locationmanager/locationtrail/inc/clocationwrite.h
author Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
Mon, 18 Jan 2010 20:34:07 +0200
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/*
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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:  Writes location info to image's EXIF data.
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*
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*/
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#ifndef C_CLOCATIONWRITE_H
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#define C_CLOCATIONWRITE_H
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#include <e32base.h>
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class CExifModify;
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class CLocationRecord;
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class TPosition;
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/**
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*  This class writes GPS details to image's EXIF data.  
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*
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*  @since S60 3.1
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*/
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class CLocationWrite : public CBase
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    {
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public:  
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    /**
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     * 2-phased constructor.
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     */
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    IMPORT_C static CLocationWrite* NewL( CLocationRecord& aLocRecord );
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    /**
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     * C++ destructor.
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     */
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    IMPORT_C virtual ~CLocationWrite();
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public: 
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    /**
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     * Write location information to the image.
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     * @since S60 3.1
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     * @param aName, The name and path of the image, in which the location
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     *               information will be updated.
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     */
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    IMPORT_C void WriteLocationL( const TDesC& aName );
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private:
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    /**
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     * C++ constructor.
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     */  
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    CLocationWrite( CLocationRecord& aLocRecord );
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    /**
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     * 2nd phase constructor.
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     */
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    void ConstructL();
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private:
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    /**
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     * Write GPS tags to EXIF.
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     */
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    void WriteGPSTagsToExifL( CExifModify& aExif, 
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                              const TPosition& aPosition );
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    /**
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     * Create EXIF tag. 
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     */
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    void CreateTag( const TInt aTagId, 
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                    const TPosition& aPosition, 
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                    TDes8& aTagData );
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    /**
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     * Append integer to descriptor.
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     */
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    void AppendIntegerToDesc( TDes8& aTagDesc, const TUint aValue );
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private:
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    /**
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     * The location trail record class.
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     * Not own.
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     */
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    CLocationRecord& iLocationRecord;
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    };
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#endif // C_CLOCATIONWRITE_H
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// End of file.