1 /*

     2 * Copyright (c) 2008 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:  Fmtx watcher plugin definition.

    15 *

    16 */

    17 

    18 

    19 #ifndef HWRMFMTXWATCHERPLUGIN_H_

    20 #define HWRMFMTXWATCHERPLUGIN_H_

    21 

    22 #include <hwrmpluginservice.h>

    23 #include <babitflags.h>

    24 #include "hwrmfmtxconnobserver.h"

    25 #include "hwrmfmtxplugintimer.h"

    26 

    27 /**

    28 * FM Tx watcher plugin implementation.

    29 *

    30 * @since S60 3.2

    31 * @lib hwrmfmtxwatcherplugin.lib

    32 */

    33 class CHWRMFmtxWatcherPlugin : public CHWRMPluginService,

    34                                public MHWRMFmtxPluginTimerCallback,

    35                                public MHWRMFmtxConnObserver,

    36                                public MHWRMFmtxConnObserverCallback

    37     {

    38 public:

    39 

    40     /**

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

    42     * instance of fmtx watcher plugin.

    43     *

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

    45     */

    46     static CHWRMFmtxWatcherPlugin* NewL();

    47 

    48     /**

    49     * Destructor.

    50     */

    51     ~CHWRMFmtxWatcherPlugin();

    52 

    53 private:

    54     // from CHWRMPluginService

    55     /**

    56     * Method to invoke a particular command in the plugin

    57     * @param aCommandId Command ID

    58     * @param aTransId   Transaction ID

    59     * @param aData      Data associated with command

    60     */

    61     virtual void ProcessCommandL(const TInt aCommandId,

    62                                  const TUint8 aTransId,

    63                                  TDesC8& aData);

    64 

    65     /**

    66     * Method to cancel a particular command

    67     * @param aTransId   Transaction ID

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

    69     *                   transaction ID

    70     */

    71     virtual void CancelCommandL(const TUint8 aTransId,

    72                                 const TInt aCommandId);

    73 

    74 private:

    75 

    76     // From MPluginTimerCallback

    77     void GenericTimerFired(const TInt aCommandId,

    78                            const TUint8 aTransId,

    79                            TInt aRetVal);

    80 

    81     // From MHWRMFmtxConnObserver

    82     TBool GetStatusL();

    83     void StartObservingL();

    84     void StopObserving();

    85 

    86     // From MHWRMFmtxConnObserverCallback

    87     void HandleConnectionChange( TFmtxWatcherObserverTypes aType, TBool aConnected );

    88 

    89 private:

    90 

    91     /**

    92     * C++ default constructor.

    93     *

    94     */

    95     CHWRMFmtxWatcherPlugin();

    96 

    97     /**

    98     * By default Symbian OS constructor is private.

    99     */

   100     void ConstructL();

   101 

   102 private:

   103 

   104     /**

   105     * Connection observers.

   106     */

   107 	RPointerArray<MHWRMFmtxConnObserver> iObservers;

   108 

   109     /**

   110     * Timer array for command responses.

   111     */

   112     RPointerArray<CHWRMFmtxPluginTimer> iTimers;

   113     

   114     /**

   115     * Connection status.

   116     */

   117     TBitFlags iConnected;

   118     };

   119 

   120 #endif // HWRMFMTXWATCHERPLUGIN_H_