1 // Copyright (c) 2006-2009 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".
8 // Initial Contributors:
9 // Nokia Corporation - initial contribution.
16 #include "FontsCache.h"
18 NONSHARABLE_CLASS(CCachedFont) : public CFbsFont
24 TInt Duplicate(TInt aHandle); //lint !e1511
27 CCachedFont::CCachedFont()
31 CCachedFont::~CCachedFont()
35 TInt CCachedFont::Duplicate(TInt aHandle)
37 return CFbsFont::Duplicate(aHandle);
40 CFontsCache::CFontsCache() : CCacheBase()
44 CFontsCache::~CFontsCache()
49 Enables the use of a cached font with a specified handle.
50 If no font with this handle is cached, the font is created and cached.
52 @return KErrNone if no problem occured, otherwise a systemwide error.
54 TInt CFontsCache::UseL(TInt aHandle)
56 TCacheEntry entry(aHandle);
57 TInt index = iCachedItems.FindInUnsignedKeyOrder(entry);
58 if(index != KErrNotFound)
60 iCachedItems[index].iIsUsed = ETrue;
64 entry.iCachedItem = new (ELeave) CCachedFont;
65 TInt err = static_cast<CCachedFont*>(entry.iCachedItem)->Duplicate(aHandle);
68 delete entry.iCachedItem;
69 // coverity[extend_simple_error]
73 entry.iIsUsed = ETrue;
74 CleanupStack::PushL(entry.iCachedItem);
75 iCachedItems.InsertInUnsignedKeyOrderL(entry);
76 CleanupStack::Pop(entry.iCachedItem);
81 Returns a font from the cache corresponding to a specific handle.
83 @param aHandle A handle to match against a font in the cache.
84 @return The font that matches the handle provided as a parameter.
86 const CFont* CFontsCache::Resolve(TInt aHandle)
88 const CBase* item = CCacheBase::Resolve(aHandle);
90 return static_cast<const CCachedFont*>(item);