Symaptic: os/graphics/windowing/windowserver/inc/WSGRAPHICDRAWERARRAY.H@260cb5ec6c19

     1 // Copyright (c) 2005-2009 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 // Utility class for indexing instances of CWsGraphicDrawer

    15 //

    16 //

    18 #ifndef __WSGRAPHICDRAWERARRAY_H__

    19 #define __WSGRAPHICDRAWERARRAY_H__

    21 #include <e32base.h>

    22 #include <graphics/wsgraphicdrawer.h>

    24 class CWsGraphicDrawerArray: public CBase

    25 /** An index of CWsGraphicDrawer instances

    26 A CWsGraphicDrawer can be in many such indexes, as an index does not imply ownership

    27 @publishedPartner

    28 @released

    29 */	{

    30 public:

    31 	//Placeholder for transacion record

    32 	struct XRollBackBase;

    34 	//transactional manipulation methods that are deprecated because they leak

    35 	IMPORT_C void AddLC(CWsGraphicDrawer* aDrawer);

    36 	IMPORT_C TInt SwapLC(CWsGraphicDrawer* aDrawer);

    38 	//non-transactional manipulation

    39 	IMPORT_C TInt Remove(const TGraphicDrawerId& aId);

    40 	IMPORT_C TInt Add(CWsGraphicDrawer* aDrawer);

    41 	IMPORT_C TInt Swap(CWsGraphicDrawer* aDrawer);

    43 	//safe transactional methods

    44 	//The array should not be Compressed() during the transaction period to ensure that the Remove RollBack operation will always succeed.

    45 	IMPORT_C XRollBackBase* AddTLC(CWsGraphicDrawer* aDrawer);

    46 	IMPORT_C XRollBackBase* SwapTLC(CWsGraphicDrawer* aDrawer);

    47 	IMPORT_C XRollBackBase* RemoveTLC(const TGraphicDrawerId& aId);

    48 	IMPORT_C void CommitP(XRollBackBase*);

    50 	//Query

    51 	IMPORT_C const CWsGraphicDrawer* ResolveGraphic(const TGraphicDrawerId& aId) const;

    52 	IMPORT_C TBool IsEmpty() const;

    54 	//Other non-transactional methods

    55 	IMPORT_C TInt RemoveAndDestroy(const TGraphicDrawerId& aId);

    56 	IMPORT_C TInt RemoveAll(const MWsClient& aOwner);

    57 	IMPORT_C TInt RemoveAndDestroyAll(const MWsClient& aOwner);

    58 	IMPORT_C void Close();

    59 	IMPORT_C void ResetAndDestroy();

    60 private:

    61 	NONSHARABLE_STRUCT(TGraphic)

    62 		{

    63 		TGraphicDrawerId iId;

    64 		CWsGraphicDrawer* iDrawer;

    65 		};

    66 	RArray<TGraphic> iArray;

    67 	CWsGraphicDrawer* SwapIn(CWsGraphicDrawer* aDrawer);

    68 	TInt IndexOf(const TGraphicDrawerId& aId) const;

    69 	static TInt GraphicDrawerCompare(const TGraphic& aFirst,const TGraphic& aSecond);

    70 private:

    71 	//Transactional unwinding support classes

    72 	class XAddRollBack;

    73 	friend class XAddRollBack;

    74 	class XSwapRollBack;

    75 	friend class XSwapRollBack;

    76 	class XRemoveRollBack;

    77 	friend class XRemoveRollBack;

    78 	class testArrayValidator;

    79 	friend class testArrayValidator;

    80 	};

    82 #endif //#ifndef __WSGRAPHICDRAWERARRAY_H__

author	sl
	Tue, 10 Jun 2014 14:32:02 +0200
changeset 1	260cb5ec6c19
permissions	-rw-r--r--