epoc32/include/apacln.h
author William Roberts <williamr@symbian.org>
Tue, 16 Mar 2010 16:12:26 +0000
branchSymbian2
changeset 2 2fe1408b6811
permissions -rw-r--r--
Final list of Symbian^2 public API header files
     1 // Copyright (c) 1997-2009 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 the License "Symbian Foundation License v1.0" to Symbian Foundation members and "Symbian Foundation End User License Agreement v1.0" to non-members
     5 // which accompanies this distribution, and is available
     6 // at the URL "http://www.symbianfoundation.org/legal/licencesv10.html".
     7 //
     8 // Initial Contributors:
     9 // Nokia Corporation - initial contribution.
    10 //
    11 // Contributors:
    12 //
    13 // Description:
    14 //
    15 
    16 
    17 #if !defined(__APACLN_H__)
    18 #define __APACLN_H__
    19 
    20 #if !defined(__APPARC_H__)
    21 #include <apparc.h>
    22 #endif
    23 
    24 
    25 class TApaDocCleanupItem
    26 /** Allows CApaDocument-derived objects to be safely put onto the cleanup 
    27 stack, by calling CApaProcess::DestroyDocument() should a leave or a call 
    28 to CleanupStack::PopAndDestroy() occur.
    29 
    30 It is used as follows.
    31 @code
    32 TApaDocCleanupItem cleanup(iEikonEnv->Process(),doc);
    33 CleanupStack::PushL(cleanup);
    34 // some potentially leaving code here ...
    35 CleanupStack::Pop(cleanup);
    36 @endcode
    37 @publishedPartner
    38 @deprecated
    39 */
    40 	{
    41 public:
    42 	inline TApaDocCleanupItem(CApaProcess* aProcess,CApaDocument* aDoc);
    43 	inline operator TCleanupItem();
    44 private:
    45 	IMPORT_C static void DoCleanup(TAny* aPtr);
    46 public:
    47 	/** The process object that will be used to destroy the document. */
    48 	CApaProcess* iApaProcess;
    49 	/** The document to destroy as part of cleanup. */
    50 	CApaDocument* iApaDoc;
    51 	};
    52 
    53 
    54 inline TApaDocCleanupItem::TApaDocCleanupItem(CApaProcess* aProcess,CApaDocument* aDoc)
    55 	: iApaProcess(aProcess), iApaDoc(aDoc)
    56 /** Constructs a cleanup item object for the specified document.
    57 
    58 @param aProcess A pointer to the process object that will be used to destroy the document.
    59 @param aDoc The document to destroy as part of cleanup. */
    60 	{}
    61 
    62 inline TApaDocCleanupItem::operator TCleanupItem()
    63 /** A TCleanupItem cast operator that enables the TApaDocCleanupItem object to be pushed to 
    64 the cleanup stack as a TCleanupItem, so that the document will be properly destroyed 
    65 (by a call to CApaProcess::DestroyDocument()) should a leave or a call to 
    66 CleanupStack::PopAndDestroy() occur. */
    67 	{return TCleanupItem(DoCleanup,this);}
    68 
    69 #endif