phonebookui/Phonebook2/Presentation/inc/CPbk2EmbeddedImage.h
changeset 0 e686773b3f54
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/phonebookui/Phonebook2/Presentation/inc/CPbk2EmbeddedImage.h	Tue Feb 02 10:12:17 2010 +0200
@@ -0,0 +1,135 @@
+/*
+* Copyright (c) 2005-2007 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: 
+*       Phonebook2 contact item field embedded thumbnail reader.
+*       Reads an database-embedded picture from a field.
+*
+*/
+
+
+#ifndef CPBK2EMBEDDEDIMAGE_H
+#define CPBK2EMBEDDEDIMAGE_H
+
+//  INCLUDES
+#include "CPbk2ImageReaderBase.h"
+#include "CPbk2ImageWriterBase.h"
+
+
+// FORWARD DECLARATIONS
+class MVPbkBaseContactField;
+class MVPbkStoreContactField;
+class TPbk2ImageManagerParams;
+class CVPbkContactManager;
+class MPbk2ImageData;
+
+// CLASS DECLARATION
+
+/**
+ * Phonebook contact item field embedded thumbnail reader.
+ * Reads a database-embedded picture from a field.
+ */
+NONSHARABLE_CLASS(CPbk2EmbeddedImageReader) : 
+        public CPbk2ImageReaderBase
+    {
+    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 CPbk2EmbeddedImageReader* NewLC(
+                const MVPbkBaseContactField& aField,
+                MPbk2ImageGetObserver& aObserver );
+   
+        /**
+         * Destructor. Cancels any previously executing read operation and
+         * destroys this object.
+         */
+        ~CPbk2EmbeddedImageReader();
+
+    public:  // from MPbk2ImageReader
+        void StartReadL(const TPbk2ImageManagerParams* aParameters = NULL);
+        HBufC8* CreateImageDataLC();
+
+    private: // implementation
+        CPbk2EmbeddedImageReader(
+                const MVPbkBaseContactField& aField,
+                MPbk2ImageGetObserver& aObserver );
+        void ConstructL();
+		const TDesC8& ImageBuffer() const;
+		
+    private: // data members
+        /// Ref: Contact item field
+        const MVPbkBaseContactField& iField; 
+        /// Own: Image buffer
+        HBufC8* iImageBuffer;
+    };
+
+
+/**
+ * Phonebook contact item field embedded thumbnail writer.
+ * Writes a database-embedded picture to a field.
+ */
+NONSHARABLE_CLASS(CPbk2EmbeddedImageWriter) : 
+        public CPbk2ImageWriterBase 
+    {
+    public: // interface
+        /**
+         * Creates a new instance of this class.
+         *
+         * @param aContactManager Contact manager
+         * @param aField    field to write the thumbnail to.
+         * @param aObserver observer to notify about progress of this 
+         *                  operation.
+         */
+        static CPbk2EmbeddedImageWriter* NewLC
+            (CVPbkContactManager& aContactManager,
+            MVPbkStoreContactField& aField, 
+            MPbk2ImageSetObserver& aObserver);
+   
+        /**
+         * Destructor.
+         */
+        ~CPbk2EmbeddedImageWriter();
+
+    private: // from CPbkThumbnailWriterBase
+        CImageEncoder* CreateImageWriterL();
+        void StoreImageL(const MPbk2ImageData& aImageData);
+        void StoreImageL(CImageEncoder& aImageWriter);
+        void DoCancel();
+        TSize ImageSize() const;
+
+    private: // implementation
+        CPbk2EmbeddedImageWriter
+            (CVPbkContactManager& aContactManager,
+            MVPbkStoreContactField& aField, 
+            MPbk2ImageSetObserver& aObserver);
+        void ConstructL();
+		TBool IsCodImageL() const;
+		TBool IsSameFieldType(const MVPbkFieldType& aFieldType) const;
+    private: // data members
+        /// Ref: Contact manager
+        CVPbkContactManager& iContactManager;
+        /// Ref: Contact item field
+        MVPbkStoreContactField& iField; 
+        /// Own: image buffer
+        HBufC8* iBitmapBlob;
+        
+    };
+
+#endif // CPBK2EMBEDDEDIMAGE_H
+
+// End of File