1 // Copyright (c) 2007-2009 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  @internalTechnology

    19 */

    20 

    21 #ifndef SYMBIAN_NM_SIGNALS_H

    22 #define SYMBIAN_NM_SIGNALS_H

    23 

    24 #include <elements/h_structures.h>

    25 #include <elements/metavirtctor.h>

    26 #include <elements/nm_common.h>

    27 

    28 namespace Messages

    29 {

    30 

    31 class TRuntimeCtxId;

    32 

    33 //-=========================================================

    34 //

    35 // TSignalBase

    36 //

    37 //-=========================================================

    38 class TSignalBase : public Meta::SMetaDataNetCtor

    39 	{

    40 public:

    41 	/** The space required for reconstructing the message object from the stored data.

    42 	This value is not directly related to the maximum length of a message supported

    43 	by the currently used transport implementation.

    44 	*/

    45 	enum { KMaxInlineMessageSize = 224 }; //KMaxInlineMessageSize + KMaxUnstoredOverhead == 256 (currently used transport supports ~150)

    46 

    47 	/** The space required for reconstructing the object from the stored data will always be somewhat larger than that data, due

    48 	to the vtbl pointer, iSender, and most variably the overhead for member objects such as descriptors. This value is allows for

    49 	several descriptors in a maximally-sized (non-blob) message without being lavish - in general derived classes shouldn't have

    50 	unserialised members.

    51 	*/

    52 	enum { KMaxUnstoredOverhead = 32 };

    53 

    54 public:

    55 	virtual void DispatchL(const TRuntimeCtxId& aSender, const TRuntimeCtxId& aRecipient) = 0;

    56 	virtual void Error(const TRuntimeCtxId& aSender, const TRuntimeCtxId& aRecipient, TInt aError) = 0;

    57 

    58 public:

    59 	EXPORT_DATA_VTABLE_AND_FN

    60 	};

    61 

    62 } //namespace Messages

    63 

    64 

    65 #endif

    66 	//SYMBIAN_NM_SIGNALS_H

    67