--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/phonebookui/Phonebook2/Presentation/src/CPbk2ImageManagerImpl.cpp	Tue Feb 02 10:12:17 2010 +0200
@@ -0,0 +1,203 @@
+/*
+* 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: 
+*       Provides methods for CPbkImageManager implementation classes.
+*
+*/
+
+
+// INCLUDE FILES
+#include "CPbk2ImageManagerImpl.h"
+
+// From Phonebook2
+#include "CPbk2EmbeddedImage.h"
+
+// From Virtual Phonebook
+#include <MVPbkBaseContact.h>
+#include <MVPbkStoreContact.h>
+#include <MVPbkBaseContactField.h>
+#include <MVPbkContactFieldData.h>
+#include <MVPbkFieldType.h>
+#include <CVPbkContactManager.h>
+
+// Unnamed namespace for local definitions
+namespace
+	{
+	/**
+	 * Finds field index from contact.
+	 *
+	 * @param aContactManager   Reference to contact manager.
+	 * @param aContact          Reference to contact,
+	 * @param aFieldType        Reference to field type.
+	 * @return Pointer to found field. NULL if field cannot be found.
+	 */
+	template <class VPbkContactField, class VPbkContact>
+    	VPbkContactField* FindFieldFromContactL(
+    	CVPbkContactManager& aContactManager,
+    	VPbkContact& aContact, 
+    	const MVPbkFieldType& aFieldType)
+    		{
+    		const MVPbkFieldTypeList& supportedFieldTypes = 
+				aContactManager.FieldTypes();			
+			VPbkContactField* field = NULL;
+			
+		    for ( TInt n = 0; n < aContact.Fields().FieldCount(); ++n )
+		        {
+		        field = &aContact.Fields().FieldAt( n );
+
+		        const TInt maxMatchPriority = 
+		            supportedFieldTypes.MaxMatchPriority();
+		        for (TInt matchPriority = 0; 
+		             matchPriority <= maxMatchPriority; 
+		             ++matchPriority)
+		            {
+		            const MVPbkFieldType* sourceFieldType = 
+		                field->MatchFieldType( matchPriority );
+		            if ( sourceFieldType && 
+		                 aFieldType.IsSame( *sourceFieldType ) )
+		                {	                
+		                return field;
+		                }
+		            }
+		        }
+		    		 
+			return NULL;
+    		}
+    		
+	/**
+	 * Finds field index from contact.
+	 *
+	 * @param aContactManager   Reference to contact manager.
+	 * @param aContact          Reference to contact,
+	 * @param aFieldType        Reference to field type.
+	 * @return Found field index. KErrNotFound if field cannot be found.
+	 */
+   	TInt FindFieldIndex(
+		CVPbkContactManager& aContactManager,
+		const MVPbkBaseContact& aContact,
+		const MVPbkFieldType& aFieldType)
+		{
+		const MVPbkBaseContactFieldCollection& fields = aContact.Fields();	
+		const TInt fieldCount = fields.FieldCount();
+	    
+	    const TInt maxMatchPriority = 
+	    	aContactManager.FieldTypes().MaxMatchPriority();
+	    for (TInt matchPriority = 0; 
+	    	matchPriority <= maxMatchPriority; 
+	    	++matchPriority)
+	        {            
+	        for (TInt i = 0; i < fieldCount; ++i)
+	            {
+	            const MVPbkFieldType* fieldType = 
+	                    fields.FieldAt(i).MatchFieldType(matchPriority);
+	            if (fieldType && fieldType->IsSame(aFieldType))
+	                {
+	                return i;
+	                }
+	            }
+	        }    
+	    return KErrNotFound;
+		}		
+	} // unnamed namespace
+// ================= MEMBER FUNCTIONS =======================
+
+// --------------------------------------------------------------------------
+// Pbk2ImageOperationFactory::CreateReaderLC
+// --------------------------------------------------------------------------
+//
+MPbk2ImageReader* Pbk2ImageOperationFactory::CreateReaderLC
+        (CVPbkContactManager& aContactManager,
+        const MVPbkBaseContact& aContact,
+        MPbk2ImageGetObserver& aObserver,
+        const MVPbkFieldType& aFieldType)        
+    {
+    const MVPbkBaseContactField* field = 
+    	FindFieldFromContactL<const MVPbkBaseContactField, const MVPbkBaseContact>(
+    		aContactManager, aContact, aFieldType);
+    
+    MPbk2ImageReader* reader = NULL;
+    if (field && SupportedStorageType(field))
+        {
+        reader = CPbk2EmbeddedImageReader::NewLC(*field,aObserver);
+        }
+    return reader;
+    }
+
+// --------------------------------------------------------------------------
+// Pbk2ImageOperationFactory::CreateWriterLC
+// --------------------------------------------------------------------------
+//
+MPbk2ImageWriter* Pbk2ImageOperationFactory::CreateWriterLC
+        (CVPbkContactManager& aContactManager,
+        MVPbkStoreContact& aContact, 
+        MPbk2ImageSetObserver& aObserver,
+        const MVPbkFieldType& aFieldType)
+    {
+    MPbk2ImageWriter* writer = NULL;
+
+	// Find existing field from contact
+    MVPbkStoreContactField* field = NULL;
+    
+    field =	FindFieldFromContactL<MVPbkStoreContactField, MVPbkStoreContact>(
+    		aContactManager, aContact, aFieldType);
+    	
+    if (field && !SupportedStorageType(field))
+        {
+        // Existing field's storage type is not supported -> remove field
+        TInt index(FindFieldIndex(
+        	aContactManager, 
+        	static_cast<const MVPbkBaseContact&>(aContact), 
+        	aFieldType));
+        User::LeaveIfError(index);
+        aContact.RemoveField(index);
+        field = NULL;
+        }
+
+    if (!field)
+        {
+        // No thumbnail field -> create one
+        field = aContact.CreateFieldLC(aFieldType);
+        TInt fieldIndex = aContact.AddFieldL(field); // takes ownership
+        CleanupStack::Pop(); // field
+		field = &aContact.Fields().FieldAt(fieldIndex);			
+        }
+	
+	if (SupportedStorageType(field))
+		{
+		writer = 
+		    CPbk2EmbeddedImageWriter::NewLC(
+		        aContactManager, 
+		        *field, 
+		        aObserver);
+		}
+	else
+		{
+		User::Leave(KErrNotSupported);
+		}
+		
+    return writer;
+    }
+
+// --------------------------------------------------------------------------
+// Pbk2ImageOperationFactory::SupportedStorageType
+// --------------------------------------------------------------------------
+//
+TBool Pbk2ImageOperationFactory::SupportedStorageType
+        (const MVPbkBaseContactField* aField)
+    {
+    TVPbkFieldStorageType storageType = aField->FieldData().DataType();
+    return EVPbkFieldStorageTypeBinary==storageType ? ETrue: EFalse;
+    }
+
+//  End of File