1 /**

     2 * Copyright (c) 2005-2009 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 

    19 

    20 /**

    21  @file

    22  @internalComponent

    23  @released

    24 */

    25 

    26 

    27 #ifndef CCNT_NOTIFICATIONMONITOR_H

    28 #define CCNT_NOTIFICATIONMONITOR_H

    29 

    30 #include <e32base.h>

    31 #include <f32file.h>

    32 #include <badesca.h>

    33 

    34 #include <cntdbobs.h> // for tcontactdbobserverevent.

    35 

    36 

    37 /**

    38 The CCntNotificationMonitor class provides the base class for monitoring of

    39 event notifications from the Server.

    40 */

    41 NONSHARABLE_CLASS(CCntNotificationMonitor) : public CActive

    42 {

    43 protected:

    44 	CCntNotificationMonitor(RCntModel& aSession);

    45 	~CCntNotificationMonitor();	

    46 	void DoCancel();

    47 

    48 protected:

    49 	RCntModel& iSession;

    50 };

    51 

    52 

    53 /**

    54 The CCntDbNotifyMonitor class is an Active Object which makes requests for

    55 Contacts database events from the Server.  Each Contacts database event

    56 received from the Server is sent to all registered observers.  Each observer

    57 implements the MContactDbObserver interface which consists of the

    58 HandleDatabaseEventL() method.

    59 */

    60 NONSHARABLE_CLASS(CCntDbNotifyMonitor) : private CCntNotificationMonitor

    61 {

    62 public:

    63 	static  CCntDbNotifyMonitor* NewL(RCntModel& aSession);

    64 	void 	AddObserverL(MContactDbObserver& aObserver);

    65 	void 	RemoveObserver(const MContactDbObserver& aObserver);

    66 	~CCntDbNotifyMonitor();

    67 	TInt    NumberOfListeners() const;

    68 

    69 private:

    70 	CCntDbNotifyMonitor(RCntModel& aSession);

    71 	void 	RunL();

    72 	void 	Start();

    73 	TInt	RunError(TInt aError);

    74 

    75 private:	

    76 	RPointerArray<MContactDbObserver> iObserverArray;

    77 	TPckgBuf<TContactDbObserverEvent> iEventMsg;

    78 	TInt iCurrentProcessedObserver;

    79 };

    80 

    81 

    82 #endif // CCNT_NOTIFICATIONMONITOR_H