1 /*

     2  * Copyright (c) 2010 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: Subscribe source implementation for getting calendar status  

    15  *              notification from publisher .

    16  *

    17  */

    18 #include "calendarsubscriber.h"

    19 #include <locationservicedefines.h>

    20 #include "mylocationlogger.h"

    21 const TUid KCalendarPropertyCat={0x10005901};

    22 enum TMyPropertyKeys {EMyPropertyInteger=0x1};

    23 

    24 // -----------------------------------------------------------------------------

    25 // CCalendarSubscriber::NewL()

    26 // -----------------------------------------------------------------------------

    27 //

    28 CCalendarSubscriber* CCalendarSubscriber::NewL(MNotifyChange* aNotifyChange)

    29 {

    30     CCalendarSubscriber* self = CCalendarSubscriber::NewLC(aNotifyChange);

    31     CleanupStack::Pop(self);

    32     return self;

    33 }

    34 

    35 // -----------------------------------------------------------------------------

    36 // CCalendarSubscriber::NewLC()

    37 // -----------------------------------------------------------------------------

    38 //

    39 CCalendarSubscriber* CCalendarSubscriber::NewLC(

    40         MNotifyChange* aNotifyChange)

    41 {

    42     CCalendarSubscriber* self = new (ELeave) CCalendarSubscriber(

    43             aNotifyChange);

    44     CleanupStack::PushL(self);

    45     self->ConstructL();

    46     return self;

    47 }

    48 

    49 // -----------------------------------------------------------------------------

    50 // CCalendarSubscriber::ConstructL()

    51 // Symbian 2nd phase constructor can leave.

    52 // -----------------------------------------------------------------------------

    53 //

    54 void CCalendarSubscriber::ConstructL()

    55 {

    56     __TRACE_CALLSTACK;

    57     CActiveScheduler::Add(this);

    58     TInt ret = iProperty.Attach(KCalendarPropertyCat, EMyPropertyInteger);

    59 

    60     if (KErrNone == ret)

    61     {

    62         SubscribeChangeNotiFication();

    63 

    64     }

    65 }

    66 

    67 

    68 // -----------------------------------------------------------------------------

    69 // CCalendarSubscriber::SubscribeChangeNotiFication()

    70 // start subscribe for calendar entry

    71 // -----------------------------------------------------------------------------

    72 //

    73 void CCalendarSubscriber::SubscribeChangeNotiFication()

    74 {

    75     __TRACE_CALLSTACK;

    76     Cancel();

    77     // resubscribe before processing new value to prevent missing updates

    78     iProperty.Subscribe(iStatus);

    79     SetActive();

    80 }

    81 

    82 // -----------------------------------------------------------------------------

    83 // CCalendarSubscriber::CCalendarSubscriber()

    84 // Default constructor .

    85 // -----------------------------------------------------------------------------

    86 //

    87 CCalendarSubscriber::CCalendarSubscriber(MNotifyChange* aNotifyChange) :

    88     CActive(EPriorityStandard),

    89     iNotifyChange(*aNotifyChange)

    90     

    91 {

    92 }

    93 // -----------------------------------------------------------------------------

    94 // CCalendarSubscriber::~CCalendarSubscriber()

    95 // default destuctor.

    96 // -----------------------------------------------------------------------------

    97 //

    98 CCalendarSubscriber::~CCalendarSubscriber()

    99 {

   100     __TRACE_CALLSTACK;  

   101     Cancel();

   102     iProperty.Close();

   103     

   104 }

   105 // -----------------------------------------------------------------------------

   106 // CCalendarSubscriber::RunL()

   107 // Assyncronous request handler , on completion of notification

   108 // -----------------------------------------------------------------------------

   109 //

   110 void CCalendarSubscriber::RunL()

   111 {

   112     __TRACE_CALLSTACK;

   113     SubscribeChangeNotiFication();

   114     // property updated, get new value

   115     TInt value;

   116     if ( KErrNone == iProperty.Get( value )  && value > 0)

   117     {

   118         iNotifyChange.SubscribeFromCalendarL( value );

   119     }

   120 }

   121 // -----------------------------------------------------------------------------

   122 // CCalendarSubscriber::DoCancel()

   123 // Handels the error condition on assynchronous request

   124 // -----------------------------------------------------------------------------

   125 //

   126 void CCalendarSubscriber::DoCancel()

   127 {

   128     __TRACE_CALLSTACK;

   129     iProperty.Cancel();

   130 }

   131 

   132 //End of file

   133