mStorage.Pop(this);

    76         delete this;

    77    }

    78 }