fontservices/fontstore/tfs/T_IsolatedFontStore.h
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/*
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* Copyright (c) 1995-2010 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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#ifndef TISOLATEDFONTSTORE_H
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#define TISOLATEDFONTSTORE_H
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#include <e32std.h>
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#include <e32base.h>
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#include <fntstore.h>
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/**
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Class to create an isolated version of the font store; upon construction
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the font store pointer contains a FontStore in its initial state. Functions
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are provided to complete the loading of rasterizers and fonts if required.
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 */
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class CTIsolatedFontStore : public CBase
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	{
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public:
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	~CTIsolatedFontStore();
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	static CTIsolatedFontStore* NewL();
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	static CTIsolatedFontStore* NewLC();
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	static CTIsolatedFontStore* NewL(RHeap*);
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	static CTIsolatedFontStore* NewLC(RHeap*);
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	void LoadRasterizersL();
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private:
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	CTIsolatedFontStore();
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	CTIsolatedFontStore(RHeap* aHeap);
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	void ConstructL();
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	void ListImplementationsWithRetry(TUid& aInterfaceUid, RImplInfoPtrArray &aImplementationArray, TBool aRomOnly);
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	void SafeInstallOfRasterizerL(TUid aInterfaceImplUid);
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public:
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	CFontStore* iFs;
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private:
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	RHeap* iHeap;
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	// Indicate the ownership of iHeap.
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	// ETrue means iHeap is allocated in ConstructL() and owned by CTIsolatedFontStore in current process; 
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    // EFalse means iHeap is a pointer to a heap which is passed in as parameter. Do not take ownership.  
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	TBool  iIsHeapOwner; 
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	};
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#endif // TISOLATEDFONTSTORE_H