browserui/browser/FavouritesInc/BrowserFaviconScaler.h
author Pat Downey <patd@symbian.org>
Wed, 01 Sep 2010 12:31:04 +0100
branchRCL_3
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/*
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* Copyright (c) 2005 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 the License "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 CBROWSERFAVICONSCALER_H
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#define CBROWSERFAVICONSCALER_H
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//  INCLUDES
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#include <e32base.h>
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// CONSTANTS
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// MACROS
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// DATA TYPES
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// FUNCTION PROTOTYPES
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// FORWARD DECLARATIONS
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class CBitmapScaler;
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class CFbsBitmap;
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// CLASS DECLARATION
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class MBrowserFaviconScalerCallback
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    {
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    public:
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        virtual void ScalingCompletedL(CFbsBitmap* aResult, const TRect& aTargetRect) = 0;
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    };
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// CLASS DECLARATION
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/**
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*
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*
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*  @lib pagescaler.dll
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*  @since 3.1
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*/
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class CBrowserFaviconScaler : public CActive
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    {
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    public:  // Constructors and destructor
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        /**
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        * Two-phased constructor.
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        */
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        static CBrowserFaviconScaler* NewL(MBrowserFaviconScalerCallback& aCallback);
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        /**
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        * Destructor.
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        */
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        virtual ~CBrowserFaviconScaler();
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    public: // New functions
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        /**
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        *
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        * @since 3.1
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        * @param
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        * @return
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        */
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        void StartScalingL(CFbsBitmap &aSource, const TRect& aTargetRect, TBool aIsMask);
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    private: // Functions from CActive
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        void RunL();
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        void DoCancel();
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    private:
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        /**
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        * C++ constructor.
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        */
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        CBrowserFaviconScaler(MBrowserFaviconScalerCallback& aCallback);
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        /**
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        * By default Symbian 2nd phase constructor is private.
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        */
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        void ConstructL();
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        void DeleteResultBitmap();
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    private:    // Data
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        MBrowserFaviconScalerCallback* iCallback;
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        CFbsBitmap* iResultBitmap; // owned
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        CBitmapScaler* iScaler; // owned
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        TRect iTargetRect;
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    };
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#endif      // CBROWSERFAVICONSCALER_H
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// End of File