1 /*

     2 * Copyright (c) 2006 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:  observer if any install/unistall happens at help app

    15 *                 runtime

    16 *

    17 */

    18 

    19 #ifndef CSXHRUNTIMEAPPWATCHER_H

    20 #define CSXHRUNTIMEAPPWATCHER_H

    21 

    22 #include <e32base.h>

    23 #include <f32file.h>

    24 

    25 /*

    26  * Base class of Installation/Uninstallation

    27  * 

    28  */

    29 class MInstallationObserver

    30     {

    31 public:

    32     /*

    33      * call back function, to handle update index

    34      */

    35     virtual void RuntimeUpdateIndex() = 0;

    36     };

    37 

    38 /*

    39  * Runtime indexing wather

    40  * keep watching if user install/uninstall/modify any helps

    41  * 

    42  */

    43 class CCSXHRuntimeAppWatcher : public CActive

    44     {

    45 public:

    46     

    47     /*

    48      * default constructor

    49      */

    50     CCSXHRuntimeAppWatcher();

    51     

    52     /*

    53      * destructor

    54      */

    55     ~CCSXHRuntimeAppWatcher();

    56     

    57     /*

    58      * two-phase constructor

    59      */

    60     static CCSXHRuntimeAppWatcher* NewL();

    61     

    62     /*

    63      * from base class CActive

    64      * Handles an active object's request completion event

    65      */

    66     void RunL();

    67     

    68     /*

    69      * from base class CActive

    70      * Implements cancellation of an outstanding request

    71      */

    72     void DoCancel();

    73     

    74     /*

    75      * start this active object

    76      */

    77     void Start();

    78     

    79     /*

    80      * Set observer

    81      * @param aObserver: App UI, notify user helps modified

    82      * 

    83      */

    84     void SetObserver( MInstallationObserver* aObserver );

    85     

    86 private:

    87     

    88     /*

    89      * two-phase constructor

    90      */

    91     void ConstructL();

    92     

    93 private:

    94 

    95     /*

    96      * file session

    97      */

    98     RFs iFileSession;

    99     

   100     /*

   101      * observer

   102      * not owned

   103      */

   104     MInstallationObserver* iObserver;

   105     };

   106     

   107 #endif // CSXHRUNTIMEAPPWATCHER_H