--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/windowing/windowserver/nonnga/remotegc/FontsCache.cpp Tue Feb 02 01:47:50 2010 +0200
@@ -0,0 +1,93 @@
+// Copyright (c) 2006-2009 Nokia Corporation and/or its subsidiary(-ies).
+// All rights reserved.
+// This component and the accompanying materials are made available
+// under the terms of "Eclipse Public License v1.0"
+// which accompanies this distribution, and is available
+// at the URL "http://www.eclipse.org/legal/epl-v10.html".
+//
+// Initial Contributors:
+// Nokia Corporation - initial contribution.
+//
+// Contributors:
+//
+// Description:
+//
+
+#include "FontsCache.h"
+
+NONSHARABLE_CLASS(CCachedFont) : public CFbsFont
+ {
+public:
+ CCachedFont();
+ ~CCachedFont();
+
+ TInt Duplicate(TInt aHandle); //lint !e1511
+ };
+
+CCachedFont::CCachedFont()
+ {
+ }
+
+CCachedFont::~CCachedFont()
+ {
+ }
+
+TInt CCachedFont::Duplicate(TInt aHandle)
+ {
+ return CFbsFont::Duplicate(aHandle);
+ }
+
+CFontsCache::CFontsCache() : CCacheBase()
+ {
+ }
+
+CFontsCache::~CFontsCache()
+ {
+ }
+
+/**
+Enables the use of a cached font with a specified handle.
+If no font with this handle is cached, the font is created and cached.
+
+@return KErrNone if no problem occured, otherwise a systemwide error.
+*/
+TInt CFontsCache::UseL(TInt aHandle)
+ {
+ TCacheEntry entry(aHandle);
+ TInt index = iCachedItems.FindInUnsignedKeyOrder(entry);
+ if(index != KErrNotFound)
+ {
+ iCachedItems[index].iIsUsed = ETrue;
+ return KErrNone;
+ }
+
+ entry.iCachedItem = new (ELeave) CCachedFont;
+ TInt err = static_cast<CCachedFont*>(entry.iCachedItem)->Duplicate(aHandle);
+ if(err)
+ {
+ delete entry.iCachedItem;
+ return err;
+ }
+
+ entry.iIsUsed = ETrue;
+ CleanupStack::PushL(entry.iCachedItem);
+ iCachedItems.InsertInUnsignedKeyOrderL(entry);
+ CleanupStack::Pop(entry.iCachedItem);
+ return KErrNone;
+ }
+
+/**
+Returns a font from the cache corresponding to a specific handle.
+
+@param aHandle A handle to match against a font in the cache.
+@return The font that matches the handle provided as a parameter.
+*/
+const CFont* CFontsCache::Resolve(TInt aHandle)
+ {
+ const CBase* item = CCacheBase::Resolve(aHandle);
+ if(item != NULL)
+ return static_cast<const CCachedFont*>(item);
+ else
+ return NULL;
+ }
+