1 /*

     2 * Copyright (c) 2007-2009 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 #ifndef HWRMFMTXWATCHERPLUGIN_H_

    21 #define HWRMFMTXWATCHERPLUGIN_H_

    22 

    23 #include <hwrmpluginservice.h>

    24 #include <babitflags.h>

    25 #include "hwrmfmtxconnobserver.h"

    26 #include "hwrmfmtxplugintimer.h"

    27 

    28 /**

    29 * FM Tx watcher plugin implementation.

    30 */

    31 class CHWRMFmtxWatcherPlugin : public CHWRMPluginService,

    32                                public MHWRMFmtxPluginTimerCallback,

    33                                public MHWRMFmtxConnObserver,

    34                                public MHWRMFmtxConnObserverCallback

    35     {

    36 public:

    37 

    38     /**

    39     * This is a two-phase constructor method that is used to create a new

    40     * instance of fmtx watcher plugin.

    41     *

    42 	* @leave One of the Symbian OS error codes.

    43     */

    44     static CHWRMFmtxWatcherPlugin* NewL();

    45 

    46     /**

    47     * Destructor.

    48     */

    49     ~CHWRMFmtxWatcherPlugin();

    50 

    51 private:

    52     // from CHWRMPluginService

    53     /**

    54     * Method to invoke a particular command in the plugin

    55     * @param aCommandId Command ID

    56     * @param aTransId   Transaction ID

    57     * @param aData      Data associated with command

    58     */

    59     virtual void ProcessCommandL(const TInt aCommandId,

    60                                  const TUint8 aTransId,

    61                                  TDesC8& aData);

    62 

    63     /**

    64     * Method to cancel a particular command

    65     * @param aTransId   Transaction ID

    66     * @param aCommandId Command ID to optionally double check with the

    67     *                   transaction ID

    68     */

    69     virtual void CancelCommandL(const TUint8 aTransId,

    70                                 const TInt aCommandId);

    71 

    72 private:

    73 

    74     // From MPluginTimerCallback

    75     void GenericTimerFired(const TInt aCommandId,

    76                            const TUint8 aTransId,

    77                            TInt aRetVal);

    78 

    79     // From MHWRMFmtxConnObserver

    80     TBool GetStatusL();

    81     void StartObservingL();

    82     void StopObserving();

    83 

    84     // From MHWRMFmtxConnObserverCallback

    85     void HandleConnectionChange( TFmtxWatcherObserverTypes aType, TBool aConnected );

    86 

    87 private:

    88 

    89     /**

    90     * C++ default constructor.

    91     *

    92     */

    93     CHWRMFmtxWatcherPlugin();

    94 

    95     /**

    96     * By default Symbian OS constructor is private.

    97     */

    98     void ConstructL();

    99 

   100 private:

   101 

   102     /**

   103     * Connection observers.

   104     */

   105 	RPointerArray<MHWRMFmtxConnObserver> iObservers;

   106 

   107     /**

   108     * Timer array for command responses.

   109     */

   110     RPointerArray<CHWRMFmtxPluginTimer> iTimers;

   111     

   112     /**

   113     * Connection status.

   114     */

   115     TBitFlags iConnected;

   116     };

   117 

   118 #endif // HWRMFMTXWATCHERPLUGIN_H_