diff -r 000000000000 -r e686773b3f54 phonebookui/Phonebook/View/inc/CPbkEmbeddedThumbnail.h --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/phonebookui/Phonebook/View/inc/CPbkEmbeddedThumbnail.h Tue Feb 02 10:12:17 2010 +0200 @@ -0,0 +1,167 @@ +/* +* Copyright (c) 2002 Nokia Corporation and/or its subsidiary(-ies). +* All rights reserved. +* This component and the accompanying materials are made available +* under the terms of "Eclipse Public License v1.0" +* which accompanies this distribution, and is available +* at the URL "http://www.eclipse.org/legal/epl-v10.html". +* +* Initial Contributors: +* Nokia Corporation - initial contribution. +* +* Contributors: +* +* Description: +* Phonebook contact item field embedded thumbnail reader. +* Reads an database-embedded picture from a field. +* +*/ + + +#ifndef __CPbkEmbeddedThumbnail_H__ +#define __CPbkEmbeddedThumbnail_H__ + +// INCLUDES +#include "CPbkThumbnailReaderBase.h" +#include "CPbkThumbnailWriterBase.h" + + +// FORWARD DECLARATIONS +class TPbkContactItemField; +class TPbkImageLoadParameters; +class CPbkFFSCheck; + +// CLASS DECLARATION + +/** + * Phonebook contact item field embedded thumbnail reader. + * Reads an database-embedded picture from a field. + */ +NONSHARABLE_CLASS(CPbkEmbeddedThumbnailReader) : + public CPbkThumbnailReaderBase + { + public: // interface + /** + * Creates a new instance of this class. + * + * @param aField field to read the thumbnail from. + * @param aObserver observer to notify about progress of this + * operation. + */ + static CPbkEmbeddedThumbnailReader* NewLC + (const TPbkContactItemField& aField, + MPbkThumbnailGetObserver& aObserver); + + /** + * Destructor. Cancels any previously executing read operation and + * destroys this object. + */ + ~CPbkEmbeddedThumbnailReader(); + + public: // from MPbkThumbnailReader + void StartReadL(const TPbkImageLoadParameters* aParameters = NULL); + + private: // implementation + CPbkEmbeddedThumbnailReader + (const TPbkContactItemField& aField, + MPbkThumbnailGetObserver& aObserver); + void ConstructL(); + + private: // data members + /// Ref: Contact item field + const TPbkContactItemField& iField; + }; + + +/** + * Phonebook contact item field embedded thumbnail reader. + * Reads an database-embedded thumbnail image from a field. + */ +NONSHARABLE_CLASS(CPbkEmbeddedThumbnailImageReader) : + public CPbkThumbnailImageReaderBase + { + public: // Interface + /** + * Creates a new instance of this class. + * + * @param aField field to read the thumbnail image from. + * @param aObserver observer to notify about progress of this + * operation. + * @return new instance of this class. + */ + static CPbkEmbeddedThumbnailImageReader* NewLC + (const TPbkContactItemField& aField, + MPbkThumbnailGetImageObserver& aObserver); + + /** + * Destructor. Cancels any previously executing read operation and + * destroys this object. + */ + ~CPbkEmbeddedThumbnailImageReader(); + + public: // From CPbkThumbnailImageReaderBase + void DoStartReadL(const TPbkImageLoadParameters* aParameters = NULL); + MPbkImageData* CreateImageDataLC(); + + private: // Implementation + CPbkEmbeddedThumbnailImageReader + (const TPbkContactItemField& aField, + MPbkThumbnailGetImageObserver& aObserver); + void ConstructL(); + const TDesC8& ImageBuffer() const; + + private: // data members + /// Ref: Contact item field + const TPbkContactItemField& iField; + }; + + +/** + * Phonebook contact item field embedded thumbnail writer. + * Writes an database-embedded picture to a field. + */ +NONSHARABLE_CLASS(CPbkEmbeddedThumbnailWriter) : + public CPbkThumbnailWriterBase + { + public: // interface + /** + * Creates a new instance of this class. + * + * @param aField field to write the thumbnail to. + * @param aObserver observer to notify about progress of this + * operation. + */ + static CPbkEmbeddedThumbnailWriter* NewLC + (TPbkContactItemField& aField, + MPbkThumbnailSetObserver& aObserver); + + /** + * Destructor. + */ + ~CPbkEmbeddedThumbnailWriter(); + + private: // from CPbkThumbnailWriterBase + CImageEncoder* CreateImageWriterL(); + void StoreImageL(const MPbkImageData& aImageData); + void StoreImageL(CImageEncoder& aImageWriter); + void DoCancel(); + TSize ImageSize() const; + + private: // implementation + CPbkEmbeddedThumbnailWriter + (TPbkContactItemField& aField, + MPbkThumbnailSetObserver& aObserver); + void ConstructL(); + + private: // data members + /// Ref: Contact item field + TPbkContactItemField& iField; + /// Own: image buffer + HBufC8* iBitmapBlob; + /// Own: Critical memory level checker + CPbkFFSCheck* iFFSCheck; + }; + +#endif // __CPbkEmbeddedThumbnail_H__ + +// End of File