1 /*

     2 * Copyright (c) 2006-2008 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:  Base class for message handlers.

    15  *

    16 */

    17 

    18 

    19 #ifndef C_CFMESSAGEHANDLERACTION_H

    20 #define C_CFMESSAGEHANDLERACTION_H

    21 

    22 #include "CFMessageHandlerBase.h"

    23 #include "CFActionSubscriptionListener.h"

    24 #include "cfactionowner.h"

    25 

    26 class CCFActionIndication;

    27 

    28 /**

    29  * Action messages related handler class.

    30  */

    31 NONSHARABLE_CLASS( CCFMessageHandlerAction ): public CCFMessageHandlerBase,

    32 public MCFActionSubscriptionListener,

    33 public MCFActionOwner

    34     {

    35 public:

    36 

    37     // Two phased constructors

    38     static CCFMessageHandlerAction* NewL( MCFExtendedContextInterface& aCF,

    39         MCFActionInterface& aActivatorEngine,

    40         MCFScriptInterface& aScriptInterface );

    41     static CCFMessageHandlerAction* NewLC( MCFExtendedContextInterface& aCF,

    42         MCFActionInterface& aActivatorEngine,

    43         MCFScriptInterface& aScriptInterface );

    44 

    45     // Destructor

    46     ~CCFMessageHandlerAction();

    47 

    48 protected: // From base classes

    49 

    50     // From CCFMessageHandlerBase

    51     TBool HandleMessageL( const RMessage2& aMessage );

    52 

    53     // From MCFContextSubscriptionListener

    54     void ActionIndicationL( CCFActionIndication* aIndication );

    55     

    56     // From MCFActionOwner

    57     TCFActionOwner ActionOwner() const;

    58 

    59 private: // New methods

    60 

    61     // Checks if there is action indication waiting

    62     void CheckActionQueueL();

    63 

    64     // Stream and send action indication to client

    65     void IndicateCurrentActionL();

    66 

    67     // Streams indication from object to descriptor

    68     HBufC8* ExternalizeIndicationLC( CCFActionIndication& aIndication );

    69 

    70 private:

    71 

    72     CCFMessageHandlerAction( MCFExtendedContextInterface& aCFContext,

    73         MCFActionInterface& aCFAction,

    74         MCFScriptInterface& aScriptInterface );

    75     void ConstructL();

    76 

    77 private:

    78 

    79     // Own: Subscription message

    80     RMessage2 iSubscriptionListenMessage;

    81 

    82     // Own: Action indications array

    83     RPointerArray<CCFActionIndication> iActionQueue;

    84 

    85     // Own: Current action indciation

    86     CCFActionIndication* iCurrentAction;

    87     };

    88 

    89 #endif//C_CFMESSAGEHANDLERACTION_H

    90