| author | sl |
| Tue, 10 Jun 2014 14:32:02 +0200 | |
| changeset 1 | 260cb5ec6c19 |
| permissions | -rw-r--r-- |
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// Copyright (c) 2006-2009 Nokia Corporation and/or its subsidiary(-ies). |
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// All rights reserved. |
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// This component and the accompanying materials are made available |
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// under the terms of "Eclipse Public License v1.0" |
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// which accompanies this distribution, and is available |
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// at the URL "http://www.eclipse.org/legal/epl-v10.html". |
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// |
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// Initial Contributors: |
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// Nokia Corporation - initial contribution. |
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// |
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// Contributors: |
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// |
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// Description: |
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// |
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|
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#include "FontsCache.h" |
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|
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NONSHARABLE_CLASS(CCachedFont) : public CFbsFont |
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{
|
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public: |
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CCachedFont(); |
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~CCachedFont(); |
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|
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TInt Duplicate(TInt aHandle); //lint !e1511 |
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}; |
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|
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CCachedFont::CCachedFont() |
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{
|
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} |
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|
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CCachedFont::~CCachedFont() |
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{
|
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} |
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|
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TInt CCachedFont::Duplicate(TInt aHandle) |
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{
|
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return CFbsFont::Duplicate(aHandle); |
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} |
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|
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CFontsCache::CFontsCache() : CCacheBase() |
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{
|
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} |
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|
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CFontsCache::~CFontsCache() |
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{
|
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} |
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|
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/** |
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Enables the use of a cached font with a specified handle. |
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If no font with this handle is cached, the font is created and cached. |
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|
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@return KErrNone if no problem occured, otherwise a systemwide error. |
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*/ |
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TInt CFontsCache::UseL(TInt aHandle) |
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{
|
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TCacheEntry entry(aHandle); |
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TInt index = iCachedItems.FindInUnsignedKeyOrder(entry); |
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if(index != KErrNotFound) |
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{
|
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iCachedItems[index].iIsUsed = ETrue; |
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return KErrNone; |
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} |
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|
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entry.iCachedItem = new (ELeave) CCachedFont; |
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TInt err = static_cast<CCachedFont*>(entry.iCachedItem)->Duplicate(aHandle); |
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if(err) |
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{
|
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delete entry.iCachedItem; |
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// coverity[extend_simple_error] |
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return err; |
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} |
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|
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entry.iIsUsed = ETrue; |
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CleanupStack::PushL(entry.iCachedItem); |
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iCachedItems.InsertInUnsignedKeyOrderL(entry); |
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CleanupStack::Pop(entry.iCachedItem); |
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return KErrNone; |
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} |
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|
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/** |
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Returns a font from the cache corresponding to a specific handle. |
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|
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@param aHandle A handle to match against a font in the cache. |
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@return The font that matches the handle provided as a parameter. |
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*/ |
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const CFont* CFontsCache::Resolve(TInt aHandle) |
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{
|
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const CBase* item = CCacheBase::Resolve(aHandle); |
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if(item != NULL) |
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return static_cast<const CCachedFont*>(item); |
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else |
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return NULL; |
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} |
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