1 // Copyright (c) 2008-2009 Nokia Corporation and/or its subsidiary(-ies).

     2 // All rights reserved.

     3 // This component and the accompanying materials are made available

     4 // under the terms of "Eclipse Public License v1.0"

     5 // which accompanies this distribution, and is available

     6 // at the URL "http://www.eclipse.org/legal/epl-v10.html".

     7 //

     8 // Initial Contributors:

     9 // Nokia Corporation - initial contribution.

    10 //

    11 // Contributors:

    12 //

    13 // Description:

    14 //

    15 

    16 /**

    17  @file

    18  @internalAll 

    19 */

    20 

    21 #ifndef REQUESTQUEUEONESHOT_H

    22 #define REQUESTQUEUEONESHOT_H

    23 

    24 // INCLUDES

    25 #include <e32std.h>

    26 #include <e32base.h>

    27 

    28 // FORWARD DECLARATIONS

    29 class CMmDataPackage;

    30 class MDispatcherCallback;

    31 

    32 // CLASS DECLARATION

    33 

    34 /**

    35  * CRequestQueueOneShot holds a queue of requests which have been completed 

    36  * synchronously by the Licensee LTSY but  needs completion 

    37  * asynchronously back up to the Common TSY.

    38  */

    39 class CRequestQueueOneShot : public CAsyncOneShot 

    40 	{

    41 public:

    42 

    43 	virtual ~CRequestQueueOneShot();

    44 

    45 	static CRequestQueueOneShot* NewL();

    46 	static CRequestQueueOneShot* NewLC();

    47 

    48 	/**

    49 	 * Class which encapsulates data returned from the Licensee LTSY for 

    50 	 * requests which are dealt with synchronously.  The data held in this 

    51 	 * object is returned to the Common TSY.

    52 	 */

    53 	class TIpcDataPackage

    54 		{

    55 	public:

    56 		TIpcDataPackage();

    57 		~TIpcDataPackage();

    58 	public:

    59 		TInt iIpc;

    60 		CMmDataPackage* iDataPackage; 	// When this field is assigned to an object,

    61 										// this TIpcDataPackage object takes ownership

    62 										// of it.

    63 		TInt iResultCode;

    64 		TBool iCleanupOnly; // Indicates to the dispatcher that it should not 

    65 							// complete the request because the TSY is currently 

    66 							// closing down. 

    67 		MDispatcherCallback* iDispatcherCallback;

    68 		TSglQueLink iLink;

    69 		}; // class TIpcDataPackage 

    70 	

    71 	void QueueRequest(TIpcDataPackage& aIpcDataPackage);

    72 	

    73 protected:

    74 

    75 	virtual void DoCancel();

    76 	virtual void RunL();

    77 	

    78 private:

    79 

    80 	CRequestQueueOneShot();

    81 	void ConstructL();

    82 

    83 private:

    84 	

    85 	TSglQue<TIpcDataPackage> iIpcQueue;

    86 

    87 	}; // class CRequestQueueOneShot 

    88 

    89 #endif // REQUESTQUEUEONESHOT_H