| author | sl |
| Tue, 10 Jun 2014 14:32:02 +0200 | |
| changeset 1 | 260cb5ec6c19 |
| permissions | -rw-r--r-- |
| sl@0 | 1 |
// Copyright (c) 2006-2009 Nokia Corporation and/or its subsidiary(-ies). |
| sl@0 | 2 |
// All rights reserved. |
| sl@0 | 3 |
// This component and the accompanying materials are made available |
| sl@0 | 4 |
// under the terms of "Eclipse Public License v1.0" |
| sl@0 | 5 |
// which accompanies this distribution, and is available |
| sl@0 | 6 |
// at the URL "http://www.eclipse.org/legal/epl-v10.html". |
| sl@0 | 7 |
// |
| sl@0 | 8 |
// Initial Contributors: |
| sl@0 | 9 |
// Nokia Corporation - initial contribution. |
| sl@0 | 10 |
// |
| sl@0 | 11 |
// Contributors: |
| sl@0 | 12 |
// |
| sl@0 | 13 |
// Description: |
| sl@0 | 14 |
// |
| sl@0 | 15 |
|
| sl@0 | 16 |
#ifndef __CACHEBASE_H__ |
| sl@0 | 17 |
#define __CACHEBASE_H__ |
| sl@0 | 18 |
|
| sl@0 | 19 |
#include <e32base.h> |
| sl@0 | 20 |
#include <e32cmn.h> |
| sl@0 | 21 |
|
| sl@0 | 22 |
/** |
| sl@0 | 23 |
A cache base-class providing basic functionality for resolving a cached item. |
| sl@0 | 24 |
*/ |
| sl@0 | 25 |
NONSHARABLE_CLASS(CCacheBase): public CBase |
| sl@0 | 26 |
{
|
| sl@0 | 27 |
public: |
| sl@0 | 28 |
void BeginUpdate(); |
| sl@0 | 29 |
void EndUpdate(); |
| sl@0 | 30 |
|
| sl@0 | 31 |
protected: |
| sl@0 | 32 |
CCacheBase(); |
| sl@0 | 33 |
~CCacheBase(); |
| sl@0 | 34 |
|
| sl@0 | 35 |
virtual TInt UseL(TInt aHandle) = 0; |
| sl@0 | 36 |
virtual const CBase* Resolve(TInt aHandle); |
| sl@0 | 37 |
|
| sl@0 | 38 |
protected: |
| sl@0 | 39 |
struct TCacheEntry |
| sl@0 | 40 |
{
|
| sl@0 | 41 |
TCacheEntry(TInt aHandle) |
| sl@0 | 42 |
{
|
| sl@0 | 43 |
iHandle = aHandle; |
| sl@0 | 44 |
} |
| sl@0 | 45 |
|
| sl@0 | 46 |
TInt iHandle; |
| sl@0 | 47 |
TBool iIsUsed; |
| sl@0 | 48 |
CBase* iCachedItem; |
| sl@0 | 49 |
}; |
| sl@0 | 50 |
|
| sl@0 | 51 |
protected: |
| sl@0 | 52 |
RArray<TCacheEntry> iCachedItems; |
| sl@0 | 53 |
}; |
| sl@0 | 54 |
|
| sl@0 | 55 |
#endif //__CACHEBASE_H__ |
| sl@0 | 56 |
|
| sl@0 | 57 |
|
| sl@0 | 58 |
|
| sl@0 | 59 |