landmarksui/engine/inc/CLmkEncoder.h
author Stefan Karlsson <stefan.karlsson@nokia.com>
Sun, 28 Mar 2010 16:36:00 +0100
branchCompilerCompatibility
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parent 0 522cd55cc3d7
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Fixed "extra qualification" syntax errors.
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/*
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* Copyright (c) 2004 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:    LandmarksUi Content File -    This class wraps functionality related to landmark encoding into
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*                a simpler interface.
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*
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*/
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#ifndef CLMKENCODER_H
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#define CLMKENCODER_H
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//  INCLUDES
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#include <EPos_Landmarks.h>
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#include "MLmkAOOperationObserver.h"
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#include "CLmkLandmark.h"
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// FORWARD DECLARATIONS
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class CPosLandmarkEncoder;
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class CPosLandmarkDatabase;
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class CLmkAOOperation;
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class CPosLandmark;
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// CLASS DECLARATION
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/**
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 * This class wraps functionality related to landmark encoding into
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 * a simpler interface.
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 */
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class CLmkEncoder : public CBase, public MLmkAOOperationObserver
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    {
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	public:  // Constructors and destructor
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		/**
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		* Create CLmkEncoder object
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        * @param aDb landmark database
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        * @param aObserver calling class setting itself as observer to this class
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        * @param aProgressNote Note to show the progress of encoding operation
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		* @return newly instantiated object
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		*/
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		IMPORT_C static CLmkEncoder* NewL( CPosLandmarkDatabase& aDb,
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                                           MLmkAOOperationObserver& aObserver,
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                                           TBool aProgressNote );
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		/**
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		* Destructor.
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		*/
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		~CLmkEncoder();
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    protected: //from MLmkAOOperationObserver
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        void HandleOperationL( TOperationTypes aType,
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                               TReal32 aProgress,
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                               TInt aStatus );
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    public: // New functions
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        /**
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        * Set package name
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        * @param aName
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        */
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        //IMPORT_C void SetPackageNameL( const TDesC& aName );
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        /**
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        * Start encoding package. Possibly existing file is deleted first.
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        * @param aFile where parsed data is stored
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        * @param aLandmarkIdArray
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        */
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        IMPORT_C void StartEncodingL( const TDesC& aFile,
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                        const RArray<TPosLmItemId>& aLandmarkIdArray );
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        /**
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        * Start encoding package. Possibly existing file is deleted first.
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        * This API can also be used for encoding unsaved landmarks
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        * @param aFile where parsed data is stored
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        * @param aLandmarks
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        */
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        IMPORT_C void StartEncodingL(const TDesC& aFileName,
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                    	const RPointerArray<CLmkLandmark>& aLandmarks );
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        /**
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        * Cancel encode operation
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        */
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        IMPORT_C void CancelEncodeOperationL();
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    private:  // New functions
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    	/**
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        * This function is used for setting the name for landmarks package
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        * @param aName Name to be set for landmarks package
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        */
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    	void SetPackageNameL( const TDesC& aName );
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        /**
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        * Finalize the encode process. It uses the Landmarks Framework method
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        * to signal the finalizing the encode process.
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        */
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        void FinalizeEncodingL();
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        /**
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        * Checks if any Active Object is already running. This is used whenever
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        * a new Active Object operation is started.
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        */
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        void LeaveIfInUseL();
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        /**
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        * Instantiates iEncoder & prepares file to which encoded data is written.
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        */
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        void PrepareEncoderL(const TDesC& aFileName);
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    private:  // Constructors and destructor
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        /**
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        * C++ default constructor.
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        * @param aDb landmark database
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        * @param aObserver calling class sets itself as the observer to this class
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        * @param aProgressNote Note to show the progress of landmark encoding process
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        * @return newly instantiated object
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        */
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        CLmkEncoder( CPosLandmarkDatabase& aDb,
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                    MLmkAOOperationObserver& aObserver,
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                    TBool aProgressNote );
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        /**
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		* By default Symbian 2nd phase constructor is private.
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        * @param aFile
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		*/
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        void ConstructL();
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    private:    // Data
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        ///Ref:
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        CPosLandmarkDatabase& iDb;
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        ///Ref:
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        MLmkAOOperationObserver& iObserver;
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        TBool iProgressNote;
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        TBool iExporting; // detailed encoder status
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        ///Own: EPos encoder
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        CPosLandmarkEncoder* iEncoder;
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        ///Own:
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        CLmkAOOperation* iAOOperation;
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    };
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#endif      // CLMKENCODER_H
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// End of File