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/*
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* Copyright (c) 2002 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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* Class CPbkThumbnailManager implementation classes.
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*
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*/
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#ifndef __CPbkThumbnailManagerImpl_H__
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#define __CPbkThumbnailManagerImpl_H__
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// INCLUDES
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#include <e32base.h>
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#include <cntdef.h> // TStorageType
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#include <PbkFields.hrh> // EPbkFieldIdThumbnailImage
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#include "CPbkThumbnailManager.h"
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#include "CPbkImageManager.h"
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// CONSTANTS
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// Size of thumbnail images stored to contacts
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#define KPbkPersonalImageSize TSize(150,150)
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// FORWARD DECLARATIONS
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class MPbkThumbnailGetObserver;
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class MPbkThumbnailSetObserver;
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class CPbkContactItem;
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class CPbkFieldsInfo;
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class TPbkImageLoadParameters;
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// CLASS DECLARATION
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/**
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* Abstract thumbnail reader interface.
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*/
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NONSHARABLE_CLASS(MPbkThumbnailReader) :
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public MPbkThumbnailOperation, public MPbkImageOperation
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{
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public: // Interface
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/**
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* Starts reading a thumbnail from the contact specified at creation
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* time.
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* @param aParameters Optional parameters for the thumbnail.
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*
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* @see TPbkImageLoadParameters
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*/
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virtual void StartReadL
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(const TPbkImageLoadParameters* aParameters = NULL) =0;
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/**
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* Cancels reading operation.
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*/
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virtual void CancelRead() =0;
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};
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/**
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* Abstract thumbnail image writer interface.
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*/
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NONSHARABLE_CLASS(MPbkThumbnailWriter) :
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public MPbkThumbnailOperation, public MPbkImageOperation
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{
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public: // Interface
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/**
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* Starts writing a bitmap to the contact.
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*
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* @param aBitmap bitmap to save to contact.
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*/
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virtual void StartWriteL(const CFbsBitmap& aBitmap) =0;
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/**
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* Starts writing an image buffer to the contact.
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*
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* @param aBuffer image buffer to save to contact.
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*/
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virtual void StartWriteL(const TDesC8& aBuffer) =0;
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/**
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* Starts writing a file image to the contact.
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*
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* @param aFileName file image to save to contact.
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*/
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virtual void StartWriteL(const TDesC& aFileName) = 0;
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/**
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* Cancels writing operation.
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*/
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virtual void CancelWrite() =0;
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};
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/**
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* Factory class for creating concrete MPbkThumbnailReader and
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* MPbkThumbnailWriter instances.
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*/
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NONSHARABLE_CLASS(PbkThumbnailOperationFactory)
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{
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public:
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/**
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* Creates a concrete thumbnail reader object based on the type of
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* the thumbnail field in the contact.
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*
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* @param aContact contact to get thumbnail from.
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* @param aObserver observer to notify about progress of the operation.
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* @param aFieldId Phonebook field type id of fetched image.
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* Default field type id is EPbkFieldIdThumbnailImage.
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* @return thumbnail reader object or NULL if aContact contains no
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* thumbnail.
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*/
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static MPbkThumbnailReader* CreateReaderLC
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(const CPbkContactItem& aContact,
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MPbkThumbnailGetObserver& aObserver,
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TInt aFieldId = EPbkFieldIdThumbnailImage);
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/**
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* Creates a concrete thumbnail image reader object based on the type
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* of the thumbnail field in the contact.
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*
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* @param aContact contact to get thumbnail from.
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* @param aObserver observer to notify about progress of the operation.
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* @param aFieldId Phonebook field type id of fetched image.
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* Default field type id is EPbkFieldIdThumbnailImage.
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* @return thumbnail reader object or NULL if aContact contains no
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* thumbnail.
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*/
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static MPbkThumbnailReader* CreateImageReaderLC
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(const CPbkContactItem& aContact,
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MPbkThumbnailGetImageObserver& aObserver,
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TInt aFieldId = EPbkFieldIdThumbnailImage);
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/**
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* Creates a concrete writer object based on the type of the thumbnail
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* field in the contact or in global field typing.
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*
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* @param aContact contact to write thumbnail to.
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* @param aFieldsInfo global Phonebook field types.
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* @param aObserver observer to notify about progress of the
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* operation.
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* @param aFieldId Phonebook field type id of fetched image.
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* Default field type id is EPbkFieldIdThumbnailImage.
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* @return thumbnail writer object.
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*/
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static MPbkThumbnailWriter* CreateWriterLC
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(CPbkContactItem& aContact,
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const CPbkFieldsInfo& aFieldsInfo,
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MPbkThumbnailSetObserver& aObserver,
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TInt aFieldId = EPbkFieldIdThumbnailImage);
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/**
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* Returns true if aStorageType is supported for thumbnail field.
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*/
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static TBool SupportedStorageType(TStorageType aStorageType);
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private:
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/// Namespace class, constructor not implemented.
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PbkThumbnailOperationFactory();
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};
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#endif // __CPbkThumbnailManagerImpl_H__
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// End of File
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