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:  Declares USB dialer activation watcher class

    15  *

    16 */

    17 

    18 #ifndef C_USBUINOTIFDIALERWATCHER_H

    19 #define C_USBUINOTIFDIALERWATCHER_H

    20 

    21 #include <e32base.h>

    22 #include <coecntrl.h> 

    23 #include <viewclipartner.h> 

    24 #include <viewcli.h> 

    25 

    26 

    27 /**

    28  * Dialer activation callback

    29  *

    30  * This class specifies the functions when dialer is activated 

    31  * or note can be reactivated 

    32  * 

    33  */

    34 class MDialerNotifier

    35     {

    36 public:

    37     /**     

    38      * The function to be when Dialaer is activated

    39      *          

    40      */

    41     virtual void DialerActivated() = 0;

    42     

    43     /**     

    44      * The function to be when Dialaer is deactivated

    45      * and note can be shown again

    46      *          

    47      */

    48     virtual void ReActivateDialog() = 0;

    49     };

    50 

    51 /** 

    52  *

    53  * This class will check if application key is pressed when error note is active. 

    54  * When application key is pressed dialer view is activated and error notifier is 

    55  * informed so it can dismis dialog. When dialer is deactivated error notifier is 

    56  * notified that dialog can be again shown.

    57  *

    58  */

    59 NONSHARABLE_CLASS( CUsbuinotifDialerWatcher):  public CCoeControl,  

    60                                                public MVwsSessionWrapperObserver  

    61 

    62     {

    63 public:

    64     /**

    65      * Two-phased constructor.     

    66      * @param aDialerKeyNotifier Callback interface for dialer activation/deactivation

    67      * @return dialer watcher

    68      */

    69      

    70     static CUsbuinotifDialerWatcher* NewL( MDialerNotifier* aDialerNotifier );

    71 

    72     /**

    73      * Two-phased constructor.

    74      * @param aDialerKeyNotifier Callback interface for dialer activation/deactivation     

    75      * @return dialer watcher 

    76      */

    77     static CUsbuinotifDialerWatcher* NewLC( MDialerNotifier* aDialerNotifier  );

    78 

    79     /**

    80      * Destructor

    81      */

    82     virtual ~CUsbuinotifDialerWatcher();

    83     

    84 private:

    85     

    86     /**

    87      * From CCoeControl

    88      * @param aKeyEvent Key Event

    89      * @param aType Type of event

    90      */

    91     TKeyResponse OfferKeyEventL(const TKeyEvent& aKeyEvent,TEventCode aType);    

    92 

    93 private:

    94     

    95     /**

    96      * From MVwsSessionWrapperObserver

    97      * @param aEvent View event

    98      */

    99     void HandleViewEventL(const TVwsViewEvent &aEvent);

   100     

   101 

   102 private:

   103 

   104     /**

   105      * Constructor

   106      * @param aDialerKeyNotifier Callback interface for dialer activation/deactivation     

   107      */

   108     CUsbuinotifDialerWatcher( MDialerNotifier* aDialerKeyNotifier  );

   109     

   110     /**

   111      * Two-phased constructor.

   112      */

   113     void ConstructL();

   114 

   115 private:

   116     // Member variables

   117     

   118     /**

   119      *  The observer for this objects events

   120      *  Not own. 

   121      */

   122     MDialerNotifier* iNotify;

   123     

   124     /**

   125      *  The observer for this objects events

   126      *  Own. 

   127      */

   128     CVwsSessionWrapper* iwsSession;

   129     

   130     /**

   131      * Is notifier allready notified. 

   132      */

   133     TBool iNotified;

   134     };

   135 #endif // C_USBUINOTIFDIALERWATCHER_H