usbengines/usbotgwatcher/inc/cusbmessagenotificationobserver.h
changeset 25 8c311f9acc5e
parent 0 1e05558e2206
child 26 0ae0f29418cd
equal deleted inserted replaced
8:7e15987c4500 25:8c311f9acc5e
     1 /*
     1 /*
     2 * Copyright (c) 2008-2009 Nokia Corporation and/or its subsidiary(-ies).
     2  * Copyright (c) 2008-2009 Nokia Corporation and/or its subsidiary(-ies).
     3 * All rights reserved.
     3  * All rights reserved.
     4 * This component and the accompanying materials are made available
     4  * This component and the accompanying materials are made available
     5 * under the terms of "Eclipse Public License v1.0"
     5  * under the terms of "Eclipse Public License v1.0"
     6 * which accompanies this distribution, and is available
     6  * which accompanies this distribution, and is available
     7 * at the URL "http://www.eclipse.org/legal/epl-v10.html".
     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:  Observes notifications from usb
       
    15  *
     8  *
    16 */
     9  * Initial Contributors:
    17 
    10  * Nokia Corporation - initial contribution.
       
    11  *
       
    12  * Contributors:
       
    13  *
       
    14  * Description:  Observes notifications from usb
       
    15  *
       
    16  */
    18 
    17 
    19 #ifndef C_USBMESSAGENOTIFICATIONOBSERVER_H
    18 #ifndef C_USBMESSAGENOTIFICATIONOBSERVER_H
    20 #define C_USBMESSAGENOTIFICATIONOBSERVER_H
    19 #define C_USBMESSAGENOTIFICATIONOBSERVER_H
    21 
    20 
    22 #include <e32base.h>
    21 #include <e32base.h>
    56 
    55 
    57     /**
    56     /**
    58      * Called when session requested
    57      * Called when session requested
    59      */
    58      */
    60     virtual void SessionRequestedL() = 0;
    59     virtual void SessionRequestedL() = 0;
    61     
    60 
    62     /**
    61     /**
    63       * Called when error happened
    62      * Called when error happened
    64       * @param aError error code
    63      * @param aError error code
    65       */
    64      */
    66      virtual void MessageNotificationErrorL(TInt aError) = 0;    
    65     virtual void MessageNotificationErrorL(TInt aError) = 0;
    67     };
    66     };
    68 
    67 
    69 /**
    68 /**
    70  *  Class observes USB Notifications
    69  *  Class observes USB Notifications
    71  *
    70  *
    88 
    87 
    89     /**
    88     /**
    90      * Subscribes for notifications
    89      * Subscribes for notifications
    91      * @param aObserver observer
    90      * @param aObserver observer
    92      */
    91      */
    93     void SubscribeL(MUsbMessageNotificationObserver* aObserver);
    92     void SubscribeL(MUsbMessageNotificationObserver& aObserver);
    94 
    93 
    95     /**
    94     /**
    96      * Unsubscribe from notifications
    95      * Unsubscribe from notifications
    97      * @param aObserver Observer
    96      * @param aObserver Observer
    98      */
    97      */
    99     void UnsubscribeL(MUsbMessageNotificationObserver* aObserver);
    98     void UnsubscribeL(MUsbMessageNotificationObserver& aObserver);
   100 
    99 
   101 private:
   100 private:
   102 
   101 
   103     // From CActive
   102     // From CActive
   104     /**
   103     /**
   137 private:
   136 private:
   138     // data
   137     // data
   139 
   138 
   140     /**
   139     /**
   141      * The observer reports to own observers
   140      * The observer reports to own observers
   142      * Owns
   141      * Not owns
   143      */
   142      */
   144     RPointerArray<MUsbMessageNotificationObserver> iObservers;
   143     RPointerArray<MUsbMessageNotificationObserver> iObservers;
   145 
   144 
   146     /**
   145     /**
   147      * Notifications come from USB
   146      * Notifications come from USB