1 /*

     2 * Copyright (c) 2008-2009 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  @file

    20  @internalComponent

    21 */

    22 

    23 #ifndef EVENTMAN_H

    24 #define EVENTMAN_H

    25 

    26 #include <e32base.h>

    27 #include "msmm_internal_def.h"

    28 

    29 class MMsmmSrvProxy;

    30 class CDeviceEventHandler;

    31 

    32 NONSHARABLE_CLASS (CDeviceEventQueue) : public CActive

    33     {

    34 public:

    35     ~CDeviceEventQueue();

    36     static CDeviceEventQueue* NewL(MMsmmSrvProxy& aServer);

    37     static CDeviceEventQueue* NewLC(MMsmmSrvProxy& aServer);

    38 

    39     /** Queue a device event 

    40     * Intends to be used by CMsmmSession class

    41     */

    42     void PushL(const TDeviceEvent& aEvent);

    43     

    44     /** Finalize events in queue

    45     * Intends to be used by CMsmmServer when last session has been closed.

    46     * This function will remove all pending events of adding a interface

    47     * from the queue. It also cancels adding events that currently is being

    48     * handled in CDeviceEventHandler. 

    49     */

    50     void Finalize();

    51 

    52     /** Return count of events in queue

    53     */

    54     inline TUint8 Count() const;

    55     

    56 protected:

    57     // Derived from CActive    

    58     void DoCancel();

    59     void RunL();

    60     TInt RunError(TInt aError);

    61 

    62 private:

    63     CDeviceEventQueue(MMsmmSrvProxy& aServer);

    64     void ConstructL();

    65 

    66     void AppendAndOptimizeL(const TDeviceEvent& aEvent);

    67     void StartL();

    68     

    69     void SendEventL();

    70     

    71     inline TBool IsEventAvailable() const;

    72     TDeviceEvent Pop();

    73 

    74 private:

    75     MMsmmSrvProxy& iServer;

    76     CDeviceEventHandler* iHandler; // Owned

    77     RArray<TDeviceEvent> iEventArray;

    78     };

    79 

    80 #include "eventqueue.inl"

    81 

    82 #endif /*EVENTMAN_H*/